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公开(公告)号：US20220365393A1
公开(公告)日：2022-11-17
申请号：US17284487
申请日：2021-03-31
Inventor： Rui HE , Wei CHENG , Changchih HUANG , Guanghui LIU
IPC: G02F1/13357 , G02F1/1333 , G02F1/1335 , G02F1/1334 , G06V40/13
Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a first optical element which can switch between a transparent state and a scattering state, first light sources, and a light-shielding layer disposed on a light path of light emitted from the first light sources to a liquid crystal display panel. The light-shielding layer includes a plurality of gratings arranged at intervals, each of the gratings is made of a light-shielding material, and one light transmission gap is formed between any two adjacent gratings, thereby improving uniformity of backlight.
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公开(公告)号：US20250035916A1
公开(公告)日：2025-01-30
申请号：US18550955
申请日：2023-06-30
Inventor： Huanli YANG , Rui HE
IPC: G02B25/00
Abstract: Embodiments of the present disclosure disclose display devices. The display device includes two optical machines. Each optical machine includes a display screen and an optical element. The display screen has a first lateral surface and a second lateral surface. The optical element has a first outline and a second outline. A minimum value of a distance between the first outline and an optical axis of the optical element is less than a minimum value of a distance between the second outline and the optical axis of the optical element. In the present disclosure, a size of the optical element may be reduced by arranging an inner side of the optical element as a special-shaped structure.
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公开(公告)号：US20240402849A1
公开(公告)日：2024-12-05
申请号：US18560150
申请日：2023-06-29
Inventor： Chuan SHUAI , Xingru CHEN , Rui HE
IPC: G06F3/041
Abstract: The present disclosure provides a display panel and a driving method thereof, and an electronic terminal. The display panel includes a drive circuit. The drive circuit includes a timing circuit configured to provide a frame synchronization signal having a frame period (including a plurality of sub-periods). Each sub-period includes a sub-charging time period and a sub-blanking time period. In a first type of frame period, a gate drive circuit and an electromagnetic touch drive circuit in the drive circuit are respectively configured to provide a display pulse during the sub-charging time period and provide an electromagnetic touch scanning signal during the sub-blanking time period.
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公开(公告)号：US20240248342A1
公开(公告)日：2024-07-25
申请号：US18011076
申请日：2021-12-15
Inventor： Wenlong YE , Wei CHENG , Rui HE
IPC: G02F1/1334 , G02F1/13 , G02F1/1335 , G02F1/1347
CPC classification number: G02F1/13345 , G02F1/1323 , G02F1/133531 , G02F1/13476
Abstract: The present application embodiment discloses a display panel and a display device. The display panel includes a first mode and a second mode. The viewing angle of the display panel in the first mode is smaller than the viewing angle of the display panel in the second mode; the dimming liquid crystal cell is overlapped with the viewing angle adjustment liquid crystal cell; in the second mode, the dimming liquid crystal cell is used to scatter the incoming light; the panel body is arranged on a light-emitting side of the viewing angle adjustment liquid crystal cell and the dimming liquid crystal cell.
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公开(公告)号：US20240126398A1
公开(公告)日：2024-04-18
申请号：US18082010
申请日：2022-12-15
Inventor： Chuan SHUAI , Rui HE , Guowei ZHA
IPC: G06F3/046 , G06F3/0354 , G06F3/041
CPC classification number: G06F3/046 , G06F3/03545 , G06F3/0412
Abstract: An electromagnetic touch device and an electromagnetic touch screen are provided. The electromagnetic touch device includes the electromagnetic touch screen. The electromagnetic touch screen is coupled with a stylus. The electromagnetic touch screen includes transmitting coils and receiving coils. The transmitting coils are correspondingly arranged in a peripheral area around the receiving coils. During interaction between the stylus and the electromagnetic touch screen, the transmitting coils transmit transmitting signals to generate a first magnetic field through which the stylus is charged. When a touch operation is performed, the receiving coils generate receiving signals according to a second magnetic field generated by the stylus, a touch point of the stylus is obtained according to the receiving signals.
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Patent Agency Ranking
公开(公告)号：US20240036380A1
公开(公告)日：2024-02-01
申请号：US17622728
申请日：2021-12-15
IPC: G02F1/1334 , G02F1/1343 , G02F1/13357
CPC classification number: G02F1/1334 , G02F1/134309 , G02F1/1336
Abstract: Embodiments of the present application disclose a display panel and a preparation method thereof, and a display device. The display panel comprises a polymer liquid crystal cell and a light source. The polymer liquid crystal cell comprises a first region close to the light source and a second region away from the light source, and the second region has a higher haze than the first region, thereby reducing the light emitting intensity close to the light source region and increasing the light emitting intensity away from the light source region, so that light guide and light emitting in each region of the polymer liquid crystal cell uniform.
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公开(公告)号：US20240019725A1
公开(公告)日：2024-01-18
申请号：US17605054
申请日：2021-09-07
Inventor： Rui HE , Wei CHENG , Changchih HUANG
IPC: G02F1/1335 , G02F1/137 , G02F1/1337 , G02F1/13357
CPC classification number: G02F1/133531 , G02F1/13706 , G02F1/13712 , G02F1/133753 , G02F1/133606 , G02F2413/08 , G02F2413/12
Abstract: The present disclosure discloses a privacy filter, a display panel, and a display device. The display panel includes a panel body, and a first polarizer, a dimming liquid crystal layer, and a second polarizer that are sequentially disposed on one side of the panel body. The dimming liquid crystal layer includes a plurality of polymer networks and a plurality of liquid crystal molecules distributed in the polymer networks, wherein the plurality of polymer networks are arranged in a first direction, the first direction tilts relative to a normal of the first polarizer, and an optical axis direction of the first polarizer is parallel to an optical axis direction of the second polarizer.
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公开(公告)号：US20240012295A1
公开(公告)日：2024-01-11
申请号：US17289014
申请日：2021-04-15
Inventor： Rui HE , Wei CHENG , Qian DENG , Changchih HUANG , Guanghui LIU
IPC: G02F1/1343 , G02F1/137 , G02F1/139
CPC classification number: G02F1/134309 , G02F1/13706 , G02F1/13712 , G02F1/1393 , G02F1/1396 , G02F2202/04
Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes a light source and a dye-doped liquid crystal panel. The light source is configured to provide light to the dye-doped liquid crystal panel; and the dye-doped liquid crystal panel includes a plurality of dye-doped liquid crystal units, which allow the light incident on themselves to pass through when in a first state and regulate the light incident on themselves when in a second state, thereby realizing regulation of backlight partitions in a pixel level and improving a contrast ratio of the liquid crystal display device.
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公开(公告)号：US20230185146A1
公开(公告)日：2023-06-15
申请号：US17623900
申请日：2021-12-20
Inventor： Xindong MEI , Rui HE , Wei CHENG , Wenlong YE
IPC: G02F1/137 , G02F1/1335 , G02F1/1334 , G02F1/1337
CPC classification number: G02F1/137 , G02F1/133531 , G02F1/13345 , G02F1/1337 , G02F2203/48 , G02F2202/28 , G02F2203/01
Abstract: A privacy film and a display device are provided. The privacy film comprises a liquid crystal dimming cell and a first polarizer. The liquid crystal dimming cell comprises two opposed substrates and a liquid crystal layer sandwiched between the two substrates. The liquid crystal layer comprises a plurality of liquid crystal molecules, and the plurality of liquid crystal molecules have the same fixed orientation angle, and an orthogonal projection of long axes of the liquid crystal molecules on the first substrate is perpendicular to an absorption axis of the first polarizer. As such, the brightness of the display screen will not be affected when looking up from the front, and the privacy-image protection effect for decreasing the brightness of the display screen when looking up from the side is achieved.
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公开(公告)号：US20230176414A1
公开(公告)日：2023-06-08
申请号：US17623904
申请日：2021-12-15
Inventor： Wei CHENG , Wenlong YE , Rui HE
IPC: G02F1/1335 , G02F1/1343
CPC classification number: G02F1/133512 , G02F1/133526 , G02F1/133531 , G02F1/134309
Abstract: Embodiments of the present application provides a display panel and a display device, the display panel includes a display panel body; a first dimming layer is disposed on one side of the display panel body, the first dimming layer includes a plurality of light shielding members and a plurality of light receiving members, the plurality of light shielding members are disposed at intervals, each light receiving member is disposed between two adjacent light shielding members; wherein the plurality of light receiving members is a lens structure in a first mode. A display effect of the display panel at a specific viewing angle is improved, and the display panel has an anti-peep function.
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