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公开(公告)号：US12213369B2
公开(公告)日：2025-01-28
申请号：US18346453
申请日：2023-07-03
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Feng Lu , Yang Zeng , Yaodong Wu
IPC: H10K59/60 , G01J1/04 , G01J1/42 , G01J1/44 , G06V40/12 , G06V40/13 , G09G3/32 , H10K39/34 , H10K59/35 , H10K59/38 , H10K59/65 , H10K59/80
Abstract: A display panel including light-sensing devices and light-detection circuits. The light-detection circuit includes a sensing module, a reading module, and a resetting module. The sensing module includes a control terminal electrically connected to the light-sensing device and the resetting module, an input terminal electrically connected to a first signal line, and an output terminal electrically connected to the reading module. Further, a first light-sensing device is electrically connected to the control terminal of the sensing module in a first light-detection circuit, and a second light-sensing device is electrically connected to the control terminal of the sensing module in a second light-detection circuit. The second light-detection circuit further includes a first capacitor, and the first capacitor is electrically connected to the control terminal of the sensing module in the second light-detection circuit.
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公开(公告)号：US12185577B2
公开(公告)日：2024-12-31
申请号：US17521834
申请日：2021-11-08
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Shihao Tang , Yang Zeng , Haochi Yu , Yaodong Wu , Feng Lu , Qijun Yao , Jiaxian Liu , Ping An
IPC: H01L51/52 , H10K50/86 , H10K59/122
Abstract: Provided are a display panel and a display device, where the display panel includes a first light-emitting unit and a first color-resist block which are correspondingly disposed, where the first color-resist block includes a first display color-resist block and a first imaging color-resist block, the first light-emitting unit includes a first boundary and a second boundary which are disposed opposite to each other, the first boundary is located on a side of the second boundary near the first imaging color-resist block, the first display color-resist block includes a first edge and a second edge which are disposed opposite to each other, the first edge is located on a side of the second edge near the first imaging color-resist block, and a maximum distance between the first boundary and the first edge is greater than a maximum distance between the second boundary and the second edge.
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公开(公告)号：US12204225B2
公开(公告)日：2025-01-21
申请号：US18115093
申请日：2023-02-28
Applicant: Shanghai Tianma Micro-electronics Co., Ltd.
Inventor： Yang Zeng , Feng Lu , Wanlong Guo , Yaodong Wu
Abstract: A holographic display system, a holographic display method and an electronic device are provided. The holographic display system includes a backlight module configured to emit a backlight beam, a spatial light modulator configured to perform phase and amplitude modulations on the backlight beam, and a plurality of liquid crystal grating modules that are sequentially arranged in a first direction. Based on a polarization direction of incident light, a liquid crystal grating module is capable of changing or maintaining a propagation direction of the incident light. A first optical rotator disposed on a light-incident side of the liquid crystal grating module is capable of rotating the polarization direction of the incident light, to make at least one liquid crystal grating module change the propagation direction of the incident light, and at least one liquid crystal grating module do not change the propagation direction of the incident light within a preset duration.
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公开(公告)号：US12197680B2
公开(公告)日：2025-01-14
申请号：US18142151
申请日：2023-05-02
Applicant: Shanghai Tianma Micro-electronics Co., Ltd.
Inventor： Feng Lu , Yaodong Wu , Yang Zeng
Abstract: A display panel and a display device are provided. The display panel includes a substrate; light-emitting devices on a side of the substrate; photosensitive devices on the side of the substrate same as the light-emitting devices; and touch electrodes on a side of the photosensitive devices away from the substrate. The display panel includes a light-emitting region and a non-light-emitting region. The light-emitting devices correspond to the light-emitting region; and the photosensitive devices are disposed in the non-light-emitting region.
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公开(公告)号：US12235549B1
公开(公告)日：2025-02-25
申请号：US18623269
申请日：2024-04-01
Applicant: Shanghai Tianma Micro-electronics Co., Ltd.
Inventor： Yang Zeng , Yaodong Wu
IPC: G03H1/22 , G02B30/25 , G02F1/1335 , G02F1/13363 , G02F1/1337 , G02F1/1347
Abstract: A spatial light modulator and a holographic 3D display device are provided. The spatial light modulator includes a first liquid crystal panel configured to adjust a phase of first light; a second liquid crystal panel configured to adjust an amplitude of the first light, located on one side of the first liquid crystal panel; a quarter-wave plate located on a side of the second liquid crystal panel away from the first liquid crystal panel; and a polarizer located on a side of the quarter-wave plate away from the first liquid crystal panel. A difference between a refractive index of second liquid crystal molecules along a direction of the liquid crystal optical axis and a refractive index perpendicular to the direction of the liquid crystal optical axis is Δn, a thickness of the second liquid crystal layer is d, a wavelength of the first light is λ1, and 0.5λ1≤Δn×d≤0.75λ1.
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Patent Agency Ranking
公开(公告)号：US12027550B2
公开(公告)日：2024-07-02
申请号：US17405298
申请日：2021-08-18
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yaodong Wu , Yang Zeng
IPC: H01L27/146 , H10K59/38 , H10K59/65 , G06V40/13
CPC classification number: H01L27/14623 , H01L27/14678 , H10K59/38 , H10K59/65 , G06V40/1318
Abstract: Provided is a display panel having a display region and a non-display region, and the display panel includes: a substrate; light-emitting elements disposed at a side of the substrate and located in the display region, each of light-emitting elements includes a light-emitting layer; and a light-shielding layer disposed at a side of the light-emitting elements facing away from the substrate, the light-shielding layer includes first apertures, and in a direction perpendicular to the substrate, each first aperture does not overlap with the light-emitting layer. In an embodiment, a distance between a first point on an edge of a first orthographic projection and a second point on an edge of a second orthographic projection is defined as a distance L, which satisfies
L
≥
d
×
sin
θ
n
2
-
sin
2
θ
,
where d denotes a distance between the light-emitting layer and the light-shielding layer, n denotes a refractive index of a functional film layer, θ denotes a visible angle and 0°-
公开(公告)号：US11805675B2
公开(公告)日：2023-10-31
申请号：US17445551
申请日：2021-08-20
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yaodong Wu , Yang Zeng , Shucheng Ge , Yu Cai
IPC: H01L29/205 , H10K50/858 , H10K59/126 , G06V40/13 , G06V10/145 , H01L25/18 , H10K59/65
CPC classification number: H10K50/858 , H10K59/126 , G06V10/145 , G06V40/1318 , H01L25/18 , H10K59/65
Abstract: A display panel and a display device are provided. The display panel includes a substrate an array layer on the substrate; a display layer located on a side of the array layer away from the substrate, wherein the display layer includes a plurality of light-emitting devices; an optical layer located on a side of the display layer away from the array layer, wherein the optical layer includes a first optical structure, and the first optical structure is arranged corresponding to intervals between the plurality of light-emitting devices; and a first light-shielding member located on a side of the optical layer facing the substrate, wherein the first light-shielding member forms a light pass opening, and the light pass opening and the first optical structure overlap each other.
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公开(公告)号：US12200967B2
公开(公告)日：2025-01-14
申请号：US18466313
申请日：2023-09-13
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yaodong Wu , Yang Zeng , Shucheng Ge , Yu Cai
IPC: H10K59/12 , H10K50/858 , H10K59/126 , G06V10/145 , G06V40/13 , H01L25/18 , H10K59/65
Abstract: A display panel includes a substrate; an array layer on the substrate; a display layer located on a side of the array layer away from the substrate, where the display layer includes a plurality of light-emitting devices; an optical layer located on a side of the display layer away from the array layer, wherein the optical layer includes a first optical structure, and at least a portion of the first optical structure is arranged corresponding to intervals between the plurality of light-emitting devices; and a light-shielding member located on a side of the optical layer facing the substrate, where the light-shielding member includes a light pass area, and the light pass area and the first optical structure overlap each other.
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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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