BACKLIGHT UNIT ASSEMBLY OF A PICTURE FRAME TYPE ADVERTISEMENT DEVICE, WHICH IS USED FOR A SUBWAY STATION, A PLATFORM, OR A BUILDING

摘要

PURPOSE: A backlight unit assembly of a picture frame type advertisement device is provided, which can improve heat discharging efficiency by transferring heat generated from the LED module to the frame through a heat transfer tape.;CONSTITUTION: An LED module(20) has a PCB inserted between the first lateral wall and the second sidewall and LED installed in PCB at the regular interval. The heat transfer tape(30) sticks a PCB substrate to the inner wall. A light guide plate(40) is inserted into the first lateral wall(12), is supported by the second sidewall, and forms a pattern for inducing the route of the light on one page. A reflection sheet(50) is attached to the side in which the pattern is formed. A fixing tape(60) is attached to the edge of the light guide plate and the first lateral wall.;COPYRIGHT KIPO 2010