IP Library Granted Patent US 12672447
Granted Patent B2
US 12672447 · App. 18/447,332 · Granted Jun 30, 2026

Display device with peripheral wiring surounding sensor area

Inventor: Hiroumi Kinjo (Tokyo, JP)
Assignee: MAGNOLIA WHITE CORPORATION
H10K59/131H10K59/1213H10K59/80521H10K59/871H10K59/65H10K59/80516H10K59/873H10K59/88
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Quick Facts
Patent No.
US 12672447
App. No.
18/447,332
Granted
Jun 30, 2026
Kind
B2
Abstract

According to one embodiment, a display device comprises a substrate, pixel circuits, an insulating layer, first electrodes, an organic layer, linear second electrodes, a sensor area, a relay wire, and a first connection portion and a second connection portion. At least one of the second electrodes includes a first line portion and a second line portion separated via the sensor area in plan view. The relay wire is connected to the first line portion by the first connection portion and connected to the second line portion by the second connection portion.

Claims (79)

1 . A display device comprising:

a substrate;

a plurality of pixel circuits arranged above the substrate;

an insulating layer covering the plurality of pixel circuits;

a plurality of first electrodes arranged above the insulating layer and connected to the plurality of pixel circuits, respectively;

an organic layer arranged above the plurality of first electrodes;

a plurality of linear second electrodes arranged above the organic layer;

a sensor area opposed to a sensor overlaid with the substrate;

a relay wire arranged between the substrate and the insulating layer; and

a first connection portion and a second connection portion,

wherein

at least one of the plurality of second electrodes includes a first line portion and a second line portion separated via the sensor area in plan view,

the relay wire is connected to the first line portion by the first connection portion and connected to the second line portion by the second connection portion,

the sensor area is an area which includes the substrate and the insulating layer, and does not include at least one of the first electrode and the pixel circuit, and

the relay wire is constituted by a mesh metal wire crossing the sensor area.

2 . The display device of claim 1 , further comprising:

a plurality of dummy sub-pixels that are arranged around the sensor area and do not emit light.

3 . The display device of claim 2 , wherein

the first connection portion and the second connection portion are arranged in the dummy sub-pixels.

4 . The display device of claim 1 , wherein

the sensor includes at least one of a camera, a sensor for detecting ambient light, a sensor for detecting proximity of an object, and a sensor for detecting a fingerprint.

5 . A display device comprising:

a substrate;

a plurality of pixel circuits arranged above the substrate;

an insulating layer covering the plurality of pixel circuits;

a plurality of first electrodes arranged above the insulating layer and connected to the plurality of pixel circuits, respectively;

an organic layer arranged above the plurality of first electrodes;

a plurality of linear second electrodes arranged above the organic layer;

a sensor area opposed to a sensor overlaid with the substrate;

a relay wire arranged between the substrate and the insulating layer; and

a first connection portion and a second connection portion,

wherein

at least one of the plurality of second electrodes includes a first line portion and a second line portion separated via the sensor area in plan view,

the relay wire is connected to the first line portion by the first connection portion and connected to the second line portion by the second connection portion,

each of the first connection portion and the second connection portion comprises:

a contact hole penetrating the insulating layer; and

a conductive layer which is arranged on the insulating layer and connected to the relay wire through the contact hole,

the first line portion is in contact with the conductive layer of the first connection portion,

the second line portion is in contact with the conductive layer of the second connection portion,

the conductive layer of each of the first connection portion and the second connection portion is covered with the organic layer,

each of the first connection portion and the second connection portion further comprises a dividing structure dividing the organic layer and forming an exposed area in which a part of the conductive layer is exposed from the organic layer,

the first line portion is in contact with the conductive layer of the first connection portion through the exposed area formed by the dividing structure of the first connection portion, and

the second line portion is in contact with the conductive layer of the second connection portion through the exposed area formed by the dividing structure of the second connection portion.

6 . The display device of claim 5 , wherein

the dividing structure includes a partition arranged above the conductive layer, and

the partition includes an upper portion having a first width, and a lower portion having a second width smaller than the first width.

7 . The display device of claim 5 , further comprising:

a rib arranged above the insulating layer, wherein

the contact hole penetrates the insulating layer and the rib.

8 . A display device comprising:

a substrate;

a plurality of pixel circuits arranged above the substrate;

an insulating layer covering the plurality of pixel circuits;

a plurality of first electrodes arranged above the insulating layer and connected to the plurality of pixel circuits, respectively;

a rib arranged above the insulating layer,

an organic layer arranged above the plurality of first electrodes;

a plurality of linear second electrodes arranged above the organic layer; and

a sensor area opposed to a sensor overlaid with the substrate,

wherein

the sensor area is an area which includes the substrate and the insulating layer, and does not include at least one of the first electrode and the pixel circuit,

at least one of the plurality of second electrodes crosses the sensor area, and

the organic layer is not arranged in the sensor area, and an end portion of the organic layer is located on the rib.

9 . A display device comprising:

a substrate;

a plurality of pixel circuits arranged above the substrate;

an insulating layer covering the plurality of pixel circuits;

a plurality of first electrodes arranged above the insulating layer and connected to the plurality of pixel circuits, respectively;

an organic layer arranged above the plurality of first electrodes;

a plurality of linear second electrodes arranged above the organic layer;

a sensor area opposed to a sensor overlaid with the substrate; and

a conductive coating layer covering the sensor area,

wherein

the sensor area is an area which includes the substrate and the insulating layer, and does not include at least one of the first electrode and the pixel circuit,

the coating layer is connected to at least one of the plurality of second electrodes, and

the coating layer covers an entirety of the sensor area.

10 . The display device of claim 9 , wherein

the organic layer is arranged between the coating layer and the insulating layer, in the sensor area.

11 . The display device of claim 9 , wherein

the sensor area and the coating layer have a circular shape.