Display panel and electronic apparatus including the same

Patent metadata

Field	Value
Publication number	US-12588359-B2
Application number	US-202217979693-A
Country	US
Kind code	B2
Filing date	Nov 2, 2022
Priority date	Feb 9, 2022
Publication date	Mar 24, 2026
Grant date	Mar 24, 2026

Abstract

A display panel may include a transmissive area, a display area around the transmissive area, a plurality of light-emitting diodes in the display area, and a plurality of sub-pixel circuits electrically connected to the plurality of light-emitting diodes, respectively, and in the display area. Each of the sub-pixels may include a switching transistor electrically connected to a scan line that extends in a first direction, and electrically connected to a data line that extends in a second direction crossing the first direction, a driving transistor electrically connected to the switching transistor, a storage capacitor electrically connected to the driving transistor, and a conductive line extending in the first direction across a first sub-pixel arranged close to the transmissive area. The conductive line may be electrically connected to a voltage line passing across the first sub-pixel circuit.

First claim

What is claimed is:

1 . A display panel comprising:
a transmissive area; a display area around the transmissive area; a plurality of light-emitting diodes in the display area; a plurality of sub-pixel circuits electrically connected to the plurality of light-emitting diodes, respectively, and located in the display area, wherein each of the plurality of sub-pixel circuits comprises:
a switching transistor electrically connected to a scan line that extends in a first direction, and a data line that extends in a second direction crossing the first direction;
a driving transistor electrically connected to the switching transistor; and
a storage capacitor electrically connected to the driving transistor; and
a conductive line extending in the first direction across a first sub-pixel circuit arranged closest to the transmissive area relative to other sub-pixel circuits of the plurality of sub-pixel circuits across which the conductive line extends, wherein an end of the conductive line is electrically connected to an end of a voltage line passing across the first sub-pixel circuit.

2 . The display panel of claim 1 , wherein the voltage line comprises a horizontal driving voltage line extending in the first direction across the first sub-pixel circuit.

3 . The display panel of claim 2 , wherein the conductive line is at a same layer as the horizontal driving voltage line, and is connected as an integrated body with the horizontal driving voltage line.

4 . The display panel of claim 3 , further comprising a first organic insulating layer on the storage capacitor,
wherein the voltage line and the horizontal driving voltage line are on the first organic insulating layer.

5 . The display panel of claim 3 , wherein a connection portion of the conductive line and the horizontal driving voltage line is adjacent to the transmissive area.

6 . The display panel of claim 1 , wherein the conductive line is at a layer different from a layer at which the voltage line is located.

7 . The display panel of claim 6 , wherein the storage capacitor comprises a first capacitor electrode and a second capacitor electrode, wherein the first capacitor electrode overlaps a driving semiconductor of the driving transistor, and the second capacitor electrode overlaps the first capacitor electrode and is located over the first capacitor electrode, and
wherein the voltage line comprises an electrode voltage line extending in the first direction, and a portion of the electrode voltage line is the second capacitor electrode.

8 . The display panel of claim 7 , further comprising a conductive metal between a portion of the conductive line and a portion of the electrode voltage line,
wherein the portion of the conductive line is electrically connected to the portion of the electrode voltage line by the conductive metal.

9 . The display panel of claim 6 , wherein the voltage line comprises a vertical driving voltage line extending in the second direction across the first sub-pixel circuit.

10 . The display panel of claim 9 , further comprising a first organic insulating layer between the conductive line and the vertical driving voltage line,
wherein the conductive line is on the first organic insulating layer, and the vertical driving voltage line is under the first organic insulating layer.

11 . The display panel of claim 10 , wherein the conductive line is connected to the vertical driving voltage line through a contact hole in the first organic insulating layer near the transmissive area.

12 . An electronic apparatus comprising:
a display panel comprises a transmissive area and a display area around the transmissive area; and a component below a rear surface of the display panel and corresponding to the transmissive area, wherein the display panel comprises:
a plurality of light-emitting diodes in the display area;
a plurality of sub-pixel circuits electrically connected to the plurality of light-emitting diodes, respectively, and arranged in the display area, wherein each of the plurality of sub-pixel circuits comprises:
a switching transistor electrically connected to a scan line that extends in a first direction, and a data line that extends in a second direction crossing the first direction;
a driving transistor electrically connected to the switching transistor; and
a storage capacitor electrically connected to the driving transistor and comprising a first capacitor electrode and a second capacitor electrode; and

a conductive line extending in the first direction across a first sub-pixel circuit arranged closest to the transmissive area relative to other sub-pixel circuits of the plurality of sub-pixel circuits across which the conductive line extends,
wherein an end of the conductive line is electrically connected to an end of a voltage line passing across the first sub-pixel circuit.

13 . The electronic apparatus of claim 12 , wherein the display panel comprising:
a horizontal driving voltage line extending in the first direction and passing across the first sub-pixel circuit; a vertical driving voltage line extending in the second direction and passing across the first sub-pixel circuit; and an electrode voltage line extending in the first direction and comprising the second capacitor electrode of the storage capacitor.

14 . The electronic apparatus of claim 13 , wherein the horizontal driving voltage line crosses a portion of the vertical driving voltage line, and
the vertical driving voltage line crosses a portion of the electrode voltage line.

15 . The electronic apparatus of claim 14 , wherein the horizontal driving voltage line is connected to the vertical driving voltage line through a contact hole in an insulating layer between the horizontal driving voltage line and the vertical driving voltage line, and
the vertical driving voltage line is connected to the electrode voltage line through a contact hole in an insulating layer between the vertical driving voltage line and the electrode voltage line.

16 . The electronic apparatus of claim 13 , wherein the voltage line comprises the horizontal driving voltage line, and
the conductive line is at a same layer as the horizontal driving voltage line and connected as an integrated body with the horizontal driving voltage line.

17 . The electronic apparatus of claim 16 , wherein a connection portion of the conductive line and the horizontal driving voltage line is adjacent to the transmissive area.

18 . The electronic apparatus of claim 13 , wherein the voltage line comprises the electrode voltage line.

19 . The electronic apparatus of claim 18 , wherein the display panel further comprises a conductive metal between a portion of the conductive line and a portion of the electrode voltage line,
wherein the portion of the conductive line is electrically connected to the portion of the electrode voltage line by the conductive metal.

20 . The electronic apparatus of claim 13 , wherein the voltage line comprises the vertical driving voltage line.

21 . The electronic apparatus of claim 20 , wherein the conductive line is connected to the vertical driving voltage line through a contact hole in an insulating layer between the conductive line and the vertical driving voltage line near the transmissive area.

22 . The electronic apparatus of claim 12 , wherein the component comprises a sensor or a camera.

23 . An electronic apparatus comprising:
a display pane

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Daesuk
• Kim Yanghee
• Bang Hyunchol
• Yoon Youngsoo
• Youn Ilgoo
• Lee Bongwon
• Lee Soyoung
• Jung Sukyo

Classifications

• H10D86/481

  integrated with passive devices, e.g. auxiliary capacitors · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10K59/1216

  the pixel elements being capacitors · CPC title

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · CPC title