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.

Date of Patent:
Dec. 01, 2015

Filed:

Dec. 18, 2013
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Eun-Jung Park, Daegu, KR;

Sang-Dae Kim, Paju-si, KR;

Byung-Soo Kim, Goyang-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5275 (2013.01); H01L 51/0053 (2013.01); H01L 51/5256 (2013.01);
Abstract

An organic light emitting display device includes a first electrode formed on a substrate, a second electrode facing the first electrode, a blue emission layer formed between the first and second electrodes, a capping layer formed on the second electrode, and a front sealing layer formed on the capping layer and comprising an inorganic barrier layer and an organic barrier layer alternately formed at least once, wherein a luminescent dopant included in the blue emission layer has a maximum photoluminescence wavelength of 465 nm or less, and blue light generated from the blue emission layer and emitted via the front sealing layer or the substrate has a Y color coordinate (CIEy) of 0.055 or less.


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