High-Efficiency Quantum Dot Remote Phosphor Film

Abstract

We report a high-efficiency quantum dot (QD) film for high color gamut edge-lit LCD backlights. On the film's input surface, an array of asymmetric microprisms is used to preserve the large off-axis angle of the incident blue light. On the exit surface, the retroreflective microprisms retain blue light inside the film. The extended optical path effectively enhances the blue light's probability to hit QDs and generate downconverted wavelengths. When not using any volume scattering particles, fewer QDs are needed to re-emit higher power green and red light, which helps lower the material cost.

Publication Date

5-20-2015

Publication Title

Applied Optics

Volume

54

Issue

15

Number of Pages

4617-4622

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/AO.54.004617

Socpus ID

84942372759 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84942372759

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