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:
Aug. 08, 2023

Filed:

Aug. 31, 2020
Applicant:

Hong Kong Beida Jade Bird Display Limited, Hong Kong, HK;

Inventors:

Quchao Xu, Hong Kong, HK;

Qiming Li, Hong Kong, HK;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/15 (2006.01); H01L 33/62 (2010.01); H01L 33/58 (2010.01);
U.S. Cl.
CPC ...
H01L 27/156 (2013.01); H01L 33/58 (2013.01); H01L 33/62 (2013.01);
Abstract

The present invention discloses an optical system including a light combination unit, a first LED panel and a second LED panel. The first LED panel is located at one side of the light combination unit and configured to emit a first light. The second LED panel is located at another side of the light combination unit and configured to emit a second light. The first LED panel is a monochrome LED panel, and the second LED panel is a double color LED panel. The first LED panel and the second LED panel respectively emit the first light and the second light into the light combination unit, and the light combination unit combines and collimates the first light and the second light along one direction.


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