Patents by Inventor Qingrong REN
Qingrong REN 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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Publication number: 20240063529Abstract: A display panel and a display apparatus. The display panel includes a first display area and a second display area including a first area and at least one second area, a first antenna is arranged in the first area, a second antenna is arranged in the at least one second area. The display panel further includes a plurality of touch electrodes arranged in the first display area and the at least one second area. In the display panel and the display apparatus, first antennas and second antennas are integrated in the second display area of the display panel, so that both a display function and an antenna function can be achieved for the second display area, which is beneficial for making a product light and thin and making a product have a high screen-to-body ratio.Type: ApplicationFiled: October 30, 2023Publication date: February 22, 2024Applicant: Yungu (Gu’an) Technology Co., Ltd.Inventors: Shuang CUI, Rubo XING, Qingrong REN, Jie WU
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Publication number: 20240021011Abstract: A fingerprint identification circuit, a display panel, and a control method thereof. A first electrical signal is generated by a light sensation circuit in that fingerprint identification circuit according to the detected optical signal reflected by the finger, potential information of the first electrical signal is stored in a holding circuit, and a second electrical signal for fingerprint identification is output by a scanning circuit according to the potential information of the first electrical signal stored in the holding circuit, so that the fingerprint identification device can complete the collection of the electrical signals output by all the fingerprint identification circuits set by the fingerprint identification device in the case that the residence time of the user's finger is short, thereby supporting the design of fingerprint identification circuits with larger area and higher density in the optical fingerprint identification device.Type: ApplicationFiled: July 27, 2023Publication date: January 18, 2024Applicant: Hefei Visionox Technology Co., Ltd.Inventors: Dongsheng LI, Qingrong REN, Feng QI, Shuang CUI, Shiwen HU, Rubo XING
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Publication number: 20230400353Abstract: A photosensitive circuit structure and an optical device, where the photosensitive circuit structure includes a photosensitive unit, a signal amplification unit and a control unit; the photosensitive unit includes a photodiode and a reset transistor, the signal amplification unit includes an amplification transistor, and the control unit includes a control transistor; an input terminal, an output terminal and a control terminal of the reset transistor are electrically connected to a power supply terminal, a control terminal of the amplification transistor and a reset signal terminal, respectively; an input terminal and output terminal of the amplification transistor are electrically connected to the power supply terminal and an input terminal of the control transistor respectively, and a control terminal of the control transistor is connected to a signal control terminal.Type: ApplicationFiled: July 31, 2023Publication date: December 14, 2023Applicant: Hefei Visionox Technology Co., Ltd.Inventors: Qingrong REN, Rubo XING, Junfeng LI, Gang WANG, Shuang CUI, Haofeng ZHANG, Rui GUO, Dandan SUN
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Publication number: 20230380226Abstract: A display panel. The display panel includes an optical fingerprint region which is provided with a light-blocking layer and a protection layer, and the light-blocking layer is provided with a plurality of through holes; the protection layer includes a filling part; the filling part fills parts of regions in the through holes, the filling part is disposed surrounding and closely fitting side walls of the through holes, and the protection layer further includes a light-transmitting part, a height of the light-transmitting part is greater than or equal to depths of the through holes, and an included angle formed between a bottom wall of the filling part and a side wall of the light-transmitting part is an acute angle; or, the filling part fills a whole region in the through hole, and a material of the filling part is a light-transmitting material.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Applicant: Yungu (Gu’an) Technology Co., Ltd.Inventors: Qingrong REN, Rubo XING, Junfeng LI, Gang WANG, Rui GUO, Shuang CUI, Haofeng ZHANG, Shiwen HU
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Patent number: 11282974Abstract: A photosensitive element includes a first film layer, a second film layer and a third film layer. The first film layer, the second film layer and the third film layer are in a sequentially stacked structure, the first film layer is a p-type copper indium gallium selenide (CIGS) layer, the second film layer is an i-type CIGS layer, and the third film layer is an n-type film layer, and the first film layer, the second film layer and the third film layer form a PIN junction structure.Type: GrantFiled: October 24, 2018Date of Patent: March 22, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qingrong Ren, Jianming Sun, Yingwei Liu
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Patent number: 11233098Abstract: A display array substrate, a manufacturing method and a display are disclosed herein. The display array substrate includes an array substrate base, an electroluminescent diode array substrate arranged above the array substrate base, including an anode layer, a cathode layer, an electroluminescent EL layer between the anode layer and the cathode layer, and a pixel compensation circuit layer on a side close to the array substrate base. The cathode layer is on a side away from the array substrate base. A photosensitive signal collector may be configured to receive an optical signal reflected by valleys and ridges of a finger and emitted by the electroluminescent EL layer, and convert the collected optical signal into an electrical signal to be output. The photosensitive signal collector may be arranged between the pixel compensation circuit layer and the anode layer of the electroluminescent diode array substrate.Type: GrantFiled: January 30, 2018Date of Patent: January 25, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui Xu, Haisheng Wang, Yingming Liu, Changfeng Li, Wei Liu, Qingrong Ren, Yu Wen
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Patent number: 11217614Abstract: A photodetector and a manufacture method thereof, a touch substrate and a display panel are provided. The photodetector includes: a substrate; a polysilicon layer on the substrate including a first doped region and a second doped region; a transparent conductive film covering the first doped region of the polysilicon layer; and a metal electrode on the second doped region of the polysilicon layer. The conductive film, the metal electrode and the polysilicon layer constitute a photosensitive device.Type: GrantFiled: May 11, 2018Date of Patent: January 4, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qianqian Bu, Qingrong Ren, Jianming Sun
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Publication number: 20210288085Abstract: A photodetector and a manufacture method thereof, a touch substrate and a display panel are provided. The photodetector includes: a substrate; a polysilicon layer on the substrate including a first doped region and a second doped region; a transparent conductive film covering the first doped region of the polysilicon layer; and a metal electrode on the second doped region of the polysilicon layer. The conductive film, the metal electrode and the polysilicon layer constitute a photosensitive device.Type: ApplicationFiled: May 11, 2018Publication date: September 16, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qianqian BU, Qingrong REN, Jianming SUN
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Patent number: 11114497Abstract: The present disclosure generally relates to the field of detection technology. A sensor includes a base substrate; a voltage dividing photodiode on the base substrate; and a detecting photodiode on the base substrate. The voltage dividing photodiode may include a first electrode and a second electrode arranged in a stack. The detecting photodiode may include a third electrode and a fourth electrode arranged in a stack. The voltage dividing photodiode is configured to operate substantially permanently in a dark state. The detecting photodiode is configured to operate with a reverse bias applied by the first power terminal and the second power terminal, so as to detect a light intensity.Type: GrantFiled: July 17, 2018Date of Patent: September 7, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongsheng Li, Huili Wu, Qingrong Ren, Shipei Li, Xuefei Sun, Dongsheng Yin
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Patent number: 11011645Abstract: The present disclosure discloses a thin film transistor and a manufacturing method thereof, an array substrate and a display device, and belongs to the field of semiconductor display technology. The active layer of the thin film transistor is made of a CIGS material. By manufacturing the active layer of the thin film transistor with the CIGS material, and the crystal defects of the CIGS are less than LTPS and IGZO, the mobility of the thin film transistor is higher, and the switching speed of the thin film transistor is faster, thereby being advantageous to further improve the resolution of the display device.Type: GrantFiled: June 20, 2019Date of Patent: May 18, 2021Assignee: BOE Technology Group Co., Ltd.Inventors: Qingrong Ren, Guangcai Yuan, Feng Guan, Dongsheng Li, Jianming Sun
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Patent number: 11003886Abstract: At least one embodiment of this disclosure provides a display apparatus for solving the problem of a low identification precision due to a relatively large distance between the finger and the fingerprint identification device. The display apparatus comprises a display panel and at least one fingerprint identification device. Each fingerprint identification device comprises a plurality of identification units arranged in an array, each identification unit being provided with a photosensitive element. The photosensitive element is used for performing photoelectric conversion of incident light. The fingerprint identification device further comprises a collimating filter layer arranged on a light entrance surface of the photosensitive element.Type: GrantFiled: January 4, 2018Date of Patent: May 11, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui Xu, Xue Dong, Haisheng Wang, Yingming Liu, Pinchao Gu, Changfeng Li, Qingrong Ren
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Patent number: 10937355Abstract: A display substrate, a display panel, and a display device. The display substrate includes a substrate, and a plurality of polygonal pixels arranged in an array on the substrate. Each polygonal pixel includes a plurality of sub-pixels and a photoelectric sensor. An orthographic projection of the plurality of sub-pixels on the substrate and an orthogonal projection of the photoelectric sensor on the substrate do not overlap with each other. The display substrate, the display panel and the display device of the embodiments of the present disclosure can maximize the collection of optical signals, thereby improving the efficiency of the photoelectric sensor and the accuracy of a fingerprint identification in certain applications.Type: GrantFiled: May 12, 2020Date of Patent: March 2, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongsheng Li, Jianming Sun, Huili Wu, Shipei Li, Qingrong Ren
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Publication number: 20200335559Abstract: A display array substrate, a manufacturing method and a display are disclosed herein. The display array substrate includes an array substrate base, an electroluminescent diode array substrate arranged above the array substrate base, including an anode layer, a cathode layer, an electroluminescent EL layer between the anode layer and the cathode layer, and a pixel compensation circuit layer on a side close to the array substrate base. The cathode layer is on a side away from the array substrate base. A photosensitive signal collector may be configured to receive an optical signal reflected by valleys and ridges of a finger and emitted by the electroluminescent EL layer, and convert the collected optical signal into an electrical signal to be output. The photosensitive signal collector may be arranged between the pixel compensation circuit layer and the anode layer of the electroluminescent diode array substrate.Type: ApplicationFiled: January 30, 2018Publication date: October 22, 2020Inventors: Rui XU, Haisheng WANG, Yingming LIU, Changfeng LI, Wei LIU, Qingrong REN, Yu WEN
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Publication number: 20200334436Abstract: At least one embodiment of this disclosure provides a display apparatus for solving the problem of a low identification precision due to a relatively large distance between the finger and the fingerprint identification device. The display apparatus comprises a display panel and at least one fingerprint identification device. Each fingerprint identification device comprises a plurality of identification units arranged in an array, each identification unit being provided with a photosensitive element. The photosensitive element is used for performing photoelectric conversion of incident light. The fingerprint identification device further comprises a collimating filter layer arranged on a light entrance surface of the photosensitive element.Type: ApplicationFiled: January 4, 2018Publication date: October 22, 2020Inventors: Rui XU, Xue DONG, Haisheng WANG, Yingming LIU, Pinchao GU, Changfeng LI, Qingrong REN
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Publication number: 20200273393Abstract: A display substrate, a display panel, and a display device. The display substrate includes a substrate, and a plurality of polygonal pixels arranged in an array on the substrate. Each polygonal pixel includes a plurality of sub-pixels and a photoelectric sensor. An orthographic projection of the plurality of sub-pixels on the substrate and an orthogonal projection of the photoelectric sensor on the substrate do not overlap with each other. The display substrate, the display panel and the display device of the embodiments of the present disclosure can maximize the collection of optical signals, thereby improving the efficiency of the photoelectric sensor and the accuracy of a fingerprint identification in certain applications.Type: ApplicationFiled: May 12, 2020Publication date: August 27, 2020Inventors: Dongsheng LI, Jianming SUN, Huili WU, Shipei LI, Qingrong REN
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Publication number: 20200013902Abstract: The present disclosure discloses a thin film transistor and a manufacturing method thereof, an array substrate and a display device, and belongs to the field of semiconductor display technology. The active layer of the thin film transistor is made of a CIGS material. By manufacturing the active layer of the thin film transistor with the CIGS material, and the crystal defects of the CIGS are less than LTPS and IGZO, the mobility of the thin film transistor is higher, and the switching speed of the thin film transistor is faster, thereby being advantageous to further improve the resolution of the display device.Type: ApplicationFiled: June 20, 2019Publication date: January 9, 2020Inventors: Qingrong Ren, Guangcai Yuan, Feng Guan, Dongsheng Li, Jianming Sun
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Patent number: 10489628Abstract: A fingerprint recognition device, a method for fabricating the same, and a display device are disclosed. The first electrically conductive connection member is arranged between the drain of the TFT and photosensitive members, and the photosensitive members are connected with the drain of the TFT through the first electrically conductive connection member. Even when the surface of the drain becomes rough after first vias are formed in the insulating layer, it is the first electrically conductive connection member that is electrically connected with the photosensitive members. The first electrically conductive connection member has a smooth surface. This prevents the effect of formation of first vias in the insulating layer on the optical property of photosensitive members, thus improving performance of the fingerprint recognition device.Type: GrantFiled: May 12, 2017Date of Patent: November 26, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Feng Liao, Qingrong Ren, Rui Xu, Changfeng Li, Yanan Jia, Lijun Zhao, Yuzhen Guo
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Patent number: 10475824Abstract: The present disclosure provides a display panel, its manufacturing method and a display device. The manufacturing method of the display panel comprises: forming, on a substrate, a thin film transistor comprising a gate electrode, an active layer, a source electrode and a drain electrode; forming a hydrogen diffusion barrier layer that covers the entire substrate, wherein the hydrogen diffusion barrier layer is electrically conductive and is electrically connected to the drain electrode; and forming a photosensitive structure layer on the hydrogen diffusion barrier layer.Type: GrantFiled: May 4, 2018Date of Patent: November 12, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qingrong Ren, Woobong Lee, Fengchao Wang, Jianming Sun, Yingwei Liu, Wei Yang, Dongsheng Li
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Publication number: 20190305156Abstract: A photosensitive element includes a first film layer, a second film layer and a third film layer. The first film layer, the second film layer and the third film layer are in a sequentially stacked structure, the first film layer is a p-type copper indium gallium selenide (CIGS) layer, the second film layer is an i-type CIGS layer, and the third film layer is an n-type film layer, and the first film layer, the second film layer and the third film layer form a PIN junction structure.Type: ApplicationFiled: October 24, 2018Publication date: October 3, 2019Inventors: Qingrong Ren, Jianming Sun, Yingwei Liu
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Patent number: 10430635Abstract: A fingerprint identification sensor, a fingerprint identification method and an electronic device are disclosed. The fingerprint identification sensor includes a substrate; a fingerprint sensing element disposed on the substrate and including a thin film transistor, an off-state leakage current of the thin film transistor varying with the intensity of light irradiating onto an active area thereof; and a fingerprint identification light source arranged to emit light that irradiates onto a finger and is reflected thereby, the reflected light irradiating onto the active area of the thin film transistor. Thus, the fingerprint identification can be realized conveniently, and the fingerprint identification sensor has at least one of the advantages like high sensitivity and simple structure.Type: GrantFiled: September 30, 2017Date of Patent: October 1, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qingrong Ren, Wei Yang, Jianming Sun, Yingwei Liu, Liangjian Li, Haisheng Wang, Yingming Liu