Display device

Patent metadata

Field	Value
Publication number	US-9793513-B2
Application number	US-201615281213-A
Country	US
Kind code	B2
Filing date	Sep 30, 2016
Priority date	Jul 3, 2013
Publication date	Oct 17, 2017
Grant date	Oct 17, 2017

Abstract

A light-emitting element display device includes: a display area which has an organic insulating layer that is made of an organic insulating material; a peripheral circuit area which is disposed around the display area and which has the organic insulating layer; and a blocking area that is formed between the display area and the peripheral circuit area. The blocking area includes: a first blocking area configured by only one or a plurality of inorganic material layers between an insulating base substrate and an electrode layer which covers the display area and is formed continuously from the display area, and which configures one of two electrodes for allowing the light emitting area to emit the light; and a second blocking area including a plurality of layers configuring the first blocking area, and a light emitting organic layer.

First claim

What is claimed is:

1. A display device comprising:
a display area on a substrate;
a contact area outside of the display area on the substrate; and
a blocking area outside of the display area on the substrate,
the display area comprises:
a plurality of first electrodes arranged in a matrix;
an organic insulating layer covering an edge of the first electrode and covering a clearance between two adjacent first electrodes, the organic insulating layer exposing a part of the first electrode;
an organic layer including a light emitting layer, the organic layer covering an exposed part of the first electrode;
a second electrode covering the organic layer and the organic insulating layer, the second electrode extending from the display area to the contact area and the blocking area; and
a sealing film covering the second electrode, the sealing film extends from the display area to the contact area and the blocking area,
the contact area comprises:
the organic insulating layer;
a metal wiring covered with the organic insulating layer; and
an aperture in the organic insulating layer exposing a part of the metal wiring,
the blocking area comprises:
a first blocking area configured by only one or a plurality of layers made of inorganic insulating material between the substrate and the sealing film; and
a second blocking area configured by the layers configuring the first blocking area and the second electrode between the substrate and the sealing film, wherein
the second electrode is electrically connected to the metal wiring at the aperture.

2. The display device according to claim 1 , wherein
the display area is surrounded by the blocking area.

3. The display device according to claim 1 , wherein
the display area has a rectangle shape, and
the contact area extends along at least two sides of the display area.

4. The display device according to claim 1 , wherein
the block area further comprises a third blocking area configured by the layers configuring the second blocking area and a part of the organic layer.

5. The display device according to claim 1 , wherein
the organic layer further comprises any one of a hole injection layer, a hole transport layer, an electron injection layer, and an electron transport layer.

6. The display device according to claim 1 , wherein
a distance between the sealing layer and the substrate at the blocking area is smaller than a distance between the sealing layer and the substrate at the display area.

Assignees

• Japan Display Inc

Inventors

• Furuie Masamitsu

Classifications

• H10K50/8426

  Peripheral sealing arrangements, e.g. adhesives, sealants · CPC title

• H10K50/844

  Encapsulations · CPC title

• H01L27/3246

  Electricity · mapped topic

• H01L51/5253 Primary

  Electricity · mapped topic

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · CPC title