Patent ID: 8057059

Claim:
A lighting device, comprising: a metal chassis having a bottom section and a side section, the chassis housing a fluorescent tube in an area thereof surrounded by the bottom section and the side section; an optical sheet that is disposed at a front side of the chassis and at least diffuses light from the fluorescent tube; a support member that supports the optical sheet and is installed on an installation section formed at a predetermined portion of the bottom section of the chassis; a power supply substrate that is disposed at a rear side of the chassis and supplies power to the fluorescent tube, the rear side of the chassis being opposite to the front side of the chassis; and an insulation sheet that is disposed between the chassis and the power supply substrate and bonded to the bottom section of the chassis for electrically insulating the chassis and the power supply substrate from each other, wherein the installation section of the chassis is disposed in an area that needs to be electrically insulated by the insulation sheet, the installation section projecting not rearward but frontward from the bottom section of the chassis, and the support member is installed on the installation section of the chassis so as not to project rearward from a bonding surface between the bottom section of the chassis and the insulation sheet.