Patents by Inventor Hyun Sik Hwang
Hyun Sik Hwang 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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Publication number: 20240155793Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.Type: ApplicationFiled: January 19, 2024Publication date: May 9, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Hyun Yong CHOI, Young Chul KIM, Ji Su KIM, Hun Sung KIM, Sung Yong PARK, Jin Soo SHIN, Dae Sik YOON, Yong Yeon HWANG
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Publication number: 20240135863Abstract: A display device includes a display unit including pixels connected to data lines and scan lines, first and second temperature sensors for sensing first and second temperatures of the display unit, a data driver configured to generate a data signal configured to be supplied to the data lines using output data, and attached to a first printed circuit board configured to be fixed to a rear surface of the display unit, a timing controller configured to generate the output data using input data, and attached to a second printed circuit board configured to be fixed to the rear surface of the display unit, and a storage having a temperature weight table including a weight corresponding to the first and second temperatures and a plurality of temperature tables including temperature information of the display unit corresponding to an attachment position of the second printed circuit board.Type: ApplicationFiled: July 13, 2023Publication date: April 25, 2024Inventors: Won Jin SEO, Tae Wan KIM, Hwa An SUNG, Hyun Sik YOON, Jeong Ah LEE, Dae Ho HWANG
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Publication number: 20240083384Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.Type: ApplicationFiled: February 3, 2023Publication date: March 14, 2024Applicants: Hyundai Motor Company, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Sang Soo LEE, Chan Ho JUNG, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Deok Soo LIM, Sang Do PARK, In Sun BAEK, Sin Chan YANG, Chan Ki CHO, Myung Soo LEE, Jae Yong JANG, Jun Sik HWANG, Ho Sung KANG, Hae Dong KWAK, Hyun Tak KO
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Patent number: 11924988Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.Type: GrantFiled: December 23, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Yong Choi, Young Chul Kim, Ji Su Kim, Hun Sung Kim, Sung Yong Park, Jin Soo Shin, Dae Sik Yoon, Yong Yeon Hwang
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Publication number: 20240071732Abstract: A dry etching apparatus includes a process chamber; a support provided in the process chamber and configured to support a substrate; a gas supply configured to supply a process gas including a hydrogen gas (H2) and a fluorocarbon gas (CxFy) into the process chamber; a plasma source configured to generate plasma using the process gas in the process chamber, wherein the support includes: an electrostatic chuck on which the substrate is disposed; an edge ring provided along a circumference of the electrostatic chuck and supporting an edge region of the substrate; an adhesive gel pad provided between the electrostatic chuck and the edge ring; and a coating layer formed only on a surface of the edge ring, which is exposed to the plasma.Type: ApplicationFiled: August 22, 2023Publication date: February 29, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun-Sik HWANG, Jinyoung BANG, Sungil CHO, Junghwan UM
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Patent number: 11222608Abstract: A display device includes a display panel including a first pixel and a second pixel, a reference gamma generator configured to generate a first reference gamma voltage and a second reference gamma voltage based on a driving mode, a stain compensator configured to output a stain compensating data that compensates a stain of an image data based on the driving mode, and a data driver configured to generate a first data voltage provided to the first pixel based on the first reference gamma voltage and the stain compensating data and a second data voltage provided to the second pixel based on the second reference gamma voltage and the stain compensating data.Type: GrantFiled: September 24, 2019Date of Patent: January 11, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyun Sik Hwang, Bongim Park, Ikhyun Ahn, Shin Dasol, Sang-Won Lee, Jikhan Jung
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Patent number: 11145264Abstract: A method of driving a display panel includes determining a present polarity of a pixel data signal of a present frame, generating a first compensated grayscale of the pixel data signal of the present frame using a pixel data signal of a previous frame, the pixel data signal of the present frame, and the present polarity, and displaying an image using the first compensated grayscale. The first compensated grayscale varies according to the present polarity.Type: GrantFiled: December 23, 2019Date of Patent: October 12, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Sik Hwang, Daecheol Kim, Yoongu Kim, Bongim Park, Ik Hyun Ahn, Woojoo Lee, Tae-Jong Jun
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Publication number: 20200332751Abstract: Disclosed herein is a pulsation damper using a single-sided corrugated disk spring. In the pulsation damper using a single-sided corrugated disk spring, a section-expanded fuel rail inlet expanded to be equal to a section of a high-pressure fuel pipe is formed in an inlet-expanded fuel rail and a single-sided corrugated spring pulsation damper is attached to the inlet-expanded fuel rail, so that high-pressure fuel pump pulsating waves generated in the inlet-expanded fuel rail by a high-pressure fuel pump and injector pulsating waves generated in a fuel injector are mixed with each other and mixed pulsating waves generated in the inlet-expanded fuel rail are reduced.Type: ApplicationFiled: April 4, 2020Publication date: October 22, 2020Inventor: Hyun Sik HWANG
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Patent number: 10777144Abstract: In a method of operating a display panel, a plurality of data lines are divided into a first data line group through an N-th data line group, where N is a natural number equal to or greater than two. Each of the first through N-th data line groups includes at least two data lines. The first through N-th data line groups are sequentially driven by applying first data voltages through N-th data voltages to the first through N-th data line groups, respectively at different times. A first number of data lines in the first data line group is variable.Type: GrantFiled: March 24, 2016Date of Patent: September 15, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung-Deok Seo, Yoon-gu Kim, Bong-Im Park, Byung-Kook Sim, Hyun-sik Hwang
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Patent number: 10650760Abstract: A display device includes a display panel including unit areas. Each of the unit areas includes pixels arranged in a matrix formation; and data lines (DLs) connected to the pixels. The display device is configured to: apply data voltages of a same polarity to first DLs positioned between adjacent pixel columns; and apply DVs of different polarities to second DLs positioned at respective sides of each pixel column. Each of the pixels is connected to one of the second DLs. A connection direction between the pixels and the DLs in each of a plurality of pixel rows is changed in a determined pixel column interval. Connection directions between the pixels and the DLs are opposite each other in odd-numbered pixel rows adjacent in a column direction. Connection directions between the pixels and the DLs are opposite each other in even-numbered pixel rows adjacent in the column direction.Type: GrantFiled: August 4, 2017Date of Patent: May 12, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyun Sik Hwang, Bong Im Park, Ik Hyun Ahn, Hyeng-Woo Cho
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Publication number: 20200143761Abstract: A method of driving a display panel includes determining a present polarity of a pixel data signal of a present frame, generating a first compensated grayscale of the pixel data signal of the present frame using a pixel data signal of a previous frame, the pixel data signal of the present frame, and the present polarity, and displaying an image using the first compensated grayscale. The first compensated grayscale varies according to the present polarity.Type: ApplicationFiled: December 23, 2019Publication date: May 7, 2020Inventors: HYUN SIK HWANG, DAECHEOL KIM, YOONGU KIM, BONGIM PARK, IK HYUN AHN, WOOJOO LEE, TAE-JONG JUN
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Publication number: 20200126500Abstract: A display device includes a display panel including a first pixel and a second pixel, a reference gamma generator configured to generate a first reference gamma voltage and a second reference gamma voltage based on a driving mode, a stain compensator configured to output a stain compensating data that compensates a stain of an image data based on the driving mode, and a data driver configured to generate a first data voltage provided to the first pixel based on the first reference gamma voltage and the stain compensating data and a second data voltage provided to the second pixel based on the second reference gamma voltage and the stain compensating data.Type: ApplicationFiled: September 24, 2019Publication date: April 23, 2020Inventors: Hyun Sik HWANG, Bongim PARK, Ikhyun AHN, Shin DASOL, Sang-Won LEE, Jikhan JUNG
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Patent number: 10515598Abstract: A method of driving a display panel includes determining a present polarity of a pixel data signal of a present frame, generating a first compensated grayscale of the pixel data signal of the present frame using a pixel data signal of a previous frame, the pixel data signal of the present frame, and the present polarity, and displaying an image using the first compensated grayscale. The first compensated grayscale varies according to the present polarity.Type: GrantFiled: January 11, 2017Date of Patent: December 24, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Sik Hwang, Daecheol Kim, Yoongu Kim, Bongim Park, Ik Hyun Ahn, Woojoo Lee, Tae-Jong Jun
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Patent number: 10364783Abstract: The present invention relates to a pulsation reducer which includes: an entrance-expanded fuel rail (40) configured such that a section-expanded fuel rail entrance (41) expanded to the size of the section of a high-pressure fuel line (31) is foiled thereon; a spring housing (61) configured such that a fuel storage space (611) and a low-pressure movement space (613) and high-pressure movement space (614) connected to the fuel storage space (611) via chimney holes (612a and 612b) are formed therein; connection parts (62a, 62b and 62c) configured to connect the spring housing 61 with the entrance-expanded fuel rail (40); a low-pressure reduction part (631) disposed in the low-pressure movement space (613), and configured to absorb mixed pulse waves in a low-pressure region; and a high-pressure reduction part (64) disposed in the high-pressure movement space (614), and configured to absorb mixed pulse waves in a high-pressure region.Type: GrantFiled: August 23, 2016Date of Patent: July 30, 2019Inventor: Hyun Sik Hwang
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Patent number: 10262608Abstract: A display device includes a display unit including a plurality of pixels, a plurality of gate lines and a plurality of data lines which are connected to the plurality of pixels, a data driver applying data voltages to the plurality of data lines, and a gate driver delaying and outputting first gate signals applied to gate lines among the plurality of gate lines in a first sub-frame included in one frame and advancing and outputting second gate signals which are applied to remaining gate lines among the plurality of gate lines in a second sub-frame.Type: GrantFiled: September 14, 2015Date of Patent: April 16, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ik Hyun Ahn, Woo Joo Lee, Hyun Sik Hwang, Bong Im Park
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Patent number: 10043463Abstract: A display apparatus includes a display panel comprising a plurality of data lines, a plurality of gate lines crossing the plurality of data lines and a plurality of pixels connected to the plurality of data lines and the plurality of gate lines, each of the plurality of pixels comprising a plurality of color sub-pixels, and a data driver configured to output data voltages of a positive polarity and a negative polarity opposite to the positive polarity with respect to the reference voltage to the plurality of data lines, wherein a polarity stuck period of at least one color sub-pixel of the plurality of color sub-pixels is different from a polarity stuck period of other color sub-pixel of the plurality of color sub-pixels, and the polarity stuck period is a pixel distance in which a same polarity moves per a frame.Type: GrantFiled: August 24, 2016Date of Patent: August 7, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Sik Hwang, Yoongu Kim, Bongim Park, Byungkook Sim, Ik Hyun Ahn
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Publication number: 20180216590Abstract: The present invention relates to a pulsation reducer which includes: an entrance-expanded fuel rail (40) configured such that a section-expanded fuel rail entrance (41) expanded to the size of the section of a high-pressure fuel line (31) is foiled thereon; a spring housing (61) configured such that a fuel storage space (611) and a low-pressure movement space (613) and high-pressure movement space (614) connected to the fuel storage space (611) via chimney holes (612a and 612b) are formed therein; connection parts (62a, 62b and 62c) configured to connect the spring housing 61 with the entrance-expanded fuel rail (40); a low-pressure reduction part (631) disposed in the low-pressure movement space (613), and configured to absorb mixed pulse waves in a low-pressure region; and a high-pressure reduction part (64) disposed in the high-pressure movement space (614), and configured to absorb mixed pulse waves in a high-pressure region.Type: ApplicationFiled: August 23, 2016Publication date: August 2, 2018Inventor: Hyun Sik HWANG
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Patent number: 10032423Abstract: The disclosed display device of improved display quality and reduced power consumption includes a display unit including pixels coupled to gate lines and data lines, a gate driving unit for outputting a gate signal to the gate lines, a data driving unit for outputting a data signal to the data lines, a voltage supply unit for supplying to the gate driving unit a gate-on voltage to generate the gate signal a gate-off voltage, and a kickback compensation voltage having a voltage level varied at a section of time of the gate-on voltage, and a display mode control unit for controlling the voltage supply unit to supply the kickback compensation voltage during a first display mode for displaying an image on an entire area of the display unit, and to block supply of the kickback compensation voltage during a second display mode for displaying an image on only a partial area.Type: GrantFiled: February 12, 2016Date of Patent: July 24, 2018Assignee: Samsung Display Co., Ltd.Inventors: Ik Hyun Ahn, Yoon Gu Kim, Bong Im Park, Hyun Sik Hwang
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Publication number: 20180182328Abstract: A display device includes a display panel including unit areas. Each of the unit areas includes pixels arranged in a matrix formation; and data lines (DLs) connected to the pixels. The display device is configured to: apply data voltages of a same polarity to first DLs positioned between adjacent pixel columns; and apply DVs of different polarities to second DLs positioned at respective sides of each pixel column. Each of the pixels is connected to one of the second DLs. A connection direction between the pixels and the DLs in each of a plurality of pixel rows is changed in a determined pixel column interval. Connection directions between the pixels and the DLs are opposite each other in odd-numbered pixel rows adjacent in a column direction. Connection directions between the pixels and the DLs are opposite each other in even-numbered pixel rows adjacent in the column direction.Type: ApplicationFiled: August 4, 2017Publication date: June 28, 2018Inventors: Hyun Sik HWANG, Bong Im PARK, Ik Hyun AHN, Hyeng-Woo CHO
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Patent number: 9978302Abstract: A liquid crystal display includes: a liquid crystal panel comprising a plurality of pixel areas, each having a plurality of pixels; and a signal controller configured to receive an original image signal and to generate a target image signal corresponding to the original image signal by using a kickback voltage at each gray level in the original image signal, wherein the signal controller comprises a dithering unit configured to generate a corrected image signal based on dithering patterns corresponding to the target image signal.Type: GrantFiled: July 16, 2014Date of Patent: May 22, 2018Assignee: Samsung Display Co., Ltd.Inventors: Gi Geun Kim, Hyun Sik Hwang, Won Sik Oh, Nam Gon Choi, Yong Jun Jang