| 摘要 |
<p>The present invention relates to a phosphor structure capable of receiving light from a light source such as a light emitting device and generating fluorescent light. The phosphor structure may include a phosphor body including: a center part which has a first thickness by considering an effective light path length according to the light distribution characteristic according to the angle of the light emitting device; and an edge part which is integrated with the center part and has a second thickness by considering an effective light path length according to the light distribution characteristic according to the angle of the light emitting device, and an optical system installed on at least one side of the phosphor body and guides light emitted through the phosphor body.</p> |
