Patents by Inventor Wenqing ZHAO
Wenqing ZHAO 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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Patent number: 11927782Abstract: Provided are a phase retardation device, a preparation method therefor, and a display apparatus. The phase retardation device includes: a linear polarization layer, a first alignment layer, a first liquid crystal layer and a second liquid crystal layer; the linear polarization layer is located on one side of a light source; the first alignment layer is located on a side of the linear polarization layer away from the light source; the first liquid crystal layer is located on a side of the first alignment layer away from the light source; the second liquid crystal layer is located on a side of the first liquid crystal layer away from the first alignment layer, the second liquid crystal layer comprises a first subpart adjacent to the first liquid crystal layer, a second subpart and a third subpart.Type: GrantFiled: May 23, 2023Date of Patent: March 12, 2024Assignee: Beijing Rayboch Technology Co., Ltd.Inventor: Wenqing Zhao
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Publication number: 20240045127Abstract: A phase retarding apparatus and a preparation method therefor, and a display device.Type: ApplicationFiled: December 13, 2021Publication date: February 8, 2024Inventor: Wenqing ZHAO
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Patent number: 11860400Abstract: The present disclosure relates to a backlight source, a method of manufacturing the backlight source, and a display device. The backlight source comprising: a light guide plate; a light emitting device on a side of the light guide plate in a thickness direction, wherein the light emitting device is configured to emit light irradiated into the light guide plate; and an optical element on a light emitting side of the light emitting device in a thickness direction, wherein the optical element is configured to convert the light emitted from the light emitting device into a parallel beam propagating in the light guide plate by total reflection.Type: GrantFiled: December 25, 2018Date of Patent: January 2, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Wang, Jifeng Tan, Xiandong Meng, Wenqing Zhao, Xiaochuan Chen
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Publication number: 20230400746Abstract: A liquid crystal lens liquid crystal lens includes: a first substrate and a second substrate; a liquid crystal layer including a plurality of liquid crystal lens units; a first electrode including a plurality of independent sub-electrodes, and there are sub-electrodes at adjacent positions of adjacent liquid crystal lens units; a second electrode being a planar electrode, the first electrode and the second electrode are configured to form an electric field to drive liquid crystal molecules of the liquid crystal layer to rotate, and adjust the curvature of the liquid crystal lens units; a first planar layer located on the side of the first electrode facing the liquid crystal layer, the first planar layer being configured to smooth an intensity variation curve of the electric field of the liquid crystal lens units; and a light-shielding layer located between the first substrate and the second substrate.Type: ApplicationFiled: December 23, 2020Publication date: December 14, 2023Inventors: Zhongxiao LI, Wenqing ZHAO, Kuanjun PENG, Jing YU
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Patent number: 11835813Abstract: Provided are a display module, a display device and a display method. The display module includes a display panel and a lens layer on a light-exiting side of the display panel, and the display panel includes an array substrate and a color film substrate. The array substrate includes a plurality of pixel islands arranged in an array, and each pixel island includes a plurality of sub-pixels arranged in a first direction. The color film substrate includes a plurality of black matrices and a plurality of color filter elements, the black matrices and the color filter elements are arranged alternately, and each pixel island corresponds to one color filter element. The lens layer includes a plurality of cylindrical lenses arranged consecutively in the first direction, each cylindrical lens corresponds to a pixel island, and the pixel island is arranged on a focal plane of the corresponding cylindrical lens.Type: GrantFiled: November 2, 2021Date of Patent: December 5, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Zhongxiao Li, Wenqing Zhao, Jing Yu, Kuanjun Peng
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Patent number: 11835751Abstract: A display panel and a manufacturing method thereof, and a display device. The display panel includes a light guide plate, an array substrate, a liquid crystal layer between the light guide plate and the array substrate, a plurality of light-extracting gratings located on one side of a light exit surface of the light guide plate, and a transparent protection layer between a film layer where the light-extracting gratings are located and the light guide plate. The light guide plate includes a plurality of light-extracting port areas, and transparent areas besides the light-extracting port areas; each light-extracting port area is provided with one light-extracting grating; the protection layer is at least provided on the transparent areas, and the protection layer is configured to prevent the light guide plate in the transparent areas from being excessively etched to form a plurality of depressions.Type: GrantFiled: May 25, 2020Date of Patent: December 5, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Xiandong Meng, Jifeng Tan, Shuilang Dong, Wei Wang, Wenqu Liu, Wenqing Zhao, Qiuyu Ling, Xianqin Meng, Yishan Tian, Zhao Kang
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Patent number: 11804514Abstract: An array substrate is provided, including a substrate, wherein the substrate is provided with a plurality of electrodes and a plurality of first signal lines, each of the electrodes being correspondingly connected with a first signal line. In some examples, the first signal lines extend in the same direction. In some examples, at least two of the plurality of first signal lines are located in different layers of an insulating spacer from each other. In some examples, orthographic projections on the substrate of at least two of the first signal lines in the different layers at least partially overlap. Accordingly, a light field display device comprising the array substrate is also provided. The array substrate can reduce a light-emitting point size and increase a density distribution of light-emitting points.Type: GrantFiled: March 25, 2021Date of Patent: October 31, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ming Yang, Can Zhang, Minghua Xuan, Liang Chen, Xiaochuan Chen, Wenqing Zhao
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Publication number: 20230288621Abstract: Provided are a phase retardation device, a preparation method therefor, and a display apparatus. The phase retardation device includes: a linear polarization layer, a first alignment layer, a first liquid crystal layer and a second liquid crystal layer; the linear polarization layer is located on one side of a light source; the first alignment layer is located on a side of the linear polarization layer away from the light source; the first liquid crystal layer is located on a side of the first alignment layer away from the light source; the second liquid crystal layer is located on a side of the first liquid crystal layer away from the first alignment layer, the second liquid crystal layer comprises a first subpart adjacent to the first liquid crystal layer, a second subpart and a third subpart.Type: ApplicationFiled: May 23, 2023Publication date: September 14, 2023Inventor: Wenqing ZHAO
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Patent number: 11686976Abstract: A phase delay device, its preparation method and a display equipment are provided. The phase delay device includes linear polarization layer, alignment layer and liquid crystal layer. The linear polarization layer is configured to convert received light into a linear polarization light; the alignment layer is configured to align liquid crystals of a first subpart of the liquid crystal layer based on a preset alignment angle; the liquid crystal layer is located at a side of the alignment layer away from the linear polarization layer, and includes a first subpart adjacent to the alignment layer, a second subpart having a spiral structure with a preset spiral angle and a third subpart; a liquid crystal alignment angle of the third subpart is determined based on the preset alignment angle and the preset spiral angle; birefringence of the liquid crystal layer does not decrease with an increase of visible light wavelength.Type: GrantFiled: December 7, 2022Date of Patent: June 27, 2023Assignee: Beijing Rayboch Technology Co., Ltd.Inventor: Wenqing Zhao
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Patent number: 11675238Abstract: A display panel includes: a first substrate and a second substrate; and a liquid crystal layer. The first substrate includes a first base, and a light extraction portion and a light conversion portion that are disposed on a first side and located in each sub-pixel region. The first base has the first side facing the second substrate. A refractive index of the light extraction portion is greater than or equal to a refractive index of the first base, and a refractive index of a portion of the light conversion portion in direct contact with the first base is less than the refractive index of the first base. The second substrate includes a second base, and at least one light reflecting structure and at least one light absorbing structure that are disposed at a side of the second base facing the first substrate and located in the sub-pixel region.Type: GrantFiled: July 16, 2020Date of Patent: June 13, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qian Wang, Xue Dong, Qingxun Zhang, Xiaochuan Chen, Wenqing Zhao, Zhongxiao Li
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Publication number: 20230093916Abstract: A phase delay device, its preparation method and a display equipment are provided. The phase delay device includes linear polarization layer, alignment layer and liquid crystal layer. The linear polarization layer is configured to convert received light into a linear polarization light; the alignment layer is configured to align liquid crystals of a first subpart of the liquid crystal layer based on a preset alignment angle; the liquid crystal layer is located at a side of the alignment layer away from the linear polarization layer, and includes a first subpart adjacent to the alignment layer, a second subpart having a spiral structure with a preset spiral angle and a third subpart; a liquid crystal alignment angle of the third subpart is determined based on the preset alignment angle and the preset spiral angle; birefringence of the liquid crystal layer does not decrease with an increase of visible light wavelength.Type: ApplicationFiled: December 7, 2022Publication date: March 30, 2023Inventor: Wenqing ZHAO
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Patent number: 11598987Abstract: The present disclosure provides a display device including a liquid crystal layer having a first surface and a second surface opposite to each other, and the second surface has a light entrance region and a light outgoing region; a reflector within the liquid crystal layer and adjacent the first surface; a light absorbing layer on the first surface of the liquid crystal layer, the light absorbing layer including a first shielding layer, a second shielding layer and a filling layer therebetween, the second shielding layer is between the first shielding layer and the liquid crystal layer and has a first opening therein, and the liquid crystal layer is configured to modulate light incident from the light entrance region into first refracted light under a first voltage; and modulate the light incident from the light entrance region into second refracted light under a second voltage different from the first voltage.Type: GrantFiled: February 24, 2021Date of Patent: March 7, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qingxun Zhang, Qian Wang, Wenqing Zhao, Zhongxiao Li, Song Yang
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Publication number: 20220413347Abstract: A display panel, a display device, and a driving method therefor, the display panel comprising: a plurality of sub-pixels arranged in an array, and the display panel comprising: a first substrate and a second substrate disposed opposite each other, wherein the first substrate comprises a first base and a plurality of pixel electrodes disposed on the first base, and each sub-pixel comprises at least two pixel electrodes.Type: ApplicationFiled: June 9, 2021Publication date: December 29, 2022Inventors: Zhongxiao LI, Wenqing ZHAO, Hui ZHANG
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Patent number: 11531238Abstract: A liquid crystal lens includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base substrate, a plurality of first electrodes, and a first alignment layer, wherein two adjacent first electrodes of the plurality of first electrodes are insulated from each other, an orthographic projection of each of the plurality of first electrodes on a first surface is an axisymmetric pattern and a centrosymmetric pattern, and center points of the orthographic projections of the plurality of first electrodes on the first surface are in coincidence with each other. The second substrate includes a second base substrate, a plurality of second electrodes, and a second alignment layer, wherein an orientation of the first alignment layer and an orientation of the second alignment layer are perpendicular to each other.Type: GrantFiled: March 31, 2021Date of Patent: December 20, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Wenqing Zhao, Qian Wang, Haiyan Wang, Weili Zhao
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Patent number: 11513277Abstract: A method of manufacturing a light guide substrate includes: providing a first base substrate; forming an interface protection layer on a side of the first base substrate; forming a grating structure layer at the side of the first base substrate where the interface protection layer has been formed; removing portions of the grating structure layer corresponding to the non-light extraction opening regions, so as to obtain a plurality of light extraction grating units in one-to-one correspondence with the plurality of light extraction opening regions; and removing portions of the interface protection layer corresponding to the non-light extraction opening regions. The first base substrate includes a plurality of light extraction opening regions and non-light extraction opening regions other than the plurality of light extraction opening regions.Type: GrantFiled: September 3, 2019Date of Patent: November 29, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Jifeng Tan, Xiandong Meng, Wenqing Zhao, Xiaochuan Chen
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Publication number: 20220308393Abstract: Provided are a back light unit structure, a display panel and a display apparatus. The back light unit structure includes a light source, and a first substrate and a second substrate which are opposite to each other; the first substrate includes a reflective structure; the second substrate includes a light guide plate and a light selection layer that are stacked; the light selection layer is located at a side of the light guide plate near the reflective structure, and a refractive index of the light selection layer is smaller than that of the light guide plate; the light selection layer is provided with a plurality of light acquiring holes penetrating through the light selection layer; the light source is located at an end of the light guide plate.Type: ApplicationFiled: February 2, 2021Publication date: September 29, 2022Inventors: Qian WANG, Wenqing ZHAO, Qingxun ZHANG
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Patent number: 11409126Abstract: The present disclosure is related to a display panel. The display panel may include a plurality of pixel units. Each of the plurality of pixel units may include a first pixel unit or a second pixel unit. The first pixel unit may include a first light adjusting structure configured to adjust an angle of light that transmits through the first light adjusting structure. The second pixel unit may include a second light adjusting structure configured to adjust an angle of light that transmits through the second light adjusting structure. A plurality of first pixel units may be configured to display a left-eye image. A plurality of second pixel units may be configured to display a right-eye image.Type: GrantFiled: August 29, 2018Date of Patent: August 9, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongxiao Li, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Jinye Zhu, Chenyu Chen
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Patent number: 11403977Abstract: A display panel and a method of driving a display panel are provided. The display panel includes at least one display subpixel. The display subpixel includes a first display region located at a middle part of the display subpixel and a second display region located at a peripheral part of the display subpixel in a first direction; and the display subpixel is configured to enable brightness of the second display region to be greater than brightness of the first display region in a case of displaying an image.Type: GrantFiled: May 17, 2019Date of Patent: August 2, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongxiao Li, Wenqing Zhao, Jinye Zhu, Xiaochuan Chen
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Patent number: 11402565Abstract: A display substrate is provided. The display substrate includes: an optical waveguide; a first buffer layer at a side of the optical waveguide, the first buffer layer including a first buffer pattern and a plurality of openings defined by the first buffer pattern; and a second buffer layer at a side of the optical waveguide provided with the first buffer layer and at least covering the plurality of openings, a refractive index of the first buffer pattern is less than a refractive index of the optical waveguide, and a refractive index of the second buffer layer is greater than the refractive index of the optical waveguide. A display panel and a display device are further provided.Type: GrantFiled: July 24, 2020Date of Patent: August 2, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Jifeng Tan, Xiandong Meng, Wenqing Zhao, Xiaochuan Chen
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Patent number: 11397475Abstract: A display device, an electronic device, and a method for driving a display device are provided. The display device includes a display panel and a plurality of image sensors. The display panel has a display side and a back side opposite to the display side, the plurality of image sensors are independent at a plurality of independent positions on the back side of the display panel, and the plurality of image sensors are configured to integrally obtain depth image information of a target to be detected on the display side of the display panel.Type: GrantFiled: January 14, 2019Date of Patent: July 26, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Wenqing Zhao, Yangbing Li, Yapeng Li, Likai Deng, Yuanyuan Ma, Lei Wang