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公开(公告)号：US20250078726A1
公开(公告)日：2025-03-06
申请号：US18022173
申请日：2022-06-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Can ZHANG , Ning CONG , Can WANG , Jinfei NIU , Jingjing ZHANG , Minghua XUAN , Xiaochuan CHEN
IPC: G09G3/32
Abstract: A pixel circuit, a driving method thereof, a display substrate and a display device are disclosed. The pixel circuit includes a driving circuit and a light-emitting element, the driving circuit is configured to provide a driving current and control a conducting duration of a current pathway between the first power supply terminal and the second power supply terminal; the light-emitting element is configured to receive the driving current in the current pathway and emit light; the driving circuit includes a current control sub-circuit and a duration control sub-circuit; the current control sub-circuit is configured to provide a driving current to the first node under the control of the first scanning signal terminal, the first data signal terminal and the first power supply terminal in a display stage and a non-display stage.
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公开(公告)号：US20240421275A1
公开(公告)日：2024-12-19
申请号：US18701618
申请日：2023-04-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can WANG , Yan QU , Minghua XUAN , Mingxing WANG , Xuan LIANG , Fei WANG , Xue DONG , Qi QI , Mingkun YANG
Abstract: A display substrate includes a driving backplane, and a light-emitting device layer located on a side of the driving backplane. The light-emitting device layer includes a plurality of light-emitting units; a plurality of transparent electrodes which are located on surfaces of the plurality of light-emitting units away from the driving backplane and electrically connected to the light-emitting units; and a first bonding pattern which is at least located between the plurality of transparent electrodes. The first bonding pattern is electrically connected to at least one transparent electrode.
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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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Patent Agency Ranking
公开(公告)号：US20220398965A1
公开(公告)日：2022-12-15
申请号：US17613985
申请日：2020-12-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lijun Yuan , Can ZHANG , Ning CONG , Can WANG , Jinfei NIU , Minghua XUAN
IPC: G09G3/20 , G09G3/3233
Abstract: A display panel includes: a plurality of light emitting signal lines. Under a control of switching signals provided from a plurality of switching signal lines and control signals provided from a plurality of control signal lines, working gray scale level signals corresponding to respective display gray scales are written to corresponding sub-pixels in an order from small to large in working gray scale sequentially by a plurality of times in one frame display time through the plurality of light emitting signal lines. Different working gray scale level signals indicate have different durations, and each of the working gray scale level signals is provided to the organic light emitting diode via the second transistor through a light emitting signal line, and a final display gray scale is a gray scale caused by superimposing different working gray scale level signals.
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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：US20210359041A1
公开(公告)日：2021-11-18
申请号：US16339614
申请日：2018-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a pixel defining layer, and a first electrode layer between the base substrate and the pixel defining layer. The pixel defining layer defines a plurality of sub-pixels on the base substrate, the first electrode layer comprises a plurality of first electrodes, and the plurality of first electrodes being separated from each other by gaps, and an orthographic projection of the pixel defining layer on the base substrate covers an orthographic projection of the gap on the base substrate.
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19.发明申请公开(公告)号：US20210065615A1
公开(公告)日：2021-03-04
申请号：US16825046
申请日：2020-03-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Han YUE , Minghua XUAN , Can ZHANG , Can WANG , Dongni LIU , Xiaochuan CHEN
IPC: G09G3/32
Abstract: A shift register circuit and a method for driving the same, a gate driving circuit and a display device are provided. The shift register circuit includes an input terminal, a first control signal terminal, a second control signal terminal, and an output terminal, and further includes: an input module configured to receive an input signal input by the input terminal under the control of a first control signal input by the first control signal terminal and a second control signal input by the second control signal terminal; a storage module configured to store the input signal; a transmission module configured to transmit the input signal stored by the storage module to a preset node; and an output module configured to output a high level signal or a low level signal through the output terminal under the control of the input signal at the preset node.
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20.发明申请公开(公告)号：US20180224695A1
公开(公告)日：2018-08-09
申请号：US15569415
申请日：2017-04-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Can ZHANG , Yafeng YANG , Jian GAO , Can WANG , Xinli MA , Wei WANG , Jifeng TAN
IPC: G02F1/1335 , G02B27/09 , G02B3/00
CPC classification number: G02F1/133526 , G02B3/0006 , G02B3/0037 , G02B3/0062 , G02B3/14 , G02B27/00 , G02B27/0955 , G02B27/123 , G02F1/1335 , G02F1/133528
Abstract: A virtual curved surface display panel, a method of manufacturing the same, and a display device are provided. A set of vertical lenticular lens and horizontal lenticular lens fitted tightly and orthogonally is arranged on a light exit surface of a pixel in the flat display panel, which forms an equivalent spherical lens. The focal lengths of the equivalent spherical lenses are symmetrically distributed with a central pixel as a symmetry axis, and focal lengths of the equivalent spherical lenses in the columns located on the same side of the symmetry axis are not equal to each other. Therefore, the equivalent spherical lenses enable the images of the pixels to form a curved surface, thereby realizing virtual curved surface display.
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