# US 10,485,131 B2 · Power-supply device, light fixture, and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,485,131 B2 - Document ID: US10485131B2 - Status: Granted - Kind: B2 - Application number: 15/656,453 - Filed: 2017-07-21 - Published: 2017-11-09 - Granted: 2019-11-19 - Earliest claimed: 2013-10-02 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Kosaku Arita; Masahiro Nishikawa - Web page: https://patentgrep.com/patent/US10485131B2 ## CPC - B60Q 1/0094: {Arrangement of electronic circuits separated from the light source, e.g. mounting of housings for starter circuits for discharge lamps (arrangements being part of the light source holder F21V17/06, F21S43/195)} - F21S 41/00: Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00) - H05K 5/0247: {Electrical details of casings, e.g. terminals, passages for cables or wiring} - H05K 5/03: Covers - H05K 7/1427: {Housings} - H05K 7/14322: {wherein the control and power circuits of a power converter are arranged within the same casing} - 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 - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A power-supply device including: a casing having a space therein and formed by metal stamping or having a thickness ranging from 0.3 to 3.0 mm; and a circuit board disposed inside the casing, wherein the casing includes a casing portion having an opening, and a cover portion disposed to cover the opening of the casing portion, the casing portion has a through hole formed at a position corresponding to a connector terminal connected to the circuit board, and the cover portion includes a storage portion bulging outward from the casing, the storage portion storing either one of an electronic component provided to a face of the circuit board which faces the cover portion and an electronic component provided across the circuit board. ## Claims ### Claim 1 A power-supply device comprising: a casing; a circuit board; and at least one electronic component on the circuit board, wherein the casing includes a casing portion having an opening, and a cover portion disposed to cover the opening of the casing portion, the casing houses the circuit board between the casing portion and the cover portion, and the cover portion includes a recess covering the at least one electronic component, wherein the casing portion has a through hole formed at a position corresponding to a connector terminal connected to the circuit board, the casing portion includes a protruding portion that protrudes outward, a top face of the protruding portion is recessed, the through hole is located in the top face of the protruding portion. ### Claim 2 (depends on 1) The power-supply device according to claim 1, wherein the casing has a material thickness ranging from 0.3 to 3.0 mm. ### Claim 3 (depends on 1) The power-supply device according to claim 1, wherein the through hole is surrounded by a wall portion. ### Claim 4 (depends on 3) The power-supply device according to claim 3, wherein when the cover portion is seen in a planar view, the recess and the wall portion do not overlap each other. ### Claim 5 (depends on 1) The power supply device according to claim 1, wherein the at least one electronic component is a transformer. ### Claim 6 (depends on 1) The power supply device according to claim 1, wherein the cover portion has a thickness ranging from 0.8 to 3.0 mm, and the casing portion has a thickness ranging from 0.3 to 1.0 mm. ### Claim 7 (depends on 1) The power supply device according to claim 1, wherein the circuit board is fixed to the cover portion. ### Claim 8 (depends on 1) The power supply device according to claim 1, wherein a groove is formed in an inner face of the cover portion to surround the circuit board. ### Claim 9 (depends on 1) A light fixture comprising: a housing including a light extraction portion; a light source disposed inside the housing; and the power-supply device according to claim 1 that is disposed outside the housing and supplies power to the light source. ### Claim 10 (depends on 9) The light fixture according to claim 9, wherein an exterior of the cover portion is exposed to an outside of the housing. ### Claim 11 (depends on 9) A vehicle comprising: a vehicle body; and the light fixture according to claim 9. ### Claim 12 A power-supply device comprising: a casing; a circuit board; and at least one electronic component on the circuit board, wherein the casing includes a casing portion having an opening, and a cover portion disposed to cover the opening of the casing portion, the casing houses the circuit board between the casing portion and the cover portion, and the cover portion includes a recess covering the at least one electronic component, wherein the casing portion has a through hole formed at a position corresponding to a connector terminal connected to the circuit board, the casing portion includes a wall portion provided by protruding part of the casing portion outward, the wall portion surrounds the through hole and is located away from the through hole, an external shape of the wall portion is circular in a plan view.