JP6478518B2 - 発光装置及び画像形成装置 - Google Patents

発光装置及び画像形成装置 Download PDF

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Publication number
JP6478518B2
JP6478518B2 JP2014163369A JP2014163369A JP6478518B2 JP 6478518 B2 JP6478518 B2 JP 6478518B2 JP 2014163369 A JP2014163369 A JP 2014163369A JP 2014163369 A JP2014163369 A JP 2014163369A JP 6478518 B2 JP6478518 B2 JP 6478518B2
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JP
Japan
Prior art keywords
pixel
control signal
emitting device
light emitting
pixel block
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2014163369A
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English (en)
Japanese (ja)
Other versions
JP2016039336A5 (enExample
JP2016039336A (ja
Inventor
達人 郷田
達人 郷田
坂口　清文
清文 坂口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2014163369A priority Critical patent/JP6478518B2/ja
Priority to US14/818,732 priority patent/US9672771B2/en
Publication of JP2016039336A publication Critical patent/JP2016039336A/ja
Publication of JP2016039336A5 publication Critical patent/JP2016039336A5/ja
Application granted granted Critical
Publication of JP6478518B2 publication Critical patent/JP6478518B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G09G3/22—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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
    • 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
    • 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
    • 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
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP2014163369A 2014-08-11 2014-08-11 発光装置及び画像形成装置 Expired - Fee Related JP6478518B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014163369A JP6478518B2 (ja) 2014-08-11 2014-08-11 発光装置及び画像形成装置
US14/818,732 US9672771B2 (en) 2014-08-11 2015-08-05 Light-emitting device and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014163369A JP6478518B2 (ja) 2014-08-11 2014-08-11 発光装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2016039336A JP2016039336A (ja) 2016-03-22
JP2016039336A5 JP2016039336A5 (enExample) 2017-07-27
JP6478518B2 true JP6478518B2 (ja) 2019-03-06

Family

ID=55267862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014163369A Expired - Fee Related JP6478518B2 (ja) 2014-08-11 2014-08-11 発光装置及び画像形成装置

Country Status (2)

Country Link
US (1) US9672771B2 (enExample)
JP (1) JP6478518B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108630151B (zh) * 2018-05-17 2022-08-26 京东方科技集团股份有限公司 像素电路及其驱动方法、阵列基板及显示装置
CN113724640B (zh) * 2020-05-26 2023-01-06 京东方科技集团股份有限公司 一种像素驱动电路、其驱动方法、显示面板及显示装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3025121B2 (ja) 1992-12-24 2000-03-27 キヤノン株式会社 情報処理方法及び装置
US5457311A (en) * 1993-07-16 1995-10-10 Xerox Corporation Integrated circuit fan-in for semiconductor transducer devices
JPH11274569A (ja) * 1998-03-24 1999-10-08 Canon Inc Ｌｅｄ装置、及びこれを用いた光源、画像形成装置、画像読み取り装置
JP2003258210A (ja) 2001-12-27 2003-09-12 Canon Inc 表示装置及びその製造方法
JP2003345267A (ja) 2002-05-30 2003-12-03 Canon Inc 表示装置及びその製造方法
WO2004086348A1 (en) 2003-03-25 2004-10-07 Canon Kabushiki Kaisha Driving method of display apparatus in which a handwriting can be overweitten on the displayed image
WO2005055187A1 (en) 2003-12-05 2005-06-16 Canon Kabushiki Kaisha Display apparatus with input pen for wearable pc
JP4193805B2 (ja) 2004-07-27 2008-12-10 セイコーエプソン株式会社 発光装置および画像形成装置
JP4793414B2 (ja) * 2004-07-27 2011-10-12 セイコーエプソン株式会社 発光装置
JP2006095786A (ja) * 2004-09-29 2006-04-13 Seiko Epson Corp プリンタヘッド及びこれを備えた画像形成装置
US20090251675A1 (en) * 2005-07-19 2009-10-08 Matsushita Electric Industrial Co., Ltd. Exposure device
JP4692828B2 (ja) * 2006-03-14 2011-06-01 カシオ計算機株式会社 表示装置及びその駆動制御方法
JP5058505B2 (ja) 2006-03-31 2012-10-24 キヤノン株式会社 表示装置
JP5495510B2 (ja) 2007-06-19 2014-05-21 キヤノン株式会社 表示装置及びそれを用いた電子機器
JP2009014836A (ja) 2007-07-02 2009-01-22 Canon Inc アクティブマトリクス型表示装置及びその駆動方法
JP2009109641A (ja) 2007-10-29 2009-05-21 Canon Inc 駆動回路、及びアクティブマトリクス型表示装置
JP2010122355A (ja) 2008-11-18 2010-06-03 Canon Inc 表示装置及びカメラ
JP5284198B2 (ja) 2009-06-30 2013-09-11 キヤノン株式会社 表示装置およびその駆動方法
JP2011013415A (ja) 2009-07-01 2011-01-20 Canon Inc アクティブマトリックス型表示装置
JP2012098707A (ja) 2010-10-07 2012-05-24 Canon Inc 表示装置及びその駆動方法
WO2013008765A1 (en) * 2011-07-08 2013-01-17 Semiconductor Energy Laboratory Co., Ltd. Light-emitting module, light-emitting device, and method for manufacturing the light-emitting module
JP6124573B2 (ja) 2011-12-20 2017-05-10 キヤノン株式会社 表示装置
JP6120511B2 (ja) * 2012-09-20 2017-04-26 キヤノン株式会社 発光装置、発光素子の駆動回路および駆動方法

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Publication number Publication date
US20160042688A1 (en) 2016-02-11
US9672771B2 (en) 2017-06-06
JP2016039336A (ja) 2016-03-22

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