DISPLAY DEVICE

• US 20160351137A1
• Filed: 12/29/2015
• Published: 12/01/2016
• Est. Priority Date: 05/27/2015
• Status: Abandoned Application

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: NOH, Jung Hun, LEE, Hyun Sup, SONG, Jun Ho, SONG, Keun Kyu
• Application Number:
  US14/982,186
• Publication Number:
  US 20160351137A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2300/0452 Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
• CPC Class Codes: G09G 2320/0242 Compensation of deficiencies in the appearance of colours
• CPC Class Codes: G09G 3/3611 Control of matrices with row and column drivers
• CPC Class Codes: G09G 3/3614 Control of polarity reversal in general

Abstract

A display device includes a first gate line extending in a first direction, a first pixel column group connected to the first gate line and alternately receiving data voltages with a first polarity pattern and data voltages with a second polarity pattern, which is an inverted polarity pattern of the first polarity pattern, at an interval of a unit of a frame, and a plurality of data lines respectively connected to a plurality of pixels included in the first pixel column group, wherein each of the pixels includes a first sub-pixel to which a first voltage is applied and a second sub-pixel to which a second voltage, which is lower than the first voltage, is applied and a maximum width, in the first direction, of the first sub-pixel is greater than a maximum width, in the first direction, of the second sub-pixel.

Claims

1. A display device, comprising:

a first gate line extending in a first direction;

a first pixel column group which includes a plurality of pixels connected to the first gate line and alternately receiving data voltages with a first polarity pattern and data voltages with a second polarity pattern, which is an inverted polarity pattern of the first polarity pattern, at an interval of a unit of a frame; and

a plurality of data lines respectively connected to the plurality of pixels,

wherein each of the plurality of pixels includes a first sub-pixel to which a first voltage is applied and a second sub-pixel to which a second voltage, which is lower than the first voltage, is applied and a maximum width, in the first direction, of the first sub-pixel is greater than a maximum width, in the first direction, of the second sub-pixel.

2. The display device of claim 1, wherein the first sub-pixel and the second sub-pixel are spatially divided by the first gate line.

3. The display device of claim 2, further comprising:

a first transistor which controls a connection between the first sub-pixel and the first gate line;

a second transistor which controls a connection between the second sub-pixel and the first gate line;

a plurality of sustain lines extending to correspond to the plurality of data lines and receiving a reference voltage; and

a third transistor which controls connections between the plurality of sustain lines and the second sub-pixel.

4. The display device of claim 2, wherein an area of the first sub-pixel is larger than an area of the second sub-pixel.

5. The display device of claim 1, wherein widths of the first sub-pixel and the second sub-pixel gradually increase along a second direction, which is perpendicular to the first direction.

6. The display device of claim 5, wherein the second sub-pixel has a triangular shape, and the first sub-pixel has a trapezoidal shape.

7. The display device of claim 1, wherein the first sub-pixel of a first pixel in the first pixel column group overlaps the second sub-pixel of a second pixel neighboring the first pixel along the first direction.

8. The display device of claim 1, wherein the first pixel column group includes a red (R) pixel, a green (G) pixel, a blue (B) pixel, a white (W) pixel, another red (R) pixel, another green (G) pixel, another blue (B) pixel, and another white (W) pixel which are sequentially arranged along the first direction.

9. The display device of claim 8, wherein the first polarity pattern is “

+−

+−

−

+−

+” and

the second polarity pattern is “

−

+−

++−

+−

”

sequentially in the first direction.

10. The display device of claim 9, wherein a shortest distance, in the first direction, between the first sub-pixel of a positive R pixel and the first sub-pixel of a negative R pixel is shorter than a shortest distance, in the first direction, between the second sub-pixel of the positive R pixel and the second sub-pixel of the negative R pixel.

11. A display device, comprising:

a first gate line extending in a first direction;

a first pixel column group connected to the first gate line and including at least two first, second, third, and fourth pixels, the at least two first, second, third, and fourth pixels render different colors from one another; and

a plurality of data lines respectively connected to the at least two first, second, third, and fourth pixels included in the first pixel column group,

wherein the first pixel column group includes a first sub-group, which includes first, second, third, and fourth pixels of the at least two first, second, third, and fourth pixels to which data voltages with a first sub-polarity pattern are applied, and a second sub-group, which includes first, second, third, and fourth pixels of the at least two first, second, third, and fourth pixels to which data voltages with a second sub-polarity pattern inverted from the first sub-polarity pattern are applied, each of the first, second, third, and fourth pixels included in the first pixel column group includes a first sub-pixel to which a first voltage is applied and a second sub-pixel to which a second voltage, which is lower than the first voltage, is applied, and a shortest distance, in the first direction, between the first sub-pixel of the first pixel of the first sub-group and the first sub-pixel of the first pixel of the second sub-group is shorter than a shortest distance, in the first direction, between the second sub-pixel of the first pixel of the first sub-group and the second sub-pixel of the first pixel of the second sub-group.

12. The display device of claim 11, wherein the first sub-pixel and the second sub-pixel of each of the pixels included in the first pixel column group are spatially divided by the first gate line.

13. The display device of claim 12, further comprising:

a first transistor which controls a connection between the first sub-pixel of each of the pixels included in the first pixel column group and the first gate line;

a second transistor which controls a connection between the second sub-pixel of each of the pixels included in the first pixel column group and the first gate line;

a plurality of sustain lines extending to correspond to the plurality of data lines and receiving a reference voltage; and

a third transistor which controls connections between the plurality of sustain lines and the second sub-pixel of each of the pixels included in the first pixel column group.

14. The display device of claim 12, wherein in each of the pixels included in the first pixel column group, an area of the first sub-pixel is larger than an area of the second sub-pixel.

15. The display device of claim 11, wherein in each of the pixels included in the first pixel column group, a maximum width, in the first direction, of the first sub-pixel is greater than a maximum width, in the first direction, of the second sub-pixel.

16. The display device of claim 15, wherein widths of the first sub-pixel and the second sub-pixel of each of the pixels included in the first pixel column group gradually increase along a second direction, which is perpendicular to the first direction.

17. The display device of claim 16, wherein the second sub-pixel of each of the pixels included in the first pixel column group has a triangular shape, and the first sub-pixel of each of the pixels included in the first pixel column group has a trapezoidal shape.

18. The display device of claim 11, wherein in each of the first and second sub-groups, the first sub-pixel of the first pixel overlaps the second sub-pixel of the second pixel along the first direction.

19. The display device of claim 11, wherein in each of the first and second sub-groups, the first, second, third, and fourth pixels are an R pixel, a G pixel, a B pixel, and a W pixel, respectively, which are sequentially arranged along the first direction.

20. The display device of claim 19, wherein the first sub-polarity pattern is “

+−

+−

” and

the second sub-polarity pattern is “

−

+−

+”

sequentially in the first direction.