TW200731185A - Light-emitting device, driving circuit, driving method, and electronic apparatus - Google Patents

Light-emitting device, driving circuit, driving method, and electronic apparatus

Info

Publication number
TW200731185A
TW200731185A TW095139584A TW95139584A TW200731185A TW 200731185 A TW200731185 A TW 200731185A TW 095139584 A TW095139584 A TW 095139584A TW 95139584 A TW95139584 A TW 95139584A TW 200731185 A TW200731185 A TW 200731185A
Authority
TW
Taiwan
Prior art keywords
light
emitting element
pulse width
current value
driving signal
Prior art date
Application number
TW095139584A
Other languages
English (en)
Inventor
Takao Miyazawa
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of TW200731185A publication Critical patent/TW200731185A/zh

Links

Classifications

    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1209—Intensity control of the optical beam
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • G06K15/1242—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line
    • G06K15/1247—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on one main scanning line using an array of light sources, e.g. a linear array
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • 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
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • 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
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G09G2320/0295—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel by monitoring each display pixel
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
    • 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
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G09G2360/147—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
    • G09G3/2081—Display of intermediate tones by a combination of two or more gradation control methods with combination of amplitude modulation and time modulation
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Control Of El Displays (AREA)
  • Led Devices (AREA)
TW095139584A 2005-11-01 2006-10-26 Light-emitting device, driving circuit, driving method, and electronic apparatus TW200731185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005318023A JP4337804B2 (ja) 2005-11-01 2005-11-01 発光装置、駆動回路、駆動方法および電子機器

Publications (1)

Publication Number Publication Date
TW200731185A true TW200731185A (en) 2007-08-16

Family

ID=37995620

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095139584A TW200731185A (en) 2005-11-01 2006-10-26 Light-emitting device, driving circuit, driving method, and electronic apparatus

Country Status (5)

Country Link
US (1) US7956883B2 (zh)
JP (1) JP4337804B2 (zh)
KR (1) KR100828013B1 (zh)
CN (1) CN1960587A (zh)
TW (1) TW200731185A (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009276671A (ja) * 2008-05-16 2009-11-26 Canon Inc 発光装置
KR101038214B1 (ko) * 2008-12-23 2011-06-01 (주)이오닉스테크놀러지 열화 감지센서
JP2012119589A (ja) * 2010-12-02 2012-06-21 Canon Inc 発光制御装置及びその制御方法
JP6305068B2 (ja) * 2013-04-30 2018-04-04 キヤノン株式会社 有機発光素子
KR102072795B1 (ko) * 2013-08-12 2020-02-04 삼성디스플레이 주식회사 유기 전계 발광 표시 장치 및 이의 구동 방법
JP2015114652A (ja) 2013-12-16 2015-06-22 双葉電子工業株式会社 表示駆動装置、表示駆動方法、表示装置
JP6696355B2 (ja) * 2016-08-26 2020-05-20 富士ゼロックス株式会社 露光制御装置および画像形成装置
JP2020001243A (ja) * 2018-06-27 2020-01-09 キヤノン株式会社 画像形成装置
CN113053301B (zh) * 2021-03-23 2022-08-19 京东方科技集团股份有限公司 像素驱动电路、像素驱动方法、显示面板及显示装置
US11776462B2 (en) * 2021-06-25 2023-10-03 Sapien Semiconductors Inc. Pulse width modulation (PWM) control apparatus and method for improving dynamic false contour of display device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH024547A (ja) 1988-06-23 1990-01-09 Matsushita Graphic Commun Syst Inc 発光素子駆動装置
US5671003A (en) * 1991-11-04 1997-09-23 Eastman Kodak Company Hybrid digital image printer with halftone gray scale capability
JP4046778B2 (ja) * 1995-04-05 2008-02-13 ソニー株式会社 光学ディスク記録再生装置
JP3544593B2 (ja) 1995-12-11 2004-07-21 大日本スクリーン製造株式会社 画像記録装置およびその調整方法
KR20000000673A (ko) * 1998-06-02 2000-01-15 윤종용 쉐이딩 보정방법
KR100598137B1 (ko) * 1998-09-16 2006-07-07 소니 가부시끼 가이샤 디스플레이 장치
JP2000181158A (ja) * 1998-12-15 2000-06-30 Canon Inc 露光装置及びこの露光装置を備える画像形成装置
JP4089412B2 (ja) 2002-12-09 2008-05-28 松下電器産業株式会社 電子写真装置
JP2005081696A (ja) 2003-09-09 2005-03-31 Kyocera Mita Corp 画像形成装置
JP4532091B2 (ja) 2003-09-29 2010-08-25 富士フイルム株式会社 画像記録装置およびその光量補正方法
JP2005103914A (ja) 2003-09-30 2005-04-21 Fuji Photo Film Co Ltd 光量調整方法
KR20050034113A (ko) * 2003-10-08 2005-04-14 삼성전자주식회사 유기 전계 발광 표시 장치
JP4804711B2 (ja) * 2003-11-21 2011-11-02 株式会社 日立ディスプレイズ 画像表示装置
KR100741963B1 (ko) * 2003-11-27 2007-07-23 삼성에스디아이 주식회사 액정표시장치 및 이의 구동 방법

Also Published As

Publication number Publication date
JP4337804B2 (ja) 2009-09-30
US20070097040A1 (en) 2007-05-03
CN1960587A (zh) 2007-05-09
JP2007125705A (ja) 2007-05-24
KR100828013B1 (ko) 2008-05-08
US7956883B2 (en) 2011-06-07
KR20070047218A (ko) 2007-05-04

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