Optical material, optical film, and light-emitting device

A technology of optical materials and optical films, applied in the field of optical devices, can solve the problems of decreased oxygen barrier performance, increased particle size, insufficient transparency and durability, etc., and achieves the effect of excellent transparency

Inactive Publication Date: 2016-01-20
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in the above-mentioned prior art, the oxygen barrier performance can be obtained by using silica and glass-coated semiconductor nanoparticles, but the particle size is increased due to the formation of silica aggregates of semiconductor nanoparticles, and the resin Insufficient in transparency and durability due to the decrease of dispersibility in the medium and decrease of transparency, or decrease of brightness due to decrease of oxygen barrier performance due to the influence of external environment

Method used

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  • Optical material, optical film, and light-emitting device
  • Optical material, optical film, and light-emitting device

Examples

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Embodiment

[0165] Hereinafter, although an Example demonstrates this invention more concretely, this invention is not limited to a following Example.

[0166] "Synthesis of Semiconductor Nanoparticles A"

[0167] Put 0.1mmol of indium myristate, 0.1mmol of stearic acid, 0.1mmol of trimethylsilylphosphine, 0.1mmol of dodecyl mercaptan, 0.1mmol of zinc undecylenate and 8ml of octadecene into a three-neck flask , heating at 300° C. for 1 hour while refluxing in a nitrogen atmosphere, and InP / ZnS (semiconductor nanoparticles A) were obtained. In this specification, as a method of expressing a quantum dot having a shell, when the core is InP and the shell is ZnS, it is expressed as InP / ZnS.

[0168] By directly observing the particle A with a transmission electron microscope, InP / ZnS semiconductor nanoparticles having a core-shell structure having a structure in which the surface of the InP core is covered with a ZnS shell can be confirmed. In addition, from this observation, it was confirm...

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Abstract

The problem to be solved by the present invention is to provide an optical material having exceptional transparency and providing durability capable of suppressing the deterioration of semiconductor nanoparticles by oxygen and the like over an extended period of time. The optical material is characterized in containing at least one compound from among polysilazanes and modified polysilazanes, and semiconductor nanoparticles.

Description

technical field [0001] The invention relates to an optical material, an optical film and a light emitting device. In particular, it relates to an optical material, an optical film, and an optical device including the optical film having durability capable of suppressing deterioration of semiconductor nanoparticles caused by oxygen or the like over a long period of time and having excellent transparency. Background technique [0002] In recent years, semiconductor nanoparticles (quantum dots) have attracted commercial attention due to their size-tunable electronic properties. The use of semiconductor nanoparticles in a wide range of fields such as biomarkers, solar power generation, catalysis, biophotography, light emitting diodes (Light Emitting Diode; LED), general space lighting, and electroluminescent displays is expected. [0003] For example, in an optical device using semiconductor nanoparticles, a technology has been proposed to increase the amount of light entering ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/08C09K11/00C09K11/02G02B1/04
CPCC09K11/02C09K11/08C09K11/703C09K11/88G02B1/04
Inventor 江连秀敏
Owner KONICA MINOLTA INC
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