| 摘要 |
PROBLEM TO BE SOLVED: To make a dial and a pointer illuminated by different colors using one kind of LED. SOLUTION: In this system, a light source is arranged in a position just under a pointer base part 4 in a reverse face side of the dial 1 to make the pointer 2 and the dial 1 illuminated concurrently, a blue LED 31 is used as the light source, and a phosphor 33 excited by a beam from the blue LED is arranged in a light-guide part 32 for the pointer 2. |
