# US 8,540,385 B2 · Backlight assembly, relay connector, and backlight unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,540,385 B2 - Document ID: US8540385B2 - Status: Granted - Kind: B2 - Application number: 13/583,751 - Filed: 2011-03-31 - Published: 2013-01-17 - Granted: 2013-09-24 - Earliest claimed: 2010-04-05 - Assignees: Japan Aviation Electronics Industry, Limited - Applicants: Takeharu Naito - Inventors: Takeharu Naito - Web page: https://patentgrep.com/patent/US8540385B2 ## CPC - H01R 31/06: Intermediate parts for linking two coupling parts, e.g. adapter (with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/94) - G02B 6/0083: {Details of electrical connections of light sources to drivers, circuit boards, or the like} - G02F 1/133608: {including particular frames or supporting means} - H01R 12/721: {cooperating directly with the edge of the rigid printed circuits} - H01R 12/778: {Coupling parts carrying sockets, clips or analogous counter-contacts (H01R12/78, H01R12/79 take precedence)} - G02F 1/133314: {Back frames} - G02F 1/133612: {Electrical details} - H01R 13/743: {integral with the housing} - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS ## Abstract Provided is a backlight assembly wherein a cost reduction is easier than conventional. A backlight assembly (1) has light-emitting element boards (23a to 23f) that are mounted with light-emitting elements (31) and provided on a frame (3b) around an upper surface (front surface) of a chassis (3), a power supply board (51) that is provided on a back surface of the chassis (3) and supplies power to the light-emitting element boards (23a to 23f), and a relay connector (21) that is held by the chassis (3) and electrically connects between the power supply board (51) and the light-emitting element boards (23a to 23f). ## Claims ### Claim 1 A backlight assembly comprising a light-emitting element board that is mounted with a light-emitting element and disposed at a peripheral portion of a front surface of a chassis, a power supply board that is disposed on a back surface of the chassis and supplies power to the light-emitting element board, and a relay connector that is held by the chassis and connects between the power supply board and the light-emitting element board, wherein the relay connector comprises a housing that is provided passing through the chassis, and a contact that is held by the housing and electrically connects between the power supply board and the light-emitting element board. ### Claim 2 (depends on 1) The backlight assembly according to claim 1, wherein the contact comprises a power supply board connecting portion that is connected to the power supply board, an electrically conductive path connecting portion that is connected to an electrically conductive path connected to the light-emitting element board, and a press-fitting portion that is provided between the power supply board connecting portion and the electrically conductive path connecting portion and is press-fitted into the housing. ### Claim 3 (depends on 2) The backlight assembly according to claim 2, wherein the electrically conductive path comprises a wire harness comprising one end provided with a harness connector. ### Claim 4 (depends on 2) The backlight assembly according to claim 2, wherein the electrically conductive path is a board-like connecting portion forming a part of an outer periphery of the light-emitting element board, and the electrically conductive path connecting portion is an elastic contact that is in elastic contact with the board-like connecting portion. ### Claim 5 (depends on 2) The backlight assembly according to claim 2, wherein the electrically conductive path connecting portion is a pin contact. ### Claim 6 (depends on 2) The backlight assembly according to claim 2, wherein the power supply board connecting portion is an elastic contact that is in elastic contact with the power supply board. ### Claim 7 (depends on 1) The backlight assembly according to claim 1, wherein the housing comprises a flange, and an elastic portion that sandwiches the chassis jointly with the flange. ### Claim 8 A relay connector wherein the relay connector is held by a chassis comprising a front surface on which a light-emitting element board mounted with a light-emitting element is disposed at a peripheral portion thereof, and a back surface on which a power supply board that supplies power to the light-emitting element board is disposed, and the relay connector comprises a housing that is provided passing through the chassis, and a contact that is held by the housing and electrically connects between the power supply board and the light-emitting element board. ### Claim 9 (depends on 8) The relay connector according to claim 8, wherein the contact comprises a power supply board connecting portion that is connected to the power supply board, an electrically conductive path connecting portion that is connected to an electrically conductive path connected to the light-emitting element board, and a press-fitting portion that is provided between the power supply board connecting portion and the electrically conductive path connecting portion and is press-fitted into the housing. ### Claim 10 (depends on 9) The relay connector according to claim 9, wherein the electrically conductive path connecting portion is a pin contact. ### Claim 11 (depends on 9) The relay connector according to claim 9, wherein the power supply board connecting portion is an elastic contact that is in elastic contact with the power supply board. ### Claim 12 (depends on 8) The relay connector according to claim 8, wherein the housing comprises a flange, and an elastic portion that sandwiches the chassis jointly with the flange. ### Claim 13 (depends on 1) A backlight unit comprising the backlight assembly according to claim 1.