IP Library › Granted Patent US 12,382,594
Granted Patent B2
US 12,382,594 · App. 17/990,771 · Granted Aug 5, 2025

Display device

Inventors: Suchan Kwon (Paju-si, KR); Buhui Lee (Paju-si, KR)
Assignee: LG Display Co., Ltd.
H05K5/0217
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Quick Facts
Patent No.
US 12,382,594
App. No.
17/990,771
Granted
Aug 5, 2025
Kind
B2
Abstract

A display device capable of implementing a narrow bezel by forming a radius of curvature of a bending part to be smaller and reinforcing rigidity of a display panel by disposing reinforcing members in the bending part.

Claims (54)

1. A display device comprising:

a display panel comprising a front part configured to display images, a bending part extended to bend from the front part and a pad part extended from the bending part and disposed below the front part; and

a first plate, a cushion plate and a second plate disposed between the front part and the pad part,

wherein the cushion plate comprises a first adhesive layer, a cushion layer, and a heat dissipation layer,

wherein a portion of the pad part is configured to contact with the first adhesive layer and another portion of the pad part is configured to be disposed below the second plate, and

wherein a step difference is formed between the portion of the pad part configured to contact with the first adhesive layer and another portion of the pad part configured to be disposed below the second plate.

2. The display device of claim 1 , further comprising:

a first reinforcing member disposed on an outer surface of the bending part; and

a second reinforcing member disposed on an inner surface of the bending part,

wherein the second reinforcing member has a uniform thickness.

3. The display device of claim 1 , further comprising:

a first reinforcing member configured to be disposed on an outer surface of the bending part; and

a second reinforcing member configured to be disposed on an inner surface of the bending part,

wherein a thickness of the second reinforcing member is configured to vary by location from a first plate to a first adhesive layer.

4. The display device of claim 1 , further comprising:

a first reinforcing member disposed on an outer surface of the bending part; and

a second reinforcing member disposed on an inner surface of the bending part,

wherein a length of the first adhesive layer is shorter than a length of the first plate, and

wherein the second reinforcing member is in contact with at least some portion of a bottom surface and a side surface of the first plate.

5. The display device of claim 1 , wherein the first adhesive layer comprises:

a first base material;

a second layer disposed below the first base material; and

a first layer disposed on the first base material and having an embossing pattern on a top surface.

6. The display device of claim 1 , further comprising a third plate and a second adhesive layer disposed between the first adhesive layer and the cushion layer.

7. A display device comprising:

a display panel comprising a front part configured to display images, a bending part extended to bend from the front part and a pad part extended from the bending part and disposed below the front part; and

a first plate, a cushion plate and a second plate disposed between the front part and the pad part,

wherein the cushion plate comprises a first adhesive layer, a cushion layer and a heat dissipation layer;

wherein the first adhesive layer protrudes further towards a side of the bending part than the cushion layer, the heat dissipation layer and the second plate, and

wherein a distance between the pad part and the front part becomes shorter towards a side of the bending part.

8. The display device of claim 7 , further comprising:

a first reinforcing member disposed on an outer surface of the bending part; and

a second reinforcing member disposed on an inner surface of the bending part,

wherein the second reinforcing member has a uniform thickness.

9. The display device of claim 7 , further comprising:

a first reinforcing member disposed on an outer surface of the bending part; and

a second reinforcing member disposed on an inner surface of the bending part,

wherein a thickness of the second reinforcing member varies by location from a first plate to a first adhesive layer.

10. The display device of claim 7 , further comprising:

a first reinforcing member disposed on an outer surface of the bending part; and

a second reinforcing member disposed on an inner surface of the bending part,

wherein a length of the first adhesive layer is shorter than a length of the first plate, and

wherein the second reinforcing member is in contact with at least some portion of a bottom surface and a side surface of the first plate.

11. The display device of claim 7 , wherein the first adhesive layer comprises:

a first base material;

a second layer disposed below the first base material; and

a first layer disposed on the first base material and having an embossing pattern on a top surface.

12. The display device of claim 7 , further comprising a third plate and a second adhesive layer configured to be disposed between the first adhesive layer and the cushion layer.

13. A display device comprising:

a display panel comprising a front part configured to display images, a bending part extended to bend from the front part and a pad part extended from the bending part and disposed below the front part; and

a first adhesive layer and a porous substrate disposed between the front part and the pad part,

wherein the porous substrate comprises a first area disposed at an upper portion of the pad part and a second area disposed in the first area and protrudes further towards a side of the bending part than a first area.

14. The display device of claim 13 , wherein a portion of the pad part is connected with a portion of a second area of the porous substrate, and

wherein another portion of the pad part is connected below a first area of the porous substrate.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 18, 2025
From: KWON, SUCHAN; LEE, BUHUI
To: LG DISPLAY CO., LTD.
Reel/Frame 070881/0940 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 21, 2022
From: KWON, SUCHAN; LEE, BUHUI
To: LG DISPLAY CO., LTD.
Reel/Frame 061838/0163 →
Priority Claims (1)
KR 10-2021-0169938 · Dec 1, 2021 · national
Continuity (1)
Related Publication 20230171905A1 · Jun 1, 2023
References Cited (9)
US 20140217328A1 · Daly · 2014 [cited by examiner]
US 20190174658A1 · Qi · 2019 [cited by examiner]
US 20190207130A1 · He · 2019 [cited by examiner]
US 20200264668A1 · Baek · 2020 [cited by examiner]
US 20220181576A1 · Cha · 2022 [cited by examiner]
US 20220209167A1 · Park · 2022 [cited by examiner]
KR 102037694B1 · 2019 [cited by examiner]
KR 20220080862A · 2022 [cited by examiner]
KR 20220095664A · 2022 [cited by examiner]