Abstract: A light guide plate is adapted for use with at least one light source that is capable of providing source light beams. The light guide plate includes a plate body, and a plurality of light-guiding structures that are distributed on the plate body. Each of the light-guiding structures is in a substantially quadrilateral pyramidal form, and includes a quadrilateral lower end that has four corners, and a tapered upper end that is disposed opposite to the lower end. Each of the light-guiding structures further includes four sides, each of which is defined by the upper end and a corresponding adjacent pair of the corners, adjacent ones of the sides being interconnected.

Abstract: The present invention discloses a high-brightness light guide plate, which is a plate formed by a transparent resin having a high refractive index. An incident plane is disposed on a lateral side of the light guide plate, and a light emitting plane is disposed on a surface of the light guide plate. A reflective plane is disposed on a backside of light guide plate facing the light emitting plane and the light guide plate has a plurality of cells sunken into the reflective plane to form a diffusion pattern. The light guide plate has a plurality of diffusion points embossed at the light emitting plane, and each diffusion point is disposed on the light emitting plane, such that the manufacturing cost of a light guide plate mold can be lowered by improving the taste and the uniformity.

Abstract: A light guide plate is adapted for use with at least one light source that is capable of providing source light beams. The light guide plate includes a plate body, and a plurality of light-guiding structures that are distributed on the plate body. Each of the light-guiding structures is in a substantially quadrilateral pyramidal form, and includes a quadrilateral lower end that has four corners, and a tapered upper end that is disposed opposite to the lower end. Each of the light-guiding structures further includes four sides, each of which is defined by the upper end and a corresponding adjacent pair of the corners, adjacent ones of the sides being interconnected.