Display apparatus and method of manufacturing the same

1. A display apparatus comprising:

a base substrate having a data line disposed on a first side thereof;

a plurality of pixel modules arranged in a matrix format on the first side of the base substrate; and

a driving driver configured to provide a data signal in a digital format through the data line to each of the plurality of pixel modules,

wherein each of the plurality of pixel modules comprises:

a light emitting layer in which a plurality of light emitting diode (LED) devices are disposed to form a pixel,

a driving layer comprising a display driver integrated circuit (DDI) formed below the light emitting layer configured to generate a driving signal to drive the plurality of LED devices, and

a substrate layer, formed between the driving layer and the base substrate, comprising a data input pad configured to receive the data signal and transmit the data signal to the DDI and a data output pad configured to provide the data signal to another adjacent pixel module.

2. The display apparatus of claim 1 , wherein the data line comprises a plurality of sub data lines configured to transmit the data signal from a data output pad of one pixel module among the plurality of pixel modules to a data input pad of another adjacent pixel model.

3. The display apparatus of claim 2 , wherein the plurality of sub data lines are segmented from each other and disposed on the base substrate distantly.

4. The display apparatus of claim 2 , further comprising:

a power line configured to supply power to the plurality of pixel modules,

wherein the power line and the data line are provided on a wiring layer formed on the first side of the base substrate.

5. The display apparatus of claim 4 , wherein the power line and the data line are provided on the wiring layer so that the base substrate has a one-layer structure.

6. The display apparatus of claim 4 , wherein the wiring layer comprises the plurality of sub data lines being segmented and distantly disposed in a row direction in the matrix format, the power line being arranged in a column direction in the matrix format.

7. The display apparatus of claim 6 , wherein the power line is disposed between the plurality of sub data lines.

8. The display apparatus of claim 4 , wherein the wiring layer comprises a plurality of wiring members comprising copper (Cu), aluminum (Al), tin (Sn), iron (Fe), or an alloy including one of these.

9. The display apparatus of claim 1 , wherein the substrate layer comprises:

a first layer facing the base substrate and having the data input pad and the data output pad being located therein,

a second layer located on an opposite side of the first side and facing the driving layer, and

an intermediate layer in which a plurality of via holes that pass through the first layer and the second layer.

10. The display apparatus of claim 9 , wherein the intermediate layer is made of polyimide material, and the substrate layer includes a two-layer structure.

11. The display apparatus of claim 9 , wherein the substrate layer has thickness between 45 μm and 55 μm.

12. The display apparatus of claim 1 ,

wherein the driving layer comprises a light blocking molding to block transmission of light, and

wherein the light blocking molding is coated on an upper surface of the DDI.

13. The display apparatus of claim 12 , wherein the light blocking molding is implemented as a black color to block light.

14. The display apparatus of claim 1 , further comprising a black matrix formed between the plurality of LED devices.

15. The display apparatus of claim 1 , further comprising a protective layer comprising an optical film over the black matrix and the plurality of LED devices.

16. The display apparatus of claim 1 ,

wherein each of the plurality of pixel modules comprises a plurality of red LED (R-LED) devices, a plurality of green LED (G-LED) devices, and a plurality of blue LED (B-LED) devices, and

wherein one pixel module forms a plurality of pixels.

17. The display apparatus of claim 16 ,

wherein each of the plurality of pixel modules comprises six pixels arranged in a 2×3 matrix, and

wherein each of the pixels comprises one R-LED device, one G-LED device, and one B-LED device.

18. The display apparatus of claim 1 , wherein the base substrate comprises a flexible printed circuit board (FPCB) at least a portion of which is flexible.

19. The display apparatus of claim 1 , wherein the plurality of LED devices are arranged at a constant pixel pitch in an X-axis direction and a Y-axis direction.

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

forming a substrate comprising a data input pad configured to receive the data signal and a data output pad configured to provide a data signal;

transferring a display driver integrated circuit (DDI) to an upper surface of the substrate layer;

coating a light blocking molding onto the upper surface of the substrate layer and the upper surface of the DDI, and forming a driving layer by wiring a plurality of light emitting diode (LED) devices to be bonded;

forming a light emitting layer by mounting the plurality of LED devices on the driving layer; and

transferring a plurality of pixel modules formed of the substrate layer, the driving layer, and the light emitting layer to a base substrate in a matrix form.