Patents by Inventor Chang Ho Lee

Chang Ho 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: 20170358396
    Abstract: An electronic component of a multi-layered structure includes a laminate formed by stacking a plurality of ceramic bodies and an external electrode made of a conductive resin for connecting each ceramic body.
    Type: Application
    Filed: August 28, 2017
    Publication date: December 14, 2017
    Inventors: Sung Hun CHO, Chang Ho LEE, Won Sik CHONG
  • Patent number: 9829479
    Abstract: Provided is a photoacoustic imaging device including: a light source unit which generates an ultra-broadband pulsed laser beam and outputs the ultra-broadband pulsed laser beam; a filter unit which filters narrowband pulsed laser beams having predetermined different wavelength bands from the ultra-broadband pulsed laser beam to selectively extract the narrowband pulsed laser beams and outputs the narrowband pulsed laser beams as pulsed laser beams for photoacoustic imaging; and a PA (photoacoustic) unit which receives the pulsed laser beams for photoacoustic imaging to irradiate a measurement object with the pulsed laser beams for photoacoustic imaging and receives photoacoustic signals generated from the measurement object.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: November 28, 2017
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Chul Hong Kim, Jee Hyun Kim, Min Yong Jeon, Chang Ho Lee, Man-Sik Jeon
  • Patent number: 9825244
    Abstract: Provided is an organic light-emitting device including a first electrode, a second electrode disposed opposite to the first electrode, an emission layer disposed between the first electrode and the second electrode, and an electron-transporting layer disposed between the emission layer and the second electrode. The electron-transporting layer includes a first electron-transporting material and a second electron-transporting material. The lowest unoccupied molecular orbital (LUMO) energy level of the first electron-transporting material (EL1) and the lowest unoccupied molecular orbital (LUMO) energy level of the second electron-transporting material (EL2) satisfy the equation 0.1 eV?|EL1?EL2|?0.3 eV.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: November 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Jin Cho, Chang-Ho Lee, Dae-Yup Shin, Young-Mok Son, Il-Soo Oh, Hee-Joo Ko, Jin-Young Yun, Bo-Ra Lee, Yeon-Woo Lee, Beom-Joon Kim, Pyung-Eun Jeon, Hyun-Ju Choi, Chang-Min Lee
  • Publication number: 20170316879
    Abstract: A composite electronic component composed of a composite body including a capacitor and an electrostatic discharge (ESD) protection device coupled to each other. The capacitor includes a ceramic body in which a plurality of dielectric layers and internal electrodes are stacked with a respective dielectric layer therebetween. The ESD protection device includes first and second electrodes disposed on the ceramic body, a discharging part disposed between the first and second electrodes, and a protective layer disposed on the first and second electrodes and the discharging part. An input terminal disposed on a first end surface of the composite body and is connected to internal electrodes and the first and second electrodes. A ground terminal formed on a second end surface of the composite body and is connected to internal electrodes and the first and second electrodes.
    Type: Application
    Filed: July 18, 2017
    Publication date: November 2, 2017
    Inventors: Jin Hwan KIM, Dae Bok OH, Jae Young PARK, Ichiro TANAKA, Chang Ho LEE
  • Publication number: 20170299909
    Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 19, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Chung-Hwan AN, Chang-Ho LEE, Keong-Jin LEE, Joo-Ah KIM, Tae-Young HEO
  • Publication number: 20170270885
    Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.
    Type: Application
    Filed: June 5, 2017
    Publication date: September 21, 2017
    Inventors: JAE-HOON LEE, SEUNG-HWAN MOON, YONG-SOON LEE, YOUNG-SU KIM, CHANG-HO LEE, WHEE-WON LEE, JUN-YONG SONG, YU-HAN BAE
  • Patent number: 9768387
    Abstract: An organic light emitting diode includes a hole injection layer, a hole transport layer, an emission layer, an electron transport layer and an electron injection layer. The hole transport layer is disposed on the hole injection layer. The emission layer is disposed on the hole transport layer. The electron transport layer is disposed on the emission layer and including at least one selected from an anthracene derivative and a pyrene derivative. The electron injection layer is disposed on the electron transport layer. The organic light emitting diode includes a material that electron mobility is lower than a traditional material of the electron transport layer. Thus, a stain and a roll-off phenomenon in the low gray scale area may be improved.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: September 19, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Ju Choi, Chang-Ho Lee
  • Patent number: 9753318
    Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: September 5, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Chung-Hwan An, Chang-Ho Lee, Keong-Jin Lee, Joo-Ah Kim, Tae-Young Heo
  • Patent number: 9734755
    Abstract: A transparent display panel includes first through (N)-th vertical constant voltage lines (N is a natural number), first through (M)-th horizontal constant voltage line groups (M is a natural number), and a plurality of transparent pixels. The transparent pixels are disposed within a grid defined by the first through (N)-th vertical constant voltage lines and the first through (M)-th horizontal constant voltage line groups. The transparent pixels operate based on constant voltages transferred through the first through (N)-th vertical constant voltage lines and the first through (M)-th horizontal constant voltage line groups. The first through (N)-th vertical constant voltage lines include first vertical constant voltage lines and second vertical constant voltage lines. Each of the first through (M)-th horizontal constant voltage line groups includes a first horizontal constant voltage line and a second horizontal constant voltage line.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: August 15, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Ho Lee, Gyung-Soon Park
  • Patent number: 9735387
    Abstract: An organic light emitting display includes: a substrate; a first electrode on the substrate; an organic light emitting layer on the first electrode; a second electrode formed on the organic light emitting layer; a non-resonance reflection inducing layer on the second electrode; and a capping layer on the non-resonance reflection inducing layer.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: August 15, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam Su Kang, Ji Hye Shim, Ji Hwan Yoon, Chang Ho Lee, Hyun Ju Choi
  • Publication number: 20170222608
    Abstract: A circuit includes a first transistor comprising a gate, a source, and a drain, and an inductor coupled between the gate and the source of the first transistor, wherein the source is further coupled to a current source and the gate is further coupled to an amplifier.
    Type: Application
    Filed: September 21, 2016
    Publication date: August 3, 2017
    Inventors: Woonyun Kim, Chang-Ho Lee, Minsik Ahn, Jeongwon Cha
  • Patent number: 9715251
    Abstract: A portable device includes a keyboard unit; a display unit; a connection unit which is connected to each of the keyboard unit and the display unit, moves relatively with respect to each of the keyboard unit and the display unit, and supports the display unit so that the display unit covers or uncovers the keyboard unit; and a controller which is placed inside the connection unit and controls operation of the portable device.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: July 25, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-seok Chung, Zion Kwon, Chang-ho Lee, Han-kyung Ji, Se-hun Oh, Yeo-wan Yun
  • Publication number: 20170203217
    Abstract: A kids café having themed play facilities and food-and-beverage offering facilities comprises a plurality of themed playrooms and a café kitchen for offering food and beverage which are constructed along the wall surface of the interior of a building and a rest area which is arranged at the center and has lots of chairs and tables, so that infants or children and their parents or guardians can enjoy playing and take a rest in one space while the infants or children check existence of their parents or guardians and the parents or guardians check their children.
    Type: Application
    Filed: September 1, 2016
    Publication date: July 20, 2017
    Inventors: Chang Ho LEE, Da Eun LEE
  • Patent number: 9711579
    Abstract: An organic light emitting diode (OLED) display includes a substrate, a thin film transistor disposed on the substrate, a first electrode disposed on the thin film transistor and electrically connected to the thin film transistor, a first auxiliary layer disposed on the first electrode, an emission layer disposed on the first auxiliary layer, an electron transport layer disposed on the emission layer, a first buffer layer disposed on the electron transport layer, and a second electrode disposed on the first buffer layer.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: July 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Soo Oh, Chang Ho Lee, Ji Hwan Yoon, Dae Yup Shin, Hee Joo Ko, Se Jin Cho, Jin Young Yun, Bora Lee, Yeon-Woo Lee, Beom Joon Kim, Pyung Eun Jeon, Hyun Ju Choi, Joong Won Sim, In Jae Lee
  • Publication number: 20170178936
    Abstract: A system for processing a wafer may use a wafer identification (ID) assigned by a wafer manufacturing company as an ID code of the wafer in managing the wafer by a semiconductor manufacturing company.
    Type: Application
    Filed: November 25, 2014
    Publication date: June 22, 2017
    Inventors: Sang Hoon SHIN, Heyun Su JANG, Chang Ho LEE, Hee Young SHIN, Eun Jin JUNG
  • Patent number: 9676935
    Abstract: A novel polyoxymethylene resin composition is provided, which may be availably used as engineered plastics in various industrial fields and products, such as vehicle parts. The poly resin includes polyoxymethylene, aramide fibers, and thermoplastic polyurethane, thereby providing the novel composition of polyoxymethylene resin and improving various physical properties thereof, such as thermal stability.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: June 13, 2017
    Assignees: Hyundai Motor Company, Korea Engineering Plastics Co., Ltd.
    Inventors: Duck Hyoung Hwang, Gyung Seob Byun, Seung Chin Park, Chang Ho Lee, Hyo Je Seong
  • Publication number: 20170161240
    Abstract: An electronic device is provided.
    Type: Application
    Filed: December 6, 2016
    Publication date: June 8, 2017
    Inventors: Jung Jik LEE, Kyung Tae KIM, Yoon Jeong CHOI, Hye Rim BAE, Sung Min YOON, Chang Hyup JWA, Chang Ho LEE
  • Patent number: 9672782
    Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Hoon Lee, Seung-Hwan Moon, Yong-Soon Lee, Young-Su Kim, Chang-Ho Lee, Whee-Won Lee, Jun-Yong Song, Yu-Han Bae
  • Patent number: D799452
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: October 10, 2017
    Assignee: GN Netcom A/S
    Inventor: Chang Ho Lee
  • Patent number: D806053
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: December 26, 2017
    Assignee: GN NETCOM A/S
    Inventor: Chang Ho Lee