The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 19, 2022

Filed:

Jul. 18, 2021
Applicant:

Delta Electronics, Inc., Taoyuan, TW;

Inventors:

Yen-I Chou, Taoyuan, TW;

Li-Cheng Yang, Taoyuan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2066 (2013.01); G03B 21/204 (2013.01); G03B 21/208 (2013.01);
Abstract

An optical engine module includes a first light source module, a second light source module, and a controller. The first light source module includes a plurality of solid state light emitters. The solid state light emitters are configured to respectively emit different color lights. The second light source module is configured to emit fluorescent light. The controller is configured to: drive the first light source module in a first light emitting mode, in which the color lights are configured to be mixed to produce a first white light; and drive the first light source module and the second light source module in a second light emitting mode, in which the color lights and the fluorescent light are configured to be mixed to produce a second white light.


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