Luminance Compensation Method of Light-Emitting Device

1. A luminance compensation method of a light-emitting device, wherein the light-emitting device comprises a plurality of light-emitting elements, the luminance compensation method comprising steps of: obtaining a position of at least one of the light-emitting elements element in a brightness anomalous status, among the light-emitting elements; and changing a brightness of at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status for compensating a brightness of the light-emitting element in the brightness anomalous status, wherein there are N of the light-emitting elements spaced from the light-emitting element in the brightness anomalous status by a first distance, the N light-emitting elements emit light with a same color the same as the light-emitting element in the brightness anomalous status, and there are M of the light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status, where M is less than or equal to N, and M and N are respectively an integer greater than or equal to 1, and wherein the light-emitting element in the brightness anomalous status has a luminance L1, a difference between the luminance L1 and a normal luminance L is (L1−L), and a luminance of each of the M light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status is between L and (L−(L1−L)).

2. The luminance compensation method according to claim 1, wherein the position of the light-emitting element in the brightness anomalous status corresponds to a dark spot or a bright spot.

3. The luminance compensation method according to claim 1, before the step of obtaining the position of at least one of the light-emitting elements element in the brightness anomalous status, further comprising a step of: turning on the light-emitting device according to at least one preset gray-level value.

4. The luminance compensation method according to claim 3, after the step of turning on the light-emitting device according to the preset gray-level value, further comprising a step of: retrieving an image of the light-emitting elements for determining the position of the light-emitting element in the brightness anomalous status.

5. The luminance compensation method according to claim 3, after the step of turning on the light-emitting device according to the preset gray-level value, further comprising a step of: measuring a voltage value or a current value of the light-emitting elements for determining the position of the light-emitting element in the brightness anomalous status.

6. The luminance compensation method according to claim 1, wherein the step of changing the brightness of at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status for compensating the brightness of the light-emitting element in the brightness anomalous status is to change a brightness peak or a duty cycle of the at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status.

7. The luminance compensation method according to claim claim 1, wherein there are P of the light-emitting elements spaced from the light-emitting element in the brightness anomalous status by a second distance, the P light-emitting elements emit light with a same color the same as the light-emitting element in the brightness anomalous status, and there are Q of the light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status, where Q is less than or equal to P, and P and Q are respectively an integer greater than or equal to 1.

8. The luminance compensation method according to claim 7, wherein the light-emitting element in the brightness anomalous status has a luminance L2, a difference between the luminance L2 and a the normal luminance L is (L2−L), and a luminance of each of the Q light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status is between L and (L−(L2−L)).

9. The luminance compensation method according to claim 1, before the step of changing the brightness of at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status for compensating the brightness of the light-emitting element in the brightness anomalous status, further comprising a step of: removing at least a part of a light-mixing preventing layer disposed between the light-emitting element in the brightness anomalous status and the at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status.

10. The luminance compensation method according to claim 1, wherein each of the light-emitting element elements is a Mini LED or a Micro LED.

11. A luminance compensation method of a light-emitting device, wherein the light-emitting device comprises a plurality of light-emitting elements, the luminance compensation method comprising: obtaining a position of at least one of the light-emitting elements in a brightness anomalous status; removing at least a part of a light-mixing preventing layer disposed between the light-emitting element in the brightness anomalous status and the at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status, so that a compensation light emitted from the at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status enters a position of the light-emitting element in the brightness anomalous status; and changing a brightness of at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status for compensating a brightness of the light-emitting element in the brightness anomalous status.

12. The luminance compensation method according to claim 11, wherein the position of the light-emitting element in the brightness anomalous status corresponds to a dark spot or a bright spot.

13. The luminance compensation method according to claim 11, before said obtaining the position of at least one of the light-emitting elements in the brightness anomalous status, further comprising: turning on the light-emitting device according to at least one preset gray-level value.

14. The luminance compensation method according to claim 13, after said turning on the light-emitting device according to the preset gray-level value, further comprising: retrieving an image of the light-emitting elements for determining the position of the light-emitting element in the brightness anomalous status.

15. The luminance compensation method according to claim 13, after said turning on the light-emitting device according to the preset gray-level value, further comprising: measuring a voltage value or a current value of the light-emitting elements for determining the position of the light-emitting element in the brightness anomalous status.

16. The luminance compensation method according to claim 11, wherein said changing the brightness of at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status for compensating the brightness of the light-emitting element in the brightness anomalous status is to change a brightness peak or a duty cycle of the at least one of the light-emitting elements disposed adjacent to the light-emitting element in the brightness anomalous status.

17. The luminance compensation method according to claim 11, wherein there are N of the light-emitting elements spaced from the light-emitting element in the brightness anomalous status by a first distance, the N light-emitting elements emit light with a color the same as the light-emitting element in the brightness anomalous status, there are M of the light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status, M is less than or equal to N, and M and N are respectively an integer greater than or equal to 1.

18. The luminance compensation method according to claim 17, wherein the light-emitting element in the brightness anomalous status has a luminance L1, a difference between the luminance L1 and a normal luminance L is (L1−L), and a luminance of each of the M light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status is between L and (L−(L1−L)).

19. The luminance compensation method according to claim 17, wherein there are P of the light-emitting elements spaced from the light-emitting element in the brightness anomalous status by a second distance, the P light-emitting elements emit light with a color the same as the light-emitting element in the brightness anomalous status, there are Q of the light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status, Q is less than or equal to P, and P and Q are respectively an integer greater than or equal to 1, wherein the light-emitting element in the brightness anomalous status has a luminance L2, a difference between the luminance L2 and a normal luminance L is (L2−L), and a luminance of each of the Q light-emitting elements configured for compensating the light-emitting element in the brightness anomalous status is between L and (L−(L2−L)).

20. The luminance compensation method according to claim 11, wherein the light-emitting element is a Mini LED or a Micro LED.

21. The luminance compensation method according to claim 1, wherein the light-emitting device comprises a plurality of pixels, and each of the plurality of pixels comprises at least one of the light-emitting elements.

22. The luminance compensation method according to claim 21, wherein the plurality of pixels are arranged in a stripe shape, a delta shape, or a mosaic shape.

23. The luminance compensation method according to claim 1, wherein the light-emitting element in the brightness anomalous status has a brightness out of a range of ±10% of an average brightness of the N light-emitting elements in the same color.

24. The luminance compensation method according to claim 1, wherein the light-emitting device further comprises: a first substrate having a surface on which the light-emitting elements are disposed; and a second substrate disposed opposite the first substrate, wherein the light-emitting elements are disposed between the first substrate and the second substrate.

25. The luminance compensation method according to claim 24, wherein the first substrate comprises an active matrix circuit substrate.

26. The luminance compensation method according to claim 24, wherein the first substrate comprises a matrix circuit configured to drive at least one of the light-emitting elements.

27. The luminance compensation method according to claim 24, wherein the light-emitting device further comprises a light-mixing preventing layer disposed between the first substrate and the second substrate.

28. The luminance compensation method according to claim 27, wherein the light-mixing preventing layer comprises a black matrix layer.

29. The luminance compensation method according to claim 27, wherein the light-mixing preventing layer extends from the first substrate to the second substrate, and wherein the light-mixing preventing layer is separated from the second substrate and does not contact the second substrate.

30. The luminance compensation method according to claim 24, wherein the light-emitting device further comprises a sealant layer disposed at outer peripheries of the first substrate and the second substrate.

31. The luminance compensation method according to claim 24, wherein the light-emitting device comprises an adhesive layer or a film layer.

32. The luminance compensation method according to claim 1, wherein the luminance of each of the M light-emitting elements is set to be (L-(L1-L)/2).

33. The luminance compensation method according to claim 5, further comprising determining a position of a first light-emitting element as the position of the light-emitting element in the brightness anomalous status when a measurement of a voltage value or a current value of the first light-emitting element is out of a range of ±10% of a corresponding voltage value or current value of the N light-emitting elements.

34. The luminance compensation method according to claim 5, wherein the light-emitting element in the brightness anomalous status has a brightness lower than a corresponding brightness of the N light-emitting elements.