LAMINATED FILM, ELECTRON ELEMENT, PRINTED CIRCUIT BOARD AND DISPLAY DEVICE

• US 20170188469A1
• Filed: 12/05/2016
• Published: 06/29/2017
• Est. Priority Date: 12/25/2015
• Status: Active Grant

• Current Assignee: Japan Display Incorporated
• Original Assignee: Japan Display Incorporated
• Inventors: Taguchi, Motoyumi
• Granted Patent: US 10,151,944 B2
• Time in Patent Office: Days
• CPC Class Codes: B32B 15/20 comprising aluminium or copper B32B15/016 and B32B15/017 take precedence
• CPC Class Codes: B32B 2305/02 Cellular or porous
• CPC Class Codes: B32B 2307/206 Insulating
• CPC Class Codes: B32B 2457/08 PCBs, i.e. printed circuit boards
• CPC Class Codes: B32B 2457/202 LCD, i.e. liquid crystal displays
• CPC Class Codes: B32B 7/12 using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: G02F 1/133345 Insulating layers G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2310/08 Details of timing specific for flat panels, other than clock recovery
• CPC Class Codes: G09G 3/3677 suitable for active matrices only
• CPC Class Codes: H05K 1/147 at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit H05K1/148 takes precedence
• CPC Class Codes: H05K 2201/0116 Porous, e.g. foam
• CPC Class Codes: H05K 2201/10015 Non-printed capacitor
• CPC Class Codes: H05K 2201/10128 Display
• CPC Class Codes: H05K 2203/1311 Foil encapsulation, e.g. of mounted components
• CPC Class Codes: H05K 3/284 for encapsulating mounted components H05K1/185 takes precedence

Abstract

According to one embodiment, a laminated film includes a first adhesive layer, a first insulating layer which faces the first adhesive layer, a first metal layer which is located between the first adhesive layer and the first insulating layer, and a first porous layer which is located between the first adhesive layer and the first insulating layer and faces the first metal layer.

Claims

1. A laminated film comprising:

a first adhesive layer;

a first insulating layer which faces the first adhesive layer;

a first metal layer which is located between the first adhesive layer and the first insulating layer; and

a first porous layer which is located between the first adhesive layer and the first insulating layer, and faces the first metal layer.

2. An electron element comprising:

a capacitor; and

a laminated film stuck to a surface of the capacitor, wherein

the laminated film comprises;

a first adhesive layer; and

at least one of a first metal layer and a first porous layer located beyond the first adhesive layer from the capacitor.

3. A printed circuit board comprising:

a core substrate which comprises a first surface, and a second surface opposite to the first surface;

an oscillatory source provided on the first surface of the core substrate; and

a laminated film which is provided beyond the oscillatory source from the first surface and is stuck to the oscillatory source, or faces the oscillatory source through the core substrate and is stuck to the second surface, wherein

the laminated film comprises;

a first adhesive layer; and

at least one of a first metal layer and a first porous layer located beyond the first adhesive layer from the core substrate.

4. A display device comprising:

a display panel; and

a printed circuit board coupled to the display panel, wherein

the printed circuit board comprises;

a core substrate which comprises a first surface, and a second surface opposite to the first surface;

an oscillatory source provided on the first surface of the core substrate; and

a laminated film which is provided beyond the oscillatory source from the first surface and is stuck to the oscillatory source, or faces the oscillatory source through the core substrate and is stuck to the second surface, and

the laminated film comprises;

a first adhesive layer; and

at least one of a first metal layer and a first porous layer located beyond the first adhesive layer from the core substrate.

5. The display device of claim 4, wherein

the laminated film comprises:

the first adhesive layer; and

the first porous layer.

6. The display device of claim 4, wherein

the laminated film comprises:

the first adhesive layer;

the first metal layer; and

a first insulating layer located beyond the first metal layer from the first adhesive layer.

7. The display device of claim 4, wherein

the laminated film comprises:

the first adhesive layer;

the first metal layer;

the first porous layer; and

a first insulating layer located beyond the first metal layer and the first porous layer from the first adhesive layer.

8. The display device of claim 7, wherein

the first metal layer is located between the first porous layer and the first insulating layer.

9. The display device of claim 4, wherein

the laminated film is stuck to the oscillatory source, and is further stuck to the first surface in a whole circumference surrounding the oscillatory source.

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

another laminated film which faces the oscillatory source through the core substrate and is stuck to the second surface, wherein

the laminated film is provided beyond the oscillatory source from the first surface, and is stuck to the oscillatory source, and

the other laminated film comprises;

a second adhesive layer; and

at least one of a second metal layer and a second porous layer located beyond the second adhesive layer from the core substrate.

11. The display device of claim 4, wherein

the oscillatory source is a capacitor.

12. The display device of claim 11, wherein

the capacitor is a ceramic capacitor.

13. The display device of claim 11, wherein

the capacitor is connected to a circuit which performs discharge and charge in specific cycles.

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

a plurality of nonoscillatory sources provided on the first surface of the core substrate, wherein

the oscillatory source is located in a central region of an area in which the oscillatory source and the nonoscillatory sources are provided.

15. The display device of claim 4, wherein

a distance from an end of the oscillatory source to an end of the laminated film facing the end of the oscillatory source is greater than or equal to 1.5 mm.

16. The display device of claim 4, wherein

the laminated film comprises at least the first metal layer out of the first metal layer and the first porous layer, and

the first metal layer is formed of copper.

17. The display device of claim 7, wherein

the laminated film comprises at least the first porous layer out of the first metal layer and the first porous layer, and

the first porous layer is formed of a porous material of nonwoven fabric.

18. A printed circuit board comprising:

a core substrate which comprises a first surface, and a second surface opposite to the first surface;

an oscillatory source provided on the first surface of the core substrate; and

a sound absorption sheet which is located beyond the oscillatory source from the first surface, is stuck to the oscillatory source, and inhibits a peak of at least part of sound pressure.

19. A display device comprising:

a display panel; and

a printed circuit board coupled to the display panel, wherein

the printed circuit board comprises;

a core substrate which comprises a first surface, and a second surface opposite to the first surface;

an oscillatory source provided on the first surface of the core substrate; and

a sound absorption sheet which is located beyond the oscillatory source from the first surface, is stuck to the oscillatory source, and inhibits a peak of at least part of sound pressure.