Patent · US Active

Laser projection apparatus

US11237468B2 · kind B2 · utility

2Cited by

0References

20Claims

0Family size

Assignee

Hisense Laser Display Co., Ltd · CN

Inventors

Yun Zhao · Nanhu, CN
Xintuan Tian · Shandong, CN

Key dates

Filing date	Mar 16, 2020
Grant date	Feb 1, 2022
Priority date	—
Expiry date	Apr 10, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG03B33/08
WIPO fieldOptics
WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.