JP2006285236A - 発光表示装置及びその駆動方法 - Google Patents
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
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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
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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
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
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- Biodiversity & Conservation Biology (AREA)
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- Marine Sciences & Fisheries (AREA)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
【解決手段】複数の走査信号、複数の発光制御信号、及び複数のデータ信号の伝達を受けて映像を表現する画素を含む画素部と、前記複数の走査信号及び前記複数の発光制御信号を前記画素部に伝達する走査駆動部と、ビデオデータの伝達を受けて前記複数のデータ信号を生成して前記画素部に伝達するデータ駆動部と、前記画素部の輝度を制限する輝度制御部と、前記輝度制御部は、一フレーム区間でビデオデータを合算したフレームデータを生成して前記フレームデータの大きさによって画素部の輝度の制限範囲を決定し、前記発光制御信号が一フレーム区間に複数の発光区間を持つようにする。
【選択図】図2
Description
110 画素、
200 輝度制御部、
210 データ合算部、
220 ルックアップテーブル、
230 輝度制御駆動部、
300 データ駆動部、
400 走査駆動部、
500 電源供給部。
Claims (8)
- 複数の走査信号、複数の発光制御信号、及び複数のデータ信号の伝達を受けて映像を表現する画素を含む画素部と、
前記複数の走査信号及び前記複数の発光制御信号を前記画素部に伝達する走査駆動部と、
ビデオデータの伝達を受けて前記複数のデータ信号を生成して前記画素部に伝達するデータ駆動部と、
前記画素部の輝度を制限する輝度制御部と 、
前記輝度制御部は、一フレーム区間で前記ビデオデータを合算したフレームデータを生成して前記フレームデータの大きさによって画素部の輝度の制限範囲を決定し、前記発光制御信号が一フレーム区間に複数の発光区間を持つようにすることを特徴とする発光表示装置。 - 複数の走査信号と複数の発光制御信号と複数のデータ信号の伝達を受けて映像を表現する画素とを含む画素部と、
前記複数の走査信号及び前記複数の発光制御信号を前記画素部に伝達する走査駆動部と、
ビデオデータの伝達を受けて前記複数のデータ信号を生成して前記画素部に伝達するデータ駆動部と、
前記画素部の輝度を制限する輝度制御部と、
前記輝度制御部の出力によって前記発光制御信号を制御する発光制御部と、を含み、
前記輝度制御部は、一フレーム区間で前記ビデオデータを合算したフレームデータを生成して前記フレームデータの大きさによって画素部の輝度の制限範囲を決定し、
前記発光制御部は、前記制限範囲によって一フレームの区間に前記発光制御信号の発光区間の数を決定することを特徴とする発光表示装置。 - 前記輝度制御部は、
前記フレーム区間にあたる前記ビデオデータを合算して前記フレームデータを生成するデータ合算部と、
前記フレームデータによって前記画素の発光時間に対する発光情報を格納するルックアップテーブルと、
前記発光情報によって前記発光制御信号を制御する輝度制御信号を伝達する輝度制御駆動部と、
を含むことを特徴とする請求項1または2に記載の発光表示装置。 - 前記画素部の輝度は、
前記画素が発光する時間によって調節されることを特徴とする請求項1に記載の発光表示装置。 - 前記走査駆動部は、前記走査信号を伝達する走査駆動回路及び前記発光制御信号を伝達する発光制御駆動回路に区分され、
前記発光制御駆動回路は、前記輝度制御信号の入力を受けて前記発光制御信号を生成することを特徴とする請求項1または2に記載の発光表示装置。 - 一フレーム区間に入力されるビデオデータの合算であるフレームデータを把握する段階と、
前記フレームデータの大きさが所定の大きさ以上であれば画素部の輝度を制限し、前記フレームデータの大きさが所定の大きさ未満であれば前記画素部の輝度を制限しない段階と、
前記画素部の輝度制限範囲を把握して前記輝度制限範囲が所定の大きさを超えれば、前記画素部は一フレーム区間で少なくとも二度発光するようにする段階と、
を含むことを特徴とする発光表示装置駆動方法。 - 前記フレームデータの大きさによって前記画素部が発光する発光時間を決定することを特徴とする請求項6に記載の発光表示装置駆動方法。
- 前記発光時間が指定されているルックアップテーブルを具備し、
前記指定された発光時間によって前記発光制御信号の発光区間が決まることを特徴とする請求項7に記載の発光表示装置駆動方法。
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KR1020050027333A KR100629586B1 (ko) | 2005-03-31 | 2005-03-31 | 발광표시장치 및 그의 구동방법 |
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US (1) | US8022907B2 (ja) |
JP (1) | JP2006285236A (ja) |
KR (1) | KR100629586B1 (ja) |
CN (1) | CN100476930C (ja) |
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JP2003330418A (ja) * | 2002-05-14 | 2003-11-19 | Sony Corp | 表示装置およびその駆動方法 |
JP2004294752A (ja) * | 2003-03-27 | 2004-10-21 | Toshiba Matsushita Display Technology Co Ltd | El表示装置 |
JP2004309810A (ja) * | 2003-04-08 | 2004-11-04 | Kodak Kk | 表示装置 |
WO2005006291A1 (en) * | 2003-07-09 | 2005-01-20 | Koninklijke Philips Electronics N.V. | Electroluminescent display device with duty cycle control |
JP2005055726A (ja) * | 2003-08-06 | 2005-03-03 | Toshiba Matsushita Display Technology Co Ltd | El表示装置 |
JP2006276718A (ja) * | 2005-03-30 | 2006-10-12 | Toshiba Matsushita Display Technology Co Ltd | El表示装置 |
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JP2009271493A (ja) * | 2008-05-09 | 2009-11-19 | Samsung Mobile Display Co Ltd | 有機電界発光表示装置及びその駆動方法 |
US8154482B2 (en) | 2008-05-09 | 2012-04-10 | Samsung Mobile Display Co., Ltd. | Organic light emitting display and method for driving the same |
CN107978270A (zh) * | 2016-10-25 | 2018-05-01 | 乐金显示有限公司 | 有机发光显示装置及其驱动装置 |
JP2018072825A (ja) * | 2016-10-25 | 2018-05-10 | エルジー ディスプレイ カンパニー リミテッド | 有機発光表示装置およびその駆動装置 |
US10593258B2 (en) | 2016-10-25 | 2020-03-17 | Lg Display Co., Ltd. | Organic light emitting display device including EM driver with simplified structure and for driving the same |
CN107978270B (zh) * | 2016-10-25 | 2020-12-18 | 乐金显示有限公司 | 有机发光显示装置及其驱动装置 |
Also Published As
Publication number | Publication date |
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US8022907B2 (en) | 2011-09-20 |
KR100629586B1 (ko) | 2006-09-27 |
US20060220578A1 (en) | 2006-10-05 |
CN100476930C (zh) | 2009-04-08 |
CN1841473A (zh) | 2006-10-04 |
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