US 11,818,928 B2
Display apparatus including a display panel having a first pad portion and a flexible printed circuit board having a second pad portion
Huntae Kim, Yongin-si (KR); Sungun Park, Yongin-si (KR); Dongyoub Lee, Yongin-si (KR); and Jiwon Han, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jul. 7, 2021, as Appl. No. 17/369,188.
Claims priority of application No. 10-2020-0084341 (KR), filed on Jul. 8, 2020.
Prior Publication US 2022/0013620 A1, Jan. 13, 2022
Int. Cl. H01L 29/08 (2006.01); H10K 59/131 (2023.01); H05K 1/18 (2006.01); H10K 59/121 (2023.01)
CPC H10K 59/131 (2023.02) [H05K 1/189 (2013.01); H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H05K 2201/10128 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a display panel comprising a first pad portion;
a flexible printed circuit board that is configured to attach to the display panel, the flexible printed circuit board comprising a second pad portion that is configured to electrically connect to the first pad portion;
the first pad portion comprises a plurality of first signal pads, a first test pad, and a first alignment pad having a first shape; and
the second pad portion comprises a second alignment pad having a second shape, the second alignment pad including a first portion and a second portion that are spaced apart from each other,
wherein the first shape and the second shape are configured to form a predetermined alignment mark when the flexible printed circuit board is attached to the display panel at a predetermined position.