Patents by Inventor Xiaohu Li
Xiaohu Li 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: 20260349243Abstract: A scanning device and a scanning display module are provided. Through a structural design of an actuator, first-order and second-order bending mode natural frequencies of the actuator of the scanning device in a vibration direction satisfy a set condition. When an optical fiber is fixed to the actuator, a ratio of a resonance frequency of the optical fiber in the vibration direction to the bending mode frequency of the actuator in the vibration direction is within a first numerical range. An interval between a natural frequency of the optical fiber and the first-order bending mode natural frequency of the actuator in the vibration direction is within a second numerical range.Type: ApplicationFiled: July 13, 2026Publication date: November 5, 2026Inventors: Xiaohu LI, Changcheng YAO, Haitao SONG
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Publication number: 20260334009Abstract: A display panel and manufacturing method thereof, display device, the display panel has a pixel region including sub-pixel regions and a pixel spacing region between adjacent sub-pixel regions, and including: sub-pixels on a base substrate, each sub-pixel includes a light-emitting device and a sub-pixel circuit configured to drive the light-emitting device to emit light, each light-emitting device includes a first electrode, a charge generation layer and a second electrode; a pixel definition structure, disposed on the base substrate and having sub-pixel openings to define light-emitting regions; and an isolation structure, located in at least one of the pixel region and the pixel spacing region, and including a portion with a first isolation height and a portion with a second isolation height, wherein the second isolation height is larger than the first isolation height, and charge generation layers of adjacent sub-pixels are disconnected from each other by the isolation structure.Type: ApplicationFiled: October 31, 2023Publication date: October 22, 2026Inventors: Liuqing LI, Xiaohu LI, Wenqi LIU, Xiaoyun LIU, Holgli WANG, Xu LIU, Tong WU, Xinhong LU, Xinhong LU, Zhanfeng CAO
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Patent number: 12772391Abstract: The present application provides an insulation structure and an electronic device, where the insulation structure includes a first substrate, a first conductive body, and a first groove, the first substrate includes a first surface and a second surface oppositely disposed; the first conductive body is disposed on the first surface or second surface; the first groove is located on a same surface as the first conductive body and adjacent to the first conductive body; a surface of the first groove is provided with a first conductive layer, and the first conductive layer is electrically connected with the first conductive body. The insulation structure of the present application slows down the trend of potential line changes at the end of the first conductive body, reduces the electric field strength here, and improves the reliability of insulation.Type: GrantFiled: April 3, 2024Date of Patent: October 20, 2026Assignee: Delta Electronics (Shanghai) Co., Ltd.Inventors: Jianxing Dong, Lei Chen, Teng Liu, Xiaohu Li
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Patent number: 12751155Abstract: A display panel mainly comprises a substrate, a driving layer, a plurality of first electrodes, a light-emitting functional layer and a second electrode, wherein the substrate has a first pixel region and a second pixel region; the driving layer is arranged on one side of the substrate, and an orthographic projection thereof on the substrate covers the first pixel region and the second pixel region, and the driving layer located in the first pixel region is provided with recessed regions; the plurality of first electrodes are distributed in an array on the side of the driving layer that faces away from the substrate, both the first pixel region and the second pixel region are provided with the first electrodes, and the first electrodes and the recessed regions are distributed at intervals; the light-emitting functional layer covers the first electrodes; and the second electrode covers the light-emitting functional layer.Type: GrantFiled: November 18, 2021Date of Patent: September 29, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Huajie Yan, Zhiqiang Jiao, Lu Wang, Chuanxiang Xu
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Publication number: 20260271587Abstract: The present disclosure relates to the field of display technology and discloses a display panel, a manufacturing method thereof, and a display device. The display panel includes a display substrate, an encapsulation layer group, and a first light enhancement layer. The display substrate includes a plurality of sub-pixels. The encapsulation layer group is provided on a light-emitting side of the display substrate, and the encapsulation layer group includes at least two stacked organic film layers. The first light enhancement layer is provided on a side of the encapsulation layer group away from the display substrate. The first light enhancement layer includes a plurality of protruding portions, and orthographic projections of the protruding portions on the display substrate at least partially overlap with the sub-pixels.Type: ApplicationFiled: August 29, 2024Publication date: September 10, 2026Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaohu LI, Hongli WANG, Xu LIU, Tong WU, Che AN, Wenqi LIU, Qian JIN, Tianhao LU, Zhiqiang JIAO, Guangcai YUAN
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Publication number: 20260262358Abstract: A chip structure includes a first substrate, a light emitting unit, and a color conversion unit. The light-shielding layer in the color conversion unit may include a body portion, and an extension portion surrounding the body portion. After light emitted from each sub-light-emitting functional layer in the light-emitting unit is emitted to the second semiconductor layer, and light is generated inside the second semiconductor layer by an optical waveguide phenomenon, the light emitted from the edge of the second semiconductor layer can be absorbed by the extension in the light-shielding layer.Type: ApplicationFiled: September 25, 2023Publication date: September 3, 2026Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaohu LI, Yichi ZHANG, Wei LI, Mingxing WANG, Zhiqiang JIAO, Guangcai YUAN, Xue DONG
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Patent number: 12727345Abstract: The disclosure provides a display panel, a manufacturing method thereof and a display device, relating to a field of display technology. The display panel includes a base substrate, a driving layer and a light-emitting layer. The light-emitting units formed by the light-emitting layer includes a first electrode layer, a first insulating layer, a control electrode layer, a second insulating layer, an active layer, a second electrode layer, and an organic light-emitting layer sequentially distributed. In the embodiments of the present disclosure, the second insulating layer is configured to separate the control electrode layer from the organic light-emitting layer and the active layer.Type: GrantFiled: February 25, 2022Date of Patent: September 1, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Lu Wang, Zhiqiang Jiao, Guangcai Yuan, Peng Wang, Liangliang Kang
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Patent number: 12677549Abstract: An organic light-emitting display panel and a preparation method therefor, and a display apparatus. The organic light-emitting display panel comprises: a substrate; a plurality of organic light-emitting diodes, wherein the plurality of organic light-emitting diodes are located on the substrate, and each of the organic light-emitting diodes is provided with a first electrode, a second electrode, and a light-emitting layer and a hole injection layer which are located between the first electrode and the second electrode; and anti-crosstalk isolation electrodes, wherein each of the anti-crosstalk isolation electrodes is located at a gap between two adjacent organic light-emitting diodes, the anti-crosstalk isolation electrodes are configured to connect to a fixed voltage, and a voltage difference between each anti-crosstalk isolation electrode and each second electrode is less than a voltage difference between each first electrode and each second electrode.Type: GrantFiled: June 11, 2021Date of Patent: July 7, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Lu Wang, Zhiqiang Jiao
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Patent number: 12677526Abstract: A light emitting device, a display substrate and a display device, relate to the technical field of displaying. The light emitting device including: a plurality of luminescent layers, wherein each of the plurality of luminescent layers includes at least one subject sublayer and at least one object sublayer, and the at least one subject sublayer and the at least one object sublayer are disposed alternately; wherein thicknesses of at least a part of subject sublayers are greater than or equal to a thickness of the object sublayer. The concentration quenching phenomenon of the luminescent layer in the light emitting device is improved, the luminous efficiency is improved, and the service life of the device is extended.Type: GrantFiled: November 24, 2022Date of Patent: July 7, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaoyun Liu, Liangliang Kang, Xiaohu Li
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Patent number: 12666827Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a substrate; a plurality of display units arranged on a side of the substrate, each of the plurality of display units including at least one sub-pixel; a plurality of elastic stretching units arranged on a side of the substrate, each of the plurality of elastic stretching units being connected between two adjacent display units, and a plurality of hollow regions being formed between the plurality of elastic stretching units and the plurality of display units. A sum of areas of the plurality of hollow regions is a, a sum of areas of the plurality of display units is b, and a sum of areas of the plurality of elastic stretching units is c; 15%?a/(a+b+c)×100%?30%.Type: GrantFiled: January 30, 2022Date of Patent: June 23, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jinxiang Xue, Zhongyuan Sun, Wenqi Liu, Jingkai Ni, Che An, Guangcai Yuan, Lu Wang, Fang Liu, Xiaohu Li, Liangliang Kang, Zhiqiang Jiao, Peng Wang
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Display substrate and display device having an isolation groove provided between adjacent electrodes
Patent number: 12575285Abstract: A display substrate and a display device. The display substrate comprises a base substrate and at least two first electrodes provided on one side of the base substrate and spaced apart; a pixel film layer is provided on the sides of the first electrodes away from the base substrate; a spacing area is formed between the adjacent first electrodes; an isolation recess is formed on the side of the spacing area away from the base substrate; the isolation recess electrically cuts off the pixel film layer on the adjacent first electrodes.Type: GrantFiled: June 4, 2021Date of Patent: March 10, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaoyun Liu, Liangliang Kang, Xiaohu Li, Juan Zhang, Qingyu Huang, Huajie Yan, Zhiqiang Jiao, Jiaqi Wei -
Patent number: 12543438Abstract: The present disclosure relates to a display device, a display panel and a manufacturing method thereof. The display panel includes a driving backplane and a light emitting device layer, and the driving backplane includes multiple pixel driving circuits, the light emitting device layer includes multiple light emitting units distributed in an array, the light emitting unit includes multiple light emitting devices stacked in a direction away from the driving backplane, and light emitting devices other than a light emitting device closest to the driving backplane in a direction perpendicular to the driving backplane are transparent devices; and in the same light emitting unit, at least part of the light emitting devices are coupled to the pixel driving circuits for emitting light under driving of the pixel driving circuits, and at least two light emitting devices in the same light emitting unit have different light emitting materials.Type: GrantFiled: March 24, 2021Date of Patent: February 3, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Huajie Yan, Xiaohu Li, Zhiqiang Jiao, Lu Wang
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Patent number: 12543445Abstract: A display substrate is provided, the display substrate has a plurality of sub-pixels, and includes a driving circuit substrate, a plurality of first electrodes, a pixel definition layer and a light-emitting material layer. The driving circuit substrate includes a plurality of pixel driving circuits and a protective insulating layer, the protective insulating layer includes a plurality of first vias, and the plurality of first electrodes are respectively electrically connected to output terminals of the plurality of pixel driving circuits through the first vias. The pixel definition layer includes a plurality of sub-pixel openings and at least one partition structure. The light-emitting material layer is at least in the plurality of sub-pixel openings, the pixel definition layer includes a first pixel definition sub-layer and a second pixel definition sub-layer, and a width of the second pixel definition sub-layer is greater than a width of the first pixel defining sub-layer.Type: GrantFiled: November 29, 2021Date of Patent: February 3, 2026Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Lei Zhao, Zhiqiang Jiao, Xiaohu Li, Xiaoyun Liu, Shuilang Dong, Guangcai Yuan, Lilei Zhang
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Publication number: 20260033133Abstract: A light-emitting transistor is disposed on a base substrate and includes a gate layer, a first insulating layer, a source layer, a barrier layer, a light-emitting functional layer, and a drain layer arranged in sequence along a direction away from the base substrate. The source layer includes a first wire grid structure, the first wire grid structure includes a plurality of first conductive strips arranged at intervals, and the plurality of first conductive strips are parallel to each other. The barrier layer covers surfaces of the plurality of first conductive strips, and a surface of the barrier layer away from the base substrate is parallel to the base substrate.Type: ApplicationFiled: February 28, 2024Publication date: January 29, 2026Inventors: Xiaohu Li, Jinglu Bai, Zhiqiang Jiao, Liangliang Kang, Guangcai Yuan
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Patent number: 12538643Abstract: A light emitting device includes: a first electrode layer, a first dielectric layer, a first luminescent layer, a second luminescent layer, a second dielectric layer and a second electrode layer that are arranged sequentially in stack; a source electrode and a drain electrode, wherein the source electrode and the drain electrode are arranged in a same layer, and are both located between the first luminescent layer and the second luminescent layer; and an insulating layer provided in the same layer as the source electrode and the drain electrode, and located between the source electrode and the drain electrode. By controlling the two electrode layers separately, the two luminescent layers may separately and independently emit light. By providing different materials of the luminescent layers, the effect of light emission of multiple mixed colors or the effect of an increased light intensity may be realized.Type: GrantFiled: September 21, 2022Date of Patent: January 27, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peng Wang, Xiaohu Li, Juan Zhang, Zhiqiang Jiao
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Publication number: 20260026197Abstract: A display substrate and a display screen are provided. A trapezoidal reflection structure is arranged on a TFE layer, a low-refractive-index reflection layer is arranged on the trapezoidal reflection structure, a high-refractive-index reflection layer is arranged on the low-refractive-index reflection layer, and a cover plate is attached. In a case that light is reflected by the high-refractive-index reflection layer toward the low-refractive-index reflection layer, due to a difference between refractive indices, a part of the light is totally reflected after an incident angle is greater than a critical angle. The low-refractive-index reflection layer serves as a condensing lens to change large-angle transverse light into active forward light, so as to improve the light transmittance of the display substrate, and increase the brightness at a front viewing angle.Type: ApplicationFiled: May 17, 2024Publication date: January 22, 2026Applicants: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenqi Liu, Yutong Yan, Xiaohu Li, Zhongyuan Sun, Mengna Sun, Zhiqiang Jiao, Hongli Wang, Xu Liu, Tong Wu
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Patent number: 12532620Abstract: A display panel includes a plurality of driving base plates stacked, each of the driving base plates includes a substrate and a driving unit located on the substrate, orientations of the driving base plates are the same; a plurality of pixel units arranged in an array, each of the pixel units includes a plurality of sub-pixels, and orthographic projections on the substrate of light emitting regions of the sub-pixels in the same pixel unit do not overlap with each other; and each of the driving base plates is provided with at least one sub-pixel on one side away from the substrate, and the driving unit on each of the driving base plates is electrically connected to the at least one sub-pixel; and a quantity of the driving base plates is less than or equal to a quantity of the sub-pixels in one of the pixel units.Type: GrantFiled: February 25, 2022Date of Patent: January 20, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Weijie Wang, Liangliang Kang, Zhiqiang Jiao, Lu Wang
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Patent number: 12514095Abstract: A display substrate includes a first display region disposed on a substrate, wherein the first display region includes a plurality of light-emitting regions arranged in an array and a plurality of light-transmitting regions arranged in an array. The plurality of light-emitting regions and the plurality of light-transmitting regions are arranged alternately. Each of the light-emitting regions includes: a conductive layer disposed in the light-emitting region; and a cathode block disposed on the conductive layer. The first display region further includes connection portions that are disposed in the light-transmitting regions and located in a same layer and made of a same material as the conductive layers, and respectively configured to electrically connect cathode blocks of two adjacent light-emitting regions. Further provided is a manufacturing method of a display substrate.Type: GrantFiled: February 7, 2021Date of Patent: December 30, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Chengyuan Luo, Xiaolei Zhang, Xiaohu Li
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Publication number: 20250393345Abstract: Provided is a light-emitting chip. The light-emitting unit includes a plurality of light-emitting parts; the light-emitting unit further includes a second semiconductor layer, wherein the second semiconductor layer is disposed on light-emitting sides of the plurality of light-emitting parts; wherein a surface of the second semiconductor layer facing away from the color converting unit is a second surface, and the second semiconductor layer includes a first groove that opens in the second surface; and the light-emitting chip further includes a filling part disposed in the first groove, wherein the filling part is made of an opaque material.Type: ApplicationFiled: May 20, 2024Publication date: December 25, 2025Applicants: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiang LI, Mingxing WANG, Qian WANG, Che AN, Qian JIN, Xiaohu LI, Yu TIAN, Xue DONG, Yingtao WANG, Xinxing WANG
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Patent number: 12484388Abstract: Proposed are a display substrate, a manufacturing method thereof and a display device. The display substrate includes a base and multiple pixel units disposed on the base, wherein, at least one pixel unit of the multiple pixel units includes multiple sub-pixels with different colors, and at least one sub-pixel of the multiple sub-pixels includes multiple sub-pixel components with the same color; anodes of the sub-pixel components are electrically connected with driving circuits, and the driving circuits are independent of each other, and in a plane perpendicular to the display substrate, a side of the anode of the sub-pixel component away from the base at least includes a partial surface, and a normal of the partial surface is not perpendicular to the base.Type: GrantFiled: May 26, 2021Date of Patent: November 25, 2025Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Huajie Yan, Xiaohu Li, Renquan Gu, Qingyu Huang