| US 7,593,073 B2 | ||
| Optical member, method of manufacturing the same and display device having the same | ||
| In-Sun Hwang, Suwon-si (Korea, Republic of); Sang-Yu Lee, Yongin-si (Korea, Republic of); Hae-Il Park, Seoul (Korea, Republic of); Jin-Seob Byun, Seoul (Korea, Republic of); and Hyoung-Joo Kim, Uiwang-si (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co. Ltd., Suwon-Si, Gyeonggi-do (Korea, Republic of) | ||
| Filed on Sep. 07, 2005, as Appl. No. 11/221,448. | ||
| Claims priority of application No. 10-2005-0030580 (KR), filed on Apr. 13, 2005. | ||
| Prior Publication US 2006/0232732 A1, Oct. 19, 2006 | ||
| Int. Cl. G02F 1/1333 (2006.01); G02F 1/1335 (2006.01) | ||
| U.S. Cl. 349—84 [349/115; 349/98] | 22 Claims |
| 1. A display device comprising:
a light source unit for generating light; and
a display unit, comprising:
a liquid crystal layer that varies a light transmittance of the light generated from the light source unit;
a fluorescent layer that generates visible light based on light from the light source unit; and
an optical member comprising a cholesteric liquid crystal for transmitting light that has passed through the liquid crystal
layer onto the fluorescent layer,
wherein the optical member reflects a light that leaks from the fluorescent layer.
|