IP Library Granted Patent US 10,546,534
Granted Patent B2
US 10,546,534 · App. 14/872,926 · Granted Jan 28, 2020

Non-rectangular display and driving method thereof

Inventors: Seung-Kyu Lee (Asan-si, KR); Tae Hoon Kim (Cheonan-si, KR); Jae Du Noh (Mokpo-si, KR)
Assignee: Samsung Display Co., Ltd.
G09G3/3258G09G3/3266G09G3/3291G09G2300/0426G09G2300/0819G09G2320/0219
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Quick Facts
Patent No.
US 10,546,534
App. No.
14/872,926
Granted
Jan 28, 2020
Kind
B2
Abstract

A non-rectangular display includes: a plurality of first signal lines extending along a first direction; a plurality of DC voltage lines extending along the first direction; and a plurality of second signal lines extending along the first direction, wherein a first DC voltage line of the plurality of DC voltage lines is between a first line of the plurality of first signal lines and a second line of the plurality of second signal lines, a second DC voltage line of the plurality of DC voltage lines is between a third line of the plurality of first signal lines and a fourth line of the plurality of second signal lines, and the first and third lines are adjacent to each other, or the second and fourth lines are adjacent to each other.

Claims (28)

1. A non-rectangular display comprising:

a plurality of first signal lines extending in a first direction;

a plurality of DC voltage lines extending in the first direction; and

a plurality of second signal lines extending in the first direction, wherein:

a first DC voltage line of the plurality of DC voltage lines is between a first one of the first signal lines and a first one of the second signal lines,

a second DC voltage line of the plurality of DC voltage lines is between a second one of the first signal lines and a second one of the second signal lines,

the first one and the second one of the first signal lines have no DC voltage line and no second signal line between each other, or the first one and the second one of the second signal lines have no DC voltage line and no first signal line between each other, and

when the first one and the second one of the first signal lines are adjacent to each other, the first one of the second signal lines, the first DC voltage line, the first one of the first signal lines, the second one of the first signal lines, the second DC voltage line, and the second one of the second signal lines are consecutively sequentially arranged.

2. The non-rectangular display of claim 1 , wherein at least one pair of the first one and the second one of the first signal lines, the first one and the second one of the second signal lines and the first DC voltage line and the second DC voltage line are arranged symmetrically to each other based on a reference line.

3. The non-rectangular display of claim 1 , wherein, when the first one and the second one of the second signal lines are adjacent to each other, the first one of the first signal lines, the first DC voltage line, the first one of the second signal lines, the second one of the second signal lines, the second DC voltage line, and the second one of the first signal line are consecutively sequentially arranged.

4. The non-rectangular display of claim 3 , wherein at least one pair of the first one and the second one of the first signal lines, the first one and the second one of the second signal lines, and the first DC voltage line and the second DC voltage line are arranged symmetrically to each other based on a reference line.

5. The non-rectangular display of claim 1 , further comprising a plurality of pixels configured to receive a plurality of signals transmitted via the plurality of first signal lines while being respectively synchronized with a plurality of signals transmitted via the plurality of second signal lines.

6. The non-rectangular display of claim 1 , further comprising a plurality of third signal lines connected to the plurality of second signal lines at a plurality of contact points and extending in a second direction crossing the first direction.

7. The non-rectangular display of claim 6 , further comprising a plurality of pixels configured to receive a plurality of data signal transmitted via the plurality of first signal lines while being respectively synchronized with a plurality of scanning signals transmitted via the plurality of third signal lines.

8. The non-rectangular display of claim 7 , wherein the plurality of pixels comprise:

a plurality of switching transistors comprising first electrodes connected to the plurality of first signal lines, the plurality of third signal lines configured as gate electrodes of the switching transistors; and

a plurality of driving transistors comprising gate electrodes, first electrodes, and second electrodes, the gate electrodes being connected to second electrodes of the plurality of switching transistors, the first electrodes being configured to receive voltages via the plurality of DC voltage lines, and the second electrodes of the plurality of driving transistors being connected to organic light emitting diodes (OLEDs).

9. The non-rectangular display of claim 7 , wherein the plurality of pixels are configured to receive an initialization voltage while being synchronized with a plurality of scanning signals transmitted via the third signal lines corresponding to a previous pixel row.

10. The non-rectangular display of claim 9 , further comprising a plurality of initialization voltage lines configured to supply the initialization voltage and extending in the second direction.

11. The non-rectangular display of claim 9 , wherein the plurality of pixels comprise:

a plurality of switching transistors comprising first electrodes connected to the plurality of first signal lines, the plurality of third signal lines configured as gate electrodes of the switching transistors;

a plurality of driving transistors comprising first electrodes and second electrodes, the first electrodes being connected to second electrodes of the plurality of switching transistors, and the second electrodes of the plurality of driving transistors being connected to OLEDs; and

a plurality of compensation transistors connected between the gate electrodes of the plurality of driving transistors and the second electrodes of the plurality of driving transistors, the plurality of third signal lines configured as a gate electrode of the compensation transistors.

12. The non-rectangular display of claim 11 , wherein the plurality of pixels further comprise a plurality of initialization transistors comprising first electrodes connected to the gate electrodes of the plurality of driving transistors and the plurality of third signal lines corresponding to the previous pixel row configured as a gate electrode.

13. The non-rectangular display of claim 9 , further comprising a plurality of light emission control lines configured to transmit a plurality of light emission control signals.

14. The non-rectangular display of claim 1 , further comprising:

a plurality of third signal lines respectively connected to ones of the second signal lines via contact openings, the third signal lines extending in a second direction crossing the first direction.

15. The non-rectangular display of claim 14 , further comprising a plurality of pixels configured to receive a data signal synchronized with a scanning signal transmitted via the second signal lines and transmitted via the first signal lines, and to receive a driving voltage via the DC voltage lines.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 8, 2016
From: LEE, SEUNG-KYU; KIM, TAE HOON; NOH, JAE DU
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 037919/0550 →
Priority Claims (1)
KR 10-2015-0013045 · Jan 27, 2015 · national
Continuity (1)
Related Publication 20160217740A1 · Jul 28, 2016