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US 2017/0023199 A1Published application
Wavelength converter containing phosphor particles
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsTAKAHIRO HAMADA, KAZUMA MIMA, YUKIHIKO SUGIO, YOSHIHISA NAGASAKI
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Abstract
A wavelength converter comprises: phosphor particles; and a matrix that is located between the phosphor particles and comprises zinc oxide crystallites. Pores are included in at least one of the zinc oxide crystallites.
Claims13
A wavelength converter comprising:
- phosphor particles;
- and
- a matrix that is located between the phosphor particles and comprises zinc oxide crystallites, wherein
- pores are included in at least one of the zinc oxide crystallites.
1 more element
A light source comprising:
- a semiconductor light emitting device that emits light having a peak wavelength of 420 nm or more and 470 nm or less;
- and
- a wavelength converter that receives the light emitted from the semiconductor light emitting device and emits converted light having a wavelength different from a wavelength of the light, wherein:
- the wavelength converter comprises:
- phosphor particles;
- and
- a matrix that is located between the phosphor particles and comprises zinc oxide crystallites, wherein pores are included in at least one of the zinc oxide crystallites.
4 more elements
A lighting system comprising:
- a light source;
- and
- a power supply source coupled to the light source, wherein the light source comprises:
- a semiconductor light emitting device that emits light having a peak wavelength of 420 nm or more and 470 nm or less;
- and
- a wavelength converter that receives the light emitted from the semiconductor light emitting device and emits converted light having a wavelength different from a wavelength of the light, wherein
- the wavelength converter comprises:
- phosphor particles;
- and
- a matrix that is located between the phosphor particles and comprises zinc oxide crystallites, wherein pores are included in at least one of the zinc oxide crystallites.
7 more elements
Dependencies are inferred from the claim text.