Patents by Inventor Bi-Yong Jeong

Bi-Yong Jeong 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: 8690372
    Abstract: An exemplary embodiment of the present invention discloses a backlight unit having a plurality of light-emitting blocks and a light source driving section. The plurality of light-emitting blocks is arranged in a matrix shape along first and second directions different from each other. Each of the light-emitting blocks includes a light source unit having at least one light-emitting chip to emit light, and a light guiding unit to guide the light. The light source driving section controls the light source unit of the light-emitting blocks to drive the light source unit.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: April 8, 2014
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Tae-Jin Chung, Seung-Ryeol Ryu, Weon Cho, Bi-Yong Jeong, Byeong-Gil An, Chong-Young Park, Jang-Hoon Lee
  • Patent number: 8558476
    Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light. The second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: October 15, 2013
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Won Cho, Bi-Yong Jeong
  • Patent number: 8360592
    Abstract: An exemplary embodiment of the present invention discloses a backlight unit with a plurality of light-emitting blocks and a light source driving section. The plurality of light-emitting blocks are arranged in a matrix shape along first and second directions different from each other. Each of the light-emitting blocks includes a light source unit having at least one light-emitting chip to emit light, and a light guiding unit to guide the light. The light source driving section controls the light source unit of the light-emitting blocks to drive the light source unit. Therefore, a thickness of the backlight unit may be reduced.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: January 29, 2013
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Tae-Jin Chung, Seung-Ryeol Ryu, Weon Cho, Bi-Yong Jeong, Byeong-Gil An, Chong-Young Park, Jang-Hoon Lee
  • Publication number: 20120217886
    Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light. The second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light.
    Type: Application
    Filed: May 4, 2012
    Publication date: August 30, 2012
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Won CHO, Bi-Yong JEONG
  • Patent number: 8193721
    Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light; the second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light; and the first LED package and the second LED package are alternately arranged.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: June 5, 2012
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Won Cho, Bi-Yong Jeong
  • Publication number: 20100079703
    Abstract: An exemplary embodiment of the present invention discloses a backlight unit with a plurality of light-emitting blocks and a light source driving section. The plurality of light-emitting blocks are arranged in a matrix shape along first and second directions different from each other. Each of the light-emitting blocks includes a light source unit having at least one light-emitting chip to emit light, and a light guiding unit to guide the light. The light source driving section controls the light source unit of the light-emitting blocks to drive the light source unit. Therefore, a thickness of the backlight unit may be reduced.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 1, 2010
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Tae-Jin CHUNG, Seung-Ryeol Ryu, Weon Cho, Bi-Yong Jeong, Byeong-Gil An, Chong-Young Park, Jang-Hoon Lee
  • Publication number: 20090243504
    Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light; the second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light; and the first LED package and the second LED package are alternately arranged.
    Type: Application
    Filed: March 31, 2009
    Publication date: October 1, 2009
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Won CHO, Bi-Yong JEONG