A screen comprising: a first diffusion plate for transmitting a laser light for image display; a second diffusion plate spaced apart a preset distance from the first diffusion plate; and a plurality of optical transmission tubes arranged between the first diffusion plate and the second diffusion plate to transfer the laser light transmitted from the first diffusion plate to the second diffusion plate, wherein the optical transmission tube comprises: a body portion comprising a first surface facing the first diffusion plate and a second surface facing the second diffusion plate; a through hole penetrated from a central region of the first surface provided in the body portion to a central region of the second surface provided in the body portion; and at least one optical fiber arranged in the through hole to transfer the laser light, characterized in that : a bid layer for optical diffusion is disposed on the first diffusion plate, wherein the first surface of the body portion provided in the optical transmission tube is spaced apart a first distance from the first diffusion plate such that an adhesion layer is disposed between the first surface and the first diffusion plate, wherein the bid layer is disposed on an opposite surface of the first surface with respect to the first diffusion plate. a first diffusion plate for transmitting a laser light for image display; a second diffusion plate spaced apart a preset distance from the first diffusion plate; and a plurality of optical transmission tubes arranged between the first diffusion plate and the second diffusion plate to transfer the laser light transmitted from the first diffusion plate to the second diffusion plate, wherein the optical transmission tube comprises: a body portion comprising a first surface facing the first diffusion plate and a second surface facing the second diffusion plate; a through hole penetrated from a central region of the first surface provided in the body portion to a central region of the second surface provided in the body portion; and at least one optical fiber arranged in the through hole to transfer the laser light, characterized in that : a bid layer for optical diffusion is disposed on the first diffusion plate, wherein the first surface of the body portion provided in the optical transmission tube is spaced apart a first distance from the first diffusion plate such that an adhesion layer is disposed between the first surface and the first diffusion plate, wherein the bid layer is disposed on an opposite surface of the first surface with respect to the first diffusion plate. a body portion comprising a first surface facing the first diffusion plate and a second surface facing the second diffusion plate; a through hole penetrated from a central region of the first surface provided in the body portion to a central region of the second surface provided in the body portion; and at least one optical fiber arranged in the through hole to transfer the laser light, characterized in that : a bid layer for optical diffusion is disposed on the first diffusion plate, wherein the first surface of the body portion provided in the optical transmission tube is spaced apart a first distance from the first diffusion plate such that an adhesion layer is disposed between the first surface and the first diffusion plate, wherein the bid layer is disposed on an opposite surface of the first surface with respect to the first diffusion plate. a bid layer for optical diffusion is disposed on the first diffusion plate, wherein the first surface of the body portion provided in the optical transmission tube is spaced apart a first distance from the first diffusion plate such that an adhesion layer is disposed between the first surface and the first diffusion plate, wherein the bid layer is disposed on an opposite surface of the first surface with respect to the first diffusion plate. <EOS>