IP Library › Granted Patent US 11,672,139
Granted Patent B2
US 11,672,139 · App. 17/145,814 · Granted Jun 6, 2023

Display device

Inventors: Youn Hwan Jung (Hwaseong-si, KR); Kyu Han Bae (Asan-si, KR); Jae Lok Cha (Hwaseong-si, KR); Kang Yong Lee (Seoul, KR)
Assignee: Samsung Display Co., Ltd.
H01L51/5246H01L27/323H01L51/529H01L51/5237H01L33/12H01L33/44H01L33/48H01L33/483H01L33/64H01L51/0097H01L2251/5338
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Quick Facts
Patent No.
US 11,672,139
App. No.
17/145,814
Granted
Jun 6, 2023
Kind
B2
Abstract

Provided is a display device, comprising a display panel which comprises a first area and a second area located around the first area; and an under-panel sheet which is located under the display panel and overlaps the first area and the second area, wherein the under-panel sheet comprises a buffer member and a strength reinforcing member, wherein the strength reinforcing member is thinner than the buffer member, and a ratio of a thickness of the buffer member to a thickness of the strength reinforcing member is 3 to 6 times.

Claims (36)

1. A display device comprising:

a display panel which comprises a first side extending in a first direction, a second side extending in a second direction intersecting the first direction, a third side opposite to the first side, and fourth side opposite to the second side;

a window which is disposed on the display panel and comprises a first area overlapping the display panel and a second area protruding outward from the display panel;

a bracket disposed under the display panel; and

a waterproof tape disposed between the window and the bracket,

wherein the waterproof tape comprises:

a first waterproof portion disposed along the first side of the display panel,

a second waterproof portion disposed along the second side of the display panel,

a third waterproof portion disposed along the third side display panel, and

a fourth waterproof portion disposed along the fourth side of the display panel, and

wherein the first waterproof portion overlaps the display panel, and the second waterproof portion overlaps the second area of the window.

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

a first waterproof resin disposed in a space between the first waterproof portion and the second waterproof portion.

3. The display device of claim 2 , wherein the first waterproof resin overlaps the second area of the window.

4. The display device of claim 1 , wherein the third waterproof portion overlaps the display panel, and

wherein the fourth waterproof portion overlaps the second area of the window.

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

a first waterproof resin disposed in a space between the first waterproof portion and the second waterproof portion; and

a second waterproof resin disposed in a space between the third waterproof portion and the second waterproof portion.

6. The display device of claim 5 , wherein the first waterproof resin and the second waterproof resin overlap the second area of the window.

7. The display device of claim 1 , wherein the first waterproof portion is disposed between the display panel and the bracket, and

wherein the second waterproof portion does not overlap the display panel.

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

a flexible circuit board disposed at the second side of the display panel,

wherein the second waterproof tape does not overlap the flexible circuit board.

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

an under-panel sheet disposed between the display panel and the bracket,

wherein the first waterproof portion and the third waterproof portion are disposed between the under-panel sheet and the bracket, and

wherein the second waterproof portion and the fourth waterproof portion do not overlap the under-panel sheet.

10. The display device of claim 9 , wherein the first waterproof portion and the third waterproof portion directly contact the under-panel sheet and the bracket, and

wherein the second waterproof portion and the fourth waterproof portion directly contact the bracket and the window.

11. The display device of claim 9 , wherein the under-panel sheet comprises a buffer member and a strength reinforcing member.

12. The display device of claim 11 , wherein the strength reinforcing member comprises polyimide (PT).

13. The display device of claim 1 , wherein the fourth waterproof portion is extended from the first waterproof portion in the second direction, and

wherein the third waterproof portion is extended from the fourth waterproof portion in the first direction.

14. The display device of claim 1 , wherein a length of the first side of the display panel in the first direction is longer than a length of the second side of the display panel in the second direction.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 11, 2021
From: JUNG, YOUN HWAN; BAE, KYU HAN; CHA, JAE LOK; LEE, KANG YONG
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 054880/0324 →
Priority Claims (1)
KR 10-2017-0084440 · Jul 3, 2017 · national
Continuity (3)
Continuation 16505671 · Jul 8, 2019
Continuation 15867247 · Jan 10, 2018
Related Publication 20210135152A1 · May 6, 2021
Cited By (3)
US 12,353,246 US 12,665,962 US 12,707,809