# US 12,183,274 B2 · Display substrate and display device

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- Number: US 12,183,274 B2
- Document ID: US12183274B2
- Status: Granted
- Kind: B2
- Application number: 18/477,479
- Filed: 2023-09-28
- Published: 2024-01-25
- Granted: 2024-12-31
- Earliest claimed: 2020-09-30
- Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd.
- Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd.
- Inventors: Yudiao Cheng; Benlian Wang; Meng Li; Weiyun Huang; Yao Huang
- Web page: https://patentgrep.com/patent/US12183274B2

## CPC

- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- G09G 3/3225: using an active matrix
- G09G 3/3275: Details of drivers for data electrodes
- H10K 59/121: characterised by the geometry or disposition of pixel elements
- H10K 59/1213: {the pixel elements being TFTs}
- H10K 59/1216: {the pixel elements being capacitors}
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/351: {comprising more than three subpixels, e.g. red-green-blue-white [RGBW]}
- H10K 71/621: {Providing a shape to conductive layers, e.g. patterning or selective deposition}
- G09G 2300/0413: Details of dummy pixels or dummy lines in flat panels
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing
- G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G 2310/0272: Details of drivers for data electrodes, the drivers communicating data to the pixels by means of a current
- G09G 2310/08: Details of timing specific for flat panels, other than clock recovery
- G09G 2340/0407: Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G 2354/00: Aspects of interface with display user
- H10K 59/1201: {Manufacture or treatment}
- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- H10K 59/65: OLEDs integrated with inorganic image sensors
- H10K 59/88: Dummy elements, i.e. elements having non-functional features
- 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

The present disclosure provides display substrate and display device, and belongs to the field of display technology. The display substrate of the disclosure has mounting region, first display region adjacent to mounting region, and second display region surrounding first display region and/or mounting region. The display substrate comprises: substrate; driving circuit layer on substrate and comprising pixel driving circuits in first display region and second display region, and arrangement density of pixel driving circuits in second display region is less than that of pixel driving circuits in second display region; and light emitting devices in mounting region, first display region, and second display region, first electrode of each light emitting device being electrically coupled to a corresponding pixel driving circuit, and pixel driving circuit electrically coupled to first electrode of light emitting device in the mounting region being located in first display region.

## Claims

### Claim 1

A display substrate having a mounting region, a first display region adjacent to the mounting region, and a second display region surrounding the first display region and/or the mounting region, the display substrate comprising:
a substrate;
a driving circuit layer on the substrate and comprising a plurality of pixel driving circuits, the plurality of pixel driving circuits being in the first display region and the second display region, and an arrangement density of the pixel driving circuits in the second display region being less than an arrangement density of the pixel driving circuits in the first display region;
a plurality of light emitting devices in the mounting region, the first display region, and the second display region, a first electrode of one of the plurality of light emitting device being electrically coupled to a corresponding one of the plurality of pixel driving circuits, and the pixel driving circuit electrically coupled to the first electrode of the light emitting device in the mounting region being located in the first display region; and
a plurality of data lines, one of the plurality of pixel driving circuits being electrically coupled to one of the plurality of data lines, wherein
the plurality of data lines comprise a first data line;
the first data line comprises a first sub data line segment coupled to the pixel driving circuits for driving at least part of the light emitting devices in the mounting region, a second sub data line segment coupled to the pixel driving circuits for driving at least part of the light-emitting devices in the second display region, and a third sub data line segment coupled to the pixel driving circuits for driving at least part of the light-emitting devices in the first display region;
the second sub data line segment is coupled to the third sub data line segment;
the first sub data line segment is coupled to the second sub data line segment through a first transfer electrode;
the first transfer electrode extends along a first direction;
the first sub data line segment and the second sub data line segment extend approximately along a second direction; and
the first direction intersects with the second direction.

### Claim 2 (depends on 1)

The display substrate of claim 1, wherein
the second sub data line segment comprises a first part and a second part on two opposite sides of the mounting region,
the first sub data line segment comprises a third part, a fourth part and a fifth part coupled to one another,
the third sub data line segment comprises a sixth part and a seventh part on the two opposite sides of the mounting region,
the first part is coupled to the third part through the first transfer electrode, and
the first transfer electrode is between the first part and the third part.

### Claim 3 (depends on 2)

The display substrate of claim 2, wherein
the second part is coupled to the fifth part through a second transfer electrode, the second transfer electrode extends along the first direction, and the second transfer electrode is between the second part and the fifth part.

### Claim 4 (depends on 3)

The display substrate of claim 3, wherein
the first part, the second part, the first transfer electrode, the second transfer electrode, the third part, and the fifth part are in the second display region, and
the fourth part, the sixth part, and the seventh part are in the first display region.

### Claim 5 (depends on 4)

The display substrate of claim 4, wherein
the first part and the third part are parallel along the second direction;
the second part and the fifth part are parallel along the second direction;
the first part and the second part are in a same straight line,
the third part and the fifth part are in a same straight line, and
the sixth part and the seventh part are in a same straight line.

### Claim 6 (depends on 5)

The display substrate of claim 5, wherein
the third sub data line segment and the first sub data line segment are parallel along the second direction.

### Claim 7 (depends on 3)

The display substrate of claim 3, wherein
the sixth part is coupled to the seventh part sequentially through the first part, the first transfer electrode, the third part, the fourth part, the fifth part, the second transfer electrode, and the second part.

### Claim 8 (depends on 3)

The display substrate of claim 3, wherein the first transfer electrode and the second transfer electrodes are in a first conductive layer, the first sub data line segment, the second sub data line segment, and the third sub data line segments are in a second conductive layer, and the second conductive layer is in a different layer from the first conductive layer.

### Claim 9 (depends on 3)

The display substrate of claim 3, wherein
the first part and the third part are opposite to each other,
the third sub data line segment and the fourth part are opposite to each other,
the second part and the fifth part are opposite to each other, and
the first transfer electrode and the second transfer electrode are opposite to each other.

### Claim 10 (depends on 3)

The display substrate of claim 3, wherein
a length of the first transfer electrode and a length of the second transfer electrode in the first direction are the same.

### Claim 11 (depends on 4)

The display substrate of claim 4, wherein
a line width of the fourth part of the first data line in the first direction is smaller than a line width of other parts of the first data line except the fourth part in the first direction.

### Claim 12 (depends on 1)

The display substrate of claim 1, wherein
the plurality of data lines further comprise a second data line;
the second data line comprises a fourth sub data line segment coupled to the pixel driving circuits for driving at least part of the plurality of light emitting devices in the first display region, a fifth sub data line segment coupled to the pixel driving circuits for driving at least part of the plurality of light-emitting devices in the second display region, and a sixth sub data line segment coupled to the pixel driving circuits for driving at least part of the plurality of light-emitting devices in the mounting region; and
the fourth sub data line segment, the fifth sub data line segment, and the sixth sub data line segment are coupled to one another.

### Claim 13 (depends on 12)

The display substrate of claim 12, wherein
the fifth sub data line segment comprises an eighth part and a ninth part, the eighth part and the ninth part being in the second display region and spaced apart from each other by the first display region.

### Claim 14 (depends on 13)

The display substrate of claim 13, wherein
the eighth part and the ninth part are in a same straight line, and
the fourth sub data line segment is not in the same straight line as the eighth part and the ninth part.

### Claim 15 (depends on 14)

The display substrate of claim 14, wherein
at least part of the fourth sub data line segment and the sixth sub data line segments is in the first display region.

### Claim 16 (depends on 12)

The display substrate of claim 12, wherein
the sixth sub data line segment and the fourth sub data line segments are opposite and parallel to each other.

### Claim 17 (depends on 12)

The display substrate of claim 12, wherein
the fourth sub data line segment, the fifth sub data line segment, and the sixth sub data line segments extend in the second direction.

### Claim 18 (depends on 12)

The display substrate of claim 12, wherein
a line width of the sixth sub data line segment of the second data line in the first direction is smaller than a line width of other parts of the second data line except the sixth sub data line segment in the first direction.

### Claim 19 (depends on 1)

A display device, comprising the display substrate of claim 1.

### Claim 20 (depends on 19)

The display device of claim 19, further comprising: a photosensitive sensor, wherein an orthographic projection of the photosensitive sensor on the substrate is in the mounting region.