Display unit utilizing cholesterol liquid crystal macromolecule to increase contrast

Abstract

The invention relates to a display screen, which uses cholesterol liquid crystal micromole to increase distinction. It posits a conductive layer, an electric transmitting layer, a luminescent layer, an electron transmitting layer and a negative electrode layer, wherein the insulating sealed layer is positioned on the negative electrode layer; the electric transmitting layer is coated with electric transmitting material and is positioned on the conductive layer; it uses the electric transmitting layer to make luminescent layer with cholesterol liquid crystal phase; the luminescent dose layer wiring circuit arrangement so that the cholesterol liquid crystal luminescent molecule can evoke hand circle polar light structure and can attach a circle polar light optical coating on one side of base plate.

Description

technical field [0001] The present invention relates to a display that utilizes cholesteric liquid crystal polymers to increase contrast, especially a display with a self-luminous component that utilizes a luminescent layer with a cholesteric liquid crystal phase and arranges it into a planer structure after tempering to induce chiral circular polarization. It is equipped with circular polarizing optical film to increase the contrast and brightness of the display. Background technique [0002] Press, the display of general self-luminous components is valued because of its lightness, shortness, wide viewing angle and the advantages of being able to be fabricated on a flexible substrate. The structure of the self-luminous component, such as Figure 5 As shown, an ITO conductive layer 81 is stacked on a transparent substrate 8, a hole transport layer 82 is stacked on the ITO conductive layer 81, a light emitting layer 83 is stacked on the hole transport layer 82, and the light e...

AI Technical Summary

Problems solved by technology

However, since the circularly polarized optical film absorbs the chiral circularly polarized light in one direction of the incident light, 50% of the light emitted by the self-luminous component will also be absorbed, which reduces the brightness of the self-luminous component by half and greatly reduces the energy efficiency.

[0005] Therefore, the lack of brightness and contrast reduction caused by cathode reflection interference of the aforementioned display is what the present invention intends to improve.

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