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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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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：US10810397B2
公开(公告)日：2020-10-20
申请号：US16130723
申请日：2018-09-13
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yang Zeng , Lihua Wang , Haochi Yu , Qing Zhang , Lingxiao Du
Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; a fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate; and the array substrate includes a plurality of transparent regions and a plurality of non-transparent regions, the array substrate further includes a plurality of metal wires, a ratio of a line width of a portion of at least one of the metal wires disposed in at least one respective transparent region to a line width of a portion of the at least of the metal wires disposed in a respective non-transparent region is less than 1.
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公开(公告)号：US10579855B2
公开(公告)日：2020-03-03
申请号：US15875273
申请日：2018-01-19
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yang Zeng , Jun Ma , Qing Zhang , Lihua Wang , Liang Xie , Hong Ding , Lingxiao Du , Huiping Chai , Kang Yang , Qijun Yao
Abstract: Disclosed are a display panel and an electronic device. In a fingerprint recognition stage, at least one of the first and second organic light-emitting structures function as a light source of the fingerprint recognition unit; the emergent light of the at least one of the first and second organic light-emitting structures has a first spectral range, the transmission spectral range of the first color filter film is a second spectral range, and the spectral range corresponding to visible light and near-infrared light is a third spectral range. The first spectral range is located within the second spectral range which is located within the third spectral range, light from at least a part of the wave band located within the third spectral range and outside the second spectral range is absorbed or reflected by the first color filter film.
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Patent Agency Ranking
公开(公告)号：US10483333B2
公开(公告)日：2019-11-19
申请号：US15678367
申请日：2017-08-16
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor： Yang Zeng , Xingyao Zhou , Lihua Wang , Qijun Yao
Abstract: A touch display panel and a touch display apparatus are provided. The touch display panel includes: a substrate; an organic light emitting device; at least one retaining wall, the width of which is 30˜200 μm; a thin film encapsulation layer covering the retaining wall, and a height difference between a first retaining wall and a part of the thin film encapsulation layer located between the first retaining wall and a display area is 0˜3 μm; and electrode wires, at least a part of at least one of the electrode wires is located at least in non-display areas of the substrate, is located at a side, which is facing away from the retaining wall, of the thin film encapsulation layer, and is arranged along an extension direction of the retaining wall, and projections of the electrode wires on the substrate are located within a projection of the retaining wall on the substrate.
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公开(公告)号：US10325967B2
公开(公告)日：2019-06-18
申请号：US15787481
申请日：2017-10-18
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yang Zeng , Qing Zhang , Lihua Wang , Liang Xie , Lingxiao Du , Hong Ding , Huiping Chai , Kang Yang , Qijun Yao
Abstract: Embodiments of the present disclosure provide a display apparatus, a fingerprint identification method thereof, and an electronic device. The display apparatus includes: an organic light emitting layer and a fingerprint identification array. The organic light emitting layer includes a plurality of organic light emitting configurations. In a fingerprint identification phase, the plurality of organic light emitting configurations are arranged to emit light according to a first light emitting lattice and shift. A distance between any two adjacent organic light emitting configurations in the first light emitting lattice is greater than or equal to a minimum crosstalk-free distance. The minimum crosstalk-free distance is a maximum radius of a covering region formed on the fingerprint identification array by the light emitted from any organic light emitting configuration and then reflected through the first surface of the cover plate.
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公开(公告)号：US10191581B2
公开(公告)日：2019-01-29
申请号：US15214952
申请日：2016-07-20
Inventor： Yang Zeng , Xingyao Zhou , Lihua Wang , Qijun Yao , Xiaoguang Zhu
Abstract: Disclosed is a folding display device comprising: a display panel. and a folding shaft. The display play can be configured to be folded along the display device. The folding shaft can be configured to partition the display panel into a first display portion and a second display portion, and a folding state detecting electrode is a capacitive detecting electrode and is provided on the first display portion and/or the second display portion. According to the disclosure, the problem of the prior art that a detecting unit in a folding display device is difficult to determine the specific degree of folding of the folding display device may be solved. Thereby, the degree of folding of a folding display device can be accurately detected.
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公开(公告)号：US09952736B2
公开(公告)日：2018-04-24
申请号：US15398717
申请日：2017-01-05
Inventor： Yang Zeng , Xingyao Zhou , Lihua Wang , Liang Liu
CPC classification number: G06F3/045 , G06F3/0412 , G06F3/0414 , G06F3/0416 , G06F2203/04105 , G06F2203/04111 , H01L27/3213 , H01L27/3225 , H01L27/323 , H01L27/3244 , H01L27/3276
Abstract: An OLED array substrate is provided. The OLED array includes multiple sub-pixels defined by multiple data lines and multiple scan lines, and a resistance-type pressure sensing element located in non-opening regions of the sub-pixels. The pressure sensing element includes multiple resistors. Each resistor has a serpentine wire structure. The serpentine wire structure includes a first sub-wire and a second sub-wire connected to two adjacent first sub-wires. Both the first sub-wire and the second sub-wire are located in non-opening regions of the sub-pixels on the OLED array substrate. The resistance-type pressure sensing element is arranged in a display region of the OLED array substrate without influencing the display effect of a display panel or a display device. An extension direction of a projection of the first sub-wire on an array substrate intersects with extension directions of projections of the data lines and the scan lines on the array substrate.
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10.发明授权公开(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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