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公开(公告)号：US20240221606A1
公开(公告)日：2024-07-04
申请号：US17914180
申请日：2021-08-20
Inventor： Xiuling LI , Qibing GU , Guofeng HU , Bao FU , Wenchieh HUANG , Lingyun SHI
CPC classification number: G09G3/32 , H01L25/167 , H01L27/124 , G09G2300/0408 , G09G2330/021 , G09G2370/00
Abstract: The present disclosure provides a display apparatus, a display panel, and a method of driving a display panel. The display panel includes: a base substrate; a pixel array disposed on the base substrate, and including one or more pixel groups each of which includes a plurality of pixels; and a plurality of pixel driving chips disposed on the base substrate and configured to drive the pixel array to display, each of the pixel driving chips including a data signal terminal for receiving data signals and a control signal terminal, where for each of the pixel groups, the plurality of pixels in the pixel group are connected to a common pixel driving chip. A display frame of the display panel includes an address assignment stage and a data signal transmission stage. The method includes: inputting the control signal to the control signal terminal and inputting a first data signal to the data signal terminal in the address assignment stage; and inputting a second data signal to the data signal terminal in the data signal transmission stage. The present disclosure can reduce the number of signal lines and reduce power consumption.
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公开(公告)号：US20240194113A1
公开(公告)日：2024-06-13
申请号：US18245040
申请日：2022-05-23
Inventor： Qibing GU , Guofeng HU , Xiuling LI , Bao FU , Wenchieh HUANG , Lingyun SHI , Ming CHEN
CPC classification number: G09G3/2092 , G09G3/32 , H01L25/167 , H01L27/124 , G09G2300/0408 , G09G2310/08 , G09G2320/064 , G09G2330/021
Abstract: A pixel unit includes N light-emitting devices and a pixel driving chip. The pixel driving chip includes: a data signal terminal used to receive a data signal; a power supply signal terminal used to receive a power supply signal; and N signal channel terminals being in one-to-one correspondence with the N light-emitting devices. A first electrode of a first light-emitting device in the N light-emitting devices is configured to be coupled to the power supply signal terminal, a second electrode of an n-th light-emitting device in the N light-emitting devices is coupled to a first electrode of an (n+1)-th light-emitting device and an n-th signal channel terminal in the N signal channel terminals; N is a positive integer greater than 1, and n is a positive integer greater than or equal to 1 and less than or equal to N.
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Patent Agency Ranking
公开(公告)号：US20240079443A1
公开(公告)日：2024-03-07
申请号：US18507284
申请日：2023-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ming YANG , Wei HAO , Qibing GU , Guofeng HU , Lingyun SHI , Minghua XUAN , Can ZHANG
CPC classification number: H01L27/156 , H01L33/387 , H01L33/62
Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes light emitting units. Each light emitting unit includes a light emitting sub-unit including a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes electrical contact pairs, and each electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one electrical contact pairs in each connection line unit is connected with the light emitting diode chip; in each connection line unit, at least two first electrode contacts are arranged adjacent to each other, and at least two first electrode contacts are arranged between at least two second electrode contacts.
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公开(公告)号：US20230015967A1
公开(公告)日：2023-01-19
申请号：US17787012
申请日：2021-05-11
Inventor： Gaoming SUN , Guofeng HU
Abstract: A gaze point calculation apparatus includes: a first cache register, a multiplexer, an arithmetic unit assembly, and a state machine. The first cache register is configured to receive and store first coordinates and a plurality of calibration parameters required when second required are obtained through calculation according to the first coordinates. The state machine is configured to control the multiplexer to select each time at least one value from the first cache register and transmit same to the arithmetic unit assembly. The arithmetic unit assembly is configured to perform a preset operation on the at least one value received each time until the second coordinates are obtained, and output the second coordinates under control of the state machine.
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公开(公告)号：US20220123044A1
公开(公告)日：2022-04-21
申请号：US17281443
申请日：2020-01-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ming YANG , Wei HAO , Qibing GU , Guofeng HU , Lingyun SHI , Minghua XUAN , Can ZHANG
Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes a base substrate; and light emitting units on the base substrate. Each of the light emitting units includes a light emitting sub-unit, the light emitting sub-unit includes a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes at least two electrical contact pairs, and each of the at least two electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one of the at least two electrical contact pairs in each connection line unit is connected with the light emitting diode chip.
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公开(公告)号：US20220084460A1
公开(公告)日：2022-03-17
申请号：US17418585
申请日：2020-10-21
Inventor： Lingyun SHI , Wenchieh HUANG , Ming CHEN , Xue DONG , Haiwei SUN , Xiurong WANG , Qibing GU , Guofeng HU
IPC: G09G3/32
Abstract: A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.
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公开(公告)号：US20210407377A1
公开(公告)日：2021-12-30
申请号：US16754914
申请日：2019-11-14
Inventor： Yankai GAO , Ming CHEN , Lingyun SHI , Xin DUAN , Yuxin BI , Hong LIU , Mingjian YU , Guofeng HU
IPC: G09G3/32
Abstract: Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.
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