IP Library Granted Patent US 7,593,234
Granted Patent B2
US 7,593,234 · App. 11/856,134 · Granted Sep 22, 2009

Electro-optical device, method of manufacturing electro-optical device, and electronic apparatus

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Quick Facts
Patent No.
US 7,593,234
App. No.
11/856,134
Granted
Sep 22, 2009
Kind
B2
Abstract

Disclosed herein is an electro-optical device including a substrate for the electro-optical device connected with a flexible circuit board, wherein the flexible circuit board partially faces one surface of the substrate for the electro-optical device, is folded to face the other surface of the substrate for the electro-optical device at a position which does not overlap the substrate for the electro-optical device, and has a region extending to overlap the substrate for the electro-optical device, and wherein a reinforcement plate is interposed between the substrate for the electro-optical device and the folded flexible circuit board in a region in which at least the substrate for the electro-optical device and the flexible circuit board overlap each other.

Claims (11)

1. An electro-optical device comprising:

a substrate that composes the electro-optical; and

a flexible circuit board connected to the substrate,

wherein the flexible circuit board connected to one surface of the substrate is folded to the other surface of the substrate at a position which does not overlap the substrate, and has a region extending to overlap the other surface of the substrate, and

wherein a reinforcement plate is disposed in portion that overlaps the other surface of the substrate from an interior portion of the folded position of the flexible circuit board, and

the reinforcement plate includes a thin region which overlaps the substrate and a thick region which does not overlap the substrate, and the thick region is formed by folding the reinforcement plate to have a thickness corresponding to twice that of the reinforcement plate.

2. The electro-optical device according to claim 1 , wherein a semiconductor device is mounted on one surface of the substrate for the electro-optical device, and the reinforcement plate overlaps at least a portion of a region in which the semiconductor device is mounted.

3. The electro-optical device according to claim 1 , wherein the flexible circuit board is folded along with the reinforcement plate.

4. The electro-optical device according to claim 2 , wherein a thickness of the reinforcement plate in a region in which the reinforcement plate and the substrate for the electro-optical do not overlap each other is equal to a distance from an outer surface of the reinforcement plate to an outer surface of the substrate for the electro-optical device in a region in which the reinforcement plate and the substrate for the electro-optical device overlap each other.

5. The electro-optical device according to claim 1 , wherein the flexible circuit board has an opening or a notch, the reinforcement plate has an opening or a protrusion, and the opening or the notch of the flexible circuit board is aligned with the opening or the protrusion of the reinforcement plate.

6. An electronic apparatus compromising the electro-optical device according to claim 1 .

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072398/0001 →
MERGER AND CHANGE OF NAME Recorded Jul 24, 2025
From: JAPAN DISPLAY EAST INC.; JAPAN DISPLAY WEST INC.
To: JAPAN DISPLAY INC.
Reel/Frame 071935/0063 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 8, 2013
From: SONY CORPORATION
To: JAPAN DISPLAY WEST INC.
Reel/Frame 031360/0887 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 11, 2011
From: EPSON IMAGING DEVICES CORPORATION
To: SONY CORPORATION
Reel/Frame 025935/0327 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 17, 2007
From: OKUDA, TATSUMI
To: EPSON IMAGING DEVICES CORPORATION
Reel/Frame 019832/0355 →