Patents by Inventor Ha Jun LEE
Ha Jun 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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Publication number: 20240162056Abstract: An apparatus for processing a substrate includes a first bowl and a processing space therein; a first support portion disposed in the processing space and configured to support the substrate in a first support position; a second bowl disposed to move in a first direction in the processing space; a second support portion configured to move upwardly and downwardly with respect to the first support portion to support the substrate between the second support position disposed above the first support position and the third support position, and to move in the first direction; and a cleaning unit including a first cleaning portion disposed below the substrate toward a rear surface of the substrate in the first support position and a second cleaning portion disposed below the substrate and opposing a rear surface of the substrate between the second support position and the third support position.Type: ApplicationFiled: September 13, 2023Publication date: May 16, 2024Inventors: Sun Wook JUNG, Ha Neul YOO, Woo Ram LEE, Young Jun SON
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Publication number: 20240161380Abstract: A pixel ray crossing-based multi-viewpoint MPI geometry generation method, device, and recording medium of the present disclosure, the method may comprise obtaining a multi-viewpoint image by original cameras which shoot a different viewpoint, obtaining a multi-plane image (MPI) based on the multi-viewpoint image, obtaining, based on the MPI, an atlas image in a 2D form, and obtaining a bitstream by encoding the atlas image.Type: ApplicationFiled: November 7, 2023Publication date: May 16, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong Jun BAE, Jung Won KANG, Soo Woong KIM, Ji Hoon DO, Gun BANG, Jin Ho LEE, Ha Hyun LEE
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Publication number: 20240153198Abstract: The present invention relates to a method and apparatus for filling a blank area of MPI view plane based on a pixel ray path. A method for generating multi plane image (MPI) data according to an embodiment of the present disclosure may comprise: calculating a pixel value according to each view for each photographed object, based on a plurality of input images photographed from a plurality of views; generating a view plane at a specific point by recording the calculated pixel value on one MPI layer determined based on the spatial position of the corresponding photographed object among a plurality of MPI layers; and generating MPI data by additionally recording the pixel value for the view.Type: ApplicationFiled: October 10, 2023Publication date: May 9, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong Jun BAE, Jung Won KANG, Soo Woong KIM, Ji Hoon DO, Gun BANG, Jin Ho LEE, Ha Hyun LEE
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Publication number: 20240144578Abstract: Disclosed herein is a method for generating a texture map of a 3D mesh includes encoding a texture map of a 3D mesh, quantizing the encoded texture map, decoding the quantized texture map, performing rendering using the decoded texture map, and updating the texture map of the 3D mesh based on the value of a loss function.Type: ApplicationFiled: February 24, 2023Publication date: May 2, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Soo-Woong KIM, Jung-Won KANG, Ji-Hoon DO, Gun BANG, Seong-Jun BAE, Jin-Ho LEE, Ha-Hyun LEE
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Patent number: 11930179Abstract: An image encoding/decoding method is provided. An image decoding method of the present invention may comprise deriving an intra-prediction mode of a current luma block, deriving an intra-prediction mode of a current chroma block based on the intra-prediction mode of the current luma block, generating a prediction block of the current chroma block based on the intra-prediction mode of the current chroma block, and the deriving of an intra-prediction mode of a current chroma block may comprise determining whether or not CCLM (Cross-Component Linear Mode) can be performed for the current chroma block.Type: GrantFiled: December 27, 2019Date of Patent: March 12, 2024Assignees: Electronics and Telecommunications Research Institute, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNI, CHIPS & MEDIA, INC, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITYInventors: Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Jin Ho Lee, Hui Yong Kim, Yung Lyul Lee, Ji Yeon Jung, Nam Uk Kim, Myung Jun Kim, Yang Woo Kim, Dae Yeon Kim, Jae Gon Kim, Do Hyeon Park
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Publication number: 20240073416Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, Universily-lndustry Cooperation Group of Kyung Hee UniversityInventors: Sung Chang LIM, Ha Hyun LEE, Se Yoon JEONG, Hui Yong KIM, Suk Hee CHO, Jong Ho KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Dong Gyu SIM, Seoung Jun OH, Gwang Hoon PARK, Sea Nae PARK, Chan Woong JEON
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Publication number: 20220316982Abstract: The present invention provides a load generating unit for testing an actuator, the unit including a first permanent magnet and a second permanent magnet spaced apart from each other; a third permanent magnet or a ferromagnetic body arranged in a row with the first permanent magnet and the second permanent magnet between the first permanent magnet and the second permanent magnet; and a first link passing through central axes of the first permanent magnet and the second permanent magnet to be penetrated to a central axis of the third permanent magnet and be connected to the actuator, wherein the third permanent magnet and the link are displaced in a length direction of the first link by a magnetic force. According to the present invention, the complexity, cost, and inertia of a device may be overcome and a load profile may be easily generated.Type: ApplicationFiled: March 29, 2022Publication date: October 6, 2022Inventors: Seung-Chul HAN, Ji-Suk KIM, Ha-Jun LEE, Dae-Gyeom KANG
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Patent number: 11335272Abstract: An organic light-emitting diode (OLED) driving characteristic detection circuit is provided. The OLED driving characteristic detection circuit comprising a first current integrator receiving a first current via a first sensing channel and outputting a first sampling voltage based on the first current, a second current integrator receiving a second current via a second sensing channel and outputting a second sampling voltage based on the second current, and a sampling circuit receiving the first and second sampling voltages, followed by storing and holding the first and second sampling voltages, and removing common noise components included in the first and second sampling voltages, a third sampling capacitor and a fourth sampling capacitor which are connected to an output terminal of the second current integrator and store and hold the second sampling voltage, and a plurality of switches which connect first ends of the first sampling capacitor to the fourth sampling capacitor.Type: GrantFiled: February 18, 2020Date of Patent: May 17, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Ha Jun Lee, Jeong Ah Ahn, Ji-Yong Jeong, Suk-Yun Woo, Young Sub Jin
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Patent number: 11127366Abstract: A source driver including a decoder configured to receive image data and an activation signal, determine a target voltage based on the image data, and select at least one gamma line for generating the target voltage from among a plurality of gamma lines, which are configured to transmit different gamma voltages, respectively, and a buffer circuit including a plurality of input terminals and configured to be connected to the selected at least one gamma line and generate an output voltage based on at least one gamma voltage obtained from the selected at least one gamma line may be provided. The decoder may be further configured to select a gamma line group including the selected at least one gamma line to be connected to the plurality of input terminals of the buffer circuit during a slew period of the buffer circuit in accordance with the activation signal.Type: GrantFiled: March 4, 2020Date of Patent: September 21, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Ha Jun Lee, Jun Ho Song, Jeong Ah Ahn, Eun Jong Jang
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Publication number: 20210043148Abstract: An organic light-emitting diode (OLED) driving characteristic detection circuit is provided. The OLED driving characteristic detection circuit comprising a first current integrator receiving a first current via a first sensing channel and outputting a first sampling voltage based on the first current, a second current integrator receiving a second current via a second sensing channel and outputting a second sampling voltage based on the second current, and a sampling circuit receiving the first and second sampling voltages, followed by storing and holding the first and second sampling voltages, and removing common noise components included in the first and second sampling voltages, a third sampling capacitor and a fourth sampling capacitor which are connected to an output terminal of the second current integrator and store and hold the second sampling voltage, and a plurality of switches which connect first ends of the first sampling capacitor to the fourth sampling capacitor.Type: ApplicationFiled: February 18, 2020Publication date: February 11, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Ha Jun LEE, Jeong Ah Ahn, Ji-Yong Jeong, Suk-Yun Woo, Young Sub Jin
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Publication number: 20210012743Abstract: A source driver including a decoder configured to receive image data and an activation signal, determine a target voltage based on the image data, and select at least one gamma line for generating the target voltage from among a plurality of gamma lines, which are configured to transmit different gamma voltages, respectively, and a buffer circuit including a plurality of input terminals and configured to be connected to the selected at least one gamma line and generate an output voltage based on at least one gamma voltage obtained from the selected at least one gamma line may be provided. The decoder may be further configured to select a gamma line group including the selected at least one gamma line to be connected to the plurality of input terminals of the buffer circuit during a slew period of the buffer circuit in accordance with the activation signal.Type: ApplicationFiled: March 4, 2020Publication date: January 14, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Ha Jun LEE, Jun Ho Song, Jeong Ah Ahn, Eun Jong Jang
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Publication number: 20190281956Abstract: A mask pack includes: a pouch storing a mask sheet and having a hole at a side; a blister including a body formed in a plate shape, having a storing portion protruding upward from the center portion to a location outside of the pouch through the hole of the pouch to store a cosmetic liquid, and having other portion fixed to an inner side of the pouch in the pouch, except for the storing portion, and a cover covering a bottom of the body to seal the storing portion and being torn or removed by external force so that the cosmetic liquid is discharged into the pouch and soaks the mask sheet.Type: ApplicationFiled: July 18, 2018Publication date: September 19, 2019Applicant: THE OOZOO Co., Ltd.Inventor: Ha Jun LEE
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Publication number: 20180206617Abstract: The present disclosure provides a facial mask kit in which an appropriate amount of a skin care agent is uniformly distributed on a facial mask sheet, thereby increasing the convenience of use of the facial mask and reducing the waste of the skin care agent. The present disclosure further provides a facial mask kit capable of increasing the efficacy of each component of the skin care agent by distributing the skin care agent having a plurality of components on the facial mask sheet immediately before use.Type: ApplicationFiled: March 23, 2018Publication date: July 26, 2018Applicant: OOZZO SKIN SCIENCE CO., LTD.Inventor: Ha Jun LEE
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Patent number: 9275595Abstract: A source driving circuit includes an output buffer circuit to compensate for slew rate of signals used to drive a display device. The output buffer circuit includes a bias current control signal generating circuit and a channel amplifying circuit. The bias current control signal generating circuit performs an exclusive OR operation on an input signal and an output signal of a reference operational amplifier to generate a bias current control signal. The channel amplifying circuit adjusts the slew rate of a plurality of output voltage signals in response to the bias current control signal. The output signals are then used to control the display device.Type: GrantFiled: February 20, 2014Date of Patent: March 1, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-Han Kim, Jae-Wook Kwon, Seong-Jong Yoo, Ha-Jun Lee
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Publication number: 20150302822Abstract: A display driver integrated circuit (IC) includes a first driver block, a second driver block, and a transmission control circuit. The transmission control circuit is configured to deserialize pixel data groups of a serial data packet and to alternate sending the deserialized pixel data groups to the first driver block and the second driver block. Each of the pixel data groups includes pixel data for at least one pixel.Type: ApplicationFiled: February 10, 2015Publication date: October 22, 2015Inventors: Ha Jun LEE, Myung Ho SEO, Jin Han KIM, Suk Yun WOO, Seong Jong YOO
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Publication number: 20140253534Abstract: A source driving circuit includes an output buffer circuit to compensate for slew rate of signals used to drive a display device. The output buffer circuit includes a bias current control signal generating circuit and a channel amplifying circuit. The bias current control signal generating circuit performs an exclusive OR operation on an input signal and an output signal of a reference operational amplifier to generate a bias current control signal. The channel amplifying circuit adjusts the slew rate of a plurality of output voltage signals in response to the bias current control signal. The output signals are then used to control the display device.Type: ApplicationFiled: February 20, 2014Publication date: September 11, 2014Inventors: Jin-Han KIM, Jae-Wook KWON, Seong-Jong YOO, Ha-Jun LEE
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Publication number: 20090039236Abstract: Disclosed herein is an active pixel sensor. A first transistor amplifies voltage generated in response to light at an integration node N. A second transistor is a selecting transistor, and performs a function of selecting a specific pixel from a pixel array. A third transistor resets voltage of the integration node N to voltage supplied from VDD during a reset period. A fourth transistor is a photogate, and performs a function of connecting a photogate capacitance to the integration node N, and thus increasing a dynamic range when the voltage of the integration node N is VDD?Vth (photogate: fourth transistor).Type: ApplicationFiled: September 21, 2007Publication date: February 12, 2009Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kyoung Hoon YANG, Ha Jun LEE