Patents by Inventor Nak Won Choi

Nak Won Choi 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: 20140036044
    Abstract: A display apparatus is provided. The display apparatus includes: a video processor which, in a multi-view mode, processes a plurality of contents and generates a plurality of content views, a display which displays the plurality of content views, a sync signal generator which generates a sync signal regarding the plurality of content views, a communicator which transmits the sync signal, and a controller which, upon communicating with a glasses apparatus, transmits information on a target content view which is controllable from among the plurality of content views to the glasses apparatus. Accordingly, a newly-connected glasses apparatus may be directly synchronized with a target content view.
    Type: Application
    Filed: January 2, 2013
    Publication date: February 6, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nak-won CHOI, Je-hwan SEO, Kwan-sik MIN, Jung-jin PARK, Geun-sam YANG, Seung-bok LEE, Tae-hyeun HA
  • Patent number: 8624965
    Abstract: A 3D glasses driving method for driving 3D shutter glasses and 3D glasses and a 3D display apparatus using the same, the 3D glasses driving method including: receiving a sync signal from an external device; determining a duty of a driving signal which opens a left eye glass and a right eye glass of the 3D shutter glasses; and opening and closing the left eye glass and the right eye glass of the 3D shutter glasses alternately based on the sync signal and the determined duty. Accordingly, the user is able to watch the 3D image in a descried brightness without experiencing a crosstalk phenomenon.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: January 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-jin Park, Jun-ho Sung, Ki-bum Seong, Nak-won Choi
  • Publication number: 20130038608
    Abstract: Three-dimensional glasses include a first driving portion that receives a sync signal from an image display apparatus on which a three-dimensional image is displayed, and generates and outputs a timing signal using the received sync signal; a second driving portion that receives an input voltage and outputs the input voltage using the timing signal; a storage portion that stores information for pairing with the image display apparatus and outputs the stored information on request of the first driving portion; and a lens portion having left and right eye glasses that alternately perform on and off operation based on the output voltage of the second driving portion, wherein the second driving portion and the storage portion are configured of a single chip.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nak-won CHOI, Jung-jin PARK, Jae-phil KOO, Kwan-sik MIN, Tae-hyeun HA
  • Publication number: 20120208465
    Abstract: 3D glasses and a method of controlling power and pairing thereof are provided. The method of controlling power and pairing includes: restricting supply of a specific power of 3D glasses; performing, by the 3D glasses, pairing with a display apparatus; and if it is determined that the pairing is performed, lifting the restriction on the supply of the specific power. Therefore, a user may perform pairing between the 3D glasses and the 3D display apparatus easily and prevent power of the 3D glasses from being unnecessarily wasted.
    Type: Application
    Filed: September 23, 2011
    Publication date: August 16, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nak-won CHOI, Jae-phil KOO, Tae-hyeun HA, Jung-jin PARK
  • Publication number: 20120098824
    Abstract: Shutter glasses for viewing a stereoscopic image and a display system including the same are provided. The shutter glasses include a left eye shutter; a right eye shutter; a light receiving part which receives a control signal emitted from a display apparatus; an optical element which is disposed to face the light receiving part and changes a traveling path of light incident on the optical element such that light emitted from the display apparatus is incident on the light receiving part and light emitted from a source other than the display apparatus is not incident on the light receiving part; and a control part which controls opening/closing of the left eye shutter and the right eye shutter based on the control signal received by the light receiving part.
    Type: Application
    Filed: June 6, 2011
    Publication date: April 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-phil KOO, Tae-hyeun HA, Jung-jin PARK, Nak-won CHOI
  • Publication number: 20110279467
    Abstract: A display apparatus includes a backlight part comprising a light source group; a motion analyzer for dividing a screen of the liquid crystal display panel into a plurality of regions and analyzing a motion level in each region; and a backlight controller for controlling driving of the light source group during a unit of time until image characteristics reach a maximum response point, in at least one region selected from the plurality of the regions based on the analyzed motion level. Hence, the motion blur can be decreased.
    Type: Application
    Filed: May 12, 2011
    Publication date: November 17, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-rae KIM, Jung-jin PARK, Nak-won CHOI, Sang-un YUN
  • Publication number: 20110248989
    Abstract: A 3D display apparatus, a method for setting a display mode thereof, and a 3D image providing system are provided. The method for setting a display mode in a 3D display apparatus which displays a 3D image in association with at least one 3D glasses include obtaining information regarding an age of a user who is wearing the 3D glasses and adjusting stereoscopic sense of the 3D image according to the age information. Since the 3D image display apparatus determines the age of a user and adjusts 3D image display environment according to the age of a user, the user may feel less fatigued while viewing the 3D image.
    Type: Application
    Filed: December 29, 2010
    Publication date: October 13, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-sung PARK, Tae-hyeun HA, Jung-jin PARK, Nak-won CHOI
  • Publication number: 20110221746
    Abstract: Three-dimensional (3D) eyeglasses, method for driving 3D glasses, and a 3D image providing system are provided. 3D glasses which interwork with the 3D display apparatus according to the present disclosure includes a power unit which supplies power to the 3D eyeglasses; a sensing unit which detects whether or not a user is wearing the 3D eyeglasses; and a controlling unit which controls the power unit to supply power when the sensing unit detects that the user is wearing the 3D eyeglasses.
    Type: Application
    Filed: January 21, 2011
    Publication date: September 15, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-sung PARK, Tae-hyeun HA, Jong-kil KWAK, Jung-jin PARK, Nak-won CHOI
  • Publication number: 20110211051
    Abstract: A display device is provided. The display device includes a signal receiving unit which receives an image signal including a left image and a right image; a signal processing unit which processes the image signal received by the signal receiving unit; a display unit which displays a three-dimensional image based on the image signal processed by the signal processing unit; a user input unit which receives user input regarding an operation mode of the three-dimensional glasses; a synchronizing signal output unit which outputs a synchronizing signal to open and close the left shutter and the right shutter of the three-dimensional glasses corresponding to the left image and the right image, respectively; and a controller which controls the synchronizing signal output unit to output the synchronizing signal based on the operation mode of the three-dimensional glasses obtained from the received user input.
    Type: Application
    Filed: August 23, 2010
    Publication date: September 1, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-sung PARK, Tae-hyeun HA, Jung-jin PARK, Nak-won CHOI
  • Publication number: 20110205345
    Abstract: The shutter glasses for the display apparatus include a shutter-glasses communication unit which receives a first sync signal from the display apparatus displaying a three-dimensional (3D) image; and a shutter-glasses controller which generates an ON/OFF driving signal for a left-eye lens unit and a right-eye lens unit of the shutter glasses based on the first sync signal, the first sync signal including a pattern, based on which at least one sync pulse is periodically omitted in a second sync signal used in displaying the 3D image according to a frame driving frequency of the 3D image. The shutter-glasses controller generates an ON/OFF driving signal in sync with the first sync signal, so that the ON/OFF driving signal includes the sync pulse in a section corresponding to the omitted sync pulse of the second sync signal according to a time period of the first sync signal.
    Type: Application
    Filed: January 21, 2011
    Publication date: August 25, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nak-won CHOI, Jung-jin PARK, Tae-hyeun HA, Jong-kil KWAK
  • Publication number: 20110164123
    Abstract: A 3D glasses driving method for driving 3D shutter glasses and 3D glasses and a 3D display apparatus using the same, the 3D glasses driving method including: receiving a sync signal from an external device; determining a duty of a driving signal which opens a left eye glass and a right eye glass of the 3D shutter glasses; and opening and closing the left eye glass and the right eye glass of the 3D shutter glasses alternately based on the sync signal and the determined duty. Accordingly, the user is able to watch the 3D image in a descried brightness without experiencing a crosstalk phenomenon.
    Type: Application
    Filed: October 12, 2010
    Publication date: July 7, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-jin PARK, Jun-ho SUNG, Ki-bum SEONG, Nak-won CHOI
  • Publication number: 20110149054
    Abstract: Three-dimensional (3D) glasses, a method for controlling 3D glasses, and a method for controlling an on/off operation of the 3D glasses are provided. The 3D glasses rotate a glass unit based on sensed motion information to maintain a polarization direction of the glass unit in a particular direction. Therefore, a user may view 3D images in various positions. In addition, a user manages the on/off operation of the 3D glasses using the sensed motion information, thereby conveniently viewing 3D images in various positions.
    Type: Application
    Filed: July 22, 2010
    Publication date: June 23, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-un YUN, Ki-bum SEONG, Jung-jin PARK, Hyung-rae KIM, Nak-won CHOI
  • Publication number: 20110134230
    Abstract: Provided are shutter glasses for stereoscopic image and a display system having the same. The display system includes: a display apparatus including a display part which displays a stereoscopic image including a left eye image and a right eye image and a signal transceiving part which transmits a synchronization signal and receives a control signal; and shutter glasses including: a signal receiving part which receives the synchronization signal; a left eye shutter and a right eye shutter; a first attenuating part which attenuates an intensity of light incident onto the signal receiving part below a threshold of signal sensitivity of the signal receiving part; and a control part which controls the opening and closing of the left eye shutter and the right eye shutter based on the synchronization signal received from the signal receiving part.
    Type: Application
    Filed: October 13, 2010
    Publication date: June 9, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-jin PARK, Tae-hyeun HA, Jong-kil KWAK, Nak-won CHOI
  • Publication number: 20110102306
    Abstract: Disclosed is a display apparatus. The display apparatus includes: an image receiver configured to receive an image signal; an image processor configured to process the image signal received by the image receiver; a display panel configured to display an image based on the image signal processed by the image processor; a plurality of light guide plates configured to output light to corresponding display regions of the display panel; and a light source module configured to generate the light toward side surfaces of the light guide plates, wherein the light source module includes a plurality of light sources, coupled to the side surfaces of the light guide plates, to generate and transmit the light toward the respective light guide plates at corresponding positions of the side surfaces of the light guide plates which are changed from prior positions according to bends of the light guide plates.
    Type: Application
    Filed: April 21, 2010
    Publication date: May 5, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-jin PARK, Ki-bum SEONG, Nak-won CHOI, Sang-un YUN
  • Publication number: 20110102452
    Abstract: A display apparatus, backlight assembly and method for displaying an image is capable of compensating for non-uniformity of a light guiding plate. The display apparatus includes a liquid crystal display (LCD) panel on which an image is displayed; a light guiding unit which is placed adjacent to the LCD panel and includes a plurality of light guide plates for guiding incident light to the LCD panel; a plurality of light emitting diode (LED) modules which are individually arranged at least one lateral side of the plurality of light guide plates and which emit light to the other lateral sides, respectively; and a video processor which changes brightness of an image displayed on a compensation area of the LCD panel that corresponds to an edge region of the light guide plate to compensate brightness at the edge region. The non-uniformity of the divided light guide plates is reduced.
    Type: Application
    Filed: April 29, 2010
    Publication date: May 5, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-un YUN, Ki-bum SEONG, Jung-jin PARK, Nak-won CHOI, Jun-ho SUNG
  • Publication number: 20110050865
    Abstract: Disclosed are a display apparatus and a driving method thereof. The display apparatus includes: a video processor which processes an input video signal including a left-eye image and a right-eye image; a display unit which displays an image based on the video signal processed by the video processor; a backlight unit which emits light to the display unit; and a controller which controls at least one of the display unit and the backlight unit so that a margin period between a scan of the left-eye image and a scan of the right-eye image corresponds to a period during which the left shutter and the right shutter are shifted between opened and closed states.
    Type: Application
    Filed: April 12, 2010
    Publication date: March 3, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-bum SEONG, Jung-jin PARK, Nak-won CHOI, Sang-un YUN, Jun-ho SUNG
  • Patent number: 7674545
    Abstract: The invention relates to a new micro power cell applying the microfluidic-chip with multi-channel type. The streaming potential is the main thrust, which is created by Helmholtz-Smoluchowski's electrokinetic principle when electrolytic solution flows through a microchannel. The microfluidic-chip comprises an inflow port, a distributor, a multi-channel, a collector, an outflow port, and a pair of electrodes. The present invention could be applied to a new power source of clean energy.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: March 9, 2010
    Assignee: Korea Institute of Science & Technology
    Inventors: Myung-Suk Chun, Nak Won Choi
  • Patent number: 7501779
    Abstract: Disclosed herein is a turret servo control device with an overriding function and control method thereof.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: March 10, 2009
    Assignee: Doosan Infracore Co., Ltd.
    Inventors: Dae Jung Seong, Nak Won Choi, Hong Cheol Sin, Myoung Soo Oh
  • Publication number: 20070152621
    Abstract: Disclosed herein is a turret servo control device with an overriding function and control method thereof.
    Type: Application
    Filed: December 26, 2006
    Publication date: July 5, 2007
    Applicant: DOOSAN INFRACORE CO., LTD.
    Inventors: Dae Jung Seong, Nak Won Choi, Hong Cheol Sin, Myoung Soo Oh