Scan structure in display device, method for driving the display device, and method for manufacturing the same

• US 7,068,265 B2
• Filed: 05/02/2002
• Issued: 06/27/2006
• Est. Priority Date: 05/04/2001
• Status: Expired due to Term

• Current Assignee: LG Display Co., Ltd.
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Hak Su
• Primary Examiner(s): CHANG, KENT WU
• Application Number:
  US10/136,277
• Publication Number:
  US 20020180670A1
• Time in Patent Office: 1,517 Days
• Field of Search: 345/103, 345/76, 345/79, 345/208, 345/209, 345/211, 345/212, 345/213, 315/169.3
• US Class Current: 345/213
• CPC Class Codes: G09G 2300/0439 Pixel structures
• CPC Class Codes: G09G 2310/0205 Simultaneous scanning of several lines in flat panels
• CPC Class Codes: G09G 3/3216 using a passive matrix
• CPC Class Codes: H10K 59/179 Interconnections, e.g. wiring lines or terminals

Abstract

A scan structure of a display device, a method for driving the display device, and a method for manufacturing the same is disclosed, which is for physically decreasing a duty in half, maintaining uniform picture quality. In the display device having a plurality of data lines formed in one direction, a plurality of scan lines formed in perpendicular to the plurality of data lines, a plurality of pixels are formed, which are connected to the plurality of data lines in each scan line, so that the total scan time is increased in proportion to the number of the pixels in each scan line.

Claims

1. In a display device having a plurality of data lines formed in one direction, a plurality of scan lines formed perpendicular to the plurality of data lines, and a plurality of pixels formed at crossing points of the data and scan lines, a method for driving the display device comprising:

forming pixels by forming at least a first and a second scan line and at least a first and second data line in a matrix type;

connecting odd numbered row pixels of the first scan line to the first data line and connecting even numbered row pixels of the first scan line to the second data line for independently operating at least two pixels on the first scan line; and

driving the first scan line, the first data line and the second data line to emit light from pixels on the first scan line.

2. The method as claimed in claim 1, wherein one scan signal is simultaneously applied to the first scan line.

3. The method as claimed in claim 2, wherein the first and second scan lines are divided by a barrier.

4. The method as claimed in claim 1, wherein the odd numbered row pixels are connected to the first data line, and the even numbered row pixels are connected to the second data line.

5. In a display device having a plurality of data lines formed in one direction, a plurality of scan lines formed perpendicular to the plurality of data lines, and a plurality of pixels formed at crossing points of the data and scan lines, a method for driving the display device having an organic EL panel includes forming a plurality of pixels by forming a plurality of scan lines and a plurality of data lines in a matrix type, wherein odd numbered row pixels associated with a first scan line are connected to a first data line and even numbered row pixels associated with the first scan line are connected to a second data line, the method further including driving the at least one scan lines, the first data line and the second data line to emit light from pixels on the first scan line.

6. In a display device having a plurality of data lines formed in one direction, a plurality of scan lines formed perpendicular to the plurality of data lines, and a plurality of pixels formed at crossing points of the data and scan lines, a method for driving the display device by a current driver includes forming a plurality of pixels in a matrix form along a first scan line, each of the plurality of pixels being connected to either a first data line or a second data line, wherein odd numbered row pixels of the first scan line are connected to the first data line and even numbered row pixels of the first scan line are connected to the second data line, the method further including driving the first scan line, the first data line and the second data line to emit light from pixels on the first scan line.

7. A scan structure of a display device comprising:

a plurality of pixels formed by crossing a first scan line and at least two data lines, the pixels divided into odd numbered row pixels and even numbered row pixels, wherein odd numbered row pixels are connected to a first data line and even numbered row pixels are connected to a second data line;

a data driver for applying a first data signal to the odd numbered row pixels and for applying a second data signal to the even numbered row pixels; and

a scan driver for applying a scan signal to the first scan line, the display device emitting light from pixels on the first scan line when the scan driver applies the scan signal to the first scan line and the data driver applies the first data signal to the odd numbered row pixels and applies the second data signal to the even numbered row pixels.

8. A scan structure of a display device having an organic EL panel comprising:

a plurality of pixels crossing a first scan line and at least two data lines, the pixels of the first scan line divided into odd numbered row pixels and even numbered row pixels, wherein odd numbered row pixels are connected to a first data line and even numbered row pixels are connected to a second data line;

a data driver for applying a first data signal to the odd numbered row pixels and for applying a second data signal to the even numbered row pixels; and

a scan driver for applying a scan signal to the first scan line, the display device emitting light from pixels on the first scan line when the scan driver applies the scan signal to the first scan line and the data driver applies the first data signal to the odd numbered row pixels and applies the second data signal to the even numbered row pixels.

9. A scan structure of a display device driven by a current comprising:

a plurality of pixels formed at crossing points of a first scan line and at least two data lines, the pixels of the first scan line divided into odd numbered row pixels and even numbered row pixels, wherein odd numbered row pixels are connected to a first data line;

a data driver for applying a first data signal to the odd numbered row pixels and for applying a second data signal to the even numbered row pixels; and

a scan driver for applying a scan signal to the first scan line, the display device emitting light from pixels on the first scan line based on the scan driver applying the scan signal to the first scan line and the data driver applying the first data signal to the odd numbered row pixels and applying the second data signal to the even numbered row pixels.

10. A scan structure in a display device comprising:

a plurality of scan lines formed in one direction each for electrically connecting at least two row data pixels;

a plurality of data lines formed perpendicular to the scan lines for connecting adjacent data pixels; and

data and scan drivers selectively applying signals to the data and scan lines so that light is selectively emitted from corresponding pixels, the display device emitting light from pixels on a first one of the scan lines based on the data and scan drivers applying signals to the first one of the scan lines, odd numbered row data lines of the first one of the scan lines and even numbered row data lines of the first one of the scan lines.

11. The scan structure as claimed in claim 10, wherein an identical scan signal is applied to the data lines of two data pixels adjacent to each other.

12. The scan structure as claimed in claim 10, wherein electrically different data signals are applied to odd and even numbered row pixels.

13. A scan structure in a display device driven by a current driving device comprising:

a plurality of scan lines formed in one direction for electrically connecting at least two row data pixels;

a plurality of data lines formed perpendicular to the scan lines for connecting adjacent data pixels; and

data and scan drivers selectively applying signals to the data and scan lines so that light is selectively emitted from corresponding pixels, the display device emitting light from pixels on a first one of the scan lines based on the data and scan drivers applying signals to the first one of the scan lines, odd numbered row data lines of the first one of the scan lines and even numbered row data lines of the first one of the scan lines.

14. In a display device having a plurality of data lines formed in one direction, a plurality of scan lines formed perpendicular to the plurality of data lines, and a plurality of pixels along a first scan line formed at crossing points of the data lines and the scan lines, a method for driving the display device comprising:

driving the first scan line using a first scan signal; and

driving an odd numbered data line and driving an even numbered data line to emit light from at least two row pixels on the first scan line, each of the two row pixels formed on separate rows of the first scan line.

15. The method as claimed in claim 14, further comprising:

driving a second scan line using a second scan signal; and

driving an odd numbered data line and driving an even numbered data line to emit light from the second scan line.

16. The method as claimed in claim 15, wherein the first and second scan lines are divided by a barrier.

17. The method as claimed in claim 14, wherein odd numbered row pixels are connected to the odd numbered data line, and even numbered row pixels are connected to the even numbered data line.