| 摘要 |
PURPOSE: A device for eliminating dust on a screen of a projection television is provided to prevent the flaming of screen quality and improve the screen quality by preventing dust and other dust like material from piling up on the screen. CONSTITUTION: The device using a screen characterizes in forming a conductive material at the black strip part of the fresnel screen(4) and combining the fresnel screen (4) and lenticular screen(5) with the conductive tape. The conductive material is formed by adding additional chrome component as a magnetic medium at the black ink of the black strip part. Accordingly, dust and other dust like materials are prevented from piling on the screen and the quality of the screen in its brightness is improved.
|
