Patents by Inventor Jun-Han Choi
Jun-Han 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).
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Publication number: 20240114735Abstract: A display device includes a scan line extending in a first direction. A plurality of data lines cross the scan line. A driving voltage line crosses the scan line. An active pattern includes a plurality of channel regions and a plurality of conductive regions. A control line is connected to the plurality of data lines and the driving voltage line. The active pattern includes a shielding part overlapping at least one data line of the plurality of data lines. The control line includes a plurality of main line parts each extending in the first direction, and a detour part connecting two adjacent main line parts of the plurality of main line parts to each other. The detour part extends along a periphery of the active pattern and crosses the at least one data line of the plurality of data lines.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Inventors: Jun Won CHOI, CHAE HAN HYUN
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Publication number: 20240107812Abstract: Provided is a light emitting display device comprising a driving transistor; a second transistor; a light emitting diode; a storage capacitor; a first scan line; and a driving gate electrode, in which a pixel includes only a transistor including an oxide semiconductor. The light emitting display device prevents deterioration of display quality due to a boost capacitor with a scan line in a pixel using an n-type transistor including an oxide semiconductor. Further, the light emitting display device prevents deterioration of display quality due to coupling with a data line in a pixel using an n-type transistor.Type: ApplicationFiled: July 25, 2023Publication date: March 28, 2024Inventors: MINJOO KIM, Jun Won CHOI, Jun Young MIN, Min Woo BYUN, Jun-Yong AN, Chae Han HYUN, SUNGCHAN HWANG
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Patent number: 11942635Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.Type: GrantFiled: September 28, 2020Date of Patent: March 26, 2024Assignee: ECOPRO BM CO., LTD.Inventors: Moon Ho Choi, Jun Won Suh, Jin Kyeong Yun, Jung Han Lee, Mi Hye Yun, Seung Woo Choi, Gwang Seok Choe, Ye Ri Jang, Joong Ho Bae
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Publication number: 20230057178Abstract: A semiconductor device including an error amplifier configured to receive a voltage of an output node and a reference voltage, a flipped voltage follower (FVF) circuit configured to receive an output of the error amplifier and maintain the voltage of the output node at the reference voltage, and a bias current control circuit configured to receive first to third mode signals, control a magnitude of a bias current flowing through the FVF circuit based on the first to third mode signals, control the bias current of a first magnitude, based on the first mode signal, control the bias current of a second magnitude smaller than the first magnitude, based on the second mode signal, and control the bias current of a third magnitude smaller than the second magnitude, based on the third mode signal.Type: ApplicationFiled: May 13, 2022Publication date: February 23, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Kyoung Jun ROH, Jae Woo PARK, Jun Han CHOI, Myoung Bo KWAK, Jung Hwan CHOI
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Patent number: 10895589Abstract: A semiconductor device for monitoring a reverse voltage is provided. The semiconductor device includes an intellectual property having an input node and an output node; a passive component connected between the output node and a potential; a monitoring circuit connected to the input node and the output node and powered by a driving power, the monitoring circuit monitoring a difference between an input level at the input node and an output level at the output node to detect a reverse voltage across the intellectual property. The driving power is provided by the output node.Type: GrantFiled: May 26, 2020Date of Patent: January 19, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-han Choi, Tae-hwang Kong, Kwang-ho Kim, Sang-ho Kim, Se-Ki Kim, Jun-hyeok Yang, Sung-yong Lee, Yong-jin Lee
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Publication number: 20200292591Abstract: A semiconductor device for monitoring a reverse voltage is provided. The semiconductor device includes an intellectual property having an input node and an output node; a passive component connected between the output node and a potential; a monitoring circuit connected to the input node and the output node and powered by a driving power, the monitoring circuit monitoring a difference between an input level at the input node and an output level at the output node to detect a reverse voltage across the intellectual property. The driving power is provided by the output node.Type: ApplicationFiled: May 26, 2020Publication date: September 17, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-han CHOI, Tae-hwang KONG, Kwang-ho KIM, Sang-ho KIM, Se-Ki KIM, Jun-hyeok YANG, Sung-yong LEE, Yong-jin LEE
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Patent number: 10690703Abstract: A semiconductor device for monitoring a reverse voltage is provided. The semiconductor device includes an intellectual property having an input node and an output node; a passive component connected between the output node and a potential; a monitoring circuit connected to the input node and the output node and powered by a driving power, the monitoring circuit monitoring a difference between an input level at the input node and an output level at the output node to detect a reverse voltage across the intellectual property. The driving power is provided by the output node.Type: GrantFiled: January 11, 2018Date of Patent: June 23, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-han Choi, Tae-hwang Kong, Kwang-ho Kim, Sang-ho Kim, Se-ki Kim, Jun-hyeok Yang, Sung-yong Lee, Yong-jin Lee
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Patent number: 10069340Abstract: A wireless power receiver for wirelessly receiving power from a wireless power supplier includes a power receiver for receiving wireless power from the wireless power supplier and storing the wireless power for a first time period, a rectifier connected to the power receiver for rectifying the wireless power, a power adjuster connected to the rectifier and an output end, for adjusting a magnitude of the wireless power by enabling the power receiver to store the wireless power for the first time period and delivering the wireless power to the output end for a second time period, and a controller for determining the first and second time periods.Type: GrantFiled: October 19, 2012Date of Patent: September 4, 2018Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and TechnologyInventors: Sung-Ku Yeo, Gyu-Hyeong Cho, Se-Ki Kim, Yu-Su Kim, Se-Ho Park, Jun-Han Choi
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Patent number: 10063099Abstract: A wireless power receiver for wirelessly receiving a supply of power from a wireless power supplier is disclosed. The wireless power receiver includes a power reception unit for wirelessly receiving wireless power from the wireless power supplier; a rectifier for rectifying the wireless power into power including a DC waveform; a power adjustor for configuring a closed loop with the power reception unit for a first period and transferring the wireless power to the rectifier for a second period to adjust a size of the wireless power; and a controller for determining the first period and the second period, wherein the power adjustor is electrically connected to the power reception unit and the rectifier.Type: GrantFiled: August 17, 2012Date of Patent: August 28, 2018Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and Technology (KAIST)Inventors: Sung-Ku Yeo, Gyu-Hyeong Cho, Se-Ho Park, Se-Ki Kim, Young-Min Lee, Jun-Han Choi
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Publication number: 20180231590Abstract: A semiconductor device for monitoring a reverse voltage is provided. The semiconductor device includes an intellectual property having an input node and an output node; a passive component connected between the output node and a potential; a monitoring circuit connected to the input node and the output node and powered by a driving power, the monitoring circuit monitoring a difference between an input level at the input node and an output level at the output node to detect a reverse voltage across the intellectual property. The driving power is provided by the output node.Type: ApplicationFiled: January 11, 2018Publication date: August 16, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-han Choi, Tae-hwang Kong, Kwang-ho Kim, Sang-ho Kim, Se-ki Kim, Jun-hyeok Yang, Sung-yong Lee, Yong-jin Lee
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Patent number: 9441257Abstract: A method for producing fermented edible plants alone or a mixture of edible plants and edible animals including the steps of: producing crushed edible plants or edible animal/plants; culturing a liquid mixture of grains, saccharides, filamentous fungi, and yeast for 24 to 36 hours to produce a mixed microbial broth; inoculating the edible plants or edible animal/plants with the mixed microbial broth, and firstly fermenting the edible plants or edible animal/plants for 3 to 8 days to produce first fermented edible plants or edible animal/plants; and inoculating the first fermented edible plants or edible animal/plants with bacteria, and secondly fermenting the first fermented edible plants or edible animal/plants for 6 to 12 days to produce second fermented edible plants or edible animal/plants. Further, adding the fermented edible plants or edible animal/plants produced by the above-described method into foods can provide storage stability, increase bioavailability, and improve flavor.Type: GrantFiled: May 6, 2009Date of Patent: September 13, 2016Assignee: PHARVIS R&D KOREA CO., LTD.Inventors: Joo Chae Choi, Jun Han Choi, Seung Han Choi
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Patent number: 9438062Abstract: A wireless electric power receiver for receiving wireless electric power from a wireless electric transmitter is provided. The wireless electric power receiver includes an electric power receiving unit that receives wireless electric power from the wireless electric power transmitter; a rectifying unit that rectifies wireless electric power in the form of alternating current output from the wireless electric power receiving unit and outputs rectified electric power; and an electric power regulation unit that receives an input of the rectified electric power, outputs first electric power which has a lower value of a first voltage than that of the rectified electric power for a first period, and does not output electric power for a second period, so as to output electric power with a predetermined voltage value.Type: GrantFiled: October 15, 2013Date of Patent: September 6, 2016Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and TechnologyInventors: Sung-Ku Yeo, Gyu-Hyeong Cho, Jun-Han Choi, Se-Ho Park, Jeong-Seok Lee
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Patent number: 9391535Abstract: Provided is a received power conversion device for a resonant wireless charging system, including a wireless power receiver for receiving wireless power from a wireless power transmission device, a rectifier for rectifying power in an Alternating Current (AC) form received in the wireless power receiver into a Direct Current (DC), a free-wheeling switching unit for switching according to a switching control signal to form a path for free-wheeling the power in the AC form, a feedback circuit fed back with an output signal of a corresponding power conversion device to detect a level of the output signal, and a controller for controlling switching of the free-wheeling switching unit according to the output level detected by the feedback circuit.Type: GrantFiled: October 24, 2012Date of Patent: July 12, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Ku Yeo, Gyu-Hyeong Cho, Se-Ho Park, Se-Ki Kim, Young-Min Lee, Jun-Han Choi
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Patent number: 9143002Abstract: A wireless electric power receiver for receiving wireless electric power from a wireless electric transmitter is provided. The wireless electric power receiver includes an electric power receiving unit that receives wireless electric power from the wireless electric power transmitter; a rectifying unit that rectifies wireless electric power in the form of alternating current output from the wireless electric power receiving unit and outputs rectified electric power; and an electric power regulation unit that receives an input of the rectified electric power, outputs first electric power which has a lower value of a first voltage than that of the rectified electric power for a first period, and does not output electric power for a second period, so as to output electric power with a predetermined voltage value.Type: GrantFiled: October 15, 2013Date of Patent: September 22, 2015Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Sung-Ku Yeo, Gyu-Hyeong Cho, Se-Ho Park, Jun-Han Choi
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Publication number: 20140106826Abstract: A wireless electric power receiver for receiving wireless electric power from a wireless electric transmitter is provided. The wireless electric power receiver includes an electric power receiving unit that receives wireless electric power from the wireless electric power transmitter; a rectifying unit that rectifies wireless electric power in the form of alternating current output from the wireless electric power receiving unit and outputs rectified electric power; and an electric power regulation unit that receives an input of the rectified electric power, outputs first electric power which has a lower value of a first voltage than that of the rectified electric power for a first period, and does not output electric power for a second period, so as to output electric power with a predetermined voltage value.Type: ApplicationFiled: October 15, 2013Publication date: April 17, 2014Applicants: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd.Inventors: Sung-Ku YEO, Gyu-Hyeong Cho, Se-Ho Park, Jun-Han Choi
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Publication number: 20140104898Abstract: A wireless electric power receiver for receiving wireless electric power from a wireless electric transmitter is provided. The wireless electric power receiver includes an electric power receiving unit that receives wireless electric power from the wireless electric power transmitter; a rectifying unit that rectifies wireless electric power in the form of alternating current output from the wireless electric power receiving unit and outputs rectified electric power; and an electric power regulation unit that receives an input of the rectified electric power, outputs first electric power which has a lower value of a first voltage than that of the rectified electric power for a first period, and does not output electric power for a second period, so as to output electric power with a predetermined voltage value.Type: ApplicationFiled: October 15, 2013Publication date: April 17, 2014Applicants: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd.Inventors: Sung-Ku YEO, Gyu-Hyeong Cho, Jun-Han Choi, Se-Ho Park, Jeong-Seok Lee
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Publication number: 20130043737Abstract: A wireless power receiver for wirelessly receiving a supply of power from a wireless power supplier is disclosed. The wireless power receiver includes a power reception unit for wirelessly receiving wireless power from the wireless power supplier; a rectifier for rectifying the wireless power into power including a DC waveform; a power adjustor for configuring a closed loop with the power reception unit for a first period and transferring the wireless power to the rectifier for a second period to adjust a size of the wireless power; and a controller for determining the first period and the second period, wherein the power adjustor is electrically connected to the power reception unit and the rectifier.Type: ApplicationFiled: August 17, 2012Publication date: February 21, 2013Applicants: Korea Advanced Institute of Science and Technology (KAIST), Samsung Electronics Co., Ltd.Inventors: Sung-Ku Yeo, Gyu-Hyeong Cho, Se-Ho Park, Se-Ki Kim, Young-Min Lee, Jun-Han Choi
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Publication number: 20100316763Abstract: The present invention relates to a method for producing fermented edible plants or edible animal/plants, to fermented edible plants or edible animal/plants produced by same, and to foods containing same. The method for producing fermented edible plants or edible animal/plants includes the steps of: producing crushed edible plants or edible animal/plants; culturing a liquid mixture of grains, saccharides, filamentous fungi, and yeast for 24 to 36 hours to produce a mixed microbial broth; inoculating the edible plants or edible animal/plants with the mixed microbial broth, and firstly fermenting the edible plants or edible animal/plants for 3 to 8 days to produce first fermented edible plants or edible animal/plants; and inoculating the first fermented edible plants or edible animal/plants with bacteria, and secondly fermenting the first fermented edible plants or edible animal/plants for 6 to 12 days to produce second fermented edible plants or edible animal/plants.Type: ApplicationFiled: May 6, 2009Publication date: December 16, 2010Applicant: PHARVIS R&D KOREA CO., LTD.Inventors: Joo Chae Choi, Jun Han Choi, Seung Han Choi
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Patent number: 7211318Abstract: Disclosed is an incombustible composition for a fire door/wall, the fire door/wall using the incombustible composition, and a method of producing the fire door/wall. The incombustible composition includes 1 to 80 wt % of organic or inorganic fiber, 1 to 80 wt % of fly ash or bottom ash, 1 to 80 wt % of fire-proofing agent, 1 to 30 wt % of curing fire-retardant resin, and 1 to 40 wt % of incombustible hollow filler.Type: GrantFiled: September 28, 2004Date of Patent: May 1, 2007Inventors: Sang-Hoon Lee, Jun-Han Choi, Byung-Ick Yoon
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Publication number: 20050066859Abstract: Disclosed is an incombustible composition, an incombustible construction product using the incombustible composition, and a method of producing the incombustible construction product. The incombustible composition includes 1 to 80 wt % of organic or inorganic fiber, 1 to 80 wt % of fly ash or bottom ash, 1 to 80 wt % of fire-proofing agent, and 1 to 60 wt % of fire-retardant curing agent. Additionally, the method includes mixing components, constituting the incombustible composition, with each other, and shaping the incombustible composition using a roller press or an autoclave. Therefore, the incombustible composition is advantageous in that it is environmentally-friendly because it contains waste materials, and that it has excellent hardness, strength, and water resistance. Other advantages are that its production costs are relatively low, and that it has excellent incombustibility, depending on the contents of the components constituting the incombustible composition.Type: ApplicationFiled: September 27, 2004Publication date: March 31, 2005Inventors: Sang-Hoon Lee, Jun-Han Choi, Byung-Ick Yoon