Display apparatus and manufacturing method thereof
A display apparatus and a method of manufacturing the same includes a plurality of light emitting diode modules each including a plurality of light emitting diodes regularly arranged therein, and a substrate including a drive unit driving the plurality of light emitting diodes. The substrate is coupled to the plurality of light emitting diode modules such that they oppose each other; and, the drive unit is electrically connected to the plurality of light emitting diodes.
1. A display apparatus comprising:
a plurality of light emitting diode modules each having a plurality of light emitting diodes regularly arranged therein; and
a substrate including a drive unit configured to drive the plurality of light emitting diodes,
wherein the substrate is coupled to the plurality of light emitting diode modules such that the plurality of light emitting diode modules and substrate oppose each other,
wherein the drive unit is electrically connected to the plurality of light emitting diodes, and
wherein at least some of the light emitting diode modules comprise a plurality of blocking portions surrounding the light emitting diodes while being separated from side surfaces of the plurality of light emitting diodes.
2. The display apparatus according to claim 1 , wherein the drive unit comprises a plurality of TFTs and the light emitting diodes are electrically connected to the one of the plurality of TFTs, respectively.
3. The display apparatus according to claim 2 , further comprising:
an anisotropic conductive film electrically connecting the plurality of light emitting diode modules to the substrate.
4. The display apparatus according to claim 1 , wherein at least some of the plurality of light emitting diode modules have a smaller size than the substrate and are connected to the substrate.
5. The display apparatus according to claim 1 , wherein at least some of the plurality of light emitting diode modules comprise:
a support substrate;
a plurality of blue light emitting diodes arranged on an upper surface of the support substrate;
a plurality of green light emitting diodes arranged on the upper surface of the support substrate adjacent to the plurality of blue light emitting diodes; and
a plurality of red light emitting diodes arranged on the upper surface of the support substrate adjacent to either the plurality of blue light emitting diodes or the plurality of green light emitting diodes.
6. The display apparatus according to claim 5 , wherein at least some of the plurality of blue light emitting diodes, the plurality of green light emitting diodes and the plurality of red light emitting diodes comprise:
an n-type semiconductor layer;
a p-type semiconductor layer;
an active layer interposed between the n-type semiconductor layer and the p-type semiconductor layer;
an n-type electrode coupled to the n-type semiconductor layer;
a p-type electrode coupled to the p-type semiconductor layer; and
a wall surrounding the p-type electrode.
7. The display apparatus according to claim 1 , wherein at least some of the plurality of light emitting diode modules comprises:
a support substrate;
a plurality of light emitting diodes arranged on an upper surface of the support substrate and emitting blue light or UV light; and
a phosphor layer disposed on at least some of the plurality of light emitting diodes and emitting at least one of blue light, green light and red light through wavelength conversion of at least a part of light emitted from the light emitting diodes.
8. The display apparatus according to claim 1 , wherein the plurality of light emitting diode modules comprises a plurality of subpixels at least some of which are composed of at least one light emitting diode and regularly arranged in a matrix.
9. The display apparatus according to claim 1 , wherein at least some of the light emitting diode modules comprises:
an electrode substrate comprising a first electrode terminal and a second electrode terminal electrically insulated from each other; and
a plurality of light emitting diodes regularly arranged on the electrode substrate and electrically connected to the first and second electrode terminals,
the drive unit being electrically connected to the plurality of light emitting diodes through the first and second electrode terminals.
10. The display apparatus according to claim 9 , wherein at least some of the plurality of light emitting diodes comprise:
a light emitting structure comprising an n-type semiconductor layer, a p-type semiconductor layer and an active layer interposed between the n-type semiconductor layer and the p-type semiconductor layer;
an n-type electrode disposed at a lower side of the light emitting structure and electrically connected to the n-type semiconductor layer; and
a p-type electrode disposed at the lower side of the light emitting structure and electrically connected to the p-type semiconductor layer,
the n-type electrode being electrically connected to the first electrode terminal,
the p-type electrode being electrically connected to the second electrode terminal.
11. The display apparatus according to claim 10 , wherein at least some of the plurality of light emitting diodes further comprise a phosphor layer disposed on the light emitting structure and emitting light through wavelength conversion of light emitted from the light emitting structure.
12. The display apparatus according to claim 9 , wherein at least some of the plurality of light emitting diodes comprise:
a light emitting structure disposed on the first electrode terminal and comprising a first semiconductor layer, a second semiconductor layer disposed on an upper surface of the first semiconductor layer, and an active layer interposed between the first semiconductor layer and the second semiconductor layer,
the first semiconductor layer being electrically connected to the first electrode terminal,
the second semiconductor layer being electrically connected to the second electrode terminal via a wire.
13. A method of manufacturing a display apparatus, the method comprising the steps of:
forming a plurality of light emitting diode modules comprising a plurality of light emitting diodes regularly arranged therein;
forming a TFT panel part having a plurality of TFTs regularly arranged thereon and configured to drive the light emitting diodes; and
coupling at least one of the plurality of light emitting diode modules to the TFT panel part such that the at least one of the plurality of light emitting diode modules and the TFT panel part oppose each other and such that the light emitting diodes are respectively electrically connected to the one of the TFTs,
wherein at least some of the plurality of light emitting diode modules further comprise a plurality of blocking portions surrounding the plurality of light emitting diodes while being separated from side surfaces of the plurality of light emitting diodes.
14. The method of manufacturing a display apparatus according to claim 13 , wherein the step of coupling at least one of the plurality of light emitting diode modules to the TFT panel part comprises: attaching an anisotropic conductive film to one surface of the TFT panel part; and coupling at least one of the light emitting diode modules to the anisotropic conductive film.
15. The method of manufacturing a display apparatus according to claim 14 , wherein the step of coupling at least one of the plurality of light emitting diode modules to the TFT panel part further comprises applying pressure to the at least one of the light emitting diode modules placed on the anisotropic conductive film in a direction towards the TFT panel part.
16. The method of manufacturing a display apparatus according to claim 13 , further comprising:
coupling at least one other light emitting diode module of the plurality of light emitting diode modules to the TFT panel part such that the at least one other light emitting diode module and the TFT panel part oppose each other.
17. A method of manufacturing a display apparatus, the method comprising the steps of:
forming a plurality of light emitting diode modules having a plurality of light emitting diodes regularly arranged therein;
forming a drive substrate including a drive unit driving the plurality of light emitting diodes; and
coupling at least one of the plurality of light emitting diode modules to the drive substrate at a first location such that the at least one of the plurality of light emitting diode modules and the drive substrate oppose each other and the plurality of light emitting diodes is electrically connected to the drive substrate,
wherein at least some of the plurality of light emitting diode modules further comprise a plurality of blocking portions surrounding the plurality of light emitting diodes while being separated from side surfaces of the plurality of light emitting diodes.
18. The method of manufacturing a display apparatus according to claim 17 , further comprising:
coupling at least one other light emitting diode module of the plurality of light emitting diode modules to the drive substrate such that the at least one other light emitting diode module and the drive substrate oppose each other,
the at least one other light emitting diode module being coupled to the drive substrate at a second location adjacent to the first location.