Patents Examined by Fatima Farokhrooz
-
Patent number: 9946007Abstract: A light guide includes opposed major surfaces and a light input edge extending therebetween. An array of micro-optical elements of well-defined shape at at least one of the opposed major surfaces corresponds to the light input edge. Each of the micro-optical elements in the array includes a longitudinal axis arranged within the range of angles relative to the light input edge. A path linearly extending along the light guide from the light input edge intersects at least a portion of the micro-optical elements in the array, at least one of the micro-optical elements along the path arranged with its longitudinal axis at a positive angle relative to the light input edge, and at least another one of the micro-optical elements along the path arranged with its longitudinal axis at a negative angle relative to the light input edge.Type: GrantFiled: December 16, 2014Date of Patent: April 17, 2018Assignee: Rambus Delaware LLCInventors: Dane A. Sahlhoff, Greg Coghlan, Todd Winski, Kurt Starkey
-
Patent number: 9908460Abstract: Presented is a motor vehicle light with a light source, a light conductor, which comprises a bordering decoupling volume opposite of a first side and a second side lying opposite the second side, wherein the second side comprises decoupling elements, which decouple light distributed about a principal propagation direction, and wherein the motor vehicle light comprises a colored shield which is positioned behind the second side in a direction opposite to the principal propagation direction. The shield is a black shield.Type: GrantFiled: November 20, 2013Date of Patent: March 6, 2018Assignee: Automotive Lighting Reutlingen GmbHInventor: Hubert Zwick
-
Patent number: 9903540Abstract: A light emitting apparatus and lighting fixture including a plurality of light emitting sub assemblies, each sub assembly comprising a plurality of LEDs. At least one light emitting subassembly comprises a diffuser positioned in front of a light emitting side of the LEDs on the subassembly. At least one of the other light emitting subassembly comprises a reflector reflecting light emitted from the LEDs.Type: GrantFiled: February 6, 2015Date of Patent: February 27, 2018Assignee: Appalachian Lighting Systems, Inc.Inventor: James J. Wassel
-
Patent number: 9887294Abstract: It is an object of the present invention to provide a method for manufacturing a display device in which unevenness generated under a light-emitting element does not impart an adverse effect on the light-emitting element. It is another object of the invention to provide a method for manufacturing a display device in which penetration of water into the inside of the display device through a film having high moisture permeability can be suppressed without increasing processing steps considerably. A display device of the present invention comprises a thin film transistor and a light-emitting element, the light-emitting element including a light-emitting laminated body interposed between a first electrode and a second electrode; wherein the first electrode is formed over an insulating film formed over the thin film transistor; and wherein a planarizing film is formed in response to the first electrode between the first electrode and the insulating film.Type: GrantFiled: May 14, 2015Date of Patent: February 6, 2018Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masayuki Sakakura, Shunpei Yamazaki
-
Patent number: 9871170Abstract: A light emitting device has a light emitting element, a package, a lead, and a cover film. The package is arranged to form at least part of an inner peripheral face of a recess portion. The light emitting element is housed in the recess portion. The lead is disposed on a bottom face of the recess portion. The lead is electrically connected to the light emitting element. The cover film is arranged to cover the inner peripheral face of the recess portion. The cover film has light transmissive and electrical insulation. The package includes a base material and a plurality of particles. The base material includes a resin. A coefficient of thermal expansion of the particles is different from a coefficient of thermal expansion of the base material. The particles are disposed at least near the inner peripheral face of the recess portion.Type: GrantFiled: June 9, 2014Date of Patent: January 16, 2018Assignee: Nichia CorporationInventors: Yukiko Oshima, Yoshiki Sato, Toshiyuki Okazaki, Takayoshi Wakaki
-
Patent number: 9869441Abstract: This invention provides an optical system that collects 100% of the light emitted from the light source and effectively directs it into the desired beam pattern. This is achieved by a combination of different optical control methods including reflector and lens optics. The cost is controlled by a design that reduces the optical part count to 2 main components, which reduces manufacturing and assembling time and maintains proper alignment to the light source and system.Type: GrantFiled: November 9, 2015Date of Patent: January 16, 2018Assignee: Magna International Inc.Inventor: Ronald O. Woodward
-
Patent number: 9863631Abstract: a light-monitoring apparatus includes a power source, a light detector, a computer processor coupled with the power source and in communication with the light detector and configured to receive and record light exposure detected by the light detector, an output device coupled with the computer processor, and a computer-readable medium coupled with the computer processor and storing instruction code for summing the recorded light exposure from the computer processor over time and communicating a signal to the output device to generate and communicate a signal indicating that a cumulative threshold light exposure for achieving a health benefit has been reached. The apparatus can accordingly be used by an individual to monitor cumulative light exposure from both natural and artificial sources, e.g., in the treatment of seasonal or non-seasonal depression.Type: GrantFiled: March 16, 2014Date of Patent: January 9, 2018Inventor: Douglas R. Storer
-
Patent number: 9849831Abstract: An illumination apparatus for a vehicle storage cavity is disclosed. The apparatus comprises a circuit disposed proximate to and extending significantly along an opening of the cavity. At least one proximity sensor and a plurality of LEDs suspended in a semiconductor ink are printed on the circuit. The circuit is configured to activate an emission from the LEDs in response to the proximity sensor detecting an object entering the storage cavity.Type: GrantFiled: June 8, 2015Date of Patent: December 26, 2017Assignee: Ford Global Technologies, LLCInventors: Stuart C. Salter, James J. Surman, Pietro Buttolo
-
Patent number: 9851091Abstract: Disclosed is a head mounted display (HMD) having light emitting devices. The HMD includes a body having a plurality of surfaces; and a plurality of light emitting units formed on the plurality of surfaces and configured to emit light to outside of the body, wherein each of the plurality of light emitting units includes at least four light emitting devices that are disposed in a straight line in a spaced manner such that a specific cross ratio defines spacing for each of the plurality of light emitting units, a cross ratio of one of the plurality of light emitting units being different from cross ratios of other light emitting units among the plurality of light emitting units.Type: GrantFiled: August 18, 2015Date of Patent: December 26, 2017Assignee: LG ELECTRONICS INC.Inventors: Soungmin Im, Sungjin Kim, Sungmin Baek
-
Patent number: 9841163Abstract: A luminaire includes a door frame assembly that comprises an end plate. The end plate includes a top edge and a bottom edge that is opposite to the top edge, where the end plate extends from the bottom edge to the top edge. Further, the end plate includes a notch. Furthermore, the end plate may include a light redirecting flange that may be coupled to or integral with the end plate. The light redirecting flange may be positioned adjacent the notch in the end plate and at an angle with the end plate to redirect light from a light source of the luminaire that exits through the notch back towards a lens of the luminaire.Type: GrantFiled: April 29, 2015Date of Patent: December 12, 2017Assignee: Cooper Technologies CompanyInventor: Steven Russell Clements
-
Patent number: 9816678Abstract: The invention relates to a light guide unit (3) for a light-emitting unit (1) for a projector lamp, in particular a motor vehicle headlamp, wherein the light-emitting unit (1) comprises a plurality of light sources (2), the light guide unit (3), and a downstream projection lens (4), wherein the light guide unit (3) has a plurality of light guides (30), wherein each light guide (30) has a light exit surface (30a), and wherein each light source (2) couples light precisely into a light guide (30) assigned thereto, and wherein adjacent light guides (30) are separated from one another by separating walls (31, 32).Type: GrantFiled: December 5, 2013Date of Patent: November 14, 2017Assignee: ZKW GROUP GMBHInventor: Irmgard Krenn
-
Patent number: 9810402Abstract: Provided are a light conversion substrate intended for converting an excited beam into a conversion beam, and a light emitting package including the light conversion substrate, the light conversion substrate being implemented in a structure in which side parts of the light conversion substrate for converting a beam emitted from a light emitting element are formed to have different tapers so that uniform color distribution can be implemented all over the entire surface of the light conversion substrate upon packaging the light conversion substrate with the light emitting element.Type: GrantFiled: February 13, 2015Date of Patent: November 7, 2017Assignee: LG INNOTEK CO., LTD.Inventors: Jin Gyeong Park, Won Jin Kim, In Jae Lee
-
Patent number: 9804484Abstract: A display device is provided with a plurality of solid-state light sources (101-103) and a coolant-circulating means (100) that is equipped with a flow path (100a) formed to pass through each of the solid-state light sources (101-103) and that circulates a coolant via the flow path (100a). Each of the solid-state light sources (101-103) has the property that the luminance thereof changes in response to a temperature change. The flow path (100a) is formed such that the coolant first passes through solid-state light sources having a greater degree of luminance change according to the above-described property of the solid-state light sources (101-103).Type: GrantFiled: May 18, 2011Date of Patent: October 31, 2017Assignees: NEC Corporation, NEC Display Solutions Ltd.Inventors: Masaki Chiba, Naoki Masuda
-
Patent number: 9798066Abstract: The present invention relates to a display device and a light guide plate thereof. According to an aspect of the present invention, there is provided a display device, including: a display panel configured to output an image to a front surface of the display device; a light source array arranged along at least one edge of the display device to output light; and a light guide plate arranged behind the display panel to guide light incident upon a side surface facing the edge from the light source array so that the light is projected through a front surface toward the display panel.Type: GrantFiled: August 18, 2015Date of Patent: October 24, 2017Assignee: New Optics, LtdInventors: Dong-Yong Kim, Jong-Moon Yoon, Min-Kyoung Park
-
Patent number: 9798076Abstract: Provided are: a light source device capable of preventing light from a light source disposed to face an end surface of a light guide plate from leaking to a side in which the light guide plate emits the light without providing a new member; and a display apparatus including the light source device. A light source unit 2 is disposed to face an end surface of a light guide plate 3, and a heat spreader supporting the light source unit 2 has a shape of covering the light source unit 2. A light from the light source unit 2 is irradiated to the end surface of the light guide plate 3, as well as the protrusive plates 71 and 72 side of the heat spreader. Since the light irradiated to the protrusive plate 71 side is shielded by the protrusive plate 71, the light does not leak to a panel chassis 5 side.Type: GrantFiled: July 24, 2014Date of Patent: October 24, 2017Assignee: Sakai Display Products CorporationInventor: Kouji Matsumoto
-
Patent number: 9763288Abstract: An EL panel including: a light-transmissive substrate; an EL element including a light-emitting medium layer interposed between a cathode and an anode, the EL element being provided on one surface of the light-transmissive substrate; and a protection sheet on the other surface of the light-transmissive substrate of the EL element. The protection sheet has a surface opposite to the light-transmissive substrate, the shape of the surface includes rounded convex shapes and prism shapes. Each of the rounded shapes has an apex that is a center point of a cross-section farthest from a bottom surface where the cross-section is parallel to the bottom surface of the unit convex shape and the area becomes smaller in a direction from the bottom surface of the rounded convex shape to a top portion thereof.Type: GrantFiled: July 8, 2015Date of Patent: September 12, 2017Assignee: TOPPAN PRINTING CO., LTD.Inventors: Kohhei Moronaga, Hideaki Homma, Akihito Kagotani
-
Patent number: 9759401Abstract: A lamp, comprising at least one light source (3), arranged in a housing (1) having at least one light exit opening, and at least one reflector (4), which is shaped in such a way that the light coming from the light source (3) is divided into at least two light beams, the light exit opening being at least partially covered by a cover panel (5), which has two surface portions (5a, 5b) on which the respectively corresponding light beams impinge, the surface portions (5a, 5b) being shaped in such a way that the predominant part of the light beams that is respectively directed onto a surface portion (5a, 5b) impinges on the surface portion (5a, 5b) at an angle of incidence which is less than 60°, in order to reduce the reflections from the cover panel (5).Type: GrantFiled: April 6, 2011Date of Patent: September 12, 2017Assignee: Siteco Beleuchtungstechnik GmbHInventor: Katrin Schroll
-
Patent number: 9753206Abstract: Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a body including a light output surface configured to output light, a reflective surface provided opposite the light output surface, and side surfaces provided between the light output surface and the reflective surface; and a plurality of dot pattern formed on a surface of the reflective surface, and the dot pattern includes a central embossed portion protruding to the outside of the reflective surface, a concave portion having a ring shape which surrounds the central embossed portion and recessed and formed in the reflective surface, and an outer embossed portion formed on an outer circumference surface of the concave portion and configured to protrude to the outside of the reflective surface.Type: GrantFiled: August 18, 2015Date of Patent: September 5, 2017Assignee: New Optics, LtdInventors: Dong-Yong Kim, Jong-Moon Yoon, Min-Kyoung Park
-
Patent number: 9753209Abstract: Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a light output surface configured to output light to the outside, a reflective surface positioned opposite the light output surface, a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light projected from a light source, and a reflection pattern having an embossed portion formed to protrude to the outside of the reflective surface and a concave portion having a ring shape which surrounds the embossed portion and recessed in the reflective surface, wherein the embossed portion has a recessed region.Type: GrantFiled: August 18, 2015Date of Patent: September 5, 2017Assignee: New Optics, LtdInventors: Dong-Yong Kim, Jong-Moon Yoon, Min-Kyoung Park
-
Patent number: 9719012Abstract: A tube lamp has a tubular portion that serves both as a light guide for energy from a solid state source and as a container for a material bearing a nanophosphor that is pumped by the energy from the source as the energy traverses the light guide. However, the tubular portion of the light guide also allows emission of light produced by the phosphor when excited. The material with the nanophosphor dispersed therein may appear either clear or translucent when the lamp is off and the nanophosphor is not excited by energy from the source.Type: GrantFiled: March 23, 2010Date of Patent: August 1, 2017Assignee: ABL IP HOLDING LLCInventors: Jack C. Rains, Jr., David P. Ramer