| 摘要 |
A blue to yellow emitting phosphor from the class of orthosilicates, which substantially has the structure EA2SiO4:D, wherein the phosphor comprises as component EA at least one of the elements EA=Sr, Ba, Ca or Mg alone or in combination, wherein the activating doping D consists of Eu and wherein a deficiency of SiO2 is introduced, such that a modified sub stoichiometric orthosilicate is present.
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