Patents by Inventor Seong-Nam Lee
Seong-Nam Lee 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: 9338443Abstract: A method of displaying a three-dimensional (“3D”) image includes displaying a left-eye image and a right-eye image on a display panel, the display panel including a first sub pixel, a second sub pixel, a third sub pixel and a fourth sub pixel sequentially arranged in a row direction and driving an active barrier panel to form an opening part configured to transmit light and a barrier configured to block light, the active barrier panel including a first barrier electrode, a second barrier electrode, a third barrier electrode and a fourth barrier electrode respectively corresponding to the first, second, third and fourth sub pixels.Type: GrantFiled: August 10, 2012Date of Patent: May 10, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwan-Ho Kim, Seon-Ki Kim, Tae-Ho Kim, Seong-Nam Lee, Jung-Hun Lee, Jae-Woo Jung
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Patent number: 8623473Abstract: A liquid crystal composition according to an exemplary embodiment of the present invention includes a liquid crystal compound represented by a below chemical formula (I) at about 10 wt % to about 15 wt %; and at least one liquid crystal compound at about 3 wt % to about 8 wt % among liquid crystal compounds represented by chemical formula (II) to chemical formula (IV). Here, X and Y may be equal to each other or different from each other, and each is an alkyl group or an alkenyl group having a carbon number of 1 to 4.Type: GrantFiled: September 20, 2011Date of Patent: January 7, 2014Assignee: Samsung Display Co., Ltd.Inventors: Si-Heun Kim, Seong-Nam Lee, Duck-Jong Suh, Ji-Eun Jang, Jae-Weon Hur
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Publication number: 20130241922Abstract: A method of displaying a three-dimensional (“3D”) image includes displaying a left-eye image and a right-eye image on a display panel, the display panel including a first sub pixel, a second sub pixel, a third sub pixel and a fourth sub pixel sequentially arranged in a row direction and driving an active barrier panel to form an opening part configured to transmit light and a barrier configured to block light, the active barrier panel including a first barrier electrode, a second barrier electrode, a third barrier electrode and a fourth barrier electrode respectively corresponding to the first, second, third and fourth sub pixels.Type: ApplicationFiled: August 10, 2012Publication date: September 19, 2013Inventors: Kwan-Ho KIM, Seon-Ki KIM, Tae-Ho KIM, Seong-Nam LEE, Jung-Hun LEE, Jae-Woo JUNG
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Publication number: 20130148070Abstract: A parallax barrier for a 3D image display includes a first substrate; and a second substrate opposite to the first substrate, a first gap control electrode disposed on the first substrate, a first passivation layer disposed on the first gap control electrode, a liquid crystal control electrode disposed on the first passivation layer, an opposing electrode disposed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate, where the liquid crystal control electrode includes a plurality of unit liquid crystal control electrodes, where two neighboring unit liquid crystal control electrodes are spaced apart with a gap, and where the first gap control electrode overlaps the gap between the unit liquid crystal control electrodes.Type: ApplicationFiled: May 30, 2012Publication date: June 13, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Ho KIM, Seong Nam LEE, Jung-Hun LEE, Seung Beom PARK, Duck Jong SUH
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Publication number: 20120262661Abstract: A liquid crystal composition according to an exemplary embodiment of the present invention includes a liquid crystal compound represented by a below chemical formula (I) at about 10 wt % to about 15 wt %; and at least one liquid crystal compound at about 3 wt % to about 8 wt % among liquid crystal compounds represented by chemical formula (II) to chemical formula (IV). Here, X and Y may be equal to each other or different from each other, and each is an alkyl group or an alkenyl group having a carbon number of 1 to 4.Type: ApplicationFiled: September 20, 2011Publication date: October 18, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Si-Heun KIM, Seong-Nam LEE, Duck-Jong SUH, Ji-Eun JANG, Jae-Weon HUR
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Patent number: 8158024Abstract: A liquid crystal display includes a first substrate; a second substrate facing the first substrate; a pair of field generating electrodes disposed on at least one of the first and the second substrates; and a liquid crystal layer disposed between the first and the second substrates; wherein the liquid crystal layer includes a liquid crystal composition including a polar compound, the polar compound including a compound represented by Formula 1: wherein A represents X is a halogen, R1 is a substituted or unsubstituted C1-C10 alkyl group or a substituted or unsubstituted C1-C10 alkoxy group and R2 is a C1-C5 alkyl group or a C1-C5 alkoxy group.Type: GrantFiled: August 3, 2009Date of Patent: April 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Joon-Hyung Park, Jin-Lak Kim, Jeong-Uk Heo, Seong-Nam Lee, Jang-Hyun Kim
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Patent number: 8115898Abstract: A liquid crystal display (LCD) which can be driven at a low voltage and has a fast response time. The LCD includes a liquid crystal composition interposed between a first substrate and a second substrate, wherein the liquid crystal composition includes a first polar liquid crystal compound and a second polar liquid crystal compound, each in an amount of 20% or less by weight based on a weight of the liquid crystal composition, wherein the first polar liquid crystal compound is represented by and the second polar liquid crystal compound is represented by at least one of where each of R1, R2, and R3, and R4 independently is an alkyl group, an alkoxy group, or an alkenyl group having about 2 to about 15 carbon atoms.Type: GrantFiled: May 27, 2009Date of Patent: February 14, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-Nam Lee, Nam-Seok Lee, Jeong-Uk Heo, Kyong-Ok Park, Sung-Hwan Hong
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Patent number: 8048334Abstract: A display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a switching element connected to a gate line and a data line crossing each other, and a pixel electrode electrically connected to the switching element. The pixel electrode includes a first domain-dividing portion extending in a direction. The second substrate is spaced apart from the first substrate to have a cell gap of about 3.1 ?m to about 3.3 ?m. The second substrate includes a common electrode including a second domain dividing portion formed in a region between the first domain-dividing portions adjacent to each other. The liquid crystal layer is interposed between the first and second substrates. The liquid crystal layer includes a liquid crystal composition having a refractive anisotropy (?n) of about 0.1010 to about 0.1030.Type: GrantFiled: July 15, 2009Date of Patent: November 1, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-Hun Lee, Seon-Ah Cho, Jeong-Uk Heo, Seong-Nam Lee, Byoung-Sun Na
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Patent number: 7976910Abstract: A liquid crystal includes about 50 wt % to about 65 wt % of a negative compound material, and about 40 wt % to about 50 wt % of a neutral compound material. A liquid crystal display apparatus comprises a first substrate having a pixel area, a second substrate facing the first substrate, and a plurality of liquid crystals disposed between the first substrate and the second substrate, wherein each liquid crystal comprises about 50 wt % to about 65 wt % of a negative compound material having a dielectric anisotropy of a negative polarity, and about 40 wt % to about 50 wt % of a neutral compound material.Type: GrantFiled: December 30, 2008Date of Patent: July 12, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seon-Ah Cho, Jang-Hyun Kim, Seong-Nam Lee, Jeong-Uk Heo
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Patent number: 7932984Abstract: An end-sealant composition for a liquid crystal display (LCD) panel includes an acrylic polymer resin, a polymeric photoinitiator polymerized into an acrylic chain, and an acryl-philic coupling agent. The end-sealant composition exhibits reduced diffusion into the liquid crystals during an end-sealant forming process. Image defects such as stains around fill ports and incidental images are thereby prevented, so that high quality displays can be prepared. Use of the end-sealant composition can provide high performance for high dielectric constant liquid crystals that are widely used in the fabrication of liquid crystal display panels.Type: GrantFiled: September 30, 2008Date of Patent: April 26, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-Nam Lee, Jeong-Uk Heo, Nam-Seok Lee, Jun-Hyup Lee, Jung-Hun Lee
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Patent number: 7923163Abstract: The present invention relates to the structure of a bipolar plate for direction methanol fuel cell, the shape of a flow path and a fuel cell including them, more particularly, to the structure of a bipolar plate for direct methanol fuel cell using a flow path with a dispersion structure not the existing serpentine type for supplying a fuel to the new bipolar plate and functioning as a collector and the shape of a flow path. According to the present invention, a fluid flow resistance is decreased and a direct reaction region of a fluid and an electrode catalyst is increased in a bipolar plate, and therefore the performance of a fuel Cell can be improved.Type: GrantFiled: January 12, 2007Date of Patent: April 12, 2011Assignee: Korea Advanced Institute of Science and TechnologyInventors: Jung-Ki Park, Ho-Young Jung, Ki-Yun Cho, Kyung-A Sung, Wan-Keun Kim, Seong-Nam Lee
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Publication number: 20100225841Abstract: A liquid crystal display includes a first substrate; a second substrate facing the first substrate; a pair of field generating electrodes disposed on at least one of the first and the second substrates; and a liquid crystal layer disposed between the first and the second substrates; wherein the liquid crystal layer includes a liquid crystal composition including a polar compound, the polar compound including a compound represented by Formula 1: wherein A represents X is a halogen, R1 is a substituted or unsubstituted C1-C10 alkyl group or a substituted or unsubstituted C1-C10 alkoxy group and R2 is a C1-C5 alkyl group or a C1-C5 alkoxy group.Type: ApplicationFiled: August 3, 2009Publication date: September 9, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joon-Hyung PARK, Jin-Lak KIM, Jeong-Uk HEO, Seong-Nam LEE, Jang-Hyun KIM
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Publication number: 20100165223Abstract: A liquid crystal includes about 50 wt % to about 65 wt % of a negative compound material, and about 40 wt % to about 50 wt % of a neutral compound material. A liquid crystal display apparatus comprises a first substrate having a pixel area, a second substrate facing the first substrate, and a plurality of liquid crystals disposed between the first substrate and the second substrate, wherein each liquid crystal comprises about 50 wt % to about 65 wt % of a negative compound material having a dielectric anisotropy of a negative polarity, and about 40 wt % to about 50 wt % of a neutral compound material.Type: ApplicationFiled: December 30, 2008Publication date: July 1, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seon-Ah Cho, Jang-Hyun Kim, Seong-Nam Lee, Jeong-Uk Heo
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Publication number: 20100149478Abstract: A display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a switching element connected to a gate line and a data line crossing each other, and a pixel electrode electrically connected to the switching element. The pixel electrode includes a first domain-dividing portion extending in a direction. The second substrate is spaced apart from the first substrate to have a cell gap of about 3.1 ?m to about 3.3 ?m. The second substrate includes a common electrode including a second domain dividing portion formed in a region between the first domain-dividing portions adjacent to each other. The liquid crystal layer is interposed between the first and second substrates. The liquid crystal layer includes a liquid crystal composition having a refractive anisotropy (?n) of about 0.1010 to about 0.1030.Type: ApplicationFiled: July 15, 2009Publication date: June 17, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-Hun LEE, Seon-Ah CHO, Jeong-Uk HEO, Seong-Nam LEE, Byoung-Sun NA
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Publication number: 20100103365Abstract: A liquid crystal display (LCD) which can be driven at a low voltage and has a fast response time. The LCD includes a liquid crystal composition interposed between a first substrate and a second substrate, wherein the liquid crystal composition includes a first polar liquid crystal compound and a second polar liquid crystal compound, each in an amount of 20% or less by weight based on a weight of the liquid crystal composition, wherein the first polar liquid crystal compound is represented by and the second polar liquid crystal compound is represented by at least one of where each of R1, R2, and R3, and R4 independently is an alkyl group, an alkoxy group, or an alkenyl group having about 2 to about 15 carbon atoms.Type: ApplicationFiled: May 27, 2009Publication date: April 29, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Seong-Nam LEE, Nam-Seok LEE, Jeong-Uk HEO, Kyong-Ok PARK, Sung-Hwan HONG
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Publication number: 20090185120Abstract: A thin-film transistor (“TFT”) substrate includes; a substrate including both a light-transmitting region and a light-blocking region, a solar cell pattern disposed on the light-blocking region of the substrate, and comprising at least one solar cell, an insulation layer disposed on the solar cell pattern, and a TFT disposed on the insulation layer.Type: ApplicationFiled: January 12, 2009Publication date: July 23, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Soo-Wan YOON, Ho-Yun BYUN, Jeong-Uk HEO, Chong-Chul CHAI, Nam-Seok LEE, Su-Jeong KIM, Sung-Hwan HONG, Seong-Nam LEE, Jung-Hun LEE, Ji-Yoon JUNG, Kwang-Hyun KIM, Kyong-Ok PARK
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Publication number: 20090147206Abstract: An end-sealant composition for a liquid crystal display (LCD) panel includes an acrylic polymer resin, a polymeric photoinitiator polymerized into an acrylic chain, and an acryl-philic coupling agent. The end-sealant composition exhibits reduced diffusion into the liquid crystals during an end-sealant forming process. Image defects such as stains around fill ports and incidental images are thereby prevented, so that high quality displays can be prepared. Use of the end-sealant composition can provide high performance for high dielectric constant liquid crystals that are widely used in the fabrication of liquid crystal display panels.Type: ApplicationFiled: September 30, 2008Publication date: June 11, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Seong-Nam LEE, Jeong-Uk HEO, Nam-Seok LEE, Jun-Hyup LEE, Jung-Hun LEE
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Publication number: 20070160894Abstract: The present invention relates to the structure of a bipolar plate for direction methanol fuel cell, the shape of a flow path and a fuel cell including them, more particularly, to the structure of a bipolar plate for direct methanol fuel cell using a flow path with a dispersion structure not the existing serpentine type for supplying a fuel to the new bipolar plate and functioning as a collector and the shape of a flow path. According to the present invention, a fluid flow resistance is decreased and a direct reaction region of a fluid and an electrode catalyst is increased in a bipolar plate, and therefore the performance of a fuel cell can be improved.Type: ApplicationFiled: January 12, 2007Publication date: July 12, 2007Inventors: Jung-Ki Park, Ho-Young Jung, Ki-Yun Cho, Kyung-A Sung, Wan-Keun Kim, Seong-Nam Lee
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Patent number: 7151142Abstract: The present invention is directed to a poly(ethylene glycol)-grafted aliphatic polyester represented by Formula 1: wherein X is an aliphatic ester, R is hydrogen or C1-5 alkyl, Z is the binding moiety of an initiator or a chain transfer agent, m/l is from 0.1 to 50, n is from 2 to 50, w is 1 or greater, and y is from 1 to 200. Further disclosed is a method for preparing the poly(ethylene glycol)-grafted aliphatic polyester of the present invention.Type: GrantFiled: June 25, 2004Date of Patent: December 19, 2006Assignee: Korea Advanced Institute of Science and TechnologyInventors: Jung Ki Park, Seong-Nam Lee, Shi-Joon Sung, Ki-Yun Cho
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Publication number: 20050065292Abstract: The present invention is directed to a poly(ethylene glycol)-grafted aliphatic polyester represented by Formula 1: wherein X is an aliphatic ester, R is hydrogen or C1-5 alkyl, Z is the binding moiety of an initiator or a chain transfer agent, m/l is from 0.1 to 50, n is from 2 to 50, w is 1 or greater, and y is from 1 to 200. Further disclosed is a method for preparing the poly(ethylene glycol)-grafted aliphatic polyester of the present invention.Type: ApplicationFiled: June 25, 2004Publication date: March 24, 2005Inventors: Jung Park, Seong-Nam Lee, Shi-Joon Sung, Ki-Yun Cho