# US 12,113,075 B2 · Display panel and display device

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- Number: US 12,113,075 B2
- Document ID: US12113075B2
- Status: Granted
- Kind: B2
- Application number: 17/386,354
- Filed: 2021-07-27
- Published: 2021-11-18
- Granted: 2024-10-08
- Earliest claimed: 2021-02-09
- Assignees: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
- Applicants: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
- Inventors: Yaodong Wu; Qijun Yao; Shuang Wang; Zhe Li
- Web page: https://patentgrep.com/patent/US12113075B2

## CPC

- G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing}
- H10D 86/60: wherein the TFTs are in active matrices
- G06F 1/189: {Power distribution}
- G06F 3/044: by capacitive means
- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- H10D 86/441: {Interconnections, e.g. scanning lines}
- H10K 59/40: OLEDs integrated with touch screens
- G06F 1/1698: {the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone (details of antennas disposed inside a computer H01Q1/2266)}
- G06F 3/0412: {Digitisers structurally integrated in a display}
- G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads}
- G06F 2203/04112: Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2354/00: Aspects of interface with display user
- H10K 59/352: {the areas of the RGB subpixels being different}
- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- 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

Provided are a display panel and a display device. The display panel includes a metal layer and a display function layer, and the metal layer is located between the display function layer and a display surface of the display panel; the metal layer includes multiple metal conductive structures, and the multiple metal conductive structures are arranged with a period, and are arranged in a first direction with a first period; the display function layer includes multiple pixel units, and the multiple pixel units are arranged with a period, and are arranged in a second direction with a second period; the first period and the second period are in a relationship of an integral multiple.

## Claims

### Claim 1

A display panel, comprising:
a metal layer, wherein the metal layer comprises a plurality of metal conductive structures, and the plurality of metal conductive structures are arranged with a period, and are arranged in a first direction with a first period; and
a display function layer, wherein the display function layer comprises a plurality of pixel units, and the plurality of pixel units are arranged with a period, and are arranged in a second direction with a second period,
wherein the metal layer is located between the display function layer and a display surface of the display panel, and the first period and the second period are in a relationship of an integral multiple,
wherein one of the plurality of pixel units comprises a first color sub-pixel, and a position {right arrow over (a)}k of the first color sub-pixel is expressed as follows:
{right arrow over (a)}k=m·{right arrow over (a)}i+n·{right arrow over (a)}j,
wherein m and n are both integers, a direction of a, intersects a direction of {right arrow over (a)}j, {right arrow over (a)}i is a position of a first color sub-pixel of another one of the plurality of pixel units, and {right arrow over (a)}j is a position of a first color sub-pixel of still another one of the plurality of pixel units, {right arrow over (a)}k, {right arrow over (a)}i, and {right arrow over (a)}j have a same vector starting point, and the vector starting point is a first color sub-pixel of one pixel unit of the plurality of pixel units, the one pixel unit being different from the one of the plurality of pixel units, the another one of the plurality of pixel units and the still another one of the plurality of pixel units.

### Claim 2 (depends on 1)

The display panel of claim 1, wherein each of the plurality of metal conductive structures is a metal wire.

### Claim 3 (depends on 1)

The display panel of claim 1, wherein the metal layer comprises a metal grid, the metal grid comprises a plurality of meshes, and each of the plurality of metal conductive structures is one of the plurality of meshes.

### Claim 4 (depends on 1)

The display panel of claim 1, wherein the plurality of metal conductive structures comprise first minimum repeating units, and each of the first minimum repeating units forms one period; and
the first period comprises one or more of the first minimum repeating units.

### Claim 5 (depends on 1)

The display panel of claim 1, wherein each of the plurality of pixel units comprises a plurality of sub-pixels;
the sub-pixels of the display function layer include second minimum repeating units, and each of the second minimum repeating units forms one period; and
the second period comprises one or more of the second minimum repeating units.

### Claim 6 (depends on 1)

The display panel of claim 1, wherein the plurality of metal conductive structures comprise first repeating units, and the first repeating units are arranged periodically;
the plurality of pixel units comprise second repeating units, and the second repeating units are arranged with a period; and
a contour of each of the first repeating units is the same as a contour of each of the second repeating units.

### Claim 7 (depends on 6)

The display panel of claim 6, wherein each of the first repeating units comprises an array of m×n metal conductive structures; and
each of the plurality of pixel units comprises a plurality of sub-pixels, and each of the second repeating units comprises n columns of sub-pixels in a row direction and m rows of sub-pixels in a column direction.

### Claim 8 (depends on 1)

The display panel of claim 1, wherein the first direction is the same as the second direction.

### Claim 9 (depends on 1)

The display panel of claim 1, wherein each of the plurality of pixel units comprises a plurality of sub-pixels, and the plurality of metal conductive structures are metal wires or meshes; and
a connection line of two of the plurality of sub-pixels of the same color is parallel to an extension direction of a respective one of the metal wires, or a connection line of two of the plurality of sub-pixels of the same color is parallel to a connection line of two of the meshes.

### Claim 10 (depends on 8)

The display panel of claim 8, wherein an arrangement direction of the period of the plurality of metal conductive structures is different from an arrangement direction of the period of the plurality of pixel units, wherein the first period is arranged to be a component of the period of the plurality of metal conductive structures in the first direction.

### Claim 11 (depends on 1)

The display panel of claim 1, wherein a period dimension of the period of the plurality of metal conductive structures is less than or equal to 400 μm.

### Claim 12 (depends on 1)

The display panel of claim 1, wherein each of the plurality of pixel units comprises a plurality of sub-pixels; and
in a direction perpendicular to the metal layer, an orthographic projection of an opening area of a sub-pixel of the plurality of sub-pixels overlaps a metal conductive structure of the plurality of metal conductive structures, and opening areas of two of the plurality of sub-pixels of the same color have a same overlapping area with a metal conductive structure of the plurality of metal conductive structures.

### Claim 13 (depends on 1)

The display panel of claim 1, wherein each of the plurality of metal conductive structures is a metal wire, and an extension direction of the metal wire is parallel to {right arrow over (a)}k.

### Claim 14 (depends on 1)

The display panel of claim 1, wherein each of the plurality of metal conductive structures is a mesh defined by intersection of a first metal wire and a second metal wire, and the first metal wire is parallel to {right arrow over (a)}k, wherein an extension direction of the second metal wire is parallel to a position {right arrow over (a)}z of one first color sub-pixel, and {right arrow over (a)}z=−p·{right arrow over (a)}i+q·{right arrow over (a)}j, wherein p and q are both integers.

### Claim 15 (depends on 14)

The display panel of claim 14, wherein p=m and q=n.

### Claim 16 (depends on 1)

The display panel of claim 1, wherein each of the plurality of metal conductive structures is a metal wire or a mesh defined by intersection of metal wires, the metal wire is formed by connecting several metal line segments, and an angle between a linear fitted extension direction of the metal wire and an extension direction of each of the several metal line segments in the metal wire is less than or equal to 10°, wherein each of the plurality of pixel units comprises a plurality of sub-pixels; and
an orthographic projection of each of the several metal line segments on the display function layer is located between two adjacent ones of the plurality of sub-pixels.

### Claim 17 (depends on 16)

The display panel of claim 16, wherein each of the plurality of sub-pixels further comprises an opening area and a non-opening area; and
the orthographic projection of each of the several metal line segments on the display function layer is located in a non-opening area between the two adjacent ones of the plurality of sub-pixels, each of opening areas of two adjacent ones of the plurality of sub-pixels is provided with one first side, the first sides of the opening areas of the two adjacent ones of the plurality of sub-pixels are oppositely disposed, and each of the first sides is parallel to a respective one of the several metal line segments that is adjacent to the each of the first sides.

### Claim 18 (depends on 1)

The display panel of claim 1, wherein the metal layer is a touch electrode layer; or the metal layer is an antenna layer.

### Claim 19 (depends on 1)

A display device comprising the display panel of claim 1.