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:
Dec. 10, 2019
Filed:
Mar. 31, 2017
Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;
Hiroshi Yoshida, Aichi, JP;
KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, Aichi, JP;
Abstract
A display device includes board with a display region, and a light source that emits an illumination light having a polarization direction along a direction of a first absorption axis or a direction of a second absorption axis perpendicular to the first absorption axis. The display region includes a first region including a region polarization-microfabricated in the direction of the first absorption axis, a second absorption axis, and a third region that transmits the light. Only the first region and the third region are displayed on the display board by emitting the light having a polarization direction along the direction of the second absorption axis. Only the second region and the third region are displayed on the display board by the emitting the light having a polarization direction along the direction of the first absorption axis.