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Title: Using prismatic microstructured films for image blending in OLEDS

Patent ·
OSTI ID:988831

An apparatus such as a light source is disclosed which has an OLED device and a microstructured film disposed on the substrate or transparent electrode of said OLED device and on the exterior of said OLED device. The microstructured film contains features which diffuse light emitted by said OLED device and increase the luminance of the device.

Research Organization:
Osram Opto Semiconductors GmbH (Regensburg, DE)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-04NT41947
Assignee:
Osram Opto Semiconductors GmbH (Regensburg, DE)
Patent Number(s):
7,586,245
Application Number:
11/215,548
OSTI ID:
988831
Country of Publication:
United States
Language:
English

References (4)

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Organic light-emitting devices for illumination quality white light journal May 2002
Application of radiative transport theory to light extraction from organic light emitting diodes journal March 2004
Red-green-blue emission of parahexaphenyl devices with color-converting media journal November 1997