Patents by Inventor Tetsuya Ueno
Tetsuya Ueno 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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Publication number: 20220294010Abstract: A solid electrolyte layer includes a solid electrolyte and a compound represented by a composition formula MxZr2(PO4)y. In the composition formula, M represents at least one selected from the group consisting of Na, K, Mg, Ca, Sr, Ba, Cu, Zn, and Ni, x satisfies 0<x?2.5, and y satisfies 2.7?y?3.5.Type: ApplicationFiled: August 31, 2020Publication date: September 15, 2022Applicant: TDK CORPORATIONInventors: Gakuho ISOMICHI, Haruna KATO, Tetsuya UENO
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Publication number: 20220255125Abstract: A solid electrolyte includes a compound composed of an alkali metal, at least one metal element selected from Zr, Hf, Ti, Sn, Mg, Ca, Sr, Cs, Ba, Y, Al, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Cu, Ag, Au, Pb, Bi, In, Sn, Sb, Nb, Ta and W and an element belonging to Group XVII of the periodic table.Type: ApplicationFiled: July 20, 2020Publication date: August 11, 2022Applicant: TDK CORPORATIONInventors: Hisashi SUZUKI, Tetsuya UENO
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Patent number: 11411244Abstract: A solid electrolyte according to an embodiment includes a lithium-containing phosphoric acid compound with a cubic crystal structure.Type: GrantFiled: March 29, 2018Date of Patent: August 9, 2022Assignee: TDK CORPORATIONInventors: Gakuho Isomichi, Tetsuya Ueno
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Publication number: 20220246983Abstract: A solid electrolyte includes a compound composed of an alkali metal, at least one of a metal element and a metalloid element having a valence of 1 to 6, an element belonging to Group XVII of the periodic table and an element belonging to Group XVI of the periodic table.Type: ApplicationFiled: July 20, 2020Publication date: August 4, 2022Applicant: TDK CORPORATIONInventors: Hisashi SUZUKI, Tetsuya UENO
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Patent number: 11398187Abstract: The present disclosure discloses a current-driven display device that uses an internal compensation method and can display a good-quality image with no bright dots that are not included in intended display content. In a pixel circuit of an organic EL display device, a gate voltage of a drive transistor is initialized before the voltage of a data signal line is written to a holding capacitor via the diode-connected drive transistor. A first initialization voltage line for initialization of the gate voltage and a second initialization voltage line for initialization of an anode voltage of the organic EL element are connected to the pixel circuit. In the initialization of the gate voltage, a voltage of the first initialization voltage line that is higher than the voltage of the second initialization voltage line is provided to the gate terminal of the drive transistor via the first initialization transistor.Type: GrantFiled: March 28, 2018Date of Patent: July 26, 2022Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno
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Patent number: 11386840Abstract: The present application discloses a current-driven display device capable of preventing a decrease in display quality due to luminance gradient caused by a voltage drop in a power supply line while preventing an increase in circuit and processing necessary for driving a pixel circuit. In an organic EL display device, a high-level power supply line ELVDD includes a trunk wire ELV0 and N branch wires ELV1 to ELVN diverging from the trunk wire ELV0 and arranged along the plurality of scanning signal lines G1 to GN, respectively.Type: GrantFiled: September 20, 2018Date of Patent: July 12, 2022Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno
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Publication number: 20220208928Abstract: A display device includes five light-emitting layers including four light-emitting layers arranged in two rows and two columns, and one light-emitting layer diagonally adjacent to each of the four light-emitting, layers, wherein three subpixel circuits corresponding to the one light-emitting layer and two light-emitting layers adjacent in a row direction among the five light-emitting layers are connected to an identical scanning signal line, and four subpixel circuits corresponding to the one light-emitting layer and three light-emitting layers diagonally adjacent to the one light-emitting layer among the five light-emitting layers are connected to four different data signal lines.Type: ApplicationFiled: March 25, 2019Publication date: June 30, 2022Inventor: TETSUYA UENO
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Publication number: 20220181425Abstract: A display device includes: a semiconductor layer; a gate insulating film; a first display wire; a first interlayer insulating film; a second display wire; a second interlayer insulating film; and a third display wire stacked on a substrate in this order, pixel circuits being provided corresponding to intersections of data signal lines and scanning signal lines included in the third display wire, each of the pixel circuits including a first transistor and a second transistor in which any one of the scanning signal lines overlaps the semiconductor layer through the gate insulating film, one terminal of the first transistor and one terminal of the second transistor are connected together through a connector included in a conductor region of the semiconductor layer, and the connector includes an overlap connector overlapped in a plan view with the data signal lines through a constant potential wires included in the first display wire.Type: ApplicationFiled: February 8, 2019Publication date: June 9, 2022Inventors: TAMOTSU SAKAI, TETSUYA UENO
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Publication number: 20220173200Abstract: This application discloses a current-driven display device able to suppress degradation in display quality due to a luminance gradient or the like caused by a voltage drop across a power supply line while avoiding an increase in size of the circuit as much as possible. In an organic EL display device, a high-level power supply line includes a main wiring line, trunk wiring lines branching off from the main wiring line and extending in a column direction, and branch wiring lines extending in a row direction along scanning signal lines, respectively. The trunk wiring lines and the branch wiring lines are formed in different layers from each other with an insulating layer interposed therebetween, where each branch wiring line is electrically connected conductively to at least one trunk wiring line through a contact hole, and each trunk wiring line is electrically connected conductively to only one branch wiring line through a contact hole.Type: ApplicationFiled: March 29, 2019Publication date: June 2, 2022Inventor: TETSUYA UENO
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Patent number: 11349146Abstract: An all-solid lithium ion secondary battery has a pair of electrode layers and a solid electrolyte layer between the pair of electrode layers. In the all-solid lithium ion secondary battery, at least one electrode of the pair of electrodes has an active material layer and an intermediate layer on the surface of the active material layer on the side of the solid electrolyte layer, and each of the solid electrolyte layer, the intermediate layer, and the active material layer includes a compound containing Li and two or more shared types of metal elements other than Li, the two or more shared types of metal elements in the solid electrolyte layer, the intermediate layer, and the active material layer are identical between the solid electrolyte layer, the intermediate layer, and the active material layer.Type: GrantFiled: September 25, 2017Date of Patent: May 31, 2022Assignee: TDK CORPORATIONInventors: Hiroshi Sato, Masahiro Oishi, Takeo Tsukada, Gakuho Isomichi, Tetsuya Ueno
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Patent number: 11342579Abstract: The present invention aims to provide an all-solid-state lithium ion secondary battery having a high reliability which does not have a decrease in battery capacity due to absorption of moisture in the air. The all-solid-state lithium ion secondary battery is provided with a battery body having an electrolyte layer between a positive electrode layer and a negative electrode layer, a pair of terminal electrodes respectively connected to the positive electrode layer and the negative electrode layer at both end portions of the battery body, and a moisture-proof layer disposed on surfaces excluding the surfaces to be the terminal electrodes, wherein the moisture-proof layer contains a cured product of a composition containing a polymer compound and metal compound particles.Type: GrantFiled: March 28, 2018Date of Patent: May 24, 2022Assignee: TDK CORPORATIONInventors: Hiroaki Takahata, Hisaji Oyake, Masayuki Muroi, Tetsuya Ueno
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Publication number: 20220140402Abstract: This all-solid-state battery includes a laminate in which a positive electrode layer and a negative electrode layer are alternately laminated with a solid electrolyte layer interposed therebetween. The positive electrode layer includes a first positive electrode end portion exposed on a first side surface of the laminate. The negative electrode layer includes a second negative electrode end portion not exposed on the first side surface of the laminate. The all-solid-state battery includes a first uneven part formed on the first side surface of the laminate.Type: ApplicationFiled: March 9, 2020Publication date: May 5, 2022Applicant: TDK CORPORATIONInventors: Kazumasa TANAKA, Tetsuya UENO
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Patent number: 11308881Abstract: The present application discloses a current-driven display device capable of preventing a decrease in display quality due to luminance gradient or the like caused by a voltage drop in a power supply line while preventing an increase in circuit and processing necessary for driving a pixel circuit. In an organic EL display device, at a connection point of a high-level power supply line ELVDD with a pixel circuit 15 (Pix(n,k)) (n=1 to N; k=1 to M) on each branch wire ELVk, a display control circuit calculates a voltage drop ?Vn=V0?Vn caused by a current flowing in the branch wire ELVk in a data write period for the pixel circuit Pix(n,k), corrects corresponding pixel data (pixel data for Pix(n,k)) dn in input image data based on the voltage drop ?Vn, and generates a driving image data signal Sdda to be given to a data-side drive circuit based on the corrected pixel data dcn.Type: GrantFiled: September 20, 2018Date of Patent: April 19, 2022Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno
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Publication number: 20220018574Abstract: A heater unit includes a metal plate, a pipe and a linear heater. The pipe comes into contact with one surface of the metal plate, and a fluid to be heated is passed through the pipe. The linear heater comes into contact with the other surface of the metal plate and is disposed along the pipe.Type: ApplicationFiled: July 12, 2021Publication date: January 20, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Yasutaka Inui, Noriaki Furukawa, Yuko Yano, Sho Harabe, Yuzo Onishi, Tetsuya Ueno, Shunsuke Yamasaki
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Patent number: 11227553Abstract: A first region and a second region do not include sub-pixel circuits. The second region is surrounded by a display area. The first region is surrounded by the second region. When viewed orthogonally to the display area, a plurality of signal lines are provided across the second region. The signal lines include at least either two or more of scanning signal lines, or two or more of data signal lines. The signal lines across the second region run out of an edge of the first region.Type: GrantFiled: April 10, 2018Date of Patent: January 18, 2022Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno
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Patent number: 11189235Abstract: The present disclosure discloses a current-driven display device that uses an internal compensation method and can display a good-quality image with no bright dots that are not included in intended display content. In a pixel circuit of an organic EL display device, a voltage of a gate terminal of a drive transistor is initialized before the voltage of a data signal line is written to a holding capacitor via the drive transistor in a diode-connected state. A drain terminal of a first initialization transistor is connected to an anode electrode of the organic EL element in another pixel circuit adjacent to the drain terminal in a scanning signal line extension direction. In a reset period, a path for applying an initialization voltage to the gate terminal is formed by a second initialization transistor of the other pixel circuit, an initialization connecting line, and the first initialization transistor of the pixel circuit.Type: GrantFiled: March 29, 2018Date of Patent: November 30, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno
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Patent number: 11158257Abstract: An object of the disclosure is to achieve a current-driven display device able to compensate for a variation in threshold voltage of a drive transistor without causing a variation in luminance. A pixel circuit includes a light-emitting element, a drive transistor, a power supply control transistor, a light emission control transistor, a first writing control transistor, a threshold voltage compensation transistor, a second writing control transistor, an initialization transistor, and a data-holding capacitor. During a data writing period, a scanning signal is active, an initialization voltage is supplied to a first electrode of the data-holding capacitor via the drive transistor, and a data voltage is supplied to a second electrode of the data-holding capacitor.Type: GrantFiled: March 19, 2018Date of Patent: October 26, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno
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Publication number: 20210319750Abstract: The present application discloses a current-driven display device capable of preventing a decrease in display quality due to luminance gradient or the like caused by a voltage drop in a power supply line while preventing an increase in circuit and processing necessary for driving a pixel circuit. In an organic EL display device, at a connection point of a high-level power supply line ELVDD with a pixel circuit 15 (Pix(n,k)) (n=1 to N; k=1 to M) on each branch wire ELVk, a display control circuit calculates a voltage drop ?Vn=V0?Vn caused by a current flowing in the branch wire ELVk in a data write period for the pixel circuit Pix(n,k), corrects corresponding pixel data (pixel data for Pix(n,k)) do in input image data based on the voltage drop ?Vn, and generates a driving image data signal Sdda to be given to a data-side drive circuit based on the corrected pixel data dcn.Type: ApplicationFiled: September 20, 2018Publication date: October 14, 2021Inventor: TETSUYA UENO
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Publication number: 20210319749Abstract: The present application discloses a current-driven display device capable of preventing a decrease in display quality due to luminance gradient caused by a voltage drop in a power supply line while preventing an increase in circuit and processing necessary for driving a pixel circuit. In an organic EL display device, a high-level power supply line ELVDD includes a trunk wire ELV0 and N branch wires ELV1 to ELVN diverging from the trunk wire ELV0 and arranged along the plurality of scanning signal lines G1 to GN, respectively.Type: ApplicationFiled: September 20, 2018Publication date: October 14, 2021Inventor: TETSUYA UENO
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Patent number: 11114031Abstract: The present disclosure discloses a current-driven display device that uses an internal compensation method and can display a good-quality image with no bright dots that are not included in intended display content. In a pixel circuit of an organic EL display device, a voltage of a gate terminal of a drive transistor is initialized before the voltage of a data signal line is written to a holding capacitor via the diode-connected drive transistors. At this time, an initialization voltage is applied to the gate terminal via a display element initialization transistor, a second light emission control transistor, and a threshold compensation transistor. By initializing the gate terminal with a configuration not including an initialization transistor provided between the gate terminal and an initialization voltage supply line as in the related art, voltage drop at the gate terminal due to leakage current of the transistor in an off state is suppressed.Type: GrantFiled: March 28, 2018Date of Patent: September 7, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno