Patents by Inventor Masafumi Hirata
Masafumi Hirata 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: 20240321084Abstract: An appropriate response to an event is recommended to a monitoring person. An event detection unit (12) detects an event based on video data, and an alert unit (13) issues a first alert when a first event is detected, and issues a second alert that is distinguished from the first alert when a second event relating to the first event is further detected in addition to the first event.Type: ApplicationFiled: June 5, 2024Publication date: September 26, 2024Applicant: NEC CorporationInventors: Satoshi HIRATA, Hajime Yamashita, Genki Yamamoto, Masafumi Shibata, Dai Hashimoto, Takahiro Kimoto, Youhei Takahashi
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Patent number: 12046128Abstract: An appropriate response to an event is recommended to a monitoring person. An event detection unit (12) detects an event based on video data, and an alert unit (13) issues a first alert when a first event is detected, and issues a second alert that is distinguished from the first alert when a second event relating to the first event is further detected in addition to the first event.Type: GrantFiled: March 31, 2020Date of Patent: July 23, 2024Assignee: NEC CORPORATIONInventors: Satoshi Hirata, Hajime Yamashita, Genki Yamamoto, Masafumi Shibata, Dai Hashimoto, Takahiro Kimoto, Youhei Takahashi
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Patent number: 11302719Abstract: A thin film transistor substrate includes: a plurality of gate signal lines extending in a first direction; a plurality of gate lead-out lines and a plurality of dummy gate lead-out lines extending in a second direction; a plurality of common lines extending in at least one of the first direction and the second direction in the pixel region; and a common electrode provided opposite to a pixel electrode and electrically connected to the plurality of common lines. The plurality of gate lead-out lines are connected to the gate signal lines at least at one point of a plurality of intersections between the plurality of gate signal lines and the plurality of gate lead-out lines, and the common potential is applied to the plurality of dummy gate lead-out lines.Type: GrantFiled: November 25, 2019Date of Patent: April 12, 2022Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Yugo Takeda, Masafumi Hirata, Hiroaki Iwato
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Patent number: 10989972Abstract: A liquid crystal display device includes: common electrodes that are opposed to pixel electrodes respectively; a detection circuit that detects a waveform of a common potential at the plurality of common electrodes; and a determination circuit that determines abnormality of the liquid crystal display device based on the waveform detected by the detection circuit. A plurality of pixels are divided into a plurality of segments, the common electrodes are provided corresponding to the plurality of segments, and the detection circuit detects the waveform of the common potential at each of the common electrodes when a predetermined data signal is input to at least one of data signal lines whiled a predetermined gate signal is input to at least one of gate signal lines.Type: GrantFiled: March 25, 2019Date of Patent: April 27, 2021Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Masafumi Hirata, Masashi Kuno
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Patent number: 10845650Abstract: A curved surface display comprises: a first substrate that is curved such that a portion located at a center in a first direction is convex or concave toward a display surface side compared with portions located at both ends in the first direction; a second substrate that is curved along the first substrate while disposed opposite the first substrate; and a sealing material that bonds the first substrate and the second substrate together. The sealing material includes a first sealing section extending in a second direction and a second sealing section extending in the first direction. A width of the first sealing section is larger than a width of the second sealing section.Type: GrantFiled: August 7, 2018Date of Patent: November 24, 2020Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshiki Nakano, Akira Isikawa, Masafumi Hirata, Tsutomu Abe, Naotoshi Sumiya, Takeshi Aramaki, Masashi Kuno
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Patent number: 10782581Abstract: A display device including a curved display surface. The display device comprises a first substrate bent in a first direction, a second substrate that is bent in the first direction, spacers disposed between the first substrate and the second substrate; and bases holding the spacers. The first substrate includes data lines and gate lines, the bases includes: a central base disposed on around a center in the first direction of the display surface; an end base disposed on around an end in the first direction of the display surface; and intermediate bases disposed between the central base and the end base in the first direction, and a width in the first direction of one of intermediate bases is larger than a width in the first direction of the central base.Type: GrantFiled: September 25, 2018Date of Patent: September 22, 2020Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Masafumi Hirata, Hiroaki Goto
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Publication number: 20200176481Abstract: A thin film transistor substrate includes: a plurality of gate signal lines extending in a first direction; a plurality of gate lead-out lines and a plurality of dummy gate lead-out lines extending in a second direction; a plurality of common lines extending in at least one of the first direction and the second direction in the pixel region; and a common electrode provided opposite to a pixel electrode and electrically connected to the plurality of common lines. The plurality of gate lead-out lines are connected to the gate signal lines at least at one point of a plurality of intersections between the plurality of gate signal lines and the plurality of gate lead-out lines, and the common potential is applied to the plurality of dummy gate lead-out lines.Type: ApplicationFiled: November 25, 2019Publication date: June 4, 2020Inventors: Yugo TAKEDA, Masafumi HIRATA, Hiroaki IWATO
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Patent number: 10643514Abstract: A display device comprises: inspection transistors electrically connected to signal lines respectively; an inspection wiring through which an inspection signal is supplied to the inspection transistors; and an abnormality determination unit that determines whether the display panel is abnormal. The signal line is electrically connected to a gate electrode of the inspection transistor, and the abnormality determination unit determines whether the display panel is abnormal based on a voltage level of the inspection signal outputted from a source electrode of the inspection transistor.Type: GrantFiled: August 8, 2018Date of Patent: May 5, 2020Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hiroaki Goto, Masafumi Hirata
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Publication number: 20190371221Abstract: A display device comprising: source lines; gate lines; selection transistors in each of which a first conduction electrode is electrically connected to each of the gate lines; selection signal supply lines each electrically connected to the control electrode of at least two of the selection transistors; gate voltage supply lines each connected to the second conduction electrode of at least two of the selection transistors; a gate driver electrically connected to the selection signal supply lines and the gate voltage supply lines; failure detection transistors in each of which a control electrode is electrically connected to each of the gate lines; monitor input signal lines each electrically connected the first conduction electrode of at least two of the failure detection transistors; and monitor output signal lines each electrically connected to the second conduction electrode of at least two of the failure detection transistors.Type: ApplicationFiled: August 16, 2019Publication date: December 5, 2019Inventors: Hiroaki GOTO, Masafumi HIRATA, Nagatoshi KURAHASHI, Yoshihisa OOISHI
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Patent number: 10473983Abstract: A display panel has a variant external shape. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, liquid crystal sealed between the first substrate and the second substrate, a seal made of a photosetting material, the seal being provided outside a display region, the seal being used to seal the liquid crystal by bonding the first substrate and the second substrate together, and a metallic pattern provided in the first substrate or the second substrate, including a plurality of slits through which light with which the seal is irradiated passes. The plurality of slits are formed along the external shape of the display panel in at least a portion corresponding to a variant portion of the display panel.Type: GrantFiled: November 20, 2017Date of Patent: November 12, 2019Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Masafumi Hirata, Nagatoshi Kurahashi
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Publication number: 20190302558Abstract: A liquid crystal display device includes: common electrodes that are opposed to pixel electrodes respectively; a detection circuit that detects a waveform of a common potential at the plurality of common electrodes; and a determination circuit that determines abnormality of the liquid crystal display device based on the waveform detected by the detection circuit. A plurality of pixels are divided into a plurality of segments, the common electrodes are provided corresponding to the plurality of segments, and the detection circuit detects the waveform of the common potential at each of the common electrodes when a predetermined data signal is input to at least one of data signal lines whiled a predetermined gate signal is input to at least one of gate signal lines.Type: ApplicationFiled: March 25, 2019Publication date: October 3, 2019Inventors: Masafumi HIRATA, Masashi KUNO
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Patent number: 10416490Abstract: A curved display comprises a first substrate 100 and a second substrate 200 that are disposed opposite to each other and both curved along the first direction. The first substrate includes data lines 11 and gate lines 12. The second substrate includes light transmission parts 202 and a light shielding part 203. The light shielding part includes first light shielding portions 203b extending in the first direction and second light shielding portions 203a extending in a second direction. The second light shielding portions include a central light shielding portion a5, a first end light shielding portion al disposed on one end side in the first direction, and a middle light shielding portion disposed therebetween. A width in the first direction of the middle light shielding portion is greater than or equal to that of the central light shielding portion and the first end light shielding portion.Type: GrantFiled: July 31, 2018Date of Patent: September 17, 2019Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Masafumi Hirata, Hiroaki Goto, Takeshi Aramaki, Masashi Kuno
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Patent number: 10223950Abstract: Provided is a display panel, including: a display region having an anomaly shape; a plurality of first test transistors; a plurality of second test transistors; and test control signal supply wiring through which a control signal for turning on or off the first and second test transistors is to be supplied, in which first test transistors connected to gate lines crossing an anomaly part of the anomaly shape and second test transistors connected to data lines crossing the anomaly part are arranged in other patterns than a straight line, and in which the test control signal supply wiring includes first test control signal supply wiring, which is connected to control electrodes of the plurality of first test transistors, and second test control signal supply wiring, which is branched out from the first test control signal supply wiring and is connected to control electrodes of the plurality of second test transistors.Type: GrantFiled: May 18, 2016Date of Patent: March 5, 2019Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventor: Masafumi Hirata
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Publication number: 20190025623Abstract: A display device including a curved display surface. The display device comprises a first substrate bent in a first direction, a second substrate that is bent in the first direction, spacers disposed between the first substrate and the second substrate; and bases holding the spacers. The first substrate includes data lines and gate lines, the bases includes: a central base disposed on around a center in the first direction of the display surface; an end base disposed on around an end in the first direction of the display surface; and intermediate bases disposed between the central base and the end base in the first direction, and a width in the first direction of one of intermediate bases is larger than a width in the first direction of the central base.Type: ApplicationFiled: September 25, 2018Publication date: January 24, 2019Inventors: Masafumi HIRATA, Hiroaki GOTO
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Publication number: 20180350285Abstract: A display device comprises: inspection transistors electrically connected to signal lines respectively; an inspection wiring through which an inspection signal is supplied to the inspection transistors; and an abnormality determination unit that determines whether the display panel is abnormal. The signal line is electrically connected to a gate electrode of the inspection transistor, and the abnormality determination unit determines whether the display panel is abnormal based on a voltage level of the inspection signal outputted from a source electrode of the inspection transistor.Type: ApplicationFiled: August 8, 2018Publication date: December 6, 2018Inventors: Hiroaki GOTO, Masafumi HIRATA
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Publication number: 20180348557Abstract: A curved surface display comprises: a first substrate that is curved such that a portion located at a center in a first direction is convex or concave toward a display surface side compared with portions located at both ends in the first direction; a second substrate that is curved along the first substrate while disposed opposite the first substrate; and a sealing material that bonds the first substrate and the second substrate together. The sealing material includes a first sealing section extending in a second direction and a second sealing section extending in the first direction. A width of the first sealing section is larger than a width of the second sealing section.Type: ApplicationFiled: August 7, 2018Publication date: December 6, 2018Inventors: Yoshiki NAKANO, Akira ISIKAWA, Masafumi HIRATA, Tsutomu ABE, Naotoshi SUMIYA, Takeshi ARAMAKI, Masashi KUNO
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Publication number: 20180335663Abstract: A curved display comprises a first substrate 100 and a second substrate 200 that are disposed opposite to each other and both curved along the first direction. The first substrate includes data lines 11 and gate lines 12. The second substrate includes light transmission parts 202 and a light shielding part 203. The light shielding part includes first light shielding portions 203b extending in the first direction and second light shielding portions 203a extending in a second direction. The second light shielding portions include a central light shielding portion a5, a first end light shielding portion al disposed on one end side in the first direction, and a middle light shielding portion disposed therebetween. A width in the first direction of the middle light shielding portion is greater than or equal to that of the central light shielding portion and the first end light shielding portion.Type: ApplicationFiled: July 31, 2018Publication date: November 22, 2018Inventors: Masafumi HIRATA, Hiroaki GOTO, Takeshi ARAMAKI, Masashi KUNO
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Patent number: 10128276Abstract: A display panel includes selection transistors connected to ends of gate lines, first inspection transistors connected to data lines, second inspection transistors provided in each group, a first conductive electrode of each of second inspection transistors being connected to the control electrode of each of the selection transistors, inspection selection signal supply wirings connected to a second conductive electrode of each of second inspection transistors, each of inspection selection signal supply wirings supplying a control signal for turning on or off the second inspection transistor; and an inspection control signal supply wiring connected to a control electrode of each of first inspection transistors and a control electrode of each of the second inspection transistors, the inspection control signal supply wiring supplying a control signal for turning on or off the first and second inspection transistors. The selection transistors and the second inspection transistors are arranged in a display region.Type: GrantFiled: November 21, 2017Date of Patent: November 13, 2018Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Nobuyuki Seto, Nagatoshi Kurahashi, Daisuke Kanemoto, Masafumi Hirata, Norimichi Shirai
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Patent number: 10061153Abstract: A curved display comprises a first substrate 100 and a second substrate 200 that are disposed opposite to each other and both curved along the first direction. The first substrate includes data lines 11 and gate lines 12. The second substrate includes light transmission parts 202 and a light shielding part 203. The light shielding part includes first light shielding portions 203b extending in the first direction and second light shielding portions 203a extending in a second direction. The second light shielding portions include a central light shielding portion a5, a first end light shielding portion a1 disposed on one end side in the first direction, and a middle light shielding portion disposed therebetween. A width in the first direction of the middle light shielding portion is greater than or equal to that of the central light shielding portion and the first end light shielding portion.Type: GrantFiled: March 6, 2017Date of Patent: August 28, 2018Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Masafumi Hirata, Hiroaki Goto, Takeshi Aramaki, Masashi Kuno
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Publication number: 20180122828Abstract: A display panel includes selection transistors connected to ends of gate lines, first inspection transistors connected to data lines, second inspection transistors provided in each group, a first conductive electrode of each of second inspection transistors being connected to the control electrode of each of the selection transistors, inspection selection signal supply wirings connected to a second conductive electrode of each of second inspection transistors, each of inspection selection signal supply wirings supplying a control signal for turning on or off the second inspection transistor; and an inspection control signal supply wiring connected to a control electrode of each of first inspection transistors and a control electrode of each of the second inspection transistors, the inspection control signal supply wiring supplying a control signal for turning on or off the first and second inspection transistors. The selection transistors and the second inspection transistors are arranged in a display region.Type: ApplicationFiled: November 21, 2017Publication date: May 3, 2018Inventors: Nobuyuki Seto, Nagatoshi Kurahashi, Daisuke Kanemoto, Masafumi Hirata, Norimichi Shirai