US 12,016,116 B2
Display device and an inspection method of a display device
Yong Jin Shin, Asan-si (KR); Kyun Ho Kim, Yongin-si (KR); Uk Jae Jang, Gongju-si (KR); and Bong Im Park, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Jun. 13, 2023, as Appl. No. 18/208,923.
Application 18/208,923 is a continuation of application No. 16/951,060, filed on Nov. 18, 2020, granted, now 11,690,168.
Claims priority of application No. 10-2019-0149956 (KR), filed on Nov. 20, 2019.
Prior Publication US 2023/0328876 A1, Oct. 12, 2023
Int. Cl. H05K 1/02 (2006.01); G09G 3/00 (2006.01); H01L 23/498 (2006.01); H05K 1/14 (2006.01); H05K 1/18 (2006.01)
CPC H05K 1/0268 (2013.01) [G09G 3/006 (2013.01); H01L 23/49838 (2013.01); H05K 1/14 (2013.01); H05K 1/18 (2013.01); G09G 2330/12 (2013.01); H01L 23/4985 (2013.01); H05K 2201/049 (2013.01); H05K 2201/10128 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel;
a first substrate attached to a side of the display panel; and
a second substrate attached to a first side of the first substrate, and
wherein:
the first substrate includes a first test lead, a second test lead, a third test lead, and a fourth test lead disposed on a second side of the first substrate which is opposite to the first side of the first substrate;
the first substrate further includes a fifth test lead, a sixth test lead, a seventh test lead, and an eighth test lead disposed on the first side of the first substrate;
the first test lead and the second test lead are electrically connected to the fifth test lead; and
the third test lead is connected to the sixth test lead, and the fourth test lead is electrically connected to the seventh test lead and the eighth test lead.