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公开(公告)号：US11237468B2
公开(公告)日：2022-02-01
申请号：US16820382
申请日：2020-03-16
发明人： Yun Zhao , Xintuan Tian
摘要： An laser projection apparatus includes: a laser projection apparatus housing, a laser source system disposed in the apparatus housing, and the laser source system including a first laser outlet, an optical engine disposed in the apparatus housing, and the optical engine including a second laser inlet and a third laser outlet, and the second laser inlet being connected to the first laser outlet; a lens system disposed in the apparatus housing, and one end of the lens system extending to the third laser outlet; and at least one circuit board. The lens system and the optical engine are disposed along a first direction of the apparatus housing to divide space in the apparatus housing into a first region and a second region.
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公开(公告)号：US11592145B2
公开(公告)日：2023-02-28
申请号：US16569628
申请日：2019-09-12
发明人： Xintuan Tian , Changming Yang , Yun Zhao , Lei Cui , Zhe Xing
IPC分类号： H01S5/042 , F21K9/20 , G03B21/20 , F21K9/90 , H01S5/02216 , F21Y115/30 , H05K1/18
摘要： Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly, where the laser assembly includes a laser and a circuit board, the laser includes a substrate and a light emitting chip arranged on the substrate, a lateral surface of the substrate is provided with a plurality of pins extending outwards therefrom, the circuit board is arranged on a side where the pins extend, and the circuit board is electrically connected to the pins. The laser light source of the present application features simple assembling and disassembling, reliable performance and relatively low cost.
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公开(公告)号：US11095090B2
公开(公告)日：2021-08-17
申请号：US16026963
申请日：2018-07-03
发明人： Longfei Shi , Xintuan Tian
摘要： A laser module includes an encapsulating support, at least one laser, a sealing gasket, and a pressing plate. Each laser includes a supporting plate and a laser body that is fixed to the supporting plate. The supporting plate is fixed on the encapsulating support, and a surface of an end of the laser body away from the supporting plate is a light exit end face. The sealing gasket is located on a surface of the supporting plate close to the light exit end face, and the sealing gasket has a first opening at a position corresponding to the laser body. A pressing plate is located on a surface of the sealing gasket away from the supporting plate; the pressing plate is fixedly connected to the encapsulating support, and the pressing plate has a second opening at a position corresponding to the first opening.
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公开(公告)号：US12078814B2
公开(公告)日：2024-09-03
申请号：US17587515
申请日：2022-01-28
发明人： Wei Li , Youliang Tian , Xintuan Tian
CPC分类号： G02B27/143 , G02B26/06 , G02B27/0933 , G02B27/0938 , G02B27/14 , G03B21/008 , G03B21/2013 , G03B21/2033 , G03B21/2073 , G03B21/208 , H01S5/4012 , H01S5/4093 , H01S5/005
摘要： A laser projector includes a laser assembly, a beam combination mirror group and a phase delaying component. The laser assembly includes a red laser light emitting region, a blue laser light emitting region and a green laser light emitting region. Red laser light is polarized in a first direction, green laser light is polarized in a second direction, and blue laser light is polarized in a third direction. The beam combination mirror group combines the red laser light, the blue laser light and the green laser light. The phase delaying component is on a light emitting path of at least one of the red laser light, the blue laser light the green laser light, and changes a polarization direction of the at least one of the red laser light, the blue laser light or the green laser light before being output by the beam combination mirror group.
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公开(公告)号：US20200227880A1
公开(公告)日：2020-07-16
申请号：US16702438
申请日：2019-12-03
发明人： Xintuan Tian , Changming Yang , Yun Zhao , Lei Cui , Zhe Xing
摘要： Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly, where the laser assembly includes a laser and a circuit board, the laser includes a substrate and a light emitting chip arranged on the substrate, a lateral surface of the substrate is provided with a plurality of pins extending outwards therefrom, the circuit board is arranged on a side where the pins extend, and the circuit board is electrically connected to the pins. The laser light source of the present application features simple assembling and disassembling, reliable performance and relatively low cost.
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公开(公告)号：US20190288480A1
公开(公告)日：2019-09-19
申请号：US16026963
申请日：2018-07-03
发明人： Longfei Shi , Xintuan Tian
摘要： A laser module includes an encapsulating support, at least one laser, a sealing gasket, and a pressing plate. Each laser includes a supporting plate and a laser body that is fixed to the supporting plate. The supporting plate is fixed on the encapsulating support, and a surface of an end of the laser body away from the supporting plate is a light exit end face. The sealing gasket is located on a surface of the supporting plate close to the light exit end face, and the sealing gasket has a first opening at a position corresponding to the laser body. A pressing plate is located on a surface of the sealing gasket away from the supporting plate; the pressing plate is fixedly connected to the encapsulating support, and the pressing plate has a second opening at a position corresponding to the first opening.
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公开(公告)号：US20240248383A1
公开(公告)日：2024-07-25
申请号：US18595241
申请日：2024-03-04
发明人： Jianjun Li , Xintuan Tian , Wei Li , Youliang Tian , Xianrong Liu , Xiaoqiang Gu
IPC分类号： G03B21/20
CPC分类号： G03B21/2033 , G03B21/208
摘要： Provided is a laser projection apparatus. The laser projection apparatus includes a light source assembly, a light-modulating assembly, and a projection lens. The light source assembly includes a base plate, a frame, a plurality of light-emitting chips, a metal ring structure, a metal cover plate, and a light-transmitting layer. The frame is disposed on the base plate, and an accommodating space is defined between the base plate and the frame, and a material of the frame is ceramic. The plurality of light-emitting chips are disposed in the accommodating space and configured to emit laser light. The metal ring structure is configured to be fixed to the frame. An outer edge of the metal cover plate is fixed to one side of the metal ring structure distal from the base plate. An edge of the light-transmitting layer is fixed to an inner edge of the metal cover plate.
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公开(公告)号：US12040591B2
公开(公告)日：2024-07-16
申请号：US18107970
申请日：2023-02-09
发明人： Xintuan Tian , Changming Yang , Yun Zhao , Lei Cui , Zhe Xing
IPC分类号： H01S5/02 , F21K9/20 , F21K9/90 , G03B21/20 , H01S5/02216 , H01S5/0239 , H01S5/042 , F21Y115/30 , H05K1/18
CPC分类号： H01S5/0239 , F21K9/20 , F21K9/90 , G03B21/2033 , G03B21/204 , H01S5/02216 , H01S5/042 , F21Y2115/30 , H05K1/183
摘要： Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly and a light combination mirror assembly. The laser assembly includes at least a laser, a light emitting surface of the laser has a plurality of light emitting regions, and beams emitted from different ones of the plurality of light emitting regions are in different colors. The light combination mirror assembly includes a plurality of mirrors that are sequentially arranged along an optical transmission path of the laser, with each of the mirrors corresponding to one of the light emitting regions. The light combination mirror assembly is used to converge the beams in different colors emitted from the laser to form a white beam.
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公开(公告)号：US11822219B2
公开(公告)日：2023-11-21
申请号：US17361652
申请日：2021-06-29
发明人： Boyu Zhou , Changming Yang , Xintuan Tian , Wenbang Cai , Haijun Yin , Jian Zhang
CPC分类号： G03B21/145 , G03B21/142 , G03B21/2066
摘要： A projector includes a shell, a light source, an optical machine, a projection lens and an auxiliary positioning device. The light source is configured to provide illumination beams. The optical engine is configured to modulate the illumination beams based on received image signals to obtain projection beams. The projection lens is configured to project the projection beams on a projection plane for imaging. The auxiliary positioning device is connected to the shell and is configured to locate a position the projector. The auxiliary positioning device includes a positioning rod which includes a first end and a second end opposite to the first end; the first end of the positioning rod is connected to the shell, and the second end of the positioning rod is configured to abut against a reference object that is at a fixed position relative to the projection plane.
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公开(公告)号：US11570411B2
公开(公告)日：2023-01-31
申请号：US16702438
申请日：2019-12-03
发明人： Xintuan Tian , Changming Yang , Yun Zhao , Lei Cui , Zhe Xing
IPC分类号： H01S5/02253 , H01S5/40 , H01S5/024 , H01S5/00 , H01S5/02255 , H01S5/02216 , H04N9/31
摘要： Embodiments of the present application provide a laser light source and a laser projection device. The laser light source includes a laser assembly, where the laser assembly includes a laser and a circuit board, the laser includes a substrate and a light emitting chip arranged on the substrate, a lateral surface of the substrate is provided with a plurality of pins extending outwards therefrom, the circuit board is arranged on a side where the pins extend, and the circuit board is electrically connected to the pins. The laser light source of the present application features simple assembling and disassembling, reliable performance and relatively low cost.
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