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:
Aug. 25, 2009
Filed:
Dec. 08, 2005
Young-woo Song, Suwon-si, KR;
Yoon-chang Kim, Suwon-si, KR;
Jong-seok OH, Suwon-si, KR;
Sang-hwan Cho, Suwon-si, KR;
Ji-hoon Ahn, Suwon-si, KR;
Joon-gu Lee, Suwon-si, KR;
So-young Lee, Suwon-si, KR;
Jae-heung Ha, Suwon-si, KR;
Young-Woo Song, Suwon-si, KR;
Yoon-Chang Kim, Suwon-si, KR;
Jong-Seok Oh, Suwon-si, KR;
Sang-Hwan Cho, Suwon-si, KR;
Ji-Hoon Ahn, Suwon-si, KR;
Joon-Gu Lee, Suwon-si, KR;
So-Young Lee, Suwon-si, KR;
Jae-Heung Ha, Suwon-si, KR;
Samsung Mobile Display Co., Ltd., Yongin, KR;
Abstract
An electroluminescence (EL) display device with improved external light coupling efficiency and brightness that can be easily manufactured and a method of manufacturing the EL display device are disclosed. In one embodiment, the EL display device includes a substrate, a first electrode formed above the substrate, a second electrode formed above the first electrode and facing the first electrode, a first intermediate layer including a luminescence layer and disposed between the first and second electrodes, a color converting layer disposed on top of the second electrode and a diffraction grating disposed between the second electrode and the color converting layer.