Patents by Inventor Kwang-Jun Cho
Kwang-Jun 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).
-
Publication number: 20240128605Abstract: Provided are an electrode assembly, a battery, and a battery pack and vehicle including the same. An electrode assembly, in which a first electrode, a second electrode, and a separator interposed therebetween are wound about an axis to define a core and an outer circumferential surface. At least one of the first electrode and the second electrode includes, at a long side end portion, an uncoated portion exposed beyond the separator in a direction of the axis. At least a part of the uncoated portion is bent in a radial direction of the electrode assembly to define a bent surface region having overlapping layers of the uncoated portion. The bent surface region includes a welding target region having a number of the overlapping layers of the uncoated portion, and the welding target region extends along a radial direction of the electrode assembly.Type: ApplicationFiled: February 18, 2022Publication date: April 18, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Min-Woo KIM, Do-Gyun KIM, Kyung-Wook CHO, Geon-Woo MIN, Min-Ki JO, Jae-Woong KIM, Kwang-Su HWANGBO, Hae-Jin LIM, Su-Ji CHOI, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG
-
Publication number: 20220036045Abstract: An image processing system includes an image sensor suitable for performing an operation in a first mode to generate an image of a first quality and performing an operation in a second mode to generate an image of a second quality which is higher than the first quality; an auxiliary processor suitable for processing the image of the first quality generated by the image sensor in the first mode; and a main processor suitable for processing the image of the second quality generated by the image sensor in the second mode.Type: ApplicationFiled: January 6, 2021Publication date: February 3, 2022Inventors: Taehee Cho, Kwang June Sohn, Ik Seok Yang, Kwang Jun Cho
-
Patent number: 8853608Abstract: An image sensor for reducing a sampling time by shortening a stabilization duration is provided. The image sensor includes a pixel unit, a sampling unit sampling a signal from an output node of the pixel unit, a sinking unit sinking current from the output node of the pixel unit, and a current controller controlling the amount of current in the sinking unit.Type: GrantFiled: March 6, 2012Date of Patent: October 7, 2014Assignee: SK Hynix Inc.Inventor: Kwang Jun Cho
-
Patent number: 8822899Abstract: There is provided an image sensor, including an input control unit configured to control signal paths between a plurality of pixels and a plurality of sampling units and supplying outputs from the plurality of pixels in row units to the plurality of sampling units during a normal operation, while supplying the outputs from the plurality of pixels by color, to the plurality of sampling units during a binning operation; and an output control unit configured to control signal paths between the plurality of sampling units and an amplification unit and sequentially supplying outputs from the plurality of sampling units to the amplification unit during the normal operation while simultaneously supplying the outputs from the plurality of sampling units to the amplification unit during the binning operation.Type: GrantFiled: November 10, 2011Date of Patent: September 2, 2014Assignee: SK Hynix Inc.Inventor: Kwang Jun Cho
-
Patent number: 8791400Abstract: An image sensor includes a dummy pixel array with at least one dummy pixel, a pixel array with a plurality of main pixels, and a data processing unit configured to process a signal provided from the main pixels. The dummy pixel includes: a first switch having a first terminal receiving a first voltage and a second terminal coupled to a floating node; a second switch having a first terminal receiving a second voltage; a third switch coupled between a second terminal of the second switch and the floating node; and a driving element configured to drive a first terminal thereof according to a voltage level applied to the floating node.Type: GrantFiled: June 14, 2011Date of Patent: July 29, 2014Assignee: SK Hynix Inc.Inventors: Kwang Jun Cho, Tae Woo Kim
-
Patent number: 8384448Abstract: A DLL circuit includes a duty ratio correction unit that corrects the duty ratios of first and second delay clocks duty ratio to generate first and second correction clocks. A duty ratio detection unit detects the duty ratios of the first and second correction clocks, thereby generating first and second detection signals. A voltage comparison unit compares the levels of the first and second detection signals, thereby generating a first fine control signal. An operation mode setting unit generates a locking completion signal and a second fine control signal. A switching unit selectively transmits the first fine control signal or the second fine control signal to a delay control unit according to whether or not the locking completion signal is enabled.Type: GrantFiled: July 20, 2007Date of Patent: February 26, 2013Assignee: Hynix Semiconductor Inc.Inventor: Kwang-Jun Cho
-
Publication number: 20130032691Abstract: An image sensor for reducing a sampling time by shortening a stabilization duration is provided. The image sensor includes a pixel unit, a sampling unit sampling a signal from an output node of the pixel unit, a sinking unit sinking current from the output node of the pixel unit, and a current controller controlling the amount of current in the sinking unit.Type: ApplicationFiled: March 6, 2012Publication date: February 7, 2013Applicant: HYNIX SEMICONDUCTOR INC.Inventor: Kwang Jun CHO
-
Patent number: 8253459Abstract: A frequency adjusting apparatus includes a frequency control signal generating unit that generates a multi-bit frequency control signal, which is changed in level bit by bit, in response to a reference clock signal, and a frequency adjusting unit that adjusts the frequency of the reference clock signal in response to the multi-bit frequency control signal.Type: GrantFiled: April 8, 2011Date of Patent: August 28, 2012Assignee: SK hynix Inc.Inventors: Kwang Jun Cho, Jun Hyun Chun
-
Publication number: 20120112040Abstract: There is provided an image sensor, including an input control unit configured to control signal paths between a plurality of pixels and a plurality of sampling units and supplying outputs from the plurality of pixels in row units to the plurality of sampling units during a normal operation, while supplying the outputs from the plurality of pixels by color, to the plurality of sampling units during a binning operation; and an output control unit configured to control signal paths between the plurality of sampling units and an amplification unit and sequentially supplying outputs from the plurality of sampling units to the amplification unit during the normal operation while simultaneously supplying the outputs from the plurality of sampling units to the amplification unit during the binning operation.Type: ApplicationFiled: November 10, 2011Publication date: May 10, 2012Applicant: HYNIX SEMICONDUCTOR INC.Inventor: Kwang Jun CHO
-
Publication number: 20120112041Abstract: Provided is an image sensor including a plurality of sampling units, a plurality of signal lines connected to an amplification unit; and a plurality of first switches positioned between the plurality of sampling units and the plurality of signal lines, connecting a plurality of sampling units to the plurality of signal lines when performing analog binning operation, and connecting one of the plurality of sampling units to one of the signal lines when performing a general operation.Type: ApplicationFiled: November 10, 2011Publication date: May 10, 2012Applicant: HYNIX SEMICONDUCTOR INC.Inventor: Kwang Jun CHO
-
Patent number: 8149639Abstract: A test apparatus includes a test fuse unit for generating a test fuse signal in response to a test mode signal during a test time and generating a test fuse signals according to a fuse cutting after a termination of the test time, a combination signal generating unit for storing a test signal and inactivating a combination signal when the test mode signal is inactivate and for outputting the stored test signal as the combination signal when the test mode signal is activate, and a code signal generating unit for activating a test code signal when one of the test fuse signal and the combination signal is activated.Type: GrantFiled: November 8, 2010Date of Patent: April 3, 2012Assignee: Hynix Semiconductor, Inc.Inventors: Jong-Sam Kim, Kwang-Jun Cho
-
Publication number: 20110315853Abstract: An image sensor includes a dummy pixel array with at least one dummy pixel, a pixel array with a plurality of main pixels, and a data processing unit configured to process a signal provided from the main pixels. The dummy pixel includes: a first switch having a first terminal receiving a first voltage and a second terminal coupled to a floating node; a second switch having a first terminal receiving a second voltage; a third switch coupled between a second terminal of the second switch and the floating node; and a driving element configured to drive a first terminal thereof according to a voltage level applied to the floating node.Type: ApplicationFiled: June 14, 2011Publication date: December 29, 2011Applicant: HYNIX SEMICONDUCTOR INC.Inventors: Kwang Jun CHO, Tae Woo KIM
-
Patent number: 8027210Abstract: In the data input apparatus, a data delay unit outputs data input from outside the data input apparatice. The data delay unit varies the degree of delay in response to a test mode signal. A data alignment signal generating unit receives a first signal synchronized with an external clock signal and a second signal synchronized with a data strobe signal, and the data alignment signal generating unit outputs one of the first signal and the second signal as a data alignment signal in response to the test mode signal. A data alignment unit is synchronized with the data alignment signal to align the data delayed in the data delay unit. The data input apparatus improves the setup/hold window when a semiconductor memory device is in the test mode.Type: GrantFiled: August 27, 2008Date of Patent: September 27, 2011Assignee: Hynix Semiconductor Inc.Inventors: Kie Bong Ku, Kwang Jun Cho
-
Publication number: 20110181328Abstract: A frequency adjusting apparatus includes a frequency control signal generating unit that generates a multi-bit frequency control signal, which is changed in level bit by bit, in response to a reference clock signal, and a frequency adjusting unit that adjusts the frequency of the reference clock signal in response to the multi-bit frequency control signal.Type: ApplicationFiled: April 8, 2011Publication date: July 28, 2011Applicant: Hynix Semiconduction Inc.Inventors: Kwang Jun CHO, Jun Hyun Chun
-
Patent number: 7928786Abstract: A clock buffer circuit of a semiconductor device is disclosed which receives an external clock signal and generates an internal clock signal with no duty distortion. The clock buffer circuit includes a first clock buffer for receiving and buffering a normal-phase clock signal, a second clock buffer for receiving and buffering a reverse-phase clock signal, and an internal clock generator for generating an internal clock signal in response to output signals from the first and second clock buffers.Type: GrantFiled: January 14, 2010Date of Patent: April 19, 2011Assignee: Hynix Semiconductor Inc.Inventor: Kwang Jun Cho
-
Publication number: 20110050271Abstract: A test apparatus includes a test fuse unit for generating a test fuse signal in response to a test mode signal during a test time and generating a test fuse signals according to a fuse cutting after a termination of the test time, a combination signal generating unit for storing a test signal and inactivating a combination signal when the test mode signal is inactivate and for outputting the stored test signal as the combination signal when the test mode signal is activate, and a code signal generating unit for activating a test code signal when one of the test fuse signal and the combination signal is activated.Type: ApplicationFiled: November 8, 2010Publication date: March 3, 2011Applicant: HYNIX SEMICONDUCTOR, INC.Inventors: Jong Sam Kim, Kwang Jun Cho
-
Patent number: 7843748Abstract: A test apparatus includes a test fuse unit for generating a test fuse signal in response to a test mode signal during a test time and generating a test fuse signals according to a fuse cutting after a termination of the test time, a combination signal generating unit for storing a test signal and inactivating a combination signal when the test mode signal is inactivate and for outputting the stored test signal as the combination signal when the test mode signal is activate, and a code signal generating unit for activating a test code signal when one of the test fuse signal and the combination signal is activated.Type: GrantFiled: July 9, 2008Date of Patent: November 30, 2010Assignee: Hynix Semiconductor Inc.Inventors: Jong-Sam Kim, Kwang-Jun Cho
-
Patent number: 7834674Abstract: A delay circuit includes a delay line unit including a plurality of delay units configured to generate a plurality of delay input clocks by delaying an input clock by a unit delay amount in response to at least one delay control signal; and a signal selection unit configured to selectively output at least one of the plurality of delay input clocks in response to the delay control signal.Type: GrantFiled: December 29, 2008Date of Patent: November 16, 2010Assignee: Hynix Semiconductor Inc.Inventor: Kwang-Jun Cho
-
Publication number: 20100128039Abstract: An image data processing method includes obtaining pixel data from a pixel array and generating image data by rearranging the pixel data.Type: ApplicationFiled: December 29, 2008Publication date: May 27, 2010Inventors: Kwang-Jun CHO, Young-Chul Sohn
-
Publication number: 20100117689Abstract: A clock buffer circuit of a semiconductor device is disclosed which receives an external clock signal and generates an internal clock signal with no duty distortion. The clock buffer circuit includes a first clock buffer for receiving and buffering a normal-phase clock signal, a second clock buffer for receiving and buffering a reverse-phase clock signal, and an internal clock generator for generating an internal clock signal in response to output signals from the first and second clock buffers.Type: ApplicationFiled: January 14, 2010Publication date: May 13, 2010Inventor: Kwang Jun Cho