# US 12,181,762 B2 · Display panel and display screen

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- Number: US 12,181,762 B2
- Document ID: US12181762B2
- Status: Granted
- Kind: B2
- Application number: 18/089,951
- Filed: 2022-12-28
- Published: 2023-10-26
- Granted: 2024-12-31
- Earliest claimed: 2022-04-21
- Assignees: Mianyang Hkc Optoelectronics Technology Co., Ltd.; Hkc Corporation Limited
- Applicants: Mianyang HKC Optoelectronics Technology Co., Ltd.; HKC Corporation Limited
- Inventors: Jingjing Hao; Rongrong Li
- Web page: https://patentgrep.com/patent/US12181762B2

## CPC

- G02F 1/13629: {Multilayer wirings}
- G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)}
- G02F 1/1345: Conductors connecting electrodes to cell terminals
- G02F 1/13458: {Terminal pads}
- G09G 3/3406: {Control of illumination source (illumination devices structurally associated with liquid crystal cells G02F1/1336)}
- H10D 86/451: {characterised by the compositions or shapes of the interlayer dielectrics}
- H10D 86/60: wherein the TFTs are in active matrices
- G02F 1/13454: {Drivers integrated on the active matrix substrate (G02F1/136277 takes precedence)}
- H10D 86/441: {Interconnections, e.g. scanning lines}
- 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)
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

A display panel and a display screen are provided in the disclosure. The display panel includes a transmission unit and a display unit electrically coupled with the transmission unit. The transmission unit is configured to transmit a driving signal to the display unit. The transmission unit includes a first wiring layer, a second wiring layer, and a dielectric layer. The dielectric layer is located between the first wiring layer and the second wiring layer. The first wiring layer is provided with first wires. The second wiring layer is provided with second wires. The first wires have first parts. Projections of the first parts on the dielectric layer overlap projections of the second wires on the dielectric layer. The first wires are electrically coupled with the display unit via the second wires. The first parts define at least one first space.

## Claims

### Claim 1

A display panel, comprising:
a transmission unit configured to transmit a driving signal and comprising:
a first wiring layer provided with M first wires, wherein the M first wires have L first parts and the L first parts define at least one first space;
a second wiring layer provided with N second wires; and
a dielectric layer located between the first wiring layer and the second wiring layer; and
a display unit electrically coupled with the transmission unit and configured to receive the driving signal from the transmission unit and display an image according to the driving signal, wherein
projections of the L first parts on the dielectric layer overlap projections of the second wires on the dielectric layer, the first wires are electrically coupled with the display unit via the second wires, and M, N, and L each are an integer greater than or equal to 1.

### Claim 2 (depends on 1)

The display panel of claim 1, wherein the at least one first space each has a hole or groove structure.

### Claim 3 (depends on 1)

The display panel of claim 1, wherein M and N each are greater than 1, and each of the M first wires has at least one first part and defines at least one first space.

### Claim 4 (depends on 1)

The display panel of claim 1, wherein the M first wires comprise K second parts, the second parts are connected with the L first parts, projections of the second parts on the dielectric layer and projections of the second wires on the dielectric layer are non-overlapping, the K second parts define J second spaces, a projection of at least one of the J second spaces on the dielectric layer overlaps one of projections of extended lines of the second wires on the dielectric layer, and K and J each are an integer greater than or equal to 1.

### Claim 5 (depends on 4)

The display panel of claim 4, wherein projections of the J second spaces on the dielectric layer overlap the projections of the extended lines of the second wires on the dielectric layer.

### Claim 6 (depends on 4)

The display panel of claim 4, wherein each of the J second spaces has a same shape as the at least one first space.

### Claim 7 (depends on 1)

The display panel of claim 1, wherein the dielectric layer has a thickness ranging from 3850 Angstroms (Å) to 4350 Å.

### Claim 8 (depends on 1)

The display panel of claim 1, wherein each of the second wires has a line width ranging from 10 microns (μm) to 13 μm and a thickness ranging from 4450 Å to 5000 Å.

### Claim 9 (depends on 1)

The display panel of claim 1, wherein the transmission unit comprises a plurality of wiring units, each of the plurality of wiring units includes the first wiring layer, the dielectric layer, and the second wiring layer, wherein
the transmission unit further comprises at least one insulating layer, the wiring units and the at least one insulating layer are alternately stacked in sequence, and the at least one insulating layer is located between two adjacent wiring units, such that the two adjacent wiring units are insulated from each other.

### Claim 10 (depends on 1)

The display panel of claim 1, wherein the M first wires comprise one or more of a Clock (CLK) signal wire, a Start Vertical (STV) signal wire, a Reset (RST) signal wire, and a Vgatelow (VGL) signal wire.

### Claim 11 (depends on 1)

The display panel of claim 1, wherein the dielectric layer defines at least one through hole, and the first wires are electrically coupled with the second wires through a conducting material disposed in the at least one through hole.

### Claim 12 (depends on 11)

The display panel of claim 11, wherein the conducting material is filled in the at least one through hole, or disposed at an inner wall of the at least one through hole.

### Claim 13 (depends on 11)

The display panel of claim 11, wherein the first wiring layer is further provided with a first insulating medium that insulates the M first wires from each other, the second wiring layer is further provided with a second insulating medium that insulates the N second wires from each other, the dielectric layer is further provided with a third insulating medium that insulates the first wiring layer from the second wiring layer, and the first insulating medium, the second insulating medium, and the third insulating medium are made of a same material.

### Claim 14

A display screen, comprising:
a display panel comprising:
a transmission unit configured to transmit a driving signal and comprising:
a first wiring layer provided with M first wires, wherein the M first wires have L first parts and the L first parts define at least one first space;
a second wiring layer provided with N second wires; and
a dielectric layer located between the first wiring layer and the second wiring layer; and
a display unit electrically coupled with the transmission unit and configured to receive the driving signal from the transmission unit and display an image according to the driving signal, wherein
projections of the L first parts on the dielectric layer overlap projections of the second wires on the dielectric layer, the first wires are electrically coupled with the display unit via the second wires, and M, N, and L each are an integer greater than or equal to 1; and
a backlight source configured to provide backlight for the display panel.

### Claim 15 (depends on 14)

The display screen of claim 14, wherein the at least one first space each has a hole or groove structure.

### Claim 16 (depends on 14)

The display screen of claim 14, wherein M and N each are greater than 1, and each of the M first wires has at least one first part and defines at least one first space.

### Claim 17 (depends on 14)

The display screen of claim 14, wherein the M first wires comprise K second parts, the second parts are connected with the first parts, projections of the second parts on the dielectric layer and projections of the second wires on the dielectric layer are non-overlapping, the K second parts define J second spaces, a projection of at least one of the J second spaces on the dielectric layer overlaps one of projections of extended lines of the second wires on the dielectric layer, and K and J each are an integer greater than or equal to 1.

### Claim 18 (depends on 17)

The display screen of claim 17, wherein projections of the J second spaces on the dielectric layer overlap the projections of the extended lines of the second wires on the dielectric layer.

### Claim 19 (depends on 17)

The display screen of claim 17, wherein each of the J second spaces has a same shape as the at least one first space.

### Claim 20 (depends on 14)

The display screen of claim 14, wherein the dielectric layer has a thickness ranging from 3850 Angstroms (Å) to 4350 Å.