Light-emitting device, electronic device, and lighting device
地域：
Kanagawa-ken
摘要
A light-emitting apparatus with low power consumption is provided. A light-emitting apparatus including a first light-emitting device and a first color conversion layer. The first light-emitting device includes an anode, a cathode, and an EL layer positioned between the anode and the cathode. The EL layer includes a layer including a material with a refractive index lower than or equal to 1.75 at 467 nm. The first color conversion layer includes a first substance capable of emission by absorbing light. Light emitted from the first light-emitting device enters the first color conversion layer.
說(shuō)明書(shū)
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As the quantum dot, a core-type QD, a core-shell QD, a core-multishell QD, or the like may be used. When a core is covered with a shell formed of another inorganic material having a wider band gap, the influence of a defect or a dangling bond existing at the surface of a nanocrystal can be reduced. Since such a structure can significantly improve the quantum efficiency of light emission, it is preferable to use a core-shell or core-multishell QD quantum dot Examples of the material of a shell include zinc sulfide (ZnS) and zinc oxide (ZnO).
意見(jiàn)反饋
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