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US 2010/0301371 A1Published application
Light emitting device
AssigneeSeoul Semiconductor Co., Ltd.
InventorsGundula ROTH, Walter Tews, Chung-Hoon Lee
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Abstract
A light emitting device can be characterized as including a light emitting diode configured to emit light and a phosphor configured to change a wavelength of the light. The phosphor substantially covers at least a portion of the light emitting diode. The phosphor includes a compound having a host material. Divalent copper ions and oxygen are components of the host material.
Claims19
A light emitting device, comprising:
- a light emitting diode configured to emit light;
- and
- a phosphor configured to change a wavelength of the light emitted from the light emitting diode, the phosphor covering at least a portion of the light emitting diode;
- wherein said phosphor comprises a compound including a host material and an activator, and
- wherein divalent copper ions and oxygen are components of the host material.
2 more elements
Dependencies are inferred from the claim text.