Patents by Inventor Masaya Adachi

Masaya Adachi 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).

  • Publication number: 20070229453
    Abstract: A liquid crystal display apparatus includes a liquid crystal display unit for displaying image signals, a lighting device including a light-adjustment unit for adjusting a quantity of light from a light source, which is transmitted to each of plural regions into which the lighting device is divided for illuminating corresponding plural illumination regions of an entirety of a display area of the liquid crystal display unit, and a control unit. The control unit controls each light-adjustment unit in synchronization with horizontal synchronization signals and vertical synchronization signals, so that the adjusted light quantity of individual ones of the plural regions of the divided lighting device is shifted among the plural regions and an individual illumination region of the plural illumination regions of the entirety of the display area of the liquid crystal display unit is correspondingly shifted therewith.
    Type: Application
    Filed: June 13, 2007
    Publication date: October 4, 2007
    Inventors: Sukekazu Aratani, Ikuo Hiyama, Masaya Adachi, Tsunenori Yamamoto, Katsumi Kondo
  • Publication number: 20070200805
    Abstract: In an organic electroluminescent light emitting display device comprising a plurality of pixels each of which includes an organic electroluminescent element emitting light by a current supplied thereto, a plurality of active elements including a first active element which acquires a data signal and a second active element which regulates the current supplied to the organic electroluminescent element in accordance with the data signal, and a capacitive element storing the data signal, the present invention utilizes a part of the capacitive element arranged in one of the pixels for a light shielding member which shields the plurality of active elements arranged the one of the pixels from light emitted by the organic electroluminescent element arranged therein or another pixel adjacent thereto so as to suppress image quality deterioration and smear appearing in an image display area of the organic electroluminescent light emitting display device.
    Type: Application
    Filed: May 1, 2007
    Publication date: August 30, 2007
    Inventors: Toshihiro Sato, Genshiro Kawachi, Yoshiro Mikami, Masaya Adachi
  • Patent number: 7245336
    Abstract: A liquid crystal display device includes an illumination device, a light control element arranged at a projected light side of the illumination device, a reflective polarizer arranged at an upper portion of the light control element so that the transmission axis of polarized light is adjusted, a liquid crystal display element for controlling polarization of projected light projected from the reflective polarizer, and a screen arranged at an upper portion of the liquid crystal display element. The light control element includes an isotropic medium without birefringence.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: July 17, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Ikuo Hiyama, Makoto Tsumura, Masaya Adachi, Katsumi Kondo, Jun-ichi Hirakata, Yuji Mori
  • Patent number: 7233304
    Abstract: A liquid crystal display apparatus comprises a liquid crystal display unit including a pair of substrates, at least one of which is transparent, a liquid crystal layer sandwiched by the pair of substrates, a plurality of electrodes for applying an electric field to at least one of the pair of substrates, and a plurality of active elements connected to the plurality of electrodes; a lighting device including a plurality of light sources; and a control unit for controlling ON/OFF of at least one light source for each of regions, into which the lighting device is divided, based on a display response of said liquid crystal display unit.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: June 19, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Sukekazu Aratani, Ikuo Hiyama, Masaya Adachi, Tsunenori Yamamoto, Katsumi Kondo
  • Publication number: 20070133090
    Abstract: A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer; a backlight apparatus arranged at one side of the couple of substrates of the liquid crystal display element; a polarizer arranged between the liquid crystal display element and the backlight apparatus; a luminous intensity distribution control element arranged at the other side of the couple of substrates of the liquid crystal display element; an analyzer arranged between the liquid crystal display element and the luminous intensity distribution control element, wherein the luminous intensity distribution control element comprises a transparent base member, a plural lenses arranged on the transparent base member, and a light absorbing layer having small opening portions substantially at focal positions of an individual lens of the plural lenses, and the transparent base member is constituted of a transparent body substantially optically isotropic or a transparent body having uniaxial optical anisotro
    Type: Application
    Filed: February 6, 2007
    Publication date: June 14, 2007
    Inventors: Masaya Adachi, Makoto Tsumura, Ikuo Hiyama, Tetsuro Minemura
  • Patent number: 7230592
    Abstract: In an organic electroluminescent light emitting display device comprising a plurality of pixels each of which includes an organic electroluminescent element emitting light by a current supplied thereto, a plurality of active elements including a first active element which acquires a data signal and a second active element which regulates the current supplied to the organic electroluminescent element in accordance with the data signal, and a capacitive element storing the data signal, the present invention utilizes a part of the capacitive element arranged in one of the pixels for a light shielding member which shields the plurality of active elements arranged the one of the pixels from light emitted by the organic electroluminescent element arranged therein or another pixel adjacent thereto so as to suppress image quality deterioration and smear appearing in an image display area of the organic electroluminescent light emitting display device.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: June 12, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Toshihiro Sato, Genshiro Kawachi, Yoshiro Mikami, Masaya Adachi
  • Publication number: 20070115409
    Abstract: A liquid crystal display having a plurality of pixels includes liquid crystal layer disposed between first and second substrates, first and second polarization plates disposed on the said opposite to the side where the liquid crystal layer is disposed with respect to the first and second substrates. The second substrate includes a pixel electrode on the side of the liquid crystal layer. Each of the plurality of pixels including a reflection area and a transmission area is different from a ratio of the common electrode occupying an aperture in the reflection area in a place of the pixel and the ratio of the common electrode occupying the aperture in the reflection area is equal to or larger than 0% and smaller than 100%.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 24, 2007
    Inventors: Shinichiro Oka, Masaya Adachi, Shinichi Komura
  • Publication number: 20070053063
    Abstract: Provided is a display panel having a high-performance antireflection layer at a low cost. In a liquid crystal display panel or an organic light-emitting diode display panel constituted by a first transparent substrate, a second transparent substrate and a liquid crystal layer between these two transparent substrates further includes an antireflection layer on a portion which is at least one display area and a visible side (outer surface) by a viewer, and layers made of the same material as the antireflection layer formed on at least the opposite side (inside surface) of the surface of the portion corresponding to the display area and on three edge faces.
    Type: Application
    Filed: August 28, 2006
    Publication date: March 8, 2007
    Inventors: Masaya Adachi, Makiko Sugibayashi, Tetsuya Ohshima, Shinichi Komura
  • Publication number: 20070046879
    Abstract: A semi-transparent homogeneous-alignment LCD device including a transmission part and a reflection part, a first linear dielectric protrusion disposed between a common electrode and a liquid crystal layer so as to extend over a plurality of pixels in a short side direction of pixels and be disposed nearly in center of the transmission part, and a second linear dielectric protrusion disposed in the reflection part between the common electrode and a first substrate so as to extend over a plurality of pixels in the short side direction, wherein an alignment direction of liquid crystal molecules crosses the first and second linear dielectric protrusions at right angles and is parallel to a long side direction of pixels, and a tilt angle of the liquid crystal molecules is approximately 0°, or even if there is a pre-tilt angle, the tilt angle of the liquid crystal molecules is 2° or less.
    Type: Application
    Filed: August 17, 2006
    Publication date: March 1, 2007
    Inventors: Shoichi Hirota, Osamu Itou, Shinichiro Oka, Masaya Adachi, Shinichi Komura, Hirotaka Imayama, Masateru Morimoto, Tetsuya Nagata, Koichi Fukuda, Toshio Miyazawa
  • Publication number: 20070046874
    Abstract: A liquid crystal display device comprising a pair of substrates, a liquid crystal display panel having a liquid crystal layer positioned between the substrates, a transparent protective plate arranged on a front surface side of the display panel, and an optically transparent layer between the display panel and the protective plate, and wherein the protective plate includes fine concavity and convexity configurations on at least a surface thereof toward the display panel.
    Type: Application
    Filed: August 11, 2006
    Publication date: March 1, 2007
    Inventors: Masaya Adachi, Makiko Sugibayashi, Tetsuya Ohshima, Katsumi Kondo, Hiroshi Sasaki
  • Patent number: 7173760
    Abstract: A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer between a couple of substrates; a backlight apparatus arranged at one side of the couple of substrates; a polarizer arranged between the liquid crystal display element and the backlight apparatus; a luminous intensity distribution control element arranged at the other side of the couple of substrates; an analyzer arranged between the liquid crystal display element and the luminous intensity distribution control element, wherein the luminous intensity distribution control element comprises a transparent base member, a plural lenses arranged on the transparent base member, and a light absorbing layer having small opening portions substantially at focal positions of an individual lens of the plural lenses, and the transparent base member is constituted of a transparent body substantially optically isotropic or a transparent body having uniaxial optical anisotropy.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: February 6, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Masaya Adachi, Makoto Tsumura, Ikuo Hiyama, Tetsuro Minemura
  • Publication number: 20070024789
    Abstract: AVA liquid crystal display device is capable of performing display under the wide environments including a bright place and a dark place, transmission display with a wide viewing angle and a high image quality, and improves the gray scale productivity in an oblique direction. An alignment control structure (projection structure) is disposed in a direction orthogonal to the slits of a common electrode (comb-like electrode), a lateral electric field is applied to a liquid crystal layer that is vertically aligned by the comb-like electrode, and the alignment of the liquid crystal is controlled to a different direction to make multi-domains in the VA liquid crystal display device. Also, the multi-domains are performed by continuously changing the pitches of the slits.
    Type: Application
    Filed: July 28, 2006
    Publication date: February 1, 2007
    Inventors: Osamu Itou, Masaya Adachi, Shinichiro Oka
  • Publication number: 20060267006
    Abstract: In the present invention, a lower electrode is utilized as a photomask to form a liquid-repellent region having a generally same pattern shape as that of the lower electrode and a liquid-attracting region having a generally reversed pattern shape on an insulating film. A conductive ink is coated and calcined in the liquid-attracting region to form an upper electrode having a generally reversed pattern shape to the lower electrode in a self-aligned manner, eliminating the occurrence of misregistration even when a printing method is used. Consequently, semiconductor devices such as an active matrix thin film transistor substrate can be formed using a printing method.
    Type: Application
    Filed: August 8, 2006
    Publication date: November 30, 2006
    Applicant: Hitachi, Ltd.
    Inventors: Masahiko Ando, Masaya Adachi, Hiroshi Sasaki, Masatoshi Wakagi
  • Publication number: 20060261334
    Abstract: Using a lower electrode as a photomask, a yophobic region having generally the same pattern as that of the lower electrode and a yophibic region having a pattern which is generally the inversion of the lower electrode pattern are formed on an insulating film. A conductive ink is applied to the yophobic region and baked. Thus, an upper electrode having a pattern which is generally the inversion of the lower electrode pattern is formed in a self-alignment manner. Therefore no misalignment occurs even if a printing method is used. Thus, a semiconductor device such as an active-matrix thin-film transistor substrate can be fabricated by using a printing method.
    Type: Application
    Filed: August 18, 2004
    Publication date: November 23, 2006
    Inventors: Masahiko Ando, Masaya Adachi, Hiroshi Sasaki, Masatoshi Wakagi
  • Patent number: 7133218
    Abstract: Disclosed is an optical system that has superior optical characteristic and wear resistance and can be formed at low temperatures. An optical system 101 for adjusting visible light transmittance to have a desired value comprises fluoride 103, and at least part of the optical system has a crystal grain diameter of 3 nm to 10 nm. The fluoride 103 has a specific surface area of 1 m2/g to 5 m2/g.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: November 7, 2006
    Assignees: Shinmaywa Industries, Ltd., Hitachi, Ltd.
    Inventors: Takanobu Hori, Isao Tokomoto, Hiroshi Kajiyama, Akira Kato, Kenichi Onisawa, Makoto Abe, Shoichi Hirota, Tatsuya Sugita, Masaya Adachi, Katsumi Kondo
  • Patent number: 7124731
    Abstract: The invention relates to an engine arrangement that increases the degree of freedom of the engine state sensor while decreasing the size of the engine body. More specifically, the engine is formed with a chamber for housing a valve train and serving dually as a return oil path of the lubricating oil after having lubricated the valve train. The engine includes an oil temperature sensor partially exposed on one side of a cylinder block and an exhaust pipe partially exposed on the opposite side of the cylinder block.
    Type: Grant
    Filed: August 13, 2004
    Date of Patent: October 24, 2006
    Assignee: Honda Motor Co., Ltd.
    Inventors: Masataka Eguchi, Satoru Narita, Masaya Adachi, Masanobu Urabe
  • Publication number: 20060221280
    Abstract: A liquid crystal display of a vertical alignment (VA) mode using a circular polarization plate is provided which can reduce light leak as observed along an oblique direction and achieve a high contrast ratio. The VA mode uses a liquid crystal layer of vertical alignment in an initial alignment state. A film having generally isotropic optical characteristics in an omnidirection is used as a protective film, on a liquid crystal cell side, of first and second polarization plates disposed outside the liquid crystal cell, and first and fourth retardation films have an Nz coefficient smaller than 1.
    Type: Application
    Filed: February 17, 2006
    Publication date: October 5, 2006
    Inventors: Shinichiro Oka, Masaya Adachi, Shinichi Komura, Ikuo Hiyama
  • Patent number: 7102155
    Abstract: In the present invention, a lower electrode is utilized as a photomask to form a liquid-repellent region having a generally same pattern shape as that of the lower electrode and a liquid-attracting region having a generally reversed pattern shape on an insulating film. A conductive ink is coated and calcined in the liquid-attracting region to form an upper electrode having a generally reversed pattern shape to the lower electrode in a self-aligned manner, eliminating the occurrence of misregistration even when a printing method is used. Consequently, semiconductor devices such as an active matrix thin film transistor substrate can be formed using a printing method.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: September 5, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Masahiko Ando, Masaya Adachi, Hiroshi Sasaki, Masatoshi Wakagi
  • Publication number: 20060158096
    Abstract: Light-emitting devices and light-emitting displays for realizing bright display by allowing light emitted from an emissive layer to efficiently contribute to a display. Polarization separators are arranged between the emissive layer and a phase plate. In the light of a wavelength range which includes a part or all of a light-emission wavelength range of the emissive layer and is narrower than a visible wavelength range and is directed from the emissive layer side to the polarization separators side, the polarization separators reflect circularly polarized light components which are converted into linearly polarized light that is absorbed by the polarizer due to the operation of the phase plate and transmit the other light.
    Type: Application
    Filed: December 20, 2005
    Publication date: July 20, 2006
    Inventors: Masaya Adachi, Yoshiyuki Kaneko, Sukekazu Aratani, Shingo Ishihara
  • Publication number: 20060138950
    Abstract: A self light emitting display device having high level of the external coupling efficiency and high grade image presentation as no optical cross-talk or blur can be obtained by a new light-emitting element. The device is constructed as follows. A plurality of picture elements, each of which picture elements has an organic layer composing light emitting areas, a transparent electrode and a reflective electrodes, are formed on a substrate. Between the picture elements, a bank which has a tilted reflective surface is formed so that the light emitting area is surrounded by the bank wherein the transparent optical waveguide layer is formed as optically isolated for each of the picture elements.
    Type: Application
    Filed: February 23, 2006
    Publication date: June 29, 2006
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura