公开(公告)号：US12161010B2

公开(公告)日：2024-12-03

申请号：US17515780

申请日：2021-11-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Heume-Il Baek ,  Jun-Ho Youn ,  Jeong-Mook Choi ,  Hee-Tae Lim ,  Ji-Ho Kang ,  Kyoung-Ji Bae ,  Jin-Ah Kwak ,  Sang-Bin Lee

IPC: H01L29/08 ,  C08L79/00 ,  H10K50/824 ,  H10K59/122 ,  H10K102/00

Abstract: An electroluminescent display device includes: a substrate, a first electrode on the substrate, a connection pattern on the substrate, the connection pattern including a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the connection pattern and the second electrode, the auxiliary pattern including one or more of: a metal oxide, conductive nanoparticles, and a work function-modifying polymer.

公开(公告)号：US11917847B2

公开(公告)日：2024-02-27

申请号：US17521114

申请日：2021-11-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Jin-Ah Kwak

IPC: H01L29/08 ,  H10K50/824 ,  H10K59/122 ,  H10K59/126

CPC classification number: H10K50/824 ,  H10K59/122 ,  H10K59/126

Abstract: An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern and including a hydrophobic bank, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and a conductive bank between the second electrode and the connection pattern, wherein the second electrode is in contact with a side surface of the conductive bank.