US 12,446,439 B2
Light emitting device, manufacturing method of light emitting device, display device, photoelectric conversion device, electronic apparatus, illumination device, moving body, and wearable device
Yusuke Fukuchi, Oita (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 20, 2023, as Appl. No. 18/303,741.
Claims priority of application No. 2022-076750 (JP), filed on May 6, 2022.
Prior Publication US 2023/0363240 A1, Nov. 9, 2023
Int. Cl. H10K 59/80 (2023.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01)
CPC H10K 59/80521 (2023.02) [H10K 59/1201 (2023.02); H10K 59/122 (2023.02); H10K 59/80523 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A light emitting device in which a plurality of pixels are arranged on a main surface of a substrate, wherein
each of the plurality of pixels comprises an organic layer including a light emitting layer, a reflective layer arranged between the main surface and the organic layer, a first insulating layer arranged between the reflective layer and the organic layer, a transmission electrode arranged between the first insulating layer and the organic layer, and a second insulating layer arranged so as to cover a peripheral edge portion of the transmission electrode while including an opening portion that exposes a part of the transmission electrode,
a groove extending through the first insulating layer is provided between the peripheral edge portion of the transmission electrode and the reflective layer,
the transmission electrode is electrically connected to the reflective layer in the groove, and
the second insulating layer includes a recess portion in a portion covering the groove.