Patent · US Active

Projection apparatus with illumination system having plurality of laser modules

US11112684B2 · kind B2 · utility

3Cited by

11References

23Claims

0Family size

Assignee

Coretronic Corporation · TW

Inventors

Hung-Wei Liu · Jinshanmian, TW
Chien-Chung Liao · Baoshan, TW

Key dates

Filing date	Nov 22, 2019
Grant date	Sep 7, 2021
Priority date	—
Expiry date	Nov 26, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG03B21/208
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A projection apparatus including a projection lens, a light valve module, and an illumination system optically coupled to produce an image beam is provided. The illumination system further includes a plurality of first laser source modules adapted to emit a plurality of first laser beams, and a diffusion component disposed on transmission paths of the plurality of first laser beams, such that the plurality of first laser beams form a plurality of light spots at a plurality of locations on the diffusion component.

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