Back to results
US 8,273,265 B2Granted
Phosphors and light emitting device using the same
AssigneeSamsung Electronics Co., Ltd.
InventorsMihail Nazarov, Chul Soo Yoon, Hyo Jung Kim
Life of this patent
Estimating the term…
Abstract
There are provided phosphors having high luminous efficiency at desired wavelengths and good light output stability and a light emitting device using the same. A phosphor according to an aspect of the invention includes a sulfide crystallographic phase and an oxide crystallographic phase. Here, the phosphor is a multiphase compound in which the sulfide crystallographic phase and the oxide crystallographic phase exist together.
Claims12
A phosphor, comprising:
- a sulfide crystallographic phase;
- and
- an oxide crystallographic phase,
- wherein the phosphor is a multiphase compound in which the sulfide crystallographic phase and the oxide crystallographic phase exist together,
- wherein the sulfide crystallographic phase is strontium thiogallate (SrGa2S4),
- wherein the oxide crystallographic phase is a magnesium gallium oxide (MgGa2O4).
3 more elements
A light emitting device, comprising:
- a light source;
- and
- a phosphor absorbing light emitted from the light source to emit light,
- wherein the phosphor includes a sulfide crystallographic phase and an oxide crystallographic phase, and the phosphor is a multiphase compound in which the sulfide crystallographic phase and the oxide crystallographic phase exist together,
- wherein the sulfide crystallographic phase is strontium thiogallate (SrGa2S4),
- wherein the oxide crystallographic phase is a magnesium gallium oxide (MgGa2O4).
3 more elements
Dependencies are inferred from the claim text.