Patents by Inventor Mi Na Kim
Mi Na Kim 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: 20240088531Abstract: The present disclosure relates to an electrode lead for an electrochemical device, including a nickel plating layer disposed on the surface of a metallic terminal, having a surface irregularity structure on the nickel plating layer, and including a polar group-containing coating layer. The present disclosure also relates to an electrochemical device including the electrode lead. The electrode lead for an electrochemical device provides increased binding force between the electrode lead and the lead film by increasing the contact area between the electrode lead and the lead film, while not causing damages upon the surface of the electrode lead.Type: ApplicationFiled: September 26, 2022Publication date: March 14, 2024Applicant: LG Energy Solution, Ltd.Inventors: Mi-Na Kim, Yong-Su Choi, Gyung-Soo Kang
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Publication number: 20240065020Abstract: Disclosed is a light emitting display device configured such that the construction of an electron blocking unit located adjacent to an emission layer is differently applied to subpixels having different turn-on voltages, thereby preventing current leakage and reducing power consumption, thereby improving efficiency and visual sensation of the display device.Type: ApplicationFiled: November 2, 2021Publication date: February 22, 2024Inventor: Mi Na KIM
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Patent number: 11864370Abstract: Present invention relates to a method of fabricating a semiconductor device that can facilitate the processes of etching a supporter and removing a mold layer. According to the present invention, a method of fabricating a semiconductor device semiconductor device comprises: sequentially forming a substructure over a substrate and a etch stop layer over the substructure; forming a stack structure of alternately stacked mold layers and supporter layers over the etch stop layer; forming a plurality of supporter holes in the stack structure exposing the etch stop layer; forming a sacrificial layer filling each of the plurality of the supporter holes; forming a plurality of lower electrode openings exposing the substructure by etching the sacrificial layer and the stack structure; and forming a lower electrode inside the plurality of lower electrode openings.Type: GrantFiled: May 5, 2022Date of Patent: January 2, 2024Assignee: SK hynix Inc.Inventors: Kang Yoo Song, Mi Na Kim
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Publication number: 20230420792Abstract: The present invention relates to a pouch-shaped battery cell with improved safety, and more particularly to a pouch-shaped battery cell including an electrode assembly, a cell case constituted by an upper case and a lower case configured to define a space portion configured to receive the electrode assembly, and a rupture induction portion. The electrode assembly including a negative electrode, a separator, and a positive electrode. Whereby the rapture induction portion is configured to induce rupture of the cell case when the pressure in the cell case increases is provided in the space portion of the cell case.Type: ApplicationFiled: October 5, 2022Publication date: December 28, 2023Applicant: LG Energy Solution, Ltd.Inventors: Gyung Soo Kang, Mi Na Kim, Hyung Kyun Yu
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Publication number: 20230411785Abstract: The present disclosure relates to a lead film for a secondary battery including a fire extinguishing agent in which the sealing property of a battery may be maintained and safety may be improved, and a secondary battery including the lead film. A lead film for a secondary battery according to the present disclosure includes a fire extinguishing agent. According to the present disclosure, because the first extinguishing agent is included in a lead film adjacent to an electrode lead with a large amount of heat, the fire extinguishing agent may quickly operate when a temperature of a battery rises.Type: ApplicationFiled: September 23, 2022Publication date: December 21, 2023Applicant: LG Energy Solution, Ltd.Inventors: Gyung-Soo Kang, Mi-Na Kim, Gi-Moon Gil
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Publication number: 20230380221Abstract: A display device, such an organic light emitting display device is disclosed. The display device includes an insulating film including a concave portion in an area of at least one subpixel, a first electrode on a side portion of the concave portion and on the concave portion in an area of the subpixel, an organic layer overlapping the concave portion and on the first electrode. An organic layer disposed in the at least one blue subpixel may include at least one of a first light emitting dopant with a maximum emission wavelength of 457 nm or less, a second light emitting dopant with a full width at half maximum (FWHM) of 30 nm or less, and/or a third light emitting dopant with the maximum emission wavelength of 457 nm or less and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.Type: ApplicationFiled: July 24, 2023Publication date: November 23, 2023Inventors: Mi-Na Kim, Namseok YOO, JungSun BEAK, Seongjoo LEE, Sunmi LEE
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Publication number: 20230277425Abstract: Provided in the present disclosure is a composition comprising hydroquinone or a derivative thereof as an active ingredient, and characterized in that the hydroquinone or the derivative thereof is stabilized by means of poloxamer. The composition of the present disclosure increases the soluble concentration of the hydroquinone or the derivative thereof, can have high melt stability without precipitation even at high concentration in water, can enhance storage stability by preventing oxidation reaction to external stimulations such as heat, oxygen and light, can prevent discoloration, and thus has reduced toxicity induced by an oxidation product of the hydroquinone and can reduce inflammatory response. Also, the composition of the present disclosure can enhance whitening efficacy by enhancing the skin permeability of the hydroquinone or the derivative thereof by means of micelles, and thus is useful for a whitening activity having hydroquinone or a derivative thereof as an active ingredient.Type: ApplicationFiled: June 18, 2021Publication date: September 7, 2023Applicants: LG HOUSEHOLD & HEALTH CARE LTD., TAI GUK PHARM. IND. CO., LTD.Inventors: Mi-Na KIM, Seung-Hyun JUN, Hyun-Min HWANG, Na-Eun YOOK, Mun-Ju SHIN, Seo-Hun ROH
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Patent number: 11751437Abstract: A display device, such an organic light emitting display device is disclosed. The display device includes an insulating film including a concave portion in an area of at least one subpixel, a first electrode on a side portion of the concave portion and on the concave portion in an area of the subpixel, an organic layer overlapping the concave portion and on the first electrode. An organic layer disposed in the at least one blue subpixel may include at least one of a first light emitting dopant with a maximum emission wavelength of 457 nm or less, a second light emitting dopant with a full width at half maximum (FWHM) of 30 nm or less, and/or a third light emitting dopant with the maximum emission wavelength of 457 nm or less and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.Type: GrantFiled: February 18, 2022Date of Patent: September 5, 2023Assignee: LG Display Co., Ltd.Inventors: Mi-Na Kim, Namseok Yoo, JungSun Beak, Seongjoo Lee, Sunmi Lee
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Patent number: 11720191Abstract: A display device includes: a first substrate including a display area and a non-display area; a second substrate facing the first substrate; a sealing member disposed in the non-display area and coupling the first substrate to the second substrate; a sensing contact area disposed at an inner side of the sealing member; a sensing signal line disposed in the sensing contact area; a sensing contact pattern disposed in the sensing contact area and electrically connected to the sensing signal line; a control signal line disposed between the first substrate and the sensing signal line; and a shielding pattern disposed between the control signal line and the sensing signal line, the shielding pattern overlapping the control signal line or the sensing signal line.Type: GrantFiled: January 13, 2021Date of Patent: August 8, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong Jun Jo, Kwang Chui Jung, Dong Soo Kim, Mi Na Kim
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Publication number: 20230247876Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an initialization voltage line disposed on the substrate and including a first initialization voltage line that extends in a first direction, and a second initialization voltage line that extends in a second direction; and a driving voltage line disposed on the substrate and extending in the second direction, wherein each of the first initialization voltage line and the driving voltage line is connected to at least one of the plurality of transistors, and the second initialization voltage line and the driving voltage line overlap each other.Type: ApplicationFiled: March 29, 2023Publication date: August 3, 2023Inventors: Mi Na KIM, Seul Bee LEE, Kwang-Chul JUNG, Yong Jun JO
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Publication number: 20230217673Abstract: An electroluminescent display device includes a substrate on which a plurality of sub-pixels are defined; a first electrode in each sub-pixel on the substrate; a first hole transporting layer on the first electrode; a second hole transporting layer on the first hole transporting layer; a third hole transporting layer on the second hole transporting layer; a light-emitting material layer on the third hole transporting layer; an electron transporting layer on the light-emitting material layer; and a second electrode on the electron transporting layer, wherein the first hole transporting layer includes a P-type dopant and a first hole transporting material, the second hole transporting layer includes the first hole transporting material, and the third hole transporting layer includes a second hole transporting material, and wherein a total thickness of the first and second hole transporting layers is equal to or greater than a thickness of the third hole transporting layer.Type: ApplicationFiled: September 27, 2022Publication date: July 6, 2023Applicant: LG DISPLAY CO., LTD.Inventors: Mi-Na KIM, Moon-Sung KIL
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Patent number: 11641156Abstract: A method for controlling a fault of a three phase four wire interlinking converter system according to one embodiment of the present disclosure comprises obtaining a first d-q-o coordinate plane based on an internal phase angle of output voltage produced from each phase of an inverter; converting the first d-q-o coordinate plane to a second d-q-o coordinate plane based on the o-axis configured differently from the first d-q-o coordinate plane; obtaining an output voltage vector for determining a fault location by performing d-q transform on the second d-q-o coordinate plane; determining occurrence of a fault and an area related to the fault based on the output voltage vector; and in the occurrence of the fault, allocating a zero voltage vector to the area related to the fault.Type: GrantFiled: June 21, 2021Date of Patent: May 2, 2023Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Chung Yuen Won, Kwang Su Na, Mi Na Kim, Bong Yeon Choi, Kyoung Min Kang, Hoon Lee, Chang Gyun An, Tae Gyu Kim, Jun Sin Yi
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Publication number: 20230110314Abstract: Present invention relates to a method of fabricating a semiconductor device that can facilitate the processes of etching a supporter and removing a mold layer. According to the present invention, a method of fabricating a semiconductor device semiconductor device comprises: sequentially forming a substructure over a substrate and a etch stop layer over the substructure; forming a stack structure of alternately stacked mold layers and supporter layers over the etch stop layer; forming a plurality of supporter holes in the stack structure exposing the etch stop layer; forming a sacrificial layer filling each of the plurality of the supporter holes; forming a plurality of lower electrode openings exposing the substructure by etching the sacrificial layer and the stack structure; and forming a lower electrode inside the plurality of lower electrode openings.Type: ApplicationFiled: May 5, 2022Publication date: April 13, 2023Inventors: Kang Yoo SONG, Mi Na KIM
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Patent number: 11621314Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an initialization voltage line disposed on the substrate and including a first initialization voltage line that extends in a first direction, and a second initialization voltage line that extends in a second direction; and a driving voltage line disposed on the substrate and extending in the second direction, wherein each of the first initialization voltage line and the driving voltage line is connected to at least one of the plurality of transistors, and the second initialization voltage line and the driving voltage line overlap each other.Type: GrantFiled: April 1, 2021Date of Patent: April 4, 2023Inventors: Mi Na Kim, Seul Bee Lee, Kwang-Chul Jung, Yong Jun Jo
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Patent number: 11404955Abstract: A method for controlling a fault of a three phase four wire interlinking converter system according to one embodiment of the present disclosure comprises obtaining a first d-q-o coordinate plane based on an internal phase angle of output voltage produced from each phase of an inverter; converting the first d-q-o coordinate plane to a second d-q-o coordinate plane based on the o-axis configured differently from the first d-q-o coordinate plane; obtaining an output voltage vector for determining a fault location by performing d-q transform on the second d-q-o coordinate plane; determining occurrence of a fault and an area related to the fault based on the output voltage vector; and in the occurrence of the fault, allocating a zero voltage vector to the area related to the fault.Type: GrantFiled: September 3, 2021Date of Patent: August 2, 2022Assignee: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Chung Yuen Won, Kwang Su Na, Mi Na Kim, Bong Yeon Choi, Kyoung Min Kang, Hoon Lee, Chang Gyun An, Tae Gyu Kim, Jun Sin Yi
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Publication number: 20220173183Abstract: A display device, such an organic light emitting display device is disclosed. The display device includes an insulating film including a concave portion in an area of at least one subpixel, a first electrode on a side portion of the concave portion and on the concave portion in an area of the subpixel, an organic layer overlapping the concave portion and on the first electrode. An organic layer disposed in the at least one blue subpixel may include at least one of a first light emitting dopant with a maximum emission wavelength of 457 nm or less, a second light emitting dopant with a full width at half maximum (FWHM) of 30 nm or less, and/or a third light emitting dopant with the maximum emission wavelength of 457 nm or less and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Inventors: Mi-Na Kim, Namseok Yoo, JungSun Beak, Seongjoo Lee, Sunmi Lee
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Patent number: 11289557Abstract: A display device, such an organic light emitting display device is disclosed. The display device includes an insulating film including a concave portion in an area of at least one subpixel, a first electrode on a side portion of the concave portion and on the concave portion in an area of the subpixel, an organic layer overlapping the concave portion and on the first electrode. An organic layer disposed in the at least one blue subpixel may include at least one of a first light emitting dopant with a maximum emission wavelength of 457 nm or less, a second light emitting dopant with a full width at half maximum (FWHM) of 30 nm or less, and/or a third light emitting dopant with the maximum emission wavelength of 457 nm or less and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.Type: GrantFiled: August 4, 2020Date of Patent: March 29, 2022Assignee: LG Display Co., Ltd.Inventors: Mi-Na Kim, Namseok Yoo, JungSun Baek, Seongjoo Lee, Sunmi Lee
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Publication number: 20220069049Abstract: A display device includes: a substrate; a plurality of transistors disposed on the substrate; an initialization voltage line disposed on the substrate and including a first initialization voltage line that extends in a first direction, and a second initialization voltage line that extends in a second direction; and a driving voltage line disposed on the substrate and extending in the second direction, wherein each of the first initialization voltage line and the driving voltage line is connected to at least one of the plurality of transistors, and the second initialization voltage line and the driving voltage line overlap each other.Type: ApplicationFiled: April 1, 2021Publication date: March 3, 2022Inventors: Mi Na KIM, Seul Bee LEE, Kwang-Chul JUNG, Yong Jun JO
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Publication number: 20220045297Abstract: A display panel can include first, second and third subpixels on a substrate; an overcoat layer in the first, second and third subpixels; a concave area and a convex area in the overcoat layer in at least one of the first, second and third subpixels, the concave area being connected to the convex area through a first inclined surface of the overcoat layer; first, second and third anode electrodes corresponding to the first, second and third subpixels, respectively, at least one of the first, second and third anode electrodes includes a second inclined surface overlapping with the first inclined surface of the overcoat layer; first, second and third organic light emitting layers on the first, second and third anode electrodes, respectively; and a bank layer on the overcoat layer, the bank layer including a third inclined surface, at least one of the first, second and third inclined surfaces reflects light.Type: ApplicationFiled: October 25, 2021Publication date: February 10, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Mi-Na KIM, JungSun BAEK, Seongjoo LEE, Sunmi LEE, Namseok YOO
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Publication number: 20220045601Abstract: A method for controlling a fault of a three phase four wire interlinking converter system according to one embodiment of the present disclosure comprises obtaining a first d-q-o coordinate plane based on an internal phase angle of output voltage produced from each phase of an inverter; converting the first d-q-o coordinate plane to a second d-q-o coordinate plane based on the o-axis configured differently from the first d-q-o coordinate plane; obtaining an output voltage vector for determining a fault location by performing d-q transform on the second d-q-o coordinate plane; determining occurrence of a fault and an area related to the fault based on the output voltage vector; and in the occurrence of the fault, allocating a zero voltage vector to the area related to the fault.Type: ApplicationFiled: September 3, 2021Publication date: February 10, 2022Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Chung Yuen WON, Kwang Su NA, Mi Na KIM, Bong Yeon CHOI, Kyoung Min KANG, Hoon LEE, Chang Gyun AN, Tae Gyu KIM, Jun Sin YI