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).

  • 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
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160111664
    Abstract: An organic light-emitting device includes: 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 and a dopant, the first host is represented by one selected from Formulae 1 and 2, and the dopant is represented by Formula 7: Ar11?(L11)a11-(R11)b11]n11??Formula 1 Ar21?(L21)a21-(R21)b21]n21??Formula 2 M(L1)n71(L2)n72.??Formula 7 The organic light-emitting device may have high efficiency and long lifespan and may show little change in the efficiency at an x-coordinate (CIEx) value of 0.21.
    Type: Application
    Filed: October 16, 2015
    Publication date: April 21, 2016
    Inventors: Naoyuki Ito, Myeong-Suk Kim, Youn-Sun Kim, Sung-Wook Kim, Hwan-Hee Cho, Chang-Woong Chu
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20160111665
    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, wherein the emission layer includes an organometallic compound of Formula 1 as described in the specification, and the hole transport region includes a first compound of Formula 2A or Formula 2B as described in the specification.
    Type: Application
    Filed: October 16, 2015
    Publication date: April 21, 2016
    Inventors: Sung-Wook Kim, Myeong-Suk Kim, Hwan-Hee Cho, Chang-Woong Chu, Youn-Sun Kim, Naoyuki Ito
  • METHOD AND APPARATUS FOR THINNING WAFER
    Publication number: 20160064229
    Abstract: A method and an apparatus for thinning a wafer are provided. The method for thinning a wafer, according to one embodiment of the present invention, comprises the steps of: irradiating a line beam focused at a specific depth of the wafer; scanning the wafer by using the line beam so as to form an interface at the specific depth of the wafer; and cleaving the wafer on which the interface is formed into a pattern wafer and a dummy wafer.
    Type: Application
    Filed: April 2, 2014
    Publication date: March 3, 2016
    Applicant: HANWHA TECHWIN CO., LTD.
    Inventor: Sung Wook KIM
  • TUNING FORK AND ELECTRONIC DEVICE USING THE SAME
    Publication number: 20160006411
    Abstract: A tuning fork may include a vibrating part in which a plurality of vibrating members having vibrating heads which are formed at free ends of tines are connected at both sides of a connection member, and a support part in which the vibrating part is coupled with the connection member. The vibrating part may include two tines formed in parallel with each other and the connection member formed in a direction to the free end of the tines from fixed ends of the tines, being spaced apart from each other by a predetermined distance, and connecting between the two tines.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 7, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won HAN, Sung Wook KIM
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20150364695
    Abstract: An 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 at least one condensed cyclic compound represented by Formula 1: The organic light-emitting device including the condensed cyclic compound represented by Formula 1 may have low driving voltage, high efficiency, high brightness, and long lifespan.
    Type: Application
    Filed: January 14, 2015
    Publication date: December 17, 2015
    Inventors: Jin-Soo Hwang, Myeong-Suk Kim, Sung-Wook Kim, Sam-Il Kho, Hong-Suk Seo
  • QUARTZ VIBRATOR AND MANUFACTURING METHOD OF THE SAME
    Publication number: 20150303896
    Abstract: Embodiments of the invention provide a quartz vibrator, including a long side in a Y? axis direction, a side in the Y? axis direction including a first crystal face and a second crystal face formed thereon, and another side including an AT-cut quartz piece including a first crystal face and a second crystal face formed thereon and electrode layers formed on the AT-cut quartz piece.
    Type: Application
    Filed: October 7, 2014
    Publication date: October 22, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Mo LIM, Ho Phil JUNG, Won HAN, Dong Joon OH, Sung Wook KIM, Tae Joon PARK
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20150263289
    Abstract: A condensed cyclic compound is represented by Formula 1, and an organic light-emitting device includes the condensed cyclic compound. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer. The organic layer includes an emission layer and the condensed-cyclic compound.
    Type: Application
    Filed: July 28, 2014
    Publication date: September 17, 2015
    Inventors: Sung-Wook Kim, Myeong-Suk Kim, Jin-Soo Hwang, Sam-Il Kho, Hong-Suk Suh