Light guide plate with high outgoing light uniformity, and manufacturing method for light guide plate

Abstract

The invention discloses a light guide plate with the high outgoing light uniformity, and a manufacturing method for the light guide plate. The light guide plate has a light incoming surface and a light outgoing surface which is perpendicular and adjacent to the light incoming surface. Moreover, the light guide plate also comprises a plurality of first recessed grooves and a plurality of second recessed grooves. The first recessed grooves are formed in the light outgoing surface in an embossing manner through an embossing roller, and the first recessed grooves have the first depths, wherein thefirst depth is 50-90 microns. The second recessed grooves are formed in the light outgoing surface in an embossing manner through the embossing roller, and the second recessed grooves have the seconddepth, wherein the first depth is 50-90 microns. The second recessed grooves and the first recessed grooves are intersected, and the recessed grooves with two depths can be formed in the embossing mode through the embossing roller. Therefore, the second recessed grooves eliminates a directly sprayed pattern formed in the adjacent light incoming surface region, and the first recessed grooves eliminate the intersected patterns formed by the second recessed grooves in the adjacent light incoming surface region, thereby improving the overall light outgoing effect of the light guide plate.

Description

technical field [0001] The invention relates to the field of light guide components, in particular to a light guide plate with high light uniformity and a manufacturing method thereof. Background technique [0002] The light guide plate has excellent optical guiding properties, so it has been widely used in various electronic devices that need light emitting or illuminating functions for providing light. In order to make electronic devices using light guide plates, such as displays, have better image and brightness performance, practitioners in this field are mostly working towards the goal of how to make the light output from the light guide plate more uniform when developing and designing. [0003] In order to make the light guide plate have the desired luminous effect, generally an optical microstructure is designed on the light guide plate to facilitate adjustment of the light emitting state. Under higher standards and the demand for multiple light outputs, the optical ...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a light guide plate with high light uniformity and its manufacturing method in order to overcome the defects of poor light uniformity and low production speed of the light guide plate in the prior art

Images