Patents by Inventor Lili Jia
Lili Jia 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: 20240097085Abstract: A display panel (10) includes a circuit backplane (1) and a reflective layer (3). The circuit backplane (1) includes a first main surface (11), a second main surface (12), and a plurality of side surfaces (13). The second main surface (12) is disposed opposite to the first main surface (11). The side surfaces (13) each connect the first main surface (11) and the second main surface (12). At least one side surface in the plurality of side surfaces (13) is a selected side surface (13a). The selected side surface (13a) is covered by the reflective layer (3), the reflective layer (3) being configured to be removed under a predetermined process condition.Type: ApplicationFiled: July 4, 2022Publication date: March 21, 2024Applicants: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili WANG, Sha FENG, Chao LIU, Jing WANG, Mingming JIA, Chuhang WANG, Qi QI
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Patent number: 11829030Abstract: A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.Type: GrantFiled: October 16, 2020Date of Patent: November 28, 2023Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Honghao Yu, Lili Jia, Donglei Li, Ying Chen, Hui Liu, Jie Gao, Jiaxin Li
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Patent number: 11570867Abstract: A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop, the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal.Type: GrantFiled: June 30, 2021Date of Patent: January 31, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Wei Hao, Lingyun Shi, Wenchieh Huang, Feifei Wang, Wengang Su, Rui Shi, Xingce Shang, Junwei Zhang, Kaimin Yin, Qibing Gu, Lili Jia, Xiurong Wang
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Publication number: 20220317517Abstract: A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.Type: ApplicationFiled: October 16, 2020Publication date: October 6, 2022Inventors: Honghao Yu, Lili Jia, Donglei Li, Ying Chen, Hui Liu, Jie Gao, Jiaxin Li
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Patent number: 11402677Abstract: An optical film includes a light-transmissive substrate and a first annular lens group. The light-transmissive substrate has a first surface and a second surface opposite to each other. The first annular lens group is disposed on the second surface, and the first annular lens group is configured to allow light to pass through. The reflectivity of the first annular lens group decreases along a direction away from a central axis of the first annular lens group, and an extending direction of the central axis is the same as a thickness direction of the light-transmissive substrate.Type: GrantFiled: June 30, 2020Date of Patent: August 2, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ying Chen, Shanshan Liu, Lili Jia, Bochang Wang, Donglei Li, Hui Liu, Honghao Yu
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Publication number: 20220117059Abstract: A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop. the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal.Type: ApplicationFiled: June 30, 2021Publication date: April 14, 2022Inventors: Wei HAO, Lingyun SHI, Wenchieh HUANG, Feifei WANG, Wengang SU, Rui SHI, Xingce SHANG, Junwei ZHANG, Kaimin YIN, Qibing GU, Lili JIA, Xiurong WANG
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Patent number: 11125932Abstract: A light guide plate and a manufacturing method thereof, a backlight module, and a display device are provided. The light guide plate includes a light incident surface, a light reflection surface, and a light-emitting surface; the light reflection surface includes a first prism structure array, the first prism structure array includes first prisms arranged in sequence in a first direction, and the first direction is perpendicular to the light incident surface; the first prism structure array is configured to enable light emitted from the light incident surface to be emitted toward the light-emitting surface; and the light-emitting surface includes a second cylindrical structure array, the second cylindrical structure array includes second cylindrical structures arranged side by side in a second direction, the second direction is perpendicular to the first direction, and a first plane including the first direction and the second direction is perpendicular to the light incident surface.Type: GrantFiled: June 23, 2020Date of Patent: September 21, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Honghao Yu, Hao Zhou, Lili Jia, Donglei Li, Hui Liu, Ying Chen, Shanshan Liu
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Patent number: 11112650Abstract: Disclosed are a backlight module and a display device. The backlight module includes a substrate; a first circuit board and a second circuit board thereon, a gap portion is between the two circuit boards; a blocking member for blocking the gap portion; and an optical sheet on a side of the blocking member facing away from the substrate, wherein the blocking member includes a blocking portion, a space is provided between the blocking portion and the optical sheet, an orthographic projection of the blocking portion on the substrate covers that of the gap portion, and wherein the blocking portion includes a first inclined surface inclined with respect to the first circuit board and a second inclined surface inclined with respect to the second circuit board, and the two inclined surface converge in a direction toward a light exit side to reflect light incident thereon toward the light exit side.Type: GrantFiled: November 25, 2019Date of Patent: September 7, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongli Zhu, Lili Jia, Bochang Wang, Haiwei Sun
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Patent number: 11102888Abstract: At least one embodiment of the present disclosure relates to a substrate, a display panel and a fabrication method thereof, and a spliced screen. The substrate includes a base having a display region and a non-display region, and the non-display region includes a bonding region arranged at an end-side of the base.Type: GrantFiled: May 30, 2018Date of Patent: August 24, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Zhang, Lili Jia, Weihao Hu, Hao Zhou, Zheng Wang, Jin Han, Hai Chi, Yu Zhang
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Publication number: 20210124216Abstract: Disclosed are a backlight module and a display device. The backlight module includes a substrate; a first circuit board and a second circuit board thereon, a gap portion is between the two circuit boards; a blocking member for blocking the gap portion; and an optical sheet on a side of the blocking member facing away from the substrate, wherein the blocking member includes a blocking portion, a space is provided between the blocking portion and the optical sheet, an orthographic projection of the blocking portion on the substrate covers that of the gap portion, and wherein the blocking portion includes a first inclined surface inclined with respect to the first circuit board and a second inclined surface inclined with respect to the second circuit board, and the two inclined surface converge in a direction toward a light exit side to reflect light incident thereon toward the light exit side.Type: ApplicationFiled: November 25, 2019Publication date: April 29, 2021Inventors: Hongli Zhu, Lili Jia, Bochang Wang, Haiwei Sun
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Publication number: 20210018675Abstract: A light guide plate and a manufacturing method thereof, a backlight module, and a display device are provided. The light guide plate includes a light incident surface, a light reflection surface, and a light-emitting surface; the light reflection surface includes a first prism structure array, the first prism structure array includes first prisms arranged in sequence in a first direction, and the first direction is perpendicular to the light incident surface; the first prism structure array is configured to enable light emitted from the light incident surface to be emitted toward the light-emitting surface; and the light-emitting surface includes a second cylindrical structure array, the second cylindrical structure array includes second cylindrical structures arranged side by side in a second direction, the second direction is perpendicular to the first direction, and a first plane including the first direction and the second direction is perpendicular to the light incident surface.Type: ApplicationFiled: June 23, 2020Publication date: January 21, 2021Inventors: Honghao YU, Hao ZHOU, Lili JIA, Donglei LI, Hui LIU, Ying CHEN, Shanshan LIU
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Publication number: 20210003874Abstract: An optical film includes a light-transmissive substrate and a first annular lens group. The light-transmissive substrate has a first surface and a second surface opposite to each other. The first annular lens group is disposed on the second surface, and the first annular lens group is configured to allow light to pass through. The reflectivity of the first annular lens group decreases along a direction away from a central axis of the first annular lens group, and an extending direction of the central axis is the same as a thickness direction of the light-transmissive substrate.Type: ApplicationFiled: June 30, 2020Publication date: January 7, 2021Inventors: Ying CHEN, Shanshan LIU, Lili JIA, Bochang WANG, Donglei LI, Hui LIU, Honghao YU
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Patent number: 10613305Abstract: A tiled display panel and a tiled display device are disclosed. The tiled display panel includes: at least first and second adjacent display areas; a splice area disposed between the first and second adjacent display areas; a first optical element and a second optical element respectively disposed on the first and second display areas and located on two sides of the splice area; and a reflective element disposed on the splice area. Each of the first optical element and the second optical element is configured to direct at least a portion of light emitted from its respective display area to the reflective element, such that the at least a portion of light is reflected by the reflective element and then emitted out from the splice area.Type: GrantFiled: July 24, 2017Date of Patent: April 7, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Lili Jia, Hao Zhou, Weihao Hu, Liang Zhang, Yu Zhang
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Publication number: 20200029439Abstract: At least one embodiment of the present disclosure relates to a substrate, a display panel and a fabrication method thereof, and a spliced screen. The substrate includes a base having a display region and a non-display region, and the non-display region includes a bonding region arranged at an end-side of the base.Type: ApplicationFiled: May 30, 2018Publication date: January 23, 2020Inventors: Wei ZHANG, Lili JIA, Weihao HU, Hao ZHOU, Zheng WANG, Jin HAN, Hai CHI, Yu ZHANG
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Publication number: 20190361278Abstract: Embodiments of this disclosure discloses a liquid crystal display device including a liquid crystal panel and a chip on film, wherein the liquid crystal panel includes an array substrate and a color filter substrate which are arranged opposite to each other, an end face of the color filter substrate is flush with an end face of the array substrate, and the chip on film is located on the end faces of the color filter substrate and the array substrate.Type: ApplicationFiled: September 13, 2017Publication date: November 28, 2019Inventors: Lili JIA, Hao ZHOU, Wei ZHANG, Weihao HU
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Patent number: 10208918Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a plurality of first light sources and a diffusion plate. In a 3D display mode, the first light sources belong to different scanning areas, each of which corresponds to a display area. The backlight module further includes a barrier structure provided corresponding to the respective scanning areas and configured to prevent light emitted by first light sources in the scanning areas other than a current scanning area from entering into a display area corresponding to the current scanning area. In the backlight module of the present disclosure, the barrier structure is provided corresponding to each scanning area, which can prevent light emitted by first light sources in other scanning areas from entering into the display area corresponding to the current scanning area.Type: GrantFiled: August 27, 2014Date of Patent: February 19, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Lili Jia, Xiuyun Chen, Qing Ma, Daekeun Yoon
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Patent number: 9964683Abstract: The present disclosure discloses a light guide plate, a backlight module and a liquid crystal module. The light guide plate includes a plurality of light guide blocks; the light guide blocks are doped with scattering particles. Since the light guide plate includes a plurality of light guide blocks, this can simplify the cutting of the light guide plate and the making of grid points. The light guide blocks are doped with scattering particles, so that most of rays incident upon the light guide blocks are scattered in a preset direction and guided to a middle part and the light-far end of the backlight module to compensate the brightness of the middle part and the light-far end, thus making the brightness of the side light type backlight display uniform.Type: GrantFiled: July 24, 2014Date of Patent: May 8, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Yu Zhang, Wenwen Ma, Lili Jia, Qing Ma, Daekeun Yoon
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Publication number: 20180052312Abstract: A tiled display panel and a tiled display device are disclosed. The tiled display panel includes: at least first and second adjacent display areas; a splice area disposed between the first and second adjacent display areas; a first optical element and a second optical element respectively disposed on the first and second display areas and located on two sides of the splice area; and a reflective element disposed on the splice area. Each of the first optical element and the second optical element is configured to direct at least a portion of light emitted from its respective display area to the reflective element, such that the at least a portion of light is reflected by the reflective element and then emitted out from the splice area.Type: ApplicationFiled: July 24, 2017Publication date: February 22, 2018Inventors: Lili Jia, Hao Zhou, Weihao Hu, Liang Zhang, Yu Zhang
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Patent number: 9535203Abstract: The general inventive concepts provide a side-light type backlight unit. The side-light type backlight unit comprises a light guide plate and a light source located at the side of the light incident surface of the light guide plate. The light source comprises a circuit board which comprises a first region opposite to the light incident surface of the light guide plate and a second region adjacent to the first region. The first region and the second region are provided with LED lamps. By arranging LED lamps in both the first region and the second region of the circuit board of the side-light type backlight unit, the incident light of the side-light type backlight unit is increased, thereby improving the luminance of the side-light type backlight unit in 3D state. The disclosure further provides a display device comprising such a side-light type backlight unit.Type: GrantFiled: September 29, 2014Date of Patent: January 3, 2017Assignees: Boe Technology Group Co., Ltd., Beijing Boe Display Technology Co., Ltd.Inventors: Lili Jia, Wenjia Sun, Xiuyun Chen, Qing Ma, Daekeun Yoon
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Patent number: 9529174Abstract: The present invention provides a diffuser plate assembly. The diffuser plate assembly includes a first diffuser plate and a second diffuser plate located under the first diffuser plate, and a gap is formed therebetween. Correspondingly, the present invention also provides a backlight comprising the diffuser plate assembly and a display device comprising the backlight. Compared with the prior art, the diffuser plate assembly provided by the present invention can enable light emitted by a light source to irradiate a display panel more uniformly, and the thicknesses of the backlight and the display device can be reduced.Type: GrantFiled: July 31, 2014Date of Patent: December 27, 2016Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Hongli Zhu, Lili Jia, Zhidan Zhang, Daekeun Yoon