Patents Assigned to Stanley Electric Co., Ltd.
  • Patent number: 10267469
    Abstract: A semiconductor light-emitting device having a longitudinal direction, and able to smoothly incline luminance for the longitudinal direction is provided. The semiconductor light-emitting device comprises a substrate and a plurality of semiconductor light-emitting layers of a predetermined shape disposed in a row on the substrate. The semiconductor light-emitting layers have such a structure that light emission amount of light-emitting surface of each semiconductor light-emitting layer inclines from a side of one predetermined end toward a side of the other end for the direction of the row.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 23, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Mitsunori Harada, Yuji Takehara
  • Patent number: 10270045
    Abstract: A semiconductor light-emitting element including a first semiconductor layer of a first conductivity type; a first light-emitting layer; a second light-emitting layer; and a second semiconductor layer of a conductivity type opposite to the conductivity type of the first semiconductor layer. The first light-emitting layer has a base layer with composition subject to stress strain from the first semiconductor layer and has a plurality of base segments partitioned into a random net shape; and a first quantum well structure layer composed of at least one quantum well layer and at least one barrier layer. The second light-emitting layer has a second quantum well structure layer composed of a plurality of barrier layers that have different compositions from that of the at least one barrier layer of the first quantum well structure layer, and at least one quantum well layer.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: April 23, 2019
    Assignees: STANLEY ELECTRIC CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Takako Fujiwara, Masakazu Sugiyama, Mathew Manish
  • Publication number: 20190115499
    Abstract: A semiconductor wafer has, on one surface of a sapphire substrate, an element layer including an n-type layer, an active layer, and a p-type layer, and is characterized in that the surface of the element layer is bent in a convex way, and the curvature thereof is 530-800 km?1.
    Type: Application
    Filed: April 7, 2017
    Publication date: April 18, 2019
    Applicant: Stanley Electric Co., Ltd.
    Inventor: Toshiyuki Obata
  • Publication number: 20190103273
    Abstract: A method for producing a group III nitride laminate by growing a layer containing a group III nitride single crystal represented by AlXInYGaZN, where X, Y, and Z in the composition formula satisfy relation of X+Y+Z=1.0, 0.8?X<1.0, 0.0?Y<0.2, and 0.0<Z?0.2, on main surface of a base substrate having at least one main surface including an aluminum nitride single crystal layer, in which a V/III ratio representing a molar ratio of a nitrogen source gas to a group III raw material gas which are used for growing the layer containing the group III nitride single crystal is 5000 or more and 15000 or less.
    Type: Application
    Filed: March 15, 2017
    Publication date: April 4, 2019
    Applicant: Stanley Electric Co., Ltd.
    Inventor: Hiroshi Furuya
  • Publication number: 20190086065
    Abstract: A vehicle lamp using a control apparatus for controlling on-off states of a light source having a plurality of light-emitting chips connected in series, can include switching devices each connected in parallel with a respective one of the light-emitting chips, a control circuit controlling each of on-off actions of the switching devices, and a current supply unit. The control apparatus can control the light-emitting chips so as not to exceed a supply capability the current supply unit applying a driving current to the light-emitting chips, and also can allow the switching devices to decrease than the number of the light-emitting chips. The vehicle lamp can include a system controller to appropriately control the control apparatus. Thus, the present invention can provide the vehicle lamp using the control apparatus, which can provide preferable light distribution patterns with reliability and a simple structure as usage of the vehicle lamp.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 21, 2019
    Applicant: STANLEY ELECTRIC CO., LTD.
    Inventor: Yoichi HIROSE
  • Patent number: 10234615
    Abstract: An illumination device can include a light source; and a light guiding lens for receiving light from the light source. The light guiding lens includes a light emission portion that extends in a predetermined direction and has a main surface with reflecting cuts, and a light guiding portion provided to the light emission portion at an end portion thereof in the predetermined direction. The light guiding portion is configured to project more than the light emission portion in a thickness direction of the light emission portion and extend along the end portion of the light emission portion. The light source is disposed to face to an end face of the light guiding portion in an extending direction of the light guiding portion, the end face projecting more than the light emission portion. An end face of the light guiding portion has reflecting cuts arranged in the extending direction.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: March 19, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Kouichi Osaka, Daisuke Nakashima, Naoya Sone, Norifumi Imazeki, Mari Kawabata
  • Publication number: 20190070997
    Abstract: An illumination device for a vehicle includes: plural light sources that are disposed so as to be lined-up in at least one line, and that illuminate light; a light-blocking member having an opening portion onto which light illuminated from the light sources is incident; and a projecting lens that emits, toward an object, light that has passed through the opening portion of the light-blocking member and has been incident on the projecting lens.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 7, 2019
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, STANLEY ELECTRIC CO., LTD.
    Inventors: Fumihiko MOURI, Takuya KITAZONO, Norikatsu MYOJIN
  • Patent number: 10224458
    Abstract: A group III nitride laminate includes, on an AlN single crystal substrate, a multilayer structure having an AlXGa1-XN layer (0<X?1) that is lattice-matched to the AlN single crystal substrate, and wherein a GaN layer that has a film thickness of 5-400 nm and a dislocation density of less than 5×1010 cm?2 or a half width of the X-ray omega rocking curve of 50-300 seconds is laminated on the AlXGa1-XN layer (0<X?1).
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: March 5, 2019
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Hiroshi Furuya, Toshiyuki Obata, Toru Kinoshita
  • Patent number: 10222020
    Abstract: There is provided a lighting fixture including: a light source that emits a light beam; an electrodeposition device that includes multiple pixels of which a transparent state and a mirror state are switchable, independently, and that is disposed such that a normal direction of a pixel surface is not parallel to an optical axis direction of an incident light beam on an optical path of a light beam emitted from the light source; and an optical system that emits, as an illumination beam, both a light beam transmitted through the electrodeposition device and a light beam reflected from the pixel in the mirror state in the electrodeposition device.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: March 5, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventor: Yasuo Toko
  • Publication number: 20190067523
    Abstract: A vertical ultraviolet light-emitting diode has, on an aluminum polar plane of an n-type AlN single crystal substrate, a layer represented by n-type AlXGa1-XN (wherein X is a rational number satisfying 0.5?X?1.0), an active layer, a layer represented by p-type AlYGa1-YN (wherein Y is a rational number satisfying 0.5?Y?1.0) and a p-type GaN layer in this order and which is equipped with a p-electrode formed on the p-type GaN layer and an n-electrode partially provided on a plane on the opposite side to the aluminum polar plane of the n-type AlN single crystal substrate, preferably an n-electrode formed by providing at least one opening functioning as a light extraction window, wherein the shortest distance between the n-electrode and an arbitrary point in a portion where the n-electrode is not provided, is not more than 400 ?m.
    Type: Application
    Filed: February 21, 2017
    Publication date: February 28, 2019
    Applicant: Stanley Electric Co., Ltd.
    Inventor: Toru Kinoshita
  • Publication number: 20190063712
    Abstract: To facilitate lead wiring layout corresponding to an increase in the number of individual electrodes of the liquid crystal element in a vehicle headlamp system. The vehicle headlamp system that selectively performs light irradiation towards the periphery of its own vehicle includes a light source, a liquid crystal element, and a lens. The liquid crystal element includes a plurality of first individual electrode parts, a plurality of second individual electrode parts, and a first lead wiring part. The first lead wiring part includes a plurality of first individual wirings each of which is connected to one of the plurality of first individual electrode parts, and a plurality of second individual wirings each of which is connected to one of the plurality of second individual electrode parts and arranged through a gap formed between the adjacent first individual electrode parts in the first direction.
    Type: Application
    Filed: August 7, 2018
    Publication date: February 28, 2019
    Applicant: STANLEY ELECTRIC CO., LTD.
    Inventors: Yasuo TOKO, Tomohide MANO, Hiroshi TOZUKA
  • Patent number: 10215360
    Abstract: A vehicle lamp can include first and second lamp units or portions that each have a light emission portion that extends across a gap between two vehicle body portions, such as a door panel, quarter panel, trunk lid, etc. The first and second lamp units/portions can be configured such that it appears that the vehicle lamp extends seamlessly and without detectable lighting variation across the gap between vehicle body portions.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: February 26, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Teerawan Grogan, Aaron M Eberle, Takuya Matsumaru
  • Patent number: 10217386
    Abstract: A thin light-transmitting substrate showing high thermal conduction efficiency, and having a function of raising surface temperature thereof is provided. The light-transmitting substrate of the present invention comprises a substrate that transmits at least a light of a predetermined wavelength, and a conductor pattern that is disposed on the substrate, and generates heat to raise temperature of the surface of the substrate when it is supplied with an electric current. The conductor pattern is directly disposed on the substrate without any adhesive layer.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: February 26, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Akihiko Hanya, Kosaburo Ito, Yoshiyuki Abe
  • Patent number: 10208926
    Abstract: A vehicular lamp including: a surface emitting light source including a front surface that includes a light-emitting surface, and a rear surface on the side opposite thereto; a transparent member including a light incident surface, a light exit surface from which light entering from the light incident surface exits, a light guide portion for guiding the light entering from the light incident surface to the light exit surface, and a holding portion for holding the surface emitting light source; and a light source that emits light which enters from the light incident surface, is guided to the light exit surface by the light guide portion, and exits from the light exit surface.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: February 19, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Hiroyuki Chikama, Ryusuke Sasanuma, Koichiro Ano, Hidetaka Okada
  • Patent number: 10203082
    Abstract: A vehicle lamp includes a plurality of light sources and a light guide plate configured to guide light from the plurality of light sources, the light guide plate has a light diffuser configured to diffuse the light, the light diffuser has a plurality of hole sections, the hole section passes through the light guide plate in a thickness direction thereof and includes a light guide emission surface and a light guide incident surface opposite to each other in a direction in which the light entering from one end surface advances, and a plurality of concave stripe section formed in parallel to a direction crossing with the direction in which the light advances is provided at the light guide emission surface and the light guide incident surface.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: February 12, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventor: Mari Kawabata
  • Patent number: 10193021
    Abstract: A light-emitting layer includes: a base layer with a plurality of base segments that have a composition subject to stress strain from a first semiconductor layer and are formed in a random net shape; and a quantum well structure layer including at least one quantum well layer and at least one barrier layer that are formed on the base layer. The base layer includes: a first sub-base layer; a trench that partitions the first sub-base layer for each of the plurality of base segments; and a second sub-base layer formed to bury the first sub-base layer.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: January 29, 2019
    Assignees: STANLEY ELECTRIC CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Hiroyuki Togawa, Masakazu Sugiyama
  • Patent number: 10186634
    Abstract: A semiconductor light-emitting element includes: a first semiconductor layer of a first conductivity type; a light-emitting functional layer including a light-emitting layer formed on the first semiconductor layer; and a second semiconductor layer that is of a conductivity type opposite to that of the first semiconductor layer and is formed on the light-emitting functional layer. The light-emitting layer has a base layer with a plurality of base segments that have a composition subject to stress strain from the first semiconductor layer and are formed in a random net shape, and a quantum well structure layer formed from at least one quantum well layer and at least one barrier layer that are formed on the base layer. Each of the at least one quantum well layer has an InGaN composition so that the In composition increases as the distance to the second semiconductor layer decreases.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: January 22, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventor: Yusaku Fujii
  • Patent number: 10186671
    Abstract: A semiconductor light-emitting element including a first semiconductor layer of a first conductivity type; a light-emitting functional layer that includes first and second light-emitting layers; and a second semiconductor layer of a conductivity type opposite to the conductivity type of the first semiconductor layer. The first light-emitting layer has a first base layer with a composition subject to stress strain from the first semiconductor layer; a first quantum well layer that retains a segment shape of the first base segment; and a first barrier layer that has a flat surface flattened by embedding the first base layer and the first quantum well layer. The second light-emitting layer has a second base layer that has a composition subject to stress strain from the first barrier layer; a second quantum well layer that retains a segment shape of the second base segment; and a second barrier layer.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: January 22, 2019
    Assignees: STANLEY ELECTRIC CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Meiki Goto, Masakazu Sugiyama, Mathew Manish
  • Publication number: 20190018291
    Abstract: A LCD device containing an active drive dot matrix LCD element, each pixel containing subsidiary pixels each having a color filter; a passive drive segment display LCD element laminated on rear side of the active drive LCD element, having segment electrode, arranged to be applied with a set voltage, the segment electrode having edge defining a segment shape; cross-nicol polarizers disposed on both outer sides of the LCD elements; controller circuit including first part controlling voltages to be applied to subsidiary pixels, and second part controlling voltages to be applied to the segment electrode; wherein the display device produce normally black display in the absence of applied voltage; and wherein when the segment electrode is activated, those subsidiary pixels in pixels outside the edge of the activated segment electrode are partly driven and partly not driven, displaying different color or intermediate grade, than the conventional art.
    Type: Application
    Filed: June 28, 2018
    Publication date: January 17, 2019
    Applicant: STANLEY ELECTRIC CO., LTD.
    Inventor: Yoshihisa Iwamoto
  • Patent number: 10179535
    Abstract: In a vehicle headlamp that uses a light source having high output intensity, turn off the light source quickly when an abnormality occurs. A lighting control device of a vehicle headlamp includes a lighting control part that controls an on state of the vehicle headlamp, an obstacle detecting part for detecting an obstacle that exists in front of the vehicle, and a collision prediction processing part that, when the obstacle exists on the basis of detection results from the obstacle detecting part, predicts a possibility of collision between the obstacle and the vehicle on the basis of a distance between the obstacle and the vehicle and a speed of the vehicle and, when it is determined that the possibility of collision exists, instructs the lighting control part to relatively decrease an output light of the vehicle headlamp to below a normal intensity of the vehicle headlamp.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: January 15, 2019
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventor: Shinya Hoshino