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:
Apr. 14, 2020

Filed:

May. 31, 2019
Applicant:

Coretronic Corporation, Hsin-Chu, TW;

Inventors:

Pei-Ting Huang, Hsin-Chu, TW;

Bing-Han Tsai, Hsin-Chu, TW;

Assignee:

Coretronic Corporation, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 21/00 (2006.01); F21V 8/00 (2006.01); G09G 3/34 (2006.01); G02F 1/13357 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0076 (2013.01); G02B 6/0035 (2013.01); G02F 1/1336 (2013.01); G09G 3/3406 (2013.01); G02F 2001/133626 (2013.01); G09G 2320/066 (2013.01);
Abstract

A display device includes a backlight module and a display panel. The display panel includes a first display mode to display a first light transmissive pattern and a second display mode to display a second light transmissive pattern. The backlight module includes a first light guide plate having a plurality of first microstructures, a second light guide plate having a plurality of second microstructures, a first light source and a second light source. The first light source is configured to emit a first light beam into the first light guide plate, and the first light beam is emerged from the first light guide plate through the first microstructures. The second light source is configured to emit a second light beam into the second light guide plate, and the second light beam is emerged from the second light guide plate through the second microstructures.


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