# US 11,441,758 B2 · Connector system for lighting assembly

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- Number: US 11,441,758 B2
- Document ID: US11441758B2
- Status: Granted
- Kind: B2
- Application number: 17/378,989
- Filed: 2021-07-19
- Published: 2021-11-04
- Granted: 2022-09-13
- Earliest claimed: 2014-04-18
- Assignees: DVA Holdings LLC
- Applicants: Michael W. May
- Inventors: Michael W. May
- Web page: https://patentgrep.com/patent/US11441758B2

## CPC

- F21V 21/002: making direct electrical contact, e.g. by piercing (F21V21/35 takes precedence)
- F21K 9/272: Details of end parts, i.e. the parts that connect the light source to a fitting; Arrangement of components within end parts (F21K9/278 takes precedence)
- F21K 9/278: Arrangement or mounting of circuit elements integrated in the light source
- F21S 2/00: Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S 4/28: rigid, e.g. LED bars
- F21S 8/033: {the surface being a wall or like vertical structure, e.g. building facade}
- F21S 8/04: intended only for mounting on a ceiling or the like overhead structures (F21S8/02 takes precedence; {details of ceiling bases F21V21/03})
- F21S 8/046: {having multiple lighting devices, e.g. connected to a common ceiling base}
- F21S 9/02: the power supply being a battery or accumulator
- F21S 9/022: {Emergency lighting devices}
- F21V 3/0625: {the material diffusing light, e.g. translucent plastics}
- F21V 5/04: of lens shape
- F21V 19/0085: {at least one conductive element acting as a support means, e.g. resilient contact blades, piston-like contact}
- F21V 21/005: for several lighting devices in an end-to-end arrangement, i.e. light tracks
- F21V 23/006: {the substrate being distinct from the light source holder}
- F21V 23/009: {the casing being inside the housing of the lighting device}
- F21V 23/02: the elements being transformers, impedances {or power supply units, e.g. a transformer with a rectifier}
- F21V 23/06: the elements being coupling devices {, e.g. connectors}
- F21V 29/70: characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V 29/89: Metals
- F21K 9/20: Light sources comprising attachment means
- F21K 9/27: Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
- F21V 7/10: Construction
- F21Y 2103/10: comprising a linear array of point-like light-generating elements
- F21Y 2105/16: square or rectangular, e.g. for light panels
- F21Y 2113/00: Combination of light sources
- F21Y 2115/10: Light-emitting diodes [LED]
- H05B 45/10: Controlling the intensity of the light
- H05B 45/52: in a parallel array of LEDs
- H05B 45/56: involving measures to prevent abnormal temperature of the LEDs
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- 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
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL

## Abstract

An elongate tubular lighting assembly having a body with a length between spaced first and second ends. The tubular lighting assembly has a source of illumination and first and second connectors respectively at the first and second body ends. The first connector has cooperating first and second parts having first and second surfaces. The first and second connector parts are configured so that the first and second surfaces are placed in confronting relationship to prevent separation of the first and second connector parts with the body in an operative state as an incident of the first connector part moving relative to the second connector part from a position fully separated from the second connector part in a substantially straight path that is transverse to the length of the body into an engaged position.

## Claims

### Claim 1

A method of equipping a lighting fixture with a source of LED illumination, the lighting fixture having an outer housing and a lamp mounting region comprising a support integral with or attached to the outer housing, the method comprising:
providing a linear LED lamp, the linear LED lamp comprising:
an elongate body extending between first and second lamp ends;
a source of illumination comprising at least one LED emitter panel;
a first end cap assembly at the first end of the body, the first end cap assembly comprising a housing having a sidewall extending in a direction generally parallel to the length of the body and an end wall extending transverse to the length of the body, the sidewall defining an opening bounded by an edge;
first and second conductive electrical components disposed within the housing, at least one of the conductive electrical components adapted to provide power to the lamp, the conductive electrical components each having an elongated engagement portion extending transverse to the length of the body and towards the opening without extending through the opening;
a second end cap assembly at the second end of the body, the second end cap assembly comprising a housing having a sidewall extending in a direction generally parallel to the length of the body and an end wall extending transverse to the length of the body, the sidewall defining an opening bounded by an edge;
providing first and second support connectors for the linear LED lamp, each support connector comprising:
a first portion including an integral mounting base configured to couple the support connector to the support;
a second portion extending from the first portion, the second portion having a reduced outer profile relative to the first portion forming a shoulder at the juncture of the first portion and the second portion, the second portion configured to be insertable through the sidewall opening of a respective one of the first and second end cap assembly housings as an incident of the linear LED lamp moving relative to the support connector from a position fully separated from the support connector in a path that is transverse to the length of the body into an engaged position, the shoulder preventing the first portion from being insertable through the opening;
the second portion having generally parallel first and second sides, a first retractable part associated with the first side and a second retractable part associated with the second side, the first and second retractable parts having second surfaces configured to engage corresponding first surfaces of the corresponding end cap assembly, the first surfaces defined by an inner surface of the sidewall of the end cap assembly housing adjacent opposite ends of the opening;
the retractable parts configured so that the second surfaces can be placed into confronting relationship with the first surfaces to couple the support connector to the corresponding end cap assembly with the second portion of the support connector residing within the end cap assembly in the engaged position; and
the first support connector having spaced third and fourth conductive electrical components at least partially disposed within the second portion thereof, the third and fourth conductive electrical components held within the second portion in general alignment with a corresponding one of first and second openings defined in a leading end wall of the second portion, at least one of the conductive electrical components adapted to provide power to the lamp;
the third and fourth conductive electrical components each configured to be electrically connected to the engagement portion of a respective one of the first and second conductive electrical components of the first end cap assembly inserted through a respective one of the first and second openings as the first end cap assembly is moved relative to the first support connector towards the engaged position;
coupling the mounting base of the first support connector to the support;
coupling the mounting base of the second support connector to the support; and
moving the linear LED lamp relative to the first and second support connectors from a position fully separated from the first and second support connectors in a path that is transverse to the length of the body into the engaged position.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the second end cap assembly of the linear LED lamp is not adapted to receive power from an external power supply.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the first and second conductive electrical components of the linear LED lamp comprise generally L-shaped pins each having a first portion extending in a direction generally parallel to the length of the body and a second portion comprising the engagement portion.

### Claim 4 (depends on 3)

The method according to claim 3, wherein the first end cap assembly of the linear LED lamp further comprises a planar support extending transverse to the length of the body, and the generally L-shaped pins are mounted on the planar support.

### Claim 5 (depends on 4)

The method according to claim 4, wherein the engagement portions of the generally L-shaped pins are configured so that they can be aligned with the corresponding first and second openings of the leading end wall of the second portion of the corresponding first support connector when the first end cap assembly is moved relative to the first support connector towards the engaged position.

### Claim 6 (depends on 5)

The method according to claim 5, wherein the edge of the opening in the sidewall of the first end cap assembly is configured to cooperate with the second portion of the first support connector to consistently align the second portion so that the engagement portions of the generally L-shaped pins are aligned with the respective first and second openings.

### Claim 7 (depends on 1)

The method according to claim 1, wherein each LED emitter panel of the linear LED lamp comprise DC powered LED emitters, and the linear LED lamp further comprises a driver module comprising a least one alternating current (AC) to direct current (DC) driver circuit for driving the LED emitters with DC power.

### Claim 8 (depends on 7)

The method according to claim 7, wherein each LED emitter panel of the linear LED lamp comprises first and second groups of LED emitters, the driver circuit comprises multiple parallel driver subcircuits for independently driving each group of LED emitters at a controlled current level.

### Claim 9 (depends on 7)

The method according to claim 7, wherein the linear LED lamp comprises a connector end board comprising a driver connector, the connector end board has conductive pathways electrically connecting the first and second conductive electrical components to the driver connector.

### Claim 10 (depends on 9)

The method according to claim 9, wherein the driver circuit comprises an input connector for receiving AC current from the driver connector and an output connector for returning DC current to the driver connector, the connector end board electrically connected to each LED emitter panel and distributing said DC current to each LED emitter panel.

### Claim 11 (depends on 10)

The method according to claim 10, wherein the connector end board comprises at least one LED emitter panel connector and each LED emitter panel comprises a corresponding connector for electrically connecting the connector end board to the respective LED emitter panel.

### Claim 12 (depends on 11)

The method according to claim 11, wherein the linear LED lamp further comprises a multi-sided heat sink comprising at least first, second and third sidewalls defining a hollow interior region; the first and second sidewalls comprising generally planar mounting portions lying in intersecting planes; an outer surface of the third sidewall forming an outer surface of the body; and first and second LED emitter panels secured to the mounting portions of the first and second sidewalls respectively.

### Claim 13 (depends on 12)

The method according to claim 12, wherein the LED emitter panels comprise DC powered LED emitters, and the linear LED lamp further comprises a driver module comprising a least one alternating current (AC) to direct current (DC) driver circuit for driving the LED emitters with DC power.

### Claim 14 (depends on 13)

The method according to claim 13, wherein the driver circuit controls the current level provided to the LED emitters below the specified design current of the LED emitters for providing more efficient conversion of electrical power to light output.

### Claim 15 (depends on 12)

The method according to claim 12, wherein the driver module is mounted internal to the sidewalls of the multiple sided heat sink.

### Claim 16 (depends on 11)

The method according to claim 11, wherein each support connecter further comprises at least one actuator, the at least one actuator configured so that with the second portion of the support connector residing within the housing of a corresponding one of the end cap assemblies in the engaged position, the at least one actuator can be deployed to thereby reposition the at least one second surface out of the confronting relationship with the at least one first surface of the corresponding end cap assembly to allow the end cap assembly to be separated from the support connector.

### Claim 17 (depends on 11)

The method according to claim 11, wherein the sidewall of each end cap assembly housing has a third surface of its outer side, and there is a fourth surface on the shoulder of the corresponding support connector, the sidewall residing captively between the second and fourth surfaces with the end cap assembly in the engaged position.

### Claim 18 (depends on 17)

The method according to claim 17, wherein the third surface is a convexly curved surface and the fourth surface has a concave curved profile that generally corresponds to the curvature of the third surface.

### Claim 19 (depends on 17)

The method according to claim 17, wherein the third surface is a generally planar surface and the fourth surface has a corresponding generally planar profile.

### Claim 20 (depends on 1)

The method according to claim 1, wherein each support connector is configured to be press connected to the support of the outer housing.

### Claim 21 (depends on 1)

The method according to claim 1, further comprising a light transmissive lens attached to the outer housing and positioned adjacent the linear LED lamp for reflecting, diffusing and/or focusing light emitted from the linear LED lamp.