US 12,224,291 B2
Display device and manufacturing method thereof
Hyeon Bum Lee, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Oct. 12, 2023, as Appl. No. 18/485,802.
Application 18/485,802 is a continuation of application No. 17/138,018, filed on Dec. 30, 2020, granted, now 11,824,066.
Claims priority of application No. 10-2020-0057711 (KR), filed on May 14, 2020.
Prior Publication US 2024/0038782 A1, Feb. 1, 2024
Int. Cl. H01L 27/12 (2006.01); G06F 3/041 (2006.01)
CPC H01L 27/1248 (2013.01) [G06F 3/0412 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a source electrode or a drain electrode disposed on the substrate, the source electrode or the drain electrode to provide current to a light emitting diode;
a first insulating layer disposed on the source electrode or the drain electrode, the first insulating layer including a first opening overlapping the source electrode or the drain electrode;
a second insulating layer overlapping an upper surface of the first insulating layer, the second insulating layer including a second opening overlapping the source electrode or the drain electrode; and
a first electrode disposed on the second insulating layer and electrically contacting a source electrode or the drain electrode in the second opening of the second insulating layer, wherein
an angle between a side surface of the second opening of the second insulating layer and a plane parallel to the substrate is in a range of about 70 degrees to about 85 degrees, and
the display device does not include a polarizer.