Abstract: To achieve both reduction of a sense of discomfort to a driver due to a reflective object and improvement in visibility of a pedestrian or the like. A control apparatus for controlling light irradiated by a headlight of a vehicle, where the control apparatus causes the headlight to forma first irradiation light and a second irradiation light that overlaps a certain range on the lower end side in the vertical direction of the first irradiation light and overlaps the entire range in the width direction of the first irradiation light, and causes to dim at least a part of the entire range of the first irradiation light corresponding to the position of a reflective object when the reflective object fixed on the road ahead of the vehicle is present.
March 5, 2020
Date of Patent:
April 20, 2021
STANLEY ELECTRIC CO., LTD., HONDA MOTOR CO., LTD.
Abstract: A light-emitting element and a light-emitting device having low light loss, high luminance, and high light extraction efficiency are provided. The light-emitting element includes: a semiconductor structure layer having a light-emitting layer; a light-transmitting substrate provided on the semiconductor structure layer; a wavelength conversion layer disposed on the light-transmitting substrate; a light-transmitting covering member configured to cover at least a part of a side surface of the light-transmitting substrate and have transparency to light from the light-emitting layer; and a light-shielding member configured to entirely cover surfaces including a surface of the light-transmitting covering member, and including a side surface of the semiconductor structure layer, a side surface of the light-transmitting substrate, and a side surface of the wavelength conversion layer.
Abstract: A vehicular lamp fitting, comprising: a lamp case having an opening edge; a light guide that is disposed in the lamp case; and a light source that emits light which is guided inside the light guide, wherein the light guide includes a bar light-guiding unit and a plate light-guiding unit, the bar light-guiding unit includes a front face disposed on the front side and a rear face disposed on the rear side, the plate light-guiding unit includes a front face disposed on the front side and a rear face disposed on the rear side, and includes one edge connected to an outer peripheral surface of the bar light-guiding unit, and the other edge which is on the opposite side of the one edge, the other edge of the plate light-guiding unit extends along the opening edge in the front view.
Abstract: To improve light emission efficiency and suppress color unevenness on a light emitting surface. Provided is a semiconductor light emitting device including a light emitting element, a wavelength conversion layer for converting light emitted from the light emitting element to light having a predetermined wavelength, a light reflection member covering at least the side surfaces of the wavelength conversion layer, and a thin film provided on the outermost surface from which the light wavelength-converted by the wavelength conversion layer exits, having a property for shedding the uncured light reflection member, and having a coarse surface.
Abstract: An apparatus for controlling an adaptive drive beam mode vehicle headlamp of a subject vehicle travelling a road includes a headlamp driver adapted to drive the vehicle headlamp, a preceding vehicle determining section adapted to determine whether or not a preceding vehicle is travelling ahead of the subject vehicle, a road state determining section adapted to determine whether a state of the road is straight or curved, and a curved-mode illumination intensity pattern outputting section adapted to output a curved-mode illumination intensity pattern to the headlamp driver.
Abstract: The present invention provides a panel capable of switching between a state transparent to external light, a point light emitting state, and a surface light emitting state. Provided is a transparent panel provided with light emitting function, including: an LED die; a light transmitting substrate for LED, on which the LED die is mounted; a wiring pattern provided on a surface of the light transmitting substrate for LED and bonded to the LED die; and a light diffusing panel laminated on the light transmitting substrate for LED. The light diffusing panel includes: a pair of light transmitting substrates for liquid crystal; a liquid crystal layer sandwiched between the pair of light transmitting substrates for liquid crystal; and transparent conductive films disposed on the light transmitting substrates for liquid crystal, and is switchable between a transparent state and a light diffusion state.
Abstract: An illumination optical system having a light source and a single convex lens with a diffractive structure, wherein the phase function of the diffractive structure is represented by ? ? ( r ) = ? i = 1 N ? ? ? 2 ? i ? r 2 ? i where r represents distance from the central axis of the lens, the relationship |?2|·(0.3R)2<|?4|·(0.3R)4 is satisfied where R represents effective radius of the lens, the second derivative of the phase function has at least one extreme value and at least one point of inflection where r is greater than 30% of R, and the area of a surface of the light source is equal to or greater than 3% of the area of the entrance pupil when the light source side of the lens is defined as the image side.
November 25, 2020
March 18, 2021
STANLEY ELECTRIC CO., LTD., NALUX CO., LTD.
Abstract: In an MEMS projector (10), an image signal processing unit (110) outputs an inspection signal, and an inspection signal processing unit (114) outputs a light emission instruction signal. An inspection light source drive unit (112) outputs a light emission signal, and an inspection light source (13) radiates an inspection light. The inspection light radiated from the inspection light source (13) is reflected at the reflection position RP of a first support portion (22), and then received by a light receiver (14). Then, the light receiver (14) outputs a received light signal. Based on the received light signal, the inspection signal processing unit (114) detects the angle of the light deflecting mirror (20) around the X axial line.
Abstract: A lighting tool for a vehicle configured to radiate light toward a side in front of a vehicle includes: a light radiation unit having a light source main body; a first optical system configured to condense light radiated from the light radiation unit; and a cover member disposed in front of the first optical system and configured to overlap at least a part of the first optical system when seen from the front, wherein an opening disposed on an optical axis of the first optical system is provided in the cover member.
Abstract: Provided is an optical semiconductor element in which an unbonded portion between an optical semiconductor chip and a submount is made small, heat dissipation efficiency becomes high, and service life can be made long. The optical semiconductor element can include: a submount; a submount electrode provided on a mounting surface of the submount and having a rectangular shape as a whole; and a semiconductor chip including an element substrate, a semiconductor structure layer formed on the element substrate, and a chip electrode bonded to the submount electrode via a bonding layer. The chip electrode has a shape with chipped corners corresponding to four corners of the submount electrode, which has an exposed surface that is a portion exposed from the chip electrode at the four corners and bonded to the chip electrode to coincide with each other. The bonding layer extends to all the four corners of the exposed surface.
Abstract: A touch panel-equipped display device includes a front-side case that accommodates a display panel and a touch panel overlap each other, a support plate fixed at a side opposite with respect to a display surface of the front-side case, a back-side case disposed at a side opposite of the display panel with respect to the support plate, a vibration element fixed between the back-side case and the support plate and that vibrates the front-side case and the support plate in an in-plane direction of the display panel according to an operation on the touch panel, and a damper mechanism that supports the front-side case or the support plate so that the front-side case or the support plate is capable of being freely vibrated in the in-plane direction of the touch panel, wherein the damper mechanism has an elastic displacement section elastically displaced in the in-plane direction of the back-side case.
Abstract: A light-emitting device having light-emitting elements with high operation stability and light extraction efficiency is provided. The light-emitting device includes: a substrate; light-emitting elements aligned and arranged on the substrate in an arrangement direction; wavelength conversion layers each disposed on each of the light-emitting elements with a light-transmitting adhesive interposed therebetween, each of the wavelength conversion layers having an upper surface smaller than a bottom surface, and a side surface shape in which a length in a lateral direction parallel to the bottom surface and perpendicular to the arrangement direction decreases from the bottom surface toward the upper surface; a light-transmitting plate disposed over the wavelength conversion layers; and a reflective resin covering side surfaces of the light-emitting elements, the wavelength conversion layers, and the light-transmitting plate.
Abstract: A group III nitride semiconductor light-emitting element includes a single crystal substrate and an element layer. The element layer includes an n-type layer, an active layer, and a p-type layer formed on the upper surface of the single crystal substrate in this order, and has a composition represented by the composition formula AlXGaYIn1-X-YN (0?X?1.0, 0?Y?1.0, 0?X+Y?1.0). The thickness of the single crystal substrate is at least 80 ?m. The area of the upper surface of the substrate is larger than the area of the bottom surface of the substrate.
Abstract: Provided is a circuit board for reducing a likelihood of so-called through-hole disconnection, and enhancing connection reliability on both sides of a substrate via a through-hole. The circuit board has a substrate with the through-hole, a first conductive part covering an opening of the through-hole on one surface of the substrate in a manner blocking the opening, having a portion inserted into the through-hole from the one surface, and a second conductive part covering a second opening of the through-hole on the other surface of the substrate in a manner blocking the second opening, having a portion inserted into the through-hole from the other surface. The portion of the first conductive part inserted in the through-hole has a columnar shape forming a columnar portion having a diameter smaller than the through-hole.
Abstract: To increase the light utilization efficiency when selective light irradiation is performed using a liquid crystal element (a liquid crystal device). A lamp unit including: a light source; a reflective polarizing plate disposed at a position where light from the light source is incident; a reflecting mirror configured to reflect a reflected light generated by the reflective polarizing plate and re-enters the reflected light to the reflective polarizing plate; a liquid crystal device disposed on the light emitting surface side of the reflective polarizing plate; a polarizing plate disposed on the light emitting surface side of the liquid crystal device; and a lens disposed on the light emitting surface side of the polarizing plate.
Abstract: A method for producing a multi-layer bus bar unit includes preparing a plurality of metal flat plate-shaped bus bars, each with electrode terminal parts at two or more locations, depositing a coating film over an entire surface of each bus bar by electrodeposition coating, subjecting a coating film of a predetermined bus bar to a heating treatment so that the coating film is completely cured, subjecting another bus bar to a heat treatment so that the bus bar is semi-cured, and obtaining a multi-layer structure by alternately overlapping, and then subjecting to a pressure and heating treatment, the bus bar with the completely-cured coating film and the bus bar with the semi-cured coating film, so that the semi-cured coating film is completely cured and the plurality of bus bars adhere to each other by the completely-cured coating film.
May 16, 2016
Date of Patent:
February 2, 2021
SUNCALL CORPORATION, STANLEY ELECTRIC CO., LTD.
Abstract: Provided is an electronic device capable of supplying large current to a circuit pattern, without employing a thick film structure for the circuit pattern. The electronic device includes a substrate, a wiring layer placed on the upper surface of the substrate, an electronic component mounted above the wiring layer, and a bonding layer placed between the electronic component and the wiring layer. The wiring layer and the bonding layer are porous layers containing pores. The bonding layer has higher volume density than the wiring layer except underneath the electronic component.
Abstract: A wavelength conversion device includes: a wavelength conversion element having a phosphor plate that converts the wavelength of incident light upon a light incident surface to generate wavelength-converted light, and emits the wavelength-converted light from a light emission surface; an antenna array constituted of a plurality of optical antennas that are periodically arranged on the light emission surface of the phosphor plate; and a recessed structure including at least one recessed portion provided in the light emission surface of the phosphor plate.
July 12, 2019
Date of Patent:
February 2, 2021
STANLEY ELECTRIC CO., LTD., KYOTO UNIVERSITY
Abstract: A vehicular lamp includes a laser light source configured to radiate a laser beam, a wavelength conversion member configured to receive the laser beam and radiate white light, and a lens body disposed between the laser light source and the wavelength conversion member and configured to emit the white light, wherein the lens body has a laser beam incident surface configured to allow incidence of the laser beam, a white light incident surface configured to emit the laser beam from inside of the lens body and to allow incidence of the white light radiated from the wavelength conversion member, and an emission surface configured to emit the white light, and the wavelength conversion member is disposed to be separated from the white light incident surface.