Curved Lens Type Patents (Class 362/335)
  • Patent number: 10845024
    Abstract: A luminaire includes a receiving element for a rotationally symmetrical glass body with a receiving opening, a rotationally symmetrical glass body arranged in the receiving opening and an annular, permanently elastic element arranged between the receiving element and the glass body, wherein the receiving element is formed with a support surface which is inclined towards the glass body and the glass body is formed with a receiving surface diametrically opposite to the support surface. The permanently elastic element is positioned in the installed state between the support surface and the receiving surface in order to fix the receiving element and the glass body positively and concentrically to each other. An annular gap is provided between glass body and receiving element for introducing the annular, permanently elastic element between support surface and receiving surface. A method for fastening the glass body in the receiving element is provided.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: November 24, 2020
    Assignee: GLASHÜTTE LIMBURG LEUCHTEN GMBH + CO. KG
    Inventor: Thomas Schneider
  • Patent number: 10830396
    Abstract: An light bulb includes a bulb housing, a heat sink, and a head housing arranged in series along a longitudinal axis of the light bulb. The light bulb includes a first filament having a first LED chip capable of emitting a first light with a first color characteristic, and a second filament having a second LED chip capable of emitting a second light with a second color characteristic. The first filament and the second filament are spiral along a transverse axis perpendicular to the longitudinal axis of the light bulb. The light bulb further includes a driving module configured to enable one or a combination of the first filament and the second filament to emit light.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: November 10, 2020
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Liangliang Cao, Yuxin Huang
  • Patent number: 10782532
    Abstract: There is provided an optical system, including a light-transmitting substrate (20) having at least two external major surfaces and edges, an optical element for coupling light waves into the substrate (20) by internal reflection, at least one partially reflecting surface located in the substrate (20), for coupling light waves out of the substrate (20), at least one transparent air gap film (110) including a base (112) and a hyperfine structure (111) defining a relief formation, constructed on the base, wherein the air gap film is attached to one of the major surfaces of the substrate (20), with the relief formation facing the substrate (20) defining an interface plane (58), so that the light waves coupled inside the substrate (20) are substantially totally reflected from the interface plane (58).
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 22, 2020
    Assignee: Lumus Ltd.
    Inventors: Yaakov Amitai, Yuval Ofir, Elad Mor
  • Patent number: 10728968
    Abstract: The invention provides a lighting device (100) comprising a plurality of light source packages (110) each light source package (110) comprising a light source (10) and a polarizer (20) configured to polarize light source light (11) of said light source (10), wherein the light source packages (110) are individually controllable, wherein the light source packages (110) are configured to provide polarized light source light (11) with at least two different polarization states (p1,p2), and wherein the light source packages (110) share a light exit window (120) for escape of the light source light (11) from said lighting device (100).
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: July 28, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Norbertus Antonius Maria Sweegers, Marc Andre De Samber, Hugo Johan Cornelissen
  • Patent number: 10690292
    Abstract: A light bulb includes a bulb housing, a heat sink, and a head housing arranged in series along a longitudinal axis of the light bulb. The light bulb includes a first filament having a first LED chip capable of emitting a first light with a first color characteristic, and a second filament having a second LED chip capable of emitting a second light with a second color characteristic. The first filament and the second filament are spiral along a transverse axis perpendicular to the longitudinal axis of the light bulb. The light bulb further includes a driving module configured to enable one or a combination of the first filament and the second filament to emit light.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: June 23, 2020
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Liangliang Cao, Yuxin Huang
  • Patent number: 10591132
    Abstract: An LED light unit comprises a support portion, a light source having at least one LED, the light source being arranged on the support portion and having a source-side light intensity distribution (LISS), and a refractive optical element having an inner surface and an outer surface, with at least one of the inner surface and the outer surface being non-spherical, the refractive optical element being arranged over the light source and being attached to the support portion.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: March 17, 2020
    Assignee: GOODRICH LIGHTING SYSTEMS GMBH
    Inventors: Anil Kumar Jha, Christian Schoen, Andre Hessling von Heimendahl
  • Patent number: 10539730
    Abstract: An illumination device comprising a plurality of solid state light sources and a concentrating wave length converter arranged to inject light from said light sources through at least one entrance surface and to extract wave length converted light from at least one exit surface, comprising a structured layer provided on said exit surface, said structured layer having a structure period less than 5 micrometers, thereby enabling out-coupling through the exit surface by a combination of refraction and diffraction. In a situation where the angle of incidence on a surface is within a limited range, a combination of refraction and diffraction may provide a superior out-coupling from that surface.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: January 21, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Dirk Kornelis Gerhardus De Boer, Marcus Antonius Verschuuren, Anne Souren, Hendrik Johannes Boudewijn Jagt
  • Patent number: 10520731
    Abstract: There is provided an optical system, including a light-transmitting substrate (20) having at least two external major surfaces and edges, an optical element for coupling light waves into the substrate (20) by internal reflection, at least one partially reflecting surface located in the substrate (20), for coupling light waves out of the substrate (20), at least one transparent air gap film (110) including a base (112) and a hyperfine structure (111) defining a relief formation, constructed on the base, wherein the air gap film is attached to one of the major surfaces of the substrate (20), with the relief formation facing the substrate (20) defining an interface plane (58), so that the light waves coupled inside the substrate (20) are substantially totally reflected from the interface plane (58).
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: December 31, 2019
    Assignee: Lumus Ltd.
    Inventors: Yaakov Amitai, Yuval Ofir, Elad Mor
  • Patent number: 10465897
    Abstract: A lighting device (100, 600) comprises a first portion (110, 610), a solid state light source (120, 620), a second portion (130, 630), a metal heat sink (140, 640-641) and a connector (150). The first portion is arranged for electrically connecting the lighting device. The second portion is mounted on the first portion and has an outer surface, wherein at least a portion (131, 631) of the outer surface is light transmissive for outputting light originating from the solid state light source. The metal heat sink extends along the outer surface, and is arranged in thermal contact with the solid state light source. The connector is arranged at the metal heat sink for connecting an electrical device (160, 660). A distance (D1, D3, D4) from the first portion to the connector is longer than a distance (D5) from the first portion to at least one light transmissive portion (131, 631) of the outer surface.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: November 5, 2019
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Antonius Adrianus Maria Marinus, Vincent Stefan David Gielen
  • Patent number: 10451258
    Abstract: A slim lighting fixture is disclosed. Keyhole slots are provided along outer surrounding edge of the lighting fixture. A disposable guide plate is employed to mark locations of screws corresponding to the keyhole slots. Step-screws are installed on the locations marked. The lighting fixture is engaged with step-screws at the keyhole slots through recess, slide and lock. Alternatively, an engagement may be accomplished by screws inserted through the keyhole slots, slid and tightened. A decorative cover is designed to fit the lighting fixture at the outer surrounding edge. An indirect mounting system is provided. A lighting fixture has a recess and side slot at each of four quadrants of a back plate. A mounting plate has four clips corresponding positions of the recess. The lighting fixture is engaged with the mounting plate at the clips and recess/side slot through recess, slide and lock.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 22, 2019
    Inventor: Chia-Teh Chen
  • Patent number: 10408417
    Abstract: A light-emitting element includes a rectangular light emitting element with four edge surfaces; and a light flux control member defining a central axis and having a back surface, light entry surface formed as a recess in the back surface, a light emission surface disposed opposite the back surface, and a plurality of protruding elements forming a grid on the back surface. The grid of protruding elements include a plurality of linear ridges/valleys such that the angles formed by such linear ridges/valley and a plane including at least one of the edge surfaces of the light emitting element is an acute angle; or the grid of protruding element include a plurality of annular ridges/valley centered about the central axis, and a plurality of linear ridges/valleys disposed radially around the central axis.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: September 10, 2019
    Assignee: ENPLAS CORPORATION
    Inventors: Yasuyuki Fukuda, Ryo Nonaka
  • Patent number: 10234107
    Abstract: A projecting lamp structure having a light adjusting device is provided. The projecting lamp structure includes a light source disposed on a circuit board and configured to provide light rays. A lens having an asymmetrical bat-wing candle power distribution is disposed on the circuit board, wherein the lens is configured to receive the light rays and emits the light rays. A light adjusting device is disposed on the circuit board and surrounding the lens having the asymmetrical bat-wing candle power distribution. The light adjusting device includes an opening and the light adjusting device is configured to adjust the light rays through the opening to form an illumination region having a preset shape by adjusting a geometric shape of the opening corresponding to the lens having the asymmetrical bat-wing candle power distribution.
    Type: Grant
    Filed: July 9, 2017
    Date of Patent: March 19, 2019
    Assignee: AREX(TWN) INTERNATIONAL CO., LTD.
    Inventors: Yuh-sheng Lin, Chin-hung Lin, Che-chun Chang
  • Patent number: 10222027
    Abstract: A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises a cavity. At least a portion of the cavity can have an outline that is egg-shaped in cross section. A backside of the cavity (or a backside portion of the optic) can have an irregular shape for receiving the light emitting diode, for example to form a receptacle shaped to fit a circuit.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: March 5, 2019
    Assignee: Cooper Technologies Company
    Inventor: Kevin Charles Broughton
  • Patent number: 10078245
    Abstract: A light flux controlling member includes an incidence surface, an emission surface, and an annular groove part. The annular groove part includes a first internal surface and a second internal surface. The second internal surface protrudes from a virtual line connecting an outer and inner end portions toward an opening side of the annular groove part; and, when an angle on the annular groove part side of two angles between a tangent to an arbitrary point of the second internal surface and the central axis is an inclination angle at the arbitrary point of the second internal surface in the cross section including the central axis, an inclination angle at the inner end portion is smaller than an inclination angle at the outer end portion, and an inclination angle of the second internal surface increases as a distance from the central axis increases.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: September 18, 2018
    Assignee: ENPLAS CORPORATION
    Inventor: Yuki Fujii
  • Patent number: 9960327
    Abstract: Embodiments of the present disclosure provide a light emitting device and display equipment. The light emitting device, includes a light emitting diode (LED) and an optical lens, the optical lens including a light incident surface and a light emergent surface, the light incident surface including a free-form convex surface; wherein there is a first angle between a symmetry axis and the connecting line between the center point of the light emitting surface and any point on the light incident surface, and the curvature of the light incident surface decreases with the increase of the first angle; there is a second angle between a symmetry axis and the connecting line between the center point of the light emitting surface and any point on the light emergent surface, and the curvature of the light emergent surface increases with the increase of the second angle.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: May 1, 2018
    Assignees: Hisense Electric Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.
    Inventors: Xiaoping Li, Fulin Li, Kun Shao
  • Patent number: 9939128
    Abstract: The disclosure relates to an LED lamp and an optical lens thereof. The optical lens includes a dome structure and a protrusion structure, the dome structure has an external surface, the protrusion structure is disposed on the external surface of the dome structure; the protrusion structure has a first optical surface and a first optical side connected with the first optical surface, the first optical surface and the external surface are connected to form a first boundary, the first optical side and the first boundary are inclined. The disclosure further provides an LED lamp. The LED lamp and the optical lens thereof above can improve optical efficiency.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: April 10, 2018
    Assignee: KAISTAR LIGHTING (XIAMEN) CO., LTD.
    Inventors: Sheng-Lung Tsai, Jenn-Yuan Hsu
  • Patent number: 9772074
    Abstract: An illumination device includes a bulb including a segment of at least second order curvature and a cylindrical segment. A least two laser diodes are coupled with the bulb such that laser beams emitted by the at least two laser-diodes propagate inside the bulb through total internal reflection. The laser beams propagating in the bulb expand in the bulb, are evenly mixed and exceed outward from the bulb as a volumetric light flux.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: September 26, 2017
    Inventor: Rafail Bronstein
  • Patent number: 9599301
    Abstract: A light module, comprising numerous semiconductor light sources for emitting light, a primary lens element for concentrating the light emitted from the semiconductor light sources in section perpendicular to a sagittal plane of the light module, wherein the primary lens element exhibits numerous disk-like light conducting sections, extending in a plane perpendicular to the sagittal plane, wherein each light conducting section exhibits a light coupling surface and a light decoupling surface, and is designed for conducting light, subjected to a total reflection, from the light coupling surface to the light decoupling surface, wherein a semiconductor light source is allocated to each light conducting section such that light form the semiconductor light source can be coupled with the respective light coupling surface in the light conducting section.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: March 21, 2017
    Assignee: Automotive Lighting Reutlingen GmbH
    Inventor: Matthias Brendle
  • Patent number: 9574738
    Abstract: A lens includes a light incident surface and a light output surface. In a coordinate system, the light incident surface satisfies a formula (1): Z r 1 = c 1 ? r 1 2 1 + 1 - r 1 2 ? c 1 2 + u 1 2 ? ( 1 - u 1 2 ) 1 - r 1 2 ? c 1 2 ? ? m = 0 M ? a m ? Q m ? ( u 1 2 ) . c1 is a curvature of the light incident surface. r1 is a distance from the center of the lens to a joint point between the light input surface and a radius which is substantially perpendicular to the central axis of the lens. u1 is a normalized radius of the light incident surface. am represents the aspheric coefficient. Qm is a polynomial of order m and represents that the sum of am is equal to the sum of the root mean square of the slope of the light incident surface.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: February 21, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Po-Yu Lin, Chien-Hui Lin, Tai-Cherng Yu
  • Patent number: 9574740
    Abstract: Devices (100) comprise light sources (1) for producing light into directional ranges (70) and light blockers (10) for blocking the light in parts (71) of the directional ranges (70). The light blockers (10) have inner sides (11) and outer sides (12), and are made of materials having optical indices. Combinations of shapes of the outer sides (12) and the optical indices will reflect the light in the parts (71) of the directional ranges (70) at the outer sides (12), for example back to the light sources (1). The shapes of the outer sides (12) may be saw tooth shapes, the optical indices may be larger than 1.4, total reflection may take place for the light in the parts (71) of the directional ranges (70) when incoming at angles smaller than 40° with sides (14, 15) of saw teeth (13) of the saw tooth shapes. Shapes of the inner sides (11) may correspond with shapes of light output graphs of the light sources (1) in the parts (71) of the directional ranges (70).
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: February 21, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Lieve Lea Andrea Lanoye, Filip Marcel Denise Bruyneel, Benoit Didier Raphael Catteau, Etienne Edmond Marie Van Durme
  • Patent number: 9562147
    Abstract: A transparent polyamide resin composition includes a transparent polyamide resin which is a copolymer of an alicyclic diamine and a dicarboxylic acid and which has a refractive index of 1.500 to 1.550, and a transparent crosslinking auxiliary having a refractive index of 1.500 to 1.550, in which the amount of the crosslinking auxiliary added is 13 to 26 parts by mass relative to 100 parts by mass of the transparent polyamide resin, and the crosslinking auxiliary is dispersed, as phases with a diameter of 350 nm or less, in the transparent polyamide resin. A crosslinked transparent polyamide resin molded body is obtained by molding the transparent polyamide resin composition and crosslinking the transparent polyamide resin.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: February 7, 2017
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC FINE POLYMER, INC.
    Inventors: Satoshi Yamasaki, Shouhei Okabe, Makoto Nakabayashi
  • Patent number: 9494292
    Abstract: The invention shows and describes, among others, a light fixture (10) for illuminating building surfaces, comprising a circuit board (11) on which a plurality of LEDs (12a, 12b, 12c) are mounted, secondary optics (14) that bundle the light emitted by the LEDs, and tertiary optics (16) formed by a planar, translucent element that has light-directing microstructures.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: November 15, 2016
    Assignee: ERCO GMBH
    Inventors: Matthias Bremerich, Markus Goerres
  • Patent number: 9416926
    Abstract: A lens for distribution of light from a light emitter having an emitter axis. The lens includes an inner surface defining an inner cavity and including a substantially cross-sectionally convex inner region along an open end of the inner cavity and a substantially cross-sectionally linear inner region joining the substantially cross-sectionally convex inner region and extending therefrom toward the emitter axis. The convex region is configured for refracting emitter light rays toward the emitter axis. The lens further includes an outer surface receiving the light from each of the inner regions. A lens flange surrounds the lens and has an outer flange surface extending radially outwardly from the lens outer surface at positions axially spaced from the light emitter. The convex inner region is configured to refract emitter light to the outer surface such that the outer flange surface is substantially free from receiving any emitter light.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: August 16, 2016
    Assignee: Cree, Inc.
    Inventors: Kurt S. Wilcox, Craig Raleigh
  • Patent number: 9279567
    Abstract: The present disclose relates to a lens. The lens includes a bottom surface; a light input surface depressed from a center of the bottom surface; a light output surface opposite to the light input surface, the light output surface comprising a concave surface located at a center thereof and a convex surface surrounding the concave surface; and total reflective side surfaces. The side surface includes a first and a second side surfaces gradually slanting outwardly along a direction from the bottom surface to the light output surface, and a third side surface and a fourth side surface being perpendicular to the bottom surface. The present disclose also relates to a light source module with the lens.
    Type: Grant
    Filed: August 25, 2013
    Date of Patent: March 8, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chau-Jin Hu, Feng-Yuen Dai, Po-Chou Chen
  • Patent number: 9267674
    Abstract: A solid state light having a solid state light source such as LEDs, a light guide having an enclosed interior volume such as a bulb shape without vents, and a thermal guide. The light guide is coupled to the light source for receiving and distributing light from the light source. The thermal guide is at least partially contained within the interior volume with an air gap between a portion of the thermal guide and the light guide. The thermal guide provides for thermal conduction from the light source and dissipating heat through convection and radiation for cooling the light.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: February 23, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Raymond P. Johnston, Charles N. Devore, Martin J. Vos, Paul E. Humpal, Robert L. Brott, Kayla A. Hagens, Hamid R. Mortazavi, James F. Poch, Michael A. Meis, Timothy J. Pommer
  • Patent number: 9194557
    Abstract: The present disclose relates to a light source device, which includes a first lens, a second lens, a third lens and a light source. The first lens includes a first light input surface and a first convex surface opposite to the first light input surface. The first convex surface has a first curvature. The second lens includes a second light input surface and a second light output surface opposite to the second light input surface. The second light input surface defines a concave surface at a center thereof. The third lens includes a deviating portion arranged between the first convex surface of the first lens and the concave surface of the second lens. A light source faces the first light input surface of the first lens.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: November 24, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Kun-Chan Wu
  • Patent number: 9140430
    Abstract: A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises a cavity. At least a portion of the cavity can have an outline that is egg-shaped in cross section. A backside of the cavity (or a backside portion of the optic) can have an irregular shape for receiving the light emitting diode, for example to form a receptacle shaped to fit a circuit board on which the light emitting diode is mounted.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 22, 2015
    Assignee: Cooper Technologies Company
    Inventor: Kevin Charles Broughton
  • Patent number: 9134007
    Abstract: A 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 opposite to the light-emitting top surface. The bottom surface concaves towards the light-emitting top surface to form a hole and has a gouge surrounding the hole with an inclination towards the edge of the hole. The hole is formed from the surrounding of a first inner wall surface and a second inner wall surface. The light source is disposed below the bottom surface and corresponds to the hole.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: September 15, 2015
    Assignee: Darwin Precisions Corporation
    Inventors: Chun-Lin Wang, Yu-Shan Shen, Chung-Hsing Chang
  • Patent number: 9134476
    Abstract: An LED module includes an LED, a light guiding plate and a lens. The light guiding plate includes a light incident face confronting the LED, a light diffusion face and a light emerging face. The lens includes an aspheric light incident face and an aspheric light emerging face opposite to the aspheric light incident face. Light emitted from the LED is diffused by the light guiding plate and diverged by the lens to have a wide illumination area.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: September 15, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Po-Chou Chen
  • Patent number: 9046238
    Abstract: An illumination device including a base, at least one LED light source and a first diffusing element is provided. The base has a supporting plane. The LED light source disposed on the supporting plane has a light emitting surface substantially parallel to the supporting plane. The first diffusing element disposed on the supporting plane is a hollow column surrounding the LED light source. An inner diameter width of the first diffusing element is gradually reduced outward from the base. The first diffusing element has a rough surface comprising a plurality of surface structures.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: June 2, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Cheng-Hsuan Lin, Hsun-Yu Li, Ping-Chen Chen, Chun-Hsiang Wen
  • Patent number: 9039251
    Abstract: Certain example implementations of the disclosed technology include a light emitting device. The light emitting device may include an enclosure with four sides and a top edge surface associated with each of the four sides. The enclosure may be capable of mounting on a grid frame of a suspended ceiling such that a portion of the top edge surfaces contacts a portion of the grid frame. The light emitting device may further include a light modifying element characterized by a substrate with four or more edges, a back surface disposed on the top edge surface of each of the four sides of the enclosure, and a front surface. In certain example embodiments the substrate may further comprise two or more edge trusses. A periphery of the light-emitting front surface may be capable of contacting the grid frame after the light emitting device is mounted to the grid frame.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: May 26, 2015
    Assignee: Southpac Trust International Inc
    Inventor: Leslie David Howe
  • Patent number: 9039252
    Abstract: The invention relates to an optical device for imparting an asymmetrical light beam. The optical device comprises a lens (10) having an exit diopter (12) having an exit surface consisting of a convex surface (16) defining a curved rear portion (18) having a first curvature and a curved front portion (19) having a second curvature different from the first curvature. Furthermore the lens (10) comprises an entry diopter (11) including at least one concave lodging (13) for lodging at least one light source, the surface of the concave lodging (13) facing at least partly the curved rear portion (18).
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: May 26, 2015
    Assignee: Koninklijkle Philips N.V.
    Inventor: Vincent Treanton
  • Publication number: 20150117031
    Abstract: 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.
    Type: Application
    Filed: November 20, 2013
    Publication date: April 30, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: FENG-YUEN DAI, CHAU-JIN HU, LI-YING WANG HE
  • Publication number: 20150117029
    Abstract: A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face comprises a center curved facet and a periphery curved facet surrounding and extending outwardly from the center curved facet. The light incident face is a discontinuous face and includes a plurality of curved facets.
    Type: Application
    Filed: October 31, 2013
    Publication date: April 30, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: FENG-YUEN DAI, CHAU-JIN HU, LI-YING WANG HE
  • Publication number: 20150117000
    Abstract: Various embodiments may relate to a lens for an illumination device. The lens includes a bottom wall, a top wall, and a circumferential wall. The circumferential wall connects the bottom wall and the top wall. A plurality of regions of the bottom wall respectively arch towards the top wall to define at least one first accommodation cavity having an inner wall as a first incident surface, and at least one second accommodation cavity having an inner wall as a second incident surface. The first and second incident surfaces are designed as different curved surfaces for receiving first incident light and second incident light, respectively. Various embodiments further relate to an illumination device including the lens.
    Type: Application
    Filed: March 25, 2013
    Publication date: April 30, 2015
    Inventors: Yabin Luo, Yuan Lu, Canbang Yang, Zouya Huang
  • Publication number: 20150116984
    Abstract: A lens includes a main lens, a first light-diffusion capping layer and a second light-diffusion capping layer formed on the top of the main lens in sequence. The main lens includes a light incident surface and a light exit surface opposite to the light incident surface. The main lens defines a recess in the top thereof, and the recess is located at a central region of the light exit surface and recessed inwardly toward the light incident surface. The first and the second light-diffusion capping layers are received in the recess, and the second light-diffusion capping layer is located over the first light-diffusion capping layer. A refractive index of the first light-diffusion capping layer is smaller that that of the main lens but larger than that of the second light-diffusion capping layer. A backlight module source incorporating the lens and the LED light source is also provided.
    Type: Application
    Filed: November 28, 2013
    Publication date: April 30, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: FENG-YUEN DAI, CHAU-JIN HU, LI-YING WANG HE, YUNG-LUN HUANG
  • Publication number: 20150117032
    Abstract: 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.
    Type: Application
    Filed: November 21, 2013
    Publication date: April 30, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHAU-JIN HU, JIA-MING WANG, CHUN-YU LIN
  • Publication number: 20150116999
    Abstract: A package for multiple light sources is described. The package includes a plurality of light sources aligned along a first axis and a lens substantially encapsulating the plurality of light source. The lens is designed as a mono-optical lens meaning that a radius of curvature is only created along the first axis of the lens. The lens includes substantially no radius of curvature along a second axis that is perpendicular to the first axis.
    Type: Application
    Filed: October 30, 2013
    Publication date: April 30, 2015
    Applicant: Avago Technologies General IP (Singapore) Pte. Ltd
    Inventors: Kum Soon Wong, Lig Yi Yong, Yean Chon Yaw
  • Publication number: 20150117021
    Abstract: Provided is an omnidirectional lens, having a housing having a closed end and an open end, a series of facets circumferentially arranged on the housing; and a series of concentric facets disposed on the closed end.
    Type: Application
    Filed: August 7, 2014
    Publication date: April 30, 2015
    Inventors: Jeyachandrabose CHINNIAH, Thomas CLYNNE, Thomas Alexander KNAPP, Benjamin Lee YODER
  • Publication number: 20150109764
    Abstract: A lens for a backlight of a display device, includes a lower surface, a groove portion defined recessed from the lower surface and comprising a curved surface; and an upper surface comprising an outer edge and a center, in a plan view, of which a distance from the lower surface decreases in a direction from the outer edge to the center.
    Type: Application
    Filed: April 30, 2014
    Publication date: April 23, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ji Eun NAM, Young-Min PARK, Seok Hyun NAM
  • Publication number: 20150103533
    Abstract: The present disclosure relates to a lens. The lens includes a bottom surface, a light input surface and a light output surface. The light input surface is a curved surface depressing from a center of the bottom surface. The light output surface is opposite to the bottom surface. The light output surface includes a planar surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the planar surface. The planar surface includes a plurality of micro structures located at a central area thereof. The present disclosure also relates to a light source module with the lens.
    Type: Application
    Filed: November 22, 2013
    Publication date: April 16, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: LI-YING WANG HE, YI HUNG
  • Publication number: 20150103534
    Abstract: A light source module includes a light source, an optical lens facing the light source, and a plurality of diffusing particles formed in the optical lens. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face comprises a first curved facet and a second curved facet surrounding and extending outwardly from the first curved facet.
    Type: Application
    Filed: October 28, 2013
    Publication date: April 16, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHAU-JIN HU, KUN-CHAN WU, YUN-YU CHOU
  • Publication number: 20150085496
    Abstract: An optical film has a plurality of aligned convex microlenses, each of which has a region ? and a region ?, region ? forming the outer part of the convex shape of the microlens and positioned so as to cover region ?. Both region ? and region ? contain a resin, and the refractive index of the resin in region ? is higher than the refractive index of the resin in region ?; region ? contains fine particles, and region ? contains fine particles, and the content of the fine particles contained in region ? is lower than the content of the fine particles contained in region ?; or region ? contains fine particles, and region ? contains fine particles, and the content of the fine particles contained in region ? is higher than the content of the fine particles contained in region ?.
    Type: Application
    Filed: November 14, 2012
    Publication date: March 26, 2015
    Applicant: Mitsubishi Rayon Co., Ltd
    Inventor: Daichi Okuno
  • Patent number: 8985811
    Abstract: A LED luminaire includes a body portion having a lighting module and an optical structure formed integrally with the body portion. The optical structure is formed within the body portion and located in a light-projection direction of the lighting module. The optical structure substantially is a sheet-like structure with a first surface and a second surface. The first surface has at least two side portions with a first curvature, and the second surface has a second curvature. The first curvature is greater than the second curvature. Thereby, the view angle of the light is increased as the light generated from the lighting module passes through the optical structure.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: March 24, 2015
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corporation
    Inventors: Jen-Min Huang, Chih-Lung Liang
  • Publication number: 20150078009
    Abstract: A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face includes a center facet facing the light incident face, a first curved facet surrounding and connecting to the center facet, and a second curved facet surrounding and smoothly connecting to the first curved facet.
    Type: Application
    Filed: October 23, 2013
    Publication date: March 19, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHAU-JIN HU, LI-YING WANG HE
  • Publication number: 20150078008
    Abstract: A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The optical lens further includes a plurality of protrusions protruding outwardly from the light emitting face, and a plurality of grooves defining in the connecting face. The protrusions are formed on the lateral face and located adjacent to the connecting face, and the grooves are located adjacent to the lateral face.
    Type: Application
    Filed: October 23, 2013
    Publication date: March 19, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: LI-YING WANG HE
  • Publication number: 20150070901
    Abstract: Implementations disclosed herein include optical sheets comprising one or more regions including one or more optical elements. Each of the one or more optical elements includes a plurality of microstructures. The one or more optical elements can be configured to tailor the radiation pattern output from a source of illumination. The one or more optical element can be further configured to impart a visual appearance to the optical sheet that is different from a standard lenticular or prismatic sheet. In various implementations, the one or more regions can be demarcated from each other or the surrounding by borders. The borders of the one or more regions can be configured to form one or more letters, one or more symbols or logos for identification and/or security purposes. Various implementations of the optical sheet can include nano-particles in addition to the optical elements to enhance the aesthetic quality of the optical film.
    Type: Application
    Filed: September 9, 2014
    Publication date: March 12, 2015
    Inventors: Christopher Chapman Rich, Phillip Christopher Harvey, Eric William Hearn Teather, Joel Mikael Petersen
  • Patent number: 8975806
    Abstract: A lens includes a first lens section and a second lens section, which are integrally formed. The first lens section is formed in a hemispherical shell shape including a first recess opened toward one side of an optical axis direction in which light from a light source is made incident. The second lens section is formed in a hemispherical shell shape including a second recess opened toward the other side of the optical axis direction.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: March 10, 2015
    Assignee: Toshiba Lighting & Technology Corporation
    Inventors: Toshitake Kitagawa, Makoto Sakai
  • Publication number: 20150062872
    Abstract: Provided are a light source assembly and a backlight assembly including a lens module. The light source assembly includes: a light source module capable of emitting light and a lens module positioned on the light source module. The lens module includes a light collecting lens collecting the light emitted from the light source module, and a diffusion lens positioned on the light collecting lens, and including an inner curved surface in which light from the light collecting lens is incident and an outer curved surface where the light incident on the inner curved surface exits the diffusion lens, and the light emitted from the light source module forms a light collecting region on the inner curved surface by passing through the light collecting lens.
    Type: Application
    Filed: April 9, 2014
    Publication date: March 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hee Kwang SONG, Kang Woo LEE, Seok Hyun NAM, Ju Young YOON, Kwang Wook CHOI
  • Patent number: RE47891
    Abstract: A display has a member irradiated by a surface light source device comprising a light diffusion member and emission device. The emission device is provided with a light flux control member having a recess and light control emission face which is configurated so as to satisfy Conditions 1 and 2 in a range at least covering a half-intensity-angular-range. Light emitting element(s) may be sealed. Condition 1 is that relation ?5/?1>1 is satisfied except for light emitted from a light emitting element toward within an angular-neighbourhood of a standard optical axis of the emission device, and Condition 2 is that value of ?5/?1 decreases gradually according to increasing of ?1, where ?1 is an emission angle of any light at being emitted from the light emitting element, and ?5 is an emission angle of that light of ?1 at then being emitted from the light control emission face of the light flux control member.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: March 3, 2020
    Assignee: Enplas Corporation
    Inventors: Masao Yamaguchi, Shingo Ohkawa