公开(公告)号：US11672171B2

公开(公告)日：2023-06-06

申请号：US17202020

申请日：2021-03-15

Applicant: CANON KABUSHIKI KAISHA

Inventor： Norifumi Kajimoto ,  Tetsuo Takahashi ,  Koji Ishizuya ,  Itaru Takaya ,  Hirokazu Miyashita ,  Takayuki Ito ,  Hiroaki Sano

IPC: H10K85/60 ,  H10K50/13 ,  H10K50/17 ,  H10K50/818 ,  H10K50/18 ,  H10K50/82 ,  H10K50/852 ,  H10K50/15 ,  H10K59/30 ,  H10K39/32 ,  C07C211/01 ,  C07C211/43 ,  C07C211/00 ,  C07C211/33 ,  H10K59/38 ,  H10K50/16 ,  H01L27/146 ,  H10K102/00 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L27/30

CPC classification number: H01L51/006 ,  C07C211/00 ,  C07C211/01 ,  C07C211/33 ,  C07C211/43 ,  H01L27/307 ,  H01L27/3206 ,  H01L51/0061 ,  H01L51/504 ,  H01L51/5064 ,  H01L51/5088 ,  H01L51/5096 ,  H01L51/5218 ,  H01L51/5221 ,  H01L51/5265 ,  H01L27/14612 ,  H01L27/322 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/5315 ,  H01L2251/558

Abstract: A light-emitting device includes a plurality of organic EL elements. Each of the organic EL elements includes a reflection electrode, a hole transport region, an electron-trapping luminescent layer, and a light extraction electrode in this order. The hole transport region has a sheet resistance of 4.0×107 Ω/sq.⋅ or more at a current of 0.1 nA/pixel, and the total thickness of the hole transport region and the electron-trapping luminescent layer is equivalent to an optical path length enabling emission from the electron-trapping luminescent layer to be enhanced.

公开(公告)号：US20230114173A1

公开(公告)日：2023-04-13

申请号：US17938597

申请日：2022-10-06

Applicant: CANON KABUSHIKI KAISHA

Inventor： Hideshi Kuwabara ,  Tetsuo Takahashi

IPC: H01L51/52

Abstract: An organic light emitting element includes a reflection layer, a first electrode, an organic layer including a light emitting layer, and a second electrode, arranged in this order from a side of a substrate. The reflection layer includes a first portion having a first thickness and a second portion having a second thickness smaller than the first thickness. The first electrode overlaps with the second portion, and at least part of an edge of the first electrode overlaps with the second portion in a planar view with respect to the substrate.

公开(公告)号：US10833130B2

公开(公告)日：2020-11-10

申请号：US16369868

申请日：2019-03-29

Applicant: CANON KABUSHIKI KAISHA

Inventor： Koji Ishizuya ,  Tetsuo Takahashi

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/00

Abstract: A display device according to an embodiment of the present invention includes first and second electroluminescent elements on a substrate. The first and second electroluminescent elements each include a lower electrode, a functional layer including a light-emitting layer, an upper electrode, and a first or second color filter. The display device includes an overlapping region where the first and second color filters overlap each other in a plan view. Light transmitted through the first color filter has a higher luminosity factor than light transmitted through the second color filter. L2>L1, wherein L2 is the distance between the light-emitting region of the second electroluminescent element and the second color filter, and L1 is the distance between the light-emitting region of the first electroluminescent element and the first color filter.

公开(公告)号：US20190305050A1

公开(公告)日：2019-10-03

申请号：US16369868

申请日：2019-03-29

Applicant: CANON KABUSHIKI KAISHA

Inventor： Koji Ishizuya ,  Tetsuo Takahashi

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00

Abstract: A display device according to an embodiment of the present invention includes first and second electroluminescent elements on a substrate. The first and second electroluminescent elements each include a lower electrode, a functional layer including a light-emitting layer, an upper electrode, and a first or second color filter. The display device includes an overlapping region where the first and second color filters overlap each other in a plan view. Light transmitted through the first color filter has a higher luminosity factor than light transmitted through the second color filter. L2>L1, wherein L2 is the distance between the light-emitting region of the second electroluminescent element and the second color filter, and L1 is the distance between the light-emitting region of the first electroluminescent element and the first color filter.

公开(公告)号：US20160079544A1

公开(公告)日：2016-03-17

申请号：US14784333

申请日：2015-02-02

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yosuke Nishide ,  Jun Kamatani ,  Hiroki Ohrui ,  Yojiro Matsuda ,  Masanori Muratsubaki ,  Satoru Shiobara ,  Tetsuo Takahashi ,  Haruna Iida

IPC: H01L29/08

CPC classification number: H01L51/0067 ,  C07D209/86 ,  C07D213/22 ,  C07D213/26 ,  C07D213/30 ,  C07D213/38 ,  C07D213/61 ,  C07D213/64 ,  C07D221/04 ,  C07D235/18 ,  C07D249/08 ,  C07D251/24 ,  C07D271/107 ,  C07D311/86 ,  C07D333/76 ,  C07D335/16 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D413/14 ,  C07D471/04 ,  C07D471/06 ,  C07D493/06 ,  C09K11/06 ,  C09K2211/1029 ,  H01L27/3244 ,  H01L29/24 ,  H01L29/7869 ,  H01L51/0006 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0053 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/5076 ,  H01L51/5092 ,  H01L2251/308 ,  H01L2251/5361 ,  H01L2251/556 ,  H05B33/0896

Abstract: Provided is an organic light emitting element having stable performance in the air. The organic light emitting element includes: an anode; a cathode; and a first organic compound layer placed between the anode and the cathode, in which: the organic light emitting element further includes a first organic compound layer placed between the cathode and the emission layer, and a second organic compound layer placed between the emission layer and the first organic compound layer, and brought into contact with the first organic compound layer; the first organic compound layer contains a first organic compound; the second organic compound layer contains a second organic compound; and the first organic compound includes an organic compound represented by the following general formula [1], and the second organic compound includes an organic compound different from the first organic compound

Abstract translation: 提供了一种在空气中具有稳定性能的有机发光元件。 有机发光元件包括：阳极; 阴极 以及放置在阳极和阴极之间的第一有机化合物层，其中：有机发光元件还包括放置在阴极和发射层之间的第一有机化合物层，以及放置在发光层和发光层之间的第二有机化合物层 第一有机化合物层，并与第一有机化合物层接触; 第一有机化合物层含有第一有机化合物; 第二有机化合物层含有第二有机化合物; 并且第一有机化合物包括由以下通式[1]表示的有机化合物，第二有机化合物包括与第一有机化合物不同的有机化合物

公开(公告)号：US11687117B2

公开(公告)日：2023-06-27

申请号：US16995243

申请日：2020-08-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： Daisuke Okabayashi ,  Tetsuo Takahashi ,  Takashi Usui

IPC: G06F1/16 ,  H10K59/124 ,  B60K35/00 ,  H10K59/65 ,  H01L27/32

CPC classification number: G06F1/1605 ,  B60K35/00 ,  H01L27/3234 ,  H01L27/3258 ,  B60K2370/1523

Abstract: A semiconductor apparatus include a first electrode, an insulating layer covering an end of the first electrode, a functional layer arranged on the first electrode and the insulating layer, and a second electrode arranged above the functional layer, wherein, in a cross-section passing through the insulating layer, and the first electrode, the insulating layer includes a first portion having a side surface inclining at an angle of 45° or more and 90° or less, a second portion having a side surface inclining at an angle smaller than 45°, and a third portion below the first portion, and having a side surface inclining at an angle smaller than 45°, and wherein a length of the second portion in a direction vertical to the first electrode is larger than that of the third portion.

公开(公告)号：US20220130924A1

公开(公告)日：2022-04-28

申请号：US17501882

申请日：2021-10-14

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tetsuo Takahashi ,  Kentaro Suzuki ,  Takayuki Ito ,  Hiroaki Sano ,  Yojiro Matsuda

IPC: H01L27/32 ,  H04N5/225 ,  H04N5/232 ,  H01L51/52

Abstract: An apparatus including sub-pixels arranged on a substrate, the sub-pixels including a first, a second, and a third sub-pixels, each of the sub-pixels including a lower electrode, an insulating layer covering an end portion of the lower electrode, an organic layer, and an upper electrode in mentioned order starting from a side closer to the substrate, at least part of the organic layer being continuously arranged in at least two of regions between a position on a first lower electrode included in the first sub-pixel and a position on a second lower electrode included in the second sub-pixel, between the position on the second lower electrode and a position on a third lower electrode included in the third sub-pixel, and between the position on the third lower electrode and the position on the first lower electrode.

公开(公告)号：US20220013604A1

公开(公告)日：2022-01-13

申请号：US17358248

申请日：2021-06-25

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tetsuo Takahashi

IPC: H01L27/32 ,  H01L27/30 ,  H01L51/52

Abstract: An organic device comprising first and second electrodes above a main surface of a substrate, an insulator which includes a first portion arranged between the first and second electrodes and a second portion arranged to cover a peripheral portion of the first electrode and an organic layer is provided. An upper surface of the insulator which is between a vertex portion of the second portion and at least one of a third portion of the first electrode which is not covered by the insulator and the first portion includes a slope portion having angle 50° to 180° with respect to the main surface. An upper end of the slope portion is farther from the main surface than an upper surface of a charge generating layer of the organic layer, and is closer to the main surface than an upper surface of the organic layer.

公开(公告)号：US20210066411A1

公开(公告)日：2021-03-04

申请号：US17002565

申请日：2020-08-25

Applicant: CANON KABUSHIKI KAISHA

Inventor： Tetsuo Takahashi ,  Hiroaki Sano ,  Daisuke Okabayashi

IPC: H01L27/32 ,  H01L51/52

Abstract: A semiconductor device comprises an electrode on a substrate, an insulating layer covering an edge of the electrode and disposed on the substrate, and an organic layer comprising a charge transport layer on the electrode and insulating layer and a functional layer, wherein the insulating layer has a first portion forming an angle of 0° to 50° with respect to a surface parallel to a lower surface of the electrode, a second portion located closer to the substrate than the first portion and sloping at more than 50°, and a third portion located closer to the organic layer than the first portion and sloping at more than 50°, wherein a length of the third portion in a direction perpendicular to the parallel surface is larger than a thickness of the charge transport layer at a position in contact with the electrode.

公开(公告)号：US10541260B2

公开(公告)日：2020-01-21

申请号：US15578654

申请日：2016-05-24

Applicant: CANON KABUSHIKI KAISHA

Inventor： Jun Kamatani ,  Naoki Yamada ,  Masumi Itabashi ,  Yosuke Nishide ,  Hirokazu Miyashita ,  Tetsuya Kosuge ,  Satoru Shiobara ,  Tetsuo Takahashi ,  Akihiro Senoo ,  Kentaro Ito ,  Satoshi Ota

IPC: H01L31/062 ,  H01L27/146 ,  H01L51/00 ,  H01L27/30 ,  H01L51/42

Abstract: An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.