Patents by Inventor Aki Yamamiti

Aki Yamamiti 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).

  • Display device and manufacturing method thereof
    Patent number: 8164099
    Abstract: A display device with improved reliability and a manufacturing method of the same with improved yield. A display device according to the invention comprises a display area including a first electrode, an insulating layer covering an edge of the first electrode, a layer containing an organic compound, which is formed on the first electrode, and a second electrode. The first electrode and the insulating layer are doped with an impurity element of one conductivity.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: April 24, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Osamu Nakamura, Aki Yamamiti, Naoto Yamade
  • DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20100201655
    Abstract: A display device with improved reliability and a manufacturing method of the same with improved yield. A display device according to the invention comprises a display area including a first electrode, an insulating layer covering an edge of the first electrode, a layer containing an organic compound, which is formed on the first electrode, and a second electrode. The first electrode and the insulating layer are doped with an impurity element of one conductivity.
    Type: Application
    Filed: April 16, 2010
    Publication date: August 12, 2010
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei YAMAZAKI, Osamu NAKAMURA, Aki YAMAMITI, Naoto YAMADE
  • Display device and manufacturing method thereof
    Patent number: 7718463
    Abstract: A display device with improved reliability and a manufacturing method of the same with improved yield. A display device according to the invention comprises a display area including a first electrode, an insulating layer covering an edge of the first electrode, a layer containing an organic compound, which is formed on the first electrode, and a second electrode. The first electrode and the insulating layer are doped with an impurity element of one conductivity.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: May 18, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Osamu Nakamura, Aki Yamamiti, Naoto Yamade
  • Display device and manufacturing method thereof
    Publication number: 20080105877
    Abstract: A display device with improved reliability and a manufacturing method of the same with improved yield. A display device according to the invention comprises a display area including a first electrode, an insulating layer covering an edge of the first electrode, a layer containing an organic compound, which is formed on the first electrode, and a second electrode. The first electrode and the insulating layer are doped with an impurity element of one conductivity.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 8, 2008
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Osamu Nakamura, Aki Yamamiti, Naoto Yamade
  • Display device and manufacturing method thereof
    Patent number: 7314785
    Abstract: A display device with improved reliability and a manufacturing method of the same with improved yield. A display device according to the invention comprises a display area including a first electrode, an insulating layer covering an edge of the first electrode, a layer containing an organic compound, which is formed on the first electrode, and a second electrode. The first electrode and the insulating layer are doped with an impurity element of one conductivity.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: January 1, 2008
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Osamu Nakamura, Aki Yamamiti, Naoto Yamade
  • Display device and manufacturing method thereof
    Publication number: 20050087769
    Abstract: A display device with improved reliability and a manufacturing method of the same with improved yield. A display device according to the invention comprises a display area including a first electrode, an insulating layer covering an edge of the first electrode, a layer containing an organic compound, which is formed on the first electrode, and a second electrode. The first electrode and the insulating layer are doped with an impurity element of one conductivity.
    Type: Application
    Filed: October 20, 2004
    Publication date: April 28, 2005
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Osamu Nakamura, Aki Yamamiti, Naoto Yamade