公开(公告)号：US20230155083A1

公开(公告)日：2023-05-18

申请号：US17983290

申请日：2022-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyung June KIM ,  Ji Hyun MIN ,  Sang Ho PARK ,  Se Hyung CHO ,  Jang Bog JU

IPC: H01L33/58 ,  H01L25/16 ,  H01L33/50

CPC classification number: H01L33/58 ,  H01L25/167 ,  H01L33/507

Abstract: A display device including: a first electrode on a substrate, a second electrode spaced from the first electrode in a second direction, an optical layer on the first electrode and the second electrode, the optical layer including a first layer and a second layer, the second layer including a different material and having a different thickness from the first layer, and a plurality of light emitting elements on the optical layer, the first electrode, and the second electrode, wherein the optical layer includes a plurality of pair layers, each of the plurality of pair layers including the first layer and the second layer, and the first layer and the second layer are alternately stacked.

公开(公告)号：US20230420622A1

公开(公告)日：2023-12-28

申请号：US18334512

申请日：2023-06-14

Applicant: Samsung Display Co., LTD.

Inventor： Hyung June KIM ,  Ji Hyun MIN ,  Sang Ho PARK ,  Se Hyung CHO

IPC: H01L33/58 ,  H01L25/075 ,  H01L33/38 ,  H01L33/62 ,  H01L33/50 ,  H01L25/16

CPC classification number: H01L33/58 ,  H01L25/0753 ,  H01L33/382 ,  H01L33/62 ,  H01L33/505 ,  H01L25/167

Abstract: A display device according to an embodiment includes a substrate including an emission area and a non-emission area, a plurality of light emitting elements disposed on the substrate, a first electrode and a second electrode disposed to be spaced apart from each other and electrically connected to plurality of the light emitting elements, a cover layer disposed on the first electrode and the second electrode, and a color conversion layer disposed on the cover layer. The cover layer includes a plurality of sub-insulating layers each including a first layer and a second layer sequentially stacked. The first layer and the second layer have different refractive indices.

公开(公告)号：US20230282682A1

公开(公告)日：2023-09-07

申请号：US18116134

申请日：2023-03-01

Applicant: Samsung Display Co., LTD.

Inventor： Hyung June KIM ,  Se Hyung CHO ,  Jang Bog JU

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L33/60

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L33/60

Abstract: A display device including: an insulating reflective layer on a substrate; and a light emitting element on the insulating reflective layer, wherein the insulating reflective layer includes a first layer and a second layer on the first layer, the first layer includes a first area of a shared layer that is at least a portion of the insulating reflective layer, the second layer includes a second area of the shared layer, the first layer includes a first distributed Bragg reflector configured to reflect light in a first wavelength band, and the second layer includes a second distributed Bragg reflector configured to reflect light in a second wavelength band.