Class / Patent application number | Description | Number of patent applications / Date published |
362335000 | Curved lens type | 59 |
20090016070 | LIGHTING DEVICE - The present invention relates to a lighting device including at least a light source (LS) for emitting light rays and means for guiding said light rays on a projection plane (PP). The guiding means are formed by a lens (OD) presenting a cylindrical portion (CYL) extending along an axis (AX) perpendicular to said projection plane and at least a convex shaped surface (CSH) extending at an extremity of said cylindrical portion. The convex shaped surface is adapted to direct a portion of the light rays emitted from said light source towards said projection plane. The invention enables to project the light towards a projection plane quasi parallel to the beam direction without using any guiding means on the projection plane itself. This solution is consequently relatively compact. | 01-15-2009 |
20090268471 | LENS DEVICE AND ILLUMINATION APPARATUS HAVING THE SAME - A lens device used for an LED package includes a base portion, and a refracting portion formed on the top face of the base portion. A recess corresponding to the refracting portion is formed on the bottom face of the base portion. At least one notch connecting with the recess is also formed on the bottom face of the base portion. A surface of refracting portion is provided as a non-spherical convex surface. An indent is formed on the center of the non-spherical convex surface. The light emitted from the LED package is directed toward lateral side, and the angular intensity distribution has an asymmetrical batwing shape, so as to obtain an illuminating apparatus with uniformly illumination. | 10-29-2009 |
20090323356 | ILLUMINATING DEVICES USING SMALL PT SOURCES INCLUDING LEDS - In one form, there is a luminaire for providing uniform color and brightness from multiple small light sources, which includes a shallow plate of transparent material having a first surface which is substantially flat, and a second surface which includes patterned planes acutely disposed to the first surface. Each second surface is adjacent to an entry face into which light from the multiple small light sources is projected into the plane. | 12-31-2009 |
20100039827 | Secondary Optic Lens - A secondary optical lens ( | 02-18-2010 |
20100073937 | Lens body equipped with a light emitting device capable of generating two-side illumination - A two-side illuminating lens body mainly projecting light from a light emitting device to two relative outer directions includes a base with a receiving slot having a downwards opening for receiving a lighting device. A concave arc for receiving the light emitting portion of the lighting device is formed above the receiving slot as a light incident side. On a top surface of the base, two symmetrical non-spherical protrusions are jointly arranged beside a center light axis. A concave curved surface is formed to a border of the two non-spherical protrusions. Two symmetrical awl laterals are formed on relative outer edges of the non-spherical protrusions. Through three different refracting types of the concave curved surface, non-spherical protrusions, and awl laterals, rays from the light emitting device will be gradually diffused away from the center light axis so that a double-side skew light distribution of illumination like a butterfly is projected. | 03-25-2010 |
20100073938 | Two-side asymmetric light-shift illuminating lens body - A two-side asymmetric light-shift illuminating lens body mainly projecting light from a light emitting device to two asymmetric relative outer directions includes a base having a receiving slot with a downwards opening for receiving a lighting device; a large non-spherical protrusion and a small a large non-spherical protrusion being arranged on two sides of a center light axis on a top surface of the base; a concave curved surface being formed to a border of the two non-spherical protrusions; a concave arc is formed above the receiving slot, outer edge of each non-spherical protrusion being formed with an awl lateral. The awl laterals are gradually narrowed along the projecting direction of the center light axis. An angle between a tangent line of the awl lateral and the center light axis is about 10 degrees. | 03-25-2010 |
20100188858 | LIGHT REDIRECTING FILMS AND FILM SYSTEMS - Light redirecting film comprises a thin optically transparent substrate having a pattern of individual optical elements of well defined shape on or in at least one surface that are quite small relative to the length and width of the surface. At least some of the optical elements have at least one flat surface and at least one curved surface and may intersect each other to a greater extent on the curved surface than on the flat surface to increase the relative percentage of flat surface area to curved surface area of the intersecting optical elements. | 07-29-2010 |
20100232166 | LED illumination lens - An LED illumination lens can guide light from light emitting diodes (LEDs). The incident surface and transmission surface of the lens are a part of an elliptical shape. The present invention makes an optical lens which provides that light is refracted twice by the LED illumination lens, and the output light is more uniform and present a long elliptical output light. The curve surface of the transmission surface is selected from elliptical surfaces, rectangular surfaces, square shape surfaces, round surfaces and rectangular surfaces with a cut corner, and polygonal surfaces. An LED illumination lens serves to refract the light beam from the LED by the incident surface and then disperse by the transmission surface 12 into a slender and long elliptical light beam. | 09-16-2010 |
20110058380 | Optic lens assembly - An optic lens assembly includes a platform, and an optic lens including an incident surface and a projection surface on two opposite sides is arranged to an outer side of the platform. The incident surface consists of a plurality of oval-shaped surfaces. A first oval-shaped incident surface and a second oval-shaped incident surface are formed side by side to the incident surface. The two adjacent oval-shaped incident surfaces are concave for receiving an illuminating component. The projection surface also consists of a plurality of oval-shaped surfaces. A first oval-shaped projection surface and a second oval-shaped projection surface are formed side by side to a center area of the projection surface. Two symmetric outer connecting surfaces are formed to two lateral sides of the projection surface. The two adjacent oval-shaped projection surfaces are convex and larger than the incident surface. | 03-10-2011 |
20110080745 | OPTICAL LENS - The invention discloses an optical lens for a light-emitting device. The optical lens includes a translucent body which has a concave inner surface to which light is incident. The inner surface includes a first region and a second region opposite to the first region. The first region and the second region are both substantially straight planes and extend inclinedly from the edge of the inner surface to the center of the inner surface respectively, so as to connect with each other. Thereby, the optical lens of the invention is capable of contributing to an elliptic light field. | 04-07-2011 |
20110164426 | Free-Form Lens Design to Apodize Illuminance Distribution - A lens that angularly redistributes light from an LED is disclosed. The desired illuminance (power per area) pattern for an LED/lens combination has a relatively flat center, a knee, and a gradual tail. By overlapping adjacent combinations' tails, the resulting illuminance pattern may be generally uniform, with relatively loose tolerances on LED/lens placement and performance. The lens has a proximal face with a concave spherical indentation with its center at the light source. The lens's distal face has a “center thickness” (CT) on-axis, a peak thickness away from a longitudinal axis of about 1.0 to 1.2 times the CT, a radius at which the peak thickness occurs of about 0.5 to 1.0 times the CT, a radius at which the thickness returns to the CT of about 1.1 to 1.5 times the CT, and a radius (maximum lateral extent) of the lens of about 1.6 to 1.9 times the CT. | 07-07-2011 |
20110317432 | LIGHT-EMITTING DIODE LENS - A light-emitting diode (LED) lens for covering a LED light source includes a lens body made of a transparent material. The lens body has a light-exit surface and a light-entrance portion. The light-exit surface is configured along the longitudinal direction into a pair of convex surface areas and a concave surface area interconnecting the convex surface areas. The concave surface area has minimum dimensions smaller than maximum dimensions of each of the convex surface areas along first and second transverse directions. The light-entrance portion is adapted for receiving the LED light source, and has a light-incident surface. The light-incident surface has a pair of end portions opposite to each other along the longitudinal direction and extending inclinedly away from the light-exit surface and away from each other. | 12-29-2011 |
20120014116 | Light-Transmissive Shell Capable Of Intensifying Illuminant And Wide-Angle Light Transmission - A light-transmissive shell capable of intensifying an illuminant and wide-angle light transmission includes a lens body and an extension portion integrally extended from the lens body in a vertical direction or at an acute angle to the vertical direction. The lens body includes an outer top surface structured as a convexity and an inner bottom surface structured as a flat surface or an inner concavity. The extension portion includes an inner surface extending around from the inner bottom surface of the lens body. An arcuate surface is formed as a joint between the inner bottom surface of the lens body and the inner surface of the extension portion. The light emitted by an illuminant is intensified through the lens body and guided into a wide-angle light through the extension portion. | 01-19-2012 |
20120120667 | Light emitting device for a drum of a household appliance - A household appliance light emitting device has a light diode that emits a light beam having a cross-section area and a light deflection device through which the light beam travels and that deflects the entering light beam such that the light beam exits asymmetrically to the optical axis of the household appliance light emitting device from the light deflection device. The light deflection device is designed integrally with a housing where the light diode is arranged. | 05-17-2012 |
20120170280 | ILLUMINATION APPARATUS USING A SOLID STATE SOURCE AND A THICK COMPOSITE MOLDED LENS - A composite high sag thick lens for automotive lighting is used in conjunction with a solid state illumination source, such as a white LED. The composite high sag thick lens is made of a first lens section having an optical active curve surface and a series of elongated baffles, the baffles having a top portion, the top portions defining a line that follows the curvature of the active surface to create an upper lens portion of uniform thickness. A second lens section is fused to the first lens section to create the composite lens. The second lens has an optical active surface and a series of elongated baffles the baffles having a thickness comparable to the thickness of the corresponding optical active surface. The first and the second plurality of baffles are intertwined along the entire length of their lateral surfaces. | 07-05-2012 |
20120170281 | OPTICAL LENS, OPTICAL LENS MODULE, AND METHOD FOR FORMING CURVED SURFACE OF OPTICAL LENS - An optical lens includes a first curved surface and a second curved surface. The first curved surface is for receiving a light ray, and includes a first curve, a second curve, a first symmetrical curve and a second symmetrical curve disposed on a first plane, and a third curve and a fourth curve disposed on a third plane. The second curved surface is opposite to the first curved surface, and includes a fifth curve, a sixth curve, a fifth symmetrical curve and a sixth symmetrical curve disposed on the first plane, and a seventh curve and an eighth curve disposed on the third plane. The first plane is perpendicular to the third plane, and the curvatures of all the curves are controlled by a weight factor, so that the light ray is emitted onto a preset area through the optical lens. | 07-05-2012 |
20120206924 | LASER LIGHT SHAPING OPTICAL SYSTEM - A laser light shaping optical system | 08-16-2012 |
20120230038 | LENS, MOLD FOR LENS AND METHOD FOR MACHINING MOLD - A lens used for a line generating optical system is provided, wherein X-axis is defined in longitudinal direction of the generated line, Y-axis is defined in width direction and Z-axis is defined in direction of the optical axis and wherein the lens has an optical surface which does not collimate the light in X-axis direction and which collimates or collects the light in Y-axis direction alone, inclination of direction of transferred tool mark with respect to X-axis being from 40 to 50 degrees in an area of 80% or more of the optical surface. | 09-13-2012 |
20120268950 | Wide-Angle Non-Imaging Illumination Lens Arrayable for Close Planar Targets - An illumination lens for hemispherically emitting light emitting diodes is disclosed that produces a circular illumination pattern of wide extent on a relatively close target. Exemplary applications are in commercial refrigerator-case lighting and in LED backlights for liquid crystal displays. This illumination lens is designed to be installed in arrays, such that the multiple patterns overlap to sum up to a nearly uniform illumination pattern. The individual lens produces an illumination ramp which monotonically declines to zero at or close to the location of the adjacent lens in the array. Design methods are disclosed whereby this illumination ramp is translated into a source-image size function that is the basis for generating any particular lens. Preferred embodiments include a cusp at the center of the outer surface. Design methods are disclosed for numerically generating the lens surfaces for any particular combination of array spacing and target distance. | 10-25-2012 |
20120287649 | LIGHT DIRECTING APPARATUS - A light directing apparatus includes an optical substrate having a first side and a second side, a compound lens outer surface on a first portion of the first side of the optical substrate, the compound lens outer surface disposed in optical communication with the second side of the optical substrate, a first protrusion on a second portion of the first side of the optical substrate, the first protrusion disposed proximate the compound lens outer surface, and disposed in optical communication with the second side of the optical substrate, and a second protrusion on the second portion of the first side of the optical substrate, the second protrusion disposed proximate the first protrusion, and disposed in optical communication with the second side of the optical substrate. | 11-15-2012 |
20120314425 | TURN LAMP UNIT - A turn lamp unit has a substrate holding unit for use when assembling a rigid substrate equipped with a lamp to a base member. This substrate holding unit comprises a board-like substrate mount rising from a bottom face on the inner face side of the base member; a pair of elastic pressers, which rise from a flat part of the substrate mount and are arranged so as to oppose each other in a width direction of the base member (i.e., a vertical direction in the state where the turn lamp unit is mounted to a door mirror), for pressing the front face of the rigid substrate by elasticity and thereby holding the rigid substrate at the substrate mount; and a projection, disposed on the substrate mount between the pair of elastic pressers, for abutting against the rear face of the rigid substrate. | 12-13-2012 |
20130058104 | FACETED OPTICS FOR ILLUMINATION DEVICES - Faceted optics for use in conjunction with (typically planar) arrangements of discrete light sources (e.g., an array of multiple LED dies) improve or optimize the trade-off between beam divergence and beam non-uniformity, and between non-uniformities resulting from the imaging of the extended light source and artifacts introduced by the optic itself. | 03-07-2013 |
20130107544 | LENS AND LIGHT EMITTING APPARATUS HAVING THE SAME | 05-02-2013 |
20130135876 | EXTENDED LED LIGHT SOURCE WITH COLOR DISTRIBUTION CORRECTING OPTICS - A shaped lens is provided for use with a white light LED device to produce a light pattern on a surface; the lens being shaped to produce a substantially uniform color in the light pattern by compensating for color variation versus elevation angle produced by the LED device. The shaped lens has two-axis orthogonal symmetry and an outer surface divided into a top portion and a side portion separated by a circumferential boundary portion. The top portion and the side portion each have a generally vertically convex surface and the circumferential boundary portion has a discontinuity in curvature providing a substantially vertical portion between the top and side portions. | 05-30-2013 |
20130176740 | LENS DEVICE FOR FOCUSING OR DIFFUSING LIGHT BEAMS - A lens device for focusing or diffusing light beams includes a lens body having a flat sheet, a first convex lens extruded away from one end of the flat sheet, a second convex lens extruded away from another end of the flat sheet, the distance between an apex of the first convex lens and the center of the bottom of the first convex lens being larger than the distance between an apex of the second convex lens and the center of the bottom of the second convex lens. Although the surface of the first convex lens is not flawless after the compression molding and light beams cannot be refracted uniformly by the first convex lens, the second convex lens refracts the light beams for pre-adjusting before the light beams are refracted by the first convex lens. | 07-11-2013 |
20130188365 | OPTICAL LENS AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an optical lens made of a molded product of a resin composition obtained by nano-dispersing a thermally conductive filler in a transparent resin, a content of the thermally conductive filler being 1 wt % or more based on a weight of the molded product, and the thermally conductive filler being nano-dispersed so that a total light transmittance of 30% or more is achieved when the molded product has a thickness of 2 mm, and a method for manufacturing the same. The optical lens according to the present invention has high transparency, improved resistance to heat and aging, high surface hardness, and improved lightfastness that can meet recent demands. | 07-25-2013 |
20130201693 | ANTI-GLARE LENS - An anti-glare lens assembly includes a lens and a frame. The lens includes a lens portion and a mounting portion coupled to a circumference of the lens portion. The frame includes a sidewall structure coupled to the lens and a hollow cavity that is surrounded by the sidewall structure to expose the lens portion. The sidewall structure has a wall surface on which at least one anti-glare region is formed. The sidewall structure is provided with a counterpart mounting portion mating the mounting portion in order to couple the frame and the lens together so that when light passes through the lens portion, a portion of the light that is reflected outward by a circumferential portion of the lens portion is homogenized by the anti-glare region to thereby reduce occurrence of glare caused by secondary refraction of the light. | 08-08-2013 |
20130201694 | High Temperature Moldable Lens, Lighting Device Comprising Lens and Method Making Lighting Device - The present invention relates to a A lens configured to a lighting device, comprising an optical part ( | 08-08-2013 |
20140078748 | LIGHT DIRECTING APPARATUS - A light directing apparatus includes an optical substrate having first and second sides, a compound lens outer surface (CLOS) on a first portion of the first side, and first and second protrusions on a second portion of the first side. The CLOS is in optical communication with the second side, the CLOS having mirror image symmetry about a medial plane that contains a centerline of the CLOS. The first protrusion is disposed proximate the CLOS, and in optical communication with the second side. The second protrusion is disposed proximate the first protrusion, and in optical communication with the second side. The first protrusion is disposed between the second protrusion and the CLOS. The first and second protrusions each have a curved apex such that first and second planar section cuts through the optical substrate perpendicular to the medial plane cut twice through each curved apex. | 03-20-2014 |
20140104853 | OPTICAL LENS FOR LIGHTING FIXTURE - An optical lens for lighting fixture includes a body, which comprises a bottom surface and a light-exit surface at opposing bottom and top sides thereof, an elongated groove formed in the bottom surface, a light incident surface, a first intersection line and a second intersection line respectively connected between the two ends of the elongated groove and the bottom surface, a first line segment and a second line segment respectively connected between the light incident surface and the bottom surface, a first virtual line defined between the two ends of the first line segment, a first distance that is the shortest distance between the two ends of the first intersection line, and a SAGi that is the shortest distance between any point at the first line segment and the first virtual line and satisfies the equation: 0≦|SAGi/first distance|×100≦2.8. | 04-17-2014 |
20140160768 | OPTICAL LENS FOR FORMING SQUARE LIGHT PATTERN - An optical lens for forming a square light pattern includes a lens body, having a light-exit surface at the top of the lens body, an incident surface at the bottom of the lens body, and a containing space concavely formed at a center position of the incident surface for containing a light emitting source, and an edge line of the incident surface is enclosed into a geometric square pattern, and a corner of the geometric square pattern is designed in an arc shape, so that after a light emitted from the light emitting source passes through the lens body, the light is projected to a target projection surface to show a square light pattern, and the optical lens can be applied to a backlight module to provide a full-screen uniform light intensity of illuminated areas. | 06-12-2014 |
20140168998 | LENS STRUCTURE OF A LIGHT EMITTING DIODE - A lens structure of a light emitting diode (LED) is provided, which includes a body. An outer surface of the body is formed by connection of an edge of a light input surface and an edge of a light output surface. A recess is formed convergently on the central part of the light input surface toward the light output surface. A divergent plane is formed on the end position of the recess. The divergent plane is a round surface with a radius of 0.05 mm to 1 mm. The divergence of the central light emitting from the LED is reinforced via the light output surface, and the amount of the central light emitting from the LED is limited by the area of the divergent plane. Accordingly, the difference of luminous intensity between the central part and the edge of the lighting area can be improved, thereby providing effects of uniform illumination. | 06-19-2014 |
20140268818 | LED Light Engine for Signage - A durable LED light engine includes an printed circuit board including LEDs mounted thereon positioned between a substantially U-shaped top enclosure and a bottom enclosure. Once assembled together using alignment holes and projections, the open spaces in the combination of the substantially U-shaped top enclosure, the printed circuit board and the bottom enclosure are filled with a plastic sealant. Once cooled, the plastic sealant holds the combination of the substantially U-shaped top enclosure, the printed circuit board and bottom enclosure together. | 09-18-2014 |
20140293619 | HOUSING FOR AN ILLUMINATING APPARATUS AND AN ILLUMINATING APPARATUS HAVING THE HOUSING - A housing for an illuminating apparatus may include: two housing portions assembled together, and a transparent cover, the two housing portions and the transparent cover jointly defining a cavity, wherein a transparent separator is provided in the cavity for separating the cavity into an assembling cavity and an isolated cavity sealed with respect to each other, wherein the assembling cavity is configured to mount a plurality of lighting assemblies of the illuminating apparatus, and the isolated cavity is defined jointly by the transparent cover and the separator. | 10-02-2014 |
20140328069 | OPTICAL LENS - Disclosed is an optical lens having an incident surface on which the light emitted from a light emitting diode is incident and having a concave portion into which the light is received and an emitting surface emitting the light incident on the incident surface therethrough, the optical lens including: a plurality of refraction prevention portions protruded unitarily from the emitting surface to allow the light around a light axis emitted through the emitting surface to travel straight, without having any refraction, each refraction prevention portion having an orthogonal surface formed thereon to the advancing direction of the light incident through the incident surface. | 11-06-2014 |
20140362589 | LENS - A lens includes a base and a protrusion formed on the base. The base defines a light incident face in a bottom face thereof. The protrusion forms a light emerging face at an outside face thereof. The light emerging face includes a freeform face, a first side face, a second side face, a third side face and a fourth side face. The freeform face, the first side face and the second side face diverge light along a first direction, and the freeform face, the third side face and the fourth side face converge light along a second direction. Thus, a rectangular light pattern is obtained. | 12-11-2014 |
20140376235 | LENS WITH DIFFERENT LAYERS AND METHOD MAKING THE SAME - A lens includes a first optical layer, a second optical layer and a third optical layer sequentially stacked. The third optical layer has a light refractive index larger than that of the second optical layer, and the second optical layer has a light refractive layer larger than that of the first optical layer. A method for making the lens is also provided. | 12-25-2014 |
20150023028 | LENSES FOR COSINE CUBED, TYPICAL BATWING, FLAT BATWING DISTRIBUTIONS - A lighting apparatus with uniform illumination distribution, according to various embodiments, can include a lens for area lighting. In one embodiment, the lens comprises a plurality of cross-sections identified by a thickness ratio defined at different angles. The thickness ratio is determined relative to the thickness of the cross-section defined at a center angle of the lens. In another embodiment, the lighting apparatus with uniform illumination distribution includes a lens having an inner surface and an outer surface. A profile of the inner surface and the outer surface is composed of a plurality of piecewise circular arcs defined with radii and circle centers. The lens is formed as a complex curve lens by joining the piecewise circular arcs of the inner surface and the outer surface. | 01-22-2015 |
20150117031 | LENS WITH DISCONTINUOUS SUB-LIGHT EMERGING FACES - A lens includes a bottom face, a light incident face defined in the bottom face, a light emerging face opposite to the bottom face and a lateral face connecting the light emerging face with the bottom face. An optical axis extends through centers of the light incident face and the light emerging face. The light emerging face includes a plurality of sub-light emerging faces discontinuous from each other. Each sub-light emerging face has a concave face adjacent to the optical axis, and a convex face away from the optical axis. | 04-30-2015 |
20150117032 | OPTICAL ELEMENT AND METHOD FOR MANUFACTURING THE SAME - An optical element includes a lens and a light diffusion layer formed on the lens. The lens includes a light incident face and a light emerging face. The light emerging face includes a concave face opposite to the light incident face and a convex face surrounding the concave face. The convex face is covered by the light diffusion layer. The concave face is exposed outside the light diffusion layer. A method for manufacturing the optical element is also disclosed. | 04-30-2015 |
20160102837 | EXTENDED LED LIGHT SOURCE WITH OPTIMIZED FREE-FORM OPTICS - A shaped lens for use with an LED device to produce a rectangular light pattern on a surface; wherein the LED device comprises a square extended area LED emitting surface (an emitter greater than 1 mm square). A refracting surface of the lens extends upward from a horizontal x-y plane having the square emitter extending horizontally and centered at the x-y-z origin, wherein the lens surface exhibits both two-axis orthogonal symmetry and 180 degree rotational symmetry about the central z-axis; and wherein the lens surface profile around the periphery of any horizontal section is generally rectangular with obtuse corner angles and is generally convex between corner angles; and further wherein the lens surface profile in any vertical section passing through the origin is generally convex upward and inward from the base plane through an apex and continuing convex downward and inward to an intermediate height end point at the z-axis. | 04-14-2016 |
20160146428 | BACKLIGHT REFRACTION LENS - A backlight refraction lens includes a body formed with an incident face and an emergent face, wherein the incident face has a raised periphery and an axis formed with an angle with an axis of the body, the angle, between the axis of the incident face and the axis of the body, set between 35 degrees to 65 degrees such that the ray light going into the body along an incident angle within 15-45 degrees is mostly projected from the emergent face after being refracted. The backlight refraction lens promotes the visibility and identification of objects on the outdoor kanban board when the outdoor kanban board is in a backlight condition such that the conventional LEDs are unnecessary to the outdoor kanban board that has a series of backlight refraction lens in accordance with the present invention mounted thereon. | 05-26-2016 |
362336000 | Including diverse refracting elements on one surface | 11 |
20100053981 | Light distribution board having multiple light gratings each with many arciform lenses - A light distribution board having multiple light gratings each with many arciform (convex or concave) lenses, the light distribution board is used on a light outputting surface of a lamp shade of an illuminating lamp set, in which at least a transparent board is provided on at least its one surface with a plurality of light gratings, each of these light gratings with many arciform lenses are strip like, annular or arc shaped light gratings in combination and arranged in steps, thus a light distribution board able to provide an effect of uniformly distributing light beams can be formed. With such a structure, light beams can be uniformly distributed and can avoid the phenomenon of Gauss distribution that makes the area below the lamp set especially bright, and can be under control to irradiate a district to be illuminated to get an effect of having wide illumination areas. | 03-04-2010 |
20100165640 | OPTICAL MEMBER OF LIGHTING DEVICE - An optical member of lighting device is revealed. The optical member consists at least one emergent surface that is a spherical surface or an aspherical surface, and at least one incident surface with a V-shaped groove or a V-shaped like groove. The V-shaped groove is formed by two symmetrical or asymmetrical slants while the V-shaped like groove is formed by a plurality of curves. Moreover, axes of the emergent surface and the incident surface can be overlapped, shift relatively, slanted relatively to each other or combinations of them. When the optical member is used in combination with at least one solid state lighting element, an asymmetrical batwing light distribution pattern that features on non-zero maximum light intensity is generated. Thus the area being emitted is with uniform luminance and the availability of light is improved. | 07-01-2010 |
20110063857 | COMPOSITE LENS PLATE - A composite lens plate is applied in a light emitting diode (LED) lighting device having a plurality of LEDs. The composite lens plate includes a plurality of refractive elements. The refractive elements are one-to-one corresponding to the LEDs and guide light emitted by the corresponding LEDs. Each refractive element has a refractive property. The refractive elements are classified into at least two types of lenses according to the refractive property. Lenses of the same type have substantially the same refractive property, and the refractive property of lenses of one type is different from the refractive property of lenses of another type. | 03-17-2011 |
20130286662 | TILING OF MULTIPLE POLYGONS FOR MICRO-LENS ARRAY - Optics and optical devices and systems are disclosed that employ a plurality of refractive and/or reflective optical elements, such as lenses and mirrors, with different shapes to achieve a desired illumination pattern. In various aspects, a plurality of lenses in which at least two of the lenses have different boundary shapes are arranged, e.g., according to a predefined pattern, to receive light from one or more light sources and to redirect the received light to form collectively a desired far-field illumination pattern. For example, the lenses can be configured such that the far-field illumination pattern has a boundary shape that is different from the boundary shape of a far-field illumination pattern that can be provided individually by the lenses. | 10-31-2013 |
20140043831 | LIGHT EMITTING DIODE AND LENS FOR THE SAME - A lens has a refractive index of n, and includes a base, a first curved circumferential surface extending from the base, a curved center-edge surface extending from the first curved circumferential surface, and a curved centermost surface extending from the curved center-edge surface. The base includes a groove for receiving a light emitting chip. A distance from a center of the base to a point of the curved center-edge surface is shorter than the radius of curvature for the point of the curved center-edge surface. The curved centermost surface has a concave shape with respect to the base. The lens satisfies A1+A2<90+sin | 02-13-2014 |
20150323141 | OPTICAL COMPONENT - An optical component includes a light-emitting surface and a bottom surface opposite to the light-emitting surface. The light-emitting surface and the bottom surface cooperatively form a negative lens portion, two first positive lens portions, and two second positive lens portions. The first positive lens portions and the second positive lens portions surround the negative lens portion and arranged in a stagger manner. The first positive lens portion have a first curvature, the second position lens portion have a second curvature smaller larger than the first curvature. | 11-12-2015 |
20160025299 | ILLUMINATION OPTICAL SYSTEM, ILLUMINATION APPARATUS, AND ILLUMINATION OPTICAL ELEMENT - An illumination optical system includes an illumination optical element that irradiates a predetermined area of an illumination target surface with light in a planar manner. The illumination optical element has an optical surface directed toward the illumination target surface. The optical surface has, in a perpendicular direction which is perpendicular to an optical axis, a plurality of refractive surfaces each of which refracts light toward the predetermined area and which are formed at a constant pitch determined by the predetermined area. | 01-28-2016 |
20160053965 | LENS FOR LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT-EMITTING DEVICE PACKAGE - Disclosed are a lens for a light-emitting device usable in a display apparatus or a lighting apparatus, and a method of manufacturing a light-emitting device package. The lens may include a lens body including a light-receiving portion provided in a lower surface of the lens body, a light-emitting portion provided on an upper surface of the lens body, and a recess provided at a center of the upper surface of the lens body, and a flat portion provided in a horizontal shape on a bottom surface of the recess perpendicularly to a main emission line of light emitted from a light-emitting device to emit at least a part of light received through the light-receiving portion, upward. A diameter of the flat portion may be 1/100 to 1/10 of an inlet diameter of the light-receiving portion. | 02-25-2016 |
20160109092 | OPTICAL ELEMENT - An optical element includes a light receiving surface | 04-21-2016 |
362337000 | Prismatic type | 2 |
20160146426 | Lens for an Illuminating Device - A lens includes a lens portion, an outer periphery and a prism portion. The lens portion is disposed at a middle portion of the lens, has an outline that is non-circular, and includes at least one curved surface. The outer periphery surrounds the lens portion. The prism portion is disposed between the lens portion and the outer periphery, and includes at least two undulated sections. Each undulated section has at least one undulated surface. | 05-26-2016 |
20160146427 | LENS FOR AN ILLUMINATING DEVICE - A lens includes a lens portion, an outer periphery and a prism portion. The lens portion is disposed at a middle portion of the lens, has an outline that is non-circular, and includes at least one curved surface. The outer periphery surrounds the lens portion. The prism portion is disposed between the lens portion and the outer periphery, and includes an undulated section that has at least one undulated surface and that has a center disposed at the middle portion of the lens. | 05-26-2016 |
362338000 | Plural elements on a curved surface | 6 |
20090027898 | TWO-LAYERED OPTICAL PLATE - An exemplary optical plate includes a transparent layer and a light diffusion layer. The transparent layer includes a light input interface, a light output surface opposite to the light input interface, and a plurality of micro-depressions formed on the light output surface. The micro-depressions are arranged along a plurality of imaginary, separate, circular arcs. Each micro-depression has at least three side surfaces connected to each other, and a transverse width of each side surface increases along a direction away from the light diffusion layer. The light diffusion layer is integrally formed in immediate contact with the light input interface of the transparent layer, and free of air or gas pockets trapped in an interface therebetween. The light diffusion layer includes a transparent matrix resin and a plurality of diffusion particles dispersed in the transparent matrix resin. | 01-29-2009 |
20110149581 | TOTAL INTERNAL REFLECTION LENS WITH INTEGRATED LAMP COVER - A total internal reflection (TIR) lens has an integrated lamp cover adapted to a lamp of a desired form factor (e.g., PAR-38). The size and shape of the TIR lens can be adapted to optimize the light output of the lamp with little regard to the desired form factor. The integrated lamp cover can extend the front surface of the TIR lens in a direction transverse from the optical axis. | 06-23-2011 |
20110280023 | LENS MODULE FOR LED LAMP - The present invention relates to a lens module for LED lamp, comprises a base installed with a first chamber and a second chamber opposite to the first chamber, the first chamber is able to be connected with a substrate, and at least one LED module is installed on the substrate; a first lens; and a second lens. With the mentioned structure, lights emitted by LED modules can be refracted by the first lens and the second lens for achieving the purpose of unifying lights. Moreover, the base, the first lens and the second lens are made of transparent material and formed with an injection molding means for lowering the production cost. | 11-17-2011 |
20140168999 | Optical Lens - The invention relates to an optical lens utilized for disposing above a light source. The optical lens has rotational symmetry relative to the central axis thereof. The central axis of the optical lens aligns with the center of the light source. The optical lens includes a bottom surface, an emergence surface with arc shape, an incidence surface with arc and concave shape, a curved surface with annular and concave shape and a light diffusing structure. The emergence surface connects a side of the bottom surface. The incidence surface connects another side of the bottom surface and lies in the middle of the bottom surface. The curved surface lies on the bottom surface and connects the incidence surface. The light diffusing structure is disposed on the curved surface. The invention improves the distribution of light projected on a light receiving surface and prevents a bright circle formed on the light receiving surface as a result of a gap that is formed by assembly tolerance of the optical lens and the light source. | 06-19-2014 |
20140218939 | ZOOM LENS WITH MULTI-LAYERS FOR ILLUMINATION - The zoom lens with multi-layers for illumination mainly comprises a lens body that has at least one free curved surface on a side. The free curved surface is designed to be multiple zoom curved surfaces with multiple layers. Besides, one side of the curved surface is designed to be oblique and the other side is arc surface. Hence, the curved surface can be divided into multiple patterns with multiple focuses through the various combinations of complex free curved surfaces. Furthermore, the control of the luminance and projection angle can be achieved by the various combinations of zooming and focusing on the curved surfaces, | 08-07-2014 |
20160003442 | LENS FOR LIGHT-EMITTING DIODE, BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING SAME - The present invention relates to a lens for a light-emitting diode, and to a backlight unit and display device including same, and more particularly, to a lens for a light-emitting diode (LED), which is disposed on the LED to uniformly diffuse the light emitted from the LED and which is reduced in overall volume as well as in luminance deviation in the vicinity of the optic axis of the LED due to Fresnel reflection, and to a backlight unit (BLU) and display device including same. | 01-07-2016 |