Patents by Inventor Han Su Cho
Han Su Cho 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: 20240367994Abstract: The present disclosure provides a method for partially reducing vanadium pentoxide (V2O5) using an ammonia solution, wherein ammonia is used to convert vanadium pentoxide (V2O5) powder to ammonia vanadate (NH4VO3), which is an intermediate material, after which the ammonia vanadate is heated under normal or reduced pressure in a nitrogen or argon atmosphere and then maintained for a certain period of time to partially reduce the vanadium pentoxide and thereby produce vanadium dioxide (VO2) powder, and vanadium dioxide (VO2) powder produced thereby.Type: ApplicationFiled: July 4, 2022Publication date: November 7, 2024Inventors: Byung-Su KIM, Taegong RYU, Han Kwon CHANG, Ji-Hyuk CHOI, Chang-Youl SUH, Jeonghyun YOO, Sung-Wook CHO, Tae Jun PARK
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Publication number: 20240352627Abstract: Disclosed are a composition for an organic optoelectronic device including at least one kind of a first host compound represented by the Chemical Formula 1 and at least one kind of a second host compound represented by the Chemical Formula 2, and an organic optoelectronic device and a display device including the composition.Type: ApplicationFiled: July 1, 2024Publication date: October 24, 2024Inventors: Jae-Jin OH, Gi-Wook Kang, Eui-Su Kang, Youn-Hwan Kim, Hun Kim, Yong-Tak Yang, Eun-Sun Yu, Nam-Heon Lee, Han-Ill Lee, Pyeong-Seok Cho
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Patent number: 12100784Abstract: A pixel includes a first bank pattern and a second bank pattern disposed on a base layer; a first electrode and a second electrode disposed on the first bank pattern and the second bank pattern, and spaced apart from each other; a light emitting element disposed between the first electrode and the second electrode, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; and at least one insulating layer overlapping the light emitting element and at least one of the first electrode and the second electrode. The at least one insulating layer includes at least one of a first opening adjacent to the first end of the light emitting element and a second opening adjacent to the second end of the light emitting element.Type: GrantFiled: March 4, 2020Date of Patent: September 24, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae Yun Choi, Jong Hyuk Kang, Hyun Deok Im, Jae Hoon Jung, Han Su Kim, Eun A Yang, Hyun Min Cho
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Patent number: 12100689Abstract: An apparatus for manufacturing a light emitting display device includes a substrate transfer stage including a plurality of support plates arranged at an interval in a first direction, each of the plurality of support plates extending in a second direction; and at least one electric-field application module disposed on at least one side of the substrate transfer stage. The at least one electric-field application module includes a probe head including at least one probe pin; and a driver connected to the probe head to move the probe head at least up and down.Type: GrantFiled: March 21, 2019Date of Patent: September 24, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Hyuk Kang, Hae Yun Choi, Han Su Kim, Eun A Yang, Hyun Min Cho, Keun Kyu Song, Jin Oh Kwag
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Patent number: 12087192Abstract: A display device includes a touch panel and a display panel. The touch panel outputs touch sensing signals. At least one of a plurality of touch sensing signals is converted from a time domain to a frequency domain, and then information on a thickness of a common electrode is detected based on a peak of the converted touch sensing signal. As a result, it is possible to inspect whether the common electrode is formed with a uniform thickness without destroying the display device.Type: GrantFiled: September 19, 2023Date of Patent: September 10, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hyeon Yang, Jun Young Ko, Han Su Cho, Tae Joon Kim, Jae Woo Choi
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Publication number: 20240296763Abstract: A display device includes a touch panel and a display panel. The touch panel outputs touch sensing signals. At least one of a plurality of touch sensing signals is converted from a time domain to a frequency domain, and then information on a thickness of a common electrode is detected based on a peak of the converted touch sensing signal. As a result, it is possible to inspect whether the common electrode is formed with a uniform thickness without destroying the display device.Type: ApplicationFiled: September 19, 2023Publication date: September 5, 2024Inventors: Tae Hyeon YANG, Jun Young KO, Han Su CHO, Tae Joon KIM, Jae Woo CHOI
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Publication number: 20240143114Abstract: A driving circuit includes: a display driver to generate a horizontal synchronization signal and a vertical synchronization signal according to a first clock signal of a first oscillator; a sensor driver to generate a touch signal according to a second clock signal of a second oscillator; and a determination circuit to detect a cycle of at least one of the horizontal synchronization signal or the vertical synchronization signal according to the second clock signal, and output a detection signal when the cycle is out of a range. The determination circuit is a part of the display driver or the sensor driver.Type: ApplicationFiled: June 26, 2023Publication date: May 2, 2024Inventors: Jun Young KO, Tae Hyeon YANG, Han Su CHO, Tae Joon KIM, Hyun Wook CHO, Jae Woo CHOI
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Patent number: 11907826Abstract: An electronic apparatus for performing machine learning a method of machine learning, and a non-transitory computer-readable recording medium are provided. The electronic apparatus includes an operation module configured to include a plurality of processing elements arranged in a predetermined pattern and share data between the plurality of processing elements which are adjacent to each other to perform an operation; and a processor configured to control the operation module to perform a convolution operation by applying a filter to input data, wherein the processor controls the operation module to perform the convolution operation by inputting each of a plurality of elements configuring a two-dimensional filter to the plurality of processing elements in a predetermined order and sequentially applying the plurality of elements to the input data.Type: GrantFiled: March 23, 2018Date of Patent: February 20, 2024Inventors: Kyoung-Hoon Kim, Young-hwan Park, Ki-seok Kwon, Suk-jin Kim, Chae-seok Im, Han-su Cho, Sang-bok Han, Seung-won Lee, Kang-jin Yoon
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Patent number: 11709094Abstract: A sound inspection method of a display device and a sound inspection device including preparing a display device including a display panel and a sound generator disposed on a first surface of the display panel, placing a vibration sensor on a second surface opposite to the first surface of the display panel, vibrating the sound generator at a first reference frequency, vibrating the display panel, and then sensing a vibration of the vibration sensor that vibrates along with a vibration of the display panel; and determining whether a frequency of the vibration of the vibration sensor is included in a first threshold frequency region.Type: GrantFiled: August 10, 2020Date of Patent: July 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Kee Yong Kim, Chang Yeob Kim, Jung Hun Sin, Han Su Cho
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Patent number: 11675997Abstract: Provided are a method and apparatus for processing a convolution operation in a neural network. The apparatus may include a memory, and a processor configured to read, from the memory, one of divided blocks of input data stored in a memory; generate an output block by performing the convolution operation on the one of the divided blocks with a kernel; generate a feature map by using the output block, and write the feature map to the memory.Type: GrantFiled: October 18, 2018Date of Patent: June 13, 2023Assignee: SAMSUNG ELEOTRONICC CO., LTD.Inventors: Kyoung-hoon Kim, Young-hwan Park, Dong-kwan Suh, Keshava Prasad, Dae-hyun Kim, Suk-jin Kim, Han-su Cho, Hyun-jung Kim
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Patent number: 11580722Abstract: Provided herein are a calibration method for a fingerprint sensor and a display device using the calibration method, where, in the calibration method for a fingerprint sensor, the fingerprint sensor includes a substrate, a light-blocking layer located on a first surface of the substrate and having openings formed in a light-blocking mask, a light-emitting element layer located on the light-blocking layer and having a plurality of light-emitting elements, and a sensor layer located on a second surface of the substrate and having a plurality of photosensors; and the calibration method includes generating calibration data through white calibration and dark calibration, and applying offsets to the plurality of photosensors using the calibration data.Type: GrantFiled: April 5, 2022Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mun Su Kim, Kee Yong Kim, Jung Hun Sin, Han Su Cho
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Patent number: 11568323Abstract: Disclosed is an electronic device. The An electronic device including a storage, and a processor configured to perform convolution processing on target data and kernel data based on stride information that indicates an interval at which the kernel data is applied to the target data stored in the storage, in which the processor is further configured to divide the target data into a plurality of pieces of sub-data based on first stride information, perform the convolution processing on the plurality of pieces of sub-data and a plurality of pieces of sub-kernel data respectively corresponding to the plurality of pieces of sub-data based on second stride information that is different from the first stride information, and combine a plurality of processing results, the plurality of pieces of sub-kernel data are obtained by dividing the kernel data based on the first stride information, and the second stride information indicates that the interval at which the kernel data is applied to the target data is 1.Type: GrantFiled: May 16, 2018Date of Patent: January 31, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung-hoon Kim, Young-hwan Park, Dong-kwan Suh, Keshava Prasad Nagaraja, Dae-hyun Kim, Suk-jin Kim, Han-su Cho, Hyun-jung Kim
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Patent number: 11568303Abstract: An electronic apparatus is provided. The electronic apparatus includes a first memory configured to store a first artificial intelligence (AI) model including a plurality of first elements and a processor configured to include a second memory. The second memory is configured to store a second AI model including a plurality of second elements. The processor is configured to acquire output data from input data based on the second AI model. The first AI model is trained through an AI algorithm. Each of the plurality of second elements includes at least one higher bit of a plurality of bits included in a respective one of the plurality of first elements.Type: GrantFiled: October 5, 2018Date of Patent: January 31, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung-hoon Kim, Young-hwan Park, Dong-soo Lee, Dae-hyun Kim, Han-su Cho, Hyun-jung Kim
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Patent number: 11450086Abstract: Disclosed is an electronic device and method for controlling same. The electronic device comprises: a memory; and a processor which checks an operation instruction for filtering input data of a neural network for each filter of a main pattern selected from a plurality of filters generated according to learning by the neural network, and stores the checked operation instruction in the memory.Type: GrantFiled: June 5, 2018Date of Patent: September 20, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Han-su Cho, Kyung-hoon Kim, Young-hwan Park, Suk-jin Kim, Hyun-jung Kim, Dong-wook Kwon
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Publication number: 20220230427Abstract: Provided herein are a calibration method for a fingerprint sensor and a display device using the calibration method, where, in the calibration method for a fingerprint sensor, the fingerprint sensor includes a substrate, a light-blocking layer located on a first surface of the substrate and having openings formed in a light-blocking mask, a light-emitting element layer located on the light-blocking layer and having a plurality of light-emitting elements, and a sensor layer located on a second surface of the substrate and having a plurality of photosensors; and the calibration method includes generating calibration data through white calibration and dark calibration, and applying offsets to the plurality of photosensors using the calibration data.Type: ApplicationFiled: April 5, 2022Publication date: July 21, 2022Inventors: Mun Su KIM, Kee Yong Kim, Jung Hun Sin, Han Su Cho
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Patent number: 11314978Abstract: Provided herein are a calibration method for a fingerprint sensor and a display device using the calibration method, where, in the calibration method for a fingerprint sensor, the fingerprint sensor includes a substrate, a light-blocking layer located on a first surface of the substrate and having openings formed in a light-blocking mask, a light-emitting element layer located on the light-blocking layer and having a plurality of light-emitting elements, and a sensor layer located on a second surface of the substrate and having a plurality of photosensors; and the calibration method includes generating calibration data through white calibration and dark calibration, and applying offsets to the plurality of photosensors using the calibration data.Type: GrantFiled: September 1, 2020Date of Patent: April 26, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mun Su Kim, Kee Yong Kim, Jung Hun Sin, Han Su Cho
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Patent number: 11093439Abstract: A processor for performing deep learning is provided herein. The processor includes a processing element unit including a plurality of processing elements arranged in a matrix form including a first row of processing elements and a second row of processing elements. The processing elements are fed with filter data by a first data input unit which is connected to the first row processing elements. A second data input unit feeds target data to the processing elements. A shifter composed of registers feeds instructions to the processing elements. A controller in the processor controls the processing elements, the first data input unit and second data input unit to process the filter data and target data, thus providing sum of products (convolution) functionality.Type: GrantFiled: September 27, 2018Date of Patent: August 17, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung-hoon Kim, Young-hwan Park, Dong-kwan Suh, Keshava prasad Nagaraja, Suk-jin Kim, Han-su Cho, Hyun-jung Kim
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Publication number: 20210158069Abstract: Provided herein are a calibration method for a fingerprint sensor and a display device using the calibration method, where, in the calibration method for a fingerprint sensor, the fingerprint sensor includes a substrate, a light-blocking layer located on a first surface of the substrate and having openings formed in a light-blocking mask, a light-emitting element layer located on the light-blocking layer and having a plurality of light-emitting elements, and a sensor layer located on a second surface of the substrate and having a plurality of photosensors; and the calibration method includes generating calibration data through white calibration and dark calibration, and applying offsets to the plurality of photosensors using the calibration data.Type: ApplicationFiled: September 1, 2020Publication date: May 27, 2021Inventors: Mun Su Kim, Kee Yong Kim, Jung Hun Sin, Han Su Cho
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Publication number: 20210048339Abstract: A sound inspection method of a display device and a sound inspection device including preparing a display device including a display panel and a sound generator disposed on a first surface of the display panel, placing a vibration sensor on a second surface opposite to the first surface of the display panel, vibrating the sound generator at a first reference frequency, vibrating the display panel, and then sensing a vibration of the vibration sensor that vibrates along with a vibration of the display panel; and determining whether a frequency of the vibration of the vibration sensor is included in a first threshold frequency region.Type: ApplicationFiled: August 10, 2020Publication date: February 18, 2021Inventors: Kee Yong Kim, Chang Yeob Kim, Jung Hun Sin, Han Su Cho
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Publication number: 20200272946Abstract: Disclosed is an electronic device. The An electronic device including a storage, and a processor configured to perform convolution processing on target data and kernel data based on stride information that indicates an interval at which the kernel data is applied to the target data stored in the storage, in which the processor is further configured to divide the target data into a plurality of pieces of sub-data based on first stride information, perform the convolution processing on the plurality of pieces of sub-data and a plurality of pieces of sub-kernel data respectively corresponding to the plurality of pieces of sub-data based on second stride information that is different from the first stride information, and combine a plurality of processing results, the plurality of pieces of sub-kernel data are obtained by dividing the kernel data based on the first stride information, and the second stride information indicates that the interval at which the kernel data is applied to the target data is 1.Type: ApplicationFiled: May 16, 2018Publication date: August 27, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyoung-hoon KIM, Young-hwan PARK, Dong-kwan SUH, Keshava Prasad NAGARAJA, Dae-hyun KIM, Suk-jin KIM, Han-su CHO, Hyun-jung KIM