Patents by Inventor Hyoung Cheol Lee

Hyoung Cheol 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: 20160070135
    Abstract: A liquid crystal display (LCD) device, including a lower polarizing plate configured to have a transmission axis in a first direction, a liquid crystal layer on the lower polarizing plate, an upper polarizing plate on the liquid crystal layer, the upper polarizing plate including a first polarizing plate and a second polarizing plate, the first polarizing plate having a transmission axis in the first direction, the second polarizing plate having a transmission axis in a second direction perpendicular to the first direction, and color filters including a white filter and a colored filter, the white filter overlapping with the first polarizing plate, and the color filter overlapping with the second polarizing plate.
    Type: Application
    Filed: March 3, 2015
    Publication date: March 10, 2016
    Inventors: Wan Soon Im, Nam Seok Roh, Young Goo Song, Hyoung Cheol Lee, Yong Woo Hyung, Hyung June Kim, Joong Gun Chong, Jong Hak Hwang
  • Publication number: 20150241741
    Abstract: A curved display device includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first and second substrates, the liquid crystal layer including liquid crystal molecules, a first alignment layer including reactive mesogens which are polymerized with each other, the first alignment layer being disposed between the first substrate and the liquid crystal layer, and a second alignment layer disposed between the liquid crystal layer and the second substrate, where the reactive mesogens have a functional group having charges.
    Type: Application
    Filed: February 26, 2015
    Publication date: August 27, 2015
    Inventors: HYOUNG CHEOL LEE, Jang-Il KIM, OSUNG SEO, YeoGeon YOON, SooJeong HUH
  • Publication number: 20150187309
    Abstract: A display apparatus includes a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction intersecting the first direction, a plurality of auxiliary gate lines extending in the second direction, a plurality of auxiliary data lines extending in the first direction, a display panel including first pixels and second pixels, and a driving part controlling the display panel to display an image. The first pixels are connected to the plurality of gate lines and the plurality of data lines, respectively. The second pixels are connected to the plurality of auxiliary gate lines and the plurality of auxiliary data lines, respectively. The auxiliary gate lines correspond to the gate lines, respectively. Each of the auxiliary gate lines is electrically connected to the corresponding one of the gate lines.
    Type: Application
    Filed: July 31, 2014
    Publication date: July 2, 2015
    Inventors: Jang-Il KIM, Sei-yong PARK, Hyoung Cheol LEE, Sunghee HONG
  • Publication number: 20150185555
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first substrate. A first reflection layer is disposed under the first substrate. A first polarization layer is disposed on the first substrate. A light source is disposed at a side of the first substrate. A thin film transistor is disposed on the first polarization layer. A pixel electrode is connected to the thin film transistor. The first polarization layer includes a plurality of wire grid polarization patterns.
    Type: Application
    Filed: June 16, 2014
    Publication date: July 2, 2015
    Inventors: Jang-Il KIM, Yeo Geon Yoon, Hyoung Cheol Lee
  • Patent number: 9024323
    Abstract: Provided is an array substrate including a base substrate, a thin film transistor having a semiconductor layer disposed on a first part of the base substrate. The semiconductor layer includes a source electrode and a drain electrode, a gate electrode disposed on the semiconductor layer and insulated from the semiconductor layer. A light-blocking layer disposed between the base substrate and the thin film transistor. The light-blocking layer comprises a first layer continuously disposed on and around the first part of the base substrate, and a second layer formed on the first part of the base substrate without extending outside of the first part, the second layer being disposed on the first layer.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa Yeul Oh, Osung Seo, Jeanho Song, Hyoung Cheol Lee, Taekyung Yim
  • Publication number: 20150109266
    Abstract: A display panel includes a gate line extending substantially in a first direction, a first data line extending in a second direction substantially perpendicular to the first direction and a first switching element comprising a first electrode, a second electrode and a channel layer, where an end portion of the first electrode has a first edge oriented substantially perpendicular to a direction of extension of the first electrode, and the second electrode extends in a direction substantially opposite to the first electrode and an end portion of the second electrode has a second edge oriented substantially perpendicular to a direction of extension of the second electrode, and the channel layer substantially entirely covers both a lower surface of the first electrode and a lower surface of the second electrode.
    Type: Application
    Filed: August 22, 2014
    Publication date: April 23, 2015
    Inventors: Sung-Hee HONG, Jang-Il KIM, Sei-Yong PARK, Hyoung-Cheol LEE, Yeo-Geon YOON
  • Patent number: 9013665
    Abstract: Provided are a display device and a manufacturing method thereof capable of preventing aggregation of an alignment layer and maintaining uniformly a cell-gap. The display device according to an exemplary embodiment of the invention includes: a substrate including a plurality of pixel areas; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel area; a barrier layer formed on the pixel electrode; a roof layer formed on the barrier layer to be spaced apart from the barrier layer with a microcavity therebetween; and a liquid crystal formed to fill the microcavity.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: April 21, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Kyung Yim, Je Hyeong Park, O Sung Seo, Hyoung Cheol Lee
  • Publication number: 20140264350
    Abstract: Exemplary embodiments of the invention disclose a method of manufacturing a thin film transistor array panel having reduced overall processing time and providing a uniform crystallization. Exemplary embodiments of the invention also disclose a crystallization method of a thin film transistor, including forming on a substrate a semiconductor layer including a first pixel area, a second pixel area, and a third pixel area. The crystallization method includes crystallizing a portion of the semiconductor layer corresponding to a channel region of a thin film transistor using a micro lens array.
    Type: Application
    Filed: May 29, 2014
    Publication date: September 18, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joo-Han KIM, Hwa-Dong Jung, Wan-Soon Lim, Jee-Hun Lim, Joo Seok Yeom, Tae-Kyung Yim, Jae-Hak Lee, Hyuk Soon Kwon, Hyoung Cheol Lee, Jeong-Ju Park, Se-Myung Kwon, So-Young Koo
  • Publication number: 20140225136
    Abstract: A light emitting diode (LED), includes: a substrate; a first electrode connection line disposed on the substrate; a second electrode connection line disposed on the substrate; a first contact metal layer disposed on the first electrode connection line; a second contact metal layer disposed on the second electrode connection line; a light emitting unit disposed on the first contact metal layer and the second contact metal layer; a partition disposed on the substrate and about the light emitting unit; and an encapsulation layer covering the light emitting unit. The encapsulation layer includes a light conversion material.
    Type: Application
    Filed: October 25, 2013
    Publication date: August 14, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hoon Sik Kim, Young Min Kim, Hyuk-Hwan Kim, O Sung Seo, Hyoung Cheol Lee, Tae Kyung Yim
  • Patent number: 8779429
    Abstract: RC delay in gate lines of a wide display is reduced by using a low resistivity conductor in the gate lines and a different conductor for forming corresponding gate electrodes. More specifically, a corresponding display substrate includes a gate line made of a first gate line metal, a data line made of a first data line metal, a pixel transistor and a first connection providing part. The pixel transistor includes a first active pattern formed of polycrystalline silicon (poly-Si) and a first gate electrode formed there above and made of a conductive material different from the first gate line metal. The first connection providing part connects the first gate electrode to the gate line. On the other hand, the source electrode is integrally extended from the data line.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: July 15, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: O-Sung Seo, Hwa-Yeul Oh, Hyoung-Cheol Lee, Tae-Kyung Yim
  • Publication number: 20140184971
    Abstract: Provided are a display device and a manufacturing method thereof capable of preventing aggregation of an alignment layer and maintaining uniformly a cell-gap. The display device according to an exemplary embodiment of the invention includes: a substrate including a plurality of pixel areas; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel area; a barrier layer formed on the pixel electrode; a roof layer formed on the barrier layer to be spaced apart from the barrier layer with a microcavity therebetween; and a liquid crystal formed to fill the microcavity.
    Type: Application
    Filed: May 9, 2013
    Publication date: July 3, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Tae Kyung YIM, Je Hyeong PARK, O Sung SEO, Hyoung Cheol LEE
  • Patent number: 8741672
    Abstract: Exemplary embodiments of the invention disclose a method of manufacturing a thin film transistor array panel having reduced overall processing time and providing a uniform crystallization. Exemplary embodiments of the invention also disclose a crystallization method of a thin film transistor, including forming on a substrate a semiconductor layer including a first pixel area, a second pixel area, and a third pixel area. The crystallization method includes crystallizing a portion of the semiconductor layer corresponding to a channel region of a thin film transistor using a micro lens array.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: June 3, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Han Kim, Hwa-Dong Jung, Wan-Soon Lim, Jee-Hun Lim, Joo Seok Yeom, Tae-Kyung Yim, Jae-Hak Lee, Hyuk Soon Kwon, Hyoung Cheol Lee, Jeong-Ju Park, Se-Myung Kwon, So-Young Koo
  • Publication number: 20130256668
    Abstract: Provided is an array substrate including a base substrate, a thin film transistor having a semiconductor layer disposed on a first part of the base substrate. The semiconductor layer includes a source electrode and a drain electrode, a gate electrode disposed on the semiconductor layer and insulated from the semiconductor layer. A light-blocking layer disposed between the base substrate and the thin film transistor. The light-blocking layer comprises a first layer continuously disposed on and around the first part of the base substrate, and a second layer formed on the first part of the base substrate without extending outside of the first part, the second layer being disposed on the first layer.
    Type: Application
    Filed: August 30, 2012
    Publication date: October 3, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwa Yeul OH, Osung SEO, Jeanho SONG, Hyoung Cheol LEE, Taekyung YIM
  • Publication number: 20130234144
    Abstract: RC delay in gate lines of a wide display is reduced by using a low resistivity conductor in the gate lines and a different conductor for forming corresponding gate electrodes. More specifically, a corresponding display substrate includes a gate line made of a first gate line metal, a data line made of a first data line metal, a pixel transistor and a first connection providing part. The pixel transistor includes a first active pattern formed of polycrystalline silicon (poly-Si) and a first gate electrode formed there above and made of a conductive material different from the first gate line metal. The first connection providing part connects the first gate electrode to the gate line. On the other hand, the source electrode is integrally extended from the data line.
    Type: Application
    Filed: August 2, 2012
    Publication date: September 12, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: O-Sung SEO, Hwa-Yeul OH, Hyoung-Cheol LEE, Tae-Kyung YIM
  • Publication number: 20130037813
    Abstract: Exemplary embodiments of the invention disclose a method of manufacturing a thin film transistor array panel having reduced overall processing time and providing a uniform crystallization. Exemplary embodiments of the invention also disclose a crystallization method of a thin film transistor, including forming on a substrate a semiconductor layer including a first pixel area, a second pixel area, and a third pixel area. The crystallization method includes crystallizing a portion of the semiconductor layer corresponding to a channel region of a thin film transistor using a micro lens array.
    Type: Application
    Filed: June 27, 2012
    Publication date: February 14, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joo-Han Kim, Hwa-Dong Jung, Wan-Soon Lim, Jee-Hun Lim, Joo Seok Yeom, Tae-Kyung Yim, Jae-Hak Lee, Hyuk Soon Kwon, Hyoung Cheol Lee, Jeong-Ju Park, Se-Myung Kwon, So-Young Koo