Patent ID: 7563015
Filing Date: 2009-07-21
Classification: G02B,G02F

Abstract:
1. A back light module comprising: a frame body having a central portion formed with a depositing space and a peripheral edge disposed with radiating heat fins; a back board formed integral with said frame body, said back board is provided with heat radiating grains; a lighting member which has LEDs assembled on a PCB installed at an inner peripheral edge of said frame body; a reflecting sheet positioned in said frame body; a light-guiding plate disposed in said frame body and positioned in front of said reflecting sheet, said light-guiding plate having one edge formed with a transparent portion corresponding with a location of said lighting member, said light-guiding plate having other edges respectively formed with an opaque portion, said opaque portion respectively stuck thereon with a reflecting strip; a diffusion sheet provided in said frame body and positioned before said light-guiding plate; and an upper cover fixedly combined with said frame body by mutual engagement.