| US 7,518,799 B2 | ||
| Optical plate, method of manufacturing optical plate, backlight assembly and liquid crystal display device | ||
| Ju-hwa Ha, Seoul (Korea, Republic of); Jung-wook Paek, Suwon-si (Korea, Republic of); Jin-sung Choi, Cheonan-si (Korea, Republic of); Byung-yun Joo, Seoul (Korea, Republic of); Jin-soo Kim, Seoul (Korea, Republic of); and Min-young Song, Seoul (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co., Ltd., (Korea, Republic of) | ||
| Filed on May 10, 2007, as Appl. No. 11/746,702. | ||
| Claims priority of application No. 10-2006-0041843 (KR), filed on May 10, 2006; and application No. 10-2007-0021353 (KR), filed on Mar. 05, 2007. | ||
| Prior Publication US 2007/0263292 A1, Nov. 15, 2007 | ||
| Int. Cl. G02B 27/10 (2006.01); G03B 21/60 (2006.01) | ||
| U.S. Cl. 359—619 [359/621; 359/626; 359/455; 359/457; 349/57] | 19 Claims |
| 1. An optical plate, comprising:
a main body plate; and
a plurality of lens patterns formed on a first surface of the main body plate, wherein the lens patterns are elongated in
a first direction and arranged in parallel with each other in a second direction crossing the first direction,
wherein a cross section of the lens patterns forms a part of an ellipse shape, the ratio of a semi-major axis to a semi-minor
axis of the ellipse shape ranging from about 1.65 to about 1.75.
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