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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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公开(公告)号：US12211440B2
公开(公告)日：2025-01-28
申请号：US17914655
申请日：2021-11-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hualing Yang , Lina Liu , Wenxiu Zhu
IPC: G09G3/3233
Abstract: A starting signal providing module, a starting signal providing method and a splicing display device are provided. The starting signal providing module comprises a detection circuit, a plurality of signal generating circuits and a plurality of enabling circuits. The signal generating circuit is configured to generate and provide a feedback signal to the detecting circuit when a last-stage scan driving signal output terminal of a scan driving circuit in a corresponding display panel outputs a valid scan driving signal. The detection circuit is configured to provide an enabling control signal to enabling circuits corresponding to at least two signal generating circuits according to the feedback signals from at least two signal generating circuits. The enabling circuit is configured to control a starting signal to be supplied to a scan driving circuit included in a corresponding display panel upon receiving the enabling control signal.
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公开(公告)号：US10748467B2
公开(公告)日：2020-08-18
申请号：US16434842
申请日：2019-06-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hualing Yang , Lina Liu
Abstract: A display panel, a display method thereof and a display device are provided. The display panel includes a display area, a non-display area separated from the display area by the special-shape edge, and a driver chip, wherein the display area includes first pixels proximate to the special-shape edge, and second pixels away from the special-shape edge, and the first pixel is divided into a first part in the display area and a second part in the non-display area; and for the first pixel, the driver chip is configured: to determine a target grayscale value G of each first pixel according to G=255*K(1/2.2); and to replace the current grayscale value corresponding to the first pixel in the current grayscale database of the display panel with the target grayscale value G, to form a target grayscale database.
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公开(公告)号：US10395597B2
公开(公告)日：2019-08-27
申请号：US15864461
申请日：2018-01-08
Inventor： Hualing Yang , Lina Liu
IPC: G09G3/3258
Abstract: A method for adjusting a gamma voltage of a curved display panel includes following steps. A first gamma voltage is used as a gamma voltage of a planar display region of a curved display panel in a situation that the planar display region of the curved display panel is horizontally placed and in a white balance state. A curved display region of the curved display panel is divided into a plurality of sub-regions according to a bending degree of the curved display region of the curved display panel. A plurality of inclined angles are determined. A plurality of second gamma voltages are determined in a one-to-one correspondence with the plurality of inclined angles in a situation that the planar display region of the curved display panel is tilted at the plurality of inclined angles and in the white balance state.
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公开(公告)号：US11532273B2
公开(公告)日：2022-12-20
申请号：US17352272
申请日：2021-06-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hualing Yang , Xinshe Yin
IPC: G09G3/325
Abstract: An array substrate comprising a plurality of pixel units and an external compensation circuit; wherein, for each pixel unit of the plurality of pixel units, the pixel unit comprises a detection switch device, and the pixel unit is connected to a corresponding input end of a multiplexer of the external compensation circuit through the detection switch device; the external compensation circuit is configured: to acquire first data in a case that the detection switch device is opened, the first data comprising noise data caused by a level jump of the multiplexer of the external compensation circuit; to acquire second data in a case that the detection switch device is closed, the second data comprising the noise data and electrical data of the pixel unit; and to obtain the electrical data according to the first data and the second data.
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Patent Agency Ranking
公开(公告)号：US20190130795A1
公开(公告)日：2019-05-02
申请号：US16168458
申请日：2018-10-23
Inventor： Hualing Yang , Lina Liu
Abstract: The present disclosure relates to a display control apparatus and method and a display apparatus, and belongs to the field of display technologies. The display control apparatus includes a status obtaining module configured to determine either one of a first display area and a second display area as a primary display area and determine the other one as a secondary display area in response to a preset trigger action. The display control apparatus includes a resolution adjusting module configured to adjust image data transmitted to the display apparatus to match a resolution of the primary display area. The display control apparatus includes a display control module configured to control the primary display area to display based on the image data received by the display apparatus.
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公开(公告)号：US10269286B2
公开(公告)日：2019-04-23
申请号：US15228025
申请日：2016-08-04
Inventor： Zhiguang Zhang , KwangGyun Jang , Chang Zhang , Hualing Yang , Jing Liu
IPC: G09G3/20 , G09G3/3225
Abstract: Embodiments of the present disclosure provide gamma correction method and device for a display module. The gamma correction method includes: determining, for each sub-pixel of a display module to be corrected, the highest data voltage and the lowest data voltage after gamma correction of the highest gray scale and the lowest gray scale of the display module; determining at least one set of alternative gamma register values that are capable of performing gamma correction of the display module; determining at least one set of gamma register values to be corrected for respective gray scales before the gamma correction of the display module; and performing gamma correction of the display module by adjusting the gamma register value corresponding to the gray scale to be corrected which needs to perform gamma correction.
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公开(公告)号：US12236883B2
公开(公告)日：2025-02-25
申请号：US18566530
申请日：2021-06-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinshe Yin , Guangliang Shang , Hualing Yang , Xinbin Han , Jianchao Zhu
IPC: G09G3/3241
Abstract: A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.
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公开(公告)号：US11967285B2
公开(公告)日：2024-04-23
申请号：US18245107
申请日：2022-03-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinshe Yin , Xinbin Han , Hualing Yang
IPC: G09G3/3258 , G09G3/20
CPC classification number: G09G3/3258 , G09G3/2096 , G09G2300/0452 , G09G2300/0819 , G09G2300/0842 , G09G2320/045 , G09G2320/0626 , G09G2330/028
Abstract: A display panel includes sub-pixels and set voltage generation circuit(s); each sub-pixel includes a pixel driving circuit and a first light-emitting device, the pixel driving circuit includes at least a driving transistor and a sensing transistor, a first electrode of the sensing transistor is electrically connected to a sensing signal terminal; an output terminal of a set voltage generation circuit is electrically connected to a sensing signal terminal of at least one sub-pixel; the set voltage generation circuit is configured to generate a set voltage signal and transmit it to a sensing transistor of the at least one sub-pixel and a second electrode of a driving transistor of the at least one sub-pixel in a sensing period; and a voltage of the set voltage signal is substantially equal to a voltage of the second electrode of the driving transistor of the at least one sub-pixel in the driving period.
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公开(公告)号：US10460655B2
公开(公告)日：2019-10-29
申请号：US15547236
申请日：2017-02-28
Inventor： Chang Zhang , Kwanggyun Jang , Jing Liu , Zhiguang Zhang , Hualing Yang
IPC: G09G3/3225 , H04N9/69 , H04N1/60 , H04N5/202
Abstract: The present disclosure provides a gamma tuning method and a gamma tuning device. The gamma tuning method includes steps of: comparing grayscale binding points of a to-be-debugged module with a standard gamma curve; determining a to-be-tuned grayscale binding point from the grayscale binding points of the to-be-debugged module in accordance with a comparison result between the grayscale binding points of the to-be-debugged module and the standard gamma curve; and tuning a grayscale brightness value of the to-be-tuned grayscale binding point in accordance with a target brightness value of the grayscale binding point on the standard gamma curve.
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