Invention Grant
- Patent Title: Techniques for avoiding and remedying DC bias buildup on a flat panel variable refresh rate display
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Application No.: US14190559Application Date: 2014-02-26
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Publication No.: US09711099B2Publication Date: 2017-07-18
- Inventor: Rudolf Bloks , Robert Schutten , Tom Verbeure
- Applicant: NVIDIA Corporation
- Applicant Address: US CA Santa Clara
- Assignee: NVIDIA CORPORATION
- Current Assignee: NVIDIA CORPORATION
- Current Assignee Address: US CA Santa Clara
- Main IPC: G09G3/36
- IPC: G09G3/36

Abstract:
A method for driving a display panel having a variable refresh rate is disclosed. The method comprises receiving a current input frame from an image source. Next, it comprises determining a number of re-scanned frames to insert between the current input frame and a subsequent input frame, wherein the re-scanned frames repeat the input frame, and wherein the number of re-scanned frames depends on the minimum refresh interval (MRI) of the display panel. Further, it comprises calculating respective intervals at which to insert the re-scanned frames between the current input frame and the subsequent input frame. Subsequently, it comprises determining if a charge accumulation in pixels of the display panel has crossed over a predetermined threshold value. Finally, responsive to a determination that the charge accumulation has crossed over a predetermined threshold value, it comprises performing a counter-measure to remediate the charge accumulation.
Public/Granted literature
- US20150243233A1 TECHNIQUES FOR AVOIDING AND REMEDYING DC BIAS BUILDUP ON A FLAT PANEL VARIABLE REFRESH RATE DISPLAY Public/Granted day:2015-08-27
Information query
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