Mask plate for making double-domain electrodes, double-domain electrodes and display panel

Abstract

The invention discloses a mask plate for making a double-domain electrode, a double-domain electrode and a display panel. The mask plate includes: a plurality of light-shielding strips and light-transmitting strips between each light-shielding strip; each light-shielding strip The bar includes a first body portion extending along a first direction, a second body portion extending along a second direction, a first connection portion extending along a third direction, and a second connection portion extending along a fourth direction; the first body The part is connected with the first connecting part, the second main body part is connected with the second connecting part, and the first connecting part is connected with the second connecting part; the inner side of the angle between the first connecting part and the second connecting part has a concave pattern, and / or Or the outer side of the included angle has a first convex pattern. Increase the exposure amount on the inner side of the included angle through the concave pattern, and / or reduce the exposure amount on the outer side of the included angle through the first convex pattern, so that the corner of the double-domain electrode made by using the mask plate is sharper, Therefore, while ensuring the transmittance, the Trace mura phenomenon is effectively avoided.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a mask plate for making a double-domain electrode, a double-domain electrode and a display panel. Background technique [0002] The fringe field switching (Fringe Field Switching, FFS) display technology is the mainstream display technology in the current LCD wide viewing angle display. Its main principle is to use the electric field in the horizontal direction to control the liquid crystal deflection, so that the maximum viewing angle can be close to 90°. Specifically, the electric field controlling the liquid crystal deflection is formed by the voltage difference between the pixel electrode and the common electrode. At the same time, in order to improve the color shift, the pixel electrode and / or the common electrode is designed as a slit dual-domain electrode structure in the industry. And in the double-domain electrode structure, the domains in two directions form a small ...

AI Technical Summary

Problems solved by technology

However, if still using Figure 4 If the mask shown in the figure is used to make a dual-domain electrode, the exposure amount will be insufficient due to the small pattern of the mask used to make a smaller corner, so that the corner in the final double-domain electrode is as follows Figure 5 rounded corners as shown, and cannot be formed as image 3 The sharp corners shown result in less control over the Trace mura and lower display quality

Images