Display panel and preparation method thereof

Abstract

The invention provides a display panel and a preparation method thereof. The reflection of external light on a display is reduced by manufacturing an amorphous silicon film layer for absorbing visiblelight, the light absorption layer is preferably disposed on a first electrode, a mask is formed by utilizing the inherent pattern of a pixel definition layer, that is, a through hole is formed in a light-emitting area of the pixel definition layer, and the through hole penetrates through the light absorption layer, so that the first electrode is exposed in the through hole, the first electrode exposed in the through hole is an effective electrode, the through hole removes the light absorption layer in a display area, and the light absorption layer only exists in a non-display area. Therefore,the effective first electrode structure does not have an overlapping region with the light absorption layer, so that an excellent pixel electrode pattern and the light absorption layer completely covering the non-light-emitting area can be combined.

Description

technical field [0001] The invention relates to the display field, in particular to a display panel and a preparation method thereof. Background technique [0002] Active matrix organic light emitting diode panel (Organic Light Emitting Diode, OLED) is a display technology that has received widespread attention at present, with many advantages such as self-illumination, high brightness, high contrast, wide viewing angle, fast response, low power consumption, and thinness , known as the next generation display technology. This technology is widely used in electronic terminal products, home appliances, vehicles and other fields. When applied to handheld and other terminal products, due to the possibility of various application scenarios, handheld terminal products put forward higher requirements on the display effect under natural light. [0003] Due to the low luminous efficiency of OLEDs at present, it is generally difficult to obtain high enough brightness to obtain high ...

AI Technical Summary

Problems solved by technology

[0003] Due to the low luminous efficiency of OLEDs at present, it is generally difficult to obtain high enough brightness to obtain high contrast effects under strong external light under the consideration of power consumption balance. Due to the existence of external light reflection, OLEDs When displaying, the human eye receives the influence of reflected light, which interferes with the actual display effect of OLED

At present, methods such as additional circular polarizers are usually used to prevent the incident light from re-exiting and reduce the impact

However, the use of additional polarizers, on the one hand, increases the thickness of the screen and sacrifices the bending performance. On the other hand, the introduction of additional process steps increases the cost and reduces the yield.

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