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:
Jan. 02, 2024

Filed:

Jul. 25, 2022
Applicants:

Lite-on Electronics (Guangzhou) Limited, Guangzhou, CN;

Lite-on Technology Corporation, Taipei, TW;

Inventor:

Yi-Wen Chen, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G06F 1/16 (2006.01); H01H 13/14 (2006.01); H01H 13/83 (2006.01); G06F 3/02 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G06F 1/169 (2013.01); G06F 3/0213 (2013.01); H01H 13/14 (2013.01); H01H 13/83 (2013.01); H01H 2219/06 (2013.01);
Abstract

An input apparatus includes a reflection layer, a light guide plate, a first light source, a second light source and a light absorption member. The light guide plate is disposed on the reflection layer and includes a first light guide region and a second light guide region connected with each other by a junction, a first area of the first light guide region is different from a second area of the second light guide region. The first light source corresponds to the first light guide region. The second light source corresponds to the second light guide region, the light guide plate has a first opening structure disposed between the first light source and the second light source. The light absorption member is disposed at a position corresponding to the first opening structure.


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