US Patent 11300830 Display apparatus and backlight unit thereof

A display apparatus including a frame, a plurality of LEDs regularly arranged on the frame, an optical part disposed on the LEDs and including a display panel and at least one of a phosphor sheet and an optical sheet, and a light guide plate disposed between the frame and the optical part to cover the LEDs, in which the LEDs are arranged in a matrix to be separated from each other at a constant interval, each of the LEDs includes a light emitting diode chip and a reflector disposed on an upper surface of the light emitting diode chip and contacting the upper surface of the light emitting diode chip, the reflector being configured to reflect at least part of light emitted from the light emitting diode chip.