US 12,289,982 B2
Transparent organic light emitting display apparatus and method of manufacturing the same
Joonsuk Lee, Paju-si (KR); SeJune Kim, Paju-si (KR); Dohyung Kim, Paju-si (KR); and Saemleenuri Lee, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG DISPLAY CO., LTD., Seoul (KR)
Filed on Oct. 10, 2023, as Appl. No. 18/378,468.
Application 17/712,878 is a division of application No. 16/573,045, filed on Sep. 17, 2019, granted, now 11,322,698, issued on May 3, 2022.
Application 18/378,468 is a continuation of application No. 17/712,878, filed on Apr. 4, 2022, granted, now 11,818,945.
Claims priority of application No. 10-2018-0131996 (KR), filed on Oct. 31, 2018.
Prior Publication US 2024/0040922 A1, Feb. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 77/10 (2023.01); H10K 50/844 (2023.01); H10K 50/86 (2023.01); H10K 59/12 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/35 (2023.01); H10K 59/38 (2023.01); H10K 59/80 (2023.01); H10K 71/00 (2023.01); H10K 71/10 (2023.01); H10K 71/20 (2023.01); H10K 71/40 (2023.01); H10K 71/60 (2023.01); H10K 102/00 (2023.01)
CPC H10K 77/111 (2023.02) [H10K 50/844 (2023.02); H10K 50/865 (2023.02); H10K 59/124 (2023.02); H10K 59/38 (2023.02); H10K 71/00 (2023.02); H10K 71/233 (2023.02); H10K 59/1201 (2023.02); H10K 2102/311 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A transparent organic light emitting display apparatus comprising:
a pixel area including an emission area and a transmission area disposed adjacent to the emission area, the emission area configured to display an image and the transmission area configured to pass external light,
wherein the transmission area includes:
a planarization layer covering a thin film transistor of the emission area, and including an overhanging portion,
an encapsulation layer disposed on the planarization layer, and
an undercut area disposed below the overhanging portion of the planarization layer, and filled by the encapsulation layer,
wherein the transmission area further includes an emission layer, a cathode electrode, and the encapsulation layer covering the overhanging portion of the planarization layer, and
wherein the emission layer, the cathode electrode and the encapsulation layer are disposed on the undercut area.