| US 7,567,334 B2 | ||
| Liquid-crystal display device comprising a depression formed on inner surface of a substrate for receiving excess liquid crystal | ||
| Tsutomu Kadotani, Tokyo (Japan) | ||
| Assigned to NEC LCD Technologies, Ltd, Kanagawa (Japan) | ||
| Filed on Jul. 30, 2003, as Appl. No. 10/629,650. | ||
| Claims priority of application No. 2002-223114 (JP), filed on Jul. 31, 2002. | ||
| Prior Publication US 2004/0021819 A1, Feb. 05, 2004 | ||
| Int. Cl. G02F 1/1335 (2006.01) | ||
| U.S. Cl. 349—158 [349/155] | 11 Claims |
| 1. A LCD device comprising:
a first substrate on which pixels are arranged;
a second substrate coupled to the first substrate with a sealing member in such a way as to form a gap between the first and
second substrates;
a liquid-crystal layer formed in the gap, the liquid crystal layer being confined by the sealing member; and
spacers arranged in the liquid-crystal layer;
wherein the first substrate has a display region for displaying images, the display region being defined to include the pixels;
wherein the first substrate has a non-display region formed outside the display region, the non-display region being located
between the display region and the sealing member;
wherein the spacers are located in a first part of the liquid-crystal layer corresponding to the display region while none
of the spacers are located in a second part of the liquid-crystal layer corresponding to the non-display region; and
further comprising a depression formed on an inner surface of the first or second substrate;
wherein the depression is located in the second part of the liquid-crystal layer, and the depression constitutes a buffer
space which receives extra liquid crystal from the liquid crystal layer; and
wherein the depression is substantially vacant except for the extra liquid crystal.
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