| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an LED dot matrix with which a flat light distribution property can be obtained with a simple construction. <P>SOLUTION: The LED 10 is provided with two metal lead frames 11a, 11b arranged in parallel, an LED element 13 mounted on a metal base 12 provided at the end of one lead frame, a bonding wire 15 for electrically connecting the end of the other lead frame and the LED element, and a light transparent member 16 provided so as to cover the one end of the lead frame, the LED element, the bonding wire, etc. A plurality of LED 10 are arranged on a substrate 17 having a prescribed electric path, and each lead frame is electrically connected to the electric path with solder 18, and the light from each LED element of an LED unit serving as a light source passes through a lens face of the light transparent member and spreads long sideways. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
