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: 20130038944
    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: Application
    Filed: August 9, 2012
    Publication date: February 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyeon CHANG, Seung-wan LEE, Woon-bae KIM, Min-seog CHOI, Eun-sung LEE, Kyu-dong JUNG
  • Patent number: 8313197
    Abstract: A pattern projecting apparatus usable with a three-dimensional imaging apparatus includes a light generator which emits a light beam, and a pattern adjusting unit disposed in front of the light generator. The pattern adjusting unit forms a projection pattern on an object, and adjusts a focus of the light beam emitted from the light generator.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: November 20, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-yub Lee, Seung-wan Lee, Woon-bae Kim, Seung-tae Choi
  • Patent number: 8305699
    Abstract: A wafer-level lens module with an extended depth of field (EDF) and an imaging device including the wafer-level lens module are provided. The wafer-level EDF lens module includes a plurality of wafer-scale lenses stacked with fixed distances therebetween. The plurality of wafer-scale lenses includes an effective lens having a profile which satisfies a corrected optimized aspheric function, wherein a profile of a center region of the effective lens is optimized for an infinity-focused image and a profile of an edge region of the effective lens is optimized for a macro-focused image.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: November 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Wan Lee, Woon-Bae Kim, Jeong-Yub Lee
  • Patent number: 8300317
    Abstract: Varifocal lens for camera module incorporated in wireless mobile communication device is provided. The varifocal lens includes: a membrane; a frame which is fixed to the membrane and has a receiving hole formed in the middle; a transparent substrate which is fixed to the frame to seal optical fluid received in the receiving hole; one or more actuators to change a curvature of a fluid lens part by bending the circumference of the fluid lens part formed around a central portion of the receiving hole; and a restriction lessening member which is adapted to lessen a restrictive force of an edge of the fluid lens part, is made of a transparent material, has with an area smaller than the fluid lens part to correspond to an inner side of the fluid lens part except the edge of the fluid lens part, and has a larger Young's modulus than the membrane.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: October 30, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-yub Lee, Seung-wan Lee, Woon-bae Kim, Seung-tae Choi
  • Publication number: 20120170094
    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: Application
    Filed: July 25, 2011
    Publication date: July 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woon-bae KIM, Eun-sung LEE, Kyu-dong JUNG
  • Publication number: 20120154924
    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: Application
    Filed: June 16, 2011
    Publication date: June 21, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-wan LEE, Woon-bae KIM, Kyu-dong JUNG, Jeong-yub LEE
  • Publication number: 20120127724
    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: Application
    Filed: May 5, 2011
    Publication date: May 24, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-Seog CHOI, Seung-Wan LEE, Woon-Bae KIM, Seung-Tae CHOI
  • Patent number: 8173949
    Abstract: An image sensing apparatus with artificial ommatidia includes an imaging optical lens group forming a concave focal surface, an artificial ommatidia unit having a curved top surface corresponding to the concave focal surface and a flat bottom surface, and an image sensor disposed under the artificial ommatidia unit. The artificial ommatidia unit is disposed under the imaging optical lens group so that the curved top surface is coincided with the concave focal surface of the imaging optical lens group. The artificial ommatidia unit having a plurality of artificial ommatidia collects light emitting from the imaging optical lens group, and guides the light to the bottom surface thereof.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-tae Choi, Min-seog Choi, Jeong-yub Lee, Woon-bae Kim
  • Publication number: 20120105971
    Abstract: An optical apparatus such as a varifocal fluidic lens is provided. Optical apparatus includes a spacer frame, optical fluid, an elastic membrane, an actuator, an actuator frame, and a thermally deformable frame. Spacer frame defines an internal space including a lens portion and a driving portion that connect to each other, and the driving portion is disposed to surround the lens portion disposed in the center area of the internal space. Optical fluid is filled in the internal space defined by the spacer frame. The elastic membrane is attached on a surface of the spacer frame, to cover a side of the internal space, and the thermally deformable plate is attached on the other surface of the spacer frame, to cover the other side of the internal space. The thermally deformable plate deforms to increase or decrease a volume of the internal space according to a change in temperature.
    Type: Application
    Filed: August 16, 2011
    Publication date: May 3, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-Yub LEE, Kyu-Dong JUNG, Seung-Wan LEE, Woon-Bae KIM
  • Patent number: 8149512
    Abstract: Micro-shutter device applicable to display devices including a flexible display device and method of manufacturing same are provided. Micro-shutter device includes membrane. Frame including receiving hole in its center portion is bonded to membrane. Transparent substrate is bonded to frame to encapsulate optical fluid received in receiving hole. Actuator varies refractive power produced by change in curvature of fluid lens formed in the center portion of the receiving hole due to bending of a periphery of the fluid lens. A reflector is disposed to correspond to the fluid lens and be spaced apart from the membrane, such that light intensity transferred to a user is adjusted depending on the refractive power produced by a change in curvature of the fluid lens. Therefore, the device has improved optical efficiency compared to using liquid crystal and a polarizing film, and can have a flexible structure for application to a flexible display device.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: April 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woon-bae Kim, Kyu-dong Jung, Seung-wan Lee
  • Patent number: 8147150
    Abstract: A micro shutter with an iris function includes a base plate with a transparent portion formed in a circular shape corresponding to an image sensor which allows light to pass through; a plurality of rollup blades which block the light, arranged in a regular polygon at a circumference of the transparent portion on the base plate to cover the transparent portion, and each of the plurality of rollup blades to have a fixing portion fixed to the base plate and a moving portion rolled up toward the fixing portion; and a controller electrically connected with the base plate and the plurality of rollup blades which controls unrolling degrees of the plurality of rollup blades.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: April 3, 2012
    Assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd.
    Inventors: Che-heung Kim, Woon-bae Kim, Jong-oh Kwon, Kyu-Dong Jung
  • Patent number: 8111464
    Abstract: A liquid optical lens which changes a focus due to a change in a shape of a translucent elastic membrane according to a change in a fluid pressure of a lens chamber and a manufacturing method thereof are provided. The liquid optical lens forms a dampproof coating membrane on the translucent elastic membrane to prevent a fluid from permeating through the translucent elastic membrane and a swelling phenomenon of the translucent elastic membrane.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: February 7, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jeong-yub Lee, Seung-wan Lee, Seung-tae Choi, Woon-bae Kim, Jae-ho You, Che-heung Kim
  • Publication number: 20120027397
    Abstract: A micro shutter with an iris function includes a base plate with a transparent portion formed in a circular shape corresponding to an image sensor which allows light to pass through; a plurality of rollup blades which block the light, arranged in a regular polygon at a circumference of the transparent portion on the base plate to cover the transparent portion, and each of the plurality of rollup blades to have a fixing portion fixed to the base plate and a moving portion rolled up toward the fixing portion; and a controller electrically connected with the base plate and the plurality of rollup blades which controls unrolling degrees of the plurality of rollup blades.
    Type: Application
    Filed: October 11, 2011
    Publication date: February 2, 2012
    Applicants: SAMSUNG ELECTRO MECHANICS CO., LTD, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Che-heung KIM, Woon-bae KIM, Jong-oh KWON, Kyu-Dong JUNG
  • Publication number: 20120007815
    Abstract: A multipurpose sensing apparatus and electronic equipment are provided. The sensing apparatus includes planar type compound eyes, each planar type compound eye including ommatidium arranged in a circular arc such that each ommatidium views a contact surface; three-dimensional (3D) compound eyes, each 3D compound eye including ommatidium arranged in an array such that each ommatidium views an area in front of the contact surface; and an image signal processor that is configured to determine a touch position on the contact surface based on image signals transmitted from the planar type compound eyes, and to recognize a motion of an object existing in front of the contact surface based on image signals transmitted from the 3D compound eyes.
    Type: Application
    Filed: February 25, 2011
    Publication date: January 12, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woon-bae KIM, Min-Seog CHOI, Eun-Sung LEE, Kyu-Dong JUNG
  • Publication number: 20120002096
    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: Application
    Filed: February 22, 2011
    Publication date: January 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-Seog CHOI, Woon-Bae KIM, Eun-Sung LEE, Kyu-Dong JUNG
  • Patent number: 8061910
    Abstract: A micro shutter with an iris function includes a base plate with a transparent portion formed in a circular shape corresponding to an image sensor which allows light to pass through; a plurality of rollup blades which block the light, arranged in a regular polygon at a circumference of the transparent portion on the base plate to cover the transparent portion, and each of the plurality of rollup blades to have a fixing portion fixed to the base plate and a moving portion rolled up toward the fixing portion; and a controller electrically connected with the base plate and the plurality of rollup blades which controls unrolling degrees of the plurality of rollup blades.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: November 22, 2011
    Assignees: Samsung Electronics Co., Ltd., Samsung Electro Mechanics Co., Ltd.
    Inventors: Che-heung Kim, Woon-bae Kim, Jong-oh Kwon, Kyu-dong Jung
  • Patent number: 8045318
    Abstract: A tunable capacitor using an electrowetting phenomenon includes a first electrode; a second electrode which is spaced apart from the first electrode and faces the first electrode; a fluidic channel which is disposed between the first electrode and the second electrode; a first insulating layer which is disposed between the first electrode and the fluidic channel; and a conductive fluid which is disposed in the fluidic channel and moves along the fluidic channel when a direct current (DC) potential difference occurs between the first and second electrodes. Accordingly, it is possible to fabricate the tunable capacitor with the simplified fabrication process, good reliability and durability, and no restriction on the tuning range.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-tae Choi, Ji-hyuk Lim, Woon-bae Kim, Eun-seok Park, Jeong-yub Lee
  • Patent number: 7986466
    Abstract: A varifocal lens includes a hollow case having first and second sidewalls facing each other, the first and second sidewalls through which a light passes; at least one light transmission membrane partitioning an inner space of the case into at least two liquid chambers, the at least one light transmission membrane through which a light passes; at least two liquids filled in the at least two liquid chambers; at least one first operating hole formed at the first sidewall; a first actuator disposed to cover the at least one first operating hole and to pressurize the liquid contacting the first sidewall; and a controller configured to control the first actuator to change a focal distance of an optical lens consisting of the first and second sidewalls, the at least two liquids, and the at least one light transmission membrane of the case.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: July 26, 2011
    Assignee: Samsung Electro Mechanics Co., Ltd
    Inventors: Seung-wan Lee, Jeong-yub Lee, Woon-bae Kim, Seung-tae Choi
  • Patent number: 7963021
    Abstract: An inductor embedded in a substrate, including a substrate, a coil electrode formed by filling a metal in a spiral hole formed on the substrate, an insulation layer formed on the substrate, and an external connection pad formed on the insulation layer to be connected to the coil electrode. The inductor-embedded substrate can be used as a cap for a micro device package by forming a cavity on its bottom surface.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: June 21, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon-chul Lee, Jong-oh Kwon, Woon-bae Kim, Jea-shik Shin, Jun-sik Hwang, Eun-sung Lee
  • Publication number: 20110134303
    Abstract: An image pickup device and a manufacturing method thereof are disclosed. The image pickup device includes a printed circuit board (PCB), an image sensor module, an optical lens module, a fluidic lens module, and a shutter module. The image sensor module is disposed over the printed circuit board and electrically connected to interconnection pads on the PCB. The optical lens module is disposed over the image sensor module and includes one or more lenses. The fluidic lens module is disposed over the optical lens module, has a variable focus and is electrically connected to interconnection pads on the PCB. The shutter module is disposed over the fluidic lens module, and is electrically connected to remaining interconnection pads on the PCB. The fluidic lens module and the shutter module may be connected to the interconnection pads through bumped plate springs.
    Type: Application
    Filed: May 19, 2010
    Publication date: June 9, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-dong JUNG, Woon-bae KIM, Min-seog CHOI