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公开(公告)号：US10819885B2
公开(公告)日：2020-10-27
申请号：US16451057
申请日：2019-06-25
申请人： CHONGQING ADVANCE DISPLAY TECHNOLOGY RESEARCH , Chongqing HKC Optoelectronics Technology Co., Ltd.
发明人： Wei Chen
摘要： Disclosed are a gamma value tuning method of a display panel, which comprises the following steps: setting a preset gamma value interval according to a parameters of a display panel to be tested; acquiring a brightness value of a gray scale on the display panel to be tested; calculating a gamma value corresponding to the brightness value of the gray scale; adjusting the gamma value to the first gamma value when the gamma value is smaller than the first gamma value of the preset gamma value interval; adjusting the gamma value to the second gamma, when the second gamma value in the gamma value is larger than the preset gamma value interval.
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公开(公告)号：US20200154003A1
公开(公告)日：2020-05-14
申请号：US16451057
申请日：2019-06-25
申请人： CHONGQING ADVANCE DISPLAY TECHNOLOGY RESEARCH , Chongqing HKC Optoelectronics Technology Co., Ltd.
发明人： Wei Chen
摘要： Disclosed are a gamma value tuning method of a display panel, which comprises the following steps: setting a preset gamma value interval according to a parameters of a display panel to be tested; acquiring a brightness value of a gray scale on the display panel to be tested; calculating a gamma value corresponding to the brightness value of the gray scale; adjusting the gamma value to the first gamma value when the gamma value is smaller than the first gamma value of the preset gamma value interval; adjusting the gamma value to the second gamma, when the second gamma value in the gamma value is larger than the preset gamma value interval.
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公开(公告)号：US20220036835A1
公开(公告)日：2022-02-03
申请号：US17243609
申请日：2021-04-29
摘要： The present application discloses a driving method and a driver chip for a display panel, and a display device, where the driving method includes steps of: acquiring a refresh rate of a first data information; performing local dimming on the first data information to generate a first backlight driving information and a first data driving information; and adjusting the first backlight driving information and the first data driving information according to the refresh rate to generate a second backlight driving information and a second data driving information, respectively.
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公开(公告)号：US11087702B2
公开(公告)日：2021-08-10
申请号：US17043189
申请日：2018-12-25
发明人： Wei Chen
摘要： Disclosed are a method and a device for controlling brightness of a display device, and a liquid crystal display. In the method, a saturation signal and an area dimming signal of each of partitioned screens of the display panel are acquired, and a saturation dimming signal of each of partitioned screens of the display panel is calculated according to the saturation signal, for adjusting the backlight brightness.
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公开(公告)号：US11450259B2
公开(公告)日：2022-09-20
申请号：US16982033
申请日：2018-10-31
发明人： Wenqin Zhao , Wei Chen
IPC分类号： G09G3/20
摘要： The present application discloses a driving method and a driving system for a display panel. The driving method includes: dividing the display panel into two compensation regions in units of sub-pixels; and outputting a driving voltage according to the compensation region which a sub-pixel belongs to.
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公开(公告)号：US10733923B2
公开(公告)日：2020-08-04
申请号：US16329233
申请日：2017-05-10
发明人： Wei Chen
摘要： The present application discloses a detection method for a display panel and a detection apparatus for a display panel. The detection method includes the following steps: storing a picture for detection in a source driver circuit board of a display panel; electrically connecting a power source board generating a power source signal directly to the source driver circuit board.
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公开(公告)号：US10699614B2
公开(公告)日：2020-06-30
申请号：US16312554
申请日：2017-12-14
发明人： Wei Chen
摘要： A display panel detection method and a display panel detection device, the detection method comprising the following steps: storing an image used for detection in a source driver circuit board of a display panel; electrically connecting a power board generating a power signal directly to the source driver circuit board; transmitting a power signal and a clock signal to the source driver circuit board, the clock signal being directly generated by a source driver chip of the source driver circuit board; connecting a data transmission port of the display panel to a serial interface of a computer system, a detection program for comparing a sample image and an image being configured in the computer system; and comparing the pixel consistency of the image and the sample image so as to produce a comparison result.
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公开(公告)号：US10672314B2
公开(公告)日：2020-06-02
申请号：US16313464
申请日：2017-12-14
发明人： Wei Chen
IPC分类号： G09G3/00 , G06T7/00 , H04N17/00 , G09G3/20 , G02F1/1362
摘要： A display panel detection method and a display panel detection device, the detection method comprising the following steps: storing an image used for detection in a source driver circuit board of a display panel; electrically connecting a power board generating a power signal directly to the source driver circuit board; transmitting the power signal and a clock signal to the source driver circuit board, the clock signal being directly generated by the power board; connecting a data transmission port of the display panel to a serial interface of a computer system, a detection program for comparing a sample image and an image being configured in the computer system; and comparing the pixel consistency of the image and the sample image so as to produce a comparison result.
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公开(公告)号：US11275108B2
公开(公告)日：2022-03-15
申请号：US16475783
申请日：2017-08-10
发明人： Wei Chen
摘要： A display device and a testing method for a display panel are provided. The testing method for the display panel includes the steps of: storing an image signal for controlling the display panel to display a default image in a driver chip of the display panel, providing a power signal and a clock signal to the display panel, and retrieving the image signal and testing the display panel according to a preset test condition.
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公开(公告)号：US10777151B2
公开(公告)日：2020-09-15
申请号：US16245521
申请日：2019-01-11
发明人： Wei Chen
IPC分类号： G09G3/36 , G02F1/1333
摘要： Disclosed are a driving method of a display device, which includes the following operations: acquiring at least one of a color parameter of a pixel, image frequency and image isolation; determining a correction coefficient according to the color parameter, image frequency and/or image isolation; determining a display parameter according to the correction coefficient; controlling the pixel to display according to the display parameter.
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