CIRCUIT BOARD AND LIGHT EMITTING DEVICE USING THE SAME
PURPOSE: A circuit board and a light source device using the same are provided to economically and universally use the same and to install light sources on the same with various arrangements. CONSTITUTION: A circuit board includes a substrate body (10) and a unit electrode pattern (20). The unit ele...
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Format: | Patent |
Sprache: | eng ; kor |
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