# US 12,113,007 B2 · Flexible circuit film having a power wiring set and display apparatus having same

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- Number: US 12,113,007 B2
- Document ID: US12113007B2
- Status: Granted
- Kind: B2
- Application number: 18/230,069
- Filed: 2023-08-03
- Published: 2023-11-23
- Granted: 2024-10-08
- Earliest claimed: 2019-10-23
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: BoYeon Kim; Whee-Won Lee; Myeong Su Kim; Sang Hyun Lee
- Web page: https://patentgrep.com/patent/US12113007B2

## CPC

- H05K 1/189: characterised by the use of flexible or folded printed circuits
- H10W 70/65: Shapes or dispositions of interconnections
- G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels}
- G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters}
- H05K 1/0265: {characterized by the lay-out of or details of the printed conductors, e.g. reinforced conductors, redundant conductors, conductors having different cross-sections}
- H05K 1/118: {specially for flexible printed circuits, e.g. using folded portions}
- H05K 3/368: {parallel to each other (H05K3/361 takes precedence)}
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10W 70/688: {Flexible insulating substrates}
- H05K 1/144: {Stacked arrangements of planar printed circuit boards}
- H05K 3/323: {by applying an anisotropic conductive adhesive layer over an array of pads}
- H05K 3/363: {by soldering}
- H05K 2201/041: Stacked PCBs, i.e. having neither an empty space nor mounted components in between
- H05K 2201/09236: Parallel layout
- H05K 2201/09409: Multiple rows of pads, lands, terminals or dummy patterns; Multiple rows of mounted components
- H05K 2201/09736: Varying thickness of a single conductor; Conductors in the same plane having different thicknesses
- H05K 2201/0979: Redundant conductors or connections, i.e. more than one current path between two points
- H05K 2201/10045: Mounted network component having plural terminals
- H05K 2201/10128: Display
- H05K 2201/1034: Edge terminals, i.e. separate pieces of metal attached to the edge of the printed circuit board [PCB]
- H05K 2203/041: Solder preforms in the shape of solder balls
- H10W 90/724: {between a chip and a stacked insulating package substrate, interposer or RDL}
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

A flexible circuit film includes the following elements: a base film; a first power input terminal, a second power input terminal, a first power output terminal, and a second power output terminal each disposed on the base film; an integrated circuit chip disposed between the first power input terminal and the first power output terminal and overlapping the base film; first power wiring disposed on the base film, connecting the first power input terminal to the first power output terminal, and including a first connection part; and second power wiring disposed on the base film, connecting the second power input terminal to the second power output terminal, and including a second connection part. The first connection part and the second connection part are disposed between the base film and the integrated circuit chip, overlap the integrated circuit chip, and are spaced from each other.

## Claims

### Claim 1

A flexible circuit film comprising:
a base film;
an integrated circuit chip disposed on the base film; and
a first power wiring set configured to receive a first power voltage, which is transmitted to a display panel, and including a first connection part disposed between the integrated circuit chip and the base film, wherein the first connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the first power wiring set further includes a single integral first power input wire and a first power output wire set including multiple first power output wires, the first connection part electrically coupling the first power input wire to the first power output wire set.

### Claim 2 (depends on 1)

The flexible circuit film of claim 1, wherein the first power input wire is wider than each of the first power output wires.

### Claim 3 (depends on 2)

The flexible circuit film of claim 2, wherein the first power input wire electrically couples a first power input terminal to the first connection part, and wherein the first power output wire set electrically couples the first connection part to a first power output terminal set.

### Claim 4 (depends on 1)

The flexible circuit film of claim 1, further comprising:
a second power wiring set configured to receive a second power voltage, which is transmitted to the display panel and different from the first power voltage, and including a second connection part disposed between the integrated circuit chip and the base film and spaced from the first connection part, wherein the second connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the second power wiring set further includes a single integral second power input wire and a second power output wire set including multiple second power output wires, the second connection part electrically coupling the second power input wire to the second power output wire set.

### Claim 5 (depends on 4)

The flexible circuit film of claim 4, wherein the second power input wire is wider than each of the second power output wires.

### Claim 6 (depends on 5)

The flexible circuit film of claim 5, wherein the second power input wire electrically couples a second power input terminal to the second connection part, and wherein the second power output wire set electrically couples the second connection part to a second power output terminal set.

### Claim 7 (depends on 4)

The flexible circuit film of claim 4, further comprising:
a third power wiring set configured to receive the first power voltage and including a third connection part disposed between the integrated circuit chip and the base film and spaced from the first connection part and the second connection part, wherein the third connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the third power wiring set further includes a single integral third power input wire and a third power output wire set including multiple third power output wires, the third connection part electrically coupling the third power input wire to the third power output wire set.

### Claim 8 (depends on 7)

The flexible circuit film of claim 7, wherein the third power input wire is wider than each of the third power output wires.

### Claim 9 (depends on 8)

The flexible circuit film of claim 8, wherein the third power input wire electrically couples a third power input terminal to the third connection part, and wherein the third power output wire set electrically couples the third connection part to a third power output terminal set.

### Claim 10 (depends on 4)

The flexible circuit film of claim 4, further comprising:
a fourth power wiring set configured to receive the second power voltage and including a fourth connection part disposed between the integrated circuit chip and the base film and spaced from the first connection part and the second connection part, wherein the fourth connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the fourth power wiring set further includes a single integral fourth power input wire and a fourth power output wire set including multiple fourth power output wires, the fourth connection part electrically coupling the fourth power input wire to the fourth power output wire set.

### Claim 11 (depends on 10)

The flexible circuit film of claim 10, wherein the fourth power input wire is wider than each of the fourth power output wires.

### Claim 12 (depends on 11)

The flexible circuit film of claim 11, wherein the fourth power input wire electrically couples a fourth power input terminal to the fourth connection part, and wherein the fourth power output wire set electrically couples the fourth connection part to a fourth power output terminal set.

### Claim 13 (depends on 1)

The flexible circuit film of claim 1, further comprising:
data input wires;
data output wires;
data input terminals respectively electrically coupled to the data input wires; and
data output terminals respectively electrically coupled to the data output wires.

### Claim 14 (depends on 13)

The flexible circuit film of claim 13, further comprising:
first-group connectors; and
second-group connectors disposed between the first-group connectors and the data output terminals,
wherein the data input wires are electrically coupled to the first-group connectors, respectively, and wherein data output wires of at least a first subset of the data output wires are electrically coupled to the second-group connectors, respectively.

### Claim 15 (depends on 14)

The flexible circuit film of claim 14, further comprising:
third-group connectors, wherein the second-group connectors are disposed between the third-group connectors and the data output terminals, and wherein data output wires of a second subset of the data output wirings are electrically coupled to the third-group connectors, respectively.

### Claim 16

A display apparatus comprising:
a display panel having pixels and configured to display an image;
a driving circuit unit configured to provide a first power voltage and a second power voltage different from the first power voltage; and
a flexible circuit film disposed between the display panel and the driving circuit unit and configured to transmit the first power voltage and the second power voltage to the display panel,
wherein the flexible circuit film comprises:
a base film;
an integrated circuit chip disposed on the base film;
a first power wiring set configured to receive the first power voltage and including a first connection part disposed between the integrated circuit chip and the base film, wherein the first connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the first power wiring set further includes a single integral first power input wire and a first power output wire set including multiple first power output wires, the first connection part electrically coupling the first power input wire to the first power output wire set; and
a second power wiring set configured to receive the second power voltage and including a second connection part disposed between the integrated circuit chip and the base film and spaced from the first connection part, wherein the second connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the second power wiring set further includes a single integral second power input wire and a second power output wire set including multiple second power output wires, the second connection part electrically coupling the second power input wire to the second power output wire set.

### Claim 17 (depends on 16)

The display apparatus of claim 16, wherein the flexible circuit film further comprises:
a third power wiring set configured to receive the first power voltage and including a third connection part disposed between the integrated circuit chip and the base film and spaced from the first connection part and the second connection part, wherein the third connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the third power wiring set further includes a single integral third power input wire and a third power output wire set including multiple third power output wires, the third connection part electrically coupling the third power input wire to the third power output wire set.

### Claim 18 (depends on 16)

The display apparatus of claim 16, wherein the flexible circuit film further comprises:
a fourth power wiring set configured to receive the second power voltage and including a fourth connection part disposed between the integrated circuit chip and the base film and spaced from the first connection part and the second connection part, wherein the fourth connection part is electrically conductive, overlaps the integrated circuit chip, and is not electrically connected to the integrated circuit chip, wherein the fourth power wiring set further includes a single integral fourth power input wire and a fourth power output wire set including multiple fourth power output wires, the fourth connection part electrically coupling the fourth power input wire to the fourth power output wire set.

### Claim 19 (depends on 16)

The display apparatus of claim 16, wherein the flexible circuit film further comprises:
data input wires;
data output wires;
data input terminals respectively electrically coupled to the data input wires; and
data output terminals respectively electrically coupled to the data output wires.

### Claim 20 (depends on 19)

The display apparatus of claim 19, wherein the flexible circuit film further comprises:
first-group connectors;
second-group connectors disposed between the first-group connectors and the data output terminals; and
third-group connectors, the second-group connectors being disposed between the third-group connectors and the data output terminals,
wherein the data input wires are electrically coupled to the first-group connectors, respectively, wherein data output wires of at least a first subset of the data output wires are electrically coupled to the second-group connectors, respectively, and wherein data output wires of a second subset of the data output wirings are electrically coupled to the third-group connectors, respectively.