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公开(公告)号：US20240363798A1
公开(公告)日：2024-10-31
申请号：US18028791
申请日：2022-04-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jingjing ZHANG , Can ZHANG , Can WANG , Wei LI , Jinfei NIU , Ning CONG
CPC classification number: H01L33/20 , H01L33/382 , H01L33/505 , H01L33/62 , H01L2933/0016 , H01L2933/0041
Abstract: A light-emitting diode chip includes: epitaxial structures on one side of substrate, a gap existing between any two adjacent epitaxial structures, first semiconductor patterns of epitaxial structures coupled to form first semiconductor layer; first light-blocking layer on a side of the first semiconductor layer away from substrate, first light-blocking layer having accommodating holes in one-to-one correspondence with epitaxial structures, the light-emitting patterns and the second semiconductor patterns of epitaxial structures being in accommodating holes; second light-blocking layer on a side of first light-blocking layer away from substrate, second light-blocking layer having pixel openings in one-to-one correspondence with accommodating holes; orthographic projections of pixel opening and corresponding accommodating hole on substrate overlap with each other; light processing pattern is in at least one pixel opening; light processing pattern includes color conversion pattern configured to convert light of preset color emitted by light-emitting pattern into light of other color.
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公开(公告)号：US20240296782A1
公开(公告)日：2024-09-05
申请号：US18027494
申请日：2022-06-22
Inventor： Ning CONG , Minghua XUAN , Can ZHANG , Can WANG , Jinfei NIU , Jingjing ZHANG , SeungWoo HAN
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0842 , G09G2300/0861 , G09G2310/08
Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method therefor and a display apparatus. The pixel circuit includes: an input circuit, configured to input data signals loaded to a first data signal terminal into corresponding input nodes in response to signals loaded to 2N−1 first scanning signal terminals; a control circuit, configured to control signals of 2N control nodes respectively in response to signals of at least two input nodes in the 2N−1 input nodes; an output circuit, configured to provide a signal of an men selection control signal terminal in 2N selection control signal terminals to an output node in response to a signal of an mth control node in the 2N control nodes; and a light-emitting drive circuit, configured to drive a to-be-driven device to work in response to a signal of the output node.
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公开(公告)号：US20230141443A1
公开(公告)日：2023-05-11
申请号：US17772595
申请日：2021-05-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Wei Li , Yichi ZHANG , Can ZHANG , Can WANG , Lijun YUAN , Ning CONG , Jinfei NIU , Jingjing ZHANG , Minghua XUAN
IPC: H10K59/38 , H10K59/122 , H10K59/12
CPC classification number: H10K59/38 , H10K59/122 , H10K59/1201
Abstract: The present disclosure provides a display panel, having a light emitting layer, a transparent spacing layer on the light emitting layer, and a wavelength converting layer on the transparent spacing layer, wherein according to the luminance change ratios of the wavelength converting units of adjacent pixels and the light path property of the transparent spacing layer, the cross color issue in wavelength-conversion type display panels is at least partially solved by controlling the intensity proportions of the light arriving at the wavelength converting units of adjacent sub-pixels within a certain range.
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公开(公告)号：US20220301492A1
公开(公告)日：2022-09-22
申请号：US17531274
申请日：2021-11-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lijun YUAN , Can ZHANG , Ning CONG , Wei LI , Can WANG , Jinfei NIU , Jingjing ZHANG , Minghua XUAN
IPC: G09G3/32
Abstract: The pixel driving circuit includes a current control circuit and a gating circuit. The current control circuit is configured to transmit a driving current signal to an element to be driven. The gating circuit is configured to transmit a second voltage signal from a second voltage signal terminal to the element to be driven such that the element to be driven continuously emits light or transmit a third voltage signal from a third voltage signal terminal to the element to be driven such that the element to be driven intermittently emits light, under the control of a scan signal from a scan signal terminal, a reset signal from a reset signal terminal and a second data signal from a second data signal terminal.
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公开(公告)号：US20250061846A1
公开(公告)日：2025-02-20
申请号：US18938338
申请日：2024-11-06
Inventor： Ning CONG , Can ZHANG , Minghua XUAN , Jinfei NIU , Can WANG , Jingjing ZHANG , Jiakui YAN
IPC: G09G3/32
Abstract: A pixel circuit includes a driving circuit, a control circuit and a gating circuit. The driving circuit is configured to control, under control of a scan signal and a signal received at an enable signal control terminal, on and off of a current path for transmitting a driving current signal. The control circuit is configured to transmit, under control of a control signal received at a control signal terminal, a first enable signal received at a first enable signal terminal or a second enable signal received at a second enable signal terminal to a first node. The gating circuit is configured to transmit, in response to an enable signal received at the first node, a first constant voltage signal received at the first constant voltage signal terminal or a second constant voltage signal received at the second constant voltage signal terminal to the enable signal control terminal.
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Patent Agency Ranking
公开(公告)号：US20250040327A1
公开(公告)日：2025-01-30
申请号：US18277021
申请日：2022-07-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jingjing ZHANG , Can WANG , Xiaochuan CHEN , Minghua XUAN , Can ZHANG , Ning CONG , Jinfei NIU
IPC: H01L27/15
Abstract: Embodiments of the present application provide a display panel, a display device, and a method for manufacturing the display panel. The display panel includes a substrate, a light emitter, a first electrode and a light collimating unit. The light emitter is on a side of the substrate. The first electrode is on a side of the light emitter away from the substrate. The light collimator is on a side of the first electrode away from the substrate, and the light collimator includes at least one microstructure, in a direction away from the substrate, a cross-sectional area of each of the at least one microstructure decreases.
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公开(公告)号：US20250014514A1
公开(公告)日：2025-01-09
申请号：US18263043
申请日：2022-07-21
Inventor： Ning CONG , Li XIAO , Haoliang ZHENG , Can ZHANG , Minghua XUAN , Xiaochuan CHEN , Can WANG , Jinfei NIU , Jingjing ZHANG
IPC: G09G3/3233 , G09G3/32
Abstract: A pixel driving circuit includes a driving sub-circuit and a control sub-circuit. The driving sub-circuit is coupled to a data signal terminal, a scan signal terminal, a first power supply voltage terminal, an enable signal control terminal and an element to be driven, and the driving sub-circuit is configured to, in response to an enable signal, transmit a generated driving signal to the element to be driven, and control a current path transmitting the driving signal to be turned on and off. The control sub-circuit is coupled to the enable signal control terminal, and the control sub-circuit is configured to, in response to a signal received at the control signal terminal, transmit a signal 10 received at a first enable signal terminal or a signal received at a second enable signal terminal to the enable signal control terminal.
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公开(公告)号：US20250014502A1
公开(公告)日：2025-01-09
申请号：US18262893
申请日：2022-07-29
Inventor： Ning CONG , Minghua XUAN , Can ZHANG , Can WANG , Jinfei NIU , Jingjing ZHANG
IPC: G09G3/32
Abstract: A pixel circuit includes a light emitting circuit, a light emitting control circuit, a first control circuit and a switch control circuit; the light emitting control circuit controls to connect the control voltage input terminal and the light emitting circuit under the control of a light emitting control signal provided by the light emitting control terminal; the light emitting circuit emits light according to a control voltage provided by the control voltage input terminal; the first control circuit controls a switch control signal under the control of a scanning signal according to a data voltage; N is an integer greater than 1; the switch control circuit includes N switch control terminals, N light emitting control voltage terminals and N switch control sub-circuits; n is a positive integer less than or equal to N.
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19.发明公开公开(公告)号：US20240274069A1
公开(公告)日：2024-08-15
申请号：US18642994
申请日：2024-04-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Can WANG , Yan QU , Can ZHANG , Minghua XUAN , Xiaochuan CHEN , Ning CONG , Jinfei NIU , Jingjing ZHANG
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0842 , G09G2310/027
Abstract: A pixel driving circuit including a driving circuit, a first light emission control circuit and a first digital circuit. The driving circuit is connected to a first power source end, a first node and the light-emitting unit, and is used for providing, according to the voltage of the first node, a driving current for the light-emitting unit by using the first power source end; the first light emission control circuit is connected to a first digital signal end; and the first digital circuit comprises a first signal conversion circuit, and the first signal conversion circuit is connected to a first analog signal end and the first digital signal end and is used for inputting the first digital signal into the first digital signal end according to a first analog signal of the first analog signal end.
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公开(公告)号：US20240164022A1
公开(公告)日：2024-05-16
申请号：US17915707
申请日：2021-11-01
Inventor： Jing WANG , Mingming JIA , Lili WANG , Sha FENG , Chao LIU , Ming ZHAI , Haiwei SUN , Lingyun SHI , Liqiang WANG , Jingjing ZHANG
IPC: H05K1/18 , H01L23/00 , H01L25/075 , H05K1/11
CPC classification number: H05K1/189 , H01L24/05 , H01L24/06 , H01L24/32 , H01L24/83 , H05K1/118 , H01L25/0753 , H01L2224/05573 , H01L2224/06155 , H01L2224/32225 , H01L2224/8313 , H01L2224/83201 , H05K2201/056 , H05K2201/10128
Abstract: A display module includes a display panel with a plurality of bonding electrodes arranged at intervals along a selected side edge of a non-display surface and divided into two bonding electrode groups, a first flexible circuit board and a second flexible circuit board. For the first flexible circuit board, each first conductive contact piece in a first wiring region is connected to a bonding electrode in a first bonding electrode group. For the second flexible circuit board, each second conductive contact piece in a second wiring region is connected to a bonding electrode in a second bonding electrode group. The first wiring region is closer to the selected side edge than the second wiring region in a first direction. The first fan-out region is spaced apart from the second wiring region in a second direction perpendicular to the first direction.
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