US 11,855,122 B2
Display device
Do Yeong Park, Hwaseong-si (KR); Kyung Bae Kim, Seongnam-si (KR); and No Kyung Park, Hwaseong-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-Si (KR)
Filed on Mar. 9, 2021, as Appl. No. 17/196,869.
Claims priority of application No. 10-2020-0049836 (KR), filed on Apr. 24, 2020.
Prior Publication US 2021/0335883 A1, Oct. 28, 2021
Int. Cl. H01L 27/15 (2006.01); H01L 33/38 (2010.01); H01L 33/62 (2010.01)
CPC H01L 27/156 (2013.01) [H01L 33/387 (2013.01); H01L 33/62 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
subpixels comprising a plurality of first type subpixels and a plurality of second type subpixels which neighbor each other in a first direction and are alternately and repeatedly arranged;
a plurality of electrodes, each comprising an electrode stem portion which is disposed in each of the subpixels and extends in a second direction and at least one electrode protrusion portion which is connected to the electrode stem portion and disposed over another subpixel neighboring in the first direction;
a plurality of light emitting elements having a shape of extending in one direction and disposed on the electrode stem portion of the one electrode and the electrode protrusion portion of the other electrode; and
a plurality of first contact electrodes contacting a first end of the light emitting elements and a plurality of second contact electrodes contacting a second end of the light emitting elements,
wherein the light emitting elements comprise first type light emitting elements disposed in each of the first type subpixels and of which the first end is disposed on the electrode stem portion and second type light emitting elements disposed in each of the second type subpixels and of which the first end is disposed on the electrode protrusion portion,
the first ends of the first type light emitting elements and the second type light emitting elements face in opposite directions, and
one electrode of the plurality of electrodes and an other electrode of the plurality of electrodes which are adjacent to each other are disposed over two subpixels neighboring in the first direction.