Quantum dot liquid crystal display device

Abstract

The invention provides a quantum dot liquid crystal display device. A color film substrate (10) of a quantum dot liquid crystal display device comprises a first substrate (11), a quantum dot color filter (12) arranged on the first substrate (11), close to the side of a liquid crystal layer 30, a one-way light guide film (13) arranged on the first substrate (11), far away from the side of the liquid crystal layer 30, and an anti-reflection film (14) arranged on the one-way light guide film (13). The one-way light guide film (13) can prevent light rays from entering the internal of the liquid crystal display device and motivating quantum dots, so as to solve problems of contrast reduction and color cast caused by excitation of natural light on the quantum dots. The anti-reflection film (14) can solve problems of glare of a liquid crystal display panel and reflective images, so as to improve watching comfort level of lookers. Thus, the quantum dot liquid crystal display device has high contrast and low surface reflection, double images and glare dazzling phenomenon do not exist, and watching comfort level is high.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a quantum dot liquid crystal display device. Background technique [0002] With the continuous development of display technology, people have higher and higher requirements for display quality of display devices. Quantum dots (Quantum Dots, referred to as QDs) are usually spherical or quasi-spherical semiconductor nanoparticles composed of II-VI or III-V group elements, and the particle size is generally between a few nanometers and tens of nanometers. Because the particle size of QDs is smaller than or close to the exciton Bohr radius of the corresponding bulk material, a quantum confinement effect will be generated, and its energy level structure will change from the quasi-continuous structure of the bulk material to the discrete structure of the quantum dot material, resulting in QDs showing special properties of stimulated emission of light. As the size of QDs decreases, i...

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Problems solved by technology

[0004] Patent CN203204189U provides a kind of unidirectional light-guiding film material. By setting up ribs on the surface, the effect of unidirectional light-guiding film is realized by using the principle of total reflection. If this kind of unidirectional light-guiding film material is placed outside the display panel, it can be very good. Prevent the quantum dot layer from being excited by external light, thereby improving the contrast of the display panel and preventing color shift; however, this layer of unidirectional light guide film will increase the reflection on the outer surface of the display, which in turn will cause ghosting of reflective images and glare and glare. The phenomenon of the viewer's viewing experience

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