Patents by Inventor Yong Chu

Yong Chu 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).

  • DUAL MODE DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20130314633
    Abstract: A dual mode display apparatus according to the inventive concept includes a lower substrate, a first lower electrode on the lower substrate, a light switching layer on the first lower electrode, a first upper electrode on the light switching layer, a passivation layer on the first upper electrode, a contact plug connected to the first upper electrode and penetrating the passivation layer, a second lower electrode on the contact plug and the passivation layer, an organic light-emitting layer on the second lower electrode, a second upper electrode on the organic light-emitting layer, and an upper substrate on the second upper electrode.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 28, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae Bon KOO, Hojun RYU, Chi-Sun HWANG, JEONG IK LEE, Hye Yong CHU
  • DUAL-MODE DISPLAY DEVICE AND METHOD OF MANUFACTURING SAME
    Publication number: 20130314634
    Abstract: Provided are a dual-mode display device and a method of manufacturing the same. The device includes a lower substrate, an upper substrate facing the lower substrate, a thin-film transistor portion between the upper substrate and the lower substrate, a first anode on one side of the thin-film transistor portion, a first cathode between the first anode and the upper substrate, an organic light-emitting layer between the first cathode and the first anode, a second anode on the other side of the thin-film transistor portion, a second cathode between the second anode and the upper substrate, or the second anode and the lower substrate, and a optical switching layer between the second cathode and the second anode.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 28, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae Bon KOO, JEONG IK LEE, Chi-Sun HWANG, Hojun RYU, Hye Yong CHU
  • Method of manufacturing transparent transistor with multi-layered structures
    Patent number: 8546199
    Abstract: A method of manufacturing a transparent transistor including a substrate, source and drain electrodes formed on the substrate, each having a multi-layered structure of a lower transparent layer, a metal layer and an upper transparent layer, a channel formed between the source and drain electrodes, and a gate electrode aligned with the channel. The lower transparent layer or the upper transparent layer is formed of a transparent semiconductor layer, which is the same as the channel.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: October 1, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Min Ki Ryu, Chi Sun Hwang, Chun Won Byun, Hye Yong Chu, Kyoung Ik Cho
  • Method of manufacturing transparent transistor with multi-layered structures
    Patent number: 8546198
    Abstract: A method of manufacturing a transparent transistor including a substrate, source and drain electrodes formed on the substrate, each having a multi-layered structure of a lower transparent layer, a metal layer and an upper transparent layer, a channel formed between the source and drain electrodes, and a gate electrode aligned with the channel. The lower transparent layer or the upper transparent layer is formed of a transparent semiconductor layer, which is the same as the channel.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: October 1, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Min Ki Ryu, Chi Sun Hwang, Chun Won Byun, Hye Yong Chu, Kyoung Ik Cho
  • ORGANIC-INORGAIC HYBRID POLYAMIC ESTER, METHOD OF FABRICATING THE SAME, AND METHOD OF FABRICATING A FILM THEREOF
    Publication number: 20130156960
    Abstract: Provided are organic-inorganic hybrid polyamic ester, method of fabricating the same, and method of fabricating a film thereof. The polyamic ester is formed by chemically reacting an inorganic precursor containing inorganic and/or metal element with a polyamic acid having two carboxyl acid of good reactivity per a polymer repeating unit. The inorganic alkoxide is hydrolyzed to be the corresponding inorganic hydroxide. The hydroxyl group is reacted with the carboxylic acid of the polyamic acid and with the hydroxyl group of the other inorganic hydroxide. Therefore, the polyamic ester can steadily include more inorganic materials. The content amount of the inorganic material is relatively high, so that the polyamic ester may have superior refractive index, chemical and heat resistances.
    Type: Application
    Filed: September 14, 2012
    Publication date: June 20, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Koo PARK, Jeong Ik LEE, Doo-Hee CHO, Hye Yong CHU, Chul Woong JOO
  • METHOD OF FABRICATING ORGANIC LIGHT EMITTING DIODE
    Publication number: 20130149803
    Abstract: Provided is a method of fabricating an organic light emitting diode. The method may include preparing a substrate, forming a textured portion on the substrate, the textured portion including protruding patterns randomly and irregularly arranged on the substrate, forming a planarization layer on the substrate to planarize the substrate formed with the textured portion, forming a first electrode on the planarization layer, forming an organic light emitting layer on the first electrode, and forming a second electrode on the organic light emitting layer.
    Type: Application
    Filed: September 7, 2012
    Publication date: June 13, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jaehyun MOON, Jeong Ik Lee, Doo-Hee Cho, Seung Koo Park, Hye Yong Chu, Joo Hyun Hwang, Jin Wook Shin, Jun-Han Han, Chul Woong Joo, Jin Woo Huh, Byoung Gon Yu
  • Organic-light-emitting-diode flat-panel light-source apparatus
    Patent number: 8421064
    Abstract: Provided are an organic-light-emitting-diode (OLED) flat-panel light-source apparatus and a method of manufacturing the same. The device includes an anode and a cathode, to which externally applied power is supplied, disposed on a substrate, an organic emission layer (EML) interposed between the anode and the cathode and configured to emit light due to power supplied through the anode and the cathode, and a subsidiary electrode layer including a plurality of subsidiary electrodes bonded to the anode or the cathode and configured to supply power to the anode or the cathode or electrically insulated from the anode or the cathode and configured to supply power to other emission regions.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: April 16, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jun Han Han, Hye Yong Chu, Jeong Ik Lee, Doo Hee Cho, Jong Hee Lee, Joo Won Lee, Jin Wook Shin
  • Method of manufacturing transparent transistor with multi-layered structures
    Patent number: 8409935
    Abstract: A method of manufacturing a transparent transistor including a substrate, source and drain electrodes formed on the substrate, each having a multi-layered structure of a lower transparent layer, a metal layer and an upper transparent layer, a channel formed between the source and drain electrodes, and a gate electrode aligned with the channel. The lower transparent layer or the upper transparent layer is formed of a transparent semiconductor layer, which is the same as the channel.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: April 2, 2013
    Assignee: Electronics and Telcommunications Research Institute
    Inventors: Min Ki Ryu, Chi Sun Hwang, Chun Won Byun, Hye Yong Chu, Kyoung Ik Cho
  • Method of fabricating an organic light emitting diode using phase separation
    Patent number: 8408960
    Abstract: A method of fabricating an organic light emitting diode using phase separation. The method includes preparing a transparent substrate. A first light path control layer is formed on the transparent substrate. The first light path control layer includes a mixture of a first medium and a second medium having a lower refractive index than the first medium using the phase separation. An anode, an organic emission layer, and a cathode are sequentially stacked on the first light path control layer. In this method, an OLED with improved light extraction efficiency can be fabricated using a simple and inexpensive process.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: April 2, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Doo Hee Cho, Jeong Ik Lee, Jin Wook Shin, Jong Hee Lee, Hye Yong Chu, Joo Won Lee, Jun Han Han
  • ORGANIC LIGHT EMITTING DIODES AND METHODS OF MANUFACTURING THE SAME
    Publication number: 20130056711
    Abstract: The inventive concept provides organic light emitting diodes and methods of manufacturing an organic light emitting diode. The organic light emitting diode includes a substrate, a first electrode layer and a second electrode layer formed on the substrate, an organic light emitting layer disposed between the first electrode layer and the second electrode layer and generating light, and a scattering layer between the first electrode layer and the substrate or between the first electrode layer and the organic light emitting layer. The scattering layer scatters the light.
    Type: Application
    Filed: June 12, 2012
    Publication date: March 7, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Woo Huh, Jeong Ik Lee, Chul Woong Joo, Doo-Hee Cho, Jin Wook Shin, Jaehyun Moon, Jun-Han Han, Joo Hyun Hwang, Hye Yong Chu, Byoung Gon Yu
  • COLOR TUNABLE ORGANIC LIGHT EMITTING DIODE
    Publication number: 20130049046
    Abstract: The inventive concept provides an organic light emitting diode that can change its color. A color change is embodied by a micro cavity effect caused by a metal thin film partly formed on a positive pole. The organic light emitting diode includes a positive pole, an organic luminous layer and a negative pole that can be sequentially stacked on a substrate, and further include a metal thin film layer having first strip lines extending in a first direction and being arranged in a second direction crossing the first direction on the positive pole.
    Type: Application
    Filed: July 24, 2012
    Publication date: February 28, 2013
    Applicant: ELECTRONICS AND TELECOMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jaehyun MOON, Hye Yong CHU, Jeong Ik LEE, Doo-Hee CHO, Jin Wook SHIN, Jun-Han HAN, Jin Woo HUH, Joo Hyun HWANG, Chul Woong JOO, Byoung Gon YU
  • ORGANIC LIGHT EMITTING DEVICES
    Publication number: 20130032840
    Abstract: Organic light emitting devices are provided. The organic light emitting device may include a substrate having a first refractive index, a first electrode on the substrate, a second electrode disposed between the substrate and the first electrode and having a thickness equal to or greater than one-hundredth of a minimum wavelength of visible light and equal to or smaller than five-hundredths of a maximum wavelength of the visible light, and an organic light emitting layer disposed between the first and second electrodes and having a second refractive index.
    Type: Application
    Filed: May 30, 2012
    Publication date: February 7, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Doo-Hee CHO, Hey Yong Chu, Jeong Ik Lee, Jaehyun Moon, Jin Wook Shin, Jun-Han Han, Jin Woo Huh, Joo Hyun Hwang, Chul Woong Joo
  • LIGHT EMITTING DEVICES AND METHODS OF MANUFACTURING THE SAME
    Publication number: 20130026521
    Abstract: The inventive concept provides light emitting devices and methods of manufacturing a light emitting device. The light emitting device may include a transparent substrate including a first region and a second region, a first transparent electrode disposed on a first surface of the transparent substrate, a second transparent electrode facing and spaced apart from the first transparent electrode, an organic light emitting layer disposed between the first and second transparent electrodes, an assistant electrode disposed between the first and second transparent electrodes and selectively masking the second region, and a light path changing structure disposed on a second surface of the transparent substrate and selectively masking the second region.
    Type: Application
    Filed: May 23, 2012
    Publication date: January 31, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jeong Ik LEE, Jin Woo Huh, Hye Yong Chu, Doo-Hee Cho, Jun-Han Han, Jin Wook Shin, Jaehyun Moon, Joo Hyun Hwang, Chul Woong Joo
  • Transparent smart light source capable of adjusting illumination direction
    Patent number: 8363301
    Abstract: A transparent smart light source capable of adjusting an illumination direction is provided. The transparent smart light source includes a reflectance/transmittance tunable device that adjusts an illumination direction by reflecting or transmitting light emitted from a transparent organic light-emitting diode (OLED) according to applied voltage, and thus can simply adjust the illumination direction according to purpose. Accordingly, it is possible to prevent optical loss in an unnecessary direction, and power consumption can be reduced. Furthermore, the transparent smart light source can serve as a curtain blocking out external light, as well as a lighting device, and also can be combined with a solar cell to generate electric power.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: January 29, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong Ik Lee, Hye Yong Chu, Jong Hee Lee
  • METHOD OF MANUFACTURING TRANSPARENT TRANSISTOR WITH MULTI-LAYERED STRUCTURES
    Publication number: 20120315729
    Abstract: A method of manufacturing a transparent transistor including a substrate, source and drain electrodes formed on the substrate, each having a multi-layered structure of a lower transparent layer, a metal layer and an upper transparent layer, a channel formed between the source and drain electrodes, and a gate electrode aligned with the channel. The lower transparent layer or the upper transparent layer is formed of a transparent semiconductor layer, which is the same as the channel.
    Type: Application
    Filed: August 21, 2012
    Publication date: December 13, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Min Ki RYU, Chi Sun Hwang, Chun Won Byun, Hye Yong Chu, Kyoung Ik Cho
  • Organic electroluminescence device
    Patent number: 8314542
    Abstract: Provided is an organic electroluminescence device. The organic electroluminescence device includes: a first device including a first substrate, a first electrode, a first organic light emitting layer and a second electrode, the first electrode, the first organic light emitting layer and the second electrode being sequentially stacked on the first substrate; a second device facing the first device and including a second substrate, a third electrode, a second organic light emitting layer and a fourth electrode, the third electrode, the second organic light emitting layer and the fourth electrode being sequentially stacked on the second substrate; and a bonding layer bonding the first device with the second device, wherein one of lights emitted from the first and second organic light emitting layers resonates in one of the first device or the second device.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: November 20, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong Ik Lee, Hye Yong Chu, Doo-Hee Cho, Jun-Han Han, Jin Wook Shin
  • Environmental gas sensor and method of manufacturing the same
    Patent number: 8281642
    Abstract: Provided are an environmental gas sensor and a method of manufacturing the same. The environmental gas sensor includes an insulating substrate, metal electrodes formed on the insulating substrate, and a sensing layer in which different kinds of nanofibers are arranged perpendicular to each other on the metal electrodes. Thus, the environmental gas sensor can simultaneously sense two kinds of gases.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: October 9, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Su Jae Lee, Jin Ah Park, Jae Hyun Moon, Seong Hyun Kim, Tae Hyoung Zyung, Hye Yong Chu
  • Transparent transistor with multi-layered structures and method of manufacturing the same
    Patent number: 8269220
    Abstract: Provided is a transparent transistor including a substrate, source and drain electrodes formed on the substrate, each having a multi-layered structure of a lower transparent layer, a metal layer and an upper transparent layer, a channel formed between the source and drain electrodes, and a gate electrode aligned with the channel. Here, the lower transparent layer or the upper transparent layer is formed of a transparent semiconductor layer, which is the same as the channel. Thus, the use of the multi-layered transparent conductive layer can ensure transparency and conductivity, overcome a problem of contact resistance between the source and drain electrodes and a semiconductor, and improve processibility by patterning the multi-layered transparent conductive layer all at once, while deposition is performed layer by layer.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: September 18, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Min Ki Ryu, Chi Sun Hwang, Chun Won Byun, Hye Yong Chu, Kyoung Ik Cho
  • Microcalcification detection in mammography CAD using a classifier
    Patent number: 8260014
    Abstract: A system is disclosed that is configured for microcalcifications (mcc) detecting by forming a plurality of true mcc clusters and a plurality of normal clusters, gathering spot and cluster features from said clusters, extracting linear structure features, and using said spot, cluster and linear structure features in mcc detector algorithm training.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: September 4, 2012
    Assignee: Carestream Health, Inc.
    Inventors: Shoupu Chen, Yong Chu
  • Combination organic light emitting diode panel and grounding unit
    Patent number: 8242677
    Abstract: Provided is an organic light emitting diode (OLED) panel for lighting, including an organic layer emitting light by reaction in response to power supplied by a positive electrode and a negative electrode, a protection cap protecting the organic layer from external moisture and oxygen, a cover film attached to upper surfaces of the positive electrode and negative electrode, and serving as a ground for the positive electrode and the negative electrode, and a conductive metal layer grounding the positive electrode and the negative electrode to the cover film.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: August 14, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hye Yong Chu, Jeong Ik Lee, Doo Hee Cho, Jun Han Han, Joo Won Lee, Jin Wook Shin, Jong Hee Lee