Patents by Inventor Dong-Cheol Lee
Dong-Cheol 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: 20240127892Abstract: There are provided a memory device and an operating method of the memory device. The memory device includes: a memory block including a plurality of sub-blocks; a peripheral circuit for performing first program and erase operations in a first manner in a first sub-block, among the plurality of sub-blocks, and performing second program and erase operations in a second manner in a second sub-block, among the plurality of sub-blocks; and a control circuit configured to, when a cycling number of the second program and erase operations that are performed in the second sub-block is equal to or greater than a reference number, control the peripheral circuit to perform a compensation operation that compensates for a threshold voltage of memory cells included in the first sub-block.Type: ApplicationFiled: April 6, 2023Publication date: April 18, 2024Applicant: SK hynix Inc.Inventors: Dong Uk LEE, Yun Cheol KIM, Hae Chang YANG
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Publication number: 20240108536Abstract: A thermo-therapeutic apparatus and a method for controlling the same are provided.Type: ApplicationFiled: December 14, 2023Publication date: April 4, 2024Applicant: CERAGEM CO., LTDInventors: Dong Myoung LEE, Ki Sung KIM, Sang Cheol HAN, Jin Cheol PARK
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Patent number: 11086066Abstract: The present invention provides an integrated optical sheet module where an optical sheet is integrally formed without a diffusion sheet, a condensing sheet and a reflective polarizing sheet thereby reducing the overall thickness and improving the viewing angle, so that a manufacturing process can be simplified and significantly improve the left to right viewing angle while minimizing the brightness drop by forming the first base film having the viewing angle improvement component on the bottom surface with a haze characteristic.Type: GrantFiled: September 18, 2018Date of Patent: August 10, 2021Assignee: LMS CO., LTDInventors: Jee Hong Min, Se Jin Oh, Dong Cheol Lee, Woo Jong Lee, Jin Yeon Choi, Min Ho Kim, Du Yi Kim
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Patent number: 10996500Abstract: The present disclosure relates to an optical sheet having improved optical properties and minimized surface spots. According to one aspect of the present disclosure, provided is an optical sheet comprising: a first prism sheet which has a plurality of prisms parallel in a first direction formed on one surface thereof; and a diffusion sheet which is positioned at the surface side into which light of the first prism sheet is incident and has a plurality of protrusions formed on the surface facing the first prism sheet.Type: GrantFiled: March 24, 2016Date of Patent: May 4, 2021Assignee: LMS CO., LTDInventors: Jee Hong Min, Ki Wook Lee, Byoung Hun Lee, Tae Jun Lee, Dong Cheol Lee, Se Jin Oh
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Patent number: 10818957Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution. An upper case, a PCB, and a battery cell are simultaneously coupled to each other through a hot-melt process without using additional members, such as double-sided adhesive tape and a PCM case. In particular, a label can be removed from an embedded type battery pack. Consequently, it is possible to improve manufacturing efficiency and reduce manufacturing cost due to the reduction in the number of parts.Type: GrantFiled: April 15, 2016Date of Patent: October 27, 2020Assignee: LG CHEM, LTD.Inventors: Bum Jick Lee, Soo Jun Ahn, Dong Cheol Lee, Yong Ho Cho, Jae Hyeon Ju
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Publication number: 20200292747Abstract: The present invention provides an integrated optical sheet module where an optical sheet is integrally formed without a diffusion sheet, a condensing sheet and a reflective polarizing sheet thereby reducing the overall thickness and improving the viewing angle, so that a manufacturing process can be simplified and significantly improve the left to right viewing angle while minimizing the brightness drop by forming the first base film having the viewing angle improvement component on the bottom surface with a haze characteristic.Type: ApplicationFiled: September 18, 2018Publication date: September 17, 2020Applicant: LMS Co., LtdInventors: Jee Hong MIN, Se Jin OH, Dong Cheol LEE, Woo Jong LEE, Jin Yeon CHOI, Min Ho KIM, Du Yi KIM
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Patent number: 10388938Abstract: Disclosed herein is a secondary battery pack including an anode terminal and a cathode terminal of a battery cell connected to a protection circuit module (PCM), the anode terminal and the cathode terminal of the battery cell being made of plate-shaped conductive members, the battery cell having the anode terminal and the cathode terminal formed at one end thereof, the battery cell having a thermally bonded surplus part formed at the end thereof at which the anode terminal and the cathode terminal are formed, and the PCM including a protection circuit board (PCB) having a protection circuit formed thereon, an external input and output terminal connected to the protection circuit of the PCB, and an electrically insulative PCM case configured to have a hollow structure in which the PCB is mounted, the PCM case being provided with a slit, through which the electrode terminals of the battery cell are inserted, the PCM being loaded on the thermally bonded surplus part of the battery cell in a state in which the PCType: GrantFiled: August 6, 2014Date of Patent: August 20, 2019Assignee: LG CHEM, LTD.Inventors: Soo Jun Ahn, Dong Cheol Lee, Tae Wook Kim
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Patent number: 10374200Abstract: Disclosed herein is a battery pack configured to have a structure including a plate-shaped battery cell having electrode terminals formed at one side thereof including a sealed surplus part and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, the PCM includes a protection circuit board (PCB), a safety element electrically connected between one of the electrode terminals of the battery cell and the PCB or loaded on the PCB, an external input and output terminal electrically connected to a protection circuit of the PCB, and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case includes a PCB receiving part open outward at one side thereof and at least one fixing part to mount the module case to the sealed surplus part of the battery cell, and the PCM is loadedType: GrantFiled: April 29, 2014Date of Patent: August 6, 2019Assignee: LG CHEM, LTD.Inventors: Mi Geum Choi, Dong Cheol Lee, Jong Woon Choi
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Patent number: 10319962Abstract: A secondary battery pack is provided that includes a battery cell array configured to have a structure in which two or more battery cells, each of which includes electrode terminals and a thermally bonded surplus portion formed at the side thereof at which the electrode terminals are formed, are arranged side by side, a protection circuit module (PCM), the PCM being loaded on the thermally bonded surplus portions of the battery cells, a cartridge frame including two or more battery cell location parts for fixing the two battery cells, respectively, each of the battery cell location parts being formed in a frame shape, and a sheathing label attached to the cartridge frame such that the sheathing label wraps the cartridge frame in a state in which the battery cells, to which the PCM is connected, are fixed in the cartridge frame.Type: GrantFiled: September 19, 2014Date of Patent: June 11, 2019Assignee: LG CHEM, LTD.Inventors: Han Chul Kim, Dong Cheol Lee
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Patent number: 10302854Abstract: A display apparatus includes a display panel including a display area with a curved surface, a backlight assembly which provides light to the display panel, and a bottom cover which accommodates the display panel and the backlight assembly. The bottom cover includes a bottom portion, a sidewall portion bent from a side portion of the bottom portion, and a ceiling portion bent from the sidewall portion to face the bottom portion. The backlight assembly includes a light source part disposed in an engaging space defined by the bottom portion, the sidewall portion, and the ceiling portion to emit the light, and a light guide part which guides the light emitted from the light source part to the display panel.Type: GrantFiled: July 28, 2016Date of Patent: May 28, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-cheol Lee, Seki Park
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Patent number: 10263267Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution.Type: GrantFiled: April 15, 2016Date of Patent: April 16, 2019Assignee: LG CHEM, LTD.Inventors: Bum Jick Lee, Soo Jun Ahn, Dong Cheol Lee, Yong Ho Cho, Jae Hyeon Ju
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Patent number: 10222641Abstract: A display apparatus includes a display panel and a first protection member which accommodates the display panel. The first protection member includes first sidewalls facing each other and second sidewalls connected to ends of the first sidewalls to face each other. The first and second sidewalls are disposed to surround a side surface of the display panel, the first sidewalls are curved symmetrical to each other, and a distance between central portions of the first sidewalls facing each other is a minimum distance between the first sidewalls, and a distance between ends of the first sidewalls facing each other is a maximum distance between the first sidewalls.Type: GrantFiled: October 18, 2016Date of Patent: March 5, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-cheol Lee, Tae-chang Kim, Seki Park, Myunghun Baek
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Patent number: 10191203Abstract: A stacking-type optical sheet module includes an upper optical sheet having a first structural pattern with first unit light-condensing bodies successively repeated and cross-sectional areas gradually decreasing towards the top. A lower optical sheet has a second structural pattern and is below the upper optical sheet in a stack. Second and third unit light-condensing bodies are successively disposed in the second structural pattern. The second unit bodies have a gradually decreasing cross-sectional area toward the top and are joined with the upper optical sheet, and the third unit bodies have a gradually decreasing cross-sectional area toward the top, a vertical distance from a lowest to a highest portion thereof being relatively shorter than a corresponding vertical distance of the second unit bodies. A vertical angle of the highest portion of the second unit bodies is relatively smaller than a vertical angle of the highest portion of the third unit bodies.Type: GrantFiled: January 6, 2015Date of Patent: January 29, 2019Assignee: LMS CO., LTDInventors: Sung Sik Cho, Dong Cheol Lee, Tae Jun Lee, Hee Jeong Kim
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Patent number: 10170742Abstract: Disclosed herein is a battery pack including an electrically insulative pack case. The battery pack includes a plate-shaped battery cell having an anode terminal and a cathode terminal formed at one side thereof including a sealed surplus portion, the battery cell being formed to have a planar quadrangular structure, a protection circuit module (PCM) electrically connected to the electrode terminals of the battery cell to control operation of the battery pack, the PCM being loaded on the sealed surplus portion of the battery cell, and a pack case applied to the sealed surplus portion of the battery cell, the PCM, and opposite sides of the battery cell in a thermally molten state and solidified, the pack case being configured to have a structure to cover the sealed surplus portion of the battery cell, the PCM, and the opposite sides of the battery cell in a state in which the top and bottom of the battery cell are open.Type: GrantFiled: July 25, 2014Date of Patent: January 1, 2019Assignee: LG CHEM, LTD.Inventors: Han Chul Kim, Dong Cheol Lee, Ho Yul Jeong
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Patent number: 10170802Abstract: Disclosed herein is a battery pack configured to have a structure including a plate-shaped battery cell having electrode terminals formed at one side thereof including a sealed surplus part and a protection circuit module (PCM) mounted at the sealed surplus part, wherein each of the electrode terminals of the battery cell is made of a plate-shaped conductive member, the PCM includes a protection circuit board (PCB), a safety element electrically connected between one of the electrode terminals formed at one side of the battery cell and the PCB or loaded on the PCB, an external input and output terminal electrically connected to a protection circuit of the PCB, and an electrically insulative module case in which the PCB and the safety element are mounted in a state in which the external input and output terminal extends outside, the module case is configured to have a structure in which two outer surfaces of the module case are open outward to form a first open surface and a second open surface, the module casType: GrantFiled: September 26, 2014Date of Patent: January 1, 2019Assignee: LG CHEM, LTD.Inventors: Mi Geum Choi, Hyung Ku Yun, Dong Cheol Lee
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Patent number: 10132984Abstract: Disclosed is an optical sheet assembly comprising: a first optical sheet which comprises a first base film and a first optical pattern formed on the first base film, light being incident on the first base film; a second optical sheet which comprises a second base film and a second optical pattern formed on the second base film, the light exiting from the first optical sheet being incident thereon; and a third optical sheet which comprises a third base film and a third optical pattern formed on the third base film, the light exiting from the second optical sheet being incident thereon, wherein the first to third optical patterns perform light condensing or diffusing function, the first optical sheet is joined with the second optical sheet, and the second optical sheet is joined with the third optical sheet.Type: GrantFiled: January 6, 2015Date of Patent: November 20, 2018Assignee: LMS CO., LTDInventors: Sung Sik Cho, Dong Cheol Lee, Tae Jun Lee, Hee Jeong Kim, Ki Wook Lee, Jang Hee Cho, Byoung Hun Lee
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Publication number: 20180166736Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution. An upper case, a PCB, and a battery cell are simultaneously coupled to each other through a hot-melt process without using additional members, such as double-sided adhesive tape and a PCM case. In particular, a label can be removed from an embedded type battery pack. Consequently, it is possible to improve manufacturing efficiency and reduce manufacturing cost due to the reduction in the number of parts.Type: ApplicationFiled: April 15, 2016Publication date: June 14, 2018Applicant: LG CHEM, LTD.Inventors: Bum Jick LEE, Soo Jun AHN, Dong Cheol LEE, Yong Ho CHO, Jae Hyeon JU
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Publication number: 20180120626Abstract: The present disclosure relates to an optical sheet having improved optical properties and minimized surface spots. According to one aspect of the present disclosure, provided is an optical sheet comprising: a first prism sheet which has a plurality of prisms parallel in a first direction formed on one surface thereof; and a diffusion sheet which is positioned at the surface side into which light of the first prism sheet is incident and has a plurality of protrusions formed on the surface facing the first prism sheet.Type: ApplicationFiled: March 24, 2016Publication date: May 3, 2018Applicant: LMS Co., Ltd.Inventors: Jee Hong MIN, Ki Wook LEE, Byoung Hun LEE, Tae Jun LEE, Dong Cheol LEE, Se Jin OH
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Publication number: 20170294664Abstract: Disclosed herein is a method of manufacturing a battery pack including a battery cell having an electrode assembly received in a battery case, made of a laminate sheet including a resin layer and a metal layer, together with an electrolytic solution.Type: ApplicationFiled: April 15, 2016Publication date: October 12, 2017Applicant: LG CHEM, LTD.Inventors: Bum Jick LEE, Soo Jun AHN, Dong Cheol LEE, Yong Ho CHO, Jae Hyeon JU
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Patent number: 9693422Abstract: A curved display device comprises a display panel which includes a display area portion having a curved shape and a plurality of corner portions located on the outside of the display area portion where the plurality of corner portions is curved towards the display area portion in a plan view.Type: GrantFiled: March 16, 2016Date of Patent: June 27, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seki Park, Jooyoung Kim, Dong-cheol Lee