Patents by Inventor Tae-Hoon Yoon

Tae-Hoon Yoon 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).

  • Patent number: 8994910
    Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: March 31, 2015
    Assignees: Samsung Display Co., Ltd., Institute for Research & Industry Cooperation, PNU
    Inventors: Soon-Joon Rho, Hyeok-Jin Lee, Ji-Hong Bae, Jun-Ha Park, Hye-Lim Jang, Tae-Hoon Yoon, Dong-Han Song, Ki-Han Kim, Jung-Wook Kim
  • Publication number: 20140125895
    Abstract: A liquid crystal display panel includes a lower substrate, an upper substrate and a liquid crystal layer. The lower substrate includes a first base substrate and a pixel electrode formed on the first base substrate. The first base substrate includes a first sub pixel area and a second sub pixel area. The upper substrate includes a second base substrate and a common electrode formed on the second base substrate. The liquid crystal layer is interposed between the lower substrate and the upper substrate, and includes a first polymer disposed in the first sub pixel area and a second polymer disposed in the second pixel area. The first polymer has a first pre-tilt, and the second polymer has a second pre-tilt different from the first pre-tilt. Thus, a display quality of a liquid crystal display apparatus including the liquid crystal display panel may be enhanced.
    Type: Application
    Filed: February 22, 2013
    Publication date: May 8, 2014
    Applicants: Pusan National University Industry-University Cooperation Foundation, Samsung Display Co., Ltd.
    Inventors: Hoon KIM, Ki-Chul SHIN, Tae-Hoon YOON, Ki-Han KIM, Sun-Wook CHOI
  • Publication number: 20140110868
    Abstract: A method for forming a display device includes forming a liquid crystal layer between a first substrate and a second substrate spaced apart from the first substrate, in which the liquid crystal layer includes a liquid crystal composition including a reactive mesogen, applying an electric field to the liquid crystal layer, firstly curing the liquid crystal layer at a temperature from about ?20° C. to about 60° C., and secondly curing the liquid crystal layer without applying the electric field. The liquid crystal composition includes the reactive mesogen in an amount exceeding 0 percent by weight and equal to or smaller than about 30 percent by weight relative to a total weight of the liquid crystal composition.
    Type: Application
    Filed: April 2, 2013
    Publication date: April 24, 2014
    Applicants: Pusan National Univ. Industry-University Cooperati, Samsung Display Co., Ltd.
    Inventors: Soon Joon RHO, Hyunggeun YOON, Hyelim JANG, Hyeokjin LEE, Jung Wook KIM, Dong Han SONG, Tae Hoon YOON
  • Publication number: 20140049731
    Abstract: A horizontal electric field-type liquid crystal display (LCD) device is provided. The LCD device includes first and second substrates disposed opposite and apart from each other, a first electrode formed on an inner surface of the first substrate, a second electrode corresponding to the first electrode and configured to generate an electric field, and a liquid crystal (LC) layer formed between the first and second substrates, the LC layer including a polymer network and LC molecules confined in multiple domains by the polymer network.
    Type: Application
    Filed: December 21, 2012
    Publication date: February 20, 2014
    Applicants: Pusan National University Industry-University Cooperation Foundation, LG DISPLAY CO., LTD.
    Inventors: Sung-Il PARK, Sung-Gu KANG, Yu-Ri SHIM, Sun-Yong LEE, Tae-Hoon YOON, Byung-Wok PARK, Byeong-Hun YU, Dong-Han SONG, Sun-Wook CHOI
  • Patent number: 8634043
    Abstract: A transflective liquid crystal display includes a liquid crystal panel including a first substrate, a second substrate, a liquid crystal layer, the first and second substrates arranged to face each other and the liquid crystal layer between the first and second substrates, a reflection polarizer and an absorption polarizer at opposing outer sides of the liquid crystal panel, and a backlight unit at an outer side of the liquid crystal panel and supplying light to the inside of the liquid crystal panel. A reflective axis of the reflection polarizer is parallel with a transmissive axis of the absorption polarizer, the transmissive axis of the reflection polarizer perpendicularly crosses the transmissive axis of the absorption polarize, and the liquid crystal layer includes liquid crystal molecules and a dichroic dye.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: January 21, 2014
    Assignees: Samsung Display Co., Ltd., Pusan National University Industry-University Cooperation Foundation
    Inventors: Byoung Ho Cheong, Jae-Ho You, Soon-Joon Rho, Jae-Chang Kim, Tae-Hoon Yoon, Ki-Han Kim, Hye-Jung Jin
  • Publication number: 20130215346
    Abstract: A liquid crystal display is provided. A liquid crystal display according to an exemplary embodiment of the present invention includes a first substrate, a second substrate facing the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate, wherein the liquid crystal layer includes liquid crystal molecules and nanoparticles including a hydrophobic group having a chain structure and a hydrophilic group.
    Type: Application
    Filed: July 30, 2012
    Publication date: August 22, 2013
    Applicants: Pusan National University Industry-University Cooperation Foundation, SAMSUNG DISPLAY CO., LTD.
    Inventors: Gak Seok LEE, Hee Seop KIM, Ki Chul SHIN, Ki-Han KIM, Byung Wok PARK, Tae-Hoon YOON, Eun Young JEON, Ji-Hoon LEE
  • Publication number: 20130077038
    Abstract: In a display panel and a method of manufacturing the display panel, the display panel includes a display substrate including a first electrode and a second electrode insulated from the first electrode and disposed on the first electrode, an opposite substrate including a third electrode facing the second electrode, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The liquid crystal layer includes liquid crystal molecules, a reactive mesogen polymer, and nano-rods.
    Type: Application
    Filed: June 15, 2012
    Publication date: March 28, 2013
    Applicants: INSTITUTE FOR RESEARCH & INDUSTRY COOPERATION, PNU, SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Joon RHO, Hyeok-Jin LEE, Ji-Hong BAE, Jun-Ha PARK, Hye-Lim JANG, Tae-Hoon YOON, Dong-Han SONG, Ki-Han KIM, Jung-Wook KIM
  • Patent number: 8358533
    Abstract: A phase-change memory device includes: a unit cell including a phase-change resistor; a sense amplifier applying a sensing current to the phase-change resistor; and a switching unit operating in a standby mode or a read mode according to a global line signal and controlling passing presence of the sensing current passing through the phase-change resistor according to an active signal in the standby mode.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: January 22, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Tae Hoon Yoon, Hyuck Soo Yoon
  • Publication number: 20120194763
    Abstract: A transflective liquid crystal display includes a liquid crystal panel including a first substrate, a second substrate, a liquid crystal layer, the first and second substrates arranged to face each other and the liquid crystal layer between the first and second substrates, a reflection polarizer and an absorption polarizer at opposing outer sides of the liquid crystal panel, and a backlight unit at an outer side of the liquid crystal panel and supplying light to the inside of the liquid crystal panel. A reflective axis of the reflection polarizer is parallel with a transmissive axis of the absorption polarizer, the transmissive axis of the reflection polarizer perpendicularly crosses the transmissive axis of the absorption polarize, and the liquid crystal layer includes liquid crystal molecules and a dichroic dye.
    Type: Application
    Filed: November 1, 2011
    Publication date: August 2, 2012
    Applicants: Pusan National University Industry-University Cooperation Foundation, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-Ho CHEONG, Jae-Ho YOU, Soon-Joon RHO, Jae-Chang KIM, Tae-Hoon YOON, Ki-Han KIM, Hye-Jung JIN
  • Patent number: 8199293
    Abstract: A method of manufacturing a liquid crystal display includes; disposing a thin film transistor having an output terminal on a first substrate, disposing a pixel electrode in connection with the output terminal, disposing an inorganic layer on the pixel electrode, and converting the inorganic layer to a first alignment layer by disposing a mask on the inorganic layer and radiating an ion beam in a plurality of directions.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: June 12, 2012
    Assignees: Samsung Electronics Co., Ltd., Pusan National University Industry-University Cooperation Foundation
    Inventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Bong-Kyun Jo
  • Patent number: 8184249
    Abstract: A liquid crystal display device includes: a first substrate having a black matrix, a color filter layer and a common electrode; a second substrate having gate lines, data lines and thin film transistors connected to pixel electrodes; a first alignment layer on the first substrate; a second alignment layer on the second substrate; and a liquid crystal layer having a plurality of liquid crystal molecules and positioned between the first and second alignment layers, wherein each of the first and second alignment layers has a first area with ion-altered side chains and a second area with non-altered side chains.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: May 22, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Kyung Chan Kim, Tae Hoon Yoon, Jae Chang Kim, Joo Hong Seo, Chang Ho Oh, Ji Chul Lim
  • Publication number: 20110292720
    Abstract: A phase-change memory device includes: a unit cell including a phase-change resistor; a sense amplifier applying a sensing current to the phase-change resistor; and a switching unit operating in a standby mode or a read mode according to a global line signal and controlling passing presence of the sensing current passing through the phase-change resistor according to an active signal in the standby mode.
    Type: Application
    Filed: July 12, 2010
    Publication date: December 1, 2011
    Applicant: Hynix Semiconductor Inc.
    Inventors: Tae Hoon YOON, Hyuck Soo Yoon
  • Patent number: 8049852
    Abstract: The present invention relates to a method of manufacturing a liquid crystal display, the method including; disposing a thin film transistor having an input terminal and an output terminal on a first substrate, connecting a pixel electrode to the output terminal, disposing an organic layer on the pixel electrode, forming a first alignment layer having at least two different alignment directions by disposing a mask on the organic layer and radiating an ion beam to the organic layer, disposing a common electrode on a second substrate corresponding to the first substrate, forming a second alignment layer having at least two different alignment directions on the common electrode, and disposing a liquid crystal layer between the first alignment layer and the second alignment layer.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: November 1, 2011
    Assignees: Samsung Electronics Co., Ltd., Pusan National University
    Inventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Bong-Kyun Jo
  • Patent number: 7800724
    Abstract: The present invention provides a liquid crystal display (“LCD”) panel and manufacturing method thereof. The LCD panel in accordance with the present invention includes a lower substrate including a thin film transistor and a pixel electrode, an upper substrate including a common electrode facing the lower substrate, a liquid crystal layer formed between the upper and lower substrates, and an alignment layer formed of an inorganic substance containing silicon (Si), oxygen (O), and carbon (C) on the upper and lower substrates. The transmittance of light through the LCD panel is high and is practically independent of the deposition temperature of the SiOC alignment layer over a wide range of deposition temperatures. The deposition of the alignment layer can be performed over a wide range of deposition temperatures while maintaining high levels of light transmission.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: September 21, 2010
    Assignees: Samsung Electronics Co., Ltd., Pusan National University
    Inventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Jeung-Hun Park
  • Publication number: 20090296034
    Abstract: The present invention relates to a method of manufacturing a liquid crystal display, the method including; disposing a thin film transistor having an input terminal and an output terminal on a first substrate, connecting a pixel electrode to the output terminal, disposing an organic layer on the pixel electrode, forming a first alignment layer having at least tow different alignment directions by disposing a mask on the organic layer and radiating an ion beam to the organic layer, disposing a common electrode on a second substrate corresponding to the first substrate, forming a second alignment layer having at least tow different alignment directions on the common electrode, and disposing a liquid crystal layer between the first alignment layer and the second alignment layer.
    Type: Application
    Filed: April 9, 2009
    Publication date: December 3, 2009
    Applicant: Samsunsg Electronics Co., Ltd.
    Inventors: Soon-Joon RHO, Jang-Sub KIM, Baek-Kyun JEON, Hee-Keun LEE, Jae-Chang KIM, Tae-Hoon YOON, Phil-Kook SON, Bong-Kyun JO
  • Publication number: 20090284672
    Abstract: A liquid crystal display includes a first substrate, a second substrate facing an inside surface of the first substrate with a predetermined interval therebetween, a first electrode and a second electrode formed on at least one of the first substrate and the second substrate, partitions formed between the first substrate and the second substrate and dividing the space between the first substrate and the second substrate into a plurality of sub-spaces, and an OCB mode liquid crystal filled in the sub-spaces. The liquid crystal display is driven through a change of a bend arrangement by applying a second voltage that is less than the first voltage between the first electrode and the second electrode after being transitioned from an initial splay arrangement to a bend arrangement by applying a first voltage between the first electrode and the second electrode.
    Type: Application
    Filed: March 19, 2009
    Publication date: November 19, 2009
    Inventors: Bong-Jin Baek, Hye-Sung Kim, Jae-Chang Kim, Tae-Hoon Yoon, Won-Sang Park, Seong-Ryong Lee
  • Publication number: 20090244461
    Abstract: A method of manufacturing a liquid crystal display includes; disposing a thin film transistor having an output terminal on a first substrate, disposing a pixel electrode in connection with the output terminal, disposing an inorganic layer on the pixel electrode, and converting the inorganic layer to a first alignment layer by disposing a mask on the inorganic layer and radiating an ion beam in a plurality of directions.
    Type: Application
    Filed: December 12, 2008
    Publication date: October 1, 2009
    Applicants: Samsung Electronics Co., Ltd., Pusan National University Industry-University Cooperation Foundation
    Inventors: Soon-Joon RHO, Jang-Sub KIM, Baek-Kyun JEON, Hee-Keun LEE, Jae-Chang KIM, Tae-Hoon YOON, Phil-Kook SON, Bong-Kyun JO
  • Publication number: 20090207356
    Abstract: A liquid crystal display device includes: a first substrate having a black matrix, a color filter layer and a common electrode; a second substrate having gate lines, data lines and thin film transistors connected to pixel electrodes; a first alignment layer on the first substrate; a second alignment layer on the second substrate; and a liquid crystal layer having a plurality of liquid crystal molecules and positioned between the first and second alignment layers, wherein each of the first and second alignment layers has a first area with ion-altered side chains and a second area with non-altered side chains.
    Type: Application
    Filed: June 24, 2008
    Publication date: August 20, 2009
    Applicant: LG.DISPLAY CO., LTD.
    Inventors: Kyung Chan Kim, Tae Hoon Yoon, Jae Chang Kim, Joo Hong Seo, Chang Ho Oh, Ji Chul Lim
  • Publication number: 20090207116
    Abstract: A liquid crystal display includes a first substrate, a first field generating electrode formed on the first substrate, a second substrate facing the first substrate, a second field generating electrode formed on the second substrate, and a liquid crystal layer formed between the first field generating electrode and the second field generating electrode, wherein at least one of the first field generating electrode and the second field generating electrode includes zinc aluminum oxide (ZAO), and the driving voltage is in a range of about 3.7 volts to about 5.6 volts for a transmittance of 90% (T90).
    Type: Application
    Filed: January 8, 2009
    Publication date: August 20, 2009
    Inventors: Soon Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hyeok-Jin Lee, Hong-Jo Park, Min-Sik Jung, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Jeung-Hun Park
  • Publication number: 20080158492
    Abstract: The present invention provides a liquid crystal display (“LCD”) panel and manufacturing method thereof. The LCD panel in accordance with the present invention includes a lower substrate including a thin film transistor and a pixel electrode, an upper substrate including a common electrode facing the lower substrate, a liquid crystal layer formed between the upper and lower substrates, and an alignment layer formed of an inorganic substance containing silicon (Si), oxygen (O), and carbon (C) on the upper and lower substrates. The transmittance of light through the LCD panel is high and is practically independent of the deposition temperature of the SiOC alignment layer over a wide range of deposition temperatures. The deposition of the alignment layer can be performed over a wide range of deposition temperatures while maintaining high levels of light transmission.
    Type: Application
    Filed: December 4, 2007
    Publication date: July 3, 2008
    Inventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Jeung-Hun Park