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TWI348150B - Gain-determining method and apparatus for grayscale white balance for display apparatus - Google Patents

Gain-determining method and apparatus for grayscale white balance for display apparatus

Info

Publication number
TWI348150B
TWI348150B TW095142700A TW95142700A TWI348150B TW I348150 B TWI348150 B TW I348150B TW 095142700 A TW095142700 A TW 095142700A TW 95142700 A TW95142700 A TW 95142700A TW I348150 B TWI348150 B TW I348150B
Authority
TW
Taiwan
Prior art keywords
gain
white balance
determining method
display apparatus
grayscale white
Prior art date
Application number
TW095142700A
Other languages
English (en)
Other versions
TW200823860A (en
Inventor
Wen Chwan Chao
yi sheng Yu
Hsu Pin Kao
Original Assignee
Marketech Int 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 Marketech Int Corp filed Critical Marketech Int Corp
Priority to TW095142700A priority Critical patent/TWI348150B/zh
Priority to US11/892,115 priority patent/US8970788B2/en
Publication of TW200823860A publication Critical patent/TW200823860A/zh
Application granted granted Critical
Publication of TWI348150B publication Critical patent/TWI348150B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
TW095142700A 2006-11-17 2006-11-17 Gain-determining method and apparatus for grayscale white balance for display apparatus TWI348150B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW095142700A TWI348150B (en) 2006-11-17 2006-11-17 Gain-determining method and apparatus for grayscale white balance for display apparatus
US11/892,115 US8970788B2 (en) 2006-11-17 2007-08-20 Gain-determining method and apparatus for grayscale white balance of display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095142700A TWI348150B (en) 2006-11-17 2006-11-17 Gain-determining method and apparatus for grayscale white balance for display apparatus

Publications (2)

Publication Number Publication Date
TW200823860A TW200823860A (en) 2008-06-01
TWI348150B true TWI348150B (en) 2011-09-01

Family

ID=39416553

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095142700A TWI348150B (en) 2006-11-17 2006-11-17 Gain-determining method and apparatus for grayscale white balance for display apparatus

Country Status (2)

Country Link
US (1) US8970788B2 (zh)
TW (1) TWI348150B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI456562B (zh) * 2012-03-01 2014-10-11 Marketech Int Corp 將顯示器面板之三原色亮度參數導入依據顯示器面板原始三原色及白色的光學特性計算灰階白平衡增益值以提高其灰階白平衡調校精準度之方法
TWI456560B (zh) * 2012-03-01 2014-10-11 Marketech Int Corp 將顯示器面板之白色亮度參數導入依據顯示器面板原始三原色及白色的光學特性計算灰階白平衡增益值以提高其灰階白平衡調校精準度之方法
TWI456561B (zh) * 2012-03-01 2014-10-11 Marketech Int Corp 將顯示器面板之白色亮度參數導入依據顯示器面板的白色光學特性計算灰階白平衡增益值以提高其灰階白平衡調校精準度之方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7928455B2 (en) * 2002-07-15 2011-04-19 Epistar Corporation Semiconductor light-emitting device and method for forming the same
TWI415104B (zh) * 2010-02-05 2013-11-11 Marketech Int Corp 顯示面板之色純度的調校方法、調校系統以及具有該已調校的顯示面板之顯示裝置
US8723895B2 (en) * 2010-06-24 2014-05-13 Himax Display, Inc. Display and real-time automatic white balance method thereof
CN102196274B (zh) * 2011-05-10 2013-01-16 西安理工大学 一种基于颜色映射的自动白平衡方法
CN103366711B (zh) * 2012-03-28 2015-09-30 帆宣系统科技股份有限公司 以三原色亮度参数提高四色白平衡调校的精准度的方法
CN105282531B (zh) 2015-11-11 2017-08-25 深圳市华星光电技术有限公司 控制低灰阶白平衡的方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05127620A (ja) * 1991-11-06 1993-05-25 Matsushita Electric Ind Co Ltd 液晶投写型カラーデイスプレイの調整方法および調整回路
JP4826028B2 (ja) * 2001-05-24 2011-11-30 株式会社ニコン 電子カメラ
JP4372401B2 (ja) * 2001-12-21 2009-11-25 シャープ株式会社 補正特性決定装置、補正特性決定方法および表示装置
CN100466708C (zh) * 2002-09-23 2009-03-04 皇家飞利浦电子股份有限公司 视频记录器装置以及操作视频记录器装置的方法
JP2006129456A (ja) * 2004-10-01 2006-05-18 Canon Inc 画像表示装置の補正データ生成方法及び画像表示装置の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI456562B (zh) * 2012-03-01 2014-10-11 Marketech Int Corp 將顯示器面板之三原色亮度參數導入依據顯示器面板原始三原色及白色的光學特性計算灰階白平衡增益值以提高其灰階白平衡調校精準度之方法
TWI456560B (zh) * 2012-03-01 2014-10-11 Marketech Int Corp 將顯示器面板之白色亮度參數導入依據顯示器面板原始三原色及白色的光學特性計算灰階白平衡增益值以提高其灰階白平衡調校精準度之方法
TWI456561B (zh) * 2012-03-01 2014-10-11 Marketech Int Corp 將顯示器面板之白色亮度參數導入依據顯示器面板的白色光學特性計算灰階白平衡增益值以提高其灰階白平衡調校精準度之方法

Also Published As

Publication number Publication date
US20080117334A1 (en) 2008-05-22
TW200823860A (en) 2008-06-01
US8970788B2 (en) 2015-03-03

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees