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US Patent 7268485 White-emitting microcavity OLED device

Patent 7268485 was granted and assigned to Eastman Kodak on September, 2007 by the United States Patent and Trademark Office.

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Patent abstract

A white light emitting OLED apparatus includes a microcavity OLED device and a light-integrating element, wherein the microcavity OLED device has a white light emitting organic EL element and the microcavity OLED device is configured to have angular-dependent narrow-band emission, and the light-integrating element integrates the angular-dependent narrow-band emission from different angles from the microcavity OLED device to form white light emission.

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