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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9825258 B1

PDFFull Text
Date of Patent:
Nov. 21, 2017

Filed:

Jun. 14, 2013

Layered structure for oled device, method for manufacturing the same, and oled device having the same

Applicant:

Saint-gobain Glass France, Seoul, KR;

Inventors:

Young Seong Lee, Seoul, KR;

Jin Woo Han, Seoul, KR;

Ji Woong Baek, Seoul, KR;

Assignee:

SAINT-GOBAIN GLASS FRANCE, Courbevoie, FR;

Attorney:

Pillsbury Winthrop Shaw Pittman LLP

Primary Examiner:

Khiem D Nguyen

Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 51/52 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); H01L 51/56 (2006.01); C03C 3/066 (2006.01); C03C 3/068 (2006.01); C03C 17/00 (2006.01); C03C 17/34 (2006.01); C03C 17/42 (2006.01); C03C 8/04 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5268 (2013.01); C03C 3/066 (2013.01); C03C 3/068 (2013.01); C03C 8/04 (2013.01); C03C 17/002 (2013.01); C03C 17/007 (2013.01); C03C 17/3411 (2013.01); C03C 17/3435 (2013.01); C03C 17/42 (2013.01); H01L 51/0096 (2013.01); H01L 51/5012 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5206 (2013.01); H01L 51/5215 (2013.01); H01L 51/5221 (2013.01); H01L 51/5262 (2013.01); H01L 51/56 (2013.01); C03C 2217/452 (2013.01); C03C 2217/475 (2013.01); C03C 2217/477 (2013.01); C03C 2217/478 (2013.01); C03C 2217/48 (2013.01); C03C 2217/70 (2013.01); C03C 2217/91 (2013.01); C03C 2217/948 (2013.01); C03C 2218/32 (2013.01); H01L 51/005 (2013.01); H01L 51/0055 (2013.01); H01L 51/0058 (2013.01); H01L 51/0072 (2013.01); H01L 51/0077 (2013.01); H01L 51/0081 (2013.01); H01L 2251/5346 (2013.01); H01L 2251/5369 (2013.01); H01L 2251/558 (2013.01); Y10T 428/24496 (2015.01); Y10T 428/249961 (2015.04);
Abstract

A layered structure for an organic light-emitting diode (OLED) device, the layered structure including a light-transmissive substrate and an internal extraction layer formed on one side of the light-transmissive substrate, in which the internal extraction layer includes (1) a scattering area containing scattering elements composed of solid particles and pores, the solid particles having a density that decreases as it goes away from the interface with the light-transmissive substrate, and the pores having a density that increases as it goes away from the interface with the light-transmissive substrate, and (2) a free area where no scattering elements are present, formed from the surface of the internal extraction layer, which is opposite to the interface, to a predetermined depth.

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