Abstract: A light source unit including a light emitting device emitting light and an optical device including a first surface having an incident surface, through which light from the light emitting device is incident, and a second surface through the incident light is outwardly emitted, wherein the first surface has a recess recessed toward the second surface and forming the incident surface, and the second surface protrudes in a dome shape from an edge of the first surface, the second surface having a concave portion depressed toward a planar portion in a center of the first surface, and the incident surface includes the planar portion at a top portion of the recess and a curved portion, the planar portion and the curved portion forming an opening, the curved portion extending between the planar portion and a portion of the first surface outside the incident surface may be provided.

Abstract: An eyepiece for a head mounted display includes a light relay body, a total internal reflection (“TIR”) interface, and a focusing lens. The light relay body has a first end coupled to receive CGI light from an image source and a second end including a viewing region from which the CGI light is emitted. The TIR interface is disposed in the viewing region at an oblique angle relative to an eye-ward side of the light relay body through which the CGI light is emitted from the eyepiece. The TIR interface is oriented to redirect the light towards the eye-ward side of the light relay body. The focusing lens is disposed along the eye-ward side of the light relay body in alignment with the TIR interface to bring the CGI light into focus for a near-to-eye arrangement.

Abstract: There are provided a light source device and a display device which do not generate a wrinkle on an optical sheet even if the optical sheet is held on an LED substrate. A reflection sheet is disposed between each of head portions possessed by a rivet, a positioning rivet and a support rivet and one surface of an LED substrate where an LED is mounted, and a gap in a direction of a sheet thickness is provided between the head portion of each of the rivets and the reflection sheet. In the case in which a sudden thermal change is caused, therefore, the reflection sheet expands or contracts between the head portion of each of the rivets and the reflection sheet so that the wrinkle can be prevented from being generated over the reflection sheet.

Abstract: This disclosure includes light fixtures, some of which include a lower housing that defines a first channel and has first and second ends, where the first end defines an aperture and the second end has a first mounting surface disposed at a non-parallel first angle relative to a plane of the aperture, an upper housing that defines a second channel and has first and second ends, where the second end has a light mount and the first end has a second mounting surface disposed at a non-parallel second angle relative to a plane of the light mount, and a diffuser configured to be coupled between housings, where the upper and lower housings can be coupled at the first and second mounting surfaces such that the light mount is disposed at a non-parallel third angle relative to the plane of the aperture. Some light fixtures have unitary lower and upper housings.

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: An underwater diving light has a rotatable front filter ring for selecting light filtration as needed for underwater still or video photography conditions. The filter ring is removable and interchangeable with different rings. Another important feature is efficient cooling of the LEDs and other internal electronics of the diving light assembly. The water is in contact with a metallic front face that conducts heat directly away from a metal core circuit board carrying the LED array or arrays. In one form of the diving light water channels are provided so that the ambient water can enter the assembly to spaces behind the LCD circuit board to efficiently cool the LEDs and associated electronics. The front plate assembly can be removable, for rinsing the internal cooling cavities, for interchange with different front face assemblies, and for air travel when the LCDs must be removed from driving electronics for safety concerns.

Abstract: Provided is a display apparatus. The display apparatus may include a display panel and a backlight provided adjacent the display panel. The backlight may include an optical sheet provided adjacent the display panel, a reflector provided a prescribed distance from the optical sheet, at least one light emitting device provided adjacent the reflector, and a lens provided over a corresponding the light emitting device. The lens may include a lower recess formed on a bottom surface of the lens and provided a prescribed distance over the light emitting device, and an upper recess formed on a top surface of the lens and provided to vertically overlap the bottom recess. The lower recess may include an upper surface that extends from the side surface and having a prescribed shape and curvature. The upper recess may also include a lower surface having a prescribed shape and curvature.

Abstract: An interactive electronic device shell and light source may enable personalization and increased functionality of an electronic device. The shell may at least partially cover a light source and attach to an electronic device. The shell includes at least some transparent or translucent portions (e.g., light stencils) that enable light from a matrix of the light source to emit through the shell, thus causing a display of light from the shell. In some aspects, the electronic device may be linked with the shell and/or the light source to control light emission through the shell. In various aspects, an illumined portion of the shell may have significance, such as revealing an artistic design or indicating a message based on activity of the electronic device.

Abstract: Provided are an optical sheet used for a lighting device, and the lighting device, the optical sheet comprising: a base plate; and an optical plate including a plurality of micro pattern units formed on the base plate, wherein the respective micro pattern units have any one shape of a quadrangular pyramid shape, a conical shape, and a polypyramid shape, wherein an edge angle formed between the base plate and a side surface of the micro pattern units is determined within a range of 15 degrees to 45 degrees.

Abstract: An optical system for generating, from a light source and along an optical axis (X-X), a composite light beam comprising at least one central light beam and at least one peripheral light beam surrounding the central light beam. The system directs towards an optical diffuser for redistributing the composite light beam in a predetermined manner in a plane orthogonal to the optical axis (X-X). The optical system is configured for generating, in a second plane comprising the optical axis (X-X), the central light beam and/or the peripheral light beam in such a manner that light rays of the central light beam and/or of the peripheral light beam are respectively inclined, on either side of the optical axis (X-X), with respect to the optical axis (X-X).

Abstract: Illumination panel comprises: (1) a receiver substrate assembly including: (a) a rigid sheet of light transmissive material having a first surface, a second surface opposite the first surface, and a conductor pattern attached to the first surface; and (b) at least one receiver assembly affixed to the rigid sheet, each receiver assembly including a light source in electrical communication with the conductor pattern; and (2) at least one light-guide optic attached to and supported by the receiver substrate assembly, each light-guide optic in optical communication with the photovoltaic cell of an associated one of the at least one receiver assembly for guiding light for output via the rigid sheet.

Abstract: A direct troffer-style fixture for solid state light sources and pan structures for use in these fixtures. The fixture comprises a door frame assembly that is attached to the pan. The pan housing is defined by a base and two angled side walls. End caps are attached to the side walls. End reflectors extend at an angle away from the end caps and attach to the base. The end caps, the end reflectors, and the base define compartments at both ends of the housing in which components can be housed. A light board is attached to the base using alignment holes in the base and cutout portions of the end reflectors. The multifunctional end reflectors retain elements within the compartments, provide added structural stability to the pan, aid in aligning a light board, and they reflect light that impinges on them toward the open end of the fixture.

Abstract: A light apparatus is provided for displaying a design when the light apparatus is illuminated by a light source. In an example embodiment, the light apparatus includes a wall having a first surface and a second surface opposite to the first surface, a light source positioned behind the wall and the first surface facing the light source, the first surface of the wall comprising an indentation extending into the wall and ending before the second surface, and the indentation forming a design in the wall. In an example embodiment, the light apparatus is a lamp. In another example embodiment, the light apparatus further includes a photoluminescent layer positioned within the indentation.

Abstract: A lighting fixture employing a solid-state light source and an ambient light sensor is disclosed. The solid-state light source is placed within a light source housing and configured to emit light through a lens assembly that covers an opening into a mixing chamber provided within the light source housing. In one embodiment, the ambient light sensor is located within mixing chamber with the solid-state light source. In another embodiment, the ambient light sensor is located outside of the mixing chamber. In either embodiment, the ambient light sensor may be recessed within a waveguide, which aides in controlling the sensor distribution beam for the ambient light sensor. The sensor distribution beam essentially defines an area from which light reflected off of a task surface is accurately monitored via the ambient light sensor. The direction of the sensor distribution beam and the light emitted from the ambient light sensor may generally coincide.

Abstract: A luminaire having a housing defining one or more unthreaded mounting holes therein, a connector having a head and a shaft, the connector shaft located at least partially in one of the one or more mounting holes, the connector shaft comprised of a pliable material, a circuit board mounted to the housing by the connector head, the circuit board populated with one or more LEDs, and a lens resting against and spaced form the circuit board by the connector head.

Abstract: A display system, having an emissive body, emitting light over a complete surface as part of a display system. The emissive body can be a FIPEL type device with a first transparent conductive coating over a light emitting substrate. A transparent substrate, has first and second surfaces, with the first surface coupled to the first transparent conductive coating, and the second surface of said transparent substrate including a surface formed with plural light channeling structures thereon.

Abstract: The disclosure relates to a lighting fixture having a base, a solid-state light source, and a lens assembly. The optic has a body with a cavity and a proximal opening. The lens assembly is coupled to the base at the proximal opening. The solid-state light source is mounted to the base and is configured to direct light into the cavity via the proximal opening. At least a portion of an interior surface of the body includes a number of elongated prisms. At least a portion of the exterior surface of the body includes a number of diffusers.

Abstract: An extruded housing using a single polymeric material to form an opaque body portion that defines an open channel, a light transmitting lens portion, and a hinge portion joining the body portion to the lens portion to form a unitary body. The hinge portion allows the lens portion to pivot relative to the body portion between an open position, where the channel is open, and a closed position, wherein the lens closes the open channel. The extruded housing is designed to form part of a light emitting diode light fixture, where the housing accepts a strip or plurality of LEDs within the channel for emission of light through the lens portion.

Abstract: An LED assembly that includes optics and optical arrangements for light emitting diodes (LEDs). In some embodiments, a reflector is provided within a void between the lens and the LED. This reflector can reflect light emitted by the LED in a non-preferred direction back toward the preferred direction. In other embodiments, an optical element is formed or otherwise provided in the lens cavity and shaped so that, when the lens is positioned above the LED, the refractor bends the emitted light in a preferred direction. In some embodiments, both a reflector and optical element are provided in the LED assembly to control the directionality of the emitted light. Such embodiments of the invention can be used to increase the efficiency of an LED by ensuring that generated light is being directed to the target area of choice.

Abstract: A lighting fixture includes a cap and a spaced-apart shield. The cap is suspendable below a ceiling and disposed generally over a light source. The lighting fixture includes at least one of the shield having at least one aperture with at least one translucent ornament illuminatable by the light source, a plurality of elongated members connected at one end to the cap and at a second end to the shield to support an upper portion of the shield spaced apart from a lower portion of the cap, and the shield having a plurality of openings therethrough defining a pattern in the shield illuminatable by the light source.

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 display arrangement includes a decoration layer, a light source underneath the decoration layer, and a lens layer arranged between the decoration layer and the light source. The decoration layer includes at least one void formed in the shape of a character when viewed from above. The lens layer is at least semi-transparent to permit transmission of light from the light source through the void. An optical structure is arranged in alignment with the void and is adapted to reduce intensity of the light in a peripheral region of the void so as to reduce a halo effect. The decoration layer may be formed as an external layer of a key or a button of a portable electronic device, or an outer casing of a portable electronic device.

Abstract: The method of obtaining a uniform beam of electromagnetic radiation with arbitrary geometrical shape by means of lens optical system consists in that a source of artificial light (2) emitting light is connected to the electric power network and electromagnetic light rays (20) are emitted by the source; then, depending on the required light projection shape (23-27) and (34-36), a uniform beam of electromagnetic radiation is directed onto appropriate input lens (3), preferably a cylindrical plano-convex lens with fixed or adjustable focal length “A”, and the light rays (21) coming out of the lens are directed onto an output set of lenses or an output panel set of lenses (4) with fixed or adjustable position with respect to the input lens (3), i.e. inclined at angle “a” ranging from 0° to 75°, and after passing through the lens or the panel set of lenses (4), the rays are directed onto the desired plane forming the required shape of light projection (23-27) and (34-36) with sharply outlined side edges.

Abstract: A diffuser and an optical system is provided in the present disclosure. The diffuser is configured to enhance the intensity of a light generated from a light source. The diffuser includes a transparent substrate, a transparent metalized layer, a bonding layer, and a plurality of light-penetrating microsphere balls. The transparent substrate has a first surface and a second surface. The transparent metalized layer is disposed on the first surface of the transparent substrate. The bonding layer is disposed on the transparent metalized layer. The plurality of light-penetrating microsphere balls are disposed on the bonding layer. The first surface is opposite to the second surface, and the light enters the diffuser from the second surface of the transparent substrate.

Abstract: Gradient optics for controllable light distribution for LED light sources. In an aspect, an apparatus is provided that includes a panel coupled to receive light emitted from a light source and gradient optics disposed on the panel. The gradient optics providing a transparency gradient that filters the light to achieve a selected emitted light intensity variation across a selected surface of the panel.

Abstract: A display devices includes a light diffusing sheet and a display section. The display section includes a backlight section, and a liquid crystal panel that serves as a liquid crystal display element section. The backlight section includes a light source such as a light emitting diode or a cold-cathode tube, and a light guide plate for guiding, to the liquid crystal display element section, light which is emitted from the light source and is subjected to internal reflection. The light diffusing sheet is configured by forming, on a substrate, a plurality of light diffusing sections each having an inverse tapered shape. In the display device, the light diffusing sheet is provided on a front surface of the display section such that the substrate is located on a light exit surface side of the light diffusing sheet.

Abstract: A luminaire including a light engine having a light source and a housing and a light-diffusing attachment that includes a frame secured to the housing of the light engine, a refracting lens supported by the frame, and a diffuser supported by the frame.

Abstract: An apparatus including: an illumination source; and a climate controlled enclosure having at least one light diffusion element situated within the enclosure, the at least one light diffusion element being in photonic communication with the illumination source, and the illumination source being remote to the enclosure. The disclosure also provides a method of using the apparatus to illuminate the interior of the apparatus and optionally the contents of the apparatus.

Abstract: A tamper-resistant light fixture having exceptional illuminance qualities, low energy consumption, and high resistance to unauthorized enclosure penetration.

Abstract: A light emitting device includes: a light emitting chip arranged on a substrate; and a resin lens formed to cover the light emitting chip, wherein the center of the light emitting chip and the center of the resin lens are offset so that the centers do not match each other.

Abstract: A light source module including a light source, a first lens disposed above the light source and including a through hole penetrating through top and bottom surfaces thereof, and a second lens disposed to face the light source within the through hole and moving in an optical axis direction to adjust an amount of light incident to the first lens, the light generated by the light source, may be provided.

Abstract: A miniature SMD-HPLED replaceable lamp (10) comprising a main body (1) which can be alternatively made of ceramic or metallic material, an electrical connector (20) housed in said main body (1) and a PCB (3a) embedding an HPLED lighting source. The connector (20) is suitably designed both for assuring an electrical continuity between PCB (3a) and an external power supply and locking it in a slot (2) formed on said main body (1).

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: A display device includes a display element and an image compensation element. The display element includes a main display region and a first periphery display region located at a first side of the main display region, each of the main display region and the first periphery display region includes a plurality of pixels, and a pixel density of the main display region is smaller than a pixel density of the first periphery display region. The image compensation element includes a compensation portion corresponding to the periphery display region, and the image compensation element extends an image of the first periphery display region to one side of the first periphery display region away from the main display region.

Abstract: A transportable lighting device has a light apparatus, a column device that bears the light apparatus and that extends in a longitudinal direction, and a stand device that bears the column device. In order to provide electrical power for the light apparatus, a ballast is provided that is situated on the column device, underneath the column device in the longitudinal direction. In this way, the overall center of gravity of the transportable lighting device can be shifted significantly downward, This results in improved stability against falling.

Abstract: The present invention aims at mitigating a light guide member being peeled off and a display panel being damaged by stress exerted on an adhesive section or the like between the light guide members.

Abstract: A backlight device 12 includes cold cathode tubes 17, a chassis that houses the cold cathode tubes 17 therein and having an opening 14b through which light emitted from the cold cathode tubes exits, and a diffuser plate 15 provided so as to face the cold cathode tubes 17 and cover the opening 14b. A light reflecting portion 30 is formed on a side of the diffuser plate 15 close to the cold cathode tubes 17 so as to have different light reflectance in every surface area of a surface of the diffuser plate 15. A scattering structure 31 is formed on a side of the diffuser plate 15 opposite from the cold cathode tubes 17 and scatters the light.

Abstract: Provided is an optical sheet, the optical sheet comprising: a base film; and a plurality of constructions which are irregularly arranged on one surface of the base film so that an arrangement axis of one construction is out of an arrangement axis of another construction adjacent to one side surface of the base film within a range of 1 to 50% of a length or a width of the another construction. Thus, a protective film and a prism type sheet are removed, and the weakness and workability of processes are improved, thereby being capable of reducing a unit price. Furthermore, a shielding force which is the most weakness of the prism type sheet can be improved.

Abstract: A light source device is provided, which includes: a hold member; a light source held by the hold member; an optical element held by the hold member; and a hardened first adhesive agent bonding at least one of the light source and the optical element to the holding member. The hardened first adhesive agent has elasticity.

Abstract: According to one implementation of the disclosed technology, a lens is provided. The lens includes one or more pieces of optical film configured for attaching to and modifying light from a light emitting device. The one or more pieces of optical film define: a lens aperture; a front light-emitting side of the lens; a back light-receiving side of the lens; and two or more edge trusses. The edge trusses are disposed towards the back light-receiving side of the lens. Each of the two or more edge trusses include one or more sides configured from a corresponding fold in the one or more optical films, wherein at least one of the one or more sides of each of the two or more edge trusses is configured at an angle relative to the lens aperture plane to impart support to the lens and to resist deflection of each edge truss.

Abstract: A cap for a water bottle has an integral light director lens for guiding light into the bottle. A portable light is temporally retained on the top, outside of the cap. In that position light from the light is directed by the structure of the cap into the bottle. To retain a light with straps, such as a headlamp, the straps can be placed under fingers of the sides of the cap. This can allow the strap to be a handle for the resulting lamp. Alternatively, elastomeric straps, bands or flaps may directly secure the body of a lamp to the upper surface of the cap establishing both a mechanical and optical interface. The use of both headlamps and flashlights are taught.

Abstract: An illumination apparatus includes a transparent case, an opaque member, a ring-shaped light emitting device, and a ring-shaped transparent cover. The transparent case has a central region. The opaque member is disposed on the central region. The ring-shaped light emitting device is disposed in the transparent case corresponding to the central region. The ring-shaped transparent cover is disposed on the ring-shaped light emitting device and has a first arc-shaped ring portion relatively close to the opaque member and a second arc-shaped ring portion relatively away from the opaque member. A refraction microstructure region is formed on an inner surface of the first arc-shaped ring portion for refracting light emitted by the ring-shaped light emitting device.

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: An illumination device includes: a light emitting element that includes an active layer, a first clad layer and a second clad layer with the active layer interposed therebetween, and a first gain region and a second gain region generating light when a current flows through the active layer; a control unit that operates the light emitting element so that light is alternately generated in the first gain region and the second gain region; and a first lens to which light emitted from a first light emitting portion of the first gain region and light emitted from a second light emitting portion of the second gain region are incident, wherein the light emitted from the first light emitting portion and the light emitted from the second light emitting portion are emitted in the same direction and are incident to the first lens.

Abstract: A modular lighting device includes a base and a lamp head unit. The base includes a base body and a first connecting module disposed at a top end of the base body and having a first connecting portion and a first conductive portion. The lamp head unit includes a bottom seat, a lamp body disposed on the bottom seat, and a lamp shell connected to the bottom seat. The bottom seat includes a second connecting module disposed at a bottom end thereof and having a second connecting portion connected removably to the first connecting portion, and a second conductive portion electrically connected to the first conductive portion. The lamp shell has a maximum width disposed at a position adjacent to a bottom end thereof and smaller than or equal to that of the bottom seat.

Abstract: Disclosed is a lighting device capable of reducing UGR (Unified Glare Rating). in a illuminating member, reflection efficiency of light significantly scattering to the left and right among light applied to the air gap through the diffusion plate is increased using the adhesion material pattern layer of periphery surrounding an air gap, and simultaneously, the UGR may be reduced by removing the process disposing the pattern with a specific structure and increasing the process efficiency.

Abstract: An apparatus, method, and system for lighting target areas with bollard or pagoda-type lights in a controlled and efficient manner. The apparatus includes a housing with a light source, optic system, and a control circuit. The light source and optic system are configured to produce a highly controlled output beam pattern and shield from normal viewing angles direct sight of the source. This enables control of glare and spill light which can improve effectiveness, efficiency, and energy usage.

Abstract: A decorative lamp, including a lampshade, a luminophor and conductive wires connected with the luminophor. The decorative lamp includes a wire trapper, one end portion is disposed between the conductive wires and a housing with opened inner space. The wire trapper is disposed inside the inner space, the conductive wires extend out of an opened end of the inner space to be connected to an external power supply with one end portion of the wire trapper and an inner wall of the housing defining the inner space press and fix the conductive wires. The lampshade and the housing respectively include structures that cooperate to form a sealing assembly. The decorative lamp may also be modified by replacing the cooperation between the lampshade and the housing by a snap-fit member such that the luminophor extends out of the snap-fit member and forms a tight cooperation with the snap-fit member.

Abstract: An illuminating motion sensing module for a beverage container. The illuminating motion sensing module is removably coupled to the base of the beverage container. The top surface of the module is comprised of a translucent surface with a diffusion texture which allows light emitted from the module to be propagated into the surrounding environment. The beverage container and motion module are placed on a nightstand, dresser, table, or any other flat surface within a low-light or no-light environment. After the motion of a user has been detected by the module, an illumination pattern is responsively emitted from the module and propagated out of the translucent or transparent beverage container, thus signaling the location of the beverage container to the user in a low-light or no-light environment. The motion module comprises a set of pre-programmed instructions for operating the motion module in one of a plurality of operation modes.

Abstract: According to embodiments, there is provided a lighting device that includes a lighting main body and a support portion. The lighting main body has an irradiation window that emits light. The support portion has a rotation stop member that is engaged with a protrusion provided in a first frame body to regulate the rotation of the first frame body. The rotation stop member is attached to a second frame body so as to be freely movable in a circumferential direction of a circle around a central axis of the second frame body, and is moved to a first regulation position that regulates the rotation of the first frame body in one direction around the central axis of the second frame body and a second regulation position that regulates the rotation thereof in the of direction.