Patents by Inventor Kazuma Teramoto

Kazuma Teramoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10833138
    Abstract: An organic electroluminescence (EL) display panel having pixels arranged in a matrix of rows and columns includes: a substrate; pixel electrode layers that are made of a light-reflective material and are arranged on the substrate in the matrix; an insulating layer that is provided above the substrate and the pixel electrode layers; organic functional layers that are provided above the pixel electrode layers; and a light-transmissive counter electrode layer that is provided above the organic functional layers, wherein the insulating layer has a first opening and second openings for each of the pixel electrode layers, the first opening being elongated in a column direction, the second openings each being shorter than the first opening in the column direction and being lined up adjacent to the first opening, and the organic functional layers include light-emitting layers in which organic electroluminescence occurs in the first opening and the second openings.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: November 10, 2020
    Assignee: JOLED INC.
    Inventors: Kenichi Nendai, Jiro Yamada, Hideki Kobayashi, Kazuma Teramoto, Kaoru Abe
  • Patent number: 10743386
    Abstract: A display device includes a pixel including a plurality of sub-pixels. Each of the plurality of sub-pixels includes: a light-emission region; and a non-light-emission region other than the light-emission region. The light-emission region includes one or more effective light-emitting parts in which a first electrode, a light emitting layer, and a second electrode are stacked in order, and a light guide provided on side of the one or more effective light-emitting parts on which light is extracted.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: August 11, 2020
    Assignee: JOLED INC.
    Inventors: Kaoru Abe, Kazuma Teramoto, Toshiaki Imai, Jiro Yamada, Takahide Ishii, Hideki Kobayashi
  • Patent number: 10692946
    Abstract: An organic electroluminescence (EL) display panel includes pixels arranged in a matrix of rows and columns, and includes: a substrate; pixel electrode layers that are arranged on the substrate in the matrix; an insulating layer that is provided above the substrate and the pixel electrode layers, and has elongated openings and a grooved portion for each of the pixels, the openings extending in a column direction and being arranged in a row direction, the grooved portion having an upper opening and a bottom and being communicated with at least one of the openings in plan view; organic functional layers that are provided above the pixel electrode layers, and include light emitting layers in which organic electroluminescence occurs in the openings; and a light-transmissive counter electrode layer that is provided above the organic functional layers. Cross-sectional profiles of the openings taken along the row direction are uniform in the column direction.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: June 23, 2020
    Assignee: JOLED INC.
    Inventors: Jiro Yamada, Kazuma Teramoto, Kenichi Nendai, Kaoru Abe, Hideki Kobayashi, Hirotaka Nanno
  • Publication number: 20200161390
    Abstract: A display unit is provided with a plurality of pixels that are two-dimensionally arranged and each include an organic electroluminescence element emitting light of one of a plurality of colors. The pixels are arranged along one direction for each of light emission colors. The pixels each include a first insulating film, a second insulating film, and an organic layer. The first insulating film has openings for the respective pixels. The second insulating film extends along the arrangement direction for each of the light emission colors, in a region between pixels of different light emission colors, out of the plurality of pixels, on the first insulating film. The organic layer is formed in each of the openings, and includes a light-emitting layer. The first insulating film includes a recess that connects together the openings of pixels of the same light emission color, out of the plurality of pixels.
    Type: Application
    Filed: April 20, 2017
    Publication date: May 21, 2020
    Inventors: Kazuma TERAMOTO(deceased), Jiro YAMADA, Kenichi NENDAI, Kaoru ABE, Hideki KOBAYASHI
  • Patent number: 10615374
    Abstract: A display unit of the present disclosure includes: a plurality of pixels that are disposed in a regular manner; a plurality of first openings that are provided in each of the plurality of pixels; and one or more second openings that are provided in at least a portion of a peripheral edge of each of the plurality of pixels that are disposed in a regular manner.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: April 7, 2020
    Assignee: Sony Corporation
    Inventors: Kazuma Teramoto, Takahide Ishii, Kaoru Abe
  • Publication number: 20190214602
    Abstract: A display unit includes a plurality of pixels and a first insulating film. The plurality of pixels are arranged in matrix in a first direction and a second direction. The first insulating film is provided between adjacent pixels of the pixels, and has first openings in light-emitting regions of the respective pixels. The first insulating film has, between pixels adjacent in the second direction of the pixels, a second opening extending in the first direction, and a remaining part inside the second opening.
    Type: Application
    Filed: April 20, 2017
    Publication date: July 11, 2019
    Inventors: Kazuma TERAMOTO(deceased), Kenichi NENDAI, Jiro YAMADA, Hideki KOBAYASHI
  • Publication number: 20190206287
    Abstract: An organic electroluminescence (EL) display panel includes pixels arranged in a matrix of rows and columns. The pixels each include a lower layer, an inner insulating layer, an application-type functional layer, and an upper electrode that are layered in this order. The lower layer includes a lower electrode. The functional layer includes a light-emitting layer. The inner insulating layer has one or more openings in which the lower layer is exposed. The openings each have a width increasing toward the upper electrode and have a slope toward a periphery of the pixel. In plan view, the openings are constituted from a plurality of elongated opening pieces.
    Type: Application
    Filed: May 22, 2017
    Publication date: July 4, 2019
    Inventors: Hideki KOBAYASHI, Jiro YAMADA, Kaoru ABE, Kazuma TERAMOTO(deceased), Kenichi NENDAI
  • Publication number: 20190206957
    Abstract: An organic electroluminescence (EL) display panel includes pixels arranged in a matrix of rows and columns, and includes: a substrate; pixel electrode layers that are arranged on the substrate in the matrix; an insulating layer that is provided above the substrate and the pixel electrode layers, and has elongated openings and a grooved portion for each of the pixels, the openings extending in a column direction and being arranged in a row direction, the grooved portion having an upper opening and a bottom and being communicated with at least one of the openings in plan view; organic functional layers that are provided above the pixel electrode layers, and include light emitting layers in which organic electroluminescence occurs in the openings; and a light-transmissive counter electrode layer that is provided above the organic functional layers. Cross-sectional profiles of the openings taken along the row direction are uniform in the column direction.
    Type: Application
    Filed: May 17, 2017
    Publication date: July 4, 2019
    Inventors: Jiro YAMADA, Kazuma TERAMOTO(deceased), Kenichi NENDAI, Kaoru ABE, Hideki KOBAYASHI, Hirotaka NANNO
  • Publication number: 20190189715
    Abstract: An organic electroluminescence (EL) display panel having pixels arranged in a matrix of rows and columns includes: a substrate; pixel electrode layers that are made of a light-reflective material and are arranged on the substrate in the matrix; an insulating layer that is provided above the substrate and the pixel electrode layers; organic functional layers that are provided above the pixel electrode layers; and a light-transmissive counter electrode layer that is provided above the organic functional layers, wherein the insulating layer has a first opening and second openings for each of the pixel electrode layers, the first opening being elongated in a column direction, the second openings each being shorter than the first opening in the column direction and being lined up adjacent to the first opening, and the organic functional layers include light-emitting layers in which organic electroluminescence occurs in the first opening and the second openings.
    Type: Application
    Filed: June 1, 2017
    Publication date: June 20, 2019
    Inventors: Kenichi NENDAI, Jiro YAMADA, Hideki KOBAYASHI, Kazuma TERAMOTO(deceased), Kaoru ABE
  • Publication number: 20190097176
    Abstract: A display unit of the present disclosure includes: a plurality of pixels that are disposed in a regular manner; a plurality of first openings that are provided in each of the plurality of pixels; and one or more second openings that are provided in at least a portion of a peripheral edge of each of the plurality of pixels that are disposed in a regular manner.
    Type: Application
    Filed: October 29, 2018
    Publication date: March 28, 2019
    Inventors: Kazuma Teramoto, Takahide Ishii, Kaoru Abe
  • Publication number: 20190074471
    Abstract: A display unit is provided with a plurality of pixels. The plurality of pixels each include a first electrode, an insulating film, an organic layer, and a second electrode. The insulating film is provided on the first electrode, and has openings. The organic layer is provided in each of the openings of the insulating film, and includes a light-emitting layer. The second electrode is provided on the organic layer. The first electrode includes a plurality of sub-electrodes that are provided to face the respective openings of the insulating film.
    Type: Application
    Filed: November 7, 2018
    Publication date: March 7, 2019
    Inventors: Kaoru ABE, Jiro YAMADA, Kazuma TERAMOTO, Kenichi NENDAI, Hideki KOBAYASHI, Masaki NISHIMURA
  • Patent number: 10199606
    Abstract: A display unit of the present disclosure includes: a plurality of pixels that are disposed in a regular manner; a plurality of first openings that are provided in each of the plurality of pixels; and one or more second openings that are provided in at least a portion of a peripheral edge of each of the plurality of pixels that are disposed in a regular manner.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: February 5, 2019
    Assignee: Sony Corporation
    Inventors: Kazuma Teramoto, Takahide Ishii, Kaoru Abe
  • Patent number: 10068952
    Abstract: According to one embodiment, a display device includes, a first insulating film including a recess portion having a first bottom surface and an inclined first side surface, a first electrode provided on the recess portion, a second insulating film provided on the first electrode, a light-emitting layer provided in the second insulating film and including a second bottom surface in contact with the first electrode and an inclined second side surface, and a second electrode provided on the light-emitting layer. The depth of the recess portion is greater than the thickness of the light-emitting layer, and the thickness of the second insulating film is greater than the depth of the recess portion.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: September 4, 2018
    Assignee: JOLED INC.
    Inventors: Kazuma Teramoto, Kenichi Nendai, Jiro Yamada
  • Publication number: 20170338444
    Abstract: A display unit of the present disclosure includes: a plurality of pixels that are disposed in a regular manner; a plurality of first openings that are provided in each of the plurality of pixels; and one or more second openings that are provided in at least a portion of a peripheral edge of each of the plurality of pixels that are disposed in a regular manner.
    Type: Application
    Filed: November 11, 2015
    Publication date: November 23, 2017
    Inventors: KAZUMA TERAMOTO, TAKAHIDE ISHII, KAORU ABE
  • Publication number: 20170245342
    Abstract: A display device includes a pixel including a plurality of sub-pixels. Each of the plurality of sub-pixels includes: a light-emission region; and a non-light-emission region other than the light-emission region. The light-emission region includes one or more effective light-emitting parts in which a first electrode, a light emitting layer, and a second electrode are stacked in order, and a light guide provided on side of the one or more effective light-emitting parts on which light is extracted.
    Type: Application
    Filed: May 9, 2017
    Publication date: August 24, 2017
    Inventors: Kaoru ABE, Kazuma TERAMOTO, Toshiaki IMAI, Jiro YAMADA, Takahide ISHII, Hideki KOBAYASHI
  • Publication number: 20170213882
    Abstract: According to one embodiment, a display device includes, a first insulating film including a recess portion having a first bottom surface and an inclined first side surface, a first electrode provided on the recess portion, a second insulating film provided on the first electrode, a light-emitting layer provided in the second insulating film and including a second bottom surface in contact with the first electrode and an inclined second side surface, and a second electrode provided on the light-emitting layer. The depth of the recess portion is greater than the thickness of the light-emitting layer, and the thickness of the second insulating film is greater than the depth of the recess portion.
    Type: Application
    Filed: January 26, 2017
    Publication date: July 27, 2017
    Inventors: Kazuma TERAMOTO, Kenichi NENDAI, Jiro YAMADA
  • Patent number: 9331309
    Abstract: A display apparatus includes (A) a first substrate where a plurality of light emitting elements, which are formed by laminating a first electrode, a light emitting section which is configured by an organic layer provided with a light emitting layer, and a second electrode, are formed, and (B) a second substrate which is arranged to oppose the first substrate, in which the first substrate is further provided with a light reflecting layer formed of first members which propagate and output light from each light emitting element to an outside and second members placed between two first members, the first members have a truncated cone shape where a cutting head section opposes the light emitting element, a part of light propagated by the first members is completely reflected on opposing surfaces of the second members which oppose the first members.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: May 3, 2016
    Assignee: JOLED Inc.
    Inventors: Yasuyuki Kudo, Jiro Yamada, Yoko Yamaguchi, Yuichiro Ishiyama, Kazuma Teramoto, Takahide Ishii
  • Publication number: 20150188091
    Abstract: A display apparatus includes (A) a first substrate where a plurality of light emitting elements, which are formed by laminating a first electrode, a light emitting section which is configured by an organic layer provided with a light emitting layer, and a second electrode, are formed, and (B) a second substrate which is arranged to oppose the first substrate, in which the first substrate is further provided with a light reflecting layer formed of first members which propagate and output light from each light emitting element to an outside and second members placed between two first members, the first members have a truncated cone shape where a cutting head section opposes the light emitting element, a part of light propagated by the first members is completely reflected on opposing surfaces of the second members which oppose the first members.
    Type: Application
    Filed: November 25, 2014
    Publication date: July 2, 2015
    Inventors: Yasuyuki Kudo, Jiro Yamada, Yoko Yamaguchi, Yuichiro Ishiyama, Kazuma Teramoto, Takahide Ishii
  • Patent number: 6806206
    Abstract: A silver or silver alloy thin layer on a substrate is etched by an etching liquid uniformly without producing an etching residue while avoiding side etching due to over etching. The etching liquid contains silver ions in a range from 0.005 to 1 weight %. The etching liquid is fed to a tank or an etching liquid feeding apparatus, and then brought into contact with the silver or silver alloy thin layer on the substrate.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: October 19, 2004
    Assignees: Sony Corporation, St Liquid Crystal Display Corporation, Mitsubishi Chemical Corporation
    Inventors: Masaki Munakata, Hirohito Komatsu, Satoshi Kumon, Kazuma Teramoto, Nobuhiro Goda, Masakazu Motoi, Noriyuki Saitou, Toshiaki Sakakihara, Makoto Ishikawa
  • Publication number: 20030022518
    Abstract: A silver or silver alloy thin layer on a substrate is etched by an etching liquid uniformly without producing an etching residue while avoiding side etching due to over etching. The etching liquid contains silver ions in a range from 0.005 to 1 weight %. The etching liquid is fed to a tank or an etching liquid feeding apparatus, and then brought into contact with the silver or silver alloy thin layer on the substrate.
    Type: Application
    Filed: July 18, 2002
    Publication date: January 30, 2003
    Applicant: SONY CORPORATION; ST LIQUID CRYSTAL DISPLAY CORPORATION; and MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masaki Munakata, Hirohito Komatsu, Satoshi Kumon, Kazuma Teramoto, Nobuhiro Goda, Masakazu Motoi, Noriyuki Saitou, Toshiaki Sakakihara, Makoto Ishikawa