GUIDANCE DISPLAY DEVICE USING LIGHT ACCUMULATION SHEET

摘要

PROBLEM TO BE SOLVED: To provide a display panel for efficiently deriving accumulated light of a light accumulation sheet during blackout.SOLUTION: A guidance display device comprises: an LED 4 for emitting light; a light guide plate 2 adjacent to the LED 4 for emitting the light of the LED 4; and a light accumulation sheet 5 for receiving and accumulating the light of the light guide plate 2 and deriving the accumulated light. The light accumulation sheet 5 is disposed on at least a part of a side face of the light guide plate 2. In the light guide plate 2, design made by recess parts having a side face with a prescribed angle of inclination is formed.