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公开(公告)号：US20250063816A1
公开(公告)日：2025-02-20
申请号：US18263214
申请日：2022-07-28
Inventor： Xuehuan FENG , Yongqian LI
IPC: H01L27/12 , H01L25/075 , H01L33/62 , H01L33/64
Abstract: A display substrate and a display device. The display substrate comprises: a base substrate, and a gate driving circuit and a plurality of sub-pixels arranged on the base substrate; the display substrate further comprises a heat dissipation hole structure, and at least part of an orthographic projection of the heat dissipation hole structure onto the base substrate is located between an orthographic projection of the gate driving circuit onto the base substrate and an orthographic projection of the sub-pixels onto the base substrate.
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公开(公告)号：US20250061851A1
公开(公告)日：2025-02-20
申请号：US18554822
申请日：2023-01-12
Inventor： Zhidong YUAN , Pan XU , Yongqian LI , Can YUAN
IPC: G09G3/3233
Abstract: A pixel circuit and a driving method thereof, and a display device are disclosed. The pixel circuit includes a driving circuit, a data writing circuit, a reset circuit, a light-emitting control circuit and a light-emitting element. The driving circuit includes a control terminal, a first terminal and a second terminal; the data writing circuit is connected to a first node to apply a data voltage; the reset circuit is connected to the first node to apply a reference voltage. The pixel circuit further includes a partition control circuit, which is connected to the first node and the control terminal, and is configured to apply the data voltage and the reference voltage to the control terminal; the reset circuit is connected to one of the first terminal and the second terminal of the driving circuit, and the reset circuit is further configured to apply an initialization voltage to the driving circuit.
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公开(公告)号：US12230188B2
公开(公告)日：2025-02-18
申请号：US18005017
申请日：2021-08-20
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G3/3266 , G09G3/32 , G11C19/28
Abstract: A shift resister includes a first scan unit and a black insertion circuit. The first scan unit includes a first input circuit and a first output circuit. The first input circuit is configured to transmit a display input signal to a first pull-up node. The first output circuit is configured to, in a case where the first input circuit transmits the display input signal to the first pull-up node, transmit a first clock signal to a first scan signal terminal. The black insertion circuit is configured to transmit a black insertion input signal to the first pull-up node. The first output circuit is further configured to, in a case where the black insertion circuit transmits the black insertion input signal to the first pull-up node, transmit the first clock signal to the first scan signal terminal.
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公开(公告)号：US20250037662A1
公开(公告)日：2025-01-30
申请号：US18918667
申请日：2024-10-17
Inventor： Yongqian LI , Can YUAN , Zhongyuan WU
IPC: G09G3/3233 , H10K59/131
Abstract: A display substrate and a display panel are provided. The display substrate includes: a base substrate; and a plurality of sub-pixels. Each sub-pixel includes a light-emitting element and a pixel circuit; the pixel circuit includes a driving circuit, a data writing circuit, a first control circuit, a second control circuit, and a light-emitting control circuit; the driving circuit is configured to control the driving current flowing through the light-emitting element; the light-emitting control circuit is configured to apply the driving current to the light-emitting element; the first control circuit is configured to write a reference voltage into the driving circuit; the second control circuit is configured to write an initial voltage into the first electrode of the light-emitting element; and orthographic projections of at least part of pixel circuits of every two adjacent sub-pixels in a same row of sub-pixels on the base substrate are mirror-symmetrical.
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公开(公告)号：US12213371B2
公开(公告)日：2025-01-28
申请号：US17637965
申请日：2021-03-22
Inventor： Wenbin Jia , Kaihong Ma , Zhijie Ye
IPC: H10K71/13 , H10K59/12 , H10K59/122 , H10K71/00
Abstract: A method of preparing organic functional layers of light-emitting device including: forming a plurality of holding portions in a pixel definition layer on a substrate; forming a plurality of ink droplets in the holding portions, the ink droplets including a first solvent, a second solvent and one or more solutes, a first saturated vapor pressure of the first solvent being higher than a second saturated vapor pressure of the second solvent, a solubility of the solutes in the first solvent being less than a solubility of the solutes in the second solvent, and a first affinity of lower parts of side walls of the holding portions for the first solvent is greater than a second affinity of the lower parts of the side walls of the holding portions for the second solvent; adjusting a vacuum degree of vacuum drying equipment to a first vacuum degree below the first saturated vapor pressure and above the second saturated vapor pressure to completely remove the first solvent; and adjusting the vacuum degree of the vacuum drying equipment to a second vacuum degree below the saturated vapor pressure of the second solvent to completely remove the second solvent.
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Patent Agency Ranking
公开(公告)号：US12211438B2
公开(公告)日：2025-01-28
申请号：US17789938
申请日：2021-07-09
Inventor： Yongqian Li , Can Yuan , Zhongyuan Wu
IPC: G09G3/3233 , H10K59/131
Abstract: A display substrate and a display panel are provided. The display substrate includes: a base substrate; and a plurality of sub-pixels. Each sub-pixel includes a light-emitting element and a pixel circuit; the pixel circuit includes a driving circuit, a data writing circuit, a first control circuit, a second control circuit, and a light-emitting control circuit; the driving circuit is configured to control the driving current flowing through the light-emitting element; the light-emitting control circuit is configured to apply the driving current to the light-emitting element; the first control circuit is configured to write a reference voltage into the driving circuit; the second control circuit is configured to write an initial voltage into the first electrode of the light-emitting element; and orthographic projections of at least part of pixel circuits of every two adjacent sub-pixels in a same row of sub-pixels on the base substrate are mirror-symmetrical.
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公开(公告)号：US20250014520A1
公开(公告)日：2025-01-09
申请号：US18272595
申请日：2022-07-28
Inventor： Zhidong YUAN , Yongqian LI , Can YUAN , Liu WU , Luke DING , Cheng XU , Miao LIU , Xing YAO
IPC: G09G3/3266 , G11C19/28
Abstract: Provided is a gate driver circuit. The gate driver circuit is applicable to a display panel, wherein the display panel includes a plurality of rows of pixels; the gate driver circuit including at least one gate driver sub-circuit; wherein the gate driver sub-circuit includes: at least two shift register groups, wherein each shift register group includes a plurality of shift register units; at least two first dummy units, wherein the at least two first dummy units are respectively coupled to a same input enable terminal and the at least two shift register groups; and at least two second dummy units, wherein the at least two second dummy units are coupled to the at least two shift register groups.
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公开(公告)号：US12191217B2
公开(公告)日：2025-01-07
申请号：US17435098
申请日：2020-02-27
Inventor： Yongqian Li , Can Yuan , Meng Li , Xuehuan Feng , Zhongyuan Wu , Zhidong Yuan
Abstract: The present disclosure provides a motherboard and a manufacturing method for the motherboard, the motherboard includes at least one display area, a periphery area surrounding the at least one display area, a plurality of test terminals, an electrostatic discharge line, a plurality of resistors and at least one thin film transistor. The plurality of test terminals are respectively electrically connected to the electrostatic discharge line through the plurality of resistors. At least one of the plurality of resistors includes an inorganic nonmetal trace. The at least one thin film transistor includes an active layer, and the inorganic nonmetal trace includes a same semiconductor matrix material as the active layer of the at least one thin film transistor.
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公开(公告)号：US20250006134A1
公开(公告)日：2025-01-02
申请号：US18277375
申请日：2022-07-25
Inventor： Xuehuan FENG , Jingbo XU , Xing YAO , Miao LIU
IPC: G09G3/3266 , G11C19/28
Abstract: There is provided a shift register unit, including: a sensing control circuit configured to write an active level signal provided by a sensing active level supply terminal to a first sensing control node in response to an active level signal provided by the random signal input terminal and an active level signal provided by a sensing signal input terminal; a first sensing input circuit configured to write an active level signal to a first pull-up node in response to an active level signal at the first sensing control node and an active level signal provided by a clock control signal input terminal; and a first driving output circuit configured to write a signal provided by a first driving clock signal input terminal to a first driving signal output terminal in response to an active level signal at the first pull-up node. Gate driving circuit and method are further disclosed.
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公开(公告)号：US12183281B2
公开(公告)日：2024-12-31
申请号：US18034374
申请日：2022-06-29
Inventor： Min He , Xiaolong Wei , Song Meng , Qiang Fei , Jingbo Xu , Cheng Xu , Miao Liu , Pengfei Yin
IPC: G09G3/3233 , G09G3/20
Abstract: Disclosed are a display panel and a display method thereof, and a display apparatus. The display panel includes multiple pixel units, a pixel unit includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit, a sense compensation circuit, and an element to be driven, and the display panel further includes a detection unit and a compensator; the pixel drive circuit is configured to drive the element to be driven in active time; the sense compensation circuit is configured to sense electrical characteristics of the element to be driven in blank time; the detection unit is configured to detect whether a currently displayed picture is a still picture, send a first notification to the compensator when the currently displayed picture is a still picture, and send a second notification to the compensator when the currently displayed picture is a non-still picture.
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