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公开(公告)号：US11798487B2
公开(公告)日：2023-10-24
申请号：US17769457
申请日：2021-03-01
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G3/3266 , H10K59/126 , H10K59/131 , G11C19/28
CPC classification number: G09G3/3266 , G11C19/28 , H10K59/126 , H10K59/1315 , G09G2310/0286
Abstract: A display panel has a display area including a plurality of pixel areas arranged in an array and a plurality of gate driving circuit areas. Each pixel area includes a pixel light-emitting sub-area and a pixel circuit sub-area arranged in a first direction. Pixel areas in each row correspond to at least two gate driving circuit areas each located between two adjacent pixel areas in this row. The display panel includes a gate driving circuit and a plurality of light-shielding portions. The gate driving circuit includes a plurality of shift registers that are cascaded. Each shift register includes a plurality of transistor groups, and each transistor group includes at least one transistor. Each light-shielding portion is located in a gate driving circuit area in which a transistor group is disposed, and is disposed on a periphery of the transistor group, and is electrically connected to a power supply signal line.
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公开(公告)号：US11798486B2
公开(公告)日：2023-10-24
申请号：US17764209
申请日：2021-05-20
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G3/3266 , G09G3/3225
CPC classification number: G09G3/3266 , G09G3/3225 , G09G2300/0426 , G09G2300/0842 , G09G2310/0286 , G09G2310/08 , G09G2320/029 , G09G2320/0233 , G09G2320/0252 , G09G2320/0257 , G09G2330/021
Abstract: A shift register, a gate drive circuit and a driving method therefor. The shift register includes a display pre-charge reset subcircuit, a sensing pre-charge reset subcircuit, a pull-down control subcircuit, an output subcircuit, a sensing cascade subcircuit and a black frame insertion cascade subcircuit. The display pre-charge reset subcircuit is configured to provide a signal of a first power supply end for a pull-up node under control of a first signal input end and provide a signal of a second power supply end to the pull-up node under control of a reset signal end; the sensing pre-charge reset subcircuit is configured to provide a signal of a first clock signal end to the pull-up node under control of the sensing cascade node and the first clock signal end, and provide a signal of the second power supply end to the pull-up node under control of a total reset end.
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公开(公告)号：US20230274680A1
公开(公告)日：2023-08-31
申请号：US18313576
申请日：2023-05-08
Inventor： Xuehuan FENG , Yongqian LI
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0286 , G09G2310/061 , G09G2310/08
Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are provided. The shift register unit includes an input circuit, a first control circuit, a blanking control circuit, a first output circuit, and a second output circuit. The input circuit is configured to control a level of a first node; the first control circuit is configured to control a level of the second node; the blanking control circuit is configured to control the level of the first node and the level of the second node; the first output circuit is configured to output a first output signal at the first output terminal; and the second output circuit is configured to output a second output signal at the second output terminal under control of the level of the second node.
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公开(公告)号：US20230252943A1
公开(公告)日：2023-08-10
申请号：US17788627
申请日：2021-09-13
Inventor： Zhidong YUAN , Can YUAN , Yongqian LI , Lang LIU
IPC: G09G3/3233 , G09G3/3283
CPC classification number: G09G3/3233 , G09G3/3283 , G09G2320/0247 , G09G2300/0426 , G09G2310/08
Abstract: The present disclosure provides a display control method and a display control device. The display control method is used for a display panel. The display panel includes at least a first display area and a second display area arranged in a first direction, the first display area is coupled to a first signal line, and the second display area is coupled to a second signal line. The display control method includes: controlling a first sub-pixel in the first display area to display an image via the first signal line; and controlling a second sub-pixel in the second display area to display an image via the second signal line. A light-emission phase of the first sub-pixel at most partially overlaps a light-emission phase of the second sub-pixel.
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公开(公告)号：US20230247872A1
公开(公告)日：2023-08-03
申请号：US17922456
申请日：2021-11-19
Inventor： Xuehuan FENG , Yongqian LI
IPC: H10K59/131 , H10K59/126 , H10K59/80 , G11C19/28 , G09G3/3266
CPC classification number: H10K59/131 , H10K59/126 , H10K59/8794 , G11C19/287 , G09G3/3266 , G09G2310/0286 , G09G2300/0426
Abstract: The present disclosure provides a display panel and a display device. The display panel includes a gate driving circuit including a first transistor; a base substrate; a functional layer located on a side of the base substrate, a material of the functional layer is a thermal conductive material, and the functional layer includes a first functional portion; an active layer located on a side of the functional layer away from the base substrate, the active layer includes a first active portion including at least one first active sub-portion which is configured to form a channel region of the first transistor; a second conductive layer located on a side of the active layer away from the base substrate, the second conductive layer includes a first conductive portion connected to the first functional portion through a first via hole.
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Patent Agency Ranking
公开(公告)号：US20230217727A1
公开(公告)日：2023-07-06
申请号：US17998298
申请日：2021-10-22
Inventor： Wentong HUANG
IPC: H10K59/122 , H10K71/13 , H10K59/12
CPC classification number: H10K59/122 , H10K71/135 , H10K59/1201
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate; anodes and a mark pattern including at least one first mark pattern; a pixel defining layer having openings, wherein the orthographic projection of each opening on the base substrate at least partially overlaps with that of a corresponding anode, and the orthographic projection of the mark pattern on the base substrate is located within that of the pixel defining layer; at least one group of ink droplets including one or more ink droplets, and the orthographic projection of each ink droplet on the base substrate is located within that of the pixel defining layer; a functional layer including at least one sub-layer including a light-emitting layer, and the material of each group of ink droplets is the same as that of a sub-layer; and a cathode.
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公开(公告)号：US20230162686A1
公开(公告)日：2023-05-25
申请号：US17769457
申请日：2021-03-01
Inventor： Xuehuan FENG , Yongqian LI
IPC: G09G3/3266 , G11C19/28 , H10K59/126 , H10K59/131
CPC classification number: G09G3/3266 , G11C19/28 , H10K59/126 , H10K59/1315 , G09G2310/0286
Abstract: A display panel has a display area including a plurality of pixel areas arranged in an array and a plurality of gate driving circuit areas. Each pixel area includes a pixel light-emitting sub-area and a pixel circuit sub-area arranged in a first direction. Pixel areas in each row correspond to at least two gate driving circuit areas each located between two adjacent pixel areas in this row. The display panel includes a gate driving circuit and a plurality of light-shielding portions. The gate driving circuit includes a plurality of shift registers that are cascaded. Each shift register includes a plurality of transistor groups, and each transistor group includes at least one transistor. Each light-shielding portion is located in a gate driving circuit area in which a transistor group is disposed, and is disposed on a periphery of the transistor group, and is electrically connected to a power supply signal line.
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238.发明公开公开(公告)号：US20230148117A1
公开(公告)日：2023-05-11
申请号：US17791748
申请日：2020-12-26
Inventor： Xuehuan FENG , Yongqian LI
CPC classification number: G11C19/28 , G09G3/20 , G09G2310/0286
Abstract: A shift register a first scan unit a leakage prevention unit, and a leakage input unit. The first scan unit includes a first input circuit configured to transmit an input signal to a first pull-up node. The leakage prevention input unit is configured to: in response to a first voltage signal received at a first voltage signal terminal, transmit a the first voltage signal to a leakage prevention input node and in response to a second voltage signal received at a second voltage signal terminal, to transmit the second voltage signal to the leakage prevention input node (M) in The first voltage signal and the second voltage signal are mutually inverted signals. The leakage prevention unit is configured to transmit one of the first voltage signal and the second voltage signal from the leakage prevention input node to a first leakage prevention node.
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公开(公告)号：US20230146536A1
公开(公告)日：2023-05-11
申请号：US17907089
申请日：2021-11-15
Inventor： Yue HU , Koji HANAWA , Dacheng ZHANG , Meixiu ZHANG
IPC: H10K50/826 , H10K50/17 , H10K71/60 , H10K85/60
CPC classification number: H10K50/826 , H10K50/171 , H10K71/611 , H10K85/631 , H10K85/6565 , H10K85/654 , H10K50/15
Abstract: A display device and method for manufacturing the same. The display device includes an anode layer, hole injection layer, hole transport layer, light-emitting material layer, electron transport layer, electron injection layer and cathode layer arranged in sequence. The electron injection layer includes at least one electron injection layer. At least one high impedance layer is further arranged between at least one of the electron injection layers and the cathode layer. The resistivity of the electron injection layer and resistivity of the cathode layer are both smaller than the resistivity of the high impedance layer. The display device and the method for manufacturing the same can solve the problem of short circuit between cathode and anode of the display device caused by particles, significantly reduce the number of dark spots on the panel of the display device, and improve the panel yield of the display device.
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公开(公告)号：US20230103281A9
公开(公告)日：2023-03-30
申请号：US17424483
申请日：2020-08-24
Inventor： Xuehuan FENG , Yongqian LI
IPC: G09G3/20
Abstract: The disclosure provides a shift register, a drive method thereof, a gate drive circuit, and a display panel. The shift register comprises a first shift register unit and a second shift register unit. The first shift register unit comprises a first input circuit, a first output circuit, a first pull-down circuit and a unidirectional isolation circuit, the first input circuit is connected to a first input terminal and a first pull-up node, the first output circuit is connected to the first pull-up node, a first output terminal and a first clock terminal, and the first output terminal is connected to the first pull-down circuit by means of the unidirectional isolation circuit; and the second shift register unit comprises a second input circuit and a second output circuit, the second input circuit is connected to a second input terminal and a second pull-up node, the second output circuit is connected to the second pull-up node, a second output terminal and a second clock signal, and the second output terminal is connected to a node between the first pull-down circuit and the unidirectional isolation circuit.
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