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:
Mar. 10, 2015

Filed:

Mar. 15, 2013
Applicants:

Chia-hsiung Chang, Tainan, TW;

Wen-chun Wang, Taichung, TW;

Inventors:

Chia-Hsiung Chang, Tainan, TW;

Wen-Chun Wang, Taichung, TW;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/00 (2006.01); H05B 33/00 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
F21V 5/002 (2013.01); H01L 51/52 (2013.01); H01L 51/5275 (2013.01); H01L 51/524 (2013.01); H01L 2251/5315 (2013.01);
Abstract

An organic light emitting device including a first substrate, a second substrate parallel to the first substrate, and an organic light emitting unit disposed between the first substrate and the second substrate is provided. The first substrate has a plurality of first light guiding microstructures. A distribution density of the first light guiding microstructures is in a range of 100 to 2000 pcs/mm, wherein the first light guiding microstructures are located inside the first substrate and a material of the first substrate includes a photosensitive material.


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