Patents by Inventor Young-Sun Park
Young-Sun Park 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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Publication number: 20100299534Abstract: In a data storage device, unauthorized access to stored data in the data storage device can be effectively prevented by encrypting and storing security data needed for data encryption, setting an encryption key to encrypt/decrypt the security data by a user, and receiving the encryption key from a host, if necessary, not storing the encryption key in the data storage device.Type: ApplicationFiled: May 20, 2010Publication date: November 25, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Seok SHIM, Young Sun PARK
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Patent number: 7833648Abstract: Disclosed is an electrochemical device including a gas discharge member disposed in inner volumes thereof or used as an element for forming the device, wherein the gas discharge member comprises: (a) a core portion containing a compound that discharges gases other than oxygen at a predetermined temperature range; and (b) a polymeric shell portion for encapsulating the compound and surrounding the core portion. A center pin for an electrochemical device having the gas discharge member inserted into the interstitial volumes of the device is also disclosed. The electrochemical device comprising the gas discharge member, which discharges a large amount of gas at a predetermined temperature and is inserted into the inner volumes of the device, is prevented from ignition or explosion under overcharge and high-temperature storage conditions with no drop in the performance.Type: GrantFiled: July 27, 2007Date of Patent: November 16, 2010Assignee: LG Chem, Ltd.Inventors: Young Sun Park, Myoung Hun Lee, Pil Kyu Park, Eun Ju Kang, Gi Cheul Kim
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Publication number: 20100261042Abstract: Disclosed is a sealed structure for an electrochemical device having a hollow space therein, further comprising a material generating gases via thermal decomposition in the hollow space. Also, disclosed is an electrochemical device comprising a cathode, an anode, a separator, an electrolyte, a casing for the device, and the structure for the electrochemical device.Type: ApplicationFiled: August 24, 2007Publication date: October 14, 2010Applicant: LG Chem LtdInventors: Young-Sun Park, Myoung-Hun Lee, Pil-Kyu Park, Eun-Ju Kang
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Publication number: 20100250637Abstract: A random number generation method and apparatus are disclosed. In the random number generation method, a random number is generated using a plurality of digital signals existing in various storage devices, and thus the speed at which a random number is generated may be significantly increased.Type: ApplicationFiled: March 30, 2010Publication date: September 30, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Seok SHIM, Young Sun PARK
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Publication number: 20100237275Abstract: Disclosed is a method for preparing a lithium metal phosphate represented by the following Formula 1 by using a mixture of a metal (M) with a metal oxide containing the same metal: LixMyPO4??[Formula 1] wherein M is a transition metal element selected from Group 3 to 12 elements in the Periodic Table, Mg, Al, Ga and B; 0.05?x?1.2; and 0.8?y?1.2. Also, an electrode comprising the lithium metal phosphate as an electrode active material, and a secondary battery comprising the electrode are also disclosed.Type: ApplicationFiled: August 20, 2007Publication date: September 23, 2010Applicant: LG CHEM,LTD.Inventors: Young-Sun Park, Jae-Won Lee, Yong-Tae Lee
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Publication number: 20100112445Abstract: The present invention provides a cathode comprising two or more lithium-containing metal composite oxides, having different potentials versus lithium (Li/Li+) and different impedances, the cathode comprising: (a) a first lithium-containing metal composite oxide; and (b) a second lithium-containing metal composite oxide, which has a high impedance and low potential versus lithium (Li/Li+), compared to those of the first lithium-containing metal composite oxide. In the invention, two or more lithium-containing metal composite oxides are used in combination as cathode components in a battery, whereby, when a short circuit occurs in the battery, the instantaneous flow of a large amount of current can be minimized and, at the same time, the accumulation of heat in the battery can be reduced, thus ensuring the safety of the battery.Type: ApplicationFiled: January 16, 2008Publication date: May 6, 2010Applicant: LG CHEM, LTD.Inventors: Pil-Kyu Park, Young-Sun Park, Byung-Hun Oh, Ki-Tae Kim, Myoung-Hun Lee, Jae-Won Lee
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Publication number: 20100045985Abstract: The present invention relates to an ellipsometer, and more particularly, to an ellipsometer to find out the optical properties of the sample by analyzing the variation of the polarization of a light which has specific polarisation then reflected on a surface of the sample.Type: ApplicationFiled: June 20, 2007Publication date: February 25, 2010Inventors: Joong Whan Lee, Young June Ko, Young Sun Park, Yoon Jong Park, Chi Woon Jeong, Sang Heon Ye, Yong Jai Cho, Hyun Mo Cho, Won Chegal
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Publication number: 20100035131Abstract: Disclosed is the structure of a center pin inserted into the winding center of a winding-type electrode assembly of an electrochemical device, which has a case containing the winding-type electrode assembly. The center pin can be manufactured through a simple process and can secure the safety of an electrochemical device when physical impact (e.g. squeezing, shock) is applied from the outside or when the internal temperature rises. The center pin is manufactured by winding a planar substrate, which has at least two protrusions formed in an embossing type or which has at least two scores formed in a predetermined shape, into a tubular shape.Type: ApplicationFiled: October 22, 2007Publication date: February 11, 2010Applicant: LG CHEM, LTD.Inventors: Young-Sun Park, Byung-Hun Oh, Pil-Kyu Park, Yong-Tae Lee, Jae-Won Lee, Myoung-Hun Lee
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Publication number: 20100028776Abstract: Disclosed are a cathode active material and a secondary battery including the same. Herein, the cathode active material includes (a) a first lithium-containing metal composite oxide and (b) a second lithium-containing metal composite oxide coated on an entire particle surface of the first lithium-containing metal composite oxide, the second lithium-containing metal composite oxide having a higher resistance and a lower potential vs. lithium potential (Li/Li? 1) than the first lithium-containing metal composite oxide. In the disclosed cathode active material, an entire surface of a first lithium-containing metal composite oxide is coated with a second lithium-containing metal composite oxide having a high resistance value and a low potential vs. lithium potential.Type: ApplicationFiled: January 18, 2008Publication date: February 4, 2010Applicant: LG CHEM, LTD.Inventors: Pil-Kyu Park, Young-Sun Park, Jae-Won Lee
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Publication number: 20100021801Abstract: Disclosed is the structure of a center pin assembly inserted into the winding center of a winding-type electrode assembly of an electrochemical device, which has a case containing the winding-type electrode assembly. The center pin assembly can secure the safety of an electrochemical device when physical impact (e.g. squeezing, shock) is applied from the outside, when the internal temperature rises, and/or when the device is overcharged. The center pin assembly includes a center pin manufactured by winding a planar substrate into a tubular shape, the planar substrate having at least two protrusions formed in an embossing type or at least two discontinuous scores formed in a predetermined shape; and a container placed in a space inside the center pin, the container containing a substance capable of improving the safety of the device.Type: ApplicationFiled: October 22, 2007Publication date: January 28, 2010Applicant: LG CHEM, LTD.Inventors: Young-Sun Park, Myoung-Hun Lee, Pil-Kyu Park, Eun-Ju Kang
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Publication number: 20080174560Abstract: A portable computer includes a main body casing having an opening formed at a center part thereof, and a first panel and a second panel which are provided in opposite sides of the opening, a display part which displays an image through the opening, and a first input button group and a second input button group which are selected from a character input keyboard of a computer interface, and are respectively provided in the left panel and the right panel.Type: ApplicationFiled: April 30, 2007Publication date: July 24, 2008Applicant: Samsung Electronics Co., Ltd.Inventor: Young-sun Park
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Publication number: 20080026283Abstract: Disclosed is an electrochemical device including a gas discharge member disposed in inner volumes thereof or used as an element for forming the device, wherein the gas discharge member comprises: (a) a core portion containing a compound that discharges gases other than oxygen at a predetermined temperature range; and (b) a polymeric shell portion for encapsulating the compound and surrounding the core portion. A center pin for an electrochemical device having the gas discharge member inserted into the interstitial volumes of the device is also disclosed. The electrochemical device comprising the gas discharge member, which discharges a large amount of gas at a predetermined temperature and is inserted into the inner volumes of the device, is prevented from ignition or explosion under overcharge and high-temperature storage conditions with no drop in the performance.Type: ApplicationFiled: July 27, 2007Publication date: January 31, 2008Applicant: LG CHEM, LTD.Inventors: Young Sun PARK, Myoung Hun LEE, Pil Kyu PARK, Eun Ju KANG, Gi Cheul KIM
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Patent number: 7180838Abstract: An optical pickup apparatus includes a light source module which emits a light beam, a beam splitter which reflects or transmits the light beam emitted from the light source module, an objective lens which focuses the light beam passing through the beam splitter onto a disc, and a photodetector which receives and detects the light beam reflected by the disc, wherein the light source module includes a first light source and a second light source that emit first and second light beams having different wavelengths and are formed into a single module. The optical pickup apparatus further includes a first grating which divides the first light beam emitted from the first light source into three beams of the first light beam and transmits the second light beam emitted from the second light source, and a second grating which transmits the first light beam emitted from the first light source and divides the second light beam emitted from the second light source into three beams of the second light beam.Type: GrantFiled: March 18, 2003Date of Patent: February 20, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Young-sun Park, Bong-gi Kim, Soo-han Park
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Patent number: 7145859Abstract: An optical pickup includes a light source which emits first and second lights having different wavelengths for a first recording medium and a second recording medium having a relatively large thickness, respectively, an optical path changer which alters a traveling path of incident light, and an objective lens which focuses the first and second lights on the recording medium. While the light source emits the first light, a photodetector is adjusted to be aligned with the optical axis for the first recording medium. The light source and/or a sensing lens are adjusted in the direction of the optical axis, and the tilt of the objective lens is adjusted. Next, while the light source is operated to emit the second light, the light source is adjusted in a rotating direction. As such, an optical axis alignment is completed for the first and second recording media.Type: GrantFiled: September 17, 2002Date of Patent: December 5, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Soo-han Park, Young-sun Park, Moon-lwhan Lee, Do-hoan Nam, Chun-seong Park
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Patent number: 7104084Abstract: A heat pump equipped with an extraction heat exchanger includes a compressor sucking low-temperature-and-low-pressure liquid refrigerant, and compressing and discharging the low-temperature-and-low-pressure liquid refrigerant into high-temperature-and-high-pressure liquid refrigerant, a condenser in which air passing therethrough absorbs heat from the liquid refrigerant to liquefy the liquid refrigerant, an evaporator in which refrigerant absorbs heat from indoor air and is evaporated to cool indoor air, a main electronic expansion valve connected between the condenser and the evaporator to decompress the liquid refrigerant liquefied in the condenser such that the decompressed refrigerant is easily evaporated in the evaporator and flows at a predetermined flow rate; and the extraction heat exchanger branching a part of the high-temperature-and-high-pressure liquid refrigerant, and performing and bypassing heat exchange between high-temperature-and-high-pressure super-cooled liquid refrigerant and high-temperaType: GrantFiled: September 21, 2005Date of Patent: September 12, 2006Assignee: Daewoo Electronics CorporationInventors: Young Sun Park, Yun Su Lee, Sun Sik Kim
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Publication number: 20040060841Abstract: Disclosed are a booklet blister package and its manufacturing method, in which a description is seal-attached to the blister package on a side of the lid foil. By the package and method, a user can safely use contents in the package, and the manufacturing cost of the package can be reduced. The method comprises the steps of: putting contents in the blister cavity formed on the base film; sealing a lid foil to the base film in such a manner as that the contents are filled between the base film and the lid foil; supplying a description from a description feeding roll and locating the description on the lid foil; selectively seal-attaching the description onto one edge of blister package on a side of the lid foil; and punching predetermined portions of the blister package sealed description, so as to produce a booklet blister package.Type: ApplicationFiled: August 8, 2003Publication date: April 1, 2004Inventors: Young Sun Park, Sin Young Kang
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Publication number: 20030179680Abstract: An optical pickup apparatus includes a light source module which emits a light beam, a beam splitter which reflects or transmits the light beam emitted from the light source module, an objective lens which focuses the light beam passing through the beam splitter onto a disc, and a photodetector which receives and detects the light beam reflected by the disc, wherein the light source module includes a first light source and a second light source that emit first and second light beams having different wavelengths and are formed into a single module. The optical pickup apparatus further includes a first grating which divides the first light beam emitted from the first light source into three beams of the first light beam and transmits the second light beam emitted from the second light source, and a second grating which transmits the first light beam emitted from the first light source and divides the second light beam emitted from the second light source into three beams of the second light beam.Type: ApplicationFiled: March 18, 2003Publication date: September 25, 2003Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-sun Park, Bong-gi Kim, Soo-han Park
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Publication number: 20030053394Abstract: An optical pickup includes a light source which emits first and second lights having different wavelengths for a first recording medium and a second recording medium having a relatively large thickness, respectively, an optical path changer which alters a traveling path of incident light, and an objective lens which focuses the first and second lights on the recording medium. While the light source emits the first light, a photodetector is adjusted to be aligned with the optical axis for the first recording medium. The light source and/or a sensing lens are adjusted in the direction of the optical axis, and the tilt of the objective lens is adjusted. Next, while the light source is operated to emit the second light, the light source is adjusted in a rotating direction. As such, an optical axis alignment is completed for the first and second recording media.Type: ApplicationFiled: September 17, 2002Publication date: March 20, 2003Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Soo-han Park, Young-sun Park, Moon-whan Lee, Do-hoan Nam, Chun-seong Park
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Patent number: 6412982Abstract: There is provided an elastomeric bearing installed at an upper girder of a bridge or between upper and lower parts of a building, for supporting a load in a stable manner. The elastomeric bearing includes a cylinder member having a plurality of cylindrical hollows, elastomeric members seated on the respective cylindrical hollows of the cylinder member, a plurality of pistons inserted into the respective cylindrical hollows of the cylinder member to hermetically seal the elastomeric members seated thereon, and elasticity reinforcement elements integrally formed with the cylinder member and the plurality of pistons, for accommodating the same, the cylinder member having a plate-shaped body and a plurality of cylinders having cylindrical hollows formed therein, the plurality of cylinders protruding from the bottom of the body. Since buckling occurs only in one direction while supporting a higher load by constricting expansion, the safety can be enhanced.Type: GrantFiled: July 31, 2000Date of Patent: July 2, 2002Assignee: Hyup Sung Industrial Co., Ltd.Inventor: Young-Sun Park