Patents by Inventor Xiaochuan Chen
Xiaochuan Chen 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: 11656721Abstract: A pixel circuit, an array substrate, a display panel and a method of driving the same, and a display device. The pixel circuit includes: a light emitting device; a light sensitive touch control sub-circuit, connected to a first scan terminal, a second scan terminal, a data signal terminal and a signal reading line, the light sensitive touch control sub-circuit being configured to generate a detection signal based on a light intensity under a control of a first scan signal from the first scan terminal and a data signal from the data signal terminal and to output the detection signal through the signal reading line; and a light emitting driving control sub-circuit, connected to the first scan terminal, the second scan terminal and the data signal terminal, the light emitting driving control sub-circuit being configured to drive the light emitting device.Type: GrantFiled: February 25, 2019Date of Patent: May 23, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu
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Publication number: 20230154228Abstract: The present disclosure provides a fingerprint identification structure and a display device. The fingerprint identification structure includes an acoustic wave emitter, a focus acoustic lens, and a sound wave receiver. The acoustic lens are between the acoustic wave emitter and the sound wave receiver, the acoustic wave emitter is at a focal position of the acoustic lens and configured to emit acoustic wave toward the acoustic lens, the acoustic wave receiver is configured to detect the intensity distribution of the acoustic wave emitted by the acoustic wave emitter after the acoustic wave sequentially passes through the acoustic lens and the acoustic wave receiver, reaches the surface of the finger and is reflected back by the surface of the finger. The fingerprint recognition structure improves design flexibility.Type: ApplicationFiled: November 21, 2019Publication date: May 18, 2023Inventors: Yuzhen GUO, Yingming LIU, Haisheng WANG, Xiufeng LI, Peixiao LI, Yanling HAN, Chenyang ZHANG, Lijun ZHAO, Yaqian JI, Xue DONG, Xiaochuan CHEN
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Patent number: 11651743Abstract: A light emitting substrate, a method of driving a light emitting substrate, and a display device are provided. The light emitting substrate includes a plurality of light emitting units arranged in an array. Each light emitting unit includes a driving circuit, a plurality of light emitting elements, and a driving voltage terminal. The plurality of light emitting elements are sequentially connected in series and connected between the driving voltage terminal and the output terminal of the driving circuit. The driving circuit is configured to output a relay signal through the output terminal in a first period according to a first input signal received by the first input terminal and a second input signal received by the second input terminal, and supply a driving signal to the plurality of light emitting elements sequentially connected in series through the output terminal in a second period.Type: GrantFiled: March 17, 2020Date of Patent: May 16, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Ming Yang, Wei Hao, Feifei Wang, Minghua Xuan, Zhenyu Zhang, Xiaochuan Chen, Lingyun Shi
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Patent number: 11653548Abstract: A display panel includes a sub-pixel array and a plurality of photosensitive units. The sub-pixel array includes as first sub-pixel, a second sub-pixel and a third sub-pixel that are capable of emitting light of different colors. The plurality of photosensitive units are disposed under a light-emitting surface of the sub-pixel array. Each of the plurality of photosensitive units includes a photosensitive device, and the photosensitive device includes a photosensitive layer; and an orthographic projection of the photosensitive layer in the photosensitive device on a panel surface of the display panel has overlapping regions with orthographic projections of the first sub-pixel, the second sub-pixel and the third sub-pixel on the panel surface of the display panel.Type: GrantFiled: December 25, 2019Date of Patent: May 16, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuzhen Guo, Xiaochuan Chen, Lei Wang, Haisheng Wang, Yingming Liu, Lijun Zhao, Changfeng Li
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Patent number: 11647661Abstract: A display substrate and a manufacturing method thereof, and a display device. The display substrate includes: a base substrate including a display region and a peripheral region surrounding the display region; a first light emitting element in the display region of the base substrate; and a color film structure on a display side of the first light emitting element. The color film structure includes: a first color film, including only a first pixel color film located in the display region; and a second color film, including a second pixel color film located in the display region and at least partially non-overlapping with the first pixel color film, and a first frame color film located in the peripheral region and surrounding the display region.Type: GrantFiled: August 27, 2019Date of Patent: May 9, 2023Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Yunlong Li, Pengcheng Lu, Kui Zhang, Li Liu, Shengji Yang, Kuanta Huang, Xiaochuan Chen, Dacheng Zhang
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Publication number: 20230133470Abstract: An electrode, a method of manufacturing the same, a light-emitting device, and a display device are provided, the electrode includes: a reflective layer; and two double-layer adjusting units stacked on the reflective layer, each including an insulating layer and a conductive layer sequentially arranged and directly contacted in a direction away from the reflective layer. For at least one unit, a via hole is provided in the insulating layer, an electrode lead formed integrally with the conductive layer is provided in the via hole, and electrically connected to the reflective layer through the electrode lead. In each unit, a difference between a thickness of the conductive layer and a thickness of the insulating layer does not exceed a set threshold configured to control the thickness of the insulating layer. The conductive layer farthest from the reflective layer locates on different levels in light-emitting regions of different types of light-emitting devices.Type: ApplicationFiled: December 27, 2022Publication date: May 4, 2023Inventors: Can Zhang, Xiaochuan Chen Residence, Can Wang, Han Yue, Ning Cong, Ming Yang, Minghua Xuan
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Publication number: 20230138214Abstract: Embodiments of the present disclosure provide a display panel, a driving method thereof and a display device. The display panel includes: a light guide plate, configured to propagate light incident at a set angle by total reflection; an opposite substrate, arranged opposite to the light guide plate; a liquid crystal layer, arranged between the light guide plate and the opposite substrate; and a plurality of light extraction structures. Each light extraction structure includes: a light taking grating arranged on a surface of the light guide plate, a first wire grid structure arranged between the light guide plate and the liquid crystal layer, a second wire grid structure arranged between the liquid crystal layer and the opposite substrate, and a first electrode structure and a second electrode structure arranged between the light guide plate and the opposite substrate.Type: ApplicationFiled: September 26, 2019Publication date: May 4, 2023Inventors: Xiandong MENG, Jifeng TAN, Wei WANG, Xianqin MENG, Jian GAO, Xiaochuan CHEN
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Patent number: 11640020Abstract: A display device is disclosed, and the display device includes a display layer and a lens layer; the lens layer is provided on a light emergent side of the display layer, and includes at least one grating compound lens unit; the display layer includes at least one display pixel set, and the display pixel set is configured to emit light for imaging toward the grating compound lens unit during display; the grating compound lens unit is configured to optically image the display pixel set; and the grating compound lens unit is further configured to deflect the light for imaging, to make an image-space central visual field direction of the grating compound lens unit intersect with an extension direction of an optical axis of the grating compound lens unit, so that the display device has one or more viewpoints.Type: GrantFiled: April 22, 2019Date of Patent: May 2, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Wang, Xiaochuan Chen, Jiayao Liu, Qiuyu Ling, Xianqin Meng, Xiandong Meng, Pengxia Liang, Fangzhou Wang, Peilin Liu
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Patent number: 11640069Abstract: The light extraction device, the detection equipment and the operation method thereof are provided. The light extraction device includes at least one light splitting unit, each of the at least one light splitting unit includes a color separation grating, configured to separate light incident on the color separation grating into a plurality of light beams that are collimated and propagated in different directions and have different colors; a first lens, disposed corresponding to the color separation grating and configured to converge the plurality of light beams; and a first pinhole, located on a side of the first lens away from the color separation grating and correspondingly arranged with the first lens. The first lens is configured to converge a light beam having a preset color in the plurality of light beams to the first pinhole and allow the light beam having the preset color to exit.Type: GrantFiled: October 24, 2019Date of Patent: May 2, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiandong Meng, Xianqin Meng, Wei Wang, Jifeng Tan, Qiuyu Ling, Fangzhou Wang, Jian Gao, Xiaochuan Chen
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Publication number: 20230117098Abstract: A display substrate, a color filter substrate, a display panel and a display device are disclosed in the present application, relating to the field of display technologies. In the display substrate, because the area of the orthographic projection of the first opening region on the first base substrate is less, the area of the orthographic projection of the second opening region on the first base substrate is larger, and the area of the orthographic projection of the third opening region on the first base substrate is larger, the first subpixel of the display substrate emits less light, and the second subpixel and the third subpixel emit more light. In addition, because the wavelength of the first color is larger and the proportion of the light of the first color in the light emitted from the display substrate is less, the color cast of the display panel can be avoided and the display panel has a better display effect.Type: ApplicationFiled: October 25, 2021Publication date: April 20, 2023Inventors: Chenyu CHEN, Pengcheng LU, Zhijian ZHU, Xiaochuan CHEN
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Patent number: 11630300Abstract: Provided is a near-eye display device including: a base substrate including first and second surfaces opposite to each other, an optical element array on the first surface, and a pixel island array and a sensor array that are on the second surface and are coupled to each other. The pixel island array emits first pixel light to the optical element array, such that the first pixel light passes through the optical element array and then reaches a human eye. The sensor array receives light of the first pixel light reflected by the human eye, determines a position of a pupil center of the human eye according to an intensity distribution of the reflected light, determines pixels corresponding to the position of the pupil center in the pixel island array, and controls the pixels to emit second pixel light.Type: GrantFiled: July 2, 2020Date of Patent: April 18, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiuyu Ling, Wei Wang, Xiandong Meng, Pengxia Liang, Xianqin Meng, Gaolei Xue, Fangzhou Wang, Meng Yan, Peilin Liu, Yujiao Guo, Yishan Tian, Xiaochuan Chen
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Publication number: 20230106169Abstract: Provided are a light-emitting substrate and a preparation method thereof, a light-emitting module, and a display module. The light-emitting substrate includes a substrate, a drive circuit layer located on a side of the substrate, at least one light-emitting element located on a side of the drive circuit layer away from the substrate, and a first reflective layer disposed on a side of the light-emitting element away from the substrate; the drive circuit layer includes multiple first wirings and second wirings which are disposed crosswise, and the first wirings and the second wirings form at least one light transmittance region.Type: ApplicationFiled: December 28, 2020Publication date: April 6, 2023Inventors: Weiting PENG, Xianqin MENG, Yishan TIAN, Qiuyu LING, Yujiao GUO, Wei WANG, Xiaochuan CHEN
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Publication number: 20230094018Abstract: A display device provided by the present disclosure includes: a plurality of display units arranged in an array, wherein each display unit includes m sub-pixels, the m sub-pixels of the display unit are in one-to-one correspondence with m preset viewing areas, and m is an integer greater than or equal to 2; and refraction structures in one-to-one correspondence with the plurality of display units, wherein each refraction structure is located on a light emitting side of a display unit corresponding to the refraction structure, and the refraction structure is configured to refract light emitted from each sub-pixel of a corresponding display unit to a viewing area corresponding to the sub-pixel.Type: ApplicationFiled: November 29, 2019Publication date: March 30, 2023Inventors: Jian GAO, Xue DONG, Xiaochuan CHEN, Tao HONG, Ming ZHU
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Patent number: 11611056Abstract: A display apparatus and a method of manufacturing the same are provided. The display apparatus includes a substrate, and a plurality of display devices, an encapsulation layer, a microlens array and a protective layer which are sequentially provided on the substrate, and the microlens array includes a plurality of microlenses corresponding to the plurality of display devices, and each microlens in the microlens array comprises a multi-step structure including a plurality of steps.Type: GrantFiled: April 30, 2020Date of Patent: March 21, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gaolei Xue, Xiandong Meng, Wei Wang, Can Wang, Xiaochuan Chen
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Patent number: 11600234Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.Type: GrantFiled: March 10, 2020Date of Patent: March 7, 2023Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weilin Lai, Yucheng Chan, Jianbang Huang, Dachao Li, Shengji Yang, Pengcheng Lu, Kuanta Huang, Xiaochuan Chen, Xue Dong, Hui Wang, Yanming Wang, Chen Xu, Dacheng Zhang, Yongfa Dong, Qing Wang, Hui Tong, Yunlong Li
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Patent number: 11600748Abstract: Provided is a display substrate including: a base substrate, a plurality of micro light-emitting diodes and a plurality of touch electrodes; wherein the micro light-emitting diode comprises: a first electrode, a light-emitting layer, and a second electrode that are sequentially arranged in a direction distal from the base substrate; and the touch electrode is disposed on a side of the micro LED distal from the base substrate. A manufacturing method of manufacturing a display substrate, a display panel, and a display device are also provided.Type: GrantFiled: July 10, 2019Date of Patent: March 7, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shengji Yang, Xiaochuan Chen, Hui Wang, Pengcheng Lu
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Patent number: 11580782Abstract: Embodiments of the present invention provide a display panel, including a display region, wherein the display region includes an iris recognition region; the display panel further includes a light conversion layer disposed in the iris recognition region, the light conversion layer is configured to convert visible light incident on the light conversion layer into infrared light, and the infrared light is emitted from a display side of the display panel.Type: GrantFiled: May 29, 2020Date of Patent: February 14, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Qing Wang, Shengji Yang, Xiaochuan Chen, Kuanta Huang
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Publication number: 20230043626Abstract: Provided is a pixel driving circuit configured to provide a signal to a to-be-driven element. The pixel driving circuit includes: a current control sub-circuit, configured to transmit a current signal; a time length control sub-circuit, configured to transmit a time signal; and an output sub-circuit, electrically connected with the time length control sub-circuit and the current control sub-circuit, respectively; where the time length control sub-circuit is further configured to control the output sub-circuit to be turned on or off based on the time signal; the output sub-circuit is configured to, when turned on, control a current applied to the to-be-driven element based on the current signal, where duration of two adjacent turn-ons of the output sub-circuit is same and duration of two adjacent turn-offs of the output sub-circuit is same.Type: ApplicationFiled: March 3, 2021Publication date: February 9, 2023Inventors: Ning CONG, Xiaochuan CHEN, Minghua XUAN, Can ZHANG, Ming YANG, Lijun YUAN, Angran ZHANG
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Patent number: 11567403Abstract: The present disclosure provides a quantum dot color filter, a fabrication method thereof, a display panel and a display device, and belongs to the field of display technology. The quantum dot color filter of the present disclosure includes a quantum dot functional layer configured to emit light of a certain color under excitation of excitation light. The quantum dot functional layer has a hollowed-out portion, which exposes a side surface of the quantum dot functional layer, so that the excitation light is able to arrive at the side surface.Type: GrantFiled: April 29, 2020Date of Patent: January 31, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ge Shi, Ming Zhu, Zheng Fang, Yanliu Sun, Haijun Niu, Shiyu Zhang, Song Yang, Yujie Liu, Yuyao Wang, Jiahui Han, Xiaochuan Chen, Xue Dong
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Patent number: 11562693Abstract: A pixel driving circuit includes a current controlling module, an outputting module and a time length controlling module including a comparator, a first energy storage element, an offset voltage writing sub-circuit, and first and second output sub-circuits. First terminal of first energy storage element is connected with first input terminal of comparator and second terminal with the first output sub-circuit. The second output sub-circuit is connected with second input terminal of comparator. The offset voltage writing sub-circuit writes an offset voltage of comparator to the first energy storage element. One of the first and second output sub-circuits outputs time signal and the other outputs reference voltage signal. The comparator outputs comparison signal according to the time signal and the reference voltage signal. The current controlling module outputs current signal.Type: GrantFiled: March 16, 2021Date of Patent: January 24, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ning Cong, Minghua Xuan, Can Zhang, Xiaochuan Chen, Lijun Yuan, Qi Qi