Patents Assigned to Ichikoh Industries, Ltd.
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Publication number: 20230144042Abstract: A vehicle light guide body includes an incident surface that light from the light source enters, a first reflective surface that internally reflects the light that has entered from the incident surface to form nearly parallel light, a second reflective surface that internally reflects the light from the first reflective surface, a third reflective surface provided in a position located in front of the second reflective surface in a front-rear direction and in a portion in at least one of end faces in a left-right direction, a light shielding part that shields a part of the light reflected by the second reflective surface, and a light emitting surface that emits the light that has been internally reflected by the second reflective surface and has passed through the light shielding part to illuminate a headlight pattern in front of a vehicle.Type: ApplicationFiled: March 26, 2021Publication date: May 11, 2023Applicant: Ichikoh Industries, Ltd.Inventor: Kei ONOMA
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Publication number: 20230125470Abstract: Photoluminescence generated by excitation light emitted from an excitation light source can be effectively utilized. A vehicle lamp according to the present invention includes a lamp housing and a lamp lens forming a lamp chamber, an excitation light source disposed in the lamp chamber and emitting excitation light, and a luminescence unit fixed to the lamp lens on a side thereof closer to the lamp chamber and generating photoluminescence by the excitation light emitted from the excitation light source. The lamp lens is a lens that transmits the photoluminescence generated in the luminescence unit and emits the photoluminescence outside the lamp chamber. As a result, the present invention enables effective use of the photoluminescence generated by the excitation light emitted from the excitation light source.Type: ApplicationFiled: March 30, 2021Publication date: April 27, 2023Applicant: Ichikoh Industries, Ltd.Inventors: Yoshiro SATO, Daisuke TAKAMURA, Takaaki TSUCHIYA
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Publication number: 20230103138Abstract: A vehicular lamp includes: a main light source that emits light for forming a predetermined irradiation pattern; an optical member that allows the light emitted from the main light source to travel toward a front side in an irradiation direction to form the irradiation pattern; a heat dissipation member that releases heat from the main light source to outside; and a light guide member that guides light from an auxiliary light source provided as a separate body from the main light source. In the heat dissipation member, the heat dissipation member is provided with an opening part that opens a mounting surface provided with the main light source, and the light guide member guides light from the auxiliary light source toward the mounting surface through the opening part.Type: ApplicationFiled: March 22, 2021Publication date: March 30, 2023Applicant: Ichikoh Industries, Ltd.Inventors: Katsuro SAKINO, Katsuhiko INOUE, Eiji SUZUKI
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Patent number: 11603972Abstract: A vehicle light guide 40 that guides light from a light source 10 toward a projection lens 30 includes an incident surface 41 on which light from the light source 10 is incident, a reflective surface 45 that reflects light from the incident surface 41, and an exit surface 44 that outputs light reflected on the reflective surface 45. The reflective surface 45 includes, on at least a part thereof, a light diffusing part 50 where at least either one of a plurality of convex parts 51 and a plurality of concave parts 52 that diffuse light are formed.Type: GrantFiled: September 27, 2019Date of Patent: March 14, 2023Assignee: Ichikoh Industries, Ltd.Inventor: Kazunori Iwasaki
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Publication number: 20230041578Abstract: To provide a vehicular lamp that can improve the degree of freedom in the arrangement position of a road surface irradiation unit. The vehicular lamp comprises a road surface irradiation unit for forming an irradiation pattern around the vehicle with light from a light emitting portion for a road surface; and a shielding part for covering the light emitting portion for the road surface when the road surface irradiation unit is viewed from the front. The vehicular lamp may further comprise a lamp unit housed in a lamp chamber together with the road surface irradiation unit, and the road surface irradiation unit may be turned on and off interlocked with the lamp unit.Type: ApplicationFiled: February 17, 2021Publication date: February 9, 2023Applicant: Ichikoh Industries, Ltd.Inventors: Takanori HAMAMOTO, Yuichiro WASHI
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Publication number: 20230029917Abstract: When light is off, a transparent appearance is obtained, while when the light is on, light is seen through a transparent spot. The present invention includes a light source portion and a reflective portion. The light source portion emits light. The light source portion is disposed at a position shifted with respect to an emitting direction of emitted light from the reflective portion. The reflective portion reflects the light from the light source portion and emits it in a predetermined direction. The reflective portion is constituted by a transparent member with a refractive index at least in a visible light area larger than 1. As a result, in the present invention, the transparent appearance is obtained when the light is off, while the light is seen through the transparent spot when the light is on.Type: ApplicationFiled: December 16, 2020Publication date: February 2, 2023Applicant: Ichikoh Industries, Ltd.Inventors: Yoshiro SATO, Alejandro DE-ARRIBA, Takaaki TSUCHIYA
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Publication number: 20230024988Abstract: To provide a light-emitting unit for a door mirror capable of improving a stability of LED's position and connectivity, while reducing a breakage possibility of the LED due to heat. The light-emitting unit for a door mirror is characterized in that it includes a rigid first substrate part having a connector part to receive a signal, and mounts a control unit thereon to cause an LED to emit light based on the signal; a rigid second substrate part provided separately from the first substrate part and mounts the LED thereon; and a connection part connecting the first substrate part to the second substrate part and having a circuit to cause a current signal transmitted from a first substrate part side to reach the LED's side, and the connection part has lower heat transfer rate than heat dissipation rate of the second substrate part.Type: ApplicationFiled: December 22, 2020Publication date: January 26, 2023Applicant: Ichikoh Industries, Ltd.Inventors: Tomoya MATSUBARA, Kenji ARIMA, Takashi NAKATANI, Lina YAN
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Publication number: 20220412527Abstract: A vehicular light-guiding body includes: an incidence surface on which light from a light source is incident; a first reflection surface; a second reflection surface; a connecting surface that has a transmission surface which transmits a portion of the light reflected by the second reflection surface from a lower side in an up-down direction on the onboard state to a guiding body outer part, and directs the light forward in the front-rear direction; a re-incidence surface that is disposed on a front side in the front-rear direction with respect to the transmission surface and on a lower side in the up-down direction with respect to the light blocking part, and allows the light transmitted from the transmission surface to the guiding body outer part to be re-incident; and an emission surface that emits the light internally reflected by the second reflection surface, and the light incident from the re-incidence surface.Type: ApplicationFiled: November 25, 2020Publication date: December 29, 2022Applicant: Ichikoh Industries, Ltd.Inventor: Kei ONOMA
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Publication number: 20220390080Abstract: A vehicle light guide and a vehicle headlight which can improve long-distance visibility are provided. The vehicle light guide has a shape having an incident surface on which light from a light source is incident, a first reflective surface which internally reflects the light incident from the incident surface toward a front in a front-back direction in a vehicle-mounted state, a second reflective surface having a shape with an inclined portion inclined to a lower side in the front-back direction in the vehicle-mounted state across an edge side on the front in the front-back direction and internally reflecting the light reflected by the first reflective surface toward the front in the front-back direction, and an emission surface that emits the light internally reflected by the first reflective surface and the second reflective surface and emits a light distribution pattern to the front of the vehicle.Type: ApplicationFiled: October 22, 2020Publication date: December 8, 2022Applicant: Ichikoh Industries, Ltd.Inventor: Kazunori IWASAKI
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Publication number: 20220381413Abstract: A movable shade mechanism for a vehicular headlight and a vehicular headlight capable of reducing the entire weight while enhancing rigidity of a bracket is provided. A movable shade mechanism for a vehicular headlight includes a shade member rotating around a rotary shaft and adjusting a shielding amount of light from a light source, a drive unit to generate power to drive the shade member, a transmission member to transmit power of the drive unit to the shade member, and a plate bracket to hold the rotary shaft and the drive unit, wherein the bracket includes a base that is disposed along a horizontal plane in a vehicle-mounted state and supports the drive unit, and a shade support that is bent upwardly from a rear end of the base in the vehicle-mounted state and supports the rotary shaft.Type: ApplicationFiled: October 23, 2020Publication date: December 1, 2022Applicant: Ichikoh Industries, Ltd.Inventor: Toshiya ABE
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Publication number: 20220373149Abstract: A vehicular lamp includes a light source and a projection lens to form an irradiation pattern. The irradiation pattern includes a main instruction symbol and one or more sub instruction symbols. The main instruction symbol is more emphasized than the sub instruction symbols. In the projection lens, an incidence surface is a continuous surface. The projection lens includes an upper lens part that forms the main instruction symbol and a lower lens part that forms the sub instruction symbols. In the projection lens, at least both end parts in a horizontal direction of an upper emission surface allowing emission of light from the light source in the upper lens part protrude further to a projecting side than both end parts in the horizontal direction of a lower emission surface allowing emission of the light from the light source in the lower lens part.Type: ApplicationFiled: October 21, 2020Publication date: November 24, 2022Applicant: Ichikoh Industries, Ltd.Inventor: Yasuhiro OKUBO
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Publication number: 20220371509Abstract: To provide a vehicular lamp capable of making a desired light distribution on a light shielding member while having a simple configuration. The vehicular lamp comprises a first and second light source each having a light emitting surface and being arranged in a predetermined parallel direction; a single condenser lens for condensing light emitted from the first and second light source; a light shielding member provided with an irradiation slit through which light condensed by the condenser lens is partially passed; and a projection lens for projecting light passed through the light shielding member to form an irradiation pattern. The first and second light source are arranged with an interval equal to or larger than dimensions in the parallel direction on the light emitting surfaces, the condenser lens makes a light distribution in which a high light quantity area with the highest light quantity is single in the parallel direction.Type: ApplicationFiled: December 24, 2020Publication date: November 24, 2022Applicant: Ichikoh Industries, Ltd.Inventor: Yasuhiro OKUBO
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Patent number: 11505126Abstract: The present invention includes a shaft, a gear case, a cover, a motor, and a rotational force transmission mechanism. The gear case has an upright wall. The cover has a fitting wall and a cover wall. The upright wall and the fitting wall are provided with a fitting member. The fitting member includes a fitting protruding unit, and an elastically deformable fitting piece having a fitting opening unit. As a result, the present invention can sufficiently reduce the number of parts and can surely prevent the cover from rattling.Type: GrantFiled: June 20, 2019Date of Patent: November 22, 2022Assignee: Ichikoh Industries, Ltd.Inventor: Ikuo Sakata
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Patent number: 11480826Abstract: A vehicle mirror includes: an image display section that displays an image with first polarized light; and a mirror section disposed on an image output side of the image display section, wherein, in order from the image display section side, the mirror section includes, for example, a first polarizer that transmits the first polarized light and reflects second polarized light, a polarization controller that controls a polarization state of light, and a second polarizer that transmits the first polarized light and absorbs the second polarized light, wherein the polarization controller includes a liquid crystal layer, a first electrode being set on a first polarizer side of the liquid crystal layer, and a second electrode being set on a second polarizer side of the liquid crystal layer, and wherein at least one of the first electrode and the second electrode is formed with multiple area electrodes.Type: GrantFiled: April 18, 2019Date of Patent: October 25, 2022Assignee: Ichikoh Industries, Ltd.Inventor: Masayuki Kumeta
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Patent number: 11453341Abstract: A vehicle mirror device includes a mirror housing attached to a vehicle and a mirror that is held by the mirror housing and transmits light from inside of the mirror housing while reflecting light from outside of the mirror housing. The mirror housing accommodates therein a light source, a reflector having a reflective surface that reflects light of the light source, and a mask having a light transmitting part through which the light from the light source reflected by the reflector is projected. The light source and the reflector are arranged so that the light is projected toward the light transmitting part of the mask by one time of reflection, and the reflector is arranged so that the reflected light is projected at an angle with respect to a normal line of a reflective surface of the mirror.Type: GrantFiled: December 26, 2019Date of Patent: September 27, 2022Assignee: ICHIKOH INDUSTRIES, LTD.Inventor: Yusuke Kobayashi
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Publication number: 20220299186Abstract: In a vehicular lamp, power consumption during the realization of high beams is efficiently reduced so as to downsize a heat radiating member. Disclosed is a vehicular lamp including a plurality of first light sources for low beams, a plurality of second light sources for high beams, a heat radiating member thermally connected to the plurality of first light sources and the plurality of second light sources, and a control device configured to control the plurality of first light sources and the plurality of second light sources, and the control device turns on all of the plurality of first light sources during realization of low beams and, during realization of high beams, turns on all of the plurality of second light sources and turns on some or all of the plurality of first light sources in a state where a lower electric power is consumed as compared with electric power consumed by the plurality of first light sources during the realization of low beams.Type: ApplicationFiled: August 20, 2020Publication date: September 22, 2022Applicant: Ichikoh Industries, Ltd.Inventors: Katsuhiko INOUE, Eiji SUZUKI
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Patent number: 11448378Abstract: A vehicle lamp includes a light source and a compound optical lens that emits light forward. The compound optical lens has an incidence surface, an emission surface, and a shade part. The emission surface emits the light received by the incidence surface forward. The shade part is disposed between the incidence surface and the emission surface. The compound optical lens has first and second reflector surfaces. The first reflector surface reflects light forming a first light distribution pattern toward the emission surface. The second reflector surface reflects light forming a condensed-light distribution pattern toward the emission surface. The width of the first reflector surface is larger than the width of the second reflector surface in a vehicle width direction at a position where the first reflector surface and the second reflector surface are adjacent to each other.Type: GrantFiled: August 30, 2019Date of Patent: September 20, 2022Assignee: Ichikoh Industries, Ltd.Inventor: Kazunori Iwasaki
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Publication number: 20220290833Abstract: A lens of a vehicular headlight is mounted on a vehicle and includes an incident surface through which light from a light source enters and an emission surface from which light entered from the incident surface is emitted. At an upper edge area including an upper end in an on-board state, the emission surface has a shape allowing a portion of light entered through the incident surface and reached the upper edge area to be internally reflected rearward in the on-board state after being internally reflected toward the incident surface side from the emission surface and internally reflected toward the emission surface side from the incident surface.Type: ApplicationFiled: August 20, 2020Publication date: September 15, 2022Applicant: Ichikoh Industries, Ltd.Inventor: Hiroshi MISUGE
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Publication number: 20220275923Abstract: A vehicle lamp includes: a plurality of reflectors including a first reflector; and a plurality of light sources provided in the plurality of reflectors in a mode in which at least one of the plurality of light sources is provided in each of the plurality of reflectors, where the plurality of light sources include two or more first light sources provided in the first reflector, a light distribution pattern of light emitted from the plurality of light sources through the plurality of reflectors includes a first pattern in which a width in a vertical direction decreases toward a vehicle outer side, one of the two or more first light sources is disposed at a focal point of the first reflector, and the other of the two or more first light sources is disposed on a vehicle inner side with respect to the focal point of the first reflector.Type: ApplicationFiled: August 4, 2020Publication date: September 1, 2022Applicant: Ichikoh Industries, Ltd.Inventor: Masateru HAYASHI
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Patent number: 11415290Abstract: A vehicle lamp includes a mirror, a plurality of light-emitting elements, and a lens. The mirror is capable of rotating a mirror surface around a rotary axis in a vertical direction. The mirror surface extends along the rotary axis. The light-emitting elements are arranged on a lateral side more than the mirror in a vehicle width direction. The lens irradiates a range wider than the mirror with light from the light-emitting elements. The light-emitting elements are disposed apart from each other such that light distribution images of the light reflected by the mirror surface are aligned along the vehicle width direction. The mirror rotates to combine the adjacent light distribution images and form a main light distribution pattern.Type: GrantFiled: September 25, 2019Date of Patent: August 16, 2022Assignee: Ichikoh Industries, Ltd.Inventors: Kazunori Iwasaki, Yasuhiro Okubo, Chiharu Sasaki