Invention Grant
- Patent Title: Optical correction systems and methods for correcting non-uniformity of emissive display devices
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Application No.: US17894501Application Date: 2022-08-24
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Publication No.: US11792387B2Publication Date: 2023-10-17
- Inventor: Vyacheslav Shyshkin , Adam Saechao
- Applicant: Ignis Innovation Inc.
- Applicant Address: CA Waterloo
- Assignee: Ignis Innovation Inc.
- Current Assignee: Ignis Innovation Inc.
- Current Assignee Address: VG Road Town
- Agency: Stratford Group Ltd.
- Main IPC: G09G3/00
- IPC: G09G3/00 ; G09G3/3225 ; H04N17/04 ; G01J1/02 ; G01J1/32

Abstract:
What is disclosed are systems and methods of optical correction for pixel evaluation and correction for active matrix light emitting diode device (AMOLED) and other emissive displays. Optical correction for correcting for non-homogeneity of a display panel uses sparse display test patterns in conjunction with a defocused camera as the measurement device to avoid aliasing (moiré) of the pixels of the display in the captured images.
Public/Granted literature
- US20230007236A1 OPTICAL CORRECTION SYSTEMS AND METHODS FOR CORRECTING NON-UNIFORMITY OF EMISSIVE DISPLAY DEVICES Public/Granted day:2023-01-05
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