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. 26, 2010
Filed:
Nov. 07, 2002
Michiaki Sakamoto, Tokyo, JP;
Hironori Kikkawa, Tokyo, JP;
Kenkichi Harada, Tokyo, JP;
NEC LCD Technologies, Ltd., Kawasaki, JP;
Abstract
There is provided a light-reflector used in a liquid crystal display device which uses an externally incident light as a light source by reflecting the externally incident light to a viewer, wherein the light-reflector is formed at a surface thereof with a rugged pattern comprised of an alternating pattern of pixel pattern areas, each pixel pattern area positioned to overlie a respective one pixel of the liquid crystal display device, each of the pixel pattern areas of the alternating pattern being different, wherein each pixel pattern area of the alternating pattern is comprised of alternately formed recessed and raised portions, and the alternating pattern is formed periodically repeatedly every two pixels.