# US 10,311,817 B2 · Display device and display method

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

- Number: US 10,311,817 B2
- Document ID: US10311817B2
- Status: Granted
- Kind: B2
- Application number: 15/740,006
- Filed: 2017-08-09
- Published: 2018-12-27
- Granted: 2019-06-04
- Earliest claimed: 2017-06-09
- Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Inventors: Shuai Chen
- Web page: https://patentgrep.com/patent/US10311817B2

## CPC

- G09G 3/3674: {Details of drivers for scan electrodes}
- G09G 3/3614: {Control of polarity reversal in general}
- G09G 3/3685: {Details of drivers for data electrodes}
- H10D 86/40: characterised by multiple TFTs
- H10D 86/60: wherein the TFTs are in active matrices
- G09G 3/3208: organic, e.g. using organic light-emitting diodes [OLED]
- G09G 3/3648: {using an active matrix (G09G3/367 - G09G3/3696 take precedence)}
- G09G 2300/0823: used to establish symmetry in driving, e.g. with polarity inversion
- G09G 2310/0264: Details of driving circuits
- G09G 2320/0204: Compensation of DC component across the pixels in flat panels
- G09G 2330/021: Power management, e.g. power saving
- 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)
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

A display device and a display method using the display device are provided. The display device includes a display panel and a driving circuit. The display panel includes a first number of pixel rows, a second number of scanning lines, and the first number of data lines. The driving circuit includes a scanning driver and a data driver. The data driver utilizes partial pixel rows reversed way during a predetermined timing circle to drive the display panel via data driving signals for displaying images frame by frame. The present disclosure may decrease power consumption of the display device.

## Claims

### Claim 1

A display device, wherein the display device comprises: a display panel, wherein the display panel comprises: a first number of pixel rows, wherein each one of the pixel rows comprises a second number of pixel units, and the first number is an odd number; a second number of scanning lines, wherein each one of the scanning lines is connected with a corresponding pixel unit of the first number of pixel rows; a first number of data lines, wherein the data lines are connected with the pixel units of each of the pixel rows; a driving circuit, wherein the driving circuit comprises: a scanning driver, wherein the scanning driver is connected with the second number of scanning lines, and the scanning driver generates scanning driving signals which are sent to the pixel units via the scanning lines; a data driver, wherein the data driver is connected with the first number of data lines, the data driver generates data driving signals which are sent to the pixel rows via the data lines, wherein during a predetermined timing circle, the data driver is configured to utilize a partial pixel rows reversed way for driving the display panel via the data driving signals, such that images are displayed frame by frame; wherein a portion of the pixel rows have a same polarity in adjacent frames of images on timeline; wherein the partial pixel rows reversed way means that a portion of the pixel rows have polarity reversed in adjacent frames on timeline, and a rest of the pixel rows on the same adjacent frames on timeline keep the polarity unchanged, wherein a number of frames of the image corresponding to the predetermined timing circle is defined as a third number; wherein the data driver is configured to equalize a total number of pixel rows having positive polarity to a total number of pixel rows having negative polarity using the data driving signals in the third number of the frames of the images.

### Claim 2 (depends on 1)

The display device according to claim 1, wherein in any one frame of the images during the predetermined timing circle, a number of pixel rows having positive polarity is defined as a fourth number, and a number of pixel rows having negative polarity is defined as a fifth number; the fourth number is greater or equal to zero, and the fourth number is less than or equal to a sixth number plus one; the fifth number is greater or equal to the sixth number, and the fifth number is less than or equal to the first number; the first number is equal to the fourth number plus the fifth number; the third number is equal to the first number multiplied by 2 and plus 4; the sixth number is equal to the first number minus 1 then divided by 2; and the fourth number and the fifth number are defined as integers.

### Claim 3 (depends on 2)

The display device according to claim 2, wherein during the predetermined timing circle, the data scanning driver generates a seventh number of normal frames of images, an auxiliary frame of image, and two compensation frames of images; wherein the seventh number is equal to the third number minus 3; wherein in the normal frames of images, the fourth number is equal to the sixth number plus 1, and the fifth number is equal to the sixth number; wherein in the auxiliary frame of image, the fourth number is equal to the sixth number, and the fifth number is equal to the sixth number plus 1; and wherein in the compensation frames of images, the fourth number is equal to zero, and the fifth number is equal to the first number.

### Claim 4

A display device, wherein the display device comprises: a display panel, wherein the display panel comprises: a first number of pixel rows, wherein each one of the pixel rows comprises a second number of pixel units, and the first number is an odd number; a second number of scanning lines, wherein each scanning line is connected with a corresponding pixel unit of the first number of pixel rows; a first number of data lines, wherein the data lines are connected with the pixel units of each of the pixel rows; a driving circuit, wherein the driving circuit comprises: a scanning driver, wherein the scanning driver is connected with the second number of scanning lines, and the scanning driver generates scanning driving signals which are continually sent to the pixel units via the scanning lines; a data driver, wherein the data driver is connected with the first number of data lines, the data driver generates data driving signals which are sent to the pixel rows via the data lines, wherein during a predetermined timing circle, the data driver is configured to utilize a partial pixel rows reversed way for driving the display panel via the data driving signals, such that images are displayed frame by frame, wherein a number of frames of the image corresponding to the predetermined timing circle is defined as a third number; wherein the data driver is configured to equalize a total number of pixel rows having positive polarity to a total number of pixel rows having negative polarity using the data driving signals in the third number of the frames of the images.

### Claim 5 (depends on 4)

The display device according to claim 4, wherein a portion of the pixel rows have a same polarity in adjacent frames of images on timeline.

### Claim 6 (depends on 4)

The display device according to claim 4, wherein the partial pixel rows reversed way means that a portion of the pixel rows have polarity reversed in adjacent frames on timeline, and a rest of the pixel rows on the same adjacent frames on timeline keep the polarity unchanged.

### Claim 7 (depends on 4)

The display device according to claim 4, wherein in any one frame of the images during the predetermined timing circle, a number of pixel rows having positive polarity is defined as a fourth number, and a number of pixel rows having negative polarity is defined as a fifth number; the fourth number is greater or equal to zero, and the fourth number is less than or equal to a sixth number plus one; the fifth number is greater or equal to the sixth number, and the fifth number is less than or equal to the first number; the first number is equal to the fourth number plus the fifth number; the third number is equal to the first number multiplied by 2 and plus 4; the sixth number is equal to the first number minus 1 then divided by 2; and the fourth number and the fifth number are defined as integers.

### Claim 8 (depends on 7)

The display device according to claim 7, wherein during the predetermined timing circle, the data scanning driver generates a seventh number of normal frames of images, an auxiliary frame of image, and two compensation frames of images; wherein the seventh number is equal to the third number minus 3; wherein in the normal frames of images, the fourth number is equal to the sixth number plus 1, and the fifth number is equal to the sixth number; wherein in the auxiliary frame of image, the fourth number is equal to the sixth number, and the fifth number is equal to the sixth number plus 1; and wherein in the compensation frames of images, the fourth number is equal to zero, and the fifth number is equal to the first number.

### Claim 9 (depends on 8)

The display device according to claim 8, wherein the auxiliary frame of image is set in the seventh number of normal frames of images, the two compensation frames of images are set after the seventh number of normal frames of images, and the two compensation frames of images are adjacent to each other on timeline.

### Claim 10 (depends on 9)

The display device according to claim 9, wherein the normal frames of images are provided to the display panel for displaying.

### Claim 11 (depends on 4)

A display method using the display device as claimed in claim 4, wherein the display method comprises the following steps: A. generating, by the scanning driver, scanning driving signals and sending the scanning driving signals to the pixel units via the scanning lines; B. generating, by the data driver, data driving signals and sending the data driving signals to the pixel rows via the data lines, wherein during a predetermined timing circle, the data driver is configured to utilize a partial pixel rows reversed way for driving the display panel via the data driving signals, such that images are displayed frame by frame.

### Claim 12 (depends on 11)

The display method of the display device according to claim 11, wherein a portion of the pixel rows have a same polarity in adjacent frames of images on timeline.

### Claim 13 (depends on 11)

The display method of the display device according to claim 11, wherein the partial pixel rows reversed way means that a portion of the pixel rows have polarity reversed in adjacent frames on timeline, and a rest of the pixel rows on the same adjacent frames on timeline keep the polarity unchanged.

### Claim 14 (depends on 11)

The display method of the display device according to claim 11, wherein a number of frames of the image corresponding to the predetermined timing circle is defined as a third number; wherein the data driver is configured to equalize a total number of pixel rows having positive polarity to a total number of pixel rows having negative polarity using the data driving signals in the third number of the frames of the images.

### Claim 15 (depends on 14)

The display method of the display device according to claim 14, wherein in any one frame of the images during the predetermined timing circle, a number of pixel rows having positive polarity is defined as a fourth number, and a number of pixel rows having negative polarity is defined as a fifth number; the fourth number is greater or equal to zero, and the fourth number is less than or equal to a sixth number plus one; the fifth number is greater or equal to the sixth number, and the fifth number is less than or equal to the first number; the first number is equal to the fourth number plus the fifth number; the third number is equal to the first number multiplied by 2 and plus 4; the sixth number is equal to the first number minus 1 then divided by 2; and the fourth number and the fifth number are defined as integers.

### Claim 16 (depends on 15)

The display method of the display device according to claim 15, wherein during the predetermined timing circle, the data scanning driver generates a seventh number of normal frames of images, an auxiliary frame of image, and two compensation frames of images; wherein the seventh number is equal to the third number minus 3; wherein in the normal frames of images, the fourth number is equal to the sixth number plus 1, and the fifth number is equal to the sixth number; wherein in the auxiliary frame of image, the fourth number is equal to the sixth number, and the fifth number is equal to the sixth number plus 1; and wherein in the compensation frames of images, the fourth number is equal to zero, and the fifth number is equal to the first number.

### Claim 17 (depends on 16)

The display method of the display device according to claim 16, wherein the auxiliary frame of image is set in the seventh number of normal frames of images, the two compensation frames of images are set after the seventh number of normal frames of images, and the two compensation frames of images are adjacent to each other on timeline.

### Claim 18 (depends on 16)

The display method of the display device according to claim 16, wherein the normal frames of images are provided to the display panel for displaying.