US 12,266,678 B2
Display device and method of manufacturing the same
Won Jun Lee, Hwaseong-si (KR); and Hyo Chul Lee, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Sep. 3, 2021, as Appl. No. 17/467,157.
Application 17/467,157 is a continuation of application No. 16/560,359, filed on Sep. 4, 2019, granted, now 11,114,500.
Claims priority of application No. 10-2018-0106009 (KR), filed on Sep. 5, 2018.
Prior Publication US 2021/0399043 A1, Dec. 23, 2021
Int. Cl. H01L 27/15 (2006.01); G09G 3/32 (2016.01); H01L 27/12 (2006.01); H01L 33/36 (2010.01); H01L 33/44 (2010.01); H01L 33/62 (2010.01)
CPC H01L 27/156 (2013.01) [H01L 27/124 (2013.01); H01L 33/36 (2013.01); H01L 33/44 (2013.01); H01L 33/62 (2013.01); G09G 3/32 (2013.01); G09G 2300/0426 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/027 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
a substrate comprising a display area having a plurality of pixel areas and a non-display area located around the display area;
at least one transistor in the plurality of pixel areas on the substrate;
a reference voltage wiring extending from the non-display area to the display area;
first and second pixel electrodes in the plurality of pixel areas on the at least one transistor;
a plurality of light emitting elements on the first pixel electrode and the second pixel electrode;
first and second contact electrodes on the plurality of light emitting elements;
a first wiring on the reference voltage wiring in the non-display area,
wherein the first wiring is directly coupled to the reference voltage wiring in the non-display area, and
wherein the reference voltage wiring is not directly electrically connected to any of the plurality of light emitting elements.