Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.
Type:
Application
Filed:
August 13, 2013
Publication date:
November 5, 2015
Applicant:
DOOSAN CORPORATION
Inventors:
Tae Hyung KIM, In Hyuk LEE, Yong Hwan LEE, Jin Yong SHIN, Ho Cheol PARK, Chang Jun LEE, Eun Jung LEE, Young Mi BEAK
Abstract: The present disclosure relates to a fuel injector for a diesel particulate filter, and more particularly, to a fuel injector for a diesel particulate filter which is capable of combusting and removing particulate matters included in the exhaust gas by injecting fuel into an exhaust gas discharge line. The present disclosure can prevent fuel from being frozen when fuel is intended to be injected into an exhaust gas line during the winter season or in a cold region, thereby allowing DPF regeneration to be smoothly carried out.
Abstract: The present invention relates to a method for surface-treating a copper foil, and the method includes steps of: a) forming a nodule on a surface of a copper foil; b) introducing the copper foil having thereon the nodule to a plating solution including first, second, and third metals to perform alloy plating; and c) applying the alloy plated copper foil with a silane coupling agent.
Abstract: Disclosed are a novel amino anthracene derivative and an organic electro-luminescence device using the same. More specifically, the disclosed amino anthracene derivative has a core (e.g., indenoanthracene core) of an anthracene moiety (with a high device characteristic) linked to a fluorene moiety (with a high fluorescence characteristic), in which in the core is substituted with at least one amine group represented by Formula 2 and the disclosed organic electro-luminescence device uses the amino anthracene derivative as a light emitting layer material so as to be enhanced in efficiency, operating voltage, and life span.
Type:
Grant
Filed:
June 1, 2010
Date of Patent:
August 25, 2015
Assignee:
DOOSAN CORPORATION
Inventors:
Jin-Seok Hong, Kyoung-Soo Kim, Tae-Hyung Kim
Abstract: The present invention relates to a novel compound and an organic electroluminescence device including the same, and the compound according to the present invention may be used in an organic material layer, preferably a light-emitting layer of an organic electroluminescence device, thereby enhancing the light-emitting efficiency, driving voltage, lifespan, and the like of the organic electroluminescence device.
Type:
Application
Filed:
August 7, 2013
Publication date:
August 20, 2015
Applicant:
DOOSAN CORPORATION
Inventors:
Tae Hyung Kim, In Hyuk Lee, Hoe Moon Kim, Jin Yong Shin, Ho Cheol Park, Chang Jun Lee, Young Mi Beak, Eun Jung Lee
Abstract: The present invention relates to a composition for increasing the yield of a plant, and a method for increasing the yield of a plant by using the same, and more particularly, to a composition for increasing the yield of the plant, which includes at least one of lysophosphatidylethanolamine and lecithin, and a method for increasing the yield of plant by applying the same to the plant to promote the yield increase of the plant.
Abstract: The present invention relates to a novel indole-based compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescence device which includes the indole-based compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and lifespan.
Type:
Application
Filed:
August 13, 2013
Publication date:
August 20, 2015
Applicant:
DOOSAN CORPORATION
Inventors:
Ho Cheol Park, Hyung Chan Bae, Min Sik Eum, Young Mi Beak, Chang Jun Lee, Jin Yong Shin, Tae Hyung Kim
Abstract: The present invention relates to a novel indole-based compound having excellent hole injection and transport capabilities, light-emission, and other properties, and to an organic electroluminescent device the luminous efficiency, driving voltage, service life, and other characteristics of which are improved due to containing the compound in one or more organic material layers.
Type:
Application
Filed:
March 27, 2013
Publication date:
July 30, 2015
Applicant:
DOOSAN CORPORATION
Inventors:
Hoe Moon Kim, Young Mi Beak, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Jin Yong Shin
Abstract: The present disclosure relates to an energy reclaiming system for an electric forklift truck. The energy reclaiming system includes an electronic device operated by a motor when a working machine is raised and operated by a generator when the working machine is lowered, a hydraulic pump/motor connected to the electronic device and configured to perform two functions of a hydraulic pump and a hydraulic motor, a main control valve unit including a lift cylinder operating unit connected to the hydraulic pump/motor and configured to operate a lift cylinder and a secondary consumer operating unit connected to the hydraulic pump/motor and configured to operate a secondary consumer, and a control lever including a control valve configured to control the lift cylinder or the secondary consumer through the lift cylinder operating unit and the secondary consumer operating unit of the main control valve unit, respectively.
Abstract: Disclosed is a novel benzimidazole compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the benzimidazole compound in one or more organic material layers thereof so as to thereby achieve enhanced characteristics, such as light-emitting efficiency, driving voltage, and lifespan.
Type:
Application
Filed:
March 6, 2013
Publication date:
June 18, 2015
Applicant:
DOOSAN CORPORATION
Inventors:
Hyung Chan Bae, Young Mi Beak, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Jin Young Shin
Abstract: The present invention relates to a triphenylene-based compound represented by the following Formula 1 and an organic electroluminescent device including the same, and the compound of the present invention has excellent hole injection and/or transporting ability, electron transporting ability, and/or light emitting ability, and particularly, green and red light emitting ability, and thus in an organic electroluminescent device containing the same as a light emitting host material, characteristics such as luminous efficiency, luminance, thermal stability, driving voltage, service life and the like may be improved. In the formula, each of A, L, X and R1 to R19 is the same as those as defined in Detailed Description.
Type:
Grant
Filed:
December 29, 2010
Date of Patent:
May 26, 2015
Assignee:
DOOSAN CORPORATION
Inventors:
Jin-Seok Hong, Chang-Ju Shin, Tae-Hyung Kim, Kyoung-Soo Kim
Abstract: The present invention relates to a material for an organic electroluminescent device, including a phenanthrocarbazole-based compound having a specific structure, and an organic electroluminescent device including the same. More specifically, the phenanthrocarbazole-based compound is applied as a material for a phosphorescent and fluorescent organic electroluminescent device, thereby providing an organic light emitting device with improved light emitting efficiency, luminance, thermal stability, driving voltage, lifetime and the like.
Type:
Grant
Filed:
May 6, 2011
Date of Patent:
April 28, 2015
Assignee:
Doosan Corporation
Inventors:
Jin-Seok Hong, Eun Jung Lee, Shin Han Kim, Kyoung-Soo Kim
Abstract: The present disclosure relates to an apparatus for controlling a raise speed of a working machine for heavy equipment that includes first and second pumps, a main control valve unit that includes two lift cylinder operation units connected with the first and second pumps and operating two lift cylinders and one tilt cylinder operation unit operating two tilt cylinders, a priority valve that is provided in a working fluid line between the second pump and the main control valve unit, and a lift lever that includes a remote control valve connected with the two lift cylinder operation units through a pilot oil line, respectively, and controlling the two lift cylinders through the two lift cylinder operation units, in which a valve control unit, which electrically controls the flow of pilot oil in proportion to the RPM of an engine to allow or stop the working fluid flowing from any one of the two lift cylinder operation units to the two lift cylinders, is disposed in any one of two pilot oil lines between the two
Abstract: The present invention relates to a novel indole-based compound having superior hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the indole-based compound in one or more organic layers thereof so as to thereby achieve improved characteristics, such as light-emitting efficiency, driving voltage, and lifespan characteristics.
Type:
Application
Filed:
December 7, 2012
Publication date:
December 25, 2014
Applicant:
DOOSAN CORPORATION
Inventors:
Hoe Moon Kim, Sung Moo Kim, Young Bae Kim, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Young Mi Baek, Jin Yong Shin
Abstract: Disclosed are a polyamic acid solution, a polyimide resin prepared by imidization of the polyamic acid solution, a flexible metal clad laminate using the polyimide resin, and a printed circuit board including the flexible metal clad laminate, wherein the polyamic acid solution includes (a) 3,3?,4,4?-biphenyltetracarboxylic acid dianhydride (BPDA), and pyromellitic dianhydride (PMDA) as aromatic tetracarboxylic acid dianhydride; (b) at least one aromatic diamine; (c) an organic solvent; and (d) an inorganic filler.
Type:
Grant
Filed:
April 2, 2010
Date of Patent:
August 19, 2014
Assignee:
Doosan Corporation
Inventors:
Yang Seob Kim, Won Kyum Kim, Hyung Wan Kim, Dong Bo Yang
Abstract: Disclosed is a PCB having multiple layers of heavy copper. A prepreg having a nonwoven glass web substrate is used alone or together with another prepreg having a glass fabric substrate so that the space between heavy copper, which is comparable to a thick film, can be filled efficiently without creating voids. The PCB includes a copper clad laminate having first copper patterned on one surface or both surfaces of a core substrate; at least one first prepreg laminated on one surface or both surfaces of the copper clad laminate, nonwoven glass web being used as the substrate of the first prepreg; at least one second prepreg laminated on one surface or both surfaces of the first prepreg, glass fabric being used as a substrate of the second prepreg; and second copper laminated on one surface or both surfaces of the second prepreg.
Type:
Grant
Filed:
December 18, 2008
Date of Patent:
August 12, 2014
Assignee:
Doosan Corporation
Inventors:
Jeong Don Kwon, Seung Min Hong, Ju Ho Shin
Abstract: Disclosed are an acridine derivative and an organic electro-luminescence device including the same. Specifically, the disclosed acridine derivative compound has an aryl moiety or a heteroaryl moiety, linked to an acridine moiety and an amine moiety, and the disclosed organic electro-luminescence device including the acridine derivative compound requires a low operating voltage, shows high efficiency, and is enhanced in life-span.
Abstract: A method for controlling a motor of an electrical forklift truck which includes at least one motor for traveling of the forklift truck or providing power to a pump that supplies power for operating a vehicle or oil to operational devices, a power module for controlling the power supply to the motors, and a control unit for controlling the power module and the motor, the method including the steps of: controlling to decelerate operating speed of the motor to be predetermined first decelerated speed by the control unit if a temperature of the motor and/or the power module increases and reaches a predetermined first level temperature value corresponding to the operating speed of the motor; and controlling to decelerate the operating speed of the motor to be predetermined second decelerated speed that is lower than the first decelerated speed by the control unit if the temperature of the motor and/or the power module increases in a state of the speed of the motor having been decelerated and reaches predetermined