Patents by Inventor Bochang Wang
Bochang Wang 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: 12353085Abstract: A backlight module is provided to include a back plate, and a light source, a middle frame, a diffuser plate, an optical film layer sequentially arranged in a direction away from the back plate; a light outgoing surface of the light source faces the diffuser plate; orthographic projections of the optical film layer, the diffuser plate and the light source on the back plate overlap with each other; an orthographic projection of the middle frame on the back plate overlaps with a peripheral edge of the back plate; the middle frame is connected to the peripheral edge; the orthographic projection of the middle frame on the back plate does not overlap with that of the light source; the middle frame includes a body structure and a first support portion, which have a one-piece structure; the body structure is on a side of the diffuser plate close to the back plate.Type: GrantFiled: May 31, 2022Date of Patent: July 8, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhanchang Bu, Qingshan Qu, Jixing Sun, Bochang Wang, Haijun Shi
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Patent number: 12353094Abstract: The embodiments of the present disclosure provide a display module and a middle frame, the display module includes a backlight module and a display panel, the backlight module includes a back plate, a first light source, a middle frame. The back plate includes a bottom plate, the first light source is on the bottom plate, the middle frame is between the bottom plate and the display panel. A side of the middle frame close to the display panel includes a first bearing portion and a second bearing portion, the first bearing portion is at an edge of the middle frame, a second light source is on the first bearing portion, the second bearing portion is on a side of the first bearing portion close to a display region of the display panel, the second bearing portion is connected to a position of the display panel corresponding to the display region.Type: GrantFiled: October 29, 2021Date of Patent: July 8, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bochang Wang, Shanlei Hou, Haijun Shi, Zhaoshou Tian, Xiaodi Sun, Hui Guo
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Publication number: 20250199360Abstract: A display module is provided in the embodiment of the present disclosure, the display module includes: a display panel and a middle frame, the display panel includes a liquid crystal cell and a quantum dot composite film, the quantum dot composite film is on a main surface of the liquid crystal cell; the middle frame is on a side of the quantum dot composite film away from the liquid crystal cell, in which a sealing structure is arranged on an edge of the quantum dot composite film, the sealing structure can prevent the water vapor from entering the quantum dot composite film, to reduce the risk of adverse problems such as module image bluing produced by an edge failure of the quantum dot composite film, which can avoid reducing the quality of the display module image, and will not affect the color gamut of the display panel.Type: ApplicationFiled: April 26, 2023Publication date: June 19, 2025Applicants: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Changjia FU, Xinrui WANG, Haijun SHI, Bochang WANG
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Patent number: 12332514Abstract: The present disclosure provides a display device, a splicing display device, the display device includes: a display panel including a display region and a non-display region surrounding the display region, the non-display region including a bonding region; a backlight module disposed opposite to the display panel; a tape layer located on a peripheral side of the display panel and the backlight module, and an orthographic projection of the tape layer on a plane where the display device is located is not overlapped with an orthographic projection of the display panel on the plane where the display device is located.Type: GrantFiled: February 22, 2023Date of Patent: June 17, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Dan Li, Zhaoshou Tian, Qingshan Qu, Haijun Shi, Hongbo Feng, Bochang Wang, Changjia Fu, Zhuang Xu
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Patent number: 12313930Abstract: A display device includes a display substrate including a display region and a bezel region surrounding the display region, a portion of bezel region serving as a binding region, the display substrate including a ground terminal; an opposite substrate opposite to the display substrate, the orthographic projection of opposite substrate exposes the binding region; the opposite substrate includes a black matrix, an electrostatic shielding layer; the black matrix includes a first opening of which the orthographic projection is in the bezel region, the first opening separates the black matrix in a first direction intersecting with the direction from the display region to the binding region; a conductive adhesive connecting the ground terminal and the electrostatic shielding layer, the orthographic projection of conductive adhesive is in the bezel region, the conductive adhesive in contact with the side of black matrix facing toward the binding region and perpendicular to the display substrate.Type: GrantFiled: June 30, 2022Date of Patent: May 27, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Qiaoke Zhou, Xiang Li, Bochang Wang, Guojian Qu, Tanhong Zhao, Gang Li, Hui Li
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Publication number: 20250147359Abstract: The present disclosure provides a backlight module, a display device and an assembled display device. The backlight module includes: a backplate (1), including a bottom wall (101); a light source (3), disposed on the bottom wall (1); an optical film layer, disposed opposite to the bottom wall (101) and located on a light emitting side of the light source (3); a middle frame, including a first frame body (4) and a second frame body (5), where the first frame body (4) is arranged around periphery of the bottom wall (101), the second frame body (5) is arranged on an inner side surface of the first frame body (4), and the second frame body (5) includes a transparent structure; and the optical film layer (6) is supported at one end of the second frame body (5) away from the bottom wall (101). The present disclosure can improve display effect.Type: ApplicationFiled: July 13, 2023Publication date: May 8, 2025Inventors: Haijun SHI, Changjia FU, Bochang WANG, Zhanchang BU, Hongbo FENG, Zhuang XU
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Patent number: 12292650Abstract: At least one embodiment of the present disclosure provides a display module, a splicing screen and a display device, the display module includes: a backlight module and a display component, the backlight module includes a middle frame, and an edge of the middle frame is provided with a support part that is detachable; an edge of the display component is adhesively bonded to the support part through a first adhesive, and the support part is configured to support the display component, the support part can be quickly disassembled from the middle frame through an independent structural design, such that the reworkability of the display module can be greatly improved without affecting the display component, so as to reduce production cost.Type: GrantFiled: May 31, 2022Date of Patent: May 6, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhaoshou Tian, Dan Li, Qingshan Qu, Shanlei Hou, Hongbo Feng, Haijun Shi, Bochang Wang
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Patent number: 12259609Abstract: A display device is provided, including: a display panel; a light guide component on a light entering side of the display panel; and a supporting assembly connected to the display panel and the light guide component. The supporting assembly is configured to support the display panel and the light guide component, and the supporting assembly includes: a frame body having a first supporting surface facing the display panel, the light guide component being fixed on the first supporting surface; and a light transmission portion on the first supporting surface and on an outer side of a side surface of the light guide component, the light transmission portion having a second supporting surface facing the display panel. The display panel is fixed on the second supporting surface, and the light transmission portion is configured to refract light so that the refracted light exits through the second supporting surface.Type: GrantFiled: September 21, 2022Date of Patent: March 25, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhaoshou Tian, Zhanchang Bu, Haijun Shi, Hongbo Feng, Dan Li, Qingshan Qu, Bochang Wang, Jixing Sun, Shanlei Hou
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Publication number: 20250093699Abstract: A display device includes a display substrate including a display region and a bezel region surrounding the display region, a portion of bezel region serving as a binding region, the display substrate including a ground terminal; an opposite substrate opposite to the display substrate, the orthographic projection of opposite substrate exposes the binding region; the opposite substrate includes a black matrix, an electrostatic shielding layer; the black matrix includes a first opening of which the orthographic projection is in the bezel region, the first opening separates the black matrix in a first direction intersecting with the direction from the display region to the binding region; a conductive adhesive connecting the ground terminal and the electrostatic shielding layer, the orthographic projection of conductive adhesive is in the bezel region, the conductive adhesive in contact with the side of black matrix facing toward the binding region and perpendicular to the display substrate.Type: ApplicationFiled: June 30, 2022Publication date: March 20, 2025Inventors: Qiaoke ZHOU, Xiang LI, Bochang WANG, Guojian QU, Tanhong ZHAO, Gang LI, Hui LI
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Patent number: 12253760Abstract: Disclosed are a display screen and a display apparatus, comprising: a transmissive liquid crystal panel comprising a displaying side and a non-displaying side arranged opposite to each other; a first polarizer arranged at the displaying side of the transmissive liquid crystal panel; a second polarizer arranged at the non-displaying side of the transmissive liquid crystal panel, a direction of a transmission axis of the first polarizer is perpendicular to that of the second polarizer; a scattering layer arranged between the transmissive liquid crystal panel and at least one of the first polarizer the second polarizer; a reflective polarizer arranged between the transmissive liquid crystal panel and the second polarizer. The disclosed display screen and the display apparatus have a relatively high transmittance and reflectivity, and can be used under different outdoor illuminations so as to realize environmentally friendly effects such as energy saving and emission reduction.Type: GrantFiled: June 25, 2021Date of Patent: March 18, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Jing Wang, Peng Li, Yangyang Cai, Chunbing Zhang, Xiang Li, Bochang Wang, Hetao Wang, Zhanchang Bu, Yu Zhang, Shou Li
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Publication number: 20250076566Abstract: A backlight assembly, a display panel and a display device. In the backlight assembly, a middle frame is at a side of the light guide plate close to the light emitting element, arranged along an edge of the light guide plate, and enables a part of the light emitted by the light emitting element to enter the frame area, the middle frame includes an outer part and an inner part including an transparent upper part; the upper part of the outer part and the upper part of the inner part are at least partially overlapped with each other in the vertical direction, and the lower part of the outer part is at a side of the upper part of the inner part close to the light emitting element in the vertical direction; the upper part of the outer part and the lower part of the outer part are transparent.Type: ApplicationFiled: November 29, 2022Publication date: March 6, 2025Inventors: Haijun SHI, Qingshan QU, Bochang WANG, Changjia FU, Tianyang HAN
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Publication number: 20250076713Abstract: The present disclosure provides a display device comprising: a display panel having a light-exiting upper surface, a lower surface opposite to the light-exiting upper surface and a plurality of side edge end surfaces between the light-exiting upper surface and the lower surface, and having a first group of bonding electrodes at a side where a first side edge end surface in the plurality of side edge end surfaces is located; a first flexible circuit board electrically connected to the first group of bonding electrodes; a first insulating protection layer at a side of the first flexible circuit board away from the first group of bonding electrodes, wherein its upper edge is higher than an upper edge of the first flexible circuit board, and its lower edge is lower than the first group of bonding electrodes; a first conductive layer; and a first adhesive layer. The present disclosure also provides a display apparatus comprising the display device and a composite adhesive tape for a display device.Type: ApplicationFiled: June 2, 2022Publication date: March 6, 2025Inventors: Yang Shi, Rui Guo, Bochang Wang, Xiaodi Sun, Tianyang Han
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Patent number: 12228822Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a light-emitting assembly, an optical processing assembly and a support structure located between the light-emitting assembly and the optical processing assembly and connected to the light-emitting assembly. The support structure includes a base and a support member, the base being fixedly connected to the light-emitting assembly. The support member has a supporting end and a connecting end. The supporting end faces the optical processing assembly. The connecting end and the base form a backout structure configured to cause the connecting end to back out in a direction away from the optical processing assembly in a case where the supporting end is squeezed by the optical processing assembly, so that can eliminate problems caused by stress concentration of an internal support structure when a backlight module is under pressure.Type: GrantFiled: April 28, 2022Date of Patent: February 18, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shanlei Hou, Zhaoshou Tian, Xiaodi Sun, Bochang Wang, Haijun Shi, Zhuang Xu, Changjia Fu, Xiangyu Yue
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Patent number: 12222538Abstract: A display device and a tiled display device are provided. The display device includes: a display panel; a backlight module located on an incident side of the display panel, and including a frame and a light guiding structure, where the frame includes a first supporting surface and a second supporting surface both facing the display panel, where the second supporting surface is located on a side of the first supporting surface away from the display panel, the first supporting surface is attached to a backlight surface of the display panel, and the second supporting surface is engaged with the light guiding structure. The assembling of the display panel and the backlight module can be achieved in the present disclosure.Type: GrantFiled: October 27, 2021Date of Patent: February 11, 2025Assignee: Beijing BOE Display Technology Co., Ltd.Inventors: Zhaoshou Tian, Dan Li, Hongbo Feng, Haijun Shi, Bochang Wang, Bin Wu, Qingshan Qu, Shanlei Hou
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Publication number: 20250028197Abstract: The present disclosure provides a display device, a splicing display device, the display device includes: a display panel including a display region and a non-display region surrounding the display region, the non-display region including a bonding region; a backlight module disposed opposite to the display panel; a tape layer located on a peripheral side of the display panel and the backlight module, and an orthographic projection of the tape layer on a plane where the display device is located is not overlapped with an orthographic projection of the display panel on the plane where the display device is located.Type: ApplicationFiled: February 22, 2023Publication date: January 23, 2025Inventors: Dan LI, Zhaoshou TIAN, Qingshan QU, Haijun SHI, Hongbo FENG, Bochang WANG, Changjia FU, Zhuang XU
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Publication number: 20250020961Abstract: Provided are a display panel and a manufacturing method thereof, a display device and a spliced display device. The display panel includes: a color filter substrate (11), an array substrate (12) and a first conductive portion (13), where a display region (AA) and a peripheral region (NA) are formed on the display panel, and the peripheral region (NA) surrounds the display region (AA); the array substrate (12) includes pixel circuits and a second conductive portion (14), where the pixel circuits are located in the display region (AA), and the second conductive portion (14) is located in the peripheral region (NA); the second conductive portion (14) is connected with the pixel circuits; the first conductive portion (13) is located on a side surface of the array substrate (12) and a side surface of the color filter substrate (11), and the first conductive portion (13) is connected with the second conductive portion (14).Type: ApplicationFiled: September 26, 2024Publication date: January 16, 2025Inventors: Bin WU, Wei ZHONG, Xiaodi SUN, Haijun SHI, Bochang WANG, Chunguang TIAN, Hongbo FENG
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Patent number: 12197077Abstract: There is provided a support frame (2), including: a first support structure (3) having a first support surface provided with a concave groove (301); and a light-transmitting structure (4) on the first support surface, including: an engaging portion (401) and a light-transmitting portion (402), which are connected to each other, with the engaging portion (401) located in the groove (301) and fixed with the groove (301) by engagement, the light-transmitting portion (402) located outside the groove (301) and having a second support surface on a side of the light-transmitting portion (402) opposite to the engaging portion (401), and the second support surface configured to support a display panel (1).Type: GrantFiled: October 28, 2021Date of Patent: January 14, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhanchang Bu, Haijun Shi, Bochang Wang
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Publication number: 20250006141Abstract: A display device and a display driving method are provided. In a display module, sub-pixels of a same color in adjacent rows are arranged in a staggered manner. The method includes: pre-storing a correspondence between a position of a sub-pixel in a bright-dark boundary region and a corresponding target gray-scale value, wherein a distance between the bright-dark boundary region and a boundary line of bright and dark pixels is within a predefined threshold, the bright and dark pixels are adjacent sub-pixels whose initial gray-scale difference is greater than a first predetermined gray-scale difference, and the correspondence is that the closer the position of the sub-pixel is to the boundary line of the bright and dark pixels, the lower the target gray-scale value is; and determining a current gray-scale value of the sub-pixel in the bright-dark boundary region according to the pre-stored correspondence.Type: ApplicationFiled: October 31, 2022Publication date: January 2, 2025Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Changjia Fu, Dan Li, Haijun Shi, Bochang Wang, Wei Zhong, Qingshan Qu, Hongbo Feng
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Publication number: 20250004315Abstract: A backlight module is provided to include a back plate, and a light source, a middle frame, a diffuser plate, an optical film layer sequentially arranged in a direction away from the back plate; a light outgoing surface of the light source faces the diffuser plate; orthographic projections of the optical film layer, the diffuser plate and the light source on the back plate overlap with each other; an orthographic projection of the middle frame on the back plate overlaps with a peripheral edge of the back plate; the middle frame is connected to the peripheral edge; the orthographic projection of the middle frame on the back plate does not overlap with that of the light source; the middle frame includes a body structure and a first support portion, which have a one-piece structure; the body structure is on a side of the diffuser plate close to the back plate.Type: ApplicationFiled: May 31, 2022Publication date: January 2, 2025Inventors: Zhanchang BU, Qingshan QU, Jixing SUN, Bochang WANG, Haijun SHI
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Publication number: 20250004693Abstract: The present disclosure relates to a display device, a door body and a cabinet body. The display device includes: an information collecting assembly configured to collect environment information; a communication module configured to perform wireless-communication linking to an Internet-of-Things device, to transmit the environment information to the Internet-of-Things device, and receive multimedia information sent by the Internet-of-Things device; and a display module configured to display the multimedia information, wherein the multimedia information includes audio-video advertisement information.Type: ApplicationFiled: April 28, 2023Publication date: January 2, 2025Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiang Li, Zhanchang Bu, Bochang Wang, Shaoming Yan, Jing Wang, Guojian Qu, Gang Li, Hongtao Zhang, Ming Tian, Yuan Wang, Weibing Gong, Feng Zi, Yawei Chen, Fei Dong, Qiaoke Zhou, Feng Gao