WO2005067453A3 - Dynamic gamma for a liquid crystal display - Google Patents

Dynamic gamma for a liquid crystal display Download PDF

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Publication number
WO2005067453A3
WO2005067453A3 PCT/US2004/033918 US2004033918W WO2005067453A3 WO 2005067453 A3 WO2005067453 A3 WO 2005067453A3 US 2004033918 W US2004033918 W US 2004033918W WO 2005067453 A3 WO2005067453 A3 WO 2005067453A3
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
dynamic gamma
gamma
dynamic
Prior art date
Application number
PCT/US2004/033918
Other languages
French (fr)
Other versions
WO2005067453A2 (en
Inventor
Pan Hao
Feng Xiao-Fan
J Daly Scott
Original Assignee
Sharp Lab Of America Inc
Pan Hao
Feng Xiao-Fan
J Daly Scott
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 Sharp Lab Of America Inc, Pan Hao, Feng Xiao-Fan, J Daly Scott filed Critical Sharp Lab Of America Inc
Priority to CN2004800368662A priority Critical patent/CN1890989B/en
Priority to JP2006545332A priority patent/JP4757201B2/en
Priority to KR1020067014287A priority patent/KR100875326B1/en
Publication of WO2005067453A2 publication Critical patent/WO2005067453A2/en
Publication of WO2005067453A3 publication Critical patent/WO2005067453A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • 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
    • G09G2320/0693—Calibration of display systems
    • 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

Abstract

A measurement system for characterizing the response of a liquid crystal display.
PCT/US2004/033918 2003-12-18 2004-10-13 Dynamic gamma for a liquid crystal display WO2005067453A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2004800368662A CN1890989B (en) 2003-12-18 2004-10-13 Dynamic gamma for a liquid crystal display
JP2006545332A JP4757201B2 (en) 2003-12-18 2004-10-13 Dynamic gamma for liquid crystal displays
KR1020067014287A KR100875326B1 (en) 2003-12-18 2004-10-13 Liquid crystal display response characteristics determination method and presentation method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US53144103P 2003-12-18 2003-12-18
US60/531,441 2003-12-18
US60345704P 2004-08-21 2004-08-21
US60/603,457 2004-08-21

Publications (2)

Publication Number Publication Date
WO2005067453A2 WO2005067453A2 (en) 2005-07-28
WO2005067453A3 true WO2005067453A3 (en) 2005-12-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/033918 WO2005067453A2 (en) 2003-12-18 2004-10-13 Dynamic gamma for a liquid crystal display

Country Status (5)

Country Link
US (1) US7164284B2 (en)
JP (1) JP4757201B2 (en)
KR (1) KR100875326B1 (en)
CN (1) CN1890989B (en)
WO (1) WO2005067453A2 (en)

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US20020067325A1 (en) * 2000-10-19 2002-06-06 Lg.Philips Lcd Co., Ltd. Image sticking measurement method for liquid crystal display device

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US7164284B2 (en) 2007-01-16
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CN1890989A (en) 2007-01-03
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JP2007538270A (en) 2007-12-27
US20050134302A1 (en) 2005-06-23
JP4757201B2 (en) 2011-08-24
WO2005067453A2 (en) 2005-07-28

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