TWI761618B - Lighting system and methods for generating one of a predefined plurality of light patterns - Google Patents

Abstract

Described herein is source sensitive optic that uses reconfigurable chip-on-board (CoB) light emitting diode (LED) arrays as light sources. In an implementation, the reconfigurable CoB LED array includes a predetermined number of LEDs that are configurable for a variety of illumination scenarios. In an implementation, the reconfigurable CoB LED array is multiple CoB LED arrays that are configured for use with the source sensitive optic as described herein. The source sensitive optic includes surface shapes that are responsive to the reconfigurable CoB LED array. The source sensitive optic is configured to provide beam profile and radiation pattern differentiation based on a CoB LED array configuration configured from the reconfigurable CoB LED. Each configurable CoB LED array configuration radiates a different beam pattern via the surface shapes due to proximity and surface shape geometries.

Description

Illumination system and method for generating one of a predetermined plurality of light patterns

This application relates to chip-based direct packaging of light emitting diode lighting.

Semiconductor light sources such as light emitting diodes (LEDs) provide efficient and robust full spectrum illumination sources. LED based luminaires or lamps are used for interior and exterior applications such as, for example, street lighting. In particular, chip-on-chip (CoB) LED arrays combine narrow beam light generation to provide high brightness to provide tight focus/low geometric spread of illumination. CoB LED arrays generally refer to one or more semiconductor chips (or "dies") in which one or more LED junctions are fabricated, and in which the chips are directly mounted (eg, adhered) to a printed circuit board (PCB). The die is then wire bonded to the PCB, after which the die and wire connections can be covered with a drop of epoxy or plastic. One or more of these LED assemblies or LED packages in turn can be mounted to a common mounting board or substrate of a lighting fixture.

Optical elements or structures are used in conjunction with the CoB LED array to facilitate focusing of the generated light to form a narrow beam of collimated or pseudo-collimated light. For example, such optical elements may include lenses or collimator lenses (collectively "lenses"). These structures capture and redirect light emitted by a light source (eg, a CoB LED array) to improve its directivity.

Traditional street lighting based on CoB LED arrays uses free-form optics (as shown in Figure 1 ) acts as an optical element or lens to disperse light onto the road in a specific pattern. Freeform optics depend on the street or road type (high-speed, urban, sidewalk, etc.) and applicable regional standards. Typically, CoB LED arrays have a very simple brightness distribution (square, rectangle or circle), and free-form optics are used to convert the CoB LED array brightness distribution to the specific distribution required by the street. The size of the free-form optics varies with the size of the light source. The larger the light source size, the larger the freeform optic size. For street lighting based on CoB LED arrays, these free-form optics become large and expensive. If the number of streetlight patterns is large, the number of free-form optic types can become quite large for a luminaire supplier. Maintaining inventory and tracking large complex freeform optics is a market barrier for CoB LED array based street lighting that should provide a low cost solution in the market.

Described herein is the use of a reconfigurable die-on-chip (CoB) light emitting diode (LED) array as one of the source sensitive optics for the light source. In one embodiment, the reconfigurable CoB LED array includes a predetermined number of LEDs that can be configured for various lighting scenarios. In one implementation, the reconfigurable CoB LED array is a plurality of CoB LED arrays configured for use with the source-sensitive optics as described herein. The source-sensitive optics include surface shapes responsive to the reconfigurable CoB LED array. The source sensitive optics are configured to provide beam profile and radiation pattern differentiation based on a CoB LED array configuration from one of the reconfigurable CoB LED configurations. Due to proximity and surface shape geometry, each configurable CoB LED array configuration radiates a different beam pattern through the surface shapes.

200: Lighting System

205: Lamps

210: Reconfigurable Chip Direct Packaging of Light Emitting Diode Arrays

215: Source Sensitive Optics

220: Controller

225: User Interface

230: Vendor Interface

300: Reconfigurable Chip Directly Encapsulated Light Emitting Diode Arrays

400: Type I light source

405: Source Sensitive Optics

500: Type II light source

600: Type III light source

700: Lighting fixtures/lamps

705: Source Sensitive Optics

710: Chip Direct Package Light Emitting Diode Arrays

715: Mounting Plate

1305: Steps

1310: Steps

1315: Steps

1320: Steps

1325: Steps

A more detailed understanding can be obtained from the following description, given by way of example, in conjunction with the accompanying drawings, wherein: Figure 1 is an illustration of a free form for conventional light emitting diode lighting; Figure 2 is an illustrative lighting system according to certain embodiments; Figure 3 is provided in accordance with certain embodiments as shown in Figure 7 An illustrative CoB LED array with Type I, Type II, and Type III light source configurations used in a source sensitive optic shown; FIG. 4 is a diagram of a Type I light source in a source sensitive optic according to certain implementations An illustrative wireframe diagram; FIG. 5 is an illustrative wireframe diagram of one of a Type II light source in a source sensitive optic according to certain embodiments; FIG. 6 is an illustrative wireframe diagram in a source sensitive optic according to certain embodiments An illustrative wireframe diagram of a Type III light source; FIG. 7 is an illustrative source-sensitive optics according to certain embodiments; FIG. 8 is one of source-sensitive optics for the light source of FIG. 3 according to certain embodiments Illustrative cross-sections; FIG. 9 is another illustrative cross-section of the source-sensitive optic of FIG. 4, according to certain embodiments; FIGS. 10A-10C are for Type I, Type II, and Type III illumination, according to certain embodiments Beam profiles of the source; Figures 11A-11C are luminous flux characteristics for Type I, Type II, and Type III illumination sources according to certain embodiments; Figures 12A-12C are according to certain embodiments for Type I, Luminous intensity plots for Type II and Type III illumination sources; and FIG. 13 is a flow for making a lighting fixture, according to certain implementations picture.

It should be understood that the figures and descriptions for the use of light emitting diode (LED) arrays with reconfigurable chip-on-chip (CoB) light emitting diodes (LEDs) as a source of light source sensitive optics have been simplified to illustrate elements relevant for a clear understanding, while Numerous other elements found in typical lighting systems and devices are eliminated (for clarity). Those skilled in the art will recognize that other elements and/or steps are desired and/or required to implement the present invention. However, a discussion of one of these elements and steps is not provided herein because they are well known in the art, and because they do not facilitate a better understanding of one of the present invention.

The use of a reconfigurable CoB LED array as one of the light sources source-sensitive optics is described herein. In general, for a particular source-sensitive optics for a given lighting environment, an array of reconfigurable CoB LEDs is provided. A given lighting environment is meant to include a set of lighting characteristics, characteristics or parameters that can be satisfied by the combination of specific source-sensitive optics and a reconfigurable CoB LED array. 10A-10C, 11A-11C, and 12A-12C provide illustrative lighting characteristics, characteristics or parameters. The source sensitive optics are designed to utilize reconfigurable CoB LED arrays and the optics may be implemented using, but not limited to, freeform, refractive, frenel and/or reflective type optics or combinations thereof. The source-sensitive optics include surface shapes responsive to the reconfigurable CoB LED array.

The reconfigurable CoB LED array includes a predetermined number of LEDs that can be configured for various lighting scenarios. The source sensitive optics are configured to provide beam profile and radiation pattern differentiation based on a CoB LED array configuration based on a self-reconfigurable CoB LED configuration. Due to proximity and surface shape geometry, each configurable CoB LED array configuration radiates a different beam pattern through the surface shape. In this implementation, the reconfigurable CoB LED array has individually addressable LEDs and/or semiconductor chips.

In another implementation, a reconfigurable CoB LED array may include or refer to a plurality of non-configurable CoB LED arrays configured for use with source-sensitive optics as set forth herein. That is, a reconfigurable CoB LED array can include multiple individual CoB products with a particular LED configuration or configuration. In this implementation, the source sensitive optics are configured to provide beam profile and radiation pattern differentiation based on a set of non-configurable CoB LED arrays. As an illustrative example, specific LED configurations may include, but are not limited to, the Type I, Type II, and Type III light sources described herein. The source sensitive optics are then configured to provide beam profile and radiation pattern differentiation, as set forth herein. In this implementation, each particular LED configuration can be a different product.

FIG. 2 is an illustrative lighting system 200 according to one of certain embodiments. Lighting system 200 includes a light fixture 205 that includes a reconfigurable CoB LED array 210 configured with a source-sensitive optics 215 . Reconfigurable CoB LED array 210 is in communication with or is connected to (collectively "connected to") a controller 220, which in turn is connected to a user interface 225 or vendor interface 230 for configuration Reconfigurable CoB LED array 210. The shape and configuration of the reconfigurable CoB LED array 210 and source sensitive optics 215 are illustrative and depend on a given lighting environment as set forth herein below.

In operation, a user or supplier selects source sensitive optics 215 and a reconfigurable CoB LED array 210 for the indicated lighting environment. In one embodiment, the user and the supplier may then use user interface 225 or supplier interface 230, respectively, to select configuration information and provide it to controller 220, which in turn configures the reconfigurable CoB LED array 210 to The requested lighting for the indicated lighting environment is provided, as set forth herein below.

Reconfigurable CoB LED array 210 should be understood to include any electroluminescent diode or other type of carrier injection/junction based system capable of generating radiation in response to an electrical signal system. Reconfigurable CoB LED arrays 210 include, but are not limited to, semiconductor-based structures that emit light in response to electrical current, light emitting polymers, organic light emitting diodes (OLEDs), electroluminescent strips, and the like. The reconfigurable CoB LED array 210 may include multiple dies or chips (collectively "chips") that may be connected in parallel or in series. Chips can be addressed or controlled in groups or individually. For example, the chips can be configured to emit separately: different radiation spectra, different color temperatures, different colors, or different intensities. In general, different wafers can be configured for different illumination characteristics, features or parameters.

The reconfigurable CoB LED array 210 can be configured in various shapes including, but not limited to, rectangles, stars, and circles. As described herein below with respect to FIG. 3, a given shape of the reconfigurable CoB LED array 210 can be controlled or configured with different sub-shapes to provide different illumination and/or radiation patterns. That is, different chips can be configured to be on or off.

The reconfigurable CoB LED array 210 can be configured to generate radiation in a broad spectrum, including the infrared, ultraviolet, visible, and other regions of the overall electromagnetic spectrum. The reconfigurable CoB LED array 210 can be configured and/or controlled to generate radiation of various bandwidths (eg, narrow bandwidth, wide bandwidth) with a given spectrum. The reconfigurable CoB LED array 210 can be configured to produce radiation in various colors with varying color temperatures. Although color and spectrum are used interchangeably, color generally refers to a property of radiation that is perceivable by an observer (although this use is not intended to limit the scope of this term). Thus, the term "different colors" implies multiple spectra with different wavelength components and/or bandwidths. It should also be understood that the term "color" may be used in conjunction with both white light and non-white light. Color temperature essentially refers to a specific color content or shade of white light (eg, reddish, bluish). However, the color temperature can also be used with reference to non-white light.

Source sensitive optics 215 are configured to provide beam profile and radiation pattern differentiation based on different surface shapes and the interaction of each surface shape with a given configuration for reconfigurable CoB LED array 210. The surface shape was obtained using the reconfigurable CoB LED array 210 Different LED configurations are optimized to meet different environments and lighting scenarios. In one embodiment, the source sensitive optics 215 are molded from polymethyl methacrylate (PMMA), polycarbonate, glass, or any other similar material.

Controller 220 may be used to describe various equipment related to the operation of reconfigurable CoB LED array 210 . Controller 220 may be implemented in several ways (eg, such as with dedicated hardware) to perform the various functions discussed herein. For example, controller 220 may be a processor employing one or more microprocessors that may be programmed using software (eg, microcode) to perform the various functions discussed herein. Controller 220 may be implemented with or without a processor, and may also function as dedicated hardware for performing certain functions and a processor for performing other functions (eg, one or more A programmed microprocessor and associated circuitry) are implemented in combination. Examples of controller components that may be employed in various embodiments of the present invention include, but are not limited to, conventional microprocessors, application specific integrated circuits (ASICs), and field programmable gate arrays (FPGAs).

In various implementations, a processor or controller may be associated with one or more storage media (generally referred to herein as "memory", eg, volatile and non-volatile computer memory such as RAM, PROM, EPROM and EEPROM, floppy disk, compact disk, CD, magnetic tape, etc.). In certain implementations, the storage medium can encode one or more programs that, when executed on one or more processors and/or controllers, perform at least one of the functions discussed herein certain functions. Various storage media can be fixed within a processor or controller or can be transportable so that one or more programs stored thereon can be loaded into a processor or controller to implement the processes discussed herein Various aspects of the present invention. The terms "program" or "computer program" are used herein in a generic sense to refer to any type of computer code (eg, software or microprograms) that can be employed to program one or more processors or controllers. code).

User interface 225 and/or vendor interface 230 may refer to an interface between a human user or operator and controller 220 to configure reconfigurable CoB LED array 210 . User interface 225 and/or vendor interface 230 may be, but are not limited to, switches, potentiometers, buttons, dials, sliders, a mouse, keyboard, keypad, various types of game controllers (eg, joysticks) ), trackballs, display screens, various types of graphical user interfaces (GUIs), touch screens, microphones, and other types of sensors that can receive some form of human-generated stimuli and generate a signal in response thereto.

Figure 3 is an illustrative reconfigurable CoB LED with Type I, Type II, and Type III light source configurations for use with a source sensitive optic such as, for example, source sensitive optic 705 of Figure 7 Array 300. In an example implementation, a Type I light source configuration may be a 3 x 5mm array emitting 2000 lumens (lm), a Type II light source configuration may be a 3 x 10mm array emitting 4000 lm, a Type III light source The configuration can be a 3 x 15.6mm array that transmits 6000 lm. The Type I light source configuration emits a narrow beam and each successively larger light source emits a wider beam. Characteristics of Type I, Type II, and Type III light source configurations in an example source-sensitive optic are shown and described below with respect to Figures 10A-10C, 11A-11C, and 12A-12C, respectively. In one implementation, as set forth herein, the reconfigurable CoB LED array 300 of FIG. 3 can be three non-configurable CoB LEDs, one for each of Type I, Type II, and Type III light source configurations.

In one implementation of the reconfigurable CoB LED array 300 of FIG. 3, a Type III light source configuration may be used as a base configuration, according to which other configurations, such as Type I and Type II configurations, may be implemented . As shown on the Type III configuration, there is an instance X, Y and Z designation on the Type III configuration. Type I and Type II configurations are configured relative to the X, Y and Z axis indications. In one implementation, each configuration center is on the x-axis and a different die set in the CoB LED array 300 can be reconfigured Configured along the Y axis. In one implementation, each configuration center is on the X-axis and the chips in the reconfigurable CoB LED array 300 are configured along the Z-axis. In one implementation, each configuration center is on the X axis and the chips in the reconfigurable CoB LED array 300 are configured along the Y and Z axes. The shape of the reconfigurable CoB LED array 300 is illustrative and other shapes may be used as described herein. Different configurations may provide different lighting characteristics, characteristics or parameters as set forth herein.

Types I, II, and III related configurations are illustrated with respect to FIGS. 4-6 . FIG. 4 is an illustrative wireframe diagram of an I-type light source 400 in a source sensitive optics 405 . FIG. 5 is an illustrative wire diagram of one of the Type II light sources 500 in the source sensitive optics 405 . FIG. 6 is an illustrative wireframe diagram of a Type III light source 600 in source sensitive optics 405 . In one implementation, Type I light source 400 and Type II light source 500 are subsets of Type III light source 600 along the Y axis. In general, each of Type I, Type II, and Type III related configurations can be used with source sensitive optics 405 .

7 is an illustrative lighting fixture 700 that includes a source-sensitive optics 705 and a CoB LED array 710 mounted on a mounting plate 715. In one embodiment, the source sensitive optics 705 are mounted after the CoB LED array 710 is mounted on the mounting plate 715 . Source sensitive optics 705 are configured to provide different beam profiles and radiation patterns based on different shapes and configurations of CoB LED array 710 . A controller, such as, for example, controller 220 may be used to configure CoB LED array 710 as appropriate. In one implementation, if the CoB LED array 710 includes multiple non-configurable CoB LED arrays as set forth herein, then a controller is not required. FIG. 8 is an illustrative cross-section of light fixture 700 taken along the X-Z axis. FIG. 9 is an illustrative cross-section of light fixture 700 taken along the Y-Z axis.

10A-10C illustrate beam patterns for Type I, Type II, and Type III illumination source configurations, according to certain implementations. As illustrated, the Type I illumination source has a center at 20 A narrow beam profile at degrees (along 90° H, which means along the width of the road), and Type II and Type III illumination sources have wider beam profiles. 11A-11C illustrate illumination and luminance profiles on an example roadway configuration for Type I, Type II, and Type III illumination source configurations, according to certain implementations. 12A-12C illustrate plots of luminous intensity for Type I, Type II, and Type III illumination source configurations, according to certain implementations. Figures 12A-12C demonstrate that when the shape of the CoB is changed, the maximum intensities of the three distributions (the maximum Cd points) are changing and the 50% maximum Cd points (see isoplots) are gradually broadened, (as shown in the Figures 12A-12C). marked, conspicuously along the marked street side). When using, for example, Type I to Type III light source configurations, respectively, the beam profile gradually widens from Figures 12A to 12C.

13 is a flow diagram 1300 for making a lighting fixture according to certain embodiments. A reconfigurable CoB LED array (1305) is fabricated from a plurality of LEDs in a predetermined shape and size. A source sensitive optic (1310) is fabricated by first changing surface shapes in response to different CoB LED array configurations of the reconfigurable CoB LED array. In one implementation, the reconfigurable CoB LED array is a plurality of non-configurable CoB LED arrays and the source sensitive optics are fabricated by changing the plurality of surface shapes in response to each non-configurable CoB LED array configuration. The plurality of surface shapes are optimized with respect to a predetermined set of illumination thresholds (1315). Predetermined illumination thresholds may include, but are not limited to, beam profile, radiation pattern, luminous flux, luminous intensity, color, and beam width. Source sensitive optics (1320) are formed from optimized surface shapes. A reconfigurable CoB LED array configuration is coupled to source sensitive optics to form a light fixture (1325).

The embodiments described herein may be incorporated into any suitable light emitting device. Embodiments of the invention are not limited to the particular structures illustrated, such as, for example, the systems and devices of FIGS. 2-9.

The non-limiting methods described herein for using source-sensitive optics with reconfigurable CoB LED arrays as light sources can be modified for various applications and uses while still maintaining within the spirit and scope of the scope of the patent application. The implementations and variations described herein and/or shown in the drawings are presented by way of example only, and are not limiting in scope and spirit. The description herein is applicable to all implementations using source-sensitive optics with a reconfigurable CoB LED array as one of the light sources, although it may be described with respect to a particular implementation.

In general, a lighting fixture includes a reconfigurable chip-on-chip (CoB) light emitting diode (LED) array and a source-sensitive optic including a plurality of surface shapes combined with a self-reconfigurable CoB LED array The different CoB LED array configurations obtained provide different beam profiles and radiation patterns based on the plurality of surface shapes. In one implementation, the reconfigurable CoB LED array includes a plurality of LEDs that can be individually addressed and selected by a controller. In one embodiment, the reconfigurable CoB LED array includes a basic CoB LED array configuration. In one implementation, the source sensitive optic is at least one of a freeform, refractive, frenel, and reflective type of optic. In one embodiment, the source sensitive optics are molded from at least one of polymethyl methacrylate (PMMA), polycarbonate, and glass. In one embodiment, at least one of the plurality of surface shapes has a different surface shape. In one implementation, at least one of the plurality of surface shapes has a different geometric relationship with at least one of the reconfigurable CoB LED arrays. In one implementation, the reconfigurable CoB LED array includes a plurality of non-configurable CoB LED arrays. In one implementation, each of the different CoB LED array configurations is a non-configurable CoB LED array. In one implementation, the different beam profiles and radiation patterns vary depending on at least one of luminous flux, luminous intensity, color, and beam width.

In general, a method for fabricating a lighting fixture includes providing a reconfigurable chip-on-chip (CoB) light emitting diode (LED) array and providing a source sensitive optic comprising a plurality of surface shapes, the source sensitive optic Combining different CoB LED array configurations available from reconfigurable CoB LED arrays provides different beam profiles and radiation based on multiple surface shapes pattern. The method further includes coupling the reconfigurable CoB LED array with the source sensitive optics to form a light fixture. In one implementation, providing source-sensitive optics further includes changing the plurality of surface shapes in response to different CoB LED array configurations, optimizing the plurality of surface shapes with respect to and from the plurality of surface shapes with respect to a predetermined set of illumination thresholds Source sensitive optics are formed. In one implementation, providing a reconfigurable CoB LED array includes forming a reconfigurable CoB LED array from a plurality of LEDs that can be individually addressed and selected. In one embodiment, the reconfigurable CoB LED array includes a basic CoB LED array configuration. In one implementation, the reconfigurable CoB LED array includes a plurality of non-configurable CoB LED arrays. In one implementation, each of the different CoB LED array configurations is a non-configurable CoB LED array. In one implementation, providing a source-sensitive optic includes implementing the source-sensitive optic using at least one of a freeform, refractive, frenel, and reflective type of optic. In one embodiment, providing a source-sensitive optic includes molding the source-sensitive optic from at least one of polymethyl methacrylate (PMMA), plastic, polycarbonate, and glass. In one embodiment, at least one of the plurality of surface shapes has a different surface shape. In one implementation, at least one of the plurality of surface shapes has a different geometric relationship with at least one LED in the reconfigurable CoB LED array.

As set forth herein, the methods set forth herein are not limited to any one (any) specific element performing any (any) specific function and certain steps of the presented methods do not necessarily need to occur in the order shown. For example, in some cases, two or more method steps may occur in a different order or simultaneously. Furthermore, certain steps of the described methods may also be optional (even if not explicitly stated to be optional) and thus may be omitted. These and other variations of the methods disclosed herein will be apparent, especially in view of the description of source-sensitive optics using (as set forth herein) having a reconfigurable CoB LED array as a light source, and considered within the scope of the present invention within its entire scope.

Certain features of certain embodiments may be omitted or implemented in conjunction with other embodiments. The device elements and method elements set forth herein are interchangeable and used in or omitted from any of the examples or implementations set forth herein.

Although features and elements are described above in particular combinations, each feature or element can be used alone without the other features and elements or in various combinations with or without the other features and elements.

200: Lighting System

205: Lamps

210: Reconfigurable Chip Direct Packaging of Light Emitting Diode Arrays

215: Source Sensitive Optics

220: Controller

225: User Interface

230: Vendor Interface

Claims (20)

A lighting system comprising: a controller configured to receive a selection of a first light pattern of a predetermined plurality of light patterns; an array of light emitting diodes (LEDs) coupled to the controller , the LEDs in the array are grouped into a predetermined plurality of subsets corresponding to one of the predetermined plurality of light patterns, and in response to the selection of the first light pattern, the controller is further configured to the predetermined plurality of light patterns A first subset of a subset of the LEDs is powered; and a lens configured to redirect light emitted from the first subset of the LEDs to form the first light pattern. The lighting system of claim 1, wherein the controller is coupled to the array of LEDs such that each LED in the array is individually addressable by the controller. The lighting system of claim 1, wherein the controller is coupled to the array of the LEDs such that each subset of the LEDs in the array is addressable by the controller, each of the LEDs in the array A subset contains multiple LEDs. The lighting system of claim 1, wherein at least one of the predetermined plurality of subsets of the LEDs is a subset of at least one other of the predetermined plurality of subsets of the LEDs. The lighting system of claim 4, wherein: the predetermined plurality of subsets comprise a first rectangular subset of the LEDs and a second rectangular subset of the LEDs; the first rectangular subset of the LEDs is located at in a first rectangular area of the array; the second rectangular subset of the LEDs in a second rectangular area of the array; and the second rectangular area in the first rectangular area. The lighting system of claim 1, wherein one of the predetermined plurality of light patterns comprises an I-type distribution in which the one of the predetermined plurality of light patterns extends and has a position in the predetermined plurality of light patterns A peak of a center of symmetry of the one of the light patterns. The lighting system of claim 1, wherein one of the predetermined plurality of light patterns comprises a type II distribution in which the one of the predetermined plurality of light patterns extends and has the same One of the centers is positioned asymmetrically away from a peak. The lighting system of claim 1, wherein one of the predetermined plurality of light patterns comprises a Type III distribution in which the one of the predetermined plurality of light patterns extends and has the same One of the centers is positioned asymmetrically away from a peak, and an elongation of the Type III distribution is less than an elongation of a Type II distribution. The illumination system of claim 1, wherein the lens comprises a category selected from a group of categories including freeform, refractive, Fresnel, and reflective. The lighting system of claim 1, wherein the lens is molded from at least one material selected from a group of materials, the group comprising polymethyl methacrylate, polycarbonate, and glass. The lighting system of claim 1, wherein at least two of the predetermined plurality of light patterns differ by at least one quantity selected from a group comprising luminous flux, luminous intensity, color and beam width. The lighting system of claim 1, further comprising an interface configured to provide the selection to the controller. A method for generating one of a predetermined plurality of light patterns, the method comprising: receiving a selection of a first light pattern of the predetermined plurality of light patterns with a controller; pairing an array of LEDs with the controller A first subset of the light emitting diodes (LEDs) in the array are grouped into a predetermined plurality of subsets corresponding to the predetermined plurality of light patterns, the first subset of the LEDs a set corresponding to the first light pattern; and redirecting light emitted from the first subset of the LEDs with a lens coupled to the array of the LEDs to form the first light pattern. The method of claim 13, wherein the controller is coupled to the array of LEDs such that each LED in the array is individually addressable by the controller. The method of claim 13, wherein the controller is coupled to the array of LEDs such that Each subset of the LEDs in the array can be addressed by the controller, each subset of the LEDs in the array comprising a plurality of LEDs. The method of claim 13, wherein at least one of the predetermined plurality of subsets of the LEDs is a subset of at least one other of the predetermined plurality of subsets of the LEDs. The method of claim 13, wherein one of the predetermined plurality of light patterns comprises an I-type distribution in which the one of the predetermined plurality of light patterns extends and has a position located between the predetermined plurality of light patterns One of the symmetrical centers of one of the peaks. The method of claim 13, wherein one of the predetermined plurality of light patterns comprises a Type II distribution in which the one of the predetermined plurality of light patterns extends and has a difference from the predetermined plurality of light patterns One of the centers is positioned asymmetrically away from a peak. The method of claim 13, wherein one of the predetermined plurality of light patterns comprises a Type III distribution in which the one of the predetermined plurality of light patterns extends and has a difference from the predetermined plurality of light patterns One of the one is centered asymmetrically away from a peak, and one of the Type III distributions is less elongated than one of the Type II distributions. A lighting system comprising: a controller configured to receive a selection of a selected one of a predetermined plurality of light patterns; a first light pattern of the predetermined plurality of light patterns comprising an I-type distribution , in the type I distribution wherein the first light pattern extends and has a peak located at a center of symmetry of the first light pattern, and includes a second light pattern of the predetermined plurality of light patterns of a type II distribution, in which the first light pattern is distributed. Two light patterns extending and having a peak located asymmetrically away from a center of the second light pattern, including a third light pattern of the predetermined plurality of light patterns of a type III distribution in which the third light pattern Three light patterns extending with an extension less than the type II distribution and having a peak located asymmetrically away from a center of the third light pattern, the selected light pattern being the first light pattern, the second light pattern or one of the third light patterns; an array of light emitting diodes (LEDs) coupled to the controller, the LEDs in the array are grouped into a predetermined plurality corresponding to one of the predetermined plurality of light patterns a subset, in response to the selection of the selected light pattern, the controller is further configured to power a subset of the LEDs of the predetermined plurality of subsets; and a lens configured to redirect from the The light emitted by the powered subset of LEDs is equalized to form the selected light pattern.

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