Patents by Inventor Dong WAN

Dong WAN 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).

  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DIODE INCLUDING THE SAME AND DISPLAY INCLUDING THE ORGANIC LIGHT EMITTING DIODE
    Publication number: 20150144938
    Abstract: A compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode are disclosed and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formulae 1 and 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: February 4, 2015
    Publication date: May 28, 2015
    Inventors: Han-Ill LEE, Dong-Wan RYU, Sung-Hyun JUNG, Mi-Young CHAE, Dal-Ho HUH, Jin-Seok HONG, Jun-Seok KIM, Dong-Kyu RYU, Yu-Na JANG, Young-Kyoung JO
  • METHOD AND APPARATUS FOR GENERATING AGRICULTURAL SEMANTIC IMAGE INFORMATION
    Publication number: 20150142834
    Abstract: A method and apparatus for generating agricultural semantic image information are provided to manage crop image information and agricultural environmental information as an object in an integrated manner. The apparatus generates agricultural semantic image information through these steps: receiving primary agricultural environmental information from each sensor of an agricultural environment semantic adaptation system; generating secondary agricultural environmental information based on the primary agricultural environmental information; receiving image information and still lo images from imaging means of the agricultural environment semantic adaptation system; extracting growth state information from the still images; and recording the primary agricultural environmental information, secondary agricultural environmental information, and growth state information as metadata for the image information.
    Type: Application
    Filed: June 10, 2014
    Publication date: May 21, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hae Dong LEE, Ae Kyeung MOON, Dong Wan RYOO, Soo In LEE
  • COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC LIGHT-EMITTING DEVICE CONTAINING THE SAME, AND DISPLAY DEVICE INCLUDING SAID ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150137111
    Abstract: A compound for an organic optoelectronic device, an organic light-emitting device including the same and a display device including the organic light-emitting device are provided, and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formulae 1 and 2 is provided and thus an organic light-emitting device has improved life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 21, 2015
    Inventors: Dong-Wan RYU, Nam-Heon LEE, Han-Ill LEE, Sung-Hyun JUNG, Young-Kyoung JO, Mi-Young CHAE, Dal-Ho HUH, Jin-Seok HONG
  • SEMICONDUCTOR DEVICE MANUFACTURING APPARATUS
    Publication number: 20150131071
    Abstract: A semiconductor device manufacturing apparatus includes a mask stage including a mask holder system that fixes a photomask, the mask holder system having a first fixing portion mounted at a first position of the mask holder system to fix the photomask, and a second fixing portion at a second position of the mask holder system and spaced apart from the first position, the second fixing portion fixing a pellicle assembly to be spaced apart from the photomask on the first fixing portion.
    Type: Application
    Filed: November 6, 2014
    Publication date: May 14, 2015
    Inventors: Dong-wan KIM, Seong-sue KIM, Chang-young JEONG, Dong-gun LEE
  • METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE
    Publication number: 20150111360
    Abstract: A method of manufacturing a semiconductor device includes forming a first conductive layer on a substrate, partially removing the first conductive layer and an upper portion of the substrate to form a recess, forming a second conductive layer pattern to fill the recess, forming a third conductive layer on the second conductive layer pattern and the first conductive layer, and patterning the third conductive layer and the second conductive layer pattern to form a bit line structure and a bit line contact, respectively.
    Type: Application
    Filed: October 16, 2014
    Publication date: April 23, 2015
    Inventors: Dong-Wan KIM, Byeung-Chul KIM, Bong-Soo KIM, Je-Min PARK, Yoo-Sang HWANG
  • Compound for organic photoelectric device and organic photoelectric device including the same
    Patent number: 8993783
    Abstract: A compound for an organic photoelectric device, the compound being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: March 31, 2015
    Assignee: Cheil Industries, Inc.
    Inventors: Kyoung-Mi Lee, Dal-Ho Huh, Dong-Wan Ryu, Sung-Hyun Jung, Mi-Young Chae
  • Battery pack
    Patent number: 8986873
    Abstract: A battery pack includes at least two or more bare cells, a lead tab and an insulating member. Each of the bare cells has a first terminal portion. The lead tab is provided to the first terminal portion of the bare cell. The insulating member is interposed between the bare cell and the lead tab and is provided with an opening so that the bare cell and the lead tab are electrically connected to each other. In the battery pack, the insulating member includes two or more bare cell facing portions respectively corresponding to the bare cells, an extending portion that connects neighboring bare cell facing portions to each other, and guide portions respectively provided to the bare cell facing portions so as not to be arranged in one straight line.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: March 24, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dong-Wan Kang
  • Method for Preparing Polyethersulfone
    Publication number: 20150080537
    Abstract: A method for preparing a polyethersulfone includes oxidation of a poly arylene ether sulfone-sulfide compound including a repeat unit represented by Formula 1 with an aqueous solution of an organic acid and an aqueous solution of hydrogen peroxide. In the method, the overall process is carried out under mild conditions of about 190° C. or less, thereby enabling economic preparation of a polyethersulfone without complicated post-treatment, such as separation of by-products formed from a basic compound, and the like. wherein R1, R2, R3 and R4 are each independently a C1 to C10 hydrocarbon group, and a, b, c and d are each independently an integer from 0 to 4.
    Type: Application
    Filed: August 22, 2014
    Publication date: March 19, 2015
    Inventors: Hyun Seok KIM, Im Hyuck BAE, Dong Wan SEO, Young Sub JIN
  • Apparatus for supporting substrate and plasma etching apparatus having the same
    Patent number: 8980049
    Abstract: Provided are a substrate supporting apparatus and a plasma etching apparatus having the same. There is provided a substrate supporting apparatus that can separately provide powers to a central region and an edge region by disposing an electrode supporting a substrate at the central region of the substrate supporting apparatus, and disposing an electrode receiving radio frequency (RF) power at the edge region of the substrate supporting apparatus. There is provided a substrate edge etching apparatus having the substrate supporting apparatus for removing layers or particles deposited in an edge region of a semiconductor substrate and preventing damage of a center region of the semiconductor substrate during an etching process of the substrate edge.
    Type: Grant
    Filed: April 1, 2008
    Date of Patent: March 17, 2015
    Assignee: Charm Engineering Co., Ltd.
    Inventors: Won Haeng Lee, Kwan Goo Rha, Jung Hee Lee, Chul Hee Jang, Hyang Joo Lee, Dong Wan Kim
  • VARIABLE BANDWIDTH RF FILTER
    Publication number: 20150061792
    Abstract: Disclosed is a variable bandwidth RF filter. The disclosed filter comprises: a first filter unit having a first bandwidth and a variable-frequency structure; and a second filter unit having a second bandwidth and a variable-frequency structure. The first filter unit and the second filter unit are coupled to a cascade structure, and the bandwidth is adjusted by varying the frequency of the first filter unit and of the second filter unit. The disclosed filter is advantageous in that the variation of the bandwidth can be easily performed using a simple structure.
    Type: Application
    Filed: March 28, 2013
    Publication date: March 5, 2015
    Inventor: Dong-Wan Chun
  • Reflective extreme ultraviolet mask and method of manufacturing the same
    Patent number: 8968969
    Abstract: A reflective extreme ultraviolet mask includes a mask substrate having an exposing region and a peripheral region, the mask substrate including a light-scattering portion in the peripheral region, a reflective layer on an upper surface of the mask substrate, the reflective layer having a first opening exposing the light-scattering portion, and an absorbing layer pattern on the reflective layer, the absorbing layer pattern having a second opening in light communication with the first opening.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: March 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Geun Kim, Dong-Wan Kim, Dong-Gun Lee, Seong-Sue Kim
  • Photosensitive resin composition for color filter and color filter using same
    Patent number: 8961837
    Abstract: Provided are a photosensitive resin composition for a color filter and a color filter using the same. The photosensitive resin composition for a color filter includes (A) a colorant including a diaminopyridine azo-based dye including a structure represented by Chemical Formula 1, and having an absorption wavelength at about 450 to about 550 nm, (B) an acrylic-based binder resin, (C) an acrylic-based photopolymerizable monomer, (D) a photopolymerization initiator, and (E) a solvent.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: February 24, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Ji-Yun Kwon, In-Jae Lee, Ju-Ho Jung, Dong-Wan Kim, Jae-Hyun Kim, Gyu-Seok Han
  • CULTURE MEDIUM OF ADIPOSE-DERIVED STEM CELL, METHOD FOR PREPARING THE SAME, AND COMPOSITION INCLUDING THE SAME FOR PROMOTING HAIR GROWTH
    Publication number: 20150037435
    Abstract: Provided are a culture medium of an adipose-derived stem cell, a method for preparing the same, and a composition for promoting hair growth, in which the composition includes the culture medium. The adipose-derived stem cell (ADSC-T) according to the present invention exhibits long lifespan, improved cell proliferation rate, and extended proliferation period, as compared with a primary adipose-derived stem cell (ADSC), and thus, the adipose-derived stem cell (ADSC-T) can be usefully used for the study about the adipose-derived stem cell and the mass production of the culture medium of the adipose-derived stem cell. In addition, according to the present invention, the culture medium of the adipose-derived stem cell (ADSC-T) that expresses a T antigen of SV40 exhibits excellent hair growth effectiveness and can be usefully used as a raw material for the hair loss prevention and hair growing agents.
    Type: Application
    Filed: August 29, 2012
    Publication date: February 5, 2015
    Inventors: Dong Wan Kim, Mi Jung Seo, Gwang Lee, Woo Hong Joo, Sun Hee Kim
  • System and method for preventing intrusion of abnormal GTP packet
    Patent number: 8948019
    Abstract: Provided are a system and method for preventing the intrusion of an abnormal GPRS tunneling protocol (GTP) packet. The system includes: a system management unit including a monitoring unit which monitors a state of the system and a mode changing unit which changes an operation mode of the system based on the state of the system; a packet capture unit including a packet management unit which stores information about a GTP packet based on the operation mode of the system and a detection result checking unit which determines whether to drop the GTP packet; and a packet detection unit including a packet parsing unit which parses the information about the GTP packet and a packet analysis unit which analyzes the parsed information about the GTP packet, wherein the operation mode of the system is an intrusion prevention system (IPS) mode or a bypass mode.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: February 3, 2015
    Assignee: Korea Internet & Security Agency
    Inventors: Dong Wan Kang, Joo Hyung Oh, Se Kwon Kim, Jung Sik Cho, Chae Tae Im
  • THIN FILM TRANSISTOR ARRAY SUBSTRATE AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS INCLUDING THE SAME
    Publication number: 20150001478
    Abstract: A thin film transistor array substrate includes an active area in which a plurality of pixels are formed; driver integrated circuits (DICs) disposed in a non-active area around the active area and configured to supply a driving signal to each of the plurality of pixels; power input units partially overlapping with the DICs, disposed below the DICs, and configured to supply power voltages to the active area; and a user key mounting area formed not to overlap with the DICs in the non-active area. The thin film transistor array substrate may be used for an organic light-emitting display apparatus.
    Type: Application
    Filed: October 30, 2013
    Publication date: January 1, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Dong-Wan Choi, Jin-Oh Park, Hyo-Sang Yang, Hee-Kwon Eun
  • THIN FILM TRANSISTOR ARRAY SUBSTRATE AND DISPLAY APPARATUS INCLUDING SAME
    Publication number: 20140375597
    Abstract: A thin film transistor array substrate includes: an active area including a plurality of pixels; a driver integrated circuit in a non-active area around the active area and configured to supply a driving signal to the pixels; and a user input key positioned near the driver integrated circuit and configured to receive a user input.
    Type: Application
    Filed: October 31, 2013
    Publication date: December 25, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Oh Park, Dong-Wan Choi, Hyo-Sang Yang, Hee-Kwon Eun
  • Photosensitive Resin Composition for Color Filter and Color Filter Using the Same
    Publication number: 20140343187
    Abstract: A photosensitive resin composition for a color filter includes (A) a yellow or orange dye; (B) a dye combination of a cyanine dye represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as described in the detailed description, and a metal complex dye; (C) an acrylic-based binder resin; (D) a photopolymerizable monomer; (E) a photopolymerization initiator; and (F) a solvent, and a color filter using the same.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 20, 2014
    Applicant: Cheil Industries Inc.
    Inventors: In-Jae LEE, Dong-Wan KIM, Ji-Hong KIM, Jee-Hyun RYU, Ji-Young JEONG, Seung-Jib CHOI
  • Compound for optoelectronic device, organic light emitting diode including the same, and display including the organic light emitting diode
    Patent number: 8890126
    Abstract: A compound for an optoelectronic device, an organic light emitting diode, and a display device, the compound for an optoelectronic device being represented by the following Chemical Formula 1:
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: November 18, 2014
    Assignee: Cheil Industries, Inc.
    Inventors: Dong-Wan Ryu, Sung-Hyun Jung, Dal-Ho Huh, Kyoung-Mi Lee, Nam-Heon Lee, Mi-Young Chae
  • COMPOUND FOR OPTOELECTRONIC DEVICE, ORGANIC LIGHT-EMITTING DIODE INCLUDING SAME, AND DISPLAY DEVICE INCLUDING ORGANIC LIGHT-EMITTING DIODE
    Publication number: 20140332787
    Abstract: Disclosed are a compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The compound for an organic optoelectronic device represented by a combination of the following Chemical Formula 1 and Chemical Formula 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.
    Type: Application
    Filed: December 18, 2012
    Publication date: November 13, 2014
    Inventors: Jin-Seok Hong, Young-Kyoung Jo, Dong-Wan Ryu, Nam-Heon Lee, Han-Ill Lee, Sung-Hyun Jung, Mi-Young Chae, Dal-Ho Huh
  • HIGH-FREQUENCY HEAT THERAPY ELECTRODE DEVICE EQUIPPED WITH FLEXIBLE TUBE
    Publication number: 20140303616
    Abstract: The present invention relates to a high-frequency heat therapy electrode device, and one embodiment of the present invention provides a high-frequency heat therapy electrode device provided with an electrode needle disposed in front of a handle, which necrotizes a lesion site by cauterizing the site by means of the high-frequency heat generated from the electrode needle. The high-frequency heat therapy electrode device equipped with a flexible tube is characterized in that: a flexible tube of a prescribed hardness, but that can be easily bent and deformed, is disposed between the handle and the electrode needle such that the needle can be inserted, along the working channel of an endoscope, up to a lesion site and the electrode needle is provided with a cooling line in the inside thereof.
    Type: Application
    Filed: April 30, 2012
    Publication date: October 9, 2014
    Inventors: Kyung Min Shin, Kyung Hoon Shin, Dong Un Kim, Dong Wan Seo