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:
Mar. 31, 2026

Filed:

Jan. 16, 2025
Applicant:

Darwin Precisions Corporation, Hsinchu County, TW;

Inventors:

Ya-Ching Lee, Hsinchu County, TW;

Hsiang-I Hu, Hsinchu County, TW;

Yu-Huan Chiu, Hsinchu County, TW;

Assignee:

DARWIN PRECISIONS CORPORATION, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 30/33 (2020.01); H04N 13/302 (2018.01); H04N 13/346 (2018.01);
U.S. Cl.
CPC ...
G02B 6/0053 (2013.01); G02B 6/0076 (2013.01); G02B 30/33 (2020.01); H04N 13/302 (2018.05); H04N 13/346 (2018.05);
Abstract

The present invention provides a backlight module, including a light guide plate assembly, a reverse prism sheet, and a first and a second light source modules. The light guide plate assembly includes a first and an upper second light guides. The light guide plates respectively have a light incident and a light exiting surfaces, and a bottom surface with a plurality of light guide structures formed thereon. The light exiting and bottom surfaces are located on opposite sides of the light guide plate, and respectively connected to the light incident surface. The two light incident surfaces are respectively located on opposite sides of the light guide plate assembly. The reverse prism sheet is disposed on the second light guide plate with prismatic structures facing the same. The light source modules are respectively disposed aside the two incident surfaces, and are adapted to be activated alternatively at a frequency.


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Lee, Ya-Ching. (2026). Backlight module and naked-eye stereoscopic display device (U.S. Patent No. 12591088). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12591088

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