BACKLIGHT PANEL AND REFLECTION PLATE FOR BACKLIGHT PANEL

摘要

Provided is a backlight panel, wherein a light guiding plate (3) is made to be tabular, and a light exiting face thereof is configured to be smooth. A reflection plate (5) is formed by having spacer treatment (7) executed on a base material (6). The spacer treatment (7) is executed using beads (11), and a coating film (13) or the like for fixing the beads (11) onto the base material (6). Pattern processing in accordance with the distance from a light source (9) is implemented for the spacer treatment (7) to be executed on the surface of the reflection plate (5). Light emitted from the light source (9) enters inside the light guiding plate (3). Light beams entering the light guiding plate (3) are reflected inside the light guiding plate (3), or light beams exiting from the back-face side of the light guiding plate (3) are reflected by the reflection plate (5), and the light beams exit from the front face of the light guiding plate (3) forming a surface light-source. At this juncture, the light beams reflected by the reflection plate (5) are diffused by the spacer treatment (7) and other factors, and the degree of diffusion is varied in accordance with the distance from the light source (9).