IP Library Granted Patent US 11,276,840
Granted Patent B2
US 11,276,840 · App. 16/891,094 · Granted Mar 15, 2022

Display device having an optically transparent plate

Inventors: Masumi Nishimura (Tokyo, JP); Megumi Senda (Tokyo, JP)
Assignee: JAPAN DISPLAY INC.
H01L51/5256G02F1/133528H01L27/323H01L51/0097H01L27/14678H01L33/44H01L51/5293H01L2251/5338
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Quick Facts
Patent No.
US 11,276,840
App. No.
16/891,094
Granted
Mar 15, 2022
Kind
B2
Abstract

A display device includes a protection coating having a precisely controlled thickness. The display device includes: a display panel including a display area, a terminal area on which terminals are disposed, and a bent area located between the display area and the terminal area, wherein the bent area is bent such that the terminal area is located below the backside of the display area; a film on the frontside of the display area; a film on the frontside of the display area; an optically transparent plate on the frontside of the film; and a protection coating disposed on the frontside of the bent area, wherein one end of the film faces one end of the protection coating, and the optically transparent plate covers the end of the protection coating and is bonded to the end of the protection coating.

Claims (15)

1. A display device comprising:

a display panel including a display area, a terminal area on which terminals are disposed, and a bent area located between the display area and the terminal area, wherein the bent area is bent such that the terminal area is located below the backside of the display area;

a film on the frontside of the display area;

an optically transparent plate on the frontside of the film; and

a protection coating disposed on the frontside of the bent area, wherein one end of the film faces one end of the protection coating, and the optically transparent plate covers the end of the protection coating and is bonded to the end of the protection coating.

2. The display device according to claim 1 , wherein the end of the film contacts the end of the protection coating.

3. The display device according to claim 1 , wherein the end of the protection coating is formed without being disposed on the film.

4. The display device according to claim 1 , the end of the optically transparent plate is located outside the end of the film.

5. The display device according to claim 1 , wherein the height of the upper surface of the protection coating is equal to or lower than the height of the upper surface of the film.

6. The display device according to claim 1 , further comprising a further film disposed on the backside of the display area, wherein the end of the protection coating is located between the optically transparent plate and the further film.

7. The display device according to claim 1 , further comprising a further film disposed on the backside of the display area, wherein the display panel and the end of the protection coating are sandwiched between the optically transparent plate and the further film.

8. The display device according to claim 1 , wherein a binder is interposed between the optically transparent plate and the end of the protection coating.

9. The display device according to claim 1 , wherein the optically transparent plate is bonded to the film and the end of protection coating.

10. The display device according to claim 1 , wherein the optically transparent plate is a polarizer.

11. The display device according to claim 1 , wherein the film comprises a touch sensor.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 26, 2026
From: MAGNOLIA WHITE CORPORATION
To: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 074188/0280 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 9, 2020
From: NISHIMURA, MASUMI; SENDA, MEGUMI
To: JAPAN DISPLAY INC.
Reel/Frame 054045/0323 →