Patents by Inventor Young-jun Cho

Young-jun Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140061609
    Abstract: Provided are novel compounds in accordance with Formula I for an organic electronic material and an organic electroluminescent device using same. The compound for an organic electronic material disclosed herein exhibits high electron transport efficiency and thus prevents crystallization upon manufacturing a device, and also facilitates the formation of a layer, thus improving current properties of the device. Thereby, OLED devices having improved power efficiency as well as reduced operating voltage can be manufactured.
    Type: Application
    Filed: October 13, 2011
    Publication date: March 6, 2014
    Inventors: Nam Kyun Kim, Seok-Keun Yoon, Jin Hee Kim, Hyo Jung Lee, Mi Ja Lee, Hee Choon Ahn, Doo-Hyeon Moon, Jung-Eun Yang, Hee Sook Kim, Soo-Jin Hwang, Young Jun Cho, Kyung Joo Lee, Hyuck Joo Kwon, Bong Ok Kim
  • Publication number: 20140054564
    Abstract: Provided is an organic electroluminescent device that exhibits an efficient host-dopant energy transfer mechanism, and thus, expresses a certain high-efficiency electroluminescent performance, based on improved electron density distribution. The organic electroluminescent device also overcomes low initial efficiency and short operation life property, and secures high-performance electroluminescent performance with high efficiency and long life property for each color.
    Type: Application
    Filed: July 29, 2011
    Publication date: February 27, 2014
    Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Chi-Sik Kim, Soo-Young Lee, Young-Gil Kim, Hyo-Jung Lee, Su-Hyun Lee, Hyun Kim, Young-Jun Cho, Hyuck-Joo Kwon, Kyung-Joo Lee, Bong-Ok Kim, Sung-Min Kim
  • Publication number: 20130300710
    Abstract: A method for processing a function corresponding to a multi-touch in an electronic device is provided. In the method, data is displayed in one or more formats. A first touch is detected. If a second touch is detected with the first touch being maintained, a function corresponding to a multi-touch operation is performed. The function corresponding to the displayed data type and the second touch is performed based on coordinates of the first touch.
    Type: Application
    Filed: April 24, 2013
    Publication date: November 14, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-Jun CHO, Jae-Chul LEE
  • Publication number: 20130264590
    Abstract: Disclosed is a light emitting lamp including a light source module including at least one light source and a light guide layer disposed on a substrate burying the at least one light source, and a housing accommodating the light source module, and the at least one light source includes a body having a cavity, a first lead frame including one end exposed to the cavity and the other end passing through the body and exposed to one surface of the body, a second lead frame including one end exposed to one portion of the surface of the body, the other end exposed to the another portion of the surface of the body, and an intermediate part exposed to the cavity, and at least one light emitting chip including a first semiconductor layer, an active layer and a second semiconductor layer, and disposed on the first lead frame.
    Type: Application
    Filed: January 10, 2013
    Publication date: October 10, 2013
    Inventors: Nam Seok OH, Young Jun Cho, Kwang Kyu Choi, Young Min Moon, Sun Mi Moon
  • Publication number: 20130248830
    Abstract: The invention provides a film comprising at least two layers, Layer A and Layer B, and wherein Layer(A) is formed from a Composition A comprising at least one compound selected from Formula A: wherein Np is selected from 1-naphthyl or 2-naphthyl, and wherein each R is described herein; and wherein Layer B is formed from a Composition B comprising at least one “HTL compound;” and wherein Layer A is not adjacent to Layer B. The invention also provides a composition comprising at least one compound selected from Formula A: wherein each R is described herein, and wherein the compound has a Tg greater than, or equal to, 115° C.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 26, 2013
    Applicants: Rohm and Haas Electronic Materials Korea Ltd., Dow Global Technologies LLC
    Inventors: Dean M. Welsh, Mark E. Ondari, Moo-Keun Chee, Bong-Ok Kim, Robert D. Froese, Matthew M. Meyer, Hyuck-Joo Kwon, Kyung-Hoon Choi, Young-Jun Cho
  • Publication number: 20130049564
    Abstract: Embodiments provide a light emitting device package including a package body having a through-hole; a radiator disposed in the through-hole and including an alloy layer having Cu; and a light emitting device disposed on the radiator, wherein the alloy layer includes at least one of W or Mo, and wherein the package body includes cavity including a sidewall and a bottom surface, and wherein the through-hole is formed in the bottom surface.
    Type: Application
    Filed: August 22, 2012
    Publication date: February 28, 2013
    Inventors: Su Jung JUNG, Yon Tae MOON, Young Jun CHO, Son Kyo HWANG, Byung Mok KIM, Seo Yeon KWON
  • Publication number: 20130049565
    Abstract: A light emitting device package is disclosed. The light emitting device package includes a package body, a heat radiating member disposed in the package body, a light emitting device disposed on the heat radiating member, a bonding member disposed between the light emitting device and the heat radiating member, and a bonding member fixing layer disposed around the bonding member, wherein the bonding member fixing layer has at least one through region.
    Type: Application
    Filed: August 27, 2012
    Publication date: February 28, 2013
    Inventors: Su Jung Jung, Byung Mok Kim, Young Jun Cho, Seo Yeon Kwon
  • Publication number: 20130049563
    Abstract: Disclosed is a light emitting device package. The light emitting device includes a package body having a cavity defined by a sidewall and a bottom surface, a light emitting device disposed in the cavity, a radiator inserted into the package body and disposed below the light emitting device, and a second electrode pattern disposed around the radiator and electrically connected to the light emitting device via wire bonding. The second electrode pattern includes a first region to which a wire is bonded, and a second region connected to the first region, and a width of the first region differs from a width of the second region.
    Type: Application
    Filed: August 21, 2012
    Publication date: February 28, 2013
    Inventors: Byung Mok Kim, Young Jun Cho, Yon Tae Moon, Su Jung Jung, Seo Yeon Kwon, Son Kyo Hwang
  • Publication number: 20120235123
    Abstract: Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same. More particularly, the organic electroluminescent compound disclosed herein is represented by Chemical Formula 1: Since the organic electroluminescent compound disclosed herein exhibits good luminous efficiency and excellent life property, it may be used to manufacture OLED devices having very superior operation life.
    Type: Application
    Filed: August 3, 2010
    Publication date: September 20, 2012
    Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Soo Young Lee, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
  • Publication number: 20120217485
    Abstract: Provided are novel organic electroluminescent compounds and organic electroluminescent devices using the same. Since the organic electroluminescent compound exhibits good luminous efficiency and excellent life property compared to the existing material, it may be used to manufacture OLED devices having superior operation life and consuming less power due to improved power efficiency.
    Type: Application
    Filed: July 30, 2010
    Publication date: August 30, 2012
    Applicant: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Hyo Jung Lee, Young Jun Cho, Sung Jin Eum, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
  • Publication number: 20120146557
    Abstract: The present invention relates to a vibration generating module and an actuator using the same, and more specifically, to an invention for generating vibration using an unstable structure, in which magnetic force is generated using permanent magnets and a solenoid for generating alternating electromagnetic force, and the vibration is generated by inertia or impact as the permanent magnets or the solenoid is moved by the generated magnetic force. To this end, disclosed is a vibration generating module comprising: a magnetic force generating means 110 for generating magnetic force; and an electromagnetic force generating means 120 for generating electromagnetic force alternating depending on a magnetic pole change signal, in which vibration is generated as the magnetic force generating means 110 or the electromagnetic force generating means 120 is moved to one direction according to the magnetic pole change signal.
    Type: Application
    Filed: April 18, 2011
    Publication date: June 14, 2012
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Dongbum Pyo, Tae-Heon Yang, Young-jun Cho, Dong-Soo Kwon
  • Patent number: 8200625
    Abstract: A data synchronization method for a mobile device is provided for effectively synchronizing metadata between a database and a file system of the mobile device. A metadata synchronization method of the present invention includes resetting, when an external storage is connected, an effective value of metadata and a global variable; comparing, when the external storage is disconnected, each file information item managed in a file system with each metadata item managed in a database; replacing, when a file information item includes a metadata item, the effective value of the metadata item with a value of the global variable; and deleting metadata items with an effective value not identical to the value of the global variable. The data synchronization method of the present invention facilitates synchronization of the metadata and file information of the data stored in the external storage device.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: June 12, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Seok Cha, Young Jun Cho
  • Patent number: 8187355
    Abstract: A filter assembly for a vacuum cleaner is provided, and the filter assembly comprises a discharge grill formed on a discharge passage, a filter member mounted on the discharge grill, and a gasket member that is detachably connected between the discharge grill and the filter member and seals a space between the discharge grill and the filter member.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: May 29, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tak-Soo Kim, Young-Jun Cho, Kyong-Hui Jeon
  • Publication number: 20120104940
    Abstract: The present invention relates to novel compounds for organic electronic material, and organic electronic devices and organic solar cells using the same. The compounds for organic electronic material may be included in a hole transport layer, electron transport layer or hole injection layer, or may be used as host or dopant. With good luminous efficiency and excellent life property of the material, they may be used to manufacture OLEDs having very good operation life.
    Type: Application
    Filed: March 19, 2010
    Publication date: May 3, 2012
    Applicant: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hyo-Nim Shin, Chi Sik Kim, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
  • Publication number: 20120108299
    Abstract: Disclosed is a vibration module for a portable terminal that includes a housing, a magnetic moving part movable in a first direction within the housing; an elastic member supported between the opposite ends of the magnetic moving part and inner walls of the housing, and a solenoid coil provided in the housing. The vibration module is positioned at one end of the moving section by the magnetic force of the magnetic moving part and an object around the magnetic moving part, allowing the vibration module to provide a user with a feeling similar to a click feeling via the acceleration produced at a stopping instant. In addition, when vibrating, the vibration module generates sufficient vibration power through acceleration at the instant of changing moving direction at the ends of the moving section, to provide an alarm function, such as an incoming call notification.
    Type: Application
    Filed: October 24, 2011
    Publication date: May 3, 2012
    Applicants: Korea Advanced Institute Of Science And Technology, Samsung Electronics Co., Ltd.
    Inventors: Tae-Heon Yang, Yu-Dong Bae, Dong-Soo Kwon, Young-Min Lee, Eun-Hwa Lee, Jeong-Seok Lee, Dong-Bum Pyo, Young-Jun Cho
  • Patent number: 8153279
    Abstract: Provided are novel organic electroluminescent compounds, and organic electroluminescent devices and organic solar cells employing the same. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1): wherein, A, B, C and D independently represent CR5 or N, provided that A, B, C and D cannot represent CR5 all at the same time. Since the organic electroluminescent compounds according to the invention have good luminous efficiency and excellent color purity and life property of material, OLED's having very good operation life can be manufactured therefrom.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: April 10, 2012
    Assignee: Gracel Display Inc.
    Inventors: Sung Jin Eum, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
  • Patent number: 8143781
    Abstract: The present invention relates to an organic electroluminescent compound containing fluorenyl group and a display device using the same, more precisely the organic electroluminescent compound. The organic electroluminescent compound of the present invention is characterized by upgraded excellent EL property compared with the conventional host materials.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: March 27, 2012
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Sung Min Kim, Bong Ok Kim, Mi Young Kwak, Hyuck Joo Kwon, Young Jun Cho, Hyun Kim
  • Publication number: 20120047683
    Abstract: A vacuum cleaner having a dust removing apparatus includes a main body in which a dust collecting unit is disposed, a filter disposed inside the dust collecting unit, the dust removing apparatus to dust off the filter, a rotating handle that allows the dust removing apparatus to be rotated, the rotating handle disposed in an outer surface of the dust collecting unit, and a body cover in which a rotating-handle exposing hole is formed for the rotating handle to be exposed outside in a state that the dust collecting unit is disposed in the main body, the body cover rotatably disposed at the main body. The vacuum cleaner can remove dust from filter regardless whether the dust collecting unit is disposed in or separated from the main body. The vacuum cleaner also can remove dust from the filter while the vacuum cleaner operates.
    Type: Application
    Filed: February 9, 2010
    Publication date: March 1, 2012
    Inventors: Tak-Soo Kim, Keon-soo Choi, Young-Jun Cho
  • Publication number: 20120047858
    Abstract: Disclosed is a dust-collecting apparatus with a packing member. The disclosed dust-collecting apparatus for separating dust from introduced air comprises: a dust-collecting receptacle with an open bottom; a dust discharge cover arranged at the bottom of the dust-collecting receptacle such that that the dust discharge cover can be opened/closed; and a packing member for sealing the dust-collecting receptacle and the dust discharge cover, wherein the packing member presses the dust discharge cover in the direction of opening the dust discharge cover. Thus, the dust discharge cover can be opened from the bottom of the dust-collecting receptacle in an easier manner.
    Type: Application
    Filed: February 9, 2010
    Publication date: March 1, 2012
    Inventors: Tak Soo Kim, Keon Soo Choi, Young Jun Cho
  • Publication number: 20110109223
    Abstract: The present invention relates to an organic electroluminescent compound containing fluorenyl group and a display device using the same, more precisely the organic electroluminescent compound. The organic electroluminescent compound of the present invention is characterized by upgraded excellent EL property compared with the conventional host materials.
    Type: Application
    Filed: November 19, 2007
    Publication date: May 12, 2011
    Applicant: Gracel Display Inc.
    Inventors: Sung Min Kim, Bong Ok Kim, Mi Young Kwak, Hyuck Joo Kwon, Young Jun Cho, Hyun Kim