Title：Display driving circuit, display driving method and display device
Country：China
Patent No.：201810752390.6
Legal Status：Authorized
Inventor：Chen Jia, Ziqiang Wang, Chun Zhang, Lei Quan, Yongsheng Yin, Zhihua Wang
Assignee：Research Institute of Tsinghua University in Shenzhen
Address：Room A302, Research Institute of Tsinghua University in Shenzhen, the Southern District of the High-tech Industrial Park, Nanshan District, Shenzhen 518057, Guangdong
Filing Date：2018-07-10
Issue Date：2020-04-10
Abstract：
The invention provides a display driving circuit, a display driving method and a display device. The display driving method comprises the steps of: performing a timing operation on an operating stateof a display screen, and storing a corresponding timing result in an operating characteristic memory; acquiring a corresponding operating time length of a display according to the timing result; acquiring the operating time length, and determining whether a correction operation needs to be performed on a gamma lookup table; acquiring a corresponding contrast gamma value from an operating characteristic table according to the operating time length when the gamma lookup table needs to be corrected; and calculating a pre-compensation value corresponding to each pixel value according to the contrast gamma value, and updating the gamma lookup table.
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