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).

  • Patent number: 12658368
    Abstract: 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: Grant
    Filed: March 29, 2024
    Date of Patent: June 16, 2026
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jiseop Oh, Hyungjoon Jeon, Woonggi Kang, Jihyun Lee, Eun Cho, Jeong Ryeol Kim
  • Publication number: 20260148898
    Abstract: 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: Application
    Filed: January 12, 2026
    Publication date: May 28, 2026
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Hyun Park, Eun Cho, Byeongjun Jeon
  • Publication number: 20260045414
    Abstract: 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: Application
    Filed: January 7, 2025
    Publication date: February 12, 2026
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Wonggi Kang, Eun Cho, Jihyun Lee, Taeyoon Kim, Byung Hyun Park, Hyungjoon Jeon, Jeong Ryeol Kim
  • Patent number: 12548712
    Abstract: 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: Grant
    Filed: February 29, 2024
    Date of Patent: February 10, 2026
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Hyun Park, Eun Cho, Byeongjun Jeon
  • Publication number: 20250387776
    Abstract: 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: Application
    Filed: March 11, 2025
    Publication date: December 25, 2025
    Inventors: Kyung-Won JUNG, Jae Woo CHOI, Youngkyun JUNG, Eun CHO
  • Patent number: 12334272
    Abstract: 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: Grant
    Filed: April 7, 2023
    Date of Patent: June 17, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Eun Cho
  • Publication number: 20250174400
    Abstract: 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: Application
    Filed: March 29, 2024
    Publication date: May 29, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jiseop Oh, Hyungjoon Jeon, Woonggi Kang, Jihyun Lee, Eun Cho, Jeong Ryeol Kim
  • Publication number: 20250149244
    Abstract: 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: Application
    Filed: February 29, 2024
    Publication date: May 8, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Hyun Park, Eun Cho, Byeongjun Jeon
  • Publication number: 20240203658
    Abstract: 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: Application
    Filed: April 7, 2023
    Publication date: June 20, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Eun Cho
  • Publication number: 20180113273
    Abstract: 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: Application
    Filed: December 13, 2016
    Publication date: April 26, 2018
    Inventors: Deok Yul LEE, Jae Wook RYU, Ju Hyun JEON, Eun CHO
  • Patent number: 9500898
    Abstract: 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: Grant
    Filed: June 20, 2013
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Jang Kim, Dong-Gyu Kim, Eun Cho, Yeong-Keun Kwon, Kee-Bum Park
  • Patent number: 9256107
    Abstract: 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: Grant
    Filed: June 10, 2009
    Date of Patent: February 9, 2016
    Assignee: 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
  • Patent number: 9158165
    Abstract: 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: Grant
    Filed: December 9, 2010
    Date of Patent: October 13, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kee-Bum Park, Si Hyun Ahn, Kyong Sik Choi, Seon-Kyoon Mok, Eun Cho
  • Patent number: 9036122
    Abstract: 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: Grant
    Filed: February 20, 2013
    Date of Patent: May 19, 2015
    Assignee: 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
  • Patent number: 8907345
    Abstract: 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: Grant
    Filed: February 1, 2014
    Date of Patent: December 9, 2014
    Assignee: 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
  • Patent number: 8854592
    Abstract: 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: Grant
    Filed: April 21, 2010
    Date of Patent: October 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Jung Cho, Seon-Kyoon Mok, Eun Cho, Byoung-Sun Na, Sung-Jae Moon
  • Publication number: 20140147774
    Abstract: 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: Application
    Filed: February 1, 2014
    Publication date: May 29, 2014
    Applicant: 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
  • Patent number: 8680527
    Abstract: 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: Grant
    Filed: December 24, 2010
    Date of Patent: March 25, 2014
    Assignee: 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
  • Publication number: 20130278874
    Abstract: 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: Application
    Filed: June 20, 2013
    Publication date: October 24, 2013
    Inventors: Yoon-Jang KIM, Dong-Gyu KIM, Eun CHO, Yeong-Keun KWON, Kee-Bum PARK
  • Patent number: 8395737
    Abstract: 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: Grant
    Filed: October 11, 2011
    Date of Patent: March 12, 2013
    Assignee: 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