Display panel

Patent metadata

Field	Value
Publication number	US-10580835-B2
Application number	US-201816125562-A
Country	US
Kind code	B2
Filing date	Sep 7, 2018
Priority date	Feb 27, 2018
Publication date	Mar 3, 2020
Grant date	Mar 3, 2020

Abstract

A display panel includes: an active area and a peripheral area adjacent to the active area, wherein the active area includes a display area including a plurality of emitting pixels and a non-display area including a plurality of non-emitting pixels, an emitting pixel of the plurality of emitting pixels includes a light-emitting element, and a non-emitting pixel of the non-emitting pixels does not include any light-emitting element or includes a pseudo-light-emitting element that is not capable of emitting light.

First claim

What is claimed is:

1. A display panel comprising
an active area and a peripheral area adjacent to the active area,
wherein the active area comprises a display area including a plurality of emitting pixels and a non-display area including a plurality of non-emitting pixels,
an emitting pixel of the plurality of emitting pixels comprises a first pixel structure including a light-emitting element, and
a non-emitting pixel of the plurality of the non-emitting pixels comprises a second pixel structure without including any light-emitting element,
wherein a boundary between the non-display area and the display area comprises a first curved edge.

2. The display panel of claim 1 , wherein
the non-display area is adjacent to the display area.

3. The display panel of claim 1 , wherein
the first curved edge does not overlap an internal area of any of the plurality of emitting pixels or the plurality of non-emitting pixels in a plane view.

4. The display panel of claim 1 , further comprising:
a gate driver disposed in the peripheral area; and
a plurality of gate lines electrically connected to the gate driver,
wherein at least one of the plurality of gate lines extends in a first direction, crosses the first curved edge, and passes through the non-display area and the display area.

5. The display panel of claim 1 , further comprising
a substrate that has an asymmetric form with respect to a reference line.

6. The display panel of claim 5 , wherein
a boundary of the active area comprises the first curved edge and at least one second curved edge facing the first curved edge, and
the substrate comprises a third curved edge extending in parallel to the first curved edge.

7. The display panel of claim 6 , wherein
the peripheral area comprises: a first peripheral area adjacent to the display area; and a second peripheral area adjacent to the non-display area, and
the second peripheral area is electrically connected to a circuit board.

8. The display panel of claim 7 , wherein
the non-display area comprises a linear side facing the first curved edge, and
the linear side forms a boundary between the non-display area and the second peripheral area.

9. The display panel of claim 1 , wherein
the light-emitting element of the emitting pixel comprises:
a first transistor;
a first insulating layer having a first contact hole disposed on a conductive region of the first transistor;
a first connecting member electrically connected to the conductive region of the first transistor through the first contact hole;
a second insulating layer having a second contact hole disposed on the first connecting member;
a first pixel electrode electrically connected to the first connecting member through the second contact hole;
a third insulating layer having a first opening disposed on the first pixel electrode;
a first emission layer disposed in the first opening; and
a first common electrode disposed on the first emission layer,
wherein the non-emitting pixel of the plurality of the non-emitting pixels comprises a pseudo-light-emitting element that is not capable of emitting light, and the pseudo-light-emitting element comprises a configuration of the light-emitting element of the emitting pixel excluding at least one of constituent elements of the light-emitting element of the emitting pixel among: a second transistor; a third contact hole formed in the first insulating layer and disposed on a conductive region of the second transistor; a second connecting member electrically connected to the conductive region of the second transistor through the third contact hole; a fourth contact hole formed in the second insulating layer and disposed on the second connecting member; a second pixel electrode electrically connected to the second connecting member through the fourth contact hole; a second opening formed in the third insulating layer and disposed on the second pixel electrode; a second emission layer disposed in the second opening; and a second common electrode disposed on the second emission layer.

10. A display panel comprising
an active area and a peripheral area adjacent to the active area,
wherein the active area comprises a display area including a plurality of emitting pixels, and a non-display area including a plurality of non-emitting pixels,
an emitting pixel of the plurality of emitting pixels comprises a light-emitting element for emitting light, and
a non-emitting pixel of the plurality of non-emitting pixels comprises a pseudo-light-emitting element that is not capable of emitting light.

11. The display panel of claim 10 , wherein
the non-emitting pixel comprises:
a transistor;
a pixel electrode electrically connected to the transistor;
a first insulating layer disposed on the pixel electrode; and
a common electrode disposed on the first insulating layer, and
an entire upper surface of the pixel electrode is covered by the first insulating layer.

12. The display panel of claim 10 , wherein
the non-emitting pixel comprises:
a transistor;
a first insulating layer disposed on the transistor;
a second insulating layer disposed on the first insulating layer and including an opening;
an emission layer disposed in the opening; and
a common electrode disposed on the emission layer,
wherein an entire lower surface of the emission layer contacts an upper surface of the first insulating layer.

13. The display panel of claim 10 , wherein
the non-emitting pixel comprises:
a transistor;
a pixel electrode electrically connected to the transistor;
a first insulating layer having an opening overlapping the pixel electrode; and
a common electrode disposed on the pixel electrode,
wherein, in the opening, an upper surface of the pixel electrode contacts the common electrode.

14. The display panel of claim 10 , wherein
the non-emitting pixel comprises:
a plurality of transistors;
a first insulating layer disposed on the plurality of transistors;
a pixel electrode disposed on the first insulating layer;
an emission layer disposed on the pixel electrode; and
a common electrode disposed on the emission layer, and
the pixel electrode is not electrically connected to the transistors.

15. The display panel of claim 10 , wherein
the non-emitting pixel comprises:
a transistor;
a pixel electrode electrically connected to the transistor; and
an emission layer disposed on the pixel electrode,
wherein an upper surface of the emission layer is not electrically connected to any electrodes.

16. A display panel comprising
a display area including a plurality of emitting pixels, and a non-display area adjacent to the display area and including a plurality of non-emitting pixels,
wherein an emitting pixel of the plurality of emitting pixels and a non-emitting pixel of the plurality of non-emitting pixels respectively comprise:
a substrate;
a transistor disposed on the substrate;
a common electrode disposed on the transistor; and
a first layer for contacting an upper surface of the common electrode,
wherein the emitting pixel comprises a first pixel electrode, and the non-emitting pixel comprises a second pixel electrode.

17. The display panel of claim 16 , wherein
the emitting pixel further comprises a first emission layer contacting an upper surface of the first pixel electrode and a lower surface of the common electrode,
the first pixel electrode of the emitting pixel is electrically connected to the transistor,
the second pixel electrode of the non-emitting pixel is electrically connected to the transistor, an

Assignees

• Samsung Display Co Ltd

Inventors

• An Jin Sung
• Sung Seung Woo
• Son Se Wan
• Lee Wang Woo
• Lee Ji Seon

Classifications

• G09G3/3208

  organic, e.g. using organic light-emitting diodes [OLED] · CPC title

• G09G3/3266

  Details of drivers for scan electrodes · CPC title

• G09G2310/0232

  Special driving of display border areas · CPC title

• H01L51/0096

  Electricity · mapped topic

• H01L51/5253

  Electricity · mapped topic