Stabilized quantum dot structure and method of making a stabilized quantum dot structure
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United States of America Patent
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Oct 3, 2017
Issued Date -
N/A
app pub date -
Jun 29, 2016
filing date -
Jun 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A stabilized quantum dot structure for use in a light emitting diode (LED) comprises, according to one embodiment, a luminescent particle comprising one or more semiconductors, a buffer layer overlying the luminescent particle, where the buffer layer comprises an amorphous material, and a barrier layer overlying the buffer layer, where the barrier layer comprises oxygen, nitrogen and/or carbon. According to another embodiment, the stabilized quantum dot structure includes a luminescent particle comprising one or more semiconductors, and a treated buffer layer comprising amorphous silica overlying the luminescent particle, where the stabilized quantum dot structure exhibits a quantum yield of at least about 0.7 when exposed to a blue light flux of about 30 W/cm2 at a temperature of 80-85° C. and relative humidity of 5% for 500 hours.
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Patent Citation Ranking
- 9 Citation Count
- C09K Class
- 24.18 % this patent is cited more than
- 8 Age
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