Electrically-driven liquid crystal lens and stereoscopic...

Details Electrically-driven liquid crystal lens and stereoscopic... Electrically-driven liquid crystal lens and stereoscopic...

2011-06-28

2011-06-28

Hahm, Sarah (Department: 2874)

Liquid crystal cells, elements and systems

Liquid crystal system

Stereoscopic

C349S123000, C349S200000

Reexamination Certificate

active

07969517

ABSTRACT:
An electrically-driven liquid crystal lens wherein an electrode is defined with a vertical or horizontal rubbing direction, achieving an improved lens profile effect, and a stereoscopic display device using the same are disclosed. The liquid crystal lens includes first and second substrates arranged opposite each other and each including a plurality of lens regions, a plurality of first electrodes formed on the first substrate to correspond to the respective lens regions while being spaced apart from one another, to which voltages gradually increasing from the center to the edge of each lens region are applied, a second electrode formed over the entire surface of the second substrate, a first alignment film formed over the entire surface of the first substrate including the first electrodes and having an alignment direction parallel to or perpendicular to a longitudinal direction of the first electrodes, a second alignment film formed on the second electrode and having an anti-parallel alignment direction relative to the first alignment film, and a liquid crystal layer filled between the first substrate and the second substrate.

REFERENCES:
patent: 7697109 (2010-04-01), Yun et al.
patent: 2009/0015737 (2009-01-01), Jung et al.
patent: 2009/0122210 (2009-05-01), Im
patent: 2009/0153653 (2009-06-01), Lee et al.
patent: 2010/0007807 (2010-01-01), Galstian et al.
patent: 2010/0157181 (2010-06-01), Takahashi

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