Patents by Inventor Tatsumi Okuda
Tatsumi Okuda 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).
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Patent number: 8194202Abstract: The invention relates to an electro-optical device having an electro-optical panel and a supporting frame that supports the electro-optical panel either directly or indirectly. The supporting frame of the electro-optical device according to an aspect of the invention includes: a resin base frame member; and a metal member that has an embedded portion that is covered inside the resin base frame member and an exposed portion that is exposed from the resin base frame member. In the configuration of the electro-optical device of the invention, the exposed portion of the metal member has an inner exposed portion that is exposed at a middle face of the inside of the supporting frame viewed along the thickness direction of the supporting frame. At least one of the electro-optical panel, which is supported inside the supporting frame, and other member is in contact with the inner exposed portion of the metal member.Type: GrantFiled: March 12, 2008Date of Patent: June 5, 2012Assignee: Sony CorporationInventor: Tatsumi Okuda
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Patent number: 7855764Abstract: An electro-optical device includes a light source, a light guiding plate, a first displaying panel, and a second displaying panel, in which the light guiding plate has an inclined portion which becomes gradually thicker as it becomes nearer the light source, the second displaying panel is arranged on a first side of the light guiding plate, on which the inclined portion is disposed, and the first displaying panel is arranged on a second side of the light guiding plate, on which the inclined portion is not disposed, and an end portion of a displaying region of the second displaying panel is arranged nearer the light source than an end portion of a displaying region of the first displaying panel.Type: GrantFiled: November 1, 2007Date of Patent: December 21, 2010Assignee: Sony CorporationInventor: Tatsumi Okuda
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Patent number: 7719627Abstract: A display includes: a display panel; a flexible printed circuit board that is attached to the display panel at a first height; and a frame that has the display panel disposed therein. The frame includes a guide portion that pulls the flexible printed circuit board to the outside of the frame, with the height of the flexible printed circuit board being varied from the first height to a second height by bending the flexible printed circuit board.Type: GrantFiled: November 23, 2005Date of Patent: May 18, 2010Assignee: Sanyo Electric Co., Ltd.Inventor: Tatsumi Okuda
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Patent number: 7710519Abstract: An electro-optic device includes a frame, an optical member including a light guide plate accommodated within the flame, an illuminator, and a display panel disposed over the optical member. The display panel includes a substrate that has a light-shielding black mask extending in the shape of a picture frame along edges of the substrate. The black mask partially has at least one light-shielding extended segment extended toward at least one of the edges of the substrate.Type: GrantFiled: November 16, 2007Date of Patent: May 4, 2010Assignee: Epson Imaging Devices CorporationInventor: Tatsumi Okuda
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Patent number: 7710528Abstract: There is provided an electro optical device including an electro optical panel formed by sticking a first substrate and a second substrate together, and a flexible wiring substrate connected to the electro optical panel.Type: GrantFiled: November 16, 2007Date of Patent: May 4, 2010Assignee: Epson Imaging Devices CorporationInventors: Kazuya Hasegawa, Tatsumi Okuda
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Patent number: 7595983Abstract: A display capable of suppressing breakage of a display panel against an impact resulting from a fall or the like is obtained. This display comprises a display panel, an upper frame having a first opening for exposing a display surface of the display panel, a first flexible printed wiring board for the display panel having a first end connected to the display panel and a second end curvedly arranged on the lower side of the display panel, a reinforcing sheet arranged between the lower side of the display panel and the curvedly arranged first flexible printed wiring board and a lower frame engaging with the upper frame.Type: GrantFiled: August 2, 2007Date of Patent: September 29, 2009Assignee: Epson Imaging Devices CorporationInventor: Tatsumi Okuda
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Patent number: 7593234Abstract: Disclosed herein is an electro-optical device including a substrate for the electro-optical device connected with a flexible circuit board, wherein the flexible circuit board partially faces one surface of the substrate for the electro-optical device, is folded to face the other surface of the substrate for the electro-optical device at a position which does not overlap the substrate for the electro-optical device, and has a region extending to overlap the substrate for the electro-optical device, and wherein a reinforcement plate is interposed between the substrate for the electro-optical device and the folded flexible circuit board in a region in which at least the substrate for the electro-optical device and the flexible circuit board overlap each other.Type: GrantFiled: September 17, 2007Date of Patent: September 22, 2009Assignee: Epson Imaging Devices CorporationInventor: Tatsumi Okuda
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Patent number: 7586744Abstract: A display capable of suppressing breakage of a display panel against an impact resulting from a fall or the like is obtained. This display comprises a display panel, an upper frame having a first opening for exposing a display surface of the display panel, a first flexible printed wiring board for the display panel having a first end connected to the display panel and a second end curvedly arranged on the lower side of the display panel, a reinforcing sheet arranged between the lower side of the display panel and the curvedly arranged first flexible printed wiring board and a lower frame engaging with the upper frame.Type: GrantFiled: December 27, 2005Date of Patent: September 8, 2009Assignee: Epson Imaging Devices CorporationInventor: Tatsumi Okuda
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Patent number: 7559684Abstract: The invention provides an electro-optical device that includes: an electro-optical panel; light sources that emit light that enters the electro-optical panel; an optical waveguide board that guides the light emitted from the light sources toward the electro-optical panel; and a flexible printed circuit board on which the light sources are mounted, wherein the flexible printed circuit board is adhered to the optical waveguide board by adhesive members in such a manner that a part of the flexible printed circuit board is opposed to a surface of the optical waveguide board and that the light sources are positioned to be opposed to an edge face of the optical waveguide board, and concave portions are formed in the optical waveguide board at least at positions where the adhesive members are provided.Type: GrantFiled: September 17, 2007Date of Patent: July 14, 2009Assignee: Epson Imaging Devices CorporationInventor: Tatsumi Okuda
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Publication number: 20090079894Abstract: The invention relates to an electro-optical device having an electro-optical panel and a supporting frame that supports the electro-optical panel either directly or indirectly. The supporting frame of the electro-optical device according to an aspect of the invention includes: a resin base frame member; and a metal member that has an embedded portion that is covered inside the resin base frame member and an exposed portion that is exposed from the resin base frame member. In the configuration of the electro-optical device of the invention, the exposed portion of the metal member has an inner exposed portion that is exposed at a middle face of the inside of the supporting frame viewed along the thickness direction of the supporting frame. At least one of the electro-optical panel, which is supported inside the supporting frame, and other member is in contact with the inner exposed portion of the metal member.Type: ApplicationFiled: March 12, 2008Publication date: March 26, 2009Applicant: EPSON IMAGING DEVICES CORPORATIONInventor: Tatsumi Okuda
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Patent number: 7497612Abstract: An electro-optical device includes a lighting device including a light guiding plate and a light source emitting light to the light guiding plate which are received in a frame, and a displaying panel, in which the light guiding plate has an inclined portion which gradually becomes thicker as it becomes nearer the light source, and the frame as a frame protrusion facing the inclined portion of the light guiding plate.Type: GrantFiled: November 1, 2007Date of Patent: March 3, 2009Assignee: Epson Imaging Devices CorporationInventor: Tatsumi Okuda
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Patent number: 7495738Abstract: A display allowing recycling of a flexible printed circuit board and a light source mounted thereon after disassembling of the flexible printed circuit board and the light source is obtained. In this display, the adhesive strength of a surface of a first double-faced adhesive tape bonded to the first flexible printed circuit board mounted with the light source is lower than the adhesive strength of another surface of the first double-faced adhesive tape bonded to the first display panel.Type: GrantFiled: July 21, 2006Date of Patent: February 24, 2009Assignee: Epson Imaging Devices CorporationInventor: Tatsumi Okuda
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Publication number: 20080170172Abstract: An electro-optic device includes a frame, an optical member including a light guide plate accommodated within the flame, an illuminator, and a display panel disposed over the optical member. The display panel includes a substrate that has a light-shielding black mask extending in the shape of a picture frame along edges of the substrate. The black mask partially has at least one light-shielding extended segment extended toward at least one of the edges of the substrate.Type: ApplicationFiled: November 16, 2007Publication date: July 17, 2008Applicant: EPSON IMAGING DEVICES CORPORATIONInventor: Tatsumi OKUDA
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Publication number: 20080165316Abstract: There is provided an electro optical device including an electro optical panel formed by sticking a first substrate and a second substrate together, and a flexible wiring substrate connected to the electro optical panel.Type: ApplicationFiled: November 16, 2007Publication date: July 10, 2008Applicant: EPSON IMAGING DEVICES CORPORATIONInventors: Kazuya HASEGAWA, Tatsumi OKUDA
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Publication number: 20080112189Abstract: The invention provides an electro-optical device that includes: an electro-optical panel; light sources that emit light that enters the electro-optical panel; an optical waveguide board that guides the light emitted from the light sources toward the electro-optical panel; and a flexible printed circuit board on which the light sources are mounted, wherein the flexible printed circuit board is adhered to the optical waveguide board by adhesive members in such a manner that a part of the flexible printed circuit board is opposed to a surface of the optical waveguide board and that the light sources are positioned to be opposed to an edge face of the optical waveguide board, and concave portions are formed in the optical waveguide board at least at positions where the adhesive members are provided.Type: ApplicationFiled: September 17, 2007Publication date: May 15, 2008Applicant: EPSON IMAGING DEVICES CORPORATIONInventor: Tatsumi OKUDA
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Publication number: 20080106915Abstract: An electro-optical device includes a lighting device including a light guiding plate and a light source emitting light to the light guiding plate which are received in a frame, and a displaying panel, in which the light guiding plate has an inclined portion which gradually becomes thicker as it becomes nearer the light source, and the frame as a frame protrusion facing the inclined portion of the light guiding plate.Type: ApplicationFiled: November 1, 2007Publication date: May 8, 2008Applicant: EPSON IMAGING DEVICES CORPORATIONInventor: Tatsumi OKUDA
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Publication number: 20080106874Abstract: Disclosed herein is an electro-optical device including a substrate for the electro-optical device connected with a flexible circuit board, wherein the flexible circuit board partially faces one surface of the substrate for the electro-optical device, is folded to face the other surface of the substrate for the electro-optical device at a position which does not overlap the substrate for the electro-optical device, and has a region extending to overlap the substrate for the electro-optical device, and wherein a reinforcement plate is interposed between the substrate for the electro-optical device and the folded flexible circuit board in a region in which at least the substrate for the electro-optical device and the flexible circuit board overlap each other.Type: ApplicationFiled: September 17, 2007Publication date: May 8, 2008Applicant: EPSON IMAGING DEVICES CORPORATIONInventor: Tatsumi OKUDA
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Publication number: 20080106673Abstract: An electro-optical device includes a light source, a light guiding plate, a first displaying panel, and a second displaying panel, in which the light guiding plate has an inclined portion which becomes gradually thicker as it becomes nearer the light source, the second displaying panel is arranged on a first side of the light guiding plate, on which the inclined portion is disposed, and the first displaying panel is arranged on a second side of the light guiding plate, on which the inclined portion is not disposed, and an end portion of a displaying region of the second displaying panel is arranged nearer the light source than an end portion of a displaying region of the first displaying panel.Type: ApplicationFiled: November 1, 2007Publication date: May 8, 2008Applicant: Epson Imaging Devices CorporationInventor: TATSUMI OKUDA
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Publication number: 20080043413Abstract: A display capable of suppressing breakage of a display panel against an impact resulting from a fall or the like is obtained. This display comprises a display panel, an upper frame having a first opening for exposing a display surface of the display panel, a first flexible printed wiring board for the display panel having a first end connected to the display panel and a second end curvedly arranged on the lower side of the display panel, a reinforcing sheet arranged between the lower side of the display panel and the curvedly arranged first flexible printed wiring board and a lower frame engaging with the upper frame.Type: ApplicationFiled: August 2, 2007Publication date: February 21, 2008Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventor: Tatsumi Okuda
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Publication number: 20070019275Abstract: A display allowing recycling of a flexible printed circuit board and a light source mounted thereon after disassembling of the flexible printed circuit board and the light source is obtained. In this display, the adhesive strength of a surface of a first double-faced adhesive tape bonded to the first flexible printed circuit board mounted with the light source is lower than the adhesive strength of another surface of the first double-faced adhesive tape bonded to the first display panel.Type: ApplicationFiled: July 21, 2006Publication date: January 25, 2007Inventor: Tatsumi Okuda