KR970073065A - Projection TV with subtitle processing function (TV) - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a projection TV, and more particularly, to a projection TV having a caption processing function for caption processing on a screen screen to be displayed.

A projection TV having a subtitle processing function for projecting a TV program image displayed on an LCD panel to light emitted from a main lamp and providing the same to a screen includes a subtitle display element for displaying the state of the projection TV by character display ; An auxiliary lamp which is quick-started immediately after power application and projects a character image displayed on an element for displaying an up-gradation subtitle with a predetermined light intensity; A reflective mirror for reflecting the projected character image; A projection lens for controlling the focus of the character image reflected on the reflection mirror and displaying it on a screen; A subtitle display control unit for controlling the subtitle display element, and a microcomputer control unit for controlling on / off of the subtitle display control unit and the sub-ramp. The projection TV having the caption processing function according to the present invention can easily recognize the state of the projection TV by displaying the waiting guide and the like on the screen as a character display for a while using the assist lamp capable of quick start.

Description

Projection TV with subtitle processing function (TV)

Since this is a trivial issue, I did not include the contents of the text.

FIG. 2 is a block diagram for explaining a projection TV having a caption processing function according to the present invention.

Claims (2)

A main lamp for providing projection light; an LCD panel unit for displaying the signal-processed image signal; and a control unit for controlling the focus of the image projected on the LCD panel. The image signal processing unit for processing the TV image signal, the microcomputer control unit for controlling the image signal processing unit, A subtitle display element for displaying the state of the projection TV by character display upon power application; A subtitle display control unit for controlling the display of the subtitle display element; An auxiliary lamp which is quick-started immediately after power application and emits light with a predetermined light intensity to project a character image displayed on the subtitle display element; And an image projected through the LCD panel by the light of the main lamp is positioned at a right angle between the caption display device and the LCD panel, and the character image projected by the sub lamp is reflected and provided to the projection lens Wherein the microcomputer control unit controls the subtitle display control unit and the borrow lamp for a predetermined time when the light source of the main lamp reaches a predetermined brightness when power is applied, Lt; / RTI > The projection TV as claimed in claim 1, wherein the sub-lamp is turned on when the power is turned on, and is turned off under the control of the microcomputer control unit for a predetermined time period during which the brightness of the main lamp light becomes normal. ※ Note: It is disclosed by the contents of the first application.