US 12,148,864 B2
Display device
Dojin Kim, Seoul (KR); Seok Kim, Goyang-si (KR); and SeongHwan Ju, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Jul. 14, 2021, as Appl. No. 17/375,909.
Claims priority of application No. 10-2020-0127528 (KR), filed on Sep. 29, 2020.
Prior Publication US 2022/0102589 A1, Mar. 31, 2022
Int. Cl. H01L 27/12 (2006.01); H01L 33/46 (2010.01)
CPC H01L 33/46 (2013.01) [H01L 27/124 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device, comprising:
at least one pixel including a plurality of light emitting diode elements configured to emit lights of different colors, one light emitting diode (LED) element among the plurality of light emitting diode elements having a first length in a first direction and a second length in a second direction crossing the first direction;
a driving element disposed adjacent to the one LED element, and configured to drive the one LED element included in at the at least one pixel;
a first connection electrode disposed on and extending to cover the driving element and the one LED element to electrically connect the driving element to the one LED element, wherein a portion of the first connection electrode is disposed on an upper surface of the one LED element; and
a reflective functional layer positioned to overlap an upper portion or a lower portion of the one LED element,
wherein the reflective functional layer includes:
a central area overlapping the one LED element;
an outer area including at least one graduation smaller than the first length or the second length of the one LED element; and
a peripheral area between the central area and the outer area.