Patents by Inventor Heon-Min Lee

Heon-Min 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).

  • Patent number: 10697836
    Abstract: A system and method for measuring a junction temperature of a power module junction temperature are provided. The method is capable of improving accuracy of temperature measurement by more accurately applying temperature change in a junction temperature rising section, capable of more accurately predicting durability life of a power module, and capable of increasing output power of the power module.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 30, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Je Hwan Lee, Han Geun Jang, Seong Min Lee, Sang Cheol Shin, Heon Young Kwak
  • Patent number: 10669356
    Abstract: The present invention relates to a supported hybrid catalyst and a method for preparing olefin polymer using the same. Using the supported hybrid catalyst, olefin polymer that maintains excellent mechanical strength of olefin polymer polymerized with the existing metallocene catalyst, but exhibits remarkably improved processibility compared to the existing olefin polymer, can be provided.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: June 2, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Jee Kwon, Heon Yong Kwon, Dae Sik Hong, Dae Hwan Kim, Sung Min Lee, Eun Young Shin, Sung Ho Park, Young Suk You, Jin Young Lee
  • Publication number: 20200130459
    Abstract: Disclosed is an air conditioner for a vehicle, which makes it possible for an upper case and a lower case to be assembled in correct position without minute misassembly between the upper case and the lower case, thereby making operation of a sliding door smooth. The air conditioner, which includes an air-conditioning case having a plurality of cases and a door disposed inside the air-conditioning case to be able to slide, further includes: a shape-matching part where the plurality of cases are matched each other in shape; and a guide part crossing the shape-matching part to guide a sliding action of the door, wherein a cross section of the guide part at the shape-matching part is formed to be eccentric.
    Type: Application
    Filed: October 23, 2019
    Publication date: April 30, 2020
    Inventors: Heon HUR, Jae Woo KO, Young Keun KIM, Jong Min LEE, Gyu Ik HAN
  • Publication number: 20200130460
    Abstract: The present invention relates to an air conditioner for a vehicle, which can improve a gear ratio of a power transmission means in order to operate a sliding door with more torque. The air conditioner for a vehicle includes: an air-conditioning case having a heat exchanger; a first door and a second door disposed inside the air-conditioning case to adjust the degree of opening of an air passageway; a first driving part for operating the first door; a power transmission part connected to the first driving part; a second driving part for operating the second door; and a third driving part for connecting the power transmission part with the second driving part.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 30, 2020
    Inventors: Jong Min LEE, Dong Gyun KIM, Si Hyung KIM, Dae Keun PARK, Nam Jun LEE, Ho LEE, Jae Woo KO, Young Keun KIM, Chang Soo BAE, Hwan Kyu CHO, Gyu Ik HAN, Heon HUR
  • Patent number: 10550207
    Abstract: The present disclosure provides a method for preparing a supported hybrid metallocene catalyst which can be used to prepare a polyolefin, a supported hybrid metallocene catalyst prepared by using the method, and a method for preparing a polyolefin using the supported hybrid metallocene catalyst.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: February 4, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Heon Yong Kwon, Eun Young Shin, Hyun Jee Kwon, Ki Soo Lee, Dae Sik Hong, Se Young Kim, Sung Min Lee
  • Publication number: 20190252540
    Abstract: Provided are a semiconductor device and a method for fabricating the same. The semiconductor device includes a lower fin that protrudes from a substrate and extends in a first direction, an oxide film the lower fin, an upper fin that protrudes from the oxide film and that is spaced apart from the lower fin at a position corresponding to the lower fin, and a gate structure the upper fin that extends in a second direction to intersect the upper fin, wherein germanium (Ge) is included in a portion of the oxide film located between the lower fin and the upper fin.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 15, 2019
    Inventors: Sung-Min Kim, Kyung-Seok Oh, Cheol Kim, Heon-Jong Shin, Jong-Ryeol Yoo, Hyun-Jung Lee, Seong-Hoon Jeong
  • Patent number: 10319858
    Abstract: Provided are a semiconductor device and a method for fabricating the same. The semiconductor device includes a lower fin that protrudes from a substrate and extends in a first direction, an oxide film the lower fin, an upper fin that protrudes from the oxide film and that is spaced apart from the lower fin at a position corresponding to the lower fin, and a gate structure the upper fin that extends in a second direction to intersect the upper fin, wherein germanium (Ge) is included in a portion of the oxide film located between the lower fin and the upper fin.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: June 11, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Kim, Kyung-Seok Oh, Cheol Kim, Heon-Jong Shin, Jong-Ryeol Yoo, Hyun-Jung Lee, Seong-Hoon Jeong
  • Patent number: 9209326
    Abstract: A solar cell is provided that increases a rate of sunlight absorbed into a photoelectric conversion layer by forming a transparent conductive layer into a plurality of layers having different oxygen contents and different light absorption coefficients, and a manufacturing method thereof. The solar cell includes a substrate, a transparent conductive layer, and a photoelectric conversion layer. The transparent conductive layer includes a first layer having a first light absorption coefficient, and a second layer formed on the first layer and having a second light absorption coefficient higher than the first light absorption coefficient.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: December 8, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Kwang Sun Ji, Young Joo Eo, Heon Min Lee
  • Patent number: 8003423
    Abstract: A method for manufacturing a poly-crystal silicon photovoltaic device using horizontal metal induced crystallization comprises the steps of forming at least one layer of an amorphous silicon thin film on a substrate, forming at least one groove of which depth is less than or equal to that of the thin film on the amorphous silicon thin film, and horizontally crystallizing the amorphous silicon thin film by forming a metal layer on an upper portion of the groove. Since a crystal shape and a growth direction of the photovoltaic device can be adjusted by the method, a poly-crystal silicon thin film for improving current flow can be formed at a low-temperature.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: August 23, 2011
    Assignee: LG Electronics Inc.
    Inventors: Jung-Heum Yun, Kwy-Ro Lee, Don-Hee Lee, Heon-Min Lee
  • Patent number: 7863515
    Abstract: A thin-film solar cell having a first solar cell layer with a plurality of unit cells including a photoelectric conversion layer that are connected in series; a second solar cell layer with a plurality of unit cells including a photoelectric conversion layer that are connected in series, and that has band gap energy different from the first solar cell layer and a threshold voltage coincident with the first solar cell layer; and an electrode connector, that connects the first solar cell layer with the second solar cell layer in parallel.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: January 4, 2011
    Assignee: LG Electronics Inc.
    Inventors: Seh-Won Ahn, Young-Joo Eo, Kwy-Ro Lee, Don-Hee Lee, Heon-Min Lee
  • Publication number: 20100229912
    Abstract: The present invention relates to a photovoltaic device through a lateral crystallization process and a fabrication method thereof, and in particular to a high efficiency solar cell module and a fabrication method thereof. The present invention comprises a first solar cell having an amorphous silicon layer formed on a first substrate, a second solar cell having a microcrystalline silicon semiconductor layer formed on a second substrate, and a junction layer junctioning the first solar cell and the second solar cell, making it possible to obtain a solar cell with high efficiency, low fabricating costs, high product characteristic, and high reliability.
    Type: Application
    Filed: January 22, 2008
    Publication date: September 16, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Young-Joo Eo, Seh-Woh Ahn, Kwy-Ro Lee, Don-Hee Lee, Heon-Min Lee
  • Publication number: 20100089449
    Abstract: The present invention relates to a high efficiency solar cell and a manufacturing method thereof. The high efficiency solar cell of the present invention comprises a lower solar cell layer comprising a single crystalline silicon-based pn thin film; an upper solar cell layer stacked on the upper portion of the lower solar cell layer and comprising an amorphous silicon-based pin thin film; and a glass substrate formed on the upper portion of the upper solar cell layer to receive sunlight. According to the present invention, it has an effect that a low-cost high efficiency solar cell can be manufactured.
    Type: Application
    Filed: July 3, 2007
    Publication date: April 15, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Seh-Won Ahn, Kun-Ho Ahn, Kwy-Ro Lee, Don-Hee Lee, Heon-Min Lee
  • Publication number: 20100093126
    Abstract: A method for manufacturing a poly-crystal silicon photovoltaic device using horizontal metal induced crystallization comprises the steps of forming at least one layer of an amorphous silicon thin film on a substrate, forming at least one groove of which depth is less than or equal to that of the thin film on the amorphous silicon thin film, and horizontally crystallizing the amorphous silicon thin film by forming a metal layer on an upper portion of the groove. Since a crystal shape and a growth direction of the photovoltaic device can be adjusted by the method, a poly-crystal silicon thin film for improving current flow can be formed at a low-temperature.
    Type: Application
    Filed: January 9, 2008
    Publication date: April 15, 2010
    Inventors: Jung-Heum Yun, Kwy-Ro Lee, Don-Hee Lee, Heon-Min Lee
  • Publication number: 20100059103
    Abstract: A thin-film type solar cell module having a reflective media layer capable of optionally transmitting light through intervals formed on the reflective media layer and a method of fabricating the same are described.
    Type: Application
    Filed: September 8, 2009
    Publication date: March 11, 2010
    Inventors: Kun Ho AHN, Heon Min Lee, Don Hee Lee
  • Publication number: 20100059100
    Abstract: Disclosed are a method for manufacturing a thin-film type solar cell and a thin-film type solar cell obtained thereby that uses a direct printing method and reduces the frequency of a cutting process.
    Type: Application
    Filed: September 1, 2009
    Publication date: March 11, 2010
    Applicant: LG Electronics Inc.
    Inventors: Sun Ho Kim, Jung Hoon Choi, Heon Min Lee, Seung-Yoon Lee, Young Joo Eo, Kang Seok Moon, Seh-Won Ahn
  • Publication number: 20100006135
    Abstract: A photovoltaic device module and a fabrication method thereof are disclosed. There are provided a solar cell module structure effective to prevent the performance of the overall module from being degraded when photoelectric conversion efficiency of a specific portion cell is degraded in a solar cell module in which solar cells are integrated, and a fabrication method thereof. More particularly, there are provided a module structure having two terminal wirings, in which one of them is formed by selecting and connecting at least two unit cells from a plurality of unit cells electrically connected and the other is formed by selecting and connecting at least two unit cells differentiated from the said selected unit cells., and a fabrication method thereof.
    Type: Application
    Filed: January 9, 2008
    Publication date: January 14, 2010
    Inventors: Bum-Sung Kim, Seh-Won Ahn, Young-Joo Eo, Heon-Min Lee
  • Publication number: 20090242018
    Abstract: The present invention relates to a thin-film solar cell and a fabrication method thereof, the solar cell having a structure that a glass substrate, a transparent conductive oxide, a multi-junction solar cell layer and an electrode layer are stacked, wherein a first solar cell layer and a second solar cell layer, which are in a multi-junction, are electrically connected with each other in parallel, and one or more unit cells connected in parallel are grouped to be electrically connected with each other in series. According to the present invention, a thin-film solar cell having a unit cell in a structure that two solar cell layers having different characteristics are connected with each other in parallel, and having a structure that several unit cells are connected with each other in series, can achieve higher output and efficiency than a thin-film solar cell having a structure that several solar cell layers are connected in series.
    Type: Application
    Filed: April 11, 2007
    Publication date: October 1, 2009
    Inventors: Seh-Won Ahn, Young-Joo Eo, Kwy-Ro Lee, Don-Hee Lee, Heon-Min Lee
  • Publication number: 20090217966
    Abstract: The present invention relates to a photovoltaic conversion apparatus including a by-pass diode and a manufacturing method thereof. The photovoltaic conversion apparatus of the present invention comprises at least one unit solar cell module configured of at least one unit solar cell; and a by-pass solar cell module including at least one solar cell electrically connected to the unit solar cell to by-pass current. According to the present invention, a photovoltaic conversion apparatus having high photoelectric conversion efficiency can be manufactured. Also, the photovoltaic conversion apparatus will contribute to earths environmental conservation as the next clean energy source and can be directly applied to private facilities, public facilities, military facilities, etc., to create enormous economic value.
    Type: Application
    Filed: September 3, 2007
    Publication date: September 3, 2009
    Applicant: LG Electronics Inc.
    Inventors: Young-Joo Eo, Hwa-Nyeon Kim, Seh-Won Ahn, Hae-Seok Lee, Heon-Min Lee, Jung-Heum Yun, Kwang-Sun Ji, Bum-Sung Kim
  • Publication number: 20090194161
    Abstract: The present invention provides a solar cell that increases a rate of sunlight absorbed into a photoelectric conversion layer by forming a transparent conductive layer into a plurality of layers having different oxygen contents and different light absorbing coefficients and a manufacturing method thereof. The solar cell of the present invention includes a substrate, a transparent conductive layer, and a photoelectric conversion layer, wherein the transparent conductive layer comprises a first layer having a first light absorbing coefficient; and a second layer that is formed on the first layer and has a second light absorbing coefficient higher than the first light absorbing coefficient.
    Type: Application
    Filed: February 4, 2009
    Publication date: August 6, 2009
    Inventors: Kwang Sun JI, Young Joo EO, Heon Min LEE
  • Publication number: 20090178710
    Abstract: The present invention discloses a thin-film type solar cell including another upper transparent conductive layer between a silicon semiconductor layer and an upper transparent conductive layer, and a manufacturing method thereof. At this time, the silicon based semiconductor layer used may be formed of at least one amorphous silicon based (p/i/n) thin film or may be formed as a tandem type silicon based semiconductor layer formed of the amorphous silicon based (p/i/n) thin film, an intermediate transparent conductive layer, and a microcrystalline silicon based thin film.
    Type: Application
    Filed: January 8, 2009
    Publication date: July 16, 2009
    Applicant: LG ELECTRONICS INC.
    Inventors: Young-Joo Eo, Bum-Sung Kim, Heon-Min Lee, Hae-Seok Lee, Seh-Won Ahn