Abstract: A portable light may comprise: a generally rectangular light body having a pair of opposing extensions or projections thereon, the light body having a generally rectangular cavity for receiving a source of electrical power therein; a generally cylindrical light head rotatably supported between the extensions of the light body adjacent the light body, the light head including a light source for producing light; and a switch for selectively actuating the light source. The light may include interchangeably a generally rectangular battery or a plural cylindrical batteries, and the battery or batteries may be rechargeable.

Abstract: A booklight for a protective cover for an eReader, wherein the protective cover includes a pocket for supporting the booklight, the booklight including a base, a light housing assembly having a light source, a manipulatable neck coupled between the base and the light housing assembly, and a base tab rotatably coupled to the base, wherein the base tab includes a first end rotatably coupled to the base tab, and a second end extending from the first end, wherein the second end is a free end, and wherein at least a portion of the free end is configured to engage the pocket of the protective cover.

Abstract: An improved flashlight includes a barrel, a light source and a variable length conductor. The barrel contains a plurality of batteries which may be arranged end-to-end. The light source is held in a holder. The variable length conductor is interposed between the plurality of batteries and the light source. The variable length conductor is configured to selectively electrically couple or de-couple the light source and the batteries. The holder of the light source may further be configured to move the light source substantially laterally relative to an axis of the reflector.

Abstract: Improved lighting devices and methods are provided. In many embodiments, the devices and methods provide the capability to change a spot of light projected onto a target surface. In other embodiments, the devices and methods are fixed-focus. In one embodiment a lens can have a lens body with anterior and posterior surfaces. The anterior surface can be adapted to receive light from a light source. The posterior surface can have a central portion and a peripheral portion. Some of the light from the light source can pass through the lens body and exit the central portion of the posterior surface via refraction. Some of the light from the light source can pass through the lens body and exit the peripheral portion of the posterior surface via both refraction and reflection at various surfaces of the lens.

Abstract: A portable lighting device that is lightweight and features a space-efficient design includes a body containing a Lithium-ion (Li-ion) battery. The body includes a pair of pivot arms that are spaced from one another. A lamp assembly includes a lamp assembly housing containing a light source that is powered by the Li-ion battery. The lamp assembly housing is pivotally connected to each of the pair of pivot arms and positioned there between. A handle includes a gripping portion that is spaced from the body so that a gripping space is defined between the gripping portion of the handle and the body. A removable bumper pad is positioned on the bottom of the body. The portable lighting device features recesses on opposite sides that are engaged by corresponding tabs on a charging rack. This prevents non-compatible lighting devices from being positioned on the charging rack.

Abstract: The present invention provides a lighting apparatus with an elongated housing which accommodates a light source. The housing may be pivoted to rotate between a stored position and a deployed position. The housing may be maintained at a plurality of desired positions within its range of rotation. In addition, according to a feature of the invention, the elongated housing may be relatively rigid, yet also articulated, so that it can flex transversely in response to an applied force. In an embodiment, the housing may be provided with a swivel portion that can be used to change the direction of the light. Various electrical features may be provided as well, such as a brightness control feature and an auto-off feature that switches off the light in the stowed position.

Abstract: A flash light includes a housing having a front end and a rear end to define a fixed length from the front to rear end. The housing further has a light cavity and a power cavity for receiving power source. The light arrangement includes a lens disposed at the front end of the housing, a light source disposed within the light cavity, and a light adjustor movably coupling with the housing to selectively adjust a distance between the lens and the light source along a longitudinal axis direction of the housing for adjusting the illumination angles of the light beam without altering the fixed length of the housing. The flash light is adapted for selectively adjusting illumination angles to provide variety of light patterns.

Abstract: A method for adjusting a focus of a flash light includes the steps of (a) providing a hollow housing having a front end, and a rear end to define a fixed length from the front to rear end, (b) coaxially supporting a lens at the front end of the housing, and a light source behind the lens, and (c) movably actuate a light adjustor of the light arrangement at the housing between the front and rear ends thereof to selectively adjust a distance between the lens and the light source along a longitudinal axis of the housing for adjusting the focus between the lens and the light source without altering the fixed length the housing, so as to adjust an illumination angle of the light beam.

Abstract: A flash light includes a housing having a front end and a rear end to define a fixed length from the front to rear end. The housing further has a light cavity and a power cavity for receiving power source. The light arrangement includes a lens disposed at the front end of the housing, a light source disposed within the light cavity, and a light adjustor movably coupling with the housing to selectively adjust a distance between the lens and the light source along a longitudinal axis direction of the housing for adjusting the illumination angles of the light beam without altering the fixed length of the housing. The flash light is adapted for selectively adjusting illumination angles to provide variety of light patterns.

Abstract: An improved flashlight includes a barrel, a light source and a variable length conductor. The barrel contains a plurality of batteries which may be arranged end-to-end. The light source is held in a holder. The variable length conductor is interposed between the plurality of batteries and the light source. The variable length conductor is configured to selectively electrically couple or de-couple the light source and the batteries. The holder of the light source may further be configured to move the light source substantially laterally relative to an axis of the reflector.

Abstract: In one aspect, the invention features a flexible base receptacle configured to be coupled to a lighting unit. The base receptacle includes a lower portion, which has a lower portion perimeter. The base receptacle includes a neck portion, which is movable relative to the lower portion. The neck portion has a lower neck portion perimeter that is proximate the lower portion. The neck portion has an upper neck portion perimeter. The neck portion has an intermediate neck portion perimeter, which is smaller than the lower neck portion perimeter and the upper neck portion perimeter. Some embodiments enable outdoor lighting assemblies to absorb forces due to bumping, thereby making it more difficult to break the outdoor lighting assemblies.

Abstract: An illuminative device, offers an optical device that is regulated by one hand and a LED circuit board that is sealed in waterproof and quick cooling structure. The illuminator, comprises a main body included a tube container for at least a battery and a narrow tube in the front end, a switch device set in rear end of the main body, which includes a battery cover, a screw thread portion for screwing to the main body, a switch board that sets a trigger on one end and a spring pole on the other end for a connection to the battery, and a elastic switch button that sets on the switch board, an emitting device included a LED circuit board and a tube base as a radiator, and a optical device included a sleeve with an inside circular stop flange at the rear end and an inside screw thread at the front end, a lens that holds at the front end of the sleeve, and a fastening ring with an outside screw thread for fixing the lens into the sleeve.

Abstract: A bi-directional flashlight for providing improved illumination includes a central body with a handle. The device further includes a first light-emitting section permanently attached directly to the first end of the body and facing a first direction away therefrom. Such a first light-emitting section further includes a mechanism for linearly reciprocating the light bulb along a first linear path such that the light bulb selectively oscillates back and forth along a fourth direction based upon a user input. The device further includes a second light-emitting section removably and selectively attached to the second end of the central body and the handle such that the second light-emitting section selectively faces second and third directions defined parallel and perpendicular to the first direction respectively. The device further includes a holding implement and a mechanism for selectively biasing the second light-emitting section along a second linear path.

Abstract: A portable lighting device, such as a flashlight, having a rotatable band disposed around the exterior of the flashlight is disclosed. Rotational movement of the band is converted to lateral movement of the light emitting element within the flashlight. The structural integrity of the flashlight is not compromised when the rotatable band is rotated around the flashlight to adjust the width of the projected pattern of light.

Abstract: A server signaler includes a lamp and a housing containing a battery and a switch. The server signaler may be attached to an advertising support or placed directly on a table top or other surface. Actuation of the switch illuminates the lamp to alert the server that service is required. Another server signaler according to applicant's invention includes an elongated base and telescoping portions to extend the lamp upwardly above the elongated base. Another server signaler provides a card-receiving channel containing switch contacts which are closed by insertion of a card into the channel.

Abstract: A light device includes a reflector disposed in a housing, a frame attached to an upper portion of the housing and having an axle extended into a notch of the frame, and having one or more projections extended from the axle, a carrier includes a protrusion rotatably secured to the frame with the axle and includes a number of depressions for engaging with the projection of the axle and for anchoring the carrier to the frame at selected angular positions, and the carrier includes a curved opening for rotatably attaching a spherical casing, a circuit board is disposed in the casing and includes a light member, the casing and the light member are rotatable relative to the housing and the frame and the carrier.

Abstract: A portable light is provided having a reflector assembly configured to create multiple modes of light reflection. The reflector assembly surrounds a light source and has first and second reflectors that together define a substantially continuous reflective surface. The second reflector is mounted for axial movement relative to the first reflector. Thus, different modes of light reflection can be produced. In an exemplary embodiment, the second reflector is disposed within a central opening defined by the first reflector, and the reflectors combine to define a substantially parabolic reflective surface, with the light source disposed at a focal point.

Abstract: A lamp adjustment assembly for a light fixture includes a socket platform having a base and hollow neck. A socket mounts to the base. The interior of the hollow neck includes at least three spaced-apart cam followers. A cam having spiral grooves includes a first portion that fits at least partially within the interior of the hollow neck. The cam followers mate with the grooves. An adjustment knob is coupled to a second portion of the cam and rotatably coupled to a socket housing that at least partially encloses the lamp adjustment assembly. Alignment wings extend from the base of the socket platform and are sized to fit within slots in the interior of the socket housing. The slots prevent the socket platform from rotating and limit the linear range of motion of the socket platform. A spring applies force to the base and the adjustment knob.

Abstract: Portable solar powered light sources, devices, apparatus, systems and methods of attaching and using the light source. The light sources can have a single small housing having an upper roof portion with an exposed solar cell, a photocell activator, and small housing. The housing can have two parts that pivot with one another so that a front end of the housing can be biased together by a spring, and the rear side having edges that are spaced apart. An operator can press the rear spaced apart edges together, to open the front end to slide about a support structure, such as an open umbrella fabric edge. The housing allows for the light source powered by batteries to be activated by the photocell during dark(night) conditions), with the light direction being adjustable underneath. During daylight, the solar cell receives sunlight to charge the batteries within the housing.

Abstract: The present invention is a spotlight with adjustable focus that has a focus fixing mechanism to prevent inadvertent changes to the focus of the light, while still allowing user-friendly intentional adjustment of the focus. The mounting neck of the reflector assembly rotates on threads on the lamp assembly so that the focus of the light may be adjusted. The focus is fixed in position by a plurality of ridges and valleys on the lamp assembly that mate with corresponding ridges and valleys in the neck of the reflector assembly. The neck of the reflector assembly is sufficiently flexible or expandable so that the focus of the lamp may be intentionally changed by applying sufficient rotational force, without requiring the user to physically interact with any sort of detent or locking mechanism. The neck is sufficiently rigid so that the reflector assembly will not rotate as a result of incidental vibrations or movement.

Abstract: A light-emitting diode (LED) lighting apparatus includes a main body, a light-emitting diode and a convex lens. The distance between the LED and the convex lens is less than two times of the focal length of the convex lens. When distance between the LED and the convex lens is changed, beam angle is fast changed so that the brightness for long distance is increased and illumination scope for short distance is increased without using a reflective cone.

Abstract: A portable lighting device, such as a flashlight, having a rotatable band disposed around the exterior of the flashlight is disclosed. Rotational movement of the band is converted to lateral movement of the light emitting element within the flashlight. The structural integrity of the flashlight is not compromised when the rotatable band is rotated around the flashlight to adjust the width of the projected pattern of light.

Abstract: A flashlight is provided that includes a housing and a light assembly including a light source and a battery. A light activation switch is provided for selectively forming an electric circuit between the light source and the battery to induce light emission from the light source. A pivot engages both the housing and the light assembly to rotate the light assembly between a closed position and an open position relative to the housing. The housing provides a measure of protection to the light activation switch. A spring is provided to bias the light assembly towards either of the closed position or the extended position. In combination with the spring, a flip switch is added so that upon activation of the flip switch the spring moves the light assembly to an extended position. The rotation between extended and closed positions for the light assembly typically ranges between 80 and 200 degrees, and ideally greater than 140 degrees.

Abstract: The lighted telescopic viewing apparatus inexpensively provides for visual acuity in viewing remote or distant objects is disclosed. The telescoping capability and direct object lighting further enhance viewing. The fiber optics provide for accurately transmitting light to viewed objects and images of viewed objects, respectively. Light and viewing is direct, and not a mirror image. The viewer on the apparatus case further provides a pivotal viewing field.

Abstract: A lamp (10) has a base (12) including a longitudinal axis (14) extending in a first direction (16) and a transverse axis (18) extending in a second direction (20) normal to the longitudinal axis (14). A pivot arm (22) is mounted on the base (12) for rotation through 180 degrees about the transverse axis (18) and at least one LED (24) is mounted with the pivot arm (22). Electrical means (26) are enclosed in the base (12) and pivot arm (22) for supplying electrical energy to the at least one LED (24). A cover 30 is mounted with the base (12) and is rotational about the longitudinal axis (14).

Abstract: An improved flashlight includes a barrel, a light source and a variable length conductor. The barrel contains a plurality of batteries which may be arranged end-to-end. The light source is held in a holder. The variable length conductor is interposed between the plurality of batteries and the light source. The variable length conductor is configured to selectively electrically couple or de-couple the light source and the batteries. The holder of the light source may further be configured to move the light source substantially laterally relative to an axis of the reflector.

Abstract: A combination for use in aligning a substantial point source of light with respect to an axis of a reflector is provided. The combination includes a reflector, a lamp bulb having a substantial point source of light, and a movable lamp bulb holder. The movable holder may be moved using an actuating member. The reflector has a first open end for emitting a light beam, a second end and an axis extending between the first and second reflector ends. The lamp bulb is secured to the movable holder and is disposed about the second end of the reflector. The actuating member is operatively coupled to the movable holder at an actuation interface for moving the substantial point source of light relative to the axis of the reflector and aligning the substantial point source of light with the reflector axis and the focal point of the reflector. Flashlights employing the combination are provided.

Abstract: A portable lighting device, such as a flashlight, having a rotatable band disposed around the exterior of the flashlight is disclosed. Rotational movement of the band is converted to lateral movement of the light emitting element within the flashlight. The structural integrity of the flashlight is not compromised when the rotatable band is rotated around the flashlight to adjust the width of the projected pattern of light.

Abstract: A combination for use in aligning a substantial point source of light with respect to an axis of a reflector is provided. The combination includes a reflector, a lamp bulb having a substantial point source of light, and a movable lamp bulb holder. The movable holder may be moved using an actuating member. The reflector has a first open end for emitting a light beam, a second end and an axis extending between the first and second reflector ends. The lamp bulb is secured to the movable holder and is disposed about the second end of the reflector. The actuating member is operatively coupled to the movable holder at an actuation interface for moving the substantial point source of light relative to the axis of the reflector and aligning the substantial point source of light with the reflector axis and the focal point of the reflector. Flashlights employing the combination are provided.

Abstract: A multiple swivel flashlight provides a stable housing with flat bottom for ready support on most surfaces, as well as a pair of lamp reflector arms which are either conducting or carry conductors to supply the reflectors with the voltage and current needed to drive the lamps. Where the exterior of the support arms are conducting, they are either coated or painted to insulate the exterior. Where the support arms are non-conducting, conductors are either inlaid or attached, preferably along the interior surface of the conductors. The support arms support the reflectors at an angle in order to enable the user to optimally adjust the position of the multiple swivel flashlight.

Abstract: An illumination apparatus is provided that has sufficiently high efficiency irrespective of a size of a light source. The illumination apparatus projecting light forward includes an LED chip, a small-diameter reflecting mirror positioned in front of the LED chip for receiving light from the LED chip to project the light forward, and a reflecting mirror enclosing the LED chip and the small-diameter reflecting mirror for directing and reflecting forward the light from the LED chip.

Abstract: A focus assembly for a luminaire includes a socket, having wires extending therefrom, for receiving a lamp; a mounting cup for securing the socket to the luminaire; a socket focusing mechanism for axially translating the mounting cup relative to a stationary reflector; and a wire guide tab, extending from the mounting cup, for shielding the wires from the socket focus mechanism during translation of the mounting cup.

Abstract: A flashlight has a lens moveable relative to an LED. The beam of light provided by the LED can be focused and provides a uniform light pattern across the range of focus. The lens is supported on a front housing section and the LED is supported on a back housing section threaded onto the front housing section. Twisting the front housing section closes a switch providing power to the LED, to turn the flashlight on. Twisting the front housing section also adjusts the focus of the beam. A timer circuit within the flashlight turns the flashlight off after a selected time interval, to preserve battery life.

Abstract: The invention involves a focusing flashlight, the flashlight includes the tail cover, housing body, and a reflector and a bulb holder installed in the housing body. Therein, the reflector and the bulb holder are connected to each other by the threads in order to adjust the position of the bulb. Between the reflector and the bulb holder, there is installed a lock device to fix the relative position of the reflector and the bulb holder. The focusing flashlight has a lot of advantages, for example, the focusing performance being reliable, the focusing performance after focusing being unaffected by the rotation of the front cover and the housing head, the structure being simple, and convenient.

Abstract: A flashlight has a lens or lenses moveable relative to one or more LED or other light source. The beam of light provided by the LED can be focused and provides a uniform light pattern across the range of focus. The lenses are supported on a front housing section and the LED is supported on a back housing section threaded onto the front housing section. Twisting the front housing section closes a switch providing power to the LED, to turn the flashlight on. One or more circuit modules within the flashlight provides various operating modes including an automatic shut-off timer, to preserve battery life, a dimmer controlled by turning an end cap, a blinking function, and/or a current control function to provide maximum brightness regardless of battery condition.

Abstract: A flashlight that utilizes an array of one or more light-emitting diodes (LEDs) as a light source, and a light pipe as a light homogenizer to generate a light beam capable of forming a uniformized light distribution at a given distance from the flashlight is disclosed. The LEDs may be all the same color, or some or all may be different colors. A switch, coupled to switching electronics coupled to the LED array, is used to change the state of the LED array to create a variety of different types of light beams, each of which provides relatively uniform and bright illumination at a given distance from the flashlight, wherein the given distance is selectable by adjusting an adjustable imaging lens.

Abstract: A portable light intended for mounting on a garment as support includes two LED light sources spaced apart towards the rear of the portable light. A clipped base below on anchor facilitates locating a garment between the anchor and the base, and a spring action urges the base toward the anchor. A hingedly movable head for the LEDs is mounted on the housing to move to and form the housing. An opening of the housing causes a switch in the housing to move between an opened and closed position such that a circuit actives or de activates the LED lights when the head opens or closes relative to the housing.

Abstract: A flashlight including a longitudinal barrel and a head with an angular connector between the longitudinal barrel and the head. The angular connector is rotatable about the longitudinal axis thereby to direct the head in different radial directions relative to the barrel. The connector is also removable so that the head can be directly connected to the barrel. A finger operable toggle on the switch permits operation of the flashlight between the on and off positions, and the contact with the switch permit operation irrespective of the angular position of the angular connector.

Abstract: A burglar alarm light includes a shell, a lamp set located in the shell, and a shade coupled on the front end of the shell. The shell further has an adjustment mechanism located therein to adjust the displacement of the lamp set thereby to alter light projection type (converging or scattering) emitted from a light source.

Abstract: The present invention provides a unique dual mode, inline switch mechanism that is fully integrated into the rear cap of a flashlight assembly to provide a completely self contained and waterproof switching mechanism. The switch assembly further provides dual mode functionality including an ON position and a momentary ON position while also including a reliable OFF position that prevents the accidental activation of the light when the user desires that it remain off. The entire mechanism resides in the end cap of the flashlight assembly and includes an end cap structure that is designed to be rotatably attached to the end of a flashlight housing, a contact plate, a plunger, an insulator disk and an elastomeric cover. The switch mechanism is fully integrated on the interior of the flashlight providing the highly desirable, fully contained, in line functionality.

Abstract: A light emitting diode (LED) flashlight that utilizes reflection techniques to maximize light provided by the one or more light emitting diode light sources. A reflection housing is connected to the flashlight housing and includes a light housing that is suspended within the reflection housing and positions the light source toward the flashlight handle. Reflective surfaces within the reflection housing receive the light emanating from the LED light source and reflect and re-direct the light out the transparent end opposite the flashlight handle.

Abstract: A compact work light that generates a light beam having high brightness and high illumination uniformity is disclosed. The work light includes a housing that houses a light source, a light homogenizer and an imaging lens in an operational relationship. The housing is attached to an adjustable mount, which can be attached to a fixed region such as wall, or to a movable support member such as a lamp base. The light source generates light that is uniformized by the light homogenizer. The homogenized light is then imaged by the imaging lens as a highly uniform, bright beam spot having a sharp boundary. The beam spot is formed at a selectable distance from the work light by varying the imaging lens and/or the adjustable mount. The work light is useful for a variety of industrial, professional and personal applications, including but not limited to a reading light, a dentist light, a head lamp, a head light and an optical projector.

Abstract: A light emitter is disclosed herein. An embodiment of the light emitter comprises a tube, a first aperture, a second aperture, a lens, a base mechanism, and a light path. The tube has a first end and a second end. The first aperture is located proximate the tube first end and the second aperture is located proximate the tube second end. The lens is located within the tube. The base mechanism is attached to the tube first end and has a cavity formed therein. The light path extends between the cavity and the second aperture and passes through the first aperture and through the lens.

Abstract: A portable, battery-operated flashlight having improved pivoting, switching and focusing features is disclosed. In one aspect of the invention, the flashlight takes the form of an attachment to a head gear for hands free use. In another aspect of the invention, the flashlight takes the form of a head lamp held in place on an user's head by an elastic band. The pivot connection between the body and the base, as well as the serrations on an exterior surface of the body, allows a user to adjust any angular direction of the light as desired. In another aspect of the invention, the flashlight takes the form of a long-handled flashlight having improved switching and focusing capabilities, such that axial movement of the switching assembly turns the flashlight “on” or “off”, as well as causing a position of the lamp to vary in order to focus or defocus the light.

Abstract: An illuminator, which may be an infrared illuminator, has an array of LEDs. The LEDs are mounted to an apertured substrate. Air flow through apertures in the substrate cools the LEDs. A fan forces air through the apertures. A collimating plate reduces divergence of a light beam issuing from the LEDs. The illuminator is suitable for long range illumination, for example in night vision systems or surveillance systems. An infrared illuminator may be combined with an infrared camera to provide a night vision system.

Abstract: A variable beam flashlight has a housing with an exterior control knob that is movable by thumb. A light assembly in the housing includes a casing having a cylindrical guide housing within a bore, the inner surface defining the bore having a helical grove. Within the guide housing is cylindrical bulb extension member in which the bulb is fitted to one end. The bulb extension member has a groove member that extends through a slot in the guide housing and into the helical groove, such that when the control knob is rotated by the thumb, the guide housing is rotated. The rotating guide housing slot displaces the groove member causing the groove member to follow the helical groove. As it follows the groove the bulb extension member is moved longitudinally within the guide housing, causing the bulb to be positioned at variable distances from the front lens.

Abstract: A night vision device to mark the location of a front sight on a rifle or a modern bow includes a casing, a power source and a light emission device adapted to the front sight. Wherein, the casing contains the power source connected to the light emission device, and a light conductor is further provided to the front of the light emission device so to mark the location of the front sight to aim at a selected target by the light emitted from the light emission device during night hours or where poor visual contact presents.

Abstract: A pleated bellows universal flashlight comprises a handle, a post and an illuminator. A battery and a power switch is installed in the handle; an upper side of the handle is extended with the post. An interior of the post is received with a conductive wire; the conductive wire has a section for extending a length of the conductive wire. A middle section of the post is installed with a pleated bellows portion which is both a telescopic and bendable snake-like tube. A connecting end of the post is installed with a retaining seat. One end of the retaining seat is connected to the conductive wire and another end thereof is connected to and fixes light emitting elements.

Abstract: A light seat for a portable light has a handle, a light fixture and a universal adjustment assembly. The universal adjustment assembly pivotally connects the light fixture to the handle. The universal adjustment assembly has an adjustment sphere, two lateral adjustment devices and a longitudinal adjustment device. The adjustment sphere is pivotally mounted in the housing. The lateral adjustment devices are rotatably mounted in two non-circular recesses in the adjustment sphere and are securely connected to the light fixture. The longitudinal adjustment device is attached to the adjustment sphere and is rotatably mounted in the handle. With such a light seat, the light fixture can be adjusted relative to the handle in any direction, and the use of a portable light with the light seat is versatile.

Abstract: A device is disclosed that uses a plurality of light sources. The light sources may be light emitting diodes (LEDs). The light sources are arranged and mounted to a deformable flexible substrate. The light sources are arranged and mounted to the substrate as to emit their radiation perpendicular to the substrate. The substrate is flexed in a concave or convex manner by motor, magnetic field or other mechanical means. The light sources may emit their radiation perpendicular to the substrate, or the may diverge or converge their radiation away from the substrate. Perforations in the substrate provide cooling to the light sources by convection or forced air. A threaded holder may be screwed onto threads on a case in order to bend the flexible substrate to change the direction of light from the light sources mounted to the flexible substrate.