Patents by Inventor Cheol-ha Lee
Cheol-ha 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: 12146092Abstract: An etching composition includes phosphoric acid, a silane compound comprising at least one silicon (Si) atom, and an organic phosphate represented by Formula 1 below: wherein R1 to R3 are independently hydrogen, or a substituted or unsubstituted hydrocarbyl group, and at least one of R1 to R3 is a substituted or unsubstituted hydrocarbyl group.Type: GrantFiled: August 14, 2020Date of Patent: November 19, 2024Assignees: SK Innovation Co., Ltd., SK INC.Inventors: Cheol Woo Kim, Kwang Kuk Lee, Jae Hoon Kwak, Young Bom Kim, Jung Ha Shin, Jong Ho Lee, Jin Kyung Jo
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Publication number: 20240375141Abstract: Disclosed herein is a substrate processing apparatus including a process chamber having a processing space defined therein to process a plurality of substrates, a gas injector provided on a upper side of the process chamber to inject a processing gas into the processing space, a plurality of substrate supports arranged inside the process chamber, the substrates being seated on the substrate supports, a substrate conveyor disposed in the process chamber to convey the plurality of substrates to different substrate supports among the substrate supports, and a substrate rotating part arranged to allow each of the plurality of substrates to be seated between neighboring ones of the plurality of substrate supports, and to rotate the substrates, wherein the substrate rotating part may include a tension adjuster disposed on at least a portion of the power transmitter to adjust a tension in the power transmitter.Type: ApplicationFiled: October 12, 2023Publication date: November 14, 2024Applicant: WONIK IPS CO., LTD.Inventors: Da Been KIM, Jun Hyeong LEE, Tae Ho HAM, Cheol Woo LEE, Kwang Ha CHOI
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Patent number: 9805818Abstract: A fuse memory comprising a discharge circuit is provided. The fuse memory includes a fuse cell array comprising fuse cells connected to read word lines, programs word lines, and bit lines arranged in rows and columns; and at least one discharge circuit arranged in each of the rows. The discharge circuit discharges a voltage level of a program word line of the fuse cells selected in a read mode to a ground voltage.Type: GrantFiled: November 17, 2016Date of Patent: October 31, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Tae-seong Kim, Cheol-ha Lee
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Publication number: 20170221574Abstract: A fuse memory comprising a discharge circuit is provided. The fuse memory includes a fuse cell array comprising fuse cells connected to read word lines, programs word lines, and bit lines arranged in rows and columns; and at least one discharge circuit arranged in each of the rows. The discharge circuit discharges a voltage level of a program word line of the fuse cells selected in a read mode to a ground voltage.Type: ApplicationFiled: November 17, 2016Publication date: August 3, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Tae-seong KIM, Cheol-ha Lee
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Patent number: 9415778Abstract: An apparatus and a method for determining careless driving are provided and determine more reliable careless driving by generating normal driving patterns using driving performance data for a reference time at the beginning of driving. In addition, careless driving patterns greater than a predetermined number are detected using the normal driving pattern and a boundary between the normal driving and the careless driving is determined using a supervised learning method. The careless driving of the driver is then determined based on the determined boundary.Type: GrantFiled: December 6, 2013Date of Patent: August 16, 2016Assignee: Hyundai Motor CompanyInventors: Seong Su Im, Jin Hak Kim, Byung Yong You, Seok Youl Yang, Cheol Ha Lee
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Patent number: 9168926Abstract: A driving concentration level calculating apparatus is provided and includes a controller configured to acquire an acceleration of a traveling vehicle and measure a relative velocity to a preceding vehicle. In addition, noise is removed from the acquired acceleration of the traveling vehicle and from the measured relative velocity to the preceding vehicle. A plurality of correlation values are calculated based on the acceleration of the traveling vehicle and the relative velocity to the preceding vehicle from which noise has been removed. In addition, the controller is configured to detect a time at which a maximum correlation value is calculated as a driving concentration level from among the calculated correlation values.Type: GrantFiled: December 11, 2013Date of Patent: October 27, 2015Assignee: Hyundai Motor CompanyInventors: Cheol Ha Lee, Seong Su Im, Byung Yong You, Seok Youl Yang
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Publication number: 20150081605Abstract: An apparatus and a method for determining careless driving are provided and determine more reliable careless driving by generating normal driving patterns using driving performance data for a reference time at the beginning of driving. In addition, careless driving patterns greater than a predetermined number are detected using the normal driving pattern and a boundary between the normal driving and the careless driving is determined using a supervised learning method. The careless driving of the driver is then determined based on the determined boundary.Type: ApplicationFiled: December 6, 2013Publication date: March 19, 2015Applicant: HYUNDAI MOTOR COMPANYInventors: Seong Su Im, Jin Hak Kim, Byung Yong You, Seok Youl Yang, Cheol Ha Lee
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Publication number: 20150066347Abstract: A driving concentration level calculating apparatus is provided and includes a controller configured to acquire an acceleration of a traveling vehicle and measure a relative velocity to a preceding vehicle. In addition, noise is removed from the acquired acceleration of the traveling vehicle and from the measured relative velocity to the preceding vehicle. A plurality of correlation values are calculated based on the acceleration of the traveling vehicle and the relative velocity to the preceding vehicle from which noise has been removed. In addition, the controller is configured to detect a time at which a maximum correlation value is calculated as a driving concentration level from among the calculated correlation values.Type: ApplicationFiled: December 11, 2013Publication date: March 5, 2015Applicant: HYUNDAI MOTOR COMPANYInventors: Cheol Ha Lee, Seong Su Im, Byung Yong You, Seok Youl Yang
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Patent number: 8797817Abstract: At least one example embodiment discloses a semiconductor device. The semiconductor device includes a first sense amplifier selectively connected between a first bit line and a second bit line, a second sense amplifier selectively connected between the first bit line and the second bit line, a first power supply circuit configured to provide a power supply voltage to the first sense amplifier in response to a first control signal, a second power supply circuit configured to provide a ground voltage to the second sense amplifier in response to a second control signal, and a switching circuit configured to selectively connect the first power supply circuit with the second power supply circuit in response to a third control signal.Type: GrantFiled: September 21, 2011Date of Patent: August 5, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jong Doo Joo, Cheol Ha Lee, Jung-Han Kim
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Patent number: 8368631Abstract: A driving integrated circuit and methods thereof are provided. The driving IC includes a memory for driving a display panel and having a memory structure including at least one cell block, a scan register receiving data read from the memory, a source driver receiving data output from the scan register and outputting the received latched data to the panel and a switching unit establishing a connection between an activated cell block and the scan register in response to an activation of the activated cell block. One method includes performing a read operation to read data from a memory, the read operation including sensing and amplifying data stored within a memory cell, turning on a switch to increase a bit line voltage above a voltage threshold and latching the amplified data received through a line connected to the switch and transmitting the read data to the panel of the display device.Type: GrantFiled: February 23, 2007Date of Patent: February 5, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Cheol-Ha Lee, Young-Ju Choi
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Patent number: 8315120Abstract: A semiconductor memory device can include a first driver configured to generate a pair of first sense amplifier driving signals having an activation period at a predetermined level during command execution; and a second driver that can be configured to generate a pair of second sense amplifier driving signals for increasing a driving strength of a pair of sense amplifiers when logic values of a pair of bit lines are constant during the command execution and decreasing the driving strength of the pair of sense amplifiers when the logic values of the pair of bit lines change.Type: GrantFiled: December 22, 2010Date of Patent: November 20, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Cheol Ha Lee, Jong Doo Joo, Jung-Han Kim
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Patent number: 8218375Abstract: An oscillation circuit includes an internal voltage generator and an oscillator. The internal voltage generator receives an external voltage and generates an internal voltage based on the external voltage. The internal voltage varies in linearly with an operational temperature. The oscillator generates a variable oscillation signal based on the internal voltage. A period of the variable oscillation signal varies in linearly with the operational temperature.Type: GrantFiled: January 19, 2010Date of Patent: July 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Doo Joo, Cheol-Ha Lee, Sang-Seok Lee
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Publication number: 20120081986Abstract: At least one example embodiment discloses a semiconductor device. The semiconductor device includes a first sense amplifier selectively connected between a first bit line and a second bit line, a second sense amplifier selectively connected between the first bit line and the second bit line, a first power supply circuit configured to provide a power supply voltage to the first sense amplifier in response to a first control signal, a second power supply circuit configured to provide a ground voltage to the second sense amplifier in response to a second control signal, and a switching circuit configured to selectively connect the first power supply circuit with the second power supply circuit in response to a third control signal.Type: ApplicationFiled: September 21, 2011Publication date: April 5, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Doo Joo, Cheol Ha Lee, Jung-Han Kim
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Publication number: 20110188333Abstract: A semiconductor memory device can include a first driver configured to generate a pair of first sense amplifier driving signals having an activation period at a predetermined level during command execution; and a second driver that can be configured to generate a pair of second sense amplifier driving signals for increasing a driving strength of a pair of sense amplifiers when logic values of a pair of bit lines are constant during the command execution and decreasing the driving strength of the pair of sense amplifiers when the logic values of the pair of bit lines change.Type: ApplicationFiled: December 22, 2010Publication date: August 4, 2011Inventors: Cheol Ha Lee, Jong Doo Joo, Jung-Han Kim
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Patent number: 7839698Abstract: A semiconductor memory device includes a memory core and an input/output circuit. The memory core amplifies a signal of a memory cell to output the amplified signal through an input/output line pair in a read mode, receives a signal of the input/output line pair to store in the memory cell in a write mode, and electrically separates a bit line pair from the input/output line pair in response to a read column selection signal, a write column selection signal and a first data masking signal. The input/output circuit buffers and provided a signal of the input/output line pair to input/output pins, receives input data from the input/output pins, and buffers the received input data to provide the buffered input data to the input/output line pair. Thus, the semiconductor device can perform a fast data writing operation.Type: GrantFiled: February 20, 2008Date of Patent: November 23, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Doo Joo, Cheol-Ha Lee, Jung-Han Kim
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Publication number: 20100182852Abstract: An oscillation circuit includes an internal voltage generator and an oscillator. The internal voltage generator receives an external voltage and generates an internal voltage based on the external voltage. The internal voltage varies in linearly with an operational temperature. The oscillator generates a variable oscillation signal based on the internal voltage. A period of the variable oscillation signal varies in linearly with the operational temperature.Type: ApplicationFiled: January 19, 2010Publication date: July 22, 2010Inventors: Jong-Doo Joo, Cheol-Ha Lee, Sang-Seok Lee
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Patent number: 7518943Abstract: An embedded memory and methods thereof are provided. The example embedded memory may include a first memory block configured to output data, selected by a first column select signal, on a first scan output line if the first memory block is determined to be non-defective and a second memory block configured to output data, selected by a second column select signal on a second scan output line if the first memory block is determined to be non-defective, the second memory block further configured to output data, selected by the first column select signal, on the first scan output line if the first memory block is determined to be defective.Type: GrantFiled: December 26, 2006Date of Patent: April 14, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-Doo Joo, Cheol-Ha Lee
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Publication number: 20080291756Abstract: A semiconductor memory device includes a memory core and an input/output circuit. The memory core amplifies a signal of a memory cell to output the amplified signal through an input/output line pair in a read mode, receives a signal of the input/output line pair to store in the memory cell in a write mode, and electrically separates a bit line pair from the input/output line pair in response to a read column selection signal, a write column selection signal and a first data masking signal. The input/output circuit buffers and provided a signal of the input/output line pair to input/output pins, receives input data from the input/output pins, and buffers the received input data to provide the buffered input data to the input/output line pair. Thus, the semiconductor device can perform a fast data writing operation.Type: ApplicationFiled: February 20, 2008Publication date: November 27, 2008Applicant: Samsung Electronics Co. Ltd.Inventors: Jong-Doo Joo, Cheol-Ha Lee, Jung-Han Kim
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Publication number: 20070257898Abstract: A driving integrated circuit (IC) and methods thereof are provided. The example driving IC may include a memory storing data for driving a panel of a display device and having a memory structure including at least one cell block, a scan register receiving data read from the memory and latching the received read data, a source driver receiving data output from the scan register and outputting the received latched data to the panel and a switching unit selectively establishing a connection between an activated cell block and the scan register in response to an activation of the activated cell block, the activated cell block included among the at least one cell block of the memory.Type: ApplicationFiled: February 23, 2007Publication date: November 8, 2007Inventors: Cheol-Ha Lee, Young-Ju Choi
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Publication number: 20070201289Abstract: An embedded memory and methods thereof are provided. The example embedded memory may include a first memory block configured to output data, selected by a first column select signal, on a first scan output line if the first memory block is determined to be non-defective and a second memory block configured to output data, selected by a second column select signal on a second scan output line if the first memory block is determined to be non-defective, the second memory block further configured to output data, selected by the first column select signal, on the first scan output line if the first memory block is determined to be defective.Type: ApplicationFiled: December 26, 2006Publication date: August 30, 2007Inventors: Jong-Doo Joo, Cheol-Ha Lee