IP Library › Granted Patent US 10,043,478
Granted Patent B2
US 10,043,478 · App. 14/734,881 · Granted Aug 7, 2018

Display device

Inventor: Jung Jun Im (Cheonan-si, KR)
Assignee: Samsung Display Co., Ltd.
G09G5/00G09G5/18H01L27/124H01L27/1222G09G2300/0426H01L27/3262H01L29/786
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Quick Facts
Patent No.
US 10,043,478
App. No.
14/734,881
Granted
Aug 7, 2018
Kind
B2
Abstract

There is provided a display device comprising a display panel, wherein the display panel comprises pixels, data lines, thin film transistors including first electrodes electrically connected with the data lines, second electrodes disposed to be spaced apart from the first electrodes in a first direction, semiconductor layers overlapping the first electrodes and the second electrodes, and gate electrodes overlapping the semiconductor layers and pads electrically connected with the second electrodes, wherein the thin film transistors includes first thin film transistors and second thin film transistors, which are alternately disposed, the semiconductor layers are divided into first semiconductor layers included in the first thin film transistors and second semiconductor layers included in the second thin film transistors, which are alternately disposed, and a length of the first semiconductor layer in the first direction is larger than a length of the second semiconductor layer in the first direction.

Claims (31)

1. A display device, comprising:

a display panel,

wherein the display panel comprises:

a plurality of pixels;

a plurality of data lines configured to transmit data signals to the plurality of pixels;

a plurality of thin film transistors including first electrodes electrically connected with the plurality of data lines, respectively, second electrodes disposed to be spaced apart from the first electrodes in a first direction, semiconductor layers overlapping the first electrodes and the second electrodes, and gate electrodes overlapping the semiconductor layers, respectively; and

pads electrically connected with the second electrodes, and

the plurality of thin film transistors includes a plurality of first thin film transistors and a plurality of second thin film transistors, which are alternately disposed,

the semiconductor layers of the plurality of second thin film transistors are adjacently disposed to the second electrodes of the first thin film transistors along a second direction vertical to the first direction, and

the semiconductor layers of the plurality of first thin film transistors are adjacently disposed to the first electrodes of the second thin film transistors along the second direction.

2. The display device of claim 1 , wherein the display panel further comprises:

first connection lines extended from the first electrodes in an opposite direction to the first direction and electrically connected with the data lines, and

second connection lines extended from the second electrodes in the first direction and electrically connected with the pads, and

a width of the first electrode in the second direction is larger than a width of the first connection line in the second direction, and

a width of the second electrode in the second direction is larger than a width of the second connection line in the second direction.

3. The display device of claim 1 , wherein a shortest distance between the first electrode of the first thin film transistor and the first electrode of the second thin film transistor is larger than a distance between the first electrode of the first thin film transistor and the first electrode of the second thin film transistor in the second direction.

4. The display device of claim 1 , wherein a shortest distance between the second electrode of the first thin film transistor and the first electrode of the second thin film transistor is larger than a distance between the first electrode of the first thin film transistor and the first electrode of the second thin film transistor in the second direction.

5. The display device of claim 1 , wherein a shortest distance between the second electrode of the first thin film transistor and the first electrode of the second thin film transistor is larger than a distance between the first electrode of the first thin film transistor and the first electrode of the second thin film transistor in the second direction.

6. The display device of claim 1 , wherein the display panel further comprises:

a first common gate line serving as the common gate electrode of the plurality of first thin film transistors; and

a second common gate line serving as the common gate electrode of the plurality of second thin film transistors.

7. The display device of claim 6 , wherein the first common gate line is extended in the second direction to overlap the semiconductor layers of the plurality of first thin film transistors, and

the second common gate line is extended in the second direction to overlap the semiconductor layers of the plurality of second thin film transistors.

8. The display device of claim 1 , wherein the plurality of pixels includes a plurality of first to third pixels displaying different colors, and

the pads include:

a first pad connected with the second electrodes of the thin film transistors connected with the plurality of data lines transmitting the data signals to the plurality of first pixels among the plurality of data lines;

a second pad electrically connected with the second electrodes of the plurality of thin film transistors connected with the plurality of data lines transmitting the data signals to the plurality of second pixels among the plurality of data lines; and

a third pad electrically connected with the second electrodes of the plurality of thin film transistors connected with the plurality of data lines transmitting the data signals to the plurality of third pixels among the plurality of data lines.

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

a data driver configured to apply the data signals to the plurality of data lines.

10. The display device of claim 1 , wherein pitches of the plurality of data lines are larger than pitches of the thin film transistors in the second direction vertical to the first direction.

Priority Claims (1)
KR 10-2013-0078429 · Jul 4, 2013 · national
Continuity (2)
Division 14291912 · May 30, 2014
Related Publication 20150279306A1 · Oct 1, 2015
Cited By (1)
US 12,414,372