Patents by Inventor Jong-Woo Won
Jong-Woo Won 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).
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Patent number: 11572612Abstract: A high-entropy alloy having ultra-high strength and high hydrogen embrittlement resistance due to formation of a microstructure at a low strain may be produced without a severe plastic deformation. A method for producing the high-entropy alloy includes (a) annealing and homogenizing an initial alloy material at 1000 to 1200° C. for 1 to 24 hours; and (b) rolling the annealed and homogenized initial alloy material into a rod, at a cryogenic temperature of ?100 to ?200° C. while pressing the initial alloy material in multi-axial directions at a strain of 0.4 to 1.2, thereby to produce the high-entropy alloy having intersecting twins as a microstructure, and secondary fine twins formed in the intersecting twins, wherein the initial alloy material contains Co of 5 to 35%, Cr of 5 to 35%, Fe of 5 to 35%, Mn of 5 to 35%, and Ni of 5 to 35%, based on weight %.Type: GrantFiled: November 30, 2018Date of Patent: February 7, 2023Assignee: KOREA INSTITUTE OF MATERIALS SCIENCEInventors: Jong Woo Won, Young Sang Na, Ka Ram Lim
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Patent number: 11198169Abstract: The present invention relates to a blow molding device including: a heating unit which is configured to heat a molding material; and molds between which the molding material is loaded and molded, in which the heating unit includes: an infrared lamp configured to emit infrared rays, a reflective mirror configured to concentrate the infrared rays emitted from the infrared lamp; and a light transmitting body configured to transmit the infrared rays concentrated by the reflective mirror to the molding material, and in which the molds mold the molding material by using gas pressures applied to surfaces of the molding material heated to a predetermined temperature by the infrared rays transmitted from the light transmitting body.Type: GrantFiled: March 22, 2018Date of Patent: December 14, 2021Assignee: KOREA INSTITUTE OF MATERIALS SCIENCEInventors: Young Sang Na, Ka Ram Lim, Jong Woo Won
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Publication number: 20200392613Abstract: A high-entropy alloy having ultra-high strength and high hydrogen embrittlement resistance due to formation of a microstructure at a low strain may be produced without a severe plastic deformation. A method for producing the high-entropy alloy includes (a) annealing and homogenizing an initial alloy material at 1000 to 1200° C. for 1 to 24 hours; and (b) rolling the annealed and homogenized initial alloy material into a rod, at a cryogenic temperature of ?100 to ?200° C. while pressing the initial alloy material in multi-axial directions at a strain of 0.4 to 1.2, thereby to produce the high-entropy alloy having intersecting twins as a microstructure, and secondary fine twins formed in the intersecting twins, wherein the initial alloy material contains Co of 5 to 35%, Cr of 5 to 35%, Fe of 5 to 35%, Mn of 5 to 35%, and Ni of 5 to 35%, based on weight %.Type: ApplicationFiled: November 30, 2018Publication date: December 17, 2020Inventors: Jong Woo WON, Young Sang NA, Ka Ram LIM
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Publication number: 20200130040Abstract: The present invention relates to a blow molding device including: a heating unit which is configured to heat a molding material; and molds between which the molding material is loaded and molded, in which the heating unit includes: an infrared lamp configured to emit infrared rays, a reflective mirror configured to concentrate the infrared rays emitted from the infrared lamp; and a light transmitting body configured to transmit the infrared rays concentrated by the reflective mirror to the molding material, and in which the molds mold the molding material by using gas pressures applied to surfaces of the molding material heated to a predetermined temperature by the infrared rays transmitted from the light transmitting body.Type: ApplicationFiled: March 22, 2018Publication date: April 30, 2020Applicant: Korea Institute of Machinery & MaterialsInventors: Young Sang NA, Ka Ram LIM, Jong Woo WON
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Patent number: 9825242Abstract: Provided are a compound for an organic optoelectric device represented by Chemical Formula 1, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The structure of the compound for an organic optoelectric device represented by Chemical Formula 1 is described in the specification. The compound for an organic photoelectric device provides an organic light emitting diode having excellent electrochemical and thermal stability and improved life-span characteristics, and high luminous efficiency at a low driving voltage, and the compound for an organic photoelectric device may be appropriate for a solution process.Type: GrantFiled: August 12, 2013Date of Patent: November 21, 2017Assignee: Cheil Industries, Inc.Inventors: Dong-Min Kang, Hyun-Jung Kim, Chang-Ju Shin, Jong-Woo Won, Nam-Heon Lee, Soo-Young Jeong, Woo-Seok Jeong, Ho-Kuk Jung, Mi-Young Chae
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Patent number: 9324948Abstract: 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 the following Chemical Formula 1 or 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: GrantFiled: September 12, 2014Date of Patent: April 26, 2016Assignee: SAMSUNG SDI CO., LTD.Inventors: Dong-Min Kang, Hyun-Jung Kim, Chang-Ju Shin, Jong-Woo Won, Nam-Heon Lee, Soo-Young Jeong, Ho-Kuk Jung, Mi-Young Chae
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Publication number: 20160056391Abstract: Provided are a compound for an organic optoelectric device represented by Chemical Formula 1, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The structure of the compound for an organic optoelectric device represented by Chemical Formula 1 is described in the specification. The compound for an organic photoelectric device provides an organic light emitting diode having excellent electrochemical and thermal stability and improved life-span characteristics, and high luminous efficiency at a low driving voltage, and the compound for an organic photoelectric device may be appropriate for a solution process.Type: ApplicationFiled: August 12, 2013Publication date: February 25, 2016Inventors: Dong-Min KANG, Hyun-Jung KIM, Chang-Ju SHIN, Jong-Woo WON, Nam-Heon LEE, Soo-Young JEONG, Woo-Seok JEONG, Ho-Kuk JUNG, Mi-Young CHAE
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Publication number: 20150263294Abstract: 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 disclosed, the compound for an organic optoelectronic device being represented by Chemical Formula 1,Type: ApplicationFiled: June 2, 2015Publication date: September 17, 2015Inventors: Hyun-Jung KIM, Chang-Ju SHIN, Soo-Young JEONG, Dong-Min KANG, Eui-Su KANG, Jong-Woo WON, Nam-Heon LEE, Hyun-Gyu LEE, Woo-Seok JEONG, Ho-Kuk JUNG, Mi-Young CHAE
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Publication number: 20150034938Abstract: 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 the following Chemical Formula 1 or 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: ApplicationFiled: September 12, 2014Publication date: February 5, 2015Inventors: Dong-Min KANG, Hyun-Jung KIM, Chang-Ju SHIN, Jong-Woo WON, Nam-Heon LEE, Soo-Young JEONG, Ho-Kuk JUNG, Mi-Young CHAE
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Patent number: 8149922Abstract: A video unified codec device and corresponding video method. The unified codec device includes parsing and decoding functional units (PD FUs) extracting and grouping context information, control signals, and data in bit streams inputted according to different syntax data per codec, macro-block-based functional units (MB-based FUs) comprising block-based process units of each codec, for decoding data outputted from PD FUs, and a global control unit (GCU) for controlling MB-based FUs grouped after corresponding control signals and context information received from PD FUs to each codec and processing.Type: GrantFiled: October 21, 2005Date of Patent: April 3, 2012Assignee: Humax Co., Ltd.Inventors: Euee-S. Jang, Yung-Lyul Lee, Sun-Young Lee, Sung-Won Park, Jong-Woo Won, Yong Ho Cho, Chung-Ku Lee
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Patent number: 7912131Abstract: There are provided selective prediction encoding and decoding methods and selective prediction encoding and decoding devices. The selective prediction encoding device selects and performs one of an AC/DC prediction encoding method and an intra prediction encoding method which corresponds to the smaller of code amount from AC/DC prediction and an amount of AVC intra coding, records information indicating the selected encoding method in a header of a bit stream, and transmits the bit stream to the selective prediction decoding device. The selective prediction decoding device decodes the transmitted bit stream by the use of a decoding process corresponding to the information recorded in the header. Accordingly, it is possible to improve compression ratio and image quality by using the selective prediction encoding and decoding methods.Type: GrantFiled: October 24, 2005Date of Patent: March 22, 2011Assignee: HUMAX, Co., Ltd.Inventors: Euee-S Jang, Yung-Lyul Lee, Sun-Young Lee, Sung-Won Park, Jong-Woo Won, Yong-Ho Cho, Chung-Ku Lee
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Patent number: 7613344Abstract: Disclosed are a system and method for encoding and decoding an image. The image compression system includes an image segmentation unit (110) for segmenting a first image into a plurality of sub-images; a first encoding unit (120) for encoding the sub-images to output sub-image bitstreams; a BMAP construction unit (130) for calculating the quantity of information of each sub-image bitstream and generating BMAP information using the calculated quantity of information and information on construction of each sub-image; and a bitstream combining unit (150) for combining the sub-image bitstreams and BMAP information.Type: GrantFiled: November 11, 2004Date of Patent: November 3, 2009Assignees: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation, Hanyang UniversityInventors: Wook-Joong Kim, Myung-Seok Ki, Kyu-Heon Kim, Jin-Woong Kim, Euee-Seon Jang, Sun-Young Lee, Hyun-Jong Oh, Sung-Won Park, Jong-Woo Won
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Publication number: 20080037649Abstract: The present invention is directed to a video unified codec device and its method. According to an embodiment of this invention, the unified codec device comprises parsing and decoding functional units (PD FUs) extracting and grouping context information, control signals, and data in bit streams inputted according to different syntax data per codec, macro-block-based functional units (MB-based FUs) unified based on block-based process units of each codec, for decoding data outputted from PD FUs, and a global control unit (GCU) for controlling MB-based FUs grouped after corresponding control signals and context information received from PD FUs to each codec and processing. By this invention, a new concept and structure of unified codec corresponding to similarities, differences, and considerations between different codecs can be presented.Type: ApplicationFiled: October 21, 2005Publication date: February 14, 2008Applicant: Humax Co., Ltd.Inventors: Euee-S. Jang, Yung-Lyul Lee, Sun-Young Lee, Sun-Won Park, Jong-Woo Won, Yong-Ho Cho, Chung-Ku Lee
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Publication number: 20070172133Abstract: Disclosed are a system and method for encoding and decoding an image. The image compression system includes an image segmentation unit (110) for segmenting a first image into a plurality of sub-images; a first encoding unit (120) for encoding the sub-images to output sub-image bitstreams; a BMAP construction unit (130) for calculating the quantity of information of each sub-image bitstream and generating BMAP information using the calculated quantity of information and information on construction of each sub-image; and a bitstream combining unit (150) for combining the sub-image bitstreams and BMAP information.Type: ApplicationFiled: November 11, 2004Publication date: July 26, 2007Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT, HANYANG UNIVERSITYInventors: Wook-Joong Kim, Myung-Seok Ki, Kyu-Heon Kim, Jin-Woong Kim, Euee-Seon Jang, Sun-Young Lee, Hyun-Jong Oh, Sung-Won Park, Jong-Woo Won
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Publication number: 20060109911Abstract: There are provided selective prediction encoding and decoding methods and selective prediction encoding and decoding devices. The selective prediction encoding device selects and performs one of an AC/DC prediction encoding method and an intra prediction encoding method which corresponds to the smaller of code amount from AC/DC prediction and an amount of AVC intra coding, records information indicating the selected encoding method in a header of a bit stream, and transmits the bit stream to the selective prediction decoding device. The selective prediction decoding device decodes the transmitted bit stream by the use of a decoding process corresponding to the information recorded in the header. Accordingly, it is possible to improve compression ratio and image quality by using the selective prediction encoding and decoding methods.Type: ApplicationFiled: October 24, 2005Publication date: May 25, 2006Applicant: HUMAX Co., Ltd.Inventors: Euee-S Jang, Yung-Lyul Lee, Sun-Young Lee, Sung-Won Park, Jong-Woo Won, Yong-Ho Cho, Chung-Ku Lee