IP Library › Granted Patent US 10,762,852
Granted Patent B2
US 10,762,852 · App. 16/387,439 · Granted Sep 1, 2020

Display device

Inventors: Young Taeg Jung (Yongin-si, KR); Hyun Chol Bang (Yongin-si, KR); Ju Hee Hyeon (Yongin-si, KR)
Assignee: Samsung Display Co., Ltd.
G09G3/3266G09G3/3233G09G3/3291H01L27/3276G09G2300/0413G09G2300/0426G09G2300/0439G09G2310/08
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Quick Facts
Patent No.
US 10,762,852
App. No.
16/387,439
Granted
Sep 1, 2020
Kind
B2
Abstract

A display device includes: a substrate including first and second display regions and first and second non-display regions; a plurality of first pixels in the first display region; a plurality of second pixels in the second display region; a plurality of first scan stage circuits in the first non-display region, the first scan stage circuits configured to provide a scan signal to the first pixels; a plurality of second scan stage circuits in the second non-display region, the second scan stage circuits configured to provide a scan signal to the second pixels; a plurality of dummy scan stage circuits in the second non-display region, the dummy scan stage circuits being between the second scan stage circuits; and a scan bridge line in the second non-display region, the scan bridge line connecting one second scan stage circuit among the second scan stage circuits and a dummy scan stage circuit adjacent thereto.

Claims (42)

1. A display device comprising:

a substrate including first and second display regions and first and second non-display regions;

a plurality of first pixels in the first display region;

a plurality of second pixels in the second display region;

a plurality of first scan stage circuits in the first non-display region, the first scan stage circuits configured to provide a scan signal to the first pixels;

a plurality of second scan stage circuits in the second non-display region, the second scan stage circuits configured to provide a scan signal to the second pixels;

a plurality of dummy scan stage circuits in the second non-display region, the dummy scan stage circuits being between the second scan stage circuits; and

a scan bridge line in the second non-display region, the scan bridge line connecting one second scan stage circuit among the second scan stage circuits and a dummy scan stage circuit adjacent thereto.

2. The display device of claim 1 , wherein the dummy scan stage circuits are in a floating state.

3. The display device of claim 2 , wherein a first side of the scan bridge line is connected to the one second scan stage circuit, and a second side of the scan bridge line is connected to a dummy scan stage circuit from among the plurality of dummy scan stage circuits.

4. The display device of claim 3 , wherein an output terminal of the dummy scan stage circuit is electrically connected to a second pixel corresponding to the one second scan stage circuit.

5. The display device of claim 4 , wherein the dummy scan stage circuit is closer to the corresponding second pixel than the one second scan stage circuit.

6. The display device of claim 5 , wherein the scan bridge line is configured to transfer a scan signal of the one second scan stage circuit to a second pixel corresponding to the one second scan stage circuit through the output terminal of the dummy scan stage circuit.

7. The display device of claim 6 , wherein, in a plan view, the scan bridge line extends in a length direction of the substrate, and overlaps with a portion of the one second scan stage circuit and a portion of the dummy scan stage circuit.

8. The display device of claim 7 , wherein the one second scan stage circuit includes at least one transistor and lines connected to the transistor.

9. The display device of claim 8 , wherein the scan bridge line is integrally provided with the output terminal of the dummy scan stage circuit.

10. The display device of claim 1 , wherein a distance between the second scan stage circuits is larger than a distance between the first scan stage circuits.

11. The display device of claim 10 , wherein the second display region is connected to the first display region, and has a width smaller than a width of the first display region.

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

a plurality of first emission stage circuits in the first non-display region, the first emission stage circuits configured to supply an emission control signal to the first pixels;

a plurality of second emission stage circuits in the second non-display region, the second emission stage circuits configured to supply an emission control signal to the second pixels;

a plurality of dummy emission stage circuits in the second non-display region, the dummy emission stage circuits being between the second emission stage circuits; and

an emission bridge line in the second non-display region, the emission bridge line connecting one second emission stage circuit among the second emission stage circuits and a dummy emission stage circuit adjacent thereto.

13. The display device of claim 12 , wherein the dummy emission stage circuits are in a floating state.

14. The display device of claim 13 , wherein a first side of the emission bridge line is connected to the one second emission stage circuit, and a second side of the emission bridge line is connected to a dummy emission stage circuit from among the dummy emission stage circuits.

15. The display device of claim 14 , wherein an output terminal of the dummy emission stage circuit is electrically connected to a second pixel corresponding to the one second emission stage circuit.

16. The display device of claim 15 , wherein the emission bridge line is configured to transfer an emission control signal of the one second emission stage circuit to a second pixel corresponding to the one second emission stage circuit through the output terminal of the dummy emission stage circuit.

17. The display device of claim 16 , wherein the one second emission stage circuit includes at least one transistor and lines connected to the transistor.

18. The display device of claim 17 , wherein the emission bridge line is integrally provided with the output terminal of the dummy emission stage circuit.

19. The display device of claim 12 , wherein a distance between the second emission stage circuits is larger than a distance between the first emission stage circuits.

20. A display device comprising:

a substrate including first and second display regions and first and second non-display regions;

a plurality of first pixels in the first display region;

a plurality of second pixels in the second display region;

a plurality of first scan stage circuits in the first non-display region, the first scan stage circuits configured to provide a scan signal to the first pixels;

a plurality of first emission stage circuits in the first non-display region, the first emission stage circuits configured to provide an emission control signal to the first pixels;

a plurality of second scan stage circuits in the second non-display region, the second scan stage circuits configured to provide a scan signal to the second pixels;

a plurality of dummy scan stage circuits in the second non-display region, the dummy scan stage circuits being between the second scan stage circuits;

a plurality of second emission stage circuits in the second non-display region, the second emission stage circuits configured to provide an emission control signal to the second pixels;

a plurality of dummy emission stage circuits in the second non-display region, the dummy emission stage circuits being between the second emission stage circuits;

a scan bridge line in the second non-display region, the scan bridge line connecting one second scan stage circuit among the second scan stage circuits and a dummy scan stage circuit adjacent thereto; and

an emission bridge line in the second non-display region, the emission bridge line connecting one second emission stage circuit among the second emission stage circuits and a dummy emission stage circuit adjacent thereto.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 24, 2019
From: JUNG, YOUNG TAEG; BANG, HYUN CHOL; HYEON, JU HEE
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 048981/0811 →
Priority Claims (1)
KR 10-2018-0044588 · Apr 17, 2018 · national
Continuity (1)
Related Publication 20190318693A1 · Oct 17, 2019
Cited By (1)
US 12,482,406