Patents by Inventor Toshinori Uehara
Toshinori Uehara 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: 20140293172Abstract: A display device for displaying a first image in a first direction and a second image in a second direction, including a display panel having pixels arrayed in a matrix, a backlight configured to emit a light to a back surface of the display panel, and a parallax barrier configured so that a light from the first pixel passes through an opening of the parallax barrier and is emitted to the first direction, and a light from the second pixel passes through the opening of the parallax barrier and is emitted to the second direction. The formula (B?A)/A?1 is satisfied wherein A represents the luminance of the first image when the first image and the second image are black images, and B represents a luminance of the first image when the first image is a black image and the second image is a white image.Type: ApplicationFiled: March 21, 2014Publication date: October 2, 2014Applicant: Japan Display Inc.Inventors: Daichi SUZUKI, Toshinori UEHARA, Ai KOIKE
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Publication number: 20140267242Abstract: A display device includes: a parallax adjustment unit arranged on a side of a surface of a display unit on which an image is displayed or on a reverse side of the surface, wherein unit areas extending in a first direction are arranged in columns in a second direction in the parallax adjustment unit; and a control unit detecting positions of a right eye and a left eye of a user based on an image of the user, determining a display of pixels of a right eye image and a left eye image to be displayed on the display unit depending on the detected positions of the right eye and the left eye, and determining an area that transmits light among the unit areas included in the parallax adjustment unit depending on the positions of the right eye and the left eye and the display of pixels.Type: ApplicationFiled: March 5, 2014Publication date: September 18, 2014Applicant: Japan Display Inc.Inventor: Toshinori UEHARA
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Patent number: 8780301Abstract: A liquid crystal display device of a transverse electric field type has characteristics in the following respects. A liquid crystal layer is sandwiched between two substrates. Two polarizing plates are provided on a side of the two substrates opposite to the liquid crystal layer such that the light transmission axes thereof are orthogonal to each other. A first electrode and a second electrode are formed on one of the two substrates. The liquid crystal is driven by an electric field generated between the first electrode and the second electrode. The polarizing plate, formed on one of the two substrates, is formed of a protective film, a polarizer, and two negative biaxial films. The two negative biaxial films include first and second negative biaxial films. The first negative biaxial film and the second negative biaxial film are entirely overlapped, and are disposed on a side of one or the other substrate.Type: GrantFiled: October 7, 2011Date of Patent: July 15, 2014Assignee: Japan Display West Inc.Inventors: Kojiro Ikeda, Tomoaki Sekime, Toshinori Uehara, Keiji Takizawa
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Patent number: 8780025Abstract: Light reflecting layers 45a that totally reflect light are provided inside the subpixels 10 disposed in particular regions on an inner face of a TFT array substrate 4, and light reflecting layers 45b that scatter light are provided inside the subpixels 10 other than those. Thanks to this, the reflectance of the light reflecting layers 45a can be rendered different from that of the light reflecting layers 45b. As a result, differences can be created in the display light formed by the light reflecting layers 45a and by the light reflecting layers 45b, by means of the light that is reflected thereat. Thereby, fine adjustment of the display light brightness and contrast is enabled, so that a liquid crystal display device 1 with extensive power of expression and superior display characteristics is provided.Type: GrantFiled: January 14, 2008Date of Patent: July 15, 2014Assignee: Japan Display West Inc.Inventors: Toshinori Uehara, Kimitaka Kamijo, Keiji Takizawa, Tomoyuki Nakano, Kunio Maruyama, Hiroki Sugiyama
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Publication number: 20140176862Abstract: A display device includes a display panel having a display surface, a light guiding unit disposed at a display surface side of the display panel, the light guiding unit having an incident part and an irradiation part, the incident part being parallel to the display surface and facing the display surface, the irradiation part being parallel to the display surface and configured to emit a light entered from the incident part, the irradiation part having a plurality of irradiation surfaces whose positions in a direction orthogonal to the incident part differ depending on a position on the display surface, and a minor configured to reflect an image projected from the display panel through the light guiding unit.Type: ApplicationFiled: December 17, 2013Publication date: June 26, 2014Applicant: Japan Display Inc.Inventor: Toshinori Uehara
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Publication number: 20140177040Abstract: A display device includes a display panel having a display surface, an infrared cut filter layer disposed at a display surface side of the display panel, and a polarization layer disposed at a position farther from the display surface than the infrared cut filter layer in such a manner that the polarization layer is in contact with the infrared cut filter layer, the polarization layer having a higher transmittance of infrared light than that of the infrared cut filter layer.Type: ApplicationFiled: December 11, 2013Publication date: June 26, 2014Applicant: Japan Display Inc.Inventor: Toshinori Uehara
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Publication number: 20130241807Abstract: A display apparatus allowing a user positioned in a first direction to visually recognize a first image and allowing a user positioned in a second direction different from the first direction to visually recognize a second image includes: a display unit displaying a combined image formed by combining the first image with the second image; an irradiation unit irradiating the display unit displaying the combined image with irradiation light; a distribution unit distributing components corresponding to the first image of the irradiation light transmitted through the display unit to the first direction and distributing components corresponding to the second image of the irradiation light transmitted through the display unit to the second direction; and a cancellation unit cancelling luminance characteristics of the irradiation light distributed by the distribution unit.Type: ApplicationFiled: March 7, 2013Publication date: September 19, 2013Applicant: JAPAN DISPLAY WEST INC.Inventors: Chihiro Tanaka, Toshinori Uehara
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Publication number: 20130088666Abstract: A liquid crystal display device of a transverse electric field type has characteristics in the following respects. A liquid crystal layer is sandwiched between two substrates. Two polarizing plates are provided on a side of the two substrates opposite to the liquid crystal layer such that the light transmission axes thereof are orthogonal to each other. A first electrode and a second electrode are formed on one of the two substrates. The liquid crystal is driven by an electric field generated between the first electrode and the second electrode. The polarizing plate, formed on one of the two substrates, is formed of a protective film, a polarizer, and two negative biaxial films. The two negative biaxial films include first and second negative biaxial films. The first negative biaxial film and the second negative biaxial film are entirely overlapped, and are disposed on a side of one or the other substrate.Type: ApplicationFiled: October 7, 2011Publication date: April 11, 2013Applicant: SONY CORPORATIONInventors: Kojiro Ikeda, Tomoaki Sekime, Toshinori Uehara, Keiji Takizawa
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Patent number: 8363193Abstract: A liquid crystal display panel includes: a pair of substrates arranged to be opposite each other to sandwich a liquid crystal layer, an upper electrode in which a plurality of slit-shaped openings are provided in parallel in each of a plurality of subpixels formed in a display region being provided on one of the pair of substrates, a lower electrode being formed on the substrate through the upper electrode and an insulating film, and a shield electrode being formed on the other substrate to face the liquid crystal layer, wherein, when the pitch between adjacent slit-shaped openings is P, and the width of the upper electrode between adjacent slit-shaped openings is L, L/P is in a range of 45% to 55%.Type: GrantFiled: July 1, 2010Date of Patent: January 29, 2013Assignee: Sony CorporationInventors: Shuhei Yoshida, Joji Nishimura, Toshinori Uehara
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Publication number: 20120274890Abstract: A display panel includes: a panel section including a display region where a plurality of pixels are arranged, and a gap region provided in a gap between the pixels; and a barrier section including a plurality of transmissive regions in a two-dimensional arrangement, and a light-blocking region to be around each of the transmissive regions. The transmissive regions are each configured to make entirely visible any one of the pixels therethrough when a viewer views the panel section not from a front but from a first or second direction via the barrier section, the pixels are each configured by a plurality of sub-pixels varying in type, and the sub-pixels in each of the pixels are arranged not in stripes but differently.Type: ApplicationFiled: April 18, 2012Publication date: November 1, 2012Applicant: SONY CORPORATIONInventors: Toshinori Uehara, Hideki Kaneko, Kojiro Ikeda, Daichi Suzuki
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Publication number: 20120262362Abstract: A display panel includes: a panel section including a plurality of pixels disposed in a row direction and a column direction; and a barrier section including light blocking regions and light transmitting regions alternately disposed in the row direction and the column direction, wherein each of the pixels emits light of four colors, and has two sub-pixels for each of the four colors.Type: ApplicationFiled: April 11, 2012Publication date: October 18, 2012Applicant: SONY CORPORATIONInventors: Toshinori Uehara, Hideki Kaneko, Kojiro Ikeda, Daichi Suzuki
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Publication number: 20120262637Abstract: There are provided a display panel being both anti-static and resistant to corrosion, a display device provided with the display panel, and an electronic unit provided with the display device. The display panel includes a panel section including a plurality of pixels arranged in a matrix; a barrier layer provided at an upper or lower part of the panel section, and the barrier layer including light-shielding regions and transmissive regions that are arranged systematically; and a transparent conductive layer provided at the upper part of the panel section.Type: ApplicationFiled: April 5, 2012Publication date: October 18, 2012Applicant: SONY CORPORATIONInventors: Kojiro Ikeda, Toshinori Uehara, Hideki Kaneko, Daichi Suzuki
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Patent number: 8264649Abstract: A liquid crystal device includes a pair of substrates, liquid crystal sandwiched between the pair of substrates, and a plurality of sub-pixels. Each sub-pixel has a transmissive display region and a reflective display region. One of the substrates has a color filter and a transparent insulating film disposed on the color filter. The transparent insulating film has a thin-walled portion provided in the transmissive display region and a region along a boundary between the adjacent sub-pixels. At least a portion of a region in which the thin-walled portion of the transparent insulating film is not provided overlaps the reflective display region. The layer thickness of the liquid crystal in the reflective display region is smaller than the layer thickness of the liquid crystal in the transmissive display region in consideration of the thin-walled portion.Type: GrantFiled: August 30, 2006Date of Patent: September 11, 2012Assignee: Sony CorporationInventors: Norihito Harada, Hayato Kurasawa, Toshinori Uehara, Masahiro Kosuge
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Patent number: 8064010Abstract: A liquid crystal display device is provided which includes a substrate having a pixel electrode; and a color filter substrate having a color filter layer on a transparent substrate while having an alignment film formed on an uppermost layer thereof, the substrate and the color filter substrate each having a display region having a plurality of sub-pixels formed thereon, in which the color filter substrate has a liquid crystal layer thickness-adjustment layer formed of a transparent resin layer being partially formed on an inner side of the alignment film; and the liquid crystal layer thickness-adjustment layer has a trench being formed along and between adjacent ones of the sub-pixels, the bottom position of the trench of the liquid crystal layer thickness-adjustment layer being lower than a height of the color filter layer from a surface of the transparent substrate, and the transparent resin layer existing on the bottom of the trench.Type: GrantFiled: April 14, 2009Date of Patent: November 22, 2011Assignee: Sony CorporationInventors: Toshinori Uehara, Koji Yoshida, Shuhei Yoshida
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Patent number: 7936423Abstract: A liquid crystal display device 1 has subpixels 10 having a light-transmissive region 10a and a light-reflective region 10b. A color filter layer 50 corresponding to an identification pattern 70 that it is desired to be displayed when the liquid crystal display device 1's power is off is formed at the light-reflective regions 10b, so that even when the liquid crystal display device 1 is in the non-driven state, incident external light emerges as outgoing light having the colors of the color layers corresponding to the identification pattern, and hence the identification pattern can be displayed. Thus, any desired pattern can be displayed in the liquid crystal display device's non-driven state, so that a liquid crystal display device with extensive expression and superior display characteristics is provided.Type: GrantFiled: January 11, 2008Date of Patent: May 3, 2011Assignee: Sony CorporationInventors: Kimitaka Kamijo, Keiji Takizawa, Toshinori Uehara, Tomoyuki Nakano
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Publication number: 20110007256Abstract: A liquid crystal display panel includes: a pair of substrates arranged to be opposite each other to sandwich a liquid crystal layer, an upper electrode in which a plurality of slit-shaped openings are provided in parallel in each of a plurality of subpixels formed in a display region being provided on one of the pair of substrates, a lower electrode being formed on the substrate through the upper electrode and an insulating film, and a shield electrode being formed on the other substrate to face the liquid crystal layer, wherein, when the pitch between adjacent slit-shaped openings is P, and the width of the upper electrode between adjacent slit-shaped openings is L, L/P is in a range of 45% to 55%.Type: ApplicationFiled: July 1, 2010Publication date: January 13, 2011Applicant: SONY CORPORATIONInventors: Shuhei Yoshida, Joji Nishimura, Toshinori Uehara
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Patent number: 7701533Abstract: An electro-optical device includes: a plurality of display pixels each of which has two Red sub-pixels, two Green sub-pixels, one Blue sub-pixel, and one transparent sub-pixel; and a colored layer which is partially formed on the Red, Green, and Blue sub-pixels. In the electro-optical device, uncolored portions are formed in parts of the Red and Green sub-pixels where the colored layer is not formed.Type: GrantFiled: July 7, 2006Date of Patent: April 20, 2010Assignee: Epson Imaging Devices CorporationInventors: Kazu Kobayashi, Chihiro Tanaka, Masahiro Horiguchi, Toshinori Uehara, Hideki Kaneko, Shinichiro Tanaka
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Publication number: 20090273746Abstract: A liquid crystal display device is provided which includes a substrate having a pixel electrode; and a color filter substrate having a color filter layer on a transparent substrate while having an alignment film formed on an uppermost layer thereof, the substrate and the color filter substrate each having a display region having a plurality of sub-pixels formed thereon, in which the color filter substrate has a liquid crystal layer thickness-adjustment layer formed of a transparent resin layer being partially formed on an inner side of the alignment film; and the liquid crystal layer thickness-adjustment layer has a trench being formed along and between adjacent ones of the sub-pixels, the bottom position of the trench of the liquid crystal layer thickness-adjustment layer being lower than a height of the color filter layer from a surface of the transparent substrate, and the transparent resin layer existing on the bottom of the trench.Type: ApplicationFiled: April 14, 2009Publication date: November 5, 2009Applicant: EPSON IMAGING DEVICES CORPORATIONInventors: Toshinori Uehara, Koji Yoshida, Shuhei Yoshida
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Publication number: 20090009448Abstract: Light reflecting layers 45a that totally reflect light are provided inside the subpixels 10 disposed in particular regions on an inner face of a TFT array substrate 4, and light reflecting layers 45b that scatter light are provided inside the subpixels 10 other than those. Thanks to this, the reflectance of the light reflecting layers 45a can be rendered different from that of the light reflecting layers 45b. As a result, differences can be created in the display light formed by the light reflecting layers 45a and by the light reflecting layers 45b, by means of the light that is reflected thereat. Thereby, fine adjustment of the display light brightness and contrast is enabled, so that a liquid crystal display device 1 with extensive power of expression and superior display characteristics is provided.Type: ApplicationFiled: January 14, 2008Publication date: January 8, 2009Inventors: Toshinori Uehara, Kimitaka Kamijo, Keiji Takizawa, Tomoyuki Nakano, Kunio Maruyama, Hiroki Sugiyama
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Publication number: 20080284954Abstract: A liquid crystal display device 1 has subpixels 10 having a light-transmissive region 10a and a light-reflective region 10b. A color filter layer 50 corresponding to an identification pattern 70 that it is desired to be displayed when the liquid crystal display device 1's power is off is formed at the light-reflective regions lob, so that even when the liquid crystal display device 1 is in the non-driven state, incident external light emerges as outgoing light having the colors of the color layers corresponding to the identification pattern, and hence the identification pattern can be displayed. Thus, any desired pattern can be displayed in the liquid crystal display device's non-driven state, so that a liquid crystal display device with extensive expression and superior display characteristics is provided.Type: ApplicationFiled: January 11, 2008Publication date: November 20, 2008Inventors: Kimitaka Kamijo, Keiji Takizawa, Toshinori Uehara, Tomoyuki Nakano