Patent ID: 9164224
Filing Date: 2015-10-20
Classification: G02B,G02F

Abstract:
1. A light guide plate for a LED backlight source, wherein the LED backlight source comprises a plurality of LED lamps arranged in a row in the first direction, and an LED lamp gap is formed between every two adjacent LED lamps; the light guide plate comprises a light guide plate body with a plurality of dots disposed thereon which are arranged in the first direction to form a plurality of dot rows and arranged in the second direction perpendicular to the first direction to form a plurality of first dot columns and a plurality of second dot columns, wherein each of the first dot columns corresponds to one of the LED lamps; each of the second dot columns corresponds to one of the LED lamp gaps; a light guide region is presented in the light guide plate body and is defined by taking centerlines of two adjacent LED lamp gaps as boundaries; and in the light guide region, the diameter of the dots in the same dot row is progressively increased from the middle to both sides, and the diameter of the dots in the same dot column is progressively increased along the direction far away from the LED lamp.