| 摘要 |
PURPOSE: An environment friendly number display device is provided to conveniently perform production and assembly and reduce a cost for individual replacement and repair. CONSTITUTION: A main frame(10) includes one or more terminal grooves(15) supplying external power to the inside on an insertion groove(11). A plurality of display bars(20) are inserted into the insertion groove of the main frame and stereoscopically protruding. The display bars include an LED lamp. A power supply unit is embedded in the display bars and monitors the power of the LED lamp by on/off operation. A hidden cover(30) is installed to be inserted to the outside of the display bars. The hidden cover is easy to be identified at daytime or night. |
