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Quantum dot light enhancement substrate and lighting device including same

專(zhuān)利號(hào)
US10096744B2
公開(kāi)日期
2018-10-09
申請(qǐng)人
SAMSUNG ELECTRONICS CO., LTD.（KR Gyeonggi-Do）
發(fā)明人
Seth Coe-Sullivan; Peter Kazlas
IPC分類(lèi)
H01L33/06; H01L33/04; H01L33/42; H01L33/50; H01L33/58; H01L33/60; H01L51/50; H01L51/52; H01L51/56; H05B33/14; H01L27/32; H01L31/0352
技術(shù)領(lǐng)域
quantum,dots,qd,in,light,ccm,material,qds,certain,emitting
地域： Suwon-si

摘要

A component including a substrate, at least one layer including a color conversion material including quantum dots disposed over the substrate, and a layer including a conductive material (e.g., indium-tin-oxide) disposed over the at least one layer. (Embodiments of such component are also referred to herein as a QD light-enhancement substrate (QD-LES).) In certain preferred embodiments, the substrate is transparent to light, for example, visible light, ultraviolet light, and/or infrared radiation. In certain embodiments, the substrate is flexible. In certain embodiments, the substrate includes an outcoupling element (e.g., a microlens array). A film including a color conversion material including quantum dots and a conductive material is also provided. In certain embodiments, a component includes a film described herein. Lighting devices are also provided. In certain embodiments, a lighting device includes a film described herein. In certain embodiments, a lighting device includes a component described herein.

說(shuō)明書(shū)

In certain embodiments, a reflective material is included around at least a portion of the edges of the substrate SUB.

Examples of reflective materials include silver and alumina Other reflective materials can be used.

In certain embodiments including one or more layers comprising color conversion material CCM, each layer is capable of emitting light at a wavelength that is distinct from that of any of the other layers.

In certain embodiments including one or more layers including different color conversion materials CCMs in a layered arrangement, the layers are arranged in order of decreasing wavelength from the conductive material, with the film capable of emitting light at the highest wavelength being closest to the conductive material and the film capable of emitting light at the lowest wavelength being farthest from the conductive material.

In certain embodiments including a predetermined arrangement of features including color conversion materials CCMs, the light-emitting characteristics of the quantum dots included in color conversion materials CCMs included in the features can be selected based on the preselected light output desired.

In certain embodiments, for example, a first portion of the features includes quantum dots capable of emitting red light, a second portion of the features includes quantum dots capable of emitting orange light, a third portion of the features includes quantum dots capable of emitting yellow light, a fourth portion of the features includes quantum dots capable of emitting green light, and a fifth portion of the features includes quantum dots capable of emitting blue light

權(quán)利要求

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