WO2015090010A1 - 有机电致发光显示面板及其制造方法、显示装置 - Google Patents
有机电致发光显示面板及其制造方法、显示装置 Download PDFInfo
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- WO2015090010A1 WO2015090010A1 PCT/CN2014/078944 CN2014078944W WO2015090010A1 WO 2015090010 A1 WO2015090010 A1 WO 2015090010A1 CN 2014078944 W CN2014078944 W CN 2014078944W WO 2015090010 A1 WO2015090010 A1 WO 2015090010A1
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- Prior art keywords
- layer
- light
- electrode layer
- display panel
- organic electroluminescent
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 238000002955 isolation Methods 0.000 claims abstract description 53
- 239000000758 substrate Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 23
- 238000002161 passivation Methods 0.000 claims description 23
- 238000005538 encapsulation Methods 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 7
- 229920005787 opaque polymer Polymers 0.000 claims description 6
- 238000009751 slip forming Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 15
- 238000005401 electroluminescence Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000003086 colorant Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- 239000010408 film Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- -1 or the like Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
- H10K50/8445—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
-
- 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
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- 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
- H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
-
- 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
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
Definitions
- Organic electroluminescence display panel manufacturing method thereof, and display device
- the present invention relates to the field of display panel technologies, and in particular, to an organic electroluminescence display panel, a method of manufacturing the same, and a display device. Background technique
- OLEDs have a self-luminous property that uses a very thin layer of organic material that illuminates when current is passed through it. OLEDs have the advantages of low power consumption, high brightness, fast response time, wide viewing angle, and light weight. Recently, they have been widely used in mobile communication terminals, personal digital assistants, and handheld computers.
- Each pixel of the OLED is generally divided into three red, green and blue light-emitting units, each of which generates a monochromatic light, and then uses three kinds of monochromatic lights of red, green and blue to form light of various colors to realize OLED. Full color display of the panel.
- the main object of the present invention is to provide an organic electroluminescence display panel, a manufacturing method thereof, and a display device, which can prevent mutual interference between light-emitting units of the OLED panel and improve the full-color display effect of the OLED.
- the present invention provides an organic electroluminescence display panel, comprising: a plurality of light emitting units, each of the light emitting units comprising: a first electrode layer, an organic light emitting layer disposed on the first electrode layer, and an organic light emitting layer a second electrode layer on the layer, wherein an optical isolating member is disposed between the plurality of light emitting units for isolating light emitted by each of the light emitting units.
- At least one of the first electrode layer, the organic light-emitting layer, and the second electrode layer of each of the light-emitting units is separated by the optical isolation member.
- An organic electroluminescence display panel further comprising a substrate, wherein the plurality of light emitting units are disposed on the substrate, wherein the first electrode layer, the organic light emitting layer, and the first The two electrode layers are sequentially disposed on the substrate, and the first electrode layers of the respective light emitting units are disconnected from each other with the optical isolation member interposed therebetween.
- the optical isolating member is protrudedly disposed between the respective light emitting units
- the optical isolation member is prepared from an opaque polymer composite material.
- the optical isolation member is fabricated from a black matrix material.
- each of the light emitting units is continuously disposed on each of the light insulating members between each of the second electrode layers of the respective light emitting units and each of the light emitting units;
- the organic light emitting layer is intermittently disposed over the second electrode between the respective light isolating members.
- a passivation layer is further disposed on the second electrode layer, and a color filter layer is disposed on the passivation layer at a position opposite to the second electrode.
- an encapsulation layer is further disposed on the color filter layer.
- a color filter layer is disposed on the second electrode layer between each of the optical isolation members.
- a passivation layer and an encapsulation layer are sequentially disposed on the second electrode layer.
- the present invention provides a display device comprising any one of the above-described organic electroluminescent display panels provided by the above technical solution.
- the present invention also provides a method of fabricating an organic electroluminescent display panel, comprising:
- first electrode layer Forming a first electrode layer on the substrate, the first electrode layer comprising at least two second electrodes spaced apart from each other;
- optical isolating member Forming an opaque optical isolating member between each of the second electrodes of the first electrode layer, the optical isolating member for isolating light emitted by each of the light emitting units to prevent the respective light emitting units from emitting light Interfere with each other;
- An organic light-emitting layer and a second electrode layer are sequentially formed on the substrate on which the first electrode layer and the optical spacer are formed.
- the optical isolation member is prepared from an opaque polymer composite material.
- the optical isolation member is made of a black matrix material.
- the sequentially forming the organic light-emitting layer and the second electrode layer on the substrate on which the first electrode layer and the optical isolation member are formed specifically includes: Forming a continuous organic light emitting layer on the substrate on which the first electrode layer and the optical isolating member are formed, the organic light emitting layer being continuously formed in each of the second electrodes and each of the optical isolating members Up; or
- the organic light-emitting layer Forming a discontinuous organic light-emitting layer on the substrate on which the first electrode layer and the optical isolation member are formed, the organic light-emitting layer intermittently forming the second electrode between each of the optical isolation members Above.
- the method further includes:
- a color filter layer is formed at a position opposite the second electrode over the passivation layer.
- the method further includes:
- An encapsulation layer is formed over the color filter layer.
- the method further includes: after sequentially forming the organic light-emitting layer and the second electrode layer on the substrate on which the first electrode layer and the optical isolation member are formed, the method further includes:
- a color filter layer is formed over the second electrode layer between each of the optical isolation members.
- the method further includes:
- a passivation layer and an encapsulation layer are sequentially disposed on the color filter layer.
- the organic electroluminescence display panel and the manufacturing method thereof and the display device provided by the embodiments of the present invention are provided with optical isolating members between the respective light emitting units, so that the respective optical isolating members can effectively isolate the organic light emitting layers emitted from the respective light emitting units. Light, to prevent mutual interference of light emission between the respective light-emitting units, thereby improving the full-color display effect of the OLED display panel.
- FIG. 1 is a schematic structural diagram of an organic electroluminescence display panel according to an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of another organic electroluminescent display panel according to an embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of another organic electroluminescent display panel according to an embodiment of the present invention.
- Fig. 4 is a flow chart showing a method of manufacturing an organic electroluminescence display panel according to an embodiment of the invention. detailed description
- an embodiment of the present invention provides an organic electroluminescent OLED display panel, including a substrate 1, a first electrode layer 2, an organic light-emitting layer 3, and a second electrode, which are sequentially disposed on the substrate 1.
- Layer 4 the first electrode layer 2 includes at least two second electrodes spaced apart from each other, each second electrode, an organic light-emitting layer 3 facing each second electrode, and a second opposite each second electrode
- the electrode layer 4 constitutes one light-emitting unit. For example, as shown in FIG.
- each broken-line frame can be regarded as one light-emitting unit; wherein, between the second electrodes of the first electrode layer 2, there is no A light-transmitting optical isolating member 9 for use as shown in FIGS. 1-3, the optical isolating member 9 being projectingly disposed between the respective light-emitting units to isolate light emitted by the respective light-emitting units.
- each of the second electrodes, the organic light-emitting layer 3 facing each second electrode, and the second electrode layer 4 facing each second electrode constitute one light-emitting unit
- An opaque optical isolating member 9 is disposed between each of the second electrodes, so that the opaque optical isolating members 9 can effectively isolate the light emitted by the organic luminescent layer 3 in each of the illuminating units to prevent the respective illuminating units.
- the mutual luminescence interferes with each other, thereby improving the full-color display effect of the OLED display panel.
- the optical isolation member 9 is a protrusion disposed between each of the second electrodes, and is mainly prepared by an opaque material, and specifically, may be Prepared from opaque polymer composites, such as black matrix materials.
- the optical isolating member 9 can function to isolate the light emitted by each of the light emitting units, and can also function as a positioning. The positioning function will be described in detail below.
- the OLED display panel may further include a thin film transistor layer 8 disposed between the substrate 1 and the first electrode layer 2.
- Each of the thin film transistor layers 8 corresponds to a second electrode.
- the second electrode can be charged and discharged. Therefore, each of the light emitting units is controlled by a TFT having a switching function, so that each of the light emitting units of the OLED display panel can be independently and selectively adjusted; specifically, the thin film transistor layer 8 passes Controlling the second electrode to control each of the light-emitting units is known in the prior art, and the present invention will not be described in detail herein.
- the second electrode in the first electrode layer 2 is connected to the power positive electrode, and the second electrode layer 4 is connected to the power negative electrode, and when the power is supplied to an appropriate voltage, the second electrode
- the positive electrode holes in the cathode and the cathode charges in the second electrode layer 4 meet and combine in the organic light-emitting layer 3, and excite the organic material in the organic light-emitting layer 3 to generate light.
- each of the second electrodes in the first electrode layer 2 may select a high work function material to suit the generation of holes.
- an indium tin oxide ITO or an indium oxide oxide IZO transparent conductive film material having semiconductor characteristics may be selected.
- the second electrode layer 4 may select a low power function material to suit the generation of electrons, for example, a metal material such as silver, aluminum, magnesium, calcium, barium, or the like, or a composite metal material such as magnesium-silver may be selected; preferably, The second electrode layer 4 is transparent. At present, the fabrication of the transparent metal material is already prior art. Therefore, the embodiment of the present invention will not describe in detail how to prepare the transparent second electrode layer 4.
- an appropriate material may be selected as the organic light-emitting layer 3 or a dye may be doped in the organic light-emitting layer 3 to obtain a desired light-emitting color.
- every three adjacent light-emitting units can emit red light, green light, and blue light, respectively, so that light of these three colors can be displayed; accordingly, red, green, and blue light are emitted.
- the organic light-emitting layer 3 in the unit can select materials that emit red, green, and blue light, respectively.
- the organic light-emitting layer 3 can select a material having strong fluorescence, good carrier transport performance, thermal stability, and chemical stability in a solid state.
- a green-emitting material can be selected from tris(8-hydroxyquinoline).
- Aluminum A1Q 3 in addition, by doping the host luminescent material, a material that emits red light and blue light can be obtained.
- a material which emits blue light can be obtained by doping A1Q 3 in NPB, and the prior art can already be doped by means of doping or the like.
- a material that emits red light, blue light, and white light is not described in detail in the embodiments of the present invention.
- the organic light-emitting layer 3 can also select a material that can emit white light, and then pass the color
- the color filter film obtains three primary colors, and then combines the three primary colors to realize color display.
- a passivation layer 6 may be disposed on the second electrode layer 4 to protect the second electrode layer 4 from being insulated from other substances, and then on the passivation layer 6 and second.
- a color filter layer 5 is disposed at a position where the electrodes face each other.
- the color filter layer 5 is composed of a plurality of sets of discontinuous color filters, and does not include a black matrix, and each of the color filters includes red, green, and blue filters, respectively.
- the light-emitting units in which they are placed emit red, green and blue light.
- the white light emitted by the organic light-emitting layer 3 passes through each set of color filters, and then red, green, and blue primary colors are generated, and then mixed into a color to realize full-color display.
- the specific material of the passivation layer 6 is not limited in the embodiment of the present invention.
- the passivation layer 6 may be a polymer material such as a resin, or an inorganic non-metal material such as silicon nitride SiN or silicon oxide SiO 2 .
- the opaque optical isolating member 9 since the opaque optical isolating member 9 has been used to isolate the light emitted by each of the light emitting units, it is not required between the color filters in the color filter layer 5.
- the black matrix is further disposed, thereby making the structure of the OLED display panel simpler, and the process of preparing the black matrix is saved, the preparation process is effectively simplified, and the manufacturing cost is saved.
- the organic light-emitting layer 3 may be continuously disposed on the first electrode layer 2 as shown in FIG. 1 and FIG. 2, that is, continuously disposed on each of the second electrodes and the respective optical isolation members. 9; above, as shown in FIG. 3, intermittently disposed on the first electrode layer 2, that is, intermittently disposed on the second electrode between the respective optical isolating members 9.
- the organic light-emitting layer can be ensured
- the light emitted from the third electrode layer 4 is emitted through the color filter layer 5, which is not limited in the present invention.
- the second electrode layer 4 may be continuously disposed on the organic light-emitting layer 3 as shown in FIG. 1-3; or may be intermittently disposed on the organic light-emitting layer 3, that is, intermittently disposed.
- the present invention is not limited as long as it can ensure that the light emitted from the organic light-emitting layer 3 is emitted through the second electrode layer 4 through the color filter layer 5.
- an encapsulation layer 7 may be further disposed on the color filter layer 5 to prevent erosion of the second electrode layer 4 or the organic light-emitting layer 3 by water or oxygen.
- the specific material of the encapsulation layer 7 is not limited in the embodiment of the present invention.
- the encapsulation layer 7 may be an inorganic non-metal material such as silicon nitride SiN or silicon oxide SiO 2 , or may be a polymer material such as a resin.
- the first electrode layer 2 may be provided with a reflective layer on the side close to the substrate 1 (not Shown, for example, a metal layer; thus, white light emitted by the organic light-emitting layer 3 will pass through the second electrode layer 4 through the color filter layer 5, or under the reflection of the reflective layer, will pass through the second electrode The layer 4 is emitted through the color filter layer 5.
- the color filter layer 5 may be directly disposed on the second electrode layer 4 between the respective optical isolation members 9, and then A passivation layer 6 and an encapsulation layer 7 are sequentially disposed on the color filter layer 5.
- each color filter in the color filter layer 5 is disposed only on the second electrode layer 4 between the respective optical isolation members 9, so that the optical isolation member 9 also functions as a positioning, that is, is set.
- the second electrode layer 4 it is only necessary to provide individual filters in the recesses between the respective optical isolating members 9, at which time the optical isolating members 9 are convex relative to the second electrodes, so that they are well positioned. effect.
- the embodiment of the present invention further provides a display device, including any of the organic electroluminescent display panels provided by the above embodiments, and thus all the technical effects described above can be achieved, and the present invention no longer Narration.
- an embodiment of the present invention further provides a method for manufacturing an organic electroluminescence display panel, which includes the following steps:
- first electrode layer on the substrate, the first electrode layer comprising at least two second electrodes spaced apart from each other;
- the optical isolating member is configured to isolate light emitted by each of the light emitting units to prevent the respective light emitting units Illumination interferes with each other;
- An organic light-emitting layer and a second electrode layer are sequentially formed on the substrate on which the first electrode layer and the optical isolation member are formed.
- each of the second electrodes, the organic light emitting layer facing each of the second electrodes, and the second electrode layer facing each of the second electrodes constitute a light emitting unit.
- the optical isolation member is prepared from an opaque polymer composite.
- the optical isolation member is made of a black matrix material.
- the sequentially forming the organic light-emitting layer and the second electrode layer on the substrate on which the first electrode layer and the optical isolation member are formed, as described in the above step S3, specifically includes:
- the method further includes:
- the method further includes:
- the method further includes:
- the method further includes:
- a passivation layer and an encapsulation layer are sequentially disposed on the color filter layer.
- each of the second electrodes, the organic light emitting layer facing each second electrode, and the second electrode layer facing each second electrode constitute a light emitting unit.
- opaque optical isolating members are disposed between the respective second electrodes, so that the opaque optical isolating members can effectively isolate the light emitted by the organic light emitting layers in the respective light emitting units to prevent between the respective light emitting units. The luminescence interferes with each other, thereby improving the full-color display effect of the OLED display panel.
- the optical isolation members are disposed between the first electrode layers 2 of the respective light emitting units
- the optical isolation members may be disposed between the second electrodes 4 or the organic light emitting layers 3 of the respective light emitting units, As long as the optical isolating member can isolate the light emitted by each of the light emitting units. Therefore, the scope of the invention should be determined by the scope of the claims.
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- Optics & Photonics (AREA)
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/435,399 US10199609B2 (en) | 2013-12-20 | 2014-05-30 | Organic electroluminescent display panel including light-isolating members, method for manufacturing the same and display apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201310711672.9A CN103700687A (zh) | 2013-12-20 | 2013-12-20 | 有机电致发光显示面板及其制造方法、显示装置 |
CN201310711672.9 | 2013-12-20 |
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WO2015090010A1 true WO2015090010A1 (zh) | 2015-06-25 |
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US (1) | US10199609B2 (zh) |
CN (1) | CN103700687A (zh) |
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CN103700687A (zh) * | 2013-12-20 | 2014-04-02 | 京东方科技集团股份有限公司 | 有机电致发光显示面板及其制造方法、显示装置 |
CN103985737B (zh) * | 2014-04-30 | 2016-09-07 | 京东方科技集团股份有限公司 | 一种有机电致发光器件、液晶显示装置及照明装置 |
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