Abstract: An organic light emitting diode display is provided. The organic light emitting diode display includes a flexible substrate, an organic light emitting diode disposed on the flexible substrate, a thin film encapsulator disposed on the organic light emitting diode, a plurality of low refraction protrusions disposed on at least one of a surface of the flexible substrate and the thin film encapsulator, wherein each of the low refraction protrusions is formed having an isosceles trapezoid shape, and a high refraction layer disposed covering the plurality of low refraction protrusions.

Abstract: A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident surface facing the light source, and a light emitting face opposite to the light incident face. The light emitted from the light source is entered into the optical lens from the light incident face, and exited from the light emitting face. A refractive index of the optical lens gradually decreases along a direction from the light incident face to the light emitting face of the optical lens.

Abstract: This invention relates to a lens module and a LED illumination device using the same. The lens module includes a plurality of lens units and a plate. Each of the lens units includes a lens body, a first engaging structure and a second engaging structure. The lens body has a light incident surface at a top thereof and a light exit surface at a bottom thereof. The first and second engaging structures are arranged at peripheral edges of the lens body. On the other hand, the plate defines a plurality of seats for accommodating the lens units.

Abstract: An elongated lens profile having reverse total internal reflection (TIR) features that improve light extraction when the lens is used in conjunction with a plurality of light emitters. Solid state light emitters, such as LEDs, are arranged proximate to the elongated lens along a longitudinal axis of the lens body. The emitters, which may be grouped in clusters, emit toward a receiving surface of the lens. The receiving surface includes a plurality of reverse TIR features, also disposed along the longitudinal axis. These features may be defined by a series of recessed areas spaced along the longitudinal axis to correspond with the light emitters which can protrude into the negative space created by the recessed features. The recessed features may have more than one shape. The reverse TIR features improve light output uniformity, reducing hot spots along the lens, and improve output efficiency.

Abstract: An optical element has a light receiving surface covering a light source arranged on a plane and an exit surface covering the light receiving surface. When an axis passing through the center of the light source and is perpendicular to the plane is designated as an optical axis and the point of intersection of the optical axis and the light receiving surface is designated as O1, the light receiving surface is concaved around the optical axis with respect to the periphery. When an angle which a normal to the light receiving surface on a point P thereon forms with the optical axis is designated as ?h and distance in the optical axis direction from O1 to P is designated as z, ?h has at least one local maximum value and at least one local minimum value with respect to z while P is moved along the light receiving surface.

Abstract: Certain example embodiments of this invention relate to heatable glass substrates that may be used in connection with lighting applications, and/or methods of making the same. In certain example embodiments, a glass substrate supports an antireflective (AR) coating on a first major surface thereof, and a conductive coating on a second, opposite major surface thereof. Bus bars connect the conductive coating to a power source in certain example embodiments. The substrate may be heat treated (e.g., heat strengthened and/or thermally tempered), with one or both coatings thereon. The heatable glass substrate thus may help provide a chemical and/or environmental barrier for the luminaire or lighting system disposed behind it. In addition, or in the alternative, the heatable glass substrate may help reduce the amount of moisture (e.g., snow, rain, ice, fog, etc.) that otherwise could accumulate on the luminaire or lighting system.

Abstract: Certain example implementations of the disclosed technology include a light emitting device. The light emitting device may include an enclosure with four sides and a top edge surface associated with each of the four sides. The enclosure may be capable of mounting on a grid frame of a suspended ceiling such that a portion of the top edge surfaces contacts a portion of the grid frame. The light emitting device may further include a light modifying element characterized by a substrate with four or more edges, a back surface disposed on the top edge surface of each of the four sides of the enclosure, and a front surface. In certain example embodiments the substrate may further comprise two or more edge trusses. A periphery of the light-emitting front surface may be capable of contacting the grid frame after the light emitting device is mounted to the grid frame.

Abstract: Described herein are devices, compositions, and methods for improving color discernment.

Abstract: In an auxiliary light source unit, when the longest length of a light emitting face of an LED light source is S (mm), the furthest distance from the light emitting face of the LED light source to the light exiting surface of an optical element is T (mm), the largest diameter of the light transmitting section is L1 (mm), and the largest diameter in first partial ring zones and second partial ring zones is L2 (mm), the following conditional expressions are satisfied, 1.5<L2/S<4.0??(1) S/3<T<25??(2) 0.1<L1·T/S<1.05??(3) provided that T=T1+T2, where T1 is a thickness (mm) from the light emitting face of the LED light source to the light entering surface of the optical element, and T2 is a thickness (mm), in the optical axis direction, of the optical element.

Abstract: A lens includes a bottom face, a light incident face defined in the bottom face, a top face and four lateral faces interconnecting the top face and the bottom face. Each lateral face is perpendicular to two adjacent lateral faces, and parallel to an opposite lateral face. An LED unit incorporating the lens is also disclosed.

Abstract: An exemplary lens for diffusing light from an LED to a diffusion plate of an LCD module, includes a light-refraction portion and a plurality of legs extending from the light-refraction portion. The light-refraction portion includes a light-incident face facing the LED and a light-emergent face opposite to the light-incident face and facing the diffusion plate. The light-incident face defines a plurality of dots therein. Each dot is a depression and has an inner face concaved from the light-incident face.

Abstract: Optical component for illumination purposes, wherein the optical component comprises a monolithic body of transparent material, the monolithic body including a first light entry face, a first optically operative light exit face, a second optically operative light entry, and a second optically operative light exit face.

Abstract: A display apparatus includes a light source, a display panel and an optical plate between the light source and the display panel. The optical plate includes a supporting sheet, a first, a second and a third optical layer. The first optical layer is disposed on a bottom surface of the supporting sheet and has a plurality of first protruding portions on a bottom surface of the first optical layer and has a first refractive index. The second optical layer is disposed on the bottom surface of the first optical layer and covers the first protruding portions. The second optical layer has a second refractive index larger than the first refractive index. The third optical layer is disposed on a top surface of the supporting sheet and has a plurality of second protruding portions on a top surface and has a third refractive index smaller than the second refractive index.

Abstract: In an illuminating device, when exiting lights come out from a lens sheet, the optical paths of the exiting lights are deflected in a direction opposite to an optical axis of a light source by means of a plurality of prisms which are included in a first lens group arranged on an inward side of the lens sheet located adjacent to the optical axis of the light source and each of which has a inclined face facing toward the optical axis of the light source, wherein the exiting lights from the light source via the first lens group of the lens sheet are adapted to mix with exiting lights from the light source via a second lens group located outside the first lens group, whereby the degree of color unevenness is reduced, that appears inherently when a pseudo white LED is used as the light source of the illuminating device.

Abstract: A lens member for projecting light from an LED in a square pattern includes a body formed of a light transmissive material. The body includes a base portion and a bulbous-shaped, light-directing lens portion extending upwardly from the base portion. A recess extending upwardly from a lower surface of the base portion and into the bulbous-shaped, light-directing lens portion continuously tapers from the base to a flat, circular surface below a top surface of the bulbous-shaped, light-directing lens portion. The lens portion has a horizontal cross-sectional shape that is substantially square at elevations between the base and the top surface of the lens portion.

Abstract: Light redirecting film is disclosed. The light redirecting film includes a first major surface that includes a plurality of first microstructures that extend along a first direction. The light redirecting film also includes a second major surface that is opposite to the first major surface and includes a plurality of second microstructures. The second major surface has an optical haze that is in a range from about 4% to about 20% and an optical clarity that is in a range from about 20% to about 60%. The light redirecting film has an average effective transmission that is not less than about 1.55.

Abstract: A beamshaping optical stack (108), a light source and a luminaire is provided. The beamshaping optical stack (108) is to be optically coupled to a light emitting surface of a light emitter. The beamshaping optical stack (108) comprises a first light transmitting layer (120) and a second light transmitting layer (118). The second light transmitting layer (118) comprises a first side (110) which is optically coupled to the first light transmitting layer (120) to receive light from the first light transmitting layer (120). The second light transmitting layer (118) further comprises a second side (106) which is substantially opposite the first side (110) to emit the received light into another optical medium. The second light transmitting layer (118) further comprises a geometrical structure (116) at the second side (106) to obtain a decreasing light emission with increasing light emission angles (9a) with respect to a normal (112) to the first side (110).

Abstract: A light extraction substrate which can realize a superior light extraction efficiency when applied to an organic light-emitting device, and an organic light-emitting device having the same. The light extraction substrate includes a base substrate and a matrix layer. One surface of the matrix layer adjoins to the base substrate, and the other surface of the matrix layer adjoins to an organic light-emitting diode. The light extraction substrate also includes a rod array disposed inside the matrix layer. The rod array includes at least one rod which is arranged in a direction normal to the one surface of the matrix layer. The rod array and a cathode of the organic light-emitting diode form an antenna structure which guides light generated from the organic light-emitting diode to be emitted in the normal direction.

Abstract: A light-influencing element for influencing the light emission of essentially point light sources having at least one lens which has a cavity defining a light entrance section of the lens, and a light exit surface opposite the light entrance section, a beam splitter being formed in the light entrance section of the lens.

Abstract: The present subject matter is directed to a system and method for producing a batwing light distribution. A lens is illuminated with a light source, preferably an LED, and the lens is configured to internally reflect a portion of the illuminating light back in a direction generally opposite to the initial illumination direction. Another portion of the light from the light source may pass through other lens surfaces but may also be reflected back past the light source with a reflector positioned on the other side of the lens from the light source. The light source may be mounted on a frame so as to obscure light therefrom from view.

Abstract: A lens optical element including an on-chip lens with a convex surface formed at a top part of a column-shaped portion; and a light emitting surface disposed in a state where the light emitting surface is covered by a bottom portion of the column-shaped portion of the on-chip lens. The relationship between a lens height, which is defined as a height from the light emitting surface to a peak of the convex surface, a thickness of the column-shaped portion, and a refractive index of a structural material of the on-chip lens is set so that when the light emitting surface emits light, a state is produced where the convex surface of the on-chip lens appears to have uniform brightness.

Abstract: A display module includes a light emitting element array and a lens array. The light emitting element array includes a plurality of light emitting elements arranged on a substrate and driven by driving signal to emit light. A lens array is configured to focus light emitted by the respective light emitting elements. The lens array includes a plurality of first lens pillars respectively provided on the light emitting elements, a plurality of second lens pillars respectively provided on the first lens pillars and having curved surfaces at tops thereof, and a plurality of lens portions formed so as to cover the first lens pillars and the second lens pillars, the lens portions having curved surfaces at tops thereof. A driving circuit is provided on the substrate.

Abstract: A laser-sustained plasma illuminator system includes at least one laser light source to provide light. At least one reflector focuses the light from the laser light source at a focal point of the reflector. An enclosure substantially filled with a gas is positioned at or near the focal point of the reflector. The light from the laser light source at least partially sustains a plasma contained in the enclosure. The enclosure has at least one wall with a thickness that is varied to compensate for optical aberrations in the system.

Abstract: A lens, which is integrally formed as a single piece, includes a base, a first light diffusion portion and a second light diffusion portion formed on the base. A receiving hole is defined in the second light diffusion portion. The first light diffusion portion is received in the receiving hole, and an inner surface of the receiving hole is spaced from a top surface and a periphery side surface of the first light diffusion portion. A recess is defined in the first light diffusion portion for receiving an LED therein. The first and second light diffusion portions have different light diffusion (refraction) capabilities. The present disclosure also relates an LED light module using the lens.

Abstract: A lens cap (3) is arranged to cover a light-emitting surface (23) of a light source (2), the lens thereby guiding light from the light source (2) in oblique directions relative to the light source (2). The lens cap (3) includes, in a planar view, a light transmitting region (33) and a light blocking region (34), the light transmitting region (33) divided into a plurality of light transmitting regions by the light blocking region (34) so that the light from the light source (2) passes through the plurality of light transmitting regions (33) and is separated into beams traveling in different directions.

Abstract: An LED light fixture includes a heat-sink, a circuit board thereon and having a plurality of spaced LED light sources, and a one-piece optical member with a plurality of secondary lenses over corresponding LED light sources, the one-piece optical member comprises (a) each of the lenses having at least one layer of a polymeric material which extends into a lens flange of such material that surrounds the lens and is spaced from the other lenses and (b) a polymeric carrier portion surrounding the lenses, overlapping and molded onto to the lens flanges across such overlapping, and extending to a peripheral edge. The polymeric materials may be different; e.g., the lens layer and lense flanges being an acrylic and the carrier being a polycarbonate. The innermost lens layer may be of an LSR material. The invention is also such one-piece optical member and a method of manufacturing such member.

Abstract: A lamp for safety signalling is disclosed. The lamp uses quantum dot phosphors to down-convert light from a primary light source and provide red or green light.

Abstract: A light source device and a light source system using the same are provided. The light source device includes a lens and a light source disposed under the lens. The lens has a light-emitting top surface and a bottom surface having a hole that is surrounded by an inner wall surface and an inner top surface. The inner top surface and a projection area of thereof onto the light-emitting top surface are flat surfaces. The light source has an illumination area, wherein an opening of the hole covers a projection area of the illumination area onto the bottom surface. The light source system includes a plurality of the light source device disposed in a honeycomb arrangement, wherein the light source devices are spaced apart from each other.

Abstract: A wide-angle LED warning apparatus has a heat sink base, a circuit board, multiple pillars, multiple LED devices and a transparent cover. The circuit board is mounted in the heat sink base. The pillars are formed in the heat sink base and each pillar respectively has an oblique surface, the oblique surfaces facing toward two opposite sides of the heat sink base. The LED devices mounted on a front surface of the circuit board and the oblique surfaces of the pillars. The transparent cover is mounted on the heat sink base. Hence, the LED warning apparatus of the invention can widely emit light due to the LED devices mounted on the oblique surfaces of the pillars to provide enhanced warning effect and security.

Abstract: The present embodiment relates to a metamaterial for deflecting electromagnetic wave, includes a functional layer made up by at least one metamaterial sheet layer, each of the metamaterial sheet layers including a substrate and a number of artificial microstructures attached onto the substrate. The functional layer is divided into several strip-like regions. The refractive indices in all the strip-like regions continually increase along the same direction and there are at least two adjacent first and second regions, wherein, the refractive indices in the first region continually increase from n1 to n2, the refractive indices in the second region continually increase from n3 to n4, and n2>n3. The metamaterial of the present invention that deflects electromagnetic wave has a number of regions disposed thereon. In each region, the refractive indices can continuously increase or decrease so that the electromagnetic waves within the regions will be slowly deflected.

Abstract: A method for producing an optical element made of quartz glass, said element being designed for a conversion of pump light, may include providing a sol having a silicon precursor, admixing the sol with at least one luminescent substance and one luminescent substance educt, gelling the sol to form a gel body, and sintering the gel body to form a quartz glass solid.

Abstract: A hybrid lens for a solid state light source device is provided. The hybrid lens includes a first component and a second component. The first component has a first side and a second side oppositely disposed thereto. The first side is positioned facing a solid state light source. The second component is attached to the first side of the first component. The first component includes a flame retardant material, such as a glass or a filled polymer. The second component includes a non-flame retardant material, such as an unfilled polymer.

Abstract: A fragmented lens system for creating an invisible light pattern useful to computer vision systems is disclosed. Random or semi-random dot patterns generated by the present system allow a computer to uniquely identify each patch of a pattern projected by a corresponding illuminator or light source. The computer may determine the position and distance of an object by identifying the illumination pattern on the object.

Abstract: A lens structure, a light source device, and a light source module are provided. The light source device includes a light emitting device and a lens structure. The light emitting device is capable of emitting a light beam. The lens structure includes a first surface, a second surface opposite to the first surface and four total internal reflection surfaces connected to the second surface. Some of the total internal reflection surfaces connect to the first surface. The first surface has a recess. The light emitting device is disposed at the recess. The second surface is a free-form surface. The light beam is capable of entering the lens structure through the first surface, and leaving the lens structure through the second surface.

Abstract: A light emitting module is provided with a light emitting element and an optical wavelength converting member. The optical wavelength converting member includes a light incident plane, a light output plane, and an outer plane which is a plane except for said light incident plane and said light output plane. The optical wavelength converting member converts a wavelength of light emitted on the light emitting element and entered from the light incident plane into the optical wavelength converting member and outputs the wavelength-converted light from the light output plane. An average roughness “Ra” of at least a portion of the outer plane is lower than an average roughness of the light output plane.

Abstract: Example embodiments of the disclosed technology include systems, methods, and/or apparatus for modifying light. In example implementations, a light modifying element or assembly of light modifying elements is provided and is configured to modify light from a light source. The light modifying elements can include various configurations and assemblies disclosed herein, which may comprise V-shaped, curved, or truncated-pyramid shaped light modifying elements, wherein one or more optical film pieces are characterized by one or more edge trusses disposed at two or more opposing edges of at least one of the one or more optical film pieces. The one or more edge trusses are characterized by one or more folds of at least a portion of at least one of the one or more optical film pieces. Edge trusses are further characterized to support two or more opposing optical film edges in a substantially planar configuration.

Abstract: An illumination lens for hemispherically emitting light emitting diodes is disclosed that produces a square illumination pattern too narrow for a refractive lens to produce by itself. The lens is freeform in that it departs from circular symmetry in order to produce a square pattern. It is catadioptric in that it comprises a central refractive lens with a square output of desired angular width and a surrounding TIR prism that produces the same square output, overlapping the first for better uniformity of the sum. The central lens and circumambient TIR prism are joined in a monolithic configuration suitable for injection molding. Vector equations are disclosed for generating the shapes of the five optically active surfaces of the invention, two internal surfaces forming a central cavity surrounding the LED and three external surfaces, all five departing from circular symmetry.

Abstract: In a plate-shaped fluorescent member configured to convert the wavelength of the light emitted by a semiconductor light emitting element, the fluorescent member is formed of an inorganic material having a refractive index of 1.5 or more and a light transmittance at the emission peak wavelength of the semiconductor light emitting element of less than 20%. A concave portion is formed, of the surfaces of the fluorescent member, on the surface on the side where the light in the semiconductor light emitting element is mainly emitted. In the fluorescent member, the light transmittance of the light having a wavelength of 380 nm to 500 nm may be less than 20%. The concave portion may be a groove. The concave portion may be a plurality of holes that are scattered.

Abstract: A diffusion plate includes a substrate. The substrate has a light entrance surface, and a light emitting surface facing away from the light entrance surface. The diffusion plate also includes a plurality of Fresnel lenses. The Fresnel lenses are formed at the light emitting surface, and an ultraviolet absorbent layer is formed at the light entrance surface.

Abstract: Disclosed is a light emitting device to reduce the number of components and elements of a light emitting device and a lighting device having the light emitting device, and simplify and miniaturize the structures of these devices. With this light flux controlling member (4), a total reflecting surface (12) functions like a reflecting member, light from a light emitting element (LED, for example) (3) that is incident from an input surface (13) and that arrives at the total reflecting surface (12) is total-reflected by the total reflecting surface (12) toward the output surface (11) side (including a first output surface (11a) and second output surface (11b)), and the illuminating light from the second output surface (11b) is superimposed upon the illuminating light from the first output surface (11a), so that the light from the light emitting element (LED, for example) (3) is used efficiently and illuminates the illumination target surface (6) over a wide range.

Abstract: A predetermined illuminated surface pattern is generated from a predetermined energy distribution pattern of an LED light source within an LED package having a light transmitting dome. An estimated optical transfer function of a lens shape of an optic is defined by the shape of an exterior and inner surface which envelopes at least in part the light transmitting dome of the LED package. An energy distribution pattern is obtained by combination of the estimated optical transfer function and the predetermined energy distribution pattern of the light source. A projection of the energy distribution pattern onto the illuminated surface is determined. The projection is compared to the predetermined illuminated surface pattern. The estimated optical transfer function is illuminated surface pattern.

Abstract: A patterned article includes a substrate support having planar substrate surface portions including a substrate material having a substrate refractive index. A patterned surface is on the substrate support including a plurality of features lateral to the planar substrate surface portions protruding above a height of the planar substrate surface portions. At least a top surface of the plurality of features include an epi-blocking layer including at least one of (i) a non-single crystal material having a refractive index lower as compared to the substrate refractive index and (ii) a reflecting metal or a metal alloy (reflecting material). The epi-blocking layer is not on the planar substrate surface portions.

Abstract: An optical component comprises a carrier plate (1) having a first main surface (2) and a second main surface (3) facing away from the first main surface (2), and a first lens structure (4) on the first main surface (2), wherein the first lens structure (4) has at least a first lens element (41) having a first polygonal form and a second lens element (42) having a second polygonal form, the first lens structure (4) completely covers the first main surface (2), and the first lens element (41) and the second lens element (42) are non-congruent with respect to one another and/or differ in terms of their orientation on the first main surface (2) of the carrier plate (1).

Abstract: An optical lens for adjusting viewing angle of and diffusing light emitted from a light emitting diode includes a light incident surface and a light emitting surface. The light incident surface is cone-shaped and concave towards the light emitting surface. The light emitting surface is cone-shaped and concave towards the light incident surface. A plurality of annular protrusions is formed on the light incident surface. The annular protrusions are coaxial and a center of each of the annular protrusions is located at an optical axis passing through a vertex of the light emitting surface and a vertex of the light incident surface. A lighting device having the optical lens and the light emitting diode is also provided.

Abstract: In a plate-shaped fluorescent member configured to convert the wavelength of the light emitted by a semiconductor light emitting element, the fluorescent member is formed of an inorganic material having a refractive index of 1.5 or more and a light transmittance at the emission peak wavelength of the semiconductor light emitting element of less than 20%. A concave portion is formed, of the surfaces of the fluorescent member, on the surface on the side where the light in the semiconductor light emitting element is mainly emitted. In the fluorescent member, the light transmittance of the light having a wavelength of 380 nm to 500 nm may be less than 20%. The concave portion may be a groove. The concave portion may be a plurality of holes that are scattered.

Abstract: The collimating optical element includes a light incident surface and a light emission curved surface. The light incident surface receives a light emitted by a light source. The light emission curved surface and a first plane are intersected to form a first curve. The first curve has a plurality of first curve segments, and each first curve segment includes at least three first tangent points. After passing each first tangent point along a connecting line of the light source and each first tangent point, the light exits along a first collimation axis, and an included angle formed between the first collimation axis and an optic axis is greater than ?15° and smaller than ?15°. Thus, the light after passing the collimating optical element forms a one-dimensional collimating light.

Abstract: A phosphor optical element includes: a base member; a phosphor-containing member that includes a transparent member containing a phosphor particle; and a cover member, wherein the base member, the phosphor-containing member, and the cover member are sequentially formed on a transparent base that is transparent to a wavelength of incident light from an excitation light source, the phosphor particle has a diameter no greater than the wavelength of the incident light, and in an arbitrary cross section of the phosphor-containing member in a direction perpendicular to a main surface of the transparent base, the phosphor-containing member has, in a direction perpendicular to the main surface of the transparent base, a thickness no greater than the wavelength of the incident light.

Abstract: A light emitting diode (LED) module is provided. The LED module includes a substrate on which an LED is mounted; a heat radiation unit configured to include an insertion hole for passage of a power supply cable that supplies power to the substrate; a lens plate configured to include a lens corresponding to the LED and to cover the substrate; a rubber seal configured to be disposed between the heat radiation unit and the lens plate; and a waterproof structure configured to be inserted in the insertion hole and to include a through hole to receive the power supply cable, wherein the substrate is received in an inner space constructed as the lens plate, the rubber seal, and the heat radiation unit are connected, and the inner space has a waterproof structure.

Abstract: A member for controlling luminous flux (100) has an incidence surface (110) and an emitting surface (120). The incidence surface (110) is a pyramidal surface having a recessed shape relative to the bottom of the member for controlling luminous flux (100), and having rounded borders between the individual facets. The horizontal cross-section of the incidence surface (110) is substantially similar in shape to that of an n-hedral irradiated surface (410). In the horizontal cross-section of the emitting surface (120), each of the straight lines connecting together adjacent angles of the n angles that correspond to the n angles of the irradiated surface (410) is substantially parallel to the side that corresponds to the horizontal cross-section of the incidence surface (110). The horizontal cross-section of the emitting surface (120) is the same as the n-hedron formed by the straight lines in the cross section, or fits inside the n-hedron.

Abstract: An LED optical light engine spotlight which can accommodate a variable number of light-emitting diodes (LEDs) is disclosed. An optical projection lens mounted in front of the LEDs merges the separate LED beams into a single beam, similar to the single beam provided by a halogen light and reflector. A heat sink provides convection cooling up to approximately 100 F. An optional fan provides additional heat dissipation for more extreme conditions. The depicted device can include a vertical tilt of over 200. Optimally, the depicted device is designed to have a full vertical tilt range between zenith (0 degrees) to horizontal (90 degrees) to full depression (135 degrees). An optional accessory lens provides additional capabilities, including flood lenses, colored lenses and rock guards, for example. The depicted device can be hard wired or wireless. The depicted device can be adapted to many base units and/or pan and tilt platforms.