IP Library › Granted Patent US 12,532,604
Granted Patent B2
US 12,532,604 · App. 17/730,504 · Granted Jan 20, 2026

Organic device, method of manufacturing the same, display device, photoelectric conversion device, electronic apparatus, illumination device, and moving body

Inventors: Hiroaki Naruse (Kanagawa, JP); Koji Ishizuya (Kanagawa, JP); Yojiro Matsuda (Kanagawa, JP); Takayuki Ito (Kanagawa, JP); Hiroaki Sano (Kanagawa, JP)
Assignee: CANON KABUSHIKI KAISHA
H10K59/1201H10K59/878H10K59/131H10K59/80515H10K59/876
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Quick Facts
Patent No.
US 12,532,604
App. No.
17/730,504
Granted
Jan 20, 2026
Kind
B2
Abstract

An organic device includes a reflective film arranged on a substrate, a plurality of lower electrodes arranged above the reflective film, an organic function film configured to cover the plurality of lower electrodes, and an upper electrode arranged on the organic function film. A potential difference between the upper electrode and the reflective film is lower than a threshold voltage at which the organic function film operates.

Claims (78)

1 . An organic device comprising:

a reflective film arranged on a substrate,

a first insulating film configured to cover the reflective film,

a plurality of lower electrodes arranged on the first insulating film,

a second insulating film configured to cover a peripheral portion of each of the plurality of lower electrodes and the first insulating film between the plurality of lower electrodes,

an organic function film configured to cover the plurality of lower electrodes and the second insulating film, and

an upper electrode arranged on the organic function film,

wherein the reflective film includes a plurality of reflective portions, the plurality of reflective portions including a first reflective portion for a first pixel and a second reflective portion for a second pixel,

wherein T1>T2 and ΔT1<ΔT2 are satisfied, where T1 represents a thickness of the first insulating film arranged on a central portion of the first reflective portion, T2 represents a thickness of the first insulating film arranged on a central portion of the second reflective portion, ΔT1 represents a difference in thickness between a peripheral portion and a central portion of the first insulating film respectively arranged on a peripheral portion and the central portion of the first reflective portion, and ΔT2 represents a difference in thickness between a peripheral portion and a central portion of the first insulating film respectively arranged on a peripheral portion and the central portion of the second reflective portion,

wherein the peripheral portion of the first reflective portion indicates a portion within a range of D1/8 from an end portion of the first reflective portion toward a barycenter of the first reflective portion, and the central portion of the first reflective portion indicates a portion within a range of D1/3 from the barycenter of the first reflective portion where D1 represents a distance from the barycenter of the first reflective portion to the end portion of the first reflective portion,

wherein the peripheral portion of the second reflective portion indicates a portion within a range of D2/8 from an end portion of the second reflective portion toward a barycenter of the second reflective portion, and the central portion of the second reflective portion indicates a portion within a range of D2/3 from the barycenter of the second reflective portion where D2 represents a distance from the barycenter of the second reflective portion to the end portion of the second reflective portion,

wherein each of the plurality of reflective portions is arranged under a corresponding one of the plurality of lower electrodes, and each of the plurality of lower electrodes and a corresponding one of the plurality of reflective portions are electrically connected to each other, and

wherein each of the plurality of lower electrodes extends to a corresponding one of a plurality of openings formed in the first insulating film, and is electrically connected, in the corresponding opening, to a peripheral portion of a corresponding one of the plurality of reflective portions.

2 . The organic device according to claim 1 , wherein the first insulating film includes a first film and a second film, the first film and the second film are arranged in the central portion of the first reflective portion, and not the first film but the second film is arranged in the central portion of the second reflective portion.

3 . The organic device according to claim 2 , wherein in a region where both the first film and the second film exist, the second film is arranged on the first film.

4 . The organic device according to claim 1 , wherein the first insulating film includes a first film, a second film, and a third film, the first film, the second film, and the third film are arranged in the central portion of the first reflective portion, not the first film but the second film and the third film are arranged in the central portion of the second reflective portion, and not the first film and the second film but the third film is arranged in the central portion of the third reflective portion.

5 . The organic device according to claim 1 , wherein the conductive layer is made of a material having a reflectance lower than a reflectance of the reflective film.

6 . The organic device according to claim 1 , wherein the reflective film includes a first reflective portion for a first pixel and a second reflective portion for a second pixel, and wherein a gap is provided at least between the first reflective portion and the second reflective portion.

7 . The organic device according to claim 1 , wherein the organic device is configured as a display device.

8 . A display image capturing device comprising:

an image capturing device; and

an organic device defined in claim 1 and configured as a display device,

wherein a displayed image on the display device is controlled based on line-of-sight information of a user provided from the image capturing device.

9 . An image capturing device comprising:

an optical unit having 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 captured by the image sensor,

wherein the display unit includes an organic device defined in claim 1 .

10 . An electronic apparatus comprising:

a display unit including an organic device defined in claim 1 ;

a housing provided with the display unit; and

a communication unit provided in the housing and configured to perform external communication.

11 . An illumination device comprising:

a light source including an organic device defined in claim 1 ; and

one of a light-diffusing unit and an optical film configured to transmit light emitted by the light source.

12 . A moving body comprising:

a lighting appliance including an organic device defined in claim 1 ; and

a main body provided with the lighting appliance.

13 . A moving body comprising:

a lighting appliance including an organic device defined in claim 1 ; and

a main body provided with the lighting appliance.

14 . An organic device comprising:

a reflective film arranged on a substrate,

a first insulating film configured to cover the reflective film,

a plurality of lower electrodes arranged on the first insulating film,

a second insulating film configured to cover a peripheral portion of each of the plurality of lower electrodes and the first insulating film between the plurality of lower electrodes,

an organic function film configured to cover the plurality of lower electrodes and the second insulating film, and

an upper electrode arranged on the organic function film,

wherein the reflective film includes a plurality of reflective portions, the plurality of reflective portions including a first reflective portion for a first pixel and a second reflective portion for a second pixel,

wherein T1>T2 and ΔT1<ΔT2 are satisfied, where Tl represents a thickness of the first insulating film arranged on a central portion of the first reflective portion, T2 represents a thickness of the first insulating film arranged on a central portion of the second reflective portion, ΔT1 represents a difference in thickness between a peripheral portion and a central portion of the first insulating film respectively arranged on a peripheral portion and the central portion of the first reflective portion, and ΔT2 represents a difference in thickness between a peripheral portion and a central portion of the first insulating film respectively arranged on a peripheral portion and the central portion of the second reflective portion,

wherein the peripheral portion of the first reflective portion indicates a portion within a range of D1/8 from an end portion of the first reflective portion toward a barycenter of the first reflective portion, and the central portion of the first reflective portion indicates a portion within a range of D1/3 from the barycenter of the first reflective portion where D1 represents a distance from the barycenter of the first reflective portion to the end portion of the first reflective portion,

wherein the peripheral portion of the second reflective portion indicates a portion within a range of D2/8 from an end portion of the second reflective portion toward a barycenter of the second reflective portion, and the central portion of the second reflective portion indicates a portion within a range of D2/3 from the barycenter of the second reflective portion where D2 represents a distance from the barycenter of the second reflective portion to the end portion of the second reflective portion,

wherein each of the plurality of reflective portions is arranged under a corresponding one of the plurality of lower electrodes, and each of the plurality of lower electrodes and a corresponding one of the plurality of reflective portions are electrically connected to each other, and

wherein in a plurality of peripheral portions including the peripheral portion of the first reflective portion and the peripheral portion of the second reflective portion, conductive layers are provided on the reflective film, and each of the plurality of lower electrodes is electrically connected to a corresponding one of the conductive layers.

15 . The organic device according to claim 14 , wherein the first insulating film includes a first film and a second film, the first film and the second film are arranged in the central portion of the first reflective portion, and not the first film but the second film is arranged in the central portion of the second reflective portion.

16 . The organic device according to claim 15 , wherein in a region where both the first film and the second film exist, the second film is arranged on the first film.

17 . The organic device according to claim 14 , wherein the first insulating film includes a first film, a second film, and a third film, the first film, the second film, and the third film are arranged in the central portion of the first reflective portion, not the first film but the second film and the third film are arranged in the central portion of the second reflective portion, and not the first film and the second film but the third film is arranged in the central portion of the third reflective portion.

18 . The organic device according to claim 14 , wherein each of the plurality of lower electrodes is electrically connected to a peripheral portion of a corresponding one of the plurality of reflective portions by a first conductive plug passing through the first insulating film.

19 . The organic device according to claim 14 , wherein the organic device is configured as a display device.

20 . A display image capturing device comprising:

an image capturing device; and

an organic device defined in claim 14 and configured as a display device,

wherein a displayed image on the display device is controlled based on line-of-sight information of a user provided from the image capturing device.

21 . An image capturing device comprising:

an optical unit having 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 captured by the image sensor,

wherein the display unit includes an organic device defined in claim 14 .

22 . An electronic apparatus comprising:

a display unit including an organic device defined in claim 14 ;

a housing provided with the display unit; and

a communication unit provided in the housing and configured to perform external communication.

23 . An illumination device comprising:

a light source including an organic device defined in claim 14 ; and

one of a light-diffusing unit and an optical film configured to transmit light emitted by the light source.

24 . A moving body comprising:

a lighting appliance including an organic device defined in claim 14 ; and

a main body provided with the lighting appliance.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2022
From: NARUSE, HIROAKI; ISHIZUYA, KOJI; MATSUDA, YOJIRO; ITO, TAKAYUKI; SANO, HIROAKI
To: CANON KABUSHIKI KAISHA
Reel/Frame 060329/0363 →
Priority Claims (2)
JP 2019-195526 · Oct 28, 2019 · national
JP 2020-163887 · Sep 29, 2020 · national
Continuity (2)
Continuation PCTJP2020039132 · Oct 16, 2020
Related Publication 20220255042A1 · Aug 11, 2022
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