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:
Dec. 17, 2013

Filed:

Jan. 17, 2012
Applicants:

Joonghyun Kim, Asan-si, KR;

Jinsung Choi, Cheonan-si, KR;

Byoung Dae YE, Yongin-si, KR;

Taeho Lee, Seoul, KR;

Yongkyu Kang, Asan-si, KR;

Sangwon Lee, Incheon, KR;

Inventors:

JoongHyun Kim, Asan-si, KR;

Jinsung Choi, Cheonan-si, KR;

Byoung Dae Ye, Yongin-si, KR;

Taeho Lee, Seoul, KR;

Yongkyu Kang, Asan-si, KR;

Sangwon Lee, Incheon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A three-dimensional ('3D') image display device includes a backlight unit. The backlight unit includes a light guide part including a plurality of light guide units. Each of the light guide units includes a light guide plate including a light emission surface through which supplied light is emitted, a bottom surface which faces the light emission surface, and side surfaces which connect the light emission surface to the bottom surface, a plurality of light sources which emit light toward at least one of the side surfaces, and a band pass filter between the side surface to which the light is emitted and the light sources.


Find Patent Forward Citations

Loading…