# US 11,310,884 B2 · LED luminaire and engine systems

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- Number: US 11,310,884 B2
- Document ID: US11310884B2
- Status: Granted
- Kind: B2
- Application number: 16/555,519
- Filed: 2019-08-29
- Published: 2020-12-03
- Granted: 2022-04-19
- Earliest claimed: 2019-05-28
- Assignees: King Luminaire Co., Inc.
- Applicants: King Luminaire Company, Inc.
- Inventors: Michael R. Pearse
- Web page: https://patentgrep.com/patent/US11310884B2

## CPC

- F21K 9/65: specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
- F21V 19/004: {by deformation of parts or snap action mountings, e.g. using clips}
- F21K 9/20: Light sources comprising attachment means
- F21K 9/237: Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases (F21K9/238 takes precedence)
- F21K 9/238: Arrangement or mounting of circuit elements integrated in the light source
- F21V 19/04: with provision for changing light source, e.g. turret {(auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006)}
- F21V 23/009: {the casing being inside the housing of the lighting device}
- H05B 45/20: Controlling the colour of the light
- H05B 45/34: Voltage stabilisation; Maintaining constant voltage
- F21V 15/01: Housings, e.g. material or assembling of housing parts (F21V15/02 takes precedence {housings forming signs or letters G09F13/04})
- F21Y 2105/10: comprising a two-dimensional [2D] array of point-like light-generating elements
- F21Y 2115/10: Light-emitting diodes [LED]
- 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
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- 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

An LED luminaire includes an LED engine system that drives a plurality of interchangeable LED modules. The LED engine system may be arranged in a luminaire housing. The LED engine system includes a power plate assembly and a plurality of LED modules that are removable and interchangeable with respect to the power plate assembly. The LED engine system is customizable or modifiable to vary the light output therefrom, in that various types of LED modules may be utilizable therewith and one or more of the LED modules may be mounted to the power plate assembly at two or more orientations.

## Claims

### Claim 1

An LED engine system, comprising:
a power plate assembly having a plate, a frame secured on a front face of the plate, and a power distribution circuit arranged on a rear face of the plate, wherein the power distribution circuit is configured to distribute electricity to a plurality of mounting locations defined by the frame on the front face of the plate; and
one or more LED modules attach within the plurality of mounting locations, wherein the one or more LED modules are configured to be mounted within the mounting locations when oriented in at least two positions.

### Claim 2 (depends on 1)

The LED engine system of claim 1, further comprising a driver for supplying power to the power distribution circuit, wherein the driver is configured to maintain constant output voltage from the power distribution circuit regardless of how many of the one or more LED modules are mounted to the power plate assembly.

### Claim 3 (depends on 1)

The LED engine system of claim 1, wherein the power distribution circuit includes a plurality of parallel sub-circuits that each correspond with one of the mounting locations.

### Claim 4 (depends on 3)

The LED engine system of claim 3, wherein each of the plurality of parallel sub-circuits of the power distribution circuit are arranged on the rear face of the plate at locations associated with one of the mounting locations on the front face of the plate.

### Claim 5 (depends on 3)

The LED engine system of claim 3, further comprising a driver for supplying power to the power distribution circuit such that each of the plurality of parallel sub-circuits thereof maintains constant output voltage regardless of whether an associated one of the one or more LED modules has been removed from the mounting location corresponding with the parallel sub-circuit.

### Claim 6 (depends on 1)

The LED engine system of claim 1, wherein the power plate assembly further includes a plurality of electrical coupling pairs arranged within the plate and in communication with the power distribution circuit, wherein at least two of the electrical coupling pairs are provided within each of the mounting locations.

### Claim 7 (depends on 6)

The LED engine system of claim 6, the one or more LED modules each further comprising a pair of power pins configured to communicate with the electrical coupling pairs.

### Claim 8 (depends on 7)

The LED engine system of claim 7, wherein the pair of power pins of each of the one or more LED modules is arranged asymmetric relative to a perpendicular reference plane of the LED module, and wherein each mounting location includes a first pair of electrical couplings and a second pair of electrical couplings that are arranged symmetrical relative to a perpendicular reference plane of the mounting location.

### Claim 9 (depends on 1)

The LED engine system of claim 1, wherein the one or more LED modules are mounted within the mounting locations when oriented in a first position or when oriented in a second position, the first position being defined as a position of the LED module where a reference plane of the LED module that is perpendicular of the front face of the plate is parallel to a reference plane of the plate, and the second position being defined as a position of the LED module after the LED module has been rotated 180 degrees from the first position such that the reference plane of the LED module is parallel to the reference plane of the plate.

### Claim 10 (depends on 9)

The LED engine system of claim 9, wherein the one or more LED modules each include a pair of power pins arranged asymmetric relative to the reference plane of the LED module.

### Claim 11 (depends on 9)

The LED engine system of claim 9, wherein the power plate assembly further includes a plurality of electrical couplings arranged within the plate and in communication with the power distribution circuit, wherein at least two pairs of the electrical couplings are arranged within each of the mounting locations.

### Claim 12

An LED engine system, comprising:
a power plate assembly having a plate, a frame secured on a front face of the plate, and a power distribution circuit arranged on a rear face of the plate, wherein the power distribution circuit is configured to distribute electricity in parallel to a plurality of mounting locations defined by the frame on the front face of the plate;
a driver for supplying power to the power distribution circuit; and
one or more LED modules attach within the plurality of mounting locations, wherein the one or more LED modules are configured to be mounted within the mounting locations when oriented in at least two positions.

### Claim 13 (depends on 12)

The LED engine system of claim 12, wherein the power distribution circuit includes a plurality of parallel sub-circuits that each correspond with one of the mounting locations.

### Claim 14 (depends on 13)

The LED engine system of claim 13, wherein each of the plurality of parallel sub-circuits of the power distribution circuit are arranged on the rear face of the plate at locations associated with one of the mounting locations on the front face of the plate.

### Claim 15 (depends on 13)

The LED engine system of claim 13, wherein the driver is a constant voltage driver configured to maintain constant output voltage of each of the plurality of parallel sub-circuits of the power distribution circuit regardless of whether the plurality of parallel sub-circuits of the power distribution are loaded.

### Claim 16 (depends on 12)

The LED engine system of claim 12, wherein the power plate assembly further includes a plurality of electrical coupling pairs arranged within the plate and in communication with the power distribution circuit, wherein at least two of the electrical coupling pairs are provided within each of the mounting locations.

### Claim 17 (depends on 16)

The LED engine system of claim 16, the one or more LED modules each further comprising a pair of power pins configured to communicate with the electrical coupling pairs.

### Claim 18 (depends on 17)

The LED engine system of claim 17, wherein the pair of power pins of each of the one or more LED modules is arranged asymmetric relative to a perpendicular reference plane of the LED module, and wherein each mounting location includes a first pair of electrical couplings and a second pair of electrical couplings that are arranged symmetrical relative to a perpendicular reference plane of the mounting location.

### Claim 19

An LED engine system, comprising:
a power plate assembly having a plate, a power distribution circuit arranged on a rear face of the plate and having a plurality of parallel circuits, a plurality of electrical coupling pairs arranged within the plate and in communication with the power distribution circuit, and a frame secured on a front face of the plate and defining a plurality of mounting locations, wherein at least two of the electrical coupling pairs are associated with each of the mounting locations and the power distribution circuit is configured to distribute electricity to the at least two electrical coupling pairs of each mounting location in parallel;
a constant voltage driver for supplying power to the power distribution circuit; and
one or more LED modules attach within the plurality of mounting locations, wherein each of the LED modules includes a pair of asymmetrical power pins configured to mate with the electrical coupling pairs when the LED module is oriented in one of at least two positions.

### Claim 20 (depends on 19)

The LED engine system of claim 19, wherein the pair of asymmetrical power pins of each of the one or more LED modules are off-set from a perpendicular reference plane of the LED module, and wherein each mounting location includes a first pair of electrical couplings and a second pair of electrical couplings that are arranged symmetrical relative to a perpendicular reference plane of the mounting location.
