Patents by Inventor Hong-Woo Lee
Hong-Woo 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: 12060111Abstract: The present invention relates to a side sill of a vehicle, the side sill being structurally more robust while having reduced costs and weight. The side sill of a vehicle according to an embodiment comprises: a side sill internal panel; a side sill external panel which is spaced apart from the side sill internal panel; a side sill external reinforcement coupled to the side sill external panel; a partition member arranged between the side sill internal panel and the side sill external reinforcement; a first reinforcing member arranged between the partition member and the side sill internal panel; and a second reinforcing member arranged between the partition member and the side sill external reinforcement.Type: GrantFiled: June 2, 2020Date of Patent: August 13, 2024Assignee: POSCOInventors: Jaehyun Kim, Hong-Woo Lee, Dong-Yoon Seok
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Patent number: 12036600Abstract: The present invention provides a method for manufacturing a torsion beam, the method comprising: a planarization step, in which a protruding portion of an upper mold presses the opposite end portions in the width direction of the blank to be plastically deformed to be flat while the opposite end portions in the width direction of the blank are supported by a side cam to face each other; a welding and bonding step for bonding the planarized opposite end portions in the width direction of the blank via welding; and a quenching step for heating the welded and bonded blank within a range of 900 to 970° C. for a retaining time within a range of 1 to 20 minutes and for cooling down the blank in a treatment liquid including at least one of water and oil in a range of 20 to 90° C.Type: GrantFiled: November 25, 2019Date of Patent: July 16, 2024Assignees: POSCO CO., LTD, AUSTEM CO., LTD.Inventors: Hong-Woo Lee, Dong-Yoon Seok, Myong-Ho Shin, Nam-Sik Sa
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Publication number: 20240182116Abstract: A vehicle body according to an embodiment of the present invention may comprise: a side sill extending in the lengthwise direction of a vehicle; and a cross member extending in the widthwise direction of the vehicle and coupled at an end thereof to the side sill, wherein: the side sill comprises an inner panel, an outer panel coupled to the inner panel, an outer panel coupled to the inner panel, and a reinforcement member disposed between the inner panel and the outer panel; the inner panel includes an inclined surface formed to have an ascending slope from the inner side to the outer side of the vehicle; the end of the cross member is formed to have a slope corresponding to the inclined surface and is coupled to the outer surface of the inclined surface; and one end of the reinforcement member is coupled to the inner surface of the inclined surface.Type: ApplicationFiled: April 26, 2022Publication date: June 6, 2024Applicant: POSCO CO., LTDInventors: Hong-Woo Lee, Jaehyun Kim, Dong-Yoon Seok
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Patent number: 11897371Abstract: The present invention relates to a seat frame with reduced weight due to not including a cushion side frame, the seat frame comprising: a pair of rails; a cushion frame which supports a cushion and has a closed cross-sectional shape; front links which connect the rails to the cushion frame on the front side; rear links which connect the rails to the cushion frame on the rear side; and connection brackets which connect the rear links to a seatback frame.Type: GrantFiled: May 28, 2020Date of Patent: February 13, 2024Assignee: POSCOInventors: Jae-Hyun Kim, Hong-Woo Lee, Dong-Yoon Seok
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Publication number: 20240001992Abstract: The present invention relates to an electric vehicle body capable of minimizing the intrusion of a collision load into a passenger space and a battery space during a front-end or rear-end collision, and comprises: a front side member having one side coupled to a front bumper beam, and the other side branching off to include a first branch part and a second branch part; a first front cross member coupled to the first branch part and the second branch part; a side seal coupled to the second branch part; a front subframe coupled to the front side member; and a battery case, which includes a reinforcing member extended in the longitudinal direction of the vehicle body and is coupled to the side seal and the first front cross member.Type: ApplicationFiled: November 16, 2021Publication date: January 4, 2024Applicant: POSCO Co., LtdInventors: Hong-Woo Lee, Jaehyun Kim, Dong-Yoon Seok
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Publication number: 20230415820Abstract: The present invention relates to a front side member for a vehicle, which can effectively support a collision load on the front side and can improve the rigidity of a vehicle body, the front side member for a vehicle, comprising: an outer wall; an inner wall positioned to face the outer wall; an outer bead which is formed, along the lengthwise direction of a vehicle body, from the outer wall and has a first groove surface; and an inner bead which is formed, along the lengthwise direction of the vehicle body, from the inner wall and has a second groove surface, wherein the outer bead comprises an area in which a bead depth that is the distance between the outer wall and the first groove surface changes along the lengthwise direction of the vehicle body, and the inner bead comprises an area in which a bead depth that is the distance between the inner wall and the second groove surface changes along the lengthwise direction of the vehicle body.Type: ApplicationFiled: July 6, 2021Publication date: December 28, 2023Applicant: POSCO Co., LtdInventors: Jaehyun Kim, Hong-Woo Lee, Dong-Yoon Seok
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Publication number: 20230420778Abstract: The present invention relates to a battery case that can effectively handle side impacts in, for example, an electric vehicle or the like, and thereby minimize battery deformation. The battery case comprises: a case body for accommodating a battery cell; and a cover coupled to the case body. The case body includes: a bottom plate; a side frame coupled to the bottom plate so as to surround the battery cell and including an inner wall and an outer wall; a mounting frame coupled to the outer wall of the side frame; and at least one reinforcement material which is disposed on the bottom plate and of which both ends in the longitudinal direction are inserted into the side frame. The ends of the reinforcement material can pass through the inner wall and the outer wall of the side frame and come into contact with the mounting frame.Type: ApplicationFiled: October 29, 2021Publication date: December 28, 2023Applicant: POSCO CO., LTDInventors: Dong-Yoon SEOK, Hong-Woo LEE, Jaehyun KIM
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Publication number: 20230335848Abstract: The present invention relates to a battery case capable of minimizing the deformation of a battery by effectively coping with side collisions of an electric vehicle and the like, the battery case comprising: a case body for accommodating a battery cell; and a cover coupled to the case body, wherein the case body comprises: a bottom plate; side frames which are coupled to the bottom plate to surround the battery cell, and which include inner sidewalls and outer sidewalls; a mounting frame coupled to the outer sidewalls of the side frames; and at least one reinforcing material, which is arranged on the bottom plate and has longitudinal both-end portions inserted into the side frames, wherein the end portions of the reinforcing material may come in contact with the mounting frame by penetrating the inner sidewalls and the outer sidewalls of the side frames.Type: ApplicationFiled: October 8, 2021Publication date: October 19, 2023Applicant: POSCO Co., LtdInventors: Dong-Yoon Seok, Hong-Woo Lee, Jae-Hyun Kim
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Publication number: 20220289300Abstract: The present invention relates to a side sill of a vehicle, the side sill being structurally more robust while having reduced costs and weight. The side sill of a vehicle according to an embodiment comprises: a side sill internal panel; a side sill external panel which is spaced apart from the side sill internal panel; a side sill external reinforcement coupled to the side sill external panel; a partition member arranged between the side sill internal panel and the side sill external reinforcement; a first reinforcing member arranged between the partition member and the side sill internal panel; and a second reinforcing member arranged between the partition member and the side sill external reinforcement.Type: ApplicationFiled: June 2, 2020Publication date: September 15, 2022Applicant: POSCOInventors: Jaehyun Kim, Hong-Woo Lee, Dong-Yoon Seok
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Publication number: 20220274510Abstract: The present invention relates to a seat frame with reduced weight due to not including a cushion side frame, the seat frame comprising: a pair of rails; a cushion frame which supports a cushion and has a closed cross-sectional shape; front links which connect the rails to the cushion frame on the front side; rear links which connect the rails to the cushion frame on the rear side; and connection brackets which connect the rear links to a seatback frame.Type: ApplicationFiled: May 28, 2020Publication date: September 1, 2022Applicant: POSCOInventors: Jae-Hyun Kim, Hong-Woo Lee, Dong-Yoon Seok
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Publication number: 20220016684Abstract: The present invention provides a method for manufacturing a torsion beam, the method comprising: a planarization step, in which a protruding portion of an upper mold presses the opposite end portions in the width direction of the blank to be plastically deformed to be flat while the opposite end portions in the width direction of the blank are supported by a side cam to face each other; a welding and bonding step for bonding the planarized opposite end portions in the width direction of the blank via welding; and a quenching step for heating the welded and bonded blank within a range of 900 to 970° C. for a retaining time within a range of 1 to 20 minutes and for cooling down the blank in a treatment liquid including at least one of water and oil in a range of 20 to 90° C.Type: ApplicationFiled: November 25, 2019Publication date: January 20, 2022Inventors: Hong-Woo LEE, Dong-Yoon SEOK, Myong-Ho SHIN, Nam-Sik SA
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Patent number: 11214891Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.Type: GrantFiled: August 28, 2019Date of Patent: January 4, 2022Assignee: SK SILTRON CO., LTDInventors: Do-Won Song, Hong-Woo Lee, Sang-Hee Kim, Ho-Jun Lee, Jung-Ryul Kim
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Patent number: 10777159Abstract: Each stage of a gate driver includes a controlling part which increases an electric potential of a boosting line in response to a carry signal of a previous stage and decreases the electric potential of the boosting line in response to the carry signal of a next stage, a first output part which turns on in response to the increased electric potential of the boosting line and receiving a clock signal to output a gate signal of a present stage, and a second output part which turns on in response to the increased electric potential of the boosting line and receiving the clock signal to output the carry signal of the present stage. The boosting line of the present stage is disposed adjacent to a gate line which is connected to one of next stages following the present stage.Type: GrantFiled: November 7, 2017Date of Patent: September 15, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Noboru Takeuchi, Masami Igawa, Min soo Kang, Beomjun Kim, YoonHo Kim, Seongyeol Syn, Hong-Woo Lee
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Publication number: 20190382915Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.Type: ApplicationFiled: August 28, 2019Publication date: December 19, 2019Inventors: Do-Won SONG, Hong-Woo LEE, Sang-Hee KIM, Ho-Jun LEE, Jung-Ryul KIM
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Patent number: 10504473Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.Type: GrantFiled: November 16, 2017Date of Patent: December 10, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Man Kim, Hong-Woo Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Jong-Hyuk Lee
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Publication number: 20190366302Abstract: A catalyst, a method for preparing thereof, and methods for synthesizing of hydrogen peroxide are disclosed. The catalyst contains an alloy of two elements. Herein, the elements are Au(Aurum) and Pt(Platinum). The method for preparing the catalyst containing the Au—Pt alloy, includes steps of: (a) obtaining a first solution by dissolving dispersing agent and reducing agent into a first solvent; and (b) synthesizing the Au—Pt alloy by adding Au precursor and Pt precursor into the first solution. Herein, the step (b) includes steps of: (b-1) obtaining a second solution by dissolving the Au precursor and the Pt precursor into a second solvent; and (b-2) synthesizing the Au—Pt alloy by adding the second solution into the first solution.Type: ApplicationFiled: December 12, 2018Publication date: December 5, 2019Inventors: Seung Yong Lee, Sang Soo Han, Hyo Bin Nam, Hong Woo Lee, So Hye Cho, Ho Seong Jang
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Patent number: 10435809Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.Type: GrantFiled: June 7, 2016Date of Patent: October 8, 2019Assignee: SK Siltron Co., Ltd.Inventors: Do-Won Song, Hong-Woo Lee, Sang-Hee Kim, Ho-Jun Lee, Jung-Ryul Kim
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Patent number: 10269321Abstract: A display device includes a display panel having a plurality of pixels respectively connected to a plurality of gate lines and a plurality of data lines, a gate driving circuit that outputs a plurality of gate signals to the plurality of gate lines, and a data driving circuit configured that outputs a plurality of data signals for driving the plurality of data lines. Each of the plurality of pixels includes a first sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to a first gate signal among the plurality of gate signals, and a second sub-pixel configured to receive a corresponding data signal among the plurality of data signals in response to the first gate signal, and reduce a voltage of the received data signal in response to a second gate signal among the plurality of gate signals.Type: GrantFiled: March 28, 2017Date of Patent: April 23, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jihee Yoon, Kang-woo Kim, Beomjun Kim, Jonghwan Lee, Hong-woo Lee
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Publication number: 20180237939Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.Type: ApplicationFiled: June 7, 2016Publication date: August 23, 2018Inventors: Do-Won SONG, Hong-Woo LEE, Sang-Hee KIM, Ho-Jun LEE, Jung-Ryul KIM
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Patent number: 9934746Abstract: A gate driving circuit is provided. A gate driving circuit comprises a pull-up control unit including a control transistor, a pull-up unit, a carry unit which outputs a clock signal into a kth carry signal and a pull-down unit which pulls down a control node to an off voltage, wherein the control transistor includes one electrode and the other electrode connected to the control node, the one electrode and the other electrode being disposed on a gate electrode such that the one electrode and the other electrode being insulated from the gate electrode, wherein the gate electrode and the other electrode are disposed not to be overlapped with each other, and a distance between an upper surface of the gate electrode and a lower surface of the one electrode is longer than that of the upper surface of the gate electrode and a lower surface of the other electrode.Type: GrantFiled: February 1, 2016Date of Patent: April 3, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Noboru Takeuchi, Min Soo Kang, Beom Jun Kim, Yoon Ho Kim, Seong Yeol Syn, Hong Woo Lee