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:
Oct. 03, 2023
Filed:
Dec. 30, 2022
Hkc Corporation Limited, Shenzhen, CN;
Ye Wan, Shenzhen, CN;
Baohong Kang, Shenzhen, CN;
HKC CORPORATION LIMITED, Shenzhen, CN;
Abstract
The present disclosure relates to an optical film and a preparation method therefor, and a display device. This optical film comprises a light transmitting substrate as well as a magnetic powder and a magneto-optical medium disposed in the light transmitting substrate, the magnetic powder is used for forming a surface magnetic field, and the magneto-optical medium is located in the surface magnetic field, so that a polarization direction of linearly polarized light is rotated after the linearly polarized light passes through the magneto-optical medium. When being applied to a backlight module, this optical film can convert natural light emitted by the backlight module into polarized light in a required polarization direction as much as possible, thereby increasing the utilization ratio of backlight.