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公开(公告)号：US20210217347A1
公开(公告)日：2021-07-15
申请号：US16954596
申请日：2020-01-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhenzhen Li , Hui Zhao
IPC: G09G3/20
Abstract: A method for identifying a display current includes: acquiring grayscales of pixels in a to-be-displayed image, where the grayscale of each pixel includes grayscales of a plurality of color channels; calculating an average grayscale of a same color channel of all pixels in the to-be-displayed image; identifying a current value of each color channel and a current offset value of each color channel according to the average grayscale of each color channel, where the current offset value represents a difference between a display current value of a nonmonochromatic image and a display current sum of monochromatic images corresponding to the nonmonochromatic image; and calculating a display current of the to-be-displayed image based on the current value and the current offset value of each color channel.
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公开(公告)号：US20240377250A1
公开(公告)日：2024-11-14
申请号：US18032923
申请日：2022-01-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinshe Yin , Hui Zhao , Xinbin Han
Abstract: A photocurrent amplification circuit, an amplification control method, an optical detection module and a display apparatus are provided, where the photocurrent amplification circuit includes a photoelectric sensor, a compensation circuit, a reset circuit, an energy storage circuit and a drive circuit, and the photoelectric sensor is configured to sense the optical signal and convert the optical signal into the photocurrent signal; the compensation circuit controls the communication between the control terminal of the drive circuit and the first terminal of the drive circuit under the control of the compensation control signal; the reset circuit controls the communication between the first voltage terminal and the control terminal of the drive circuit under the control of the reset control signal.
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公开(公告)号：US11538865B2
公开(公告)日：2022-12-27
申请号：US16945651
申请日：2020-07-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wenjing Tan , Hui Zhao
Abstract: A display panel includes a base, a plurality of first pixels disposed on the base, and at least one second pixel disposed on the base. The base has a plurality of island regions spaced apart and a plurality of bridge regions connecting the plurality of island regions. Each bridge region includes a first region and two second regions disposed on two opposite sides of the first region. Each second region is directly connected to a corresponding one of the plurality of island regions. The base includes a plurality of openings, each opening is disposed between two adjacent bridge regions. Each island region is provided with at least one first pixel therein. The at least one second pixel is disposed in at least one of second regions of the plurality of bridge regions.
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公开(公告)号：US11120727B2
公开(公告)日：2021-09-14
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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15.发明授权公开(公告)号：US10431137B2
公开(公告)日：2019-10-01
申请号：US15106887
申请日：2015-10-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hui Zhao
IPC: G09G3/20 , G09G3/3283 , G09G3/36
Abstract: A display driving method, a display panel and a manufacturing method thereof, and a display apparatus are provided. The display driving method comprises: driving a display area of a display panel by using at least two data driving circuits (101); driving a part of display area of the display panel by each of the data driving circuits (102); and splicing display areas driven by respective data driving circuits as an entire display area (103). In the display driving method, the display area of the display panel is driven for display by using a plurality of data driving circuits. In this way, the display area driven by each of the data driving circuits is relatively small, and then a difference value of a distance from the data driving circuit to respective columns of sub-pixels within the driven display area is relatively small, so that the resulted difference of luminance is weakened.
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Patent Agency Ranking
16.发明授权公开(公告)号：US10247772B2
公开(公告)日：2019-04-02
申请号：US15159181
申请日：2016-05-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lei Hu , Hui Zhao , Wenjing Tan
Abstract: The present invention discloses a position calibration method, a test circuit board, a sample panel and a position calibration apparatus. The position calibration method comprises: Step S1, providing a test circuit board and forming at least one first sample connecting finger; Step S2, making a sample panel comprising second sample connecting fingers corresponding to each first sample connecting finger; Step S3, bringing the test circuit board into contact with the sample panel; and Step S4, detecting whether each first sample connecting finger is electrically connected to a corresponding second sample connecting finger, and when any one of the first sample connecting fingers is detected as in disconnection with the corresponding second sample connecting finger, adjusting a position of the test circuit board and/or the sample panel.
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公开(公告)号：US09848155B2
公开(公告)日：2017-12-19
申请号：US15151874
申请日：2016-05-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanfu Li , Katsuhiro Masuyama , Zhigang Zhou , Hui Zhao
IPC: H04N5/44 , H04N21/422 , H04N21/475
CPC classification number: H04N5/4403 , H04N21/42201 , H04N21/42222 , H04N21/4753 , H04N2005/441 , H04N2005/4412 , H04N2005/4428 , H04N2005/4442 , H04N2005/4444
Abstract: The present disclosure provides a TV program playing method, a remote control and a TV, and the method comprises: obtaining, by the remote control, a first unlock instruction triggered by a first user when a TV system is in standby state; obtaining, by the remote control, a first heart rate feature information of the first user via the optical sensor according to the first unlock instruction; sending, by the remote control, a first playing instruction carrying an identifier of the first user to the TV when a difference between the first heart rate feature information and a second heart rate feature information in a feature library is less than a threshold so that the TV plays a program in a program list corresponding to the identifier of the first user, wherein the feature library pre-stores corresponding relationship between identifiers and heart rate feature information of users.
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公开(公告)号：US12228454B2
公开(公告)日：2025-02-18
申请号：US18005665
申请日：2021-11-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinshe Yin , Hui Zhao , Xinbin Han
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：US12190800B2
公开(公告)日：2025-01-07
申请号：US18246047
申请日：2022-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Baoyun Wu , Yang Yu , Yuanzhang Zhu , Xuesong Tian , Xinbin Han , Shiming Shi , Hui Zhao , Hualing Yang
IPC: G09G3/3225 , G09G3/20 , G09G3/3266
Abstract: A display controller, a display device, a display system, and a control method are provided. The display controller includes: a flag-signal circuit configured to send a flag-signal to an application processor; an image processing circuit configured to obtain second current image data in response to receiving first current image data from the application processor, wherein the first current image data is sent by the application processor in response to receiving the flag-signal sent from the flag-signal circuit; and a drive circuit configured to generate a first drive control signal in response to receiving the second current image data from the image processing circuit.
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公开(公告)号：US11663974B2
公开(公告)日：2023-05-30
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 , G09G3/3291 , G09G5/10 , G09G3/00
CPC classification number: G09G3/3258 , G09G3/3291 , G09G5/10 , G09G2320/0626
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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