Patent ID: 9581757
Date: 2017-02-28
CPC Classifications: G02B,G02F,H04N

Claim:
1. A lighting device, comprising: a light source; a light guide plate including an end surface and a plate surface, the end surface being arranged opposite the light source and configured as a light entrance surface through which light enters, the plate surface being configured as a light exit surface through which light exits; a chassis supporting another plate surface of the light guide plate, the other plate surface being opposite from the light exit surface; a light source mounting member on which the light source is mounted, the light source mounting member including a bottom plate that extends parallel to at least the other plate surface of the light guide plate; and a heat dissipation member extending parallel to a plate surface of the bottom late and being in surface contact with the plate surface of the bottom plate; wherein the bottom plate and the heat dissipation member are arranged such that the chassis is sandwiched between the other plate surface of the light guide plate and the bottom plate and the heat dissipation member, the heat dissipation member includes a chassis contact portion and a chassis non-contact portion, the chassis contact portion contacts a plate surface of the chassis opposite from the light guide plate, and the chassis non-contact portion is opposite the plate surface of the chassis opposite from the light guide plate via an air layer.