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公开(公告)号：US20240381731A1
公开(公告)日：2024-11-14
申请号：US18270885
申请日：2022-08-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qian Jin , Yang Li , Wei Huang , Liangliang Kang
IPC: H10K59/38 , H10K59/122
Abstract: Disclosed are a display panel and a display apparatus. The display panel includes: a light-emitting base substrate comprising a plurality of light-emitting elements and configured to emit a first light; a color conversion substrate comprising a plurality of color conversion patterns, the color conversion pattern comprising a matrix material and quantum dots dispersed in the matrix material, wherein the matrix material is configured to excite a second light under irradiation of the first light, and the quantum dots are configured to emit light under irradiation of the first light and the second light. By exciting the quantum dots with the light emitted by the light-emitting elements and the light emitted by the matrix material, the luminous efficiency of the quantum dots can be improved and the power consumption can be reduced.
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公开(公告)号：US09713249B2
公开(公告)日：2017-07-18
申请号：US14235955
申请日：2013-12-12
Inventor： Liang Cheng , Yang Li , Peng Qi , Yang Huang , Xiaowei Gong , Lian Sun , Chunyang Nie , Min Wang
CPC classification number: H05K1/028 , H05K1/0296 , H05K1/117 , H05K3/323 , H05K2201/09727 , H05K2201/09781 , H05K2201/10136
Abstract: A Chip on Film (COF) flexible circuit board and a display device using the COF flexible circuit board are provided. The circuit board includes: a substrate; a plurality of conductive terminals arranged separately in parallel over the substrate, each of the plurality of conductive terminals including a wide line and a narrow line; and a anisotropic conductive adhesive region provided over the substrate. A connection site of the wide line and the narrow line is located in an overlapping area of the anisotropic conductive adhesive region and the substrate. The embodiments of the invention can reduce the probability of the circuit board being broken and the undesirable phenomena such as open circuit.
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公开(公告)号：US20240276828A1
公开(公告)日：2024-08-15
申请号：US18568357
申请日：2021-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K59/38 , H10K59/122 , H10K59/35 , H10K59/80 , H10K71/13
CPC classification number: H10K59/38 , H10K59/122 , H10K59/35 , H10K59/873 , H10K59/8792 , H10K71/135
Abstract: A display panel includes a light-emitting substrate, a first wavelength conversion layer and a second wavelength conversion layer. The light-emitting substrate includes multiple light-emitting structures corresponding to the pixels respectively, at least one light-emitting structure includes one or more first light-emitting layers emitting a first waveband light and one or more second light-emitting layers emitting a second waveband light laminated one on another, and a wavelength of the first waveband light is smaller than a wavelength of the second waveband light. The first wavelength conversion layer has multiple first wavelength conversion patterns corresponding to the light-emitting structures, the first wavelength conversion patterns are configured to perform up-conversion on the second waveband light emitted through the second light-emitting layers. The second wavelength conversion layer has multiple second wavelength conversion patterns corresponding to the light-emitting structures.
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Patent Agency Ranking
公开(公告)号：US20240268159A1
公开(公告)日：2024-08-08
申请号：US18565256
申请日：2021-06-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qian Sun , Qian Jin , Yu Tian , Yang Li , Tianhao Lu
IPC: H10K59/122 , H10K59/12 , H10K59/126 , H10K59/38
CPC classification number: H10K59/122 , H10K59/1201 , H10K59/126 , H10K59/38
Abstract: A display panel includes: a driving substrate, a pixel definition layer, multiple light-emitting elements, a first encapsulation layer, a transparent heat insulation layer, a pixel isolation structure and a color conversion layer. The pixel definition layer includes multiple first pixel partitions arranged in an array form, and multiple first pixel regions are enclosed by adjacent first pixel partitions. The transparent heat insulation layer is arranged on a side of the first encapsulation layer away from the driving substrate, an orthographic projection of the transparent heat insulation layer onto the driving substrate at least covers an orthographic projection of each first pixel region onto the driving substrate. The pixel isolation structure includes multiple second pixel partitions arranged in an array form, multiple second pixel regions are enclosed by adjacent second pixel partitions.
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公开(公告)号：US11037508B1
公开(公告)日：2021-06-15
申请号：US16857369
申请日：2020-04-24
Inventor： Yang Li , Yunzhi Wang , Yun Luo , Xiaoming Feng , Minyang Deng
IPC: G09G3/3283
Abstract: The present disclosure provides a pixel driving circuit, a display panel and methods for driving the same. The pixel driving circuit includes: at least two driving sub-circuits, each configured to generate driving current based on a compensated data signal; at least two light-emitting control sub-circuits coupled to the at least two driving sub-circuits respectively, each of the at least two light-emitting control sub-circuits is configured to output driving current generated by one of the at least two driving sub-circuit coupled thereto; a writing control sub-circuit electrically coupled to the at least two driving sub-circuits and a data writing sub-circuit; and the data writing sub-circuit configured to compensate for a data signal and write the compensated data signal into the at least two driving sub-circuits sequentially under control of the writing control sub-circuit.
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公开(公告)号：US20210166636A1
公开(公告)日：2021-06-03
申请号：US16857369
申请日：2020-04-24
Inventor： Yang Li , Yunzhi Wang , Yun Luo , Xiaoming Feng , Minyang Deng
IPC: G09G3/3283
Abstract: The present disclosure provides a pixel driving circuit, a display panel and methods for driving the same. The pixel driving circuit includes: at least two driving sub-circuits, each configured to generate driving current based on a compensated data signal; at least two light-emitting control sub-circuits coupled to the at least two driving sub-circuits respectively, each of the at least two light-emitting control sub-circuits is configured to output driving current generated by one of the at least two driving sub-circuit coupled thereto; a writing control sub-circuit electrically coupled to the at least two driving sub-circuits and a data writing sub-circuit; and the data writing sub-circuit configured to compensate for a data signal and write the compensated data signal into the at least two driving sub-circuits sequentially under control of the writing control sub-circuit.
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17.发明授权公开(公告)号：US10591780B2
公开(公告)日：2020-03-17
申请号：US15534156
申请日：2016-12-12
Inventor： Yang Li , Hua Liu , Bin Feng , Peng Sun , Huzhao Shi
IPC: G02F1/1362 , G02F1/1339
Abstract: A display panel is provided. The display panel includes a conductive layer having a plurality of protrusions alternating with a plurality of indentations along a side proximal to the interface between the display area and the peripheral area. The plurality of protrusions protrudes in a direction from the peripheral area to the display area. The plurality of indentations indented in a direction from the display area to the peripheral area. Adjacent protrusions spaced apart by an indentation. The display panel further includes a plurality of common electrode signal lines. Each of the plurality of common electrode signal lines extends from an apex of each of the plurality of protrusions into the display area for providing a common voltage. A plurality of openings in the first barrier and the second barrier are substantially aligned with the plurality of indentations.
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公开(公告)号：US20180196296A1
公开(公告)日：2018-07-12
申请号：US15534156
申请日：2016-12-12
Inventor： Yang Li , Hua Liu , Bin Feng , Peng Sun , Huzhao Shi
IPC: G02F1/1339 , G02F1/1362
Abstract: The present application discloses a display substrate having a display area and a peripheral area. The display substrate includes a base substrate, and a barrier layer on the base substrate in the peripheral area including a barrier having a first side proximal to an interface between the display area and the peripheral area and a second side distal to the interface between the display area and the peripheral area; the first side having a first undulating shape; the second side having a second undulating shape. The barrier includes a plurality of barrier segments, two adjacent barrier segments are spaced apart from each other forming an opening between the two adjacent barrier segments of the barrier. At least one of the plurality of barrier segments has a bend protruding towards the interface between the display area and the peripheral area, thereby forming a convex surface on the first side and a concave surface on the second side.
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