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:
May. 07, 2002
Filed:
May. 13, 1999
LG.Philips LCD Co., Ltd., Seoul, KR;
Abstract
A reflective-type liquid crystal display device is disclosed which comprises first and second substrates; a metal layer having a convex-concave surface over the insulating layer; a &lgr;/4 phase retardation optical film over the second substrate. The convex portion of the metal has a long width in a first direction perpendicular to the main viewing angle direction of the user. Polarization direction of the polarizer is at 90° with respect to the first direction, and slow axis of the optical film is at 45° with respect to the polarization direction. This reflective-type LCD has a high reflective luminance in the main viewing angle direction. Further, because TE(transverse electric) polarized light is incident on the metal transverse electric, the reflective luminance is much more improved.