US Patent 7696687 Organic electroluminescent display device with nano-porous layer

Patent 7696687 was granted and assigned to Samsung on April, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Samsung

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76966870

Patent Inventor Names

Young-Woo Song0

Sang-Hwan Cho0

So-Young Lee0

Yoon-Chang Kim0

Ji-Hoon Ahn0

Jong-Seok Oh0

Joon-Gu Lee0

Date of Patent

April 13, 2010

Patent Application Number

111655490

Date Filed

June 24, 2005

Patent Primary Examiner

‌

Sikha Roy

Patent abstract

An organic EL display device, and a manufacturing method thereof, including a rear substrate, and an organic EL portion formed on a surface of the rear substrate. The organic EL portion includes a first electrode, an organic layer, and a second electrode sequentially stacked, and a nano-porous layer and a highly refractive layer are interposed between the rear substrate and the first electrode.

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