Liquid crystal projector having a video monitor
AssigneeSamsung Electronics Co., Ltd.
InventorHan-il Ko
Life of this patent
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Abstract
A liquid crystal projector has a video monitor for displaying the same image as that displayed on a screen. The video monitor uses an amount of the light which is not displayed on the front screen according to the light transmission characteristic of a dichroic mirror, to thereby enable a user to view the same image as that displayed on the front screen through a projection lens.
Claims5
A liquid crystal projector comprising a means for color-separating white light projected from a light source into color light, a liquid crystal panel for applying a video signal to the color light obtained through the color separation, and a projection lens for adjusting a focus of the color light to which the video signal is applied so as to be projected on a screen, said liquid crystal projector further comprising:
- dichroic mirror means which receives the color light to which the video signal is applied and supplies a first part of the respective color light to the projection lens through light transmission or light reflection;
- and
- a monitor which receives a second part of the respective color light received by the dichroic mirror means as a received colorlight and displays the received color light as an image.
Dependencies are inferred from the claim text.