Not Integrated With Device (epo) Patents (Class 257/E33.071)
  • Patent number: 12181147
    Abstract: This invention relates to a safety measure taken against unsafe exposure of high-intensity laser light that is relevant for the reliable and safer operation of laser-based lighting devices. According to this invention, a lighting device comprises a first light-emitting semiconductor device and a light-conversion device. The first light-emitting semiconductor device is a laser device configured to generate a first light output and the 5light-conversion device is configured to receive the first light output and convert at least part of the first light output into a converted light output. The lighting device further comprises an optical element configured to receive the converted light output from the light-conversion device. The optical element is configured to transmit the converted light output and the first light output, and attenuate the first light output above a threshold value of the first light output.
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: December 31, 2024
    Assignee: SIGNIFY HOLDING, B.V.
    Inventors: Robert Van Asselt, Dominique Maria Bruls, Rifat Ata Mustafa Hikmet
  • Patent number: 12140281
    Abstract: An arrangement (1) for forming into a luminaire, the arrangement (1) comprising: one or more optical cells (10) each including means for receiving, collecting and redistributing light from a respective one of one or more light sources (32), e.g. LEDs; and a configuring element (20) for accommodating the one or more optical cells (10) in a predefined relative configuration or pattern; wherein the configuring element (20) comprises a sheet or plate or film of material having one or more apertures (22) therein in the said predefined relative configuration or pattern, each aperture (22) being for receiving therein a respective one of the said cells (10).
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: November 12, 2024
    Assignee: IQS GROUP s.r.o.
    Inventors: Marek Skeren, Zbynek Ryzi, Tomas Tethal, Roman Houha
  • Patent number: 12125860
    Abstract: An image sensor that includes a sensor substrate provided with a sensor surface on which a photodiode is arranged in a planar manner, a sealing resin applied to a side of the sensor surface of the sensor substrate, sealing glass bonded to the sensor substrate via the sealing resin, and a reinforcing resin made of a resin material having higher rigidity than the sealing resin and formed on an outer periphery of the sealing resin to bond the sensor substrate and the sealing glass. The sealing resin is formed to have a smaller area than each of the sensor substrate and the sealing glass, so that the reinforcing resin is formed to fill a gap provided on the outer periphery of the sealing resin, the sensor substrate and the sealing glass facing each other through the gap.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: October 22, 2024
    Assignee: SONY CORPORATION
    Inventor: Hiroshi Isobe
  • Patent number: 12124131
    Abstract: A method of manufacturing a planar light source includes: providing a wiring substrate including: an insulating layer defining a first through-hole and a second through-hole that are separated from each other, and a first wiring layer and a second wiring layer that are disposed below the insulating layer, wherein the first wiring layer is separated from the first through-hole and the second wiring layer is separated from the second through-hole, and wherein, in a top plan view, the first wiring layer and the second wiring layer are arranged at two opposite sides with respect to the first through-hole and the second through-hole; disposing a light guide member and a light source above the wiring substrate; and forming (i) a first wiring member that fills the first through-hole, and (ii) a second wiring member that is separated from the first wiring member and fills the second through-hole.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: October 22, 2024
    Assignee: NICHIA CORPORATION
    Inventors: Yasunori Shinomiya, Toru Hashimoto
  • Patent number: 12117642
    Abstract: A backlight includes a plurality of discrete light sources configured to face a display, and an optical film disposed on the light sources and below and proximate a first plane. The optical film includes a plurality of through-holes extending between first and second major surfaces of the optical film. Each through-hole has a first opening at the first major surface, and a second opening at the second major surface with an open area A2. Each through-hole has length, H, such that H/A2 is greater than or equal to about 0.13.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: October 15, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Hideaki Shirotori, Kazuhiko Toyooka, Sayaka Kado, Gary T. Boyd
  • Patent number: 12078312
    Abstract: A lighting assembly is provided for a lighting device of a motor vehicle. The lighting assembly includes an objective module with at least one objective lens mounted in a lens holder. The objective module also includes at least two first pins. The lighting assembly further includes a light source module with at least one light source mounted on a heat sink element, and with at least two first cavities. The objective module and the light source module are joined by adhesive joints between the first pins and the first cavities. The lens holder further includes the first pins, and/or the heat sink element comprises the first cavities.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: September 3, 2024
    Assignee: Hella GmbH & Co. KGaA
    Inventors: Frank Brinkmeier, Heinz-Michael Dirks, Miguel Lebrato-Rastrojo, Frank Passgang, Timo Puls, Thomas Albert Röbbecke, Frank Sohrweide, Christian Wieck, Thomas Wiese, Martin Wüller
  • Patent number: 12074253
    Abstract: Provided is a method of producing semiconductor nanoparticles that exhibit a band-edge emission, and are superior in quantum yield. The method includes raising the temperature of a first mixture containing a silver (Ag) salt, a salt containing at least one of indium (In) and gallium (Ga), a solid compound that serves as a supply source of sulfur (S), and an organic solvent to a temperature in a range of from 125 ?C to 175 ?C, and heat-treating, subsequent to the raising of the temperature, the first mixture at a temperature in a range of from 125 ?C to 175 ?C for three seconds or more to obtain a solution containing semiconductor nanoparticles, and decreasing the temperature of the solution containing semiconductor nanoparticles. The solid compound that serves as a supply source of S contains thiourea.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: August 27, 2024
    Assignees: OSAKA UNIVERSITY, National University Corporation Tokai National Higher Education and Research System, NICHIA CORPORATION
    Inventors: Susumu Kuwabata, Taro Uematsu, Kazutaka Wajima, Tsukasa Torimoto, Tatsuya Kameyama, Daisuke Oyamatsu
  • Patent number: 12066158
    Abstract: Disclosed is a lamp for a vehicle. The lamp for a vehicle includes a first optical module that forms a first light distribution pattern, and including a first light source part and a first condensing lens part that condenses light emitted from the first light source part, a second optical module that forms a second light distribution pattern, and including a second light source part and a second condensing lens part that condenses light emitted from the second light source part, and a third optical module that forms a third light distribution pattern, and including a third light source part and a third condensing lens part that condenses light emitted from the third light source part, the first optical module, the second optical module, and the third optical module are arranged in a vertical direction.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: August 20, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Min Ji Jin
  • Patent number: 11824147
    Abstract: In an embodiment a component includes a carrier, at least one optoelectronic part arranged on the carrier, the optoelectronic part configured to emit electromagnetic radiation, a frame arranged on the carrier and enclosing a part space, wherein the optoelectronic part is arranged in the part space, and wherein the frame comprises a reflector, and a lens arranged on the frame and at least partially covering an opening of the part space, wherein the reflector is configured to direct the electromagnetic radiation onto the lens, wherein the lens is configured to direct the electromagnetic radiation of the optoelectronic part, and wherein the lens comprises at least a partial pyramidal-shaped section on a first side face facing toward the optoelectronic part.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: November 21, 2023
    Assignee: OSRAM OLED GmbH
    Inventor: Claus Jäger
  • Patent number: 11703972
    Abstract: A force sensor including a first surface and a second surface facing each other in a first direction; a first protrusion protruded from the first surface toward the second surface; a first electrode on the first protrusion; a first force sensing layer on the first electrode; a second protrusion protruded from the second surface toward the first surface; and a second electrode on the second protrusion; wherein the first protrusion and the second protrusion are not overlapped with each other or are partially overlapped with each other.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ki Hong, Sung Kook Park, Tae Hee Lee
  • Patent number: 11675230
    Abstract: To provide a backlight that reduces the number of LEDs used while facilitating the attempt to make the backlight smaller in thickness. On a mount substrate (11), LEDs (13) are mounted in a square lattice arrangement. Over a portion near the center of each unit of the square lattice, protrusions (15) of a diffusion plate (14) are disposed. Among light emitted from the LEDs (13), light traveling in lateral directions between the mount substrate (11) and the diffusion plate (14) is captured by the protrusions (15). The captured light is refracted and reflected by the interfaces of the protrusions (15), and diffused due to diffusing particles, with the result that the light is turned into upward illumination light.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: June 13, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Takuma Horiuchi, Takumi Miyashita, Kiyokazu Watanabe
  • Patent number: 11624866
    Abstract: A light guide for a luminaire is provided. The light guide includes: an elongated base comprising a light emitting surface at a distal end, and opposing major faces; and a plurality of collimators arranged in an adjacent manner and projecting in a proximal direction from the base, wherein each collimator has a light receiving surface at a proximal end, wherein each collimator expands laterally outwardly in a distal direction. Substantially all light received at the light receiving surfaces internally reflects through the collimators and the base and emits from the light emitting surface.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: April 11, 2023
    Assignee: LMPG INC.
    Inventors: Scott Santoro, Kenton Keng Ting Wong
  • Patent number: 11572994
    Abstract: The subject inventive arrangement produces a light guide that may be of any curved shape that produces and obtains a lighting appearance of a uniform or homogenous lit appearance at the light exit face by using a single light source and a single light-reflective coupler. The present invention is premised on a light guide system that includes a light guide; a light source; and a coupler positioned at the light source that is configured to receive generated light. The coupler is adapted to produce a collimated light beam from the light source. A stepped reflective surface is formed along a light reflecting face of the light guide by a plurality of light reflective facets and a plurality of lateral surfaces, which are configured to receive and direct collimated light towards a light-emitting exit face.
    Type: Grant
    Filed: December 14, 2019
    Date of Patent: February 7, 2023
    Assignee: Valeo North America, Inc.
    Inventors: Lionel Floc'h, Michael Kratoska, Ignacio Everardo Orozco, Brant Potter
  • Patent number: 11402568
    Abstract: A light emitting device includes a light source, a light guide member, and a defining member. The light source is configured to emit light. The light guide member is configured to guide the light and having a light incident end surface on which the light is to be incident. The defining member is arranged between the light source and the light guide member to define a distance between the light source and the light incident end surface of the light guide member. The defining member includes a light passage member configured to allow the light to pass between the light source and the light incident end surface, and a light transmission member configured to transmit the light between the light passage member and the light incident end surface. The light source is spaced apart from the light transmission member.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: August 2, 2022
    Assignee: NICHIA CORPORATION
    Inventor: Noriaki Hiraide
  • Patent number: 11255510
    Abstract: A decorative bulb with inner lens includes a mounting base; a light bulb covering mounted on the mounting base; an optical lens, comprising a mounting part and a lens part integrally formed with the mounting part, the lens part is a semi-ellipsoid structure, and the lens part is provided with a light refraction strengthening part on an outer surface of the lens part, the light refraction strengthening part extends from a top of the lens part along the outer surface of the lens part to a bottom of the lens part, and a cross section of the light refraction strengthening part is in a shape of annular wave; a light unit mounted in the cone-shaped cavity.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: February 22, 2022
    Assignee: ZHANGZHOU GO WIN LIGHTING CO., LTD
    Inventors: Xiongzhong Lin, Yao Liu
  • Patent number: 10804448
    Abstract: A lens for distribution of light from a light emitter having an emitter axis. The lens comprising an inner surface and an output surface with faceted and smooth outer regions. At least one of the faceted outer regions is formed by a plurality of pairs of transverse outer regions extending in direction of a plane of bilateral symmetry of the lens. The inner surface defines an inner cavity about the emitter axis and has inner-surface stepwise discontinuities formed by a plurality of pairs of transverse inner regions with intersection regions therebetween. The lens may also have at least two secondary surface portions spaced apart and extending along two sides of the inner surface, the secondary surface portions being configured for total internal reflection (TIR) of light received from the inner surface.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: October 13, 2020
    Assignee: IDEAL INDUSTRIES LIGHTING LLC
    Inventors: Eric Tarsa, Kurt Wilcox, Bin Hou, Ted Lowes
  • Patent number: 10760768
    Abstract: An optical device comprises: at least one first reflecting surface disposed so as to reflect first light that has a light distribution having an optical axis parallel to a first axis, to an arc-shaped first region surrounding the first axis; and a second reflecting surface and a third reflecting surface that are disposed such that the second reflecting surface and the third reflecting surface meet each other on the first axis, and such that the first reflecting surface is disposed between the second reflecting surface and the third reflecting surface.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: September 1, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Wataru Kitahara, Yoshinori Momose, Wataru Ogura
  • Patent number: 10473292
    Abstract: A luminaire module delivers light with a beam angle of ?. The luminaire module includes a light emitting module and a reflector positioned symmetrically about an axis. Light produced by the light emitting module exits the light emitting module from one or more spatially-extended light emitting portions. The light emitting portion(s) is (are) fully contained within a spatially extended notional design envelope which is used to guide the design of reflector and its corresponding reflective surface, such that when any light exiting the light emitting portions through the design envelope strikes the reflective surface of the reflector, the light does not return to the source and escapes from the luminaire module within a beam angle ?, with no more than a single reflection from a reflector.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: November 12, 2019
    Assignee: Quarkstar LLC
    Inventors: George E. Smith, Robert C. Gardner, Roland H. Haitz, Louis Lerman
  • Patent number: 10133164
    Abstract: A projection display apparatus of the present disclosure includes a solid state light source that emits blue light in a first wavelength range; a wheel having a light-emitting body that emits emission light in a second wavelength range closer to the longer wavelengths than the first wavelength range is and adjacent to the first wavelength range, in response to irradiation with the blue light; a light uniformizing element that uniformizes the blue light and the emission light; a light modulation element that modulates light uniformized by the light uniformizing element; and a projection unit that projects the light modulated by the light modulation element. An end of the light-emitting body that the blue light enters has a dichroic coating that partly reflects the blue light and transmits emission light.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: November 20, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Michihiro Okuda
  • Patent number: 9982862
    Abstract: Light guiding elements having a light guiding section extending between a light entrance surface for coupling in light and a light exit surface for coupling out light from the light guiding element through the light exit surface. The light exit surface extends along an exit surface longitudinal direction. The light guiding section has at least a first and a second lateral surface extending from the light entrance surface to the light exit surface such that light can be guided by total internal reflection from the light entrance surface to the light exit surface. The form of the light entrance surface differs from that of the light exit surface. The light guiding section has a roof section extending toward the light exit surface in which the first and the second lateral surfaces taper toward each other with respect to the exit surface longitudinal direction.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: May 29, 2018
    Assignee: Automotive Lighting Reutlingen GmbH
    Inventors: Emil P. Stefanov, Christian Buchberger
  • Patent number: 9862312
    Abstract: A motion sickness countermeasure system for a user within a vehicle having a light array system configured to output visual stimuli presented in a field of view of the user; and a controller outputting a control signal to the light array system to activate the light array system in such a way as to mimic the visual input one would receive if one were to look outside the vehicle.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: January 9, 2018
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Michael Sivak, Brandon Schoettle
  • Patent number: 9612511
    Abstract: A solid state light source device for generating a constant broad band light useful in multiple SLM projectors. The light source device includes a blue or UV/near UV excitation light and a moving plate carrying wavelength conversion materials to convert the excitation light into a broad band light. The wavelength conversion materials include red, green, yellow and/or blue phosphors, and may pass some of the blue excitation light. The broad band light outputted by the phosphor plate includes at least two primary color components and has a constant intensity and spectrum as a function of time. The solid state light source device further includes a second light source such as a blue light source, and a light combination device which combines the output light of the moving phosphor plate and the light from the second light source into one beam of constant, broad band light.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: April 4, 2017
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei Hu, Yi Li, Yi Yang
  • Patent number: 9513539
    Abstract: To provide a projector which enables a stable projection for a long period of time, there is provided a projector comprising a light source unit, a display device, a projection-side optical system, a light guiding optical system and a projector control unit, wherein the light source unit comprises an excitation light source unit comprising an excitation light source and a microlens array and a rectangular green luminescent plate which receives light emitted from the excitation light source to emit light in a green wavelength band, and the microlens array is disposed between the excitation light source and the luminescent plate and has a plurality of micro convex lenses which each have a similar shape to the shape of the luminescent material layer are arranged into a matrix, so as to convert light from excitation light source into a plurality of pencils of light to shine them onto the luminescent plate.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: December 6, 2016
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Hideyuki Kurosaki
  • Patent number: 9509966
    Abstract: A projector in an illumination optical system includes a laser light source, a synchronization signal processor that converts synchronization signals that are synchronized with video signals input from outside the projector into video signals to be used inside the projector, an LD driver that controls a lighting state of the laser light source according to the synchronization signals output from the synchronization signal processor, an LED (Light Emitting Diode) light source, an LED driver that controls a lighting state of the LED light source according to the synchronization signals output from the synchronization signal processor, a rotational state detector that detects a rotational state of a phosphor wheel, and a phosphor wheel driver that, based on a detected result of the rotational state detector, controls the rotational state of the phosphor wheel.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: November 29, 2016
    Assignee: NEC DISPLAY SOLUTIONS, LTD.
    Inventors: Hiroyuki Saitou, Atsushi Katou, Motoyasu Utsunomiya, Akihiro Osaka, Masateru Matsubara
  • Patent number: 9454068
    Abstract: A projection-type image display apparatus includes a light source unit that emits light, an image generating unit that generates image light according to an input video signal, a light-guide optical system that guides the light from the light source unit to the image generating unit, and a projection optical system that projects the image light generated by the image generating unit. The light source unit includes a light source that produces light, phosphor that is excited by the light from the light source, and a dichroic mirror that directs the light from the light source to the phosphor. The dichroic mirror is arranged with an incident angle of the light from the light source being 50° or more and 60° or less.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: September 27, 2016
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Takaaki Tanaka
  • Patent number: 8969901
    Abstract: A light emitting device includes a first semiconductor layer, an active layer, and a second semiconductor layer, and first and second electrodes electrically connected to the first and second semiconductor layers, respectively. The second electrode includes a reflective pad portion, a transparent electrode layer, a reflective finger portion and an electrode pad portion. The reflective pad portion is disposed in a region of an upper surface of the second semiconductor layer. The transparent electrode layer is disposed on the second semiconductor layer and has an opening encompassing the reflective pad portion such that the transparent electrode layer is not in contact with the reflective pad portion. The reflective finger portion extends from the reflective pad portion and has at least a portion thereof disposed on the transparent electrode layer. The electrode pad portion covers the reflective pad portion to be in contact with the transparent electrode layer.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: March 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Young Choi, Jae Ho Han, Ki Seok Kim, Wan Ho Lee, Myeong Ha Kim, Hae Soo Ha
  • Patent number: 8952406
    Abstract: Lighting devices including light-emitting diodes and associated devices, systems, and methods are disclosed herein. A lighting device configured in accordance with a particular embodiment includes a lighting-emitting diode and an optical component along a radiation path of the lighting-emitting diode. The optical component includes a color-converting material with walls defining a pattern, the walls extending generally entirely through a thickness of the color-converting material. A total surface area of the walls within a primary zone of the optical component is greater than a total surface area of color-converting features at a major side of the color-converting material. A method for making a lighting device in accordance with a particular embodiment includes combining an optical component and a light-emitting diode, and shaping a color-converting material of the optical component to have a thickness and a pattern of walls selected to control the color of light output from the lighting device.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: February 10, 2015
    Assignee: Micron Technology, Inc.
    Inventor: Martin F. Schubert
  • Patent number: 8802464
    Abstract: A method for fabricating a process substrate includes: providing a first substrate; providing a substrate and an auxiliary substrate; contacting the substrate and the auxiliary substrate with each other in a vacuum state, thereby forming micro spaces of a vacuum state between the substrate and the auxiliary substrate; and increasing a pressure at the outside of the contacted substrate and auxiliary substrate to attach the substrate and the auxiliary substrate to each other by a pressure difference between the micro spaces and the outside of the contacted substrate and auxiliary substrate.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: August 12, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Ki-Yong Kim, Jae Young Oh, Yong-Su An, Sung-Ki Kim, Gi-Sang Hong, Jin-Bok Lee, Sang-Hyuk Won, Dong-Kyu Lee
  • Patent number: 8797633
    Abstract: The present invention is directed to a display device assembly which comprises a display device and a luminance enhancement structure. The luminance enhancement structure is directly laminated onto an ITO layer with an adhesive. The assembly of the present invention provides improved performance of the luminance enhancement structure.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: August 5, 2014
    Assignee: SiPix Imaging, Inc.
    Inventors: Robert A. Sprague, Bryan Hans Chan, Craig Lin
  • Patent number: 8759124
    Abstract: A light emitting apparatus comprises an electrically insulating base member; a pair of electrically conductive pattern portions formed on an upper surface of the base member; at least one light emitting device that is electrically connected to the pair of electrically conductive pattern portions; and a resin portion that surrounds at least a side surface of the at least one light emitting device and partially covers the pair of electrically conductive pattern portions. Each of the pair of electrically conductive pattern portions extends toward a periphery of the base member from resin-covered parts of the electrically conductive pattern portions. At least the resin-covered parts of each of the electrically conductive pattern portions has at least one elongated through hole extending in a direction in which the electrically conductive pattern portions extend from the resin-covered parts, wherein the resin portion contacts the base member via the through holes.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: June 24, 2014
    Assignee: Nichia Corporation
    Inventors: Tomonori Miyoshi, Kenji Ozeki, Tomoaki Tsuruha
  • Patent number: 8754427
    Abstract: A lens arrangement for an LED display device includes a lens. The lens has a first lens surface and an optical axis. The optical axis penetrates the first lens surface of the lens. Furthermore, the lens arrangement includes a transparent transition body, which is firmly coupled with the lens on the first lens surface, which is more temperature-resistant than the lens and which has an optical axis that is parallel to the optical axis of the lens.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: June 17, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Groetsch, Moritz Engl, Steffen Koehler, Simon Bluemel, Michael Hiegler, Thomas Zeiler
  • Patent number: 8742437
    Abstract: A pixel structure including a substrate, a color filter layer, a conductive light-shielding layer, a buffer layer, a scan line, a data line, an active device, and a pixel electrode is provided. The substrate has a pixel region. The color filter layer is disposed corresponding to the pixel region. The conductive light-shielding layer is disposed corresponding to the periphery of the pixel region. The buffer layer covers the conductive light-shielding layer and color filter layer. The scan line and the data line are disposed on the buffer layer. The active device is disposed on the buffer layer and electrically connected to the scan line and data line. The pixel electrode is disposed on the buffer layer and electrically connected to the active device, wherein an overlapping area between the pixel electrode and the conductive light-shielding layer constitutes a storage capacitor. A method for manufacturing the pixel structure is also provided.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: June 3, 2014
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8741673
    Abstract: The present invention relates to a polarized light emitting diode (LED) device and the method for manufacturing the same, in which the LED device comprises: a base, a light emitting diode (LED) chip, a polarizing waveguide and a packaging material. In an exemplary embodiment, the LED chip is disposed on the base and is configured with a first light-emitting surface for outputting light therefrom; and the waveguide, being comprised of a polarization layer, a reflection layer, a conversion layer and a light transmitting layer, is disposed at the optical path of the light emitted from the LED chip; and the packaging material is used for packaging the waveguide, the LED chip and the base into a package.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: June 3, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Cheng-Huan Chen, Han-Ping Yang, Hung-Yi Lin, Cheng-Hsuan Lin
  • Patent number: 8735916
    Abstract: A pixel structure including a substrate, a color filter layer, a conductive light-shielding layer, a buffer layer, a scan line, a data line, an active device, and a pixel electrode is provided. The substrate has a pixel region. The color filter layer is disposed corresponding to the pixel region. The conductive light-shielding layer is disposed corresponding to the periphery of the pixel region. The buffer layer covers the conductive light-shielding layer and color filter layer. The scan line and the data line are disposed on the buffer layer. The active device is disposed on the buffer layer and electrically connected to the scan line and data line. The pixel electrode is disposed on the buffer layer and electrically connected to the active device, wherein an overlapping area between the pixel electrode and the conductive light-shielding layer constitutes a storage capacitor. A method for manufacturing the pixel structure is also provided.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: May 27, 2014
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8698174
    Abstract: This invention relates to a semiconductor light-emitting device including a semiconductor light-emitting chip and a transparent carrier. The semiconductor light-emitting chip includes an active layer and transparent substrate. The active layer emits light under a bias. At least a portion of the light emitted from the active layer enters into the transparent carrier through the transparent substrate. The semiconductor light-emitting chip is coupled to the transparent carrier through the transparent substrate. The area of the transparent carrier is larger than that of the active layer.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: April 15, 2014
    Assignee: Epistar Corporation
    Inventor: Min-Hsun Hsieh
  • Patent number: 8673662
    Abstract: A light-emitting diode (LED) cutting method includes the following steps: positioning and retaining an LED die or an LED epitaxial substrate on a die retainer; introducing a liquid medium for preventing reflection of sound wave between a cutting tool and the die; activating a power source to drive a magnetostrictive material or piezoelectric ceramic material mounted on a machine to serve as a kinetic source by inducing volume expansion/compression that generates an up-and-down piston-like movement; and operating the cutting tool having super hard micro-particles of diamond, CBN, or SiC electroformed on the cutting tool to perform breaking cutting on an LED workpiece.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: March 18, 2014
    Inventor: Tien-Tsai Lin
  • Patent number: 8648372
    Abstract: A light emitting device includes a plurality of LEDs that each emit light. A wavelength conversion member converts wavelengths of at least part of the light emitted from the LEDs to at least one other wavelength, and outputs light obtained by combining light having at least two wavelengths emitted from the wavelength conversion member. At least part of a light emitting surface of the wavelength conversion member has a surface state that differs from other parts of the light emitting surface.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: February 11, 2014
    Assignee: Panasonic Corporation
    Inventor: Atsuyoshi Ishimori
  • Patent number: 8643043
    Abstract: An LED lighting device A1 includes a plurality of LED chips 32, an LED unit 2 in which the LED chips 32 are mounted, and a mount 1 holding the LED unit 2. This arrangement allows the appearance or structure of the LED lighting device to be adapted for various applications. For instance, the LED lighting device may be mounted on an indoor ceiling to illuminate the floor surface or an upper part of a wall surface.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: February 4, 2014
    Assignee: Rohm Co., Ltd.
    Inventors: Hirotaka Shimizu, Mitsunori Nagashima
  • Patent number: 8643033
    Abstract: A light emitting device includes a substrate elongated in a lengthwise direction; a plurality of LED chips disposed on the substrate in an intermediate region in widthwise direction, and aligned along the lengthwise direction at a distance of 80 ?m or less; and interconnection wirings formed on regions outside the intermediate region in the widthwise direction; wherein each of the LED chips has a p-side electrode disposed on the substrate, a p-type semiconductor layer disposed on the p-side electrode, an active layer formed on the p-type semiconductor layer, and an n-type semiconductor layer formed on the active layer, and has a region in which the n-type semiconductor layer, the active layer, and the p-type semiconductor layer are patterned, and an n-side electrode formed selectively on a surface of the n-type semiconductor layer and connected to the p-side electrode of an adjacent LED chip through the interconnection wiring.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: February 4, 2014
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Tatsuma Saito, Mamoru Miyachi
  • Publication number: 20140014988
    Abstract: Lighting devices including light-emitting diodes and associated devices, systems, and methods are disclosed herein. A lighting device configured in accordance with a particular embodiment includes a lighting-emitting diode and an optical component along a radiation path of the lighting-emitting diode. The optical component includes a color-converting material with walls defining a pattern, the walls extending generally entirely through a thickness of the color-converting material. A total surface area of the walls within a primary zone of the optical component is greater than a total surface area of color-converting features at a major side of the color-converting material. A method for making a lighting device in accordance with a particular embodiment includes combining an optical component and a light-emitting diode, and shaping a color-converting material of the optical component to have a thickness and a pattern of walls selected to control the color of light output from the lighting device.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 16, 2014
    Applicant: Micron Technology, Inc.
    Inventor: Martin F. Schubert
  • Publication number: 20130335655
    Abstract: The present invention provides a substrate for array process of panel display device, which includes a cell switch set and a PVSA mode pad set. Cell switch set includes a plurality of switch elements. PSVA mode pad set includes a data scan pad and a common electrode pad. Data scan pad is connected through some switch elements of cell switch set to a plurality of scan lines and data lines. Common electrode pad is connected through switch element to common electrode line in the area. The present invention further provides a panel display device and manufacturing method of liquid crystal display panel. In this manner, the present invention reduces the number of pads in PSVA mode pad set to simplify peripheral routes.
    Type: Application
    Filed: June 26, 2012
    Publication date: December 19, 2013
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
    Inventor: Cheng-hung Chen
  • Publication number: 20130321731
    Abstract: The present invention provides a panel and panel manufacture method, including: completing thin film transistor array and common electrode on glass substrate, forming adjacent substrate pair, adjacent substrate pair including first substrate and second substrate connected by adjacent line, common electrodes on first substrate and second substrate symmetrically distributed with respect to adjacent line; coating a first seal on peripheral area of adjacent substrate pair, coating a second seal along adjacent sides of first substrate and second substrate, second seal and first seal being partially overlapping, at least one of first seal and second seal including conductive particles; boxing adjacent substrate pair and filter substrate pair so that conductive particles conducting common electrodes of adjacent substrate pair and filter substrate pair; cutting adjacent substrate pair and filter substrate pair along adjacent lines to form panel. The present invention also provides a liquid crystal display panel.
    Type: Application
    Filed: June 12, 2012
    Publication date: December 5, 2013
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
    Inventor: Shih-Hsun Lo
  • Patent number: 8597966
    Abstract: A method for producing a semiconductor optical device includes a first etching step of etching a stacked semiconductor layer with a first mask to form a stripe-shaped optical waveguide, the stripe-shaped optical waveguide including first and second stripe-shaped optical waveguides formed on first and second regions of a substrate, respectively; a step of forming a second mask on the stacked semiconductor layer with the first mask left; and a second etching step of etching the stacked semiconductor layer on the first region with the first and second masks. The second mask has a pattern for forming a mesa structure and includes an opening including first and second opening edges remote from side surfaces of the first stripe-shaped optical waveguide. The mesa structure is formed of the first stripe-shaped optical waveguide in the second etching step. The second stripe-shaped optical waveguide formed in the first etching step has a ridge structure.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: December 3, 2013
    Assignee: Sumitomo Electric Industries Ltd.
    Inventor: Kenji Hiratsuka
  • Patent number: 8530912
    Abstract: A pixel structure including a substrate, a color filter layer, a conductive light-shielding layer, a buffer layer, a scan line, a data line, an active device, and a pixel electrode is provided. The substrate has a pixel region. The color filter layer is disposed corresponding to the pixel region. The conductive light-shielding layer is disposed corresponding to the periphery of the pixel region. The buffer layer covers the conductive light-shielding layer and color filter layer. The scan line and the data line are disposed on the buffer layer. The active device is disposed on the buffer layer and electrically connected to the scan line and data line. The pixel electrode is disposed on the buffer layer and electrically connected to the active device, wherein an overlapping area between the pixel electrode and the conductive light-shielding layer constitutes a storage capacitor. A method for manufacturing the pixel structure is also provided.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: September 10, 2013
    Assignee: Au Optronics Corporation
    Inventors: Tsung-Chin Cheng, Zeng-De Chen, Seok-Lyul Lee
  • Patent number: 8487333
    Abstract: An LED package includes a substrate, an LED chip, and an encapsulation. The substrate includes a first surface. The LED chip is mounted on the first surface of the substrate. The encapsulation covers the LED chip. The encapsulation includes a transparent main body and a number of carbon nanotubes distributed in the transparent main body; the carbon nanotubes are arranged substantially extending along a same direction whereby light generated by the LED chip is polarized prior to radiation out of the encapsulation.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: July 16, 2013
    Assignee: Advanced Optoelectronic Technology, Inc.
    Inventors: Meng-Hsien Hong, Ko-Wei Chien
  • Publication number: 20130161624
    Abstract: The present invention relates to a display device, which includes a substrate; a first conductive layer disposed on the substrate and including a first terminal; a first insulating layer disposed on the first conductive layer; a second conductive layer disposed on the first insulating layer and including a second terminal; a second insulating layer disposed on the second conductive layer; a profile relieving member disposed on the second insulating layer; and a contact assistant disposed on the profile relieving member, in which the profile relieving member covers a portion of an edge of at least one of the first terminal and the second terminal.
    Type: Application
    Filed: May 17, 2012
    Publication date: June 27, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Young LEE, Kyoung Tai HAN, Kyung-Suk JUNG
  • Patent number: 8455902
    Abstract: An optical device is equipped with a light receiving region 16a and a peripheral circuit region 22 located around the light receiving region 16a on a major surface of an light receiving element 11a; electrodes for external connection 15 electrically connected to the peripheral circuit region 22 formed on a back surface opposite to the major surface of the light receiving element 11a; a transparent member 12 covering the light receiving region 16a adhered on the major surface of the light receiving element 11a with a light-transmitting adhesive 13; and a molding resin 14 for coating side surfaces of the transparent member 12 and the major surface of the light receiving element 11a excluding the region covered with the transparent member 12.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: June 4, 2013
    Assignee: Panasonic Corporation
    Inventors: Kiyokazu Itoi, Toshiyuki Fukuda, Yoshiki Takayama, Tetsushi Nishio, Tetsumasa Maruo
  • Publication number: 20130126890
    Abstract: A method of forming an active matrix, light emitting diode (LED) array includes removing, from a base substrate, a layer of inorganic LED material originally grown thereupon; and bonding the removed layer of inorganic LED material to an active matrix, thin film transistor (TFT) backplane array.
    Type: Application
    Filed: November 23, 2011
    Publication date: May 23, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Stephen W. Bedell, Bahman Hekmatshoartabari, Devendra K. Sadana, Ghavam G. Shahidi, Davood Shahrjerdi
  • Patent number: 8444882
    Abstract: An anisotropic conductive film is provided that does not have a light-reflecting layer on a light emitting diode element which causes costs to increase when a light emitting device that uses an LED element is flip-chip mounted, and that does not cause emission efficiency to deteriorate. Further, a light emitting device that uses such an anisotropic conductive film is provided. This anisotropic conductive film has a structure in which a light-reflecting insulating adhesive layer and an anisotropic conductive adhesive layer are laminated, wherein the light-reflecting insulating adhesive layer has a structure in which light-reflecting particles are dispersed in an insulating adhesive. The light emitting device has a structure in which a light emitting diode element is flip-chip-mounted on a substrate, with this anisotropic conductive film provided between a connection terminal on the substrate and a bump for connection of the light emitting diode element.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: May 21, 2013
    Assignee: Sony Chemical & Information Device Corporation
    Inventors: Shiyuki Kanisawa, Hiroyuki Kumakura, Hidetsugu Namiki
  • Patent number: 8426877
    Abstract: A backlight module comprises a back plate, a first light source module, and an optical component. The optical component includes a side surface and a bottom surface perpendicularly connected to the side surface. The first light source module comprises a plurality of first LEDs disposed on the back plate and at the side surface of the optical component for emitting light at a first wavelength toward the side surface of the optical component. The light is directed in a specific direction by the optical component and then sent out from an emitting surface. The backlight module further comprises a second light source module. The second light source module comprises a plurality of second LEDs disposed near the bottom surface of the optical component for emitting light at a second wavelength toward the bottom surface of the optical component. Light produced after the light at the first wavelength mixes with the light at the second wavelength becomes white light after passing through the optical component.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: April 23, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yanxue Zhang, Yicheng Kuo