Class / Patent application number | Description | Number of patent applications / Date published |
362327000 | With reflector | 50 |
20080253132 | DISPLAY UNIT - A display unit which the view angle is limited and the front luminance is improved is provided. The display unit includes a display device, and a light guiding part which is provided to face the display device, has an incident face on the side opposing to the display device, an emitting face on the opposite side of the display device, and a reflective face on the side face, and has a cross section expanding from the incident face to the emitting face. | 10-16-2008 |
20090040770 | Light Source Reflector - A light source reflector includes a conical reflective surface, and a flat reflective surface formed on a rim of the conical reflective surface. The conical reflective surface has a plurality of unit curved surfaces with convex surfaces or concave surfaces. Also, the flat reflective surface is provided with a plurality of refraction protrusions, to improve the optical efficiency and light-mixing effect of the light source reflector. | 02-12-2009 |
20090052193 | OPTICAL DEVICE FOR LED LIGHT SOURCES - Optical device and optical component part for the targeted reproduction of light emitted by LED light sources ( | 02-26-2009 |
20090244906 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - In a method of manufacturing a display apparatus, a light reflecting layer is formed on at least one of two substrates facing each other and reflects ultraviolet rays irradiated onto the substrates. The light reflecting layer includes first and second layers that have different refractive indexes from each other and are sequentially stacked. The light reflecting layer may selectively reflect ultraviolet rays having a specific wavelength, and the specific wavelength of ultraviolet rays that are reflected by the light reflecting layer may be controlled by the refractive indexes of the first and second layers and the thicknesses of the first and second layers. | 10-01-2009 |
20090290360 | LENS WITH TIR FOR OFF-AXIAL LIGHT DISTRIBUTION - A lens for directing light from a light emitter in a preferential-side off-axial direction with respect to the emitter axis. The lens includes an emitter-adjacent base end forming an opening, an inner surface extending from the base end and forming a void, an output-end surface configured to direct light toward the preferential side, and an outer lateral surface configured for TIR to direct light toward the output-end surface, whereby substantially all light from the emitter exits the output-surface predominantly toward the preferential side. Another aspect of this invention is a recessed lighting fixture utilizing the inventive lens. | 11-26-2009 |
20100085764 | Light distribution panel having light distribution curves formed of multiple faces - Practical for use to make a road divider/reflector or a solar collector, a light distribution panel is disclosed to include four faces that can be planar or arched faces and constitute a light distribution curve to control the moving direction of light. When used in a lamp, light is evenly distributed onto the expected illumination area, avoiding formation of Gauss distribution and providing broad area illumination. When used as a road reflector, the light distribution panel provides excellent driving safety effect. When used in a solar collector system, the light distribution panel collects a wide range of incident light. | 04-08-2010 |
20100265723 | OPTICAL TRANSFORMATION DEVICE - The present invention relates to an optical transformation device, and more particularly to an optical transformation device able to transform a projected light beam from a spot light source to form rectangular projection surfaces, which primarily includes a refracting body composed of an emergent surface structured from a combination of a plurality of optical surfaces and an incident surface configured as a concave spherical surface. Two reflecting surfaces located at two sides of the meridian of the emergent surface enable the luminous flux of incoming light to completely impinge upon the refracting body, and the interactive effect from the combined optical surfaces transforms the light shape of a light beam from a spot light source, and is projected to produce an almost rectangular shaped illumination projection surface. | 10-21-2010 |
20100302786 | LENS WITH CONTROLLED BACKLIGHT MANAGEMENT - A lens for distribution of light predominantly toward a preferential side from a light emitter having an emitter axis and defining an emitter plane. The lens has an emitter-adjacent base end forming an emitter-receiving opening to an emitter-surrounding cavity defined by an inner surface which includes a front sector centered on the preferential side and a back sector centered on the non-preferential side radially opposite the preferential side. The front and back sectors differ in their respective configurations for refracting light from the emitter. The lens further includes an primary back surface positioned to receive light from at least a portion of the inner-surface back sector and configured for total internal reflection (TIR) thereof. The inner-surface back sector and the primary back surface extend along substantially elliptical cross-sections in planes substantially parallel to the emitter plane. The emitter-adjacent base end forms a back opening to a back cavity substantially centered on the non-preferential side and partially bounded by the primary back surface. | 12-02-2010 |
20110228542 | LENS STRUCTURE - A lens structure adapted for guiding a light from a light source to a plurality of directions is provided. The lens structure includes a base, a pillar, and an umbrella-shaped body. The base has a containing pit adapted for containing the light source. The pillar is connected to the base. The pillar has a central axis and a first curved surface, in which the first curved surface surrounds the central axis symmetrically. The umbrella-shaped body is connected to the pillar and has a second curved surface and a third curved surface surrounding the central axis symmetrically. The second and the third curved surfaces are located on a top portion of the umbrella-shaped body and next to each other. | 09-22-2011 |
20120033433 | ILLUMINATION LENSES - Illumination lenses having surfaces shaped according to given differential equations in order to distribute light in a highly controlled manner with minimum reflection losses are provided. These lenses also have surfaces angled and arranged in such a way that they can be molded with relatively simple molds. | 02-09-2012 |
20120081910 | Light Beam Controlling Member and Optical Device including Light Beam Controlling Member - The invention is capable of easily suppressing deterioration of light distribution characteristics caused by unnecessary light with certainty, using a design that is not difficult to manufacture, and improving efficiency of light utilization. | 04-05-2012 |
20120113653 | ILLUMINATION LENS - The present invention provides an illumination lens which suppresses a change of an illuminance distribution following a change of an arrangement position of a light source with respect to the illumination lens. A reflection surface and emission surface of the illumination lens are configured to refract and emit, in the emission surface, second illumination light and third illumination light with refracting power of different signs. By changing an illuminance distribution of third illumination light to cancel the change of an illuminance distribution of the second illumination light when a light source is moved, it is possible to suppress the change of the illuminance distribution small even when the light source is moved back and forth. | 05-10-2012 |
20120268949 | Free-Form Catadioptric Illumination Lens - 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. | 10-25-2012 |
20120300469 | Light Collector With Extended Center Lens - The present invention relates to a light collector for collecting light emitted by a light source and converting the collected light into a light beam. The light collector comprises a central lens part aligned along an optical axis of the light source where the central lens comprises a central entrance surface and a central exit surface. The light collector also has a peripheral lens part surrounding at least of part of the central lens. The peripheral lens comprises a peripheral entrance surface, a peripheral reflection surface and a peripheral exit surface. The central lens further comprises an extension part positioned between the central entry surface and the central exit surface and protrudes from the peripheral exit surface and elevates the central exit surface a distance above the peripheral exit surface. | 11-29-2012 |
20120300470 | VARIABLE SHAPED LAMP SHADE OF LED LAMP - In a variable shaped lamp shade of an LED lamp, the lamp shade is made of a translucent material matched with an LED lamp strip and a lamp holder and includes at least one strip-shaped optical refraction unit having an external refractive surface, an internal refractive surface corresponding to the external refractive surface, and an assembling structure for matching the lamp holder. The external refractive surface or internal refractive surface is a curved surface without an inflection point and the curved surface has a constant or gradually changing curvature; and a non-curved surface is formed on the other side. The variable shaped lamp overcomes the problems of conventional LED lamp strips having a low illumination and a non-uniform illumination caused by a direct projection or an installation of a conventional lamp shade, and a low light utility caused by a too-large illumination range. | 11-29-2012 |
20120314424 | LIGHT EMITTING DEVICE ASSEMBLY, SURFACE LIGHT SOURCE DEVICE, LIQUID CRYSTAL DISPLAY DEVICE ASSEMBLY, AND LIGHT OUTPUT MEMBER - A light emitting device assembly includes: a light emitting device; and a light output member provided on the light emitting element and having an upper surface on which a curved part that outputs light from the light emitting device is provided, wherein a value of a x coordinate of a curved part center axis is a positive value, a locus of an edge of a curved part forms a circle or oval around the curved part center axis, light on a Z-axis output from an origin is output from the curved part at an angle θ | 12-13-2012 |
20130021804 | LENS WITH CONTROLLED BACKLIGHT MANAGEMENT - A lens for distribution of light predominantly toward a preferential side from a light emitter having an emitter axis and defining an emitter plane. The lens has an emitter-adjacent base end forming an emitter-receiving opening to an emitter-surrounding cavity defined by an inner surface which includes a front sector centered on the preferential side and a back sector centered on the non-preferential side radially opposite the preferential side. The front and back sectors differ in their respective configurations for refracting light from the emitter. The lens further includes an primary back surface positioned to receive light from at least a portion of the inner-surface back sector and configured for total internal reflection (TIR) thereof. The inner-surface back sector and the primary back surface extend along substantially elliptical cross-sections in planes substantially parallel to the emitter plane. The emitter-adjacent base end forms a back opening to a back cavity substantially centered on the non-preferential side and partially bounded by the primary back surface. | 01-24-2013 |
20130021805 | COLLIMATING LENSES FOR LED LIGHTING SYSTEMS, LED LIGHTING SYSTEMS INCLUDING COLLIMATING LENSES, AND/OR METHODS OF MAKING THE SAME - Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED. | 01-24-2013 |
20130027949 | LIGHT HARVESTING LENS MODULE - A light harvesting lens module for collecting an ambient light includes a plurality of annular lenses. The annular lenses are arranged in order from center to outside to form a disc-structure. Each annular lens has a light-input curved surface and a light-output curved surface. The light-input curved surface is in opposition to the center. The light-output curved surface is in opposition to the light-input curved surface, and faces the center. The light is incident on the light-input curved surface, and is refracted and tend to concentrate by the light-input curved surface. Then, the light is emitted from the annular lens, and is refracted to the direction of the center by the light-output curved surface. The ambient light is able to be compressed into a point light by the lens module, so as to increase the concentration ratio and the compression ratio to further get the effective advantage. | 01-31-2013 |
20130083543 | DOUBLE REFLECTING STRUCTURE - A double reflecting structure may include a first reflecting portion reflecting light that may be emitted from a light source, and a second reflecting portion formed on one side of the first reflecting portion to reflect again the light that may be reflected by the first reflecting portion. | 04-04-2013 |
20130100679 | SIDE ILLUMINATION LENS FOR LED - A side illumination lens for a LED is disclosed. One of the embodiments includes a bottom cavity, an incident surface, four total internal reflective surfaces, and a side refractive surface. Light beam emitted by the LED enters the lens through the incident surface. A first portion of the light beam is reflected by the total internal reflection surfaces to the refractive surface and emits out of the lens. The second portion of light beam enters the lens and exits from the refractive surface. A second one of the embodiments is to roughen the side refractive surface for diffusing the exit light beams so that a broader area can be illuminated softly. | 04-25-2013 |
20130163258 | LENS FOR UNIFORM ILLUMINATION - A lens for uniform illumination for a light source includes a light guide body and a reflector. The light guide body includes a side surface, an incident surface and an emitting surface opposite to the incident surface, a trough next to the incident surface having a first wall, and a tapered space next to the emitting surface having a second wall. When the light source emits light, the light is refracted from a first wall of the trough to a second wall of the tapered space. The light is totally reflected by the second wall, travels to the side surface, and is reflected by the reflector over the second wall, then refracted at the second wall to pass through the light guide body. Therefore, the light from the light source is spread out effectively and the luminous efficiency of the light source is enhanced. | 06-27-2013 |
20130223081 | POLYHEDRAL SECONDARY OPTICAL LENS - The present invention relates to a secondary optical lens for a light emitting diode (“LED”) light projector, comprising at least one lens unit, wherein the lens unit consists of a refraction portion in the centre and a total internal reflection portion on the outer ring; the central refraction portion has a convex surface on the bottom and is attached with a plurality of micro lenses; the bottom attached with a micro lens array; the total internal reflection portion on the outer ring of the lens unit comprises a cylindrical light incident surface with a slight draft angle, and a total internal reflection surface on the outer side, which adopts a diamondoid polyhedral flake design; and the top of the lens unit is a smooth plane surface used as the light emitting surface. | 08-29-2013 |
20130265777 | OSCILLATING INTERFACE FOR LIGHT MIXING LENSES - In some aspects, an optic is disclosed that includes a light input interface having a rippled surface that can mix the light incident thereon as the light propagates within the optic from the rippled surface to a peripheral surface of the optic, which is configured to redirect the light incident thereon to an output surface through which the light exits the optic. | 10-10-2013 |
20130265778 | HIGHLY EFFICIENT LUMINAIRE HAVING OPTICAL TRANSFORMER PROVIDING PRECALCULATED ANGULAR INTENSITY DISTRIBUTION AND METHOD THEREFORE - A highly efficient luminaire. The luminaire includes a light source that emits light. The emitted light is redirected by a light transformer having a curved circular reflective interior surface, the reflective interior surface reflecting the light in a predetermined pattern. A substantial amount of light being may be reflected close to an axis coincident with a radial line defining a radius of the circular reflective interior surface. Additionally, a substantial amount of light may be reflected in a pattern with low divergency or parallel with an axis of the light transformer. The light is transmitted to the exterior of the luminaire by an optical window. | 10-10-2013 |
20130286660 | Lens and Illumination Apparatus Having the Same - A lens having a first surface ( | 10-31-2013 |
20140022797 | Lens with Controlled Backlight Management - A lens for distribution of light predominantly toward a preferential side from a light emitter having an emitter axis and defining an emitter plane. The lens has an emitter-adjacent base end forming an emitter-receiving opening to an emitter-surrounding cavity defined by an inner surface which includes a front sector centered on the preferential side and a back sector centered on the non-preferential side radially opposite the preferential side. The front and back sectors differ in their respective configurations for refracting light from the emitter. The lens further includes an primary back surface positioned to receive light from at least a portion of the inner-surface back sector and configured for total internal reflection (TIR) thereof. The inner-surface back sector and the primary back surface extend along substantially elliptical cross-sections in planes substantially parallel to the emitter plane. The emitter-adjacent base end forms a back opening to a back cavity substantially centered on the non-preferential side and partially bounded by the primary back surface. | 01-23-2014 |
20140043830 | ADAPTER LENS - An adapter lens includes an inner converging lens part; a convex light output region; a front conical light output region; an outer reflector part; a rearwardly open blind hole defining surface including a flat base surface and a frustoconical side surface that together define a light incidence region and a frustoconical hole having an inner end diameter, an outer end diameter, and allowing for longitudinal movement therein of a LED light source along an optical axis of the adapter lens within the frustoconical hole for changing a light cone emitted from the adapter lens. The adapter lens has a height H and a maximum diameter MD, and the ratio of the height H to the maximum diameter MD is greater than 0.5. | 02-13-2014 |
20140119033 | LIGHT DIRECTING FILMS - Light directing films employing at least two layers forming a continuous corrugated boundary between major surfaces of the film. Light received by a major surface of the film is internally redirected by interacting with the facets of the corrugated inter-layer boundary and is emitted from the opposing major surface towards a new propagation direction which is different from the original propagation direction by up to 90 degrees. Light directing films may have additional layers and/or layer boundaries which may provide additional bend angles to light rays or otherwise diffuse the emitted beam. | 05-01-2014 |
20140218937 | PROJECTION LENS AND OPTICAL SURFACE DETERMINATION METHOD - A projection lens includes a rear face through which light emitted from a light source enters, and a front face from which the light is emitted in front of a vehicle in a predetermined light distribution pattern. The projection lens is configured such that, upon entering the projection lens, an incoming wavefront emitted from the light source is internally reflected by a first reflection region of the front face, a first intermediate wavefront generated by the internal reflection by the first reflection region is internally reflected by a second reflection region of the rear face, a second intermediate wavefront generated by the internal reflection by the second reflection region is refracted by a refraction region of the front face, and the refracted wavefront is emitted as an outgoing wavefront. The second reflection region is an optical surface determined based on the first intermediate wavefront and the second intermediate wavefront. | 08-07-2014 |
20140218938 | LENS ASSEMBLY FOR REMOTE PHOSPHOR LED DEVICE - Lens assemblies for use in remote phosphor lighting systems, and methods of making and using them, are described. The lens assemblies typically include a lens member, a dichroic reflector attached to an outer surface of the lens member, and a phosphor layer attached to an inner surface of the lens member. The dichroic reflector reflects LED light originating from a given source point in a reference plane proximate the inner surface to a given image point in the reference plane. The phosphor layer may be patterned to cover one or more first portions of the inner surface and to expose one or more second portions, and/or the phosphor layer may be removably bonded to the inner surface. The lens assemblies can be readily combined with one or more short wavelength (e.g. blue) LEDs and other components to provide a remote phosphor lighting system. | 08-07-2014 |
20140362588 | LIGHT GUIDE LENS - This invention relates to a light guide lens adapted for guiding light emitted from a light emitting element. The light guide lens includes a base portion disposed on a light axis (L) and including a light incident surface, and a light guide portion surrounding the light axis (L) and disposed on the periphery of the base portion. The light guide portion includes an inner peripheral edge connected to the base portion, an outer peripheral edge opposite to the inner peripheral edge, and at least one light control unit connecting the inner and outer peripheral edges and having first and second light guide sections so as to form a varied light pattern. | 12-11-2014 |
20150036357 | Reflector assembly for eliminating unwanted stray lights - A reflector assembly for eliminating unwanted stray lights comprising a reflector body having a reflector body focal point on a reflector body optical axis where a light source is positioned and a front opening for receiving a lens, wherein the lens is configured to reflect light rays which emanate from the light source to strike the lens to the reflector body which is configured to reflect the light rays reflected by the lens back to the light source, and to reflect light rays which emanate from the light source and reflected by the reflector body to strike the lens back to the light source. | 02-05-2015 |
20150043222 | KIND OF OPTICAL LENS AND A KIND OF MINER'S HELMET LAMP - The embodiments of the present invention provide a kind of optical lens and a kind of miner's helmet lamp. A kind of optical lens, comprising a reflective surface and a light exit surface; wherein, in a circle with the central position of the said reflective surface as its center, at least a light distribution camber and a reflective camber are set up along the radius direction of the said reflective surface; in a circle with the central position of the said light exit surface as its center, at least a Fresnel annular surface and a surface are set up along the radius direction of the said light exit surface; the said light distribution camber is used for refracting the light incident on the said reflective surface to the said Fresnel annular surface and the said surface; the said reflective camber is used for reflecting the light incident on the said reflective camber to the said surface in collimation; the said Fresnel annular surface is used for reflecting the light incident on the said Fresnel annular surface through the said light distribution camber from the said light exit surface in collimation; the said surface is used for wholly reflecting the incident light through the said light distribution camber to the said reflective camber and for reflecting incident light through the said reflective camber from the said light exit surface in collimation. | 02-12-2015 |
20150078011 | FACETED LED STREET LAMP LENS - A lens for an LED street lamp has an external curved surface that has a concave surface portion on one side thereof. A back surface of the lens has a micro-prism array and retainer feet. A recess in the back surface receives an LED light source. The outer surface of the lens has facets or windows that provide overlapping projections of light from adjacent facets. The lens is generally cushion shaped with an indentation at one side. The lens directs light in an asymmetrical distribution transverse to the lens and to direct light symmetrically over a wide area in a longitudinal direction of the lens. | 03-19-2015 |
20150301265 | LAMINATED OPTICAL SHEET MODULE - A laminated optical sheet module includes: an upper optical sheet having a first structure pattern in which a first unit light collector having an inclined surface, the cross-section area of which decrease when progressing upwardly, is continuously repeated; and a lower optical sheet laminated beneath the upper optical sheet and having a second structure pattern in which a second unit light collector having an inclined surface, the cross-sectional area of which decreases when progressing upwardly, is continuously repeated. The vertical distance between the lowermost portion and the uppermost portion of the second unit collector is greater than the vertical distance between the lowermost portion and the uppermost portion of the first unit collector. The surface area of the inclined surface of the second unit collector is relatively larger than the surface area of the inclined surface of the first unit collector. | 10-22-2015 |
20160076732 | OPTICAL LENS, LIGHT EMITTING DEVICE, AND LIGHTING DEVICE HAVING THE SAME - Disclosed is an optical lens. The optical lens includes a bottom surface having a recess part at center thereof; a light exit surface provided in opposite to the bottom surface and having a convex curved surface; an outer sidewall connected between the bottom surface and the light exit surface; a recess portion recessed toward the bottom surface; and a convex portion provided between the recess portion and the light exit surface. The recess part is convexly recessed in a direction of the recess portion. The recess portion includes a first to third total-reflection surface having curvatures different from each other. The convex portion is protruded inwardly from an inflection point between the convex portion and the light exit surface. | 03-17-2016 |
362328000 | Reflector separate from refractor | 8 |
20090129097 | SIDE-EMITTING LENS FOR LED LAMP - A side-emitting lens for use with an LED lamp provides a distribution of emitted light that is substantially normal to an axis of symmetry of the lens; the light can also be symmetrical with respect to a plane normal to the lens axis. The lens has a cavity in which the LED lamp can reside, having a cavity refracting surface with a central section and a stepped cavity sidewall. The lens also has a base external refracting surface surrounding the cavity, an internal reflecting surface spaced apart from the cavity, and a side surface; these surfaces redirect light that enters the lens through the cavity refracting surface. For many applications, the lens axis is vertical in service and the lens is configured to provide a narrow distribution of light in the horizontal plane. | 05-21-2009 |
20120140488 | Optically Efficient Notification Device For Use In Life Safety Wall Strobe Applications - A wall notification device described herein can draw a lower current by providing a more efficient reflector configuration. The reflector is designed to be positioned on a wall and provide sufficient light output in each of the requisite directions, as required by the UL 1971 standard. The notification device has a reflector unit having a base having a curved portion centered on the vertical axis and a flat portion extending from the curved portion; a reflective flange extending from a location near a top side of the base; a first and second specular protrusion extending from the curved portion of the base; a third and fourth specular protrusion extending from the base; a fifth and sixth specular protrusion extending from the curved portion of the base; and a sixth and seventh specular protrusion extending form the flat portion of the base. | 06-07-2012 |
20120300471 | Light Diffusion and Condensing Fixture - Certain embodiments may include system apparatus for providing optical film lens assemblies, light fixtures, and film tensioning frame. According to an example embodiment, a lens assembly is configured for modifying light from a light source associated with a light fixture enclosure, wherein the lens assembly is characterized by one or more optical films that are characterized by at least one or more lenticular surfaces. The lens assembly is further characterized by a curved plane. According to an example embodiment, a film-tensioning frame is characterized by a frame with four corners, wherein one or more film sheets are attached to the top or bottom of the frame at least at the four corners of the frame, and wherein the one or more film sheets are tensioned on the frame by elastic potential energy imparted into the frame before attachment of the one or more film sheets. | 11-29-2012 |
20130039076 | Layered Dimmer System - A dimmer wheel which is formed to absorb large amounts of light and to disperse the light that is absorbed. The dimmer wheel has a bottom surface that is irregular, and a reflective material in that bottom surface to scatter the light. A light absorbing material also receives some of the light. | 02-14-2013 |
20130308322 | Optically Efficient Notification Device for Use in Life Safety Wall Strobe Applications - A wall notification device described herein can draw a lower current by providing a more efficient reflector configuration. The reflector is designed to be positioned on a wall and provide sufficient light output in each of the requisite directions, as required by the UL 1971 standard. The notification device has a reflector unit having a base having a curved portion centered on the vertical axis and a flat portion extending from the curved portion; a reflective flange extending from a location near a top side of the base; a first and second specular protrusion extending from the curved portion of the base; a third and fourth specular protrusion extending from the base; a fifth and sixth specular protrusion extending from the curved portion of the base; and a sixth and seventh specular protrusion extending form the flat portion of the base. | 11-21-2013 |
20140104852 | LED HOMOGENIZER - One embodiment of an optical system described herein comprises a source including light emitting diode chip and a homogenizer. One embodiment of the homogenizer comprises an entrance face positioned to receive light from the source, the entrance face having a first shape, a body configured to homogenize the received light and an exit face, the exit face parallel to the primary emitting face of the source. The homogenizer can emit light with a half angle that is at least 80% of the half angle of light entering the homogenizer. | 04-17-2014 |
20160040840 | LIGHTING FIXTURE OF THE WALL WASHER TYPE - Lighting fixture of the wall washer type adapted to light a wall in an effective and as uniform as possible manner, without producing light spots on the wall itself and minimizing possible glares to users attending the lighted rooms. The lighting fixture according to the present invention introduces a structure comprising point-like lighting sources ( | 02-11-2016 |
20160091150 | OPTICAL DEVICES FOR LIGHT MIXING - An optical device includes a lower surface that is substantially transparent. The optical device further includes an upper surface disposed opposite the lower surface and having a first specular layer disposed thereon. The optical device further includes a first lateral surface extending between the lower surface and the upper surface and having a second specular layer disposed on at least a portion thereof. | 03-31-2016 |
362329000 | Enclosure type | 5 |
20090067179 | OPTICAL DEVICE FOR LED-BASED LAMP - An optical device for coupling the luminous output of a light-emitting diode (LED) to a predominantly spherical pattern comprises a transfer section that receives the LED's light within it and an ejector positioned adjacent the transfer section to receive light from the transfer section and spread the light generally spherically. A base of the transfer section is optically aligned and/or coupled to the LED so that the LED's light enters the transfer section. The transfer section can comprises a compound elliptic concentrator operating via total internal reflection. The ejector section can have a variety of shapes, and can have diffusive features on its surface as well, including a phosphor coating. The transfer section can in some implementations be polygonal, V-grooved, faceted and other configurations. | 03-12-2009 |
20100128489 | LED DEVICE FOR WIDE BEAM GENERATION - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 05-27-2010 |
20130314927 | SECONDARY OPTICAL LENS FOR LAMP - A secondary optical lens for a lamp is provided, in which the length of one of two axes passing the center of the bottom surface of the lens has minimal value and the projection surface is formed integrally in a three dimensional shape similar to the bottom surface wherein uniform light distribution with at least one curvature point is realized to resolve public nuisance due to stray light and dazzling in diverse indoor and outdoor environments. In addition, the brightness of lighting and energy efficiency may be improved through uniform lighting distribution. Moreover, the bottom surface of the lens and the projection surface can be fabricated with single molding process, so manufacturing process may be simplified and production cost saving is available. | 11-28-2013 |
20140112003 | METHODS AND APPARATUS RELATED TO AN OPTICAL LENS FOR A LED - Methods and apparatus for an optical lens ( | 04-24-2014 |
20160116723 | A LIGHT GUIDE FOR MODIFYING A LIGHT DISTRIBUTION PATTERN - A light guide ( | 04-28-2016 |