US 9,812,520 B2
Display device
Hiroshi Sagawa, Kanagawa (JP)
Assigned to Sony Corporation, Tokyo (JP)
Filed by Sony Corporation, Tokyo (JP)
Filed on Oct. 6, 2016, as Appl. No. 15/287,286.
Application 15/287,286 is a continuation of application No. 15/190,556, filed on Jun. 23, 2016, granted, now 9,590,024.
Application 15/190,556 is a continuation of application No. 14/512,028, filed on Oct. 10, 2014, granted, now 9,401,321, issued on Jul. 26, 2016.
Application 14/512,028 is a continuation of application No. 13/782,130, filed on Mar. 1, 2013, granted, now 8,866,133, issued on Oct. 21, 2014.
Application 13/782,130 is a continuation of application No. 13/159,577, filed on Jun. 14, 2011, granted, now 8,399,892, issued on Mar. 19, 2013.
Claims priority of application No. 2010-147859 (JP), filed on Jun. 29, 2010.
Prior Publication US 2017/0025490 A1, Jan. 26, 2017
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 27/32 (2006.01); H01L 51/52 (2006.01); H01L 23/50 (2006.01); H01L 27/12 (2006.01)
CPC H01L 27/3276 (2013.01) [H01L 23/50 (2013.01); H01L 27/32 (2013.01); H01L 27/3246 (2013.01); H01L 27/3258 (2013.01); H01L 27/3262 (2013.01); H01L 51/5203 (2013.01); H01L 51/5228 (2013.01); H01L 27/124 (2013.01); H01L 27/1248 (2013.01); H01L 2227/323 (2013.01); H01L 2924/0002 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A display device comprising:
a substrate;
a planarization film;
a first light emitting element and a second light emitting element, each of the first and second light emitting elements including
a first electrode formed on the planarization film,
an organic light emission layer formed on the first electrode, and
a second electrode formed on the organic light emission layer
a scan line that propagates a scan signal, extending along a first direction and disposed on the substrate;
a signal line that propagates an image signal, extending along a second direction that is perpendicular to the first direction and disposed on the substrate;
a pixel circuit disposed on the substrate, the pixel circuit including a first transistor connected to the signal line and the scan line, and a second transistor that supplies a driving current to the first electrode, wherein the planarization film covers the scan line, the signal line and the pixel circuit;
a metal layer formed on the planarization film; and
an element isolation insulating layer formed on the planarization film and disposed between the first light emitting element and the second light emitting element;
wherein the element isolation insulating layer has a base portion having a first upper surface and a projection portion having a second upper surface that is higher than the first surface, the projection portion being made of a same material as the base portion and formed in a region between the first and the second light emitting elements in a planer view,
wherein the first and the second light emitting elements are adjacent each other along the first direction,
wherein the organic light emission layer and the second electrode of the first light emitting elements cover the first upper surface, and
wherein the metal layer is electrically connected to the second electrode of at least one of the first and the second light emitting elements, in a region other than light emitting regions of the first and the second light emitting elements.