Patents Examined by Jerry Brooks
  • Patent number: 10372025
    Abstract: An optical device includes a light modulation device disposed on an optical axis of incident light, and a holding section configured to hold the light modulation device. The holding section includes an inflow part to which a liquid supplied from an outside of the holding section inflows, a flow channel forming part disposed along a circumferential edge of the light modulation device so as to have an annular shape, and having a flow channel through which the liquid flowed from the inflow part circulates, and an outflow part from which the liquid having flowed through the flow channel outflows to the outside of the holding section. At least one of an inside of the inflow part and an inside of the flow channel is provided with at least one projection.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: August 6, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kensaku Matsumoto, Kaname Nagatani
  • Patent number: 10261400
    Abstract: An optical device includes a light modulation device disposed on an optical axis of incident light, and a holding section configured to hold the light modulation device. The holding section includes an inflow part to which a liquid supplied from an outside of the holding section inflows, a flow channel forming part disposed along a circumferential edge of the light modulation device so as to have an annular shape, and having a flow channel through which the liquid flowed from the inflow part circulates, and an outflow part from which the liquid having flowed through the flow channel outflows to the outside of the holding section. At least one of an inside of the inflow part and an inside of the flow channel is provided with at least one projection.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: April 16, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kensaku Matsumoto, Kaname Nagatani
  • Patent number: 10254899
    Abstract: An optical apparatus includes a touch substrate; a waveguide layer arranged on the touch substrate, the waveguide layer including a plurality of waveguides; an optical output structure arranged on the waveguide layer and configured to output light propagating in the plurality of waveguides at touched locations on the touch substrate; a gap layer arranged to provide a predetermined gap between the waveguide layer and the optical output structure; and an optical system, which projects light output by the optical output structure.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: April 9, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-taek Seo, Seung-hoon Han, Hong-seok Lee, Wan-joo Maeng
  • Patent number: 10257480
    Abstract: A projection display apparatus that can prevent deviation in the light quantity distribution of the projected image is provided. A projection display apparatus includes: a light source unit including a light emitting element; an image light generator modulating light from the light source unit to emit image light; a projecting unit projecting the image light; a polarization modulator on which the image light is made incident and that emits light in a particular polarization state; and a depolarizer arranged on the optical path between the light emitting element and the polarization modulator.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: April 9, 2019
    Assignee: NEC DISPLAY SOLUTIONS, LTD.
    Inventor: Shinichiro Chikahisa
  • Patent number: 10241385
    Abstract: According to an embodiment, a display device includes a reflecting member and a display. The reflecting member has a reflecting surface and has an optical property that reflected light of parallel light incident on the reflecting surface is focused a focal point. The reflecting member is fixed to a couch top on which a user lies down. The display has a display surface for displaying an image. The display is fixed to the couch top so that the display surface is positioned between the focal point and the reflecting surface to face the reflecting surface.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: March 26, 2019
    Assignee: Canon Medical Systems Corporation
    Inventors: Aira Hotta, Takashi Sasaki, Kazuo Horiuchi, Sayaka Takai, Tomoya Tsuruyama
  • Patent number: 10230930
    Abstract: An image projection apparatus includes an image generation element to form an image using light emitted from a light source, a shift unit to shift a position of the image generation element when a pixel shift mode is set, circuitry to generate, when the pixel shift mode is set, images used for the pixel shift mode based on image data input to the image projection apparatus, perform keystone correction processing to the generated images, and cause the processed images to be projected as the image by reciprocally shifting the position of the image generation element, or to perform, when the pixel shift mode is not set, the keystone correction processing to image data input to the image projection apparatus to generate an image applied with the keystone correction processing, and project the generated image without shifting the position of the image generation element.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: March 12, 2019
    Assignee: Ricoh Company Ltd.
    Inventor: Kouji Ohno
  • Patent number: 10222686
    Abstract: A light source system and a projection system include a first laser array generating a red laser light; a second laser array generating a blue laser light; a beam-splitting plate located on a light path of the first and second laser arrays, for directing some of the red laser light and some of the blue laser light to a wavelength conversion device and directing some of the blue laser light to a light scattering device. The wavelength conversion device has wavelength conversion materials for receiving the blue laser light and producing a converted light, and for receiving and scattering the red laser light to form a first red light. The light scattering device has a scattering material for scattering the blue laser light to form a blue light. A light combining device forms a combined light from the converted light, the first red light and the blue light.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: March 5, 2019
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei Hu, Haixiong Hou
  • Patent number: 10222685
    Abstract: A projection image display device includes: a light source that emits a blue illumination light; a phosphor that produces, in a region irradiated by the blue illumination light, a yellow illumination light including a component in a red band and a component in a green band from a portion of the blue illumination light and that reflects the blue illumination light and the yellow illumination light; and a filter that reflects a portion of the blue illumination light reflected by the phosphor toward the phosphor. The filter reflects the portion of the blue illumination light so as to be imaged at a position displaced from a region on a phosphor surface irradiated by the blue illumination light, and the phosphor produces a yellow illumination light also from the blue illumination light reflected by the filter.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: March 5, 2019
    Assignee: JVC KENWOOD Corporation
    Inventors: Shinji Kikuma, Takatsugu Aizaki, Yasuki Arihara
  • Patent number: 10215388
    Abstract: A projector and a light source module including a light emitting diode element, a pin connector, and two power cords are provided. The light emitting diode element has a first electrode and a second electrode. The pin connector is disposed on the light emitting diode element and has two connection pins, wherein each connection pin has a first connection end and a second connection end, and the two first connection ends respectively contact the first electrode and the second electrode. The two power cords are respectively connected to the first electrode and the second electrode through the two connection pins, wherein each power cord includes a joint and a wire connected to each other, each joint and the corresponding second connection end are mutually plugged along a first axial direction, each wire extends out from the corresponding joint along a second axial direction perpendicular to the first axial direction.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: February 26, 2019
    Assignee: Coretronic Corporation
    Inventors: I-Ming Liu, Fan-Chieh Chang
  • Patent number: 10216077
    Abstract: An illumination device includes a light source unit including a plurality of light source regions and outputting a first color light, a light branch element that reflects a light output from at least one light source region of the plurality of light source regions and branches the first color light into a first component and a second component traveling in different directions from each other, and a wavelength conversion element provided in an optical path of the second component and excited by the second component to output a fluorescent light containing a second color light. A position of the light branch element in an arrangement direction of the plurality of light source regions is adjustable.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: February 26, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Koichi Akiyama
  • Patent number: 10216071
    Abstract: An optical system has a first optical axis on an incident side and a second optical axis on an exit side, and the first optical axis and the second optical axis are located at different positions. The optical system includes a reflection unit including a roof surface having a first reflection surface and a second reflection surface, and a third reflection surface parallel or orthogonal to a ridge line of the roof surface. The third reflection surface is different from the first reflection surface and the second reflection surface. The reflection unit is rotatable about the first optical axis.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: February 26, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Saburo Sugawara, Makoto Takahashi, Junya Ichimura
  • Patent number: 10209608
    Abstract: A liquid crystal projector apparatus includes: a plurality of display elements configured to individually modulate light of color components different from one another; and a controller configured to control the individual temperatures of the plurality of display elements. When the temperature of the display element in which a temperature rise rate is slowest among the plurality of display elements does not reach a predetermined temperature, the controller controls so that the temperatures of other display elements stay within a predetermined range that takes as a reference the temperature of the display element in which the temperature rise rate is slowest.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: February 19, 2019
    Assignee: JVC KENWOOD CORPORATION
    Inventors: Toshiro Kohno, Mitsuharu Fukuda, Yoji Motomiya
  • Patent number: 10209610
    Abstract: In a laser light source module, a light source disposed on a base with a temperature adjusting element therebetween is covered by an inner cover, and is hermetically sealed by an outer cover. A top plate of the inner cover divides the inside of the outer cover into upper and lower sections and covers the light source from above. Side plates cover the side portions of the light source. Partitioning grid plates are provided in a space between the top plate and the outer cover, the partitioning grid plates dividing the space into multiple spaces.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: February 19, 2019
    Assignee: Hitachi-LG Data Storage, Inc.
    Inventors: Seiichi Katou, Ayano Otsubo, Tatsuya Yamasaki, Hiroshi Ogasawara, Kenji Watabe
  • Patent number: 10203589
    Abstract: A wavelength converter includes a rotating device, a substrate rotated by the rotating device, and a wavelength conversion element and a plurality of fins provided on a first surface of the substrate, and the first surface is so provided as to face an opening of an air introduction channel through which air for cooling the wavelength conversion element is introduced.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: February 12, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Kunihiko Takagi
  • Patent number: 10197796
    Abstract: In a projection apparatus, the synchronization signal generation unit is configured to output synchronization signals for controlling timing of switching a color of light output from the light source unit, the synchronization signals including a synchronization signal used for turning off one of the first and second light-emitting elements in synchronization with the detection signal, and a synchronization signal used for turning on the other light-emitting element at a next period. The control unit is configured to set an interval during which power supplied to the first and second light-emitting elements of the light source unit is stopped at all periods, based on the synchronization signals.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: February 5, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Kiyoshi Oda
  • Patent number: 10190743
    Abstract: A display device (30) comprises a reflective display (38) arranged to render a first image viewable through a viewing surface and a projection means (31-37) arranged to render a second image viewable in reflection on the viewing surface, the reflective display (38) and the projection means (31-37) being mounted on a common frame.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: January 29, 2019
    Assignee: E Ink Corporation
    Inventors: Dirk Hertel, Richard J. Paolini, Benjamin Harris Paletsky, Stephen J. Telfer, Sunil Krishna Sainis, David Paul Biss, Stephen Dennis Fantone
  • Patent number: 10191363
    Abstract: Provided is a projection-type image display device which by means of a projection lens (2) magnifies and projects an optical image formed by a light source and an image display element, wherein an error indicator (5) for indicating anomalies in the device is disposed on the rear surface opposite the front surface of a device housing (1) to which the projection lens (2) is attached. The projection-type image display device further includes an AC voltage monitor unit (12) for monitoring voltage waveforms supplied form an external power source and retaining voltage waveform data during the latest prescribed period in a memory, and reads out the voltage waveform data from the external power source retained in the memory and displays the voltage waveform data on the error indicator (5) as said anomalies.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: January 29, 2019
    Assignee: MAXELL, LTD.
    Inventors: Koji Hirata, Miyuki Ikeda, Tatsuya Ishikawa, Hiroyuki Shinji
  • Patent number: 10171778
    Abstract: A liquid cooling apparatus has a chassis, a cover mounted on the chassis, and a dividing structure disposed in an inner chamber defined between the chassis and the cover. The dividing structure divides the inner chamber into a liquid inlet compartment and a liquid outlet compartment. The liquid inlet compartment communicates with the liquid outlet compartment via the recess. The liquid cooling apparatus can be installed on a first panel with the boss of the chassis mounted through a through hole of the first panel and thermally attached to a heat source on a second panel. A working fluid that flows into the liquid inlet compartment is forced to flow into the recess before flowing to the liquid outlet compartment by the dividing structure. Accordingly, heat generated by the heat source can be effectively dissipated.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: January 1, 2019
    Assignee: COOLER MASTER CO., LTD.
    Inventors: Shih-Wei Huang, Shui-Fa Tsai
  • Patent number: 10156351
    Abstract: A temperature control device includes a first light source unit; a second light source unit, a temperature control effort for which is different from a temperature control effort for the first light source unit; a heat exchanger plate in contact with the first light source unit and the second light source unit; a single temperature control element configured to control temperature of the first light source unit and temperature of the second light source unit via the heat exchanger plate; and a thermal resistance adjustment part configured to adjust at least one of a value of a thermal resistance between the temperature control element and the first light source unit and a value of a thermal resistance between the temperature control element and the second light source unit.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: December 18, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masafumi Takahashi, Naoyuki Yamashita
  • Patent number: 10146114
    Abstract: A projection display apparatus of the present disclosure includes a solid state light source discharging blue light in a first wavelength range; a wheel having a transmission part transmitting blue light and a first light-emitting body emitting light in response to irradiation with blue light; a second light-emitting body emitting light in a second wavelength range closer to the longer wavelengths than the first wavelength range is and adjacent to the first wavelength range, in response to irradiation with blue light that has passed through the transmission part; a light uniformizing element uniformizing the blue light and the light emitted from the first and second light-emitting body; a light modulation element modulating the light uniformized by the light uniformizing element; and projection unit projecting the light modulated by the light modulation element.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: December 4, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Michihiro Okuda, Manabu Okuno