Patents Assigned to NEC Lighting, Ltd.
  • Publication number: 20200295296
    Abstract: An organic EL device (1) includes: a first substrate (11); a second substrate (12); one or more organic EL elements; and a sealing layer (14). One surface of the first substrate (11) is a mounting surface on which the one or more organic EL elements are disposed. The first substrate (11) and the second substrate (12) are laminated in such a manner that the mounting surface of the first substrate (11) and one surface of the second substrate (12) face each other with the sealing layer (14) interposed therebetween. The second substrate (12) has at least one recessed part (16) and at least one protruding part (15) in a region inside the sealing layer (14) on the surface of the second substrate (12) facing the first substrate (11), and the moisture absorbent (19) is disposed in the recessed part (16).
    Type: Application
    Filed: July 20, 2016
    Publication date: September 17, 2020
    Applicant: NEC LIGHTING, LTD.
    Inventor: Kazuhiro NAGAO
  • Publication number: 20200027934
    Abstract: The present invention provides an organic EL device that can ensure safety by automatic light emission of afterglow illumination even when the power is shut off due to a power failure, turning-off, or the like. The organic EL device of the present invention includes: a substrate; an organic EL element part; and a charge storage part, wherein the organic EL element part is disposed on one surface of the substrate, the charge storage part is disposed on the organic EL element part, the organic EL element part includes a pair of electrodes and an organic EL layer, and the organic EL layer is sealed inside so as to be shielded from the outside air by any of the substrate, the pair of electrodes of the organic EL element part, and the charge storage part.
    Type: Application
    Filed: July 27, 2017
    Publication date: January 23, 2020
    Applicant: NEC LIGHTING, LTD.
    Inventor: Yoshikazu SAKAGUCHI
  • Publication number: 20200025346
    Abstract: The present invention provides an LED module that can prevent breakage of an LED chip due to pulse lighting for a flash when the LED module is used in a flashing lamp. An LED module (10) for flashing lamp includes: an LED substrate (13); plural LEDs (12); and plural resin layers (11). In the LED module (10), the LEDs (12) are mounted on a mounting surface of the LED substrate (13). Each resin layer (11) is stacked on a surface of each LED (12) opposite to the LED substrate (13). Adjacent resin layers (11) stacked on the LEDs (12) are separated from each other.
    Type: Application
    Filed: November 24, 2017
    Publication date: January 23, 2020
    Applicant: NEC LIGHTING, LTD.
    Inventor: Norimasa MIZOBE
  • Publication number: 20200028107
    Abstract: The present invention provides an organic EL device that can ensure safety by automatic light emission of afterglow illumination even when the power is shut off due to a power failure, turning-off, or the like. The organic EL device (100) of the present invention includes a first substrate (110), an organic EL element part (120), and a charge storage part (130). The organic EL element part (120) and the charge storage part (130) are formed on one surface of the first substrate (110).
    Type: Application
    Filed: July 13, 2017
    Publication date: January 23, 2020
    Applicant: NEC LIGHTING, LTD.
    Inventor: Yoshikazu SAKAGUCHI
  • Patent number: 10458606
    Abstract: An organic EL device includes an organic EL panel, an ellipsoidal reflector, a phosphor, and a laser. The organic EL panel includes a substrate and at least one organic EL element, and the substrate includes at least one light incident portion on which light is incident from the outside. The ellipsoidal reflector is disposed outside the organic EL panel in such a manner that the phosphor is disposed at a first focal point of the reflector and the light incident portion of the substrate is positioned at a second focal point of the reflector. The laser is disposed outside the organic EL panel in such a manner that the phosphor can be irradiated with a laser beam. Light emitted from the phosphor enters the substrate from the light incident portion. The light emitted from the phosphor that has entered the substrate diffuses in the in-plane direction of the substrate.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: October 29, 2019
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yasushi Aoki
  • Patent number: 10403856
    Abstract: The present invention provides a novel organic EL panel adapted to be color tunable by a user, for example. An organic EL panel 10 of the present invention includes: a first substrate 11; a second substrate 12; an organic EL element 13; and a sealing layer 14. One surface of the first substrate 11 is a mounting surface on which the organic EL element 13 is disposed. The first substrate 11 and the second substrate 12 are laminated in such a manner that the mounting surface of the first substrate 11 and one surface of the second substrate 12 face each other with the sealing layer 14 interposed therebetween. The sealing layer 14 seals a gap between the first substrate 11 and the second substrate 12 along an entire periphery of a region where the first substrate 11 and the second substrate 12 face each other. The first substrate 11 includes a light incident section 15 on which laser light is incident and a light guide section 16 that directs the incident laser light in an in-plane direction.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: September 3, 2019
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yasushi Aoki
  • Publication number: 20190234607
    Abstract: The present invention provides a lamp capable of preventing snow accretion and freezing of melted snow. The lamp is a lamp (10) including an LED module (11) serving as a light source, a light distribution unit (12), a conductive film heater (13), a casing (14), and a light transmissive cover (16). The LED module (11) includes a plurality of LEDs and an LED substrate on which the plurality of LEDs are mounted. The LED module (11), the light distribution unit (12), and the conductive film heater (13) are disposed in the casing (14). The light distribution unit (12) is disposed on a light emitting side of the LED module (11). The light transmissive cover (16) is disposed over the opening of the casing (14). The conductive film heater (13) is disposed on a surface of the light transmissive cover (16) on an inner side of the casing (14).
    Type: Application
    Filed: November 24, 2017
    Publication date: August 1, 2019
    Applicant: NEC LIGHTING, LTD.
    Inventor: Norimasa MIZOBE
  • Publication number: 20190154213
    Abstract: An organic EL device includes an organic EL panel, an ellipsoidal reflector, a phosphor, and a laser. The organic EL panel includes a substrate and at least one organic EL element, and the substrate includes at least one light incident portion on which light is incident from the outside. The ellipsoidal reflector is disposed outside the organic EL panel in such a manner that the phosphor is disposed at a first focal point of the reflector and the light incident portion of the substrate is positioned at a second focal point of the reflector. The laser is disposed outside the organic EL panel in such a manner that the phosphor can be irradiated with a laser beam. Light emitted from the phosphor enters the substrate from the light incident portion. The light emitted from the phosphor that has entered the substrate diffuses in the in-plane direction of the substrate.
    Type: Application
    Filed: February 28, 2017
    Publication date: May 23, 2019
    Applicant: NEC LIGHTING, LTD.
    Inventor: Yasushi AOKI
  • Publication number: 20190148673
    Abstract: A transparent resin layer 12 for use in an organic EL panel includes: a transparent resin 121; and first fine particles 122 having an average particle diameter from 300 to 50000 nm and second fine particles 123 having an average particle diameter from 1 to 300 nm dispersed in the transparent resin 121. Alternatively, a transparent resin layer 42 for use in an organic EL panel includes a transparent resin 421 having an uneven structure, the uneven structure includes first projections 422 in which at least either the widths or the heights are from 300 to 1000 nm and second projections 423 in which at least either the widths or the heights are from 10 to 300 nm.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 16, 2019
    Applicant: NEC LIGHTING, LTD
    Inventor: Yoshikazu SAKAGUCHI
  • Patent number: 10270048
    Abstract: Disclosed is an organic EL panel translucent substrate that can prevent or reduce the color gap/coloring of an organic EL panel. In order to achieve the above object, organic EL panel translucent substrate 201 is formed of resins 203 and 204 and is substantially optically isotropic in its in-plane direction and thickness direction.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: April 23, 2019
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yoshikazu Sakaguchi
  • Patent number: 10270058
    Abstract: Provided is a long-life organic electroluminescent illumination panel which is flexible and, even when a load is applied by bending, impact or vibration, can suppress the occurrence of defects in an electrode layer and an organic layer containing an organic electroluminescent material, and which can suppress the occurrence of dark spots due to short circuiting. This organic electroluminescent illumination panel includes: a pair of electrode layers, at least one of which is transparent, between a flexible film substrate and a flexible film sealing material, at least one of which is transparent; and an organic layer containing an organic electroluminescent material which is sandwiched between the pair of electrode layers. This organic electroluminescent illumination panel has multiple spacers which are disposed on an electrode layer laminated on the flexible film substrate so as to pass through the organic layer and another electrode layer.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: April 23, 2019
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yoshikazu Sakaguchi
  • Patent number: 10249842
    Abstract: The present invention provides an organic EL device that can prevent an organic EL layer(s) from being damaged when the organic EL device is bent. An organic EL device (10) of the present invention includes: a first substrate (11); a second substrate (12); one or more organic EL elements; and a sealing layer (14). Each of the one or more organic EL elements includes an organic EL layer (13) and a pair of electrodes (16, 17). One surface of the first substrate (11) is a mounting surface on which the one or more organic EL elements are disposed. The first substrate (11) and the second substrate (12) are laminated in such a manner that the mounting surface of the first substrate (11) and one surface of the second substrate (12) face each other with the sealing layer (14) interposed therebetween.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: April 2, 2019
    Assignee: NEC Lighting, Ltd.
    Inventor: Kazuhiro Nagao
  • Patent number: 10205127
    Abstract: To provide a transparent resin layer for use in an organic EL panel, capable of solving a problem with light extraction efficiency caused by the wavelength dependency (wavelength dispersion) of the refractive index of light. A transparent resin layer 12 for use in an organic EL panel includes: a transparent resin 121; and first fine particles 122 having an average particle diameter from 300 to 50000 nm and second fine particles 123 having an average particle diameter from 1 to 300 nm dispersed in the transparent resin 121, and the fine particles have a function as at least either a light scattering material or a light-dispersing material.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: February 12, 2019
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yoshikazu Sakaguchi
  • Publication number: 20180328550
    Abstract: Provided is a lamp with an LED that can prevent snow from sticking or snow melted thereon from freezing. A lamp (10) includes: an LED module (11) serving as a light source; a heatsink (12); a heat transfer unit (13); a light distribution unit (14); a housing (15) with an opening; and a light-transmissive cover (16). The LED module (11) includes a plurality of LEDs, and an LED substrate having a mounting surface on which the plurality of LEDs are mounted. The heatsink (12) is arranged on the side of the LED substrate opposite to the mounting surface. The light distribution unit (14) is arranged on the light emitting side of the LED module (11). The LED module (11), the heatsink (12), and the light distribution unit (14) are arranged in the housing (15). The light-transmissive cover (16) is arranged in the opening of the housing (15).
    Type: Application
    Filed: October 18, 2016
    Publication date: November 15, 2018
    Applicant: NEC LIGHTING, LTD.
    Inventor: Norimasa MIZOBE
  • Publication number: 20180286029
    Abstract: Provided is a runway illumination light inspection apparatus that requires the minimum amount of data and can determine whether or not an illumination light is abnormal in a short time period. The runway illumination light inspection apparatus includes: an illumination light detection unit (11); an image capturing unit (12); and a determination unit (13). The illumination light detection unit (11) detects an illumination light (21) embedded in a runway (20), the image capturing unit (12) captures, when the illumination light detection unit (11) has detected the illumination light (21), an image of the illumination light (21), and the determination unit (13) determines whether or not the illumination light (21) is abnormal, based on the captured image of the illumination light (21).
    Type: Application
    Filed: September 23, 2016
    Publication date: October 4, 2018
    Applicant: NEC LIGHTING, LTD.
    Inventor: Norimasa MIZOBE
  • Patent number: 10088604
    Abstract: A transparent substrate for optical elements which is capable of suppressing cracking is provided, and a transparent substrate for optical elements which is capable of extending the life of optical elements such as organic EL elements used in organic EL illumination devices or polarizer plates used in liquid crystal display devices is provided. This transparent substrate for optical elements is characterized by having an inorganic layer and a hydrophilic layer laminated sequentially on a transparent resin film. For this reason, this transparent substrate for optical elements can have excellent gas barrier properties, inhibits degeneration of optical elements due to water vapor, suppresses cracking, is transparent and flexible, is easy to handle, can be efficiently and economically manufactured, and has excellent design properties.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: October 2, 2018
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yoshikazu Sakaguchi
  • Publication number: 20180151844
    Abstract: The present invention provides a novel organic EL panel adapted to be color tunable by a user, for example. An organic EL panel 10 of the present invention includes: a first substrate 11; a second substrate 12; an organic EL element 13; and a sealing layer 14. One surface of the first substrate 11 is a mounting surface on which the organic EL element 13 is disposed. The first substrate 11 and the second substrate 12 are laminated in such a manner that the mounting surface of the first substrate 11 and one surface of the second substrate 12 face each other with the sealing layer 14 interposed therebetween. The sealing layer 14 seals a gap between the first substrate 11 and the second substrate 12 along an entire periphery of a region where the first substrate 11 and the second substrate 12 face each other. The first substrate 11 includes a light incident section 15 on which laser light is incident and a light guide section 16 that directs the incident laser light in an in-plane direction.
    Type: Application
    Filed: May 9, 2016
    Publication date: May 31, 2018
    Applicant: NEC Lighting, LTD.
    Inventor: Yasushi AOKI
  • Patent number: D821013
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: June 19, 2018
    Assignee: NEC LIGHTING, LTD.
    Inventor: Norimasa Mizobe
  • Patent number: D821025
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: June 19, 2018
    Assignee: NEC LIGHTING, LTD.
    Inventor: Norimasa Mizobe
  • Patent number: D855853
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: August 6, 2019
    Assignee: NEC LIGHTING, LTD.
    Inventor: Norimasa Mizobe