Patents by Inventor Ji-Hwa Lee
Ji-Hwa 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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Publication number: 20240120177Abstract: A substrate processing method is provided. The substrate processing method comprises loading a substrate onto a substrate support inside a chamber, forming a plasma inside the chamber, providing a first DC pulse signal to an electromagnet that generates a magnetic field inside the chamber and processing the substrate with the plasma, wherein the first DC pulse signal is repeated at a first period including a first section and a second section subsequent to the first section, the first DC pulse signal has a first level during the first section, and the first DC pulse signal has a second level different from the first level during the second section.Type: ApplicationFiled: September 19, 2023Publication date: April 11, 2024Inventors: Ji Mo LEE, Dong Hyeon NA, Myeong Soo SHIN, Woong Jin CHEON, Kyung-Sun KIM, Jae Bin KIM, Tae-Hwa KIM, Seung Bo SHIM
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Publication number: 20240107143Abstract: A display device includes a display portion including a first surface, from which light is emitted in a first direction, and a second surface opposite to the first surface, a first optical portion disposed on the first surface, and a second optical portion disposed on the first surface to be spaced apart from the first optical portion in a second direction crossing the first direction. Each of the first and second optical portions includes a multi-channel lens through which the light from the first surface passes, a first infrared light source, a first camera, and a first lens frame coupled to the multi-channel lens in the first direction to support at least a portion of the multi-channel lens. The first lens frame may include a first recess structure in which the first infrared light source is disposed and a second recess structure in which the first camera is disposed.Type: ApplicationFiled: July 20, 2023Publication date: March 28, 2024Inventors: Ji Won LEE, Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
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Patent number: 11917898Abstract: A display device includes: a substrate including a display area and a folding area positioned in a portion of the display area; a display structure disposed on the substrate; a protection film disposed on the substrate and overlapping the folding area; an adhesive member disposed between the protection film and the substrate, wherein the protection film adheres to the substrate by the adhesive member; a first antistatic layer disposed between the protection film and the adhesive member, wherein the first antistatic layer includes a first compound; a second antistatic layer disposed on a bottom surface of the protection film, wherein the second antistatic layer includes a second compound; and a supporting member disposed on the second antistatic layer, wherein the supporting member includes an opening overlapping the folding area.Type: GrantFiled: October 31, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung June Park, Jung-Hun Lee, Ji Hwa Lee
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Patent number: 11594262Abstract: Provided is a semiconductor package. The semiconductor package comprises a semiconductor chip on a substrate, a voltage measurement circuit configured to measure an external voltage to be input into the semiconductor chip and a thermoelectric module configured to convert heat released from the semiconductor chip into an auxiliary power, and configured to apply the auxiliary power to the semiconductor chip, the thermoelectric module being separated from the voltage measurement circuit, wherein the voltage measurement circuit is configured to control the thermoelectric module to apply the auxiliary power to the semiconductor chip in response to a change in the external voltage.Type: GrantFiled: April 23, 2021Date of Patent: February 28, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Ji Hwa Lee, Kyung Duk Lee
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Publication number: 20230052530Abstract: A display device includes: a substrate including a display area and a folding area positioned in a portion of the display area; a display structure disposed on the substrate; a protection film disposed on the substrate and overlapping the folding area; an adhesive member disposed between the protection film and the substrate, wherein the protection film adheres to the substrate by the adhesive member; a first antistatic layer disposed between the protection film and the adhesive member, wherein the first antistatic layer includes a first compound; a second antistatic layer disposed on a bottom surface of the protection film, wherein the second antistatic layer includes a second compound; and a supporting member disposed on the second antistatic layer, wherein the supporting member includes an opening overlapping the folding area.Type: ApplicationFiled: October 31, 2022Publication date: February 16, 2023Inventors: Sung June PARK, Jung-Hun LEE, Ji Hwa LEE
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Patent number: 11489120Abstract: A display device includes: a substrate including a display area and a folding area positioned in a portion of the display area; a display structure disposed on the substrate; a protection film disposed on the substrate and overlapping the folding area; an adhesive member disposed between the protection film and the substrate, wherein the protection film adheres to the substrate by the adhesive member; a first antistatic layer disposed between the protection film and the adhesive member, wherein the first antistatic layer includes a first compound; a second antistatic layer disposed on a bottom surface of the protection film, wherein the second antistatic layer includes a second compound; and a supporting member disposed on the second antistatic layer, wherein the supporting member includes an opening overlapping the folding area.Type: GrantFiled: October 29, 2020Date of Patent: November 1, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung June Park, Jung-Hun Lee, Ji Hwa Lee
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Publication number: 20220105706Abstract: The present disclosure relates to a display device including a display panel, a protection layer on the display panel, and a first adhesive layer between the display panel and the protection layer. The first adhesive layer may contain 0.05 wt % to 1 wt % of a silane coupling agent, and the first adhesive layer may have creep of 20% or less at 60° C.Type: ApplicationFiled: June 7, 2021Publication date: April 7, 2022Inventors: Eun Kyung Park, Gil Yeong Park, Jung Yeong Seol, You Gyoung Lee, Ji Hwa Lee
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Publication number: 20210351103Abstract: Provided is a semiconductor package. The semiconductor package comprises a semiconductor chip on a substrate, a voltage measurement circuit configured to measure an external voltage to be input into the semiconductor chip and a thermoelectric module configured to convert heat released from the semiconductor chip into an auxiliary power, and configured to apply the auxiliary power to the semiconductor chip, the thermoelectric module being separated from the voltage measurement circuit, wherein the voltage measurement circuit is configured to control the thermoelectric module to apply the auxiliary power to the semiconductor chip in response to a change in the external voltage.Type: ApplicationFiled: April 23, 2021Publication date: November 11, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Ji Hwa LEE, Kyung Duk LEE
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Publication number: 20210255670Abstract: A display device includes a display panel, and a front stacked structure on a front surface of the display panel, where the front stacked structure includes a cover window and a bonding member, the bonding member includes a window bonding member attached to the cover window, the cover window includes ultra-thin glass, and the window bonding member includes a silane compound containing an epoxy series reactive functional group.Type: ApplicationFiled: October 28, 2020Publication date: August 19, 2021Inventors: Chan Song LEE, Eun Kyung PARK, You Gyoung LEE, Ji Hwa LEE
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Publication number: 20210210690Abstract: A display device includes: a substrate including a display area and a folding area positioned in a portion of the display area; a display structure disposed on the substrate; a protection film disposed on the substrate and overlapping the folding area; an adhesive member disposed between the protection film and the substrate, wherein the protection film adheres to the substrate by the adhesive member; a first antistatic layer disposed between the protection film and the adhesive member, wherein the first antistatic layer includes a first compound; a second antistatic layer disposed on a bottom surface of the protection film, wherein the second antistatic layer includes a second compound; and a supporting member disposed on the second antistatic layer, wherein the supporting member includes an opening overlapping the folding area.Type: ApplicationFiled: October 29, 2020Publication date: July 8, 2021Inventors: Sung June PARK, Jung-Hun LEE, Ji Hwa LEE
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Patent number: 10399295Abstract: A passive electrical article including a dielectric layer having a nonwoven material.Type: GrantFiled: July 12, 2016Date of Patent: September 3, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Rui Yang, Guoping Mao, Dipankar Ghosh, Ji-Hwa Lee, Seungbae Min, Justine A. Mooney
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Patent number: 9893373Abstract: An electrolyte membrane having a proton conducting polymer reinforced with a nanofiber mat made from a nanofiber comprising a fiber material selected from polymers and polymer blends; wherein the fiber material has a fiber material proton conductivity; wherein the proton conducting polymer has a proton conducting polymer conductivity; and wherein the fiber material proton conductivity is less than the proton conducting polymer conductivity, and methods of making. In some embodiments, the nanofiber further comprises a proton conducting polymer.Type: GrantFiled: May 18, 2011Date of Patent: February 13, 2018Assignee: 3M Innovative Properties CompanyInventors: Michael Andrew Yandrasits, Ji-Hwa Lee, Youngdon Yi, Daniel McGregor Pierpont, Steven Joseph Hamrock, Mark Albert Schonewill
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Patent number: 9626102Abstract: A method for controlling a screen of an electronic device is provided. The method includes displaying a plurality of subscreens by dividing a screen, the plurality of subscreens comprising an overlapping region of a certain area with a neighboring subscreen, selecting one of the plurality of subscreens, displaying the selected one of the plurality of subscreen in a mirroring region, and displaying, when receiving a user drag from the selected one of the plurality of subscreens displayed in the mirroring region to a neighboring screen comprising the overlapping region with the selected one of the plurality of subscreens, the neighboring screen comprising the overlapping region with the selected one of the plurality of subscreens, in the mirroring region according to the drag.Type: GrantFiled: December 10, 2014Date of Patent: April 18, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Se-Hoon Kim, Ye-Ni Lee, Jong-Pil Yi, Ji-Hwa Lee
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Publication number: 20160318279Abstract: A passive electrical article including a dielectric layer having a nonwoven material.Type: ApplicationFiled: July 12, 2016Publication date: November 3, 2016Inventors: Rui Yang, Guoping Mao, Dipankar Ghosh, Ji-Hwa Lee, Seungbae Min, Justine A. Mooney
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Publication number: 20150169141Abstract: A method for controlling a screen of an electronic device is provided. The method includes displaying a plurality of subscreens by dividing a screen, the plurality of subscreens comprising an overlapping region of a certain area with a neighboring subscreen, selecting one of the plurality of subscreens, displaying the selected one of the plurality of subscreen in a mirroring region, and displaying, when receiving a user drag from the selected one of the plurality of subscreens displayed in the mirroring region to a neighboring screen comprising the overlapping region with the selected one of the plurality of subscreens, the neighboring screen comprising the overlapping region with the selected one of the plurality of subscreens, in the mirroring region according to the drag.Type: ApplicationFiled: December 10, 2014Publication date: June 18, 2015Inventors: Se-Hoon KIM, Ye-Ni LEE, Jong-Pil YI, Ji-Hwa LEE
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Publication number: 20140352031Abstract: A mask pack impregnated with a liquid cosmetic preparation, being applied to a human skin surface, in particular a facial skin surface. The mask pack includes a nonwoven fabric layer and a nanofiber layer including a hydrophilic polymer, wherein said nanofiber layer is bonded to the nonwoven fabric layer.Type: ApplicationFiled: November 16, 2012Publication date: December 4, 2014Inventors: Bo-Kyung Choi, Ji-Hwa Lee
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Patent number: 8576357Abstract: In a liquid crystal display (LCD), for example an LCD monitor or an LCD-TV, a number of light management films, including a diffuser layer, lie between the light source and the LCD panel to provide bright, uniform illumination. In some embodiments, the diffuser layer is attached to the lower side of the LCD panel. Some, or all, of the light management layers may be attached together as a laminated stack of films. In some embodiments, the diffuser layer is formed with a recessed region on one side and another optical film positioned within the recessed region.Type: GrantFiled: March 15, 2010Date of Patent: November 5, 2013Assignee: 3M Innovative Properties CompanyInventors: Mark D. Gehlsen, Linda M. Rivard, Ryan T. Fabick, James W. Laumer, Kenneth A. Epstein, Byung-soo Ko, Ji-Hyung Kim, Sang-Dae Kim, Ji-Hwa Lee
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Patent number: 8520165Abstract: Optical film laminates of birefringent polyester films and adhesive are disclosed. The laminates have a thickness of at least 10 mils (0.25 mm). The laminates of the invention are useful in displays having a diagonal of 37 in (94 cm) or greater.Type: GrantFiled: December 8, 2008Date of Patent: August 27, 2013Assignee: 3M Innovative Properties CompanyInventors: Lowell C. Frank, Stephen A. Johnson, Ji-Hyung Kim, Byung-Soo Ko, Ji-Hwa Lee, Yufeng Liu
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Publication number: 20130101918Abstract: An electrolyte membrane having a proton conducting polymer reinforced with a nanofiber mat made from a nanofiber comprising a fiber material selected from polymers and polymer blends; wherein the fiber material has a fiber material proton conductivity; wherein the proton conducting polymer has a proton conducting polymer conductivity; and wherein the fiber material proton conductivity is less than the proton conducting polymer conductivity, and methods of making. In some embodiments, the nanofiber further comprises a proton conducting polymer.Type: ApplicationFiled: May 18, 2011Publication date: April 25, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Michael A. Yandrasits, Ji-Hwa Lee, Youngdon Yi, Daniel M. Pierpont, Steven J. Hamrock, Mark A. Schonewill
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Patent number: 8125589Abstract: In a directly-illuminated liquid crystal display (LCD), for example an LCD monitor or an LCD-TV, a number of light management films, including a diffuser layer, lie between the light source and the LCD panel to provide bright, uniform illumination. The diffuser layer is attached to a substrate which is separate from the light source and the LCD panel, or may be attached to either the LCD panel or, when using a two dimensional light source, to the light source. The other light management layers may also be attached to the separate substrate or to the LCD panel or two-dimensional light source. High levels of illumination uniformity at the LCD may be achieved with a uniform (non-patterned) diffuser, even with relatively low levels of diffusion, when the diffuser is used with a brightness enhancing layer.Type: GrantFiled: October 31, 2008Date of Patent: February 28, 2012Assignee: 3M Innovative Properties CompanyInventors: Byungsoo Ko, Mark D. Gehlsen, Chingwen Chen, Robert M. Emmons, James W. Laumer, Ji-Hyung Kim, Ji-Hwa Lee, Kang-il Seo, Ryan T. Fabick, Linda M. Rivard, Kenneth A. Epstein, Chideuk Kim, Youngsoo Park