IP Library Granted Patent US 8,446,557
Granted Patent B2
US 8,446,557 · App. 13/053,315 · Granted May 21, 2013

Liquid crystal display device

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Quick Facts
Patent No.
US 8,446,557
App. No.
13/053,315
Granted
May 21, 2013
Kind
B2
Abstract

The liquid crystal display device according to the present invention is a thin liquid crystal display device where it is easy to position the flexible printed circuit on which light emitting diodes are mounted. In the liquid crystal display device having a liquid crystal display panel and a flexible printed circuit (FPC) that is connected to the liquid crystal display panel and supplies power for driving display pixels, light emitting diodes (LED) are mounted on a portion of the flexible printed circuit, a mold frame MFR is provided to contain the light emitting diodes, and through holes ( 60, 61 ) for positioning are created in both the flexible printed circuit and the mold frame.

Claims (7)

1. A liquid crystal display device having a liquid crystal display panel and a flexible printed circuit that is connected to the liquid crystal display panel and supplies power for driving display pixels, characterized in that

light emitting diodes are mounted on a portion of the flexible printed circuit,

a mold frame is provided to contain the light emitting diodes, and

through holes for positioning are created in both the flexible printed circuit and the mold frame.

2. The liquid crystal display device according to claim 1 , characterized in that a pin on an assembly jig is inserted into the through holes in the mold frame and the flexible printed circuit when the liquid crystal display device is assembled.

3. The liquid crystal display device according to claim 2 , characterized in that a double-sided adhesive tape is provided between the liquid crystal display panel and the mold frame, and a through hole or a notch is created in the double-sided adhesive tape so as to correspond to the through hole in the mold frame.

4. The liquid crystal display device according to claim 1 , characterized in that a double-sided adhesive tape is provided between the liquid crystal display panel and the mold frame, and a through hole or a notch is created in the double-sided adhesive tape so as to correspond to the through hole in the mold frame.

Assignments (8)
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 →
COMPANY SPLIT PLAN TRANSFERRING FIFTY (50) PERCENT SHARE OF PATENTS AND APPLICATIONS Recorded Nov 27, 2012
From: HITACHI DISPLAYS, LTD.
To: IPS ALPHA SUPPORT CO., LTD.
Reel/Frame 029362/0104 →
MERGER Recorded Nov 27, 2012
From: IPS ALPHA SUPPORT CO., LTD.
To: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
Reel/Frame 029358/0841 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 22, 2011
From: OOHIRA, EIJI
To: HITACHI DISPLAYS, LTD.
Reel/Frame 025994/0789 →