IP Library Granted Patent US 7,772,767
Granted Patent B2
US 7,772,767 · App. 11/677,299 · Granted Aug 10, 2010

Display device

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Quick Facts
Patent No.
US 7,772,767
App. No.
11/677,299
Granted
Aug 10, 2010
Kind
B2
Abstract

A display device includes; first, second and third pixel electrodes, each of the first, the second and the third pixel electrodes comprising a first edge and a second edge longer than the first edge, a first, a second and a third electrode connected to the first, second and third pixel electrodes respectively, a fourth electrode opposing the first electrode with respect to a fifth electrode, a sixth electrode opposing the second electrode with respect to a seventh electrode, and an eighth electrode opposing the third electrode with respect to a ninth electrode, wherein each of the first, fourth and fifth electrodes include a first portion disposed between the first and second pixel electrode and a second portion disposed outside of a space between the first and second pixel electrode, and the second, the sixth and the seventh electrodes are disposed outside of a space between the second and third pixel electrode.

Claims (58)

1. A display device, comprising:

first, second and third pixel electrodes, each of the first, the second and the third pixel electrodes comprising a first edge and a second edge which is longer than the first edge;

a first electrode connected to the first pixel electrode;

a second electrode connected to the second pixel electrode;

a third electrode connected to the third pixel electrode;

a fourth electrode opposing the first electrode with respect to a fifth electrode;

a sixth electrode opposing the second electrode with respect to a seventh electrode; and

an eighth electrode opposing the third electrode with respect to a ninth electrode,

wherein each of the first, fourth and fifth electrodes comprise a first portion disposed between the first pixel electrode and the second pixel electrode, a second portion disposed outside of a space between the first pixel electrode and the second pixel electrode and a third portion, which is linear, connecting the first portion and the second portion, the third portion not parallel to either the first or second portions, and

the second, sixth and seventh electrodes are disposed outside of a space between the second pixel electrode and the third pixel electrode.

2. The display device of claim 1 , wherein the second portions of the first, fourth and fifth electrodes extend substantially parallel to the first edge of the first pixel electrode.

3. The display device of claim 1 , wherein lengths of the third, eighth and ninth electrodes are shorter than lengths of the first, fourth and fifth electrodes, respectively.

4. The display device of claim 1 , wherein the third, eighth and the ninth electrode each comprise portions extending substantially parallel to the second edge of the third pixel electrode.

5. The display device of claim 1 , wherein at least one of the first portion and the second portion of each of the first, fourth and fifth electrodes further comprises a curved section.

6. The display device of claim 5 , wherein an angle formed by the first portion and the second portion of the first, fourth and fifth electrodes is substantially 90 degrees.

7. The display device of claim 5 , wherein the curved section of each of the first, fourth and fifth electrodes are substantially symmetrical to one another.

8. The display device of claim 1 , further comprising:

a driving voltage line disposed between the first pixel electrode and the second pixel electrode, the driving voltage line applying a driving voltage to the fourth electrode; and

a data line disposed between the first pixel electrode and the second pixel electrode,

wherein portions of the driving voltage line and the data line are curved toward the second pixel electrode.

9. The display device of claim 8 , further comprising a scanning line substantially perpendicular to the driving voltage line and the data line.

10. The display device of claim 8 , wherein the first pixel electrode extends into an area corresponding to the curved portions of the driving voltage line and the data line.

11. The display device of claim 1 , further comprising:

an emission signal line disposed between the first pixel electrode and the second pixel electrode, the emission signal line alternately applying a driving voltage and a reference voltage to the second electrode; and

a data line disposed between the first pixel electrode and the second pixel electrode,

wherein portions of the emission signal line and the data line are curved toward the second pixel electrode.

12. The display device of claim 11 , further comprising:

a scanning line disposed substantially perpendicular to the emission signal line; and

a pre-charge voltage line disposed substantially parallel to the scanning line.

13. The display device of claim 11 , further comprising:

a scanning line disposed substantially perpendicular to the data line; and

a pre-charge voltage line disposed substantially perpendicular to the scanning line.

14. The display device of claim 11 , wherein a first pixel comprising the first pixel electrode emits light having a blue color when on, a second pixel comprising the second pixel electrode emits light having a green color when on and a third pixel comprising the third pixel electrode emits light having a red color when on.

15. The display device of claim 1 , wherein a pixel comprising the second or third pixel electrode emits light having a green or red color when on.

16. A display device, comprising:

first, second and third pixel electrodes, each of the first, the second and the third pixel electrodes comprising a first edge and a second edge which is longer than the first edge;

a first electrode connected to the first pixel electrode;

a second electrode connected to the second pixel electrode;

a third electrode connected to the third pixel electrode;

a fourth electrode opposing the first electrode with respect to a fifth electrode;

a sixth electrode opposing the second electrode with respect to a seventh electrode; and

an eighth electrode opposing the third electrode with respect to a ninth electrode,

wherein each of the first, fourth and fifth electrodes comprise a first portion disposed between the first pixel electrode and the second pixel electrode and a second portion disposed outside of a space between the first pixel electrode and the second pixel electrode,

the second electrode is disposed entirely outside of a space between the second pixel electrode and the third pixel electrode,

the sixth and seventh electrodes are disposed outside of a space between the second pixel electrode and the third pixel electrode,

the first portion and the second portion of each of the first, fourth and fifth electrodes are connected to each other by a bent section, and

a pixel comprising the first pixel electrode emits light having a blue color when on.

17. A display device, comprising:

first, second and third pixel electrodes, each of the first, the second and the third pixel electrodes comprising a first edge and a second edge which is longer than the first edge;

a first electrode connected to the first pixel electrode;

a second electrode connected to the second pixel electrode;

a third electrode connected to the third pixel electrode;

a fourth electrode opposing the first electrode with respect to a fifth electrode;

a sixth electrode opposing the second electrode with respect to a seventh electrode; and

an eighth electrode opposing the third electrode with respect to a ninth electrode,

wherein each of the first, fourth and fifth electrodes comprise a first portion disposed between the first pixel electrode and the second pixel electrode, a second portion disposed outside of a space between the first pixel electrode and the second pixel electrode and a third portion, which is curved, connecting the first portion and the second portion, the third portion not comprising a portion parallel to either the first or second portions,

the second, sixth and seventh electrodes are disposed outside of a space between the second pixel electrode and the third pixel electrode, and

a pixel comprising the first pixel electrode emits light having a blue color when on.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 21, 2012
From: SAMSUNG ELECTRONICS CO., LTD.
To: SAMSUNG DISPLAY CO., LTD.
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