US Patent 7420323 Electroluminescent apparatus having a structured luminescence conversion layer

Patent 7420323 was granted and assigned to Osram Opto Semiconductors GmbH on September, 2008 by the United States Patent and Trademark Office.

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Current Assignee

Osram Opto Semiconductors GmbH

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74203230

Patent Inventor Names

Benjamin Claus Krummacher0

Date of Patent

September 2, 2008

Patent Application Number

112645160

Date Filed

October 31, 2005

Patent Primary Examiner

‌

Karabi Guharay

Patent abstract

An apparatus such as a light source is disclosed which has an OLED device and a structured luminescence conversion layer disposed on the substrate or transparent electrode of said OLED device and on the exterior of said OLED device. The structured luminescence conversion layer contains color-changing and non-color-changing regions arranged in a particular pattern.

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