Patents by Inventor Dexi KONG
Dexi KONG 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: 12236706Abstract: Provided is a fingerprint sensor, including: a substrate; a plurality of photosensitive devices disposed on the substrate; a light-emitting module disposed on a side, distal to the substrate, of the plurality of photosensitive devices; and a protective cover disposed on a side, distal to the substrate, of the light-emitting module, wherein the protective cover is provided with a plurality of conductive structures electrically connected to the light-emitting module, the plurality of conductive structures being in one-to-one correspondence with the plurality of photosensitive devices, and an orthographic projection of each conductive structure onto the substrate at least partially being overlapped with an orthographic projection of the photosensitive device corresponding to the conductive structure onto the substrate.Type: GrantFiled: March 16, 2022Date of Patent: February 25, 2025Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Dexi Kong, Cheng Li, Lin Zhou, Zixiao Chen, Gen Huang, Shoujin Cai, Jie Zhang, Jin Cheng, Yingzi Wang, Caixia Zhang, Qian Tan
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Patent number: 12217531Abstract: A texture recognition device and a display apparatus are provided, the texture recognition device has a plurality of pixel units, and includes a base substrate, a driving circuit layer, a first electrode layer and a photosensitive element layer; at least one of the plurality of pixel units includes a pixel driving circuit in the driving circuit layer, a first electrode in the first electrode layer, and a plurality of photosensitive elements spaced apart from each other in the photosensitive element layer, the pixel driving circuit is electrically connected with the first electrode, the plurality of photosensitive elements are on a side of the first electrode away from the base substrate, and are electrically connected to the pixel driving circuit through the first electrode.Type: GrantFiled: June 22, 2021Date of Patent: February 4, 2025Assignees: BEIJING BOE SENSOR TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Zhang, Shoujin Cai, Jin Cheng, Dexi Kong, Cheng Li, Yingzi Wang
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Publication number: 20250008758Abstract: The disclosure provides a detection substrate and a detection device. The detection substrate includes: a base substrate including a photosensitive area and a peripheral area surrounding the photosensitive area; a plurality of organic photodetectors on the base substrate which are arranged in an array in the photosensitive area, the organic photodetectors each including a first electrode, an organic photoelectric detection function layer, and a second electrode which are stacked, and the second electrodes of all organic photodetectors being integrally arranged and extending from the photosensitive area to the peripheral area; and a bias line, the bias line being a strip-shaped line extending in a first direction in the peripheral area, the bias line being electrically connected to the second electrodes in the peripheral area, and the minimum distance between the bias line and the organic photoelectric detection function layers in the second direction is greater than a preset threshold.Type: ApplicationFiled: November 19, 2021Publication date: January 2, 2025Inventors: Dexi KONG, Lin ZHOU, Cheng LI, Tiansheng LI, Ziran LIU, Shoujin CAI, Jin CHENG, Jie ZHANG, Gen HUANG, Zixiao CHEN
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Patent number: 12175043Abstract: A touch substrate, a display apparatus and a display system are provided. The touch substrate includes a base substrate including a photosensitive region; a plurality of photosensitive pixels in an array in the photosensitive region, each photosensitive pixel includes one non-visible light sensor, and a ratio of a side length of each photosensitive pixel to a distance between the non-visible light sensors of two adjacent photosensitive pixels is in a range from 25:24 to 12:11; and a plurality of bias lines on a side of the plurality of non-visible light sensors away from the base substrate, the plurality of bias lines include a plurality of first bias lines and a plurality of second bias lines crossing with each other, and at least one of the plurality of first bias lines and the plurality of second bias lines is electrically connected to each non-visible light sensor.Type: GrantFiled: June 3, 2021Date of Patent: December 24, 2024Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shoujin Cai, Cheng Li, Chuncheng Che, Feng Liu, Tiansheng Li, Lin Zhou, Kunjing Chung, Dexi Kong, Yingzi Wang
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Publication number: 20240347555Abstract: Disclosed are a detection substrate and a detection apparatus. The detection substrate includes: a base substrate; a plurality of pixel drive circuits; a first insulating layer, where the first insulating layer includes a plurality of first through holes; and a plurality of photosensitive devices, where each photosensitive device includes a first electrode, a photoelectric conversion layer and a second electrode, which are arranged in a stacked manner, the first electrode includes a body portion for carrying the photoelectric conversion layer, and a protruding portion, which extends from the body portion to cover the first through hole, the protruding portion is electrically connected to the pixel drive circuit by means of the first through hole, and an orthographic projection of the photoelectric conversion layer on the base substrate and an orthographic projection of the first through hole on the base substrate are provided side by side.Type: ApplicationFiled: July 27, 2022Publication date: October 17, 2024Inventors: Dexi KONG, Shoujin CAI, Cheng LI, Jie ZHANG, Jin CHENG, Ziran LIU, Tiansheng LI
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Publication number: 20240324261Abstract: Provided in the present disclosure are a detection substrate and a detection apparatus. The detection substrate includes: a base substrate; a plurality of pixel driving circuits, which are located on the base substrate; a first insulating layer, which is located on the side, which faces away from the base substrate, of a layer where the pixel driving circuits are located, where the first insulating layer includes a plurality of first through holes; and a plurality of photosensitive devices, which are located on the side of the first insulating layer that faces away from the layer where the pixel driving circuits are located.Type: ApplicationFiled: July 27, 2022Publication date: September 26, 2024Inventors: Shoujin CAI, Cheng LI, Jie ZHANG, Junyu WU, Yajie FENG, Jin CHENG, Dexi KONG, Shuai XU, Chuncheng CHE, Yingzi WANG
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Publication number: 20240321928Abstract: Disclosed are an active pixel image sensor and a display device. The active pixel image sensor includes: a base substrate; a photoelectric conversion structure arranged on the base substrate; multiple gate signal lines and multiple data signal lines crossed in an insulating manner, the multiple gate signal lines and the multiple data signal lines being configured to provide electrical signals to the photoelectric conversion structure; and a bias voltage layer, arranged on the photoelectric conversion structure and electrically connected with the photoelectric conversion structure, the bias voltage layer being configured to provide a bias voltage to the photoelectric conversion structure; the bias voltage layer includes at least one first hollow structure; and an orthographic projection of the first hollow structure on the base substrate and an orthographic projection of at least one of the gate signal lines and the data signal lines on the base substrate overlap each other.Type: ApplicationFiled: August 25, 2021Publication date: September 26, 2024Inventors: Jie ZHANG, Shoujin CAI, Jin CHENG, Dexi KONG, Lin ZHOU, Ziran LIU, Tiansheng LI, Yingzi WANG, Cheng LI
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Publication number: 20240312240Abstract: Provided is a fingerprint sensor, including: a substrate; a plurality of photosensitive devices disposed on the substrate; a light-emitting module disposed on a side, distal to the substrate, of the plurality of photosensitive devices; and a protective cover disposed on a side, distal to the substrate, of the light-emitting module, wherein the protective cover is provided with a plurality of conductive structures electrically connected to the light-emitting module, the plurality of conductive structures being in one-to-one correspondence with the plurality of photosensitive devices, and an orthographic projection of each conductive structure onto the substrate at least partially being overlapped with an orthographic projection of the photosensitive device corresponding to the conductive structure onto the substrate.Type: ApplicationFiled: March 16, 2022Publication date: September 19, 2024Inventors: Dexi KONG, Cheng LI, Lin ZHOU, Zixiao CHEN, Gen HUANG, Shoujin CAI, Jie ZHANG, Jin CHENG, Yingzi WANG, Caixia ZHANG, Qian TAN
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Publication number: 20240271997Abstract: Disclosed are a detection substrate and a detection device. The detection substrate includes: a plurality of photoelectric converters arranged in an array, where the photoelectric converter includes a plurality of film layers, an area of an overlapping region between electrode film layers forming an internal capacitor in the photoelectric converter is less than an area of the other film layer in the photoelectric converter; and a drive circuit electrically connected to the photoelectric converters.Type: ApplicationFiled: April 27, 2022Publication date: August 15, 2024Inventors: Gen HUANG, Hao YAN, Shoujin CAI, Cheng LI, Lin ZHOU, Dexi KONG, Zixiao CHEN, Jin CHENG, Jie ZHANG, Song CUI, Zhiliang PENG
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Publication number: 20240201814Abstract: A touch substrate, a display apparatus and a display system are provided. The touch substrate includes a base substrate including a photosensitive region; a plurality of photosensitive pixels in an array in the photosensitive region, each photosensitive pixel includes one non-visible light sensor, and a ratio of a side length of each photosensitive pixel to a distance between the non-visible light sensors of two adjacent photosensitive pixels is in a range from 25:24 to 12:11; and a plurality of bias lines on a side of the plurality of non-visible light sensors away from the base substrate, the plurality of bias lines include a plurality of first bias lines and a plurality of second bias lines crossing with each other, and at least one of the plurality of first bias lines and the plurality of second bias lines is electrically connected to each non-visible light sensor.Type: ApplicationFiled: June 3, 2021Publication date: June 20, 2024Inventors: Shoujin CAI, Cheng LI, Chuncheng CHE, Feng LIU, Tiansheng LI, Lin ZHOU, Kunjing CHUNG, Dexi KONG, Yingzi WANG
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Publication number: 20240194703Abstract: A photoelectric sensor, an image sensor and an electronic device are disclosed. The photoelectric sensor includes a base substrate, a driving circuit and a photoelectric converter, the driving circuit and the photoelectric converter are located on the base substrate; the photoelectric converter includes a first electrode and a photoelectric conversion layer, and the photoelectric conversion layer is located at a side of the first electrode away from the base substrate, the driving circuit includes a reset sub-circuit, the reset sub-circuit includes a first source electrode and a first drain electrode, the first electrode and the first drain electrode are integrated into a same electrode and arranged in a same layer as the first source electrode.Type: ApplicationFiled: June 25, 2021Publication date: June 13, 2024Inventors: Shoujin CAI, Cheng LI, Jie ZHANG, Jin CHENG, Dexi KONG, Tiansheng LI, Chuncheng CHE, Yingzi WANG
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Publication number: 20240185631Abstract: A texture recognition device and a display apparatus are provided, the texture recognition device has a plurality of pixel units, and includes a base substrate, a driving circuit layer, a first electrode layer and a photosensitive element layer; at least one of the plurality of pixel units includes a pixel driving circuit in the driving circuit layer, a first electrode in the first electrode layer, and a plurality of photosensitive elements spaced apart from each other in the photosensitive element layer, the pixel driving circuit is electrically connected with the first electrode, the plurality of photosensitive elements are on a side of the first electrode away from the base substrate, and are electrically connected to the pixel driving circuit through the first electrode.Type: ApplicationFiled: June 22, 2021Publication date: June 6, 2024Inventors: Jie ZHANG, Shoujin CAI, Jin CHENG, Dexi KONG, Cheng LI, Yingzi WANG
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Patent number: 11860029Abstract: Provided are a light intensity detection circuit, a light intensity detection method and an light intensity detection apparatus. The light intensity detection circuit includes a photoelectric conversion sub-circuit, a source follower sub-circuit, a reset sub-circuit, a read sub-circuit and a sense sub-circuit. The photoelectric conversion sub-circuit generates a corresponding electrical signal according to an incident light signal, and outputs it to a first node; the source follower sub-circuit generates a corresponding voltage signal or current signal according to the electrical signal of the first node and outputs it to a second node; the read sub-circuit reads the voltage signal or current signal of the second node to determine an incident light intensity; the reset sub-circuit provides a voltage at a offset voltage terminal to the first node.Type: GrantFiled: December 29, 2020Date of Patent: January 2, 2024Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Kunjing Chung, Dexi Kong
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Patent number: 11822024Abstract: Provided is a pixel sensing circuit, including a signal generation sub-circuit, a reset sub-circuit, an amplification sub-circuit, and a read sub-circuit. The reset sub-circuit is configured to provide a signal of a first power supply line to a first node under control of a reset signal line. The signal generation sub-circuit is configured to detect a light signal and convert the detected light signal into an electrical signal. The amplification sub-circuit is configured to provide an amplified electrical signal to a second node according to a signal provided by a second power supply line and under control of the first node. The read sub-circuit is configured to output the amplified electrical signal to a signal read line under control of a scan signal line.Type: GrantFiled: August 31, 2021Date of Patent: November 21, 2023Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Dexi Kong, Cheng Li, Kunjing Chung, Lin Zhou, Jingjie Su, Jie Zhang, Tiansheng Li, Ziran Liu, Jin Cheng
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Patent number: 11698468Abstract: A radiation detector having a plurality of pixels is provided. A respective one of the plurality of pixels includes a base substrate; a thin film transistor on the base substrate; an insulating layer on a side of the thin film transistor away from the base substrate; a photosensor on a side of the insulating layer away from the base substrate; a passivation layer on a side of the photosensor away from the base substrate; a scintillation layer on a side of the passivation layer away from the base substrate; and a reflective layer on a side of the scintillation layer away from the base substrate. The photosensor includes a first polarity layer in direct contact with the passivation layer. All sides of the first polarity layer other than a side internal to the photosensor are entirely in direct contact with the passivation layer.Type: GrantFiled: October 25, 2019Date of Patent: July 11, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jingjie Su, Zhi Ding, Dexi Kong, Xuecheng Hou, Xiangmi Zhan, Guan Zhang, Kunjing Chung, Huinan Xia
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Publication number: 20230097928Abstract: A radiation detector having a plurality of pixels is provided. A respective one of the plurality of pixels includes a base substrate; a thin film transistor on the base substrate; an insulating layer on a side of the thin film transistor away from the base substrate; a photosensor on a side of the insulating layer away from the base substrate; a passivation layer on a side of the photosensor away from the base substrate; a scintillation layer on a side of the passivation layer away from the base substrate; and a reflective layer on a side of the scintillation layer away from the base substrate. The photosensor includes a first polarity layer in direct contact with the passivation layer. All sides of the first polarity layer other than a side internal to the photosensor are entirely in direct contact with the passivation layer.Type: ApplicationFiled: October 25, 2019Publication date: March 30, 2023Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Jingjie Su, Zhi Ding, Dexi Kong, Xuecheng Hou, Xiangmi Zhan, Guan Zhang, Kunjing Chung, Huinan Xia
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Publication number: 20220307898Abstract: Provided are a light intensity detection circuit, a light intensity detection method and an light intensity detection apparatus. The light intensity detection circuit includes a photoelectric conversion sub-circuit, a source follower sub-circuit, a reset sub-circuit, a read sub-circuit and a sense sub-circuit. The photoelectric conversion sub-circuit generates a corresponding electrical signal according to an incident light signal, and outputs it to a first node; the source follower sub-circuit generates a corresponding voltage signal or current signal according to the electrical signal of the first node and outputs it to a second node; the read sub-circuit reads the voltage signal or current signal of the second node to determine an incident light intensity; the reset sub-circuit provides a voltage at a offset voltage terminal to the first node.Type: ApplicationFiled: December 29, 2020Publication date: September 29, 2022Inventors: Kunjing CHUNG, Dexi KONG
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Publication number: 20220214463Abstract: Provided is a pixel sensing circuit, including a signal generation sub-circuit, a reset sub-circuit, an amplification sub-circuit, and a read sub-circuit. The reset sub-circuit is configured to provide a signal of a first power supply line to a first node under control of a reset signal line. The signal generation sub-circuit is configured to detect a light signal and convert the detected light signal into an electrical signal. The amplification sub-circuit is configured to provide an amplified electrical signal to a second node according to a signal provided by a second power supply line and under control of the first node. The read sub-circuit is configured to output the amplified electrical signal to a signal read line under control of a scan signal line.Type: ApplicationFiled: August 31, 2021Publication date: July 7, 2022Inventors: Dexi KONG, Cheng LI, Kunjing CHUNG, Lin ZHOU, Jingjie SU, Jie ZHANG, Tiansheng LI, Ziran LIU, Jin CHENG