Title:
PHOSPHOR WHEEL WITH INORGANIC BINDER
Document Type and Number:
WIPO Patent Application WO/2019/056209
Kind Code:
A1
Abstract:
A light conversion device is disclosed. The light conversion device includes a substrate and a wavelength conversion element (111). The wavelength conversion element (111) includes an inorganic binder, such as sodium silicate. Also disclosed are phosphor wheels and light engines including such phosphor wheels. Further disclosed are high-power laser projection display systems comprising a laser having a power of from about 60W and about 300W and a light conversion device. The use of an inorganic binder permits high thermal stability at reasonable cost.
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Inventors:
ZHANG DAVID (CN)
XU YING (CN)
NEWELL MICHAEL (US)
XU YING (CN)
NEWELL MICHAEL (US)
Application Number:
PCT/CN2017/102468
Publication Date:
March 28, 2019
Filing Date:
September 20, 2017
Export Citation:
Assignee:
MATERION PREC OPTICS SHANGHAI LIMITED (CN)
International Classes:
H05B33/20; H01J9/04; H01J61/44
Foreign References:
| US20020195922A1 | 2002-12-26 | |||
| EP2804225A1 | 2014-11-19 | |||
| CN106233475A | 2016-12-14 | |||
| CN102140690A | 2011-08-03 | |||
| CN102484033A | 2012-05-30 | |||
| CN102484031A | 2012-05-30 | |||
| US20130270992A1 | 2013-10-17 | |||
| US20170168379A1 | 2017-06-15 | |||
| US20160274353A1 | 2016-09-22 | |||
| US20150221833A1 | 2015-08-06 |
Other References:
See also references of EP 3685636A4
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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