Patents by Inventor Donghua Zhang
Donghua Zhang 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: 20250244626Abstract: The present disclosure provides a display panel. The display panel includes a base substrate, a first conductive layer and an active layer that are stacked in sequence. The first conductive layer includes a plurality of gate signal lines. The gate signal line includes a body part and a plurality of additional parts. An orthographic projection of the body part on the base substrate extends along a first direction. The plurality of additional parts are distributed at intervals in the first direction and coupled to a side of the body part in a second direction. The additional part is used to form a gate of a driving transistor. The active layer includes a plurality of active structures disposed corresponding to the plurality of additional parts. Orthographic projections of the plurality of active structures on the base substrate are separated from each other.Type: ApplicationFiled: April 18, 2025Publication date: July 31, 2025Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Peipei WANG, Ruomei BIAN, Yong ZHANG, Jian WANG, Yao BI, Honggui JIN, Zhilong DUAN, Yang LIU, Jiulei ZHOU, Donghua ZHANG, Yue YANG
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Patent number: 12313947Abstract: The present disclosure provides a display panel. The display panel includes a base substrate, a first conductive layer and an active layer that are stacked in sequence. The first conductive layer includes a plurality of gate signal lines. The gate signal line includes a body part and a plurality of additional parts. An orthographic projection of the body part on the base substrate extends along a first direction. The plurality of additional parts are distributed at intervals in the first direction and coupled to a side of the body part in a second direction. The additional part is used to form a gate of a driving transistor. The active layer includes a plurality of active structures disposed corresponding to the plurality of additional parts. Orthographic projections of the plurality of active structures on the base substrate are separated from each other.Type: GrantFiled: October 28, 2022Date of Patent: May 27, 2025Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peipei Wang, Ruomei Bian, Yong Zhang, Jian Wang, Yao Bi, Honggui Jin, Zhilong Duan, Yang Liu, Jiulei Zhou, Donghua Zhang, Yue Yang
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Publication number: 20250138375Abstract: Provided is a display panel. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; wherein the first substrate comprises a first base substrate, a plurality of first signal lines and a plurality of second signal lines disposed on a side, close to the second substrate, of the first substrate; and the second substrate comprises a second base substrate, and a shielding layer disposed on a side, close to the first substrate, of the second base substrate.Type: ApplicationFiled: February 9, 2023Publication date: May 1, 2025Inventors: Ning LI, Ce WANG, Hongsheng BI, Xuan ZHONG, Bangjun SONG, Kangdi ZHOU, Jin GAO, Xueyong ZHAI, Donghua ZHANG, Ziqi SUN, Zhikai WU, Jiulei ZHOU, Yao BI
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Publication number: 20250093720Abstract: The present disclosure provides a display panel. The display panel includes a base substrate, a first conductive layer and an active layer that are stacked in sequence. The first conductive layer includes a plurality of gate signal lines. The gate signal line includes a body part and a plurality of additional parts. An orthographic projection of the body part on the base substrate extends along a first direction. The plurality of additional parts are distributed at intervals in the first direction and coupled to a side of the body part in a second direction. The additional part is used to form a gate of a driving transistor. The active layer includes a plurality of active structures disposed corresponding to the plurality of additional parts. Orthographic projections of the plurality of active structures on the base substrate are separated from each other.Type: ApplicationFiled: October 28, 2022Publication date: March 20, 2025Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Peipei WANG, Ruomei BIAN, Yong ZHANG, Jian WANG, Yao BI, Honggui JIN, Zhilong DUAN, Yang LIU, Jiulei ZHOU, Donghua ZHANG, Yue YANG
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Patent number: 12222606Abstract: An embodiment of the present disclosure provides a dimming glass, including: a glass substrate; and at least two dye liquid crystal cells on the glass substrate. The dye liquid crystal cells are mutually stacked and bonded with each other via an adhesive layer. The dye liquid crystal cell includes a central region and a peripheral region surrounding a periphery of the central region. The dye liquid crystal cell includes a cell gap adjusting structure in at least the peripheral region, which is configured to adjust a cell gap of the dye liquid crystal cell to be consistent. An embodiment of the present disclosure further provides a transportation device, including the dimming glass described above and used as a window glass of the transportation device.Type: GrantFiled: October 26, 2021Date of Patent: February 11, 2025Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTDInventors: Donghua Zhang, Hongliang Yuan, Qi Zheng, Kangdi Zhou, Zhangxiang Cheng, Xiaoqiang Zhang, Yaqian Li, Zhikai Wu
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Publication number: 20240272494Abstract: The present disclosure provides a display panel and a manufacturing method thereof. The display panel includes a special-shaped display region. The display panel further includes a base substrate and a plurality of pixels on a side of the base substrate, and the plurality of pixels includes an edge pixel with an orthographic projection on the base substrate overlapped with that of an edge of the special-shaped display region on the base substrate. The edge pixel is provided with a light-shielding pattern that divides the edge pixel into a light-shielding region and a light-transmitting region. The edge pixel has a predetermined gray scale and a brightness ratio, the brightness ratio is a ratio of a brightness of the light-transmitting region to a brightness of the edge pixel when an entire region thereof is light-transmitting, and the predetermined gray scale has an exponential function relationship with the brightness ratio.Type: ApplicationFiled: April 22, 2024Publication date: August 15, 2024Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xueyong ZHAI, Yao BI, Kangdi ZHOU, Donghua ZHANG, Jin GAO, Ce WANG, Xiaodong WANG, Jian WANG, Xingxing GUAN, Hongsheng BI
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Publication number: 20240264492Abstract: An embodiment of the present disclosure provides a dimming glass, including: a glass substrate; and at least two dye liquid crystal cells on the glass substrate. The dye liquid crystal cells are mutually stacked and bonded with each other via an adhesive layer. The dye liquid crystal cell includes a central region and a peripheral region surrounding a periphery of the central region. The dye liquid crystal cell includes a cell gap adjusting structure in at least the peripheral region, which is configured to adjust a cell gap of the dye liquid crystal cell to be consistent. An embodiment of the present disclosure further provides a transportation device, including the dimming glass described above and used as a window glass of the transportation device.Type: ApplicationFiled: October 26, 2021Publication date: August 8, 2024Inventors: Donghua ZHANG, Hongliang YUAN, Qi ZHENG, Kangdi ZHOU, Zhangxiang CHENG, Xiaoqiang ZHANG, Yaqian LI, Zhikai WU
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Patent number: 12001094Abstract: An optical film includes a polarizer. The polarizer includes a base layer, and a material of the base layer is obtained by dyeing a base material with a dye. The base material includes a polyvinyl alcohol material, and the dye is selected from blue dichroism organic dyes.Type: GrantFiled: November 17, 2020Date of Patent: June 4, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuan Zhong, Hongliang Yuan, Qi Zheng, Yao Bi, Xiaojuan Wu, Zhiqiang Zhao, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang, Ce Wang
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Patent number: 11874983Abstract: A touch panel and a driving method thereof, and a display device are provided. The touch panel includes a first substrate and a second substrate; the first substrate includes a first electrode pattern layer, and the first electrode pattern layer includes first electrode blocks insulated from each other; the second substrate includes a second electrode pattern layer, touch lead lines, and a third electrode pattern layer; the second electrode pattern layer includes second electrode blocks insulated from each other; the second electrode blocks correspond to and are electrically connected with the first electrode blocks, respectively, and the second electrode blocks are respectively electrically connected with the touch lead lines to process an electrical signal of a touch operation; and the third electrode pattern layer includes third electrode blocks insulated from each other, and the second electrode blocks are insulated from the third electrode blocks to form touch capacitors, respectively.Type: GrantFiled: May 17, 2021Date of Patent: January 16, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao Bi, Hongliang Yuan, Qi Zheng, Xiaojuan Wu, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang
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Publication number: 20230072548Abstract: A touch panel and a driving method thereof, and a display device are provided. The touch panel includes a first substrate and a second substrate; the first substrate includes a first electrode pattern layer, and the first electrode pattern layer includes first electrode blocks insulated from each other; the second substrate includes a second electrode pattern layer, touch lead lines, and a third electrode pattern layer; the second electrode pattern layer includes second electrode blocks insulated from each other; the second electrode blocks correspond to and are electrically connected with the first electrode blocks, respectively, and the second electrode blocks are respectively electrically connected with the touch lead lines to process an electrical signal of a touch operation; and the third electrode pattern layer includes third electrode blocks insulated from each other, and the second electrode blocks are insulated from the third electrode blocks to form touch capacitors, respectively.Type: ApplicationFiled: May 17, 2021Publication date: March 9, 2023Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao BI, Hongliang YUAN, Qi ZHENG, Xiaojuan WU, Zhiqiang ZHAO, Xuan ZHONG, Zhangxiang CHENG, Jiaxing WANG, Donghua ZHANG
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Patent number: 11598996Abstract: The present disclosure provides a light-adjusting glass and a smart vehicle window. The light-adjusting glass has a transmittance adjustment region and an encapsulation region; the light-adjusting glass includes: a first and second substrates opposite to each other, and a dye liquid crystal layer between the first and second substrates in the transmittance adjustment region, and a frame sealant in the encapsulation region; the first substrate includes a first base and a first electrode layer on a side of the first base proximal to the dye liquid crystal layer; the second substrate includes a second base and a second electrode layer on a side of the second base proximal to the dye liquid crystal layer; a conductive structure is provided in the frame sealant; a first and second voltage transmission structures electrically insulated from each other are on the first base.Type: GrantFiled: December 8, 2020Date of Patent: March 7, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongliang Yuan, Xiaojuan Wu, Yong Zhang, Limin Zhang, Zhiqiang Zhao, Qi Zheng, Yao Bi, Xuan Zhong, Zhangxiang Cheng, Donghua Zhang, Jiaxing Wang, Ce Wang, Jian Wang, Yanchen Li
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Patent number: 11537023Abstract: A liquid crystal cell includes a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base, and an electrochromic layer disposed on a side of the first base. The second substrate includes a second base, and a plurality of spacers arranged at intervals and disposed on a side of the second base proximate to the first substrate. An orthographic projection of at least one spacer of the plurality of spacers arranged at intervals on the first base is within a range of an orthographic projection of the electrochromic layer on the first base.Type: GrantFiled: December 22, 2020Date of Patent: December 27, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhiqiang Zhao, Hongliang Yuan, Xiaojuan Wu, Qi Zheng, Yao Bi, Xuan Zhong, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang, Baoqing Hou, Lei Zhang
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Publication number: 20220382102Abstract: An optical film includes a polarizer. The polarizer includes a base layer, and a material of the base layer is obtained by dyeing a base material with a dye. The base material includes a polyvinyl alcohol material, and the dye is selected from blue dichroism organic dyes.Type: ApplicationFiled: November 17, 2020Publication date: December 1, 2022Inventors: Xuan ZHONG, Hongliang YUAN, QI ZHENG, Yao BI, Xiaojuan WU, Zhiqiang ZHAO, Zhangxiang CHENG, Jiaxing WANG, Donghua ZHANG, Ce WANG
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Patent number: 11467450Abstract: An optical assembly, a liquid crystal display panel, and a display apparatus, the optical assembly including: a quarter-wave plate, a half-wave plate, and a linear polariser stacked in sequence; the direction of the absorption axis of the linear polariser, the direction of the slow axis of the half-wave plate and the quarter-wave plate are all parallel to the linear polariser; a first included angle between the direction of the absorption axis of the linear polariser and a first direction is 90°-100°; a second included angle between the direction of the slow axis of the half-wave plate and the first direction is 107°-114°; a third included angle between the direction of the slow axis of the quarter-wave plate and the first direction is 164°-176°.Type: GrantFiled: August 26, 2020Date of Patent: October 11, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xuan Zhong, Hongliang Yuan, Jiantao Liu, Jian Wang, Donghua Zhang
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Patent number: 11448916Abstract: The present disclosure provides a smart glass and a light adjusting method, a light adjusting device and a non-transitory computer storage medium. The smart glass includes a first glass module, a touch control layer and a control unit. The first glass module includes a first substrate and a second substrate opposite to each other, and a first light adjusting layer between the first and second substrates. The light transmittance of the first light adjusting layer is adjusted by an electric field between the first substrate and the second substrate. The touch control layer is provided in at least one of the first substrate and the second substrate. The control unit is electrically coupled to the touch control layer to receive a touch control signal output by the touch control layer and adjust the electric field between the first substrate and the second substrate according to the touch control signal.Type: GrantFiled: April 28, 2021Date of Patent: September 20, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Jiaxing Wang, Hongliang Yuan, Xiaojuan Wu, Qi Zheng, Yao Bi, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Donghua Zhang, Ce Wang
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Patent number: 11444137Abstract: A display panel and a display device including the display panel are provided. The display panel includes a first substrate and a second substrate opposite to each other. The first substrate includes a first base, and the second substrate includes a second base. The first substrate further includes a plurality of first electrodes in an array on the first base, and the second substrate further includes a plurality of second electrodes in an array on the second base. An orthographic projection of each second electrode on the first base at least partially overlaps orthographic projections of n first electrodes on the first base, n is an integer greater than 1.Type: GrantFiled: March 20, 2020Date of Patent: September 13, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Jiaxing Wang, Hongliang Yuan, Xiaojuan Wu, Qi Zheng, Yao Bi, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Donghua Zhang
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Patent number: 11435608Abstract: Provided are a display substrate and a control method therefor, a display panel, and a display device. The display substrate is disposed in the display panel and includes a first substrate and multiple mode switching electrodes and multiple data lines disposed on the first substrate; wherein, the mode switching electrode is disposed on a side of the data line away from the first substrate and insulated from the data line, and an orthographic projection of the mode switching electrode on the first substrate covers part of an orthographic projection of the data line on the first substrate; and the mode switching electrode is configured to switch display modes of the display panel, wherein the display modes include a normal mode and a privacy mode.Type: GrantFiled: August 24, 2020Date of Patent: September 6, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Qi Zheng, Hongliang Yuan, Xiaojuan Wu, Yao Bl, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang, Lanjun Guo
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Patent number: 11397357Abstract: A dimming panel and a manufacturing method thereof are provided. The dimming panel includes: a first base substrate and a second base substrate opposite to the first substrate; a first electrode on the first base substrate; a second electrode on the second base substrate; and a liquid crystal layer between the first and second base substrate. The first electrode includes a plurality of first electrode strips arranged at intervals in a first direction and a plurality of second electrode strips arranged at intervals in the first direction, the plurality of first electrode strips are located in a first electrode layer, the plurality of second electrode strips are located in a second electrode layer on a side of the first electrode layer away from the first base substrate. An orthographic projection of a combination of first and second electrode strips on the first base substrate is an integrated plane without gaps.Type: GrantFiled: January 12, 2021Date of Patent: July 26, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiaxing Wang, Hongliang Yuan, Xiaojuan Wu, Qi Zheng, Yao Bi, Zhiqiang Zhao, Xuan Zhong, Zhangxiang Cheng, Donghua Zhang, Ce Wang
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Patent number: 11378854Abstract: The present disclosure provides a sub-pixel structure, a liquid crystal panel and a reflective liquid crystal display device. The sub-pixel structure includes a pixel electrode, and a first thin film transistor and a second thin film transistor integrated on an array substrate; the first thin film transistor and the second thin film transistor are respectively close to a first side and a second side, opposite to each other, of the pixel electrode, and are adjacent to and are connected to two scanning lines in the array substrate, respectively; and a length of a channel region of the first thin film transistor is greater than a first length threshold, and a length of a channel region of the second thin film transistor is greater than a second length threshold.Type: GrantFiled: April 2, 2020Date of Patent: July 5, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaojuan Wu, Xuan Zhong, Hongliang Yuan, Qi Zheng, Zhangxiang Cheng, Yao Bi, Zhiqiang Zhao, Jiaxing Wang, Donghua Zhang
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Publication number: 20220146898Abstract: A liquid crystal cell includes a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base, and an electrochromic layer disposed on a side of the first base. The second substrate includes a second base, and a plurality of spacers arranged at intervals and disposed on a side of the second base proximate to the first substrate. An orthographic projection of at least one spacer of the plurality of spacers arranged at intervals on the first base is within a range of an orthographic projection of the electrochromic layer on the first base.Type: ApplicationFiled: December 22, 2020Publication date: May 12, 2022Inventors: Zhiqiang ZHAO, Hongliang YUAN, Xiaojuan WU, Qi ZHENG, Yao BI, Xuan ZHONG, Zhangxiang CHENG, Jiaxing WANG, Donghua ZHANG, Baoqing HOU, Lei ZHANG