Patents by Inventor Kyu-Bum Han

Kyu-Bum Han 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: 20120049993
    Abstract: Disclosed herein is a transformer integrated with an inductor. The transformer includes a transformer unit configured to perform voltage transformation by mutual induction between first and second cores connected opposite to each other and primary and secondary coils included in a space between the first core and the second core; and an inductor unit having a third core connected to the second core and an inductor included in a space between the second core and the third core. The transformer is fabricated by physically integrating two elements having different functions into one element, thereby simplifying the configuration of a system.
    Type: Application
    Filed: August 29, 2011
    Publication date: March 1, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Bum HAN, Seog Moon CHOI, Young Ho SON
  • Publication number: 20110085092
    Abstract: A mobile terminal includes an optical modulation projector. The mobile terminal also includes a control system, a projection control unit, and an optical modulation system. The control system outputs a projection control signal and image data. The projection control unit receives the image data from the control system, and generates and outputs a drive control signal depending on the image data received. The optical modulation system generates and modulates light and generates an image in response to the drive control signal and then scans the image for projecting onto a screen.
    Type: Application
    Filed: October 15, 2010
    Publication date: April 14, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyeong Yun, In Jae Yeo, Haeng Seok Yang, Chun Gi Kim, Kyu Bum Han, Seung Won Ryu
  • Publication number: 20110025845
    Abstract: The present invention provides an apparatus for measuring a location and a distance of an object by using a camera including: a camera module for photographing an external image; a parameter setup unit for setting internal and external parameters of the camera module; an image processor unit for receiving a captured image of an image photographed from the camera module, extracting a target object within the captured image, and extracting specific point coordinates of the extracted target object; and a location and distance calculating unit for calculating three-dimensional object location information in a two-dimensional camera coordinate system through the internal and external parameters of the camera module and coordinates of the target object, and calculating distance information from the location information of the object.
    Type: Application
    Filed: October 6, 2009
    Publication date: February 3, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Bum Han, Won Tae Choi, Young Jin Cho
  • Patent number: 7832877
    Abstract: A mobile terminal includes an optical modulation projector. The mobile terminal also includes a control system, a projection control unit, and an optical modulation system. The control system outputs a projection control signal and image data. The projection control unit receives the image data from the control system, and generates and outputs a drive control signal depending on the image data received. The optical modulation system generates and modulates light and generates an image in response to the drive control signal and then scans the image for projecting onto a screen.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: November 16, 2010
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Kyeong Yun, In Jae Yeo, Haeng Seok Yang, Chun Gi Kim, Kyu Bum Han, Seung Won Ryu
  • Patent number: 7706029
    Abstract: A mobile display apparatus using an optical modulator is disclosed, comprising: a sensor sensing a light reflected from a side of a scanning device and then generating a scanning device reference signal specifying a position of the scanning device; and a driving signal control unit generating such scanning device control signal and optical modulator control signal that allow a light emitted from an optical modulator to be reflected in a predetermined area of the scanning device, by synchronizing the scanning device reference signal transferred from the sensor with an image synchronization signal.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: April 27, 2010
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In-Jae Yeo, Kyu-Bum Han
  • Publication number: 20090096776
    Abstract: The present invention relates generally to a device for controlling the output of a light source unit in a single panel display system. More particularly, the present invention relates to a device for controlling the output of a light source unit in a single panel display system, which adjusts the time of application of light source driving voltage based on the output characteristics of each light source, and adjusts video data for the light source based on the adjusted time, thereby preventing a garbage image from being generated.
    Type: Application
    Filed: April 4, 2008
    Publication date: April 16, 2009
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Bum Han, Seung Woo Lee
  • Publication number: 20090085829
    Abstract: A display apparatus compensating the discrepancy of alignment of beams irradiated on one-dimensional diffraction type optical modulator is disclosed.
    Type: Application
    Filed: September 10, 2008
    Publication date: April 2, 2009
    Applicant: Samsung Electro-Mechanics Co., Ltd
    Inventors: In-Jae Yeo, Kyu-Bum Han
  • Publication number: 20090073506
    Abstract: A scanner having a linear driving property and a scanning display apparatus using the scanner are disclosed. More particularly, a method of setting an input signal controlling a scanner can include measuring a driving property of the scanner; computing a driving property function according to the driving property; computing an inverse function of the driving property function; determining an index of an input signal corresponding to a node within a display picture based on the inverse function, the input signal being the signal controlling an angle of the scanner, and the node partitioning the display picture by a same distance in a scanning direction; and generating and storing an input signal reference table related to the relationship between the node and the index.
    Type: Application
    Filed: March 25, 2008
    Publication date: March 19, 2009
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyu-Bum Han
  • Patent number: 7388181
    Abstract: Disclosed herein is an apparatus for adjusting applied voltage in a display system using a diffractive optical modulator. The apparatus for adjusting applied voltage can measure the intensity of diffracted light emitted from the diffractive optical modulator, and adjust voltage to be applied to the diffractive optical modulator based on measurement results.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: June 17, 2008
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyu Bum Han, In Jae Yeo, Seung Won Ryu
  • Publication number: 20080111775
    Abstract: Disclosed herein is an apparatus for controlling brightness of a display device using a diffractive optical modulator. The apparatus includes a video signal reception unit, a video brightness type classification unit, and a brightness correction unit. The brightness correction unit corrects the brightness of the video based on the brightness type, determined by the video brightness type classification unit, and outputs information about the brightness of the video.
    Type: Application
    Filed: October 22, 2007
    Publication date: May 15, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Bum Han, Sun Ki Kim, In Jae Yeo
  • Publication number: 20080095531
    Abstract: An aspect of the present invention provides a device for inspecting an optical modulator. The device can comprise: a probe card that converts an inputted control signal to a driving signal, and provide the driving signal by contacting with each driving signal input pad of an optical modulator—wherein the optical modulator comprises one or more micromirrors and one or more driving signal input pads connected to the micromirrors, respectively, and the micromirror moves up and down according to the driving signal inputted through the driving signal input pad—; and an image control circuit that generates the control signal for checking if the optical modulator is operation properly, and is connected electrically to the probe card to transmit the control signal. A device and a method for inspecting an optical modulator according to the present invention can inspect performance and function of the optical modulator at a chip level.
    Type: Application
    Filed: September 27, 2007
    Publication date: April 24, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: In-Jae Yeo, Sang-Kyeong Yun, Seung-Do An, Kyu-Bum Han, Jong-Hyeong Song, Yoon-Shik Hong
  • Publication number: 20080080033
    Abstract: Disclosed is a display apparatus comprising: a light modulator; a scanning device configured to scan modulated light from the light modulator on a screen in two directions; a scanner driver configured to supply the scanning device with power and control a position of the scanning device; a memory configured to store a scanning profile, the scanning profile enabling the scanner driver to control a position of the scanning device; a projection control part configured to control an image projection of the light modulator by providing the scanner driver with a scanner control signal corresponding to the scanning profile read from the memory, wherein the scanning profile is configured to divide a scanning area scanned by the scanning device into an effective image area and a scan direction change area, and to apply a separate profile function to each of the effective image area and the scan direction change area.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 3, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyu-Bum Han
  • Publication number: 20080074719
    Abstract: Disclosed herein is a scanner profile setting apparatus for a scanning display system. The scanner profile setting apparatus includes a scanner profile setting unit, a scanning control unit, and a scanner drive circuit. The scanner profile setting unit forms a scanner profile for maintaining the linear velocity of an image, projected from the scanner onto a screen, constant.
    Type: Application
    Filed: September 19, 2007
    Publication date: March 27, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kyu Bum Han
  • Publication number: 20080024528
    Abstract: The present invention relates to an apparatus and method for adjusting the color characteristics of a display system using a diffractive optical modulator, which can respond to a user's request to vary color characteristics so as to actively respond to variation in the brightness of external light, etc., and can adjust the overall brightness of an image while maintaining white balance without incurring the loss of gray levels.
    Type: Application
    Filed: July 27, 2007
    Publication date: January 31, 2008
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Bum Han, In Jae Yeo, Sun Ki Kim, Sang Kyeong Yun, Seung Won Ryu
  • Publication number: 20070153388
    Abstract: Disclosed herein is an apparatus and method for controlling the optical output of a mobile display using a single-panel type diffractive light modulator. The apparatus includes a surrounding light amount information storage unit and an optical output adjusting means. The surrounding light amount information storage unit stores information about the amount of surrounding light. The optical output adjusting means adjusts the output values of red, green and blue light sources based on the information about the amount of surrounding light.
    Type: Application
    Filed: December 19, 2006
    Publication date: July 5, 2007
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Kyu Bum Han
  • Publication number: 20070076092
    Abstract: A mobile display apparatus using an optical modulator is disclosed, comprising: a sensor sensing a light reflected from a side of a scanning device and then generating a scanning device reference signal specifying a position of the scanning device; and a driving signal control unit generating such scanning device control signal and optical modulator control signal that allow a light emitted from an optical modulator to be reflected in a predetermined area of the scanning device, by synchronizing the scanning device reference signal transferred from the sensor with an image synchronization signal.
    Type: Application
    Filed: September 29, 2006
    Publication date: April 5, 2007
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In-Jae Yeo, Kyu-Bum Han
  • Patent number: 7193761
    Abstract: Disclosed herein is a method of controlling beam scanning timing and beam energy and a light beam scanning apparatus using the method. The light beam scanning apparatus includes a beam generation and processing means, a calculation and control means, a diffraction and scanning means and a scanning and processing means. The beam generation and processing means generates a beam and converts the beam into collimated light. The calculation and control means calculates scanning periods and beam energy, controls the operation periods and diffraction amounts of pixels of a light modulator. The diffraction and scanning means diffracts and modulates the beam and scans a plurality of diffracted beams.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: March 20, 2007
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Kyeong Yun, In-Jae Yeo, Kyu-Bum Han
  • Publication number: 20070058086
    Abstract: A bi-directional scan type color display device is disclosed, comprising: a light source part emitting color lights according to a light source control signal; an optical modulator element modulating the color lights according to an optical modulator control signal, thereby generating diffracted lights; a scanner bi-directionally scanning and then projecting the diffracted lights emitted from the optical modulator element according to a scanner control signal; and an image control circuit controlling the light source part, the optical modulator element and the scanner by transferring the light source control signal, the optical modulator control signal and the scanner control signal thereto in correspondence with image information which will be displayed on the screen.
    Type: Application
    Filed: September 12, 2006
    Publication date: March 15, 2007
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In-Jae Yeo, Sang-Kyeong Yun, Kyu-Bum Han, Seung-Won Ryu
  • Publication number: 20070052619
    Abstract: A two panel type color display device is disclosed, comprising a buffer memory storing RGB information corresponding to one frame—herein, the RGB information contains the intensity of red, green, and blue colors of (the number of vertical line pixels)×(the number of horizontal line pixels) pixels constituting one frame—; an image processor accessing the RGB information stored in the buffer memory and extracting therefrom fixed color image information corresponding to a fixed color light and a plurality of variable color image information corresponding to a plurality of variable color lights; a color-fixed panel modulating the fixed color light according to the fixed color image information and outputting the modulated fixed color light; a color-variable panel modulating the corresponding variable color lights according to the plurality of variable color image information and outputting the modulated variable color lights sequentially; a fixed color light source providing the fixed color light to the color-fix
    Type: Application
    Filed: September 7, 2006
    Publication date: March 8, 2007
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: In-Jae Yeo, Sang-Kyeong Yun, Kyu-Bum Han, Seung-Won Ryu
  • Publication number: 20050269492
    Abstract: Disclosed herein is a method of controlling beam scanning timing and beam energy and a light beam scanning apparatus using the method. The light beam scanning apparatus includes a beam generation and processing means, a calculation and control means, a diffraction and scanning means and a scanning and processing means. The beam generation and processing means generates a beam and converts the beam into collimated light. The calculation and control means calculates scanning periods and beam energy, controls the operation periods and diffraction amounts of pixels of a light modulator. The diffraction and scanning means diffracts and modulates the beam and scans a plurality of diffracted beams.
    Type: Application
    Filed: September 28, 2004
    Publication date: December 8, 2005
    Inventors: Sang Yun, In-Jae Yeo, Kyu-Bum Han