Backlight assembly, preparation method thereof and display device

Abstract

The invention relates to a backlight assembly, a preparation method thereof and a display device. The backlight assembly comprises a substrate, a hot-melting adhesion piece and an optical membrane which are overlapped in sequence; and the substrate comprises an optical visible area and a non-optical visible area, and the hot-melting adhesion piece is correspondingly arranged on the non-optical visible area. According to the backlight assembly, the hot-melting adhesion piece is arranged, then pressing is performed in a hot pressing roller manner, and drapes of the backlight assembly can be effectively prevented; and the backlight assembly comprises the substrate, so that stiffness of a membrane combination is sufficient, a membrane gap is small and stable, and normal optical adverse phenomena are avoided.

Description

technical field [0001] The invention relates to the field of optical technology, in particular to a backlight assembly, a preparation method thereof, and a display device. Background technique [0002] Traditional backlight structures are mainly divided into two types: direct-type and side-type. The backlight part of these two methods is realized through the combination of multiple diaphragms. But currently there are mainly the following problems: [0003] In production: each diaphragm is supplied independently, the quality control cost of incoming materials increases, and it is easy to be lost; during production operations, multiple diaphragms are stacked, and the dust in the air must be strictly controlled during the process, and the position and pressing of the diaphragms should also be controlled As a result, it is very troublesome, and the loss in the production process is relatively large. [0004] Common defects: the diaphragm is very thin, lacks stiffness, and is ...

AI Technical Summary

Problems solved by technology

[0003] In production: each diaphragm is supplied independently, the quality control cost of incoming materials increases, and it is easy to be lost; during production operations, multiple diaphragms are stacked, and the dust in the air must be strictly controlled during the process, and the position and pressing of the diaphragms should also be controlled The effect is very troublesome, and the loss in the production process is also relatively large

[0004] Common defects: the diaphragm is very thin, insufficient in stiffness, and easy to wrinkle, resulting in poor optical effects; friction, gaps, and dirt between the diaphragms will also affect the actual optical effect

[0005] At present, an adhesive layer is usually used to bond the films, which solves the problem of production efficiency, but the problems of wrinkles and air blowing between the films still exist

Moreover, the adhesive bonding method has a certain negative impact on positioning and optical effects.

In addition, the diaphragm assembly is separated from the diffuser plate or the light guide plate, and the problem of insufficient stiffness still cannot be solved

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