CAMERA COLORIMETER SYSTEM FOR DISPLAY CHARACTERIZATION

    公开(公告)号:US20180218656A1

    公开(公告)日:2018-08-02

    申请号:US15420067

    申请日:2017-01-30

    Applicant: Oculus VR, LLC

    Abstract: A camera colorimeter system simultaneously lights up one or more pixel units on a display panel, each pixel unit including colored subpixels, for characterization of the display panel. The system includes optical elements that directs the light emitted by the simultaneously lit one or more pixel units to a filter and a corresponding imaging device. Each filter is configured to block wavelengths of light other than predetermined range of wavelengths, thereby ensuring that each imaging device captures a filtered spectrum of light that originates from subpixels of the same color. Using the filtered spectrum, the system reconstructs the full spectrum of light, which can subsequently be used to regenerate the display characteristics of each pixel unit (and corresponding colored subpixels). Thus, the camera colorimeter system can characterize a display panel in significantly less time as compared to conventional systems and methods.

    Apparatuses, systems, and methods for characterizing and calibrating displays

    公开(公告)号:US10070123B1

    公开(公告)日:2018-09-04

    申请号:US15676830

    申请日:2017-08-14

    Applicant: Oculus VR, LLC

    Inventor: Ye Yin Simon Hallam

    Abstract: A display calibration apparatus may include a display mounting assembly with a mounting platform and a multi-axis positioning device coupled to the mounting platform for adjusting an orientation of the mounting platform. The display calibration apparatus may also include a camera device positioned to receive light emitted by a plurality of sub-pixels of a display mounted on the mounting platform. The camera device may include an image sensor array that captures light emitted by the plurality of sub-pixels of the display. In addition, the display calibration apparatus may include a camera lens and a focuser. The camera lens may be positioned to direct light emitted by the plurality of sub-pixels of the display onto the image sensor array of the camera device, and the focuser may be disposed between the camera device and the camera lens to move the camera lens axially along an optical axis of the camera lens.

    DISPLAY PANEL CALIBRATION USING DETECTOR ARRAY MEASUREMENT

    公开(公告)号:US20180286298A1

    公开(公告)日:2018-10-04

    申请号:US15476772

    申请日:2017-03-31

    Applicant: Oculus VR, LLC

    CPC classification number: G09G3/2003 G09G2320/0626 G09G2320/08

    Abstract: A system calibrates luminance of an electronic display panel. The system includes a luminance detection device, an actuator and a computing device. The luminance detection device comprises a plurality of detectors arranged along a width or length of the electronic display panel to simultaneously measure luminance parameters of at least one row or column of areas in the electronic display panel. Each of the plurality of detectors covers an area in the at least one row or column of the electronic display panel. The actuator is configured to cause a relative translational movement in a length direction or a width direction of the electronic display panel. The computing device is coupled to the luminance detection device to receive the measured luminance parameters, and the computing device is configured to generate calibration data for adjusting brightness of areas of the electronic display panel by processing the measured luminance parameters.

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