Patents by Inventor Toshihiro Sato
Toshihiro Sato 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: 20170194393Abstract: A display device includes an element substrate including a display area where a plurality of self-light-emitting elements are formed, and a driver IC disposed outside the display area in the element substrate. A first metal layer is disposed on the reverse side of the element substrate at a position opposite to the display area. A second metal layer is disposed with a space between the first metal layer and the second metal layer on the reverse side of the element substrate at a position opposite to the driver IC.Type: ApplicationFiled: March 17, 2017Publication date: July 6, 2017Inventors: Ryoichi ITO, Toshihiro SATO
-
Publication number: 20170186983Abstract: A display module includes an insulating substrate and a plurality of pixels each located on the insulating substrate and including a light-emitting element layer. The insulating substrate includes a display area where the plurality of pixels are disposed, a picture-frame area outside the display area, an outer area that is in contact with an opposite side of the picture-frame area from the display area, and a plurality of terminals located on the outer area and arranged in a direction. The outer area includes a narrowed portion whose length in the direction is shorter than a length of the display area in the direction.Type: ApplicationFiled: December 20, 2016Publication date: June 29, 2017Applicant: Japan Display Inc.Inventors: Kazuhiro ODAKA, Toshihiro SATO, Masamitsu FURUIE
-
Patent number: 9692014Abstract: A display device includes a substrate; a transistor provided on the substrate; a first insulating film provided on the substrate and the transistor; a second insulating film provided on the first insulating film; an individual pixel electrode provided on the second insulating film; a light emitting layer provided on the individual pixel electrode; a common electrode provided on the light emitting layer; and a contact hole running through the first insulating film and the second insulating film and connecting a source or a drain of the transistor with the pixel electrode. The second insulating film has at least one recessed portion reaching the first insulating film; and the individual pixel electrode is provided along a top surface of the second insulating film and the first recessed portion.Type: GrantFiled: March 2, 2016Date of Patent: June 27, 2017Assignee: Japan Display Inc.Inventors: Ryoichi Ito, Toshihiro Sato, Shigeru Sakamoto
-
Patent number: 9692001Abstract: The display device includes a first organic electroluminescence element which includes an anode and a cathode which form a pair, and a light emitting layer which is formed between the anode and the cathode on a substrate. The light emitting layer includes a plurality of sub-light emitting layers which perform light emitting of colors which are respectively different. Each of the plurality of sub-light emitting layers is doped with a quantum dot light emitting material corresponding to a color to be emitted. A current with current density corresponding to a position of a sub-light emitting layer of a desired color among the plurality of sub-light emitting layers is injected to the light emitting layer, and the sub-light emitting layer of the desired color performs light emitting.Type: GrantFiled: August 28, 2015Date of Patent: June 27, 2017Assignee: Japan Display Inc.Inventors: Hironori Toyoda, Toshihiro Sato
-
Patent number: 9691831Abstract: An organic electroluminescent display device of the invention includes a substrate on which a plurality of pixels are disposed in a matrix, an under layer that includes an organic insulating film and lower electrodes, a pixel separation film that is provided on the under layer so as to project therefrom, and an organic layer that covers the top of the under layer and the top of the pixel separation film and includes at least a light-emitting layer. A first adhesive film formed of one or more kinds of substances selected from the group consisting of amorphous carbon, diamond-like carbon, silicon, gallium, germanium, graphite oxide, and silicon carbide is formed at least partially between the top of the under layer and the pixel separation film or between the pixel separation film and the organic layer.Type: GrantFiled: May 11, 2015Date of Patent: June 27, 2017Assignee: Japan Display Inc.Inventor: Toshihiro Sato
-
Publication number: 20170179207Abstract: How a flat panel display is bent by external forces is controlled. A display panel 40 has display elements, formed corresponding to the arrangement of pixels, on a first principal surface of a flexible display panel substrate 46. The display panel substrate 46 has a linear groove 48 on at least part of a second principal surface of the display panel substrate 46. A resin is stacked on a support substrate having a linear ridge on at least part of the surface of the support substrate. The surface shape of the support substrate is transferred to the resin so that the groove 48 is molded. Thus, the display panel substrate 46 made of the resin is formed on the support substrate. After the display elements are formed on the display panel substrate 46, the support substrate is removed from the display panel substrate 46.Type: ApplicationFiled: March 1, 2017Publication date: June 22, 2017Inventors: Toshihiro SATO, Tohru SASAKI
-
Publication number: 20170179206Abstract: In a display device, light emitting areas and colored areas each have a predetermined planar shape having no rotational symmetry so that rotation of the area by an angle greater than or equal to 0° but smaller than 360° does not produce an initial shape of the area and are so arranged as to have different types of rotation angle. The colored areas are grouped based on a set of the colored areas of colors different from one another to forma plurality of full-color pixels. The full-color pixels are so arranged that the rotation angle of the colored areas of the same color have different types. In the full-color pixels of the same type, the colored areas of the same color have the same rotation angle. In the full-color pixels of different types, the colored areas of the same color have different rotation angles.Type: ApplicationFiled: October 27, 2016Publication date: June 22, 2017Applicant: Japan Display Inc.Inventors: Haochun LEE, Michiaki SAKAMOTO, Masaru UCHIYAMA, Masaya ADACHI, Toshihiro SATO
-
Patent number: 9685494Abstract: A terminal is formed on a substrate. An anisotropic conductive film is disposed on the terminal. A flexible printed board is connected to the terminal via the anisotropic conductive film. At least one opening is formed in the terminal. An adhesion reinforcing portion as a projection is formed inside the opening. The adhesion reinforcing portion is formed of a material having higher adhesion to the anisotropic conductive film than a material constituting the surface of the terminal, and is adhered to the anisotropic conductive film.Type: GrantFiled: August 11, 2015Date of Patent: June 20, 2017Assignee: Japan Display Inc.Inventors: Kazuhiro Odaka, Jun Hanari, Toshihiro Sato
-
Patent number: 9685115Abstract: A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels includes a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer.Type: GrantFiled: September 19, 2016Date of Patent: June 20, 2017Assignees: Japan Display Inc., PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Toshihiro Sato, Yoshiyuki Kaneko
-
Publication number: 20170170248Abstract: The display device includes a first substrate having flexibility and including pixels arranged in matrix form in a first direction and a second direction, the first direction and second direction mutually intersecting each other, a transistor layer arranged above the first substrate and including at least one transistor arranged in each of the pixels, an inorganic insulation film formed continuously across the pixels in the second direction, and a plurality of aperture parts extending in the second direction and arranged between two transistors arranged in two of the plurality of pixels adjacent in the first direction, a plurality of first groups of wiring extending in the first direction and connected to each of the pixels arranged in the first direction, and a plurality of second groups of wiring extending in the second direction and connected to each of the pixels arranged in the second direction.Type: ApplicationFiled: November 28, 2016Publication date: June 15, 2017Inventor: Toshihiro SATO
-
Publication number: 20170170254Abstract: A filling material is provided in an interval part between a first substrate provided with a light emitting device in a pixel and a second substrate provided with a color filter layer corresponding to each pixel which is provided to face each other and a protruding part is provided in the interval part. The protruding part is provided separated along one edge of each pixel. An end part in a length direction of the protruding part is formed in a cone or streamlined shape. In addition, the protruding part is formed from a material having light absorbing properties such as carbon black so as to provide light shielding properties. By adopting this structure, it is possible to solve a problem of mixing colors produced between pixels. It is possible to ensure that the flow of the filling material provided between the first substrate and the second substrate is not obstructed.Type: ApplicationFiled: February 28, 2017Publication date: June 15, 2017Inventors: Yoshinori ISHII, Toshihiro SATO, Tohru Sasaki
-
Patent number: 9678378Abstract: A display device includes: a substrate including a display area composed of a plurality of pixels disposed in a matrix; lower electrodes each formed in each of the plurality of pixels on the substrate and composed of a conductor; an organic layer formed on the lower electrodes and including a light-emitting layer; an upper electrode formed on the organic layer and composed of a conductor; and a pixel separation film at least a portion of which includes polymer dispersed liquid crystal, the pixel separation film being in contact with edges of the lower electrodes to insulate between the lower electrodes of the pixels adjacent to each other.Type: GrantFiled: April 3, 2015Date of Patent: June 13, 2017Assignee: Japan Display Inc.Inventor: Toshihiro Sato
-
Patent number: 9680133Abstract: A display device includes a plurality of pixels each including a light emitting region; and a light blocking layer provided on a side of the plurality of pixels on which light is output. In each of the plurality pixels, the light blocking layer has a plurality of openings allowing light from the light emitting region to be output. In one embodiment, in the light blocking layer, the openings adjacent to each other may be located line-symmetrically. In one embodiment, in the light blocking layer, the openings adjacent to each other may be located point-symmetrically.Type: GrantFiled: November 30, 2016Date of Patent: June 13, 2017Assignee: Japan Display Inc.Inventors: HaoChun Lee, Toshihiro Sato, Masaya Adachi, Shigeru Sakamoto
-
Patent number: 9679950Abstract: An organic EL display device includes a lower electrode that is provided at each pixel, a bank that surrounds an outer circumference of the lower electrode and overlaps an outer circumferential edge of the lower electrode, an organic layer that is formed on the lower electrode and the bank, and an upper electrode that is formed on the organic layer. The bank contains a hygroscopic material. According to this display device, it is possible to confine an influence of moisture which has permeated thereinto to a more restricted area.Type: GrantFiled: April 3, 2015Date of Patent: June 13, 2017Assignee: Japan Display Inc.Inventor: Toshihiro Sato
-
Publication number: 20170162645Abstract: A display device includes contact holes opened in an insulating film outside of a display area in which pixels are arranged, and having a conductive film exposed in bottom portions, a first metal film formed to cover the contact holes and come in contact with the conductive film of the bottom portions, and a transparent conductive film formed on the first metal film.Type: ApplicationFiled: February 15, 2017Publication date: June 8, 2017Inventors: Takeshi OOKAWARA, Toshihiro SATO, Hiroshi OOOKA, Kouhei TAKAHASHI
-
Patent number: 9673260Abstract: In an organic EL display device, a resistance of a cathode electrode of OLEDs is substantially reduced while maintaining a higher opening ratio of pixels as an entire display area. A reference power supply line is formed on a glass substrate, and receives a reference potential for driving the OLED. The OLED is formed on the glass substrate where the reference power supply line is formed, and has a structure in which a lower electrode, an organic material layer, and an upper electrode that is a cathode electrode common to plural pixels are laminated on each other in the order from the bottom. In some of the plural pixels, a cathode contact that penetrates through the organic material layer, and electrically connects the upper electrode to the reference power supply line is formed within an opening area corresponding to a W sub-pixel.Type: GrantFiled: June 14, 2016Date of Patent: June 6, 2017Assignee: Japan Display Inc.Inventors: Hiroshi Oooka, Hirotsugu Sakamoto, Toshihiro Sato
-
Patent number: 9666829Abstract: An organic electroluminescent display device includes a first insulating layer that buries a peripheral portion of a first electrode and has an opening exposing an area of the first electrode inner to the peripheral portion thereof; a second electrode that is in contact with the first electrode in the opening and is provided continuously on a top surface of the first electrode and onto a top surface of the first insulating layer; a second insulating layer covering a peripheral portion of the second electrode; an organic EL layer; and a third electrode. The second electrode includes a stepped portion. An area where the stepped portion is included and the second electrode, the organic electroluminescence layer and the third electrode overlap each other is a light emitting area. Light emitted by the organic EL layer is reflected by the stepped portion.Type: GrantFiled: September 4, 2014Date of Patent: May 30, 2017Assignee: Japan Display Inc.Inventors: Ryoichi Ito, Toshihiro Sato
-
Patent number: 9666651Abstract: A display device includes a plurality of pixel electrodes which are provided separately from each other on an insulative surface; a first layer which is provided separately from each other on the respective plurality of pixel electrodes, and includes a plurality of first carrier transport layers or a plurality of first carrier injection layers; a pixel separation film which is provided on the first layer, and includes a plurality of opening portions in each region which overlaps with the respective plurality of pixel electrodes in a planar view; a light emitting layer which is provided so as to cover at least one of the plurality of opening portions; a second layer which is provided on the light emitting layer, and includes a second carrier transport layer or a second carrier injection layer; and a counter electrode which is provided on the second layer.Type: GrantFiled: September 18, 2015Date of Patent: May 30, 2017Assignee: Japan Display Inc.Inventors: Toshihiro Sato, Koji Yasukawa, Masakazu Gunji
-
Patent number: 9665194Abstract: In a seal part where a translucent opposite substrate and an element substrate are bonded together, a peripheral member is provided in such a manner as to be buried in a sealing member. This prevents the sealing member from breaking, thus making it possible to make the seal part durable to improve the strength of the panel. Further, an output wiring connected to an electrode pattern of a sensing unit can be protected by being covered with a protective insulating layer. The peripheral member and the protective insulating layer can be formed by the same insulating material. This makes it possible to simplify the process to reduce production costs.Type: GrantFiled: September 19, 2014Date of Patent: May 30, 2017Assignee: Japan Display Inc.Inventors: Ryoichi Ito, Toshihiro Sato
-
Publication number: 20170148857Abstract: A bent part is prevented from being damaged by preventing displacement of a bend. A display device includes a circuit substrate having a flat part and a bent part, a light emitting element layer disposed on each of unit pixels forming an image, a circuit layer stacked on an outside surface of the bent part, a sealing layer that covers and seals the light emitting element layer, and a double-sided tape that includes a base material having a first surface and a second surface, respectively provided with a first adhesive and a second adhesive, and is bent at an inside of the bent part of the circuit substrate with the first surface being outside. The first surface sticks to the circuit substrate, and the second surface is folded back and adhered together.Type: ApplicationFiled: October 14, 2016Publication date: May 25, 2017Applicant: Japan Display Inc.Inventors: Yusuke GOTO, Takashi SAEKI, Toshihiro SATO
