A glass light guide plate for edge-lit LED TV and preparation method thereof

Abstract

The invention relates to a light guide plate, and discloses a glass light guide plate for an edge-lit LED television and a preparation method. The glass light guide plate for the edge-lit LED television employs aluminum borosilicate glass, the aluminum borosilicate glass comprises the following basal components in percentages by weight: 64.5-67.5% of SiO2, 9.0-9.6% of B2O, 7.0-8.0% of Al2O3, 5.0-7.0% of K2O, 6.0-6.5% of Na2O, and 5-6% of ZnO; wherein the total amount of SiO2 and Al2O3 is 71.5-75.5%, the total amount of Na2O and K2O is 11-13.5%, the mol ratio of n(K2O) to n(Na2O) is 0.5-0.75, and the mol ratio of n(B2O3) to n(SiO2) is 0.11-0.13. The light guide plate has the characteristics of high glass strength without easy crack, and can satisfy the special moulding demands of ultrathin float glass.

Description

technical field [0001] The invention relates to a light guide plate, in particular to a glass light guide plate for a side-light LED TV and a preparation method thereof. technical background [0002] At present, the development of LCD TV and its components (such as backlight and optical film) is gradually mature. The mainstream is thicker direct-lit LED backlight LCD TV, and the light guide plate material of LCD backlight is mainly acrylic. , that is, acrylic, the thickness is generally 3-5mm, restricted by the performance of acrylic, it is difficult for designers to reduce the thickness of the TV; in order to reduce the thickness and weight of the liquid crystal display, the edge-lit backlight Liquid crystal displays are gradually replacing direct-lit LED-backlit liquid crystal displays. [0003] The glass light guide plate is a component of the edge-lit LED TV. The edge-lit backlight uses the light guide plate to convert the point light source into a surface light source....

AI Technical Summary

Problems solved by technology

The physical strength of this kind of board resin is not high, and humidity and heat will cause problems such as expansion, etc., which are solved by strengthening the TV shell and using a variety of accessories;

[0007] In the prior art, a small part of the light guide plate material uses ordinary silicate glass, but ordinary silicate glass is used as the light guide plate, and laser dots are used. There will be small cracks around the dots, and the cracks are easy to expand when a little external force is applied. Make the glass brittle and affect the strength of the light guide plate, which is not conducive to improving the quality

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