# US 2022/0044624 A1 · Driving substrate and display panel

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

- Number: US 2022/0044624 A1
- Document ID: US20220044624A1
- Status: Published application
- Kind: A1
- Application number: 17/507,514
- Filed: 2021-10-21
- Published: 2022-02-10
- Earliest claimed: 2021-08-30
- Assignees: Shanghai Tianma Micro-Electronics Co., Ltd.
- Applicants: Shanghai Tianma Micro-Electronics Co., Ltd.
- Inventors: Xiao CHI; Jujian FU; Ping AN
- Web page: https://patentgrep.com/patent/US20220044624A1

## CPC

- G09G 3/32: semiconductive, e.g. using light-emitting diodes [LED]
- H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls
- H10W 90/00: Package configurations
- H10H 20/01: Manufacture or treatment
- 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)
- H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10

## Abstract

A driving substrate and a display panel are provided. The driving substrate includes driving modules. Each of the driving modules includes two electrodes. Each of at least one of the two electrodes includes convex parts, and each of the convex parts protrudes from one of the two electrodes where the convex parts are located towards the other one of the two electrodes.

## Claims

### Claim 1

A driving substrate, comprising:
driving modules, wherein each of the driving modules comprises two electrodes, wherein each of at least one of the two electrodes comprises convex parts, and each of the convex parts protrudes from one of the two electrodes where the convex parts are located towards the other one of the two electrodes.

### Claim 2 (depends on 1)

The driving substrate according to claim 1, wherein each of the two electrodes comprises a body and the convex parts, and one of the convex parts of one of the two electrodes and one of the convex parts of the other one of the two electrodes form one of convex part groups; and
wherein each of at least one of the convex part groups comprises one of first convex parts that belongs to one of the two electrodes and m second convex parts of second convex parts that belong to the other one of the two electrodes, and the one of the first convex parts is opposite to the m second convex parts, where m is an integer not smaller than 1; and a length L1 of an end of the one of the first convex parts close to the m second convex parts is greater than a length L2 of an end of one of the m second convex parts close to the one of the first convex parts.

### Claim 3 (depends on 2)

The driving substrate according to claim 2, wherein the two electrodes are a first electrode and a second electrode, respectively; and the first electrode comprises the first convex parts, and the second electrode comprises the second convex parts; and
wherein a minimum distance between two adjacent first convex parts of the first convex parts of the first electrode is a first distance, a minimum distance between two adjacent second convex parts of the second convex parts of the second electrode is a second distance, and the second distance is greater than the first distance.

### Claim 4 (depends on 2)

The driving substrate according to claim 2, wherein in one of the convex part groups, the convex part group has a first symmetry axis, the first convex part is symmetric about the first symmetry axis, and one of the m second convex parts is symmetric about the first symmetry axis.

### Claim 5 (depends on 2)

The driving substrate according to claim 2, wherein the two electrodes are a first electrode and a second electrode, respectively;
wherein the convex part groups of the driving module comprise first convex part groups and second convex part groups;
wherein the one of the first convex parts in one of the first convex part groups and the m second convex parts in one of the second convex part groups belong to the first electrode;
wherein the m second convex parts in the one of the first convex part groups and the one of the first convex parts in the one of the second convex part groups belong to the second electrode; and;
wherein the first convex part groups and the second convex part groups of the driving module are alternately arranged.

### Claim 6 (depends on 2)

The driving substrate according to claim 2, wherein the driving modules comprise a first driving module and a second driving module,
wherein a length of one of the first convex parts of the first driving module in a direction where the one of the first convex parts of the first driving module protrudes is a first length, and a length of the one of the first convex parts of the second driving module in a direction where the one of the first convex parts of the second driving module protrudes is a second length different from the first length; and/or
wherein a length of one of the second convex parts of the first driving module in a direction where the one of the second convex parts of the first driving module protrudes is a third length, and a length of one of the second convex parts of the second driving module in a direction where the one of the second convex parts of the second driving module protrudes is a fourth length different from the third length.

### Claim 7 (depends on 2)

The driving substrate according to claim 2, wherein the driving modules comprise a first driving module and a second driving module,
wherein a length of an end of one of the first convex parts of the first driving module close to the second convex parts of the first driving module is a fifth length, and a length of an end of one of the first convex parts of the second driving module close to the second convex parts of the second driving module is a sixth length different from the fifth length; and/or
wherein a length of an end of one of the second convex parts of the first driving module close to the first convex parts of the first driving module is a seventh length, and a length of an end of one of the second convex parts of the second driving module close to the first convex parts of the second driving module is an eighth length different from the seventh length.

### Claim 8 (depends on 2)

The driving substrate according to claim 2, wherein the two electrodes are a first electrode and a second electrode, respectively; and the first electrode surrounds the second electrode.

### Claim 9 (depends on 8)

The driving substrate according to claim 8, wherein the first electrode surrounds the second electrode to form a closed pattern; or
wherein the first electrode comprises at least two first sub-electrodes spaced apart from one another and arranged in a direction surrounding the second electrode, and one of the at least two first sub-electrodes comprises at least one of the convex parts.

### Claim 10 (depends on 2)

The driving substrate according to claim 2, wherein the driving modules comprise a first driving module and a second driving module, and a density of the convex part groups of the first driving module is greater than a density of the convex part groups of the second driving module.

### Claim 11 (depends on 10)

The driving substrate according to claim 10, wherein the driving modules further comprise a third driving module, and a density of the convex part groups of the second driving module is greater than a density of the convex part groups of the third driving module.

### Claim 12 (depends on 1)

The driving substrate according to claim 1, wherein only one electrode of the two electrodes comprises the convex parts, a length of an end of one of the convex parts away from an end of the only one electrode is a ninth length, and a minimum distance between two adjacent convex parts of the convex parts is greater than the ninth length.

### Claim 13

A display panel, comprising:
a driving substrate; and
light-emitting diodes (LEDs) located at a side of the driving substrate,
wherein the driving substrate comprises driving modules, wherein each of the driving modules comprises two electrodes, wherein each of at least one of the two electrodes comprises convex parts, and each of the convex parts protrudes from one of the two electrodes where the convex parts are located towards the other one of the two electrodes; and
wherein one of the driving modules corresponds to at least one of the LEDs.

### Claim 14 (depends on 13)

The display panel according to claim 13, wherein each of the two electrodes comprises a body and the convex parts, and one of the convex parts of one of the two electrodes and one of the convex parts of the other one of the two electrodes form one of convex part groups; and each of at least one of the convex part groups comprises one of first convex parts that belongs to one of the two electrodes and m second convex parts of second convex parts that belong to the other one of the two electrodes, the one of the first convex parts is opposite to the m second convex parts, where m is an integer not smaller than 1, and a length L1 of an end of the one of the first convex parts close to the m second convex parts is greater than a length L2 of an end of one of the m second convex parts close to the one of the first convex parts; and
wherein one of the LEDs comprises a first end partially overlapping with one of the first convex parts in a direction perpendicular to a plane of one of the two electrodes, and a second end partially overlapping with one of the second convex parts in the direction perpendicular to the plane of the one of the two electrodes.

### Claim 15 (depends on 14)

The display panel according to claim 14, wherein a direction from the first end of the one of the LEDs to the second end of the one of the LEDs is a first direction, and the one of the LEDs has a width L3 in a direction perpendicular to the first direction, where L1≥L3≥L2.

### Claim 16 (depends on 14)

The display panel according to claim 14, wherein a direction from the first end of the one of the LEDs to the second end of the one of the LEDs is a first direction, and the one of the LEDs has a width L4 in the first direction; and
wherein, for the one of the driving modules and the at least one of the LEDs corresponding to the one of the driving modules, an edge of a part of one of the two electrodes that is located between two adjacent second convex parts of the second convex parts of the one of the two electrodes is a concave edge; and a distance L5 between an end of one of the first convex parts close to one of the second convex parts and the concave edge is greater than L4.

### Claim 17 (depends on 14)

The display panel according to claim 14, wherein the two electrodes are a first electrode and a second electrode, respectively; and the first electrode comprises the first convex parts, and the second electrode comprises the second convex parts;
wherein a minimum distance between two adjacent first convex parts of the first convex parts of the first electrode is a first distance, and a minimum distance between two adjacent second convex parts of the second convex parts of the second electrode is a second distance; and
wherein the at least one of the LEDs comprises at least two LEDs; and for the one of the driving modules and the at least two LEDs corresponding to the one of the driving modules, a distance between two adjacent LEDs of the at least two LEDs is a third distance, where the second distance≥the third distance≥the first distance, and the second distance is not equal to the first distance.

### Claim 18 (depends on 14)

The display panel according to claim 14, wherein each of at least one of the LEDs comprises a p-electrode and an n-electrode that are located at a side of the LED close to the driving substrate; and
wherein one of the p-electrode and the n-electrode is in contact with one of the first convex parts, and the other one of the p-electrode and the n-electrode is in contact with one of the second convex parts.

### Claim 19 (depends on 14)

The display panel according to claim 14, further comprising:
contact electrodes located at a side of the LEDs facing away from the driving substrate,
wherein each of at least one of the LEDs comprises a p-electrode and an n-electrode that are located at a side of the LED facing away from the driving substrate, and the contact electrodes comprise a first contact electrode in contact with the p-electrode and a second contact electrode in contact with the n-electrode.

### Claim 20 (depends on 13)

The display panel according to claim 13, wherein only one of the two electrodes comprises the convex parts; and one of the LEDs comprises a first end partially overlapping with one of the convex parts in one of the two electrodes in a direction perpendicular to a plane of one of the two electrodes, and a second end partially overlapping with the other one of the two electrodes in the direction perpendicular to the plane of the one of the two electrodes.