Patents by Inventor Yoshiharu Hirakata
Yoshiharu Hirakata 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: 9719665Abstract: A light-emitting device includes a strip-like high flexibility region and a strip-like low flexibility region arranged alternately in a direction. The high flexibility region includes a flexible light-emitting panel. The low flexibility region includes the light-emitting panel and a support panel having a lower flexibility than that of the light-emitting panel and overlapping with the light-emitting panel. It is preferable that the light-emitting panel include an external connection electrode and that a length in the direction of a low flexibility region A that overlaps with the external connection electrode be longer than a length in the direction of a low flexibility region B that is closest to the region A.Type: GrantFiled: July 7, 2014Date of Patent: August 1, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yoshiharu Hirakata, Akio Endo
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Patent number: 9716208Abstract: Occurrence of a crosstalk phenomenon is prevented in a light-emitting device including a tandem element. The light-emitting device includes an insulating layer, a first lower electrode over the insulating layer, a second lower electrode over the insulating layer, a partition positioned over the insulating layer and between the first lower electrode and the second lower electrode, a first light-emitting unit over the first lower electrode, the partition, and the second lower electrode, intermediate layers over the first light-emitting unit, a second light-emitting unit over the intermediate layer, and an upper electrode over the second light-emitting unit. The partition has a first depression.Type: GrantFiled: December 17, 2013Date of Patent: July 25, 2017Assignees: Semiconductor Energy Laboratory Co., Ltd., Sharp Kabushiki KaishaInventors: Yoshitaka Dozen, Hisao Ikeda, Yoshiharu Hirakata, Manabu Niboshi, Katsuhiro Kikuchi, Shinichi Kawato, Takashi Ochi, Yuto Tsukamoto, Tomohiro Kosaka, Tomofumi Osaki
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Publication number: 20170205925Abstract: A novel input/output device that is highly convenient or reliable, or a novel data processor and a novel semiconductor device are provided. The inventors have devised a structure in which a display portion and an input portion are included; the display portion includes a first display element, a first conductive film electrically connected to the first display element, a second conductive film including a region overlapping with the first conductive film, an insulating film including a region between the second conductive film and the first conductive film, a pixel circuit electrically connected to the second conductive film, and a second display element electrically connected to the pixel circuit; the insulating film includes an opening; and the second conductive film is electrically connected to the first conductive film through the opening. The input portion has a function of sensing an object that approaches a region overlapping with the display portion.Type: ApplicationFiled: January 13, 2017Publication date: July 20, 2017Inventors: Shunpei YAMAZAKI, Yoshiharu HIRAKATA
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Publication number: 20170206835Abstract: A display panel includes a flexible substrate, a first display region, a second display region, and a third display region. The first display region has a quadrangle outline and includes a first side and a second side forming a first corner portion of the outline. The second display region is in contact with the first side and the width of the second display region in a direction parallel to the first side coincides with the length of the first side. The third display region is in contact with the second side and the width of the third display region in a direction parallel to the second side coincides with the length of the second side. The substrate includes a notch portion corresponding a region facing the first display region with the first corner portion provided therebetween.Type: ApplicationFiled: April 4, 2017Publication date: July 20, 2017Inventors: Yoshiharu HIRAKATA, Shunpei YAMAZAKI
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Patent number: 9711110Abstract: A dark portion in an image seen by a viewer is expressed more precisely, whereby the image given a greater sense of depth is displayed. A display device in which pixels each include a light-emitting module capable of emitting light having a spectral line half-width of less than or equal to 60 nm in a response time of less than or equal to 100 ?s and are provided at a resolution of higher than or equal to 80 ppi; the NTSC ratio is higher than or equal to 80%; and the contrast ratio is higher than or equal to 500, is provided with a circuit converting an image signal having a given grayscale into an image signal capable of representing an image on the low luminance side by high-level grayscale.Type: GrantFiled: March 15, 2013Date of Patent: July 18, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yoshiharu Hirakata
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Patent number: 9710013Abstract: A novel display panel that is highly convenient or reliable is provided. Alternatively, a novel display panel that consumes less power when used under external light is provided. The inventors have reached an idea of a structure including: a first display element including a first electrode, a common electrode overlapping with the first electrode, and a layer including a luminescent organic compound between the first electrode and the common electrode; a second display element including the common electrode, a second electrode overlapping with the common electrode, and a layer including liquid crystal between the second electrode and the common electrode; an insulating layer between the common electrode and the layer including liquid crystal; a first display region including a plurality of the first display elements; and a second display region including a plurality of the second display elements and overlapping with the first display region.Type: GrantFiled: August 4, 2015Date of Patent: July 18, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yoshiharu Hirakata, Shunpei Yamazaki
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Patent number: 9682544Abstract: A processing apparatus of a stack is provided. The stack includes two substrates attached to each other with a gap provided between their end portions. The processing apparatus includes a fixing mechanism that fixes part of the stack, a plurality of adsorption jigs that fix an outer peripheral edge of one of the substrates of the stack, and a wedge-shaped jig that is inserted into a corner of the stack. The plurality of adsorption jigs include a mechanism that allows the adsorption jigs to move separately in a vertical direction and a horizontal direction. The processing apparatus further includes a sensor sensing a position of the gap between the end portion in the stack. A tip of the wedge-shaped jig moves along a chamfer formed on an end surface of the stack. The wedge-shaped jig is inserted into the gap between the end portions in the stack.Type: GrantFiled: May 5, 2016Date of Patent: June 20, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kayo Kumakura, Tomoya Aoyama, Akihiro Chida, Kohei Yokoyama, Masakatsu Ohno, Satoru Idojiri, Hisao Ikeda, Hiroki Adachi, Yoshiharu Hirakata, Shingo Eguchi, Yasuhiro Jinbo
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Patent number: 9676175Abstract: A peeling apparatus including a support body supply unit, a support body hold unit, a transfer mechanism, and a first structure body. The first structure body has a convex surface. The support body supply unit has a function of unwinding a first support body and includes one of a pair of tension applying mechanisms. The support body hold unit includes the other of the pair of tension applying mechanisms. The pair of tension applying mechanisms applies tension to the first support body. The transfer mechanism has a function of transferring a process member. The first structure body has a function of bending back the first support body along the convex surface. The first structure body has a function of dividing the process member into a first member and a second member. An angle at which the first structure body bends back the first support body is an obtuse angle.Type: GrantFiled: June 16, 2015Date of Patent: June 13, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hiroki Adachi, Saki Eguchi, Masakatsu Ohno, Junpei Yanaka, Yoshiharu Hirakata
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Publication number: 20170160573Abstract: To provide a highly reliable liquid crystal display device including flexible substrates and a crystalline oxide semiconductor film for a backplane. The device includes a flexible first substrate, a flexible second substrate facing the first substrate, and a liquid crystal layer sealed between the substrates with a sealing member. The first substrate is provided with a layer including a transistor, an organic resin film over the transistor, a pixel electrode and a common electrode over the organic resin film, which partly overlap with each other with an insulating film provided therebetween, and an alignment film thereover. The transistor includes a crystalline oxide semiconductor film as a semiconductor layer where a channel is formed. Drying treatment is performed on the layer before the liquid crystal layer is sealed between the substrates, and steps from the drying treatment to sealing of the liquid crystal layer are performed without exposure to the air.Type: ApplicationFiled: February 21, 2017Publication date: June 8, 2017Inventors: Shunpei YAMAZAKI, Yoshiharu HIRAKATA, Daisuke KUBOTA, Akio YAMASHITA
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Publication number: 20170162830Abstract: In a light-emitting device where reflective electrodes are regularly arranged, occurrence of interference fringes due to reflection of light reflected by the reflective electrode is inhibited. A surface of the reflective electrode of a light-emitting element is provided with a plurality of depressions. The shapes of the plurality of depressions are different from each other and do not have rotational symmetry. Irregularity of the surface shape of the reflective electrode is increased, which inhibits interference of light reflected by the reflective electrode. To form the plurality of depressions in the surface of the reflective electrode, for example, a surface of an insulating layer that is a base of the reflective electrode is made uneven. Reflecting the surface shape of the insulating layer, the reflective electrode has an uneven surface.Type: ApplicationFiled: February 21, 2017Publication date: June 8, 2017Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yoshiharu Hirakata, Mika JIKUMARU, Yusuke KUBOTA, Daisuke KUBOTA, Tetsuji ISHITANI, Hideaki SHISHIDO
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Publication number: 20170148866Abstract: Display of a display device is made less likely to appear divided when a plurality of display panels are used as one screen. Provided is a display device including two display units and a foldable housing that includes a joint portion between the two display units and supports the two display units. Each display unit includes a display panel including a display region and a non-display region and a support having a first surface overlapped with the display region and a second surface that meets the first surface and is overlapped with the non-display region. The two display units are placed in the housing in an opened state such that the first surfaces of the supports face the same direction and the second surfaces of the supports face each other.Type: ApplicationFiled: February 6, 2017Publication date: May 25, 2017Inventors: Shunpei YAMAZAKI, Yoshiharu HIRAKATA, Hisao IKEDA
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Publication number: 20170139253Abstract: A signal line, a pixel connected to the signal line, a first conductive film connected to the pixel, a second conductive film including a region overlapping with the first conductive film, and a first insulating film including a region sandwiched between the first conductive film and the second conductive film and a second opening in the sandwiched region are included. The pixel includes a pixel circuit connected to the signal line, a third conductive film connected to the pixel circuit, a fourth conductive film including a region overlapping with the third conductive film, a second insulating film including a region sandwiched between the fourth conductive film and the third conductive film and an opening in the sandwiched region, a first display element electrically connected to the fourth conductive film, and a second display element connected to the pixel circuit.Type: ApplicationFiled: November 8, 2016Publication date: May 18, 2017Inventors: Yoshiharu HIRAKATA, Shunpei YAMAZAKI
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Patent number: 9647043Abstract: A display panel includes a flexible substrate, a first display region, a second display region, and a third display region. The first display region has a quadrangle outline and includes a first side and a second side forming a first corner portion of the outline. The second display region is in contact with the first side and the width of the second display region in a direction parallel to the first side coincides with the length of the first side. The third display region is in contact with the second side and the width of the third display region in a direction parallel to the second side coincides with the length of the second side. The substrate includes a notch portion corresponding a region facing the first display region with the first corner portion provided therebetween.Type: GrantFiled: August 4, 2016Date of Patent: May 9, 2017Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Yoshiharu Hirakata, Shunpei Yamazaki
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Publication number: 20170116929Abstract: A display panel includes a first display element, a first conductive film electrically connected to the first display element, a second conductive film including a region overlapping with the first conductive film, an insulating film including a region sandwiched between the second conductive film and the first conductive film, a pixel circuit electrically connected to the second conductive film, a second display element electrically connected to the pixel circuit, and a third display element electrically connected to the pixel circuit. In the structure, the insulating film has an opening, and the second conductive film is electrically connected to the first conductive film through the opening.Type: ApplicationFiled: October 19, 2016Publication date: April 27, 2017Inventor: Yoshiharu HIRAKATA
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Patent number: 9625764Abstract: A display device having high reliability is provided. A frame of a display device is narrowed. A display device such as a liquid crystal display device includes a first substrate, a second substrate overlapping with the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first sealant surrounding the liquid crystal layer between the first substrate and the second substrate, and a second sealant surrounding the first sealant, closing a gap between the first substrate and the second substrate, and extending to at least a side surface of the second substrate.Type: GrantFiled: August 13, 2013Date of Patent: April 18, 2017Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Takeshi Nishi
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Publication number: 20170102598Abstract: Provided is a novel display panel that is highly convenient or highly reliable, a novel input/output device that is highly convenient or highly reliable, or a method for manufacturing a novel display panel that is highly convenient or highly reliable. The present inventors conceived a structure including a first intermediate film, a first electrode including a region in contact with the first intermediate film, a pixel that includes a first display element including the first electrode and a pixel circuit electrically connected to the first display element, a signal line electrically connected to the pixel, and a terminal that includes a third conductive film electrically connected to the signal line and a second intermediate film including a region in contact with the third conductive film.Type: ApplicationFiled: October 4, 2016Publication date: April 13, 2017Inventors: Masataka NAKADA, Masahiro KATAYAMA, Seiji YASUMOTO, Hiroki ADACHI, Masataka SATO, Koji KUSUNOKI, Yoshiharu HIRAKATA
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Publication number: 20170103697Abstract: Power consumption of a display device is reduced. The display quality of the display device is improved. Video with high display quality is displayed regardless of the usage environment. The display device includes a first pixel performing display with reflected light, a second pixel including a light source and performing display with light from the light source, a driver portion driving the first pixel and the second pixel, a photometric portion measuring and outputting illuminance of the external light, and a control portion generating a first gray level output to the first pixel and a second gray level output to the second pixel on the basis of information of the illuminance input from the photometric portion and outputting the first and second gray levels to the driver portion.Type: ApplicationFiled: October 5, 2016Publication date: April 13, 2017Inventors: Susumu KAWASHIMA, Yoshiharu HIRAKATA, Daisuke KUBOTA
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Patent number: 9612496Abstract: A liquid crystal display device whose power consumption is reduced while image quality is prevented from being degraded is provided. Further, a method for driving a liquid crystal display device whose power consumption is reduced while image quality is prevented from being degraded is provided. The liquid crystal display device includes a transistor whose leakage current in an off state is reduced and a liquid crystal element. The capacitance of a pixel satisfies the formula (1) and the formula (2).Type: GrantFiled: July 8, 2013Date of Patent: April 4, 2017Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Hiroyuki Miyake, Yoshiharu Hirakata
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Publication number: 20170090246Abstract: Provided is a novel display device which is highly convenient and reliable. The display device includes a first display element, a second display element, and a pixel circuit. The first display element includes a first electrode and a liquid crystal layer. The second display element includes a second electrode and a light-emitting layer. The first electrode includes a reflective film. The reflective film includes an opening. The first electrode and the second electrode are electrically connected to the pixel circuit. The light-emitting layer includes a quantum dot. The second display element is configured emit light toward the opening. The first display element and the second display element are configured to perform display in the same direction.Type: ApplicationFiled: September 20, 2016Publication date: March 30, 2017Inventors: Satoshi SEO, Yoshiharu HIRAKATA
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Publication number: 20170082882Abstract: A novel input/output device that is highly convenient or reliable is provided. A novel data processor that is highly convenient or reliable is provided. A novel semiconductor device that is highly convenient or reliable is provided. A structure including a display portion and an input portion is provided. The display portion includes a first display element; a first conductive film electrically connected to the first display element; a second conductive film including a region overlapping with the first conductive film; an insulating film including a region between the second conductive film and the first conductive film; a pixel circuit electrically connected to the second conductive film; and a second display element electrically connected to the pixel circuit. The insulating film has an opening. The second conductive film is electrically connected to the first conductive film through the opening.Type: ApplicationFiled: September 12, 2016Publication date: March 23, 2017Inventors: Yoshiharu HIRAKATA, Shunpei YAMAZAKI