Patent ID: 6493440
Filing Date: 2002-12-10
Classification: G02F,H05K

Abstract:
A LCD display, comprising:an environmentally-sealed enclosure having a front portion and a rear portion; a lens placed on said front portion for viewing of the LCD display; a backlight assembly attached to said rear portion and having at least one backlight; a heat sink connected to the outside of said rear portion to convectively transfer heat through said enclosure to the atmosphere; a LCD module located in between said lens and said backlight assembly and in between the top and bottom of said enclosure to form air gaps at the top and bottom of the inside of said enclosure to form a circular airflow path for the ambient air inside said enclosure; and a fan placed in said airflow path to circulate the ambient air inside said enclosure to said rear portion to transfer heat in the ambient air through said enclosure to said heat sink and to the atmosphere using forced convection.