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公开(公告)号：US12170065B2
公开(公告)日：2024-12-17
申请号：US18028038
申请日：2022-03-25
Inventor： Xuesong Tian , Shiming Li
IPC: G09G3/3258 , G09G3/3291
Abstract: A pixel circuit, a pixel drive method and a display device are provided. The pixel circuit includes an energy storage control circuit, an energy storage circuit, a first initialization circuit, a drive circuit, and a light-emitting element. The first initialization circuit writes a first initial voltage into a control terminal of the drive circuit under control of a first initialization control signal. The energy storage control circuit control a second end of the energy storage circuit to be connected to the first voltage terminal under control of an energy storage control signal in a refresh frame, and is configured to control the second end of the energy storage circuit to be disconnected from the first voltage terminal under control of the energy storage control signal in an initialization phase included in a hold frame and a data writing phase included in the hold frame.
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公开(公告)号：US11386855B2
公开(公告)日：2022-07-12
申请号：US17269546
申请日：2020-05-20
Inventor： Hengzhen Liang , Xuesong Tian , Wen Xu , Xu Lu
IPC: G09G3/3291 , G09G3/20
Abstract: A voltage control circuit is configured to connected to a display panel, the display panel includes a plurality of pixels, the plurality of pixels includes a first pixel and a second pixel, and the first pixel and the second pixel are pixels corresponding to different colors. The voltage control circuit is configured to provide a first voltage to the first pixel and a second voltage to the second pixel at a first time and a second time, respectively; the first voltage provided at the first time is different from the second voltage provided at the first time, and the first voltage provided at the second time is identical with the second voltage provided at the second time.
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Patent Agency Ranking
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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4.发明授权公开(公告)号：US12205535B2
公开(公告)日：2025-01-21
申请号：US18028568
申请日：2022-06-30
Inventor： Tan Jing , Xuesong Tian , Shanchuan Jin , Shiming Li , Eunho Lee
IPC: G09G3/3208
Abstract: A compensation apparatus and method, a display apparatus and a working method thereof, and a storage medium are provided, the compensation apparatus includes a first memory, a first timer and a processor; the first timer starts timing from the processor receiving the pixel data to obtain the first timing information and send the first timing information to the processor; the processor receives the pixel data and the first timing information, compensate the gray-scale data of the pixel data according to the first timing information and the compensation parameters in the pre-term compensation parameter set when the first timing information does not reach the first time node value, compensate the gray-scale data of the pixel data according to the first timing information and the compensation parameters in the mid-term compensation parameter set.
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公开(公告)号：US20240304149A1
公开(公告)日：2024-09-12
申请号：US18028038
申请日：2022-03-25
Inventor： Xuesong Tian , Shiming Li
IPC: G09G3/3258 , G09G3/3291
CPC classification number: G09G3/3258 , G09G3/3291 , G09G2300/0842 , G09G2310/08 , G09G2320/0233 , G09G2320/0247 , G09G2330/021
Abstract: A pixel circuit, a pixel drive method and a display device are provided. The pixel circuit includes an energy storage control circuit, an energy storage circuit, a first initialization circuit, a drive circuit, and a light-emitting element. The first initialization circuit writes a first initial voltage into a control terminal of the drive circuit under control of a first initialization control signal. The energy storage control circuit control a second end of the energy storage circuit to be connected to the first voltage terminal under control of an energy storage control signal in a refresh frame, and is configured to control the second end of the energy storage circuit to be disconnected from the first voltage terminal under control of the energy storage control signal in an initialization phase included in a hold frame and a data writing phase included in the hold frame.
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公开(公告)号：US20240233631A1
公开(公告)日：2024-07-11
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
CPC classification number: G09G3/3225 , G09G2300/0819 , G09G2300/0842 , G09G2310/08 , G09G2320/0252 , G09G2340/0435 , G09G2370/00
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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7.发明授权公开(公告)号：US11189209B2
公开(公告)日：2021-11-30
申请号：US16944626
申请日：2020-07-31
Inventor： Xuesong Tian , Renjie Ding
IPC: G09G3/20 , G09G3/3225
Abstract: The present disclosure discloses a method and device for correcting display brightness of a display module and a display module. The method includes: receiving target brightness of the display module; determining target brightness components of sub-pixels of various colors corresponding to the target brightness according to a chromaticity coordinate of the target brightness and characteristics of luminescence of the sub-pixels of various colors in the display module; determining an initial gamma register value according to the target brightness components of the sub-pixels of various colors corresponding to the target brightness; performing gamma correction on the display module according to the initial gamma register value, and detecting the display brightness; and in response to determining that a difference value between the display brightness and the target brightness exceeds a first preset range, correcting the display brightness by adjusting the initial gamma register value according to the difference value.
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