Patents by Inventor Zhichong Wang
Zhichong Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 12148350Abstract: The present disclosure provides a driving circuit, a driving method, a driving module and a display device. The driving circuit includes a light-emitting control signal generating circuit and a gate driving circuit; the gate driving circuit is configured to control the gate driving signal output terminal to output the gate driving signal under the control of the potential of the first node, a first input signal provided by the first input terminal and a reset signal provided by the reset terminal, according to a first clock signal provided by the first clock signal terminal and a first voltage signal provided by the first voltage terminal.Type: GrantFiled: May 25, 2021Date of Patent: November 19, 2024Assignee: BOE Technology Group Co., Ltd.Inventor: Zhichong Wang
-
Publication number: 20240371316Abstract: A display substrate, including a scan drive control circuit including an input circuit, an output control circuit, and an output circuit; the input circuit is configured to transmit a signal of the signal input terminal to the output control circuit and a signal of the first clock signal terminal or the first voltage terminal to the output control circuit; the output control circuit is configured to store a signal of the first signal terminal, and transmit a signal of the second signal terminal to the first node; or, the output control circuit is configured to store a signal of the second clock signal terminal, and transmit a signal of the second voltage terminal to the first node; the output circuit is configured to output a signal of the first voltage terminal to the signal output terminal, or output the signal of the second voltage terminal to the signal output terminal.Type: ApplicationFiled: July 19, 2024Publication date: November 7, 2024Inventors: Miao LIU, Xueguang HAO, Jingbo XU, Xing YAO, Jingquan WANG, Xinyin WU, Xinguo LI, Zhichong WANG
-
Patent number: 12080226Abstract: A display substrate, comprising a base substrate and a scan drive control circuit which is disposed in a non-display area of the base substrate. The scan drive control circuit comprises an input circuit, an output control circuit, and an output circuit. The output control circuit is connected to the input circuit and the output circuit. The output control circuit comprises a first node control capacitor and a second node control capacitor. The length of the first node control capacitor in a first direction LC1k, the length of the second node control capacitor in the first direction LC2k and the length of the scan drive control circuit in the first direction LY satisfy the following formula: L C ? 1 ? k L Y < L C ? 2 ? k L Y ; L C ? 1 ? k L Y < 0.2 .Type: GrantFiled: July 8, 2022Date of Patent: September 3, 2024Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Miao Liu, Xueguang Hao, Jingbo Xu, Xing Yao, Jingquan Wang, Xinyin Wu, Xinguo Li, Zhichong Wang
-
Patent number: 12016207Abstract: Provided are an array substrate, a display panel and a display device. The array substrate includes multiple sub-pixel units arranged in an array. Each sub-pixel unit includes a pixel circuit structure and a light-emitting element; the pixel circuit structure includes a driving transistor, a first reset transistor and a second reset transistor; each of the driving transistor, the first reset transistor and the second reset transistor includes an active structure, a first insulating structure on the active structure, and a first metal layer structure on the first insulating structure; the active structure of the first reset transistor of an i-th row of sub-pixel unit is electrically coupled to an anode of the light-emitting element of the i-th row of sub-pixel unit, and is electrically coupled to the active structure of the second reset transistor of an (i+1)-th row of sub-pixel unit, i being an integer greater than 0.Type: GrantFiled: December 20, 2021Date of Patent: June 18, 2024Assignee: BOE Technology Group Co., Ltd.Inventor: Zhichong Wang
-
Patent number: 12007587Abstract: The present disclosure provides a grating including: a first substrate including stacked first and second electrode layers each including strip-shaped electrodes with an identical width, strip-shaped electrodes in the first and second electrode layers arranged alternately; a second substrate opposite to the first substrate with a liquid crystal layer therebetween; driving modules for driving the strip-shaped electrodes to form light shading parts and light transmission parts, one light shading part and one adjacent light transmission part defining a grating unit, at least one grating unit defining a grating part, the driving modules arranged in one-to-one correspondence with the grating parts; and a control module for generating driving signals in one-to-one correspondence with the driving modules according to a distance between the human eyes and the grating, thereby changing a width of the grating unit corresponding to a crosstalk position. A 3D display device and a grating driving method are provided.Type: GrantFiled: November 18, 2020Date of Patent: June 11, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jinye Zhu, Sen Ma, Zhichong Wang, Tao Hong, Junxing Yang, Jing Yu, Tianyang Han
-
Publication number: 20240144851Abstract: The present disclosure provides a driving circuit, a driving method, a driving module and a display device. The driving circuit includes a light-emitting control signal generating circuit and a gate driving circuit; the gate driving circuit is configured to control the gate driving signal output terminal to output the gate driving signal under the control of the potential of the first node, a first input signal provided by the first input terminal and a reset signal provided by the reset terminal, according to a first clock signal provided by the first clock signal terminal and a first voltage signal provided by the first voltage terminal.Type: ApplicationFiled: May 25, 2021Publication date: May 2, 2024Inventor: Zhichong WANG
-
Patent number: 11971662Abstract: A digital exposure machine and an exposure control method thereof are disclosed. The exposure control method of the digital exposure machine includes: determining a scanning direction of the digital exposure machine, wherein a plurality of sub-pixels in an array include multiple rows of sub-pixels arranged in the scanning direction, the multiple rows of sub-pixels including a first row of sub-pixels in the scanning direction; determining a starting scanning position, the starting scanning position being located on an outer side of the first row of sub-pixels in the scanning direction; and performing a plurality of scannings to expose a display region of the first display substrate to be exposed, wherein a scanning pitch for each of the plurality of scannings is integer times of a pitch of two adjacent rows of sub-pixels of the first display substrate in the scanning direction.Type: GrantFiled: October 29, 2020Date of Patent: April 30, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhichong Wang, Fuqiang Li, Peng Liu, Jing Feng, Xinglong Luan, Guangcai Yuan, Xue Dong
-
Publication number: 20240112623Abstract: A display substrate, comprising a base substrate and a scan drive control circuit which is disposed in a non-display area of the base substrate. The scan drive control circuit comprises an input circuit, an output control circuit, and an output circuit. The output control circuit is connected to the input circuit and the output circuit. The output control circuit comprises a first node control capacitor and a second node control capacitor. The length of the first node control capacitor in a first direction LC1k, the length of the second node control capacitor in the first direction LC2k and the length of the scan drive control circuit in the first direction LY satisfy the following formula: L C ? 1 ? k L Y < L C ? 2 ? k L Y ; L C ? 1 ? k L Y < 0.2 .Type: ApplicationFiled: July 8, 2022Publication date: April 4, 2024Inventors: Miao LIU, Xueguang HAO, Jingbo XU, Xing YAO, Jingquan WANG, Xinyin WU, Xinguo LI, Zhichong WANG
-
Publication number: 20240087498Abstract: A shift register, a control method thereof, a light-emitting control circuit, and a display device are provided. The shift register includes: an input module, a first node, a second node, a first control module, a second control module, a third node, a light-emitting signal output module, and a gate control module. The input module is configured to receive an input signal and control potentials of the first node and the second node. The first control module is configured to control the potential of the second node based on the potential of the first node. The second control module is configured to control potentials of the first node and the third node and to control the gate control module to output a gate control signal. The light-emitting signal output module is configured to output a light-emitting control signal based on the potential of the second node or the third node.Type: ApplicationFiled: October 22, 2021Publication date: March 14, 2024Inventor: Zhichong WANG
-
Patent number: 11893936Abstract: A pixel driving circuit includes a driving sub-circuit, a signal writing sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and an initialization sub-circuit. The signal writing sub-circuit is configured to write a voltage of a data signal terminal into the driving sub-circuit as a data voltage. The light-emitting control sub-circuit is configured to, in conjunction with the driving sub-circuit, drive a light-emitting device to emit light. The initialization sub-circuit is configured to transmit the voltage from the data signal terminal to the compensation sub-circuit as a reset voltage. The compensation sub-circuit is configured to transmit the reset voltage from the initialization sub-circuit to the driving sub-circuit to reset the driving sub-circuit.Type: GrantFiled: May 7, 2021Date of Patent: February 6, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhichong Wang, Fuqiang Li, Peng Liu, Jing Feng, Xinglong Luan
-
Patent number: 11837170Abstract: A display substrate includes: M rows of pixel circuits and M rows of scan signal lines. Each pixel circuit includes: a driving transistor connected to a first power line and a light-emitting device; a first storage sub-circuit connected to a gate electrode of the driving transistor; a second storage sub-circuit connected to the first power line and the gate electrode of the driving transistor; a gating sub-circuit connected to the first storage sub-circuit, an (m?1)th row of scan signal line, and an mth row of scan signal line, where the gating sub-circuit is configured to: provide a data voltage signal to the first storage sub-circuit, and provide a reference voltage signal to the first storage sub-circuit; and a threshold compensation sub-circuit connected to the (m?1)th row of scan signal line, and configured to perform, in response to control of connected scan signal line, threshold compensation on the driving transistor.Type: GrantFiled: October 28, 2021Date of Patent: December 5, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhichong Wang
-
Patent number: 11741909Abstract: A pixel circuit and a driving method therefor, and a display substrate and a display device are disclosed. The pixel circuit includes a compensation circuit. The compensation circuit may output an initial power supply signal to a first node, and a driving circuit may drive a light-emitting element to emit light according to a potential of the first node and a second power supply signal provided by a second power supply end. And, each driving circuit which the display panel includes may start to work from the same bias situation and drive the corresponding light-emitting element to emit light.Type: GrantFiled: June 28, 2022Date of Patent: August 29, 2023Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhichong Wang
-
Patent number: 11696471Abstract: The disclosure discloses an array substrate, an OLED display panel and a display device. A storage capacitor includes a first capacitor and a second capacitor which are connected in parallel, wherein the first capacitor includes a storage electrode and a first electrode, a layer where the first electrode is located is same as a layer where the grid electrode of the driving transistor is located, the second capacitor includes the storage electrode and a second electrode, a layer where the second electrode is located is same as a layer where the power supply voltage line is located, and the first electrode and the second electrode are electrically connected through a via hole penetrating through a first insulating layer and a second insulating layer.Type: GrantFiled: March 25, 2021Date of Patent: July 4, 2023Assignee: BOE Technology Group Co., Ltd.Inventor: Zhichong Wang
-
Patent number: 11669016Abstract: A digital exposure apparatus includes a lens array, the lens array at least including a first lens unit and a second lens unit, a light transposition assembly arranged on an exit light path of the second lens unit, and the light transposition assembly being used for controlling a light exiting from the second lens unit to be transposed with respect to an exposure direction of the digital exposure apparatus. When the digital exposure apparatus is used for exposure, a light passing through the first lens unit and a light penetrating through the second lens unit are needed to expose the same position for multiple times.Type: GrantFiled: March 26, 2021Date of Patent: June 6, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jing Feng, Xinglong Luan, Zhichong Wang, Peng Liu, Guangcai Yuan
-
Publication number: 20230120765Abstract: A pixel driving circuit includes a driving sub-circuit, a signal writing sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and an initialization sub-circuit. The signal writing sub-circuit is configured to write a voltage of a data signal terminal into the driving sub-circuit as a data voltage. The light-emitting control sub-circuit is configured to, in conjunction with the driving sub-circuit, drive a light-emitting device to emit light. The initialization sub-circuit is configured to transmit the voltage from the data signal terminal to the compensation sub-circuit as a reset voltage. The compensation sub-circuit is configured to transmit the reset voltage from the initialization sub-circuit to the driving sub-circuit to reset the driving sub-circuit.Type: ApplicationFiled: May 7, 2021Publication date: April 20, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhichong WANG, Fuqiang LI, Peng LIU, Jing FENG, Xinglong LUAN
-
Publication number: 20230115238Abstract: A display substrate includes: M rows of pixel circuits and M rows of scan signal lines. Each pixel circuit includes: a driving transistor connected to a first power line and a light-emitting device; a first storage sub-circuit connected to a gate electrode of the driving transistor; a second storage sub-circuit connected to the first power line and the gate electrode of the driving transistor; a gating sub-circuit connected to the first storage sub-circuit, an (m?1)th row of scan signal line, and an mth row of scan signal line, where the gating sub-circuit is configured to: provide a data voltage signal to the first storage sub-circuit, and provide a reference voltage signal to the first storage sub-circuit; and a threshold compensation sub-circuit connected to the (m?1)th row of scan signal line, and configured to perform, in response to control of connected scan signal line, threshold compensation on the driving transistor.Type: ApplicationFiled: October 28, 2021Publication date: April 13, 2023Inventor: Zhichong WANG
-
Publication number: 20230093791Abstract: The disclosure discloses an array substrate, an OLED display panel and a display device. A storage capacitor includes a first capacitor and a second capacitor which are connected in parallel, wherein the first capacitor includes a storage electrode and a first electrode, a layer where the first electrode is located is same as a layer where the grid electrode of the driving transistor is located, the second capacitor includes the storage electrode and a second electrode, a layer where the second electrode is located is same as a layer where the power supply voltage line is located, and the first electrode and the second electrode are electrically connected through a via hole penetrating through a first insulating layer and a second insulating layer.Type: ApplicationFiled: March 25, 2021Publication date: March 23, 2023Inventor: Zhichong WANG
-
Patent number: 11538786Abstract: A transfer printing method and a transfer printing apparatus. The transfer method includes: transferring a plurality of devices formed on an original substrate to a transfer substrate; obtaining first position information of positions of the plurality of devices on the transfer substrate; obtaining second position information of corresponding positions, on a target substrate, of devices to be transferred; comparing the first position information with the second position information to obtain first target position information recording a first transfer position; and aligning the transfer substrate with the target substrate and performing a site-designated laser irradiation on at least part of devices on the transfer substrate corresponding to the first transfer position, simultaneously, according to the first target position information, so as to transfer the at least part of the devices from the transfer substrate to the target substrate.Type: GrantFiled: March 19, 2019Date of Patent: December 27, 2022Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xinglong Luan, Jing Feng, Fuqiang Li, Zhichong Wang, Peng Liu, Wusheng Li, Chunjing Liu
-
Patent number: 11538385Abstract: A gate driving unit includes: a pull-up node denoising circuit; a pull-down node control circuit; a pull-up node control circuit; and an energy storage circuit. The pull-up node denoising circuit is configured to, under control of a potential of the pull-down node, control coupling or discoupling between the first pull-up node and the input terminal. The pull-down node control circuit is configured to, under control of a control voltage, control the potential of the pull-down node; under control of a potential of the second pull-up node, control coupling or discoupling between the pull-down node and the input terminal. The pull-up node control circuit is configured to, under control of an anti-leakage control voltage, control coupling or discoupling between the first pull-up node and the second pull-up node, and configured to maintain the potential of the second pull-up node. The energy storage circuit is configured to store electric energy.Type: GrantFiled: June 23, 2021Date of Patent: December 27, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhichong Wang, Guangcai Yuan, Fuqiang Li, Jing Feng, Xinglong Luan, Peng Liu
-
Patent number: 11495178Abstract: A pixel circuit includes a data writing sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The data writing sub-circuit is connected to the driving sub-circuit, and is configured to write a data voltage signal into the driving sub-circuit and compensate it, in response to a first gate signal and a second gate signal. The light-emitting control sub-circuit is connected to the driving sub-circuit, and is configured to close a line between a first power supply voltage terminal and a second power supply voltage terminal, in response to a first enable signal and a second enable signal. The driving sub-circuit is configured to provide a driving current to a light-emitting device through the closed line according to the written data voltage signal. Phases of the first enable signal and the first gate signal are opposite, and phases of the second enable signal and the second gate signal are opposite.Type: GrantFiled: April 29, 2021Date of Patent: November 8, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Zhichong Wang, Fuqiang Li, Peng Liu, Xinglong Luan, Jing Feng