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. 30, 2012
Filed:
Dec. 02, 2009
Cheng-huan Chen, Hsinchu, TW;
Cheng-kuo Sung, Hsinchu, TW;
Chien-chuan Chen, Hsinchu, TW;
Chia-meng Chen, Hsinchu, TW;
Cheng-Huan Chen, Hsinchu, TW;
Cheng-Kuo Sung, Hsinchu, TW;
Chien-Chuan Chen, Hsinchu, TW;
Chia-Meng Chen, Hsinchu, TW;
National Tsing Hua University, Hsinchu, TW;
Abstract
A microstructural polarized light-guide device comprises an unpolarized light source module, a subwavelength polarization beam splitter structure and a polarization conversion module, the unpolarized light source module comprises a light-guide plate and a light source at the edge of the light-guide plate, the material of the light-guide plate is PMMA with the characteristic of high transparency, the surface of the light-guide plate has a plurality of extraction patterns, the polarization beam splitter structure is a nano-scale structure and comprises a dielectric nanograting layer and a metallic nanograting layer, and the dielectric nanograting layer and the metallic nanograting layer are vertically stacked with each other, the dielectric nanograting layer is integrated with a surface opposite to the surface with the plurality of extraction patterns, the polarization conversion module is disposed on the surface with the plurality of extraction patterns of the light-guide plate.