Method of preparing organic electronic device

Patent metadata

Field	Value
Publication number	US-10950808-B2
Application number	US-201816048834-A
Country	US
Kind code	B2
Filing date	Jul 30, 2018
Priority date	Sep 30, 2013
Publication date	Mar 16, 2021
Grant date	Mar 16, 2021

Abstract

A method of preparing an organic electronic device, an organic electronic device prepared using the same, and a use thereof are provided. For example, the method of effectively preparing an organic electronic device using a flexible substrate, the organic electronic device prepared using the same, and the use thereof may be provided.

First claim

What is claimed is:

1. An organic electronic device comprising:
a carrier substrate;
a polymer layer formed on the carrier substrate and having a convex portion and a concave portion formed in a surface thereof;
a flexible substrate coming in contact with the convex portion of the polymer layer;
an organic electronic element formed on a top surface of the flexible substrate; and
an inorganic layer formed between the flexible substrate and the organic electronic element,
wherein the flexible substrate is a polymer film having a thickness from 10 to 50 μm,
wherein an aspect ratio of the convex portion of the polymer layer is in a range of 10 to 150, and wherein a contact ratio between the polymer layer and the flexible substrate is in a range of 30% to 60%, based on the total area of the polymer layer,
wherein the inorganic layer comprising a first sub-layer and a second sub-layer disposed on the first sub-layer,
wherein the first sub-layer has a first refractive index and the second sub-layer has a second refractive index, and the first refractive index is smaller than the second refractive index.

2. The organic electronic device of claim 1 , wherein the polymer layer comprises a polyorganosiloxane.

3. The organic electronic device of claim 2 , wherein the polyorganosiloxane comprises a repeating unit represented by the following Formula 1:

wherein R 1 and R 2 are each independently hydrogen, an alkyl group, an alkenyl group, or an aryl group.

4. A lighting device comprising the organic electronic device defined in claim 1 .

5. The organic electronic device of claim 1 , wherein the inorganic layer having a thickness from 5 to 60 nm.

6. The organic electronic device of claim 1 , wherein the inorganic layer having a surface roughness from 5 nm or less.

7. The organic electronic device of claim 1 , wherein the first refractive index is 1.4 to 1.9.

8. The organic electronic device of claim 1 , wherein the second refractive index is 2.0 to 2.6.

Assignees

• Lg Display Co Ltd

Inventors

• Lee Sang Jun
• Choi Jun Rye

Classifications

• H10K71/00 Primary

  Manufacture or treatment specially adapted for the organic devices covered by this subclass · CPC title

• H10K77/111

  Flexible substrates · CPC title

• B32B27/08 Primary

  of synthetic resin · CPC title

• B32B3/30

  characterised by a layer formed with recesses or projections, e.g. {hollows, grooves, protuberances, ribs (apertured layer B32B3/266; layer with cavities or internal voids B32B3/26)} · CPC title

• B32B27/283

  comprising polysiloxanes · CPC title