Display using light guide and refractive index control

Details Display using light guide and refractive index control Display using light guide and refractive index control

2009-07-29

2010-10-05

Kim, Richard H (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C362S606000, C345S087000

Reexamination Certificate

active

07808579

ABSTRACT:
Some embodiments provide a device including a first material associated with a controllable refractive index, a second material associated with a first refractive index, and a third material disposed between the first material and the second material, the third material being substantially transparent to a plurality of visible light wavelengths and being associated with a second refractive index greater than the first refractive index. Devices according to some embodiments may be employed as a display in a laptop computer, a desktop computer, a personal digital assistant, a minicomputer, a projection television, a front projector, etc.

REFERENCES:
patent: 6181367 (2001-01-01), McGrew et al.
patent: 2002/0140879 (2002-10-01), Fujieda
patent: 2005/0018105 (2005-01-01), Inoue et al.
patent: 11 249580 (1999-09-01), None
“PCT International Search Report of the International Search Authority”, mailed May 16, 2006, for PCT/US2006/000137, 5 pgs.

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