IP Library › Granted Patent US 12,200,976
Granted Patent B2
US 12,200,976 · App. 17/449,901 · Granted Jan 14, 2025

Display device

Inventors: Hae Ju Yun (Hwaseong-si, KR); Min Seong Yi (Seoul, KR); Jin Yool Kim (Asan-si, KR); Jung Gun Nam (Suwon-si, KR)
Assignee: Samsung Display Co., Ltd.
H10K59/122H10K50/844H10K59/38
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Quick Facts
Patent No.
US 12,200,976
App. No.
17/449,901
Granted
Jan 14, 2025
Kind
B2
Abstract

A display device includes a base substrate; an outer bank on the base substrate and including an opening defining an emission area; a light-emitting element including at least an active layer and extending in a first direction in the emission area; a color mixing prevention member on the outer bank and having an opening defining a transmitting area; and a color control layer in the opening defined by the color mixing prevention member, wherein the transmitting area includes a first side at one side in the first direction and a second side at an opposite side in the first direction when viewed from top, and wherein a first distance between a first reference line and the first side of the transmitting area is equal to a second distance between the second side of the transmitting area and the first reference line.

Claims (63)

1. A display device comprising:

a base substrate;

an outer bank on the base substrate and having an opening defining at least one emission area;

a light-emitting element comprising two semiconductor layers and at least an active layer between the two semiconductor layers and extending in a first direction in the emission area;

a color mixing prevention member on the outer bank and having an opening defining a transmitting area; and

a color control layer in the opening defined by the color mixing prevention member,

wherein the transmitting area comprises a first side at one side in the first direction and a second side at an opposite side in the first direction when viewed from top, and

wherein a first distance between a first reference line between the two semiconductor layers and passing through a center of the active layer of the light-emitting element in a second direction perpendicular to the first direction and the first side of the transmitting area is equal to a second distance between the second side of the transmitting area and the first reference line.

2. The display device of claim 1 , wherein the emission area comprises a first side at the one side in the first direction and a second side at the opposite side in the first direction when viewed from the top, and

wherein a distance between the first side of the emission area and the first side of the transmitting area is equal to a distance between the second side of the emission area and the second side of the transmitting area.

3. The display device of claim 2 , wherein a distance between the first side of the emission area and the first reference line is equal to a distance between the second side of the emission area and the first reference line.

4. The display device of claim 2 , wherein the active layer is located closer to the one side in the first direction from a center of the light-emitting element, and

wherein a distance between the first side of the emission area and the light-emitting element is different from a distance between the second side of the emission area and the light-emitting element.

5. The display device of claim 1 , wherein the emission area comprises a first side at the one side in the first direction and a second side at the opposite side in the first direction when viewed from the top, and

wherein a distance between the first side of the emission area and the light-emitting element is equal to a distance between the second side of the emission area and the light-emitting element.

6. The display device of claim 5 , wherein the active layer is located closer to the one side in the first direction from a center of the light-emitting element, and

wherein a distance between the first side of the emission area and the first side of the transmitting area is different from a distance between the second side of the emission area and the second side of the transmitting area.

7. The display device of claim 1 , wherein the first reference line overlaps with a second reference line that equally divides the transmitting area in the first direction.

8. A display device comprising:

a base substrate;

an outer bank on the base substrate and having an opening defining an emission area;

first and second light-emitting elements each extending in a first direction in the emission area and comprising at least an active layer which is a layer that emits a light;

a color mixing prevention member on the outer bank and having an opening defining a transmitting area; and

a color control layer in the opening partitioned by the color mixing prevention member,

wherein the transmitting area comprises a first side at one side in the first direction and a second side at an opposite side in the first direction when viewed from top,

wherein the first light-emitting element is adjacent to the first side of the transmitting area, and the second light-emitting element is adjacent to the second side of the transmitting area,

wherein the first light-emitting element and the second light-emitting element are spaced from each other,

wherein a first reference line of the first light-emitting element passes through a center of the active layer of the first light-emitting element in a second direction perpendicular to the first direction,

wherein a first reference line of the second light-emitting element passes through a center of the active layer of the second light-emitting element in the second direction,

wherein a first distance between the first reference line of the first light-emitting element and the first side of the transmitting area is equal to a second distance between the first reference line of the second light-emitting element and the second side of the transmitting area,

wherein the emission area comprises a first side at the one side in the first direction and a second side at the opposite side in the first direction when viewed from the top, and

wherein a distance between the first side of the emission area and the first light-emitting element is different from a distance between the second side of the emission area and the second light-emitting element.

9. The display device of claim 8 , wherein the first light-emitting element and the second light-emitting element are spaced from each other in the first direction.

10. The display device of claim 9 ,

wherein a distance between the first side of the emission area and the first side of the transmitting area is equal to a distance between the second side of the emission area and the second side of the transmitting area.

11. The display device of claim 10 , wherein a distance between the first side of the emission area and the first reference line of the first light-emitting element is equal to a distance between the second side of the emission area and the first reference line of the second light-emitting element.

12. The display device of claim 10 , wherein the active layer of the first light-emitting element is located closer to the one side in the first direction with respect to the center of the first light-emitting element, and

wherein the active layer of the second light-emitting element is located closer to the one side in the first direction with respect to the center of the second light-emitting element.

13. The display device of claim 8 , wherein the first light-emitting element and the second light-emitting element are spaced from each other in the second direction perpendicular to the first direction.

14. The display device of claim 13 , wherein the first light-emitting element and the first reference line of the second light-emitting element overlap each other, wherein each of the first reference line of the first light-emitting element and the first reference line of the second light-emitting element overlaps with a second reference line that equally divides the transmitting area in the first direction.

15. The display device of claim 9 , wherein the active layer of the first light-emitting element is located closer to the one side in the first direction with respect to the center of the first light-emitting element,

wherein the active layer of the second light-emitting element is located closer to the one side in the first direction with respect to the center of the second light-emitting element,

wherein the active layers of the first and second light-emitting elements face in a same direction, and

wherein a distance between the first side of the emission area and the first side of the transmitting area is different from a distance between the second side of the emission area and the second side of the transmitting area.

16. A display device comprising:

a base substrate;

an outer bank on the base substrate and having an opening defining an emission area;

a light-emitting element extending in a first direction in the emission area and comprising two semiconductor layers and an active layer between the two semiconductor layers;

a color mixing prevention member on the outer bank and having an opening defining a transmitting area; and

a color control layer in the opening partitioned by the color mixing prevention member,

wherein a first reference line between the two semiconductor layers and passing through a center of the active layer in a second direction perpendicular to the first direction overlaps with a second reference line equally dividing the transmitting area in the first direction.

17. The display device of claim 16 , wherein a distance between a first end of the light-emitting element and the first reference line is different from a distance between a second end of the light-emitting element and the first reference line.

18. The display device of claim 17 , wherein a third reference line equally dividing the emission area in the first direction overlaps with the second reference line.

19. The display device of claim 18 , wherein the emission area comprises a first side at one side in the first direction and a second side at an opposite side in the first direction when viewed from top,

wherein the first end of the light-emitting element is spaced from and faces the first side of the emission area,

wherein the second end of the light-emitting element is spaced from and faces the second side of the emission area, and

wherein a distance between the first side of the emission area and the first end of the light-emitting element is different from a distance between the second side of the emission area and the second end of the light-emitting element.

20. The display device of claim 17 , wherein the emission area comprises a first side at one side in the first direction and a second side on at opposite side in the first direction when viewed from top,

wherein the first end of the light-emitting element is spaced from and faces the first side of the emission area,

wherein the second end of the light-emitting element is spaced from and faces the second side of the emission area, and

wherein a distance between the first side of the emission area and the first end of the light-emitting element is equal to a distance between the second side of the emission area and the second end of the light-emitting element.

21. The display device of claim 20 , wherein the transmitting area comprises a first side at the one side in the first direction and a second side at the opposite side in the first direction when viewed from the top, and

wherein a distance between the first side of the emission area and the first side of the transmitting area is different from a distance between the second side of the emission area and the second side of the transmitting area.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 4, 2021
From: YUN, HAE JU; YI, MIN SEONG; KIM, JIN YOOL; NAM, JUNG GUN
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 057693/0685 →
Priority Claims (1)
KR 10-2020-0152506 · Nov 16, 2020 · national
Continuity (1)
Related Publication 20220157904A1 · May 19, 2022
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Cited By (1)
US 12,694,822