# US 12,183,482 B2 · Connection arrangement with a flexible flat cable

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,183,482 B2
- Document ID: US12183482B2
- Status: Granted
- Kind: B2
- Application number: 17/794,169
- Filed: 2021-02-05
- Published: 2023-11-02
- Granted: 2024-12-31
- Earliest claimed: 2020-02-07
- Assignees: Saint-Gobain Glass France
- Applicants: Saint-Gobain Glass France
- Inventors: François Hermange; Robin Spanjers
- Web page: https://patentgrep.com/patent/US12183482B2

## CPC

- H01B 7/08: Flat or ribbon cables
- B32B 17/10036: {comprising two outer glass sheets}
- B32B 17/10293: {Edge features, e.g. inserts or holes}
- B32B 17/10504: {Liquid crystal layer}
- B32B 17/10761: {containing vinyl acetal}
- B32B 27/08: of synthetic resin
- B32B 27/36: comprising polyesters
- H01B 7/04: Flexible cables, conductors, or cords, e.g. trailing cables
- H01B 7/041: {attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables}
- H01B 13/0036: {Details}
- B32B 2255/10: on synthetic resin layer or on natural or synthetic rubber layer
- B32B 2255/20: Inorganic coating
- B32B 2307/202: Conductive
- B32B 2457/00: Electrical equipment
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

## Abstract

A connection arrangement includes a composite pane composed of a first pane and a second pane, which are connected to an intermediate layer, two electrically conductive structures, in particular two mutually opposed surface electrodes of an electro-optical functional element that are arranged between the first pane and the second pane, and a flexible flat cable having electrical conductor tracks, includes a first connection region at a first end and on a first side of the flat cable, wherein the first connection region has a contact point of at least one conductor track, at least one second connection region at the first end and on the first side of the flat cable, wherein the second connection region has a contact point of at least one conductor track, and a third connection region with contact points of the conductor tracks at a second end of the flat cable.

## Claims

### Claim 1

A connection arrangement, comprising:
a composite pane composed of a first pane and a second pane, which are connected to an intermediate layer,
two electrically conductive structures that are arranged between the first pane and the second pane, and
a flexible flat cable having a plurality of electrical conductor tracks, comprising:
a first connection region at a first end and on a first side of the flexible flat cable, wherein the first connection region has a contact point of at least one conductor track of the plurality of electrical conductor tracks,
at least one second connection region at the first end and on the first side of the flexible flat cable, wherein the second connection region has a contact point of at least one conductor track of the plurality of electrical conductor tracks,
a third connection region with contact points of the plurality of conductor tracks at a second end of the flat cable,
wherein the flexible flat cable has a base section containing the first connection region and at least one strip-like section connected to the base section and containing the second connection region, wherein the strip-like section is folded or is foldable over at at least one fold region such that the second connection region faces the first connection region,
wherein the first connection region is electrically conductively connected to one electrically conductive structure of the two electrically conductive structures and the second connection region is electrically conductively connected to the other one electrically conductive structure of the two electrically conductive structures, wherein the flexible flat cable is routed out of the composite pane and the third connection region is arranged outside the composite pane,
wherein the strip-like section protrudes laterally from the base section along a direction of lateral extension, and
wherein an angle α between (i) a direction of extension of the strip-like section in front of and from the at least one fold region and (ii) a direction of extension of the strip-like section behind the at least one fold region and oriented toward said at least one fold region is from 10° to 170°, said direction of extension of the strip-like section behind said at least one fold region and oriented toward said at least one fold region corresponding to the direction of lateral extension of the strip-like section from the base section.

### Claim 2 (depends on 1)

The connection arrangement according to claim 1, wherein the strip-like section is arranged at an edge on the base section.

### Claim 3 (depends on 1)

The connection arrangement according to claim 1, wherein the strip-like section is folded or is foldable such that the second connection region is arranged laterally offset relative to the first connection region.

### Claim 4 (depends on 1)

The connection arrangement according to claim 1, wherein the strip-like section is folded or is foldable such that the second connection region is arranged opposite the first connection region.

### Claim 5 (depends on 1)

The connection arrangement according to claim 1, wherein a depression of a front edge of the flat cable is formed between the base section and the strip-like section.

### Claim 6 (depends on 1)

The connection arrangement according to claim 1, wherein a folded-over part of the strip-like section and the base section point in one and the same direction.

### Claim 7 (depends on 1)

The connection arrangement according to claim 1, wherein the plurality of electrical conductor tracks are fixedly connected to a carrier substrate and are covered by a covering layer, wherein the covering layer is not present at least at the contact points of the first connection region and of the second connection region.

### Claim 8 (depends on 7)

The connection arrangement according to claim 7, wherein the covering layer is removed at least at the contact points of the first connection region and of the second connection region.

### Claim 9 (depends on 1)

The connection arrangement according to claim 1, wherein the plurality of electrical conductor tracks of the flexible flat cable are strip-like electrical conductor tracks that are laminated on both sides.

### Claim 10 (depends on 1)

The connection arrangement according to claim 1, wherein the strip-like section is folded over without sharp edges, wherein the fold has a radius of curvature r of 0.1 mm to 100 mm.

### Claim 11 (depends on 1)

The connection arrangement according to claim 1, wherein the first connection region electrically contacts a first surface electrode from one side and the second connection region electrically contacts a second surface electrode from the other side.

### Claim 12 (depends on 1)

A method for producing the connection arrangement according to claim 1, comprising:
a) providing the flexible flat cable,
b) folding over the strip-like section of the flat cable such that the second connection region faces the first connection region,
c) electrically conductively connecting the first connection region to the one electrically conductive structure and the second connection region to the other electrically conductive structure.

### Claim 13 (depends on 1)

A method comprising providing the connection arrangement according to claim 1 in a vehicle, a construction, in furniture, an electrical appliance, or a decorative item for contacting the two electrically conductive structures on or in a single pane safety glass pane or a multi-pane composite glass pane.

### Claim 14 (depends on 13)

The method according to claim 13, wherein the at least two electrically conductive structures are two opposite electrodes of an electro-optical functional element.

### Claim 15 (depends on 1)

The connection arrangement according to claim 1, wherein the first connection region is galvanically connected to the one electrically conductive structure and the second connection region is galvanically connected to the other electrically conductive structure.

### Claim 16 (depends on 1)

The connection arrangement according to claim 1, wherein the strip-like section protrudes laterally from the base section at a right angle.

### Claim 17

A connection arrangement, comprising:
a composite pane composed of a first pane and a second pane, which are connected to an intermediate layer,
two electrically conductive structures, and
a flexible flat cable having a plurality of electrical conductor tracks, comprising:
a first connection region at a first end and on a first side of the flexible flat cable, wherein the first connection region has a contact point of at least one conductor track of the plurality of electrical conductor tracks,
at least one second connection region at the first end and on the first side of the flexible flat cable, wherein the second connection region has a contact point of at least one conductor track of the plurality of electrical conductor tracks,
a third connection region with contact points of the plurality of conductor tracks at a second end of the flat cable,
wherein the flexible flat cable has a base section containing the first connection region and at least one strip-like section connected to the base section and containing the second connection region, wherein the strip-like section is folded or is foldable over such that the second connection region faces the first connection region,
wherein the first connection region is electrically conductively connected to one electrically conductive structure of the two electrically conductive structures and the second connection region is electrically conductively connected to the other one electrically conductive structure of the two electrically conductive structures, wherein the flexible flat cable is routed out of the composite pane and the third connection region is arranged outside the composite pane,
wherein the two electrically conductive structures are two mutually opposed surface electrodes of an electro-optical functional element that are arranged between the first pane and the second pane,
wherein the strip-like section protrudes laterally from the base section along a direction of lateral extension, and
wherein an angle α between (i) a direction of extension of the strip-like section in front of and from the at least one fold region and (ii) a direction of extension of the strip-like section behind the at least one fold region and oriented toward said at least one fold region is from 10° to 170°, said direction of extension of the strip-like section behind said at least one fold region and oriented toward said at least one fold region corresponding to the direction of lateral extension of the strip-like section from the base section.
