Display apparatus and electronic device including a first auxiliary pixel electrode and a second auxiliary pixel electrode having an elliptical shape

Patent metadata

Field	Value
Publication number	US-12376465-B2
Application number	US-202217750089-A
Country	US
Kind code	B2
Filing date	May 20, 2022
Priority date	Aug 5, 2021
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

Provided are a display apparatus includes: a substrate having a main display region, a first auxiliary display region adjacent to the main display region in a first direction, a second auxiliary display region spaced apart from the main display region having the first auxiliary display region therebetween, an intermediate display region adjacent to the first auxiliary display region and the second auxiliary display region; a first auxiliary pixel electrode arranged in the first auxiliary display region and having an elliptical shape having a long axis and a short axis; a second auxiliary pixel electrode arranged in the second auxiliary display region; and a first auxiliary pixel circuit and a second auxiliary pixel circuit arranged in the intermediate display region and respectively electrically connected to the first auxiliary pixel electrode and the second auxiliary pixel electrode, wherein a long axis of the first auxiliary pixel electrode extends in a second direction intersecting with the first direction.

First claim

What is claimed is:

1. A display apparatus comprising:
a substrate having a main display region, a first auxiliary display region adjacent to the main display region in a first direction, a second auxiliary display region spaced apart from the main display region having the first auxiliary display region therebetween, and an intermediate display region adjacent to the first auxiliary display region and the second auxiliary display region;
a first auxiliary pixel electrode arranged in the first auxiliary display region and having an elliptical shape having a long axis and a short axis;
a second auxiliary pixel electrode arranged in the second auxiliary display region and having an elliptical shape having a long axis and a short axis; and
a first auxiliary pixel circuit and a second auxiliary pixel circuit arranged in the intermediate display region and respectively electrically connected to the first auxiliary pixel electrode and the second auxiliary pixel electrode,
wherein a long axis of the first auxiliary pixel electrode extends in a second direction intersecting with the first direction.

2. The display apparatus of claim 1 , wherein an extension direction of a long axis of the second auxiliary pixel electrode intersects with an extension direction of the long axis of the first auxiliary pixel electrode.

3. The display apparatus of claim 2 , wherein the long axis of the second auxiliary pixel electrode extends in the first direction.

4. The display apparatus of claim 1 , further comprising a first connection wire electrically connecting the first auxiliary pixel circuit and the first auxiliary pixel electrode to each other,
wherein the first connection wire is connected to the first auxiliary pixel electrode via a first contact portion arranged on one side of the first auxiliary pixel electrode.

5. The display apparatus of claim 4 , further comprising a pixel defining layer including a first opening exposing a portion of the first auxiliary pixel electrode,
wherein the first opening of the pixel defining layer does not overlap the first contact portion in a plan view.

6. The display apparatus of claim 5 , wherein the first auxiliary display region comprises a 1-1 region arranged on one side and a 1-2 region arranged on the other side with respect to a virtual center line extending in the first direction,
the first auxiliary pixel electrode is provided as a plurality of first auxiliary pixel electrodes, and the plurality of first auxiliary pixel electrodes comprises a 1-1 auxiliary pixel electrode arranged in the 1-1 region and a 1-2 auxiliary pixel electrode arranged in the 1-2 region, and
the first opening is provided as a plurality of first openings of the pixel defining layer, and the plurality of first openings comprises a 1-1 opening overlapping the 1-1 auxiliary pixel electrode and a 1-2 opening overlapping the 1-2 auxiliary pixel electrode, wherein a center of the 1-1 opening is spaced apart from a short axis of the 1-1 auxiliary pixel electrode in the second direction, and a center of the 1-2 opening is spaced apart from a short axis of the 1-2 auxiliary pixel electrode in a direction opposite to the second direction.

7. The display apparatus of claim 2 , further comprising a second connection wire electrically connecting the second auxiliary pixel circuit and the second auxiliary pixel electrode to each other,
wherein the second connection wire is connected to the second auxiliary pixel electrodes via a second contact portion arranged on one side of the second auxiliary pixel electrode.

8. The display apparatus of claim 7 , further comprising a pixel defining layer including a second opening exposing a portion of the second auxiliary pixel electrode,
wherein the second opening of the pixel defining layer does not overlap the second contact portion in a plan view.

9. The display apparatus of claim 8 , wherein the second auxiliary pixel electrode is provided as a plurality of second auxiliary pixel electrodes, the plurality of second auxiliary pixel electrodes comprises a 2-1 auxiliary pixel electrode arranged in a first row and a 2-2 auxiliary pixel electrode arranged in a second row adjacent to the first row,
the second connection wire is provided as a plurality of second connection wires, the plurality of second connection wires comprises a 2-1 connection wire electrically connected to the 2-1 auxiliary pixel electrode via a 2-1 contact portion and a 2-2 connection wire electrically connected to the 2-2 auxiliary pixel electrode via a 2-2 contact portion, and
the 2-1 contact portion is spaced apart from a short axis of the 2-1 auxiliary pixel electrode in the first direction, and the 2-2 contact portion is spaced apart from a short axis of the 2-2 auxiliary pixel electrode in a direction opposite to the first direction.

10. The display apparatus of claim 1 , further comprising a main pixel electrode arranged in the main display region,
a main pixel circuit arranged in the main display region and electrically connected to the main pixel electrode,
an intermediate pixel electrode arranged in the intermediate display region, and
an intermediate pixel circuit arranged in the intermediate display region and electrically connected to the intermediate pixel electrode.

11. The display apparatus of claim 1 , further comprising an intermediate layer on the first auxiliary pixel electrode and the second auxiliary pixel electrode, and
a counter electrode arranged on the intermediate layer and covering the first auxiliary pixel electrode and the second auxiliary pixel electrode.

12. An electronic device comprising:
a display apparatus comprising a main display region, a first auxiliary display region adjacent to the main display region in a first direction, a second auxiliary display region spaced apart from the main display region having the first auxiliary display region therebetween, and an intermediate display region arranged adjacent to the first auxiliary display region and the second auxiliary display region; and
an electronic component arranged to overlap a transmissive region provided in the first auxiliary display region and the second auxiliary display region,
wherein the display apparatus comprises:
a first auxiliary pixel electrode arranged in the first auxiliary display region and having an elliptical shape having a long axis and a short axis;
a second auxiliary pixel electrode arranged in the second auxiliary display region and having an elliptical shape having a long axis and a short axis; and
a first auxiliary pixel circuit and a second auxiliary pixel circuit arranged in the intermediate display region and respectively electrically connected to the first auxiliary pixel electrode and the second auxiliary pixel electrode;
wherein a long axis of the first auxiliary pixel electrode extends in a second direction intersecting with the first direction.

13. The electronic device of claim 12 , wherein an extension direction of a long axis of the second auxiliary pixel electrode intersects with an extension direction of the long axis of the first auxiliary pixel electrode.

14. The electronic device of claim 13 , wherein the long axis of the second auxiliary pixel electrode extends in the first direction.

15. The electronic device of claim 12 , further comprising a first connection wire electrically connecting the first auxiliary pixel circuit and the first auxiliary pixel electrode to each other,
wherein the first connection wire is connected to the first auxiliary pixel electrode via a first contact portion arranged on one side of the first auxiliary pixel electrode.

Assignees

• Samsung Display Co Ltd

Inventors

• Lee Wonse
• Jang Donghyeon
• Jeon Yujin

Classifications

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• H10K2102/311

  Flexible OLED · CPC title

• H10K77/111

  Flexible substrates · CPC title

• H10K59/1213

  the pixel elements being TFTs · CPC title