Patents by Inventor Jeong Ok
Jeong Ok 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: 20240161243Abstract: Disclosed are a low-light image improvement apparatus and method. The low-light image improvement apparatus includes: an image component decomposition network module that analyzes a light image, a low-light image, and a mid-light image to decompose reflectance and illumination, respectively, wherein the mid-light image is generated using the light image and the low-light image; and a component improvement network module configured to include a mid-teacher network model that extracts a first feature map with improved reflectance and illumination of the mid-light image using the reflectance and illumination of the light image and a student network module that distills the extracted first feature map and then extracts a second feature map for the reflectance and illumination of the low-light image based on the distilled first feature map and acquires an image with improved light by reflecting a structural component of a multi-band near-infrared image in the second feature map.Type: ApplicationFiled: July 14, 2023Publication date: May 16, 2024Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jong Ok KIM, Tae Hyun KIM, Jeong Hyeok PARK
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Publication number: 20240153831Abstract: An apparatus and method for measuring air currents on the surface of a substrate, which can accurately measure the magnitude and direction of air currents on the surface of a wafer with wafer-type air current measurement sensors, are provided. The apparatus includes: a first air current measurement module measuring a magnitude of air currents on a surface of a first substrate, which is processed in accordance with a semiconductor manufacturing process; a second air current measurement module measuring a movement direction of the air currents; and a power module supplying power to the first and second air current measurement modules, wherein the first air current measurement module, the second air current measurement module, and the power module are mounted on a second substrate, which has the same shape as the first substrate.Type: ApplicationFiled: October 19, 2023Publication date: May 9, 2024Inventors: Yong Jun SEO, Su Jin CHAE, Sang Hyun SON, Sang Min HA, Young Sik BANG, Jeong Mo HWANG, Dong Ok AHN
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Publication number: 20240150588Abstract: The present disclosure relates to an aqueous anti-corrosive paint containing ionized water, and the paint includes a main agent including zinc flakes and a curing agent for curing the main agent, including a silicate-based binder, in which the main agent and the curing agent contain ionized water.Type: ApplicationFiled: July 7, 2023Publication date: May 9, 2024Inventor: Jeong OK Park
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Patent number: 11978398Abstract: A viewing angle switchable display device can include a display panel including a plurality of sub-pixels, where each sub-pixel has a first emission area and a second emission area. The display device can further include a lens over the display panel and corresponding to the second emission area, wherein a size of the second emission area is smaller than a size of the first emission area.Type: GrantFiled: October 31, 2022Date of Patent: May 7, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Soon-Hwan Hong, Seong-Yeong Kim, Ye-Seul Han, Jeong-Ok Jo
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Publication number: 20240144640Abstract: Provided is a method and an apparatus for processing an image based on a neural network. The method includes forming an input image set by combining a visible light image and an infrared image, estimating an illuminant map representing an illuminant configuration of the input image set and a confidence score map representing a correlation between the visible light image and the infrared image, using a neural network model, and determining illuminant information of the visible light image based on the illuminant map and the confidence score map.Type: ApplicationFiled: March 31, 2023Publication date: May 2, 2024Inventors: Jong Ok KIM, Jeong Won HA, Dong Keun HAN
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Patent number: 11973179Abstract: A method of manufacturing a cathode active material for a lithium secondary battery according to embodiments of the present invention includes performing a first heat treatment on a first mixture of a transition metal precursor and a lithium precursor at a first calcination temperature to obtain a preliminary lithium-transition metal composite oxide particle; and performing a second heat treatment on a second mixture obtained by adding the lithium precursor to the preliminary lithium-transition metal composite oxide particle at a second calcination temperature which is lower than the first calcination temperature to form a lithium-transition metal composite oxide particle.Type: GrantFiled: September 22, 2021Date of Patent: April 30, 2024Assignee: SK ON CO., LTD.Inventors: Sang Bok Kim, Jik Soo Kim, Jeong Bae Yoon, Seung Ok Lee, Ji Hoon Choi
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Publication number: 20240119949Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.Type: ApplicationFiled: November 30, 2023Publication date: April 11, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Jeong Il SEO, Seung Kwon BEACK, Dae Young JANG, Kyeong Ok KANG, Tae Jin PARK, Yong Ju LEE, Keun Woo CHOI, Jin Woong KIM
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Publication number: 20240098437Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.Type: ApplicationFiled: December 1, 2023Publication date: March 21, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Yong Ju LEE, Jeong Il SEO, Seung Kwon BEACK, Kyeong Ok KANG, Jin Woong KIM, Jae Hyoun YOO
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Patent number: 11771203Abstract: A cosmetic container system comprises: a first elongate piece having a lengthwise penetration opening and defined by a circular lower periphery and a main periphery extending from the circular lower periphery, wherein the main periphery has at least two elongate openings each open to the penetration opening, wherein the elongate openings are configured to fittingly, detachably hold cosmetic cartridges each carrying a predetermined cosmetic therein; a second elongate piece rotatably engaged over the main periphery to the lower periphery and having a selection opening to selectively choose the cartridges through the selection opening by rotating the lower periphery against the second elongate piece; and a third elongate piece detachably engaged over the first elongate piece further into the lower periphery, wherein the third elongate piece is at least twice a diameter of the lower periphery in length.Type: GrantFiled: August 9, 2019Date of Patent: October 3, 2023Inventor: Soo Jeong Ok
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Publication number: 20230215357Abstract: A viewing angle switchable display device can include a display panel including a plurality of sub-pixels, where each sub-pixel has a first emission area and a second emission area. The display device can further include a lens over the display panel and corresponding to the second emission area, wherein a size of the second emission area is smaller than a size of the first emission area.Type: ApplicationFiled: October 31, 2022Publication date: July 6, 2023Applicant: LG Display Co., Ltd.Inventors: Soon-Hwan HONG, Seong-Yeong KIM, Ye-Seul HAN, Jeong-Ok JO
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Publication number: 20230200413Abstract: A method for preparing shiitake mushrooms with an increased vitamin D2 content includes: (1) a first step of pre-aging shiitake mushrooms at room temperature or less; (2) a second step of aging the pre-aged shiitake mushrooms at room temperature; (3) a third step of chopping the aged shiitake mushrooms; (4) a fourth step of irradiating the chopped shiitake mushrooms with UV-B; (5) a fifth step of thermally treating the shiitake mushroom pieces irradiated with UV-B; and (6) a sixth step of crushing the thermally treated shiitake mushroom pieces.Type: ApplicationFiled: December 21, 2020Publication date: June 29, 2023Applicants: HK BIOTECH CO.,LTD.Inventors: Jeong Ok KIM, Yeong Lae HA
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Publication number: 20230206838Abstract: An organic light emitting diode display device can include a driving transistor, a first transistor connected to the driving transistor, a second transistor connected between a data voltage and the driving transistor, a third transistor connected between a high level voltage and the driving transistor, a fourth transistor connected to the driving transistor, a fifth transistor connected between an initial voltage and the driving transistor, a sixth transistor connected to the initial voltage, a seventh transistor connected to the high level voltage, an eighth transistor connected to a reference voltage, a storage capacitor connected between the driving transistor and the eighth transistor, and a light emitting diode connected between a low level voltage and the fourth transistor.Type: ApplicationFiled: October 17, 2022Publication date: June 29, 2023Applicant: LG Display Co., Ltd.Inventors: MIN-JIC LEE, YE-SEUL HAN, JEONG-OK JO, KWANG-HYUN CHOI
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Publication number: 20230200153Abstract: A foldable display device includes a display panel including a plurality of sub-pixels and having a first shield pattern in a non-folding region and a second shield pattern in a folding region; a cover window over the display panel, wherein an area of the second shield pattern is larger than an area of the first shield pattern.Type: ApplicationFiled: October 28, 2022Publication date: June 22, 2023Applicant: LG DISPLAY CO., LTD.Inventors: Kwang-Hyun CHOI, Min-Jic LEE, Ye-Seul HAN, Jeong-Ok JO
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Publication number: 20230134909Abstract: A defect inspection system may include an information-obtaining module and a defect inspection module. The information obtaining module may be arranged over a transferring apparatus to continuously photograph a surface of a substrate transferred by the transferring apparatus. The defect inspection module may generate an image signal based on information of the substrate provided from the information-obtaining module. The defect inspection module may compare the image signal with a reference to detect a defect of the substrate.Type: ApplicationFiled: April 15, 2022Publication date: May 4, 2023Inventor: Jeong Ok PARK
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Patent number: 11434358Abstract: The present invention relates to a matrix copolymer including a cellulose nanocrystal derivative, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; a graft copolymer including a cellulose nanocrystal derivative, a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; and a thermoplastic resin composition including at least one thereof. In accordance with the present invention, provided is a thermoplastic resin composition having improved processability, impact strength, tensile strength and chemical resistance while maintaining transparency.Type: GrantFiled: May 14, 2019Date of Patent: September 6, 2022Assignee: LG CHEM, LTD.Inventors: Hye Jeong Ok, Seok Goo Jang, Sang Hoo Park, Hyung Seop Shim, Jeong Su Choi, Keun Hoon Yoo, Won Seok Lee, Roo Da Lee, Ho Hoon Kim, Jong Ju Lee
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Patent number: 11421103Abstract: The present invention relates to a method for preparing a graft copolymer powder, which includes: performing emulsion polymerization of a conjugated diene polymer, an aromatic vinyl monomer and an alkyl (meth)acrylate monomer to prepare a graft copolymer latex; coagulating the graft copolymer latex; aging the coagulated graft copolymer; preparing a wet powder of the graft copolymer by dehydrating the aged graft copolymer; and adding poly(oxyalkylene)diglycolic acid to the wet powder of the graft copolymer.Type: GrantFiled: November 9, 2018Date of Patent: August 23, 2022Assignee: LG CHEM, LTDInventors: Jong Ju Lee, Jeong Su Choi, Won Seok Lee, Roo Da Lee, Ho Hoon Kim, Keun Hoon Yoo, Seok Goo Jang, Sang Hoo Park, Hye Jeong Ok, Hyung Seop Shim
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Patent number: 11312852Abstract: The present invention relates to a method for preparing a graft copolymer complex, a copolymer complex prepared by the method, and a thermoplastic resin composition comprising the copolymer complex, wherein the method comprises emulsion-polymerizing a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer to prepare a graft copolymer latex; and adding an imidazole-based ionic compound to the graft copolymer latex and coagulating the same.Type: GrantFiled: October 2, 2018Date of Patent: April 26, 2022Assignee: LG CHEM, LTD.Inventors: Sang Hoo Park, Seok Goo Jang, Hye Jeong Ok, Ho Hoon Kim, Hyung Seop Shim, Jeong Su Choi, Keun Hoon Yoo, Won Seok Lee, Roo Da Lee, Jong Ju Lee
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Patent number: 11267964Abstract: The present invention relates to a thermoplastic resin composition showing excellent transparency and whitening resistance. The thermoplastic resin composition of the present invention comprises (A) a graft copolymer having a multilayer structure and (B) a thermoplastic copolymer, wherein the graft copolymer having a multilayer structure (A) comprises a core of a conjugated diene-based rubber latex having a weight average particle diameter of 500 ? to 2,000 ?; an intermediate layer; and a graft layer. The glass transition temperature of the intermediate layer is 40° C. or less, the glass transition temperature of the graft layer is 80° C. or more, and the refractive index difference between the graft copolymer (A) and the thermoplastic copolymer (B) is less than 0.01.Type: GrantFiled: September 20, 2018Date of Patent: March 8, 2022Assignee: LG CHEM, LTD.Inventors: Jeong Su Choi, Won Seok Lee, Roo Da Lee, Jong Ju Lee, Keun Hoon Yoo, Seok Goo Jang, Sang Hoo Park, Hye Jeong Ok, Ho Hoon Kim, Hyung Seop Shim
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Publication number: 20210292538Abstract: The present invention relates to a method for preparing a graft copolymer powder, which includes: performing emulsion polymerization of a conjugated diene polymer, an aromatic vinyl monomer and an alkyl (meth)acrylate monomer to prepare a graft copolymer latex; coagulating the graft copolymer latex; aging the coagulated graft copolymer; preparing a wet powder of the graft copolymer by dehydrating the aged graft copolymer; and adding poly(oxyalkylene)diglycolic acid to the wet powder of the graft copolymer.Type: ApplicationFiled: November 9, 2018Publication date: September 23, 2021Inventors: Jong Ju LEE, Jeong Su CHOI, Won Seok LEE, Roo Da LEE, Ho Hoon KIM, Keun Hoon YOO, Seok Goo JANG, Sang Hoo PARK, Hye Jeong OK, Hyung Seop SHIM
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Patent number: 10941289Abstract: A graft copolymer, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition are described herein. A graft copolymer having a shell in which silica modified with a specific compound is dispersed within a specific content range, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition are also described herein. Since silica modified with a specific compound is dispersed in the periphery of rubber particles, that is, in the shell of the graft copolymer, the dispersibility of the graft copolymer may be improved. Therefore, the graft copolymer may have transparency equal to or better than a conventional graft copolymer. In addition, compared to a resin composition having an equivalent rubber content, the thermoplastic resin composition described herein may have excellent physical properties, such as impact strength and tensile strength.Type: GrantFiled: September 4, 2018Date of Patent: March 9, 2021Assignee: LG Chem, LTD.Inventors: Hyung Seop Shim, Won Seok Lee, Seok Goo Jang, Sang Hoo Park, Hye Jeong Ok, Jeong Su Choi, Keun Hoon Yoo, Roo Da Lee, Ho Hoon Kim, Jong Ju Lee