Patents by Inventor Kyung-Moon KO
Kyung-Moon KO 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: 12253650Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has a ratio of the reflectance at a wavelength of 400 nm to the reflectance at a wavelength of 550 nm of 1.3 to 2.7, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.Type: GrantFiled: March 16, 2021Date of Patent: March 18, 2025Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Kyung Moon Ko, Yeongrae Chang
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Patent number: 12253651Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has an absolute value of b* value in a CIE Lab color space of 4 or less, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.Type: GrantFiled: March 16, 2021Date of Patent: March 18, 2025Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Kyung Moon Ko, Yeongrae Chang
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Patent number: 12204127Abstract: An optical laminate or a reddening-resistant layer. The optical laminate that does not cause a reddening phenomenon even when driven or maintained under extremely harsh conditions (e.g., very high temperature conditions), or a reddening-resistant layer applied thereto.Type: GrantFiled: January 31, 2020Date of Patent: January 21, 2025Assignee: LG CHEM, LTD.Inventors: Na Young Shin, Kyun Il Rah, Jin Seok Byun, Yeong Rae Chang, Kyung Moon Ko
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Patent number: 12174408Abstract: The present disclosure relates to an anti-reflective film capable of realizing high scratch resistance and anti-fouling property simultaneously while having low reflectance and high light transmittance deviation, and further capable of enhancing screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.Type: GrantFiled: May 20, 2020Date of Patent: December 24, 2024Assignee: LG CHEM, LTD.Inventors: So Young Kim, Jinseok Byun, Kyung Moon Ko, Jin Yeung Lee
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Patent number: 12072468Abstract: The present disclosure relates to a cover window for a flexible display device comprising: a light-transmitting substrate; and a first hard coating layer and a second hard coating layer which are formed on both sides of the light-transmitting substrate, respectively, wherein each of the first hard coating layer and the second hard coating layer has IR spectra in which a ratio of the amide C?O peak to the ester C?O peak is in a predetermined range, and a flexible display device including the cover window for a flexible display device.Type: GrantFiled: May 15, 2020Date of Patent: August 27, 2024Assignee: LG CHEM, LTD.Inventors: Jin Young Park, Hanna Lee, Kyung Moon Ko, Yongjoon Heo, Yeongrae Chang, Jong Soo Do
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Patent number: 12050304Abstract: The present disclosure relates to an anti-reflective film capable of simultaneously realizing high scratch resistance and antifouling property, and increasing a screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.Type: GrantFiled: February 24, 2020Date of Patent: July 30, 2024Assignee: LG CHEM, LTD.Inventors: Kyung Moon Ko, Jinseok Byun, Changoh Kim, Yeongrae Chang
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Patent number: 11732142Abstract: The present invention relates to an anti-reflective film having mechanical properties such as high abrasion resistance and scratch resistance and excellent optical properties, and a polarizing plate and a display apparatus including the same.Type: GrantFiled: May 14, 2019Date of Patent: August 22, 2023Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Kyung Moon Ko, Sang Heon Lee, Kwangseok Seo, Yeongrae Chang
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Patent number: 11724944Abstract: A compound semiconductor which has an improved thermoelectric performance index together with excellent electrical conductivity, and thus may be utilized for various purposes such as a thermoelectric conversion material of thermoelectric conversion devices, solar cells, and the like, and to a method for preparing the same.Type: GrantFiled: December 20, 2017Date of Patent: August 15, 2023Assignee: LG CHEM, LTD.Inventors: Kyung Moon Ko, Cheol Hee Park, Min Kyoung Kim, Chee Sung Park, Myung Jin Jung, Yu Ho Min
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Publication number: 20230003921Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has a ratio of the reflectance at a wavelength of 400 nm to the reflectance at a wavelength of 550 nm of 1.3 to 2.7, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.Type: ApplicationFiled: March 16, 2021Publication date: January 5, 2023Applicant: LG CHEM, LTD.Inventors: Jinseok BYUN, Kyung Moon KO, Yeongrae CHANG
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Publication number: 20220381954Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has an absolute value of b* value in a CIE Lab color space of 4 or less, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.Type: ApplicationFiled: March 16, 2021Publication date: December 1, 2022Applicant: LG CHEM, LTD.Inventors: Jinseok BYUN, Kyung Moon KO, Yeongrae CHANG
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Publication number: 20220274845Abstract: A compound semiconductor which has an improved thermoelectric performance index together with excellent electrical conductivity, and thus may be utilized for various purposes such as a thermoelectric conversion material of thermoelectric conversion devices, solar cells, and the like, and to a method for preparing the same.Type: ApplicationFiled: December 20, 2017Publication date: September 1, 2022Applicant: LG CHEM, LTD.Inventors: Kyung Moon KO, Cheol Hee PARK, Min Kyoung KIM, Chee Sung PARK, Myung Jin JUNG, Yu Ho MIN
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Publication number: 20220196898Abstract: An optical laminate or a reddening-resistant layer. The optical laminate that does not cause a reddening phenomenon even when driven or maintained under extremely harsh conditions (e.g., very high temperature conditions), or a reddening-resistant layer applied thereto.Type: ApplicationFiled: January 31, 2020Publication date: June 23, 2022Inventors: Na Young SHIN, Kyun Il RAH, Jin Seok BYUN, Yeong Rae CHANG, Kyung Moon KO
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Chalcogen-containing compound, its preparation method and thermoelectric element comprising the same
Patent number: 11358864Abstract: A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability at a low temperature, particularly at a temperature corresponding to the driving temperature of a thermoelectric element, and also exhibits an excellent thermoelectric performance index through an increase in a power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same: V1-xMxSn4Bi2Se7-yTey??[Chemical Formula 1] In the above Formula 1, V is a vacancy, M is an alkali metal, x is greater than 0 and less than 1, and y is greater than 0 and less than or equal to 1.Type: GrantFiled: May 30, 2018Date of Patent: June 14, 2022Assignee: LG CHEM, LTD.Inventors: Min Kyoung Kim, Yu Ho Min, Cheol Hee Park, Kyung Moon Ko, Chee Sung Park, Myung Jin Jung -
Publication number: 20220171099Abstract: The present disclosure relates to a cover window for a flexible display device comprising: a light-transmitting substrate; and a first hard coating layer and a second hard coating layer which are formed on both sides of the light-transmitting substrate, respectively, wherein each of the first hard coating layer and the second hard coating layer has IR spectra in which a ratio of the amide C?O peak to the ester C?O peak is in a predetermined range, and a flexible display device including the cover window for a flexible display device.Type: ApplicationFiled: May 15, 2020Publication date: June 2, 2022Applicant: LG CHEM, LTD.Inventors: Jin Young PARK, Hanna LEE, Kyung Moon KO, Yongjoon HEO, Yeongrae CHANG, Jong Soo DO
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Publication number: 20220120952Abstract: The present disclosure relates to an anti-reflective film capable of realizing high scratch resistance and anti-fouling property simultaneously while having low reflectance and high light transmittance deviation, and further capable of enhancing screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.Type: ApplicationFiled: May 20, 2020Publication date: April 21, 2022Applicant: LG CHEM, LTD.Inventors: So Young KIM, Jinseok BYUN, Kyung Moon KO, Jin Yeung LEE
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Chalcogen-containing compound, its preparation method and thermoelectric element comprising the same
Patent number: 11306004Abstract: A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability at a temperature corresponding to the driving temperature of a thermoelectric element, and also exhibits an excellent thermoelectric performance index (ZT) through an increase in a power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same: V1-xMxSn4-yPbyBi2Se7-zTez??[Chemical Formula 1] In the above Formula 1, V is a vacancy, M is an alkali metal, x is greater than 0 and less than 1, y is greater than 0 and less than 4, and z is greater than 0 and less than or equal to 1.Type: GrantFiled: May 11, 2018Date of Patent: April 19, 2022Assignee: LG CHEM, LTD.Inventors: Min Kyoung Kim, Yu Ho Min, Cheol Hee Park, Kyung Moon Ko, Chee Sung Park, Jae Hyun Kim, Myung Jin Jung -
Chalcogen-containing compound, its preparation method and thermoelectric element comprising the same
Patent number: 11309476Abstract: The present invention relates to a novel chalcogen-containing compound that exhibits excellent phase stability even at a temperature corresponding to the driving temperature of a thermoelectric element, and has a high output factor and thermoelectric figure of merit, a method for preparing the same, and a thermoelectric element including the same.Type: GrantFiled: March 19, 2018Date of Patent: April 19, 2022Assignee: LG CHEM, LTD.Inventors: Yu Ho Min, Min Kyoung Kim, Cheol Hee Park, Kyung Moon Ko, Chee Sung Park, Myung Jin Jung -
Patent number: 11162159Abstract: The present invention provides a novel compound semiconductor that has improved thermoelectric figure of merit as well as excellent electric conductivity, and thus, can be applied for various uses such as thermoelectric conversion material of a thermoelectric conversion device, a solar battery, and the like, and a method for preparing the same.Type: GrantFiled: December 22, 2017Date of Patent: November 2, 2021Assignee: LG CHEM, LTD.Inventors: Kyung Moon Ko, Min Kyoung Kim, Cheol Hee Park, Chee Sung Park, Myung Jin Jung, Yu Ho Min
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Publication number: 20210325569Abstract: The present disclosure relates to an anti-reflective film capable of simultaneously realizing high scratch resistance and antifouling property, and increasing a screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.Type: ApplicationFiled: February 24, 2020Publication date: October 21, 2021Applicant: LG CHEM, LTD.Inventors: Kyung Moon KO, Jinseok BYUN, Changoh KIM, Yeongrae CHANG
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Publication number: 20210309863Abstract: The invention relates to an anti-reflective film that has low reflectance deviation and light transmittance deviation, can simultaneously realize high scratch resistance and anti-fouling property, and can increase screen sharpness of a display apparatus, a polarizing plate and a display apparatus comprising the same.Type: ApplicationFiled: May 28, 2020Publication date: October 7, 2021Applicant: LG CHEM, LTD.Inventors: Jinseok BYUN, So Young KIM, Kyung Moon KO, Sang Heon LEE, Intaek SONG, Yeongrae CHANG