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.:
Date of Patent:
Sep. 23, 2014
Filed:
Sep. 13, 2012
Tomoko Sugizaki, Kanagawa-ken, JP;
Shintaro Enomoto, Kanagawa-ken, JP;
Akio Amano, Tokyo, JP;
Tomio Ono, Kanagawa-ken, JP;
Yasushi Shinjo, Kanagawa-ken, JP;
Yukitami Mizuno, Tokyo, JP;
Keiji Sugi, Kanagawa-ken, JP;
Tomoaki Sawabe, Tokyo, JP;
Toshiya Yonehara, Kanagawa-ken, JP;
Daimotsu Kato, Tokyo, JP;
Tomoko Sugizaki, Kanagawa-ken, JP;
Shintaro Enomoto, Kanagawa-ken, JP;
Akio Amano, Tokyo, JP;
Tomio Ono, Kanagawa-ken, JP;
Yasushi Shinjo, Kanagawa-ken, JP;
Yukitami Mizuno, Tokyo, JP;
Keiji Sugi, Kanagawa-ken, JP;
Tomoaki Sawabe, Tokyo, JP;
Toshiya Yonehara, Kanagawa-ken, JP;
Daimotsu Kato, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, an organic electroluminescent element includes: a first electrode having a first and a second major surfaces; a second electrode opposed to part of the first major surface; an organic luminescent layer provided between the first and the second electrodes; an optical layer having a third major surface opposed to the second major surface and a fourth major surface on opposite side from the third major surface. The fourth major surface includes a first region overlapping the second electrode, and a second region not overlapping the second electrode. The fourth major surface includes a first concave-convex provided in the first region and a second concave-convex provided in the second region. A planarization layer is provided on the second region and burying the second concave-convex.