Display apparatus and manufacturing method thereof

A display apparatus comprising:

• a light emitting diode part comprising a plurality of regularly arranged light emitting diodes;
• and
• a thin-film transistor (TFT) panel part comprising a plurality of TFTs configured to drive the light emitting diodes disposed on the TFT panel part,
• wherein the light emitting diode part further comprises:
• a transparent substrate disposed on the light emitting diodes;
• and
• a phosphor layer disposed on the transparent substrate and configured to emit at least one of blue light, green light, and red light by converting at least a portion of a wavelength of light emitted from the light emitting diodes, and
• wherein the transparent substrate comprises:
• a plurality of sections each disposed on an upper surface of the light emitting diodes, respectively;
• and
• a blocking portion formed between the sections of the transparent substrate and blocking light emitted from the light emitting diodes.

A display apparatus comprising:

• a light emitting diode part comprising a plurality of regularly arranged light emitting diodes;
• and
• a thin-film transistor (TFT) panel part comprising a plurality of TFTs configured to drive the light emitting diodes disposed on the TFT panel part,
• wherein the light emitting diode part further comprises:
• a substrate disposed on the light emitting diodes and comprising a white phosphor configured to emit white light by converting a wavelength of light emitted from the light emitting diodes;
• and
• a color filter comprising a blue light portion, a green light portion, and a red light portion, each portion being configured to transmit blue light, green light, and red light, respectively, therethrough among white light emitted from the substrate, and
• wherein the substrate comprises:
• a plurality of sections each disposed on an upper surface of each light emitting diode;
• and
• a blocking portion formed between the sections and blocking light emitted from the light emitting diodes.

A method of manufacturing a display apparatus, the method comprising:

• forming a substrate comprising a plurality of regularly arranged light emitting diodes;
• coupling the substrate to a thin-film transistor (TFT) panel part comprising a plurality of TFTs configured to drive the light emitting diodes;
• reducing a thickness of the substrate by etching or grinding the substrate;
• and
• forming a phosphor layer on an upper surface of the substrate, the phosphor layer being configured to emit at least one of blue light, green light, and red light by converting at least a portion of a wavelength of light emitted from the light emitting diodes,
• wherein a thickness of the substrate is reduced to be less than a thickness of the phosphor layer.

A method of manufacturing a display apparatus, the method comprising:

• forming a substrate having a plurality of regularly arranged light emitting diodes;
• coupling the substrate to a thin-film transistor (TFT) panel part comprising a plurality of TFTs configured to drive the light emitting diodes;
• etching a portion of the substrate;
• forming a blocking portion on the etched substrate, such that light emitted from each of the light emitting diodes is prevented from being mixed with light emitted from adjacent light emitting diodes;
• and
• forming a phosphor layer on the substrate, the phosphor layer being configured to emit at least one of blue light, green light, and red light by converting at least a portion of a wavelength of light emitted from the light emitting diodes.