Patents by Inventor Eun Cho
Eun Cho 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: 12658368Abstract: A multilayer ceramic capacitor includes: a capacitor body that includes a dielectric layer and an internal electrode layer; and an external electrode that is disposed outside the capacitor body. The dielectric layer includes a plurality of dielectric grains, the dielectric grain includes a core portion and a shell portion surrounding at least a portion of the core portion, the shell portion includes a barium titanate-based primary component including barium (Ba) and titanium (Ti) and a rare earth element (R) including dysprosium (Dy), terbium (Tb), yttrium (Y), lanthanum (La), or a combination thereof, a coefficient of variation (CV) of an atomic ratio of R/Ba and a coefficient of variation (CV) of an atomic ratio of R/Ti in the shell portion are greater than 0 and less than 0.19.Type: GrantFiled: March 29, 2024Date of Patent: June 16, 2026Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jiseop Oh, Hyungjoon Jeon, Woonggi Kang, Jihyun Lee, Eun Cho, Jeong Ryeol Kim
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Publication number: 20260148898Abstract: A multilayer ceramic capacitor includes: a capacitor body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the capacitor body. The capacitor body includes at least one lost portion defined as a region in which continuity of the internal electrode layer is disconnected, and the lost portion includes a Mg concentrated region including magnesium (Mg) as a main element. The dielectric layer includes an interface adjacent region defined to be a region from an interface of the dielectric layer and the internal electrode layer to a depth surface of 80 nm to 100 nm into the dielectric layer, and the interface adjacent region includes magnesium (Mg). The magnesium (Mg) included in the interface adjacent region of the dielectric layer has a lower atom% content than the magnesium (Mg) included in the Mg concentrated region of the lost portion.Type: ApplicationFiled: January 12, 2026Publication date: May 28, 2026Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Hyun Park, Eun Cho, Byeongjun Jeon
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Publication number: 20260045414Abstract: A multilayer ceramic capacitor and a method of manufacturing the multilayer ceramic capacitor including a capacitor body including a dielectric layer and an internal electrode layer, and an external electrode disposed on the outside of the capacitor body, wherein the dielectric layer includes a plurality of dielectric grains, grain boundaries disposed between the plurality of dielectric grains, and a triple point where three grain boundaries are disposed in contact, and the dielectric layer includes a secondary phase disposed at the triple point and including Dy, Al, and Si.Type: ApplicationFiled: January 7, 2025Publication date: February 12, 2026Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Wonggi Kang, Eun Cho, Jihyun Lee, Taeyoon Kim, Byung Hyun Park, Hyungjoon Jeon, Jeong Ryeol Kim
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Patent number: 12548712Abstract: A multilayer ceramic capacitor includes: a capacitor body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the capacitor body. The capacitor body includes at least one lost portion defined as a region in which continuity of the internal electrode layer is disconnected, and the lost portion includes a Mg concentrated region including magnesium (Mg) as a main element. The dielectric layer includes an interface adjacent region defined to be a region from an interface of the dielectric layer and the internal electrode layer to a depth surface of 80 nm to 100 nm into the dielectric layer, and the interface adjacent region includes magnesium (Mg). The magnesium (Mg) included in the interface adjacent region of the dielectric layer has a lower atom % content than the magnesium (Mg) included in the Mg concentrated region of the lost portion.Type: GrantFiled: February 29, 2024Date of Patent: February 10, 2026Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Hyun Park, Eun Cho, Byeongjun Jeon
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Publication number: 20250387776Abstract: The present invention relates to an adsorbent in which a metal-organic framework is filled within the pore space of a carrier and a method of manufacturing the same, as well as a method of recovering rare earth metals from waste permanent magnets using an adsorbent in which a metal-organic framework is filled within the pore space of a carrier.Type: ApplicationFiled: March 11, 2025Publication date: December 25, 2025Inventors: Kyung-Won JUNG, Jae Woo CHOI, Youngkyun JUNG, Eun CHO
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Patent number: 12334272Abstract: A multilayer electronic component includes a body including a capacitance forming portion including a dielectric layer and internal electrodes disposed in a first direction and including first and second surfaces opposing each other in the first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction, side margin portions respectively disposed on the fifth and sixth surfaces, and external electrodes respectively disposed on the third and fourth surfaces. 0.436<RM/RA<0.920 and 1.75×10?4<RA<9.10×10?4 are satisfied, in which RA is an intensity ratio of Na relative to Ti included in the capacitance forming portion and RM is an intensity ratio of Na relative to Ti included in one of the side margin portions.Type: GrantFiled: April 7, 2023Date of Patent: June 17, 2025Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Eun Cho
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Publication number: 20250174400Abstract: A multilayer ceramic capacitor includes: a capacitor body that includes a dielectric layer and an internal electrode layer; and an external electrode that is disposed outside the capacitor body. The dielectric layer includes a plurality of dielectric grains, the dielectric grain includes a core portion and a shell portion surrounding at least a portion of the core portion, the shell portion includes a barium titanate-based primary component including barium (Ba) and titanium (Ti) and a rare earth element (R) including dysprosium (Dy), terbium (Tb), yttrium (Y), lanthanum (La), or a combination thereof, a coefficient of variation (CV) of an atomic ratio of R/Ba and a coefficient of variation (CV) of an atomic ratio of R/Ti in the shell portion are greater than 0 and less than 0.19.Type: ApplicationFiled: March 29, 2024Publication date: May 29, 2025Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jiseop Oh, Hyungjoon Jeon, Woonggi Kang, Jihyun Lee, Eun Cho, Jeong Ryeol Kim
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Publication number: 20250149244Abstract: A multilayer ceramic capacitor includes: a capacitor body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the capacitor body. The capacitor body includes at least one lost portion defined as a region in which continuity of the internal electrode layer is disconnected, and the lost portion includes a Mg concentrated region including magnesium (Mg) as a main element. The dielectric layer includes an interface adjacent region defined to be a region from an interface of the dielectric layer and the internal electrode layer to a depth surface of 80 nm to 100 nm into the dielectric layer, and the interface adjacent region includes magnesium (Mg). The magnesium (Mg) included in the interface adjacent region of the dielectric layer has a lower atom % content than the magnesium (Mg) included in the Mg concentrated region of the lost portion.Type: ApplicationFiled: February 29, 2024Publication date: May 8, 2025Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Hyun Park, Eun Cho, Byeongjun Jeon
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Publication number: 20240203658Abstract: A multilayer electronic component includes a body including a capacitance forming portion including a dielectric layer and internal electrodes disposed in a first direction and including first and second surfaces opposing each other in the first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction, side margin portions respectively disposed on the fifth and sixth surfaces, and external electrodes respectively disposed on the third and fourth surfaces. 0.436<RM/RA<0.920 and 1.75×10?4<RA<9.10×10?4 are satisfied, in which RA is an intensity ratio of Na relative to Ti included in the capacitance forming portion and RM is an intensity ratio of Na relative to Ti included in one of the side margin portions.Type: ApplicationFiled: April 7, 2023Publication date: June 20, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Eun Cho
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Publication number: 20180113273Abstract: Provided is a camera actuator and a camera module for a mobile terminal, which move a lens along an optical axis direction, and more particularly, to a camera actuator and a camera module for a mobile terminal, in which even when a support spring and a driving source configured to generate driving force are located on one side of a lens, when the lens vertically moves along an optical axis direction, a displacement by which a lens center is moved in a horizontal direction from an initial position thereof is minimized, so that the lens center is located on a line of an initial optical axis, and which include an elastic part including a first elastic part connected to a fixed part to extend in a first direction, and a second elastic part bent from an extending end of the first elastic part, extending in a second direction that is opposite to the first direction, and having an extending end connected to a movable part.Type: ApplicationFiled: December 13, 2016Publication date: April 26, 2018Inventors: Deok Yul LEE, Jae Wook RYU, Ju Hyun JEON, Eun CHO
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Patent number: 9500898Abstract: A liquid crystal display according to an embodiment of the present invention includes: a first substrate; a plurality of color filters formed on the first substrate and arranged in a matrix with an island shape; a plurality of pixel electrodes formed on the color filters; and a capacitor disposed between neighboring color filters in a column direction among the color filters, wherein two terminals forming the capacitor are disposed at a portion outside a position overlapping the color filters.Type: GrantFiled: June 20, 2013Date of Patent: November 22, 2016Assignee: Samsung Display Co., Ltd.Inventors: Yoon-Jang Kim, Dong-Gyu Kim, Eun Cho, Yeong-Keun Kwon, Kee-Bum Park
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Patent number: 9256107Abstract: A liquid crystal display includes a first substrate and a second substrate facing the first substrate, a gate line and a data line disposed on the first substrate, and a pixel electrode disposed on the first substrate. The pixel electrode is connected to the gate line and the data line, and includes subregions. The liquid crystal display further includes a storage electrode disposed on the first substrate overlapping the pixel electrode to form a storage capacitor, a common electrode disposed on the second substrate, and a liquid crystal layer interposed between the pixel electrode and the common electrode and including liquid crystal molecules disposed therein. The pixel electrode includes a stem defining boundaries between the subregions, and a width of the stem changes from a center portion of the pixel electrode to a peripheral portion of the pixel electrode.Type: GrantFiled: June 10, 2009Date of Patent: February 9, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: In-Woo Kim, Yi Li, Jang-Il Kim, Seong-Jun Lee, Eun Cho, Seon-Hong Ahn, Seung-Hyun Hur, Jae-Young Lee, Ji-Hyeon Son, Jae-Yong Shin
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Patent number: 9158165Abstract: A display device includes a plurality of gate lines arranged substantially parallel to each other in a first direction; a plurality of charge share gate lines arranged substantially parallel to each other in the first direction; a plurality of data lines arranged substantially parallel to each other in a second direction, wherein the second direction is substantially perpendicular to the first direction; and a plurality of pixels arranged in a matrix form in along the first direction and the second direction and each of the plurality of pixels which includes a first switching element and a second switching element, wherein the a first gate line of the plurality of gate lines is electrically connected to the first switching element included in one individual pixel of the plurality of pixels, and the a second gate line of the plurality of gate lines is electrically connected to the second switching element included in the individual pixel of the plurality of pixels.Type: GrantFiled: December 9, 2010Date of Patent: October 13, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kee-Bum Park, Si Hyun Ahn, Kyong Sik Choi, Seon-Kyoon Mok, Eun Cho
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Patent number: 9036122Abstract: An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of branch portions disposed thereon. A portion of the branch portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.Type: GrantFiled: February 20, 2013Date of Patent: May 19, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su-Jeong Kim, Jang-Kun Song, Sung-Hwan Hong, Kee-Bum Park, Seon-Ah Cho, Hye-Ran You, Su-Han Woo, Jae-Jin Lyu, Eun Cho
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Patent number: 8907345Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.Type: GrantFiled: February 1, 2014Date of Patent: December 9, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yeon-Ju Kim, Sung-Jae Moon, Yun-Jung Cho, Bum-Ki Baek, Kwang-Hoon Lee, Byoung-Sun Na, Sung-Hoon Yang, Yoon-Jang Kim, Eun Cho
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Patent number: 8854592Abstract: A liquid crystal display includes a lower panel and an upper panel facing each other. A liquid crystal layer is interposed between the lower panel and the upper panel. An attachment member attaches the lower panel and the upper panel and encloses the liquid crystal layer. A gate driver is integrated on the lower panel. The gate driver generates a gate signal and includes a plurality of stages. A plurality of control signal lines transmit a control signal to the gate driver. A passivation layer is disposed on the gate driver and the plurality of control signal lines. An alignment layer is disposed on the passivation layer and completely covers the gate driver and the plurality of control signal lines. The alignment layer includes a first region and a second region connected to the first region. The second region extends to an edge of the lower panel.Type: GrantFiled: April 21, 2010Date of Patent: October 7, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yun-Jung Cho, Seon-Kyoon Mok, Eun Cho, Byoung-Sun Na, Sung-Jae Moon
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Publication number: 20140147774Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.Type: ApplicationFiled: February 1, 2014Publication date: May 29, 2014Applicant: Samsung Display Co., LTD.Inventors: Yeon-Ju KIM, Sung-Jae MOON, Yun-Jung CHO, Bum-Ki BAEK, Kwang-Hoon LEE, Byoung-Sun NA, Sung-Hoon YANG, Yoon-Jang KIM, Eun CHO
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Patent number: 8680527Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.Type: GrantFiled: December 24, 2010Date of Patent: March 25, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yeon-Ju Kim, Sung-Jae Moon, Yun-Jung Cho, Bum-Ki Baek, Kwang-Hoon Lee, Byoung-Sun Na, Sung-Hoon Yang, Yoon-Jang Kim, Eun Cho
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Publication number: 20130278874Abstract: A liquid crystal display according to an embodiment of the present invention includes: a first substrate; a plurality of color filters formed on the first substrate and arranged in a matrix with an island shape; a plurality of pixel electrodes formed on the color filters; and a capacitor disposed between neighboring color filters in a column direction among the color filters, wherein two terminals forming the capacitor are disposed at a portion outside a position overlapping the color filters.Type: ApplicationFiled: June 20, 2013Publication date: October 24, 2013Inventors: Yoon-Jang KIM, Dong-Gyu KIM, Eun CHO, Yeong-Keun KWON, Kee-Bum PARK
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Patent number: 8395737Abstract: An array substrate includes a lower substrate, a switching element and a pixel electrode. In the lower substrate, unit pixel areas are each divided into a plurality of domains. The switching element is disposed on the lower substrate and transmits a pixel signal. The pixel electrode is disposed on the unit pixel area and is electrically connected to the switching element. The pixel electrode includes a plurality of slit portions disposed thereon. A portion of the slit portions is longitudinally extended in a zigzag shape along different directions in correspondence with the domains.Type: GrantFiled: October 11, 2011Date of Patent: March 12, 2013Assignee: Samsung Display Co., Ltd.Inventors: Su-Jeong Kim, Jang-Kun Song, Sung-Hwan Hong, Kee-Bum Park, Seon-Ah Cho, Hye-Ran You, Su-Han Woo, Jae-Jin Lyu, Eun Cho