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.
Patent No.:
Date of Patent:
Aug. 20, 2019
Filed:
Sep. 07, 2018
Applicant:
Lite-on Technology Corporation, Taipei, TW;
Inventor:
Chun-Lin Chen, Taipei, TW;
Assignee:
LITE-ON TECHNOLOGY CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/83 (2006.01); F21V 8/00 (2006.01); H01H 13/705 (2006.01);
U.S. Cl.
CPC ...
H01H 13/83 (2013.01); G02B 6/0021 (2013.01); G02B 6/0075 (2013.01); H01H 13/705 (2013.01); H01H 2219/044 (2013.01); H01H 2219/062 (2013.01); H01H 2219/064 (2013.01);
Abstract
A unit type backlight module including a circuit board, a plurality of light emitting units and a plurality of light guide plates is provided. The circuit board is disposed under the key structures. The light emitting units is disposed on the circuit board. The light guide plates are disposed on the circuit board and are separated from each other. The light emitting units and their corresponding light guide plates are disposed under the key structures for each key structure.