The cooling fan has a frame and at least one light-emitting diode (LED). The frame has a central block with a circuit and multiple ribs. The ribs are formed on the rear surface of the frame, extend to the center of the inner space and have at least one set hole. The at least one LED is mounted respectively in the at least one set hole to emit light and faces to the front surface of the frame.


< Lighting unit for liquid crystal display device

< Backlight assembly and display apparatus having the same

> Optical interference type of color display

> Lighting device with central symmetry for a dial

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