| 摘要 |
PROBLEM TO BE SOLVED: To reduce variance of brightness between operation buttons due to the shift of the positional relationship between the light source and a light guide member. SOLUTION: Regarding a light receiving part 41 to receive the light from the light source 60 opposing to the light source 60 which emits light to illuminate a plurality of the operation buttons 11, by installing a protruding face 41a to receive light so as to collect the light from the light source 60 to a distribution part 43, even if the shift occurs in the positional relationship of the light receiving part 41 and the LED 60, the light from an LED 60 is collected to the distribution part 43, and the light is made to be distributed to respectively divided light guide parts 42. COPYRIGHT: (C)2008,JPO&INPIT
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