# US 11,908,406 B2 · Organic light emitting diode display device and method of driving the same

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- Number: US 11,908,406 B2
- Document ID: US11908406B2
- Status: Granted
- Kind: B2
- Application number: 17/971,420
- Filed: 2022-10-21
- Published: 2023-06-29
- Granted: 2024-02-20
- Earliest claimed: 2021-12-23
- Assignees: LG Display Co., Ltd.
- Applicants: LG Display Co., Ltd.
- Inventors: Boo-Heung Lee; Yong-Min Jeong; So-Yi Lee
- Web page: https://patentgrep.com/patent/US11908406B2

## CPC

- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT]
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/35: comprising red-green-blue [RGB] subpixels
- G09G 2300/0426: Layout of electrodes and connections
- 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 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 2320/0209: Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
- 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

An organic light emitting diode display device includes: a plurality of pixels arranged in a matrix of a plurality of rows and a plurality of columns; a plurality of gate1 lines contacting and supplying a gate1 voltage to the plurality of pixels; a plurality of gate2 lines contacting and supplying a gate2 voltage to the plurality of pixels of a portion of the plurality of columns; a plurality of gate3 lines contacting and supplying a gate3 voltage to the plurality of pixels of another portion of the plurality of columns; and a plurality of left data lines and a plurality of right data lines at both sides, respectively, of the plurality of pixels of the plurality of columns.

## Claims

### Claim 1

An organic light emitting diode display device, comprising:
a plurality of pixels arranged in a matrix of a plurality of rows and a plurality of columns, each row from the plurality of rows of pixels comprising:
a gate1 line supplying a gate1 voltage to each of the plurality of pixels in the row of pixels;
a gate2 line supplying a gate2 voltage to a first subset of the plurality of pixels in the row of pixels without supplying the gate2 voltage to a remaining second subset of the plurality of pixels in the row of pixels;
a gate3 line supplying a gate3 voltage to the remaining second subset of the plurality of pixels in the row of pixels without supplying the gate3 voltage to the first subset of the plurality of pixels in the row of pixels; and
a plurality of left data lines and a plurality of right data lines at both sides, respectively, of the plurality of pixels of a plurality of columns of pixels.

### Claim 2 (depends on 1)

The display device of claim 1, wherein the gate2 line contacts the plurality of pixels of odd columns of the plurality of columns of pixels, and
wherein the gate3 line contacts the plurality of pixels of even columns of the plurality of columns of pixels.

### Claim 3 (depends on 2)

The display device of claim 2, wherein the odd columns include first-first and first-third pixels, and the even columns include first-second and first-fourth pixels,
wherein each of the first-first, first-second, first-third and first-fourth pixels includes red, green and blue subpixels and a common block,
wherein each of the red, green and blue subpixels includes first to sixth transistors, and
wherein the common block includes seventh to ninth transistors connected to the red, green and blue subpixels.

### Claim 4 (depends on 1)

The display device of claim 1, wherein the gate2 line contacts the plurality of pixels of odd column pairs of the plurality of columns of pixels, and
wherein the gate3 lines contacts the plurality of pixels of even column pairs of the plurality of columns of pixels.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the odd column pairs include first-first and first-second pixels, and the even column pairs include first-third and first-fourth pixels,
wherein each of the first-first, first-second, first-third and first-fourth pixels includes red, green and blue subpixels,
wherein a common block is disposed between the first-first and first-second pixels and between the first-third and first-fourth pixels,
wherein each of the red, green and blue subpixels includes first to sixth transistors, and
wherein the common block includes seventh to ninth transistors connected to the red, green and blue subpixels.

### Claim 6 (depends on 1)

The display device of claim 1, wherein the plurality of left data lines contact the plurality of pixels of an odd row of the plurality of rows of pixels, and
wherein the plurality of right data lines contacts the plurality of pixels of an even row of the plurality of rows of pixels.

### Claim 7 (depends on 6)

The display device of claim 6, further comprising a mux unit connected to the plurality of left data lines and the plurality of right data lines,
wherein the mux unit includes a first mux transistor connected to the plurality of left data lines and a second mux transistor connected to the plurality of right data lines.

### Claim 8 (depends on 1)

The display device of claim 1, wherein each of the plurality of pixels includes a driving transistor, a first transistor connected to the driving transistor and a storage capacitor connected to the driving transistor and the first transistor,
wherein the gate2 line is connected to the first transistor of the first subset, and
wherein the gate3 line is connected to the first transistor of the remaining second subset.

### Claim 9 (depends on 1)

The display device of claim 1, wherein each of the gate2 voltage and the gate3 voltage has a peak section, and the peak sections of the gate2 voltage and the gate3 voltage are separated from each other without overlapping.

### Claim 10

A method of driving an organic light emitting diode display device, the method comprising:
initializing each of a plurality of pixels of a plurality of rows of pixels according to a gate1 voltage;
sampling, for each of the plurality of rows of pixels, a first subset of the plurality of pixels in the row of pixels according to a gate2 voltage without sampling a remaining second subset of the plurality of pixels in the row of pixels according to the gate2 voltage;
sampling, for each of the plurality of rows of pixels, the remaining second subset of the plurality of pixels in the row of pixels according to a gate3 voltage without sampling the first subset of the plurality of pixels in the row of pixels according to the gate3 voltage; and
emitting light from the plurality of pixels according to an emission voltage.

### Claim 11 (depends on 10)

The method of claim 10, wherein the gate2 voltage is supplied to the plurality of pixels of odd columns of a plurality of columns of pixels, and
wherein the gate3 voltage is supplied to the plurality of pixels of even columns of the plurality of columns of pixels.

### Claim 12 (depends on 10)

The method of claim 10, wherein the gate2 voltage is supplied to the plurality of pixels of odd column pairs of a plurality of columns of pixels, and
wherein the gate3 voltage is supplied to the plurality of pixels of even column pairs of the plurality of columns of pixels.
