Patents by Inventor Chunqian ZHANG
Chunqian ZHANG 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: 11196954Abstract: Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, and a detector including the pixel circuit. The pixel circuit includes a photoelectric conversion circuit, a reset circuit, an amplifying circuit, a first control circuit, a second control circuit, a storage circuit, and an output circuit. The photoelectric conversion circuit is configured to convert an optical signal into an electric signal. The reset circuit is configured to reset a voltage of the first node. The amplifying circuit is configured to amplify the voltage of the first node. The first control circuit is configured to control a voltage of the second node. The second control circuit is configured to control a voltage of the third node. The storage circuit is configured to store an electric charge corresponding to the voltage outputted from the amplifying circuit. The output circuit is configured to output the stored electric charge.Type: GrantFiled: October 31, 2018Date of Patent: December 7, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liye Duan, Yongming Shi, Chunqian Zhang, Kui Liang, Xiaohui Liu
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Patent number: 10886324Abstract: A detection panel and a detection device are provided. The detection panel includes: a base substrate, a photoelectric conversion layer and a first insulating layer which are sequentially stacked on the base substrate; wherein the detection panel further comprises a plurality of interdigital electrodes located on a surface of a side of the first insulating layer away from the base substrate.Type: GrantFiled: April 18, 2019Date of Patent: January 5, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kui Liang, Chiachiang Lin, Xiaohui Liu, Liye Duan, Chunqian Zhang, Mengjun Hou
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Publication number: 20200260040Abstract: Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, and a detector including the pixel circuit. The pixel circuit includes a photoelectric conversion circuit, a reset circuit, an amplifying circuit, a first control circuit, a second control circuit, a storage circuit, and an output circuit. The photoelectric conversion circuit is configured to convert an optical signal into an electric signal. The reset circuit is configured to reset a voltage of the first node. The amplifying circuit is configured to amplify the voltage of the first node. The first control circuit is configured to control a voltage of the second node. The second control circuit is configured to control a voltage of the third node. The storage circuit is configured to store an electric charge corresponding to the voltage outputted from the amplifying circuit. The output circuit is configured to output the stored electric charge.Type: ApplicationFiled: October 31, 2018Publication date: August 13, 2020Inventors: Liye DUAN, Yongming SHI, Chunqian ZHANG, Kui LIANG, Xiaohui LIU
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Publication number: 20200020736Abstract: A detection panel and a detection device are provided. The detection panel includes: a base substrate, a photoelectric conversion layer and a first insulating layer which are sequentially stacked on the base substrate; wherein the detection panel further comprises a plurality of interdigital electrodes located on a surface of a side of the first insulating layer away from the base substrate.Type: ApplicationFiled: April 18, 2019Publication date: January 16, 2020Inventors: Kui LIANG, Chiachiang LIN, Xiaohui LIU, Liye DUAN, Chunqian ZHANG, Mengjun HOU
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Publication number: 20190238778Abstract: Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, and a detector including the pixel circuit. The pixel circuit includes a photoelectric conversion circuit, a reset circuit, an amplifying circuit, a first control circuit, a second control circuit, a storage circuit, and an output circuit. The photoelectric conversion circuit is configured to convert an optical signal into an electric signal. The reset circuit is configured to reset a voltage of the first node. The amplifying circuit is configured to amplify the voltage of the first node. The first control circuit is configured to control a voltage of the second node. The second control circuit is configured to control a voltage of the third node. The storage circuit is configured to store an electric charge corresponding to the voltage outputted from the amplifying circuit. The output circuit is configured to output the stored electric charge.Type: ApplicationFiled: October 31, 2018Publication date: August 1, 2019Inventors: Liye DUAN, Yongming SHI, Chunqian ZHANG, Kui LIANG, Xiaohui LIU
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Patent number: 10310649Abstract: The present disclosure relates to an array substrate of embedded touch panels. The array substrate includes a touch electrode arranged in an active area of the touch panel in a matrix, a touch sensing chip arranged outside the active area of the touch panel, a plurality of metal connecting lines arranged on a different layer with the touch electrode. The metal connecting lines connect to the touch electrode via at least one through hole, and the metal connecting line and a data line of the touch panel are insulated from each other and are overlapped. The touch electrode connects to the touch sensing chip via the metal connecting line, wherein a switch circuit is arranged between the metal connecting line and the data line. The switch circuit connects the metal connecting line and the data line in a touch phase, and the switch circuit disconnects the metal connecting line and the data line in a display phase.Type: GrantFiled: December 30, 2016Date of Patent: June 4, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventors: Qipei Zhang, Chunqian Zhang
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Patent number: 10304860Abstract: An array substrate includes a substrate, a buffer layer, a first shielding pattern, a passivation layer, a first semiconductor pattern, a gate insulating layer, a first gate pattern, an interlayer insulating layer, and two first source/drain electrode patterns. A first through hole and a second through hole are arranged on the array substrate. One of the first source/drain electrode patterns is electrically connected to the first semiconductor pattern and the first shielding pattern through the first through hole. The other one of the first source/drain electrode patterns is electrically connected to the first semiconductor pattern through the second through hole and is insulated from the first shielding pattern. The present invention where the array substrate and the method of forming the array substrate are proposed is related to a top-gate design. The driving ability of the TFT driving circuit still improves without increasing the original processes and production costs.Type: GrantFiled: February 25, 2016Date of Patent: May 28, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventors: Chunqian Zhang, Chao Wang, Jingfeng Xue
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Patent number: 10261372Abstract: The present application provides a manufacture method of an array substrate, wherein the manufacture method comprises providing a substrate; sequentially forming a planarization layer, a first common electrode layer and a first insulation layer on the substrate; forming a metal line layer on the first insulation layer; depositing a second insulation layer on a second metal layer and the first insulation layer; forming a plurality of through holes in the second insulation layer; forming a second common electrode layer on the second insulation layer which is formed with the through holes. The present application further provides a liquid crystal panel and a liquid crystal display screen.Type: GrantFiled: November 23, 2016Date of Patent: April 16, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventors: Chunqian Zhang, Caiqin Chen
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Patent number: 10255843Abstract: The disclosure discloses a flat panel display device and a scan driving circuit thereof. The scan driving circuit includes a plurality of first scan drivers and a plurality of second scan drivers that are cascaded, the plurality of first scan drivers and the plurality of second scan drivers receive a clock signal alternately. The plurality of first scan drivers and the plurality of second scan drivers perform cascaded transmission according to the clock signal. The disclosure performs cascaded transmission by interposing a clock signal, which can reduce the amount of input signals and simplify the array process.Type: GrantFiled: November 4, 2016Date of Patent: April 9, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Guanghui Hong, Qiang Gong, Chunqian Zhang
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Publication number: 20180335876Abstract: The technical field of liquid crystal display panels is related to, and an in-cell touch panel is provided. The in-cell touch panel includes a first substrate, a conductive line, an alignment film, a spacer, and a second substrate sequentially from bottom to top, and further includes a black matrix covering the conductive line. Without changing a total contact area between a first contact surface of the spacer and the conductive line, the spacer can be arranged to completely stand on the conductive line by changing a shape of the first contact surface. When the panel is made thinner or is pressed, contact and friction between the spacer and the alignment film around the conductive line can be avoided, and large-area non-uniform liquid crystal alignment can be avoided. An area of the black matrix arranged around the spacer can be greatly reduced, and accordingly an aperture ratio of pixels can be improved.Type: ApplicationFiled: December 29, 2016Publication date: November 22, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Chunqian Zhang, Chao Wang, Gui Chen
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Patent number: 10042245Abstract: A photomask having an exposure correction includes a shading region and an exposure region enclosed by the shading region. The exposure region comprises a correction sub-region and an exposure sub-region. The correction sub-region is arranged along two edges of an acute angle of the exposure region from an acute angle vertex of the exposure region.Type: GrantFiled: August 3, 2016Date of Patent: August 7, 2018Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Chunqian Zhang, Caiqin Chen, Chao Wang, Qipei Zhang
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Publication number: 20180210300Abstract: The present application provides a manufacture method of an array substrate, wherein the manufacture method comprises providing a substrate; sequentially forming a planarization layer, a first common electrode layer and a first insulation layer on the substrate; forming a metal line layer on the first insulation layer; depositing a second insulation layer on a second metal layer and the first insulation layer; forming a plurality of through holes in the second insulation layer; forming a second common electrode layer on the second insulation layer which is formed with the through holes. The present application further provides a liquid crystal panel and a liquid crystal display screen.Type: ApplicationFiled: November 23, 2016Publication date: July 26, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Chunqian ZHANG, Caiqin CHEN
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Publication number: 20180210587Abstract: The present disclosure relates to an array substrate of embedded touch panels. The array substrate includes a touch electrode arranged in an active area of the touch panel in a matrix, a touch sensing chip arranged outside the active area of the touch panel, a plurality of metal connecting lines arranged on a different layer with the touch electrode. The metal connecting lines connect to the touch electrode via at least one through hole, and the metal connecting line and a data line of the touch panel are insulated from each other and are overlapped. The touch electrode connects to the touch sensing chip via the metal connecting line, wherein a switch circuit is arranged between the metal connecting line and the data line. The switch circuit connects the metal connecting line and the data line in a touch phase, and the switch circuit disconnects the metal connecting line and the data line in a display phase.Type: ApplicationFiled: December 30, 2016Publication date: July 26, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Qipei ZHANG, Chunqian ZHANG
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Publication number: 20180190178Abstract: The disclosure discloses a flat panel display device and a scan driving circuit thereof. The scan driving circuit includes a plurality of first scan drivers and a plurality of second scan drivers that are cascaded, the plurality of first scan drivers and the plurality of second scan drivers receive a clock signal alternately. The plurality of first scan drivers and the plurality of second scan drivers perform cascaded transmission according to the clock signal. The disclosure performs cascaded transmission by interposing a clock signal, which can reduce the amount of input signals and simplify the array process.Type: ApplicationFiled: November 4, 2016Publication date: July 5, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Guanghui HONG, Qiang GONG, Chunqian ZHANG
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Publication number: 20180180988Abstract: A photomask having an exposure correction function includes a shading region and an exposure region enclosed by the shading region. The exposure region comprises a correction sub-region and an exposure sub-region. The correction sub-region is arranged on a periphery of an acute angle vertex of the exposure sub-region.Type: ApplicationFiled: August 3, 2016Publication date: June 28, 2018Inventors: Chunqian ZHANG, Caiqin CHEN
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Publication number: 20180040632Abstract: An array substrate includes a substrate, a buffer layer, a first shielding pattern, a passivation layer, a first semiconductor pattern, a gate insulating layer, a first gate pattern, an interlayer insulating layer, and two first source/drain electrode patterns. A first through hole and a second through hole are arranged on the array substrate. One of the first source/drain electrode patterns is electrically connected to the first semiconductor pattern and the first shielding pattern through the first through hole. The other one of the first source/drain electrode patterns is electrically connected to the first semiconductor pattern through the second through hole and is insulated from the first shielding pattern. The present invention where the array substrate and the method of forming the array substrate are proposed is related to a top-gate design. The driving ability of the TFT driving circuit still improves without increasing the original processes and production costs.Type: ApplicationFiled: February 25, 2016Publication date: February 8, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Chunqian ZHANG, Chao WANG, Jingfeng XUE
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Publication number: 20180017859Abstract: A photomask having an exposure correction includes a shading region and an exposure region enclosed by the shading region. The exposure region comprises a correction sub-region and an exposure sub-region. The correction sub-region is arranged along two edges of an acute angle of the exposure region from an acute angle vertex of the exposure region.Type: ApplicationFiled: August 3, 2016Publication date: January 18, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Chunqian ZHANG
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Publication number: 20170358266Abstract: A gate driver on array (GOA) circuit and a liquid crystal display include a plurality of stages of GOA unit circuits which are cascaded. Each stage of the GOA unit circuit includes a stage transmission signal buffering module which includes N inverters sequentially connected in series, where N is odd. At least one inverter comprises a first capacitor and a second capacitor. A first constant voltage is inputted into a terminal of the first capacitor, and a second constant voltage is inputted into a terminal of the second capacitor, and another terminal of the first capacitor and another terminal of the second capacitor are electrically connected with an output terminal of an (N?1)th inverter.Type: ApplicationFiled: July 1, 2016Publication date: December 14, 2017Inventors: Chunqian ZHANG, Wang Chao, Xue Jingfeng, Li Yafeng
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Publication number: 20170199427Abstract: The present disclosure provides a liquid crystal display device with reflective region. The liquid crystal display device includes: a CF substrate is disposed opposite with a TFT substrate and a liquid crystal layer arranged between the CF substrate and the TFT substrate; a reflective layer arranged between the TFT substrate and the liquid crystal layer, after external light passing through the CF substrate and the liquid crystal layer the light will be reflected by the reflective layer; a wavelength converting layer arranged between the reflective layer and the CF substrate is used to convert ultraviolet light to green light. In such a mode, the present disclosure can reduce amount of ultraviolet light and increase amount of green light, in order to reduce damage to the eyes and increase brightness in reflection.Type: ApplicationFiled: March 20, 2016Publication date: July 13, 2017Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Chunqian ZHANG, Chao WANG, Jingfeng Xue, Qiang GONG