Separate Sections Patents (Class 362/332)
  • Patent number: 10711956
    Abstract: A lighting device comprises at least one LED element for emitting light into an emission direction. A bendable light guide is arranged to guide light emitted from the LED element. The bendable light guide comprises at least a first portion formed of an elastic, light transmitting light guide material covering at least the emission direction of the LED element, and a second portion formed of an elastic, light transmitting light guide material. In order to be able to function under varying environmental conditions, the second portion is arranged spaced from the first portion in the emission direction by a separation space.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: July 14, 2020
    Assignee: LUMILEDS LLC
    Inventors: Florent Monestier, Christian Kleijnen
  • Patent number: 10330853
    Abstract: Light-guiding panel, backlight module, and a display device are provided. An exemplary light-guiding panel includes a light-guiding body and a light diffusing-transmitting layer over the light-guiding body. The light-guiding body is configured to reflect incident light beams on a first side surface of the light-guiding body, thereby providing reflected light beams to the light diffusing-transmitting layer. The light diffusing-transmitting layer is capable of diffusing and transmitting the reflected light beams.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: June 25, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Lin Zhu
  • Patent number: 9958581
    Abstract: The present invention relates to a 3-dimensional complex multilayer structure. The 3-dimensional complex multilayer structure includes a first pattern and a second pattern having different thicknesses formed on one or both surfaces of a plate. The first pattern is selected from the group consisting of parallel lines, parallel curves, parallel zigzag lines, and combinations thereof which do not meet each other. The second pattern is not parallel to the first pattern and is selected from the group consisting of parallel lines, parallel curves, parallel zigzag lines, and combinations thereof which do not meet each other. The interfaces between the first pattern and the second pattern form figures selected from the group consisting of polygons, circles, ellipses, and combinations thereof. The figures are repetitively formed on one or both surfaces of the plate. The 3-dimensional complex multilayer structure includes different complex patterns, whereas a conventional device has a kind of simple pattern.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: May 1, 2018
    Assignee: Minuta Technology Co., LTD
    Inventors: Han Eol Lim, Se Jin Choi, Tae Wan Kim, Seung Joon Baek
  • Patent number: 9958596
    Abstract: A display device that includes a display panel, a multilayer light guide plate structure, and a light source is provided. The display panel has a display surface. The multilayer light guide plate structure is located on the display surface of the display panel. The multilayer light guide plate structure has a light incident surface, an upper surface, and a lower surface opposite to the upper surface, and the multilayer light guide plate structure includes a plurality of light guide plate layers stacked together. The light source is located beside the light incident surface of the multilayer light guide plate structure and has a light emitting surface. A multilayer light guide plate structure and a front light module are also provided.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: May 1, 2018
    Assignee: E Ink Holdings Inc.
    Inventors: Sheng-Chieh Tai, I-Jeng Chen
  • Patent number: 9784433
    Abstract: 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.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 10, 2017
    Assignee: THE BOEING COMPANY
    Inventor: Randolph C. Camp, III
  • Patent number: 9702518
    Abstract: An LED light source for headlamp of a motor vehicle is provided. The LED light source is a continuously luminous light band (1). The LED light source is designed into the light band of an area light source by utilizing an imaging principle, in such a manner that structure thereof is simple and an amount of accessories of the headlamp is decreased. The LED light source is low in cost, easy to implement and good in illuminating effect.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: July 11, 2017
    Inventors: Tinglin Guo, Derun Liu
  • Patent number: 9644814
    Abstract: A luminaire with a prismatic optic permits the nearly uniform distribution of light about the luminaire. The prismatic optic permits the use of directional light sources, such as light emitting diodes, while maintaining the uniform light distribution. When light emitting diodes are used, the luminaire further includes a heat sink to maintain a desirable operational temperature without negatively affecting the light distribution properties of the luminaire.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: May 9, 2017
    Assignee: Lighting Science Group Corporation
    Inventors: Mark P. Boomgaarden, Ryan Kelley, Rick LeClair
  • Patent number: 9234647
    Abstract: A light engine that includes light emitting diodes mounted on a printed circuit board, which in turn is attached to a heat sink. An optic assembly is positioned over the printed circuit board to direct the emitted light as desired. The light engine can be positioned. within the ceiling within the opening of a mounting frame. In some embodiments, the light engine is retained on the mounting frame such that it can be moved clear of the mounting frame opening.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: January 12, 2016
    Assignee: ABL IP Holding LLC
    Inventors: Algimantas J. Gabrius, Douglas Dewayne Grove, Jon D. Hinnefeld, Joseph J. Onda, Marvin L. Otterson, Carl Jason Schoeneberg
  • Patent number: 9080746
    Abstract: An LED assembly that includes optics and optical arrangements for light emitting diodes (LEDs). In some embodiments, a reflector is provided within a void between the lens and the LED. This reflector can reflect light emitted by the LED in a non-preferred direction back toward the preferred direction. In other embodiments, an optical element is formed or otherwise provided in the lens cavity and shaped so that, when the lens is positioned above the LED, the refractor bends the emitted light in a preferred direction. In some embodiments, both a reflector and optical element are provided in the LED assembly to control the directionality of the emitted light. Such embodiments of the invention can be used to increase the efficiency of an LED by ensuring that generated light is being directed to the target area of choice.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 14, 2015
    Assignee: ABL IP HOLDING LLC
    Inventors: Jie Chen, Craig Eugene Marquardt, Daniel Aaron Weiss, Daniel Vincent Sekowski, Yaser S. Abdelsamed
  • Publication number: 20150146435
    Abstract: A lens for forming a predetermined pattern from a light source includes a first region of an inner surface configured to receive light from the light source and to bend the light into a first line segment. The lens includes a second region of the inner surface configured to receive the light from the light source and to bend the light into a second line segment perpendicular to the first line segment, the first line segment forming a cross of a “T” and the second line segment forming the stem of the “T.
    Type: Application
    Filed: September 25, 2014
    Publication date: May 28, 2015
    Inventors: Thomas Greenwood, Martin Paul Robotham
  • 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
  • Patent number: 9022625
    Abstract: A vehicle headlamp that is capable of optically distributing a spot portion of a light distribution pattern having a cutoff line to a cruising lane side is provided. The present invention includes semiconductor-type light sources 2L and 2R and lenses 3L and 3R. On emission surfaces 31L and 31R of the lenses 3L and 3R, peak portions 32L and 32R that form a spot portion SP of a light distribution pattern for low beam LP are respectively provided in given locations that are close to a cruising lane side with respect to optical axes ZL and ZR of the lenses 3L and 3R. As a result, the present invention can provide the vehicle headlamp that is capable of optically distributing the spot portion SP of the light distribution pattern for low beam LP having a cutoff line CL.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: May 5, 2015
    Assignee: Ichikoh Industries, Ltd.
    Inventor: Yasuhiro Okubo
  • Patent number: 9022600
    Abstract: A Light Emitting Diode (LED) illumination device having a pleasant appearance and capable of uniform illumination is provided. The LED illumination device (101) includes a support portion (200) having a first support surface (210) and a second support surface (220), wherein the first support surface (210) faces downward, and the second support surface (220) faces downward, is located at a position higher than the first support surface (210), and surrounds the first support surface (210); a plurality of LED chips (400), including a plurality of first LED chips (411) supported on the first support surface (210) and a plurality of second LED chips (420) supported on the second support surface (220); and a mask (700), located at a lower position with respect to the support portion (200), penetrated by light from the LED chips (400), and including a tilted portion (710) inclining downward toward the center.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: May 5, 2015
    Assignee: Rohm Co., Ltd.
    Inventors: Kohei Mizuta, Akio Yabugami, Hiroaki Tsujii
  • Publication number: 20150085513
    Abstract: Lighting arrangement (1, 1?) comprising a light source (2) for generating light; a spreading element (3) realised to laterally spread the generated light in a spreading plane (S), defined by an optical axis (AO) of the light source (2) and a longitudinal axis (L) of the spreading element (3), to give an essentially uniform quantity of light per unit area at an emission face (41, 51) orthogonal to the spreading plane (S) and parallel to the longitudinal axis (L) of the spreading element (3) and a light redirecting element (4, 5) arranged to collect the spread light, which comprises a longitudinal planar emission face (41, 51), and is realised to collect the laterally spread light and to emit the collected light essentially uniformly from the emission face (41, 51).
    Type: Application
    Filed: April 23, 2013
    Publication date: March 26, 2015
    Inventors: Benno Spinger, Paul Scott Martin, Pascal Jean Henri Bloemen, Kuochou Tai
  • Patent number: 8979318
    Abstract: LEDs having a low color temperature up to 5000 K, comprising a blue-emitting LED and, connected upstream thereof, two phosphors having a first phosphor from the class of the chliorosilicates and a second phosphor from the class of the nitridosilicates having the formula (Ca,Sr)2Si5N8:Eu.
    Type: Grant
    Filed: July 15, 2005
    Date of Patent: March 17, 2015
    Assignees: OSRAM Opto Semiconductors GmbH, OSRAM Gesellschaft mit beschrankter Haftung
    Inventors: Tim Fiedler, Frank Jermann, Jörg Strauβ
  • Publication number: 20150070870
    Abstract: An illumination system including at least one light source such as an electroluminescent element, e.g. a light emitting diode (LED), and at least one optical element whose surface is structured by diffraction and/or refraction type optical microstructures. In order to shape the beam, the optical element includes at least two sections whose optical microstructures and therefore optical properties are different from one another. The pattern of the microstructures in each of the at least two sections is, at least over a predetermined angular range, rotationally symmetric with respect to the optical axis or another symmetry axis.
    Type: Application
    Filed: October 17, 2014
    Publication date: March 12, 2015
    Inventors: Daniel Dias, Ville Kettunen, Markus Rossi
  • 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: 20150055347
    Abstract: A light emitting module includes a circuit board, light emitting elements disposed on the circuit board, each light emitting element including light emitting diode chips and a wavelength conversion layer coated on the light emitting diode chips, and a lens disposed on the light emitting elements and configured to diffuse light emitted from the light emitting elements. The lens includes a concave part having a light incident surface and an upper surface through which the light incident on the lens is emitted, and at least one of the light incident surface and the upper surface includes sections disposed at least 15° from a central axis and sequentially connected in a first direction.
    Type: Application
    Filed: August 26, 2014
    Publication date: February 26, 2015
    Inventors: Eun Ju KIM, Ki Bum Nam
  • Patent number: 8950880
    Abstract: A lighting device and a photographing system including the same are provided. The lighting device including a plurality of light emitting devices which emit lights of wavelengths within the visible ray domain; and an opening arranged in front of the plurality of light emitting devices, wherein the plurality of light emitting devices are arranged in a medium having a low refraction index, and solid structures that are formed of a medium having a high refraction index, are capable of transmitting visible rays therethrough, and are periodically formed on a portion of the opening to face the plurality of light emitting devices, wherein the solid structures are formed in a period such that lights emitted by the plurality of light emitting devices are not reflected.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 8950905
    Abstract: A compression lens assembly is disclosed that includes one or more pieces of optical film with a top edge defining an X-axis, a bottom edge, a left edge defining a Y-axis, a right edge at a distance W from the left edge, and a Z-axis perpendicular to the X- and Y-axes. One or more parallel inward and or outward folds extend between the top and bottom edges. The compression lens assembly may include a lens containment feature with top and bottom channels configured to engagingly secure and restrict the corresponding top and bottom edges of the film in at least the Z-axis direction, and left and right channels spaced a distance smaller than W and configured to compress the left and right film edges together and restrict film movement in the X-axis direction. The compressed film piece may form one or more hill or valley profiles between adjacent folds.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: February 10, 2015
    Assignee: Southpac Trust International, Inc.
    Inventor: Leslie David Howe
  • Publication number: 20150036334
    Abstract: A light-influencing element for influencing the light emission of essentially point light sources having at least two lenses which are juxtaposed and integrally connected to each other, each having a cavity defining a light entrance section of the lens, and a light exit surface opposite the light entrance section, at least two of the lenses being designed differently with regard to their light entrance sections.
    Type: Application
    Filed: July 5, 2012
    Publication date: February 5, 2015
    Applicant: ZUMTOBEL LIGHTING GMBH
    Inventors: Stephan Ebner, Patrik Gassner
  • Patent number: 8939629
    Abstract: The lighting device includes a rod and two or more lighting units superimposing each other. Each of the lighting units includes a housing and a lighting element. The housing has a through hole, a first conductive element, a second conductive element and a positioning mechanism. The through hole is penetrated by the rod so that the housing can turn about the rod. The positioning mechanism limits the lighting units to turn between a first position and a second position. The first conductive elements and second conductive elements of the lighting units make contact at the second position, respectively.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: January 27, 2015
    Inventors: Wei-Cheng Chu, Eden Chou, Fu-Ting Cheng, Kuan-Chun Ni, Chung-Tong Ho
  • Publication number: 20150009452
    Abstract: An optical lens, light emitting device, and display are provided. The optical lens may include a flange comprising an upper surface and a bottom surface, a protruder that protrudes with respect to the bottom surface, a first surface that extends from the upper surface of the flange, and a second surface inwardly recessed toward the protruder. The first surface and the second surface may meet to form an outer rim of the optical lens. The first surface may be sloped with respect to an optical axis, which is a straight line that passes through a center of the protruder and a center of the second surface. A ratio of a longest straight-line distance between outermost edges of the flange taken across the flange to a shortest straight-line distance from a lowermost point of the protruder to a plane including the outer rim may be approximately 0.5 to 5.
    Type: Application
    Filed: May 12, 2014
    Publication date: January 8, 2015
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Chang Hyuck LEE
  • Patent number: 8920015
    Abstract: A backlight includes a visible light transmissive body having a light guide portion and a light input portion. The visible light transmissive body primarily propagates light by TIR and includes a light input surface and a light output surface. The light guide portion has a light reflection surface and a light emission surface. The light input portion has opposing side surfaces that are not parallel. A light source is disposed adjacent to the light input surface and emits light into the light input portion. A specularly reflective layer is disposed adjacent to but not in intimate contact with the opposing side surfaces and reflects more than 80% of visible light incident on the specularly reflective layer.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: December 30, 2014
    Assignee: 3M Innovative Properties Company
    Inventor: Patrick R. Destain
  • Patent number: 8894250
    Abstract: In an illuminating device, when exiting lights come out from a lens sheet, the optical paths of the exiting lights are deflected in a direction opposite to an optical axis of a light source by means of a plurality of prisms which are included in a first lens group arranged on an inward side of the lens sheet located adjacent to the optical axis of the light source and each of which has a inclined face facing toward the optical axis of the light source, wherein the exiting lights from the light source via the first lens group of the lens sheet are adapted to mix with exiting lights from the light source via a second lens group located outside the first lens group, whereby the degree of color unevenness is reduced, that appears inherently when a pseudo white LED is used as the light source of the illuminating device.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: November 25, 2014
    Assignee: Minebea Co., Ltd.
    Inventors: Masaki Asai, Koji Sakai, Ryohei Takayama
  • Patent number: 8876337
    Abstract: In an example embodiment, a light fixture is provided that includes an enclosure with an aperture plane and two or more linear light emitting diode (LED) arrays configured to mount within the enclosure on LED array mounting features that are oriented at an angle between about 80 degrees and about 135 degrees relative to a back surface plane of the enclosure. The light fixture may further include a lens with an axis of symmetry defining two opposing lens halves that define substantially planar outer portions and curved inner portions. The two lens halves may be configured to intersect or join in proximity to the axis of symmetry that is disposed parallel, and above or in proximity to the two or more linear LED arrays. The outer edges of the substantially planar outer lens portions are disposed in proximity to opposing edges of the aperture plane of the enclosure.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: November 4, 2014
    Assignee: Southpac Trust International, Inc.
    Inventor: Leslie David Howe
  • Patent number: 8870409
    Abstract: A light tube includes a tube body, at least one light emitting diode, and a transparent cover. The light emitting diode is assembled with the tube body. The transparent cover is disposed on the tube body to cover the light emitting diode and has a roof portion and two side arm portions. A first microstructure region and a second microstructure region are formed on a surface of the roof portion corresponding to the light emitting diode. The second microstructure region extends from two ends of the first microstructure region. A third microstructure region is formed on a surface of each side arm portion corresponding to the light emitting diode. A microstructure density of the second microstructure region is less than or equal to a microstructure density of the first microstructure region, and is greater than or equal to a microstructure density of the third microstructure region.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: October 28, 2014
    Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek Corporation
    Inventors: Zhi-Ting Ye, Ming-Chuan Lin, Hung-Pin Chang, Wen-Chieh Wu
  • Publication number: 20140293613
    Abstract: A light flux controlling member has an incidence region and an emission region. The incidence region is assumed to have a plurality of virtual quadrangles that are disposed in such a manner that one fits into another, and have the same number of apexes as one another, and includes a plurality of convex parts each of which has a ridge line along a first virtual straight line that connects two adjacent apexes of the virtual quadrangle, and a plurality of wall portions each of which is disposed along a second virtual straight line that connects respective corresponding apexes of the virtual quadrangles. The wall portion is disposed continuously between a connection portion of the convex parts at an innermost side and a connection portion of the convex parts at an outermost side in the second virtual straight line.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: Enplas Corporation
    Inventor: Tomohiro SAITO
  • Patent number: 8833981
    Abstract: Multiple-tier omnidirectional solid-state emission source capable of dispersing light in flexible distributions or custom-intensity distributions which throw more light forward, to the side alternatively, or in all directions. This optical light control requires multiple-surface manipulation of the directions of the light energy bundles emerging from solid-state light sources. Producing uniform light up to 325 degrees in the vertical direction through the combined implementation of multi-stage light guiding for remote source elongation and multiple-tiers of TIR, refraction, and scatter for remote source emission and control. Combining the efficient light production of an LED chip with that of a directly coupled optic results in high efficiency custom distribution to direct light where required.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: September 16, 2014
    Assignee: Illumination Machines, LLC
    Inventor: Edward E. Bailey
  • Publication number: 20140240980
    Abstract: A compression lens assembly is disclosed that includes one or more pieces of optical film with a top edge defining an X-axis, a bottom edge, a left edge defining a Y-axis, a right edge at a distance W from the left edge, and a Z-axis perpendicular to the X- and Y-axes. One or more parallel inward and or outward folds extend between the top and bottom edges. The compression lens assembly may include a lens containment feature with top and bottom channels configured to engagingly secure and restrict the corresponding top and bottom edges of the film in at least the Z-axis direction, and left and right channels spaced a distance smaller than W and configured to compress the left and right film edges together and restrict film movement in the X-axis direction. The compressed film piece may form one or more hill or valley profiles between adjacent folds.
    Type: Application
    Filed: May 2, 2014
    Publication date: August 28, 2014
    Applicant: Southpac Trust International Inc., Trustee of the LDH Trust
    Inventor: Leslie David Howe
  • Publication number: 20140233231
    Abstract: In an example embodiment, a light fixture is provided that includes an enclosure with an aperture plane and two or more linear light emitting diode (LED) arrays configured to mount within the enclosure on LED array mounting features that are oriented at an angle between about 80 degrees and about 135 degrees relative to a back surface plane of the enclosure. The light fixture may further include a lens with an axis of symmetry defining two opposing lens halves that define substantially planar outer portions and curved inner portions. The two lens halves may be configured to intersect or join in proximity to the axis of symmetry that is disposed parallel, and above or in proximity to the two or more linear LED arrays. The outer edges of the substantially planar outer lens portions are disposed in proximity to opposing edges of the aperture plane of the enclosure.
    Type: Application
    Filed: April 17, 2014
    Publication date: August 21, 2014
    Applicant: Southpac Trust International Inc, Trustee of the LDH Trust
    Inventor: Leslie David Howe
  • Patent number: 8810803
    Abstract: A fragmented lens system for creating an invisible light pattern useful to computer vision systems is disclosed. Random or semi-random dot patterns generated by the present system allow a computer to uniquely identify each patch of a pattern projected by a corresponding illuminator or light source. The computer may determine the position and distance of an object by identifying the illumination pattern on the object.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: August 19, 2014
    Assignee: Intellectual Ventures Holding 67 LLC
    Inventor: Matthew Bell
  • Patent number: 8807759
    Abstract: A projection apparatus includes an optical engine base, a light source, a light valve, a projection lens, and an array lens module. The light source, the light valve, and the projection lens are installed to the optical engine base. The array lens module includes a frame body fixed to the optical engine base, a first array lens, and a second array lens. One of the first array lens and the frame body has a first positioning hole while the other one has a first positioning pillar inserted into the first positioning hole. One of the second array lens and the frame body has a second positioning hole while the other one has a second positioning pillar inserted into the second positioning hole. A light beam emitted by the light source passes through the first array lens, the second array lens, and the light valve sequentially to reach the projection lens.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: August 19, 2014
    Assignee: Coretronic Corporation
    Inventor: Shiuan-Ting Lin
  • Publication number: 20140204592
    Abstract: A lens member includes a light-incident side; a light-exit side that is opposite to the light-incident side, a Fresnel lens arranged on a center axis that passes through a center of the light-incident side, and a diffraction grating structure arranged around a periphery of the Fresnel lens and having a center through which the center axis passes. Also, it is disclosed that the Fresnel lens may include a first Fresnel lens and a second Fresnel lens, the first Fresnel lens includes annular prisms that are divided from a convex lens and having a center through which the center axis of the light-incident side passes, and the second Fresnel lens includes annular prisms that are divided from a TIR lens and arranged around the periphery of the first Fresnel lens, centering around the center axis of the light-incident side.
    Type: Application
    Filed: August 13, 2012
    Publication date: July 24, 2014
    Inventors: Junji Miyashita, Yasuaki Kayanuma, Kenji Matsumoto
  • Patent number: 8783915
    Abstract: Surface-textured encapsulations for use with light emitting diodes. In an aspect, a light emitting diode (LED) array apparatus includes a plurality of LEDs mounted to a substrate and an encapsulation covering the LEDs and having a surface texturing configured to extract light, wherein the surface texturing is includes at least one light extracting feature having a diameter larger than two or more of the LEDs.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: July 22, 2014
    Assignee: Bridgelux, Inc.
    Inventor: Tao Xu
  • Patent number: 8777458
    Abstract: Disclosed is a light emitting device to reduce the number of components and elements of a light emitting device and a lighting device having the light emitting device, and simplify and miniaturize the structures of these devices. With this light flux controlling member (4), a total reflecting surface (12) functions like a reflecting member, light from a light emitting element (LED, for example) (3) that is incident from an input surface (13) and that arrives at the total reflecting surface (12) is total-reflected by the total reflecting surface (12) toward the output surface (11) side (including a first output surface (11a) and second output surface (11b)), and the illuminating light from the second output surface (11b) is superimposed upon the illuminating light from the first output surface (11a), so that the light from the light emitting element (LED, for example) (3) is used efficiently and illuminates the illumination target surface (6) over a wide range.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: July 15, 2014
    Assignee: Enplas Corporation
    Inventors: Akinobu Seki, Kyouhei Yamada, Noriyuki Kawahara, Hiroshi Takatori
  • Patent number: 8764238
    Abstract: LED “Chip-on-Board” (COB) metal core printed circuit board (PCB) technology operates in conjunction with high efficiency compact imaging and non-imaging optics to provide a compact emergency light offering high performance luminance levels (higher brightness) and enhanced life, at low cost. Thermal impedance between the LED junction and the heat sink is significantly reduced for COB technology by placing the LED die directly on a high thermal conductivity material substrate thereby increasing temperature dependant life and thermally dependant output power. Additionally, there is no encapsulant or domed optic over the LED thus making it possible to get a much more compact and efficient substantially Etendue preserving collection optic directly over the die.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: July 1, 2014
    Assignee: Innovations in Optics, Inc.
    Inventor: Thomas John Brukilacchio
  • Publication number: 20140177235
    Abstract: An optical lens includes a light incident surface, a light emitting surface, and a side surface between the light incident surface and the light emitting surface. The light emitting surface is a convex and curved surface opposite to the light incident surface. The light incident surface defines a receiving chamber. The receiving chamber is cone-shaped and concave in a direction from the light incident surface toward the light emitting surface. The side surface has a rugged structure and is a frosted surface to diffuse light therethrough. A lighting device having the optical lens is also provided.
    Type: Application
    Filed: October 22, 2013
    Publication date: June 26, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: CHEN-HAN LIN
  • Patent number: 8733983
    Abstract: A transparent sheet for use with a light emitting body with one of surfaces of the transparent sheet being adjacent to the light emitting body, wherein the other surface of the sheet is divided into a plurality of minute regions ?, a largest inscribed circle of the minute regions ? having a diameter from 0.2 ?m to 1.5 ?m, each of the minute regions ? being adjoined by and surrounded by two or more other ones of the plurality of minute regions ?, the plurality of minute regions ? include a plurality of minute regions ?b which are randomly selected from the plurality of minute regions ? so as to constitute 40% to 98% of the minute regions ? and a plurality of minute regions ?a which constitute the remaining portion of the minute regions ?, the minute regions ?a are provided with a first tiny element which has thickness d and effective refractive index na, and the minute regions ?b are provided with a second tiny element which has thickness d and effective refractive index nb, nb being greater than na.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: May 27, 2014
    Assignee: Panasonic Corporation
    Inventors: Jyunpei Matsuzaki, Shin-ichi Wakabayashi, Seiji Nishiwaki, Tatsuya Nakamura
  • Patent number: 8727581
    Abstract: Apparatus, for illuminating a feature on a transparent light transmitting substrate or window, including an optical arrangement secured to one of the surfaces of the substrate for directing light into the substrate at an incident angle selected for propagation of light via total internal reflection (TIR) along the substrate. The optical arrangement has a rotationally symmetrical optic for surrounding a light source, a planar output surface, and an input surface divided into at least one curved zone bounded by a surface discontinuity, and at least one coupling material, with a refractive index greater than air, to optically and physically couple the output surface to the substrate.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: May 20, 2014
    Inventor: Robert Saccomanno
  • Patent number: 8708527
    Abstract: A light module includes a light source and an optical lens. The light source emits light to the optical lens. The light source is a single unit and has a parallelizing surface, a first plane, a wave surface, and a second plane in sequence. The light source emits light to the optical lens and through the parallelizing surface, the first plane, the wave surface, and the second plane in sequence to form a parallel linear light.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: April 29, 2014
    Assignee: Asia Optical Co., Inc.
    Inventors: Hua-tang Liu, Ching-Shiang Wang
  • Patent number: 8696173
    Abstract: A lamp is provided which is suitable for use in low-profile applications. The lamp includes a light source and a lens. The lens includes a first surface opposite a second surface, where the second surface includes an injection surface and the first surface includes a multi-faceted optical element converging towards the injection surface. The light source injects light into the lens via the injection surface and the light refracts through the first surface while total internally reflecting off the first surface and the second surface toward the periphery of the lens.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: April 15, 2014
    Assignee: GE Lighting Solutions, LLC
    Inventors: Lucas Urtiga, Eden Dubuc, Sebastien Magnan
  • Patent number: 8684560
    Abstract: A semiconductor light source apparatus can adjust a color tone of white light. The semiconductor light source apparatus can include a phosphor wheel, a motor rotating the phosphor wheel, a light source and a moving module. The phosphor wheel can include at least one phosphor layer configured to emit excited light. The phosphor wheel can vary a mixing ration of white light that is created by light emitted from the light source and the light excited by the at least one phosphor layer in accordance with a position of the phosphor wheel emitted by the light source. The moving module that is connected to the motor can adjust the position of light emitted from the light source. Thus, the disclosed subject matter can provide a semiconductor light source apparatus that can adjust a color tone of white light and a lighting unit using the light source apparatus, which can be used for a projector, lamp, etc.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: April 1, 2014
    Assignee: Stanley Electric Co., Ltd.
    Inventor: Takashi Sugiyama
  • Publication number: 20140071692
    Abstract: An illumination system includes at least an LED module, and at least an illuminated area. The LED module includes an LED, and a lens mounted in light path of the LED. The lens includes a light source recess, a first light emitting surface, a critical reflecting surface, and a second light emitting surface intersecting with the first light emitting surface and being on same side with the first light emitting surface. The first light emitting surface can receive more light quantity than the second light emitting surface. Although the light emitted from the first light emitting surface may have greater attenuation than the light emitted from the second light emitting surface, light emitted from the first light emitting surface can make up the intensity losses of attenuation as the first light emitting surface receives more light quantity than the second light emitting surface. As a result, the illumination system 100 have uniform illumination pattern.
    Type: Application
    Filed: August 26, 2013
    Publication date: March 13, 2014
    Applicants: NINGBO SELF ELECTRONICS CO., LTD., NINGBO HI-TECH PARK COIL ELECTRONICS CO., LTD., NINGBO HI-TECH PARK SELF ELECTRONICS CO., LTD., SELF ELECTRONICS USA CORPORATION
    Inventor: Wanjiong Lin
  • Patent number: 8662721
    Abstract: An aircraft external lighting system and method is applicable to aircraft position, navigation and strobe lights. The lighting system includes a light source, a cylindrical lens adjacent the light source, and a lenticular lens between the light source and the cylindrical lens.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: March 4, 2014
    Inventors: Nathan Howard Calvin, Dean Andrew Wilkinson
  • Publication number: 20140043813
    Abstract: A light dispersion device for providing a predictable lighting pattern comprising a Light Emitting Diode (LED) source and a lens. The lens comprising a first optical element for collecting light emitted by the LED source and refracting light into an intermediate lighting pattern, and a second optical element for collecting at least light refracted in the intermediate lighting pattern and refracting light into the predictable lighting pattern. A lens comprising a first optical element for collecting light emitted by a source of light and refracting light into an intermediate lighting pattern, and a second optical element for collecting at least light refracted in the intermediate lighting pattern and refracting light into the predictable lighting pattern.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 13, 2014
    Applicant: GROUPE LEDEL INC.
    Inventors: Jean-Guy Dubé, Jean Morin, Camille Chagnon, Richard Lang
  • Patent number: 8632225
    Abstract: An optical lens includes: a lens body having an outer surface extending in a longitudinal direction (a first direction) and formed to be symmetrical in a lateral direction (a second direction); and a cavity formed at a lower portion of the lens body and having inner side faces asymmetrical in the longitudinal direction.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: January 21, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Hoe Koo, Sang Ho Yoon, Hyun Jung Kim, Ki Un Lee, Hyung Jin Kim, Kyeong Ik Min
  • Patent number: 8616753
    Abstract: An optical sheet includes a light-passing base sheet, a plurality of light-passing first patterns formed on a front major surface of the base sheet, and a plurality of light-passing second patterns formed on a rear major surface of the base sheet. The first patterns protrude from the front surface of the base sheet, a top portion of each of the second patterns makes contact with the rear surface of the second patterns while a larger lower surface of each of the second patterns is exposed to serve as a light receiving surface. Voids having relatively low refractive indices are formed between the light-passing second patterns. The optical sheet employs just one base sheet in one embodiment, thereby reducing a manufacturing cost of the optical sheet.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: December 31, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Mo Kim, Jinsung Choi, Donghoon Kim, Seunghwan Chung
  • Patent number: 8596831
    Abstract: In a light beam controlling member, a projecting section has a third surface between a first surface (incident surface) and a second surface (total reflection surface). The third surface is formed into an angled surface that is angled in relation to an optical axis, of which one end section joined with the first surface is positioned further to a light source side than another end section joined with the second surface. The overall light that has entered the third surface of each of a plurality of projecting sections is refracted by the third surface towards an exit surface side with positive power.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: December 3, 2013
    Assignee: Enplas Corporation
    Inventor: Tomohiro Saito