The subject innovation relates to a LED chaekbatchim, black film in an upper portion of the main body of the rectangular shape will be attached to or provided with a transparent panel, a black film is applied, it is provided with a locking step which is used when used as a reading desk combine in an upper portion of the main body , is equipped with a light sensor for sensing ambient light, a first clamp containing a fixed body, a metal weight load, and a plurality of elastic spring to secure the paper to the top of the main body is provided, whether in the lower surface of the main body districts the mounting groove is formed, and the main body member attached to the film, including the non-skid material to the lower surface of the main body, a plurality of LED modules that are arranged in a matrix form on the inside of the main body are provided, an upper portion of the plurality of LED modules and having a horizontal underscore, vertical lines and the light-emitting member which is provided with the light emitting plate is formed so as to radiate the light emission pattern, a second input button for the first input button and the light emitting mode selected for the power on or off is provided, wherein 1 provides an input button power on the input signal or the power-off the input signal through, and with the input member for providing a mode select signal through the second input button, to power according to the power on the input signal, the power-off and the power supply member to cut off the power supply according to the input signal, wherein the support and the first rotating shaft rod and the second rotating shaft rod is provided in the opening of both ends of the earth mounting groove, wherein the first axis of rotation load and the second axis of rotation rod through the is equipped with a global support that is rotatably coupled, it is provided in the form in which the paper corresponds to the planet mounting groove in which the supporting districts elastic spring steel, not above, depending on the gradient you want to establish whether remind turning the Earth into outer and the support member is supported in any one of the supporting projection formed in the interior of the Earth mounting groove, and the cover in the form corresponding to the main body by the main body and folded manner and unfolding provided the cover body, the elasticity for a paper accommodated in the inner surface and a covering member which second fastener is provided with a band method, wherein the second light is horizontal underscore emitted from the LED module of the plurality of response to the mode select signal provided from the input button, vertical underlines, horizontal lines and vertical lines and the island control to be represented by one of the light emission pattern, wherein the roughness based on the power via the power supply member to light corresponding to a larger value according to the luminance detection signal supplied from the sensor by a difference between a preset than the reference light such that the light is emitted It may comprise a control unit for controlling power supply to supply more than enough additional supply predetermined feed rate.