Ultrathin television

The invention discloses an ultrathin television comprising a backlight module that comprises a light source; a backboard arranged on one side of the backlight module, wherein the backboard comprises acentral layer body and a metal board covering the outer side of the central layer body, at least one heat dissipation channel is formed in the backboard, and the at least one heat dissipation channelis connected with the metal board; and a heat dissipation component that comprises a first section and a second section, wherein the first section is arranged on the light source side of the backlight module and used for absorbing the heat of the light source, and the second section of the heat dissipation component is matched with the heat dissipation channel and accommodated into the heat dissipation channel, so as to be connected with the metal board. 种超薄电视，包括：背光模组，包括光源；背板，设于所述背光模组的侧，所述背板包括芯层主体及包覆于所述芯层主体外侧的金属板，所述背板内部形成有至少条散热通道，所述至少条散热通道与所述金属板相接；及散热部件，包括第段与第二段，所述第段设于所述背光模组的光源侧，用于吸收所述光源的热量，所述散热部件的第二段与所述散热通道相匹配并收容于所述散