Patents by Inventor Seon-Tae Yoon

Seon-Tae 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: 8896902
    Abstract: A microelectromechanical system substrate includes a first substrate and an optical gate that is disposed on the first substrate and configured to move to at least two different positions. The optical gate comprises a color filter and a light absorbing section. A display apparatus includes a first substrate; a second substrate that faces the first substrate; an optical gate disposed on the first substrate, configured to move to at least two different positions, and comprising a color filter and a light absorbing section; and a light shielding layer that contacts the second substrate.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Hyun Min Cho, Jae Byung Park, Yu-Kwan Kim, Donchan Cho
  • Patent number: 8842354
    Abstract: A display substrate includes a base substrate, a micro shutter, a first driving electrode, a second driving electrode, and a plurality of anchors. The micro shutter includes a flat portion having at least one opening, a main concave portion adjacent to the opening and extending in from the flat portion to a first depth, and at least one sub-concave portion extending in from a bottom surface of the main concave portion to second depth. The first driving electrode is connected to a first side of the micro shutter. The second driving electrode is connected to a second side of the micro shutter. The second side is positioned opposite to the first side. The anchors fix the first and second driving electrodes on the base substrate.
    Type: Grant
    Filed: January 16, 2012
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Min Cho, Sung-Sik Yun, Jae-Byung Park, Don-Chan Cho, Dae-Hyun Kim, Seon-Tae Yoon
  • Patent number: 8809889
    Abstract: A light emitting diode package includes a light emitting diode, an insulating layer, a plurality of light emitting particles, and a plurality of metal particles. The light emitting diode is configured to emit first light of a first wavelength in a visible light range. The insulating layer is disposed on the light emitting diode. The plurality of light emitting particles is dispersed in the insulating layer and is configured to receive the first light to generate a second light of a second wavelength different from the first wavelength. The plurality of metal particles is dispersed in the insulating layer, and is configured to receive at least one light component of the first light and the second light to cause, at least in part, surface plasmon resonance, the surface plasmon resonance being configured to yield a resonance wave comprising a peak wavelength in the range of the second wavelength.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Baek Hee Lee, Jong Hyuk Kang, Junghyun Kwon, Minki Nam, Jae Byung Park, Seon-Tae Yoon, Dong-Hoon Lee
  • Patent number: 8780430
    Abstract: A display apparatus includes a first substrate and a second substrate. The first substrate includes a light blocking layer and the second substrate includes a shutter part. The shutter part includes first, second, third, and fourth operators and a shutter. The first, second, third, and fourth operators are operated independently from each other in response to first, second, third, and fourth voltages, respectively. The shutter is connected to the first to fourth operators to be rotationally moved. Thus, the display apparatus display may display various gray scales.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: July 15, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Seok Kim, Seon-Tae Yoon, Jae Byung Park, Haeil Park
  • Publication number: 20140183582
    Abstract: A light emitting diode package includes a light emitting diode, an insulating layer, a plurality of light emitting particles, and a plurality of metal particles. The light emitting diode is configured to emit first light of a first wavelength in a visible light range. The insulating layer is disposed on the light emitting diode. The plurality of light emitting particles is dispersed in the insulating layer and is configured to receive the first light to generate a second light of a second wavelength different from the first wavelength. The plurality of metal particles is dispersed in the insulating layer, and is configured to receive at least one light component of the first light and the second light to cause, at least in part, surface plasmon resonance, the surface plasmon resonance being configured to yield a resonance wave comprising a peak wavelength in the range of the second wavelength.
    Type: Application
    Filed: April 26, 2013
    Publication date: July 3, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Baek Hee Lee, Jong Hyuk Kang, Junghyun Kwon, Minki Nam, Jae Byung Park, Seon-Tae Yoon, Dong-Hoon Lee
  • Publication number: 20140184668
    Abstract: A display apparatus includes a display panel, a panel driving part and a light-source part. The panel driving part provides the display panel with a first sub-frame data during a first sub-frame of an N-th frame (N is a natural number), provides the display panel with a second sub-frame data during a second sub-frame of the N-th frame and providing the display panel with a third sub-frame data during a third sub-frame of the N-th frame, the first sub-frame data including a plurality of data blocks, the data blocks adjacent to each other having color pixel data different from each other, the second sub-frame data including a plurality of data blocks having a color sequence different from the first sub-frame data, and the third sub-frame data including a plurality of data blocks having the color sequence different from the first and second sub-frame data.
    Type: Application
    Filed: May 14, 2013
    Publication date: July 3, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun-Deok IM, Kwang-Keun LEE, Jae-Byung PARK, Hyun-Min CHO, Seon-Tae YOON
  • Publication number: 20140152724
    Abstract: A display apparatus includes a display panel including a first subpixel having a first primary color, a second subpixel having a second primary color; and a transparent subpixel; a panel driver which sets grayscale data of the first subpixel, the second subpixel and the transparent subpixel; a light source part which provides light to the display panel, where the light source comprises a first light source and a second light source having colors different from each other; and a light source driver which turns on the first light source during a first subframe, turns on the second light source during a second subframe, and turns on the first light source during a third subframe, and a first frame comprises the first subframe, the second subframe and the third subframe.
    Type: Application
    Filed: May 7, 2013
    Publication date: June 5, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Byung PARK, Seon-Tae YOON, Jae-Woong KANG, Hae-Il PARK, Sung-Tae SHIN, Mun-Ki SIM, Kwang-Keun LEE, Hyun-Min CHO
  • Publication number: 20140146251
    Abstract: A 3D image display device includes: a backlight unit including a first color light source and a second color light source, which are alternately turned on; a display panel on a front side of the backlight unit and including a pixel, where the pixel includes a first subpixel including a first color filter and a second subpixel including a second color filter; a patterned circular polarizer on a front side of the display panel, extending substantially in a first direction, and including a first circular polarization part and a second circular polarization part having widths substantially the same as widths of the first subpixel and the second subpixel, respectively; and glasses including a left lens and a right lens, where each of the left lens and the right lens includes a plurality of circular polarization patterns and a shutter glass panel which turns on and off each circular polarization pattern.
    Type: Application
    Filed: May 3, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang Keun LEE, Mun-Ki SIM, Seon-Tae YOON, Jae Byung PARK, Hae Il PARK, Hyun Min CHO
  • Publication number: 20130335799
    Abstract: A display device includes a light source unit that emits a first light with a first wavelength, an optical filter that converts the first light to a second light, and an optical shutter that transmits or reflects the first light or the second light.
    Type: Application
    Filed: December 31, 2012
    Publication date: December 19, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seon-Tae YOON, Jong Hyuk Kang, Jae Byung Park, Mun-Ki Sim, Dae Hyun Kim, Minki Nam, Haeil Park, Dong-Hoon Lee, Hyun Min Cho
  • Patent number: 8462416
    Abstract: A micro-shutter includes a reflective layer, a shutter, and a first actuator. The reflective layer includes a plurality of first openings transmitting a portion of external light, and reflecting the remaining portion of the external light. The shutter includes a plurality of second openings corresponding to the first openings to transmit the portion of the external light. The first actuator is provided at one side of the shutter and includes at least three electrodes. The first actuator adjusts an overlap area between the first openings and the second openings according to a level of a voltage applied to the actuator electrodes.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: June 11, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Gunwoo Kim, Jae Byung Park, Hyun Min Cho
  • Publication number: 20130077145
    Abstract: A display apparatus includes a first substrate and a second substrate. The first substrate includes a light blocking layer and the second substrate includes a shutter part. The shutter part includes first, second, third, and fourth operators and a shutter. The first, second, third, and fourth operators are operated independently from each other in response to first, second, third, and fourth voltages, respectively. The shutter is connected to the first to fourth operators to be rotationally moved. Thus, the display apparatus display may display various gray scales.
    Type: Application
    Filed: February 27, 2012
    Publication date: March 28, 2013
    Inventors: Yong Seok Kim, Seon-Tae Yoon, Jae Byung Park, Haeil Park
  • Publication number: 20120293852
    Abstract: A display substrate includes a base substrate, a micro shutter, a first driving electrode, a second driving electrode, and a plurality of anchors. The micro shutter includes a flat portion having at least one opening, a main concave portion adjacent to the opening and extending in from the flat portion to a first depth, and at least one sub-concave portion extending in from a bottom surface of the main concave portion to second depth. The first driving electrode is connected to a first side of the micro shutter. The second driving electrode is connected to a second side of the micro shutter. The second side is positioned opposite to the first side. The anchors fix the first and second driving electrodes on the base substrate.
    Type: Application
    Filed: January 16, 2012
    Publication date: November 22, 2012
    Inventors: HYUN-MIN CHO, Sung-Sik YUN, Jae-Byung PARK, Don-Chan CHO, Dae-Hyun KIM, Seon-Tae YOON
  • Publication number: 20120250132
    Abstract: A display apparatus includes a first substrate, a second substrate facing the first substrate, and a plurality of pixels including a first pixel. The first substrate includes first openings through which a light is transmitted. The pixels are disposed on at least one of the first substrate and the second substrate. The first pixel includes a first flexible electrode, a second flexible electrode, and a shutter including second openings and disposed between the first and second flexible electrodes. The first flexible electrode receives a first voltage. The second flexible electrode receives a second voltage different from the first voltage. The shutter receives a third voltage. The shutter moves to the first flexible electrode or the second flexible electrode according to a level of the third voltage, thereby controlling the position of the second openings relative to the first openings to control the transmission of the light.
    Type: Application
    Filed: February 28, 2012
    Publication date: October 4, 2012
    Inventors: Seon-Tae YOON, Jae Byung Park, Hyun Min Cho, Dong-Hoon Lee, Mun-Ki Sim
  • Patent number: 8274473
    Abstract: An electro-optic display includes a first substrate provided thereon with a first electrode, a second substrate provided thereon with a second electrode forming an electric field in cooperation with the first electrode, and an electro-optic material interposed between the first and second substrates. The electro-optic material includes a non-polar solvent and a polar solvent dispersed in the non-polar solvent and controlled by the electric field. The first electrode is disposed on a non-display region of the first substrate including a plurality of pixels each of which having a display region, in which an image is displayed, and the non-display region adjacent to the display region. At least one of a reflective layer and a light sourcing layer defines an amount of light passed through the display area.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: September 25, 2012
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seon-Tae Yoon, Jae-Byung Park, Hae-Il Park, Sung-Jin Hong, Yu-Kwan Kim, Seul Lee
  • Publication number: 20120026205
    Abstract: A display panel includes first and second substrates. The first substrate includes a light blocking layer having an opening through the light blocking layer. The opening is arranged in a pixel area. The second substrate includes first and second transistors, first and second driving electrodes, and a shutter. The first transistor is turned on in response to a low level control voltage. The second transistor is electrically connected to the first transistor and is turned on in response to receiving a low level voltage from the first transistor. The first driving electrode is electrically connected to the first transistor, and the second driving electrode is electrically connected to the second transistor. The shutter exposes or covers the opening by moving to the first driving electrode or the second driving electrode according to the relative levels of voltages applied to the first and second driving electrodes.
    Type: Application
    Filed: January 20, 2011
    Publication date: February 2, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon-Tae YOON, Ki-Soo PARK, Jae-Byung PARK, Mun-Ki SIM
  • Patent number: 8027078
    Abstract: The present invention relates to a display device using a microelectromechanical system (MEMS) and to a manufacturing method thereof. A display device using a MEMS includes a first substrate comprising a first index of refraction; a second substrate facing the first substrate; a reflective layer formed on the first substrate and having a first aperture; a transparent layer covering the first aperture and comprising a second refractive index; and a shutter arranged on the second substrate, wherein a difference between the first refractive index and the second refractive index is equal to or less than 0.1.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: September 27, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Min Cho, Sung-Jin Kim, Yu-Kwan Kim, Don-Chan Cho, Seul Lee, Jae-Byung Park, Su-Gyeong Lee, Seon-Tae Yoon
  • Patent number: 8008848
    Abstract: A field emitting device includes a base substrate and at least three light emitting units and configured to respectively emit at least three lights having different wavelengths from each other. Each light emitting unit includes a first electrode arranged on the base substrate, a field emitter arranged on the base substrate, an insulating layer arranged on the first electrode and including an opening to expose the field emitter, a second electrode arranged on the insulating later to control an operation of the field emitter, a third electrode facing the first electrode, and a fluorescent layer arranged on a surface of the third electrode facing the first electrode. A transmissive area is located between the florescent layers of two adjacent light emitting units.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: August 30, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Haeil Park, Jae Byung Park, Donchan Cho, Jinseob Byun, Sung-Jin Hong, Yu-Kwan Kim, Seon-Tae Yoon, Gunwoo Kim, Seul Lee
  • Publication number: 20110157676
    Abstract: A microelectromechanical system substrate includes a first substrate and an optical gate that is disposed on the first substrate and configured to move to at least two different positions. The optical gate comprises a color filter and a light absorbing section. A display apparatus includes a first substrate; a second substrate that faces the first substrate; an optical gate disposed on the first substrate, configured to move to at least two different positions, and comprising a color filter and a light absorbing section; and a light shielding layer that contacts the second substrate.
    Type: Application
    Filed: August 17, 2010
    Publication date: June 30, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon-Tae YOON, Hyun Min CHO, Jae Byung PARK, Yu-Kwan KIM, Donchan CHO
  • Patent number: 7940450
    Abstract: An electro-optic display apparatus includes a first electrode, a second electrode, an electro-optic material, and an insulating layer. The second electrode faces the first electrode to form an electric field in cooperation with the first electrode. The electro-optic material is disposed between the first and second electrodes. The insulating layer is arranged on a surface of at least one of the first electrode and the second electrode and contacts the electro-optic material. The electro-optic material includes a non-polar solvent forming a continuous phase, and a polar solvent dispersed in the non-polar solvent to form a droplet controlled by the electric field.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: May 10, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jin Hong, Hae-Il Park, Jae-Byung Park, Seon-Tae Yoon
  • Publication number: 20110102876
    Abstract: The present invention relates to a display device using a microelectromechanical system (MEMS) and to a manufacturing method thereof. A display device using a MEMS includes a first substrate comprising a first index of refraction; a second substrate facing the first substrate; a reflective layer formed on the first substrate and having a first aperture; a transparent layer covering the first aperture and comprising a second refractive index; and a shutter arranged on the second substrate, wherein a difference between the first refractive index and the second refractive index is equal to or less than 0.1.
    Type: Application
    Filed: April 22, 2010
    Publication date: May 5, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Min CHO, Sung-Jin Kim, Yu-Kwan Kim, Don-Chan Cho, Seul Lee, Jae-Byung Park, Su-Gyeong Lee, Seon-Tae Yoon