Patents by Inventor Chung-hyuk Shin

Chung-hyuk Shin 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: 20200292895
    Abstract: A display device including a first substrate; a second substrate facing the first substrate; a connection pad disposed on the first substrate; a first spacer disposed on the connection pad and exposing part of the connection pad; and a connecting pad disposed on side surfaces of the first and second substrates, the connecting pad contacting the connection pad.
    Type: Application
    Filed: February 19, 2020
    Publication date: September 17, 2020
    Inventors: Dong Jin Park, Sung Hyun Kim, Nag Joon Kim, Chung Hyuk Shin
  • Publication number: 20200264468
    Abstract: A display device includes: a display panel including a first substrate including a thin film transistor, a second substrate facing the first substrate and a wiring layer disposed on the first substrate; and a flexible circuit board disposed on a first lateral side of the display panel, wherein the first lateral side of the display panel includes a recess portion, the wiring layer is exposed in the recess portion on the first lateral side, the flexible circuit board includes a conductive pad, and the conductive pad contacts the wiring layer in the recess portion to electrically connect the flexible circuit board and the wiring layer. The recess portion includes a first recess disposed on the first substrate.
    Type: Application
    Filed: December 17, 2019
    Publication date: August 20, 2020
    Inventors: Dong Jin PARK, Byeong Soo KANG, Nag Joon KIM, Sung Hyun KIM, Chung Hyuk SHIN
  • Patent number: 8059227
    Abstract: A liquid crystal display (LCD) device includes an LCD panel, a panel driver that includes a source printed circuit board (PCB) substrate having a fixing protrusion hole to supply driving signals to the LCD panel, and a top chassis to receive the LCD panel and the panel driver. The top chassis includes an upper frame portion to prevent the LCD panel from moving upwardly, a side frame portion to prevent the LCD panel from moving sideward, and a fixing protrusion protruded from an inner side of the side frame portion. The fixing protrusion is coupled to the fixing protrusion hole to fix the source PCB inside the side frame portion of the top chassis.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Chung-Hyuk Shin
  • Publication number: 20090115928
    Abstract: A liquid crystal display (LCD) device includes an LCD panel, a panel driver that includes a source printed circuit board (PCB) substrate having a fixing protrusion hole to supply driving signals to the LCD panel, and a top chassis to receive the LCD panel and the panel driver. The top chassis includes an upper frame portion to prevent the LCD panel from moving upwardly, a side frame portion to prevent the LCD panel from moving sideward, and a fixing protrusion protruded from an inner side of the side frame portion. The fixing protrusion is coupled to the fixing protrusion hole to fix the source PCB inside the side frame portion of the top chassis.
    Type: Application
    Filed: July 10, 2008
    Publication date: May 7, 2009
    Inventor: CHUNG-HYUK SHIN
  • Patent number: 7511434
    Abstract: A lamp driving apparatus includes a lamp driving power system providing a driving power to a lamp, a sensor detecting whether the lamp is turned on, and a controller controlling the lamp driving power system to provide an initial driving power to the lamp to turn on the lamp, and to provide an excess driving power to the lamp if the sensor detects that the lamp is not turned on, the excess driving power having a higher voltage level than the initial driving power. A liquid crystal display includes the lamp driving apparatus and a driving method thereof includes a lamp that is stably driven at an initial stage of operation.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: March 31, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Chung-hyuk Shin
  • Publication number: 20080198125
    Abstract: A circuit board includes; a reference common voltage generating circuit receiving an input voltage from an input node and outputting a reference common voltage to an output node, wherein the reference common voltage generating circuit includes a voltage distribution unit including a first resistor connected between the input node and the output node and a second resistor connected between the output node and a ground, and a sink current generating unit outputting a sink current to the output node, wherein the sink current is adjusted according to a resistance of a setting resistor, and a coupling line coupling the setting resistor and the reference common voltage generating circuit.
    Type: Application
    Filed: September 18, 2007
    Publication date: August 21, 2008
    Applicant: SAMSUNG ELECTRONCS CO., LTD.
    Inventors: Joo-hwan Park, Chung-hyuk Shin, Seung-hoon Jung
  • Publication number: 20060145635
    Abstract: The present invention relates to a lamp driving apparatus including a lamp driving power system providing a driving power to a lamp, a sensor detecting whether the lamp is turned on, and a controller controlling the lamp driving power system to provide an initial driving power to the lamp to turn on the lamp, and to provide an excess driving power to the lamp if the sensor detects that the lamp is not turned on, the excess driving power having a higher voltage level than the initial driving power. Thus the present invention provides a lamp driving apparatus, a liquid crystal display having the same and a driving method thereof including a lamp that is stably driven at an initial stage of operation.
    Type: Application
    Filed: January 3, 2006
    Publication date: July 6, 2006
    Inventor: Chung-hyuk Shin
  • Patent number: 6661181
    Abstract: A connection of electrode lines of lamps for supplying a light source for a backlight assembly of a liquid crystal display (LCD) device is improved to minimize the size of the LCD device while reducing the manufacturing cost. The LCD device includes the backlight assembly having a light emitting unit formed by plural lamps for generating light and a light controlling unit for guiding the light from the light emitting unit, and a display unit placed to the upper plane of the light controlling unit for receiving the light from the light emitting unit via the light controlling unit to display an image. A driving unit is further provided for converting an external power source of a DC component into an AC component to supply first and second driving signals having phases respectively different from each other to the light emitting unit.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: December 9, 2003
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Chung-Hyuk Shin
  • Publication number: 20030038770
    Abstract: A liquid crystal display having a backlight with reduced noise and a method for driving the backlight is provided. The liquid crystal display includes a liquid crystal display panel and a backlight unit. The liquid crystal display panel has a plurality of pixels and a plurality of signal lines, and the plurality of signal lines transmit signals to the pixels. The backlight unit has at least two lamps spaced from each other for supplying light to the liquid crystal display panel, wherein the two lamps are separately turned on and off. The back light unit further includes a plurality of inverters, the plurality of inverters provide the lamps with a plurality of lamp driving signals for controlling the lamps, and the lamp driving signals are activated at different times.
    Type: Application
    Filed: April 12, 2002
    Publication date: February 27, 2003
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-Chul Lee, Jin-Oh Kwag, Chung-Hyuk Shin, Jong-Hyon Park
  • Publication number: 20020130628
    Abstract: A connection of electrode lines of lamps for supplying a light source for a backlight assembly of a liquid crystal display (LCD) device is improved to minimize the size of the LCD device while reducing the manufacturing cost. The LCD device includes the backlight assembly having a light emitting unit formed by plural lamps for generating light and a light controlling unit for guiding the light from the light emitting unit, and a display unit placed to the upper plane of the light controlling unit for receiving the light from the light emitting unit via the light controlling unit to display an image. A driving unit is further provided for converting an external power source of a DC component into an AC component to supply first and second driving signals having phases respectively different from each other to the light emitting unit.
    Type: Application
    Filed: January 16, 2002
    Publication date: September 19, 2002
    Inventor: Chung-Hyuk Shin
  • Patent number: 6295105
    Abstract: A backlight assembly for use of LCD module wherein a current leakage from a lamp cover disposed under a fluorescent lamp is prevented includes a back cover facing the lamp cover under the fluorescent lamp and which has a plurality of penetrating holes.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: September 25, 2001
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-duk Lee, Jeong-hwan Lee, Chung-hyuk Shin, Jung-ki Kim