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Organic light emitting diode display device having refraction layers that improve light extraction efficiency and color reproducibility

12/477,705 | U.S. Patent Application

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Location ELECTRONIC
Filed June 3, 2009
Examiner GLENN D ZIMMERMAN
Class 313
Art Group 2879
Patent No. 8,154,197
Case Type Utility - 313/504000
Status Patented Case
Child 10-2008-0053339
Last Updated: 2 years, 7 months ago
Date # Transaction