# US 7,607,806 B2 · Vehicle lamp > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,607,806 B2 - Document ID: US7607806B2 - Status: Granted - Kind: B2 - Application number: 11/542,192 - Filed: 2006-10-04 - Published: 2007-04-05 - Granted: 2009-10-27 - Earliest claimed: 2005-10-05 - Assignees: Ichikoh Industries, Ltd. - Inventors: Masateru Hayashi; Yasuhiro Okubo; Shoichi Minokawa - Web page: https://patentgrep.com/patent/US7607806B2 ## CPC - F21V 29/74: with fins or blades - B60Q 1/0041: {of several lamps in relation to each other} - B60Q 1/12: due to steering position - B60Q 1/18: being additional front lights {(bracket mounted headlights B60Q1/0483)} - F21S 41/147: the main emission direction of the LED being angled to the optical axis of the illuminating device - F21S 41/155: Surface emitters, e.g. organic light emitting diodes [OLED] - F21S 41/657: by moving light sources - F21S 45/48: with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device - F21V 29/73: the elements being adjustable with respect to each other, e.g. hinged - F21V 29/745: {the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend} - F21V 29/75: with fins or blades having different shapes, thicknesses or spacing - F21V 29/76: with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section - F21V 29/81: with pins or wires having different shapes, lengths or spacing - F21V 29/83: the elements having apertures, ducts or channels, e.g. heat radiation holes - F21S 41/365: successively reflecting the light - F21Y 2115/10: Light-emitting diodes [LED] - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract A semiconductor light source emits a light. The semiconductor light source is directly mounted on a heat sink unit. A swivel unit swivels the semiconductor light source and the heat sink unit. A swivel shaft that is coupled to the swivel unit is integrated with the heat sink unit. ## Claims ### Claim 1 A vehicle lamp comprising: a semiconductor light source that emits a light; a heat sink unit on which the semiconductor light source is directly mounted; a reflector with an opened upper portion and an opened lower portion that forms a space with an upper opening and a lower opening; and a swivel unit that swivels the semiconductor light source and the heat sink unit, wherein a swivel shaft that is coupled to the swivel unit is integrated with the heat sink unit, the reflector is separately disposed from the heat sink unit, and the heat sink unit includes a rear radiation portion which extends rearward from a rear side of the heat sink unit into the space, the semiconductor light source is directly mounted on an upper portion of the heat sink unit, a shape of the heat sink unit is a turntable rotating around the swivel shaft in a top plane view, and the heat sink unit is disposed in a lamp chamber that houses the semiconductor light source. ### Claim 2 (depends on 1) The vehicle lamp according to claim 1, wherein a centerline of the swivel shaft is disposed on a substantially vertical plane that includes an optical axis of a reflecting surface that reflects the light from the semiconductor light source in a predetermined direction. ### Claim 3 (depends on 1) The vehicle lamp according to claim 1, wherein each of the swivel shaft and a swivel-shaft coupling portion of the swivel unit includes a positioning unit. ### Claim 4 (depends on 1) The vehicle lamp according to claim 1, wherein the heat sink unit is integrated with a shade for forming a predetermined light distribution pattern. ### Claim 5 (depends on 1) The vehicle lamp according to claim 1, further comprising: an ellipsoidal reflecting surface that reflects the light from the semiconductor light source in a predetermined direction, wherein the semiconductor light source is disposed at or near a first focal point of the ellipsoidal reflecting surface, and a shade for forming a predetermined light distribution pattern is disposed at or near a second focal point of the ellipsoidal reflecting surface. ### Claim 6 (depends on 1) The vehicle lamp according to claim 1, further comprising a concealing plate for concealing the heat sink unit, wherein the semiconductor light source is directly mounted on an upper portion of the heat sink unit, a side portion of the heat sink unit is inclined in a spreading manner from top to bottom, the concealing plate includes a through-hole in which a portion of the heat sink unit is inserted, and an edge of the through-hole is opposed to the side portion of the heat sink unit that is inclined. ### Claim 7 (depends on 1) The vehicle lamp according to claim 1, wherein the semiconductor light source is directly mounted on an upper portion of the heat sink unit, and a side portion of the heat sink unit is formed in a fin shape. ### Claim 8 A vehicle lamp comprising: a lamp housing and a lamp lens that define a lamp chamber; and a swivel lamp unit disposed in the lamp chamber, wherein the swivel lamp unit includes: a semiconductor light source that emits a light; a heat sink unit on which the semiconductor light source is directly mounted; a reflector with an opened upper portion and an opened lower portion that forms a space with an upper opening and a lower opening; and a swivel unit that swivels the semiconductor light source and the heat sink unit, wherein a swivel shaft that is coupled to the swivel unit is integrated with the heat sink unit, the reflector is separately disposed from the heat sink unit, and the heat sink unit includes a rear radiation portion which extends rearward from a rear side of the heat sink unit into the space, the semiconductor light source is directly mounted on an upper portion of the heat sink unit, a shape of the heat sink unit is a turntable rotating around the swivel shaft in a top plane view, and the heat sink unit is disposed in a lamp chamber that houses the semiconductor light source. ### Claim 9 (depends on 1) The vehicle lamp according to claim 1, wherein the rear radiation portion includes a fin which is disposed to be substantially parallel to up-down direction of the reflector.