Quantum dot tube and liquid crystal display device

Abstract

The invention provides a quantum dot tube and a liquid crystal display device. The quantum dot tube comprises an inner tube (11), an outer tube (12), an optical fiber (13), an LED light source (14), encapsulating glue (15) and quantum dots (16), wherein the quantum dots (16) comprise a red quantum dot (161) and a green quantum dot (162); the LED light source (14) is a blue LED light source; and the optical fiber (13) is an optical fiber with cladding layer removed. The quantum dot tube can avoid influence of heat produced by the LED light source to the quantum dots, thus prolonging the service life of the quantum dots and improving the efficiency; and the inner tube and the outer tube are used for encapsulating, so that the use amount of the quantum dots is reduced, and the production cost of the quantum dot tube is lowered. The liquid crystal display device comprises a backlight module and a liquid crystal panel, wherein the quantum dot tube is adopted for supplying the light source for the backlight module, the service life of the quantum dots is long, the efficiency is high, the cost is low, and the color gamut of the liquid crystal display device can be greatly expanded.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a quantum dot tube and a liquid crystal display device. Background technique [0002] Quantum Dots (QuantumDots, QDs), also known as nanocrystals, are nanoparticles composed of II-VI or III-V elements. The particle size of quantum dots is generally between 1 and 20 nm. Since electrons and holes are quantum-confined, the continuous energy band structure becomes a discrete energy level structure with molecular characteristics. Therefore, after quantum dots are excited by blue-violet light, they can be converted into high-purity monochromatic light, and the color can be controlled by the diameter of quantum dots. Applying to panel display technology can effectively improve the color gamut of the panel, that is, the color reproduction ability. [0003] At present, quantum dots have been widely used in the field of TFT-LCD (ThinFilmTransistor-LiquidCrystalDisplay, Thin Film Field Ef...

AI Technical Summary

Problems solved by technology

However, the disadvantage of this technology is that the quantum dot glass tube 100 is relatively close to the LED light source 200, and the heat generated by the light source will shorten the life of the quantum dots.

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