Phosphate phosphor, light emitting device, and detecting device
AssigneeLextar Electronics Corporation
InventorsChun-Che LIN, Chun-Han LU, Yi-Ting TSAI, Yu-Chun LEE, Tzong-Liang TSAI
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Abstract
In the present disclosure embodiments, a phosphate phosphor including an activation center of trivalent chromium and a light emitting device are provided. The light emitting device includes a light source and the above mentioned phosphate phosphor, such that the phosphate phosphor is excited by the light source and emits a wide spectrum of the infrared light. The light emitting device with wide emission spectrum of the infrared light may be widely applied in detecting devices.
Claims20
A phosphate phosphor, comprising:
- an activation center of trivalent chromium, wherein the phosphate phosphor emits an infrared light after excitation from a light source.
A light emitting device, comprising:
- a light source emitting a light;
- and
- a phosphate phosphor comprising an activation center of trivalent chromium, wherein the phosphate phosphor emits an infrared light after excitation from the light.
A detecting device, comprising:
- a light emitting device for emitting an infrared light, comprising:
- a light source emitting a light;
- and
- a phosphate phosphor comprising an activation center of trivalent chromium, wherein the phosphate phosphor emits the infrared light after excitation from the light;
- and
- a sensing device receiving the infrared light after external absorption or reflection.
Dependencies are inferred from the claim text.