Organic device, image forming device, display device, photoelectric conversion device, electronic apparatus, illumination device, moving body, and wearable device
An organic device comprising a pixel region in which pixels are arranged, a peripheral region including a pad electrode, and a sealing layer arranged to cover the pixel and peripheral regions, is provided. In the peripheral region, an opening of the sealing layer is formed. The opening comprises a first portion extending from a plane defined by an upper surface of the sealing layer towards the pad electrode, and a second portion which has an outer edge inside outer edges of the first portion and the pad electrode and opens from a lower end of the first portion to the pad electrode. A conductive particle for electrical connection to an electrode is arranged on the pad electrode, and a diameter of the conductive particle is larger than a height of the second portion.
1 . An organic device, comprising:
a substrate having a main surface comprising a pixel region and a peripheral region;
and a sealing layer arranged to cover the pixel region and the peripheral region, the sealing layer comprising a first layer and a second layer arranged between the first layer and the main surface;
the pixel region comprising a plurality of pixels including an organic function layer arranged therein;
the peripheral region including a pad electrode;
the sealing layer having a stepped opening in the peripheral region which exposes the pad electrode, the stepped opening comprising a first portion extending from a plane defined by an upper surface of the sealing layer towards the pad electrode, and a second portion which has an outer edge inside an outer edge of the first portion and an outer edge of the pad electrode in an orthogonal projection to the main surface, and which opens from a lower end of the first portion to the pad electrode; and
a conductive particle configured to electrically connect to an electrode arranged outside the organic device being arranged on the pad electrode, wherein
a diameter of the conductive particle is larger than a height of the second portion,
the outer edge of the first portion is defined by an inner edge of an opening formed in the first layer, and
the outer edge of the first portion is arranged outside the outer edge of the pad electrode in an orthogonal projection to the main surface.
2 . The organic device according to claim 1 , wherein the conductive particle is contained in an anisotropic conductive film.
3 . The organic device according to claim 1 , wherein the first portion opens in the first layer and the second portion opens in the second layer.
4 . The organic device according to claim 3 , wherein the sealing layer further comprises a third layer arranged between the second layer and the main surface and formed using a material different from the second layer, and the second portion opens in the second layer and the third layer.
5 . The organic device according to claim 4 , wherein the second layer has a lower defect density than each of the first layer and the third layer.
6 . The organic device according to claim 4 , wherein the first layer and the third layer use the same material.
7 . The organic device according to claim 1 , comprising an insulating layer that covers the pixel region and the peripheral region;
the insulating layer being arranged between the organic function layer and the main surface in the pixel region; and
the insulating layer being arranged between the sealing layer and the main surface in the peripheral region, wherein
an opening is formed in the insulating layer, and
an outer edge of the opening of the insulating layer is arranged outside the outer edge of the second portion in an orthogonal projection to the main surface.
8 . The organic device according to claim 4 , comprising an insulating layer that covers the pixel region and the peripheral region;
the insulating layer being arranged between the organic function layer and the main surface in the pixel region,
the insulating layer being arranged between the sealing layer and the main surface in the peripheral region, wherein
an opening is formed in the insulating layer,
an outer edge of the opening of the insulating layer is arranged outside the outer edge of the second portion in an orthogonal projection to the main surface, and
water permeability of the third layer is lower than water permeability of the insulating layer.
9 . The organic device according to claim 1 , wherein the pad electrode includes a first pad electrode and a second pad electrode that are adjacent to each other, and
the first portion formed in correspondence with the first pad electrode and the first portion formed in correspondence with the second pad electrode are formed continuously.
10 . The organic device according to claim 1 , wherein a resin layer is further arranged on the sealing layer,
an opening for exposing the pad electrode is formed in the resin layer in the peripheral region, and
an outer edge of the opening of the resin layer is arranged outside the outer edge of the second portion in an orthogonal projection to the main surface.
11 . The organic device according to claim 10 , wherein the outer edge of the opening of the resin layer is arranged to overlap the outer edge of the first portion in an orthogonal projection to the main surface.
12 . The organic device according to claim 1 , comprising a color filter arranged above the resin layer in the pixel region.
13 . The organic device according to claim 1 , wherein the organic function layer contains an organic light emitting material.
14 . The organic device according to claim 1 , wherein the organic function layer contains an organic photoelectric conversion material.
15 . The organic device according to claim 1 , wherein the plurality of pixels are arranged along a longitudinal direction of the substrate.
16 . An image forming device comprising a photosensitive member, an exposure light source configured to expose the photosensitive member, a developing device configured to apply a developing agent to the exposed photosensitive member, and a transfer device configured to transfer an image developed by the developing device to a print medium, wherein
the exposure light source comprises the organic device according to claim 1 .
17 . A display device comprising the organic device according to claim 1 , and an active element connected to the organic device.
18 . A photoelectric conversion device comprising an optical unit including a plurality of lenses, an image sensor configured to receive light having passed through the optical unit, and a display unit configured to display an image, wherein
the display unit is configured to display an image captured by the image sensor, and comprises the organic device according to claim 1 .
19 . An electronic apparatus comprising a housing provided with a display unit, and a communication unit provided in the housing and configured to perform external communication, wherein
the display unit comprises the organic device according to claim 1 .
20 . An illumination device comprising a light source, and at least one of a light diffusing unit and an optical film, wherein
the light source comprises the organic device according to claim 1 .
21 . A moving body comprising a main body, and a lighting appliance provided in the main body, wherein
the lighting appliance comprises the organic device according to claim 1 .
22 . A wearable device comprising a display device configured to display an image, wherein
the display device comprises the organic device according to claim 1 .
23 . The organic device according to claim 1 , wherein the second layer is formed using a material different from the first layer.
24 . The organic device according to claim 1 , wherein the substrate is a glass or semiconductor substrate.