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).
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Patent number: 8994910Abstract: 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: GrantFiled: June 15, 2012Date of Patent: March 31, 2015Assignees: Samsung Display Co., Ltd., Institute for Research & Industry Cooperation, PNUInventors: 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
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Publication number: 20140125895Abstract: 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: ApplicationFiled: February 22, 2013Publication date: May 8, 2014Applicants: 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
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Publication number: 20140110868Abstract: 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: ApplicationFiled: April 2, 2013Publication date: April 24, 2014Applicants: 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
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Publication number: 20140049731Abstract: 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: ApplicationFiled: December 21, 2012Publication date: February 20, 2014Applicants: 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
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Patent number: 8634043Abstract: 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: GrantFiled: November 1, 2011Date of Patent: January 21, 2014Assignees: Samsung Display Co., Ltd., Pusan National University Industry-University Cooperation FoundationInventors: Byoung Ho Cheong, Jae-Ho You, Soon-Joon Rho, Jae-Chang Kim, Tae-Hoon Yoon, Ki-Han Kim, Hye-Jung Jin
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Publication number: 20130215346Abstract: 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: ApplicationFiled: July 30, 2012Publication date: August 22, 2013Applicants: 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
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Publication number: 20130077038Abstract: 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: ApplicationFiled: June 15, 2012Publication date: March 28, 2013Applicants: 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
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Patent number: 8358533Abstract: 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: GrantFiled: July 12, 2010Date of Patent: January 22, 2013Assignee: Hynix Semiconductor Inc.Inventors: Tae Hoon Yoon, Hyuck Soo Yoon
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Publication number: 20120194763Abstract: 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: ApplicationFiled: November 1, 2011Publication date: August 2, 2012Applicants: 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
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Patent number: 8199293Abstract: 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: GrantFiled: December 12, 2008Date of Patent: June 12, 2012Assignees: Samsung Electronics Co., Ltd., Pusan National University Industry-University Cooperation FoundationInventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Bong-Kyun Jo
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Patent number: 8184249Abstract: 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: GrantFiled: June 24, 2008Date of Patent: May 22, 2012Assignee: LG Display Co., Ltd.Inventors: Kyung Chan Kim, Tae Hoon Yoon, Jae Chang Kim, Joo Hong Seo, Chang Ho Oh, Ji Chul Lim
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Publication number: 20110292720Abstract: 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: ApplicationFiled: July 12, 2010Publication date: December 1, 2011Applicant: Hynix Semiconductor Inc.Inventors: Tae Hoon YOON, Hyuck Soo Yoon
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Patent number: 8049852Abstract: 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: GrantFiled: April 9, 2009Date of Patent: November 1, 2011Assignees: Samsung Electronics Co., Ltd., Pusan National UniversityInventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Bong-Kyun Jo
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Patent number: 7800724Abstract: 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: GrantFiled: December 4, 2007Date of Patent: September 21, 2010Assignees: Samsung Electronics Co., Ltd., Pusan National UniversityInventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Jeung-Hun Park
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Publication number: 20090296034Abstract: 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: ApplicationFiled: April 9, 2009Publication date: December 3, 2009Applicant: 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
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Publication number: 20090284672Abstract: 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: ApplicationFiled: March 19, 2009Publication date: November 19, 2009Inventors: Bong-Jin Baek, Hye-Sung Kim, Jae-Chang Kim, Tae-Hoon Yoon, Won-Sang Park, Seong-Ryong Lee
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Publication number: 20090244461Abstract: 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: ApplicationFiled: December 12, 2008Publication date: October 1, 2009Applicants: Samsung Electronics Co., Ltd., Pusan National University Industry-University Cooperation FoundationInventors: Soon-Joon RHO, Jang-Sub KIM, Baek-Kyun JEON, Hee-Keun LEE, Jae-Chang KIM, Tae-Hoon YOON, Phil-Kook SON, Bong-Kyun JO
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Publication number: 20090207356Abstract: 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: ApplicationFiled: June 24, 2008Publication date: August 20, 2009Applicant: LG.DISPLAY CO., LTD.Inventors: Kyung Chan Kim, Tae Hoon Yoon, Jae Chang Kim, Joo Hong Seo, Chang Ho Oh, Ji Chul Lim
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Publication number: 20090207116Abstract: 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: ApplicationFiled: January 8, 2009Publication date: August 20, 2009Inventors: 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
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Publication number: 20080158492Abstract: 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: ApplicationFiled: December 4, 2007Publication date: July 3, 2008Inventors: Soon-Joon Rho, Jang-Sub Kim, Baek-Kyun Jeon, Hee-Keun Lee, Jae-Chang Kim, Tae-Hoon Yoon, Phil-Kook Son, Jeung-Hun Park