Hisense Laser Display Co., Ltd.

Zinan Zhou

Youliang Tian

Wei Li

Xin Zhang

Yunchen Lu

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.

Laser projection apparatus

Embodiments of the present disclosure provide a laser array, a laser source, and a laser projection device, and relate to the field of laser display technologies. The laser array includes a light emitting portion for emitting a laser light beam; a light transmitting portion disposed along a light emitting direction of the light emitting portion for transmitting the laser light beam; where the light transmitting portion includes a first light transmitting region and a second light transmitting region, the first light transmitting region and the second light transmitting region are disposed such that light beams transmitting through the two regions have different polarization directions, which can reduce coherence of the laser light beam emitted from the laser array, thereby facilitating elimination of a speckle.

Laser array, laser source and laser projection device

The present disclosure describes a laser assembly. The laser assembly includes a support comprising at least one mounting groove. The laser assembly includes at least one laser mounted in the at least one mounting groove in a one-to-one correspondence. Each of the at least one laser includes a light emitting component configured to emit a light beam. A beam-shaping component is disposed at a light path of the light emitting component. The beam-shaping component includes a light incident surface disposed close to the light emitting component, the light incident surface is configured to transmit the light beam emitted from the light emitting component toward an opening of the mounting groove, and the light incident surface is configured to change a divergence angle of the light beam along at least one of a fast axis direction or a slow axis direction of the light beam.

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Shandong, China

Zinan Zhou