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公开(公告)号：US10048061B2
公开(公告)日：2018-08-14
申请号：US15516734
申请日：2016-05-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengbao Dun , Zhongbao Wu , Li Sun , Hangman Lai , Yan Wei , Zhiying Zhang , Weili Zhao
Abstract: A measuring method and a measuring system are used for measuring contrast of a display device, including controlling the display device to display a first image, measuring brightness of a central area of the first image, controlling display device to display a second image, measuring brightness of a central area of the second image, and determining the contrast. Both the first image and the second image have a plurality of areas with different gray scales, the first image includes a maximum gray scale area, and the second image includes a minimum gray scale area.
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公开(公告)号：US11698407B2
公开(公告)日：2023-07-11
申请号：US17047741
申请日：2019-04-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lu Li , Hangman Lai , Shengbao Dun
CPC classification number: G01R31/2829 , G06F3/0418
Abstract: A touch control test device and a touch control test method are provided, and the touch control test device includes: a telescopic mechanism with an adjustable length; a touch control component connected to the telescopic mechanism so that the telescopic mechanism is configured to drive the touch control component to tap the touch screen; an acquisition unit configured to acquire an actual detection coordinate point where the touch control component taps the touch screen; a calculation unit configured to calculate a touch control coordinate error between a target coordinate point corresponding to the actual detection coordinate point where the touch control component taps the touch screen and the actual detection coordinate point. The touch test device can achieve a tap touch control test of the touch screen.
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公开(公告)号：US20230135360A1
公开(公告)日：2023-05-04
申请号：US17801977
申请日：2021-02-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiangchun Xiao , Fan Yang , Shengbao Dun
Abstract: A method and apparatus for evaluating blue-light-radiation injury to a retina, a computer device and a medium. The method includes: acquiring a current environmental brightness and a current middle-grayscale brightness of a displaying device; according to a weighted blue-light-radiation-exposure value of a current environment, current environmental brightness, a weighted blue-light-radiation-exposure value of displaying device and current middle-grayscale brightness of displaying device, determining a device-environment factor; according to device-environment factor and current environmental brightness, determining an optimum middle-grayscale brightness of the displaying device in the current environment; according to the current middle-grayscale brightness of displaying device, the optimum middle-grayscale brightness of the displaying device in the current environment and the weighted blue-light-radiation-exposure value of the current environment, determining a current retina weighted blue-light-radiation-exposure value; and according to comparison between the current retina weighted blue-light-radiation-exposure value and a retina blue-light maximum safety-tolerance value, determining whether an eye-protection safety standard is satisfied.
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公开(公告)号：US09961341B2
公开(公告)日：2018-05-01
申请号：US14405313
申请日：2014-04-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jinye Zhu , Wang Hu , Yanbing Wu , Wei Wei , Shengbao Dun , Heliang Di
CPC classification number: H04N17/004 , H04N13/302 , H04N13/305 , H04N13/315 , H04N13/324 , H04N13/327 , H04N13/354
Abstract: The present disclosure discloses a method for evaluating crosstalk in a naked-eye stereoscopic display, including: controlling a display panel to display sequentially viewpoint images; when displaying each of the viewpoint images, each of sub-pixels for displaying a current viewpoint image displays a white image, each of sub-pixels for displaying other viewpoint images displays a black image; obtaining sequentially, on a light emitting side of the display panel, first luminance values of light at respective test angles corresponding to the current viewpoint image; controlling the display panel to display an all-black image, obtaining sequentially second luminance values of light at the respective test angles; determining a crosstalk value of light at one test angle corresponding to any one of luminance peaks in the first luminance values, according to the one of luminance peaks and one second luminance value at the same test angle corresponding to the one of the luminance peaks.
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