Patent · US Active

Projection device

US12372861B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

Coretronic Corporation · TW

Inventors

Wei-Chi Liu · Pingtung City, TW
Meng Dai · Shanghai, CN

Key dates

Filing date	Sep 14, 2022
Grant date	Jul 29, 2025
Priority date	—
Expiry date	Sep 14, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG03B21/204
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Provided is a projection device including an illumination system, an optical engine module, a projection lens, at least one first case, at least one second case, and at least one optical element. The at least one first case includes a first flow channel to transmit a first fluid therein. The at least one second case is connected to the at least one first case to form an accommodating space. The at least one optical element is disposed in the accommodating space. Heat generated by the at least one optical element is transferred, by the first fluid, to an outside of the at least one first case.

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