Display element, image observation system having display...

Details Display element, image observation system having display... Display element, image observation system having display...

2006-05-02

2006-05-02

Palmer, Phan (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S130000

Reexamination Certificate

active

07039287

ABSTRACT:
Provided is a small size, high resolution display element with an extremely high utilization efficiency of light emitted by a light source unit and a high contrast. A display element of the present invention has a photonic crystal, a light source unit, and a control unit. The control unit changes the resonance wavelength of point defect resonators formed within the photonic crystal, thus effecting a control between a state in which light guided from the light source unit to a linear defect waveguide is emitted to the outside of the photonic crystal, and a state where emission of light to the outside of the photonic crystal is blocked.

REFERENCES:
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European Patent Office; “European Search Report”; date of mailing Jul. 1, 2005; (3 pages).

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