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361.发明申请公开(公告)号：US20220406253A1
公开(公告)日：2022-12-22
申请号：US17620212
申请日：2020-12-23
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN
IPC: G09G3/3233
Abstract: A display apparatus, a display panel, and a driving method thereof, and a method of detecting a pixel circuit are described. The display panel of the present disclosure includes a pixel unit and a detection apparatus, and the pixel unit includes a pixel circuit and a light-emitting element. The pixel circuit includes a first transistor, a second transistor, a driving transistor, and a storage capacitor. The detection device is configured to: turn off the first transistor and the second transistor, and detect an amount of current leakage of the driving transistor leaked through the sensing line to obtain a first current leakage parameter; detect a first characteristic parameter of the driving transistor to obtain a first reference characteristic parameter; and determine a first target characteristic parameter according to the first current leakage parameter and the first reference characteristic parameter.
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362.发明授权公开(公告)号：US11532278B2
公开(公告)日：2022-12-20
申请号：US17512533
申请日：2021-10-27
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G3/3266 , G09G3/3225 , G11C19/28
Abstract: A shift register driving method includes: in a black insertion driving period, the black insertion input circuit, in response to a black insertion control signal, causing the output circuit to first output a first sense driving signal and a second sense driving signal, so that the control electrode of the switching transistor receives the first sense driving signal to turn on the switching transistor, the first electrode of the switching transistor receives a sensing data signal, and the control electrode of the sensing transistor receives the second sense driving signal to turn on the sensing transistor, and a second electrode of the sensing transistor outputs a pixel compensation signal, at the same time the sub-pixel stops emitting light; the output circuit outputs a black insertion driving signal, and the pixel circuit receives the black insertion driving signal to turn off the driving transistor, and the sub-pixel keeps not emitting light.
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公开(公告)号：US20220398982A1
公开(公告)日：2022-12-15
申请号：US17635471
申请日：2020-12-26
Inventor： Zhidong YUAN , Pan XU , Can YUAN , Yongqian LI , Zhongyuan WU
IPC: G09G3/3266 , G09G3/3233 , G11C19/28
Abstract: An array substrate includes: a substrate, at least one gate driving circuit and at least one clock signal line that are located on a same side of the substrate. The gate driving circuit includes a plurality of cascaded shift registers located in different rows, the plurality of shift registers are divided into at least two groups of shift registers, each group of shift registers includes at least one shift register, located in a same column. A gate driving circuit in the at least one gate driving circuit corresponds to at least one clock signal line. The clock signal line includes a main body transmission section configured to transmit a clock signal, and at least two branch transmission sections connected to the main body transmission section. Each branch transmission section is connected to a clock signal input terminal of each shift register in a respective group of shift registers.
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364.发明申请公开(公告)号：US20220398976A1
公开(公告)日：2022-12-15
申请号：US17820415
申请日：2022-08-17
Inventor： Xuehuan FENG , Yongqian LI
IPC: G09G3/3225 , G09G3/3266
Abstract: A gate driving unit includes an Nth stage of shift register unit and an (N+1)th stage of shift register unit, N is a positive integer. The Nth stage of shift register unit includes an Nth stage of pull-up node control circuit, and the (N+1)th stage of shift register unit includes an (N+1)th stage of pull-up node control circuit. The Nth stage of pull-up node control circuit is electrically connected to an Nth stage of pull-up node and a control line, controls a potential of the Nth stage of pull-up node under the control of a control signal inputted by the control line. The (N+1)th stage of pull-up node control circuit is electrically connected to an (N+1)th stage of pull-up node and the control line, respectively, and controls a potential of the (N+1)th stage of pull-up node under the control of the control signal inputted by the control line.
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365.发明授权公开(公告)号：US11508297B2
公开(公告)日：2022-11-22
申请号：US17420120
申请日：2020-09-28
Inventor： Xuehuan Feng , Yongqian Li
IPC: G09G5/00 , G09G3/3225 , G11C19/28 , G09G3/3233 , G09G3/3266 , G09G3/20
Abstract: A shift register circuit is provided. The shift register circuit includes an input sub-circuit, an output sub-circuit, a first control sub-circuit and a second control sub-circuit. The input sub-circuit is connected to a first signal input terminal, a second signal input terminal and a first node. The output sub-circuit is connected to the first node, a first clock signal terminal and a first output terminal. The first control sub-circuit is connected to a first power supply voltage terminal, a second power supply voltage terminal, the first node and a second node. The second control sub-circuit is connected to the second power supply voltage terminal, a third power supply voltage terminal, the second node and a third node, and the third node is further connected to the input sub-circuit.
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Patent Agency Ranking
公开(公告)号：US20220344435A1
公开(公告)日：2022-10-27
申请号：US17309882
申请日：2020-12-29
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: H01L27/32
Abstract: A display panel and an electronic device are provided. The display panel includes: a base substrate; a plurality of gate lines and a plurality of data lines located on the base substrate. A plurality of sub-pixel units are located on the base substrate, and at least one of the plurality of sub-pixel units includes a light-emitting element, a switching transistor, an induction transistor, a driving transistor and a storage transistor. In this sub-pixel unit, an orthographic projection of the switching transistor on the base substrate and an orthographic projection of the induction transistor on the base substrate are located on a first side of an orthographic projection of the storage capacitor on the base substrate. An orthographic projection of the driving transistor on the base substrate is located on a second side of the orthographic projection of the storage capacitor on the base substrate.
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公开(公告)号：US20220343858A1
公开(公告)日：2022-10-27
申请号：US17764209
申请日：2021-05-20
Inventor： Xuehuan FENG , Yongqian LI
IPC: G09G3/3266 , G09G3/3225
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：US20220319433A1
公开(公告)日：2022-10-06
申请号：US17310353
申请日：2020-12-29
Inventor： Zhidong YUAN , Yongqian LI , Can YUAN
IPC: G09G3/3266 , G09G3/3291 , G09G3/3233
Abstract: Provided are a pixel circuit, a driving method thereof and a display panel. The pixel circuit includes: multiple sub-pixel circuits in an array; each sub-pixel circuit includes a first node control sub-circuit, a second node control sub-circuit, a driving sub-circuit, a storage sub-circuit, a reading sub-circuit and a light emitting device; at least reading sub-circuits of the sub-pixel circuits of some rows are controlled by a same sensing control line; the first node control sub-circuit charges the storage sub-circuit in response to a first scan signal; the second node control sub-circuit writes a reference voltage signal into a second node in response to a second scan signal; the reading sub-circuit reads a potential of the second node in response to a sensing control signal written by a sensing control line; the driving sub-circuit drives the light emitting device to emit light.
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公开(公告)号：US20220302244A1
公开(公告)日：2022-09-22
申请号：US16976839
申请日：2019-11-29
Inventor： Can YUAN , Yongqian LI , Meng LI , Zhidong YUAN , Dacheng ZHANG , Lang LIU
IPC: H01L27/32 , H01L51/56 , H01L51/52 , G09G3/3233 , G09G3/3266 , G09G3/3275
Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, the first direction intersecting with the second direction. The display substrate further includes data lines extended in the first direction, and the data lines are connected in one-to-one correspondence with the sub-pixels in columns in each row of sub-pixels, so as to provide data signals respectively; the display substrate further includes auxiliary electrode lines extended in the first direction which are configured to be electrically connected with a second electrode of the light emitting element to provide a second power voltage; each of the auxiliary electrode lines is spaced from any one of the plurality of data lines by at least one column of sub-pixels.
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公开(公告)号：US20220284853A1
公开(公告)日：2022-09-08
申请号：US17701615
申请日：2022-03-22
Inventor： Wenchao BAO , Song MENG , Min HE , Huihui LI
IPC: G09G3/3225 , H05K1/18 , H01L51/52 , G09G3/00
Abstract: A display module includes a display panel, a power supply driver, a voltage signal line, a sampling resistor and a detection and control circuit. The voltage signal line is connected between the display panel and the power supply driver. The sampling resistor is connected in series with the voltage signal line. The detection and control circuit is connected to two ends of the sampling resistor and the power supply driver. The detection and control circuit is configured to: detect a voltage across the sampling resistor or a current flowing through the sampling resistor; and control the power supply driver to generate a driving voltage equal to a preset value lower than a voltage threshold, if determining that the voltage across the sampling resistor is greater than or equal to the voltage threshold, or if determining that the current is greater than or equal to a current threshold.
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