Patents by Inventor Kenji Arita
Kenji Arita 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: 20150116609Abstract: A display device of this disclosure: a display element; a first frame holding the display element; a second frame having an opening and engaged with the first frame to arrange therein the display element, and a transparent member arranged on a front surface of the display element with an adhesive material being interposed therebetween. The transparent member is accommodated in an opening without overlapping with the opening of the second frame.Type: ApplicationFiled: September 24, 2014Publication date: April 30, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Kenji ARITA
-
Patent number: 8727596Abstract: A light source device comprising: a point light source for emitting light; a light source substrate directly mounting the point light source; a light source substrate cover having a through hole or a notch in a position to which the point light source corresponds, the light source substrate cover arranged opposite to a surface of the light source substrate on which the point light source is mounted; and a support member for supporting the light source substrate, the support member arranged to be opposed to the reverse side of the mounting surface of the light source substrate, the support member has a substantially same size with the light source substrate; wherein the light source substrate cover and the support member sandwich the light source substrate to support the light source substrate.Type: GrantFiled: September 14, 2012Date of Patent: May 20, 2014Assignee: Mitsubishi Electric CorporationInventors: Takuya Sakamoto, Kenji Arita
-
Patent number: 8657456Abstract: A display device where concentration of a stress in a display panel is suppressed, to allow improvement in display quality, reliability and the like. A display device includes a display panel, an adhesive layer and a supporting substrate. The adhesive layer is provided on the display panel. The supporting substrate is made up of a member previously provided with curved surfaces. The display panel is bonded onto the curved surface of the supporting substrate by the adhesive layer. The supporting substrate supports the display panel in a curved form along the curved surface.Type: GrantFiled: April 23, 2010Date of Patent: February 25, 2014Assignee: Mitsubishi Electric CorporationInventors: Yusuke Yamagata, Naoki Nakagawa, Toshiaki Fujino, Takanori Okumura, Toshiyuki Yoneda, Toru Kokogawa, Kenji Arita
-
Patent number: 8638404Abstract: A planar light source device including: a light source; an optical sheet that emits light incident from the light source; a rear frame that is disposed to support the optical sheet; and a reflection sheet, which is included inside the rear frame, and which includes the optical sheet, wherein the reflection sheet has a positioning portion including a notch portion and a bent portion, and wherein the optical sheet has a shape fitting to the positioning portion. The shape of the optical sheet may be not point-symmetrical and may be not line-symmetrical viewing from a light emitting direction.Type: GrantFiled: October 22, 2010Date of Patent: January 28, 2014Assignee: Mitsubishi Electric CorporationInventor: Kenji Arita
-
Patent number: 8434925Abstract: A light source device comprising: a point light source for emitting light; a light source substrate directly mounting the point light source; a light source substrate cover having a through hole or a notch in a position to which the point light source corresponds, the light source substrate cover arranged opposite to a surface of the light source substrate on which the point light source is mounted; and a support member for supporting the light source substrate, the support member arranged to be opposed to the reverse side of the mounting surface of the light source substrate, the support member has a substantially same size with the light source substrate; wherein the light source substrate cover and the support member sandwich the light source substrate to support the light source substrate.Type: GrantFiled: March 16, 2012Date of Patent: May 7, 2013Assignee: Mitsubishi Electric CorporationInventors: Takuya Sakamoto, Kenji Arita
-
Publication number: 20130033897Abstract: A planar light source device includes: a point light source that emits light; a circuit board that has a mounting portion, on which the point light source mounted, and a fixing portion, on which a connector supplying electric power to the point light source is mounted; and a frame that holds the circuit board with the point light source, wherein the circuit board has a protruding portion that protrudes from an end portion of the fixing portion, and wherein the fixing portion of the circuit board is fixed at an inner portion of the frame, and wherein the protruding portion of the circuit board is fixed at an outer portion of the frame, which is opposite to the inner portion of the fixing portion.Type: ApplicationFiled: July 24, 2012Publication date: February 7, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Shigeyuki MATSUMOTO, Yuji TSUCHIYAMA, Kenji ARITA
-
Publication number: 20130010455Abstract: A light source device comprising: a point light source for emitting light; a light source substrate directly mounting the point light source; a light source substrate cover having a through hole or a notch in a position to which the point light source corresponds, the light source substrate cover arranged opposite to a surface of the light source substrate on which the point light source is mounted; and a support member for supporting the light source substrate, the support member arranged to be opposed to the reverse side of the mounting surface of the light source substrate, the support member has a substantially same size with the light source substrate; wherein the light source substrate cover and the support member sandwich the light source substrate to support the light source substrate.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takuya SAKAMOTO, Kenji Arita
-
Publication number: 20120307507Abstract: A planar light source apparatus includes a light source; a flexible printed circuit (FPC) having a wiring part that extends from a light source mounting part having the light source; a rear frame that accommodates the light source and the FPC; and a driver substrate, which is arranged on a backside that is an opposite side of an inner surface of the rear frame, and which has a connector configured to connect the FPC, wherein an end portion of the wiring part is extracted to the backside through an opening hole formed in the rear frame and is connected to the connector, and wherein the backside of the rear frame has a protrusion portion, which is arranged in the vicinity of an insertion slot of the connector, and is which formed to be substantially level with an arrangement position of the insertion slot.Type: ApplicationFiled: May 22, 2012Publication date: December 6, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Kenji ARITA
-
Publication number: 20120176815Abstract: A light source device comprising: a point light source for emitting light; a light source substrate directly mounting the point light source; a light source substrate cover having a through hole or a notch in a position to which the point light source corresponds, the light source substrate cover arranged opposite to a surface of the light source substrate on which the point light source is mounted; and a support member for supporting the light source substrate, the support member arranged to be opposed to the reverse side of the mounting surface of the light source substrate, the support member has a substantially same size with the light source substrate; wherein the light source substrate cover and the support member sandwich the light source substrate to support the light source substrate.Type: ApplicationFiled: March 16, 2012Publication date: July 12, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takuya SAKAMOTO, Kenji Arita
-
Patent number: 8167476Abstract: A light source device comprising: a point light source for emitting light; a light source substrate directly mounting the point light source; a light source substrate cover having a through hole or a notch in a position to which the point light source corresponds, the light source substrate cover arranged opposite to a surface of the light source substrate on which the point light source is mounted; and a support member for supporting the light source substrate, the support member arranged to be opposed to the reverse side of the mounting surface of the light source substrate, the support member has a substantially same size with the light source substrate; wherein the light source substrate cover and the support member sandwich the light source substrate to support the light source substrate.Type: GrantFiled: January 30, 2008Date of Patent: May 1, 2012Assignee: Mitsubishi Electric CorporationInventors: Takuya Sakamoto, Kenji Arita
-
Publication number: 20120020056Abstract: A display device where concentration of a stress in a display panel is suppressed, to allow improvement in display quality, reliability and the like. A display device includes a display panel, an adhesive layer and a supporting substrate. The adhesive layer is provided on the display panel. The supporting substrate is made up of a member previously provided with curved surfaces. The display panel is bonded onto the curved surface of the supporting substrate by the adhesive layer. The supporting substrate supports the display panel in a curved form along the curved surface.Type: ApplicationFiled: April 23, 2010Publication date: January 26, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yusuke Yamagata, Naoki Nakagawa, Toshiaki Fujino, Takanori Okumura, Toshiyuki Yoneda, Toru Kokogawa, Kenji Arita
-
Patent number: 8083844Abstract: This invention provides quality and safe chemically-curing type GIC that solves all the disadvantages of light-curing type GIC, and has mechanical strength not lower but higher than that of light-curing type GIC and, in addition to this, the original features and advantages of GIC. The chemically-curing type glass ionomer cement according to the present invention includes porous and particulate hydroxy apatite that has a means diameter of not less than 0.6 ?m and less than 100 ?m and a large specific surface, and is added and mixed into the glass ionomer cement.Type: GrantFiled: April 27, 2007Date of Patent: December 27, 2011Assignee: The University of TokushimaInventor: Kenji Arita
-
Patent number: 8040476Abstract: The display device includes a pair of insulating substrates arranged so as to be opposed, a bonding layer, and a strain suppressing plate. The bonding layer is provided on the outer surface side of one insulating substrate. The strain suppressing plate has rigidity higher than that of the insulating substrate to suppress the strain caused by curving the insulating substrate. The strain suppressing plate is fixed to the insulating substrate by the bonding layer.Type: GrantFiled: May 26, 2009Date of Patent: October 18, 2011Assignee: Mitsubishi Electric CorporationInventors: Takumi Nakahata, Takanori Okumura, Yusuke Yamagata, Naoki Nakagawa, Masafumi Agari, Tetsuya Satake, Toru Kokogawa, Kenji Arita
-
Publication number: 20110096267Abstract: A planar light source device including: a light source; an optical sheet that emits light incident from the light source; a rear frame that is disposed to support the optical sheet; and a reflection sheet, which is included inside the rear frame, and which includes the optical sheet, wherein the reflection sheet has a positioning portion including a notch portion and a bent portion, and wherein the optical sheet has a shape fitting to the positioning portion. The shape of the optical sheet may be not point-symmetrical and may be not line-symmetrical viewing from a light emitting direction.Type: ApplicationFiled: October 22, 2010Publication date: April 28, 2011Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Kenji ARITA
-
Patent number: 7896536Abstract: A light source supporting member supports a light source and has a first face and a second face opposite to the first face. A light guide plate has a side face opposed to the first face of the light source supporting member and a light emitting face that emits light from the light source. A metal frame supports the light guide plate. A resin frame overlies the second face of the light source supporting member and includes a connection part that connects with the metal frame within a plate thickness of the metal frame. The connection part includes a convex part including a projection portion projecting from the convex part. The projection portion extends toward the metal frame to overlie the second face of the light source supporting member. The metal frame includes a concave part including a recessed part engaged with the projection portion.Type: GrantFiled: November 20, 2007Date of Patent: March 1, 2011Assignee: Mitsubishi Electric CorporationInventors: Kenji Arita, Takuya Sakamoto
-
Publication number: 20100182740Abstract: An alignment mark is placed in a position adjacent to at least one of the four corners of an opening of a frame, of a touch panel in a manner corresponding to edges of the opening of the frame. The alignment mark placed on the touch panel is aligned with the edges of the opening made on the upper part of the frame. This allows accurate aligning of the touch panel on the display element.Type: ApplicationFiled: January 12, 2010Publication date: July 22, 2010Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Kenji ARITA
-
Publication number: 20090290113Abstract: The display device includes a pair of insulating substrates arranged so as to be opposed, a bonding layer, and a strain suppressing plate. The bonding layer is provided on the outer surface side of one insulating substrate. The strain suppressing plate has rigidity higher than that of the insulating substrate to suppress the strain caused by curving the insulating substrate. The strain suppressing plate is fixed to the insulating substrate by the bonding layer.Type: ApplicationFiled: May 26, 2009Publication date: November 26, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takumi Nakahata, Takanori Okumura, Yusuke Yamagata, Naoki Nakagawa, Masafumi Agari, Tetsuya Satake, Toru Kokogawa, Kenji Arita
-
Publication number: 20090180275Abstract: A lamp unit includes a linear illuminant having external electrodes at both ends; a housing case for housing the linear illuminant; a pair of holding members fitted in both ends of the housing case; and conductive connection terminals locked to each of the pair of holding members, respectively, wherein each of the connection terminals includes a gripper for gripping each of the external electrodes of the linear illuminant, and each of the external electrodes of the linear illuminant is electrically connected to each of the connection terminals by each gripper.Type: ApplicationFiled: December 24, 2008Publication date: July 16, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Kenji ARITA
-
Publication number: 20090118391Abstract: This invention provides quality and safe chemically-curing type GIC that solves all the disadvantages of light-curing type GIC, and has mechanical strength not lower but higher than that of light-curing type GIC and, in addition to this, the original features and advantages of GIC. The chemically-curing type glass ionomer cement according to the present invention includes porous and particulate hydroxy apatite that has a means diameter of not less than 0.6 ?m and less than 100 ?m and a large specific surface, and is added and mixed into the glass ionomer cement.Type: ApplicationFiled: April 24, 2007Publication date: May 7, 2009Inventor: Kenji Arita
-
Publication number: 20080180972Abstract: A light source device comprising: a point light source for emitting light; a light source substrate directly mounting the point light source; a light source substrate cover having a through hole or a notch in a position to which the point light source corresponds, the light source substrate cover arranged opposite to a surface of the light source substrate on which the point light source is mounted; and a support member for supporting the light source substrate, the support member arranged to be opposed to the reverse side of the mounting surface of the light source substrate, the support member has a substantially same size with the light source substrate; wherein the light source substrate cover and the support member sandwich the light source substrate to support the light source substrate.Type: ApplicationFiled: January 30, 2008Publication date: July 31, 2008Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takuya SAKAMOTO, Kenji Arita