The present invention relates to a touch-screen-type digital information display, including a device for sterilizing a liquid crystal portion of a touch screen, and comprising: a main frame (10) that includes a first front plate (11) having a tetragonal opening part (11a), and two first side plates (13) extending rearward from either side of the first front plate (11) an auxiliary frame (20) that includes two second side plates (23) inserted between the first side plates (13), a second lower plate (25) disposed horizontally and connecting the lower portions of the second side plates (23) to each other, a second upper plate (26) disposed horizontally and connecting the upper portions of the second side plates (23) to each other, and a second middle plate (27) horizontally disposed at the middle of the second side plates (23) to support the rear portion of a liquid crystal display device (30) said liquid crystal display device (30) supported by said auxiliary frame (20) two side cover plates (60) surrounding the outer surfaces of the first side plates (13) and a lower frame (70). The second lower plate (25) is fixed to a support plate (77) by a second coupling means, whereby an assembly of the main frame (10), the auxiliary frame (20), a glass plate (40), a light-emitting device (50), and the side cover plates (60) is supported and fixed to the lower frame (70).La présente invention porte sur un dispositif daffichage dinformations numérique de type à écran tactile, comprenant un dispositif de stérilisation dune partie à cristaux liquides dun écran tactile, et comprenant : un cadre principal (10) qui comprend une première plaque avant (11) comportant une partie douverture quadratique (11a), et deux premières plaques latérales (13) sétendant vers larrière à partir de lun ou lautre côté de la première plaque avant (11) un cadre auxiliaire (20) qui comprend deux secondes plaques latérales (23) introduites entre les premières plaques latérales (13), une seconde plaque inf