Patents by Inventor Fuqiang Li
Fuqiang Li 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: 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: 20240127731Abstract: A display panel, a gate drive circuit, a shift register unit and a driving method thereof. The shift register unit includes: a shift register (1) connected with a signal input end (CR) and a signal output end (OUT), configured to control an electric potential of the signal output end (OUT) under control of an electric potential of the signal input end (CR); a control circuit (2) connected with a start signal end (STV), a control signal end (EN) and the signal input end (CR), configured to control the start signal end (STV) to connect to the signal input end (CR) under control of an electric potential of the control signal end (EN). The present disclosure can achieve independent refreshing of any area on the display panel.Type: ApplicationFiled: August 23, 2022Publication date: April 18, 2024Inventors: Hongrun WANG, Fuqiang LI, Jing YU, Xue DONG, Changfeng LI
-
Patent number: 11946979Abstract: A switching power converter is provided that communicates with a mobile device to receive a value of a load detection current. The switching power converter adjusts the cycling of a power switch until a constant current mode of operation is entered with a known output current driving the mobile device. The switching power converter subtracts the load current from the output current to measure a soft-short circuit current.Type: GrantFiled: June 8, 2021Date of Patent: April 2, 2024Assignee: Dialog Semiconductor Inc.Inventors: Jianming Yao, Kai-wen Chin, Yong Li, Cong Zheng, David Nguyen, Fuqiang Shi
-
Publication number: 20240103328Abstract: A displaying base plate and a manufacturing method thereof, and a displaying device. The displaying base plate includes a substrate, and a first electrode layer disposed on one side of the substrate, wherein the first electrode layer includes a first electrode pattern; a first planarization layer disposed on one side of the first electrode layer that is away from the substrate, wherein the first planarization layer is provided with a through hole, and the through hole penetrates the first planarization layer, to expose the first electrode pattern; and a second electrode layer, a second planarization layer and a third electrode layer that are disposed in stack on one side of the first planarization layer that is away from the substrate, wherein the second electrode layer is disposed closer to the substrate, the second electrode layer is connected to the first electrode pattern and the third electrode layer.Type: ApplicationFiled: June 29, 2021Publication date: March 28, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Zhen Zhang, Fuqiang Li, Zhenyu Zhang, Yunping Di, Lizhong Wang, Zheng Fang, Jiahui Han, Yawei Wang, Chenyang Zhang, Chengfu Xu, Ce Ning, Pengxia Liang, Feihu Zhou, Xianqin Meng, Weiting Peng, Qiuli Wang, Binbin Tong, Rui Huang, Tianmin Zhou, Wei Yang
-
Publication number: 20240096271Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one, wherein a respective one of the plurality of light emitting controlling units includes a plurality of light emitting elements arranged in J rows and I columns, J being an integer equal to or greater than one, I being an integer equal to or greater than one, a i-th column of the I columns of light emitting elements includes J rows of light emitting elements, 1?i?I; (M×J) number of first voltage signal lines; and (M×J) number of groups of second voltage signal lines.Type: ApplicationFiled: November 14, 2023Publication date: March 21, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Qi Qi, Wanzhi Chen, Lubin Shi, Fuqiang Li, Fei 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: 11886084Abstract: The disclosure provides a display substrate, a display panel and a display device. The display substrate has a display area and a peripheral area surrounding the display area, and includes: a first base; multiple pixel units in the display area and on the first base, each pixel units includes a thin film transistor and a first electrode, in each pixel unit, a second electrode of the thin film transistor is electrically coupled with the first electrode through a first via hole penetrating through an interlayer insulating layer; and an auxiliary functional layer located in the display area and on a side, away from the first base, of the first electrode; an orthographic projection of the auxiliary functional layer on the first base covers at least a part of an orthographic projection of the first via hole on the first base, and defines an active display area of each first electrode.Type: GrantFiled: October 30, 2020Date of Patent: January 30, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chenyang Zhang, Fuqiang Li, Ming Yang, Pengxia Liang, Jiahui Han
-
Patent number: 11875596Abstract: Disclosed are a display panel and a display apparatus. The display panel includes an opposing substrate, an array substrate and a liquid crystal layer. The array substrate includes: a first base substrate; a color film layer, includes a black matrix and a plurality of color resistors, the black matrix includes a plurality of pixel openings and a plurality of first light transmitting holes, and color resistors is arranged one pixel opening correspondingly; and photosensitive sensors, arranged between the color film layer and the first base substrate, orthographic projections of the plurality of photosensitive sensors on the first base substrate are in an orthographic projection of the black matrix on the first base substrate, and the orthographic projection of each of the plurality of photosensitive sensors on the first base substrate covers an orthographic projection of at least one the plurality of first light transmitting holes on the first base substrate.Type: GrantFiled: March 12, 2021Date of Patent: January 16, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Lubin Shi, Hongrun Wang, Fuqiang Li, Wenqu Liu
-
Publication number: 20240012290Abstract: A light emitting substrate is provided. The light emitting substrate includes at least one light emitting controlling unit. The at least one light emitting controlling unit includes a plurality of light emitting elements arranged in M rows and N columns and grouped into (P×Q) number of sub-units, M being an integer equal to or greater than one, N being an integer equal to or greater than one, P being an integer equal to or greater than one, and Q being an integer equal to or greater than one; P groups of first voltage signal lines; and Q groups of second voltage signal lines. The (P×Q) number of sub-units are arranged in P rows and Q columns. A respective sub-unit in a p-th row and a q-th column includes K columns of light emitting elements, K being an integer equal to or greater than one.Type: ApplicationFiled: September 22, 2023Publication date: January 11, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Yanan Niu, Fuqiang Li, Qi Qi, Wanzhi Chen, Zhenyu Zhang, Changfeng Li
-
Patent number: 11860478Abstract: A light emitting substrate is provided. The light emitting substrate includes at least one light emitting controlling unit. The at least one light emitting controlling unit includes a plurality of light emitting elements arranged in M rows and N columns and grouped into (P×Q) number of sub-units, M being an integer equal to or greater than one, N being an integer equal to or greater than one, P being an integer equal to or greater than one, and Q being an integer equal to or greater than one; P groups of first voltage signal lines; and Q groups of second voltage signal lines. The (P×Q) number of sub-units are arranged in P rows and Q columns. A respective sub-unit in a p-th row and a q-th column includes K columns of light emitting elements, K being an integer equal to or greater than one.Type: GrantFiled: March 4, 2021Date of Patent: January 2, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Yanan Niu, Fuqiang Li, Qi Qi, Wanzhi Chen, Zhenyu Zhang, Changfeng Li
-
Patent number: 11837153Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one, wherein a respective one of the plurality of light emitting controlling units includes a plurality of light emitting elements arranged in J rows and I columns, J being an integer equal to or greater than one, I being an integer equal to or greater than one, a i-th column of the I columns of light emitting elements includes J rows of light emitting elements, 1?i?I; (M×J) number of first voltage signal lines; and (M×J) number of groups of second voltage signal lines.Type: GrantFiled: March 4, 2021Date of Patent: December 5, 2023Assignee: BOB Technology Group Co., Ltd.Inventors: Ming Yang, Qi Qi, Wanzhi Chen, Lubin Shi, Fuqiang Li, Fei Wang
-
Patent number: 11776296Abstract: Disclosed is an ultrasonic fingerprint recognition circuit. In the ultrasonic fingerprint recognition circuit, an ultrasonic sensor generates an AC echo signal based on an echo signal upon the fingerprint detection, and a signal converting unit converts the AC echo signal to a DC signal and transmit the DC signal to the signal output unit to generate a fingerprint recognition signal by a signal output unit.Type: GrantFiled: October 20, 2021Date of Patent: October 3, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Bo Wang, Fuqiang Li
-
Patent number: 11735605Abstract: A display substrate has a main display area and at least one auxiliary display area located beside the main display area. The display substrate includes a plurality of first sub-pixels located in the main display area, and a plurality of second sub-pixels located in each of the at least one auxiliary display area. A distribution density of the plurality of first sub-pixels in the main display area is greater than a distribution density of the plurality of second sub-pixels in each auxiliary display area. Each of the plurality of second sub-pixels includes a pixel driving circuit, and the pixel driving circuit includes at least one vertical thin film transistor. A space exists between every two adjacent pixel driving circuits, and a plurality of spaces constitute a light-transmitting region of the corresponding auxiliary display area.Type: GrantFiled: November 12, 2019Date of Patent: August 22, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo Wang, Hao Zhang, Fuqiang Li
-
Publication number: 20230215211Abstract: A display panel and a display device are provided. The display panel has a touch side and includes an array substrate and an opposite substrate arranged opposite to each other. The array substrate includes an image sensor array including a plurality of image sensors each including a photosensitive element configured to receive light reflected by a texture touched on the touch side for texture acquisition; the opposite substrate includes a light shielding layer including a plurality of first openings arranged in an array, and the plurality of first openings are in one-to-one correspondence with and partially overlap with the photosensitive elements of the plurality of image sensors in a direction perpendicular to a panel surface of the display panel.Type: ApplicationFiled: May 25, 2021Publication date: July 6, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Changfeng Li, Xiaochuan Chen, Fuqiang Li, Liwei Liu, Hongrun Wang, Hui Zhang, Shunhang Zhang, Kai Hou, Yunsik Im, Yunping Di
-
Patent number: 11694607Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one. A respective column of the N columns of light emitting controlling units includes M number of groups of second voltage signal lines, a respective group of the M number of groups of second voltage signal lines connected to a respective one of the M number of light emitting controlling units, the respective group of the M number of groups of second voltage signal lines including k number of second voltage signal lines, k is an integer equal to or greater than one.Type: GrantFiled: March 4, 2021Date of Patent: July 4, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Fuqiang Li, Xingce Shang, Wei Hao, Lin Zhou, Qi Qi
-
Publication number: 20230180552Abstract: A base substrate of a display substrate includes a display region; a plurality of pixel units in the display region, each pixel unit includes a first pixel circuit and a second pixel circuit adjacent to each other in a first direction; an initialization signal line extending in the first direction and supplying an initialization signal to the first pixel circuit and the second pixel circuit; a first control signal line extending in the first direction and supplying a gate signal to the first pixel circuit and the second pixel circuit; and a light-emitting control signal line extending in the first direction and supplying a light-emitting control signal to the first pixel circuit and the second pixel circuit; the initialization signal line is on a side of the light-emitting control signal line away from the first control signal line, extends along the first direction and includes segments arranged at intervals.Type: ApplicationFiled: January 22, 2021Publication date: June 8, 2023Inventors: Bo WANG, Fuqiang LI, Yipeng CHEN
-
Publication number: 20230168553Abstract: The present disclosure provides an array substrate, a liquid crystal display panel and a liquid crystal display device, including: a base substrate; gate lines each extending in a first direction on the base substrate; data lines each extending in a second direction intersecting the first direction; pixel units located in regions defined by the gate lines and the data lines; each pixel unit has a first side and a second side each extending in the second direction and opposite to each other in the first direction; each pixel unit includes a first electrode including a plurality of strip-shaped electrodes, at least part of the strip-shaped electrodes each have a first part and a second part extending in different directions, first parts are connected at the first side, second parts are disconnected at the second side, and lengths of the first part and the second part are different.Type: ApplicationFiled: June 8, 2021Publication date: June 1, 2023Inventors: Meina YU, Zheng FANG, Hyunsic CHOI, Pengxia LIANG, Xiaochuan CHEN, Hui ZHANG, Liwei LIU, Changfeng LI, Fuqiang LI, Yuyao WANG, Ge SHI, Jiahui HAN, Song YANG, Yujie LIU, Shiyu ZHANG, Yanliu SUN
-
Publication number: 20230154386Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one, wherein a respective one of the plurality of light emitting controlling units includes a plurality of light emitting elements arranged in J rows and I columns, J being an integer equal to or greater than one, I being an integer equal to or greater than one, a i-th column of the I columns of light emitting elements includes J rows of light emitting elements, 1?i?I; (M×J) number of first voltage signal lines; and (M×J) number of groups of second voltage signal lines.Type: ApplicationFiled: March 4, 2021Publication date: May 18, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Qi Qi, Wanzhi Chen, Lubin Shi, Fuqiang Li, Fei Wang
-
Publication number: 20230152632Abstract: A light emitting substrate is provided. The light emitting substrate includes at least one light emitting controlling unit. The at least one light emitting controlling unit includes a plurality of light emitting elements arranged in M rows and N columns and grouped into (PxQ) number of sub-units, M being an integer equal to or greater than one, N being an integer equal to or greater than one, P being an integer equal to or greater than one, and Q being an integer equal to or greater than one; P groups of first voltage signal lines; and Q groups of second voltage signal lines. The (PxQ) number of sub-units are arranged in P rows and Q columns. A respective sub-unit in a p-th row and a q-th column includes K columns of light emitting elements, K being an integer equal to or greater than one.Type: ApplicationFiled: March 4, 2021Publication date: May 18, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Yanan Niu, Fuqiang Li, Qi Qi, Wanzhi Chen, Zhenyu Zhang, Changfeng Li
-
Publication number: 20230154385Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one. A respective column of the N columns of light emitting controlling units includes M number of groups of second voltage signal lines, a respective group of the M number of groups of second voltage signal lines connected to a respective one of the M number of light emitting controlling units, the respective group of the M number of groups of second voltage signal lines including k number of second voltage signal lines, k is an integer equal to or greater than one.Type: ApplicationFiled: March 4, 2021Publication date: May 18, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Fuqiang Li, Xingce Shang, Wei Hao, Lin Zhou, Qi Qi