A kind of quantum dot backlight module and display device

Abstract

The invention discloses a quantum dot backlight module comprising: a light emitting diode, a reflection sheet, a light guide plate, a plurality of dots, and quantum dots; the light guide plate is arranged above the reflection sheet, and the intervals between the plurality of dots It is arranged on the upper surface of the light guide plate, the quantum dots are encapsulated in the dots, and the light emitting diode is arranged on the side of the light guide plate, wherein semiconductor quantum dot phosphor powder is arranged in the quantum dots. The present invention can effectively improve the utilization rate of quantum dot materials. Since the dots are arranged at intervals and the quantum dots are encapsulated in the dots, a whole piece of quantum dot film is not needed, thereby saving the use of quantum dot materials and reducing the cost. , and can achieve the purpose of effectively dissipating heat from the light-emitting diode and realizing a wide color gamut.

Description

【Technical field】 [0001] The invention relates to the field of display technology, in particular to a quantum dot backlight module and a display device. 【Background technique】 [0002] Semiconductor quantum dot phosphor is a new type of white light LED (Light Emitting Diode) luminescent material. Its particles are particles larger than water molecules and smaller than viruses. Based on their own particle size, they can be converted into standard blue light emitting diodes. The light emitted by the light source is converted into light of different wavelengths. Larger particles can excite long-wavelength light (such as red light), while smaller particles are converted into short-wavelength light (such as green light). These different particles are mixed to form a new spectrum. Using this quantum dot characteristic, quantum dot enhanced film (QuantumDotEnhancedFilm, referred to as QDEF) can be prepared to use standard blue LED light source to achieve high-quality three-primary...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a quantum dot backlight module and a display device, aiming to solve the problem in the prior art that the quantum dot film is placed above the light guide plate, which will lead to the problem that the quantum dot material cannot be effectively used, and In the process of making thin films, encapsulation around is a big problem. If the encapsulation is not good, it will cause cadmium pollution, which is very harmful. In addition, the quantum dot material itself will be affected by oxygen and water in the air and make it invalid.

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