Patents by Inventor Min Gyu Choi
Min Gyu 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).
-
Patent number: 12235472Abstract: A display device includes a display panel including a plurality of pixel regions and displaying a picture; and a light path controlling member located on a front surface of the display panel and transmitting the picture output from the display panel, wherein the light path controlling member includes a plurality of separation walls and a plurality of light path portions between the plurality of separation walls, and wherein a period of the light path portion is different from a period of the pixel region.Type: GrantFiled: September 10, 2021Date of Patent: February 25, 2025Assignee: LG Display Co., Ltd.Inventors: Se-Jin Lee, Young-Woong Kim, Seung-Soo Yang, Min-Gyu Choi
-
Publication number: 20240320784Abstract: A method of compensating a display device includes: displaying a first display image of a calibration pattern; generating a first photograph image of the calibration pattern by capturing the first display image; generating a measurement representative position data corresponding to the calibration pattern by measuring the first photograph image; generating a third-order fitting representative position data by performing a two-dimensional third-order fitting; displaying a second display image of a full white display; generating a second photograph image of the full white display by capturing the second display image; generating a first crop image by performing a size adjustment based on the third-order fitting representative position data; calculating a luminance compensation value by comparing a measured luminance of the first crop image with a target luminance; and generating a compensated image data by applying the luminance compensation value to an image data.Type: ApplicationFiled: June 3, 2024Publication date: September 26, 2024Inventors: Min-Gyu Choi, Se-Jin Lee, Dong-Hyeok Kim
-
Patent number: 12039691Abstract: A method of compensating a display device includes: displaying a first display image of a calibration pattern; generating a first photograph image of the calibration pattern by capturing the first display image; generating a measurement representative position data corresponding to the calibration pattern by measuring the first photograph image; generating a third-order fitting representative position data by performing a two-dimensional third-order fitting; displaying a second display image of a full white display; generating a second photograph image of the full white display by capturing the second display image; generating a first crop image by performing a size adjustment based on the third-order fitting representative position data; calculating a luminance compensation value by comparing a measured luminance of the first crop image with a target luminance; and generating a compensated image data by applying the luminance compensation value to an image data.Type: GrantFiled: November 11, 2022Date of Patent: July 16, 2024Assignee: LG Display Co., Ltd.Inventors: Min-Gyu Choi, Se-Jin Lee, Dong-Hyeok Kim
-
Patent number: 11847953Abstract: A display device includes: a substrate having red, first green, second green and blue subpixels; a driving thin film transistor in each of the red, first green, second green and blue subpixels on the substrate; and a light emitting diode connected to the driving thin film transistor and in each of the red, first green, second green and blue subpixels, wherein the light emitting diodes of the red, first green, second green and blue subpixels includes red, first green, second green and blue emission areas, respectively, and wherein the first green emission area has a cross shape.Type: GrantFiled: February 13, 2023Date of Patent: December 19, 2023Assignee: LG Display Co., Ltd.Inventors: Min-Gyu Choi, Se-Jin Lee
-
Publication number: 20230186426Abstract: A method of compensating a display device includes: displaying a first display image of a calibration pattern; generating a first photograph image of the calibration pattern by capturing the first display image; generating a measurement representative position data corresponding to the calibration pattern by measuring the first photograph image; generating a third-order fitting representative position data by performing a two-dimensional third-order fitting; displaying a second display image of a full white display; generating a second photograph image of the full white display by capturing the second display image; generating a first crop image by performing a size adjustment based on the third-order fitting representative position data; calculating a luminance compensation value by comparing a measured luminance of the first crop image with a target luminance; and generating a compensated image data by applying the luminance compensation value to an image data.Type: ApplicationFiled: November 11, 2022Publication date: June 15, 2023Inventors: Min-Gyu Choi, Se-Jin Lee, Dong-Hyeok Kim
-
Publication number: 20230186820Abstract: A display device includes: a substrate having red, first green, second green and blue subpixels; a driving thin film transistor in each of the red, first green, second green and blue subpixels on the substrate; and a light emitting diode connected to the driving thin film transistor and in each of the red, first green, second green and blue subpixels, wherein the light emitting diodes of the red, first green, second green and blue subpixels includes red, first green, second green and blue emission areas, respectively, and wherein the first green emission area has a cross shape.Type: ApplicationFiled: February 13, 2023Publication date: June 15, 2023Inventors: Min-Gyu Choi, Se-Jin Lee
-
Patent number: 11672438Abstract: According to one aspect of the invention, there is provided a method for monitoring hemodynamics, comprising the steps of: acquiring information on a posture of a first subject wearing a monitoring device; estimating a motion artifact predicted to be included in a spectroscopic measurement signal from the first subject which is measured by the monitoring device, with reference to the acquired information on the posture of the first subject, and a motion artifact estimation model for defining a correlation between a posture of at least one subject and a motion artifact occurring in a signal measured from the at least one subject; and removing the estimated motion artifact from the measurement signal from the first subject.Type: GrantFiled: July 5, 2017Date of Patent: June 13, 2023Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Jong Kwan Choi, Min Gyu Choi, Gun Pil Hwang, Min Su Ji, Jae Myoung Kim
-
Patent number: 11605333Abstract: A display device includes: a substrate having red, first green, second green and blue subpixels; a driving thin film transistor in each of the red, first green, second green and blue subpixels on the substrate; and a light emitting diode connected to the driving thin film transistor and in each of the red, first green, second green and blue subpixels, wherein the light emitting diodes of the red, first green, second green and blue subpixels includes red, first green, second green and blue emission areas, respectively, and wherein the first green emission area has a cross shape.Type: GrantFiled: November 30, 2021Date of Patent: March 14, 2023Assignee: LG Display Co., Ltd.Inventors: Min-Gyu Choi, Se-Jin Lee
-
Publication number: 20220208068Abstract: A display device includes: a substrate having red, first green, second green and blue subpixels; a driving thin film transistor in each of the red, first green, second green and blue subpixels on the substrate; and a light emitting diode connected to the driving thin film transistor and in each of the red, first green, second green and blue subpixels, wherein the light emitting diodes of the red, first green, second green and blue subpixels includes red, first green, second green and blue emission areas, respectively, and wherein the first green emission area has a cross shape.Type: ApplicationFiled: November 30, 2021Publication date: June 30, 2022Inventors: Min-Gyu Choi, Se-Jin Lee
-
Publication number: 20220187505Abstract: A display device includes a display panel including a plurality of pixel regions and configured to display a picture or an image, and a microlens array disposed on a front surface of the display panel. The microlens array includes a plurality of microlenses each having a polygonal pattern. Further, the microlenses can have different slanted angles.Type: ApplicationFiled: December 9, 2021Publication date: June 16, 2022Applicant: LG Display Co., Ltd.Inventors: Min-Gyu CHOI, Se-Jin LEE, Dong-Hyeok KIM
-
Publication number: 20220082855Abstract: A display device includes a display panel including a plurality of pixel regions and displaying a picture; and a light path controlling member located on a front surface of the display panel and transmitting the picture output from the display panel, wherein the light path controlling member includes a plurality of separation walls and a plurality of light path portions between the plurality of separation walls, and wherein a period of the light path portion is different from a period of the pixel region.Type: ApplicationFiled: September 10, 2021Publication date: March 17, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Se-Jin LEE, Young-Woong KIM, Seung-Soo YANG, Min-Gyu CHOI
-
Patent number: 11071457Abstract: Disclosed are an apparatus and a method for removing strands of hair from a near-infrared spectroscopy. The apparatus for removing strands of hair from a near-infrared spectroscopy may comprise: an arch-shaped main body worn on the head of a user, having a plurality of protrusions formed at an inner side part of the arch-shaped main body, and configured to expose a portion of scalp by arranging the strands of hair; a probe configured to come into close contact with the scalp; and a sensor configured to be accommodated inside the probe and receive light.Type: GrantFiled: November 14, 2014Date of Patent: July 27, 2021Assignee: Korea Advanced Institute of Science and TechnologyInventors: Hyeon Min Bae, Jae Myoung Kim, Jong Kwan Choi, Min Gyu Choi, Gun Pil Hwang
-
Patent number: 11006900Abstract: The present disclosure relates to a method and a system for standardizing a hemodynamics measurement result and a non-transitory computer-readable recording medium. According to one aspect of the present disclosure, provided is a method for standardizing a measurement result obtained from a device for monitoring hemodynamics, the method comprising the steps of: capturing an image of a subject wearing a monitoring device; defining a photogrammetric coordinate system on the captured image, and converting a preset local coordinate system on the monitoring device into the photogrammetric coordinate system; and converting the photogrammetric coordinate system into a standard coordinate system which is based on a standard space.Type: GrantFiled: July 5, 2017Date of Patent: May 18, 2021Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Gun Pil Hwang, Min Gyu Choi, Jong Kwan Choi, Jae Myoung Kim, Min Su Ji
-
Patent number: 10799164Abstract: Disclosed are a mobile and expandable firmware-based optical spectroscopy system and a method for controlling same. The optical spectroscopy system may comprise: a wearing part attached to a particular region of a subject to irradiate light, on the basis of a firmware, to the particular region and measure the bodily signals of the subject by collecting emergent light which has passed through the particular region; and a monitoring unit, connected to the wearing part via a wired or wireless network, for controlling the strength of the light irradiated from the wearing part.Type: GrantFiled: November 14, 2014Date of Patent: October 13, 2020Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Jae Myoung Kim, Jong Kwan Choi, Min Gyu Choi, Gun Pil Hwang
-
Patent number: 10686192Abstract: The present invention relates to a battery technology, and more particularly, to a current collector that may be widely used in secondary batteries and an electrode employing the same. The current collector according to an embodiment of the present invention includes a conductive substrate; and a conductive fiber layer, which is dispersed on the conductive substrate and comprises pores. The conductive fiber layer comprises a plurality of metal filaments and liner binders mixed with the plurality of metal filaments, and the conductive fiber layer is combined with the conductive substrate via the mixed linear binders.Type: GrantFiled: June 24, 2014Date of Patent: June 16, 2020Assignee: Jenax, Inc.Inventors: Chang Hyeon Kim, Min Gyu Choi, Lee Hyun Shin
-
Patent number: 10667756Abstract: Disclosed are an optical spectroscopy system using a matched filter-based broadband signal receiver for stable data extraction, and a method for controlling the optical spectroscopy system. The optical spectroscopy system may comprise: a light transmission unit for irradiating light on a particular region of a subject by means of a plurality of light sources, wherein the light irradiated from the plurality of light sources is code-modulated by means of the Walsh codes and then irradiated; and a light receiving unit for detecting emergent light which has passed through the particular region, wherein the light source is identified by demodulating the light by means of the Walsh codes.Type: GrantFiled: November 14, 2014Date of Patent: June 2, 2020Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min Bae, Jong Kwan Choi, Min Gyu Choi, Jae Myoung Kim, Gun Pil Hwang
-
Patent number: 10396364Abstract: Provided are a non-woven fabric current collector and a method and system of fabricating a battery using the same. An electrode according to an embodiment of the present invention includes a non-woven fabric current collector including a conductive non-woven fabric sheet including a network of conductive fibers and pores for communication between a main surface and the interior thereof; and conductive patterns partially blocking the pores on the main surface of the conductive non-woven fabric sheet.Type: GrantFiled: June 9, 2014Date of Patent: August 27, 2019Assignee: Jenax Inc.Inventors: Chang Hyeon Kim, Min Gyu Choi, Lee Hyun Shin
-
Patent number: 10379281Abstract: A liquid crystal display device in an example includes a light guide plate that includes a light entering surface facing a light source; a reflecting plate below the light guide plate; an optical sheet on the light guide plate; a liquid crystal panel on the optical sheet; and a pattern adhesive layer that attaches at least one of the reflecting plate and the optical sheet to the light guide plate, wherein the pattern adhesive layer includes honeycomb shaped unit patterns that each include two first separation walls facing each other in a first direction perpendicular to the light entering surface, and second separation walls other than the first separation walls and each have an air cell defined therein, and wherein the unit patterns are arranged in the first direction and in a second direction perpendicular to the first direction.Type: GrantFiled: September 25, 2017Date of Patent: August 13, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Ju-Hun Min, Young-Hun Jeong, Min-Gyu Choi
-
Publication number: 20190216341Abstract: According to one aspect of the invention, there is provided a method for monitoring hemodynamics, comprising the steps of: acquiring information on a posture of a first subject wearing a monitoring device; estimating a motion artifact predicted to be included in a spectroscopic measurement signal from the first subject which is measured by the monitoring device, with reference to the acquired information on the posture of the first subject, and a motion artifact estimation model for defining a correlation between a posture of at least one subject and a motion artifact occurring in a signal measured from the at least one subject; and removing the estimated motion artifact from the measurement signal from the first subject.Type: ApplicationFiled: July 5, 2017Publication date: July 18, 2019Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min BAE, Jong Kwan CHOI, Min Gyu CHOI, Gun Pil HWANG, Min Su JI, Jae Myoung KIM
-
Publication number: 20190192081Abstract: The present disclosure relates to a method and a system for standardizing a hemodynamics measurement result and a non-transitory computer-readable recording medium. According to one aspect of the present disclosure, provided is a method for standardizing a measurement result obtained from a device for monitoring hemodynamics, the method comprising the steps of: capturing an image of a subject wearing a monitoring device; defining a photogrammetric coordinate system on the captured image, and converting a preset local coordinate system on the monitoring device into the photogrammetric coordinate system; and converting the photogrammetric coordinate system into a standard coordinate system which is based on a standard space.Type: ApplicationFiled: July 5, 2017Publication date: June 27, 2019Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyeon Min BAE, Gun Pil HWANG, Min Gyu CHOI, Jong Kwan CHOI, Jae Myoung KIM, Min Su JI