Patents by Inventor Mitsufumi Sogabe

Mitsufumi Sogabe 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).

  • Publication number: 20240094583
    Abstract: A liquid crystal display device includes at least one scanning signal line extending in a first direction, at least one data signal line intersecting with the at least one scanning signal line, and a pixel including a pixel electrode, a common electrode opposite the pixel electrode, and a liquid crystal layer. The common electrode includes a slit, and the slit is arranged in a region overlapping the pixel electrode, the slit includes a slit center portion extending in a straight line at a first angle with respect to the first direction, the at least one data signal line includes a portion adjacent to the slit center portion and extends at a second angle with respect to the first direction, and the first angle and the second angle are different.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 21, 2024
    Inventor: Mitsufumi SOGABE
  • Patent number: 11500250
    Abstract: A display device is provided and includes first signal line between first and second pixel areas in first direction; first switching element in first pixel area, first switching element including first relay electrode in first pixel area; second switching element in second pixel area, second switching element including second relay electrode in second pixel area; first pixel electrode in the first pixel area; and second pixel electrode in second pixel area, wherein first pixel electrode includes first connector, second pixel electrode includes second connector, first and second connectors are arranged in first direction with first signal line interposed therebetween, gap width between first connector and first signal line is different from gap width between first signal line and second connector, and gap width between first relay electrode and first signal line is different from gap width between first signal line and second relay electrode.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: November 15, 2022
    Assignee: Japan Display Inc.
    Inventors: Mitsufumi Sogabe, Yoshitaka Ozeki, Nobutaka Ozaki
  • Patent number: 10998347
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: May 4, 2021
    Assignee: JAPAN DISPLAY INC.
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Publication number: 20210116762
    Abstract: A display device is provided and includes first signal line between first and second pixel areas in first direction; first switching element in first pixel area, first switching element including first relay electrode in first pixel area; second switching element in second pixel area, second switching element including second relay electrode in second pixel area; first pixel electrode in the first pixel area; and second pixel electrode in second pixel area, wherein first pixel electrode includes first connector, second pixel electrode includes second connector, first and second connectors are arranged in first direction with first signal line interposed therebetween, gap width between first connector and first signal line is different from gap width between first signal line and second connector, and gap width between first relay electrode and first signal line is different from gap width between first signal line and second relay electrode.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 22, 2021
    Inventors: Mitsufumi SOGABE, Yoshitaka OZEKI, Nobutaka OZAKI
  • Patent number: 10877322
    Abstract: According to one embodiment, a display device including a first signal line positioned between a first and second pixel area, a common electrode, a first and second switching element, a first and second pixel electrode, wherein the first pixel electrode includes a first connector, the second pixel electrode includes a second connector and a second projection, the common electrode includes an opening, the first and second connector are arranged with the first signal line interposed therebetween, the second projection is disposed in the first direction between the first signal line and the second connector, and a first gap is different from a second gap.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: December 29, 2020
    Assignee: Japan Display Inc.
    Inventors: Mitsufumi Sogabe, Yoshitaka Ozeki, Nobutaka Ozaki
  • Publication number: 20200295049
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: JAPAN DISPLAY INC.
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Patent number: 10714505
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: July 14, 2020
    Assignee: JAPAN DISPLAY INC.
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Publication number: 20190258122
    Abstract: According to one embodiment, a display device including a first signal line positioned between a first and second pixel area, a common electrode, a first and second switching element, a first and second pixel electrode, wherein the first pixel electrode includes a first connector, the second pixel electrode includes a second connector and a second projection, the common electrode includes an opening, the first and second connector are arranged with the first signal line interposed therebetween, the second projection is disposed in the first direction between the first signal line and the second connector, and a first gap is different from a second gap.
    Type: Application
    Filed: February 15, 2019
    Publication date: August 22, 2019
    Inventors: Mitsufumi SOGABE, Yoshitaka OZEKI, Nobutaka OZAKI
  • Publication number: 20170294452
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Application
    Filed: June 28, 2017
    Publication date: October 12, 2017
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Patent number: 9721975
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: August 1, 2017
    Assignee: JAPAN DISPLAY INC.
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Publication number: 20150311228
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Application
    Filed: July 7, 2015
    Publication date: October 29, 2015
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Patent number: 9111808
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: August 18, 2015
    Assignee: JAPAN DISPLAY INC.
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Publication number: 20150028339
    Abstract: A semiconductor device including: one or more pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Application
    Filed: October 15, 2014
    Publication date: January 29, 2015
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Patent number: 8884919
    Abstract: Disclosed herein is a semiconductor device including: one or a plurality of pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: November 11, 2014
    Assignee: Japan Display West Inc.
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi
  • Publication number: 20120274612
    Abstract: Disclosed herein is a semiconductor device including: one or a plurality of pieces of first wiring having a main wiring section and a bifurcation wiring section; one or a plurality of pieces of second wiring having a trunk wiring section and a plurality of branch wiring sections within a gap region between the main wiring section and the bifurcation wiring section; one or a plurality of transistors each divided and formed into a plurality of pieces, the plurality of branch wiring sections individually functioning as a gate electrode and the one or plurality of transistors having a source region formed within the main wiring section and within the bifurcation wiring section and having a drain region formed between the plurality of branch wiring sections; and one or a plurality of pieces of third wiring electrically connected to the drain region of the one or plurality of transistors.
    Type: Application
    Filed: April 18, 2012
    Publication date: November 1, 2012
    Applicant: SONY CORPORATION
    Inventors: Mitsufumi Sogabe, Masaki Murase, Hiroshi Mizuhashi