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OLED lighting devices having multi element light extraction and luminescence conversion layer

Patent ·
OSTI ID:1014891
 [1];  [2]
  1. Regensburg, DE
  2. Mountain View, CA
+ Show Author Affiliations

An apparatus such as a light source has a multi element light extraction and luminescence conversion layer disposed over a transparent layer of the light source and on the exterior of said light source. The multi-element light extraction and luminescence conversion layer includes a plurality of light extraction elements and a plurality of luminescence conversion elements. The light extraction elements diffuses the light from the light source while luminescence conversion elements absorbs a first spectrum of light from said light source and emits a second spectrum of light.

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):
7,834,546
Application Number:
US Patent Application 11/947,458
OSTI ID:
1014891
Country of Publication:
United States
Language:
English

References (4)

Application of radiative transport theory to light extraction from organic light emitting diodes journal March 2004
QUANTUM EFFICIENCIES OF FLUORESCENCE OF ORGANIC SUBSTANCES: EFFECT OF SOLVENT AND CONCENTRATION OF THE FLUORESCENT SOLUTE 1 journal February 1961
Red-green-blue emission of parahexaphenyl devices with color-converting media journal November 1997
Organic light-emitting devices for illumination quality white light journal May 2002

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