Title:
Wavelength converter
Document Type and Number:
Japanese Patent JP6231104
Kind Code:
B2
Abstract:
A wavelength converting member is provided, comprising a wavelength converting layer comprising an organic wavelength converting compound distributed in a matrix comprising an amorphous or semi-crystalline aromatic polyester wherein the aromatic polyester molecules are predominantly in a randomly oriented state, said wavelength converting member further comprising at least one support element. By avoiding uniaxial or biaxial orientation of the polyester matrix, the organic wavelength converting compound (organic phosphor) is well protected against photo-chemical degradation. The support element ensures the dimensional stability of the polyester matrix at temperature above the glass transition temperature.
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Inventors:
Hikumet, Rifato Attamstafa
Fan Bommel, Teeth
Feltman, Dirk
Fan Bommel, Teeth
Feltman, Dirk
Application Number:
JP2015527983A
Publication Date:
November 15, 2017
Filing Date:
August 07, 2013
Export Citation:
Assignee:
Philips Lighting Holding BV
International Classes:
C09K11/06; F21V9/16
Foreign References:
| EP2487218A1 | ||||
| WO2012029520A1 |
Attorney, Agent or Firm:
Patent Services Corporation m&s Partners
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