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.

Date of Patent:
Nov. 17, 2015

Filed:

Jul. 28, 2011
Applicants:

Seong-yong Hwang, Asan-si, KR;

Jin-sung Choi, Cheonan-si, KR;

Dae-young Joung, Seoul, KR;

Tae-ho Lee, Seoul, KR;

Inventors:

Seong-Yong Hwang, Asan-si, KR;

Jin-Sung Choi, Cheonan-si, KR;

Dae-Young Joung, Seoul, KR;

Tae-Ho Lee, Seoul, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0221 (2013.01); G02B 5/0278 (2013.01);
Abstract

A light guide plate includes a light incident surface, a light emitting surface and a light guide surface. The light incident surface receives light from an external light source. The light emitting surface emits outward the light received through the light incident surface. The light guide surface faces the light emitting surface and includes a diffusion pattern formed thereon. The diffusion pattern includes a plurality of porous particles and a plurality of spheroidal particles, and the porous particles have pores formed therein and on surfaces thereof.


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