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:
Feb. 03, 2009
Filed:
Feb. 17, 2005
Chih-ho Chiu, Taipei, TW;
Hui-lung Kuo, Taipei, TW;
Mei-chih Peng, Taoyuan Hsien, TW;
Yi-chun Liu, Hsinchu Hsien, TW;
Pin-chen Chen, Taipei, TW;
Chih-Ho Chiu, Taipei, TW;
Hui-Lung Kuo, Taipei, TW;
Mei-Chih Peng, Taoyuan Hsien, TW;
Yi-Chun Liu, Hsinchu Hsien, TW;
Pin-Chen Chen, Taipei, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A method for making an optical device comprises steps of: 1) Providing a substrate, a polymerizable liquid crystal material having a plurality of liquid crystal molecules, and a mold having rows of trenches; 2) Imprinting the polymerizable liquid crystal material on said substrate by the mold; 3) Proceeding a cross-linking process to cure the liquid crystal material so as to have long axes of the liquid crystal molecules be aligned along the rows of trenches. The optical device made from the present method conforms to an A-plate type retardation plate. Moreover, the optical device is capable of aligning liquid crystal molecules adjacent to it.