IP Library › Granted Patent US 12700346

Granted Patent B2

US 12700346 · App. 18/974,327 · Granted Aug 4, 2026

Display panel and display device including the same

Inventors: Chang Bae Park (Paju-si, KR); Woo Nam Jeong (Paju-si, KR); Hyeon Ho Son (Paju-si, KR); Hyun Cheol Jin (Paju-si, KR); Tae Young Jung (Paju-si, KR)

Assignee: LG Display Co., Ltd.

G09G3/32 G02F2201/52 G09G2300/0443 G09G2300/0452 G09G2300/0852 G09G2310/08 G09G2320/0233 G09G2320/0242 G09G2330/08

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Quick Facts

Patent No.: US 12700346
App. No.: 18/974,327
Granted: Aug 4, 2026
Kind: B2

External Links

USPTO Patent Center↗ Full Patent PDF↗

Abstract

Embodiments disclose a display panel including a plurality of pixels, and a gate line and a data line that are connected to the plurality of pixels, wherein each of the plurality of pixels includes a 1-1 sub-pixel and a 1-2 sub-pixel of a first color, a 2-1 sub-pixel and a 2-2 sub-pixel of a second color, and a 3-1 sub-pixel and a 3-2 sub-pixel of a third color, wherein each of the 2-1 sub-pixel and the 2-2 sub-pixel includes a light-emitting element and a compensation circuit, and the compensation circuit of the 2-1 sub-pixel and the compensation circuit of the 2-2 sub-pixel are connected to one data line, and a display device including the same.

Claims (54)

1 . A display panel comprising:

a plurality of pixels; and

a gate line and a data line that are connected to the plurality of pixels,

wherein each of the plurality of pixels includes:

a 1-1 sub-pixel and a 1-2 sub-pixel of a first color;

a 2-1 sub-pixel and a 2-2 sub-pixel of a second color; and

a 3-1 sub-pixel and a 3-2 sub-pixel of a third color,

wherein each of the 2-1 sub-pixel and the 2-2 sub-pixel includes a light-emitting element and a compensation circuit,

the compensation circuit of the 2-1 sub-pixel and the compensation circuit of the 2-2 sub-pixel are connected to one data line,

the 1-1 sub-pixel includes a first compensation circuit connected to a first data line and the 1-2 sub-pixel includes a second compensation circuit connected to a second data line, and

the first compensation circuit of the 1-1 sub-pixel is connected to the first data line and a first low-potential line and the second compensation circuit of the 1-2 sub-pixel is connected to the second data line and a second low-potential line.

2 . The display panel of claim 1 , wherein each of the 3-1 sub-pixel and the 3-2 sub-pixel includes a compensation circuit and compensation circuits of the 3-1 sub-pixel and the 3-2 sub-pixel are connected to one data line.

3 . The display panel of claim 1 , wherein the first color is red, the second color is green, and the third color is blue.

4 . The display panel of claim 1 , wherein the plurality of pixels include:

a first pixel in which both the 2-1 sub-pixel and the 2-2 sub-pixel emit light when a data voltage is applied; and

a second pixel in which one of the 2-1 sub-pixel and the 2-2 sub-pixel emits light when the data voltage is applied.

5 . The display panel of claim 4 , wherein a data voltage applied to the 2-1 sub-pixel and the 2-2 sub-pixel of the second pixel is greater than a data voltage applied to the 2-1 sub-pixel and the 2-2 sub-pixel of the first pixel.

6 . The display panel of claim 4 , wherein the plurality of pixels include:

a third pixel in which both the 3-1 sub-pixel and the 3-2 sub-pixel emit light when a data voltage is applied; and

a fourth pixel in which one of the 3-1 sub-pixel and the 3-2 sub-pixel emits light when the data voltage is applied.

7 . The display panel of claim 6 , wherein a data voltage applied to the 3-1 sub-pixel and the 3-2 sub-pixel of the fourth pixel is greater than a data voltage applied to the 3-1 sub-pixel and the 3-2 sub-pixel of the third pixel.

8 . The display panel of claim 1 , comprising:

a first gate line to which the 1-1 sub-pixel, the 2-1 sub-pixel, and the 3-1 sub-pixel are connected; and

a second gate line to which the 1-2 sub-pixel, the 2-2 sub-pixel, and the 3-2 sub-pixel are connected.

9 . The display panel of claim 1 , wherein each of the 1-1 sub-pixel to the 3-2 sub-pixel includes an anode and a cathode that apply a voltage to the light-emitting element,

wherein anodes of the 1-1 sub-pixel to the 3-2 sub-pixel are separated from each other and cathodes of the 1-1 sub-pixel to the 3-2 sub-pixel are separated from each other.

10 . The display panel of claim 1 , wherein the compensation circuit of the 2-1 sub-pixel and the compensation circuit of the 2-2 sub-pixel have a same structure.

11 . The display panel of claim 1 , wherein the plurality of pixels include a plurality of first pixels in a first pixel line, and a plurality of second pixels in a second pixel line adjacent to the first pixel line,

each of the plurality of first pixels includes a first sub-pixel and a second sub-pixel of the second color,

each of the plurality of second pixels includes a third sub-pixel and a fourth sub-pixel of the second color,

the first sub-pixel of the first pixel includes a first low-potential power line connected to a first cathode of the first sub-pixel of the first pixel,

the third sub-pixel of the second pixel includes a third low-potential power line connected to a third cathode of the third sub-pixel of the second pixel,

the first low-potential power line extends toward the third sub-pixel,

the third low-potential power line extends toward the first sub-pixel, and

the first low-potential power line and the second third low-potential power line are electrically connected to each other.

12 . The display panel of claim 11 , wherein the first low-potential power line of the third sub-pixel of the second pixel is electrically connected to the compensation circuit of the first sub-pixel of the first pixel.

13 . A display device comprising:

a display panel including a plurality of pixels and a gate line and a data line that are connected to the plurality of pixels;

a gate driver connected to the gate line; and

a data driver connected to the data line,

wherein each of the plurality of pixels includes:

a 1-1 sub-pixel and a 1-2 sub-pixel of a first color;

a 2-1 sub-pixel and a 2-2 sub-pixel of a second color; and

a 3-1 sub-pixel and a 3-2 sub-pixel of a third color,

wherein each of the 2-1 sub-pixel and the 2-2 sub-pixel includes a light-emitting element and a compensation circuit,

the compensation circuit of the 2-1 sub-pixel and the compensation circuit of the 2-2 sub-pixel are connected to one data line,

the 1-1 sub-pixel includes a first compensation circuit connected to a first data line and the 1-2 sub-pixel includes a second compensation circuit connected to a second data line, and

14 . The display device of claim 13 , wherein each of the 3-1 sub-pixel and the 3-2 sub-pixel includes a compensation circuit, and compensation circuits of the 3-1 sub-pixel and the 3-2 sub-pixel are connected to one data line.

15 . The display device of claim 13 , wherein the first color is red, the second color is green, and the third color is blue.

16 . The display device of claim 13 , wherein the plurality of pixels include:

a first pixel in which both the 2-1 sub-pixel and the 2-2 sub-pixel emit light when a data voltage is applied; and

a second pixel in which one of the 2-1 sub-pixel and the 2-2 sub-pixel emits light when the data voltage is applied.

17 . The display device of claim 16 , wherein the data voltage applied to the 2-1 sub-pixel and the 2-2 sub-pixel of the second pixel is greater than the data voltage applied to the 2-1 sub-pixel and the 2-2 sub-pixel of the first pixel.