Patents by Inventor Michikazu Noguchi
Michikazu Noguchi 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: 11940644Abstract: A performance of an apparatus is improved. A display apparatus includes: a light guide panel; a light source unit including a plurality of light emitting diode elements arranged in an X direction at a position facing a side surface of the light guide panel; and a plurality of lenses arranged in the X direction between the light guide panel and the light source unit and adhered to each other while sandwiching an adhesive layer allowing visible light to penetrate therethrough. Each of the plurality of lenses includes a surface facing the light source unit, a surface opposite to this surface, and a side surface (lens side surface) crossing these surfaces and being adhered to the adhesive layer. The adhesive layer is arranged between the sides surfaces facing each other.Type: GrantFiled: May 10, 2023Date of Patent: March 26, 2024Assignee: JAPAN DISPLAY INC.Inventors: Motoki Tsuda, Kazuki Ichihara, Michikazu Noguchi
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Patent number: 11914243Abstract: A display panel (display device) includes a first light guide plate, a second light guide plate, a first light source unit, a second light source unit, and a reflection film. In a display region, an air layer is interposed between a first substrate and the first light guide plate, and a second adhesive layer is interposed between a second substrate and the second light guide plate. In a peripheral region, the first light guide plate, a first adhesive layer, the first substrate, the second substrate, the second adhesive layer, and the second light guide plate are interposed between a first reflection surface and a second reflection surface of the reflection film.Type: GrantFiled: July 17, 2023Date of Patent: February 27, 2024Assignee: Japan Display Inc.Inventor: Michikazu Noguchi
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Publication number: 20240027821Abstract: A display panel (display device) includes a first light guide plate, a second light guide plate, a first light source unit, a second light source unit, and a reflection film. In a display region, an air layer is interposed between a first substrate and the first light guide plate, and a second adhesive layer is interposed between a second substrate and the second light guide plate. In a peripheral region, the first light guide plate, a first adhesive layer, the first substrate, the second substrate, the second adhesive layer, and the second light guide plate are interposed between a first reflection surface and a second reflection surface of the reflection film.Type: ApplicationFiled: July 17, 2023Publication date: January 25, 2024Inventor: Michikazu NOGUCHI
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Publication number: 20240027827Abstract: A display apparatus includes: a light guide panel; a light source unit including a plurality of light emitting diode elements arranged in an X direction at a position facing a side surface of the light guide panel; and a lens unit arranged between the light guide panel and the light source unit. The light source unit, the lens unit and the light guide panel are arranged in a Y direction crossing the X direction. The lens unit includes: a light entering surface facing the light source unit; and a light emitting surface being opposite to the light entering surface and facing the side surface of the light guide panel. The light entering surface of the lens unit is a concave surface extending in the X direction.Type: ApplicationFiled: July 17, 2023Publication date: January 25, 2024Inventors: Michikazu NOGUCHI, Yasuyuki HANAZAWA
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Publication number: 20230408863Abstract: A plurality of light emitting diode elements of a display panel (display apparatus) include: a first light emitting diode element, a second light emitting diode element and a third light emitting diode element. In the X direction, a plurality of the first light emitting diode elements, single or a plurality of the second light emitting diode elements and single or a plurality of the third light emitting diode elements are repeatedly arranged. The total number of the first light emitting diode elements is larger than the total number of the second light emitting diode elements. Light flux of the light of the first color emitted from the first light emitting diode elements is lower than light flux of the light of the second color emitted from the second light emitting diode elements.Type: ApplicationFiled: June 5, 2023Publication date: December 21, 2023Inventors: Michikazu NOGUCHI, Motoki TSUDA, Kazuki ICHIHARA
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Publication number: 20230367154Abstract: A display device has a display area and a terminal area, the terminal area being formed on the TFT area, in which the counter substrate does not overlap, a driver IC being disposed on the terminal area, a first heat dissipation plate being adhered to a back of the TFT substrate in a portion corresponding the terminal area, a second cover glass being disposed on the counter substrate, a first edge being disposed at an edge of the second cover glass, an LED as a light source being disposed at a second edge, which is an opposing edge to the first edge of the lens, a second heat dissipation plate, on which the lens and the LED are disposed, being disposed at a second cover glass side, in which the lens, the LED and the second heat dissipation plate are fixed to the TFT substrate through the first heat dissipation plate.Type: ApplicationFiled: May 10, 2023Publication date: November 16, 2023Applicant: Japan Display Inc.Inventors: Yuta WAKABAYASHI, Yasuyuki HANAZAWA, Michikazu NOGUCHI, Ryou SHIMMEN
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Publication number: 20230367054Abstract: A performance of an apparatus is improved. A display apparatus includes: a light guide panel; a light source unit including a plurality of light emitting diode elements arranged in an X direction at a position facing a side surface of the light guide panel; and a plurality of lenses arranged in the X direction between the light guide panel and the light source unit and adhered to each other while sandwiching an adhesive layer allowing visible light to penetrate therethrough. Each of the plurality of lenses includes a surface facing the light source unit, a surface opposite to this surface, and a side surface (lens side surface) crossing these surfaces and being adhered to the adhesive layer. The adhesive layer is arranged between the sides surfaces facing each other.Type: ApplicationFiled: May 10, 2023Publication date: November 16, 2023Applicant: Japan Display Inc.Inventors: Motoki TSUDA, Kazuki ICHIHARA, Michikazu NOGUCHI
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Publication number: 20230367155Abstract: The following structure mitigates problems caused by heat generated by the LED and the driver IC. A liquid crystal display device including a liquid crystal display panel in which liquid crystal is sandwiched between a TFT substrate, having a pixel, and a counter substrate including: a display area being formed in an area in which the TFT substrate and the counter substrate overlap each other, a terminal area being formed on the TFT substrate, in which the counter substrate does not overlap, the terminal area being formed along a first side of the counter substrate which extends in a first direction, a second cover glass being disposed on the counter substrate, and a first cover glass being disposed under the TFT substrate, in which a width of the first cover glass in the first direction is larger than a width of the second cover glass in the first direction.Type: ApplicationFiled: May 9, 2023Publication date: November 16, 2023Applicant: Japan Display Inc.Inventors: Yuta WAKABAYASHI, Yasuyuki HANAZAWA, Michikazu NOGUCHI, Hiromichi TANAKA
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Patent number: 10317612Abstract: In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface.Type: GrantFiled: April 20, 2018Date of Patent: June 11, 2019Assignee: Japan Display Inc.Inventor: Michikazu Noguchi
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Publication number: 20180239077Abstract: In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface.Type: ApplicationFiled: April 20, 2018Publication date: August 23, 2018Inventor: Michikazu Noguchi
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Patent number: 9977173Abstract: In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface.Type: GrantFiled: July 6, 2017Date of Patent: May 22, 2018Assignee: Japan Display Inc.Inventor: Michikazu Noguchi
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Publication number: 20170299800Abstract: In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface.Type: ApplicationFiled: July 6, 2017Publication date: October 19, 2017Inventor: Michikazu Noguchi
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Patent number: 9733415Abstract: In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface.Type: GrantFiled: October 8, 2014Date of Patent: August 15, 2017Assignee: Japan Display Inc.Inventor: Michikazu Noguchi
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Publication number: 20150109755Abstract: In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface.Type: ApplicationFiled: October 8, 2014Publication date: April 23, 2015Inventor: Michikazu Noguchi
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Patent number: 7212257Abstract: A liquid crystal display (LCD) device having a side backlight unit that minimizes or eliminates extraneous bright lines on the LCD panel. The side backlight unit includes a lamp reflector and lamp disposed on a light incident side surface of a light guide plate. A light reflection layer is formed on the inner surface of the lamp reflector, and a transparent protective layer is formed on the reflection layer. The transparent protective layer has a thickness less than 5 micrometers. The lamp reflector has arm portions that sandwich the light guide plate on the front and back surfaces at the lamp side of the light guide plate. A light transmission region between the arm portions of the lamp reflector and the front and back surfaces of the light guide plate has a thickness less than 5 micrometers.Type: GrantFiled: June 2, 2005Date of Patent: May 1, 2007Assignee: International Business Machines CorporationInventors: Yoshihiro Katsu, Masaru Suzuki, Michikazu Noguchi, Akiko Nishikai
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Patent number: 7088418Abstract: The present invention provides a liquid crystal display device having a narrow frame, which is capable of effectively removing a defective display owing to entering of a seal member to a display area. More specifically, the present invention is directed to a liquid crystal display device comprising first and second substrates 1 and 2 disposed at a predetermined gap d1; a liquid crystal sealed in the gap d1; a seal member 4 provided at the gap d1 between the first and second substrates 1 and 2 and outside a display area 3, the seal member 4 being for sealing the liquid crystal; and a wall-like structure 5 provided outside the display area 3 and inside the seal member 4, the wall-like structure 5 being made of a material different from that of the seal member 4 and composed of a plurality of rows.Type: GrantFiled: August 11, 2000Date of Patent: August 8, 2006Assignee: International Business Machines CorporationInventors: Hidefumi Yamashita, Michikazu Noguchi, Taroh Hasumi, Tatsushi Koike
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Patent number: 7064741Abstract: A light source device and display device capable of suppressing occurrence of unevenness in luminance therefrom by using a light guide with concave or convex structural portions in combination with a reflection layer disposed adjacent the light guide and including a plurality of spacers for strategically positioning the layer's reflecting surface from the light guide. Light within the light guide is both reflected from the guide (e.g., to an adjacent display panel) or emitted onto the reflecting surface and passed back through the guide for eventual emission (e.g., to the same display panel). A reflection sheet including a base sheet, reflection layer and structural portions is also provided.Type: GrantFiled: April 11, 2002Date of Patent: June 20, 2006Assignee: International Business Machines CorporationInventors: Yoshihiro Katsu, Akiko Nishikai, Michikazu Noguchi, Masaru Suzuki
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Publication number: 20050264718Abstract: A liquid crystal display (LCD) device having a side backlight unit that minimizes or eliminates extraneous bright lines on the LCD panel. The side backlight unit includes a lamp reflector and lamp disposed on a light incident side surface of a light guide plate. A light reflection layer is formed on the inner surface of the lamp reflector, and a transparent protective layer is formed on the reflection layer. The transparent protective layer has a thickness less than 5 micrometers. The lamp reflector has arm portions that sandwich the light guide plate on the front and back surfaces at the lamp side of the light guide plate. A light transmission region between the arm portions of the lamp reflector and the front and back surfaces of the light guide plate has a thickness less than 5 micrometers.Type: ApplicationFiled: June 2, 2005Publication date: December 1, 2005Inventors: Yosihiro Katsu, Masaru Suzuki, Michikazu Noguchi, Akiko Nishikai
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Patent number: 6502324Abstract: The present invention provides a method of alignment between sheet materials, a method of alignment, a substrate assembling method, and an aligning apparatus, which are capable of easily and surely performing highly accurate alignment and suppressing a reduction in material yield. After alignment performed based on a band-like light as a reference, alignment is performed based on a joint of a condenser lens portion of a lenticular lens as a reference. More specifically, the deviation of a liquid crystal display cell in a rotational direction is corrected by using a light emitted from a light source and condensed to be band-like at the lenticular lens as a reference. Subsequently, by changing a depth of focus of a microscope, measurement is performed for positions of a black matrix of the liquid crystal display cell and the joint of the condenser lens portion of the lenticular lens.Type: GrantFiled: December 12, 2000Date of Patent: January 7, 2003Assignee: International Business Machines CorporationInventors: Michikazu Noguchi, Tsuneo Heitoh, Evan George Colgan, Masaru Suzuki
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Publication number: 20020154087Abstract: A light source device and display device capable of suppressing occurrence of unevenness in luminance therefrom by using a light guide with concave or convex structural portions in combination with a reflection layer disposed adjacent the light guide and including a plurality of spacers for strategically positioning the layer's reflecting surface from the light guide. Light within the light guide is both reflected from the guide (e.g., to an adjacent display panel) or emitted onto the reflecting surface and passed back through the guide for eventual emission (e.g., to the same display panel). A reflection sheet including a base sheet, reflection layer and structural portions is also provided.Type: ApplicationFiled: April 11, 2002Publication date: October 24, 2002Inventors: Yoshihiro Katsu, Akiko Nishikai, Michikazu Noguchi, Masaru Suzuki