JP2010249935A - 表示装置 - Google Patents
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- JP2010249935A JP2010249935A JP2009097083A JP2009097083A JP2010249935A JP 2010249935 A JP2010249935 A JP 2010249935A JP 2009097083 A JP2009097083 A JP 2009097083A JP 2009097083 A JP2009097083 A JP 2009097083A JP 2010249935 A JP2010249935 A JP 2010249935A
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- 229910052751 metal Inorganic materials 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 41
- 239000003990 capacitor Substances 0.000 claims description 40
- 238000005070 sampling Methods 0.000 claims description 22
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- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 17
- 239000010408 film Substances 0.000 description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 14
- 239000010703 silicon Substances 0.000 description 14
- 239000010409 thin film Substances 0.000 description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
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- 206010047571 Visual impairment Diseases 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- 230000001747 exhibiting effect Effects 0.000 description 1
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- 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
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1216—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being capacitors
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1255—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs integrated with passive devices, e.g. auxiliary capacitors
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- 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
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
-
- 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
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
-
- 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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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- G—PHYSICS
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- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0852—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory with more than one capacitor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
- G09G2300/0866—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes by means of changes in the pixel supply voltage
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
【解決手段】ELパネル100において、アノード電極78と駆動用トランジスタのソース電極75との接続部であるコンタクト部78cと、ソース電極75と多結晶シリコン膜74との接続部であるコンタクト部75cが、平面方向で同一の位置に配置されている。コンタクト部75cを形成しているソース電極75の上側の膜面は平坦面を有し、その平坦面上で、ソース電極75とアノード電極78がコンタクト部78cとして接続されている。また、コンタクト部78cを形成している同一平面上の、ソース電極75側の平坦面の開口幅L1は、アノード電極78の平坦面の開口幅L2よりも大となっている。これにより、レイアウト面積を小さくし、かつ、コンタクト不良を防止することができる。本発明は、例えば、ELパネルを用いた表示装置に適用できる。
【選択図】図9
Description
図1は、本発明を適用した表示装置の一実施の形態の構成例を示すブロック図である。
図2は、ELパネル100の各画素101が発光する色の配列を示している。
図3は、ELパネル100に含まれるN×M個の画素101のうちの1つの画素101を拡大することにより、画素101の等価回路(画素回路)の構成を示したブロック図である。
図4は、画素101の動作を説明するタイミングチャートである。
図5は、従来のELパネル100Xにおける画素101の駆動用トランジスタ32部分の断面図である。
従来は、図5に示されるように、アノード電極78とソース電極75の接続面であるコンタクト部78aと、ソース電極75と多結晶シリコン膜74との接続面であるコンタクト部75aが、平面方向で離れた位置に配置されていた。これは、導電層間を接続する傾斜部(以下、段差部という)の距離が長いと、段切れ等のコンタクト不良が発生する可能性が高くなるためである。段切れとは、図6に示されるように、段差部に形成される膜が薄くなり、断線することである。
図7は、従来のELパネル100Xを構成する画素101の平面図である。
[ELパネル100における画素101の駆動用トランジスタ32部分の断面図]
図8は、第1の実施の形態における画素101の駆動用トランジスタ32部分の断面図である。
そこで、コンタクト不良の発生をより抑制する、ELパネル100の画素101の第2の実施の形態について説明する。
図9は、第2の実施の形態における画素101の駆動用トランジスタ32部分の断面図である。
図10は、コンタクト部78cの上面図である。
図11は、第2の実施の形態におけるELパネル100の平面図である。なお、図11は、コンタクト部75cおよび78cの形状を四角形とした例である。
Claims (6)
- 自発光素子により発光する画素が行列状に複数配置されているパネルを有し、
前記パネルは、第1乃至第3の導電層が支持基板上に順に積層されており、
前記第1の導電層と第2の導電層の第1のコンタクト部と、前記第2の導電層と前記第3の導電層の第2のコンタクト部が、平面方向で同一の位置に配置されている
表示装置。 - 前記第1のコンタクト部は、平坦面を有し、その平坦面上に、前記第2のコンタクト部が配置される
請求項1に記載の表示装置。 - 前記第1のコンタクト部の開口幅は、前記第2のコンタクト部の開口幅よりも大である
請求項2に記載の表示装置。 - 前記画素は、
ダイオード特性を有し、駆動電流に応じて発光する発光素子と、
映像信号をサンプリングするサンプリング用トランジスタと、
前記駆動電流を前記発光素子に供給する駆動用トランジスタと、
前記発光素子のアノード側と前記駆動用トランジスタのゲートに接続され、所定の電位を保持する蓄積容量と
を少なくとも有する
請求項3に記載の表示装置。 - 前記第1の導電層は、半導体層であり、
前記第2の導電層は、前記駆動用トランジスタのソース電極およびドレイン電極を形成する金属層であり、
前記第3の導電層は、前記発光素子のアノード電極を形成する金属層である
請求項4に記載の表示装置。 - 前記第3の導電層の材料には、銀を含む
請求項5に記載の表示装置。
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009097083A JP2010249935A (ja) | 2009-04-13 | 2009-04-13 | 表示装置 |
US12/659,441 US9123292B2 (en) | 2009-04-13 | 2010-03-09 | Display apparatus |
CN2010101565947A CN101859532B (zh) | 2009-04-13 | 2010-04-06 | 显示装置 |
CN201310120565.9A CN103198796B (zh) | 2009-04-13 | 2010-04-06 | 显示装置 |
CN201310120563.XA CN103198795B (zh) | 2009-04-13 | 2010-04-06 | 显示装置 |
US14/818,043 US9379144B2 (en) | 2009-04-13 | 2015-08-04 | Display apparatus |
US15/165,226 US9716133B2 (en) | 2009-04-13 | 2016-05-26 | Display apparatus |
US15/646,464 US10217805B2 (en) | 2009-04-13 | 2017-07-11 | Display apparatus |
US16/260,470 US10439014B2 (en) | 2009-04-13 | 2019-01-29 | Display apparatus |
US16/536,726 US10971569B2 (en) | 2009-04-13 | 2019-08-09 | Display apparatus |
US17/209,875 US11251248B2 (en) | 2009-04-13 | 2021-03-23 | Display apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009097083A JP2010249935A (ja) | 2009-04-13 | 2009-04-13 | 表示装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2010249935A true JP2010249935A (ja) | 2010-11-04 |
Family
ID=42933972
Family Applications (1)
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JP2010249935A (ja) | 2009-04-13 | 2010-11-04 | Sony Corp | 表示装置 |
KR101970574B1 (ko) | 2012-12-28 | 2019-08-27 | 엘지디스플레이 주식회사 | Oled 표시 장치 |
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CN106997747B (zh) * | 2017-05-27 | 2019-01-01 | 京东方科技集团股份有限公司 | 一种有机发光显示面板及显示装置 |
JP6914732B2 (ja) * | 2017-05-29 | 2021-08-04 | キヤノン株式会社 | 発光装置及び撮像装置 |
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US20150340387A1 (en) | 2015-11-26 |
CN103198796B (zh) | 2016-06-08 |
CN101859532A (zh) | 2010-10-13 |
US11251248B2 (en) | 2022-02-15 |
US20190157370A1 (en) | 2019-05-23 |
US9716133B2 (en) | 2017-07-25 |
US10439014B2 (en) | 2019-10-08 |
CN101859532B (zh) | 2013-05-15 |
CN103198795B (zh) | 2016-06-08 |
US9123292B2 (en) | 2015-09-01 |
US20100259468A1 (en) | 2010-10-14 |
US20210210576A1 (en) | 2021-07-08 |
US10217805B2 (en) | 2019-02-26 |
US20170040401A1 (en) | 2017-02-09 |
US9379144B2 (en) | 2016-06-28 |
CN103198796A (zh) | 2013-07-10 |
US10971569B2 (en) | 2021-04-06 |
US20170373126A1 (en) | 2017-12-28 |
US20200035772A1 (en) | 2020-01-30 |
CN103198795A (zh) | 2013-07-10 |
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