KR101297793B1 - 감마 커브를 디지털 방식으로 스케일링하는 방법 및 시스템 - Google Patents

감마 커브를 디지털 방식으로 스케일링하는 방법 및 시스템 Download PDF

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Publication number
KR101297793B1
KR101297793B1 KR1020097000233A KR20097000233A KR101297793B1 KR 101297793 B1 KR101297793 B1 KR 101297793B1 KR 1020097000233 A KR1020097000233 A KR 1020097000233A KR 20097000233 A KR20097000233 A KR 20097000233A KR 101297793 B1 KR101297793 B1 KR 101297793B1
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gamma
linear
gamma curve
curve
luminance
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Korean (ko)
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KR20090018207A (ko
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브루스 씨 무어
마크 디 쿤스
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내셔널 세미콘덕터 코포레이션
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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
    • 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
    • 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
    • H04N5/202—Gamma control
    • 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
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • 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
    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
    • 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
    • G09G2370/00—Aspects of data communication
    • G09G2370/08—Details of image data interface between the display device controller and the data line driver circuit
    • 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
    • G09G3/2011—Display of intermediate tones by amplitude modulation

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Picture Signal Circuits (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Analogue/Digital Conversion (AREA)
KR1020097000233A 2006-06-07 2007-06-05 감마 커브를 디지털 방식으로 스케일링하는 방법 및 시스템 Active KR101297793B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/449,222 US7783105B2 (en) 2006-06-07 2006-06-07 Method and system for digitally scaling a gamma curve
US11/449,222 2006-06-07
PCT/US2007/013398 WO2007146051A2 (en) 2006-06-07 2007-06-05 Method and system for digitally scaling a gamma curve

Publications (2)

Publication Number Publication Date
KR20090018207A KR20090018207A (ko) 2009-02-19
KR101297793B1 true KR101297793B1 (ko) 2013-08-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020097000233A Active KR101297793B1 (ko) 2006-06-07 2007-06-05 감마 커브를 디지털 방식으로 스케일링하는 방법 및 시스템

Country Status (5)

Country Link
US (1) US7783105B2 (enExample)
JP (1) JP2009540368A (enExample)
KR (1) KR101297793B1 (enExample)
TW (1) TWI364223B (enExample)
WO (1) WO2007146051A2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200101570A (ko) * 2019-02-19 2020-08-28 삼성디스플레이 주식회사 소스 드라이버 및 이를 포함하는 표시 장치
US11688320B2 (en) 2021-08-27 2023-06-27 Samsung Electronics Co., Ltd. Gamma amplifier including track period, and gamma voltage generator having the same

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JP4341597B2 (ja) * 2005-08-25 2009-10-07 セイコーエプソン株式会社 ガンマカーブ調整装置及び調整ポイント設定方法
US20070291046A1 (en) * 2006-06-16 2007-12-20 Inventec Corporation Color calibration method and device used for displaying device
US8374234B2 (en) * 2006-09-29 2013-02-12 Francis S. J. Munoz Digital scaling
US20080154999A1 (en) * 2006-12-20 2008-06-26 Texas Instruments Incorporated Compressed Floating Point Representation Of Points On Monotonic Curves Which Can Be Specified By High Order Equations
US8803922B2 (en) * 2007-05-30 2014-08-12 Apple Inc. Methods and apparatuses for increasing the apparent brightness of a display
TWI407428B (zh) * 2009-05-20 2013-09-01 Novatek Microelectronics Corp 用於一平面顯示器之伽瑪電壓產生裝置
KR101684481B1 (ko) * 2009-12-31 2016-12-09 엘지디스플레이 주식회사 액정 표시장치 및 그의 구동방법
KR101341026B1 (ko) * 2010-12-10 2013-12-13 엘지디스플레이 주식회사 디지털 표시 장치의 색온도 튜닝 방법 및 장치
KR101806406B1 (ko) 2010-12-29 2017-12-08 삼성디스플레이 주식회사 계조 전압 생성기 및 이를 포함하는 표시 장치
KR102017600B1 (ko) * 2012-12-28 2019-09-04 삼성디스플레이 주식회사 멀티-타임 프로그래머블 동작의 수행 방법 및 이를 채용한 유기 발광 표시 장치
US9318061B2 (en) * 2014-07-15 2016-04-19 Novatek Microelectronics Corp. Method and device for mapping input grayscales into output luminance
US9373291B2 (en) * 2014-07-16 2016-06-21 Novatek Microelectronics Corp. Method and device for mapping input grayscales into output luminance
US9779664B2 (en) * 2014-08-05 2017-10-03 Apple Inc. Concurrently refreshing multiple areas of a display device using multiple different refresh rates
KR102433924B1 (ko) * 2016-01-14 2022-08-19 삼성전자주식회사 디스플레이 컨트롤러, 그리고 이를 포함하는 어플리케이션 프로세서
CN105741775B (zh) * 2016-05-05 2019-01-22 京东方科技集团股份有限公司 调整伽马曲线的方法及装置
EP3552178B1 (en) * 2016-12-12 2022-06-01 Dolby Laboratories Licensing Corporation Systems and methods for adjusting video processing curves for high dynamic range images
KR20220019040A (ko) 2019-10-04 2022-02-15 구글 엘엘씨 다수의 디스플레이 리프레시 레이트에 대한 심리스 전환
EP4325832A4 (en) * 2021-07-05 2024-11-27 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE AND METHOD FOR CHANGING GAMMA ACCORDING TO SAMPLING RATE
WO2023009136A1 (en) * 2021-07-30 2023-02-02 Google Llc Smart algorithm for seamless transition with under display fingerprint sensors
CN116524876B (zh) * 2023-04-27 2025-09-09 武汉天马微电子有限公司 亮度补偿系数的配置方法、补偿方法、显示模组及装置

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US20060087483A1 (en) * 2004-10-22 2006-04-27 Naoki Takada Display driver

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US3612805A (en) * 1970-04-27 1971-10-12 Inductotherm Corp Inductive heating-cooling apparatus and method
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JP2000298450A (ja) * 1999-04-14 2000-10-24 Hitachi Ltd ガンマ補正回路
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KR100490405B1 (ko) * 2002-07-02 2005-05-17 삼성전자주식회사 프린팅 시스템에 있어서 이미지의 색상 조정방법 및 이를위한 그래픽 사용자 인터페이스
KR100565266B1 (ko) 2003-02-28 2006-03-30 엘지전자 주식회사 엘시디의 구간별 색온도 감마 보정방법
JP4271978B2 (ja) * 2003-04-18 2009-06-03 株式会社日立製作所 映像表示装置
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200101570A (ko) * 2019-02-19 2020-08-28 삼성디스플레이 주식회사 소스 드라이버 및 이를 포함하는 표시 장치
US11170689B2 (en) 2019-02-19 2021-11-09 Samsung Display Co., Ltd. Source driver and display device including the same
KR102720540B1 (ko) 2019-02-19 2024-10-24 삼성디스플레이 주식회사 소스 드라이버 및 이를 포함하는 표시 장치
US11688320B2 (en) 2021-08-27 2023-06-27 Samsung Electronics Co., Ltd. Gamma amplifier including track period, and gamma voltage generator having the same

Also Published As

Publication number Publication date
TW200820796A (en) 2008-05-01
KR20090018207A (ko) 2009-02-19
WO2007146051A2 (en) 2007-12-21
TWI364223B (en) 2012-05-11
WO2007146051A3 (en) 2008-01-24
US7783105B2 (en) 2010-08-24
JP2009540368A (ja) 2009-11-19
US20070285576A1 (en) 2007-12-13

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