Patent ID: 9411169
Filing Date: 2016-08-09
CPC Classification: G02B,G03B

Claim Text:
1. A screen comprising: a first diffusion plate configured to transmit a laser light for image display, a bead layer for optical diffusion provided on the first diffusion plate; a second diffusion plate spaced apart a predetermined 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 from the first diffusion plate to the second diffusion plate, wherein at least one of the optical transmission tubes includes: wherein the first surface of the body portion provided in the at least one of the optical transmission tubes is spaced apart a first distance from the first diffusion plate such that an adhesion layer is provided between the first surface of the body portion and a first surface of the first diffusion plate, and wherein the bead layer is provided on a second surface of the first diffusion plate opposite the first surface of the first diffusion plate.