Patents by Inventor Pinchao GU
Pinchao GU 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).
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Patent number: 11829568Abstract: A touch control structure is provided. The touch control structure includes a plurality of first mesh electrodes and a plurality of second mesh electrodes. The touch control structure is limited in a touch control region and absent in a window region surrounded by the touch control region. The touch control structure includes a plurality of window-adjacent mesh blocks and a plurality of capacitance-compensating conductive plates. A respective one of the plurality of capacitance-compensating plates is directly connected to at least one mesh line of a respective one of the plurality of window-adjacent mesh blocks. The plurality of capacitance-compensating plates respectively surround a plurality of portions of a periphery of the window region.Type: GrantFiled: September 27, 2020Date of Patent: November 28, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chao Wu, Kaipeng Sun, Yuanyou Qiu, Yufei Huo, Meng Li, Yudiao Cheng, Pinchao Gu, Chao Zeng, Tianyi Cheng
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Publication number: 20230309337Abstract: This disclosure relates to a display panel and a manufacturing method thereof, and a display device. The display panel includes a display area, an opening area and an isolation area located between the display area and the opening area and surrounding the opening area, and includes: a base substrate; a driving circuit layer including a thin film transistor and a storage capacitor that are formed on the base substrate and located in the display area, the thin film transistor including a gate electrode, a first gate insulating layer, an interlayer dielectric layer and source and drain electrodes that are sequentially formed, the storage capacitor including a first electrode plate on the same layer as the gate electrode, and a second electrode plate; a first isolation column formed on the base substrate and located in the isolation area.Type: ApplicationFiled: March 31, 2023Publication date: September 28, 2023Inventors: Weiyun HUANG, Yudiao CHENG, Pinchao GU
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Patent number: 11769344Abstract: A device for identifying a pattern over a first surface includes a photosensitive layer, and a light-guiding layer disposed between the photosensitive layer and the first surface. The photosensitive layer includes a plurality of photosensitive elements, each configured to convert incident light into an electrical signal. The light-guiding layer includes a plurality of light-guiding units, each positionally corresponding to one of the plurality of photosensitive elements. Each light-guiding unit include a plurality of light-transmitting portions, each configured to guide a light beam reflected from a feature of the pattern positionally corresponding thereto to transmit therethrough and reach one of the plurality of photosensitive elements corresponding to the each of the plurality of light-guiding units. The device can be used for identification of fingerprint, as well as other biometric or non-biometric features, and has a reduced thickness and an improved accuracy for pattern identification.Type: GrantFiled: May 27, 2022Date of Patent: September 26, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pinchao Gu, Haisheng Wang, Chunwei Wu, Yingming Liu, Rui Xu, Changfeng Li, Lijun Zhao, Yanan Jia, Yuzhen Guo, Yunke Qin
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Publication number: 20230260454Abstract: A display substrate is provided with a setup region including an acquisition region and a transition region adjacent to the acquisition region. The display substrate includes: a base substrate; light emitting devices on the base substrate, at least a part of the light emitting devices are provided in each of the acquisition region and the transition region; and driving circuits on the base substrate, each of the driving circuits being configured to provide a driving signal to a corresponding light emitting device. A driving circuit corresponding to a light emitting device in the transition region is a first local driving circuit which is in the transition region. A driving circuit corresponding to a light emitting device in the acquisition region is a peripheral driving circuit which is in the transition region and is connected to the corresponding light emitting device in the acquisition region through a connection line.Type: ApplicationFiled: November 27, 2020Publication date: August 17, 2023Inventors: Pinchao GU, Yao HUANG, Tianyi CHENG, Yue LONG, Yuanyou QIU, Meng LI
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Patent number: 11730039Abstract: A method for fabricating a touch display substrate and a touch display substrate are provided to solve the problem that existing touch electrodes of the micron-scale line width cannot meet the high PPI requirement. The fabrication method includes forming functional layers of an organic light-emitting diode (OLED) device on a base substrate sequentially to obtain an OLED substrate; and forming a linear touch electrode with a nano-scale line width on the OLED substrate by electronic sputtering and transferring.Type: GrantFiled: May 6, 2020Date of Patent: August 15, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Yanan Jia, Yuzhen Guo, Yunke Qin, Pinchao Gu
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Publication number: 20230105052Abstract: The display substrate includes a display area, a barrier wall disposing area, and a hole area, the display area surrounds the barrier wall disposing area, the barrier wall disposing area surrounds the hole area, and the method for manufacturing the display substrate includes: after a first electrode of a light emitting device of the display substrate is formed, removing a protective layer of the barrier wall disposing area, and exposing at least one circle of an initial barrier wall covered by the protective layer, the initial barrier wall is disposed around the hole area; and etching the at least one circle of the initial barrier wall, to form at least one circle of a barrier wall, a notch is formed on at least one side surface of the barrier wall.Type: ApplicationFiled: December 11, 2019Publication date: April 6, 2023Inventors: Pinchao GU, Weiyun HUANG, Donghua JIANG, Wuyang ZHAO
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Patent number: 11605238Abstract: A fingerprint identification module may include an array substrate (201), a plurality of point light sources (202) on the array substrate (201), and a plurality of photosensors (203) on the array substrate (201). The array substrate (201) may include a switch array (204) and a light emitting unit array (205) on the switch array (204). The plurality of point light sources (202) is configured to emit light to irradiate different regions of a finger at different times.Type: GrantFiled: November 1, 2018Date of Patent: March 14, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Rui Xu, Xue Dong, Haisheng Wang, Yingming Liu, Lei Wang, Changfeng Li, Pinchao Gu, Xueyou Cao, Wei Liu, Xiaoliang Ding, Xiaoquan Hai
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Patent number: 11534762Abstract: A microfluidic device, a method of using a microfluidic device and a micro total analysis system are provided. The microfluidic device includes a first substrate, and the first substrate includes a base substrate and a pixel array. The pixel array includes a plurality of pixels and is on the base substrate, and each of the plurality of pixels includes a driving electrode. Driving electrodes of two adjacent pixels are in different layers.Type: GrantFiled: May 23, 2019Date of Patent: December 27, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Haisheng Wang, Xiaochuan Chen, Xue Dong, Xiaoliang Ding, Pinchao Gu, Lei Wang, Changfeng Li, Ping Zhang
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Publication number: 20220406257Abstract: A pixel circuit, a display substrate, a display panel, and a display device are provided. The pixel circuit includes: a first driving circuit, a second driving circuit, a first light-emitting control circuit, and a second light-emitting control circuit. The first light-emitting control circuit is configured to control a connection between the first driving circuit and the light-emitting element and a connection between the first driving circuit and the first power line to be turned on or off; the second light-emitting control circuit is configured to control a connection between the second driving circuit and the light-emitting element and a connection between the second driving circuit and the second power line to be turned on or off; the first driving circuit and the second driving circuit are configured to control a driving current for driving the light-emitting element to emit light based on the same data voltage.Type: ApplicationFiled: May 17, 2021Publication date: December 22, 2022Inventors: Pinchao GU, Weiyun HUANG, Yudiao CHENG, Chao WU
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Patent number: 11532287Abstract: Disclosed herein is an apparatus comprising: a first switch and a second switch; wherein the first switch is configured to apply a drive signal to a first electrode when the first switch receives a control signal; wherein the second switch is configured to electrically isolate the first electrode from a second electrode when the second switch receives the control signal; wherein the second switch is configured to short-circuit the first electrode to the second electrode when the second switch does not receive the control signal; wherein the first electrode and the second electrode face each other and are separated by a gap configured to accommodate a liquid droplet.Type: GrantFiled: April 30, 2019Date of Patent: December 20, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Ping Zhang, Haisheng Wang, Xiaoliang Ding, Yingming Liu, Xueyou Cao, Pengpeng Wang, Likai Deng, Pinchao Gu, Yunke Qin
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Patent number: 11493435Abstract: The present disclosure discloses an array substrate and a micro total analysis device. The array substrate includes: a substrate, a plurality of pixel regions arranged on the substrate and defined by the intersection of a plurality of data lines and a plurality of gate lines, and a plurality of drive transistors arranged in the plurality of pixel regions respectively; each drive transistor includes a first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line, and in a first preset angle direction, the first active layer pattern spans a pixel region in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with the active layer pattern in the first preset angle direction.Type: GrantFiled: December 11, 2019Date of Patent: November 8, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaochuan Chen, Xiaoliang Ding, Lei Wang, Changfeng Li, Pinchao Gu, Ping Zhang, Xueyou Cao
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Publication number: 20220352292Abstract: A display substrate and a display device including a base substrate, a plurality of first connection wirings, and a plurality of second connection wirings. The base substrate includes a display area including a first display area and a second display area, the first display area includes a plurality of first light-emitting devices and a plurality of second light-emitting devices, and the second display area includes a plurality of first pixel circuits and a plurality of second pixel circuits. At least a portion of the plurality of first connection wirings extends along a first direction, at least a portion of the plurality of second connection wirings extends along the first direction, at least a portion of the plurality of first connection wirings is located on a first side of a row provided with first electrodes of the plurality of first and second light-emitting devices in a second direction.Type: ApplicationFiled: May 13, 2021Publication date: November 3, 2022Inventors: Guobo YANG, Yue LONG, Feng WEI, Benlian WANG, Binyan WANG, Guoqiang TANG, Yao HUANG, Weiyun HUANG, Pinchao GU, Kuo SUN
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Publication number: 20220319386Abstract: The present application provides a displaying base plate and a displaying device, wherein the displaying base plate includes a transparent displaying region and an effective displaying region, the transparent displaying region includes a plurality of scanning lines, each of the scanning lines includes one or more first light emitting regions, a driving electrode of each of the first light emitting regions is connected to a corresponding driving circuit via a transparent trace, the transparent traces connected to the driving electrodes of a same one instance of the scanning lines are located in a same one layer, the plurality of scanning lines include at least a pair of neighboring first scanning line and second scanning line, and the transparent traces connected to the driving electrodes of the first scanning line and the transparent traces connected to the driving electrodes of the second scanning line are located in different layers.Type: ApplicationFiled: September 30, 2020Publication date: October 6, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lili Du, Yue Long, Pinchao Gu, Yuanyou Qiu, Qiwei Wang, Tianyi Cheng
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Publication number: 20220317814Abstract: A touch control structure is provided. The touch control structure includes a plurality of first mesh electrodes and a plurality of second mesh electrodes. The touch control structure is limited in a touch control region and absent in a window region surrounded by the touch control region. The touch control structure includes a plurality of window-adjacent mesh blocks and a plurality of capacitance-compensating conductive plates. A respective one of the plurality of capacitance-compensating plates is directly connected to at least one mesh line of a respective one of the plurality of window-adjacent mesh blocks. The plurality of capacitance-compensating plates respectively surround a plurality of portions of a periphery of the window region.Type: ApplicationFiled: September 27, 2020Publication date: October 6, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chao Wu, Kaipeng Sun, Yuanyou Qiu, Yufei Huo, Meng Li, Yudiao Cheng, Pinchao Gu, Chao Zeng, Tianyi Cheng
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Publication number: 20220320243Abstract: Disclosed in embodiments of the present disclosure are a display substrate, a display panel and a display device. The display substrate includes a plurality of first light-emitting devices in a first display area, a plurality of second light-emitting devices in a second display area, a plurality of first pixel driving circuits in the second display area, the first pixel driving circuits are connected with the first light-emitting devices, and the plurality of pixel driving circuit has a drive transistor; gate connecting electrodes connected to a gate electrode of the drive transistor; a plurality of traces, each of at least part of the traces being electrically connected from the first pixel driving circuits across the gate connecting electrodes to the first light-emitting devices; and a shielding layer including isolation parts, an orthographic projection of the isolation parts at least partially overlapping an orthographic projection of the gate connecting electrodes.Type: ApplicationFiled: October 26, 2020Publication date: October 6, 2022Inventors: Yao HUANG, Yuanyou QIU, Pinchao GU
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Publication number: 20220320187Abstract: Disclosure provides a display substrate, a display panel and a display device. The display substrate includes a substrate, a drive circuit layer and a light emitting device layer sequentially on the substrate, a display region of the substrate includes first and second display regions on a side of the first display region, light transmittance of the first display region is larger than that of the second display region; the drive circuit layer includes first pixel circuits in bezel region around the display region, second pixel circuits in the second display region; the light emitting device layer includes first light emitting devices, second light emitting devices; each first light emitting device is electrically connected with each first pixel circuit; each second light emitting device is electrically connected with each second pixel circuits; a density of the first light emitting devices is same as a density of the second light emitting devices.Type: ApplicationFiled: September 30, 2020Publication date: October 6, 2022Inventors: Weiyun HUANG, Jianchang CAI, Pinchao GU, Yuanyou QIU, Yao HUANG
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Publication number: 20220310748Abstract: A display substrate and a display substrate are provided. The display substrate includes a voltage bus line in the peripheral region, the voltage bus line at least partially surrounds the transparent region, and is configured to be connected with sub-pixels in a plurality of first pixel rows to provide a first voltage; the display substrate further includes a plurality of first signal lines extended along the first direction, and each first signal line includes a first signal line portion in the display region and a second signal line portion, which is electrically connected with the first signal line portion, in the peripheral region, and the second signal line portion includes a bent portion extended along the transparent region, bent portions of second signal line portions of the plurality of first signal lines are all located at a side of the voltage bus line close to the transparent region.Type: ApplicationFiled: August 3, 2020Publication date: September 29, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gen LI, Huijuan YANG, Pinchao GU, Yuqian PANG, Jingwen ZHANG
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Publication number: 20220292798Abstract: A device for identifying a pattern over a first surface includes a photosensitive layer, and a light-guiding layer disposed between the photosensitive layer and the first surface. The photosensitive layer includes a plurality of photosensitive elements, each configured to convert incident light into an electrical signal. The light-guiding layer includes a plurality of light-guiding units, each positionally corresponding to one of the plurality of photosensitive elements. Each light-guiding unit include a plurality of light-transmitting portions, each configured to guide a light beam reflected from a feature of the pattern positionally corresponding thereto to transmit therethrough and reach one of the plurality of photosensitive elements corresponding to the each of the plurality of light-guiding units. The device can be used for identification of fingerprint, as well as other biometric or non-biometric features, and has a reduced thickness and an improved accuracy for pattern identification.Type: ApplicationFiled: May 27, 2022Publication date: September 15, 2022Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pinchao GU, Haisheng WANG, Chunwei WU, Yingming LIU, Rui XU, Changfeng LI, Lijun ZHAO, Yanan JIA, Yuzhen GUO, Yunke QIN
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Publication number: 20220241778Abstract: The present disclosure provides a micro-fluidic substrate, a micro-fluidic structure and a driving method thereof. The micro-fluidic substrate of the preset disclosure includes a substrate, and a plurality of driving electrodes on the substrate and configured to drive a droplet to move, the plurality of driving electrodes being in a same layer with a gap space between adjacent driving electrodes. The micro-fluidic substrate further includes: at least one auxiliary electrode on the substrate and configured to drive the droplet to move, an orthographic projection of the auxiliary electrode on the substrate at least partially overlapping with an orthographic projection of the gap space on the substrate, and the auxiliary electrode and the driving electrodes being in different layers.Type: ApplicationFiled: April 21, 2022Publication date: August 4, 2022Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Xiaoliang DING, Lei WANG, Changfeng LI, Pinchao GU
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Patent number: 11387289Abstract: An array substrate includes a substrate, a packaging layer, and at least one sensor. The packaging layer is over the substrate. Each sensor includes a sensing thin-film transistor and a sensing unit, electrically coupled with each other. The sensing thin-film transistor is between the package layer and the substrate, and the sensing unit is over a side of the package layer away from the substrate. The array substrate can also include a plurality of display thin-film transistors. The sensing thin-film transistor in each sensor can be at substantially same film layers, or of a same structure and a same type, as each display thin-film transistor.Type: GrantFiled: December 25, 2018Date of Patent: July 12, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yunke Qin, Xue Dong, Zhifu Li, Haisheng Wang, Yingming Liu, Yuzhen Guo, Pinchao Gu, Lin Zhou