Color‐by‐Blue QD‐Emissive LCD Enabled by Replacing RGB Color Filters with Narrow‐Band GR InP/ZnSeS/ZnS QD Films

Color‐by‐Blue QD‐Emissive LCD Enabled by Replacing RGB Color Filters with Narrow‐Band GR InP/ZnSeS/ZnS QD Films

Color‐by‐blue quantum dot (QD)‐emissive liquid‐crystal displays (LCDs) with eco‐friendly, green, red (GR) InP/ZnSeS/ZnS QD films are introduced to overcome the disadvantages of conventional color‐by‐white color filter (CF)‐assisted LCDs, such as a narrow viewing angle, low external device efficiency...

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Veröffentlicht in:Advanced optical materials 2018-06, Vol.6 (11), p.n/a
Hauptverfasser: Kang, Hyelim, Kim, Sohee, Oh, Ji Hye, Yoon, Hee Chang, Jo, Jung‐Ho, Yang, Heesun, Do, Young Rag
Format: Artikel
Sprache:eng
Schlagworte:
Color
color‐by‐blue
Diodes
Efficiency
Emissivity
Indium phosphides
LCDs
Light emitting diodes
light‐recycling filter
Liquid crystal displays
long‐wavelength dichroic filter
Materials science
Optics
Photoluminescence
QD‐emissive LCD
quantum dot films
Quantum dots
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Zusammenfassung:Color‐by‐blue quantum dot (QD)‐emissive liquid‐crystal displays (LCDs) with eco‐friendly, green, red (GR) InP/ZnSeS/ZnS QD films are introduced to overcome the disadvantages of conventional color‐by‐white color filter (CF)‐assisted LCDs, such as a narrow viewing angle, low external device efficiency of these types of LCDs, and a restricted color gamut. In this study, the color‐by‐blue InP‐based QD‐emissive LCD consists of a blue (B) light‐emitting diode (LED) and GR InP‐based QD films sandwiched between a light recycling filter and a long‐wavelength pass dichroic filter. The GR InP‐based QDs are synthesized with a high photoluminescence quantum yield (>77%) and narrow bandwidth (
ISSN:2195-1071
2195-1071
DOI:10.1002/adom.201701239