Patents by Inventor Dong-Sik Jang
Dong-Sik Jang 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: 11953366Abstract: A fluid level measurement system using a buoyant body includes a guide part installed in a direction perpendicular to the bottom surface of a fluid storage tank, and provided with a space in which a fluid can move therein; a buoyant body inserted into the guide part, and configured to float along the surface of the fluid inside the guide part; and a measurement part coupled to the top end of the guide part, and configured to measure the level of the surface of the fluid inside the fluid storage tank by transmitting a signal toward the buoyant body in the inner space of the guide part and then receiving a signal reflected from the buoyant body.Type: GrantFiled: July 7, 2022Date of Patent: April 9, 2024Assignee: HANRA IMS CO., LTDInventors: Suk Joon Ji, Young Gu Kim, Jong Min Chung, Chae Ho Lee, I-Hwan Cheon, Kwang Ik Chun, Dong Sik Jang
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Patent number: 11953596Abstract: A light detection and ranging (lidar) device includes: a lower base; an upper base; a laser emitting unit for emitting a laser in a form of a point light source; a nodding mirror for transforming the laser in the form of the point light source to a line beam pattern which is perpendicular to the lower base, wherein the nodding mirror reflects the laser emitted from the laser emitting unit; a polygonal mirror for transforming the line beam pattern to a plane beam pattern and receiving a laser reflected from an object; and a sensor unit for receiving the laser reflected from the object via the polygonal mirror.Type: GrantFiled: September 21, 2022Date of Patent: April 9, 2024Assignee: SOS Lab Co., Ltd.Inventors: Ji Seong Jeong, Jun Hwan Jang, Dong Kyu Kim, Sung Ui Hwang, Gyeong Hwan Shin, Bum Sik Won
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Publication number: 20230034044Abstract: A fluid level measurement system using a buoyant body includes a guide part installed in a direction perpendicular to the bottom surface of a fluid storage tank, and provided with a space in which a fluid can move therein; a buoyant body inserted into the guide part, and configured to float along the surface of the fluid inside the guide part; and a measurement part coupled to the top end of the guide part, and configured to measure the level of the surface of the fluid inside the fluid storage tank by transmitting a signal toward the buoyant body in the inner space of the guide part and then receiving a signal reflected from the buoyant body.Type: ApplicationFiled: July 7, 2022Publication date: February 2, 2023Inventors: Suk Joon JI, Young Gu KIM, Jong Min CHUNG, Chae Ho LEE, I-Hwan CHEON, Kwang Ik CHUN, Dong Sik JANG
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Publication number: 20230036194Abstract: The present invention relates to a refrigerator and, more specifically, to a refrigerator comprising: a main body having a refrigerator compartment and a freezer compartment formed therein; an ice making compartment delimited as a separate thermal insulation space inside the refrigerator compartment, the ice making compartment having an ice maker and an ice storage bucket; and a door for opening/closing at least a part of the refrigerator compartment, the door having a dispenser installed thereon such that same communicates with the ice making compartment. The ice making compartment has an ice discharge port formed therein. The dispenser comprises: an ice transfer duct configured to communicate with the ice discharge port when the door is closed; and a gasket positioned on the periphery of the entrance of the ice transfer duct such that, when the door is closed, the upper end thereof contacts the periphery of the ice discharge port.Type: ApplicationFiled: January 7, 2021Publication date: February 2, 2023Applicant: WINIA ELECTRONICS CO., LTD.Inventors: Dong Sik JANG, Hyeong Doo JEONG, Kwang Jin JOO
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Patent number: 10663854Abstract: A method of fabricating a photomask comprising providing a photomask blank including a phase shifting layer, a first light blocking layer, a first resist layer, a second light blocking layer and a second resist layer stacked sequentially in this order on a substrate, forming second resist patterns, forming second light blocking patterns, forming first resist patterns, forming first light blocking patterns and phase shifting patterns, removing the first resist patterns, and selectively removing at least one of the first light blocking patterns, wherein the second resist layer has a thickness such that all of the second resist layer is removed while the first resist layer is patterned for exposing the second light blocking layer.Type: GrantFiled: April 26, 2019Date of Patent: May 26, 2020Assignee: SK hynix Inc.Inventor: Dong Sik Jang
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Publication number: 20190250500Abstract: A method of fabricating a photomask comprising providing a photomask blank including a phase shifting layer, a first light blocking layer, a first resist layer, a second light blocking layer and a second resist layer stacked sequentially in this order on a substrate, forming second resist patterns, forming second light blocking patterns, forming first resist patterns, forming first light blocking patterns and phase shifting patterns, removing the first resist patterns, and selectively removing at least one of the first light blocking patterns, wherein the second resist layer has a thickness such that all of the second resist layer is removed while the first resist layer is patterned for exposing the second light blocking layer.Type: ApplicationFiled: April 26, 2019Publication date: August 15, 2019Inventor: Dong Sik JANG
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Patent number: 10317791Abstract: A photomask blank includes a substrate, a phase shifting layer disposed on the substrate, a first light blocking layer disposed on the phase shifting layer, a first resist layer disposed on the first light blocking layer, a second light blocking layer disposed on the first resist layer, and a second resist layer disposed on the second light blocking layer.Type: GrantFiled: March 8, 2016Date of Patent: June 11, 2019Assignee: SK hynix Inc.Inventor: Dong Sik Jang
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Publication number: 20170131628Abstract: A photomask blank includes a substrate, a phase shifting layer disposed on the substrate, a first light blocking layer disposed on the phase shifting layer, a first resist layer disposed on the first light blocking layer, a second light blocking layer disposed on the first resist layer, and a second resist layer disposed on the second light blocking layer.Type: ApplicationFiled: March 8, 2016Publication date: May 11, 2017Inventor: Dong Sik JANG
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Patent number: 9108389Abstract: Disclosed is a transfer film which is transferred to an injection molding product. The transfer film includes a protective layer a printing layer which is stacked on the protective layer; a metal deposition layer which is deposited on the printing layer so as to have an island structure and thus to provide non-conductive property; and adhesive layer which is deposited on the metal deposition layer, thereby providing metal color and non-conductive property.Type: GrantFiled: January 11, 2012Date of Patent: August 18, 2015Assignee: LG Hausys, Ltd.Inventors: Dong Sik Jang, Seung Hun Lee
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Publication number: 20150135761Abstract: The present disclosure relates to a sealing structure for a central wall for a refrigerator, and a refrigerator including the same. The sealing structure includes a refrigerating chamber inner case having a bent, angled or curved portion and a protrusion at one end; a freezer inner case having a bent, angled or curved portion and a protrusion at one end; a central wall which partitions the refrigerating chamber and freezer inner cases; a partition plate having bent, angled or curved portions at sides and/or a front surface thereof, seating grooves configured to receive the protrusions, and flanges at ends and/or a rear surface thereof, at or on a front surface of the central wall; a heat radiating pipe between the refrigerating chamber inner case and the freezer inner case; and a first supporting member on or in the bent, angled or curved portion of the refrigerating chamber inner case.Type: ApplicationFiled: December 13, 2013Publication date: May 21, 2015Applicant: Dongbu Daewoo Electronics CorporationInventor: Dong Sik JANG
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Patent number: 8674261Abstract: The present invention relates to a method and apparatus for manufacturing a solar cell module using a laser. In the present invention, a tabbing process for bonding a solar cell and metal electrodes is performed by a local irradiation with a laser, so that the heating area can be localized only to a required zone (bonding area) for the tabbing process, thereby minimizing a direct heating zone which occurs in the process. Therefore, it is possible to reduce the damage such as cracks and breakage due to thermal expansion/contraction of a solar cell which is conventionally configured to have a multi-layered structure made of different materials, to improve the bonding strength and the bonding uniformity, and to reduce the processing time, thereby improving the production efficiency.Type: GrantFiled: November 18, 2008Date of Patent: March 18, 2014Assignee: LG Hausys, Ltd.Inventors: Dong Hun No, Dong Sik Jang, Je Min Yu
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Publication number: 20130295348Abstract: Disclosed is a transfer film which is transferred to an injection molding product. The transfer film includes a protective layer a printing layer which is stacked on the protective layer; a metal deposition layer which is deposited on the printing layer so as to have an island structure and thus to provide non-conductive property; and adhesive layer which is deposited on the metal deposition layer, thereby providing metal color and non-conductive property.Type: ApplicationFiled: January 11, 2012Publication date: November 7, 2013Applicant: LG HAUSYS LTDInventors: Dong Sik Jang, Seung Hun Lee
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Patent number: 8387893Abstract: A structure of a dry heating system, and a method for constructing the same are disclosed. An upper board stacked on a heat radiator has a double-layer structure comprising first upper board elements and second upper board elements in order to prevent steps from being formed at seaming portions formed on the upper portion of the dry heating system, thereby maintaining flatness of the upper board, and reducing any bending of the upper board, in which the first upper board elements constitute a lower portion of the double-layer structure, and serve to protect the heat radiator while supporting a weight load, and the second upper board elements constitute an upper portion of the double-layer structure, and serve to maintain the flatness of the upper board by removing the steps, thereby ensuring excellent quality in construction of the dry heating system.Type: GrantFiled: December 15, 2005Date of Patent: March 5, 2013Assignee: LG Chem, Ltd.Inventors: Kyoung-Myoung Chae, Sung-Seock Hwang, Se-Chang Kang, Dong-Sik Jang, Seung-Chul Hwang, Suk Jang
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Publication number: 20120012163Abstract: Disclosed is a solar cell module which incorporates layers of design is adapted for integration into construction as exterior walls incorporated into the steel frame of buildings, and comprises a double glass module having an external panel and an internal panel of tempered glass, with solar cells and layers of design between the external tempered glass panel and internal tempered glass panel.Type: ApplicationFiled: July 9, 2009Publication date: January 19, 2012Inventors: Je-Min Yu, Dong-Hun No, Dong-Sik Jang
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Publication number: 20110031225Abstract: The present invention relates to a method and apparatus for manufacturing a solar cell module using a laser. In the present invention, a tabbing process for bonding a solar cell and metal electrodes is performed by a local irradiation with a laser, so that the heating area can be localized only to a required zone (bonding area) for the tabbing process, thereby minimizing a direct heating zone which occurs in the process. Therefore, it is possible to reduce the damage such as cracks and breakage due to thermal expansion/contraction of a solar cell which is conventionally configured to have a multi-layered structure made of different materials, to improve the bonding strength and the bonding uniformity, and to reduce the processing time, thereby improving the production efficiency.Type: ApplicationFiled: November 18, 2008Publication date: February 10, 2011Applicant: LG Hausys LtdInventors: Dong Hun No, Dong Sik Jang, Je Min Yu
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Patent number: 7721498Abstract: Disclosed herein is a floor system for efficiently absorbing an impact applied to a floor. The floor system includes a first impact-absorbing material, and a second impact-absorbing material installed at an upper side of the first impact-absorbing material and having a higher density than that of the first impact-absorbing material.Type: GrantFiled: September 13, 2006Date of Patent: May 25, 2010Assignee: LG Chem, Ltd.Inventors: Se-Chang Kang, Dong-Sik Jang, Myong Lee, Seung-Min Jeon, Sung-Seock Hwang, Seong-Chan Park
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Patent number: 7594365Abstract: Disclosed herein is a floor sound-insulating type heating system in which a floor sound-insulating structure for reducing the transmission of an impact sound from upstairs to downstairs in an apartment complex and a dry floor heating structure are integrally formed with each other. The floor sound-insulating type heating system can achieve improvements in construction efficiency as well as sound insulation and heat insulation effects.Type: GrantFiled: September 13, 2006Date of Patent: September 29, 2009Assignee: LG Chem, Ltd.Inventors: Se-Chang Kang, Dong-Sik Jang, Myong Lee, Seung-Min Jeon, Sung-Seock Hwang, Seong-Chan Park
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Publication number: 20090166552Abstract: An e-beam exposure apparatus includes an electron gun provide an e-beam for exposure to a resist layer formed on a substrate; an e-beam column part inducing the path of the e-beam generated from the electron gun; and an electron collecting part disposed at the periphery of the path of the e-beam projected from the e-beam column part on the resist layer to absorb scattered electrons resulting from emission of the incident e-beam from the resist layer.Type: ApplicationFiled: November 26, 2008Publication date: July 2, 2009Applicant: HYNIX SEMICONDUCTOR INC.Inventor: Dong Sik Jang
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Patent number: 7306304Abstract: A refrigerator shelf includes a glass sheet and upper and lower frames disposed at the edge of the glass sheet. The upper frame has latch parts formed at the lower surface thereof and the lower frame has flanges formed at the upper surface thereof so that the flanges are fitted to the latch parts at both sides of the upper and lower frames. The upper frame is further provided with holes and protrusions formed at the front and rear ends thereof, respectively, and the lower frame is further provided with protrusions and holes formed at the front and rear ends of the lower frame, respectively, so that the holes and protrusions of the upper frame are correspondingly engaged with the protrusions and holes of the lower frame at the front and rear ends of the upper and lower frames.Type: GrantFiled: November 29, 2004Date of Patent: December 11, 2007Assignee: Daewoo Electronics CorporationInventor: Dong Sik Jang
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Publication number: 20070056237Abstract: Disclosed herein is a floor system for efficiently absorbing an impact applied to a floor. The floor system includes a first impact-absorbing material, and a second impact-absorbing material installed at an upper side of the first impact-absorbing material and having a higher density than that of the first impact-absorbing material.Type: ApplicationFiled: September 13, 2006Publication date: March 15, 2007Inventors: Se-Chang Kang, Dong-Sik Jang, Myong Lee, Seung-Min Jeon, Sung-Seock Hwang, Seong-Chan Park