small colorful led diodes. electroluminescent semiconductor light emitting source

abstract background beautiful blue blur bright bulb clear closeup color colored colorful component design detail development device diode diodes electric electrical electro electroluminescence electronic electronics electrotechnical electrotechnics electrotechnology emitting engineering equipment green heap industrial industry lamp led light macro maintenance many metal multicolored nobody nopeople occupation oval part pattern pile plastic red repair round science semiconductor service shop small source spare stack store supply tech technical technology texture translucent transparent warehouse white wire yellow