IP Library Granted Patent US 12666810
Granted Patent B2
US 12666810 · App. 18/479,617 · Granted Jun 23, 2026

Display device and manufacturing method thereof

Inventors: Kangsoo Han (Yongin-si, KR); Kanguk Kim (Yongin-si, KR); Kwangmin Lee (Yongin-si, KR); Taehyung Hwang (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
H10K59/122H10K59/1201H10K59/38H10K2102/331
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Quick Facts
Patent No.
US 12666810
App. No.
18/479,617
Granted
Jun 23, 2026
Kind
B2
Abstract

A display device including a plurality of pixels and configured to display images, wherein the plurality of pixels comprise a first pixel row and a second pixel row adjacent to each other along a first direction, a first pixel, comprising a first group of a first plurality of subpixels, is repeatedly arranged along the first pixel row in a second direction perpendicular to the first direction, the second pixel row is shifted by a first distance in the second direction from the first pixel row, and the first distance is less than or equal to half a size of any one of the plurality of sub pixels in the second direction.

Claims (43)

1 . A display device comprising a plurality of pixels and configured to display images,

wherein the plurality of pixels comprise a first pixel row and a second pixel row adjacent to each other along a first direction,

a first pixel, comprising a first group of a first plurality of subpixels, is repeatedly arranged along the first pixel row in a second direction perpendicular to the first direction,

the second pixel row is shifted by a first distance in the second direction from the first pixel row, and

the first distance is less than or equal to half a size of any one of the first plurality of sub pixels in the second direction.

2 . The display device of claim 1 ,

wherein a second pixel, comprising a second group of a second plurality of subpixels, is repeatedly arranged in the second direction in the second pixel row, and

an arrangement of the first plurality of subpixels of the first pixel is identical to an arrangement of the second plurality of subpixels of the second pixel.

3 . The display device of claim 2 ,

wherein a 1-1 subpixel configured to emit a first color among the first plurality of subpixels of the first pixel partially overlaps, in the first direction, a 2-1 subpixel configured to emit the first color among the second plurality of subpixels of the second pixel.

4 . The display device of claim 3 , wherein the 2-1 subpixel is shifted by the first distance in the second direction from the 1-1 subpixel.

5 . The display device of claim 1 ,

wherein the plurality of pixels comprise n pixel rows (where n is a natural number equal to or greater than 2) comprising the first pixel row and the second pixel row and arranged along the first direction, and

each of the n pixel rows are shifted by an integer times the first distance in the second direction from the first pixel row.

6 . The display device of claim 5 , wherein the n pixel rows are repeatedly arranged along the first direction.

7 . The display device of claim 5 , wherein even-numbered pixel rows among the n pixel rows are shifted by the first distance in the second direction from odd-numbered pixel rows.

8 . The display device of claim 1 , wherein the display device comprises an emission panel and a color panel, and

the color panel comprises a bank, in which an opening corresponding to an emission area of the plurality of pixels is provided, and a quantum dot layer filling the opening of the bank.

9 . The display device of claim 8 ,

wherein the emission panel comprises a pixel electrode, a pixel defining film in which an opening exposing a portion of the pixel electrode and corresponding to the emission area of the plurality of pixels is provided, and an emission area filling the opening of the pixel defining film.

10 . A method of manufacturing a display device comprising an emission panel and a color panel, the method comprising:

forming a bank, in which an opening is formed, in a certain pixel arrangement on a substrate; and

providing droplets on the substrate on which the bank is formed, and

the pixel arrangement comprises

a first pixel row and a second pixel row adjacent to each other in a first direction,

wherein a first pixel, comprising a first group of a first plurality of subpixels, is repeatedly arranged in the first pixel row along a second direction perpendicular to the first direction,

the second pixel row is shifted by a first distance in the second direction from the first pixel row, and

the first distance is less than or equal to half a size of any one of the plurality of subpixels in the second direction.

11 . The method of claim 10 , wherein second pixels, each comprising a second group of a second plurality of subpixels, are repeatedly arranged along the second direction in the second pixel row, and

an arrangement of the first plurality of subpixels of the first pixel is identical to an arrangement of the second plurality of subpixels of the second pixel.

12 . The method of claim 11 ,

wherein a 1-1 subpixel configured to emit a first color among the first plurality of subpixels provided in the first pixel partially overlaps, in the first direction, a 2-1 subpixel configured to emit the first color among the second plurality of subpixels provided in the second pixel.

13 . The method of claim 12 , wherein the 2-1 subpixel is shifted by the first distance in the second direction from the 1-1 subpixel.

14 . The method of claim 12 , wherein the providing of the droplets on the substrate on which the bank is formed comprises

discharging the droplets into the opening of the bank according to the pixel arrangement through a plurality of nozzles while moving the substrate in the first direction.

15 . The method of claim 14 , wherein the first distance is an integer times an interval among the plurality of nozzles.

16 . The method of claim 14 ,

wherein, among the plurality of nozzles, nozzles configured to discharge the droplets to the 1-1 subpixel are at least partially different from nozzles configured to discharge the droplets to the 2-1 subpixel.

17 . The method of claim 10 , wherein the pixel arrangement comprises n pixel rows (where n is a natural number equal to or greater than 2) comprising the first pixel row and the second pixel row and arranged in the first direction, and

each of the n pixel rows is shifted by an integer times the first distance in the second direction from the first pixel row.

18 . The method of claim 17 , wherein, in the pixel arrangement, the n pixel rows are repeatedly arranged along the first direction.

19 . The method of claim 17 , wherein, in the pixel arrangement, even-numbered pixel rows among the n pixel rows are shifted by the first distance in the second direction from odd-numbered pixel rows.

20 . The method of claim 10 , further comprising arranging the color panel on the emission panel.