OLED display with circular polarizer

Details OLED display with circular polarizer OLED display with circular polarizer

2007-08-21

2007-08-21

Baumeister, B. William (Department: 2891)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

Reexamination Certificate

active

10817536

ABSTRACT:
A top-emitting OLED display that includes a substrate; an array of OLED light emissive elements formed over the substrate; an encapsulating cover located over the OLED light emissive elements; and a circular light polarizer located between the encapsulating cover and the OLED light emissive elements. The present invention has the advantage that it improves the contrast and robustness of an OLED display by protecting the circular light polarizer from environmental wear and enables the application of additional structures on the top of the encapsulating cover.

REFERENCES:
patent: 5055894 (1991-10-01), Chan
patent: 2002/0056898 (2002-05-01), Lopes et al.
patent: 2002/0172839 (2002-11-01), Van Hal et al.
patent: 2004/0179283 (2004-09-01), Jones et al.

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