Patents by Inventor Byung-Joo Lee

Byung-Joo 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).

  • Patent number: 8658883
    Abstract: A solar cell module is provided. The solar cell module includes: a substrate; a plurality of unit cells including a first electrode, a semiconductor layer, and a second electrode that are sequentially deposited on the substrate; a first sub-module and a second sub-module having the unit cells, respectively; a first longitudinal pattern dividing the unit cells of the first sub-module, and a second longitudinal pattern dividing the unit cells of the second sub-module; a transverse pattern dividing the first sub-module and the second sub-module; and an insulating portion disposed near the transverse pattern, and insulating between the first sub-module and the second sub-module, wherein the unit cells of the first sub-module are connected in series through the first longitudinal pattern, the unit cells of the second sub-module are connected in series through the second longitudinal pattern, and the first sub-module and the second sub-module are connected in series through the transverse pattern.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: February 25, 2014
    Assignees: Samsung SDI Co., Ltd., Samsung Display Co., Ltd.
    Inventors: Kang-Hee Lee, Byoung-Dong Kim, Se-Jin Chung, Gug-Il Jun, Woo-Su Lee, Byung-Joo Lee
  • Patent number: 8614771
    Abstract: An image display device includes a display panel, a first substrate over the display panel, a plurality of first electrodes on the first substrate, a plurality of second electrodes alternately arranged with the plurality of first electrodes, a second substrate facing the first substrate, a replica layer on the second substrate and having a concave pattern of half-cylinder shape, the concave pattern facing the second electrode, and a liquid crystal layer in the concave pattern.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: December 24, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Hyung-Ki Hong, Byung-Joo Lee, Sung-Min Jung, Ju-Un Park, Hyun-Ho Shin
  • Publication number: 20130246665
    Abstract: Provided is a method of delivering a user input received from a Human Interface Device (HID) to a source device by a sink device. The method includes: receiving the user input from the HID; generating HID user input information including a first field that represents a type of the HID, a second field that represents an interface type of the HID, and a third field that includes the user input received from the HID; and transmitting the configured HID user input information to the source device.
    Type: Application
    Filed: December 20, 2011
    Publication date: September 19, 2013
    Applicant: LG Electronics Inc.
    Inventors: Byung Joo Lee, Wongyu Song, Inhwan Choi, Jaehyung Song
  • Patent number: 8410996
    Abstract: A display device includes a display panel including first to fourth pixels in a first direction, wherein each of the first to fourth pixels has a first width in the first direction and a length more than the width and in a second direction; and a backlight unit including first and second line light regions supplying light to the display panel to display three-dimensional images, wherein the first and second line light regions have a slanted angle with respect to the second direction, wherein light from the first line light region comes to right and left eyes of a viewer through the first and second pixels, respectively, and light from the second light region comes to the right and left eyes through the third and fourth pixels, respectively, wherein the display device has K view points.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: April 2, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Joo Lee, Hyung-Ki Hong
  • Patent number: 8358399
    Abstract: An electrically-driven liquid crystal lens wherein electric connection between finely split electrodes and signal lines used to apply signals to the split electrodes can be accomplished using a minimal number of masks and signals can be applied to the finely split electrodes without line resistance, and a stereoscopic display device using the same are disclosed.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: January 22, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Byung Joo Lee, Hee Jin Im
  • Patent number: 8339705
    Abstract: An optical sheet for three-dimensional images and a three-dimensional image display device using the same, are discussed. According to an embodiment, the three-dimensional image display device includes a display unit to display two-dimensional images using unit pixels each including at least three colors of sub-pixels, and an optical sheet to convert the two-dimensional images into a plurality of different three-dimensional images, and the neighboring three-dimensional images are overlapped with each other by a predetermined range. With the above described configuration, the curved lenses are tilted to provide neighboring viewers with three-dimensional images overlapped with each other by 15% to 60%. As a result, a ratio of the horizontal and vertical display resolutions of the three-dimensional images can be equal to a ratio of the horizontal and vertical display resolutions of the two-dimensional images, and the quality of three-dimensional images can be improved.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: December 25, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Hyung Ki Hong, Byung Joo Lee
  • Patent number: 8254026
    Abstract: A three-dimensional image display capable of reducing a difference between a resolution variation rate in a pixel column direction and a resolution variation rate in a pixel row direction and preventing a color separation phenomenon is disclosed. The three-dimensional image display includes a display panel in which n (n is a natural number) disparity images are displayed and the same disparity images are distributed and displayed in subpixels of the same color, and a lenticular sheet which divides travel paths of the disparity images using a plurality of lenticular lenses which are obliquely arranged in front of the display panel, and the long axes of the lenticular lenses are parallel to an extension line of the subpixels in which the same disparity images are displayed.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: August 28, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Hyung Ki Hong, Byung Joo Lee, Hee Jin Im
  • Publication number: 20120026416
    Abstract: The present invention is for a stereoscopic image display device to achieve enhanced brightness during 3D image display using a switchable barrier and brightness enhancement polarizing films, the stereoscopic image display device includes a backlight unit to transmit light upward, a barrier cell located on the backlight unit, the barrier cell functioning as a barrier when voltage is applied thereto and a transparent cell when voltage is not applied thereto, a first brightness enhancement polarizing film attached to an upper surface of the barrier cell, and an image panel located on the first brightness enhancement polarizing film.
    Type: Application
    Filed: July 18, 2011
    Publication date: February 2, 2012
    Inventors: Sung-Woo Kim, Byung-Joo Lee
  • Publication number: 20110304533
    Abstract: Disclosed is a stereoscopic image display device which detects movement of moving viewers from among multiple viewers and enables the multiple viewers to observe a stereoscopic image even if the moving viewers change positions, the stereoscopic image display device includes a display panel corresponding to one switchable region to emit two-dimensional images, the number of which is more than the number of N views (N being a natural number over 3), a switchable panel located on the display panel to convert the two-dimensional images into three-dimensional images and to emit the three-dimensional images when voltage is applied thereto, a detection unit to detect movement of moving viewers from among multiple views and final positions of the moving viewers, and a control unit to output a control signal to shift the views of the two-dimensional images according to the movement and the final positions of the moving viewers.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 15, 2011
    Inventors: Sung-Woo KIM, Byung-Joo LEE
  • Publication number: 20110292306
    Abstract: Disclosed are an electrically-driven liquid crystal lens in which a rubbing direction is defined in a range of 30˜90 degrees with respect to a longitudinal direction of an electrode, achieving an improved lens profile and lens symmetry, and a stereoscopic display device using the same.
    Type: Application
    Filed: November 30, 2010
    Publication date: December 1, 2011
    Inventors: Sung Woo KIM, Byung-Joo Lee
  • Publication number: 20110157499
    Abstract: An electric field driven liquid crystal lens cell including a first substrate and a second substrate arranged opposite each other, a first plurality of split electrodes formed on the first substrate, each of the first plurality of split electrodes corresponding to one of a plurality of lens regions, a second electrode formed over an entire first surface of the second substrate, a voltage source to apply differing voltages to the first and second plurality of split electrodes, a spacer formed between the first substrate and the second substrate, the location of the spacer corresponding to the vertex of the lens when voltages are applied to at least one of the first plurality of split electrodes and the second electrode, and a liquid crystal layer disposed between the first substrate and the second substrate.
    Type: Application
    Filed: December 13, 2010
    Publication date: June 30, 2011
    Inventors: Byung-Joo LEE, Sung-Woo KIM
  • Patent number: 7940357
    Abstract: A multi-viewing display device includes a display panel for displaying images; a back light for supplying the light to the display panel; and a viewing converting unit having a plurality of parallax barriers for reflecting the light from the back light and non-reflecting the light from the display panel to control the path of the light in accordance with a desired viewing direction. The viewing converting unit may include a substrate; at least one layer of a parallax barrier made of high reflective material to reflect the light on the substrate; and at least one layer of the parallax barrier made of low reflective material to block the light on the first parallax barriers.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: May 10, 2011
    Assignee: LG Display Co., Ltd
    Inventors: Ji-Young Ahn, Jong-Hoon Woo, Byung-Joo Lee, Young-Bok Lee, Hyung-Ju Park
  • Publication number: 20100218820
    Abstract: Provided are a solar cell and a method of fabricating the same. The solar cell includes: a substrate; a rear electrode layer which is formed on the substrate and includes molybdenum (Mo); a protective layer which is formed on the rear electrode layer and includes silicon (Si); a light-absorbing layer which is formed on the protective layer and includes selenium (Se) and at least one of copper (Cu), gallium (Ga), and indium (In); and a transparent electrode layer formed on the light-absorbing layer.
    Type: Application
    Filed: February 9, 2010
    Publication date: September 2, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-Dong KIM, Gug-Il JUN, Kang-Hee LEE, Woo-Su LEE, Byung-Joo LEE
  • Patent number: 7777838
    Abstract: A liquid crystal display (LCD) comprises: a first substrate and a second substrate; a liquid crystal layer between the first and the second substrates; and a fluorescent color filter responding to light over the first substrate, thereby the fluorescent color filter supplies the light to the liquid crystal layer. A method for fabricating a LCD includes: preparing first and second substrates; depositing fluorescent material over the first substrate to form a color filter, the fluorescent material emitting the visible light in responding to the ULTRAVIOLET rays; and forming a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: August 17, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Joo Lee, Sung-Min Jung, Ju-Un Park, Hyung-Ki Hong
  • Publication number: 20100186796
    Abstract: A solar cell module is provided. The solar cell module includes: a substrate; a plurality of unit cells including a first electrode, a semiconductor layer, and a second electrode that are sequentially deposited on the substrate; a first sub-module and a second sub-module having the unit cells, respectively; a first longitudinal pattern dividing the unit cells of the first sub-module, and a second longitudinal pattern dividing the unit cells of the second sub-module; a transverse pattern dividing the first sub-module and the second sub-module; and an insulating portion disposed near the transverse pattern, and insulating between the first sub-module and the second sub-module, wherein the unit cells of the first sub-module are connected in series through the first longitudinal pattern, the unit cells of the second sub-module are connected in series through the second longitudinal pattern, and the first sub-module and the second sub-module are connected in series through the transverse pattern.
    Type: Application
    Filed: November 13, 2009
    Publication date: July 29, 2010
    Inventors: Kang-Hee Lee, Byoung-Dong Kim, Se-Jin Chung, Gug-Il Jun, Woo-Su Lee, Byung-Joo Lee
  • Publication number: 20100154872
    Abstract: A solar cell and a method of fabricating the same are provided according to one or more embodiments. According to an embodiment, the solar cell includes a substrate, a back electrode layer formed on the substrate, a light absorbing layer formed on the back electrode layer, and a transparent electrode layer formed on the light absorbing layer, wherein the light absorbing layer is comprised of copper (Cu), gallium (Ga), indium (In), sulfur (S), and selenium (Se) and includes a first concentration region in which concentrations of sulfur (S) gradually decrease in the light absorbing layer going in a first direction from the back electrode layer to the transparent electrode layer.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 24, 2010
    Inventors: Gug-Il JUN, Woo-Su Lee, Dong-Seop Kim, Jin-Seock Kim, Byoung-Dong Kim, Kang-Hee Lee, Dong-Gi Ahn, Byung-Joo Lee, Hyoung-Jin Park, In-Ki Kim
  • Patent number: 7736004
    Abstract: A three-dimensional display device includes a plurality of projection portions to project a plurality of images, respectively, a plurality of wedge-shaped light guide plates corresponding to the plurality of projection portions, respectively, to emit the plurality of images, respectively, and a plurality of directional diffuser screen corresponding to the plurality of wedge-shaped light guide plates, respectively, to diffuse or transmit the plurality of images.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: June 15, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Hyung-Ki Hong, Byung-Joo Lee, Sung-Min Jung, Jun-Un Park
  • Patent number: 7664131
    Abstract: Provided is a channel resource assignment method for fair channel resource reservation in a mesh WPAN, in which the amount of channel resources is fairly reserved when devices share the channel resources. The channel resource assignment method in a mesh Wireless Personal Area Network (WPAN) includes the steps of: (a) transmitting beacons of all devices and adding an amount of channel resource to be reserved to the beacons so as to assign the channel resource for fair channel resource reservation between corresponding devices and adjacent devices when a mesh network is configured; (b) accumulating the amount of the channel resources reserved by all the adjacent devices except the corresponding device; and (c) determining the amount of the channel resources to be reserved.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: February 16, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Young-Ae Chun, Ji-Eun Kim, Sang-Jae Lee, Sang-Sung Choi, Kwang-Roh Park, Byung-Joo Lee, Seung-Hyong Rhee
  • Publication number: 20090153653
    Abstract: An electrically-driven liquid crystal lens wherein electric connection between finely split electrodes and signal lines used to apply signals to the split electrodes can be accomplished using a minimal number of masks and signals can be applied to the finely split electrodes without line resistance, and a stereoscopic display device using the same are disclosed.
    Type: Application
    Filed: October 28, 2008
    Publication date: June 18, 2009
    Inventors: Byung Joo LEE, Hee Jin Im
  • Publication number: 20090147178
    Abstract: A multi-viewing display device includes a display panel for displaying images; a back light for supplying the light to the display panel; and a viewing converting unit having a plurality of parallax barriers for reflecting the light from the back light and non-reflecting the light from the display panel to control the path of the light in accordance with a desired viewing direction. The viewing converting unit may include a substrate; at least one layer of a parallax barrier made of high reflective material to reflect the light on the substrate; and at least one layer of the parallax barrier made of low reflective material to block the light on the first parallax barriers.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 11, 2009
    Inventors: Ji-Young Ahn, Jong-Hoon Woo, Byung-Joo Lee, Young-Bok Lee, Hyung-Ju Park