WO2001039554A1 - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- WO2001039554A1 WO2001039554A1 PCT/JP2000/008233 JP0008233W WO0139554A1 WO 2001039554 A1 WO2001039554 A1 WO 2001039554A1 JP 0008233 W JP0008233 W JP 0008233W WO 0139554 A1 WO0139554 A1 WO 0139554A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- emitting layer
- electrode
- light emitting
- display element
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 101
- 238000001228 spectrum Methods 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 43
- 230000010363 phase shift Effects 0.000 claims abstract description 40
- 239000012780 transparent material Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims description 37
- 238000000295 emission spectrum Methods 0.000 claims description 8
- 239000010410 layer Substances 0.000 abstract description 116
- 239000012044 organic layer Substances 0.000 abstract description 47
- 239000010408 film Substances 0.000 description 26
- 238000010586 diagram Methods 0.000 description 20
- 238000004088 simulation Methods 0.000 description 15
- 239000000872 buffer Substances 0.000 description 13
- 230000005525 hole transport Effects 0.000 description 10
- 238000002834 transmittance Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000002161 passivation Methods 0.000 description 6
- 239000011651 chromium Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000012788 optical film Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- -1 (1-naphthyl) - Chemical class 0.000 description 1
- DIVZFUBWFAOMCW-UHFFFAOYSA-N 4-n-(3-methylphenyl)-1-n,1-n-bis[4-(n-(3-methylphenyl)anilino)phenyl]-4-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 DIVZFUBWFAOMCW-UHFFFAOYSA-N 0.000 description 1
- 241000282461 Canis lupus Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910019015 Mg-Ag Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000000391 spectroscopic ellipsometry Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/852—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/876—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
Definitions
- the present invention relates to a display element, and more particularly to a self-luminous display element such as an organic electroluminescent element.
- An element (hereinafter, referred to as an “organic EL element”) utilizing electroluminescence of an organic material (hereinafter referred to as “organic EL element”) has an organic positive electrode between a first electrode and a second electrode.
- An organic layer formed by laminating a hole transport layer and an organic light emitting layer is provided, and is attracting attention as a self-luminous display element capable of emitting high brightness light by low voltage DC drive.
- FIG. 1 shows a cross-sectional view of a main part of a transmission type organic EL device among such organic EL devices.
- the organic EL device shown in FIG. 1 has a transparent substrate 1, a transparent electrode 2, an organic buffer layer 3, an organic hole transport layer 4, an organic light emitting layer 5, and a metal electrode 6, which are stacked in this order from the bottom.
- the light h generated in the organic light emitting layer 5 is extracted from the substrate 1 side.
- the spectrum of light h of each color generated and extracted in the organic light emitting layer 5 having each emission color has a peak width as shown in FIG. Broadly, especially for red light h, the peak wavelength is lower than the lower wavelength. For this reason, when a display device capable of performing color display is configured using this organic EL element, it was not possible to obtain a color reproduction range sufficient to display a television image, for example.
- a resonator structure including a dielectric mirror layer, an organic buffer layer 3, an organic hole transport layer 4, an organic light emitting layer 5, and a metal electrode 6.
- the organic EL device having this resonator structure the light h generated in the organic light-emitting layer 5 reciprocates between the dielectric mirror layer and the metal electrode 6, and only the light having the resonance wavelength is amplified and from the substrate 1 side. Taken out. Thus, light h having a high peak intensity and a narrow spectrum can be extracted, and the color reproduction range of a display device including the organic EL element can be expanded.
- Japanese Patent Application Laid-Open No. 9-127885 discloses a configuration in which a quarter-wave plate and a linear polarizer are arranged on the display surface side as shown in FIG.
- An organic EL display device is disclosed. That is, this organic EL display device is provided on the substrate 1 side of the organic EL element having the same configuration as that described with reference to FIG.
- the arrangement of the quarter-wave plate 8 and the linear polarizer 9 prevents reflection of external light.
- the metal electrode serving as the reflecting surface is replaced with a transparent electrode, and a light absorbing layer is provided on the transparent electrode side opposite to the organic layer, and external light is prevented by absorbing external light with this light absorbing layer.
- a light absorbing layer is provided on the transparent electrode side opposite to the organic layer, and external light is prevented by absorbing external light with this light absorbing layer.
- Another object of the present invention is to provide a self-luminous display element capable of reducing external light reflection and improving contrast without lowering luminance.
- Still another object of the present invention is to be able to maintain a sufficient color reproduction range at a wide viewing angle, and to reduce external light reflection without lowering luminance, thereby improving contrast.
- An object of the present invention is to provide a self-luminous display element. Disclosure of the invention
- a light emitting layer is sandwiched between a first electrode made of a light reflecting material and a second electrode made of a transparent material
- the resonator is configured as follows.
- the phase shift generated when light generated in the light emitting layer is reflected at both ends of the resonance section is ⁇ radian
- the optical distance of the resonance section is determined
- the optical distance L of the resonator is set to a positive minimum value within the range satisfying the following formula (1).
- the optical distance L of the resonance part satisfies the expression (1). Therefore, light near the wavelength ⁇ causes multiple interference in this resonance part.
- the optical distance of the resonance part is configured to be a positive minimum value within a range that satisfies the expression (1), the spectrum of the extracted light is the multiple interference of the light of the wavelength; The width is kept as wide as possible. For this reason, in this display element, the peak intensity is increased by the multiple interference while the extracted light has a certain width. Therefore, in this display element, even when the viewing angle is shifted, the shift amount of the wavelength I is suppressed to be small, and the color purity is improved in a wide viewing angle range.
- the second display element sets the phase shift generated when the light generated in the light emitting layer is reflected at both ends of the resonance unit to ⁇ radian, the optical distance of the resonance unit to ⁇ radian, and the width of the green light. If the peak wavelength of the vector is represented by; then, the following equation (3) is obtained by adding 4 to the integer m 1 where L is a positive minimum value among the integers m that satisfy the following equation (). The optical distance L 'has been set.
- the second display element with such a configuration corresponds to red (R), green (G) and blue (B) Light having different wavelengths causes multiple interference in the resonance section. Therefore, the peak intensity of the spectrum of each emission color can be increased without setting the optical distance L 'of the resonance section for each color. Therefore, in each display element corresponding to each emission color, the optical distance L ′ of the resonance part can be shared.
- the third display element has a phase shift of ⁇ radian when light generated in the light emitting layer is reflected at both ends of the resonance section, an optical distance of the resonance section of L ′, and a peak of green light.
- the wavelength is S
- the following equation (5) is obtained by adding an integer q of 10 or more to the integer m 1 where L is a positive minimum value among the integers m satisfying the following equation (4).
- the optical distance L ′ is set as follows.
- the fourth display element of the present invention may further include a color above the second electrode, the color transmitting the light extracted from the second electrode by resonating in the resonance unit.
- the filter is provided.
- the display element when the wavelength of light that resonates in the resonance section and is extracted from the second electrode is set as the target wavelength, the display element has the target wavelength of external light emitted from the second electrode side. Only external light passes through the color filter and reaches the resonance section.
- the resonator is a resonator filter for the target wavelength, the transmittance for the target wavelength range is very high, that is, the reflectance for light in the target wavelength range is very low. . For this reason, in this resonating portion, reflection of external light in the same wavelength range as the target wavelength transmitted through the color filter is suppressed.
- outside light outside the target wavelength range is prevented from entering the inside of the device by the color filter, and reflection at the color filter is suppressed.
- reflection of outside light including light in the target wavelength range is prevented without preventing emission of light in the target wavelength range from the second electrode side.
- the fifth to seventh display elements are characterized by a configuration in which the fourth display element and the first to third display elements are respectively combined.
- a light-emitting layer is sandwiched between a first electrode and a second electrode, and the light-emitting layer of the first electrode and the second electrode from which light is extracted.
- the display element is configured such that at least one of the light-emitting layer and the light-emitting layer is a resonator having a resonator structure, wherein the resonator is configured similarly to the first to seventh display elements. .
- Still another aspect of the present invention for achieving the above-mentioned object is that a first electrode made of a light-reflective material, a light-emitting layer, and a second electrode made of a transparent material are sequentially laminated on a substrate,
- a display element in which at least one of the layers is configured as a resonator having a resonator structure is characterized in that the resonator is configured similarly to the first to seventh display elements.
- Still another aspect of the present invention for achieving the above-mentioned object is that a first electrode made of a light-reflective material, a light-emitting layer, and a second electrode made of a transparent material are sequentially laminated on a substrate,
- the resonator is configured similarly to the first to seventh display elements.
- the light-emitting layer is configured to be a resonator of a resonator structure
- the second electrode is configured to be a resonator of a resonator structure.
- Still another invention for achieving the above object is a light-emitting layer sandwiched between a first electrode made of a light-reflective material and a second electrode made of a transparent material.
- a display element in which at least one of the layers is configured as a resonance part of a resonator structure if the optical distance of the resonance part is L, the light spot extracted when the viewing angle changes is L.
- the optical distance L is set so that the difference from the peak wavelength is within half of the half width (FWHM) of the internal emission spectrum.
- FIG. 1 is a cross-sectional view of a main part showing a configuration of a conventional organic EL element
- FIG. 2 is a schematic diagram showing a spectrum of each color taken out of the conventional organic EL element
- FIG. FIG. 4 is a schematic diagram illustrating a configuration example of a conventional display element for preventing reflection of external light
- FIG. 4 is a cross-sectional view of a main part illustrating an organic EL element according to the first embodiment of the present invention
- FIG. FIG. 6 is a schematic diagram illustrating a simulation example of a spectrum of each light extracted from the organic EL element according to the first embodiment of the present invention.
- FIG. 6 is a schematic diagram illustrating an organic EL element according to the first embodiment of the present invention.
- FIG. 1 is a cross-sectional view of a main part showing a configuration of a conventional organic EL element
- FIG. 2 is a schematic diagram showing a spectrum of each color taken out of the conventional organic EL element
- FIG. FIG. 4 is a
- FIG. 7 is a schematic diagram illustrating a simulation example of a spectrum showing a filter characteristic of an organic layer alone in an organic EL device according to the first embodiment of the present invention.
- FIG. 8 is a schematic diagram showing a simulation example of the spectrum of each light extracted from the conventional organic EL device
- FIG. 9 is a schematic diagram showing a conventional organic EL device.
- FIG. 10 is a schematic diagram illustrating a simulation example of a spectrum showing a filter characteristic of the organic layer alone in the device.
- FIG. 10 is a view of an organic EL device (G emission) according to the first embodiment of the present invention.
- FIG. 11 is a schematic diagram showing the angle dependence
- FIG. 11 is a schematic diagram showing the viewing angle dependence of a conventional organic EL device (G light emission)
- FIG. 12 is an organic diagram according to the first embodiment of the present invention.
- FIG. 13 is a schematic diagram illustrating chromaticity coordinates of an EL element and a comparative example thereof, and FIG. 13 is a second embodiment of the present invention.
- FIG. 14 is a cross-sectional view of an essential part showing an organic EL device according to an embodiment, and FIG. 14 is a simulation example of a spectrum showing a filter characteristic of an organic layer alone in an organic EL device according to a second embodiment of the present invention.
- FIG. 15 is a cross-sectional view of an essential part showing an organic EL device according to a third embodiment of the present invention.
- FIG. 16 is an organic EL device according to a third embodiment of the present invention.
- FIG. 17 is a schematic diagram illustrating a simulation example of a spectrum showing the filter characteristics of a single layer
- FIG. 17 is a schematic diagram of light extracted from an organic EL device (G emission) according to the third embodiment of the present invention
- FIG. 18 is a schematic diagram showing a simulation example of a spectrum
- FIG. 18 is a cross-sectional view of a main part showing another organic EL element to which the present invention is applied
- FIG. 20 is a cross-sectional view of an essential part showing an organic EL device according to an embodiment.
- FIG. 21 is a schematic diagram showing an example of a simulation of a spectrum showing external light reflection characteristics without a color filter in an organic EL device according to the present invention
- FIG. 21 is a schematic diagram showing an example of a simulation of a spectrum showing external light reflection characteristics without a color filter in an organic EL device according to the present invention
- FIG. 21 shows a diagram according to a fourth embodiment of the present invention.
- FIG. 22 is a schematic diagram showing a spectrum showing transmission characteristics of each color filter provided in the organic EL element.
- FIG. 22 is a diagram showing an organic light emitting device according to a fourth embodiment of the present invention.
- FIG. 23 is a schematic diagram illustrating a simulation example of a spectrum showing external light reflection characteristics in an EL element.
- FIG. 23 is a main part illustrating another configuration example of the organic EL element according to the fourth embodiment of the present invention. It is sectional drawing. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 4 shows an organic EL device according to the first embodiment of the present invention.
- the organic EL element shown in FIG. 4 is a so-called top-emission type organic EL element, in which a first electrode 12, an organic layer 13, a semi-transparent reflective layer 14 and a The second electrodes 15 are sequentially laminated.
- the substrate 11 is formed of, for example, a transparent glass substrate or a semiconductor substrate, and may be flexible.
- the first electrode 12 is used as an anode electrode also serving as a reflective layer, and is made of a light reflecting material such as platinum (Pt), gold (Au), chromium (Cr), or tungsten (W). It is configured. Further, it is preferable that the film thickness of the first electrode 12 is set in the range of 100 nm to 300 nm.
- the organic layer 13 is formed, for example, by sequentially stacking a buffer layer 13a, a hole transport layer 13b, and an organic light emitting layer 13c also serving as an electron transport layer from the lower layer.
- the electron transporting layer may be provided as a layer different from the organic light emitting layer 13c.
- the buffer layer 13a is a layer for preventing leakage, such as m—MTDATA [4,4,4-tris (3-methylphenylphenylamino) triphenylamine], 2—TNA , 4, 4-tris (2-naphtylphenylamino) triphenyl amine].
- the buffer layer 13a has a leak May be omitted if it does not cause any problem.
- the hole transport layer 13 b is, for example, a— NPD CN, ⁇ ′-di (1-naphthyl) - ⁇ , ⁇ ′-diphenyl- [1, l′-biphenyl] -4,4′-diamine] It consists of.
- the organic light-emitting layer 13 c is composed of each light-emitting material having a red (R), green (G), and blue (B) light-emitting color. Use q3 (trisquinolinol aluminum complex).
- These layers constituting the organic layer 13 include a buffer layer 13a of 15 nm to 300 nm, a hole transport layer 13b of 15 nm to 100 nm, and an organic light emitting layer 13 c is 1 5 ⁇ ! It is preferable to set the wavelength in the range of 100 nm. However, the film thicknesses of the organic layer 13 and each layer constituting the organic layer 13 are set so that the optical film thickness becomes a value described later.
- the translucent reflective layer 14 forms a cathode electrode, and is made of, for example, magnesium (Mg), silver (Ag), an alloy thereof, or the like. It is preferable that the thickness of the translucent reflective layer 14 be set in the range of 5 nm to 5 O nm.
- the second electrode 15 is made of a material generally used as a transparent electrode, such as indium tin oxide (ITO) or an oxide of indium and zinc.
- the thickness of the second electrode 15 is in the range of 30 nm to 100 nm.
- a passivation film (not shown) made of a transparent dielectric is provided on the first electrode 15.
- This transparent dielectric preferably has the same refractive index as the material constituting the second electrode 15.
- a silicon oxide (S i 0 2), silicon nitride (S i N) and the like can Rukoto using, for example, 5 0 0 nm ⁇ 1 0 0 0 0 nm film formed in a thickness Is performed.
- a first electrode 11 made of a light reflecting material and an organic layer A resonator structure is composed of 13 and the translucent reflection layer 14, and the organic layer 13 is a resonator.
- the optical distance between the first electrode 12 and the translucent reflective layer 14, that is, the optical film thickness of the resonance part composed of the organic layer 13 is set so as to satisfy the following equation (6).
- the optical distance L min that has a positive minimum value is employed.
- the phase shift generated when the light h generated in the organic light emitting layer 13 c is reflected by the first electrode 12 and the translucent reflective layer 14 is radian, and the light is emitted by the organic light emitting layer 13 c.
- I be the peak wavelength of the spectrum of the light h to be extracted out of the light h.
- each layer constituting the organic layer 13 is set to satisfy this.
- the optical distance L of the resonance section is determined by the respective layers constituting the organic layer 13 (the buffer layer 13a, the hole transport layer 13b, and the organic light emitting layer 13c in the first embodiment). ), And the film thickness d and d 2,..., Dk are obtained as in the following equation (7).
- the buffer layer 13a is 2—TN ATA
- the hole transport layer 13b is ⁇ —NPD
- ⁇ is derived as follows. That is, first, a reflective layer (Cr, etc.) or a translucent reflective layer (Mg, Ag, Mg-Ag alloy, etc.) to a film thickness of 200 nm or more, and use a spectroscopic measurement system (for example, SOP RA's) to reflect these reflective layers. Alternatively, the refractive index n and the absorption coefficient k of the translucent reflection layer are determined.
- the phase shift on the reflective layer side can be calculated using the n and k and the refractive index n of the organic layer in contact with the reflective layer (for example, Principies of Optics, Max Born and Emi 1). Wolf, 1974 (PERGAMON PRESS) etc.).
- the phase shift on the translucent reflective layer side is n and k
- the refractive index n of the organic layer in contact with the translucent reflective layer is calculated using the refractive index and the film thickness of the film.
- the refractive index of the organic layer and each transparent film can also be measured using a spectroscopic ellipsometry measuring device.
- a resonator structure is formed by the first electrode 12 as a reflection layer, the organic layer 13 and the translucent reflection layer 14, and the organic layer 13 as a resonance part is formed.
- the narrow band filter is formed, and the peak wavelength of the spectrum to be extracted; only the light h near I is enhanced by the multiple interference and extracted from the first electrode 15 side. Therefore, light h having a spectrum with a high peak intensity is extracted.
- the film thickness of the organic layer 13 (the optical distance L of the resonance portion) is one of the values that the resonator structure is composed of the first electrode 12, the organic layer 13, and the translucent reflection layer 14.
- Fig. 6 is an example of a simulation of a spectrum showing the characteristics of each organic layer 13 designed in the same manner as a single film. The spectrum and the organic light emitting layer 1 in this figure are shown. By multiplying the light emitted in step c by the light spectrum extracted without causing multiple interference, that is, the internal light emission spectrum shown in FIG. 7, the light spectrum shown in FIG. 5 is obtained. Tol is obtained.
- a simulation example is shown.
- the organic EL element of this comparative example has the same configuration as the first organic EL element except for the optical distance L of the resonance part.
- the organic EL element that emits light in the red (R) region is a buffer layer.
- An organic EL device that emits light in the green (G) region with 13a at 240 nm and an organic EL device that emits light in the blue (B) region with a buffer layer of 13 O nm and light emitting in the blue (B) region By setting the buffer layer 13a to 150 nm, the thickness of each organic layer 13 was adjusted.
- step c is a simulation example of a spectrum showing the characteristics of each organic layer as a single filter designed in the same manner as in this comparative example.
- the light h extracted from the organic EL element is subjected to multiple interferences while causing multiple interference. Keep the width of the kitchen to a certain extent It becomes possible. For this reason, in the organic EL device of the first embodiment, even when the viewing angle is deviated, the shift amount of the wavelength; I can be kept small, and the color purity can be improved in a wide viewing angle range. .
- the organic EL device according to the first embodiment even if the viewing angle is shifted by 30 °, the spectrum peak is almost shifted. The peak of the spectrum is within a shift of about 10 nm even when the angle is shifted by 60 °.
- the viewing angle was 60 as shown in FIG. It can be seen that the peak of the spectrum when shifted is shifted by about 30 nm to the shorter wavelength side, and the color has changed. Therefore, in the organic EL device according to the first embodiment, even when the viewing angle is large, the amount by which the peak position of the extracted light h shifts is smaller than that of the organic EL device according to the comparative example. It was confirmed that it could be suppressed.
- equation (6) when viewed from the radian oblique to the light emitting surface, equation (6) can be rewritten as equation (8) below.
- the color purity can be improved in a wide viewing angle range.
- a sufficient color reproduction range can be secured at a wide viewing angle.
- the reason why the spectrum of the fill characteristic becomes broader when the value of m is smaller as described above is as follows.
- the sum of the phase shifts of the reflected light generated by the anode electrode, that is, the first electrode 12 and the cathode electrode, that is, the translucent reflective layer 14 is ⁇ radian, and the optical distance between the organic layer 13 and If the amount of phase lag for one time of multiple interference is ⁇ 5,
- Fig. 12 shows a colorimeter (BM-7 from Topcon)
- BM-7 chromatimeter
- FIG. 13 shows an organic EL device according to a second embodiment of the present invention. The organic EL device shown in FIG.
- the resonator structure is composed of the interface (for example, the interface with the atmospheric layer).
- the reflectance at the interface between the end face of the second electrode 15 and the atmospheric layer is as large as about 10%.
- the effect of a resonator using the second electrode 15 made of a transparent material as a resonance part is used.
- the distance between the atmospheric layer and the translucent reflective layer 14, that is, the optical distance L of the resonating portion composed of the second electrode 15 (here, L 2 is distinguished from the first embodiment) is Of the m that satisfies the following equation (12), in particular, the following equation (13) is obtained by adding 4 to m (where m is written as ml) for which L, has a positive minimum value. optical distance L 2 is employed.
- the phase shift generated when the light h generated in the organic light emitting layer 13c is reflected at both ends of the resonance part (second electrode 15) is ⁇ radian, and the peak wavelength of the light spectrum is I;
- a passivation film made of a transparent dielectric material having the same refractive index as the second electrode 15 is provided on the second electrode 15, the passivation film and the second The electrode 15 becomes the resonance part.
- the resonance part that is, the first electrode 15
- the resonance part has the wavelengths corresponding to the red (R), green (G), and blue (B) regions, respectively. This causes multiple interference of light. Therefore, for each color, it is not necessary to set the optical distance L 2 of the resonant section, in each organic EL element corresponding to each emission color, the optical distance L 2 of the resonant section of a second electrode 1 5 Can be shared.
- FIG. 15 shows an organic EL device according to a third embodiment of the present invention.
- the organic EL device shown in FIG. 15 is the same as the organic EL device according to the first embodiment shown in FIG. 4, except that the translucent reflective layer 14, the second electrode 15, and the upper end of the second electrode 15 are formed.
- the resonator structure is composed of the interface (for example, atmospheric layer).
- the phase shift generated when the light h generated in the organic light emitting layer 13c is reflected at both ends of the resonance part (second electrode 15) is ⁇ radian, and the peak wavelength of the light spectrum is I; I do.
- a passivation film made of a transparent dielectric material having the same refractive index as that of the second electrode 15 is provided on the second electrode 15, the passivation film and the second electrode 15 are provided. And become resonance parts.
- the resonance part (that is, the second electrode 15) is As shown in the figure, light of multiple wavelengths in each of red (R), green (G), and blue (B) regions causes multiple interference. Therefore, similarly to the second embodiment, it is not necessary to set the optical distance L 3 of the resonant unit for each color, in each of the organic EL elements corresponding to the respective emission colors, the optical distance L 3 of the resonant portion Can be standardized. Moreover, as shown in Fig.
- the light h (light in the green (G) region in Fig. 17) extracted by multiple interference has a plurality of fine peaks.
- the overall spectral width of the light h becomes substantially wider. Therefore, similar to the organic EL device according to the first embodiment, the color purity can be improved in a wide viewing angle range. As a result, a direct-view color display device constituted by using the organic EL element exhibits sufficient color reproducibility over a wide viewing angle.
- the second embodiment and the third embodiment can be applied in combination with the first embodiment or independently. Further, the configuration of the resonance section described in the second and third embodiments is also applicable to the resonance section including the organic layer 13. However, considering that the thickness of the resonating portion described in the second and third embodiments is relatively large, the second electrode 1 having a relatively high degree of freedom in the direction of increasing the thickness is preferred. This is suitable for a configuration in which 5 is the resonance section. Further, the structure of the resonance section described in the first embodiment is also applicable to a resonance section composed of the second electrode 15 (and a passivation film thereon).
- each of the above embodiments is not limited to application to a top emission type organic EL element as shown in FIG.
- the anode electrode is composed of a first electrode 12 made of a metal film with a high work function, but the anode electrode is transparent on a dielectric multilayer film or a reflective film such as aluminum (A1).
- a two-layer structure in which conductive films are stacked may be employed.
- this reflective film Is the first electrode in the present invention.
- the transparent conductive film forms a part of the resonance section.
- the first electrode 12 is a cathode electrode made of a light reflecting material
- the second electrode 15 is an anode electrode made of a transparent electrode
- organic electrodes are sequentially arranged from the first electrode 12 side.
- the present invention is also applicable to a configuration in which the light emitting layer 13c, the hole transport layer 13b, and the buffer layer 13c are stacked.
- the organic layer 13 and the second electrode 15 are combined into one resonating part, and light generated in the organic light emitting layer 13c is applied to the lower end of the organic layer 13 (the boundary between the organic layer 13 and the first electrode 12). It is reflected at the interface) and at the upper end of the second electrode 14 (boundary surface with the atmospheric layer).
- a translucent reflective layer (not shown) made of a material having a high work function such as Pt, Au, or Cr is provided between the organic layer 13 and the second electrode 15.
- the present invention can also be applied to the configuration provided in.
- the structure of the resonance section is the same as in the first to third embodiments.
- the present invention is not limited to the top emission type organic EL element, but can be applied to a transmission type organic EL element using a transparent substrate 11. It is. The present invention is also applicable to an organic EL device connected to a thin film transistor on the substrate 11.
- FIG. 19 is a fragmentary cross-sectional view showing an organic EL device according to a fourth embodiment of the present invention.
- the organic EL device shown in FIG. 19 has a configuration in which a color filter is further provided on the top emission organic EL device according to the first embodiment shown in FIG. That is, the organic layer 13 is used as a resonance part, and a reflector layer composed of the first electrode 11, the organic layer 13 and the translucent reflective layer 14 constitute a resonator structure.
- a color filter 20 is formed via a second electrode (transparent electrode) 15 and a passive-suction film 16. Are located.
- the color filter 20 transmits only the peak wavelength of the spectrum to be extracted from the organic EL element; That is, a device that emits light in the red (R) region is provided with a color filter 10 R that transmits only light in the red (R) region, and a device that emits light in the ⁇ (G) region is green ( A color filter 20 G that transmits only the light in the blue (B) region is provided, and a color filter 10 B that transmits only the light in the blue (B) region is provided for the element that emits light in the blue (B) region. It has been done.
- the optical distance L of the resonance portion composed of the organic layer 13 is the peak wavelength of the spectrum of the extracted light; the light h near the I causes multiple interference. It is designed to be kept at the widest width in the range. Further, it is desirable that the wavelength range of the light h to be extracted from each organic layer 13 is matched with the wavelength range of high transmittance in each color filter 20.
- the peak wavelength of the spectrum to be extracted from the organic EL device out of the external light H emitted from the display surface side that is, the color filter 20 side
- Only the light H passes through the color filter 20 and reaches the resonating portion (here, the organic layer 13), and external light of other wavelengths enters the device inside the color filter 20. Is prevented.
- the resonance part (that is, the organic layer 13) is a narrow-band filter that transmits light in the vicinity of the peak wavelength to be extracted; the transmittance for the external light H, in the vicinity of the peak wavelength ⁇ is low. Very high, that is, very low reflectance to external light ⁇ ,. Therefore, the external light ⁇ , near the above-mentioned peak wavelength, which has penetrated from the color filter 20, is in the organic layer 13. Therefore, the reflection is suppressed, and the light is prevented from being transmitted through the color filter 20 and emitted to the outside again.
- FIG. 20 shows a simulation result of external light reflectance of an organic EL device having a structure in which no color filter is arranged (that is, the organic EL device shown in FIG. 4).
- B indicates the external light reflection of the organic EL element emitting blue (B) color
- G indicates the external light reflection of the organic EL element emitting green (G) color
- R indicates red (G).
- 3 shows the external light reflection of a color light emitting organic EL element.
- FIG. 20 it can be seen that in each of the organic EL devices, the external light reflectance in the vicinity of the peak wavelength; I of each emission color is kept low.
- FIG. 21 shows the transmission characteristics of the color filters (20R, 20G, 20B) arranged in each organic EL element.
- B indicates the transmission characteristics of the color filters arranged in the organic EL device emitting blue (B) light
- G indicates the transmission characteristics of the organic EL device emitting green (G) light
- R indicates the transmission characteristics of the color filter arranged in the organic EL device emitting red (R) light.
- the transmittance near the peak wavelength; I in each color filter is high in each color filter.
- FIG. 22 the external light reflectance of the organic EL element shown in FIG. Based on the graph, the graphs of Fig. 20 and Fig. 21 were synthesized. The results of the simulation are shown.
- B indicates the reflection of external light from the organic EL device emitting blue (B) light
- G indicates the reflection of external light from the organic EL device emitting green (G) light
- R indicates the red light (G).
- External light reflection of the color light emitting organic EL device As shown in FIG. 22, it can be seen that in each of the organic EL devices, the external light reflectance in a wide wavelength region including the peak wavelength of each emission color can be suppressed to be low.
- the peak wavelength to be extracted the light h in the vicinity passes through the narrow-band filter (organic layer 13) as it is, and further passes through the color filter 20. And is extracted as display light.
- the brightness of the emitted light generated in the organic EL device is limited only by the transmittance of the color filter.
- each organic EL element is provided with a color filter having a high transmittance of light near a peak wavelength to be extracted out of light emitted from the organic EL element. For this reason, the reduction in emission light extraction efficiency due to the arrangement of the color filters can be suppressed low, and the reduction in luminance can be minimized.
- this organic EL element As a result, in this organic EL element, the reflection of the external light H including the light near the peak wavelength without hindering the extraction of the light h near the peak wavelength of the emission color to be extracted; Is prevented. Therefore, it is possible to significantly improve the contrast under external light while securing the luminance of the emitted light.
- the wavelength range in which the organic layer 13 resonates and is extracted matches the wavelength range in which the transmittance of each color filter 20 is high, so that the color range is high.
- the reflection of outside light H, in the wavelength range transmitted through the filter 20 can be effectively suppressed in the organic layer 13.
- the light extracted from the organic EL element Since the width of the spectrum can be kept to a certain extent while causing multiple interference of h, color purity can be improved in a wide viewing angle range.
- an organic EL device having a configuration in which a color filter is further provided in addition to the top emission organic EL device according to the first embodiment shown in FIG. 4 has been described.
- the present invention is not limited to this, and may have a configuration in which a color filter is provided in each of the organic EL elements described in the first, second, or third embodiment.
- the color filters arranged in each organic EL element shall have the above-described transmittance characteristics.
- the contrast under external light is greatly increased while maintaining the brightness of the emitted light as described above. It is possible to achieve the same effect as in the second embodiment, that is, an effect that can be obtained when the optical distance L of the resonance unit corresponding to each emission color can be shared.
- the contrast under external light is greatly increased while maintaining the luminance of the emitted light as described above. It is possible to obtain the same effect as the third embodiment, that is, the effect that the color purity can be improved in a wide viewing angle range.
- the organic EL device according to the fourth embodiment is applied to an organic EL device having a structure in which light is emitted from the substrate side, for example, as shown in FIG. 23, from the transparent substrate 31 side.
- the second electrode 3 made of a transparent material 2, a semitransparent reflective layer 33 also serving as an anode electrode, a buffer layer 34a, an organic layer 34 composed of a hole transport layer 34b and an organic light emitting layer 34c, and a force sword electrode also serving as a reflective layer.
- One electrode 35 is laminated, and an appropriately selected color filter 20 is disposed in combination on the opposite side of these layers with the transparent substrate 31 interposed therebetween. Note that the color filter 20 may be disposed between the transparent substrate 31 and the second electrode 32.
- the display element of the first aspect of the present invention while maintaining the spectrum of the light extracted from the emitted light to a certain width, the intensity of the peak wavelength of the light is maintained.
- the resonator structure is optimized such that is increased by multiple interference. Accordingly, it is possible to obtain a display element in which the shift amount of the wavelength of the extracted light is suppressed to be small and the color purity is improved in a wide viewing angle range. As a result, the color reproduction range of a display device using this display element can be widened over a wide viewing angle range.
- the display element of claim 2 it is possible to resonate the emitted light of each wavelength corresponding to red (R), green (G), and blue (B) in the same resonance section. Therefore, it is not necessary to set the optical distance L of the resonance part of the display element for each emission color, and the optical distance L of the resonance part can be shared.
- the display element of the third aspect it is possible to cause multiple emission of light having many peak wavelengths in each of the red (R), green (G), and blue (B) regions in the same resonance section. become. Therefore, it is not necessary to set the optical distance L of the resonance part of the display element for each emission color, and the optical distance L of the resonance part can be shared. Moreover, since the extracted light of each color can have a plurality of fine peaks, the overall spectrum width of each light can be widened. Therefore, a wide field of view In the range of the angle, it is possible to obtain a display element in which the shift amount of the wavelength of the extracted light is suppressed to be small and the color purity is improved. As a result, the color reproduction range of a display device using this display element can be widened over a wide viewing angle range.
- the arrangement of the resonator structure and the color filter does not hinder emission of light of a desired wavelength out of the emitted light, and It becomes possible to prevent the reflection of external light in the entire wavelength range including the light having the wavelength corresponding to this. Therefore, it is possible to significantly improve the contrast under external light while securing the luminance of the emitted light.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001540568A JP4174989B2 (ja) | 1999-11-22 | 2000-11-22 | 表示装置 |
EP00977858A EP1154676A4 (en) | 1999-11-22 | 2000-11-22 | DISPLAY DEVICE |
US09/889,532 US7102282B1 (en) | 1999-11-22 | 2000-11-22 | Display device with a cavity structure for resonating light |
US11/379,323 US7218049B2 (en) | 1999-11-22 | 2006-04-19 | Display device |
US11/692,435 US7710025B2 (en) | 1999-11-22 | 2007-03-28 | Display device using an organic electroluminescence device having resonant cavity |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/330805 | 1999-11-22 | ||
JP33080599 | 1999-11-22 | ||
JP2000251996 | 2000-08-23 | ||
JP2000/251996 | 2000-08-23 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09889532 A-371-Of-International | 2000-11-22 | ||
US11/379,323 Continuation US7218049B2 (en) | 1999-11-22 | 2006-04-19 | Display device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001039554A1 true WO2001039554A1 (en) | 2001-05-31 |
Family
ID=26573638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/008233 WO2001039554A1 (en) | 1999-11-22 | 2000-11-22 | Display device |
Country Status (6)
Country | Link |
---|---|
US (3) | US7102282B1 (ja) |
EP (3) | EP2154737A3 (ja) |
JP (2) | JP4174989B2 (ja) |
KR (1) | KR100740793B1 (ja) |
TW (1) | TW466889B (ja) |
WO (1) | WO2001039554A1 (ja) |
Cited By (106)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003077681A (ja) * | 2001-08-31 | 2003-03-14 | Sony Corp | 有機電界発光素子およびその製造方法 |
JP2003086358A (ja) * | 2001-09-10 | 2003-03-20 | Sony Corp | 表示装置 |
JP2003123987A (ja) * | 2001-10-11 | 2003-04-25 | Toyota Central Res & Dev Lab Inc | 光共振器 |
JP2003178876A (ja) * | 2001-12-07 | 2003-06-27 | Sony Corp | 自発光型表示装置 |
JP2003203762A (ja) * | 2001-11-01 | 2003-07-18 | Sony Corp | 表示装置 |
WO2003096758A1 (fr) * | 2002-05-10 | 2003-11-20 | Seiko Epson Corporation | Dispositif electroluminescent et appareil electronique |
JP2004111398A (ja) * | 2002-09-18 | 2004-04-08 | Samsung Nec Mobile Display Co Ltd | 光学共振効果を利用した有機電界発光素子 |
SG103348A1 (en) * | 2001-06-15 | 2004-04-29 | Sony Corp | Display unit |
JP2004152751A (ja) * | 2002-10-08 | 2004-05-27 | Pioneer Electronic Corp | 有機エレクトロルミネッセンスデバイス |
JP2004164890A (ja) * | 2002-11-11 | 2004-06-10 | Sony Corp | 発光素子およびこれを用いた表示装置 |
SG104335A1 (en) * | 2001-06-05 | 2004-06-21 | Sony Corp | Display device |
JP2004178930A (ja) * | 2002-11-26 | 2004-06-24 | Sony Corp | 発光素子およびこれを用いた表示装置 |
EP1443806A1 (en) * | 2001-09-28 | 2004-08-04 | Sony Corporation | Organic electric field light emitting device |
JP2004253390A (ja) * | 2003-02-18 | 2004-09-09 | Eastman Kodak Co | カラー有機発光表示装置 |
JP2004355975A (ja) * | 2003-05-29 | 2004-12-16 | Sony Corp | 表示装置の製造方法 |
WO2005002010A1 (ja) * | 2003-06-27 | 2005-01-06 | Semiconductor Energy Laboratory Co., Ltd. | 有機レーザー装置 |
JP2005093329A (ja) * | 2003-09-19 | 2005-04-07 | Sony Corp | 表示素子およびこれを用いた表示装置 |
JP2005116516A (ja) * | 2003-09-19 | 2005-04-28 | Sony Corp | 表示装置および表示装置の製造方法 |
WO2005086540A1 (ja) * | 2004-03-05 | 2005-09-15 | Idemitsu Kosan Co., Ltd. | 有機エレクトロルミネッセンス素子及び表示装置 |
WO2005112521A1 (ja) * | 2004-05-18 | 2005-11-24 | Idemitsu Kosan Co., Ltd. | 青色系有機エレクトロルミネッセンス素子及び表示装置 |
JP2006147598A (ja) * | 1999-11-22 | 2006-06-08 | Sony Corp | 表示素子 |
JP2006210330A (ja) * | 2004-12-28 | 2006-08-10 | Semiconductor Energy Lab Co Ltd | 発光装置及びその作製方法 |
JP2006236947A (ja) * | 2005-02-28 | 2006-09-07 | Sanyo Electric Co Ltd | 有機elパネル |
WO2006098188A1 (ja) * | 2005-03-17 | 2006-09-21 | Idemitsu Kosan Co., Ltd. | 有機エレクトロルミネッセンス素子 |
JP2007012370A (ja) * | 2005-06-29 | 2007-01-18 | Sony Corp | 有機発光素子および有機発光装置 |
JP2007026867A (ja) * | 2005-07-15 | 2007-02-01 | Toshiba Matsushita Display Technology Co Ltd | 有機el表示装置 |
WO2007032526A1 (ja) * | 2005-09-15 | 2007-03-22 | Pioneer Corporation | 有機エレクトロルミネセンス表示パネル |
KR100704082B1 (ko) | 2002-11-26 | 2007-04-05 | 닛토덴코 가부시키가이샤 | 유기 전기 발광 소자, 면 광원 및 표시 장치 |
JP2007115679A (ja) * | 2005-09-26 | 2007-05-10 | Kyocera Corp | El装置 |
WO2007052432A1 (ja) | 2005-10-31 | 2007-05-10 | Idemitsu Kosan Co., Ltd. | 有機el発光装置 |
JP2007157732A (ja) * | 2007-01-29 | 2007-06-21 | Sony Corp | 発光素子およびこれを用いた表示装置 |
JP2007200904A (ja) * | 2007-03-23 | 2007-08-09 | Seiko Epson Corp | 発光装置 |
JP2008108503A (ja) * | 2006-10-24 | 2008-05-08 | Fuji Electric Holdings Co Ltd | 白色発光有機el素子の製造方法 |
US7385655B2 (en) | 2002-09-02 | 2008-06-10 | Semiconductor Energy Laboratory Co., Ltd. | Electronic circuit device with optical sensors and optical shutters at specific locations |
JP2008525993A (ja) * | 2004-12-28 | 2008-07-17 | スリーエム イノベイティブ プロパティズ カンパニー | 光学スペーサーを含むエレクトロルミネセンスデバイスおよびその製造方法 |
US7459726B2 (en) | 2003-02-12 | 2008-12-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device comprising a light emitting element and a light receiving element |
JP2009070764A (ja) * | 2007-09-18 | 2009-04-02 | Seiko Epson Corp | 発光装置および電子機器 |
JP2009117343A (ja) * | 2007-10-18 | 2009-05-28 | Seiko Epson Corp | 発光装置及び電子機器 |
JP2009123404A (ja) * | 2007-11-13 | 2009-06-04 | Sony Corp | 表示装置 |
JP2010034074A (ja) * | 2009-11-09 | 2010-02-12 | Sony Corp | 表示装置 |
US7671376B2 (en) | 2005-09-27 | 2010-03-02 | Seiko Epson Corporation | Light emitting apparatus, method of manufacturing light emitting apparatus, and electronic apparatus |
US7687986B2 (en) | 2005-05-27 | 2010-03-30 | Fujifilm Corporation | Organic EL device having hole-injection layer doped with metallic oxide |
US7750559B2 (en) | 2006-08-29 | 2010-07-06 | Canon Kabushiki Kaisha | Organic electroluminescent element array |
JP2010186637A (ja) * | 2009-02-12 | 2010-08-26 | Sony Corp | 有機電界発光素子および表示装置 |
US7812520B2 (en) | 2003-07-01 | 2010-10-12 | Semiconductor Energy Laboratory Co., Ltd. | Full color display based on organic light-emitting device |
CN101859794A (zh) * | 2009-04-03 | 2010-10-13 | 索尼公司 | 显示装置及制造显示装置的方法 |
US7843123B2 (en) | 2006-09-07 | 2010-11-30 | Canon Kabushiki Kaisha | OLED with semi-transparent layer |
WO2010143232A1 (ja) * | 2009-06-11 | 2010-12-16 | パイオニア株式会社 | 発光素子及び表示装置 |
JP2011082134A (ja) * | 2009-10-08 | 2011-04-21 | Samsung Mobile Display Co Ltd | 有機発光表示装置及びその製造方法 |
JP2011103205A (ja) * | 2009-11-10 | 2011-05-26 | Sony Corp | 発光素子及びその製造方法 |
US7956529B2 (en) | 2005-03-11 | 2011-06-07 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent color light-emitting apparatus with organic electroluminescent devices with adjusted optical distances between electrodes |
US7973319B2 (en) | 2003-09-19 | 2011-07-05 | Sony Corporation | Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same |
JP2011134726A (ja) * | 2005-09-26 | 2011-07-07 | Kyocera Corp | El装置 |
US7982385B2 (en) | 2005-09-30 | 2011-07-19 | Semiconductor Energy Laboratory Co., Ltd. | Display device with a plurality of picture elements and electronic device with display device |
JP2011175984A (ja) * | 2004-09-24 | 2011-09-08 | Semiconductor Energy Lab Co Ltd | 発光装置 |
US8018149B2 (en) | 2008-01-11 | 2011-09-13 | Seiko Epson Corporation | Light-emitting apparatus including optical resonance structure and electronic apparatus |
US8076687B2 (en) | 2008-05-14 | 2011-12-13 | Seiko Epson Corporation | Light emitting device for improving the color purity of emitted light and electronic apparatus |
US8106582B2 (en) | 2004-03-05 | 2012-01-31 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence display device |
JP2012074237A (ja) * | 2010-09-28 | 2012-04-12 | Toppan Printing Co Ltd | 有機el素子及びその製造方法 |
US8227981B2 (en) | 2010-01-29 | 2012-07-24 | Sony Corporation | Light-emitting device, illumination apparatus, and display apparatus |
US8283679B2 (en) | 2003-06-30 | 2012-10-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device having light-emitting element and light-receiving element for transmitting among circuits formed over the plurality of substrates |
US8330151B2 (en) | 2009-09-18 | 2012-12-11 | Udc Ireland Limited | Organic electroluminescent element |
US8334530B2 (en) | 2009-12-01 | 2012-12-18 | Sony Corporation | Light-emitting element and method for production thereof |
US8368617B2 (en) | 2006-02-03 | 2013-02-05 | Sony Corporation | Display device and display unit |
US8373342B2 (en) | 2010-01-29 | 2013-02-12 | Sony Corporation | Light-emitting apparatus, illumination apparatus, and display apparatus |
US8399892B2 (en) | 2010-06-29 | 2013-03-19 | Sony Corporation | Display device |
US8410686B2 (en) | 2007-08-17 | 2013-04-02 | Sony Corporation | Display device having lens portions for enhanced extraction of light |
US8426847B2 (en) | 2009-08-10 | 2013-04-23 | Sony Corporation | Light emitting device |
JP2013110124A (ja) * | 2000-02-03 | 2013-06-06 | Semiconductor Energy Lab Co Ltd | 発光装置 |
US8487335B2 (en) | 2011-03-17 | 2013-07-16 | Sony Corporation | Light emitting device, illumination apparatus and display apparatus |
US8633473B2 (en) | 2004-12-28 | 2014-01-21 | Semiconductor Energy Laboratory Co., Ltd. | High contrast light emitting device and method for manufacturing the same |
JP2014013684A (ja) * | 2012-07-04 | 2014-01-23 | Panasonic Corp | 発光素子及び表示装置 |
WO2014020850A1 (en) | 2012-07-30 | 2014-02-06 | Sony Corporation | Light emitting device, display unit including the same, and electronic apparatus |
US8664677B2 (en) | 2008-07-29 | 2014-03-04 | Sony Corporation | Light-emitting element and organic electroluminescent display device |
KR20140027141A (ko) | 2011-04-13 | 2014-03-06 | 이데미쓰 고산 가부시키가이샤 | 유기 전계발광 소자 |
US8772797B2 (en) | 2010-08-17 | 2014-07-08 | Sony Corporation | Display device with step configuration in the insulating layer |
US8809882B2 (en) | 2011-03-28 | 2014-08-19 | Sony Corporation | Light emitting element, illumination device, and display apparatus |
US8829786B2 (en) | 2011-06-30 | 2014-09-09 | Canon Kabushiki Kaisha | Display apparatus |
US8835947B2 (en) | 2011-06-30 | 2014-09-16 | Canon Kabushiki Kaisha | Display apparatus |
US8860302B2 (en) | 2010-01-29 | 2014-10-14 | Sony Corporation | Light-emitting apparatus, illumination apparatus, and display apparatus |
US8907331B2 (en) | 2012-07-31 | 2014-12-09 | Sony Corporation | Display unit and electronic apparatus |
US8946684B2 (en) | 2010-01-29 | 2015-02-03 | Sony Corporation | Light-emitting device, illumination apparatus, and display apparatus |
JP2015099774A (ja) * | 2013-11-18 | 2015-05-28 | エバーディスプレイ オプトロニクス(シャンハイ) リミテッド | Oled表示パネル及び当該oled表示パネルに用いられる青色光スペクトルの調整方法 |
US9054053B2 (en) | 2010-06-16 | 2015-06-09 | Sony Corporation | Display device and electronic device |
US9064450B2 (en) | 2007-03-14 | 2015-06-23 | Joled Inc. | Display device, method for driving display device, and electronic apparatus |
WO2015096658A1 (zh) | 2013-12-26 | 2015-07-02 | 东丽先端材料研究开发(中国)有限公司 | 芳香胺化合物、发光元件材料及发光元件 |
WO2015096657A1 (zh) | 2013-12-26 | 2015-07-02 | 东丽先端材料研究开发(中国)有限公司 | 有机发光元件 |
US9093664B2 (en) | 2006-07-31 | 2015-07-28 | Sony Corporation | Organic light emitting device and display unit |
US9095033B2 (en) | 2009-10-09 | 2015-07-28 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence element |
US9601709B2 (en) | 2015-03-18 | 2017-03-21 | Samsung Display Co., Ltd. | Organic light emitting display panel and method of manufacturing the same |
US10084157B2 (en) | 2016-04-07 | 2018-09-25 | Samsung Display Co., Ltd. | Organic light emitting diode |
US10103346B2 (en) | 2016-10-13 | 2018-10-16 | Samsung Display Co., Ltd. | Organic light emitting diode display device and manufacturing method thereof |
US10205126B2 (en) | 2016-11-29 | 2019-02-12 | Joled Inc. | Light emission device including light extraction plane and a plurality of reflection interfaces, display apparatus including the light emission device, and illumination apparatus including the light emission device |
WO2019100999A1 (zh) | 2017-11-23 | 2019-05-31 | 东丽先端材料研究开发(中国)有限公司 | 有机发光元件 |
US10381522B2 (en) | 2016-11-14 | 2019-08-13 | Samsung Display Co., Ltd. | Light emitting diode |
WO2020110665A1 (ja) | 2018-11-27 | 2020-06-04 | ソニー株式会社 | 発光素子、投影型表示装置及び面発光装置 |
US10756303B2 (en) | 2018-05-11 | 2020-08-25 | Joled Inc. | Light emitting device |
US10797268B2 (en) | 2017-10-20 | 2020-10-06 | Joled Inc. | Light-emitting device |
KR20200115509A (ko) | 2018-01-31 | 2020-10-07 | 도레이 카부시키가이샤 | 방향족 아민 화합물, 캐핑층 재료 및 발광 소자 |
US10909915B2 (en) | 2018-05-29 | 2021-02-02 | Joled Inc. | Light emitting device |
US11075249B2 (en) | 2018-01-31 | 2021-07-27 | Sakai Display Products Corporation | Method for producing organic electroluminescent display device comprising polydiacetylene layers |
US11088348B2 (en) | 2018-01-31 | 2021-08-10 | Sakai Display Products Corporation | Method for producing organic electroluminescent display device comprising polydiacetylene layer |
CN113972335A (zh) * | 2020-07-23 | 2022-01-25 | Tcl科技集团股份有限公司 | 发光器件以及调制发光器件发射峰的方法 |
WO2022220103A1 (ja) | 2021-04-13 | 2022-10-20 | キヤノン株式会社 | 発光装置、表示装置、光電変換装置、電子機器、照明装置、および移動体 |
US11495777B2 (en) | 2019-09-30 | 2022-11-08 | Joled Inc. | Self-luminous element, self-luminous panel, and self-luminous panel manufacturing method |
US11871649B2 (en) | 2017-08-16 | 2024-01-09 | Samsung Display Co., Ltd. | Organic light-emitting device |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003234186A (ja) * | 2001-12-06 | 2003-08-22 | Sony Corp | 表示装置およびその製造方法 |
KR100563675B1 (ko) * | 2002-04-09 | 2006-03-28 | 캐논 가부시끼가이샤 | 유기 발광소자 및 유기 발광소자 패키지 |
JP4373063B2 (ja) | 2002-09-02 | 2009-11-25 | 株式会社半導体エネルギー研究所 | 電子回路装置 |
JP3703028B2 (ja) | 2002-10-04 | 2005-10-05 | ソニー株式会社 | 表示素子およびこれを用いた表示装置 |
US20040140757A1 (en) * | 2003-01-17 | 2004-07-22 | Eastman Kodak Company | Microcavity OLED devices |
US20040149984A1 (en) * | 2003-01-31 | 2004-08-05 | Eastman Kodak Company | Color OLED display with improved emission |
JP2004327634A (ja) * | 2003-04-23 | 2004-11-18 | Semiconductor Energy Lab Co Ltd | レーザ発振器 |
KR100915617B1 (ko) * | 2003-06-13 | 2009-09-07 | 후지 덴키 홀딩스 가부시키가이샤 | 유기 el 소자 및 유기 el 패널 |
KR100528916B1 (ko) * | 2003-06-25 | 2005-11-15 | 삼성에스디아이 주식회사 | 배면발광형 전계발광소자 |
US6917159B2 (en) | 2003-08-14 | 2005-07-12 | Eastman Kodak Company | Microcavity OLED device |
US6905788B2 (en) * | 2003-09-12 | 2005-06-14 | Eastman Kodak Company | Stabilized OLED device |
KR100615185B1 (ko) * | 2003-11-04 | 2006-08-25 | 삼성에스디아이 주식회사 | 전계 발광 소자 |
WO2005064695A2 (en) * | 2003-12-29 | 2005-07-14 | Universiteit Gent | Low refractive index gap for enhanced light extraction from a display or lighting element |
US7019331B2 (en) | 2004-01-22 | 2006-03-28 | Eastman Kodak Company | Green light-emitting microcavity OLED device using a yellow color filter element |
DE102005016592A1 (de) * | 2004-04-14 | 2005-11-24 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip |
DE102004021567A1 (de) * | 2004-05-03 | 2005-12-08 | Covion Organic Semiconductors Gmbh | Elektronische Vorrichtungen enthaltend organische Halbleiter |
JP4693593B2 (ja) * | 2004-11-16 | 2011-06-01 | 京セラ株式会社 | 発光装置 |
KR100601381B1 (ko) * | 2004-11-29 | 2006-07-13 | 삼성에스디아이 주식회사 | 평판표시장치 및 그 제조방법 |
FR2879025A1 (fr) * | 2004-12-07 | 2006-06-09 | Thomson Licensing Sa | Diode organique electroluminescente et panneau de diodes a couche anti-reflet favorisant l'extraction de lumiere |
US20080084159A1 (en) * | 2004-12-21 | 2008-04-10 | Christophe Fery | Organic Double-Sided Light-Emitting Diode with a Light Extraction Dielectric Layer |
JP4939809B2 (ja) | 2005-01-21 | 2012-05-30 | 株式会社半導体エネルギー研究所 | 発光装置 |
TW200642524A (en) * | 2005-02-28 | 2006-12-01 | Sanyo Electric Co | Organic electro-luminescence device |
KR100721571B1 (ko) * | 2005-03-07 | 2007-05-23 | 삼성에스디아이 주식회사 | 유기 전계 발광 소자 및 그의 제조방법 |
US8729795B2 (en) | 2005-06-30 | 2014-05-20 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device and electronic device |
US7719182B2 (en) * | 2005-09-22 | 2010-05-18 | Global Oled Technology Llc | OLED device having improved light output |
US8936373B2 (en) * | 2005-10-27 | 2015-01-20 | Koninklijke Philips N.V. | Directional light output devices such as multi-view displays |
US7710017B2 (en) | 2006-09-08 | 2010-05-04 | Universal Display Corporation | Organic light emitting device having a transparent microcavity |
US7800295B2 (en) | 2006-09-15 | 2010-09-21 | Universal Display Corporation | Organic light emitting device having a microcavity |
JP4484081B2 (ja) * | 2006-12-22 | 2010-06-16 | ソニー株式会社 | 有機電界発光素子および表示装置 |
US7728512B2 (en) | 2007-03-02 | 2010-06-01 | Universal Display Corporation | Organic light emitting device having an external microcavity |
CN101271869B (zh) * | 2007-03-22 | 2015-11-25 | 株式会社半导体能源研究所 | 发光器件的制造方法 |
US8179034B2 (en) | 2007-07-13 | 2012-05-15 | 3M Innovative Properties Company | Light extraction film for organic light emitting diode display and lighting devices |
US7868528B2 (en) | 2007-10-18 | 2011-01-11 | Seiko Epson Corporation | Light emitting device with translucent semi-reflection layer and electronic apparatus |
KR101399215B1 (ko) * | 2007-11-05 | 2014-05-26 | 엘지디스플레이 주식회사 | 유기발광다이오드 표시장치 및 이의 제조 방법 |
US8815411B2 (en) | 2007-11-09 | 2014-08-26 | The Regents Of The University Of Michigan | Stable blue phosphorescent organic light emitting devices |
US8476822B2 (en) | 2007-11-09 | 2013-07-02 | Universal Display Corporation | Saturated color organic light emitting devices |
JP5219745B2 (ja) * | 2007-11-14 | 2013-06-26 | キヤノン株式会社 | 発光装置 |
JP2009288773A (ja) * | 2008-04-30 | 2009-12-10 | Sony Corp | 表示装置 |
TWI407824B (zh) * | 2008-09-10 | 2013-09-01 | Innolux Corp | 影像顯示系統 |
KR101348408B1 (ko) * | 2008-12-02 | 2014-01-07 | 엘지디스플레이 주식회사 | 상부발광 방식 유기전계 발광소자 및 이의 제조 방법 |
US7957621B2 (en) | 2008-12-17 | 2011-06-07 | 3M Innovative Properties Company | Light extraction film with nanoparticle coatings |
KR101146980B1 (ko) * | 2009-02-17 | 2012-05-22 | 삼성모바일디스플레이주식회사 | 유기 발광 소자 및 그 제조방법 |
JP2010281953A (ja) * | 2009-06-03 | 2010-12-16 | Canon Inc | 有機el発光素子を用いた画像表示装置 |
CN104868059B (zh) * | 2009-06-11 | 2017-04-19 | 日本先锋公司 | 发光元件和显示装置 |
JP2010287484A (ja) * | 2009-06-12 | 2010-12-24 | Sony Corp | 有機発光素子、並びにこれを備えた表示装置および照明装置 |
JP2010287524A (ja) * | 2009-06-15 | 2010-12-24 | Sony Corp | 表示素子および表示装置 |
JP5418144B2 (ja) * | 2009-10-23 | 2014-02-19 | セイコーエプソン株式会社 | 発光装置及び電子機器 |
KR101084263B1 (ko) * | 2009-12-14 | 2011-11-16 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
KR101074808B1 (ko) * | 2009-12-16 | 2011-10-19 | 삼성모바일디스플레이주식회사 | 청색 발광 소자 및 이를 포함하는 유기 발광 디스플레이 |
KR101084197B1 (ko) * | 2010-02-24 | 2011-11-17 | 삼성모바일디스플레이주식회사 | 유기 발광 표시장치 및 그 제조방법 |
KR101365671B1 (ko) | 2010-08-26 | 2014-02-24 | 한국전자통신연구원 | 유기전계발광소자 |
KR20120056505A (ko) | 2010-11-25 | 2012-06-04 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
US8957442B2 (en) | 2011-02-11 | 2015-02-17 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and display device |
JP2013157277A (ja) * | 2012-01-31 | 2013-08-15 | Canon Inc | 発光装置、画像形成装置及び撮像装置 |
DE102012202839B4 (de) * | 2012-02-24 | 2019-07-11 | Osram Oled Gmbh | Organische Leuchtdiode |
CN103378123A (zh) * | 2012-04-19 | 2013-10-30 | 群康科技(深圳)有限公司 | 影像显示*** |
WO2013179360A1 (ja) * | 2012-06-01 | 2013-12-05 | パナソニック株式会社 | 発光素子およびそれを用いた表示装置 |
KR101918712B1 (ko) * | 2012-08-02 | 2018-11-15 | 삼성디스플레이 주식회사 | 유기 발광 장치 |
EP2893770B1 (en) * | 2012-09-06 | 2023-04-26 | Vaisala Oyj | Optical layered structure, manufacturing method, and use |
JP6044239B2 (ja) * | 2012-10-01 | 2016-12-14 | セイコーエプソン株式会社 | 撮像装置および医療機器 |
KR102040872B1 (ko) * | 2012-12-13 | 2019-11-06 | 삼성디스플레이 주식회사 | 유기발광소자, 이를 포함하는 유기발광표시장치, 및 유기발광소자를 양면 발광 제어하는 방법 |
JP2015026560A (ja) * | 2013-07-29 | 2015-02-05 | セイコーエプソン株式会社 | 発光装置および電子機器 |
KR102139577B1 (ko) | 2013-10-24 | 2020-07-31 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
KR102156345B1 (ko) * | 2014-05-14 | 2020-09-15 | 엘지디스플레이 주식회사 | 유기 발광 다이오드 및 이를 포함하는 표시 장치 |
JP5930233B2 (ja) * | 2014-11-04 | 2016-06-08 | ウシオ電機株式会社 | 光源装置及び画像投影装置 |
US10770687B2 (en) | 2016-07-12 | 2020-09-08 | Pioneer Corporation | Light-emitting system |
JP6695976B2 (ja) | 2016-07-12 | 2020-05-20 | パイオニア株式会社 | 発光システム及び移動体 |
WO2018012335A1 (ja) | 2016-07-12 | 2018-01-18 | パイオニア株式会社 | 発光装置 |
US10026863B2 (en) * | 2016-07-13 | 2018-07-17 | Dpix, Llc | Method of manufacturing a sensor array |
JPWO2019220283A1 (ja) | 2018-05-18 | 2021-07-01 | 株式会社半導体エネルギー研究所 | 発光素子、発光装置、電子機器および照明装置 |
TW202041503A (zh) | 2019-02-22 | 2020-11-16 | 日商保土谷化學工業股份有限公司 | 具有苯并唑環構造之芳香胺化合物及有機電致發光元件 |
US11031577B1 (en) | 2019-11-26 | 2021-06-08 | OLEDWorks LLC | Multimodal microcavity OLED with multiple blue emitting layers |
JP7349908B2 (ja) * | 2019-12-27 | 2023-09-25 | 住友化学株式会社 | 画像表示装置 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04328295A (ja) * | 1991-04-26 | 1992-11-17 | Pioneer Electron Corp | 有機エレクトロルミネッセンス素子 |
JPH05343183A (ja) * | 1992-06-10 | 1993-12-24 | Hitachi Ltd | 有機薄膜el素子 |
JPH06275381A (ja) * | 1993-03-18 | 1994-09-30 | Hitachi Ltd | 多色発光素子とその基板 |
JPH06283271A (ja) * | 1993-03-26 | 1994-10-07 | Ricoh Co Ltd | 有機電界発光素子 |
EP0653902A1 (en) | 1993-11-15 | 1995-05-17 | Hitachi, Ltd. | Variable wavelength luminescent device and control method therefor |
JPH07240277A (ja) * | 1994-02-25 | 1995-09-12 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子 |
JPH07320864A (ja) * | 1994-05-20 | 1995-12-08 | At & T Corp | 微小空胴光源を含む製品 |
JPH08213174A (ja) * | 1992-09-22 | 1996-08-20 | Hitachi Ltd | 有機発光素子とその基板 |
EP0756334A2 (en) | 1995-07-28 | 1997-01-29 | Canon Kabushiki Kaisha | Light emitting device, electric device provided with the light emitting device, and method of producing the light emitting device |
JPH09180883A (ja) * | 1995-10-27 | 1997-07-11 | Toyota Central Res & Dev Lab Inc | 微小光共振器型有機電界発光素子 |
JPH11288786A (ja) | 1998-02-04 | 1999-10-19 | Toyota Central Res & Dev Lab Inc | 光共振型有機エレクトロルミネッセンス素子 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US592080A (en) * | 1897-10-19 | Air oe water wheel | ||
JP2776040B2 (ja) * | 1990-04-27 | 1998-07-16 | 凸版印刷株式会社 | 有機薄膜el素子 |
US5405710A (en) * | 1993-11-22 | 1995-04-11 | At&T Corp. | Article comprising microcavity light sources |
US5682402A (en) * | 1995-01-10 | 1997-10-28 | Hitachi, Ltd. | Organic luminescent devices with a multiplex structure |
JP2838063B2 (ja) * | 1995-09-20 | 1998-12-16 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子 |
JPH09127885A (ja) | 1995-10-30 | 1997-05-16 | Sony Corp | 表示素子 |
JPH09129375A (ja) * | 1995-11-01 | 1997-05-16 | Sumitomo Electric Ind Ltd | 有機エレクトロルミネッセンス素子 |
JPH10229243A (ja) * | 1997-02-18 | 1998-08-25 | Hitachi Ltd | 有機発光素子 |
US5920808A (en) | 1996-12-12 | 1999-07-06 | Glenayre Electronics, Inc. | Method and apparatus for reducing key-up distortion by pre-heating transistors |
US5920080A (en) * | 1997-06-23 | 1999-07-06 | Fed Corporation | Emissive display using organic light emitting diodes |
US5949187A (en) * | 1997-07-29 | 1999-09-07 | Motorola, Inc. | Organic electroluminescent device with plural microcavities |
JPH10177896A (ja) * | 1998-01-05 | 1998-06-30 | Hitachi Ltd | 有機発光素子 |
US6133692A (en) * | 1998-06-08 | 2000-10-17 | Motorola, Inc. | White light generating organic electroluminescent device and method of fabrication |
US6091197A (en) * | 1998-06-12 | 2000-07-18 | Xerox Corporation | Full color tunable resonant cavity organic light emitting diode |
US6366017B1 (en) * | 1999-07-14 | 2002-04-02 | Agilent Technologies, Inc/ | Organic light emitting diodes with distributed bragg reflector |
-
2000
- 2000-11-22 KR KR1020017009233A patent/KR100740793B1/ko not_active IP Right Cessation
- 2000-11-22 TW TW089124786A patent/TW466889B/zh not_active IP Right Cessation
- 2000-11-22 WO PCT/JP2000/008233 patent/WO2001039554A1/ja active Application Filing
- 2000-11-22 EP EP09012631A patent/EP2154737A3/en not_active Withdrawn
- 2000-11-22 US US09/889,532 patent/US7102282B1/en not_active Expired - Fee Related
- 2000-11-22 EP EP09012630A patent/EP2169738A3/en not_active Withdrawn
- 2000-11-22 JP JP2001540568A patent/JP4174989B2/ja not_active Expired - Fee Related
- 2000-11-22 EP EP00977858A patent/EP1154676A4/en not_active Withdrawn
-
2006
- 2006-04-19 US US11/379,323 patent/US7218049B2/en not_active Expired - Fee Related
-
2007
- 2007-03-28 US US11/692,435 patent/US7710025B2/en not_active Expired - Fee Related
-
2010
- 2010-05-27 JP JP2010121306A patent/JP4730469B2/ja not_active Expired - Fee Related
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04328295A (ja) * | 1991-04-26 | 1992-11-17 | Pioneer Electron Corp | 有機エレクトロルミネッセンス素子 |
JPH05343183A (ja) * | 1992-06-10 | 1993-12-24 | Hitachi Ltd | 有機薄膜el素子 |
JPH08213174A (ja) * | 1992-09-22 | 1996-08-20 | Hitachi Ltd | 有機発光素子とその基板 |
JPH06275381A (ja) * | 1993-03-18 | 1994-09-30 | Hitachi Ltd | 多色発光素子とその基板 |
JPH06283271A (ja) * | 1993-03-26 | 1994-10-07 | Ricoh Co Ltd | 有機電界発光素子 |
EP0653902A1 (en) | 1993-11-15 | 1995-05-17 | Hitachi, Ltd. | Variable wavelength luminescent device and control method therefor |
JPH07142171A (ja) * | 1993-11-15 | 1995-06-02 | Hitachi Ltd | 可変波長発光素子とその制御方法 |
JPH07240277A (ja) * | 1994-02-25 | 1995-09-12 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子 |
JPH07320864A (ja) * | 1994-05-20 | 1995-12-08 | At & T Corp | 微小空胴光源を含む製品 |
EP0756334A2 (en) | 1995-07-28 | 1997-01-29 | Canon Kabushiki Kaisha | Light emitting device, electric device provided with the light emitting device, and method of producing the light emitting device |
JPH09180883A (ja) * | 1995-10-27 | 1997-07-11 | Toyota Central Res & Dev Lab Inc | 微小光共振器型有機電界発光素子 |
JPH11288786A (ja) | 1998-02-04 | 1999-10-19 | Toyota Central Res & Dev Lab Inc | 光共振型有機エレクトロルミネッセンス素子 |
Non-Patent Citations (5)
Title |
---|
A.DODABALAPUR ET AL: "Color variation with electroluminescent organic semiconductors in multimode resonant cavities", APPL. PHYS. LETT., vol. 65, no. 18, 1994, pages 2308 - 2310, XP002936800 * |
A.DODABALAPUR ET AL: "Microcavity effects in organic semiconductors", APPL. PHYS. LETT., vol. 64, no. 19, 1994, pages 2486 - 2488, XP002936798 * |
K.NEYTS ET AL: "Semitransparent metal or distributed Bragg reflector for wide-viewing-angle organic light-emitting-diode microcavities", J. OPTICAL SOCIETY OF AMERICA B, vol. 17, no. 1, 2000, pages 114 - 119, XP002936799 * |
See also references of EP1154676A4 |
TAKAHIRO NAKAYAMA ET AL.: "Bishoukou kyoushinki kouzou wo rirou shita yuki hakkou soshi ni yoru tashoku hyouji no kentou", TRANSACTIONS C-II OF THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, vol. J77-C-II, no. 10, 1994, pages 437 - 443, XP002937001 * |
Cited By (226)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006147598A (ja) * | 1999-11-22 | 2006-06-08 | Sony Corp | 表示素子 |
JP4655959B2 (ja) * | 1999-11-22 | 2011-03-23 | ソニー株式会社 | 表示素子 |
US8810130B2 (en) | 2000-02-03 | 2014-08-19 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting device and method of manufacturing the same |
JP2013110124A (ja) * | 2000-02-03 | 2013-06-06 | Semiconductor Energy Lab Co Ltd | 発光装置 |
SG104335A1 (en) * | 2001-06-05 | 2004-06-21 | Sony Corp | Display device |
KR100872729B1 (ko) * | 2001-06-05 | 2008-12-08 | 소니 가부시끼 가이샤 | 디스플레이 소자 |
CN1332586C (zh) * | 2001-06-05 | 2007-08-15 | 索尼株式会社 | 显示器件 |
US6831409B2 (en) | 2001-06-05 | 2004-12-14 | Sony Corporation | Display device with minimal color deviation for various view angles |
US7045949B2 (en) | 2001-06-15 | 2006-05-16 | Sony Corporation | Display unit |
SG103348A1 (en) * | 2001-06-15 | 2004-04-29 | Sony Corp | Display unit |
US9722201B2 (en) | 2001-08-31 | 2017-08-01 | Sony Corporation | Organic electroluminescence device and method of manufacturing the same |
US20160268539A1 (en) * | 2001-08-31 | 2016-09-15 | Sony Corporation | Electroluminescence device and display device |
US20080067927A1 (en) * | 2001-08-31 | 2008-03-20 | Sony Corporation | Organic electroluminescence device and method of manufacturing the same |
US8937428B2 (en) | 2001-08-31 | 2015-01-20 | Sony Corporation | Organic electroluminescence device with silver alloy anode and method of manufacturing the same |
US10020460B2 (en) | 2001-08-31 | 2018-07-10 | Sony Corporation | Electroluminescence device and display device |
EP1422977A1 (en) * | 2001-08-31 | 2004-05-26 | Sony Corporation | Organic electroluminescence device and its producing method |
JP2003077681A (ja) * | 2001-08-31 | 2003-03-14 | Sony Corp | 有機電界発光素子およびその製造方法 |
EP1422977A4 (en) * | 2001-08-31 | 2009-06-17 | Sony Corp | ORGANIC ELECTROLUMINESCENT DEVICE AND METHOD FOR MANUFACTURING THE SAME |
US10522781B2 (en) | 2001-08-31 | 2019-12-31 | Sony Corporation | Electroluminescence device and display device |
US9240564B2 (en) | 2001-08-31 | 2016-01-19 | Sony Corporation | Organic electroluminescence device and method of manufacturing the same |
JP2003086358A (ja) * | 2001-09-10 | 2003-03-20 | Sony Corp | 表示装置 |
JP4736284B2 (ja) * | 2001-09-10 | 2011-07-27 | ソニー株式会社 | 表示装置およびその製造方法 |
EP1443806A4 (en) * | 2001-09-28 | 2009-06-10 | Sony Corp | ORGANIC ELECTROLUMINESCENCE DEVICE |
EP1443806A1 (en) * | 2001-09-28 | 2004-08-04 | Sony Corporation | Organic electric field light emitting device |
KR100911286B1 (ko) * | 2001-09-28 | 2009-08-11 | 소니 가부시끼 가이샤 | 유기 전계 발광 소자 |
JP2003123987A (ja) * | 2001-10-11 | 2003-04-25 | Toyota Central Res & Dev Lab Inc | 光共振器 |
US11258036B2 (en) | 2001-11-01 | 2022-02-22 | Joled Inc. | Display apparatus including organic electroluminescence devices |
KR100921284B1 (ko) | 2001-11-01 | 2009-10-09 | 소니 가부시끼 가이샤 | 표시 장치의 제조 방법 |
US9425427B2 (en) | 2001-11-01 | 2016-08-23 | Joled Inc. | Display apparatus including organic electroluminescent devices |
US7282856B2 (en) | 2001-11-01 | 2007-10-16 | Sony Corporation | Electroluminescent display having an adhesive layer comprised of two or more liquids |
US8519622B2 (en) | 2001-11-01 | 2013-08-27 | Sony Corporation | Display apparatus |
US10249841B2 (en) | 2001-11-01 | 2019-04-02 | Joled Inc. | Display apparatus |
US9653699B2 (en) | 2001-11-01 | 2017-05-16 | Joled Inc. | Method of manufacturing a display apparatus |
US10930877B2 (en) | 2001-11-01 | 2021-02-23 | Joled, Inc. | Display apparatus including organic electroluminescence devices |
JP2003203762A (ja) * | 2001-11-01 | 2003-07-18 | Sony Corp | 表示装置 |
US9716246B2 (en) | 2001-11-01 | 2017-07-25 | Joled Inc. | Display apparatus |
US7828617B2 (en) | 2001-11-01 | 2010-11-09 | Sony Corporation | Display apparatus |
US8896203B2 (en) | 2001-11-01 | 2014-11-25 | Sony Corporation | Display apparatus including a plurality of organic electroluminescent devices |
US10008688B2 (en) | 2001-11-01 | 2018-06-26 | Joled Inc. | Display apparatus including organic electroluminescence devices |
US8179038B2 (en) | 2001-11-01 | 2012-05-15 | Sony Corporation | Display apparatus |
US7071619B2 (en) | 2001-11-01 | 2006-07-04 | Sony Corporation | Display apparatus comprising temporary fixing portion adjacent an adhesive layer |
JP2003178876A (ja) * | 2001-12-07 | 2003-06-27 | Sony Corp | 自発光型表示装置 |
US7710027B2 (en) | 2002-05-10 | 2010-05-04 | Seiko Epson Corporation | Light emitting apparatus including resin banks and electronic device having same |
US7242140B2 (en) | 2002-05-10 | 2007-07-10 | Seiko Epson Corporation | Light emitting apparatus including resin banks and electronic device having same |
JPWO2003096758A1 (ja) * | 2002-05-10 | 2005-09-15 | セイコーエプソン株式会社 | 発光装置及び電子機器 |
WO2003096758A1 (fr) * | 2002-05-10 | 2003-11-20 | Seiko Epson Corporation | Dispositif electroluminescent et appareil electronique |
US7385655B2 (en) | 2002-09-02 | 2008-06-10 | Semiconductor Energy Laboratory Co., Ltd. | Electronic circuit device with optical sensors and optical shutters at specific locations |
JP2004111398A (ja) * | 2002-09-18 | 2004-04-08 | Samsung Nec Mobile Display Co Ltd | 光学共振効果を利用した有機電界発光素子 |
JP4580160B2 (ja) * | 2002-10-08 | 2010-11-10 | パイオニア株式会社 | 有機エレクトロルミネッセンスデバイス |
JP2004152751A (ja) * | 2002-10-08 | 2004-05-27 | Pioneer Electronic Corp | 有機エレクトロルミネッセンスデバイス |
JP2004164890A (ja) * | 2002-11-11 | 2004-06-10 | Sony Corp | 発光素子およびこれを用いた表示装置 |
KR101060379B1 (ko) * | 2002-11-11 | 2011-08-29 | 소니 주식회사 | 발광 소자 및 이것을 이용한 표시 장치 |
KR100704082B1 (ko) | 2002-11-26 | 2007-04-05 | 닛토덴코 가부시키가이샤 | 유기 전기 발광 소자, 면 광원 및 표시 장치 |
JP2004178930A (ja) * | 2002-11-26 | 2004-06-24 | Sony Corp | 発光素子およびこれを用いた表示装置 |
US7459726B2 (en) | 2003-02-12 | 2008-12-02 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device comprising a light emitting element and a light receiving element |
JP2004253390A (ja) * | 2003-02-18 | 2004-09-09 | Eastman Kodak Co | カラー有機発光表示装置 |
JP2004355975A (ja) * | 2003-05-29 | 2004-12-16 | Sony Corp | 表示装置の製造方法 |
WO2005002010A1 (ja) * | 2003-06-27 | 2005-01-06 | Semiconductor Energy Laboratory Co., Ltd. | 有機レーザー装置 |
US8283679B2 (en) | 2003-06-30 | 2012-10-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device having light-emitting element and light-receiving element for transmitting among circuits formed over the plurality of substrates |
US7812520B2 (en) | 2003-07-01 | 2010-10-12 | Semiconductor Energy Laboratory Co., Ltd. | Full color display based on organic light-emitting device |
JP2005116516A (ja) * | 2003-09-19 | 2005-04-28 | Sony Corp | 表示装置および表示装置の製造方法 |
US10347697B2 (en) | 2003-09-19 | 2019-07-09 | Sony Corporation | Display unit |
US9373672B2 (en) | 2003-09-19 | 2016-06-21 | Sony Corporation | Display unit |
US9123666B2 (en) | 2003-09-19 | 2015-09-01 | Sony Corporation | Display unit |
EP3151302A1 (en) | 2003-09-19 | 2017-04-05 | Sony Corporation | Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same |
US9627453B2 (en) | 2003-09-19 | 2017-04-18 | Sony Corporation | Display unit |
US9911792B2 (en) | 2003-09-19 | 2018-03-06 | Sony Corporation | Display unit |
JP2005093329A (ja) * | 2003-09-19 | 2005-04-07 | Sony Corp | 表示素子およびこれを用いた表示装置 |
US7973319B2 (en) | 2003-09-19 | 2011-07-05 | Sony Corporation | Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same |
EP3413369A1 (en) | 2003-09-19 | 2018-12-12 | Sony Corporation | Organic light emitting display |
EP3447816A1 (en) | 2003-09-19 | 2019-02-27 | Sony Corporation | Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same |
EP2975665A1 (en) | 2003-09-19 | 2016-01-20 | Sony Corporation | Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same |
US10916593B2 (en) | 2003-09-19 | 2021-02-09 | Sony Corporation | Display unit |
EP2509397A1 (en) | 2003-09-19 | 2012-10-10 | Sony Corporation | Display unit, method of manufacturing same, organic light emitting unit, and method of manufacturing same |
WO2005086540A1 (ja) * | 2004-03-05 | 2005-09-15 | Idemitsu Kosan Co., Ltd. | 有機エレクトロルミネッセンス素子及び表示装置 |
US8106582B2 (en) | 2004-03-05 | 2012-01-31 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence display device |
US7221090B2 (en) | 2004-05-18 | 2007-05-22 | Idemitsu Kosan Co., Ltd. | Blue organic electroluminescent device and display using same |
WO2005112521A1 (ja) * | 2004-05-18 | 2005-11-24 | Idemitsu Kosan Co., Ltd. | 青色系有機エレクトロルミネッセンス素子及び表示装置 |
JPWO2005112521A1 (ja) * | 2004-05-18 | 2008-03-27 | 出光興産株式会社 | 青色系有機エレクトロルミネッセンス素子及び表示装置 |
US8450755B2 (en) | 2004-09-24 | 2013-05-28 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device |
US8188491B2 (en) | 2004-09-24 | 2012-05-29 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device |
JP2011175984A (ja) * | 2004-09-24 | 2011-09-08 | Semiconductor Energy Lab Co Ltd | 発光装置 |
US8569948B2 (en) | 2004-12-28 | 2013-10-29 | Samsung Display Co., Ltd. | Electroluminescent devices and methods of making electroluminescent devices including an optical spacer |
JP2008525993A (ja) * | 2004-12-28 | 2008-07-17 | スリーエム イノベイティブ プロパティズ カンパニー | 光学スペーサーを含むエレクトロルミネセンスデバイスおよびその製造方法 |
US8633473B2 (en) | 2004-12-28 | 2014-01-21 | Semiconductor Energy Laboratory Co., Ltd. | High contrast light emitting device and method for manufacturing the same |
JP4871882B2 (ja) * | 2004-12-28 | 2012-02-08 | 三星モバイルディスプレイ株式會社 | 光学スペーサーを含むエレクトロルミネセンスデバイスおよびその製造方法 |
US9147820B2 (en) | 2004-12-28 | 2015-09-29 | Semiconductor Energy Laboratory Co., Ltd. | Light emitting device and method for manufacturing the same |
JP2006210330A (ja) * | 2004-12-28 | 2006-08-10 | Semiconductor Energy Lab Co Ltd | 発光装置及びその作製方法 |
US9918370B2 (en) | 2004-12-28 | 2018-03-13 | Samsung Display Co., Ltd. | Electroluminescent devices and methods of making electroluminescent devices including an optical spacer |
US8129712B2 (en) | 2005-02-28 | 2012-03-06 | Sanyo Electric Co., Ltd. | Organic EL panel |
JP2006236947A (ja) * | 2005-02-28 | 2006-09-07 | Sanyo Electric Co Ltd | 有機elパネル |
JP4573672B2 (ja) * | 2005-02-28 | 2010-11-04 | 三洋電機株式会社 | 有機elパネル |
US7956529B2 (en) | 2005-03-11 | 2011-06-07 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent color light-emitting apparatus with organic electroluminescent devices with adjusted optical distances between electrodes |
US7777413B2 (en) | 2005-03-17 | 2010-08-17 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent device having an optical resonator |
WO2006098188A1 (ja) * | 2005-03-17 | 2006-09-21 | Idemitsu Kosan Co., Ltd. | 有機エレクトロルミネッセンス素子 |
US7687986B2 (en) | 2005-05-27 | 2010-03-30 | Fujifilm Corporation | Organic EL device having hole-injection layer doped with metallic oxide |
JP2007012370A (ja) * | 2005-06-29 | 2007-01-18 | Sony Corp | 有機発光素子および有機発光装置 |
JP2007026867A (ja) * | 2005-07-15 | 2007-02-01 | Toshiba Matsushita Display Technology Co Ltd | 有機el表示装置 |
WO2007032526A1 (ja) * | 2005-09-15 | 2007-03-22 | Pioneer Corporation | 有機エレクトロルミネセンス表示パネル |
JP2011134726A (ja) * | 2005-09-26 | 2011-07-07 | Kyocera Corp | El装置 |
JP4732991B2 (ja) * | 2005-09-26 | 2011-07-27 | 京セラ株式会社 | El装置 |
JP2007115679A (ja) * | 2005-09-26 | 2007-05-10 | Kyocera Corp | El装置 |
US7671376B2 (en) | 2005-09-27 | 2010-03-02 | Seiko Epson Corporation | Light emitting apparatus, method of manufacturing light emitting apparatus, and electronic apparatus |
US11676990B2 (en) | 2005-09-30 | 2023-06-13 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device |
US9887236B2 (en) | 2005-09-30 | 2018-02-06 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device |
US11996436B2 (en) | 2005-09-30 | 2024-05-28 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device |
US9099374B2 (en) | 2005-09-30 | 2015-08-04 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device |
US7982385B2 (en) | 2005-09-30 | 2011-07-19 | Semiconductor Energy Laboratory Co., Ltd. | Display device with a plurality of picture elements and electronic device with display device |
US11211424B2 (en) | 2005-09-30 | 2021-12-28 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device |
US8278817B2 (en) | 2005-09-30 | 2012-10-02 | Semiconductor Energy Laboratory Co., Ltd. | Display device with a plurality of picture elements and electronic device with display device |
US10043849B2 (en) | 2005-09-30 | 2018-08-07 | Semiconductor Energy Laboratory Co., Ltd. | Display device and electronic device that expands color reproduction area by satisfying the surplus in the color gamut |
US8629612B2 (en) | 2005-09-30 | 2014-01-14 | Semiconductor Energy Laboratory Co., Ltd. | Display device with a plurality of pixels and electronic device with display device |
US10790329B2 (en) | 2005-09-30 | 2020-09-29 | Semiconductor Energy Laboratory Co., Ltd. | Display device with a plurality of pixels and electronic device with display device |
US7843134B2 (en) | 2005-10-31 | 2010-11-30 | Idemitsu Kosan Co., Ltd. | Organic EL emission devices connected in series |
JP5102625B2 (ja) * | 2005-10-31 | 2012-12-19 | 出光興産株式会社 | 有機el発光装置 |
WO2007052432A1 (ja) | 2005-10-31 | 2007-05-10 | Idemitsu Kosan Co., Ltd. | 有機el発光装置 |
US8462084B2 (en) | 2006-02-03 | 2013-06-11 | Sony Corporation | Display device and display unit |
US8368617B2 (en) | 2006-02-03 | 2013-02-05 | Sony Corporation | Display device and display unit |
US9461274B2 (en) | 2006-07-31 | 2016-10-04 | Sony Corporation | Organic light emitting device and display unit |
US9786869B2 (en) | 2006-07-31 | 2017-10-10 | Sony Corporation | Organic light emitting device and display unit |
US9093664B2 (en) | 2006-07-31 | 2015-07-28 | Sony Corporation | Organic light emitting device and display unit |
US9985250B2 (en) | 2006-07-31 | 2018-05-29 | Sony Corporation | Organic light emitting device and display unit |
US7750559B2 (en) | 2006-08-29 | 2010-07-06 | Canon Kabushiki Kaisha | Organic electroluminescent element array |
US8253325B2 (en) | 2006-09-07 | 2012-08-28 | Canon Kabushiki Kaisha | Organic light-emitting device with microcavity structure and differing semi-transparent layer materials |
US7843123B2 (en) | 2006-09-07 | 2010-11-30 | Canon Kabushiki Kaisha | OLED with semi-transparent layer |
JP2008108503A (ja) * | 2006-10-24 | 2008-05-08 | Fuji Electric Holdings Co Ltd | 白色発光有機el素子の製造方法 |
JP2007157732A (ja) * | 2007-01-29 | 2007-06-21 | Sony Corp | 発光素子およびこれを用いた表示装置 |
US9064450B2 (en) | 2007-03-14 | 2015-06-23 | Joled Inc. | Display device, method for driving display device, and electronic apparatus |
JP2007200904A (ja) * | 2007-03-23 | 2007-08-09 | Seiko Epson Corp | 発光装置 |
US8410686B2 (en) | 2007-08-17 | 2013-04-02 | Sony Corporation | Display device having lens portions for enhanced extraction of light |
JP2009070764A (ja) * | 2007-09-18 | 2009-04-02 | Seiko Epson Corp | 発光装置および電子機器 |
US7919916B2 (en) | 2007-09-18 | 2011-04-05 | Seiko Epson Corporation | Light-emitting device and electronic apparatus |
JP2009117343A (ja) * | 2007-10-18 | 2009-05-28 | Seiko Epson Corp | 発光装置及び電子機器 |
JP2009123404A (ja) * | 2007-11-13 | 2009-06-04 | Sony Corp | 表示装置 |
US8018149B2 (en) | 2008-01-11 | 2011-09-13 | Seiko Epson Corporation | Light-emitting apparatus including optical resonance structure and electronic apparatus |
US8076687B2 (en) | 2008-05-14 | 2011-12-13 | Seiko Epson Corporation | Light emitting device for improving the color purity of emitted light and electronic apparatus |
US8664677B2 (en) | 2008-07-29 | 2014-03-04 | Sony Corporation | Light-emitting element and organic electroluminescent display device |
JP2010186637A (ja) * | 2009-02-12 | 2010-08-26 | Sony Corp | 有機電界発光素子および表示装置 |
CN101859794A (zh) * | 2009-04-03 | 2010-10-13 | 索尼公司 | 显示装置及制造显示装置的方法 |
US9130190B2 (en) | 2009-04-03 | 2015-09-08 | Joled Inc. | Display and method of manufacturing the same |
US8766285B2 (en) | 2009-04-03 | 2014-07-01 | Sony Corporation | Self-luminous display and method of manufacturing the same |
CN102804921A (zh) * | 2009-06-11 | 2012-11-28 | 日本先锋公司 | 发光元件和显示装置 |
US8513874B2 (en) | 2009-06-11 | 2013-08-20 | Pioneer Corporation | Light emitting element and display apparatus |
CN102804921B (zh) * | 2009-06-11 | 2016-05-25 | 日本先锋公司 | 发光元件和显示装置 |
JP4880093B2 (ja) * | 2009-06-11 | 2012-02-22 | パイオニア株式会社 | 発光素子及び表示装置 |
WO2010143232A1 (ja) * | 2009-06-11 | 2010-12-16 | パイオニア株式会社 | 発光素子及び表示装置 |
US8563971B2 (en) | 2009-08-10 | 2013-10-22 | Sony Corporation | Light emitting device |
US8426847B2 (en) | 2009-08-10 | 2013-04-23 | Sony Corporation | Light emitting device |
US8330151B2 (en) | 2009-09-18 | 2012-12-11 | Udc Ireland Limited | Organic electroluminescent element |
JP2011082134A (ja) * | 2009-10-08 | 2011-04-21 | Samsung Mobile Display Co Ltd | 有機発光表示装置及びその製造方法 |
US9095033B2 (en) | 2009-10-09 | 2015-07-28 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence element |
JP2010034074A (ja) * | 2009-11-09 | 2010-02-12 | Sony Corp | 表示装置 |
JP2011103205A (ja) * | 2009-11-10 | 2011-05-26 | Sony Corp | 発光素子及びその製造方法 |
US8742446B2 (en) | 2009-11-10 | 2014-06-03 | Sony Corporation | Light emitting element and method of manufacturing the same |
US8334530B2 (en) | 2009-12-01 | 2012-12-18 | Sony Corporation | Light-emitting element and method for production thereof |
US8435829B2 (en) | 2009-12-01 | 2013-05-07 | Sony Corporation | Method for producing a light-emitting element |
US8841658B2 (en) | 2009-12-01 | 2014-09-23 | Sony Corporation | Light-emitting element |
US8760048B2 (en) | 2010-01-29 | 2014-06-24 | Sony Corporation | Organic layer including multiple reflective interfaces for light emitting illumination, and display apparatuses |
US8736161B2 (en) | 2010-01-29 | 2014-05-27 | Sony Corporation | Light-emitting device, illumination apparatus, and display apparatus |
US8227981B2 (en) | 2010-01-29 | 2012-07-24 | Sony Corporation | Light-emitting device, illumination apparatus, and display apparatus |
US8946684B2 (en) | 2010-01-29 | 2015-02-03 | Sony Corporation | Light-emitting device, illumination apparatus, and display apparatus |
US8373342B2 (en) | 2010-01-29 | 2013-02-12 | Sony Corporation | Light-emitting apparatus, illumination apparatus, and display apparatus |
US8860302B2 (en) | 2010-01-29 | 2014-10-14 | Sony Corporation | Light-emitting apparatus, illumination apparatus, and display apparatus |
US9761637B2 (en) | 2010-06-16 | 2017-09-12 | Sony Corporation | Display device |
US9054053B2 (en) | 2010-06-16 | 2015-06-09 | Sony Corporation | Display device and electronic device |
US11081529B2 (en) | 2010-06-16 | 2021-08-03 | Sony Corporation | Display device |
US10381415B2 (en) | 2010-06-16 | 2019-08-13 | Sony Corporation | Display device |
US11871634B2 (en) | 2010-06-16 | 2024-01-09 | Sony Corporation | Display device |
US9590024B2 (en) | 2010-06-29 | 2017-03-07 | Sony Corporation | Display device |
US9929227B2 (en) | 2010-06-29 | 2018-03-27 | Sony Corporation | Display device |
US8866133B2 (en) | 2010-06-29 | 2014-10-21 | Sony Corporation | Display device |
US8399892B2 (en) | 2010-06-29 | 2013-03-19 | Sony Corporation | Display device |
US10672855B2 (en) | 2010-06-29 | 2020-06-02 | Sony Corporation | Display device |
US10074712B2 (en) | 2010-06-29 | 2018-09-11 | Sony Corporation | Display device |
US9401321B2 (en) | 2010-06-29 | 2016-07-26 | Sony Corporation | Display device |
US10236316B2 (en) | 2010-08-17 | 2019-03-19 | Sony Corporation | Display device with separation member including steps |
US8772797B2 (en) | 2010-08-17 | 2014-07-08 | Sony Corporation | Display device with step configuration in the insulating layer |
US10644052B2 (en) | 2010-08-17 | 2020-05-05 | Sony Corporation | Display device with separation member including steps |
US9564475B2 (en) | 2010-08-17 | 2017-02-07 | Sony Corporation | Display device with separation member including steps |
US9985079B2 (en) | 2010-08-17 | 2018-05-29 | Sony Corporation | Display device with separation member including steps |
US10026766B2 (en) | 2010-08-17 | 2018-07-17 | Sony Corporation | Display device with separation member including steps |
US9312318B2 (en) | 2010-08-17 | 2016-04-12 | Sony Corporation | Display device with separation member including steps |
US8956899B2 (en) | 2010-08-17 | 2015-02-17 | Sony Corporation | Method of fabricating a display device with step configuration in the insulating layer |
JP2012074237A (ja) * | 2010-09-28 | 2012-04-12 | Toppan Printing Co Ltd | 有機el素子及びその製造方法 |
US8487335B2 (en) | 2011-03-17 | 2013-07-16 | Sony Corporation | Light emitting device, illumination apparatus and display apparatus |
US8809882B2 (en) | 2011-03-28 | 2014-08-19 | Sony Corporation | Light emitting element, illumination device, and display apparatus |
KR20140027141A (ko) | 2011-04-13 | 2014-03-06 | 이데미쓰 고산 가부시키가이샤 | 유기 전계발광 소자 |
US9368731B2 (en) | 2011-04-13 | 2016-06-14 | Idemitsu Kosan Co., Ltd. | Organic electroluminescence device |
US8829786B2 (en) | 2011-06-30 | 2014-09-09 | Canon Kabushiki Kaisha | Display apparatus |
US8835947B2 (en) | 2011-06-30 | 2014-09-16 | Canon Kabushiki Kaisha | Display apparatus |
JP2014013684A (ja) * | 2012-07-04 | 2014-01-23 | Panasonic Corp | 発光素子及び表示装置 |
WO2014020850A1 (en) | 2012-07-30 | 2014-02-06 | Sony Corporation | Light emitting device, display unit including the same, and electronic apparatus |
US9082733B2 (en) | 2012-07-31 | 2015-07-14 | Sony Corporation | Display unit and electronic apparatus |
US8907331B2 (en) | 2012-07-31 | 2014-12-09 | Sony Corporation | Display unit and electronic apparatus |
JP2015099774A (ja) * | 2013-11-18 | 2015-05-28 | エバーディスプレイ オプトロニクス(シャンハイ) リミテッド | Oled表示パネル及び当該oled表示パネルに用いられる青色光スペクトルの調整方法 |
US10700308B2 (en) | 2013-12-26 | 2020-06-30 | Toray Industries, Inc. | Aromatic amine compound, light-emitting element materials and light-emitting element |
WO2015096657A1 (zh) | 2013-12-26 | 2015-07-02 | 东丽先端材料研究开发(中国)有限公司 | 有机发光元件 |
US10483488B2 (en) | 2013-12-26 | 2019-11-19 | Toray Industries, Inc. | Organic light-emitting element |
KR20160103027A (ko) | 2013-12-26 | 2016-08-31 | 도레이 카부시키가이샤 | 유기 발광 소자 |
WO2015096658A1 (zh) | 2013-12-26 | 2015-07-02 | 东丽先端材料研究开发(中国)有限公司 | 芳香胺化合物、发光元件材料及发光元件 |
KR20160100330A (ko) | 2013-12-26 | 2016-08-23 | 도레이 카부시키가이샤 | 방향족 아민 화합물, 발광 소자 재료 및 발광 소자 |
JP2017503793A (ja) * | 2013-12-26 | 2017-02-02 | 東レ株式会社 | 芳香族アミン化合物、発光素子材料および発光素子 |
US9601709B2 (en) | 2015-03-18 | 2017-03-21 | Samsung Display Co., Ltd. | Organic light emitting display panel and method of manufacturing the same |
US10056434B2 (en) | 2015-03-18 | 2018-08-21 | Samsung Display Co., Ltd. | Organic light emitting display panel and method of manufacturing the same |
US11145843B2 (en) | 2016-04-07 | 2021-10-12 | Samsung Display Co., Ltd. | Organic light emitting diode |
US11569484B2 (en) | 2016-04-07 | 2023-01-31 | Samsung Display Co., Ltd. | Organic light emitting diode |
US10084157B2 (en) | 2016-04-07 | 2018-09-25 | Samsung Display Co., Ltd. | Organic light emitting diode |
US10581023B2 (en) | 2016-04-07 | 2020-03-03 | Samsung Display Co., Ltd. | Organic light emitting diode |
US10103346B2 (en) | 2016-10-13 | 2018-10-16 | Samsung Display Co., Ltd. | Organic light emitting diode display device and manufacturing method thereof |
US10381522B2 (en) | 2016-11-14 | 2019-08-13 | Samsung Display Co., Ltd. | Light emitting diode |
US10205126B2 (en) | 2016-11-29 | 2019-02-12 | Joled Inc. | Light emission device including light extraction plane and a plurality of reflection interfaces, display apparatus including the light emission device, and illumination apparatus including the light emission device |
US11871649B2 (en) | 2017-08-16 | 2024-01-09 | Samsung Display Co., Ltd. | Organic light-emitting device |
US10797268B2 (en) | 2017-10-20 | 2020-10-06 | Joled Inc. | Light-emitting device |
KR20200087758A (ko) | 2017-11-23 | 2020-07-21 | 도레이 카부시키가이샤 | 유기 발광 소자 |
WO2019100999A1 (zh) | 2017-11-23 | 2019-05-31 | 东丽先端材料研究开发(中国)有限公司 | 有机发光元件 |
US11296304B2 (en) | 2017-11-23 | 2022-04-05 | Toray Industries, Inc. | Organic light-emitting element |
US11075249B2 (en) | 2018-01-31 | 2021-07-27 | Sakai Display Products Corporation | Method for producing organic electroluminescent display device comprising polydiacetylene layers |
US11088348B2 (en) | 2018-01-31 | 2021-08-10 | Sakai Display Products Corporation | Method for producing organic electroluminescent display device comprising polydiacetylene layer |
KR20200115509A (ko) | 2018-01-31 | 2020-10-07 | 도레이 카부시키가이샤 | 방향족 아민 화합물, 캐핑층 재료 및 발광 소자 |
US10756303B2 (en) | 2018-05-11 | 2020-08-25 | Joled Inc. | Light emitting device |
US10909915B2 (en) | 2018-05-29 | 2021-02-02 | Joled Inc. | Light emitting device |
US11895866B2 (en) | 2018-11-27 | 2024-02-06 | Sony Group Corporation | Light emitting element, projection type display device, and planar light emitting device |
WO2020110665A1 (ja) | 2018-11-27 | 2020-06-04 | ソニー株式会社 | 発光素子、投影型表示装置及び面発光装置 |
US11495777B2 (en) | 2019-09-30 | 2022-11-08 | Joled Inc. | Self-luminous element, self-luminous panel, and self-luminous panel manufacturing method |
CN113972335A (zh) * | 2020-07-23 | 2022-01-25 | Tcl科技集团股份有限公司 | 发光器件以及调制发光器件发射峰的方法 |
WO2022220103A1 (ja) | 2021-04-13 | 2022-10-20 | キヤノン株式会社 | 発光装置、表示装置、光電変換装置、電子機器、照明装置、および移動体 |
Also Published As
Publication number | Publication date |
---|---|
US20060175966A1 (en) | 2006-08-10 |
US20070228943A1 (en) | 2007-10-04 |
EP1154676A4 (en) | 2008-08-20 |
EP2169738A3 (en) | 2012-11-07 |
US7102282B1 (en) | 2006-09-05 |
US7218049B2 (en) | 2007-05-15 |
KR100740793B1 (ko) | 2007-07-20 |
JP4730469B2 (ja) | 2011-07-20 |
EP1154676A1 (en) | 2001-11-14 |
JP2010212257A (ja) | 2010-09-24 |
KR20010101640A (ko) | 2001-11-14 |
EP2169738A2 (en) | 2010-03-31 |
EP2154737A2 (en) | 2010-02-17 |
EP2154737A3 (en) | 2012-06-20 |
US7710025B2 (en) | 2010-05-04 |
JP4174989B2 (ja) | 2008-11-05 |
TW466889B (en) | 2001-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2001039554A1 (en) | Display device | |
JP4655959B2 (ja) | 表示素子 | |
US6831409B2 (en) | Display device with minimal color deviation for various view angles | |
JP4573672B2 (ja) | 有機elパネル | |
US7755577B2 (en) | Electroluminescent device | |
EP1443806A1 (en) | Organic electric field light emitting device | |
JPWO2011055440A1 (ja) | 表示装置 | |
KR20020096893A (ko) | 표시장치 | |
JP4548404B2 (ja) | 表示装置 | |
US20110068361A1 (en) | High performance light-emitting devices | |
JP2007157732A (ja) | 発光素子およびこれを用いた表示装置 | |
KR20070085709A (ko) | 유기 전계 발광 다이오드 및 광 추출을 촉진하는비반사층을 가지는 다이오드 패널 | |
US8227976B2 (en) | Display apparatus | |
JP3944906B2 (ja) | 発光素子およびこれを用いた表示装置 | |
KR20120106573A (ko) | 발광 소자, 조명 장치 및 표시 장치 | |
US8188500B2 (en) | Organic light-emitting element and light-emitting device using the same | |
JP2013051155A (ja) | 有機el素子 | |
KR20120110008A (ko) | 발광 소자, 조명 장치 및 표시 장치 | |
KR20150076000A (ko) | 유기 발광 표시 장치 및 그 제조 방법 | |
JP7495401B2 (ja) | 複数個の青色放射層を有するマルチモーダルマイクロキャビティoled | |
JP2011141965A (ja) | 有機el素子および表示装置 | |
DE DK et al. | published in accordance with Art. 158 (3) EPC |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
ENP | Entry into the national phase |
Ref document number: 2001 540568 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000977858 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020017009233 Country of ref document: KR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 09889532 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2000977858 Country of ref document: EP |