A display substrate and a display panel

Abstract

The invention provides a display substrate and a display panel, which belong to the field of display technology. A display substrate provided by the present invention is used to form a display panel in a box relative to a box-matching substrate. The display substrate includes: a first base, and a sealing structure located on the first base and corresponding to the peripheral area; the sealing structure includes The first structure and the second structure; the first structure is in contact with the second structure; the first structure is used to seal the display substrate and the box substrate; the thermal expansion coefficient of the material of the second structure is higher than that of the material of the first structure coefficient of thermal expansion. In the display substrate provided by the present invention, by adding a second structure with a thermal expansion coefficient higher than that of the first structure in the sealing structure, without affecting the sealing effect of the sealing structure, it can increase the thermal expansion between the display substrate and the box substrate. The deformation of the sealing structure can reduce the pulling force of the sealing structure on other film layers in the display substrate, so as to prevent separation between other film layers.

Description

A display substrate and a display panel technical field [0001] The present invention belongs to the field of display technology, and in particular relates to a display substrate and a display panel. Background technique Liquid crystal display device (Liquid Crystal Display, LCD) because of its small size, low power consumption, no radiation and other characteristics The dot has become the mainstream product in the current flat panel display device. LCD usually includes a backlight module and a display panel, wherein the display The panel usually includes an array substrate, a color filter substrate and liquid crystal molecules. The color filter substrate includes a plurality of film layers, for example, including: a first base a bottom, a black matrix layer on the first substrate, and a flat layer on the black matrix layer; the array substrate includes a plurality of film layers, For example, it includes: a second substrate, a gate metal layer on the second substra...

AI Technical Summary

Problems solved by technology

[0003] The inventors have found that there are at least the following problems in the prior art: the sealant is usually not easily deformed, and in some environments, especially high temperature and high humidity environments, the liquid crystal molecules expand when heated, propping up the array substrates and color plates located above and below the liquid crystal molecules. film substrate, so that the frame sealant is subjected to an outward pulling force (from the frame sealant to the direction of the array substrate or color film substrate), and correspondingly, the frame sealant will also exert pressure on the array substrate and color film substrate bonded to the frame sealant. The film substrate exerts a pulling force inward (from the array substrate or color filter substrate to the direction of the sealant)

And because the frame sealant is not easily deformed, and the frame sealant itself has strong adhesion, the adhesive force between the organic film layer and the flat layer directly bonded to the frame sealant is stronger than the adhesion between other film layers. Therefore, under the same tensile force exerted by the sealant, compared with the sealant and the organic film layer or the flat layer, other contacting film layers (such as the gate insulating layer and the gate metal layer, the organic film Layer and gate insulating layer, etc.) are more likely to be separated, so that water molecules enter the liquid crystal layer through the gap between the separated film layers, affecting the display effect of the liquid crystal panel

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