US 11,937,462 B2
Electroluminescent display device comprising bank layer with grooves therein
Jeong-Mook Choi, Paju-si (KR); Nack-Youn Jung, Paju-si (KR); Hee-Jin Kim, Paju-si (KR); Hak-Min Lee, Paju-si (KR); Myung-O Joo, Paju-si (KR); and Sung-Soo Park, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG DISPLAY CO., LTD., Seoul (KR)
Filed on Feb. 23, 2022, as Appl. No. 17/678,085.
Application 17/678,085 is a division of application No. 16/557,010, filed on Aug. 30, 2019, granted, now 11,289,555.
Claims priority of application No. 10-2018-0153549 (KR), filed on Dec. 3, 2018.
Prior Publication US 2022/0181414 A1, Jun. 9, 2022
Int. Cl. H10K 59/122 (2023.01); H10K 59/131 (2023.01); H10K 59/88 (2023.01); H10K 71/13 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/131 (2023.02); H10K 59/88 (2023.02); H10K 71/135 (2023.02)] 19 Claims
OG exemplary drawing
 
1. An electroluminescent display device, comprising:
a substrate;
a first pixel row on the substrate including a plurality of first pixels arranged along a first direction;
a second pixel row on the substrate including a plurality of second pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction;
a third pixel row on the substrate including a plurality of third pixels arrange along the first direction, the third pixel row positioned between the first and second pixel rows;
a first groove between the first and third pixel rows;
a second groove between the second and third pixel rows; and
a light emitting diode in each of the first pixels, the second pixels and the third pixels,
wherein the first groove is greater than the second groove, and
wherein the first groove is continuous from a first end of the first pixel row to a second end of the first pixel row.