Micro-LED displays, micro-led transferring substrates, and methods of transferring micro-LEDs using the micro-LED transferring substrates

1. A micro-light emitting diode (LED) display comprising:

a backplane substrate; and

a plurality of sub-pixels provided on the backplane substrate,

wherein at least one sub-pixel from among the plurality of sub-pixels comprises:

a first region and a second region;

a first micro-LED provided in the first region; and

two or more second micro-LEDs that are different from the first micro-LED and provided in the second region,

wherein the first region and the second region have a same size of area, and

wherein the first micro-LED and the two or more second micro-LEDs have a same light emission characteristic, and a size of the first micro-LED is greater than a size of each of the two or more second micro-LEDs.

2. The micro-LED display of claim 1 , wherein the first micro-LED has a first shape and each of the two or more second micro-LEDs has a second shape, and

wherein the first shape is different than the second shape.

3. The micro-LED display of claim 1 , wherein the plurality of sub-pixels respectively comprise micro-LEDs configured to emit a same light.

4. The micro-LED display of claim 1 , wherein, among the plurality of sub-pixels, a first group of sub-pixels comprise micro-LEDs configured to emit a first light, a second group of sub-pixels comprise micro-LEDs configured to emit a second light, and a third group of sub-pixels comprise micro-LEDs configured to emit a third light, and

wherein wavelengths of the first light, the second light, and the third light are different from one another.

5. The micro-LED display of claim 1 , wherein each sub-pixel of remaining sub-pixels from among the plurality of sub-pixels, other than the at least one sub-pixel, comprises one micro-LED.

6. The micro-LED display of claim 1 , wherein each sub-pixel of remaining sub-pixels from among the plurality of sub-pixels, other than the at least one sub-pixel, comprises a plurality of micro-LEDs respectively having a same shape.

7. The micro-LED display of claim 1 , wherein each sub-pixel of remaining sub-pixels from among the plurality of sub-pixels, other than the at least one sub-pixel, comprises a micro-LED that has a shape that is the same or different from a shape of one of the first micro-LED and the two or more second micro-LEDs.

8. The micro-LED display of claim 1 , wherein the first micro- LED and the two or more second micro-LEDs have a polygon shape or circular shape.

9. The micro-LED display of claim 2 , wherein one of the first micro-LED and the two or more second micro-LEDs has a polygon shape or circular shape.

10. A micro-light emitting diode (LED) transferring substrate comprising:

a plurality of sub-pixel regions,

wherein each sub-pixel region of the plurality of sub-pixel regions comprises:

a first transfer region to which a first micro-LED is transferred; and

a second transfer region to which two or more second ismicro-LEDs are transferred, the second micro-LED being different from the first micro-LED,

wherein the first transfer region and the second transfer region have a same size of area, and

wherein the first micro-LED and the two or more second micro-LEDs have a same light emission characteristic, and a size of the first micro-LED is greater than a size of each of the two or more second micro-LEDs.

11. The micro-LED transferring substrate of claim 10 , wherein a mold is provided around the first transfer region and the second transfer region.

12. The micro-LED transferring substrate of claim 10 , wherein a shape of the first micro-LED and a shape of the two or more second micro-LEDs are the same, and

wherein a size of the first micro-LED and a size of the two or more second micro-LEDs are different.

13. The micro-LED transferring substrate of claim 10 , wherein a shape of the first micro-LED and a shape of the two or more second micro-LEDs are different, and

wherein a size of the first micro-LED and a size of the second micro-LED are different.

14. A method of transferring micro-light emitting diodes (LEDs), the method comprising:

transferring a first micro-light emitting diode (LED) to a first region included in at least one of a plurality of sub-pixels; and

transferring atwo or more second micro-LEDs to a second region included in the at least one of the plurality of sub-pixels,

wherein the transferring of the first micro-LED and the transferring of the two or more second micro-LEDs are sequentially performed to transfer the first micro-LED and the two or more second micro-LEDs to each of the at least one of the plurality of sub-pixels,

wherein a size of the second micro-LED is less than a size of the first micro-LED,

wherein the first region and the second region have a same size of area, and

wherein the first micro-LED and the two or more second micro-LEDs have a same light emission characteristic, and a size of the first micro-LED is greater than a size of each of the two or more second micro-LEDs.

15. The method of claim 14 , further comprising:

determining whether there is a sub-pixel to which the first micro-LED is not transferred between the transferring of the first micro-LED and the transferring of the two or more second micro-LEDs.

16. The method of claim 14 , wherein the transferring of the first micro-LED further comprises:

transferring the first micro-LED having a first shape; and

transferring the first micro-LED having a second shape different from the first shape.

17. The method of claim 14 , wherein the first micro-LED has a polygon shape or circular shape.

18. The method of claim 14 , wherein the second micro-LED has a polygon shape or circular shape.

19. The method of claim 17 , wherein the second micro-LED has a polygon shape or circular shape.