公开(公告)号：US20190221623A1

公开(公告)日：2019-07-18

申请号：US16246727

申请日：2019-01-14

Applicant: JOLED INC.

Inventor： Isao KAMIYAMA

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L27/3246 ,  H01L27/3211 ,  H01L27/322 ,  H01L51/0005 ,  H01L51/0008 ,  H01L51/0021 ,  H01L51/504 ,  H01L51/5209 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/5315

Abstract: In a method for manufacturing an organic EL display panel including: preparing a substrate; forming pixel electrodes in a matrix of rows and columns; forming banks extending in a column direction at least between the pixel electrodes in a row direction; forming a first light emitting layer by applying an ink including a light emitting material in a first gap selected from a plurality of gaps between the banks; forming a second light emitting layer by a vapor deposition method to be continuous above both the first light emitting layer and the pixel electrodes in a second gap adjacent in the row direction to the first gap; and forming a counter electrode above the second light emitting layer, a height of portions of the banks adjacent to the second gap is made to be greater than a height of portions of the banks adjacent to the first gap.

公开(公告)号：US20180315802A1

公开(公告)日：2018-11-01

申请号：US15864365

申请日：2018-01-08

Applicant: JOLED INC.

Inventor： Isao KAMIYAMA

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5246 ,  H01L27/3223 ,  H01L27/3246

Abstract: According to one embodiment, a display device includes a display area, a first peripheral area, an organic insulating film. The display area is provided on a substrate and includes a plurality of organic electroluminescent (EL) elements aligned. The first peripheral area is provided on the substrate, around the display area. The organic insulating film is provided on the substrate and covers a circuit including a drive circuit driving the organic EL elements. The organic insulating film comprises a first groove provided in the organic insulating film, around the display area, in an area between the display area and the first peripheral area, and a dummy area to which at least one of functional materials of the organic EL elements is applied, on the first peripheral area.