Patents by Inventor Masaaki Hiroki

Masaaki Hiroki 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).

  • Method of Manufacturing a Semiconductor Device
    Publication number: 20150348855
    Abstract: The present invention supplies a manufacturing method of a semiconductor device, which includes a non-contact inspection process capable of confirming if a circuit or circuit element formed on an array substrate is normally performed and can decrease a manufacturing cost by eliminating wastes to keep a defective product forming. An electromotive force generated by electromagnetic induction is rectified and shaped by using primary coils formed on a check substrate and secondary coils formed on an array substrate, whereby a power source voltage and a driving signal are supplied to circuits or circuit elements on a TFT substrate so as to be driven.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 3, 2015
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Shunpei YAMAZAKI
  • Measuring Method, Inspection Method, Inspection Device, Semiconductor Device, Method of Manufacturing a Semiconductor Device, and Method of Manufacturing an Element Substrate
    Publication number: 20150309086
    Abstract: An inspection method which simplifies an inspection step by eliminating the need to set probes on wiring or probe terminals, and an inspection device for performing the inspection step. A voltage is applied to each of inspected circuits or circuit elements to operate the same. Signal processing is performed on an output from each inspected circuit or circuit element during operation to form a signal (operation information signal) including information on the operating condition of the circuit or the circuit element. The operation information signal is amplified and the amplitude of an alternating current voltage separately input is modulated with the amplified operation information signal. The voltage of the modulated alternating current is read in a non-contact manner to determine whether the corresponding circuit or circuit element is non-defective or defective.
    Type: Application
    Filed: July 6, 2015
    Publication date: October 29, 2015
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Masaaki Hiroki
  • Display device
    Patent number: 9142593
    Abstract: To suppress a loss of data in a semiconductor device. To provide a display device including a capacitor storing data, a display element performing display in accordance with the data, and switching elements connected to electrodes of the capacitor. In the display device, the voltage is held between the electrodes of the capacitor by turning the switching elements off; thus, the data can be stored even when supplying the power supply is stopped.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: September 22, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shinya Okano, Shigeru Onoya, Seiko Inoue, Masaaki Hiroki
  • ELECTRONIC DEVICE
    Publication number: 20150261254
    Abstract: A structure suitable for a portable information terminal or a wearable device is provided. In addition, an electronic device having a novel structure that can have various forms is provided. It is preferable that a buffer layer which absorbs a difference in the amount of change in form be provided between adjacent film substrates which overlap with each other. As the buffer layer, a gelled resin material, a rubber resin material, a liquid material, an air layer, or the like can be used. Furthermore, an optical film such as a polarizing film or a color filter may be used as the buffer layer. A plurality of buffer layers may be provided in an electronic device.
    Type: Application
    Filed: March 9, 2015
    Publication date: September 17, 2015
    Inventors: Masaaki HIROKI, Daisuke FURUMATSU
  • Electronic Device
    Publication number: 20150261259
    Abstract: Provided is an electronic device with high portability and/or high browsability. The electronic device includes first and second support bodies, a first hinge, and a flexible display panel. The first hinge has a first rotation axis and connects the first and second support bodies to each other, and the first and second support bodies are capable of relatively rotating on the first rotation axis. The display panel includes at least first and second portions supported by the first and second support bodies, respectively; the first rotation axis and a first plane including the display surface overlapping with the first portion or a second plane including the display surface overlapping with the second portion are parallel to each other; and each of a distance between the first rotation axis and the first plane or the second plane is greater than zero.
    Type: Application
    Filed: February 24, 2015
    Publication date: September 17, 2015
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Akio Endo, Shigeru ONOYA, Masaaki HIROKI
  • POWER STORAGE UNIT AND SOLAR POWER GENERATION UNIT
    Publication number: 20150255839
    Abstract: Disclosed is a power storage unit which can safely operate over a wide temperature range. The power storage unit includes: a power storage device; a heater for heating the power storage device; a temperature sensor for sensing the temperature of the power storage device; and a control circuit configured to inhibit charge of the power storage device when its temperature is lower than a first temperature or higher than a second temperature. The first temperature is exemplified by a temperature which allows the formation of a dendrite over a negative electrode of the power storage device, whereas the second temperature is exemplified by a temperature which causes decomposition of a passivating film formed over a surface of a negative electrode active material.
    Type: Application
    Filed: May 19, 2015
    Publication date: September 10, 2015
    Inventors: Minoru TAKAHASHI, Shunpei YAMAZAKI, Masaaki HIROKI, Kei TAKAHASHI, Junpei MOMO
  • Light-Emitting Module, Light-Emitting Panel, and Lighting Device
    Publication number: 20150249116
    Abstract: An object is to provide a light-emitting module in which a light-emitting element suffering a short-circuit failure does not cause wasteful electric power consumption. Another object is to provide a light-emitting panel in which a light-emitting element suffering a short-circuit failure does not allow the reliability of an adjacent light-emitting element to lower. Focusing on heat generated by a light-emitting element suffering a short-circuit failure, provided is a structure in which electric power is supplied to a light-emitting element through a positive temperature coefficient thermistor (PTC thermistor) thermally coupled with the light-emitting element.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Satoshi Seo, Yasuo Nakamura
  • CURRENT COLLECTOR, SECONDARY BATTERY, ELECTRONIC DEVICE, AND MANUFACTURING METHOD THEREOF
    Publication number: 20150243962
    Abstract: An object is to provide a secondary battery suitable for a wearable device. Another object is to provide a novel power storage device. Part of an electrode, specifically a current collector and an active material layer, for a secondary battery is subjected to cutting processing to have a complex shape. This suppresses the positional shift of an end portion of an electrode far from a curvature center from an electrode close to the curvature center due to the larger degree of bending of the electrode far from the curvature center than that of the electrode close to the curvature center, or relieves tension to be applied to the electrode far from the curvature center.
    Type: Application
    Filed: February 9, 2015
    Publication date: August 27, 2015
    Inventors: Masaaki HIROKI, Ryota TAJIMA
  • Display device and method for operating the same
    Patent number: 9117415
    Abstract: A display device comprises a display panel composed of a pixel portion in which a plurality of TFTs are arranged in matrix, a source driver, and a gate driver, an image signal processing circuit for processing an image signal input from an external, and a control circuit for controlling the display panel and the image signal processing circuit. The image signal processing circuit corrects the image signal on the basis of a correction table. By feeding the display panel with the corrected image signal, the display device can provide a good quality image.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: August 25, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Jun Koyama, Masaaki Hiroki, Munehiro Azami, Mitsuaki Osame, Yutaka Shionoiri, Shou Nagao
  • Power storage unit and solar power generation unit
    Patent number: 9088056
    Abstract: Disclosed is a power storage unit which can safely operate over a wide temperature range. The power storage unit includes: a power storage device; a heater for heating the power storage device; a temperature sensor for sensing the temperature of the power storage device; and a control circuit configured to inhibit charge of the power storage device when its temperature is lower than a first temperature or higher than a second temperature. The first temperature is exemplified by a temperature which allows the formation of a dendrite over a negative electrode of the power storage device, whereas the second temperature is exemplified by a temperature which causes decomposition of a passivating film formed over a surface of a negative electrode active material.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: July 21, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Minoru Takahashi, Shunpei Yamazaki, Masaaki Hiroki, Kei Takahashi, Junpei Momo
  • Method of manufacturing a semiconductor device
    Patent number: 9047796
    Abstract: The present invention supplies a manufacturing method of a semiconductor device, which includes a non-contact inspection process capable of confirming if a circuit or circuit element formed on an array substrate is normally performed and can decrease a manufacturing cost by eliminating wastes to keep a defective product forming. An electromotive force generated by electromagnetic induction is rectified and shaped by using primary coils formed on a check substrate and secondary coils formed on an array substrate, whereby a power source voltage and a driving signal are supplied to circuits or circuit elements on a TFT substrate so as to be driven.
    Type: Grant
    Filed: May 17, 2014
    Date of Patent: June 2, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Shunpei Yamazaki
  • Light-emitting module, light-emitting panel, and lighting device
    Patent number: 9035337
    Abstract: An object is to provide a light-emitting module in which a light-emitting element suffering a short-circuit failure does not cause wasteful electric power consumption. Another object is to provide a light-emitting panel in which a light-emitting element suffering a short-circuit failure does not allow the reliability of an adjacent light-emitting element to lower. Focusing on heat generated by a light-emitting element suffering a short-circuit failure, provided is a structure in which electric power is supplied to a light-emitting element through a positive temperature coefficient thermistor (PTC thermistor) thermally coupled with the light-emitting element.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: May 19, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaaki Hiroki, Satoshi Seo, Yasuo Nakamura
  • SECONDARY BATTERY AND ELECTRONIC DEVICE
    Publication number: 20150111088
    Abstract: To provide a secondary battery that is suitable to a portable information terminal or a wearable device. To provide an electronic device having a novel structure that can have various forms and a secondary battery that fits the forms of the electronic device. The secondary battery includes a film provided with depressions or projections that can ease stress on the film due to application of external force. The sizes of the depressions or projections are different between a center portion and an end portion of the film. The end portion of the film is sealed with an adhesive layer. The depressions or projections of the film are formed by pressing such as embossing.
    Type: Application
    Filed: October 8, 2014
    Publication date: April 23, 2015
    Inventors: Masaaki HIROKI, Daisuke FURUMATSU
  • DISPLAY DEVICE
    Publication number: 20150060896
    Abstract: To suppress a loss of data in a semiconductor device. To provide a display device including a capacitor storing data, a display element performing display in accordance with the data, and switching elements connected to electrodes of the capacitor. In the display device, the voltage is held between the electrodes of the capacitor by turning the switching elements off; thus, the data can be stored even when supplying the power supply is stopped.
    Type: Application
    Filed: August 28, 2014
    Publication date: March 5, 2015
    Inventors: Shinya Okano, Shigeru Onoya, Seiko Inoue, Masaaki Hiroki
  • ELECTRONIC DEVICE
    Publication number: 20150022957
    Abstract: An electronic device of a novel embodiment, specifically an arm-worn electronic device used while being worn on an arm, is provided. An arm-worn secondary battery used while being worn on an arm is provided. An electronic device is provided, which includes a structure body having a curved surface as a support structure body, a flexible secondary battery including a film as an exterior body over the curved surface of the support structure body, and a display portion including a plurality of display elements between a pair of films over the secondary battery. The plurality of display elements and the secondary battery overlap with each other at least partly. It is possible to provide an electronic device which has a small maximum thickness of 1 cm or less and a light weight of 50 g or less even when an arm-worn secondary battery is provided with a display portion.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 22, 2015
    Inventors: Masaaki Hiroki, Haruki Katagiri, Shinya Okano
  • Light Emitting Device and Method of Manufacturing the Same
    Publication number: 20150008458
    Abstract: To provide a light emitting device high in reliability with a pixel portion having high definition with a large screen. According to a light emitting device of the present invention, on an insulator (24) provided between pixel electrodes, an auxiliary electrode (21) made of a metal film is formed, whereby a conductive layer (20) made of a transparent conductive film in contact with the auxiliary electrode can be made low in resistance and thin. Also, the auxiliary electrode (21) is used to achieve connection with an electrode on a lower layer, whereby the electrode can be led out with the transparent conductive film formed on an EL layer. Further, a protective film (32) made of a film containing hydrogen and a silicon nitride film which are laminated is formed, whereby high reliability can be achieved.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 8, 2015
    Inventors: Shunpei Yamazaki, Masaaki Hiroki, Masakazu Murakami, Hideaki Kuwabara
  • EL display device and a method of manufacturing the same
    Patent number: 8884301
    Abstract: To provide a high throughput film deposition means for film depositing an organic EL material made of polymer accurately and without any positional shift. A pixel portion is divided into a plurality of pixel rows by a bank, and a head portion of a thin film deposition apparatus is scanned along a pixel row to thereby simultaneously apply a red light emitting layer application liquid, a green light emitting layer application liquid, and a blue light emitting layer application liquid in stripe shapes. Heat treatment is then performed to thereby form light emitting layers luminescing each of the colors red, green, and blue.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: November 11, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Kunitaka Yamamoto, Masaaki Hiroki, Takeshi Fukunaga
  • Light-emitting element and light-emitting device
    Patent number: 8866171
    Abstract: To provide a light-emitting element or a light-emitting device in which power is not consumed wastefully even if a short-circuit failure occurs. The present invention focuses on heat generated due to a short-circuit failure which occurs in a light-emitting element. A fusible alloy which is melted at temperature T2 by heat generated due to the short-circuit failure when the short-circuit failure occurs is used for at least one of a pair of electrodes in a light-emitting element, and a layer containing an organic composition which is melted at temperature T1 is formed on a surface of the electrode opposite to a surface facing the other electrode. The present inventors have reached a structure in which the temperature T2 is lower than temperature T3 at which the light-emitting element is damaged and the temperature T1 is lower than the temperature T2, and this structure can achieve the objects.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: October 21, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasuo Nakamura, Satoshi Seo, Masaaki Hiroki
  • SEMICONDUCTOR DEVICE AND METHOD FOR DRIVING THE SAME
    Publication number: 20140310533
    Abstract: An object is to solve all of the following problems caused when a volatile register and a non-volatile register are used as registers in a processor: degradation of the integrity of data stored in the non-volatile register; loss of data security due to the processor and a non-volatile memory device that are provided apart from each other; and slow data processing speed due to wiring delay or the like caused by these devices provided apart from each other. When data maintained in the volatile register is stored in the non-volatile register before supply of power supply voltage is stopped, the data is encrypted by an encryption circuit and stored in a non-volatile memory device that is provided separately from the processor. Then, the data stored in the non-volatile register is compared with the compressed and encrypted data stored in the non-volatile memory device.
    Type: Application
    Filed: April 10, 2014
    Publication date: October 16, 2014
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Yutaka Shionoiri, Tomoaki Atsumi, Masaaki Hiroki
  • Portable information terminal
    Patent number: D736768
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: August 18, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideaki Kuwabara, Masaaki Hiroki