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21.发明授权公开(公告)号：US12081954B2
公开(公告)日：2024-09-03
申请号：US17790089
申请日：2021-05-24
Inventor： Zhaohui Meng , Jing Liu , Wei Sun , Li Tian
CPC classification number: H04R5/04 , H04R5/02 , H04R2420/01 , H04R2499/15 , H04S5/005 , H04S2400/05
Abstract: A virtual surround sound production circuit includes: a subtraction unit configured to perform subtraction operation on first and second signals to output a third signal; a first addition unit configured to perform addition operation on the first and second signals to output a center channel signal; a surround sound adjustment unit configured to adjust the third signal or another third signal that has undergone frequency compensation to output a fourth signal; a center compensation unit configured to adjust the center channel signal to output a fifth signal; a second addition unit configured to perform addition operation on the first, fourth and fifth signals to output a first output signal; a phase inverter unit configured to perform phase inversion on the fourth signal to generate a phase-inverted signal; and a third addition unit configured to perform addition operation on the second, fifth and phase-inverted signals to output a second output signal.
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公开(公告)号：US20240265842A1
公开(公告)日：2024-08-08
申请号：US18021228
申请日：2022-01-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yilin Feng , Zhaohui Meng
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2320/0233 , G09G2320/0257 , G09G2320/0271 , G09G2360/144 , G09G2360/16
Abstract: A brightness adjustment method, a brightness adjustment device and a display device are provided. The brightness adjustment method includes: dividing into M first regions in accordance with a distribution state of common voltages Vcom, a difference between the common voltages Vcom in different first regions being greater than a first threshold; dividing into N second regions in accordance with a distribution state of pixel voltages Vpixel, a difference between the pixel voltages Vpixel in different second regions being greater than a second threshold; calculating a voltage compensation value in each first region; calculating a voltage compensation value in each second region; overlapping the M first regions and the N second regions to obtain M*N adjustment regions; calculating gamma voltages at different grayscales in each adjustment region to obtain a set of gamma data about the M*N adjustment regions; driving a display module to display in accordance with the gamma data.
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公开(公告)号：US12039121B2
公开(公告)日：2024-07-16
申请号：US17642813
申请日：2021-05-18
Inventor： Hong Yang , Zhaohui Meng
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/147 , G09G5/026 , G09G5/20 , G09G5/377 , G09G2320/0252
Abstract: A touch display driving module for performing a touch display driving operation on a display screen, a touch display driving method for the touch display driving module, and a display device are provided. The touch display driving module includes a touch detection chip, a time sequence touch control chip and a host. The time sequence touch control chip performs data calculation in accordance with a touch data signal to generate touch point coordinate information, generate touch point image information in accordance with the touch point coordinate information, and display the touch point image on a display screen in accordance with the touch point image information, the host performs control response in accordance with the touch point coordinate information to generate control response image information, and returns the control response image information, the time sequence touch control chip displays the control response image on the display screen.
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公开(公告)号：US11543915B2
公开(公告)日：2023-01-03
申请号：US17324259
申请日：2021-05-19
Inventor： Zhaohui Meng , Wei Sun , Lin Cong
IPC: G06F3/041 , G06F3/0354 , G06F3/044
Abstract: A touch detection method includes: scanning a reference scan region according to a first control protocol to collect initial touch signals including an initial trigger signal; determining position information of a starting point according to the initial touch signals; reporting the position information of the starting point; switching the first control protocol to a second control protocol; and performing following operations at least once: determining a current target scan region, scanning the current target scan region according to the second control protocol to collect current touch signals including a current trigger signal, determining position information of a touch point according to the current touch signals, and reporting the position information of the touch point. An area of the current target scan region is less than an area of the reference scan region.
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公开(公告)号：US11508325B2
公开(公告)日：2022-11-22
申请号：US16957659
申请日：2019-12-26
Inventor： Jingchao Yuan , Zhaohui Meng , Wenchao Han , Wei Sun , Xue Dong , Ming Chen
IPC: G09G3/36
Abstract: The present disclosure provides a pixel structure, a method of driving the same and a display device. The pixel structure includes gate lines, data lines, and a plurality of subpixels arranged in an array form. Subpixels in each row correspond to two gate lines. Each data line corresponds to the subpixels in two adjacent columns, and each data line is arranged between the two adjacent columns of subpixels. Among the subpixels in each row, three adjacent subpixels are in different colors and forms a complete pixel unit. Among the subpixels in each column, three adjacent subpixels are in different colors and forms the complete pixel unit. Among the subpixels in two adjacent columns, the subpixels in two adjacent rows form two complete pixel units each including three subpixels, and two of the three subpixels are shared by the two pixel unit.
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Patent Agency Ranking
公开(公告)号：US11126279B2
公开(公告)日：2021-09-21
申请号：US16597900
申请日：2019-10-10
Inventor： Zhaohui Meng , Wei Sun , Wenchao Han , Xinle Wang , Yilin Feng , Guangquan Wang
IPC: G06F3/0354 , G06F3/038 , G06F3/044 , G06F3/041
Abstract: A stylus pen that includes a tip electrode, a power supply circuit, a signal detector, and a drive circuit where an output signal is transmitted to and an input signal is received from a touch panel via the tip electrode. The power supply circuit of the stylus pen selectively supplies a first supply voltage or a second supply voltage. The signal detector of the stylus pen detects an enable signal from the input signal and the signal detector of the stylus pen controls the power supply circuit to supply the first supply voltage in response to presence of the enable signal. The drive circuit operates at the first supply voltage to generate the output signal.
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公开(公告)号：US10296133B2
公开(公告)日：2019-05-21
申请号：US15555308
申请日：2017-04-11
Inventor： Zhaohui Meng
Abstract: The present disclosure discloses a touch screen and a touch positioning method thereof, and a display device. The touch screen comprises: a plurality of mutually insulated fan-shaped first touch sensing electrodes and a plurality of mutually insulated and non-overlapped second touch sensing electrodes mutually insulated from the first touch sensing electrodes. The fan-shaped first touch sensing electrodes are arranged in a circle, and each of the second touch sensing electrodes is shaped like a non-closed ring concentrically arranged with the circle.
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28.发明申请公开(公告)号：US20180308429A1
公开(公告)日：2018-10-25
申请号：US15578640
申请日：2017-06-22
Inventor： Zhaohui Meng , Dong Chen , Xue Dong
IPC: G09G3/3258 , G09G3/3275
CPC classification number: G09G3/3258 , G09G3/3225 , G09G3/3275 , G09G2320/0276 , G09G2320/0285 , G09G2320/0626
Abstract: The present disclosure provides a brightness control method, a brightness control device, an AMOLED panel and an electronic device. The brightness control method includes steps of: determining a brightness value L to be displayed by the AMOLED panel in accordance with a received brightness adjustment instruction; calculating an actual brightness value L′ to be outputted by the electroluminescent element corresponding to the brightness value L in accordance with a predetermined brightness relationship, the actual brightness value L′ corresponding to one grayscale; and controlling a data output unit to output a voltage signal corresponding to the actual brightness value L′.
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公开(公告)号：US12302729B2
公开(公告)日：2025-05-13
申请号：US17778218
申请日：2021-07-27
Inventor： Zhaohui Meng
IPC: G09G3/20 , G09G3/3208 , H10K59/35 , H10K59/90
Abstract: The present disclosure provides a display panel, a display device and a display driving method. The display panel includes a first display region and a second display region each including a plurality of pixel repeat units, each pixel repeat unit includes two pixel groups in adjacent pixel rows, and the two pixel groups in a same pixel repeat unit are closest to each other relative to two pixel groups in different pixel repeat units. Each pixel group includes a plurality of sub-pixels in different colors, and the sub-pixels in different colors are arranged in different modes along a pixel row direction in the two pixel groups in a same pixel repeat unit.
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公开(公告)号：US12254851B2
公开(公告)日：2025-03-18
申请号：US18018730
申请日：2022-01-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yilin Feng , Zhaohui Meng , Yuxin Bi , Zhengri Lin , Yang Gao
IPC: G09G5/10
Abstract: The application provides a brightness detection method, a computer device and a readable medium, where the brightness detection method includes: using each of display modules in a display module production line as a test module separately, where the test module is provided with a photosensitive sensor; obtaining a brightness algorithm formula of the photosensitive sensor of each of the test module; and performing, according to the brightness algorithm formula, ambient light detection by the photosensitive sensor.
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