Integrator of optical device
AssigneeLG Electronics Inc.
InventorsHo Joong Kang, Jong Myoung Park
Life of this patent
Estimating the term…
Abstract
An integrator of an optical device using a color drum is disclosed. The integrator includes an opening receiving a light generated from a lamp, an optical path part reflecting and passing forward the light received at the opening, a mirror part refracting and totally reflecting the light passed through the optical path part and changing a direction of the light being transmitted, a polarization plate transmitting light rays having a constant polarization direction, among the reflected light, and reflecting remaining light rays having other polarization directions, and a wave plate changing a phase of the light reflected from the polarization plate.
Claims16
An integrator of an optical device, comprising:
- an opening receiving a light generated from a lamp;
- an optical path part reflecting and passing forward the light received at the opening;
- a mirror part refracting and totally reflecting the light passed through the optical path part and changing a direction of the light being transmitted;
- a polarization plate transmitting light rays having a constant polarization direction, among the reflected light, and reflecting remaining light rays having other polarization directions;
- and
- a wave plate changing a phase of the light reflected from the polarization plate.
An optical device, comprising:
- a lamp generating light;
- an integrator including an optical path part passing on the light, and a mirror part refracting and totally reflecting the light and changing a transmission direction of the reflected light;
- a color drum filtering the light transmitted through the mirror part;
- a polarized beam splitter transmitting light rays having a constant polarization direction among the filtered light;
- and
- a liquid crystal on silicon panel displaying the light transmitted from the polarized beam splitter.
Dependencies are inferred from the claim text.