WO2008126904A1 - 映像表示装置 - Google Patents

映像表示装置 Download PDF

Info

Publication number
WO2008126904A1
WO2008126904A1 PCT/JP2008/057104 JP2008057104W WO2008126904A1 WO 2008126904 A1 WO2008126904 A1 WO 2008126904A1 JP 2008057104 W JP2008057104 W JP 2008057104W WO 2008126904 A1 WO2008126904 A1 WO 2008126904A1
Authority
WO
WIPO (PCT)
Prior art keywords
luminance
low
pulse
display device
video display
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.)
Ceased
Application number
PCT/JP2008/057104
Other languages
English (en)
French (fr)
Other versions
WO2008126904A9 (ja
Inventor
Masato Tanaka
Yasuo Hosaka
Mamoru Sakamoto
Kazuo Asanuma
Akinobu Maekawa
Hidehumi Nakagome
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.)
Taiyo Yuden Co Ltd
Microspace Corp
Original Assignee
Taiyo Yuden Co Ltd
Microspace 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
Priority claimed from JP2007103976A external-priority patent/JP2010139517A/ja
Priority claimed from JP2007103977A external-priority patent/JP2010141370A/ja
Application filed by Taiyo Yuden Co Ltd, Microspace Corp filed Critical Taiyo Yuden Co Ltd
Publication of WO2008126904A1 publication Critical patent/WO2008126904A1/ja
Anticipated expiration legal-status Critical
Publication of WO2008126904A9 publication Critical patent/WO2008126904A9/ja
Ceased legal-status Critical Current

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
    • G09G3/36—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 using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • 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
    • 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
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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
    • G09G2320/0653—Controlling or limiting the speed of brightness adjustment of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)

Abstract

バックライトを高輝度なパルス（高輝度部）で点灯させるとともに、その非点灯区間も低輝度なパルス（低輝度部）で１フレーム内フルデューティで点灯させる。このように、バーストパルスを高輝度部と低輝度部の複合構成とすることにより、低輝度高デューティによる動きボケした映像の上に、くっきりした輪郭の高輝度画像を重ねることができ、高輝度画像時の輝度劣化を低減させることができるとともに、音鳴きも低減させることができる。
PCT/JP2008/057104 2007-04-11 2008-04-10 映像表示装置 Ceased WO2008126904A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-103977 2007-04-11
JP2007103976A JP2010139517A (ja) 2007-04-11 2007-04-11 映像表示装置および方法およびこれに組み込まれる信号処理回路および液晶バックライト駆動装置
JP2007103977A JP2010141370A (ja) 2007-04-11 2007-04-11 映像表示装置および方法およびこれに組み込まれる信号処理回路および液晶バックライト駆動装置
JP2007-103976 2007-04-11

Publications (2)

Publication Number Publication Date
WO2008126904A1 true WO2008126904A1 (ja) 2008-10-23
WO2008126904A9 WO2008126904A9 (ja) 2009-11-26

Family

ID=39863999

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057104 Ceased WO2008126904A1 (ja) 2007-04-11 2008-04-10 映像表示装置

Country Status (1)

Country Link
WO (1) WO2008126904A1 (ja)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010103424A1 (en) * 2009-03-09 2010-09-16 Koninklijke Philips Electronics N.V. Anti-blur apparatus for e. g. backlight of liquid crystal display
EP2284827A1 (en) * 2009-07-15 2011-02-16 Trident Microsystems (Far East) Ltd. Backlight unit and control method for the same
JP2011059379A (ja) * 2009-09-10 2011-03-24 Toshiba Corp 映像表示装置及び映像表示方法
WO2011058713A1 (ja) * 2009-11-13 2011-05-19 パナソニック株式会社 表示装置及び表示方法
CN102708806A (zh) * 2009-01-29 2012-10-03 索尼公司 液晶显示装置和液晶显示装置的驱动方法
CN102947407A (zh) * 2010-06-18 2013-02-27 曙制动器工业株式会社 摩擦材料
EP2328353B1 (en) * 2009-11-30 2020-10-28 III Holdings 6, LLC 3D display
CN117275377A (zh) * 2023-09-25 2023-12-22 深圳市玖润光电科技有限公司 微型led面板的漏光检测方法、装置、电子设备及介质
WO2025039740A1 (zh) * 2023-08-21 2025-02-27 青岛海信激光显示股份有限公司 激光投影设备及图像显示方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07211472A (ja) * 1994-01-24 1995-08-11 Hitachi Media Electron:Kk 点灯装置
JP2003255913A (ja) * 2002-03-05 2003-09-10 Seiko Epson Corp 輝度制御装置およびモニタ装置
WO2004053826A1 (ja) * 2002-12-06 2004-06-24 Sharp Kabushiki Kaisha 液晶表示装置
JP2005070656A (ja) * 2003-08-27 2005-03-17 Hitachi Ltd 映像表示装置、それに用いる表示部駆動回路及び映像表示方法
JP2005258403A (ja) * 2004-02-09 2005-09-22 Hitachi Ltd 照明装置とこれを備えた画像表示装置及び画像表示方法
JP2005266751A (ja) * 2004-02-19 2005-09-29 Sharp Corp 映像表示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07211472A (ja) * 1994-01-24 1995-08-11 Hitachi Media Electron:Kk 点灯装置
JP2003255913A (ja) * 2002-03-05 2003-09-10 Seiko Epson Corp 輝度制御装置およびモニタ装置
WO2004053826A1 (ja) * 2002-12-06 2004-06-24 Sharp Kabushiki Kaisha 液晶表示装置
JP2005070656A (ja) * 2003-08-27 2005-03-17 Hitachi Ltd 映像表示装置、それに用いる表示部駆動回路及び映像表示方法
JP2005258403A (ja) * 2004-02-09 2005-09-22 Hitachi Ltd 照明装置とこれを備えた画像表示装置及び画像表示方法
JP2005266751A (ja) * 2004-02-19 2005-09-29 Sharp Corp 映像表示装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102708806A (zh) * 2009-01-29 2012-10-03 索尼公司 液晶显示装置和液晶显示装置的驱动方法
WO2010103424A1 (en) * 2009-03-09 2010-09-16 Koninklijke Philips Electronics N.V. Anti-blur apparatus for e. g. backlight of liquid crystal display
EP2284827A1 (en) * 2009-07-15 2011-02-16 Trident Microsystems (Far East) Ltd. Backlight unit and control method for the same
JP2011059379A (ja) * 2009-09-10 2011-03-24 Toshiba Corp 映像表示装置及び映像表示方法
US8462172B2 (en) 2009-09-10 2013-06-11 Kabushiki Kaisha Toshiba Video display apparatus and video display method
WO2011058713A1 (ja) * 2009-11-13 2011-05-19 パナソニック株式会社 表示装置及び表示方法
EP2328353B1 (en) * 2009-11-30 2020-10-28 III Holdings 6, LLC 3D display
CN102947407A (zh) * 2010-06-18 2013-02-27 曙制动器工业株式会社 摩擦材料
WO2025039740A1 (zh) * 2023-08-21 2025-02-27 青岛海信激光显示股份有限公司 激光投影设备及图像显示方法
CN117275377A (zh) * 2023-09-25 2023-12-22 深圳市玖润光电科技有限公司 微型led面板的漏光检测方法、装置、电子设备及介质

Also Published As

Publication number Publication date
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