QUANTUM DOT PARTICLE AGGREGATE AND PREPARATION METHOD THEREFOR, PREPARATION METHOD FOR LIGHT CONVERSION DEVICE, AND QUANTUM DOT PARTICLES

The present disclosure provides a quantum dot particle aggregate and a preparation method therefor, a preparation method for a light conversion device, and quantum dot particles. The preparation method for the quantum dot particle aggregate includes: mixing a plurality of first polymer particles, a...

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Bibliographische Detailangaben
Hauptverfasser: LUO, Fei, SU, Yukai, KANG, Yongyin, YU, Shirong, ZHAO, Fei, BAI, Jun, TAO, Zhen
Format: Patent
Sprache:eng
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Zusammenfassung:The present disclosure provides a quantum dot particle aggregate and a preparation method therefor, a preparation method for a light conversion device, and quantum dot particles. The preparation method for the quantum dot particle aggregate includes: mixing a plurality of first polymer particles, a first quantum dot solution and a second polymer solution, and drying to obtain an aggregate containing a plurality of quantum dot particles A, where each of the quantum dot particles A includes a core of a first polymer particle and a shell of a second polymer formed by the second polymer, a plurality of first quantum dots are positioned in the shell of the second polymer, and the first polymer particle has a minimum dimension greater than or equal to 0.3 mm. The process reduces the damage to quantum dots and can prolong the life time of application products of quantum dots.