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公开(公告)号：US12007662B1
公开(公告)日：2024-06-11
申请号：US18204640
申请日：2023-06-01
Applicant: Shanghai Tianma Micro-electronics Co., Ltd.
CPC classification number: G02F1/29 , G02B30/33 , G02F2201/30 , G02F2203/12
Abstract: A liquid crystal grating and a holographic display device are provided. The liquid crystal grating includes grating electrode groups. The grating electrode group includes grating electrodes. Operation states of the liquid crystal grating include a first mode and a second mode. In the first mode, a first voltage of a first polarity is provided to the grating electrode, and an average voltage value of the first voltage is |V1|. In the second mode, a second voltage of a second polarity is provided to the grating electrode, and an average voltage value of the second voltage is |V2|, with |V1| N2.
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公开(公告)号：US11522007B2
公开(公告)日：2022-12-06
申请号：US16911087
申请日：2020-06-24
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Xiaoyue Su , Yang Zeng , Shihao Tang
Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate; a plurality of micro-LED groups located on the base substrate, wherein each of the plurality of micro-LED groups includes at least three micro-LEDs, and at least two micro-LEDs of each said micro-LED group have their longer sides arranged in different directions; and a shielding layer comprising a plurality of apertures located in shielding portions, wherein the shielding portions are located between adjacent micro-LEDs, and wherein the plurality of apertures each correlates one of the micro-LEDs.
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公开(公告)号：US11521419B2
公开(公告)日：2022-12-06
申请号：US16731072
申请日：2019-12-31
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yang Zeng , Feng Lu , Haochi Yu , Xiaoyue Su
IPC: G06V40/13 , G09G3/3225 , G06V10/141 , G06V10/147 , H01L27/32
Abstract: A display device and a fingerprint recognition method are provided. The fingerprint recognition device includes at least two photosensitive regions receiving different colors of light, and the color of the light received by one photosensitive region corresponds to the emitted color of the light emitting sub-pixel in one color.
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公开(公告)号：US20220328797A1
公开(公告)日：2022-10-13
申请号：US17850224
申请日：2022-06-27
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yang Zeng , Shihao Tang , Yaodong Wu , Yanbo Lou , Shengtao Zhu
Abstract: A display panel and a display apparatus are provided. The display panel includes an anti-reflection film located at a light-exiting side of the display panel. A reflectivity of the anti-reflection film for light having a first wavelength is smaller than a reflectivity of the anti-reflection film for light having a second wavelength, and the first wavelength is different from the second wavelength.
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公开(公告)号：US11462660B2
公开(公告)日：2022-10-04
申请号：US17145887
申请日：2021-01-11
Inventor： Yang Zeng , Shihao Tang , Yaodong Wu , Xuelin Fan
IPC: H01L33/20 , H01L25/075 , H01L33/62
Abstract: Disclosed are a display panel and a display device. The display panel includes a first substrate and a light-emitting substrate disposed opposite to each other. The first substrate includes a first base and a baffle wall layer, the first base includes a display region, and the baffle wall layer is located on a side of the first substrate and in the display region. The light-emitting substrate includes a second base, a eutectic layer and multiple micro light-emitting diodes. The eutectic layer is located on a side of the second base close to the first substrate. The multiple micro light-emitting diodes are located on a side of the eutectic layer close to the first substrate. The eutectic layer includes a first eutectic layer subsection and a second eutectic layer subsection, the first eutectic layer subsection is electrically connected to multiple micro light-emitting diodes.
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Patent Agency Ranking
公开(公告)号：US11348359B2
公开(公告)日：2022-05-31
申请号：US16453994
申请日：2019-06-26
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yang Zeng , Feng Lu , Haochi Yu , Qing Zhang
IPC: G06V10/147 , G06V40/13 , H01L27/146 , G02B5/30 , G06V10/141
Abstract: Display panel, display apparatus and method for fingerprint recognition are provided. The display panel includes a base layer, a light-emitting layer and a light-shielding layer having at least first and second imaging pinholes. The second imaging pinhole is disposed between two adjacent first imaging pinholes. The display panel further includes a light-sensitive fingerprint sensor layer and a fingerprint recognition light source generating first light during a first time period and second light during a second time period. The first light passes through the first imaging pinholes and the second imaging pinholes do not allow the first light to pass through, and the second light passes through the second imaging pinholes and the first imaging pinholes do not allow the second light to pass through.
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公开(公告)号：US11271183B2
公开(公告)日：2022-03-08
申请号：US16601196
申请日：2019-10-14
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yang Zeng , Feng Lu , Haochi Yu , Xiaoyue Su
IPC: H01L51/00 , H01L51/52 , G06F1/16 , G06K9/00 , G09G3/3266 , G09G3/3275 , H01L27/32 , H01L51/50
Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, drive circuits, a light-blocking layer, organic light-emitting units, and fingerprint recognition units. Via holes and imaging apertures are formed in the light-blocking layer. The via holes include first via holes in communication with the imaging apertures and second via holes. Each of the first organic light-emitting units includes a first anode, and each of the second organic light-emitting units includes a second anode. The first anode and the second anode are electrically connected to the drive circuits through the first via holes or through the second via holes. In a first direction, a distance between an edge of the first anode facing close to the imaging aperture and a center of the first via hole is smaller than a distance between an edge of the second anode and a center of the second via hole.
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公开(公告)号：US20220005791A1
公开(公告)日：2022-01-06
申请号：US17479226
申请日：2021-09-20
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Quanpeng Yu , Yang Zeng
IPC: H01L25/075 , H01L33/58 , H01L33/60 , H01L33/62
Abstract: Provided are a display panel and a preparation method of the display panel. The display panel includes a first substrate and a second substrate which are disposed opposite to each other, a plurality of light-emitting elements arranged between the first substrate and the second substrate and a plurality of auxiliary structures arranged between the first substrate and the second substrate; where the plurality of auxiliary structures surround the plurality of light-emitting elements and each auxiliary structure is provided with a notch structure on a side of the each auxiliary structure close to a respective one of the plurality of light-emitting elements and on a side of the each auxiliary structure close to a light-emitting surface of the display panel.
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公开(公告)号：US11133357B2
公开(公告)日：2021-09-28
申请号：US16541856
申请日：2019-08-15
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yang Zeng , Feng Lu , Haochi Yu , Xiaoyue Su
IPC: H01L27/32 , G06K9/00 , H01L27/146
Abstract: Display panel and display device are provided. The display panel includes fingerprint recognition units, a substrate, drive circuits, and organic light-emitting units. A distance between two adjacent drive circuits in each drive circuit group is less than a distance between two adjacent drive circuits in two adjacent drive circuit groups along a first direction. The drive circuits from a first row to an i-th row is a first drive circuit, and the drive circuits from a j-th row to an M-th row is a second drive circuit. A first direction component, along the first direction, of each of vias that correspond to at least a portion of the first drive circuit pointing to a first corresponding electrically-connected anode, and a second direction component, along the first direction, of each of vias that correspond to at least a portion of the second drive circuit pointing to a second corresponding electrically-connected anode, are opposite components.
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公开(公告)号：US11093092B2
公开(公告)日：2021-08-17
申请号：US16600748
申请日：2019-10-14
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yang Zeng , Feng Lu , Haochi Yu , Qing Zhang
Abstract: Provided are a display panel and a display device. The display panel includes a fingerprint identification module, a light-blocking layer, a light-emitting device layer and a touch function layer which are sequentially stacked, where the light-blocking layer includes a plurality of imaging apertures; and the touch function layer includes a plurality of first touch areas and a plurality of second touch areas. The plurality of first touch areas do not overlap with imaging aperture identification areas, and the plurality of second touch areas overlap with at least one of the imaging aperture identification areas. Reflectivity of the second touch area is smaller than reflectivity of the first touch area; or transmittance of the second touch area is greater than transmittance of the first touch area; or light transmission uniformity of the second touch area is greater than light transmission uniformity of the first touch area.
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