Hisense Laser Display Co., Ltd.

Hisense USA Corporation

Hisense International Co., Ltd.

Hisense Co., Ltd.

Qingdao Hisense Laser Display Co., Ltd.

Changming Yang

Xintuan Tian

Yun Zhao

Zhe Xing

Lei Cui

Naiwen Hou

Jianjun Li

Jian Zhang

Wensheng Lu

Qiang Zhong

Boyu Zhou

Youcai Chen

Haijun Yin

Jianchun Zhang

Wenbang Cai

Haitao Xu

Zhiyong Hu

Shijie Wang

Yongzhong Xu

Jinlong Huang

A projection screen and a projection apparatus are provided. The projection screen includes a base, a rolling mechanism, a lifting mechanism, an optical curtain and a tensioning mechanism. The rolling mechanism is disposed on the base. A first end of the lifting mechanism is fixedly connected to the base. A first end of the optical curtain is fixedly connected to the rolling mechanism, and a second end of the optical curtain is fixedly connected to a second end of the lifting mechanism. A tensioning mechanism is fixedly connected to the rolling mechanism and the second end of the lifting mechanism. The lifting mechanism is located between the optical curtain and the tensioning mechanism. The projection apparatus includes the above projection screen and an optical engine.

Projection screen and projection apparatus

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.

Laser light source and laser projection device

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.

Projector

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.

A projection screen includes a screen board, a connecting cloth, a screen frame, and at least one connecting member. The screen board has a first surface and a second surface opposite, the screen board has a light receiving region and an edge region surrounding the light receiving region. At least one edge of the connecting cloth protrudes from a corresponding edge of the screen board, and at least a portion of the second surface of the screen board located in the edge region is connected to the connecting cloth. The screen frame has a hollow structure, an orthographic projection of the screen board on a plane parallel to the first surface is located within an outer border of an orthographic projection of the screen frame on the plane. The at least one connecting member connects at least one edge of the connecting cloth to the screen frame.

Projection screen and projection system

The DMD assembly in present disclosure includes a base mounted on a first side of a driver board; a chip substrate; a DMD chip mounted on the chip substrate; and a fixing frame fixed with driver board on the first side; a second side of the base includes a mounting groove configured to mount the chip substrate; the fixing frame includes an insertion hole, and the base is received in the insertion hole; an elastic protrusion is positioned beside the inserting hole, and the elastic protrusion comprises a fixing portion and a pressing portion, the fixing portion is connected to the fixing frame on a side of the fixing frame facing away from the driver board, the pressing portion is positioned on the fixing portion; a surface of the pressing portion facing the chip substrate contacts the chip substrate to clamp the chip substrate against the base.

DMD assembly and DLP projection device

A wall-hung bracket for a projection screen is provided, including a guide rail, a slider and a lead screw. The guide rail is configured for being fixed on a wall along a vertical direction. The slider is slidingly connected to the guide rail. The slider is configured for being connected to a rear surface of a projection screen. The lead screw is provided with threads, and the lead screw is in threaded connection to the slider. When the lead screw rotates on its longitudinal axis, the slider slides in the vertical direction along the guide rail driven by the lead screw.

Wall-hung bracket for projection screen

The present disclosure relates to the field of optical and projecting technology, and particularly to a DMD assembly, DLP optical engine and DLP projection device. The DMD assembly includes a base, a driver board, a chip substrate with a DMD chip and a fixing frame, where a first side of the base is provided with a mounting groove for mounting the chip substrate, a second side of the base is attached to the driver board, and the first side is opposite to the second side; a conductive spring leaf on the base extends through a bottom of the mounting groove and is beyond the second side, so that the chip substrate is electrically connected to the driver board through the conductive spring leaf; the driver board is provided with a first through hole, and the fixing frame is provided with a second through hole; position of the first hole corresponds to position of the second hole, and the driver board and the fixing frame are fixed by a fastener extending through the first through hole and the second through hole; and the fixing frame is provided with an inserting hole, into which the base is inserted.

DMD assembly, DLP optical engine and DLP projection device

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Qingdao, China

Changming Yang