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 8408960 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 02, 2013

Filed:

Feb. 27, 2012
Applicants:

Doo Hee Cho, Kaejeon, KR;

Jeong Ik Lee, Gunpo-si, KR;

Jin Wook Shin, Incheon, KR;

Jong Hee Lee, Daejeon, KR;

Hye Yong Chu, Daejeon, KR;

Joo Won Lee, Seoul, KR;

Jun Han Han, Daejeon, KR;

Inventors:

Doo Hee Cho, Kaejeon, KR;

Jeong Ik Lee, Gunpo-si, KR;

Jin Wook Shin, Incheon, KR;

Jong Hee Lee, Daejeon, KR;

Hye Yong Chu, Daejeon, KR;

Joo Won Lee, Seoul, KR;

Jun Han Han, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of fabricating an organic light emitting diode using phase separation. The method includes preparing a transparent substrate. A first light path control layer is formed on the transparent substrate. The first light path control layer includes a mixture of a first medium and a second medium having a lower refractive index than the first medium using the phase separation. An anode, an organic emission layer, and a cathode are sequentially stacked on the first light path control layer. In this method, an OLED with improved light extraction efficiency can be fabricated using a simple and inexpensive process.


Find Patent Forward Citations

Cho, Doo. (2013). Method of fabricating an organic light emitting diode using phase separation (U.S. Patent No. 8408960). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8408960

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