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:
Feb. 21, 2023

Filed:

Oct. 26, 2021
Applicant:

Darfon Electronics Corp., Taoyuan, TW;

Inventors:

Heng-Yi Huang, Taoyuan, TW;

Hsin-Cheng Ho, Taoyuan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/702 (2006.01); G06F 1/16 (2006.01); H01H 13/83 (2006.01); G06F 3/02 (2006.01);
U.S. Cl.
CPC ...
H01H 13/702 (2013.01); G06F 1/1662 (2013.01); G06F 3/021 (2013.01); H01H 13/83 (2013.01); H01H 2215/008 (2013.01); H01H 2219/04 (2013.01);
Abstract

A backlight apparatus includes a light-guiding plate, a light-shielding membrane, a light-reflecting sheet, a plurality of first translucent glue bodies, and a plurality of second translucent glue bodies. The light-guiding plate has a plurality of through holes. Each of the first translucent glue bodies corresponds to one of the through holes. Each first translucent glue body is placed on a front surface of the light-guiding plate, and surrounds a respective circumference of the corresponding through hole to bond the light-shielding membrane thereabove and the light-guiding plate therebelow. Each first translucent glue body has a respective breach. Each of the second translucent glue bodies corresponds to one of the first translucent glue bodies, is placed via at least one portion thereof in the breach of the corresponding first translucent glue body, and bonds the light-shielding membrane thereabove and the light-guiding plate therebelow.


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