Laser optical system for liquid crystal display device

Details Laser optical system for liquid crystal display device Laser optical system for liquid crystal display device

2007-02-20

2007-02-20

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

Reexamination Certificate

active

10876684

ABSTRACT:
A laser beam optical system for an LCD device includes a laser light source, a variable attenuator for controlling an intensity of a laser light from the laser light source, a telescope lens for gathering the laser light having the controlled intensity from the variable attenuator in the length and width directions, a beam homogenizer including a filter for controlling a sectional profile of the laser light from the telescope lens vertical to the length direction, a condenser for focusing the laser light from the beam homogenizer, and a target to which the laser light is irradiated.

REFERENCES:
patent: 6341042 (2002-01-01), Matsunaka et al.
patent: 6870126 (2005-03-01), Jyumonji et al.
patent: 2001/0043399 (2001-11-01), Murra et al.
patent: 2005/0059223 (2005-03-01), Im

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