Patents by Inventor Hwan Su Shim

Hwan Su Shim 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: 8094264
    Abstract: The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate; and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of ?10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.24-0.27 ?m, the phase compensation film has a phase compensation function of ?/4 and also has an optical axis making 140-146° with a horizontal line, and the polarizer has a absorption axis making 120 to 122.5° with a horizontal line.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: January 10, 2012
    Assignee: Hydis Technologies Co., Ltd.
    Inventors: Dong Hae Suh, Young Il Park, Hee Cheol Kim, Hwan Su Shim, Won Geon Lee
  • Patent number: 8094265
    Abstract: The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate; and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of ?10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.24-0.27 ?m, the phase compensation film has a phase compensation function of ?/4 and also has an optical axis making 140-146° with a horizontal line, and the polarizer has a absorption axis making 120 to 122.5° with a horizontal line.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: January 10, 2012
    Assignee: Hydis Technologies Co., Ltd.
    Inventors: Dong Hae Suh, Young Il Park, Hee Cheol Kim, Hwan Su Shim, Won Geon Lee
  • Publication number: 20100033656
    Abstract: The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate; and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of ?10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.24-0.27 ?m, the phase compensation film has a phase compensation function of ?/4 and also has an optical axis making 140-146° with a horizontal line, and the polarizer has a absorption axis making 120 to 122.5° with a horizontal line.
    Type: Application
    Filed: August 21, 2009
    Publication date: February 11, 2010
    Inventors: Dong Hae SUH, Young Il PARK, Hee Cheol KIM, Hwan Su SHIM, Won Geon LEE
  • Publication number: 20100026944
    Abstract: The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate; and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of ?10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.24-0.27 ?m, the phase compensation film has a phase compensation function of ?/4 and also has an optical axis making 140-146° with a horizontal line, and the polarizer has a absorption axis making 120 to 122.5° with a horizontal line.
    Type: Application
    Filed: August 21, 2009
    Publication date: February 4, 2010
    Inventors: Dong Hae SUH, Young Il PARK, Hee Cheol KIM, Hwan Su SHIM, Won Geon LEE
  • Patent number: 7599022
    Abstract: The present invention relates to a liquid crystal display, which comprises: a lower substrate having a reflective electrode; a lower alignment film formed on the lower substrate; an upper substrate having a color filter and disposed opposite to the lower substrate; an upper alignment film formed on the upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate and serving to convert linearly polarized light into circularly polarized light; and a polarizer adhered on the phase compensation film and serving to convert natural light into linearly polarized light. The lower alignment film has an alignment angle of ?10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.24-0.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: October 6, 2009
    Assignee: Hydis Technologies Co., Ltd.
    Inventors: Dong-Hae Suh, Young Il Park, Hee Cheol Kim, Hwan Su Shim, Won Geon Lee
  • Publication number: 20060238683
    Abstract: The present invention relates to a liquid crystal display, which comprises: a lower substrate having a reflective electrode; a lower alignment film formed on the lower substrate; an upper substrate having a color filter and disposed opposite to the lower substrate; an upper alignment film formed on the upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate and serving to convert linearly polarized light into circularly polarized light; and a polarizer adhered on the phase compensation film and serving to convert natural light into linearly polarized light. The lower alignment film has an alignment angle of ?10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.24-0.
    Type: Application
    Filed: June 19, 2006
    Publication date: October 26, 2006
    Inventors: Dong Hae Suh, Yong Il Park, Hee Cheol Kim, Hwan Su Shim, Won Geon Lee
  • Patent number: 7075605
    Abstract: A HAN-mode liquid crystal display includes a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of ?40 to ?50° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.36–0.40 ?m, the phase compensation film has a phase compensation function of ?/4 and also has an optical axis making 167–173° or 7 to 13° with a horizontal line and the polarizer has an absorption axis making an angle of 42 to 48° with a horizontal line.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: July 11, 2006
    Assignee: Boe-Hydis Technology Co., Ltd.
    Inventors: Dong-Hae Suh, Young Il Park, Hee Cheol Kim, Hwan Su Shim, Won Geon Lee
  • Patent number: 6947112
    Abstract: The present invention relates to a liquid crystal display, comprising a lower alignment film formed on a lower substrate; an upper alignment film formed on an upper substrates; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate and a polarizer adhered on the phase compensation film wherein the lower alignment film has an alignment angle of 10-20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d?n) of 0.24-0.27 ?m, the phase compensation film has a phase compensation function of ?/4 and also has an optical axis making 140-146° with a horizontal line and the polarizer has an absorption axis making 120 to 122.5° with a horizontal line.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: September 20, 2005
    Assignee: Boe-Hydis Technology Co., Ltd.
    Inventors: Dong Hae Suh, Young Il Park, Hee Cheol Kim, Hwan Su Shim, Won Geon Lee
  • Publication number: 20040021817
    Abstract: The present invention relates to a liquid crystal display, which comprises: a lower substrate having a reflective electrode; a lower alignment film formed on the lower substrate; an upper substrate having a color filter and disposed opposite to the lower substrate; an upper alignment film formed on the upper substrate; a liquid crystal layer sandwiched between the lower and upper substrates; a phase compensation film adhered on the outer surface of the upper substrate and serving to convert linearly polarized light into circularly polarized light; and a polarizer adhered on the phase compensation film and serving to convert natural light into linearly polarized light. The lower alignment film has an alignment angle of −10 to 20° with respect to a horizontal line, the upper alignment film has an alignment angle of 40 to 55° with respect to a horizontal line, the liquid crystal layer has a phase delay value (d&Dgr;n) of 0.24-0.
    Type: Application
    Filed: July 30, 2003
    Publication date: February 5, 2004
    Inventors: Dong Hae Suh, Young Il Park, Hee Cheol Kim, Hwan Su Shim, Won Geon Lee
  • Patent number: 6466287
    Abstract: Disclosed is a method for forming a reflector of a reflective LCD capable of improving a viewing angle characteristic while simplifying a forming process, the method comprising the steps of: applying a photoresist film on an insulating substrate; dispersing a plurality of spacers over a surface of the photoresist film; curing the photoresist film; rubbing the spacers-dispersed and cured photoresist film, thereby removing the spacers; and performing a vapor deposition of a metal film having a high reflectivity on the photoresist film.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: October 15, 2002
    Assignee: Hyundai Display Technology Inc.
    Inventors: Hwan Su Shim, Dong Hae Seo, Sang Un Choi