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:
Jan. 23, 2007
Filed:
Apr. 23, 2004
Sheng-shiou Yeh, Miao-Li, TW;
Jia-pang Pang, Miao-Li, TW;
Sheng-Shiou Yeh, Miao-Li, TW;
Jia-Pang Pang, Miao-Li, TW;
Innolux Display Corp., Miao-Li, TW;
Abstract
A color filter () includes a black matrix (), and the black matrix has a first antireflection layer () and a second antireflection layer () on the first antireflection layer. Each antireflection layer includes a first antireflection film () having a first refraction index, and a second antireflection film () having a second refraction index which is different to the first refraction index. Because of so-called destructive interference of outside source light beams reflected from various interfaces defined by the first and second antireflection films, net reflection of the light beams by the black matrix back to an outside of the color filter is minimal. For similar reasons, net reflection of internal source light beams by the black matrix back to an inside of the color filter is minimal. As a result, visibility of a liquid crystal display device () employing the color filter is improved.