# US 2014/0152636 A1 · Oled display device

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

- Number: US 2014/0152636 A1
- Document ID: US20140152636A1
- Status: Published application
- Kind: A1
- Application number: 14/093,148
- Filed: 2013-11-29
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: Japan Display Inc.
- Applicants: Japan Display Inc.
- Inventors: Yasuyuki YAMADA
- Web page: https://patentgrep.com/patent/US20140152636A1

## CPC

- H10K 59/1315: {comprising structures specially adapted for lowering the resistance}
- G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G 2300/0861: with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
- G09G 2320/0223: Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
- G09G 2320/045: Compensation of drifts in the characteristics of light emitting or modulating elements
- H10K 59/871: {Self-supporting sealing arrangements}
- H10K: ORGANIC ELECTRIC SOLID-STATE 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)

## Abstract

An OLED display device includes a first substrate including a plurality of pixels located in a matrix and a second substrate facing the first substrate. The plurality of pixels each include a pixel circuit to which a data voltage is written and an OLED display element including a first electrode supplied with a current from the pixel circuit in accordance with the data voltage, and a second electrode supplied with a power supply voltage. The first substrate and the second substrate each include a plurality of power supply lines; the plurality of power supply lines of the first substrate and the plurality of power supply lines of the second substrate are respectively connected to each other via a conductive member; and each of the plurality of power supply lines is connected to the second electrode of the OLED display element.

## Claims

### Claim 1

An OLED display device, comprising:
a first substrate including a plurality of control signal lines and a plurality of data signal lines crossing each other, and a plurality of pixels located in a matrix at intersections of the plurality of control signal lines and the plurality of data signal lines; and
a second substrate facing the first substrate;
wherein:
the plurality of pixels each include:
a pixel circuit to which a data voltage supplied from the corresponding data signal line is written in accordance with a control signal supplied from the corresponding control signal line; and
an OLED display element including a first electrode supplied with a current from the pixel circuit in accordance with the data voltage, and a second electrode supplied with a power supply voltage; and
the first substrate and the second substrate each include a plurality of power supply lines;
the plurality of power supply lines of the first substrate and the plurality of power supply lines of the second substrate are respectively connected to each other via a conductive member; and
each of the plurality of power supply lines is connected to the second electrode of the OLED display element.

### Claim 2 (depends on 1)

An OLED display device according to claim 1, wherein the plurality of power supply lines of the second substrate are located in an area which does not overlap a display area of the first substrate where the plurality of pixels are located.

### Claim 3 (depends on 1)

An OLED display device according to claim 1, wherein the conductive member is located in an area which does not overlap a display area of the first substrate where the plurality of pixels are located, the conductive member being located as connecting the first substrate and the second substrate to each other.

### Claim 4 (depends on 1)

An OLED display device according to claim 1, wherein the conductive member is formed of a conductive resin or an anisotropic conductive film.

### Claim 5 (depends on 1)

An OLED display device according to claim 1, wherein the second electrodes of the OLED display elements form one common electrode provided in correspondence with the plurality of pixels, and the common electrode is connected to the plurality of power supply lines at a plurality of positions and thus is provided with the power supply voltage.