Patents by Inventor Sung-Wook Kim

Sung-Wook Kim 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).

  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170054091
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound selected from organometallic compounds represented by Formula 1, and a second compound selected from compounds represented by Formulae 2 and 3: M1(L1)n1(L2)(L3)??Formula 1
    Type: Application
    Filed: July 21, 2016
    Publication date: February 23, 2017
    Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim, Hee-Yeon Kim
  • ELECTRONIC APPARATUS TO PREDICT PREFERENCE OF USER AND PROVIDE INFORMATION AND CONTROL METHOD THEREOF
    Publication number: 20170041300
    Abstract: An electronic apparatus is provided. The electronic apparatus includes, a communicator including communication circuitry, a storage, and at least one processor. The communication circuitry communicates with a plurality of user terminals and an external apparatus. The storage stores information of a plurality of users and a plurality of pieces of content.
    Type: Application
    Filed: August 3, 2016
    Publication date: February 9, 2017
    Inventors: Yu-na KIM, Sung-wook KIM, Jin-su KIM, Jun-bum SHIN
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170012211
    Abstract: An organic light-emitting device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, in which the emission layer may include a fluorescent host and a fluorescent dopant. The device includes a charge balance layer (CBL) adjacent to the emission layer and between the emission layer and the second electrode. When the LUMO of the charge balance layer (ECL) is at least 0.2 eV higher than the LUMO of the electron transport layer (EEL), and the HOMO of the charge balance layer (ECH) is at least 0.2 eV lower than the HOMO of the fluorescent dopant (EdH), the rate of electron injection into the emission layer can be controlled, and direct electron injection into the host and dopant at the same or substantially the same time can be achieved, thereby improving the device efficiency.
    Type: Application
    Filed: February 25, 2016
    Publication date: January 12, 2017
    Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim
  • CRYSTAL OSCILLATOR PACKAGE
    Publication number: 20170005636
    Abstract: A crystal oscillator package includes a crystal piece configured to vibrate in response to an electrical signal, a first vibrating part protruding from an upper surface of the crystal piece, a second vibrating part protruding from a lower surface of the crystal piece, a first exciting electrode disposed on the first vibrating part, a second exciting electrode disposed on the second vibrating part, and protrusions extending from an end portion of the lower surface of the crystal piece. The protrusions include two or more stages.
    Type: Application
    Filed: May 12, 2016
    Publication date: January 5, 2017
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Woo LEE, Sung Wook KIM, Seung Mo LIM, Jong Pil LEE
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING THE SAME
    Publication number: 20160308140
    Abstract: A condensed cyclic compound and an organic light-emitting device including the condensed cyclic compound are provided. The condensed cyclic compound is represented by Formula 1. The A3 ring of Formula 1 is a group represented by Formula 2A or a group represented by Formula 2B. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including at least one of the condensed cyclic compound represented by Formula 1.
    Type: Application
    Filed: April 13, 2016
    Publication date: October 20, 2016
    Inventors: Sung-Wook Kim, Myeong-Suk Kim, Hwan-Hee Cho, Sam-Il Kho, Seung-Soo Yoon, Changwoong Chu
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160308138
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; and an electron transport region between the second electrode and the emission layer, wherein the emission layer includes a first host and a second host, the first host includes a first compound represented by Formula 1, the second host includes at least one selected from a second compound represented by Formula 2 and a third compound represented by Formula 3, and the hole transport region includes an amine-based compound represented by Formula 40:
    Type: Application
    Filed: April 15, 2016
    Publication date: October 20, 2016
    Inventors: Myeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Chang-Woong Chu
  • CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20160293848
    Abstract: A condensed-cyclic compound and an organic light-emitting device, the compound being represented by Formula 1:
    Type: Application
    Filed: December 9, 2015
    Publication date: October 6, 2016
    Inventors: Sung-Wook KIM, Myeong-Suk KIM, Hwan-Hee CHO, Sam-Il KHO, Seung-Soo YOON
  • Piezoelectric piece for piezoelectric vibrator and manufacturing method thereof
    Patent number: 9455683
    Abstract: The present invention presents a piezoelectric piece for a piezoelectric vibrator and a manufacturing method thereof. The piezoelectric piece for a piezoelectric vibrator in accordance with an embodiment of the present invention includes: a base; and a vibrating arm connected to the base and having a groove formed therein. Here, one surface inside the groove includes: a first slope extended from an upper portion of the groove in a lower direction so as to have a first angle; and a second slope extended from a lower portion of the first slope in a lower direction so as to have a second angle that is greater than the first angle, and a rate of a depth of the first slope for a depth of the groove is greater than or equal to 0.5 and less than or equal to 1.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: September 27, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Je-Hong Kyoung, Ho-Phil Jung, Tae-Joon Park, Won Han, Sung-Wook Kim
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20160268508
    Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a first compound represented by Formula 1-1 or Formula 1-2, and wherein the electron transport region includes a second compound represented by Formula 2:
    Type: Application
    Filed: October 8, 2015
    Publication date: September 15, 2016
    Inventors: Myeong-Suk KIM, Tae-Kyung KIM, Sung-Wook KIM, Hwan-Hee CHO, Chang-Woong CHU
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160260901
    Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the second electrode and the emission layer.
    Type: Application
    Filed: October 27, 2015
    Publication date: September 8, 2016
    Inventors: Myeong-Suk KIM, Tae-Kyung KIM, Sung-Wook KIM, Hwan-Hee CHO, Chang-Woong CHU
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160226000
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode opposite the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, the electron transport region including an electron control layer, wherein the hole transport region includes at least one compound selected from a first compound represented by Formula 1 and a second compound represented by Formula 2, and the electron control layer includes a third compound represented by Formula 3:
    Type: Application
    Filed: January 29, 2016
    Publication date: August 4, 2016
    Inventors: Myeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Sang-Woo Lee, Chang-Woong Chu, Tae-Hyung Kim, Ho-Cheol Park, Chang-Jun Lee, Young-Bae Kim, Hoe-Moon Kim
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20160197290
    Abstract: An organic light emitting display element according to an example embodiment includes: a first electrode, an emission layer positioned on the first electrode, and a second electrode positioned on the emission layer, in which the emission layer includes at least one of the compounds represented by the following Chemical Formulas 1 to 3.
    Type: Application
    Filed: June 30, 2015
    Publication date: July 7, 2016
    Inventors: Myeong Suk KIM, Dae Yup SHIN, Sung Wook KIM, Hwan Hee CHO
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160190476
    Abstract: An organic light-emitting device includes a first electrode; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, and an electron transport region between the emission layer and the second electrode. The emission layer includes a first compound represented by Formula 1 and a second compound represented by any one of Formulae 2-1 to 2-5. The electron transport region includes a third compound represented by Formula 7. The organic light-emitting device may have low driving voltage, high efficiency, and a long lifespan.
    Type: Application
    Filed: July 23, 2015
    Publication date: June 30, 2016
    Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim
  • ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20160190483
    Abstract: An organometallic compound and an organic light-emitting device, the organometallic compound being represented by the following Formula 1: M(L1)n1(L2)n2??<Formula 1> wherein in Formula 1, M is selected from iridium (Ir), platinum (Pt), osmium (Os), titanium (Ti), zirconium (Zr), hafnium (Hf), europium (Eu), terbium (Tb), thulium (Tm), and rhodium (Rh); n1 is 0, 1, 2, or 4; n2 is 1, 2, or 3; when n1 is two or more, two or more L1 are identical or different, and when n2 is two or more, two or more L2 are identical to different; L1 is selected from a monovalent organic ligand, a divalent organic ligand, a trivalent organic ligand, and a tetravalent organic ligand, and is different from L2; L2 is a ligand represented by the following Formula 2;
    Type: Application
    Filed: June 16, 2015
    Publication date: June 30, 2016
    Inventors: Sung-Wook KIM, Myeong-Suk KIM, Hwan-Hee CHO
  • CRYSTAL OSCILLATOR PACKAGE
    Publication number: 20160156312
    Abstract: There is provided a crystal oscillator package including: a crystal oscillator on which excitation electrodes are provided; one or more leg members extended from the crystal oscillator; and conductive adhesive members provided to connect the leg members and connection pads to each other, whereby the vibrational reliability of the crystal oscillator may be improved.
    Type: Application
    Filed: October 13, 2015
    Publication date: June 2, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Mo LIM, Jae Sang LEE, Sung Wook KIM, Jong Pil LEE
  • ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING CAPPING LAYER HAVING HIGH REFRACTIVE INDEX
    Publication number: 20160149157
    Abstract: An organic light emitting diode display including a first substrate; a first electrode on the first substrate; an organic light emitting layer on the first electrode; a second electrode on the organic light emitting layer; and a capping layer on the second electrode, wherein the capping layer includes at least one heterocyclic compound, the heterocyclic compound including a carbazole group and a heterocyclic group bonded with the carbazole group.
    Type: Application
    Filed: September 14, 2015
    Publication date: May 26, 2016
    Inventors: Hwan-Hee CHO, Myeong-Suk KIM, Sung-Wook KIM
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160133853
    Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; wherein the emission layer includes a first host represented by the following Formula 1, and a second host represented by the following Formula 2:
    Type: Application
    Filed: May 8, 2015
    Publication date: May 12, 2016
    Inventors: Hwan-Hee CHO, Myeong-Suk KIM, Sung-Wook KIM, Jae-Yong LEE, Chang-Woong CHU
  • ORGANIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE DEVICE INCLUDING THE SAME
    Publication number: 20160126479
    Abstract: An organic compound represented by Chemical Formula 1 is disclosed. Also a light emitting diode including the organic compound is described.
    Type: Application
    Filed: May 12, 2015
    Publication date: May 5, 2016
    Inventors: Jin Soo HWANG, Myeong Suk KIM, Sung Wook KIM, Jae Hong KIM, Seung-Soo YOON
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160111644
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer, wherein the emission layer includes an organometallic compound represented by Formula 1, and the hole transport region includes an amine-based compound represented by Formula 2:
    Type: Application
    Filed: October 16, 2015
    Publication date: April 21, 2016
    Inventors: Hwan-Hee Cho, Myeong-Suk Kim, Sung-Wook Kim, Chang-Woong Chu, Youn-Sun Kim, Naoyuki Ito
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160111663
    Abstract: An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer. The emission layer includes an organometallic compound represented by Formula 1, and the hole transport region includes a first compound represented by Formula 2.
    Type: Application
    Filed: October 16, 2015
    Publication date: April 21, 2016
    Inventors: Myeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Chang-Woong Chu, Youn-Sun Kim, Naoyuki Ito