Light guide plates and backlight module

Details Light guide plates and backlight module Light guide plates and backlight module

2009-08-20

2011-12-06

Shallenberger, Julie (Department: 2885)

Illumination

Edge lighted panel

Light guide

C362S623000

Reexamination Certificate

active

08070345

ABSTRACT:
A light guide plate includes a body having a bottom surface and a light output surface opposite to the bottom surface. A reflector is located on the light output surface opposite to the center of the bottom surface. The reflector is a cavity concaved from the light output surface to the inside of the body. A plurality of scattering dots are located on the bottom surface. The scattering dots are arranged in the form of a plurality of concentric circles around the center of the bottom surface. The number of the scattering dots is defined based on a radius of the circle they reside on, and the radius of the circle is greater than or substantially equal to 4 millimeter.

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Shoji Kawamura, Capturing images with digital still cameras, Micro, IEEE vol. 18, issue:6,Nov.-Dec.1998 pp. 14-19.

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