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US 2010/0073339 A1Published application
System and method for correcting gamma
AssigneeLG Display Co., Ltd.
InventorsJoo Hong Lee, Hong Sung Song, Oh Hyun Lee, Woong Ki Min
Life of this patent
Estimating the term…
Abstract
Disclosed is a system and method for correcting a gamma for shortening a gamma correction time period and improving gamma correction efficiency and reliability thereof, and simplifying a gamma correction device for reducing a production cost of image display devices.
Claims10
A gamma correction system comprising:
- a brightness detection unit for detecting pieces of brightness information from images displayed with at least two gray scale levels on a display panel of an image display device alternately and repetitively in response to a gamma correction control signal set by a user;
- and
- a gamma correction device for averaging pieces of brightness information detected alternately and repetitively in response to the gamma correction control signal respectively, and selecting gamma correction information according to a ratio of the averages for correcting a gamma voltage of the image display device.
A method for correcting a gamma comprising the steps of:
- detecting pieces of brightness information from images displayed with at least two gray scale levels on a display panel of an image display device alternately and repetitively in response to a gamma correction control signal set by a user;
- and
- averaging pieces of brightness information detected alternately and repetitively in response to the gamma correction control signal respectively, and selecting gamma correction information according to a ratio of the averages for correcting a gamma voltage of the image display device.
Dependencies are inferred from the claim text.