US Patent 7199514 Display device with anti-reflection structure

Patent 7199514 was granted and assigned to Sanyo on April, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

Kiyoshi Yoneda0

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Patent abstract

An organic EL element with an emissive layer and a second electrode layer is formed on a device glass substrate in an organic EL display device. The second electrode layer covers the emissive layer. An anti-reflection layer for preventing the reflection of light by the second electrode layer is formed on the device glass substrate except the region where the emissive layer is formed. Since this layer prevents the reflection of light by the second electrode layer, only the light from the emissive layer radiates outwards through the device glass substrate, improving the contrast of the organic EL display device.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=071995140

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