Patents by Inventor Zhuolong Li
Zhuolong 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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Patent number: 12292633Abstract: The present disclosure provides a display device. The display device includes: a display panel including an display area and a peripheral area surrounding the display area; a backlight module at a light incident side of the display panel; where the backlight module includes a backplane, a light guide plate and a plurality of light strips, the backplane includes a first polygonal bottom plate, and a plurality of first side plates connected to the first bottom plate at an edge of the first bottom plate, the light guide plate is located between the first bottom plate and the display panel, and the light strips are located between the first side plates and the light guide plate; and an assembly frame assembled to the display panel and the backlight module at an edge of the display panel and an edge of the backlight module.Type: GrantFiled: May 10, 2022Date of Patent: May 6, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Miao Liu, Huiyan Li, Fuxue Liang, Yu Zhang, Xuefei Qin, Zhuolong Li, Liang Bo, Lulu Wang, Shixin Geng, Fan Yang, Jingrui Ren
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Publication number: 20240361629Abstract: The present disclosure provides a display device. The display device includes: a display panel including an display area and a peripheral area surrounding the display area; a backlight module at a light incident side of the display panel; where the backlight module includes a backplane, a light guide plate and a plurality of light strips, the backplane includes a first polygonal bottom plate, and a plurality of first side plates connected to the first bottom plate at an edge of the first bottom plate, the light guide plate is located between the first bottom plate and the display panel, and the light strips are located between the first side plates and the light guide plate; and an assembly frame assembled to the display panel and the backlight module at an edge of the display panel and an edge of the backlight module.Type: ApplicationFiled: May 10, 2022Publication date: October 31, 2024Inventors: Miao LIU, Huiyan LI, Fuxue LIANG, Yu ZHANG, Xuefei QIN, Zhuolong LI, Liang BO, Lulu WANG, Shixin GENG, Fan YANG, Jingrui REN
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Patent number: 12112712Abstract: A backlight driving board includes a main circuit board, and a photosensitive device, a backlight controller and a first port that are disposed on the main circuit board. The photosensitive device is configured to sense brightness and color temperature of a light source, and output brightness data and color temperature data. The backlight controller is coupled to the photosensitive device, and configured to receive the brightness data and adjust light-emitting brightness of the light source according to the brightness data. The first port is coupled to the photosensitive device, and configured to be coupled to a system board, receive the color temperature data, and transmit the color temperature data to the system board, such that the system board adjusts color temperature of a picture displayed by a display panel according to the color temperature data.Type: GrantFiled: April 8, 2021Date of Patent: October 8, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijin Zhao, Yu Zhang, Shixin Geng, Guangyun Tong, Zhuolong Li, Miao Liu, Huiyan Li, Fan Yang
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Publication number: 20240310568Abstract: A reflection sheet included in a display module is arranged between a back plate and a light guide plate, a plurality of light-emitting assemblies are arranged at a circumferential edge of the light guide plate; the light-emitting assembly includes a light-emitting member, a substrate and an optical adhesive layer, the light-emitting member is fixed on the substrate; the substrate is bonded to a first surface of the light guide plate via the optical adhesive layer; the light-emitting member is located at a circumferential edge of the light guide plate; a light-emitting surface of the light-emitting member is in contact with an edge of the light guide plate, the first surface is a surface opposite to a surface of the light guide plate for emitting light; and an end of the substrate is overlapped on a surface of an edge of the reflection sheet close to the light guide plate.Type: ApplicationFiled: March 31, 2022Publication date: September 19, 2024Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Huiyan Li, Yu Zhang, Fuxue Liang, Miao Liu, Shixin Geng, Xuefei Qin, Zhuolong Li, Lulu Wang
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Publication number: 20240272348Abstract: The present disclosure provides a display module and a display apparatus. The display module includes a display panel, a backlight assembly, an intermediate frame and a backplane; the backplane includes a backplane body on a side of the backlight assembly away from the display panel; the backplane body includes a contact structure recessed in a direction from a side away from the light guide assembly toward a side close to the light guide assembly. The contact structure is in contact with the light guide assembly; a receiving space is between the backplane body and the light guide assembly and on a side of the contact structure close to a lateral backlight source; an elastic contact member is in a receiving space and is in contact with the backplane body and is adjacent to the light guide assembly; the intermediate frame includes an intermediate frame body surrounding the backlight assembly.Type: ApplicationFiled: April 20, 2022Publication date: August 15, 2024Inventors: Shixin GENG, Yu ZHANG, Bochang WANG, Huiyan LI, Zhuolong LI, Miao LIU, Xuefei QIN, Lulu WANG
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Publication number: 20240219758Abstract: Provided is a support bracket for supporting a diffuser, including: a support post and a mounting part arranged in a first direction. The mounting part includes: an elastic connection part and a base arranged opposite to each other along the first direction, the elastic connection part is connected to the base, the support post extends in the first direction and an end of the support post close to the mounting part is fixed to the elastic connection part, and the elastic connection part is configured to be elastically deformable in the first direction to change a distance between the end of the support post close to the mounting part and the base in the first direction. Further provided are a sub-backlight module, a display device and a splicing display module.Type: ApplicationFiled: February 20, 2023Publication date: July 4, 2024Inventors: Xuefei QIN, Yu ZHANG, Zhuolong LI, Shixin GENG, Bochang WANG
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Patent number: 11927878Abstract: Provided is a projection screen. The projection screen includes a first transparent cover plate, a transparent touch panel, and a first nanoparticle layer, wherein the first nanoparticle layer and the first transparent cover plate are sequentially laminated on one side of the transparent touch panel, and the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes. A method for manufacturing a projection screen, a projection display system, and a projection display method are also provided.Type: GrantFiled: June 9, 2021Date of Patent: March 12, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Xuefei Qin, Junning Su
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Patent number: 11774797Abstract: A backlight source includes light bars, adapter plate(s) and connection structures. Each light bar includes light-emitting group(s) and external connection unit(s). Each external connection unit is electrically connected to at least one light-emitting group and included at least one first electrode pair. Each adapter plate includes adapter circuits, each adapter circuit includes adapter units, each adapter unit includes at least one second electrode pair. Ends of each connection structure are electrically connected to one external connection unit and one adapter unit. All second electrode pairs of adapter units of a same adapter circuit are classified into at least one group, each group includes second electrode pairs electrically connected in series. In light-emitting groups electrically connected to adapter units of the same adapter circuit, light-emitting groups electrically connected second electrode pairs in a same group are connected in series to form a dimming region.Type: GrantFiled: February 4, 2021Date of Patent: October 3, 2023Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyun Tong, Shixin Geng, Lijin Zhao, Tengfei Wang, Jiangfeng Zhang, Xu Chen, Zhuolong Li, Yu Zhang
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Patent number: 11721297Abstract: Provided is a display method applicable to a display device, the display device including a liquid crystal light control panel and a liquid crystal display (LCD) panel stacked together, the method including: acquiring a first sub-image and a second sub-image of an image to be displayed on the LCD panel, a boundary of the first sub-image being in contact with a boundary of the second sub-image; and decreasing a grayscale value of a first region, which is in contact with a boundary of a second light control region, in a first light control region, in response to determining that a grayscale value of the second sub-image is greater than a grayscale threshold.Type: GrantFiled: November 12, 2020Date of Patent: August 8, 2023Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyun Tong, Zhuolong Li, Yu Zhang, Bochang Wang
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Patent number: 11720214Abstract: Provides is a touch panel. The touch panel includes: a first electrode layer, a photosensitive layer, and a second electrode layer that are laminated, wherein the photosensitive layer is insulated from the first electrode layer and the second electrode layer, and the first electrode layer, the photosensitive layer, and the second electrode layer are capable of forming a plurality of touch units arranged in an array. The photosensitive layer is configured to generate a dielectric constant change at a position under irradiation by light from a line light source.Type: GrantFiled: January 18, 2022Date of Patent: August 8, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Liang Bo, Xuefei Qin
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Patent number: 11714303Abstract: A display device is disclosed, which includes a display screen and a dimming screen which are arranged in a stacked manner, a backlight module on a side of the dimming screen away from the display screen, and a circuit board module on a side of the backlight module away from the dimming screen. The circuit board module includes a first control circuit board on the side of the backlight module away from the dimming screen and a second control circuit board on a side of the first control circuit board away from the backlight module, the first control circuit board is electrically connected with the dimming screen through a first Chip On Film and the second control circuit board is electrically connected with the display screen through a second Chip On Film. The circuit board module further includes a first support frame and a second support frame.Type: GrantFiled: October 27, 2021Date of Patent: August 1, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhuolong Li, Yu Zhang, Guangyun Tong, Liang Bo, Miao Liu, Xuefei Qin
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Publication number: 20220413375Abstract: Provided is a projection screen. The projection screen includes a first transparent cover plate, a transparent touch panel, and a first nanoparticle layer, wherein the first nanoparticle layer and the first transparent cover plate are sequentially laminated on one side of the transparent touch panel, and the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes. A method for manufacturing a projection screen, a projection display system, and a projection display method are also provided.Type: ApplicationFiled: June 9, 2021Publication date: December 29, 2022Inventors: Guangyun Tong, Yu Zhang, Zhuolong Li, Xuefei Qin, Junning Su
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Patent number: 11531240Abstract: The present disclosure discloses a folding screen display device, and the folding screen display device includes: a main cell and a sub cell arranged in a stacked mode; a backlight module arranged on a side, facing away from the main cell, of the sub cell; a display control circuit board arranged on a side, facing away from the sub cell, of the backlight module; and a cable pinboard arranged on a side frame of the backlight module; where the display control circuit board has a timer control circuit for outputting a timer control signal to the main cell and the sub cell; the timer control circuit is electrically connected with the main cell through a first COF; the timer control circuit is electrically connected with the cable pinboard; and the cable pinboard is electrically connected with the sub cell through a second COF.Type: GrantFiled: June 24, 2021Date of Patent: December 20, 2022Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yu Zhang, Zhuolong Li, Guangyun Tong, Bochang Wang, Zhanchang Bu
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Publication number: 20220351695Abstract: Provided is a display method applicable to a display device, the display device including a liquid crystal light control panel and a liquid crystal display (LCD) panel stacked together, the method including: acquiring a first sub-image and a second sub-image of an image to be displayed on the LCD panel, a boundary of the first sub-image being in contact with a boundary of the second sub-image; and decreasing a grayscale value of a first region, which is in contact with a boundary of a second light control region, in a first light control region, in response to determining that a grayscale value of the second sub-image is greater than a grayscale threshold.Type: ApplicationFiled: November 12, 2020Publication date: November 3, 2022Inventors: Guangyun Tong, Zhuolong Li, Yu Zhang, Bochang Wang
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Patent number: 11467443Abstract: The present application discloses a polarizer and a preparation method thereof and a display device. Embodiments of the present disclosure provides a polarizer, wherein the polarizer includes: a polarizing layer, and a depolarizing layer located on a light emitting side of the polarizing layer; the depolarizing layer includes: nanoparticles, and a reflective part covering the nanoparticles; and the reflective part covering the nanoparticles generates resonance scattering with incident light.Type: GrantFiled: April 14, 2021Date of Patent: October 11, 2022Assignees: Beijing BOE Display Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Yu Zhang, Guangyun Tong, Zhuolong Li, Mingzhe Ye, Bochang Wang
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Publication number: 20220291537Abstract: A display device is disclosed, which includes a display screen and a dimming screen which are arranged in a stacked manner, a backlight module on a side of the dimming screen away from the display screen, and a circuit board module on a side of the backlight module away from the dimming screen. The circuit board module includes a first control circuit board on the side of the backlight module away from the dimming screen and a second control circuit board on a side of the first control circuit board away from the backlight module, the first control circuit board is electrically connected with the dimming screen through a first Chip On Film and the second control circuit board is electrically connected with the display screen through a second Chip On Film. The circuit board module further includes a first support frame and a second support frame.Type: ApplicationFiled: October 27, 2021Publication date: September 15, 2022Inventors: Zhuolong LI, Yu ZHANG, Guangyun TONG, Liang BO, Miao LIU, Xuefei QIN
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Publication number: 20220277698Abstract: A backlight driving board includes a main circuit board, and a photosensitive device, a backlight controller and a first port that are disposed on the main circuit board. The photosensitive device is configured to sense brightness and color temperature of a light source, and output brightness data and color temperature data. The backlight controller is coupled to the photosensitive device, and configured to receive the brightness data and adjust light-emitting brightness of the light source according to the brightness data. The first port is coupled to the photosensitive device, and configured to be coupled to a system board, receive the color temperature data, and transmit the color temperature data to the system board, such that the system board adjusts color temperature of a picture displayed by a display panel according to the color temperature data.Type: ApplicationFiled: April 8, 2021Publication date: September 1, 2022Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijin ZHAO, Yu ZHANG, Shixin GENG, Guangyun TONG, Zhuolong LI, Miao LIU, Huiyan LI, Fan YANG
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Publication number: 20220269373Abstract: Provides is a touch panel. The touch panel includes: a first electrode layer, a photosensitive layer, and a second electrode layer that are laminated, wherein the photosensitive layer is insulated from the first electrode layer and the second electrode layer, and the first electrode layer, the photosensitive layer, and the second electrode layer are capable of forming a plurality of touch units arranged in an array. The photosensitive layer is configured to generate a dielectric constant change at a position under irradiation by light from a line light source.Type: ApplicationFiled: January 18, 2022Publication date: August 25, 2022Inventors: Guangyun TONG, Yu ZHANG, Zhuolong LI, Liang BO, Xuefei QIN
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Publication number: 20220244597Abstract: A backlight source includes light bars, adapter plate(s) and connection structures. Each light bar includes light-emitting group(s) and external connection unit(s). Each external connection unit is electrically connected to at least one light-emitting group and included at least one first electrode pair. Each adapter plate includes adapter circuits, each adapter circuit includes adapter units, each adapter unit includes at least one second electrode pair. Ends of each connection structure are electrically connected to one external connection unit and one adapter unit. All second electrode pairs of adapter units of a same adapter circuit are classified into at least one group, each group includes second electrode pairs electrically connected in series. In light-emitting groups electrically connected to adapter units of the same adapter circuit, light-emitting groups electrically connected second electrode pairs in a same group are connected in series to form a dimming region.Type: ApplicationFiled: February 4, 2021Publication date: August 4, 2022Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangyun TONG, Shixin GENG, Lijin ZHAO, Tengfei WANG, Jiangfeng ZHANG, Xu CHEN, Zhuolong LI, Yu ZHANG
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Publication number: 20220163835Abstract: The present disclosure discloses a folding screen display device, and the folding screen display device includes: a main cell and a sub cell arranged in a stacked mode; a backlight module arranged on a side, facing away from the main cell, of the sub cell; a display control circuit board arranged on a side, facing away from the sub cell, of the backlight module; and a cable pinboard arranged on a side frame of the backlight module; where the display control circuit board has a timer control circuit for outputting a timer control signal to the main cell and the sub cell; the timer control circuit is electrically connected with the main cell through a first COF; the timer control circuit is electrically connected with the cable pinboard; and the cable pinboard is electrically connected with the sub cell through a second COF.Type: ApplicationFiled: June 24, 2021Publication date: May 26, 2022Inventors: Yu ZHANG, Zhuolong LI, Guangyun TONG, Bochang WANG, Zhanchang BU