Patents by Inventor Eun Sung Lee

Eun Sung 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).

  • Publication number: 20160161655
    Abstract: An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals oriented in a direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view, tilt angles of the liquid crystals are gradually larger from the first side to the second side, a maximum tilt angle of the liquid crystals with respect to the surface of the liquid crystal layer is from about 15° to about 80°, and in-plane retardation (Re) of the liquid crystal layer for incident light of a 450 nm wavelength and a 550 nm wavelength satisfies a Relationship 1.
    Type: Application
    Filed: December 8, 2015
    Publication date: June 9, 2016
    Inventors: Koh KAMADA, Tsuyoshi OHYAMA, Eun Sung LEE, Hyunseok CHOI, Seunghyun LEE
  • Publication number: 20160161785
    Abstract: An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals having oriented direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view.
    Type: Application
    Filed: May 29, 2015
    Publication date: June 9, 2016
    Inventors: Koh KAMADA, Tsuyoshi OHYAMA, Eun Sung LEE
  • Patent number: 9343404
    Abstract: An anti-fuse based on a Field Nitride Trap (FNT) is disclosed. The anti-fuse includes a first active pillar including a first junction, a second active pillar including a second junction, a selection line buried between the first active pillar and the second active pillar, and a trap layer for electrically coupling the first junction to the second junction by trapping minority carriers according to individual voltages applied to the first junction, the second junction and the selection line. As a result, the fuse can be highly integrated through the above-mentioned structure, and programming of the fuse can be easily achieved.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: May 17, 2016
    Assignee: SK HYNIX INC.
    Inventor: Eun Sung Lee
  • Patent number: 9301417
    Abstract: A sealing material includes a metallic glass.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Sung Lee, Se Yun Kim, Jin Man Park, Young Hwan Kim, Suk Jun Kim, Sang Soo Jee, Sang Mock Lee, In Taek Han
  • Patent number: 9266203
    Abstract: A part to be centered during an assembly process includes an effective portion which performs a function and is shaped for insertion into a hole, a reference portion extended from the effective portion and formed substantially perpendicular to a center axis of the effective portion, and an aligning portion extended from the effective portion and formed around the effective portion. When the effective portion of the part is inserted into the hole, a center of the effective portion is automatically aligned with a centerline of the hole.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-sung Lee, Min-seog Choi
  • Patent number: 9221558
    Abstract: Provided is a satellite navigation visibility calculation apparatus. The satellite navigation visibility calculation apparatus includes a processing unit configured to binarize an input sky view image to create an binary image, an extraction unit configured to extract a plurality of feature points from the binary image, and a calculation unit configured to calculate satellite navigation dilution of precision (DOP) corresponding to the sky view image using the plurality of feature points.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: December 29, 2015
    Assignee: Korea Aerospace Research Institute
    Inventors: Woon Ki Hong, Eun Sung Lee, Kwang Sik Choi, Moon Beom Heo, Gi Wook Nam
  • Patent number: 9218898
    Abstract: A conductive paste including a conductive powder, a metallic glass including aluminum (Al) and a first element which forms a solid solution with the aluminum (Al), and an organic vehicle.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: December 22, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Sung Lee, Suk Jun Kim, Se Yun Kim, Jin Man Park, Sang Soo Jee
  • Patent number: 9207448
    Abstract: Provided is an aperture adjusting apparatus for adjusting an aperture through which light transmits. The aperture adjusting apparatus includes: a chamber configured to have space in which fluid flows, the chamber including a lower channel, an upper channel, and a plurality of reservoir regions connecting the lower channel and the upper channel and each having a non-uniform width crossing a flow direction of a fluid to form a space in which fluid flows; a photo-interceptive first fluid and a photo-transmissive second fluid having a property that the photo-transmissive second fluid does not mix with the first fluid and that are prepared in the chamber; and a first electrode unit in which one or more electrodes to which a voltage is applied are arrayed to form an electric field in the chamber, wherein an aperture through which light transmits is adjusted by a location change of an interface between the first fluid and the second fluid according to the electric field.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-dong Jung, Jong-hyeon Chang, Seung-wan Lee, Eun-sung Lee, Min-seog Choi
  • Patent number: 9151945
    Abstract: Provided are a micro electric liquid device and an apparatus including the device. The micro electric liquid device includes a first fluid that is opaque, a second fluid that is transparent a first channel configured to have the first and second fluid flow therein without mixing, a second channel overlapped and spaced apart from the first channel, wherein the second channel is configured to have the first and second fluids flow therein, and a connection part connecting the first and second channels, wherein an aperture is adjusted by a positional change of an interface between the first and second fluids in the first and second channels, and wherein the second channel includes a first sub channel configured to have the first and second fluids flow therein and having a non-uniform height and a second sub channel configured to have the second fluid to flow therein and having a uniform height.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: October 6, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyeon Chang, Woon-bae Kim, Seung-wan Lee, Eun-sung Lee, Min-seog Choi
  • Patent number: 9105370
    Abstract: A conductive paste includes a conductive powder, a metallic glass, and an organic vehicle. The metallic glass may be an alloy including a first element with an atomic radius that satisfies the following equation: (r1?rn)/(r1+rn/2)×100?9% In the equation, r1 may be an atom radius of the first element, rn may be an atom radius of other elements included in the metallic glass, and n may be an integer ranging from 2 to 10.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se Yun Kim, Eun Sung Lee, Sang Soo Jee, Ki Hong Kim
  • Publication number: 20150155235
    Abstract: An anti-fuse based on a Field Nitride Trap (FNT) is disclosed. The anti-fuse includes a first active pillar including a first junction, a second active pillar including a second junction, a selection line buried between the first active pillar and the second active pillar, and a trap layer for electrically coupling the first junction to the second junction by trapping minority carriers according to individual voltages applied to the first junction, the second junction and the selection line. As a result, the fuse can be highly integrated through the above-mentioned structure, and programming of the fuse can be easily achieved.
    Type: Application
    Filed: February 3, 2015
    Publication date: June 4, 2015
    Inventor: Eun Sung LEE
  • Patent number: 9039943
    Abstract: According to example embodiments, a conductive paste includes a conductive component that contains a conductive powder and a titanium (Ti)-based metallic glass. The titanium-based metallic glass has a supercooled liquid region of about 5K or more, a resistivity after crystallization that is less than a resistivity before crystallization by about 50% or more, and a weight increase by about 0.5 mg/cm2 or less after being heated in a process furnace at a firing temperature. According to example embodiments, an electronic device and a solar cell may include at least one electrode formed using the conductive paste according to example embodiments.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se Yun Kim, Eun-Sung Lee, Sang-Soo Jee, Do-Hyang Kim, Ka-Ram Lim
  • Patent number: 9039940
    Abstract: A conductive paste may include a conductive component and an organic vehicle. The conductive component may include an amorphous metal. The amorphous metal may have a lower resistivity after a crystallization process than before the crystallization process, and at least one of a weight gain of about 4 mg/cm2 or less and a thickness increase of about 30 ?m or less after being heated in a process furnace at a firing temperature.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk Jun Kim, Eun Sung Lee, Se Yun Kim, Sang Soo Jee, Jeong Na Heo
  • Publication number: 20150138648
    Abstract: An optical zoom probe is disclosed. The optical zoom probe includes: at least one liquid lens having a focus which is configured to be adjusted according to a flow of a fluid through a flow path; and a barrel provided to form the flow path and including a narrowed first end part including a first opening through which an image is captured, the at least one liquid lens being provided inside the barrel.
    Type: Application
    Filed: November 21, 2014
    Publication date: May 21, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-sung LEE, Woon-bae KIM, Seung-wan LEE, Jong-hyeon CHANG, Min-seog CHOI
  • Publication number: 20150131161
    Abstract: A variable liquid lens system is provided. The variable liquid lens system includes a lens barrel comprising a wall and first and second ends, wherein the first and second ends are substantially transparent, at least one liquid lens disposed in the lens barrel and contacting the wall, the at least one liquid lens comprising a droplet, and a plurality of spaces containing fluid positioned on opposite sides of the at least one liquid lens inside the lens barrel. A plurality of first holes are provided in the wall at a position corresponding to the plurality of spaces. The at least one liquid lens is configured so that a position of the at least one liquid lens within the lens barrel is adjustable by adjusting amounts of the fluid contained in the plurality of spaces via the plurality of first holes.
    Type: Application
    Filed: October 1, 2014
    Publication date: May 14, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-sung LEE, Woon-bae KIM, Seung-wan LEE, Jong-hyeon CHANG, Min-seog CHOI
  • Publication number: 20150130996
    Abstract: Provided are a micro electric liquid device and an apparatus including the device. The micro electric liquid device includes a first fluid that is opaque, a second fluid that is transparent a first channel configured to have the first and second fluid flow therein without mixing, a second channel overlapped and spaced apart from the first channel, wherein the second channel is configured to have the first and second fluids flow therein, and a connection part connecting the first and second channels, wherein an aperture is adjusted by a positional change of an interface between the first and second fluids in the first and second channels, and wherein the second channel includes a first sub channel configured to have the first and second fluids flow therein and having a non-uniform height and a second sub channel configured to have the second fluid to flow therein and having a uniform height.
    Type: Application
    Filed: September 2, 2014
    Publication date: May 14, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyeon CHANG, Woon-bae KIM, Seung-wan LEE, Eun-sung LEE, Min-seog CHOI
  • Patent number: 9030751
    Abstract: A vari-focal fluidic lens is provided. The fluidic lens includes a frame, an first membrane, a second membrane, and an optical fluid. The frame defines an inner space of the fluidic lens including a driving portion and a lens portion that are connected to each other. The elastic membrane is attached to one side of the frame to cover at least the lens portion. The second membrane is attached to an opposite side of the frame to cover at least the driving portion and is deformable in response to temperature change to vary a volume of the inner space. Optical fluid is contained in the inner space.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Tae Choi, Min-Seog Choi, Eun-Sung Lee, Kyu-Dong Jung
  • Publication number: 20150126857
    Abstract: Disclosed are an optical probe and a medical imaging apparatus which includes the optical probe. The optical probe includes an optical scanner, which includes first and second fluids which have different refractive indexes and are not mixed with each other, and a probe body that is insertable into a coelom, and in which the optical scanner is provided in the probe body. Light which is emitted from the optical scanner is irradiated onto an object via a light output device. An output angle of the light emitted from the optical scanner varies based on a corresponding change in an interface between the first and second fluids.
    Type: Application
    Filed: September 8, 2014
    Publication date: May 7, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Min-seog CHOI, Woon-bae KIM, Seung-wan LEE, Eun-sung LEE, Jong-hyeon CHANG, Hyun CHOI
  • Publication number: 20150126874
    Abstract: Provided are an optical switch, an optical probe including the optical switch, and a medical imaging apparatus including the optical probe. The optical probe includes a probe body that is configured to be insertable into a body cavity, and an optical switch that is disposed in the probe body and includes a first region formed of a material having a first refractive index, and a second region that forms an interface with the first region and is configured to have a fluid is introduced into the second region, wherein the optical switch is configured to change a path of propagation of incident light according to a second refractive index of the second region.
    Type: Application
    Filed: September 2, 2014
    Publication date: May 7, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-wan LEE, Woon-bae KIM, Eun-sung LEE, Jong-hyeon CHANG, Min-seog CHOI, Hyun CHOI
  • Patent number: D760839
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: July 5, 2016
    Assignee: AMOS CO., Ltd.
    Inventor: Eun-Sung Lee