Patents by Inventor Jianchang CAI
Jianchang CAI 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: 12338522Abstract: A fine metal mask plate, a mask device and a tensioning device are provided in the present disclosure. The fine metal mask plate includes a mask strip body being of strip-like shape and including two opposite long edges and two opposite short edges, and at least three skirts arranged on each short edge and spaced apart from each other along an extension direction of the short edge.Type: GrantFiled: September 18, 2020Date of Patent: June 24, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianchang Cai, Longhui Xue, Wei Zhang, Xingliang Xiao
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Publication number: 20250160156Abstract: A display substrate includes a base substrate, multiple pixel circuits, multiple first light emitting elements, and at least one first data line. The base substrate includes a first display region and a second display region, wherein the first display region at least partially surrounds the second display region. The first display region includes: a first sub-display region and a second sub-display region located on opposite sides of the second display region along a first direction, and a third sub-display region located on at least one side of the second display region along a second direction. The first data line includes a first sub-data line, a second sub-data line, and a third sub-data line connected with the first sub-data line and the second sub-data line.Type: ApplicationFiled: January 15, 2025Publication date: May 15, 2025Inventors: Jianchang CAI, Chi YU, Bo SHI, Yudiao CHENG, Zhi WANG, Benlian WANG
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Patent number: 12300166Abstract: A display panel and a display device are provided.Type: GrantFiled: September 8, 2021Date of Patent: May 13, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao Wu, Yue Long, Jianchang Cai, Yuanyou Qiu, Kaipeng Sun
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Patent number: 12295227Abstract: A display substrate, a preparation method therefor, and a display apparatus.Type: GrantFiled: September 10, 2021Date of Patent: May 6, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Long, Yuanyou Qiu, Jianchang Cai, Chao Wu, Xingliang Xiao
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Patent number: 12283649Abstract: A display panel, a manufacturing method thereof and a display device. The display panel includes a first region and a second region. The second region includes a driving circuitry layer and a first light-emitting unit located on a base substrate, the first region includes a plurality of second light-emitting units located on the base substrate, the second light-emitting unit is electrically coupled to the driving circuitry layer through a transparent conductive layer, the transparent conductive layer includes at least two conductive sub-layers laminated one on another and insulated from each other, each conductive sub-layer includes at least one transparent conductive line, and each transparent conductive line is coupled to a corresponding second light-emitting unit.Type: GrantFiled: December 21, 2021Date of Patent: April 22, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weiyun Huang, Jianchang Cai, Xingliang Xiao, Yao Huang, Yuanyou Qiu, Zhong Lu
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Patent number: 12262608Abstract: Disclosed is a display substrate including a base substrate, which includes first and second display regions, and at least one first data line. The first display region includes first and second sub-display regions located on opposite sides of the second display region along a first direction and a third sub-display region located on at least one side of the second display region along a second direction. The first data line includes a first sub-data line located in the first sub-display region and connected with a pixel circuit of the first sub-display region, a second sub-data line located in the second sub-display region and connected with a pixel circuit of the second sub-display region, and a third sub-data line which is connected with the first and second sub-data lines, located in the third sub-display region, and connected with at least one second pixel circuit of the third sub-display region.Type: GrantFiled: June 23, 2021Date of Patent: March 25, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jianchang Cai, Chi Yu, Bo Shi, Yudiao Cheng, Zhi Wang, Benlian Wang
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Patent number: 12254794Abstract: A display panel and a display device are provided. In the display panel, a first display region includes first light-emitting units, and a second display region includes second light-emitting units, first pixel circuits and second pixel circuits, the first pixel circuit is connected with the first light-emitting unit, and the second pixel circuit is connected with the second light-emitting unit. The first display region includes a first region and a second region on a side of the first region away from the second display region, the second display region includes a third region and a fourth region on a side of the third region close to the first display region, the first light-emitting unit in the first region is connected with the first pixel circuit in the third region, the first light-emitting unit in the second region is connected with the first pixel circuit in the fourth region.Type: GrantFiled: July 21, 2021Date of Patent: March 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yudiao Cheng, Weiyun Huang, Yuanyou Qiu, Jianchang Cai, Lili Du, Chi Yu
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Publication number: 20250072245Abstract: A display substrate and a display device. The present display substrate includes a first to a third display region. The first display region includes first pixel repeating units, and allows light from the first side to at least partially penetrate to the second side. The second display region includes second and fourth pixel repeating units. The third display region includes third pixel repeating units. Each first pixel repeating unit is electrically connected to the corresponding fourth pixel repeating unit by means of t transparent connecting traces. The pitch of the first and second pixel repeating units is b1, and the pitch of the third pixel repeating units is b2, the pitch of the transparent connecting traces is D, and the maximum number s of first pixel repeating units in the first direction satisfying s?2*Floor (b1/((D*t))).Type: ApplicationFiled: November 12, 2024Publication date: February 27, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao HUANG, Guobo YANG, Jianchang CAI, Chao WU, Yuanyou QIU, Binyan WANG
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Patent number: 12230641Abstract: A display panel, a manufacturing method thereof and a display device. The display panel includes a first region and a second region. The second region includes a driving circuitry layer and a first light-emitting unit located on a base substrate, the first region includes a plurality of second light-emitting units located on the base substrate, the second light-emitting unit is electrically coupled to the driving circuitry layer through a transparent conductive layer, the transparent conductive layer includes at least two conductive sub-layers laminated one on another and insulated from each other, each conductive sub-layer includes at least one transparent conductive line, and each transparent conductive line is coupled to a corresponding second light-emitting unit.Type: GrantFiled: June 3, 2021Date of Patent: February 18, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weiyun Huang, Jianchang Cai, Xingliang Xiao, Yao Huang, Yuanyou Qiu, Zhong Lu
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Publication number: 20250040399Abstract: The present disclosure relates to a display panel and a display device. The display panel includes a base substrate with a display area and a non-display area surrounding the display area, the display area including a first display sub-area and a second display sub-area; a plurality of first light emitting elements formed on the base substrate and located in the first display sub-area; and a plurality of first pixel circuits formed on the base substrate and located in at least one of the second display sub-area and the non-display area, where the first pixel circuits are electrically connected to the first pixel electrodes of the first light emitting elements through a conductive wire.Type: ApplicationFiled: October 11, 2024Publication date: January 30, 2025Inventors: Kaipeng Sun, Yue Long, Jianchang Cai, Weiyun Huang, Qiwei Wang, Benlian Wang
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Patent number: 12193291Abstract: A display substrate and a display device. The present display substrate includes a first to a third display region. The first display region includes first pixel repeating units, and allows light from the first side to at least partially penetrate to the second side. The second display region includes second and fourth pixel repeating units. The third display region includes third pixel repeating units. Each first pixel repeating unit is electrically connected to the corresponding fourth pixel repeating unit by means of t transparent connecting traces. The pitch of the first and second pixel repeating units is b1, and the pitch of the third pixel repeating units is b2, the pitch of the transparent connecting traces is D, and the maximum number s of first pixel repeating units in the first direction satisfying s?2*Floor(b1/((D*t))).Type: GrantFiled: May 17, 2021Date of Patent: January 7, 2025Assignees: CHENGDU BOE OPTELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao Huang, Guobo Yang, Jianchang Cai, Chao Wu, Yuanyou Qiu, Binyan Wang
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Publication number: 20240397763Abstract: A display substrate comprises a base substrate (10), a first conductive layer (21), a first planarization layer (31), a second conductive layer (22), a second planarization layer (32) and at least one transparent conductive layer which are located on the base substrate (10). The second conductive layer (22) is electrically connected with the first conductive layer (21) through at least one first via penetrating the first planarization layer (31). The transparent conductive layer includes at least one first transparent conductive line (231) and at least one auxiliary trace (232). An orthographic projection of the first transparent conductive line (231) on the base substrate (10) is overlapped with an orthographic projection of the at least one first via on the base substrate (10).Type: ApplicationFiled: December 27, 2021Publication date: November 28, 2024Inventors: Jianchang CAI, Qing TANG, Yu ZHAO, Yanwei LU, Jianmin FAN, Binyan WANG, Yue LONG, Weiyun HUANG, Zhuoran YAN, Yifei WANG
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Patent number: 12156443Abstract: A display substrate includes: a base substrate having a display region and a peripheral region surrounding the display region; a plurality of sub-pixels in the display region; a plurality of data lines in the display region, electrically coupled to the plurality of sub-pixels respectively, and configured to provide a data signal to the plurality of sub-pixels respectively; a plurality of pads in the peripheral region, wherein at least a portion of the plurality of pads are configured to provide a data signal to the plurality of data lines respectively; at least one test data signal line in the peripheral region; at least one test control signal line in the peripheral region; and a plurality of test units in the peripheral region and on a side of the plurality of pads away from the display region.Type: GrantFiled: August 7, 2020Date of Patent: November 26, 2024Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Feng Wei, Lili Du, Hongjun Zhou, Jianchang Cai
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Publication number: 20240389409Abstract: Provided are a display panel and a display apparatus. The display panel includes a substrate, a circuit structure layer, a light emitting structure layer and multiple transparent conductive layers. The transparent conductive layer is located between the circuit structure layer and the light emitting structure layer, and includes multiple first type conductive lines and multiple second type conductive lines. The portion of the first type conductive line extending along a first direction overlaps with an orthographic projection of the shield electrode on the substrate, and the portion of the second type conductive line extending along the first direction does not overlap with an orthographic projection of the shield electrode on the substrate.Type: ApplicationFiled: July 19, 2022Publication date: November 21, 2024Inventors: Yanwei LU, Binyan WANG, Shiqi LI, Jianchang CAI, Yao HUANG
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Patent number: 12150366Abstract: The present disclosure relates to a display panel and a display device. The display panel includes a base substrate with a display area and a non-display area surrounding the display area, the display area including a first display sub-area and a second display sub-area; a plurality of first light emitting elements formed on the base substrate and located in the first display sub-area; and a plurality of first pixel circuits formed on the base substrate and located in at least one of the second display sub-area and the non-display area, where the first pixel circuits are electrically connected to the first pixel electrodes of the first light emitting elements through a conductive wire.Type: GrantFiled: October 27, 2020Date of Patent: November 19, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kaipeng Sun, Yue Long, Jianchang Cai, Weiyun Huang, Qiwei Wang, Benlian Wang
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Publication number: 20240357892Abstract: Disclosure provides a display substrate, a display panel and a display device. The display substrate includes a substrate, a drive circuit layer and a light emitting device layer sequentially on the substrate, a display region of the substrate includes first and second display regions on a side of the first display region, light transmittance of the first display region is larger than that of the second display region; the drive circuit layer includes first pixel circuits in bezel region around the display region, second pixel circuits in the second display region; the light emitting device layer includes first light emitting devices, second light emitting devices; each first light emitting device is electrically connected with each first pixel circuit; each second light emitting device is electrically connected with each second pixel circuits; a density of the first light emitting devices is same as a density of the second light emitting devices.Type: ApplicationFiled: July 3, 2024Publication date: October 24, 2024Inventors: Weiyun HUANG, Jianchang CAI, Pinchao GU, Yuanyou QIU, Yao HUANG
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Publication number: 20240357890Abstract: Disclosed are a display panel and a display device. The display panel includes: a substrate, a pixel array including a plurality of pixel units arranged on the substrate, a circuit structure including at least two first conductive patterns and at least one second conductive pattern, a light shielding portion including a first light shielding portion. Orthographic projections of the first conductive patterns on the substrate are separated from each other by a first gap. An orthographic projection of at least a part of the first gap on the substrate is within an orthographic projection of the first light shielding portion on the substrate and within an orthographic projection of the second conductive pattern on the substrate. The at least one second conductive pattern extends in a direction different from a direction in which the at least two first conductive patterns extend, so as to span the first conductive patterns.Type: ApplicationFiled: July 2, 2024Publication date: October 24, 2024Inventors: Longhui XUE, Weiyun HUANG, Wei ZHANG, Xingliang XIAO, Jianchang CAI, Yuanyou QIU, Yao HUANG
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Publication number: 20240357881Abstract: A display substrate has a primary display region and a secondary display region, and the secondary display region includes an element arrangement region and a transition region. The display substrate includes: a substrate, and a pixel circuit layer and first via holes located on the substrate. The pixel circuit layer includes an active layer and a multi-layer inorganic insulating layer disposed on a side of the active layer away from the substrate. The active layer is located at least in the primary display region and at least partially surrounds the secondary display region. The multi-layer inorganic insulating layer is located at least in the primary display region and the secondary display region. The first via holes are located at least in the transition region, and penetrate at least one layer of the multi-layer inorganic insulating layer.Type: ApplicationFiled: April 27, 2022Publication date: October 24, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Taofeng XIE, Yuanjie XU, Shuang LI, Yao HUANG, Yue LONG, Jianchang CAI, Binyan WANG, Jing ZHANG
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Publication number: 20240347004Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a plurality of pixel circuits; a first gate line; a constant voltage line; a shield electrode connected to the constant voltage line; a light-transmitting display region; an opaque display region, located on at least one side of the light-transmitting display region; a first pixel circuit, a second pixel circuit, and a first light-emitting element, located in the opaque display region, the plurality of pixel circuits includes the first pixel circuit and the second pixel circuit; a second light-emitting element, located in the light-transmitting display region; wherein the first pixel circuit is connected to the first light-emitting element, and the second pixel circuit is connected to the second light-emitting element.Type: ApplicationFiled: June 24, 2024Publication date: October 17, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao HUANG, Weiyun HUANG, Jianchang CAI
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Publication number: 20240324334Abstract: A display panel includes a base substrate, a circuit structure layer, a light emitting structure layer, and multiple conductive layers. The conductive layer is located between the circuit structure layer and the light emitting structure layer and includes multiple conductive lines. At least one second pixel drive circuit of the multiple second pixel drive circuits is electrically connected to at least one second light emitting device of the second light emitting devices through a conductive line, and the at least one second pixel drive circuit is configured to drive the at least one second light emitting device to emit light. There is an overlap between orthographic projections of the portions of conductive lines of at least two of the multiple conductive layers extending in the first direction on the base substrate.Type: ApplicationFiled: May 9, 2022Publication date: September 26, 2024Inventors: Xiaoqing SHU, Biao LIU, Jiangtao DENG, Huijuan YANG, Yi ZHANG, Tingliang LIU, Maoying LIAO, Lingtong LI, Liheng WEI, Yao HUANG, Jianchang CAI