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.:

US 7639414 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 29, 2009

Filed:

Aug. 10, 2007
Applicants:

Kyu-hwan Hwang, Suwon-si, KR;

Jae-heung Ha, Suwon-si, KR;

Young-woo Song, Suwon-si, KR;

Joon-gu Lee, Suwon-si, KR;

Jong-hyuk Lee, Suwon-si, KR;

Jong-seok OH, Suwon-si, KR;

Chul-woo Park, Suwon-si, KR;

Inventors:

Kyu-Hwan Hwang, Suwon-si, KR;

Jae-Heung Ha, Suwon-si, KR;

Young-Woo Song, Suwon-si, KR;

Joon-Gu Lee, Suwon-si, KR;

Jong-Hyuk Lee, Suwon-si, KR;

Jong-Seok Oh, Suwon-si, KR;

Chul-Woo Park, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polarizer includes a base; a grid formed on the base; and low-reflective members formed on surfaces of the grid. The low-reflective members face an incident direction of an external light, so that a bright room contrast and a visibility can be improved.


Find Patent Forward Citations

Hwang, Kyu-Hwan. (2009). Polarizer and flat panel display apparatus including the same (U.S. Patent No. 7639414). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7639414

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