Patents by Inventor Jun-seong Lee
Jun-seong 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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Patent number: 12183228Abstract: An apparatus for inspecting a display device including a touch sensor may include: a power source generator configured to generate a pixel voltage of the display device; and a variable impedance circuit electrically connected to an output terminal of the power source generator, wherein the variable impedance circuit may include: a variable resistance circuit electrically connected to the power source generator and an output terminal of the variable impedance circuit, and including resistors connected in parallel with each other; and a variable capacitor circuit electrically connected to the power source generator and a ground voltage source.Type: GrantFiled: August 29, 2023Date of Patent: December 31, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jun Young Ko, Tae Joon Kim, Eun Sol Seo, Yu Jin Sin, Jun Seong Lee, Jae Woo Choi
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Patent number: 12142175Abstract: An apparatus for inspecting a display device including a touch sensor may include: a power source generator configured to generate a pixel voltage of the display device; and a variable impedance circuit electrically connected to an output terminal of the power source generator, wherein the variable impedance circuit may include: a variable resistance circuit electrically connected to the power source generator and an output terminal of the variable impedance circuit, and including resistors connected in parallel with each other; and a variable capacitor circuit electrically connected to the power source generator and a ground voltage source.Type: GrantFiled: August 29, 2023Date of Patent: November 12, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jun Young Ko, Tae Joon Kim, Eun Sol Seo, Yu Jin Sin, Jun Seong Lee, Jae Woo Choi
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Patent number: 12038475Abstract: A touch testing apparatus includes: a pogo pad area including input and output test pogo pads respectively connected to input and output test pads disposed in a pad area of a touch detection module; a test touch driver circuit configured to detect compression deviations between the input test pad and the input test pogo pad and between the output test pad and the output test pogo pad, and to correct touch data of the touch detection module based on the detected compression deviations; and a test board on which the test touch driver circuit is mounted, wherein the test board is configured to electrically connect the test touch driver circuit with the input and output test pogo pads.Type: GrantFiled: April 12, 2022Date of Patent: July 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Seong Lee, Jun Young Ko, Kee Yong Kim, Eun Sol Seo, Jung Hun Sin, Jae Woo Choi
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Patent number: 11926441Abstract: An orbit transition apparatus that transitions an orbit of a payload in outer space includes a rotating body, an adapter disposed on a center part of the rotating body for docking a payload, a launch module disposed outside of the rotating body for launching the payload, and a thruster for rotating the rotating body. The launch module may launch the payload to a target orbit.Type: GrantFiled: December 20, 2021Date of Patent: March 12, 2024Assignee: KOREA AEROSPACE RESEARCH INSTITUTInventors: Sung Hyuck Im, Jun Seong Lee, Kee Joo Lee, Jae Sung Park
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Patent number: 11927974Abstract: The flow rate control device includes a main plate corresponding to an inner diameter and including a through hole which is formed at the center thereof and through which a fluid flows, a sub-plate corresponding to a size of the through hole, disposed in front of the main plate, and applied with a pressure of the flowing fluid, and an expansion and contraction flow path formed to connect the through hole and a circumference of the sub-plate to each other and expanded and contracted by the pressure applied to the sub-plate. The expansion and contraction flow path includes a plurality of holes which are formed in a side surface thereof and through which the flow flows, and has a cross-sectional area changed by the pressure to control a flow rate.Type: GrantFiled: November 17, 2021Date of Patent: March 12, 2024Assignee: Korea Aerospace Research InstituteInventors: Kwang Kun Park, Jun Seong Lee, Kee Joo Lee
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Publication number: 20230410702Abstract: An apparatus for inspecting a display device including a touch sensor may include: a power source generator configured to generate a pixel voltage of the display device; and a variable impedance circuit electrically connected to an output terminal of the power source generator, wherein the variable impedance circuit may include: a variable resistance circuit electrically connected to the power source generator and an output terminal of the variable impedance circuit, and including resistors connected in parallel with each other; and a variable capacitor circuit electrically connected to the power source generator and a ground voltage source.Type: ApplicationFiled: August 29, 2023Publication date: December 21, 2023Inventors: Jun Young KO, Tae Joon Kim, Eun Sol Seo, Yu Jin Sin, Jun Seong Lee, Jae Woo Choi
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Patent number: 11769430Abstract: A method for inspecting a display device (which includes a pixel electrode and a touch sensor overlapping the pixel electrode) includes: adjusting an impedance value of a variable impedance circuit of an inspection apparatus according to a model of the display device; driving a power source generator of the inspection apparatus; supplying a pixel voltage to the pixel electrode through an output terminal connected to the variable impedance circuit; driving the touch sensor; and detecting a defect related to the pixel electrode based on sensing signals output from the touch sensor.Type: GrantFiled: June 2, 2022Date of Patent: September 26, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jun Young Ko, Tae Joon Kim, Eun Sol Seo, Yu Jin Sin, Jun Seong Lee, Jae Woo Choi
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Patent number: 11691759Abstract: A projectile landing apparatus for retrieving a projectile includes a plurality of grippers disposed to be spaced apart. The plurality of grippers may include a support, a guide having one side connected to one end of the support, and a shock absorber having one end connected to the other end of the support and having the other end connected to the guide. The plurality of grippers may guide a projectile, buffer a load, and safely retrieve the projectile.Type: GrantFiled: December 9, 2021Date of Patent: July 4, 2023Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Sung Hyuck Im, Jun Seong Lee, Kee Joo Lee, Jae Sung Park
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Patent number: 11662848Abstract: A display device includes a display unit comprising a plurality of pixels. A touch sensing unit is disposed on the display unit and comprises a plurality of driving electrodes and a plurality of sensing electrodes. A touch driver supplies a touch driving signal to the driving electrodes through a plurality of driving lines and receives a touch sensing signal from the sensing electrodes through a plurality of sensing lines. During a first horizontal period of one frame period, the touch driver supplies a touch driving signal having a first pulse width to a first partial portion of the driving lines and supplies a touch driving signal having a second pulse width smaller than the first pulse width to a second partial portion of the driving lines that is different from the first partial portion of the driving lines.Type: GrantFiled: September 3, 2021Date of Patent: May 30, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Bo Geun Yuk, Jun Seong Lee, Min Hong Kim, Tae Joon Kim, Eung Kwan Lee
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Publication number: 20230092537Abstract: A method for inspecting a display device (which includes a pixel electrode and a touch sensor overlapping the pixel electrode) includes: adjusting an impedance value of a variable impedance circuit of an inspection apparatus according to a model of the display device; driving a power source generator of the inspection apparatus; supplying a pixel voltage to the pixel electrode through an output terminal connected to the variable impedance circuit; driving the touch sensor; and detecting a defect related to the pixel electrode based on sensing signals output from the touch sensor.Type: ApplicationFiled: June 2, 2022Publication date: March 23, 2023Inventors: Jun Young KO, Tae Joon KIM, Eun Sol SEO, Yu Jin SIN, Jun Seong LEE, Jae Woo CHOI
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Publication number: 20230035999Abstract: A touch testing apparatus includes: a pogo pad area including input and output test pogo pads respectively connected to input and output test pads disposed in a pad area of a touch detection module; a test touch driver circuit configured to detect compression deviations between the input test pad and the input test pogo pad and between the output test pad and the output test pogo pad, and to correct touch data of the touch detection module based on the detected compression deviations; and a test board on which the test touch driver circuit is mounted, wherein the test board is configured to electrically connect the test touch driver circuit with the input and output test pogo pads.Type: ApplicationFiled: April 12, 2022Publication date: February 2, 2023Inventors: Jun Seong LEE, Jun Young KO, Kee Yong KIM, Eun Sol SEO, Jung Hun SIN, Jae Woo CHOI
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Publication number: 20220332441Abstract: An orbit transition apparatus that transitions an orbit of a payload in outer space includes a rotating body, an adapter disposed on a center part of the rotating body for docking a payload, a launch module disposed outside of the rotating body for launching the payload, and a thruster for rotating the rotating body. The launch module may launch the payload to a target orbit.Type: ApplicationFiled: December 20, 2021Publication date: October 20, 2022Applicant: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Sung Hyuck IM, Jun Seong LEE, Kee Joo LEE, Jae Sung PARK
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Publication number: 20220258883Abstract: A projectile landing apparatus for retrieving a projectile includes a plurality of grippers disposed to be spaced apart. The plurality of grippers may include a support, a guide having one side connected to one end of the support, and a shock absorber having one end connected to the other end of the support and having the other end connected to the guide. The plurality of grippers may guide a projectile, buffer a load, and safely retrieve the projectile.Type: ApplicationFiled: December 9, 2021Publication date: August 18, 2022Applicant: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Sung Hyuck Im, Jun Seong Lee, Kee Joo Lee, Jae Sung Park
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Publication number: 20220171483Abstract: A display device includes a display unit comprising a plurality of pixels. A touch sensing unit is disposed on the display unit and comprises a plurality of driving electrodes and a plurality of sensing electrodes. A touch driver supplies a touch driving signal to the driving electrodes through a plurality of driving lines and receives a touch sensing signal from the sensing electrodes through a plurality of sensing lines. During a first horizontal period of one frame period, the touch driver supplies a touch driving signal having a first pulse width to a first partial portion of the driving lines and supplies a touch driving signal having a second pulse width smaller than the first pulse width to a second partial portion of the driving lines that is different from the first partial portion of the driving lines.Type: ApplicationFiled: September 3, 2021Publication date: June 2, 2022Inventors: Bo Geun YUK, Jun Seong LEE, Min Hong KIM, Tae Joon KIM, Eung Kwan LEE
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Publication number: 20220163982Abstract: The flow rate control device includes a main plate corresponding to an inner diameter and including a through hole which is formed at the center thereof and through which a fluid flows, a sub-plate corresponding to a size of the through hole, disposed in front of the main plate, and applied with a pressure of the flowing fluid, and an expansion and contraction flow path formed to connect the through hole and a circumference of the sub-plate to each other and expanded and contracted by the pressure applied to the sub-plate. The expansion and contraction flow path includes a plurality of holes which are formed in a side surface thereof and through which the flow flows, and has a cross-sectional area changed by the pressure to control a flow rate.Type: ApplicationFiled: November 17, 2021Publication date: May 26, 2022Inventors: Kwang Kun Park, Jun Seong Lee, Kee Joo Lee
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Publication number: 20220160260Abstract: Disclosed is a biometric signal measuring system which includes an image obtaining unit that obtains an image of a user, an adaptive block module that combines biometric signals extracted from a face region based on the image provided from the image obtaining module and estimates a biometric signal of the user, and a biometric signal output module that outputs the biometric signal estimated from the adaptive block module to the outside.Type: ApplicationFiled: November 12, 2021Publication date: May 26, 2022Inventors: Moonwook RYU, KWANGHYUN SHIM, JUN SEONG LEE, Hyuk JEONG
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Publication number: 20220031718Abstract: An infusion solution composition having enhanced stability is disclosed.Type: ApplicationFiled: October 20, 2021Publication date: February 3, 2022Inventors: Geon Moo Lee, In Seong Lee, Jun Seong Lee, Mi Boon Chung, Jin Kyu Song
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Publication number: 20220020333Abstract: A display device includes: a plurality of pixels; a scan driver configured to supply scan signals of a turn-on level to the scan lines at a cycle of a horizontal synchronization signal; a plurality of first sensors and a plurality of second sensors overlapping at least some of the pixels; and a sensor driver configured to concurrently supply first sensing signals to the first sensors during a first sensing period, to concurrently supply second sensing signals to the second sensors during a second sensing period, and to sequentially supply third sensing signals to the first sensors during a third sensing period, wherein the number of the first sensing signals is an integer greater than 2, wherein the first sensing signals are divided into first groups, and wherein an initial first sensing signal in each of the first groups is synchronized with the horizontal synchronization signal.Type: ApplicationFiled: May 28, 2021Publication date: January 20, 2022Inventors: Hyun Wook CHO, Sang Hyun LIM, Jun Seong LEE
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Publication number: 20210170030Abstract: Disclosed is a stable mixture composition of an amino acid and a sugar, wherein the composition solves the problems of color change and stability reduction at the time of mixing of an amino acid and a sugar.Type: ApplicationFiled: July 24, 2019Publication date: June 10, 2021Inventors: Geon Moo LEE, In Seong LEE, Jun Seong LEE, Mi Boon CHUNG
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Publication number: 20200138839Abstract: An infusion solution composition having enhanced stability is disclosed.Type: ApplicationFiled: March 13, 2018Publication date: May 7, 2020Inventors: Geon Moo LEE, In Seong LEE, Jun Seong LEE, Mi Boon CHUNG, Jin Kyu SONG