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公开(公告)号：US20220084467A1
公开(公告)日：2022-03-17
申请号：US17477955
申请日：2021-09-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Baoyun WU , Zebang GUO , Hui ZHAO
IPC: G09G3/3258 , G09G5/10 , G09G3/3291
Abstract: A correction method of a cathode voltage is provided, including: controlling an image generator to send a first image test signal including a cathode voltage to a display module to be tested at each brightness level of the display module to be tested; controlling an optical measuring device to measure a first display parameter of the image displayed by the display module to be tested according to the first image test signal; obtaining the first display parameter from the optical measuring device, and determining whether the first display parameter is within a display parameter threshold ramie; progressively adjusting the cathode voltage according to a determination result, and using a second image test signal including an adjusted cathode voltage to test the display module to be tested and obtain a second display parameter until a corrected cathode voltage at a current brightness level is obtained.
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公开(公告)号：US20210005128A1
公开(公告)日：2021-01-07
申请号：US16915114
申请日：2020-06-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhenzhen LI , Hui ZHAO , Wenjing TAN
IPC: G09G3/20 , G09G3/3225
Abstract: The present disclosure provides an image processing method and device, and a display device. The image processing method comprises: acquiring an image brightness information; obtaining a gray scale compensation parameter of at least two band points of each first sub-image area according to brightness information and reference brightness of the at least two band points comprised in the brightness information of each first sub-image area of the image brightness information; obtaining the gray scale compensation information of each first sub-image area according to the gray scale compensation parameters of the at least two band points; and compensating the gray scale of the image according to the gray scale information of the M of first sub-image areas.
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公开(公告)号：US20200279536A1
公开(公告)日：2020-09-03
申请号：US16759830
申请日：2019-10-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhenzhen LI , Hui ZHAO
IPC: G09G3/36 , G09G3/20 , G09G3/3208
Abstract: The disclosure provides a display panel and a display method, the display panel includes multiple pixel arrangement units including a first pixel arrangement unit and a second pixel arrangement unit, at least a portion of the sub-pixel regions of the first pixel arrangement unit are vacant sub-pixel regions, each sub-pixel regions of the second pixel arrangement unit has one sub-pixel, the display method includes: generating an original image composed of multiple virtual pixels, adjacent virtual sub-pixels in any two adjacent virtual pixels correspond to a single sub-pixel region; controlling color original components of the virtual pixels corresponding to the vacant sub-pixel regions to be 0, acquiring color original components of the virtual sub-pixels in remaining virtual pixels; calculating a display component of each sub-pixel according to the corresponding color original component of in at least one virtual pixel corresponding there to.
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公开(公告)号：US20160247429A1
公开(公告)日：2016-08-25
申请号：US14435766
申请日：2014-09-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanzhao LI , Gang WANG , Jingang FANG , Hui ZHAO , Qijun ZHA
IPC: G09G3/00
CPC classification number: G09G3/006 , G01J5/0066 , G01J2001/4247 , G01J2005/0081 , G09G3/32 , G09G2320/0295 , G09G2330/10 , G09G2360/147 , H01L51/0031
Abstract: The present disclosure provides a method and a system for testing an OLED display device. The method includes steps of: applying a testing signal to the to-be-tested OLED display device; acquiring a measured distribution image for a testing region of the OLED display device to which the testing signal is applied; comparing the measured distribution image with a corresponding calibrated distribution image so as to obtain a comparison result; determining whether or not there is a back plate abnormal point at the testing region in accordance with the comparison result; and when the comparison result indicates that there is a back plate abnormal point at the testing region, determining a position of the back plate abnormal point on the OLED display device.
Abstract translation: 本公开提供了一种用于测试OLED显示装置的方法和系统。 该方法包括以下步骤：将测试信号施加到被测试的OLED显示设备; 获取测试信号被应用于所述OLED显示装置的测试区域的测量分布图像; 将测量的分布图像与相应的校准分布图像进行比较，以获得比较结果; 根据比较结果确定测试区域是否有背板异常点; 并且当比较结果表示在测试区域存在背板异常点时，确定OLED显示装置上背板异常点的位置。
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公开(公告)号：US20240334773A1
公开(公告)日：2024-10-03
申请号：US18251063
申请日：2022-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Mengyang WEN , Shiming SHI , Tao WANG , Libin LIU , Hui ZHAO , Guangliang SHANG , Yanli WANG
IPC: H10K59/131
CPC classification number: H10K59/1315
Abstract: A light-emitting device includes a substrate, an induction coil and at least one light-emitting unit. The induction coil is located on a side of the substrate, and the induction coil includes turns of conductive wiring disposed helically around a central region. The at least one light-emitting unit is located on a side of the induction coil away from the substrate. The light-emitting unit includes a first electrode and a second electrode, one of which is connected to an innermost turn of conductive wiring in the induction coil, and another one of which is connected to an outermost turn of conductive wiring in the induction coil. An area of a portion the central region covered by the at least one light-emitting unit in a direction perpendicular to the substrate is less than or equal to 50% of an area of the central region.
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Patent Agency Ranking
公开(公告)号：US20240263999A1
公开(公告)日：2024-08-08
申请号：US18005665
申请日：2021-11-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinshe YIN , Hui ZHAO , Xinbin HAN
CPC classification number: G01J3/46 , H03F3/45475
Abstract: A light detection module, a light detection method and a display device are provided. The light detection module includes N light sensing circuits, a control circuit, a conversion circuits and a detection circuits; N being a positive integer; the N light sensing circuits respectively sense light signals of different colors to generate corresponding photocurrents; the control circuit is configured to control to provide the photocurrents generated by the light sensing circuits to the conversion circuit in a time division manner, and to control a transfer coefficient of the conversion circuit; the conversion circuit is configured to convert the photocurrent according to the transfer coefficient to obtain an analog output voltage; the detection circuit is configured to obtain characteristics of the light signal according to the analog output voltage.
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公开(公告)号：US20240212590A1
公开(公告)日：2024-06-27
申请号：US17913894
申请日：2021-10-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jiangnan LU , Shiming SHI , Hui ZHAO , Libin LIU , Yanyan WANG , Weiwei WANG
IPC: G09G3/3208 , H10K59/35
CPC classification number: G09G3/3208 , H10K59/352 , H10K59/353 , G09G2300/0439
Abstract: The present disclosure provides a pixel array and a display apparatus. The pixel array includes a plurality of first sub-pixels having a first color, a plurality of second sub-pixels having a second color, and a plurality of third sub-pixels having a third color; wherein at least a portion of at least one first sub-pixel of the plurality of first sub-pixels includes an inward indentation, at least a portion of at least one second sub-pixel of the plurality of second sub-pixels includes an inward indentation, and at least one of the plurality of third sub-pixels adjacent to the at least one second sub-pixel includes an outward protrusion corresponding to the inward indentation of the at least one second sub-pixel.
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公开(公告)号：US20220059623A1
公开(公告)日：2022-02-24
申请号：US17453438
申请日：2021-11-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wenjing TAN , Lujiang HUANGFU , Hongli WANG , Hui ZHAO
Abstract: A pixel arrangement structure, a display substrate, and a display device. The pixel arrangement structure comprises pixel groups (10) extending in a first direction and arranged in a second direction, and each pixel group (10) comprises a first sub-pixel row (100), a second sub-pixel row (200), and a third sub-pixel row (300). The first sub-pixel row (100) comprises a plurality of first sub-pixels (110), the second sub-pixel row (200) comprises a plurality of second sub-pixel pairs (210), and the third sub-pixel row (300) comprises a plurality of third sub-pixels (310). The pitches of the plurality of first sub-pixels (110), the plurality of second sub-pixel pairs (210), and the plurality of third sub-pixels (310) in the first direction are same. In each pixel group (10), a line connecting the centers of a first sub-pixel (110) and a third sub-pixel (310) adjacent to each other are substantially parallel to the second direction, and the first sub-pixel row (100) and the second sub-pixel row (200) are shifted by one half of the pitch in the first direction. The orthographic projections of a second sub-pixel pair (210) and a first sub-pixel (110) adjacent to each other on a straight line extending in the first direction are overlapped, and the first sub-pixel rows (100) in the two adjacent pixel groups (10) are shifted by one-half of the pitch in the first direction. The pixel arrangement structure reduces the grainy sensation of the second sub-pixel pairs during display.
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公开(公告)号：US20210240300A1
公开(公告)日：2021-08-05
申请号：US16098477
申请日：2018-01-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinbin HAN , Hui ZHAO
Abstract: The present disclosure relates to an electroluminescent device, a touch panel and a touch display device. The electroluminescent device includes: an array substrate, a first electrode layer, an electroluminescent layer and a second electrode layer. The electroluminescent device further includes a force sensing layer electrically coupled to the first electrode layer and the second electrode layer; wherein the force sensing layer is a strain resistance material layer which outputs a voltage signal under driving of a power supply voltage provided by the first and second electrode layers.
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公开(公告)号：US20180247596A1
公开(公告)日：2018-08-30
申请号：US15552409
申请日：2017-03-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hui ZHAO , Libin LIU , Lei HU , Wenjing TAN
IPC: G09G3/3291 , G09G3/3233 , H05K1/18
CPC classification number: G09G3/3291 , G09G3/3208 , G09G3/3233 , G09G2310/0289 , G09G2320/0204 , G09G2330/026 , H05K1/18 , H05K2201/1003
Abstract: A circuit structure includes: a control circuit, including a first end, a second end and a control end; a switching circuit, including a first interface, a second interface and a control interface; a driving power line, connected with the control end of the control circuit and configured to provide a driving power voltage in a working stage to conduct the first end of the control circuit and the second end of the control circuit; and a first voltage line, connected with the first end of the control circuit and configured to, when the first end of the control circuit and the second end of the control circuit are conducted, provide a first voltage to the control interface of the switching circuit through the control circuit to disconnect the first interface of the switching circuit from the second interface of the switching circuit.
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