IP Library Granted Patent US 7,656,471
Granted Patent B2
US 7,656,471 · App. 11/871,452 · Granted Feb 2, 2010

Liquid crystal display device

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Quick Facts
Patent No.
US 7,656,471
App. No.
11/871,452
Granted
Feb 2, 2010
Kind
B2
Abstract

A liquid crystal display device includes a liquid crystal display panel and a backlight. The liquid crystal display device has a hole in the screen. The hole of the liquid crystal display panel has a first protecting member; and the hole of the backlight has a second protecting member. The liquid crystal display panel hole and the backlight hole form a common hole. The common hole has a third protecting member. With this structure, the viewer can see another display in the liquid crystal display screen without feeling a noticeable difference.

Claims (19)

1. A display device comprising:

a liquid crystal display panel and a backlight; wherein

a liquid crystal display panel hole formed in the liquid crystal display panel, a first protecting member formed around the inner periphery of the liquid crystal display panel hole,

a backlight hole formed in the backlight, a second protecting member formed around the inner periphery of the backlight hole,

the liquid crystal display panel hole and the backlight hole form a common hole.

2. The display device according to claim 1 , wherein the first protecting member is made of metal, the metal being at a potential common to the reference potential of the liquid crystal display panel.

3. The display device according to claim 1 , wherein the first protecting member is a metal tape having an adhesive on one side.

4. The display device according to claim 1 , wherein the first protecting member is an insulator.

5. The display device according to claim 1 , wherein the second protecting member is made of the same material as the protecting member around the inner periphery of the liquid crystal display panel hole.

6. The display device according to claim 1 , wherein the second protecting member is made of a material different from the protecting member around the inner periphery of the liquid crystal display panel hole.

7. The display device according to claim 1 , wherein the second protecting member is a light-shielding member.

8. A display device comprising:

a liquid crystal display panel and backlight; wherein

a liquid crystal display panel hole formed in the liquid crystal display panel, a first protecting member formed around the inner periphery of the liquid crystal display panel hole,

a backlight hole formed in the backlight, a second protecting member around the inner periphery of the backlight hole, and

the liquid crystal display panel hole and the backlight hole form a common hole, and a third protecting member is formed around the inner periphery thereof.

9. The display device according to claim 8 , wherein the third protecting member is made of metal, the metal being at a potential common to the reference potential of the liquid crystal display panel.

10. The display device according to claim 8 , wherein the third protecting member is a metal tape having an adhesive on one side.

11. The display device according to claim 8 , wherein the third protecting member is an insulator.

Assignments (9)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 10, 2025
From: JAPAN DISPLAY INC
To: MAGNOLIA PURPLE CORPORATION
Reel/Frame 071890/0202 →
CHANGE OF NAME Recorded Nov 17, 2023
From: HITACHI DISPLAYS, LTD.
To: JAPAN DISPLAY EAST, INC.
Reel/Frame 065614/0223 →
CHANGE OF NAME Recorded Nov 17, 2023
From: JAPAN DISPLAY EAST, INC.
To: JAPAN DISPLAY, INC.
Reel/Frame 065614/0644 →
CHANGE OF ADDRESS Recorded Nov 17, 2023
From: JAPAN DISPLAY, INC.
To: JAPAN DISPLAY, INC.
Reel/Frame 065654/0250 →
NUNC PRO TUNC ASSIGNMENT Recorded Nov 17, 2023
From: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
To: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Reel/Frame 065615/0327 →
MERGER Recorded Oct 14, 2011
From: IPS ALPHA SUPPORT CO., LTD.
To: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
Reel/Frame 027063/0139 →
COMPANY SPLIT PLAN TRANSFERRING FIFTY (50) PERCENT SHARE OF PATENTS Recorded Oct 14, 2011
From: HITACHI DISPLAYS, LTD.
To: IPS ALPHA SUPPORT CO., LTD.
Reel/Frame 027063/0019 →
RECORD TO CORRECT THE RECEIVING PARTY'S ADDRESS, PREVIOUSLY RECORDED AT REEL 020503 FRAME 0691. Recorded Mar 6, 2008
From: OTA, YUZO; YONEYA, TOMOKAZU
To: HITACHI DISPLAYS, LTD.
Reel/Frame 020640/0760 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 13, 2008
From: OTA, YUZO; YONEYA, TOMOKAZU
To: HITACHI DISPLAYS, LTD
Reel/Frame 020503/0691 →