Patents by Inventor Chao Pu
Chao Pu 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: 20260185875Abstract: A dark spot detection method and apparatus for a display panel and a computer-readable storage medium. The dark spot detection method includes: acquiring first luminances of multiple sub-pixels at a first viewing angle; acquiring a first mapping relationship between first distance and chief ray angle, wherein the first distance is a distance from a sub-pixel to a center of a display area, the chief ray angle is an included angle between a direction in which luminous intensity of the sub-pixel is greatest and a direction perpendicular to the display panel; acquiring luminances of a single sub-pixel at multiple viewing angles, obtaining a second mapping relationship between viewing angle and luminance of the single sub-pixel; determining second luminances of multiple sub-pixels at chief ray angles according to first luminances, first mapping relationship, and second mapping relationship, marking a sub-pixel whose second luminance is lower than a luminance threshold as dark spot.Type: ApplicationFiled: September 20, 2023Publication date: July 2, 2026Inventors: Chao PU, Dacheng ZHANG, Qingshan SHAN, Xiaochuan CHEN, Yinhu HUANG, Shengji YANG, Pengcheng LU, Zhao MA, Yingbing ZHANG, Liuzeming QU, Qi SU, Zhuoyang XIE
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Publication number: 20260182210Abstract: This disclosure provides an array substrate and a display device, the array substrate including a substrate comprising a cutting track region and a non-cutting track region, the non-cutting track region comprising a display region; a filling layer located on the substrate and arranged within the cutting track region; a functional layer located on the substrate and arranged within the non-cutting track region; and an evaporation layer comprising a first evaporation layer and a second evaporation layer separated from each other. A first distance between an upper surface of the filling layer and an upper surface of the substrate is substantially equal to a second distance between an upper surface of the functional layer and the upper surface of the substrate.Type: ApplicationFiled: September 19, 2023Publication date: June 25, 2026Inventors: Chao Pu, Dacheng Zhang, Qingshan Shan, Xiaochuan Chen, Yinhu Huang, Shengji Yang, Pengcheng Lu, Zhao Ma, Liuzeming Qu, Qi Su, Zhuoyang Xie
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Patent number: 12660442Abstract: A display substrate includes a display area and a bonding area located on one side of the display area; the display substrate includes a base substrate and a circuit structure layer disposed on the base substrate; the circuit structure layer of the display area is provided with a pixel driving circuit including multiple transistors, the display area further includes a light emitting structure layer and a package structure layer sequentially stacked on a side of the circuit structure layer away from the base substrate, the light emitting structure layer includes a light emitting device connected to the pixel driving circuit; a pad is provided in the circuit structure layer of the bonding area and configured to be bonded and connected to an external circuit board, a surface of the pad is disposed flush with a surface of the circuit structure layer around the pad and away from the base substrate.Type: GrantFiled: February 25, 2022Date of Patent: June 16, 2026Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., LtdInventors: Chao Pu, Shengji Yang, Pengcheng Lu, Kuanta Huang, Xiaochuan Chen
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Publication number: 20260033180Abstract: The present disclosure provides a display panel (PNL) and a display device. The display panel (PNL) comprises a display area (AA) and a binding area (BB) located on one side of the display area (AA); wherein, in the binding area (BB), there are multiple pads (PAD) arranged in sequence along a first direction DH; wherein, the multiple pads (PAD) comprise at least multiple first pads (PA) and multiple second pads (PB); each of the first pads (PA) comprises a first connection portion (PAY) and a first structure (PAX) located on one side of the first connection portion (PAY) near the display area (AA), a maximum width of the first structure (PAX) is greater than that of the first connection portion (PAY). The first structure (PAX) is located on one side of the second pad (PB) near the display area (AA).Type: ApplicationFiled: November 30, 2022Publication date: January 29, 2026Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao PU, Shengji YANG, Junyan YANG, Xiaochuan CHEN, Kuanta HUANG, Pengcheng LU, Yuhao LEE, Hongtao YU, Zhao MA, Mingrui ZHANG, Liuzeming QU, Zhuoyang XIE, Qi SU
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Patent number: 12439772Abstract: A display module has a bonding region, and includes a first bonding component and a second bonding component. The first bonding component includes first test pins and first function pins that are disposed in the bonding region and arranged in a first direction. The second bonding component includes second test pins and second function pins that are disposed in the bonding region and arranged in the first direction. The second test pins and the first test pins are coupled to constitute test pin pairs, the second function pins and the first function pins are coupled to constitute function pin pairs, and the test pin pairs and the function pin pairs constitute a pin row. The first bonding component further includes at least one first dummy pin disposed in the bonding region, and a first dummy pin is located on an outer side of the pin row in the first direction.Type: GrantFiled: September 24, 2021Date of Patent: October 7, 2025Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao Pu, Shengji Yang, Kuanta Huang, Pengcheng Lu, Xiaochuan Chen
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Publication number: 20250295011Abstract: A display panel and a display device are provided. The display panel includes a base substrate and sub-pixels. A first electrode of a light-emitting element of the sub-pixel includes a reflective layer, a transparent conductive layer, and a dielectric layer between the reflective layer and the transparent conductive layer. A second electrode of the light-emitting element forms a first optical cavity with a portion of the reflective layer in a center region of the first electrode, and forms a second optical cavity with a portion of the reflective layer in an edge region of the first electrode. At least one of the reflective layer, the transparent conductive layer and the dielectric layer has different thicknesses in the center region and in the edge region, such that a cavity length of the first optical cavity is different from that of the second optical cavity.Type: ApplicationFiled: November 17, 2023Publication date: September 18, 2025Inventors: Dacheng Zhang, Chen Xu, Chao Pu
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Publication number: 20250261497Abstract: Disclosed are a display panel and a display device. The display panel is provided with an display region and a peripheral region, and includes a display substrate and at least one alignment mark disposed in the peripheral region. The display substrate is sequentially provided with a first packaging layer, a light-shielding layer, and a second packaging layer at a side, distal to the base substrate, of a second electrode layer. The light-shielding layer is provided with an opening hole, and a distance between a medial edge of the opening hole and a first end of the light-shielding layer is greater than a distance between a lateral edge of the opening hole and a second end of the light-shielding layer.Type: ApplicationFiled: July 19, 2023Publication date: August 14, 2025Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chao PU, Xiaochuan CHEN, Yinhu HUANG, Shengji YANG, Pengcheng LU, Hao XU, Zhao MA, Mingrui ZHANG, Liuzeming QU, Qi SU, Zhuoyang XIE
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Publication number: 20250248237Abstract: A display substrate and a display apparatus are provided.Type: ApplicationFiled: October 25, 2023Publication date: July 31, 2025Inventors: Chao Pu, Dacheng Zhang, Qingshan Shan, Xiaochuan Chen, Yinhu Huang, Shengji Yang, Pengcheng Lu, Zhao Ma, Yingbing Zhang, Liuzeming Qu, Qi Su, Zhuoyang Xie
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Publication number: 20250228110Abstract: A display panel and a manufacturing method thereof. The display panel includes: a base substrate; and sub-pixels on the base substrate. Each sub-pixel includes: a light-emitting unit having first and second electrodes and a light-emitting layer; an encapsulation layer covering the light-emitting unit; a color filter on a side of the encapsulation layer away from the base substrate; and a micro lens on a side of the color filter away from the base substrate. A surface of the micro lens on a side away from the base substrate includes a central part and an edge part surrounding the central part, the central part is a flat surface parallel to the base substrate, the edge part is a curved surface protruding from an inside of the micro lens to an outside of the micro lens, and a roughness of the central part is greater than that of the edge part.Type: ApplicationFiled: November 17, 2023Publication date: July 10, 2025Inventors: Dacheng Zhang, Chen Xu, Chao Pu
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Publication number: 20250126990Abstract: Disclosed are a display substrate and preparation method thereof, and a display device. The display substrate includes a display area (100) and a bonding area (200). On a plane perpendicular to the display substrate, the bonding area (200) includes a base substrate (10), a bonding structure layer (70) disposed on the base substrate (10), and a bonding pad (80) disposed on the bonding structure layer (70). The bonding pad (80) is configured to be bonded to connect to a circuit board; and at least includes a first bonding pad layer (210) and a second bonding pad layer (220), the first bonding pad layer (210) is disposed on a side of the second bonding pad layer (220) away from the base substrate (10), at least one first concave-convex structure (310) is disposed on a surface of a side of the first bonding pad layer (210) away from the base substrate (10).Type: ApplicationFiled: August 19, 2022Publication date: April 17, 2025Inventors: Chao PU, Shengji YANG, Xiaochuan CHEN, Kuanta HUANG, Pengcheng LU, Junbo WEI, Mingrui ZHANG, Zhao MA, Liuzeming QU
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Publication number: 20250031536Abstract: A display panel and a driving baseplate, relate to the technical field of displaying. The display panel includes an active area and a peripheral area located on at least one side of the active area, and the display panel includes: a driving baseplate, including a substrate and a conducting ring embedded on a surface of one side of the substrate, wherein the conducting ring is located in the peripheral area; a light emitting device, located in the active area and disposed on a side of the driving baseplate close to the conducting ring; an isolation dam, located in the peripheral area and disposed on a side of the conducting ring away from the substrate, wherein the isolation dam overlaps with the conducting ring; and an encapsulation layer, disposed on sides of the light emitting device and the isolation dam away from the substrate.Type: ApplicationFiled: November 15, 2022Publication date: January 23, 2025Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chao Pu, Shengji Yang, Junyan Yang, Xiaochuan Chen, Kuanta Huang, Pengcheng Lu, Bin Wu, Shengdi Zhu, Yanqiang Ding, Zhicheng Guo, Yun Zhu
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Publication number: 20240397805Abstract: A display panel, a displaying device and a wearable device. The display panel includes a displaying region and a peripheral region surrounding the displaying region, a region of the peripheral region other than the bonding sub-region includes a first testing-unit group and a second testing-unit group, and each of the first testing-unit group and the second testing-unit group includes one or more circuit testing units; the displaying region includes a first lateral side and a second lateral side that extend in a first direction and face each other, the first direction refers to a direction from the bonding sub-region pointing to the displaying region; and a maximum distance from the first testing-unit group to the first lateral side in a direction perpendicular to the first direction is equal to a maximum distance from the second testing-unit group to the second lateral side in the direction perpendicular to the first direction.Type: ApplicationFiled: July 27, 2022Publication date: November 28, 2024Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chao Pu, Shengji Yang, Xiaochuan Chen, Kuanta Huang, Pengcheng Lu, Junyan Yang, Dachao Li, Rongrong Shi, Junbo Wei, Xiao Bai, Bo Yang, Bin Wu, Shengdi Zhu, Yanqiang Ding, Zhicheng Guo, Yun Zhu
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Publication number: 20240298486Abstract: A display panel and a display apparatus. The display panel includes a backplane (10) and light-emitting devices (20). The backplane (10) includes: a base substrate (101); pixel driving circuits (102); a first insulating layer (103); conductive portions (104), wherein each of the conductive portions (104) is connected to a corresponding pixel driving circuit (102) via a first connector (CM1) penetrating through the first insulating layer (103); and a second insulating layer (105) located on the side of the first insulating layer (103) and the conductive portions (104) away from the base substrate (101). The light-emitting devices (20) are located on the side of the second insulating layer (105) away from the base substrate (101), wherein an anode (201) of at least one of the light-emitting devices (20) is connected to a corresponding conductive portion (104) via second connectors (CM2) penetrating through the second insulating layer (105).Type: ApplicationFiled: December 24, 2021Publication date: September 5, 2024Applicants: YUNNAN INVENSIGHT OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao PU, Shengji YANG, Kuanta HUANG, Pengcheng LU, Xiaochuan CHEN, Junbo WEI, Zhao MA, Liuzeming QU
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Patent number: 12048179Abstract: This disclosure relates to an organic electroluminescent structure and a fabrication method thereof, and a display device. The organic electroluminescent structure includes a base substrate; an anode layer formed on the base substrate, in which the anode layer comprises a plurality of anodes arranged at intervals; an organic light-emitting functional layer having a hole injection layer, in which the hole injection layer includes a plurality of hole injection blocks arranged at intervals, and each of the hole injection blocks is correspondingly formed on the second surface of one of the anodes; and a cathode layer formed at a side of the organic light-emitting functional layer facing away from the anode layer.Type: GrantFiled: January 5, 2021Date of Patent: July 23, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Li Liu, Pengcheng Lu, Shengji Yang, Kui Zhang, Rongrong Shi, Chao Pu
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Publication number: 20240244881Abstract: A display module has a bonding region, and includes a first bonding component and a second bonding component. The first bonding component includes first test pins and first function pins that are disposed in the bonding region and arranged in a first direction. The second bonding component includes second test pins and second function pins that are disposed in the bonding region and arranged in the first direction. The second test pins and the first test pins are coupled to constitute test pin pairs, the second function pins and the first function pins are coupled to constitute function pin pairs, and the test pin pairs and the function pin pairs constitute a pin row. The first bonding component further includes at least one first dummy pin disposed in the bonding region, and a first dummy pin is located on an outer side of the pin row in the first direction.Type: ApplicationFiled: September 24, 2021Publication date: July 18, 2024Inventors: Chao PU, Shengji YANG, Kuanta HUANG, Pengcheng LU, Xiaochuan CHEN
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Publication number: 20240244901Abstract: A display substrate includes a display area and a bonding area located on one side of the display area; the display substrate includes a base substrate and a circuit structure layer disposed on the base substrate; the circuit structure layer of the display area is provided with a pixel driving circuit including multiple transistors, the display area further includes a light emitting structure layer and a package structure layer sequentially stacked on a side of the circuit structure layer away from the base substrate, the light emitting structure layer includes a light emitting device connected to the pixel driving circuit; a pad is provided in the circuit structure layer of the bonding area and configured to be bonded and connected to an external circuit board, a surface of the pad is disposed flush with a surface of the circuit structure layer around the pad and away from the base substrate.Type: ApplicationFiled: February 25, 2022Publication date: July 18, 2024Inventors: Chao PU, Shengji YANG, Pengcheng LU, Kuanta HUANG, Xiaochuan CHEN
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Patent number: 12041812Abstract: A display panel, a method of manufacturing a display panel, and a display device are provided. The display panel includes: a substrate; a light-emitting device layer arranged on the substrate; a first thin film encapsulation layer including at least one organic layer; a color filter layer; a second thin film encapsulation layer including at least one organic layer; and an adhesive film layer arranged on at least one side of the color filter layer, wherein the adhesive film layer is in direct contact with the color filter layer, and the adhesive film layer and the color filter layer are stacked, and a material of the adhesive film layer has a viscosity greater than a viscosity of a material of the organic layer in each of the first thin film encapsulation layer and the second thin film encapsulation layer.Type: GrantFiled: December 4, 2020Date of Patent: July 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao Pu, Shengji Yang, Pengcheng Lu, Kuanta Huang, Xiaochuan Chen, Junbo Wei
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Publication number: 20240130202Abstract: A display panel includes an active area and a peripheral area surrounding the active area, and the display panel further includes: a substrate and a plurality of light emitting devices arranged on the substrate in array, wherein the plurality of light emitting devices are located at least in the active area; a conducting layer comprising a cathode ring and cathodes of the plurality of light emitting devices, wherein the cathode ring is located in the peripheral area, and the cathode ring surrounds the active area; and a lens layer located at a side of the light emitting devices away from the substrate, wherein the lens layer extends from the active area to the peripheral area; wherein an orthographic projection of the lens layer on the substrate is located within an area delineated by an outer contour of an orthographic projection of the cathode ring on the substrate.Type: ApplicationFiled: October 18, 2022Publication date: April 18, 2024Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chao Pu, Shengji Yang, Junyan Yang, Xiaochuan Chen, Kuanta Huang, Pengcheng Lu, Dachao Li, Rongrong Shi, Junbo Wei, Xiao Bai, Bo Yang
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Patent number: 11950486Abstract: A display device, an electronic apparatus and a method for manufacturing the display device are disclosed. The display device includes an array substrate and a first thin film encapsulation layer disposed on the array substrate. The array substrate is a silicon based organic light-emitting diode array substrate, and the array substrate includes a silicon substrate and a light-emitting device disposed on the silicon substrate; a second thin film encapsulation layer disposed between the light-emitting device and the first thin film encapsulation layer; and a color filter layer disposed between the first thin film encapsulation layer and the second thin film encapsulation layer, at each edge of the first thin film encapsulation layer, an orthographic projection of the array substrate on a plane parallel to the array substrate extends beyond an orthographic projection of the first thin film encapsulation layer on the plane.Type: GrantFiled: August 27, 2019Date of Patent: April 2, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Chao Pu, Shengji Yang, Kuanta Huang, Pengcheng Lu, Xiaochuan Chen
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Patent number: 11871625Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a silicon-based substrate and an array structure layer arranged on the silicon-based substrate; a driving transistor and a first power line being arranged in the silicon-based substrate in the display area, a light emitting element being disposed on the array structure layer in the display area, a first electrode of the driving transistor being connected with the first power line, and a second electrode of the driving transistor being connected with an anode of the light emitting element; a power supply electrode and a second power line being arranged in the silicon-based substrate in the peripheral area, the power supply electrode being connected with the second power line.Type: GrantFiled: March 27, 2020Date of Patent: January 9, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Pengcheng Lu, Shengji Yang, Kuanta Huang, Xiaochuan Chen, Yage Song, Yanming Wang, Hui Wang, Dongdong Duan, Jiantong Li, Xiao Bai, Yunlong Li, Shuai Tian, Zhijian Zhu, Yu Ao, Junbo Wei, Chao Pu, Yuanlan Tian