US 12,130,520 B2
Liquid crystal display device comprising a pixel electrode having a plurality of branch portions and at least one slit having an end at a first end of a stem portion
Se Hyun Lee, Seoul (KR); Hak Sun Chang, Yongin-si (KR); and Cheol Shin, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO. LTD., Yongin-si (KR)
Filed by Samsung Display Co. Ltd., Yongin-si (KR)
Filed on Aug. 8, 2022, as Appl. No. 17/883,101.
Application 17/883,101 is a continuation of application No. 17/374,531, filed on Jul. 13, 2021, granted, now 11,435,622.
Application 17/374,531 is a continuation of application No. 16/898,751, filed on Jun. 11, 2020, granted, now 11,092,854, issued on Aug. 17, 2021.
Application 16/898,751 is a continuation of application No. 16/268,724, filed on Feb. 6, 2019, granted, now 10,712,621, issued on Jul. 14, 2020.
Application 16/268,724 is a continuation of application No. 15/351,694, filed on Nov. 15, 2016, granted, now 10,203,567, issued on Feb. 12, 2019.
Claims priority of application No. 10-2016-0054473 (KR), filed on May 3, 2016.
Prior Publication US 2022/0382093 A1, Dec. 1, 2022
Int. Cl. G02F 1/1337 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); G02F 1/1339 (2006.01); G02F 1/1343 (2006.01); G02F 1/1362 (2006.01); H01L 27/12 (2006.01); H01L 29/786 (2006.01)
CPC G02F 1/133707 (2013.01) [G02F 1/133345 (2013.01); G02F 1/133512 (2013.01); G02F 1/133514 (2013.01); G02F 1/13394 (2013.01); G02F 1/134309 (2013.01); G02F 1/13439 (2013.01); G02F 1/136286 (2013.01); H01L 27/124 (2013.01); H01L 29/78633 (2013.01); G02F 1/133357 (2021.01); G02F 1/136209 (2013.01); G02F 2201/121 (2013.01); G02F 2201/123 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A liquid crystal display device, comprising:
a substrate;
a pixel electrode disposed on the substrate; and
a light-shielding pattern, wherein
the pixel electrode comprises:
a stem portion including a first portion having a corresponding length extending in a first direction and a second portion having a corresponding length extending in a second direction intersecting the first direction and contacting the first portion at a center of the pixel electrode in the first direction and the second direction in a plan view;
a plurality of branch portions having respective lengths extended from the stem portion in a direction which is different from the first direction and the second direction;
at least one slit having a corresponding length extending in the first direction and having an end at a first end of the second portion of the stem portion in the second direction,
a first auxiliary part connected to the first end of the second portion of the stem portion and extending in the first direction, the first auxiliary part spaced apart from a first sub-portion of the branch portions by the at least one slit, and
a protrusion connected to the first auxiliary part at the first end of the second portion of the stem portion and extending in the first and second directions,
a portion of the plurality of branch portions is disposed between the at least one slit and the first portion of the stem portion in the second direction, and
the at least one slit overlaps the light-shielding pattern.