| US 7,344,282 B2 | ||
| Optical sheet and backlight assembly of liquid crystal display with the same | ||
| Cheul Yong Kim, Gyeonggi-do (Korea, Republic of); Sang Mook Kim, Gyeonggi-do (Korea, Republic of); Jong Wook Huh, Gyeonggi-do (Korea, Republic of); Dong Ryoul Kim, Gyeonggi-do (Korea, Republic of); Ki Won Jeon, Gyeongsangbukdo (Korea, Republic of); Ju Won Lee, Gyeonggi-do (Korea, Republic of); Eun Jung Ham, Seoul (Korea, Republic of); and Myung Su Lee, Gyeonggi-do (Korea, Republic of) | ||
| Assigned to Miraenanotech Co., Ltd., Gyeonggi-Do (Korea, Republic of) | ||
| Filed on Dec. 27, 2005, as Appl. No. 11/318,922. | ||
| Claims priority of application No. 10-2005-0033262 (KR), filed on Apr. 21, 2005. | ||
| Prior Publication US 2006/0239008 A1, Oct. 26, 2006 | ||
| Int. Cl. F21V 5/04 (2006.01) | ||
| U.S. Cl. 362—335 [362/330; 362/331; 362/333; 362/607; 362/611; 362/613; 362/614; 362/619; 362/625; 359/362; 359/364; 359/365; 359/366; 359/664; 359/710; 359/727] | 30 Claims |
| 12. A backlight assembly of a liquid crystal display, comprising:
a lamp for emitting light;
a light guide plate disposed at a side of the lamp to guide the light; and
an optical sheet disposed above the light guide plate to diffuse or condense the light incident from the light guide plate,
wherein the optical sheet comprises a substrate on which the light is incident, and a plurality of convex parts protruded
from one surface of the substrate by a predetermined thickness,
wherein each of the plurality of convex parts is formed in a circular or elliptical shape having a variable curvature radius,
wherein at least a portion of the plurality of convex parts are overlapped.
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