Abstract: The present invention relates to a safety workbench having a working chamber enclosed by a housing and a housing front side, which has a work opening, which is closable by an adjustable front pane, the front pane having at least one additional cleaning position, in which it is situated at least partially below a closed final position, in which the work opening is completely covered, in such a way that a cleaning opening is formed between pane top edge and housing. The front pane is easier and safer to clean than the previously known safety workbenches due to this additionally provided cleaning position.
Type:
Grant
Filed:
December 18, 2007
Date of Patent:
May 29, 2012
Assignee:
Thermo Electron LED GmbH
Inventors:
Olaf Broemsen, Christoph Noll, Edmund Frickel
Abstract: An improvement in a light therapy device including multiple light-emitting diodes (LEDs) positioned in a handheld portable device is disclosed. Where the housing and the LEDs are configured to have direct contact with the skin or tissue of the user without any intermediary materials, and light the surface and underlying layers of tissue for photodynamic stimulation of the cells. Two iterations of the device utilize light known to have a bactericidal effect in the case or acne or Rosacea. The devices are fabricated from an injection molded plastic housing. The housing contains an arrangement of 36-72 LEDs on a circuit board in an arrangement to provide even lighting over the skin or tissue surface.
Abstract: A nitride semiconductor light emitting device, and a method of manufacturing the same are disclosed. The nitride semiconductor light emitting device includes a substrate, an n-type nitride semiconductor layer disposed on the substrate and including a plurality of V-shaped pits in a top surface thereof, an active layer disposed on the n-type nitride semiconductor layer and including depressions conforming to the shape of the plurality of V-shaped pits, and a p-type nitride semiconductor layer disposed on the active layer and including a plurality of protrusions on a top surface thereof. Since the plurality of V-shaped pits are formed in the top surface of the n-type nitride semiconductor layer, the protrusions can be formed on the p-type nitride semiconductor layer as an in-situ process. Accordingly, the resistance to ESD, and light extraction efficiency are enhanced.
Abstract: There is provided a light emitting module including: a printed circuit board; a plurality of light emitting diode chips disposed at a distance from one another on a conductive pattern formed on a top of the printed circuit board; and a connector formed on a bottom of the printed circuit board and electrically connected to the plurality of light emitting diode chips. The light emitting diode chips and the connector are optimally arranged to ensure that the light emitting module is suitably utilized as a high-density linear light source including a great number of light emitting diode chips and emits light outward with minimum loss.
Type:
Application
Filed:
February 1, 2012
Publication date:
May 24, 2012
Applicant:
Samsung LED Co., Ltd.
Inventors:
Young Sam Park, Hun Joo Hahm, Hyung Suk Kim, Seong Yeon Han, Dae Hyun Kim, Do Hun Kim, Dae Yeon Kim
Abstract: A method and apparatus for providing a luminaire employing at least one Light Emitting Diode (LED) device as the light source and a metal beverage container as the luminaire housing.
Type:
Grant
Filed:
August 21, 2009
Date of Patent:
May 22, 2012
Assignee:
LED Transformations, LLC
Inventors:
John William Curran, Shawn Patrick Keeney
Abstract: An LED package module according to an aspect of the invention may include: a substrate having predetermined electrodes thereon; a plurality of LED chips mounted onto the substrate, separated from each other at predetermined intervals, and electrically connected to the electrodes; a first color resin portion molded around at least one of the plurality of LED chips; a second color resin portion molded around all of the LED chips except for the LED chip around which the first color resin portion is molded, and having a different color from the first color resin portion; and a third color resin portion encompassing both the first color resin portion and the second color resin portion and having a different color from the first color resin portion and the second color resin portion. Accordingly, a reduction in luminous efficiency of an LED caused by yellowing is prevented to thereby increase luminous efficiency and achieve a reduction in size.
Type:
Grant
Filed:
October 1, 2009
Date of Patent:
May 22, 2012
Assignee:
Samsung LED Co., Ltd.
Inventors:
Suk Ho Jung, Hyung Kun Kim, Hak Hwan Kim, Young Jin Lee, Ho Sun Paek
Abstract: There is provided a surface light source using white light emitting diodes including: a plurality of white light emitting diodes arranged at a predetermined distance from one another, wherein the white light emitting diodes are arranged such that a light emitting diode unit defined by each of the white light emitting diodes and corresponding ones of the white light emitting diodes disposed at a closest distance from the each white light emitting diode has a central light amount ranging from 80% to 120% with respect to an average light amount of the white light emitting diodes.
Type:
Grant
Filed:
March 11, 2011
Date of Patent:
May 22, 2012
Assignee:
Samsung LED Co., Ltd
Inventors:
Jae Hong Shin, Hun Joo Hahm, Hyung Suk Kim, Chang Ho Shin, Dae Yeon Kim, Chul Hee Yoo, Dong Hyun Cho
Abstract: The present invention relates to a GaN based nitride based light emitting device improved in Electrostatic Discharge (ESD) tolerance (withstanding property) and a method for fabricating the same including a substrate and a V-shaped distortion structure made of an n-type nitride semiconductor layer, an active layer and a p-type nitride semiconductor layer on the substrate and formed with reference to the n-type nitride semiconductor layer.
Type:
Application
Filed:
January 25, 2012
Publication date:
May 17, 2012
Applicant:
SAMSUNG LED CO., LTD
Inventors:
Sang Won KANG, Yong Chun KIM, Dong Hyun CHO, Jeong Tak OH, Dong Joon KIM
Abstract: An apparatus for manufacturing an light emitting diode (LED) package, includes: a heating unit heating an LED package array in a lead frame state in which a plurality of LED packages are installed to be set in an array on a lead frame; a testing unit testing an operational state of each of the LED packages in the LED package array by applying a voltage or a current to the LED package array heated by the heating unit; and a cutting unit cutting only an LED package determined to be a functional product or an LED package determined to be a defective product from the lead frame to remove the same according to the testing results of the testing unit.
Type:
Application
Filed:
October 21, 2011
Publication date:
May 17, 2012
Applicant:
SAMSUNG LED CO., LTD.
Inventors:
Won Soo JI, Choo Ho KIM, Sung Hoon OH, Min Hwan KIM, Beom Seok SHIN
Abstract: An apparatus and method for automatically mixing a phosphor are provided, which are capable of automatically supplying accurate quantities of a phosphor and silicon to a mixing container using a phosphor supply unit and a silicon supply unit.
Type:
Application
Filed:
November 4, 2011
Publication date:
May 17, 2012
Applicant:
SAMSUNG LED CO., LTD.
Inventors:
Myeong Ho NOH, Choo Ho KIM, Song Ho JEONG, Dong Hee LIM
Abstract: A lighting device is disclosed herein. The lighting device includes an optic holder designed to hold optic elements over a light emitting diode (LED). The optic holders design ensures that the LEDs dome is not damaged during the assembly of the lighting device. Open covers and closed covers are provided in order to allow or block light from the LEDs to come out of the lighting device or to block empty LED locations within the lighting device in order to provide an esthetic looking facade to the lighting device.
Abstract: Provided is a white LED including a reflector cup; an LED chip mounted on the bottom surface of the reflector cup; transparent resin surrounding the LED chip; a phosphor layer formed on the transparent resin; and a light transmitting layer that is inserted into the surface of the phosphor layer so as to form an embossing pattern on the surface, the light transmitting layer transmitting light, incident from the phosphor layer, in the upward direction.
Abstract: Disclosed is a light emitting diode package, including a metal body including a cavity for receiving a light emitting diode therein, a lens mount for mounting thereon a lens through which light is transmitted, a heat sink for dissipating heat, a lead insertion recess formed on a bottom surface of the metal body so that a lead is inserted therein, and a bonding hole formed to communicate with the lead insertion recess and passing through the cavity of the metal body; and a lead seated into the lead insertion recess of the metal body and insulation bonded to the bottom surface of the metal body by means of an insulating binder, so that an insulation type bonding relationship between the metal body and the lead is maintained stable. A method of manufacturing the light emitting diode package is also provided.
Type:
Grant
Filed:
January 21, 2010
Date of Patent:
May 8, 2012
Assignee:
Intops LED Co., Ltd.
Inventors:
Hyung Tae Kim, Yong Hun Choi, Nag Jong Choi
Abstract: The present invention relates to light emitting diode (LED) packages and methods of manufacturing the same, and more particularly, to an LED package and a method of manufacturing the same that can reduce a variation of color coordinates of mass-produced LED packages.
Abstract: A climate cabinet is provided. The climate cabinet includes an object storage device, a first intake and output station for the intake and output of objects and an associated first transport device for positioning objects in the object storage device, and has a second intake and output station for the intake and output of objects and an associated second transport device for positioning objects in the object storage device. A system is also provided. The system includes the climate cabinet and multiple workstations, which can each be situated adjacent to the intake and output stations of the climate cabinet, so that the transport devices of the climate cabinet, which are associated with the intake and output stations, can serve the workstations.
Abstract: An apparatus for measuring the optical properties of an LED package includes: a light detection unit detecting light output from a plurality of LED packages of an LED package array in order to measure the optical properties of each of the LED packages; a mounting unit fixing the LED package array thereon when the optical properties thereof are measured; and a voltage application unit applying a driving voltage to the individual LED packages in the LED package array when the optical properties of the LED packages are measured.
Type:
Application
Filed:
November 1, 2011
Publication date:
May 3, 2012
Applicant:
SAMSUNG LED CO., LTD.
Inventors:
Sang Bok YOON, Hae Yong EOM, Choong Hwan KWON
Abstract: Provided is a vertical LED including an n-electrode; an n-type GaN layer formed under the n-electrode, the n-type GaN layer having a surface coming in contact with the n-electrode, the surface having a Ga+N layer containing a larger amount of Ga than that of N; an active layer formed under the n-type GaN layer; a p-type GaN layer formed under the active layer; a p-electrode formed under the p-type GaN layer; and a structure support layer formed under the p-electrode.
Type:
Grant
Filed:
May 14, 2009
Date of Patent:
May 1, 2012
Assignee:
Samsung LED Co., Ltd.
Inventors:
Su Yeol Lee, Sang Ho Yoon, Doo Go Baik, Seok Beom Choi, Tae Sung Jang, Jong Gun Woo
Abstract: The invention provides an LED package including an LED chip. In the LED package, a heat conducting part of folded sheet metals has a recess formed thereon to seat the LED chip therein. A package body houses the heat conducting part and directs light generated from the LED chip upward. Also, a transparent encapsulant is provided to at least the recess of the heat conducting part. Leads are partially housed by the package body to supply power to the LED chip. According to the invention, the sheet metals are folded to form the heat conducting part, and the recess is formed on the heat conducting part to seat the LED chip therein. This improves reflection efficiency and simplifies an overall process.
Type:
Grant
Filed:
August 8, 2006
Date of Patent:
May 1, 2012
Assignee:
Samsung LED Co., Ltd.
Inventors:
Seon Goo Lee, Chang Ho Song, Kyung Taeg Han
Abstract: Provided is an LED package including a printed circuit board (PCB); a conductive structure that is formed on the PCB and is composed of any one selected from a silicon structure and an aluminum structure; and an LED chip that is mounted on the PCB and is electrically connected to the PCB through the conductive structure.
Type:
Grant
Filed:
August 15, 2008
Date of Patent:
May 1, 2012
Assignee:
Samsung LED Co., Ltd.
Inventors:
Seong Ah Joo, Jung Kyu Park, Kun Yoo Ko, Young June Jeong, Seung Hwan Choi