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:
Apr. 14, 2026
Filed:
Mar. 17, 2025
Radiant Opto-electronics Corporation, Kaohsiung, TW;
Radiant Opto-Electronics Corporation, Kaohsiung, TW;
Abstract
A backlight module comprises a light guide plate, a light source, a first optical film, and two second optical films. The first optical film is positioned toward the light emitting surface of the light guide plate and includes a body with multiple parallel prisms extending towards the light emitting surface and multiple optical structures positioned on the body and facing away from the light guide plate. Each of the second optical films has multiple parallel strips facing away from the first optical film. The direction of the strips on one of the second optical films being different from that on the other second optical film. This invention also provides a display device with the backlight module.