US 12,225,807 B2
Display apparatus with crack detection electrodes disposed in different layers
Minjeong Kim, Yongin-si (KR); Hyungjun Park, Yongin-si (KR); Junyong An, Yongin-si (KR); Nuree Um, Yongin-si (KR); and Wonkyu Kwak, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Oct. 16, 2023, as Appl. No. 18/380,196.
Application 18/380,196 is a continuation of application No. 17/504,245, filed on Oct. 18, 2021, granted, now 11,800,776.
Claims priority of application No. 10-2021-0022597 (KR), filed on Feb. 19, 2021.
Prior Publication US 2024/0065084 A1, Feb. 22, 2024
Int. Cl. H01L 23/58 (2006.01); H10K 59/121 (2023.01); H10K 59/131 (2023.01); H10K 59/88 (2023.01); H01L 27/12 (2006.01); H01L 29/786 (2006.01)
CPC H10K 59/88 (2023.02) [H10K 59/1213 (2023.02); H10K 59/131 (2023.02); H01L 27/1225 (2013.01); H01L 27/124 (2013.01); H01L 27/1251 (2013.01); H01L 29/78675 (2013.01); H01L 29/7869 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a substrate having a display area and a peripheral area outside the display area;
a plurality of pads disposed at one side of the peripheral area; and
a first, a second, and a third conductive layers including a first, a second, and a third crack detection electrodes, respectively,
wherein the first, the second, and the third crack detection electrodes extends along one edge of the substrate in the peripheral area, and
wherein a first end portion of the first crack detection electrode, a first end portion of the second crack detection electrode, and a first end portion of the third crack detection electrode are electrically connected with each other at another side of the peripheral area; wherein the first crack detection electrode includes a plurality of first zigzag patterns that are connected to each other in series, and the second crack detection electrode includes a plurality of second zigzag patterns that are connected to each other in series; wherein the first crack detection electrode and the second crack detection electrode at least partially overlap each other.