Patents by Inventor Seung-eon Lee
Seung-eon 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).
-
Publication number: 20240132436Abstract: Proposed is a compound represented by Formula 1, where R1 is an alkyl group having 9 to 30 carbon atoms, an alkenyl group having 9 to 30 carbon atoms, or an alkynyl group having 9 to 30 carbon atoms, R2 is hydrogen, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or an alkynyl group having 2 to 10 carbon atoms, and R3 to R5 are each independently hydrogen, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or an alkynyl group having 2 to 10 carbon atoms. Alternatively, at least two of R3 to R5 are bonded together to form a hydrocarbon ring having 5 or 6 carbon atoms. In addition, proposed are a lube base oil and a lubricant composition comprising the compound.Type: ApplicationFiled: August 9, 2023Publication date: April 25, 2024Inventors: Jun Soo SON, Nam Kyu BANG, Seung Eon LEE, Ji Su JEONG
-
Method of Producing Lube Base Oil from Middle Distillate in Pyrolysis Oil Derived from Waste Plastic
Publication number: 20230083259Abstract: Provided are a method of producing a Lube base oil composition including a) reacting at least a part of waste plastic pyrolysis oil having a boiling point in a range of 180 to 340° C. to remove impurities and oligomerize the oil; and b) hydroisomerizing at least a part of the product of step a). A lube base oil composition is also produced therefrom.Type: ApplicationFiled: August 26, 2022Publication date: March 16, 2023Inventors: Hee Jung Jeon, Yeon Ho Kim, Ok Youn Kim, Seung Eon Lee, Seung Woo Lee, Yoon Kyung Lee, Ka Young Kim, Young Moo Park, Ho Won Lee -
Patent number: 11396636Abstract: Proposed is a mineral lubricating base oil having improved low-temperature performance, in which the lubricating base oil has kinematic viscosity of 9.0 cSt or less (at 40° C.), kinematic viscosity of 2.5 cSt or less (at 100° C.), and a pour point of ?50° C. or less.Type: GrantFiled: September 24, 2019Date of Patent: July 26, 2022Assignee: SK INNOVATION CO., LTD.Inventors: Seung Eon Lee, Hak Mook Kim, Jin Hee Ok, Kyung Seok Noh, Jun Soo Park, Yong Rae Cho
-
Patent number: 11225616Abstract: Disclosed is a method of producing a lubricating base oil, including providing a feedstock including a diesel fraction, subjecting the feedstock to catalytic dewaxing, and recovering a lubricating base oil from a product of the catalytic dewaxing. A lubricating base oil produced thereby and a lubricant product including the lubricating base oil are also provided.Type: GrantFiled: July 6, 2020Date of Patent: January 18, 2022Assignees: SK INNOVATION CO., LTD, SK LUBRICANTS CO., LTD.Inventors: Seung Eon Lee, Hak Mook Kim, Jin Hee Ok
-
Publication number: 20210403823Abstract: Proposed is a mineral lubricating base oil having improved low-temperature performance, in which the lubricating base oil has kinematic viscosity of 9.0 cSt or less (at 40° C.), kinematic viscosity of 2.5 cSt or less (at 100° C.), and a pour point of ?50° C. or less.Type: ApplicationFiled: September 24, 2019Publication date: December 30, 2021Applicants: SK INNOVATION CO., LTD., SK LUBRICANTS CO., LTD.Inventors: Seung Eon LEE, Hak Mook KIM, Jin Hee OK, Kyung Seok NOH, Jun Soo PARK, Yong Rae CHO
-
Publication number: 20210087477Abstract: Disclosed is a method of producing a lubricating base oil, including providing a feedstock including a diesel fraction, subjecting the feedstock to catalytic dewaxing, and recovering a lubricating base oil from a product of the catalytic dewaxing. A lubricating base oil produced thereby and a lubricant product including the lubricating base oil are also provided.Type: ApplicationFiled: July 6, 2020Publication date: March 25, 2021Inventors: Seung Eon LEE, Hak Mook KIM, Jin Hee OK
-
Patent number: 9382334Abstract: Provided are an optical film using a cellulose derivative, useful in an image display device, such as a liquid crystal display or the like, a retardation film and a polarization film using the optical film, and a liquid crystal display having excellent view angle characteristics by using these films, while the optical film uses a cellulose derivative resin in which some hydrogen atoms of hydroxy groups of cellulose are substituted with three or more kinds of substituents.Type: GrantFiled: January 4, 2013Date of Patent: July 5, 2016Assignee: SK Innovation Co., Ltd.Inventors: Myoung Lae Kim, Hyuk Jun Kim, Won Yeob Kim, Min Joung Im, Yeong Min Jo, Seung Eon Lee, Hyo Shin Kwak
-
Publication number: 20150068427Abstract: Provided is an optical film used for the optical compensation, in which additives are added to thereby have a good stability at high temperature and high humidity, a higher chromaticity, a higher Haze and a higher moisture resistance, as well as a small thickness direction retardation (Rth).Type: ApplicationFiled: May 7, 2013Publication date: March 12, 2015Inventors: Won Yeob Kim, Myoung Lae Kim, Hyuk Jun Kim, Yong Gyun Cho, Min Joung Im, Yeong Min Jo, Seung Eon Lee, Hyo Shin Kwak
-
Publication number: 20150004333Abstract: Provided are an optical film using a cellulose derivative, useful in an image display device, such as a liquid crystal display or the like, a retardation film and a polarization film using the optical film, and a liquid crystal display having excellent view angle characteristics by using these films, while the optical film uses a cellulose derivative resin in which some hydrogen atoms of hydroxy groups of cellulose are substituted with three or more kinds of substituents.Type: ApplicationFiled: January 4, 2013Publication date: January 1, 2015Inventors: Myoung Lae Kim, Hyuk Jun Kim, Won Yeob Kim, Min Joung Im, Yeong Min Jo, Seung Eon Lee, Hyo Shin Kwak
-
Publication number: 20140311381Abstract: Provided is a cellulose acylate film for an optical film usable for optical compensation sheet, an optical filter for stereoscopic images, a polarizer and a liquid crystal display and the like.Type: ApplicationFiled: March 7, 2014Publication date: October 23, 2014Applicant: SK Innovation Co., Ltd.Inventors: Hyo Shin Kwak, Min Joung Im, Seung Eon Lee, Tae Sug Jang, Myoung Lae Kim, Yong Gyun Cho, Won Yeob Kim, Min Sang Park
-
Publication number: 20140116292Abstract: The present invention relates to a cellulose acetate film used for optical compensation and a retardation enhancer used therein, and relates to a cellulose acetate film which has a high retardation value in the thickness direction (Rth).Type: ApplicationFiled: June 20, 2012Publication date: May 1, 2014Applicant: SK INNOVATION CO., LTD.Inventors: Won Yeob Kim, Min Joung Im, Seung Eon Lee, Myoung Lae Kim, Yong Gyun Cho, Sang Yeup Lee, Ki Yup Kim
-
Publication number: 20140116293Abstract: The present invention relates to a cellulose acetate film for optical compensation and a retardation enhancer used therein, and relates to a cellulose acetate film which has a high retardation value in the thickness direction (Rth).Type: ApplicationFiled: June 20, 2012Publication date: May 1, 2014Applicant: SK INNOVATION CO., LTD.Inventors: Won Yeob Kim, Min Joung Im, Seung Eon Lee, Hyo Shin Kwak, Myoung Lae Kim, Yong Gyun Cho
-
Patent number: 8659715Abstract: A liquid crystal display (LCD) apparatus is provided. The LCD apparatus includes a frame, a liquid crystal panel which is disposed inside the frame, at least one fluorescent lamp which is disposed inside the frame to project light toward the liquid crystal panel, a voltage supply printed circuit board (PCB) which supplies a driving voltage to the fluorescent lamp and includes a connection end and at least one connection terminal arranged on the connection end; and at least one fluorescent lamp connector to which the fluorescent lamp and the voltage supply PCB are connected and which includes a PCB insertion recess into which the connection end is inserted, and the PCB insertion recess has opposite sides which are open in a width direction of the fluorescent lamp connector.Type: GrantFiled: November 20, 2009Date of Patent: February 25, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Ju-taek Lee, Dae-hyoun Byoun, Seung-eon Lee
-
Patent number: 7869227Abstract: A method of supplying a power to elements in a power supply apparatus including a primary side and a second side. Particularly, a method of supplying a driving power to an element at the primary side of the power supply apparatus from a primary coil of a transformer. A power factor improvement section improves a power factor of a received alternating current (AC) power. A transformer then receives the AC power having the improved power factor from a primary coil and generates an induced power at a secondary coil. The transformer then provides the AC power to drive a predetermined element located at the primary side of the power supply apparatus from the primary coil.Type: GrantFiled: June 9, 2005Date of Patent: January 11, 2011Assignee: Samsung Electronics Co., LtdInventors: Seung-eon Lee, Kyoung-geun Lee, Jong-cheol Lee
-
Publication number: 20100253871Abstract: A liquid crystal display (LCD) apparatus is provided. The LCD apparatus includes a frame, a liquid crystal panel which is disposed inside the frame, at least one fluorescent lamp which is disposed inside the frame to project light toward the liquid crystal panel, a voltage supply printed circuit board (PCB) which supplies a driving voltage to the fluorescent lamp and includes a connection end and at least one connection terminal arranged on the connection end; and at least one fluorescent lamp connector to which the fluorescent lamp and the voltage supply PCB are connected and which includes a PCB insertion recess into which the connection end is inserted, and the PCB insertion recess has opposite sides which are open in a width direction of the fluorescent lamp connector.Type: ApplicationFiled: November 20, 2009Publication date: October 7, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Ju-taek LEE, Dae-hyoun BYOUN, Seung-eon LEE
-
Publication number: 20080088554Abstract: A liquid crystal display (LCD) apparatus includes: an LCD panel; a light source unit which emits light to the LCD panel; a heating device which preheats the light source unit; a temperature sensing unit which senses temperature of the light source unit and outputs a temperature information; and a variable voltage supplying unit which changes a driving voltage to be supplied to the heating device according to the temperature information of the temperature sensing unit.Type: ApplicationFiled: September 17, 2007Publication date: April 17, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Seung-eon LEE
-
Publication number: 20060070768Abstract: A PCB assembly includes a main PCB having an accommodating slit part penetratingly formed therethrough and at least one main terminal part disposed at sides of the accommodating slit part, and a sub PCB having an inserting part which is insertable into the accommodating slit part, the sub PCB including a sub terminal part disposed to correspond to the main terminal part, and a through slot formed in the inserting part along an inserting direction of the sub PCB. Accordingly, the PCB assembly stably combines the sub PCB and the main PCB.Type: ApplicationFiled: September 9, 2005Publication date: April 6, 2006Inventor: Seung-eon Lee
-
Publication number: 20060044303Abstract: A method of supplying a power to elements in a power supply apparatus including a primary side and a second side. Particularly, a method of supplying a driving power to an element at the primary side of the power supply apparatus from a primary coil of a transformer. A power factor improvement section improves a power factor of a received alternating current (AC) power. A transformer then receives the AC power having the improved power factor from a primary coil and generates an induced power at a secondary coil. The transformer then provides the AC power to drive a predetermined element located at the primary side of the power supply apparatus from the primary coil.Type: ApplicationFiled: June 9, 2005Publication date: March 2, 2006Inventors: Seung-eon Lee, Kyoung-geun Lee, Jong-cheol Lee
-
Patent number: 6997723Abstract: A power inlet socket includes a socket body; live and neutral terminals provided on the socket body, and each having a first pin connected to the power plug and a second pin soldered on the substrate. A ground terminal is provided between the live terminal and the neutral terminal of the socket body; and a ground member is connected to the ground terminal and soldered on the substrate at opposite sides of the socket body. The socket body has a cavity formed with a bottom wall, opposite side walls, a top wall, and a rear wall, and which is open at one side thereof. The ground member is structured to connect the ground terminal at the rear wall and is forked so as to branch from the connection to the ground terminal to surround the upper wall and the opposite side walls.Type: GrantFiled: November 22, 2004Date of Patent: February 14, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Seung-eon Lee
-
Publication number: 20050112919Abstract: A power inlet socket includes a socket body; live and neutral terminals provided on the socket body, and each having a first pin connected to the power plug and a second pin soldered on the substrate. A ground terminal is provided between the live terminal and the neutral terminal of the socket body; and a ground member is connected to the ground terminal and soldered on the substrate at opposite sides of the socket body. The socket body has a cavity formed with a bottom wall, opposite side walls, a top wall, and a rear wall, and which is open at one side thereof. The ground member is structured to connect the ground terminal at the rear wall and is forked so as to branch from the connection to the ground terminal to surround the upper wall and the opposite side walls.Type: ApplicationFiled: November 22, 2004Publication date: May 26, 2005Inventor: Seung-eon Lee