| 摘要 |
A light-emitting unit capable of setting an address easily and reliably and checking the result of address setting obviously. The light-emitting unit, such as a LED unit 1 that constructs the unit of light emission of a display unit or the unit of light emission of an ornamental display, includes an infrared receiving element 7 that receives data including an address transmitted by infrared light; an address storage section 6 that stores the address; and a controller 5 that recognizes an address from the data and stores the address in the address storage section. Preferably, the controller 5 stores the light-emission patterns of a display LED 2 for a normal address setting and an erroneous address setting, wherein when normal setting is recognized, the display LED 2 emits light in a normal-setting emission pattern, and when an error is recognized, the display LED 2 emits light in a error-setting emission pattern.
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