Display device and electronic device including the same

Patent metadata

Field	Value
Publication number	US-12592185-B2
Application number	US-202519088435-A
Country	US
Kind code	B2
Filing date	Mar 24, 2025
Priority date	Apr 29, 2024
Publication date	Mar 31, 2026
Grant date	Mar 31, 2026

Abstract

A display device includes: a display panel including a first pixel circuit portion to drive a first light emitting diode to emit a first color; a second pixel circuit portion to drive a second light emitting diode to emit the first color; a third pixel circuit portion to drive a third light emitting diode to emit a second color; a fourth pixel circuit portion to drive a fourth light emitting diode to emit a third color; a fifth pixel circuit portion to drive a fifth light emitting diode to emit the first color; a sixth pixel circuit portion to drive a sixth light emitting diode to emit the first color; a seventh pixel circuit portion to drive a seventh light emitting diode to emit the second color; and an eighth pixel circuit portion to drive an eighth light emitting diode to emit the third color.

First claim

What is claimed is:

1 . A display device comprising:
a display panel comprising first, second, third, and fourth data lines, each extending in a first direction, and spaced from each other along a second direction crossing the first direction; and a data driver adjacent to the display panel in the first direction, and comprising first, second, and third amplifiers, wherein the display panel further comprises:
a first pixel circuit portion in a first pixel circuit area, connected to the first data line connected to the first amplifier, and configured to drive a first light emitting diode configured to emit a first color;
a second pixel circuit portion in a second pixel circuit area spaced from the first pixel circuit area in the second direction, connected to the second data line connected to the second amplifier, and configured to drive a second light emitting diode configured to emit the first color;
a third pixel circuit portion in a third pixel circuit area spaced from the second pixel circuit area in the second direction, connected to the third data line connected to the second amplifier, and configured to drive a third light emitting diode configured to emit a second color;
a fourth pixel circuit portion in a fourth pixel circuit area spaced from the third pixel circuit area in the second direction, connected to the fourth data line connected to the third amplifier, and configured to drive a fourth light emitting diode configured to emit a third color;
a fifth pixel circuit portion in a fifth pixel circuit area spaced from the first pixel circuit area in the first direction, connected to the first data line connected to the first amplifier, and configured to drive a fifth light emitting diode configured to emit the first color;
a sixth pixel circuit portion in a sixth pixel circuit area spaced from the second pixel circuit area in the first direction, connected to the second data line connected to the second amplifier, and configured to drive a sixth light emitting diode configured to emit the first color;
a seventh pixel circuit portion in a seventh pixel circuit area spaced from the third pixel circuit area in the first direction, connected to the third data line connected to the second amplifier, and configured to drive a seventh light emitting diode configured to emit the second color; and
an eighth pixel circuit portion in an eighth pixel circuit area spaced from the fourth pixel circuit area in the first direction, connected to the fourth data line connected to the third amplifier, and configured to drive an eighth light emitting diode configured to emit the third color.

2 . The display device of claim 1 , wherein the first light emitting diode overlaps with at least a portion of the first pixel circuit area in a plan view, and
wherein the second light emitting diode overlaps with at least a portion of the third pixel circuit area in a plan view.

3 . The display device of claim 2 , wherein the fifth light emitting diode overlaps with at least a portion of the fifth pixel circuit area in a plan view, and
wherein the sixth light emitting diode overlaps with at least a portion of the seventh pixel circuit area in a plan view.

4 . The display device of claim 1 , wherein the first color is a green color, the second color is a blue color, and the third color is a red color.

5 . The display device of claim 1 , wherein the first color is a green color, the second color is a red color, and the third color is a blue color.

6 . The display device of claim 1 , wherein no pixel circuit portion is located between the first data line and the second data line in a plan view, and
wherein at least one pixel circuit portion from among the first to eighth pixel circuit portions is located between the second data line and the third data line.

7 . The display device of claim 1 , wherein the first data line and the second data line are spaced from each other by a first length in the second direction, and
wherein the second data line and the third data line are spaced from each other by a second length greater than the first length in the second direction.

8 . The display device of claim 1 , wherein each of the first, second, third, fourth, fifth, sixth, seventh, and eighth light emitting diodes has a diamond shape in a plan view.

9 . The display device of claim 1 , further comprising:
demultiplexers between the display panel and the data driver; and a demultiplexer controller configured to drive the demultiplexers.

10 . The display device of claim 9 , wherein the demultiplexers comprise first, second, and third demultiplexers,
wherein the first demultiplexer is electrically connected to the first data line, wherein the second demultiplexer is electrically connected to the second data line and the third data line, and wherein the third demultiplexer is electrically connected to the fourth data line.

11 . The display device of claim 9 , further comprising:
a first clock signal line and a second clock signal line connected to the demultiplexer controller, and extending in the second direction.

12 . The display device of claim 11 , wherein the first clock signal line is electrically connected to the first data line and the second data line, and
wherein the second clock signal line is electrically connected to the third data line and the fourth data line.

13 . The display device of claim 12 , wherein the second amplifier is configured to alternately transmit data signals to the second data line and the third data line through the first clock signal line and the second clock signal line.

14 . An electronic device including: a display device; and
a processor that drives the display device, and wherein the display device includes:
a display panel comprising first, second, third, and fourth data lines, each extending in a first direction, and spaced from each other along a second direction crossing the first direction; and
a data driver adjacent to the display panel in the first direction, and comprising first, second, and third amplifiers,
wherein the display panel further comprises:
a first pixel circuit portion in a first pixel circuit area, connected to the first data line connected to the first amplifier, and configured to drive a first light emitting diode configured to emit a first color;
a second pixel circuit portion in a second pixel circuit area spaced from the first pixel circuit area in the second direction, connected to the second data line connected to the second amplifier, and configured to drive a second light emitting diode configured to emit the first color;
a third pixel circuit portion in a third pixel circuit area spaced from the second pixel circuit area in the second direction, connected to the third data line connected to the second amplifier, and configured to drive a third light emitting diode configured to emit a second color;
a fourth pixel circuit portion in a fourth pixel circuit area spaced from the third pixel circuit area in the second direction, connected to the fourth data line connected to the third amplifier, and configured to drive a fourth light emitting diode configured to emit a third color;
a fifth pixel circuit portion in a fifth pixel circuit area spaced from the first pixel circuit area in the first direction, connected to the first data line connected to the first amplifier, and configured to drive a fifth light emitting diode configured to emit the first color;
a sixth pixel circuit portion in a sixth pixel circuit area spaced from the second pixel circuit area in the first direction, connected to the second data line connected to the second

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Myeongeon
• Kwak Wonkyu
• Kim Jongseok
• Yoon Young-Soo
• Lee Kwangsae
• Lee Dong Eup

Classifications

• G09G2300/0819

  used for counteracting undesired variations, e.g. feedback or autozeroing · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G09G2300/0842

  forming a memory circuit, e.g. a dynamic memory with one capacitor · CPC title

• G09G2310/0297

  Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns · CPC title

• G09G2330/021

  Power management, e.g. power saving · CPC title