Patents by Inventor Woon-bae Kim

Woon-bae Kim 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: 20150126874
    Abstract: Provided are an optical switch, an optical probe including the optical switch, and a medical imaging apparatus including the optical probe. The optical probe includes a probe body that is configured to be insertable into a body cavity, and an optical switch that is disposed in the probe body and includes a first region formed of a material having a first refractive index, and a second region that forms an interface with the first region and is configured to have a fluid is introduced into the second region, wherein the optical switch is configured to change a path of propagation of incident light according to a second refractive index of the second region.
    Type: Application
    Filed: September 2, 2014
    Publication date: May 7, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-wan LEE, Woon-bae KIM, Eun-sung LEE, Jong-hyeon CHANG, Min-seog CHOI, Hyun CHOI
  • Publication number: 20150094599
    Abstract: A varifocal-type optical scanning probe including an optical fiber scanner and a varifocal lens is provided. The varifocal lens includes: a first membrane lens comprising a first lens surface with a variable curvature and a first pressure surface configured to induce a curvature variation of the first lens surface; a second membrane lens including a second lens surface with a variable curvature and a second pressure surface configured to induce a curvature variation of the second lens surface; a first pressure member disposed to apply a pressure to the first pressure surface; a second pressure member disposed to apply a pressure to the second pressure surface; and a motor configured to transmit a driving force to at least one of the first pressure member and the second pressure member.
    Type: Application
    Filed: July 30, 2014
    Publication date: April 2, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woon-bae KIM, Seung-wan LEE, Eun-sung LEE, Min-seog CHOI
  • Publication number: 20140232993
    Abstract: A fiber scanning projector includes a light source comprising a plurality of monochromatic light sources, a modulator providing a modulation signal according to image information to the light source, a scanner scanning a screen with a light emitted from the light source and controlled according to the modulation signal, the scanner including a fiber bundle and an actuator which 2-axis-drives the fiber bundle, and a synchronization controller synchronizing driving of the actuator and driving of the modulator.
    Type: Application
    Filed: February 12, 2014
    Publication date: August 21, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Woon-bae KIM
  • Patent number: 8797653
    Abstract: A curvature control device includes a first fluid that has a light transmitting property and a polar property; a second fluid that has a light transmitting property; a chamber that the first fluid and the second fluid are accommodated without being mixed with each other, wherein a boundary surface between the first fluid and the second fluid comprises a first surface that is a lens surface and a second surface that induces a change in a curvature of the first surface; a first intermediate plate that is disposed in the chamber, and includes a first through-hole that forms a diameter of a lens corresponding to the first surface and a second through-hole that forms a path of the second fluid; and an electrode portion configured to generate an electric field that changes a position of the second surface.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: August 5, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-hyeon Chang, Seung-wan Lee, Woon-bae Kim, Min-seog Choi, Eun-sung Lee, Kyu-dong Jung
  • Publication number: 20140133003
    Abstract: A micro optical switch device, an image display apparatus including the same, and a method of manufacturing the micro optical switch device are provided.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-sik SHIM, Woon-bae KIM, Hyung CHOI
  • Publication number: 20140131744
    Abstract: A driving device of a display apparatus, and a method of manufacturing the driving device. The driving device may have a specific structure, and be manufactured in such a manner, because a first electrode of a micro optical switch device may be formed simultaneously with the formation of at least a source region and a drain region, or a gate electrode of an active device and a capacitor electrode.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-sik SHIM, Woon-bae KIM, Hyung CHOI
  • Patent number: 8654177
    Abstract: A flexible image photographing apparatus includes a plurality of image photographing units to photograph a photographing object. A flexible body receives the plurality of image photographing units and may be transformed when a force is applied. A control portion is disposed at the flexible body to control each of the plurality of image photographing units to photograph the photographing object. The control portion stores images of the photographing object and performs various kinds of photography.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: February 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woon-bae Kim, Seung-wan Lee, Min-seog Choi
  • Publication number: 20140033822
    Abstract: An ultrasonic transducer, and an ultrasonic wave generating apparatus and an ultrasonic system including the same. The ultrasonic transducer includes a light-absorbing layer configured to absorb light incident on the light-absorbing layer and to generate heat based on the absorbed light; and a thermoelastic layer which is disposed on the light-absorbing layer and which is configured to thermally expand based on the heat to generate ultrasonic waves.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-seop YOON, Sung-chan KANG, Yong-hyup KIM, Mi-ae PARK, Jai-ick YOH, Seok-hwan LEE, Woon-bae KIM, Jong-seok KIM, Hye-lynn SONG, Eui-yun JANG
  • Publication number: 20130345557
    Abstract: A light scanning probe includes: a probe main body; a light scanner that includes a scanner module that is driven to rotate and a beam reflector that includes a plurality of reflection surfaces which alter a path of light being scanned by the scanner module, wherein the light scanner is disposed within the probe main body; and an optical fiber that guides light which is received from a light input unit toward the scanner module. A medical imaging apparatus includes the light scanning probe that irradiates light toward an object; a receiver that receives a signal which is generated in the object; and a signal processor that processes the signal received by the receiver.
    Type: Application
    Filed: June 26, 2013
    Publication date: December 26, 2013
    Inventors: Jong-seok KIM, Sung-chan KANG, Woon-bae KIM, Yong-seop YOON, Hyung CHOI
  • Publication number: 20130306480
    Abstract: A microfluidic device and a method of controlling a fluid included in the microfluidic device. The microfluidic device includes: a chamber; a first fluid that is disposed in the chamber and in which a hygroscopic material is dissolved; a second fluid that is disposed in the chamber and is immiscible with the first fluid; and an electrode portion provide in the chamber and is configured to form an electrical field in the chamber when a voltage is applied to the electrode portion, wherein an interface between the first and second fluids is varied according to the electrical field.
    Type: Application
    Filed: April 2, 2013
    Publication date: November 21, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jong-hyeon CHANG, Woon-bae KIM, Seung-wan LEE, Eun-sung LEE, Kyu-dong JUNG, Min-seog CHOI
  • Patent number: 8587561
    Abstract: A multi-sensing touch panel and a display apparatus using the same are provided. The multi-sensing touch panel includes: a touch pad including an input surface; at least one infrared ray source which irradiates infrared rays to the touch pad; and a camera array including a plurality of infrared ray cameras which are disposed below the touch pad and inclined with respect to a plane of the input surface.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: November 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woon-bae Kim, Jong-oh Kwon, Seung-wan Lee, Du-sik Park, Min-seog Choi, Chang-kyu Choi
  • Publication number: 20130303909
    Abstract: Laser-induced ultrasonic wave apparatuses and methods of generating images using the same. The laser-induced ultrasonic wave apparatus includes a laser source which irradiates a laser beam to a target object and a thermoelastic material; a thermoelastic material which converts the laser beam to a first ultrasonic wave and irradiates the first ultrasonic wave to the target object; and a receiving unit which receives an echo acoustic wave of the first ultrasonic wave and receives a second ultrasonic wave generated by the target object due to the laser beam.
    Type: Application
    Filed: May 3, 2013
    Publication date: November 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Chan KANG, Woon-bae Kim, Jong-seok Kim, Yong-seop Yoon
  • Patent number: 8531580
    Abstract: An imaging device with a plurality of imaging units is provided. The imaging device includes a supporting substrate, a flexible substrate and a movable unit. The supporting substrate is formed with a hard material, and the flexible substrate includes a plurality of imaging units positioned at least in a width direction. The flexible substrate is fixed at a first edge portion with the supporting substrate, while an opposite second edge portion of the flexible substrate is connected with the movable unit. The movable unit moves the opposite second edge portion of the flexible substrate in the width direction and bends or flattens the flexible substrate. A degree of curvature at which the flexible substrate is bent may vary based on a distance by which the movable unit moves in the width direction, so that a field of view (FOV) of the plurality of imaging units may be adjusted.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 10, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Seog Choi, Woon-Bae Kim, Eun-Sung Lee, Kyu-Dong Jung
  • Patent number: 8508824
    Abstract: A scanning lens apparatus with a bimorph actuator is provided. The scanning lens apparatus includes: a housing having a hollow cylindrical shape; a first suspension and a second suspension which are parallel to each other, and a first end of each of the first suspension and the second suspension is fixed on an inner surface of the housing; first bimorphs disposed on first surfaces of the first and second suspensions and second bimorphs disposed on second surfaces facing the first surfaces of the first and second suspensions; a first lens which is fixed between a second end of the first suspension and a second end of the second suspension; a second lens fixed parallel to the first lens between the first and second suspensions; and an object lens disposed on an end of the housing to face the second lens with respect to the first lens.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: August 13, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woon-bae Kim, Eun-sung Lee, Kyu-dong Jung
  • Patent number: 8482860
    Abstract: A varifocal lens structure and a method of manufacturing the same, the varifocal lens structure including: a frame having a fluid chamber filled with an optical fluid and formed of polymethylsiloxane (PDMS) containing a predetermined fluid; a transparent cover disposed on a top surface of the frame so as to cover the fluid chamber; a transparent elastic membrane disposed on a bottom surface of the frame so as to form a lower wall of the fluid chamber; and an actuator disposed on the elastic membrane.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: July 9, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-wan Lee, Woon-bae Kim, Kyu-dong Jung, Jeong-yub Lee
  • Publication number: 20130088856
    Abstract: A transmissive and reflective mode convertible display is provided including a converting unit convertible between a reflective mirror layer state and a light transmitting layer state and a shutter unit. Based on the state of the converting unit, the display may be drive to utilize light from a backlight transmitted through the converting unit or external light reflected off the converting unit.
    Type: Application
    Filed: July 3, 2012
    Publication date: April 11, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-seok KIM, Dong-sik SHIM, Yong-seop YOON, Hyung CHOI, Woon-bae KIM
  • Patent number: 8411366
    Abstract: An optical probe and an optical system therefor are provided. The optical probe is includes a housing configured to house the optical system and the housing has a transparent window therein. the optical system includes a light emitting unit, a collimation lens, and a focusing lens. A numerical aperture of the optical system is adjustable by adjusting a pupil diameter of the collimation lens and a focal length of the focusing lens. The pupil diameter of the collimation lens is adjustable based on a variable focal lens or by adjusting a distance between the collimation lens and the light emitting unit.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: April 2, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Seog Choi, Seung-Wan Lee, Woon-Bae Kim, Seung-Tae Choi
  • Publication number: 20130070249
    Abstract: A numerical aperture (NA) controlling unit and a variable optical probe including the same are provided. The NA controlling unit includes: an aperture adjustment unit which controls an aperture through which light is transmitted; and a focus control unit that is disposed in a predetermined position with respect to the aperture adjustment unit, that focuses light transmitted through the aperture, and that has an adjustable focal length. The variable optical probe includes: a light transmission unit; a collimator that collimates light transmitted through the light transmission unit into parallel light; an NA controlling unit that focuses light on a sample to be inspected; and a scanner that varies a path of light transmitted through the light transmission unit such that a predetermined region of the sample is scanned by light that passes through the NA controlling unit.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 21, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-seog CHOI, Seung-wan LEE, Woon-bae KIM, Eun-sung LEE, Kyu-dong JUNG, Jong-hyeon CHANG
  • Publication number: 20130070445
    Abstract: A micro-optical switching device, an image display apparatus including the micro-optical switching device, and a method of manufacturing the micro-optical switching device are provided. The micro-optical switching device includes a substrate; a first electrode disposed on the substrate and including a first opening array, wherein the first opening array includes a plurality of openings; and a second electrode disposed spaced apart from the first electrode and including a second opening array including a plurality of openings, wherein the plurality of openings of the second opening array do not overlap with the plurality of openings of the first opening array.
    Type: Application
    Filed: May 1, 2012
    Publication date: March 21, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-sik SHIM, Jong-seok KIM, Yong-seop YOON, Hyung CHOI, Woon-bae KIM
  • Publication number: 20130066150
    Abstract: A zoom lens module and an endoscope system including the zoom lens module are disclosed. The zoom lens module includes: a first liquid lens; a second liquid which is disposed separated from the first liquid lens; and an aperture disposed between the first and second liquid lenses. A respective focal distance of each of the first liquid lens and the second liquid lens is adjustable based on a change of at least one of the respective curvature thereof and the respective thickness thereof.
    Type: Application
    Filed: June 25, 2012
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-wan LEE, Yeon-ho KIM, Min-seog CHOI, Woon-bae KIM