Patents by Inventor Dong Sub An

Dong Sub An 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).

  • NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY WHICH INCLUDE THE SAME
    Publication number: 20190260019
    Abstract: A negative electrode active material which may dramatically improve stability of a battery while not degrading battery perfonhance such as cycle characteristics, and a negative electrode and a lithium secondary battery which include the same, wherein the negative electrode active material includes negative electrode active material particles which include artificial graphite in the form of a secondary particle and a carbon layer formed on the surface of the artificial graphite, and a coating layer which is formed on the negative electrode active material particle and includes a compound represented by Formula 1.
    Type: Application
    Filed: May 10, 2018
    Publication date: August 22, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Dong Sub JUNG, Oh Byong CHAE, Eun Kyung KIM, Ju Ho CHUNG, Chang Ju LEE
  • Secondary graphite particle and secondary lithium battery comprising the same
    Patent number: 10361426
    Abstract: The present disclosure relates to a secondary graphite particle comprising an initial natural graphite particle of excellent high capacity and output characteristic, aggregated, bonded or assembled with an initial artificial graphite particle of excellent cycle characteristic and swelling characteristic, thus having superior rollability that leads into increased density, a negative electrode using the secondary graphite particle as a negative electrode active material, and a secondary lithium battery comprising the negative electrode. Accordingly, the secondary lithium battery comprising the secondary graphite particle as described above as the negative electrode active material has an effect of enhanced high rate charging and discharging capability, cycle characteristic and swelling characteristic.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: July 23, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jun Hyuk Song, Eun Kyung Kim, Dong Sub Jung, Sang Wook Woo, Ye Ri Kim, Ju Ho Chung
  • Anode Active Material And Lithium Secondary Battery Including The Same
    Publication number: 20190165373
    Abstract: The present invention relates to an anode active material including natural graphite and mosaic coke-based artificial graphite, and a lithium secondary battery including the same. According to an embodiment of the present invention, an anode active material including natural graphite and mosaic coke-based artificial graphite is used, when applied to a lithium secondary battery, intercalation and deintercalation of lithium ions is more facilitated and conductivity of an electrode is improved even if no or little conductive material is used. Furthermore, the increase in conductivity can lead to not only a further improvement in rate performance of a lithium secondary battery but also a reduction in interfacial resistance.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 30, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Su Min Lee, Dong Sub Jung, Eun Kyung Kim, Sang Wook Woo, Sun Young Shin
  • Method and apparatus for recognizing grip state in electronic device
    Patent number: 10268302
    Abstract: A method and apparatus for recognizing a user's grip state using a Touch Screen Panel (TSP) sensor in an electronic device are provided. The method for recognizing the user's grip state in the electronic device includes the processes of detecting a hovering input generated by a user's grip through a self-capacitive or mutual-capacitive touch screen, and determining the user's grip state in accordance with the detected hovering input.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: April 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Tae Kwon, Dong-Sub Kim, Byeong-Jae Kim, Chang-Jin Kim
  • CUTTING INSERT
    Publication number: 20190009345
    Abstract: The present disclosure relates to a cutting insert. The cutting insert according to the exemplary embodiment of the present disclosure has a dot formed between a main cutting edge and a chip breaker, and the dot has a bridge formed between the main cutting edges. Therefore, a chip, which is produced during a cutting process, may come into contact with three points on a main cutting edge land portion, the bridge, and the dot. The chip may discharge heat generated from the cutting insert while the chip comes into contact with the three points.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 10, 2019
    Applicant: KORLOY INC
    Inventors: Dong Sub An, Sung Hun Kim, Hyo San Kim, Sang Ho Lim, Young Heum Kim
  • Anode active material and lithium secondary battery including the same
    Patent number: 10177380
    Abstract: The present invention relates to an anode active material including natural graphite and mosaic coke-based artificial graphite, and a lithium secondary battery including the same. According to an embodiment of the present invention, an anode active material including natural graphite and mosaic coke-based artificial graphite is used, when applied to a lithium secondary battery, intercalation and deintercalation of lithium ions is more facilitated and conductivity of an electrode is improved even if no or little conductive material is used. Furthermore, the increase in conductivity can lead to not only a further improvement in rate performance of a lithium secondary battery but also a reduction in interfacial resistance.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: January 8, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Su Min Lee, Dong Sub Jung, Eun Kyung Kim, Sang Wook Woo, Sun Young Shin
  • ELECTRONIC DEVICE AND METHOD FOR CONTROLLING DISPLAY IN ELECTRONIC DEVICE
    Publication number: 20180366054
    Abstract: A method for controlling display by an electronic device is provided. The method includes, when a predetermined number or more same frame data are consecutively generated, storing the same frame data in a storage of a display driving module by an application processor, stopping transmitting frame data to the display driving module, and scanning the frame data stored in the storage and outputting to a display panel by the display driving module.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Hong-Kook LEE, Hyun-Chang SHIN, Dong-Sub KIM
  • DISPLAY DEVICE AND ELECTRONIC DEVICE HAVING SAME
    Publication number: 20180301664
    Abstract: Disclosed in various examples of the present invention are a display device and an electronic device having the same, the display device comprising: a display element; and a guide unit arranged on the display element, wherein the guide unit guides a propagation pathway of the light emitted from the display element. The display device and the electronic device having the same can provide a comfortable viewing environment by using the guide unit so as to guide the propagation pathway of the light emitted from the display element. The display device and the electronic device having the same can be variously implemented according to the examples.
    Type: Application
    Filed: May 16, 2016
    Publication date: October 18, 2018
    Inventors: Sung-Ho AHN, Hak-Yeol KIM, Sung-Gwan WOO, Song-Hee JUNG, Dong-Sub KIM, Byeong-Cheol KIM
  • APPARATUS AND METHOD FOR AUTOMATIC DISPLAY CONTROL IN MOBILE TERMINAL
    Publication number: 20180292918
    Abstract: An apparatus and method for automatically controlling screens displayed on two display units installed in a mobile terminal are provided. The apparatus includes a touchscreen display including a first display portion disposed in a first surface of the portable communication device and a second display portion disposed in a second surface of the portable communication device, the second surface being opposite to the first surface; a camera; and a processor adapted to present, via the first display portion, a preview image obtained via the camera module; while the preview image is presented via the first display portion, receive a user input with respect to a specified graphical object displayed via the first display portion; and in response to the user input, present the preview image via the second display portion.
    Type: Application
    Filed: June 12, 2018
    Publication date: October 11, 2018
    Inventors: Dong Sub KIM, Moon Hyuk CHOI, Seong Jun Ban
  • Coupling joint for coupling insulated conductors
    Patent number: 10090652
    Abstract: A fitting for coupling ends of insulated conductors includes a sleeve to couple an end of a jacket of a first insulated conductor to an end of a jacket of a second insulated conductor. The sleeve is located between end portions of the insulated conductors. At least one of the ends of the sleeve is angled relative to the longitudinal axis of the sleeve. The sleeve has a longitudinal opening that extends along the length of the sleeve substantially the distance between end portions of the jackets of the insulated conductors. The longitudinal opening allows electrically insulating material to be filled into the sleeve.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 2, 2018
    Assignee: SHELL OIL COMPANY
    Inventors: Patrick Silas Harmason, Dong Sub Kim, Marlon Almario Tamase, Charles D'Angelo, III
  • Electronic device and method for controlling display in electronic device
    Patent number: 10062314
    Abstract: A method for controlling display by an electronic device is provided. The method includes, when a predetermined number or more same frame data are consecutively generated, storing the same frame data in a storage of a display driving module by an application processor, stopping transmitting frame data to the display driving module, and scanning the frame data stored in the storage and outputting to a display panel by the display driving module.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 28, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Kook Lee, Hyun-Chang Shin, Dong-Sub Kim
  • Active matrix organic light-emitting diode display and method of controlling display thereof
    Patent number: 10048919
    Abstract: An method and apparatus are provided. The method includes, at an apparatus, determining a display mode to present content, selecting, based at least in part on the display mode, a display from a display module comprising a plurality of stacked displays, operatively coupled with the apparatus, and presenting at least a part of the content via the display.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 14, 2018
    Assignee: Samsung Electronics, Co., Ltd.
    Inventors: Jung Hyun Kim, Dong Sub Kim
  • Electrical device
    Patent number: 10038290
    Abstract: Various examples of a connector device for connecting an electronic device with an external electronic device are described.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: July 31, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Cheol-Yoon Chung, Dong-Sub Kim, Kwang-Min Gil, Yu-Ji Yu, Byoung-Hee Lee, Cheol-Ho Lee
  • NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20180190985
    Abstract: The present invention relates to a negative electrode active material for a lithium secondary battery, which includes (A) first artificial graphite having an average particle diameter (D50) of 15 ?m to 20 ?m and (B) second artificial graphite having an average particle diameter (D50) of 3 ?m to 5 ?m, wherein the first artificial graphite (A) includes a secondary artificial graphite particle, in which at least one primary artificial graphite particle is agglomerated, and a carbon coating layer, and a weight ratio of the first artificial graphite to the second artificial graphite is in a range of 85:15 to 95:5, a negative electrode including the same, and a lithium secondary battery including the negative electrode.
    Type: Application
    Filed: December 23, 2016
    Publication date: July 5, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hee Won CHOI, Sang Wook WOO, Dong Sub JUNG, Dong Hyuk KIM, Eun Kyung KIM
  • Apparatus and method for automatic display control in mobile terminal
    Patent number: 10001846
    Abstract: An apparatus and method for automatically controlling screens displayed on two display units installed in a mobile terminal are provided. The apparatus includes a first display disposed on a front surface of the mobile device; a first user input device disposed on the front surface; a second display disposed on a rear surface of the mobile device; a second user input device disposed on the rear surface; and a controller configured to selectively operate at least one of the first display, the second display, the first user input device, and the second user input device according to detecting a user input or an operation being performed by the mobile device.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: June 19, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dong Sub Kim, Moon Hyuk Choi, Seong Jun Ban
  • Secondary battery of excellent productability and safety
    Patent number: 9947957
    Abstract: Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulating member is mounted on the top of the jelly-roll and the insulating member includes a perforated inlet enabling gas discharge and penetration of electrode terminals and a plurality of pores with a diameter of 100 ?m or less provided over the entire surface of the insulating member.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: April 17, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Do Gyun Kim, Dong-Myung Kim, Dong Sub Lee, Sang Bong Nam, Sang Sok Jung
  • Display device which prevents occurrence of flicker
    Patent number: 9940886
    Abstract: A display device which prevents or minimizes the occurrence of flicker is provided. The display device includes a display panel having pixels, with data lines and gate lines that are respectively connected with the pixels. A display driving circuit is configured to vary a frame frequency of the display panel according to an operation mode, to select a gamma curve corresponding to the frame frequency. The selected gamma curve is one among gamma curves that are set so as to correspond to different frame frequencies. The display panel is driven based on the selected gamma curve.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: April 10, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-kook Lee, Dong-sub Kim, Hyun-chang Shin
  • ELECTRICAL DEVICE
    Publication number: 20180034224
    Abstract: Various examples of a connector device for connecting an electronic device with an external electronic device are described.
    Type: Application
    Filed: July 31, 2017
    Publication date: February 1, 2018
    Inventors: Cheol-Yoon CHUNG, Dong-Sub KIM, Kwang-Min GIL, Yu-Ji YU, Byoung-Hee LEE, Cheol-Ho LEE
  • Grooving insert for a machine tool
    Patent number: D824438
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: July 31, 2018
    Inventors: Byung Hoon Min, Sung Guen Shin, Dong Sub An, Hyo San Kim, Young Heum Kim
  • Groove cutting tool
    Patent number: D837847
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: January 8, 2019
    Inventors: Byung Hoon Min, Sung Guen Shin, Dong Sub An, Hyo San Kim, Young Heum Kim