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公开(公告)号：US20220093059A1
公开(公告)日：2022-03-24
申请号：US17376125
申请日：2021-07-14
Applicant: Apple Inc.
Inventor： Maofeng Yang , Jiayi Jin , David A. Doyle , Yifan Zhang , Weijun Yao , Jiye Lee , Tae-Wook Koh , Mathew K. Mathai , Chuang Qian , Tsung-Ting Tsai , James P. Landry , Kiran S. Pillai , Injae Hwang , Yongjun Li
Abstract: An electronic device may include an electronic display including display pixels to display an image based on compensated image data. The electronic display may also include a stressed reference pixel to exhibit burn-in related aging in response to one or more stress sessions and a non-stressed reference pixel configured to not undergo the one or more stress sessions. Additionally, the electronic device may include image processing circuitry to determine a panel-specific aging profile based on a comparison between one or more properties of the stressed reference pixel and the one or more properties of the non-stressed reference pixel. The image processing circuitry may also generate one or more gain maps based on the panel-specific aging profile and generate the compensated image data by applying the one or more gain maps to input image data.
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公开(公告)号：US11205378B1
公开(公告)日：2021-12-21
申请号：US16563610
申请日：2019-09-06
Applicant: Apple Inc.
Inventor： Maofeng Yang , Shengkui Gao , Paolo Sacchetto , Weijun Yao , Yongjun Li , Jiayi Jin
IPC: G09G3/3233 , G09G3/34 , G09G3/36
Abstract: A system may include an electronic display panel having pixels, where each pixel emits light based on a respective programming signal applied to the pixel. The system may also include processing circuitry to determine a respective control signal upon which the respective programing signal for each pixel is based. The processing circuitry may determine each respective control signal based at least in part on approximations of respective pixel brightness-to-data relationship as defined by a function having variables stored in memory accessible to the processing circuitry.
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