JP7289681B2 - 表示装置 - Google Patents
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- JP7289681B2 JP7289681B2 JP2019052169A JP2019052169A JP7289681B2 JP 7289681 B2 JP7289681 B2 JP 7289681B2 JP 2019052169 A JP2019052169 A JP 2019052169A JP 2019052169 A JP2019052169 A JP 2019052169A JP 7289681 B2 JP7289681 B2 JP 7289681B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/30—Active-matrix LED displays
- H10H29/49—Interconnections, e.g. wiring lines or terminals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
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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
-
- 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]
-
- 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]
- G09G3/3225—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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/30—Active-matrix LED displays
- H10H29/34—Active-matrix LED displays characterised by the geometry or arrangement of subpixels within a pixel, e.g. relative disposition of the RGB subpixels
- H10H29/345—Active-matrix LED displays characterised by the geometry or arrangement of subpixels within a pixel, e.g. relative disposition of the RGB subpixels the area of the subpixels being different
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/30—Active-matrix LED displays
- H10H29/37—Pixel-defining structures, e.g. banks between the LEDs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/30—Active-matrix LED displays
- H10H29/39—Connection of the pixel electrodes to the driving transistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/30—Active-matrix LED displays
- H10H29/41—Insulating layers formed between the driving transistors and the LEDs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/80—Constructional details
- H10H29/832—Electrodes
- H10H29/8321—Electrodes characterised by their shape
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of El Displays (AREA)
- Led Device Packages (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
なお、式(1)において、Coxは単位面積当たりのゲート静電容量、μはキャリア移動度、Wは駆動トランジスタDRTのチャネル幅、Lは駆動トランジスタDRTのチャネル長である。また、Vsigは、上記した画像信号Vsigを表しており、副画素SPに書き込まれる書き込み電圧値である。Viniは、上記した初期化電位を表しており、オフセットキャンセル(Vth補正)時の駆動トランジスタDRTのゲート電圧値である。また、Csは上記した保持容量Csの値であり、Cadは上記した補助容量(追加容量)Cadの値であり、Cledは上記した素子容量Cledの値である。
で表される。
この場合、図18に示すように、式(3)によって表される駆動トランジスタDRTのソース電極の電位が上昇し、発光素子LEDに電流が流れ始めた後、Idrt=Iledとなったところで、当該駆動トランジスタDRTのソース電極の電位上昇が止まり、定常状態となる。詳細については省略するが、この電流Iled(Idrt)は上記した式(1)によって表されるため、発光素子LEDにはVthに依存しない電流が流れることになる。
Claims (9)
- 基板と、
前記基板上に形成された複数の画素と、を有し、
前記複数の画素はそれぞれ、
前記基板上に配置された画素電極と、
前記画素電極上に実装された発光素子と、
前記画素電極を介して前記発光素子に対して供給される電流を制御する駆動トランジスタと、
前記画素電極と前記駆動トランジスタとの間に、平面視において当該画素電極と少なくとも一部が重畳するように形成された導電層と
を具備し、
前記導電層は、前記複数の画素に亘って形成されており、平面視において前記発光素子が実装されている前記画素電極の領域と重畳する位置に形成された開口部を有し、前記平面視において前記発光素子が実装されている前記画素電極の領域と重畳しない
表示装置。 - 前記導電層の端部は、前記発光素子が実装されている前記画素電極の領域の端部と平面視において交差しない請求項1記載の表示装置。
- 前記複数の画素の各々に含まれる前記画素電極のうちの少なくとも1つは、平面視において非矩形状に形成されており、
前記複数の画素の各々に含まれる前記画素電極と前記駆動トランジスタとを電気的に接続するコンタクト部は、平面視において第1方向に延在する直線状に配置されており、
前記複数の画素の各々に含まれる前記画素電極の前記発光素子が実装されている領域のうちの少なくとも1つは、平面視において他の画素電極の前記発光素子が実装されている領域が配置されている第2方向に延在する直線状に配置されない
請求項1記載の表示装置。 - 前記複数の画素の各々に含まれる前記画素電極は、平面視において矩形状に形成されており、
前記複数の画素の各々に含まれる前記画素電極と前記駆動トランジスタとを電気的に接続するコンタクト部は、平面視において第1方向に延在する直線状に配置されており、
前記複数の画素の各々に含まれる前記画素電極の前記発光素子が実装されている領域は、平面視において第2方向に延在する直線状に配置されている
請求項1記載の表示装置。 - 前記発光素子を介して前記画素電極と対向する位置に配置された対向電極を具備する請求項1~4のいずれか一項に記載の表示装置。
- 基板と、
前記基板上に形成された複数の画素と、を有し、
前記複数の画素はそれぞれ、
前記基板上に配置された画素電極と、
前記画素電極と同じ層に配置された共通電極と、
前記画素電極及び前記共通電極上に実装された発光素子と、
前記画素電極を介して前記発光素子に対して供給される電流を制御する駆動トランジスタと、
前記画素電極及び前記共通電極が配置されている層と前記駆動トランジスタとの間に、平面視において当該画素電極及び当該共通電極と少なくとも一部が重畳するように形成された導電層と
を具備し、
前記導電層は、平面視において前記発光素子が実装されている前記画素電極及び前記共通電極の領域と重畳せず、
前記共通電極は、前記複数の画素に亘って形成されており、
前記複数の画素の各々に含まれる画素電極は、前記共通電極に形成された開口部に配置されている
表示装置。 - 前記導電層は、前記複数の画素に亘って形成されており、前記平面視において前記発光素子が実装されている前記画素電極及び前記共通電極の領域と重畳しない位置に形成された開口部を有する
請求項6記載の表示装置。 - 前記導電層の端部は、前記発光素子が実装されている前記画素電極及び前記共通電極の領域の端部と平面視において交差しない請求項6または7記載の表示装置。
- 前記複数の画素の各々に含まれる前記画素電極は、平面視において矩形状に形成されており、
前記複数の画素の各々に含まれる前記画素電極と前記駆動トランジスタとを電気的に接続するコンタクト部は、平面視において第1方向に延在する直線状に配置されており、
前記複数の画素の各々に含まれる前記画素電極及び前記共通電極の前記発光素子が実装されている領域は、平面視において第2方向に延在する直線状に配置されている
請求項6記載の表示装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019052169A JP7289681B2 (ja) | 2019-03-20 | 2019-03-20 | 表示装置 |
| PCT/JP2020/003536 WO2020189047A1 (ja) | 2019-03-20 | 2020-01-30 | 表示装置 |
| US17/476,953 US20220005994A1 (en) | 2019-03-20 | 2021-09-16 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019052169A JP7289681B2 (ja) | 2019-03-20 | 2019-03-20 | 表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020154117A JP2020154117A (ja) | 2020-09-24 |
| JP7289681B2 true JP7289681B2 (ja) | 2023-06-12 |
Family
ID=72520139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019052169A Active JP7289681B2 (ja) | 2019-03-20 | 2019-03-20 | 表示装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20220005994A1 (ja) |
| JP (1) | JP7289681B2 (ja) |
| WO (1) | WO2020189047A1 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7341742B2 (ja) * | 2019-06-17 | 2023-09-11 | キヤノン株式会社 | 発光素子 |
| KR102914752B1 (ko) * | 2020-04-08 | 2026-01-16 | 엘지디스플레이 주식회사 | 투명 마이크로 디스플레이 장치 |
| KR102847344B1 (ko) * | 2020-05-28 | 2025-08-18 | 삼성디스플레이 주식회사 | 유기발광 디스플레이 장치 |
| JP2021196510A (ja) * | 2020-06-15 | 2021-12-27 | 株式会社ジャパンディスプレイ | 表示装置 |
| KR102912958B1 (ko) * | 2020-07-03 | 2026-01-15 | 엘지전자 주식회사 | 마이크로 led를 이용한 디스플레이 장치 |
| CN114446187B (zh) * | 2020-11-03 | 2023-06-27 | 成都辰显光电有限公司 | 驱动背板、显示面板及其制备方法 |
| JP7585048B2 (ja) * | 2021-01-05 | 2024-11-18 | 株式会社ジャパンディスプレイ | 表示装置の製造方法 |
| US20240355789A1 (en) * | 2021-09-09 | 2024-10-24 | Sony Semiconductor Solutions Corporation | Light emitting element array, light emitting device, electronic device, and photonic crystal structure |
| KR20230050545A (ko) * | 2021-10-07 | 2023-04-17 | 삼성디스플레이 주식회사 | 표시 장치 |
| CN121058350A (zh) * | 2023-05-04 | 2025-12-02 | 紫芯集成电路系统有限公司 | 用于led显示器的单pcb上集成控制器/驱动器模块的系统和方法 |
| CN121058368A (zh) * | 2024-03-29 | 2025-12-02 | 京东方科技集团股份有限公司 | 发光组件及其制备方法、显示基板 |
| WO2026074635A1 (ja) * | 2024-10-02 | 2026-04-09 | シャープ株式会社 | 表示装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008102214A (ja) | 2006-10-17 | 2008-05-01 | Toshiba Matsushita Display Technology Co Ltd | アクティブマトリクス型表示装置 |
| US20170336690A1 (en) | 2016-05-20 | 2017-11-23 | Innolux Corporation | Display apparatus |
| US20170358503A1 (en) | 2016-06-14 | 2017-12-14 | Innolux Corporation | Display device and method of manufacturing the display device |
| WO2019049360A1 (ja) | 2017-09-11 | 2019-03-14 | 凸版印刷株式会社 | 表示装置及び表示装置基板 |
| WO2019235147A1 (ja) | 2018-06-07 | 2019-12-12 | 株式会社ジャパンディスプレイ | 表示装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102483229B1 (ko) * | 2015-12-31 | 2022-12-29 | 엘지디스플레이 주식회사 | 유기발광 표시장치 |
| JP6701781B2 (ja) * | 2016-02-15 | 2020-05-27 | セイコーエプソン株式会社 | 電気光学装置、および電子機器 |
| KR102617466B1 (ko) * | 2016-07-18 | 2023-12-26 | 주식회사 루멘스 | 마이크로 led 어레이 디스플레이 장치 |
| JP6821775B2 (ja) * | 2018-12-27 | 2021-01-27 | エルジー ディスプレイ カンパニー リミテッド | ストレッチャブル表示装置 |
| JP2020134716A (ja) * | 2019-02-20 | 2020-08-31 | 株式会社ジャパンディスプレイ | 表示装置 |
-
2019
- 2019-03-20 JP JP2019052169A patent/JP7289681B2/ja active Active
-
2020
- 2020-01-30 WO PCT/JP2020/003536 patent/WO2020189047A1/ja not_active Ceased
-
2021
- 2021-09-16 US US17/476,953 patent/US20220005994A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008102214A (ja) | 2006-10-17 | 2008-05-01 | Toshiba Matsushita Display Technology Co Ltd | アクティブマトリクス型表示装置 |
| US20170336690A1 (en) | 2016-05-20 | 2017-11-23 | Innolux Corporation | Display apparatus |
| US20170358503A1 (en) | 2016-06-14 | 2017-12-14 | Innolux Corporation | Display device and method of manufacturing the display device |
| WO2019049360A1 (ja) | 2017-09-11 | 2019-03-14 | 凸版印刷株式会社 | 表示装置及び表示装置基板 |
| WO2019235147A1 (ja) | 2018-06-07 | 2019-12-12 | 株式会社ジャパンディスプレイ | 表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020154117A (ja) | 2020-09-24 |
| US20220005994A1 (en) | 2022-01-06 |
| WO2020189047A1 (ja) | 2020-09-24 |
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