Method of manufacturing display apparatus

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

forming a test area on a display substrate;

irradiating a first laser to the test area and determining relative positions of the test area and a first irradiation area formed by irradiating the first laser to the test area; and

correcting a position of a second laser irradiated to the display substrate based on the relative positions of the test area and the first irradiation area.

2 . The method of claim 1 , wherein the second laser forms an annular second irradiation area within a processing area of the display substrate.

3 . The method of claim 2 , further comprising removing a part of the display substrate along the processing area.

4 . The method of claim 1 , further comprising acquiring an image of the test area.

5 . The method of claim 1 , further comprising calculating a displacement between a center of the test area and a center of the first irradiation area.

6 . The method of claim 1 , wherein the display substrate comprises a plurality of cells, and

wherein the test area is arranged inside the plurality of cells or outside the plurality of cells.

7 . The method of claim 6 , wherein a plurality of first lasers are concurrently irradiated to cells located in a same column from among the plurality of cells.

8 . The method of claim 6 , wherein a plurality of second lasers are concurrently irradiated to cells located in a same column from among the plurality of cells.

9 . The method of claim 6 , wherein a cell from among the plurality of cells includes a display area and a peripheral area, and

wherein the test area is arranged in the peripheral area or outside the peripheral area.

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

forming a first irradiation area by irradiating a first laser to a test area of a first display substrate;

forming a second irradiation area by irradiating a second laser to a processing area of the first display substrate;

determining relative positions of the test area and the first irradiation area;

changing an irradiation position of the first laser and an irradiation position of the second laser based on the relative positions of the test area and the first irradiation area;

irradiating the first laser to a test area of a second display substrate at the changed irradiation position of the first laser; and

irradiating the second laser to a processing area of the second display substrate at the changed irradiation position of the second laser.

11 . The method of claim 10 , further comprising photographing the test area and the first irradiation area.

12 . The method of claim 10 , further comprising calculating a displacement between a center of the test area of the first display substrate and a center of the first irradiation area of the first display substrate.

13 . The method of claim 10 , wherein each of the first display substrate and the second display substrate comprises a plurality of cells, and

wherein the test area of each of the first display substrate and the second display substrate, respectively, is arranged inside the plurality of cells or outside the plurality of cells.

14 . The method of claim 13 , wherein a plurality of first lasers are concurrently irradiated to cells located in a same column from among the plurality of cells.

15 . The method of claim 13 , wherein a plurality of second lasers are concurrently irradiated to cells located in a same column from among the plurality of cells.

16 . The method of claim 13 , wherein a cell from among the plurality of cells comprises a display area and a peripheral area, and

wherein the test area of the first display substrate or the second display substrate is arranged in the peripheral area or outside the peripheral area.

17 . The method of claim 13 , further comprising separating the plurality of cells of the first display substrate or the second display substrate from each other.

18 . The method of claim 17 , further comprising removing a part of one of the first display substrate or the second display substrate along the processing area.

19 . The method of claim 10 , wherein the second irradiation area is annular.

20 . The method of claim 10 , wherein the first irradiation area has a circular shape, an annular shape, or a cross shape.