IP Library Granted Patent US 12696635
Granted Patent B2
US 12696635 · App. 17/595,762 · Granted Jul 28, 2026

Display device

Inventors: Seung-Hwan Cho (Yongin-si, KR); Jong-Hyun Choi (Seoul, KR); Seung-Lyong Bok (Hwaseong-si, KR); Jung-Kyu Lee (Seo-gu, KR); Young-Cheol Jeong (Hwaseong-si, KR)
Assignee: Samsung Display Co., Ltd.
H10K59/131H10K59/8731H10K59/871H10K2102/311
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Quick Facts
Patent No.
US 12696635
App. No.
17/595,762
Granted
Jul 28, 2026
Kind
B2
Abstract

A display device includes a first display area, a second display area and a non-display area between the first display area and the second display area and extending in a first direction, at least a portion of the non-display area having a bending area connecting the first display area to the second display area, the display device comprising: light-emitting elements on a base substrate in the first display area and in the second display area; a first encapsulation layer covering light-emitting elements in the first display area; a second encapsulation layer covering light-emitting elements in the second display area; a signal wiring crossing the non-display area and extending in a second direction; and an upper compensation layer in the non-display area and filling a gap between the first encapsulation layer and the second encapsulation layer.

Claims (35)

1 . A display device including a first display area, a second display area and a non-display area between the first display area and the second display area and extending in a first direction, the first display area extending in a horizontal direction, the second display area extending in a vertical direction, the first display area and the second display area including an array of pixels, each of the pixels including at least one transistor, at least a portion of the non-display area having a bending area connecting the first display area to the second display area, the display device comprising:

light-emitting elements on a base substrate in the first display area and in the second display area;

a first encapsulation layer covering light-emitting elements in the first display area;

a second encapsulation layer covering light-emitting elements in the second display area and spaced apart from the first encapsulation layer;

a signal wiring crossing the non-display area and extending in a second direction;

a power bus wiring configured to transfer a power voltage and disposed in the non-display area between the first display area and the second display area and extending in the first direction to cross the signal wiring, wherein the signal wiring transfers a gate signal to the transistor of the pixels; and

an upper compensation layer in the non-display area and filling a gap between the first encapsulation layer and the second encapsulation layer, wherein a portion of the signal wiring, which overlaps the power bus wiring, is disposed above the power bus wiring and transfers the gate signal.

2 . The display device of claim 1 , further comprising an organic protective pattern under the upper compensation layer.

3 . The display device of claim 2 , wherein the non-display area includes:

a first non-display area at the organic protective pattern; and

a second non-display area where the first and second encapsulation layers, which extend from the first and second display areas, directly contact an inorganic insulation layer thereunder.

4 . The display device of claim 3 , wherein the signal wiring includes: a first signal wiring pattern under the inorganic insulation layer;

a second signal wiring pattern spaced apart from the first signal wiring pattern in the second direction; and

a bridge pattern in the first non-display area and electrically contacting the first signal wiring pattern and the second signal wiring pattern.

5 . The display device of claim 4 , wherein the organic protective pattern includes a first organic pattern and a second organic pattern on the first organic pattern, wherein the bridge pattern is between the first organic pattern and the second organic pattern.

6 . The display device of claim 2 , further comprising a lower compensation layer between the base substrate and the organic protective pattern and including an organic material.

7 . The display device of claim 6 , wherein the signal wiring extends over the lower compensation layer.

8 . The display device of claim 2 , wherein the power bus wiring is under the organic protective pattern.

9 . The display device of claim 1 , further comprising a power wiring crossing the non-display area and extending in the second direction.

10 . The display device of claim 9 , wherein the power wiring includes: a first power wiring pattern extending in the second direction;

a second power wiring pattern spaced apart from the first power wiring pattern; and

a bridge pattern in the non-display area and electrically contacting the first power wiring pattern and the second power wiring pattern.

11 . The display device of claim 1 , further comprising a supporting film combined with a lower surface of the base substrate and having an opening overlapping the non-display area.

12 . The display device of claim 1 , further comprising a supporting film combined with a lower surface of the base substrate, wherein the supporting film includes a supporting portion overlapping the first and second display areas and a bending portion overlapping the non-display area and including a material different from the supporting portion.

13 . The display device of claim 1 , further comprising a driving circuit in the non-display area.

14 . A display device including a first display area, a second display area and a non-display area between the first display area and the second display area and extending in a first direction, the first display area extending in a horizontal direction, the second display area extending in a vertical direction, at least a portion of the non-display area having a bending area connecting the first display area to the second display area, the display device comprising:

light-emitting elements on a base substrate in the first display area and in the second display area;

a first encapsulation layer covering light-emitting elements in the first display area;

a second encapsulation layer covering light-emitting elements in the second display area;

a signal wiring crossing the non-display area and extending in a second direction;

an upper compensation layer in the non-display area and filling a gap between the first encapsulation layer and the second encapsulation layer;

a touch-sensing line extending along the first direction in the non-display area and on the upper compensation layer; and

a shielding pattern between the upper compensation layer and the signal wiring.

15 . The display device of claim 14 , wherein the shielding pattern is in a same layer as a lower electrode of a light-emitting element from among the light-emitting elements.

16 . The display device of claim 14 , further comprising a power bus wiring under the shielding pattern and extending in the first direction.