Authors

Z. Y. Luo; Y. Chen;S. T. Wu

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

LIGHT-EMITTING-DIODES; LIQUID-CRYSTAL; PERFORMANCE; Optics

Abstract

We analyze the color performance and system efficiency of three commonly employed liquid crystal display modes with a blue LED-pumped red and green quantum dots (QDs) backlight. Based on the measured QD emission spectra, we can achieve 115% color gamut in CIE 1931 and 140% in CIE 1976 color space, while keeping the same energy efficiency as conventional backlights. Next, we apply multi-objective optimization method to refine the QD emission spectra and find a fundamental tradeoff between display system efficiency and color gamut. This systematic photometric analysis also provides useful guidelines for further optimizing QD backlight design and display system efficiency.

Journal Title

Optics Express

Volume

21

Issue/Number

22

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

26269

Last Page

26284

WOS Identifier

WOS:000327007800086

ISSN

1094-4087

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