Polarized light-emitting device

Details Polarized light-emitting device Polarized light-emitting device

2011-01-18

2011-01-18

Wong, Tina M (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S070000, C359S321000

Reexamination Certificate

active

07872706

ABSTRACT:
Polarized light-emitting device with a light source, multiple layers of first optical thin films and second optical thin films alternately stacked is disclosed. Each first optical thin film has a number of first geometric units, and each second optical thin film has a number of second geometric units. The first geometric units and the second geometric units are arranged as a secondary periodic structure on the light-emitting surface of the light source. The polarized light-emitting device is able to provide polarized light with higher brightness and polarized light of a specified polarization characteristic.

REFERENCES:
patent: 6563141 (2003-05-01), Dawson et al.
patent: 7136217 (2006-11-01), Kawakami et al.
patent: 7663153 (2010-02-01), Huang et al.
patent: 7819558 (2010-10-01), Parker et al.
patent: 2004/0080808 (2004-04-01), Kawakami et al.

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