Device and method for measuring gray to gray transition response time
OwnerPao-Chi Chang, Mu-Lin Chao +3inventors
InventorsPao-Chi Chang, Mu-Lin Chao, Feng-Chou Ni, Hsin-Mao Huang, Jhih-Hong Jiang
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Abstract
A device for measuring gray-to-gray response times in a display utilizes light detectors to measure the response time of gray images of the display rapidly. The device is used in a measuring system having a temporal signal integrator and a light scope. The temporal signal integrator provides a plurality of signals of gray images for multiple areas on the display, and the light scope includes the light detectors. Each active light detector is distributed to measure the response time of the gray images on each of the areas.
Claims18
A light scope for measuring a gray-to-gray response time of a display, the light scope comprising:
- a plurality of light detectors, each active light detector being configured to measure one of a plurality of gray measurement matrices of a gray measurement matrix;
- wherein each element of the gray measurement matrix represents a response time of the display transitioning from an initial gray level to a target gray level.
A light scope for measuring a gray-to-gray response time of a display, the light scope comprising:
- a plurality of light detectors, each active light detector cooperating to measure a response time of transitioning gray images on a plurality of areas of the display;
- wherein the number of the active light detectors and the number of the areas are the same, and the response time of transitioning each of the gray images is the time of the display transitioning from an initial gray level to a target gray level.
A method of measuring a gray-to-gray response time of a display, the method comprising:
- locating a plurality of active light detectors corresponding to a plurality of areas of the display;
- initiating a plurality of gray images in the plurality of areas of the display;
- and
- utilizing the active light detectors to measure the response time when transitioning the gray images in the plurality of areas of the display.
Dependencies are inferred from the claim text.