| US 7,548,293 B2 | ||
| Liquid crystal display | ||
| Jeong-ye Choi, Suwon-si (Korea, Republic of); Mun-pyo Hong, Seongnam-si (Korea, Republic of); Wang-su Hong, Suwon-si (Korea, Republic of); Soo-guy Rho, Suwon-si (Korea, Republic of); and Sang-il Kim, Suwon-si (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co., Ltd., Suwon-Si (Korea, Republic of) | ||
| Filed on Apr. 21, 2005, as Appl. No. 11/111,408. | ||
| Claims priority of application No. 10-2004-0037107 (KR), filed on May 25, 2004. | ||
| Prior Publication US 2006/0007087 A1, Jan. 12, 2006 | ||
| Int. Cl. G02F 1/1335 (2006.01) | ||
| U.S. Cl. 349—114 [349/106] | 17 Claims |
| 1. A semi-transmission liquid crystal display comprising
a liquid crystal panel;
a backlight unit to emit light to the liquid crystal panel; and
a data driver to apply a data voltage to a data line of the liquid crystal panel;
wherein, the liquid crystal panel comprises a TFT substrate which has a transmission area transmitting light from the backlight
unit and a reflection area reflecting light from exterior, a color filter substrate which comprises a color filter layer having
a concave area which is formed corresponding to the reflection area, and a liquid crystal layer which is sandwiched between
the TFT substrate and the color filter substrate and having varying thickness according to the concave area; and
the data driver applies the data voltage to the data line in the liquid crystal panel by a transmission voltage mode when
the backlight unit is on and by a reflection voltage mode when the backlight unit is off,
wherein the thickness of the liquid crystal layer is thicker in the reflection area than in the transmission area.
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