| 摘要 |
A red-emitting phosphor blend is provided which comprises a mixture of a first red-emitting phosphor having a general formula of (Y1-x-yGdxEuy)2O3 wherein 0 ≤ x ≤ 0.9 and 0.02 ≤ y ≤ 0.4 and a second red-emitting phosphor having a general formula of (Y1-a-bGdaEub)BO3 wherein 0 ≤ a ≤ 1 and 0.02 ≤b ≤ 0.1, the second red-emitting phosphor comprising from 10 to 40% by weight of the blend. <IMAGE>
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