An LED display apparatus according to one exemplary embodiment is disclosed. The LED display apparatus may include: a first LED substrate in which a plurality of LED elements capable of emitting a first-wavelength light are arranged in rows and columns; a second LED substrate in which a plurality of LED elements capable of emitting a second-wavelength light are arranged, the second LED substrate being provided on the first LED substrate and having a first light transmitting portion formed by punching a partial region of the second LED substrate; and a third LED substrate which is provided on the second LED substrate and in which a plurality of LED elements capable of emitting a third-wavelength light are arranged, the third LED substrate being provided on the second LED substrate and having a second light transmitting portion formed by punching a partial region of the third LED substrate.