JP6192431B2 - 有機el表示装置の駆動方法、及び有機el表示装置 - Google Patents
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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]
- G09G3/3225—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
-
- 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
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
-
- 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
-
- 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
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0262—The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0606—Manual adjustment
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
-
- 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
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Description
Claims (8)
- 有機EL表示装置の駆動方法であって、
前記有機EL表示装置は、
複数の画素がマトリクス状に配置され、
それぞれが駆動電流に応じて白色発光する発光層を有する発光素子と、
前記複数の画素のそれぞれの上に配置され、前記白色発光の一部を透過するカラーフィルタとを有し、
前記複数の画素に画像信号に応じた画素信号電圧を書き込む操作と、
記憶部から、前記発光素子の前記駆動電流と色温度との相関関係を読み出す操作と、
前記相関関係に応じて、所望の前記色温度で前記発光素子が発光するように、前記発光素子に供給する前記駆動電流を変化させる操作と、
前記駆動電流の変化前後にて発光輝度を維持するべく、前記駆動電流の変化に反比例して前記発光素子の発光デューティを変化させる操作と、を含み、
前記複数の画素はそれぞれ、信号線に接続されると共に、前記信号線の一端に設けられた第1スイッチを介して水平走査回路に接続され、前記信号線の他端に設けられた第2スイッチを介して発光基準信号生成回路に接続され、
前記画素信号電圧を書き込む操作は、前記水平走査回路によって、前記第1スイッチを介して行われ、
前記駆動電流を変化させる操作及び前記発光デューティを変化させる操作は、前記発光基準信号生成回路によって、前記第2スイッチを介して行われ、
第1の駆動電流に対する前記発光素子の前記白色発光の色温度は、第2の駆動電流に対する前記発光素子の前記白色発光の前記色温度と異なること、を特徴とする有機EL表示装置の駆動方法。 - 請求項1において、
前記発光層は、互いに異なる色の発光材料を含んだ複数の色別発光層を積層してなるこ
と、を特徴とする有機EL表示装置の駆動方法。 - 請求項2において、
前記発光素子は、異なる色の複数の発光ユニットを直列接続したタンデム構造であること、を特徴とする有機EL表示装置の駆動方法。 - 請求項2又は請求項3において、
前記発光層における前記複数の発光材料の含有量は、発光色の波長が短いものほど多いこと、を特徴とする有機EL表示装置の駆動方法。 - 複数の画素がマトリクス状に配置され、
それぞれが駆動電流に応じて白色発光する発光層を有する発光素子と、
前記複数の画素のそれぞれの上に配置され、前記白色発光の一部を透過するカラーフィルタと、
発光制御パルスのパルス電圧と前記駆動電流に応じて変化する前記発光素子の発光色との相関関係を記憶した記憶部と、
前記複数の画素に画像信号に応じた画素信号電圧を書き込む水平走査回路と、
パルス幅が発光デューティを規定する前記発光制御パルスを生成する回路であって、前記相関関係に基づき前記発光色に対応する前記パルス電圧を設定し、前記パルス電圧の変更に対し、当該パルス電圧に応じた前記駆動電流の変化に反比例して前記パルス幅を変化させる発光基準信号生成回路と、を有し、
前記複数の画素はそれぞれ、
前記水平走査回路によって前記画素信号電圧が書き込まれた後、前記発光基準信号生成回路から前記発光制御パルスを入力され、前記画素信号電圧と前記パルス電圧とに応じた電流密度の前記駆動電流を、前記パルス幅に応じた期間、前記発光素子に供給する画素回路を有し、
前記画素回路は、信号線に接続されると共に、前記信号線の一端に設けられた第1スイッチを介して前記水平走査回路に接続され、前記信号線の他端に設けられた第2スイッチを介して前記発光基準信号生成回路に接続され、
第1の駆動電流に対する前記発光素子の前記白色発光の色温度は、第2の駆動電流に対する前記発光素子の前記白色発光の前記色温度と異なること、を特徴とする有機EL表示装置。 - 請求項5において、
前記発光層は、互いに異なる色の発光材料を含んだ複数の色別発光層を積層してなること、を特徴とする有機EL表示装置。 - 請求項6において、
前記発光素子は、異なる色の複数の発光ユニットを直列接続したタンデム構造であること、を特徴とする有機EL表示装置。 - 請求項6又は請求項7において、
前記発光層における前記複数の発光材料の含有量は、発光色の波長が短いものほど多いこと、を特徴とする有機EL表示装置。
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JP2013171597A JP6192431B2 (ja) | 2013-08-21 | 2013-08-21 | 有機el表示装置の駆動方法、及び有機el表示装置 |
US14/463,700 US20150054815A1 (en) | 2013-08-21 | 2014-08-20 | Driving method of organic el display device and organic el display device |
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JP2015040961A5 JP2015040961A5 (ja) | 2016-10-06 |
JP6192431B2 true JP6192431B2 (ja) | 2017-09-06 |
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US9936560B2 (en) * | 2014-06-26 | 2018-04-03 | Nec Lighting, Ltd. | Organic EL panel control device, light source device, organic EL panel control method, program, and recording medium |
KR20160022973A (ko) * | 2014-08-20 | 2016-03-03 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치의 구동 방법 및 유기 발광 표시 장치 |
KR102294413B1 (ko) * | 2014-11-18 | 2021-08-27 | 삼성디스플레이 주식회사 | 유기발광 표시장치 |
JP2018063351A (ja) * | 2016-10-13 | 2018-04-19 | 株式会社ジャパンディスプレイ | 有機el表示装置及び有機el表示装置の駆動方法 |
JP6768598B2 (ja) * | 2017-06-12 | 2020-10-14 | 株式会社Joled | 表示パネルの制御装置、表示装置および表示パネルの駆動方法 |
JP6767939B2 (ja) * | 2017-07-04 | 2020-10-14 | 株式会社Joled | 表示パネルの制御装置、表示装置および表示パネルの駆動方法 |
CN109377956B (zh) | 2018-12-03 | 2020-05-12 | 惠科股份有限公司 | 保护电路和供电电路 |
CN113287369B (zh) * | 2019-01-15 | 2024-09-13 | 索尼半导体解决方案公司 | 显示设备、显示设备的制造方法以及电子仪器 |
US11362133B2 (en) * | 2019-09-11 | 2022-06-14 | Jade Bird Display (shanghai) Limited | Multi-color LED pixel unit and micro-LED display panel |
US20220375987A1 (en) * | 2019-09-11 | 2022-11-24 | Jade Bird Display (shanghai) Limited | Multi-color led pixel unit and micro-led display panel |
CN111508379A (zh) | 2020-06-15 | 2020-08-07 | 合肥维信诺科技有限公司 | 可折叠显示面板及可折叠显示装置 |
KR20220060415A (ko) * | 2020-11-04 | 2022-05-11 | 엘지디스플레이 주식회사 | 데이터 구동 회로 및 디스플레이 장치 |
CN113110817B (zh) * | 2021-04-08 | 2023-06-20 | Oppo广东移动通信有限公司 | 环境光亮度的确定方法、装置、终端及存储介质 |
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JP2003234181A (ja) * | 2002-02-08 | 2003-08-22 | Denso Corp | 表示装置及び表示装置の駆動方法 |
WO2004100118A1 (ja) * | 2003-05-07 | 2004-11-18 | Toshiba Matsushita Display Technology Co., Ltd. | El表示装置およびその駆動方法 |
TWI267822B (en) * | 2004-04-30 | 2006-12-01 | Fuji Photo Film Co Ltd | Organic electroluminescence device that can adjust chromaticity |
WO2005109541A1 (en) * | 2004-05-11 | 2005-11-17 | Koninklijke Philips Electronics N.V. | Color tunable white light emitting electroluminescent device |
JP2006210848A (ja) * | 2005-01-31 | 2006-08-10 | Toyota Industries Corp | 発光装置及び有機エレクトロルミネッセンス素子の駆動方法 |
FR2931296B1 (fr) * | 2008-05-13 | 2013-04-26 | Commissariat Energie Atomique | Circuit de controle d'un pixel a coordonnees chromatiques variables |
KR101352290B1 (ko) * | 2008-09-30 | 2014-01-16 | 엘지디스플레이 주식회사 | 유기발광다이오드 표시소자 |
WO2010140549A1 (ja) * | 2009-06-03 | 2010-12-09 | コニカミノルタホールディングス株式会社 | 有機エレクトロルミネッセンス素子、その駆動方法、及びこれらを含有する照明装置 |
JP5407907B2 (ja) * | 2010-01-29 | 2014-02-05 | ソニー株式会社 | 発光素子、照明装置および表示装置 |
US8866416B2 (en) * | 2011-05-04 | 2014-10-21 | Universal Display Corporation | Illumination source using LEDs and OLEDs |
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2013
- 2013-08-21 JP JP2013171597A patent/JP6192431B2/ja active Active
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US20150054815A1 (en) | 2015-02-26 |
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