Patents by Inventor Yun-Ho Choi
Yun-Ho Choi 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: 11977447Abstract: A storage device with improved security performance is provided. The storage device comprises a first non-volatile memory storing a firmware image, a second non-volatile memory storing an emergency image, and a storage controller controlling the first and second non-volatile memories, wherein the storage controller checks an integrity of the firmware image received from the first non-volatile memory, loads and executes the emergency image from the second non-volatile memory when the integrity check of the firmware image fails, receives a recover image from an external device based on the emergency image, and provides the recover image to the first non-volatile memory.Type: GrantFiled: May 11, 2022Date of Patent: May 7, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Myung-Sik Choi, Yun-Ho Youm, Jae Sung Yoo
-
Patent number: 11967529Abstract: Methods of manufacturing a semiconductor chip are provided. The methods may include providing a semiconductor substrate including integrated circuit regions and a cut region. The cut region may be between the integrated circuit regions. The methods may also include forming a modified layer by emitting a laser beam into the semiconductor substrate along the cut region, polishing an inactive surface of the semiconductor substrate to propagate a crack from the modified layer, and separating the integrated circuit regions along the crack. The cut region may include a plurality of multilayer metal patterns on an active surface of the semiconductor substrate, which is opposite to the inactive surface of the semiconductor substrate. The plurality of multilayer metal patterns may form a pyramid structure when viewed in cross section.Type: GrantFiled: November 10, 2020Date of Patent: April 23, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Byung-moon Bae, Yoon-sung Kim, Yun-hee Kim, Hyun-su Sim, Jun-ho Yoon, Jung-ho Choi
-
Publication number: 20240130109Abstract: A semiconductor device includes: a semiconductor device, comprising: a bit line structure including a bit line contact plug, a bit line, and a bit line hard mask that are sequentially stacked over a substrate; a storage node contact plug that is spaced apart from the bit line structure; a conformal spacer that is positioned between the bit line and the storage node contact plug and includes a low-k material; and a seed liner that is positioned between the conformal spacer and the bit line and thinner than the conformal spacer.Type: ApplicationFiled: December 15, 2023Publication date: April 18, 2024Inventors: Beom Ho MUN, Eun Jeong KIM, Jong Kook PARK, Seung Mi LEE, Ji Won CHOI, Kyoung Tak KIM, Yun Hyuck JI
-
Publication number: 20240128915Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.Type: ApplicationFiled: October 17, 2023Publication date: April 18, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Tae Hwan KANG, Hyung Min PARK, Joo Won PARK, Beom Cheol CHO, Yun Ho CHOI, Yeon Ho KIM, Won Hee JO
-
Publication number: 20240106916Abstract: The present invention relates to a device and method for implementing dynamic-service-oriented communication between vehicle applications on an AUTomotive Open System ARchitecture (AUTOSAR) adaptive platform (AP). A machine including an electronic control unit (ECU) to which the portable operating system interface (POSIX) operating system (OS) is ported and implementing dynamic-service-oriented communication between vehicle applications on an AUTOSAR AP includes a skeleton which is an application for providing a service on the platform, a proxy which is an application using the service on the platform, and a service communication management (CM) which is an application for brokering service-oriented communication between vehicle applications on the platform.Type: ApplicationFiled: September 29, 2021Publication date: March 28, 2024Applicant: POPCORNSAR CO., LTD.Inventors: Yun Ki CHOI, Yong Ho LEE, Won Seok CHOI, Kap Hyun KIM
-
Patent number: 11937476Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.Type: GrantFiled: May 4, 2023Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jin Sung An, Sung Ho Kim, Yong Jae Kim, Yun Hwan Park, Yoon Jee Shin, Sug Woo Jung, Hyun Wook Choi
-
Publication number: 20240077979Abstract: A display device includes: a substrate; a display layer on the substrate; and a touch layer on the display layer, and including: a touch area; first sensor electrodes located along a first direction, and electrically connected to each other; second sensor electrodes located along a second direction crossing the first direction, and electrically connected to each other; and third sensor electrodes located along the first direction, and electrically insulated from the first and second sensor electrodes. In a first mode, the touch layer is to sense amounts of change in first capacitances between the first sensor electrodes and the second sensor electrodes, and in a second mode, the touch layer is to sense amounts of change in second capacitances between the first sensor electrodes and some of the second sensor electrodes, and amounts of change in third capacitances between the first sensor electrodes and the third sensor electrodes.Type: ApplicationFiled: April 20, 2023Publication date: March 7, 2024Inventors: Jae Uk CHOI, Yun Ho KIM
-
Publication number: 20240069524Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.Type: ApplicationFiled: December 27, 2022Publication date: February 29, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Yun Ho CHOI, Hyung Min PARK, Joo Won PARK, Yeon Ho KIM, Won Hee JO, Tae Hwan KANG, Beom Cheol CHO
-
Publication number: 20230330120Abstract: The present invention relates to a composition for preventing (alleviating) hair loss or promoting hair regrowth, comprising an ingredient for promoting hair regrowth or retarding hair loss. In this regard, in-vitro experiments were conducted in the present invention to verify the effects of promoting the wnt/beta-catenin signaling pathway activity, proliferating dermal papilla cells, and increasing an expression level of beta-catenin protein. Furthermore, the composition was found to have a high effect of preventing hair loss and/or promoting hair regrowth because a better result was obtained as assayed by researchers' evaluation through clinical photography and by phototrichogram after application thereof. In light of such comprehensive outcomes, the composition of the present invention has an excellent effect of preventing hair loss and/or promoting hair regrowth.Type: ApplicationFiled: August 25, 2020Publication date: October 19, 2023Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Jae-Young SHIN, Jae-Yoon KIM, Yun-Ho CHOI, Sanghwa LEE
-
Publication number: 20230201097Abstract: Provided is a composition for inhibiting hair graying, having an excellent effect of preventing the occurrence of gray hair, and a use thereof. A composition for inhibiting hair graying, of the presently claimed subject matter, activates the Wnt and ?-catenin signaling pathway to promote melanin synthesis in hair, thereby having remarkably excellent hair graying (canities) inhibition, prevention, improvement, alleviation, delaying, or treatment effects.Type: ApplicationFiled: May 28, 2020Publication date: June 29, 2023Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Yun-Ho CHOI, Sanghwa LEE, Jae Young SHIN, Jaeyoon KIM
-
Publication number: 20230205098Abstract: Disclosed is a photo mask stage unit performing alignment on a photo mask, the photo mask stage unit including: an aligning member for aligning the photo mask so that the photo mask is positioned in a proper position; and guide members for supporting edges of the photo mask and guiding the photo mask to the proper position, in which the aligning member pushes the photo mask in a diagonal direction.Type: ApplicationFiled: December 27, 2022Publication date: June 29, 2023Applicant: SEMES CO., LTD.Inventors: Yun Ho Choi, Seung Won Kim
-
Publication number: 20230060969Abstract: Provided is a composition for preventing hair loss and promoting hair growth, containing an ingredient for inducing anagen hair growth or hair growth promotion. The composition for preventing hair loss and promoting hair growth, of the presently claimed subject matter, shortens the period of telogen-to-anagen transition in the hair growth cycle, so as to promote hair growth and delay the transition to the catagen stage, thereby having the excellent effects of preventing hair loss and promoting hair growth.Type: ApplicationFiled: January 23, 2020Publication date: March 2, 2023Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Jae-Yoon KIM, Jae-Young SHIN, Yun-Ho CHOI, Sang-Hwa LEE
-
Patent number: 11587634Abstract: An integrated circuit test apparatus includes: a first test unit configured to output a current for a built-in self test (BIST) progress state for each internal circuit of an integrated circuit in a BIST test mode and to determine whether each internal circuit operates normally in a wake-up mode of the integrated circuit; and a first determination module configured to determine whether each internal circuit is in a stuck state based on a change detected by the first test unit.Type: GrantFiled: November 21, 2019Date of Patent: February 21, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Yeon-Ho Kim, Keon Lee, Ji-Hoon Lim, Min-Ji Park, Jae-Hyuck Woo, Yun-Ho Choi
-
Publication number: 20230023847Abstract: Provided is a method of alleviating or treating hair loss, or promoting hair growth by administering to a subject in need thereof composition comprising an active ingredient for preventing hair loss and inducing new hair growth or hair regrowth promotion by reducing the transition period from a telogen stage to an anagen stage in the hair growth cycle, and thereby exhibiting excellent effects of preventing hair loss and promoting hair regrowth by delaying conversion to a catagen stage.Type: ApplicationFiled: February 5, 2020Publication date: January 26, 2023Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Yun-Ho CHOI, Jaeyoon KIM, Jae Young SHIN, Sanghwa LEE
-
Publication number: 20200168287Abstract: An integrated circuit test apparatus includes: a first test unit configured to output a current for a built-in self test (BIST) progress state for each internal circuit of an integrated circuit in a BIST test mode and to determine whether each internal circuit operates normally in a wake-up mode of the integrated circuit; and a first determination module configured to determine whether each internal circuit is in a stuck state based on a change detected by the first test unit.Type: ApplicationFiled: November 21, 2019Publication date: May 28, 2020Applicant: HYUNDAI AUTRON CO., LTD.Inventors: Yeon-Ho KIM, Keon LEE, Ji-Hoon LIM, Min-Ji PARK, Jae-Hyuck WOO, Yun-Ho CHOI
-
Publication number: 20180328420Abstract: The present disclosure provides an operation control apparatus of a direct control solenoid valve. The apparatus includes a direct control solenoid valve configured to control an operation of a clutch via a control pressure and to supply the control pressure to a clutch by magnetic force generated by a current control; and a hydraulic pressure supply valve configured to supply a hydraulic pressure to the direct control solenoid valve, wherein the hydraulic pressure supply valve is operatively associated with a clutch control.Type: ApplicationFiled: December 4, 2017Publication date: November 15, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Wan CHOI, Jungwoo Seo, Yun Ho Choi, Yoh Han Kim
-
Patent number: 9557808Abstract: A display apparatus and a method for recognizing a motion thereof are provided. The method includes setting an active area in which the externally input motion is recognizable, wherein the active area corresponds to a portion on a screen of the display apparatus, changing the display apparatus from an overall area motion recognition mode to a partial area motion recognition mode configured to only recognize the externally input motion in the active area, recognizing the externally input motion in the active area, and disabling the partial area motion recognition mode in response to the recognized externally input motion being a disabling motion configured to disable the partial area motion recognition mode.Type: GrantFiled: May 5, 2014Date of Patent: January 31, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang-ho Shon, Jae-hyun Bae, Yun-ho Choi
-
Patent number: 9507931Abstract: A security device and controlling method thereof are provided. The security device includes: a storage configured to store a plurality of passwords, wherein a complexity of the passwords increases according to a security level; an inputter configured to receive a password input by a user; a detector configured to detect a security level of the received password by comparing the received password and the plurality of passwords stored in the storage; and a controller configured to provide an authority to access an element of an electronic device connected with the security device according to the detected security level.Type: GrantFiled: September 24, 2014Date of Patent: November 29, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byong-ki Lee, Yun-ho Choi
-
Publication number: 20160088255Abstract: A signal receiving apparatus includes a receiver configured to receive a first format data and a second format data, to convert the second format data to the first format, and to transmit the first format data and the converted second format data, and a decoder configured to receive the first format data and the converted second format data transmitted from the receiver and to restore one of an image data and an acoustic data from the first format data and the converted second format data.Type: ApplicationFiled: August 14, 2015Publication date: March 24, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chan Sub PARK, Choon Sik JUNG, Yun Ho CHOI, Suk In MIN
-
Patent number: 9217216Abstract: A washing machine that circulates wash water and, at the same time, generates bubbles in the wash water. The washing machine includes a machine body, a tub disposed in the machine body. a tub cover provided above the tub, a pump mounted below the tub, and a circulation unit, having one end coupled to the pump and the other end coupled to the tub cover, to circulate wash water from the pump to the tub. The circulation unit includes a first channel, a second channel communicating with the first channel, the second channel having a smaller sectional area than the first channel, and an air inlet port provided in the second channel to allow air to be introduced into the circulation unit therethrough.Type: GrantFiled: October 18, 2011Date of Patent: December 22, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yun Ho Choi, Jae Han Lim, Seung Hwan Chung, Young Mi Kim