| 摘要 |
PURPOSE: A light guide unit using circular dispersed patterns is provided to prevent the light guide unit and a main body from deformation due to the heat of light emitting units by installing auxiliary light emitting units between the light emitting units. CONSTITUTION: A main body(10) includes an inner containing space. An exposure hole is formed on the upper side of the main body. A plurality of light emitting units is installed along the inner lateral side of the main body. A circular shape light guide unit(30) is formed in the main body. A plurality of circular dispersed patterns(31) is formed on the lower surface of the light guide unit. A space part(32) is formed between the dispersed patterns.
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