Provided is a display module cabinet having the slim front frame width and improved design and keeping strength against breakage. In addition, provided is the cabinet having the elegant rear cover, which reduces costs and time in assembling the display device. The cabinet includes a front cover and a rear cover. The front cover includes a front frame portion defining an opening and a side frame portion extended backward from the front frame portion and including a thick portion and a thin portion that are sequentially formed. The rear cover includes a rear portion and a peripheral portion extended forward from the rear portion and including a thick portion and a thin portion that are sequentially formed. A protruding portion is extended backward from the thick portion of the front cover so as to be interposed between the thin portion of the rear cover and the display module. A protruding portion is extended forward from the thick portion of the rear cover so as to be interposed between the thin portion of the front cover and the display module.