# US 2019/0172391 A1 · Display device and electronic apparatus

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- Number: US 2019/0172391 A1
- Document ID: US20190172391A1
- Status: Published application
- Kind: A1
- Application number: 16/271,415
- Filed: 2019-02-08
- Published: 2019-06-06
- Earliest claimed: 2007-10-23
- Assignees: Sony Corporation
- Applicants: Sony Corporation
- Inventors: Junichi Yamashita; Katsuhide Uchino
- Web page: https://patentgrep.com/patent/US20190172391A1

## CPC

- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- G09G 3/3225: using an active matrix
- H10K 59/121: characterised by the geometry or disposition of pixel elements
- H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT]
- H10K 59/1315: {comprising structures specially adapted for lowering the resistance}
- H10K 59/80522: {combined with auxiliary electrodes}
- G09G 3/3258: with pixel circuitry controlling the voltage across the light-emitting element
- G09G 2300/0426: Layout of electrodes and connections
- H10K 59/35: comprising red-green-blue [RGB] subpixels
- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- 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 display device including: a plurality of sub-pixels arranged in a matrix, each including an electro-optical element having a structure in which a display functional layer is sandwiched between an upper electrode and a lower electrode; and an auxiliary interconnect contact in a pixel area in which the plurality of sub-pixels are arranged in a matrix and electrically connecting the upper electrode to an auxiliary interconnect, wherein m (m is an integer equal to or larger than two) sub-pixels adjacent to each other along an arrangement direction of the sub-pixels are regarded as one group, and n (n is a natural number smaller than m) auxiliary interconnect contacts are formed for each group.

## Claims

### Claim 1

A display device, comprising:
a plurality of sub-pixels arranged in a matrix with rows and columns, the plurality of sub-pixels divided into a plurality of groups, each group including a plurality of m sub-pixels adjacent to each other along an arrangement direction of the sub-pixels, each sub-pixel including an electro-optical element having a structure in which a display functional layer is disposed between an upper electrode and a lower electrode, the arrangement direction in each group including two sub-pixels adjacent to each other along the row direction, an auxiliary interconnect contact provided for each group; and
a plurality of auxiliary interconnect contacts in a pixel area in which the plurality of sub-pixels are arranged in the matrix, the plurality of auxiliary interconnect contacts electrically connecting the m sub-pixels to an auxiliary interconnect, a plurality of n auxiliary interconnect contacts formed and associated with each group having the plurality of m sub-pixels.

### Claim 2 (depends on 1)

The display device as recited in claim 1, wherein the auxiliary interconnect is formed at the same layer level as a layer level of the lower electrode.

### Claim 3 (depends on 1)

The display device as recited in claim 1, wherein the sub-pixel includes a pixel contact for electrically connecting the electro-optical element to a pixel circuit, and m sub-pixels adjacent to each other along a first direction of a row direction and a column direction as arrangement directions of the sub-pixels are combined into one group, and the pixel contacts are provided for the m sub-pixels of the same group in such a way that positions of the pixel contacts with respect to the m sub-pixels are aligned with each other along the first direction.

### Claim 4 (depends on 1)

The display device as recited in claim 1, wherein the sub-pixel includes a pixel contact for electrically connecting the electro-optical element to a pixel circuit, and two sub-pixels adjacent to each other along a first direction of a row direction and a column direction as arrangement directions of the sub-pixels are combined into one group, and the pixel contacts are provided for two sub-pixels of the same group in such a manner as to face each other along the first direction.

### Claim 5 (depends on 1)

The display device as recited in claim 1, wherein m sub-pixels adjacent to each other along a first direction of a row direction and a column direction as arrangement directions of the sub-pixels are combined into one group, and a position of combining of the sub-pixels in the first direction is different between an odd-numbered column and an even-numbered column.

### Claim 6

A display device, comprising:
a plurality of sub-pixels arranged in a matrix of rows and columns, the plurality of sub-pixels divided into a plurality of groups, each group including a plurality sub-pixels adjacent to each other along an arrangement direction of the sub-pixels, each sub-pixel including an electro-optical element having a structure in which a display functional layer is disposed between an upper electrode and a lower electrode; and
a plurality of auxiliary interconnect contacts in a pixel area in which the plurality of sub-pixels are arranged in the matrix and electrically connecting the m sub-pixels to an auxiliary interconnect, a plurality of n auxiliary interconnect contacts formed and associated with each group having the plurality of m sub-pixels;
wherein,
the first plurality of m sub-pixels is an integer equal to or larger than two and the plurality of n auxiliary interconnect contacts is a natural number smaller than m.

### Claim 7 (depends on 6)

The display device as recited in claim 6, wherein the auxiliary interconnect is formed at the same layer level as a layer level of the lower electrode.

### Claim 8 (depends on 6)

The display device as recited in claim 6, wherein the sub-pixel includes a pixel contact for electrically connecting the electro-optical element to a pixel circuit, and m sub-pixels adjacent to each other along a first direction of a row direction and a column direction as arrangement directions of the sub-pixels are combined into one group, and the pixel contacts are provided for the m sub-pixels of the same group in such a way that positions of the pixel contacts with respect to the m sub-pixels are aligned with each other along the first direction.

### Claim 9 (depends on 6)

The display device as recited in claim 6, wherein the sub-pixel includes a pixel contact for electrically connecting the electro-optical element to a pixel circuit, and two sub-pixels adjacent to each other along a first direction of a row direction and a column direction as arrangement directions of the sub-pixels are combined into one group, and the pixel contacts are provided for two sub-pixels of the same group in such a manner as to face each other along the first direction.

### Claim 10 (depends on 6)

The display device as recited in claim 6, wherein m sub-pixels adjacent to each other along a first direction of a row direction and a column direction as arrangement directions of the sub-pixels are combined into one group, and a position of combining of the sub-pixels in the first direction is different between an odd-numbered column and an even-numbered column.

### Claim 11

A display device, comprising:
a plurality of sub-pixels arranged in a matrix of rows and columns, the plurality of sub-pixels divided into a plurality of groups, each group including a plurality of m sub-pixels adjacent to each other along an arrangement direction of the sub-pixels, each sub-pixel including an electro-optical element having a structure in which a display functional layer is disposed between an upper electrode and a lower electrode; and
a plurality of n auxiliary interconnect contacts formed and associated with each group having the plurality of m sub-pixels,
wherein,
the auxiliary interconnect includes silver, and
the auxiliary interconnect is arranged zigzag shape.
