US 9,810,957 B2
Liquid crystal display device
Arihiro Takeda, Saitama-ken (JP); Jin Hirosawa, Saitama-ken (JP); Tetsuya Iizuka, Ishikawa-ken (JP); and Hirokazu Morimoto, Saitama-ken (JP)
Assigned to Japan Display Inc., Minato-ku (JP)
Filed by JAPAN DISPLAY INC., Minato-ku (JP)
Filed on Jul. 13, 2015, as Appl. No. 14/797,844.
Application 14/797,844 is a division of application No. 13/896,725, filed on May 17, 2013, granted, now 9,116,402.
Claims priority of application No. 2012-119499 (JP), filed on May 25, 2012.
Prior Publication US 2015/0316822 A1, Nov. 5, 2015
This patent is subject to a terminal disclaimer.
Int. Cl. G02F 1/1343 (2006.01); G02F 1/1362 (2006.01); G02F 1/1335 (2006.01); G02F 1/1337 (2006.01); G02F 1/1368 (2006.01)
CPC G02F 1/134336 (2013.01) [G02F 1/1337 (2013.01); G02F 1/1368 (2013.01); G02F 1/133528 (2013.01); G02F 1/134363 (2013.01); G02F 1/136213 (2013.01); G02F 1/136286 (2013.01); G02F 2001/133531 (2013.01); G02F 2001/134318 (2013.01); G02F 2001/134381 (2013.01); G02F 2001/136218 (2013.01); G02F 2201/121 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A liquid crystal display device, comprising:
an array substrate including:
a gate line extending in a first direction,
a source line extending in a second direction orthogonally crossing the first direction,
an auxiliary capacitance line having a trunk portion extending in the first direction so as to cross the source line and a branch portion branched from the trunk portion and extending along the source line,
a switching element formed in a region in which the source line crosses the gate line each other, the switching element including a drain line extending under the source line and arranged under the auxiliary capacitance line so as to face the trunk portion and the branch portion thereof, and
a pixel electrode having a main pixel electrode extending substantially in parallel to the source line and a contact portion electrically connected coupled with the drain line;
a counter substrate facing the array substrate; and
a liquid crystal layer held between the array substrate and the counter substrate and containing liquid crystal molecules.