公开(公告)号：US20230291173A1

公开(公告)日：2023-09-14

申请号：US18321257

申请日：2023-05-22

Applicant: HISENSE LASER DISPLAY CO., LTD.

Inventor： Zinan ZHOU ,  Youliang TIAN ,  Xin ZHANG ,  Yunchen LU ,  Jianjun LI ,  Xintuan TIAN ,  Qian SHAO

IPC: H01S5/0233 ,  H01S5/40 ,  H01S5/024 ,  H01S5/02315

CPC classification number: H01S5/0233 ,  H01S5/4025 ,  H01S5/02469 ,  H01S5/02315

Abstract: Provided is a laser. The laser includes: a base plate, an annular side wall, a plurality of conductive pins, a plurality of light-emitting chips, and a plurality of conductive wires; wherein the side wall and the plurality of light-emitting chips are disposed on the base plate, the side wall surrounds the plurality of light-emitting chips, the plurality of conductive pins are extended through the side wall and are affixed into the side wall, and sides, distal from the base plate, of portions of the plurality of conductive pins surrounded by the side wall include planar regions, wherein the planar region of each of the plurality of conductive pins is connected to the light-emitting chip via the conductive wire.

公开(公告)号：US20240022696A1

公开(公告)日：2024-01-18

申请号：US18476085

申请日：2023-09-27

Applicant: HISENSE LASER DISPLAY CO., LTD

Inventor： Xin ZHANG ,  Youliang TIAN ,  Ke YAN ,  Zinan ZHOU ,  Yao LU

IPC: H04N9/31

CPC classification number: H04N9/3161 ,  H04N9/3155 ,  H04N9/3164

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device. The laser device includes a base plate, a frame, a first light-emitting chip, a first reflecting portion, a first collimating portion, and a light homogenizing component. The first light-emitting chip is configured to emit a first laser beam. The first collimating portion is located in a sealed space and configured to collimate the first laser beam, so as to transmit the first laser beam to the light homogenizing component in a direction perpendicular to the base plate. The light homogenizing component is disposed on a side of the frame away from the base plate and configured to homogenize the first laser beam and propagate the first laser beam out of the sealed space.

公开(公告)号：US20240128709A1

公开(公告)日：2024-04-18

申请号：US18391280

申请日：2023-12-20

Applicant: HISENSE LASER DISPLAY CO., LTD

Inventor： Jianjun LI ,  Xin ZHANG ,  Youliang TIAN ,  Xintuan TIAN

IPC: H01S5/02216 ,  G03B21/20 ,  H01S5/02253 ,  H01S5/02257 ,  H01S5/02315 ,  H01S5/40

CPC classification number: H01S5/02216 ,  G03B21/2033 ,  H01S5/02253 ,  H01S5/02257 ,  H01S5/02315 ,  H01S5/4031 ,  H01S5/02255

Abstract: A laser device includes a shell, an upper cover assembly, a plurality of light-emitting assemblies, and a plurality of conductive pins. The shell includes a base plate, a frame body, and a first flange. The first flange is bent relative to the frame body and is fixedly connected to the base plate. The upper cover assembly is fixed to the shell. The plurality of light-emitting assemblies are disposed on the base plate. Any one of the plurality of conductive pins is electrically connected to a light-emitting assembly. The frame body includes a plurality of flanging holes. A depth of any one of the plurality of flanging holes is greater than a thickness of the frame body. A portion of the any one of the plurality of conductive pins is located at an outside of the accommodating space through a corresponding flanging hole.

公开(公告)号：US20230007218A1

公开(公告)日：2023-01-05

申请号：US17943608

申请日：2022-09-13

Applicant: Hisense Laser Display Co., Ltd

Inventor： Youliang TIAN ,  Zinan ZHOU ,  Xin ZHANG ,  Yunchen LU

IPC: H04N9/31 ,  G03B21/20

Abstract: The laser projection apparatus includes a laser source, an optical engine and a projection lens. The laser source includes a base plate, a plurality of light-emitting components and a reflecting portion. The plurality of light-emitting components include a first light-emitting component and a second light-emitting component. The polarization direction of the laser beam emitted by one of the first light-emitting component and the second light-emitting component is parallel to the base plate, and the polarization direction of the laser beam emitted by another of the first light-emitting component and the second light-emitting component is perpendicular to the base plate. The reflecting prism is configured to change a polarization polarity of one of the laser beam with the polarization direction perpendicular to the base plate or the laser beam with the polarization direction parallel to the base plate.

公开(公告)号：US20240332889A1

公开(公告)日：2024-10-03

申请号：US18740768

申请日：2024-06-12

Applicant: HISENSE LASER DISPLAY CO., LTD

Inventor： Ke YAN ,  Youliang TIAN ,  Wei LI ,  Zinan ZHOU ,  Yao LU ,  Xin ZHANG

IPC: H01S5/02253 ,  G03B21/20 ,  H01S5/02255 ,  H01S5/0239 ,  H01S5/024 ,  H01S5/40

CPC classification number: H01S5/02253 ,  H01S5/02255 ,  H01S5/0239 ,  H01S5/02469 ,  H01S5/4031 ,  H01S5/4093 ,  G03B21/2033

Abstract: A laser device and a laser source assembly are provided. The laser device includes a base, a plurality of frames, a plurality of groups of laser chips, and a plurality of collimating lens groups. Any frame is correspondingly provided with a group of laser chips. Any group of laser chips includes a plurality of laser chips. Any collimating lens group includes a plurality of collimating lenses. The plurality of collimating lenses correspond to the plurality of laser chips, respectively. Any collimating lens is located on a laser-exit path of a corresponding laser chip.

公开(公告)号：US20240178636A1

公开(公告)日：2024-05-30

申请号：US18319790

申请日：2023-05-18

Applicant: HISENSE LASER DISPLAY CO., LTD.

Inventor： Xin ZHANG ,  Youliang TIAN ,  Zinan ZHOU

IPC: H01S5/22 ,  H01S5/02253 ,  H01S5/02255 ,  H01S5/40

CPC classification number: H01S5/2202 ,  H01S5/4031 ,  H01S5/02253 ,  H01S5/02255

Abstract: A light-emitting device and a laser are provided. The light-emitting device includes a first electrode, a light-emitting layer, an insulating layer and a second electrode which are sequentially arranged in a first direction; the light-emitting layer comprises a light-emitting portion and a non-light-emitting portion, an end of the light-emitting portion in the first direction is in contact with the second electrode through a via hole in the insulating layer, another end of the light-emitting portion in the first direction is in contact with the first electrode, and the non-light-emitting portion is covered by the insulating layer; and a surface of the non-light-emitting portion covered by the insulating layer is provided with a groove, the groove extends along a boundary between the light-emitting portion and the non-light-emitting portion, and the groove is used to block movement of carriers in the light-emitting layer from the light-emitting portion to the non-light-emitting portion.

公开(公告)号：US20240027885A1

公开(公告)日：2024-01-25

申请号：US18477016

申请日：2023-09-28

Applicant: HISENSE LASER DISPLAY CO., LTD

Inventor： Wei LI ,  Youliang TIAN ,  Xianrong LIU ,  Xin ZHANG ,  Zinan ZHOU ,  Yao LU

IPC: G03B21/20

CPC classification number: G03B21/2033 ,  G03B21/2013 ,  G03B21/2066 ,  G03B21/2073

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device, and the laser device includes a base plate, at least one frame, and a plurality of light-emitting chips. At least one accommodating space is defined between the at least one frame and the base plate. A region of the base plate located in the at least one accommodating space includes a first region and a second region. The second region is located on at least one side of the first region. An operating parameter of each light-emitting chip in the first region is less than an operating parameter of each light-emitting chip in the second region, and the operating parameter includes at least one of a photothermal conversion efficiency or a wavelength of the emitted laser beam.

公开(公告)号：US20230025704A1

公开(公告)日：2023-01-26

申请号：US17936584

申请日：2022-09-29

Applicant: Hisense Laser Display Co., Ltd

Inventor： Youliang TIAN ,  Zinan ZHOU ,  Xin ZHANG ,  Yunchen LU

IPC: H01S5/024 ,  H01S5/00 ,  H01S5/0222 ,  H01S5/0237 ,  H01S5/042

Abstract: A laser device is provided. The laser device includes a bottom plate, a frame body, a heat sink and a light-emitting chip. The light-emitting chip is located on a surface of the heat sink away from the bottom plate. The light-emitting chip includes a plurality of first protrusions and/or a plurality of first depressions, the plurality of first protrusions and/or the plurality of first depressions are located on a first surface of the light-emitting chip; the heat sink includes a plurality of second depressions and/or a plurality of second protrusions, the plurality of second depressions and/or the plurality of second protrusions are located on a second surface of the heat sink; the plurality of first protrusions are located in the plurality of second depressions, and the plurality of second protrusions are located in the plurality of first depressions.