IP Library Granted Patent US 12670849
Granted Patent B2
US 12670849 · App. 19/014,989 · Granted Jun 30, 2026

Display panel and display device including the display panel with reduced power consumption

Inventors: Hae-Kwan Seo (Yongin-si, KR); Bon-Seog Gu (Yongin-si, KR); Jiyoun Kim (Yongin-si, KR); Jinyoung Roh (Yongin-si, KR); Jaekeun Lim (Yongin-si, KR)
Assignee: SAMSUNG DISPLAY CO., LTD.
G09G3/32G09G2300/0426G09G2300/0804G09G2300/0819G09G2300/0842G09G2310/08G09G2320/0666G09G2330/023
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Quick Facts
Patent No.
US 12670849
App. No.
19/014,989
Granted
Jun 30, 2026
Kind
B2
Abstract

A display panel which includes a first data line through a fourth data line, a first pixel circuit through a fourth pixel circuit connected to the first data line through the fourth data line, respectively, and a first light emitting element to a fourth light emitting element connected to the first pixel circuit through the fourth pixel circuit, respectively. The first data line and the fourth data line each transfer a first color data signal, the second data line transfers a second color data signal, and the third data line transfers a third color data signal. The first light emitting element and the fourth light emitting element emit light of a first color, the second light emitting element emits light of a second color, and the third light emitting element emits light of a third color.

Claims (97)

1 . A display panel comprising:

a first data line through a fourth data line;

a first pixel circuit through a fourth pixel circuit connected to the first data line through the fourth data line, respectively; and

a first light emitting element through a fourth light emitting element connected to the first pixel circuit through the fourth pixel circuit, respectively,

wherein each of the first data line and the fourth data line transfers a first color data signal, the second data line transfers a second color data signal, and the third data line transfers a third color data signal,

wherein the first light emitting element and the fourth light emitting element emit light of a first color, the second light emitting element emits light of a second color, and the third light emitting element emits light of a third color,

wherein the third light emitting element, the first light emitting element, the second light emitting element, and the fourth light emitting element are sequentially arranged in a first direction, and

wherein

the first light emitting element through the third light emitting element include a first extending line through a third extending line, respectively,

the first extending line through the third extending line are connected to the first pixel circuit through the third pixel circuit through a first contact hole through a third contact hole, respectively, and

the second contact hole and the third contact hole are disposed between the second light emitting element and the third light emitting element.

2 . The display panel of claim 1 , wherein the fourth light emitting element includes a fourth extending line, and

wherein the fourth extending line is connected to the fourth pixel circuit through a fourth contact hole.

3 . The display panel of claim 2 , wherein each of the first light emitting element through the fourth light emitting element includes an anode and a cathode, and

wherein the first extending line through the fourth extending line extend from the anodes of the first light emitting element through the fourth light emitting element, respectively.

4 . The display panel of claim 2 , wherein the first extending line, the second extending line, and the fourth extending line extend from the first light emitting element, the second light emitting element, and the fourth light emitting element, respectively, in a direction opposite to the first direction, and

wherein the third extending line extends from the third light emitting element in the first direction.

5 . The display panel of claim 1 , wherein the first data line and the second data line are disposed adjacent to each other, and the first contact hole is disposed between the first data line and the second data line.

6 . The display panel of claim 5 , further comprising:

a demultiplexer configured to connect a first output line and a second output line to the first data line and the fourth data line, respectively, in response to a first switching signal and connect the first output line and a second output line to the second data line and the third data line, respectively, in response to a second switching signal.

7 . The display panel of claim 1 , further comprising:

a demultiplexer configured to selectively connect a first output line, a second output line, and a third output line to the first data line through the fourth data line,

wherein the demultiplexer:

connects the first output line and the third output line to the first data line and the fourth data line;

connects the second output line to the second data line in response to a first switching signal; and

connects the second output line to the third data line in response to a second switching signal.

8 . The display panel of claim 1 , wherein the first pixel circuit includes:

a first transistor including a first electrode, a second electrode, and a gate electrode;

a sixth transistor including a first electrode connected with the second electrode of the first transistor, a second electrode, and a gate electrode connected with an emission control line; and

a connecting line configured to connect the first contact hole and the second electrode of the sixth transistor.

9 . The display panel of claim 8 , wherein the display panel further includes:

a base layer;

a circuit element layer disposed on the base layer, the circuit element layer including the first pixel circuit, the connecting line, and a connecting electrode disposed on the connecting line; and

a display element layer disposed on the circuit element layer, the display element layer including the first light emitting element,

wherein the connecting line is disposed on the second electrode of the sixth transistor and electrically connected to the second electrode of the sixth transistor,

wherein the connecting electrode is disposed on the connecting line and connected with the connecting line, and

wherein the first light emitting element is connected with the connecting line through the first contact hole.

10 . The display panel of claim 1 , wherein the second pixel circuit includes:

a first transistor including a first electrode, a second electrode, and a gate electrode;

a sixth transistor including a first electrode connected with the second electrode of the first transistor, a second electrode, and a gate electrode connected with an emission control line; and

a connecting line configured to connect the second contact hole and the second electrode of the sixth transistor.

11 . The display panel of claim 10 , wherein the display panel further includes:

a base layer;

a circuit element layer disposed on the base layer, the circuit element layer including the second pixel circuit, the connecting line, and a connecting electrode disposed on the connecting line; and

a display element layer disposed on the circuit element layer, the display element layer including the second light emitting element,

wherein the connecting line is disposed on the second electrode of the sixth transistor and electrically connected to the second electrode of the sixth transistor,

wherein the connecting electrode is disposed on the connecting line and connected with the connecting line, and

wherein the second light emitting element is connected with the connecting line through the second contact hole.

12 . A display device comprising:

a display panel including a first data line through a fourth data line;

a data driving circuit electrically connected with a first output line and a second output line; and

a demultiplexer configured to connect the first output line and the second output line to the second data line and the third data line in response to a first switching signal and connect the first output line and the second output line to the first data line and the fourth data line in response to a second switching signal,

wherein the display panel includes:

a first pixel circuit through a fourth pixel circuit connected to the first data line through the fourth data line, respectively; and

a first light emitting element to a fourth light emitting element connected to the first pixel circuit through the fourth pixel circuit, respectively,

wherein each of the first data line and the fourth data line transfers a first color data signal, the second data line transfers a second color data signal, and the third data line transfers a third color data signal,

wherein the first light emitting element and the fourth light emitting element emit light of a first color, the second light emitting element emits light of a second color, and the third light emitting element emits light of a third color, and

wherein the third light emitting element, the first light emitting element, the second light emitting element, and the fourth light emitting element are sequentially arranged in a first direction.

13 . The display device of claim 12 , wherein the data driving circuit outputs the first color data signal to the first output line and the second output line when the first switching signal is at an activation level, and the data driving circuit outputs the second color data signal and the third color data signal to the first output line and the second output line, respectively, when the second switching signal is at the activation level.

14 . The display device of claim 13 , wherein the first light emitting element through the fourth light emitting element include a first extending line through a fourth extending line, respectively,

wherein the first extending line through the fourth extending line are connected to the first pixel circuit through the fourth pixel circuit through a first contact hole through a fourth contact hole, respectively, and

wherein the second contact hole and the third contact hole are disposed between the second light emitting element and the third light emitting element.

15 . The display device of claim 14 , wherein the first data line and the second data line are disposed adjacent to each other, and the first contact hole is disposed between the first data line and the second data line.

16 . An electronic device for provide an image, comprising:

a display panel; and

a data driving circuit electrically connected with the display panel,

wherein the display panel includes:

a first data line through a fourth data line;

a first pixel circuit through a fourth pixel circuit connected to the first data line through the fourth data line, respectively; and

a first light emitting element through a fourth light emitting element connected to the first pixel circuit through the fourth pixel circuit, respectively,

wherein the data driving circuit provides a first color data signal to each of the first data line and the fourth data line, provides a second color data signal to the second data line, and provides a third color data signal to the third data line,

wherein the first light emitting element and the fourth light emitting element emit light of a first color, the second light emitting element emits light of a second color, and the third light emitting element emits light of a third color,

wherein the third light emitting element, the first light emitting element, the second light emitting element, and the fourth light emitting element are sequentially arranged in a first direction, and

wherein

the first light emitting element through the third light emitting element include a first extending line through a third extending line, respectively,

the first extending line through the third extending line are connected to the first pixel circuit through the third pixel circuit through a first contact hole through a third contact hole, respectively,

the first extending line and the second extending line extend from the first light emitting element and the second light emitting element, respectively, in a direction opposite to the first direction, and

the third extending line extends from the third light emitting element in the first direction.

17 . The electronic device of claim 16 , wherein the fourth light emitting element includes a fourth extending line, and

wherein the fourth extending line is connected to the fourth pixel circuit through a fourth contact hole.

18 . The electronic device of claim 17 , wherein the first contact hole is disposed between the first data line and the second data line, and

wherein the second contact hole and the third contact hole are disposed between the second light emitting element and the third light emitting element.

19 . The electronic device of claim 17 , wherein the fourth extending line extends from the fourth light emitting element in the direction opposite to the first direction.

20 . An electronic device comprising:

a processor configured to provide an image signal and a control signal; and

a display module configured to display an image in response to the image signal and the control signal, wherein the display module comprising a display panel including a pixel,

wherein the pixel comprises:

a first data line through a fourth data line;

a first pixel circuit through a fourth pixel circuit connected to the first data line through the fourth data line, respectively; and

a first light emitting element through a fourth light emitting element connected to the first pixel circuit through the fourth pixel circuit, respectively,

wherein each of the first data line and the fourth data line transfers a first color data signal, the second data line transfers a second color data signal, and the third data line transfers a third color data signal,

wherein the first light emitting element and the fourth light emitting element emit light of a first color, the second light emitting element emits light of a second color, and the third light emitting element emits light of a third color,

wherein the third light emitting element, the first light emitting element, the second light emitting element, and the fourth light emitting element are sequentially arranged in a first direction, and

wherein

the first light emitting element through the third light emitting element include a first extending line through a third extending line, respectively,

the first extending line through the third extending line are connected to the first pixel circuit through the third pixel circuit through a first contact hole through a third contact hole, respectively, and

the second contact hole and the third contact hole are disposed between the second light emitting element and the third light emitting element.