Patents by Inventor Kyung Ho Lee

Kyung Ho Lee 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: 20140021541
    Abstract: A semiconductor device includes a second conductive-type deep well configured above a substrate. The deep well includes an ion implantation region and a diffusion region. A first conductive-type first well is formed in the diffusion region. A gate electrode extends over portions of the ion implantation region and of the diffusion region, and partially overlaps the first well. The ion implantation region has a uniform impurity concentration whereas the impurity concentration of the diffusion region varies from being the highest concentration at the boundary interface between the ion implantation region and the diffusion region to being the lowest at the portion of the diffusion region that is the farthest away from the boundary interface.
    Type: Application
    Filed: August 1, 2013
    Publication date: January 23, 2014
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Jae-Han CHA, Kyung-Ho LEE, Sun-Goo KIM, Hyung-Suk CHOI, Ju-Ho KIM, Jin-Young Chae, IN-Taek OH
  • Patent number: 8629486
    Abstract: A complementary metal-oxide-semiconductor (CMOS) image sensor, including a wiring layer, a photodiode stacked with the wiring layer, a micro-lens stacked on the photodiode, an anti-reflection layer stacked on the photodiode. An anti-absorption layer may be provided between the photodiode and the anti-reflection layer. The photodiode may include a first portion and a second portion. Light may be focused on the first portion by the micro-lens and the second portion may at least partially surround the first portion. A material of the first portion may have a refractive index higher than a refractive index of a material of the second portion. The anti-absorption layer may include a compound semiconductor having an energy band gap greater than an energy band gap of a semiconductor included in the photodiode.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: January 14, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-chak Ahn, Eun-sub Shim, Bum-suk Kim, Kyung-ho Lee
  • Publication number: 20140008705
    Abstract: A semiconductor device includes field regions formed in a substrate, and n-type impurity regions disposed between the field regions. At least one of the side surfaces of the field regions has a {100}, {310}, or {311} plane.
    Type: Application
    Filed: March 15, 2013
    Publication date: January 9, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon- Young Choi, Kyung-Ho Lee, Sang-Jun Choi, Tae-Hyoung Koo, Sam-Jong Choi
  • Patent number: 8624449
    Abstract: Disclosed herein is a linear vibration motor, including: a fixing part, a vibrator part vibrating in a horizontal direction, and an elastic member coupled with the outer side of the vibrator part and a round-shaped bending part to elastically support the fixing part opposite to the vibrator part linearly vibrating in a horizontal direction.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: January 7, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd
    Inventors: Yong Jin Kim, Kyung Ho Lee, Jun Kun Choi, Hwa Young Oh
  • Publication number: 20130344639
    Abstract: A backside-illuminated active pixel sensor array in which crosstalk between adjacent pixels is prevented, a method of manufacturing the backside-illuminated active pixel sensor array, and a backside-illuminated image sensor including the backside-illuminated active pixel sensor array are provided. The backside-illuminated active pixel sensor array includes a semiconductor substrate of a first conductive type that comprises a front surface and a rear surface, light-receiving devices for generating charges in response to light incident via the rear surface, and one or more pixel isolating layers for forming boundaries between pixels by being disposed between the adjacent light-receiving devices, a wiring layer disposed on the front surface of the semiconductor substrate, and a light filter layer disposed on the rear surface of the semiconductor substrate, wherein a thickness of the one or more pixel isolating layers decreases from a point in the semiconductor substrate toward the rear surface.
    Type: Application
    Filed: July 25, 2013
    Publication date: December 26, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-sub Shim, Jung-chak Ahn, Bum-suk Kim, Kyung-ho Lee
  • Patent number: 8614470
    Abstract: A unit pixel of a CMOS image sensor include a photodiode that transforms light to an electric charge, and accumulates the electric charge, and a plurality of transistors that generate an electric signal based on the accumulated electric charge. The photodiode has a slope shape based on incident angle of the light in a semiconductor substrate.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: December 24, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Ho Lee, Dong-Yoon Jang, Jung-Chak Ahn, Moo-Sup Lim
  • Publication number: 20130320479
    Abstract: An image sensor includes a photodetector formed in an epitaxial layer, and trench isolations each formed in a direction from a back side of the epitaxial layer to a front side of the epitaxial layer. Each of the trench isolations is filled with at least one insulator, and the insulator is a negative charge material.
    Type: Application
    Filed: March 15, 2013
    Publication date: December 5, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Chak AHN, Kyung Ho LEE, Sang Jun CHOI
  • Patent number: 8575702
    Abstract: A semiconductor device includes: an active region configured over a substrate to include a first conductive-type first deep well and second conductive-type second deep well forming a junction therebetween. A gate electrode extends across the junction and over a portion of first conductive-type first deep well and a portion of the second conductive-type second deep well. A second conductive-type source region is in the first conductive-type first deep well at one side of the gate electrode whereas a second conductive-type drain region is in the second conductive-type second deep well on another side of the gate electrode. A first conductive-type impurity region is in the first conductive-type first deep well surrounding the second conductive-type source region and extending toward the junction so as to partially overlap with the gate electrode and/or partially overlap with the second conductive-type source region.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: November 5, 2013
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Jae-Han Cha, Kyung-Ho Lee, Sun-Goo Kim, Hyung-Suk Choi, Ju-Ho Kim, Jin-Young Chae, In-Taek Oh
  • Patent number: 8563914
    Abstract: A unit pixel capable of achieving full initialization of a floating diffusion area, a pixel array including the unit pixel, and a photodetecting device including the pixel array. The unit pixel includes a photodetector, a transmission transistor for transmitting charges generated from the photodetector to a floating diffusion area, a reset transistor for initializing the floating diffusion area, and a boosting capacitor having a first terminal connected to the floating diffusion area and a second terminal to which a boosting voltage is applied.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: October 22, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-chak Ahn, Kyung-ho Lee, Shay Hamami, Young-hwan Park
  • Patent number: 8552497
    Abstract: The semiconductor device includes: a first conductive-type first well and a second conductive-type second well configured over a substrate to contact each other; a second conductive-type anti-diffusion region configured in an interface where the first conductive-type first well contacts the second conductive-type second well over the substrate; and a gate electrode configured to simultaneously cross the first conductive-type first well, the second conductive-type anti-diffusion region, and the second conductive-type second well over the substrate.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: October 8, 2013
    Assignee: Magnachip Semiconductor, Ltd.
    Inventors: Jae-Han Cha, Kyung-Ho Lee, Sun-Goo Kim, Hyung-Suk Choi, Ju-Ho Kim, Jin-Young Chae, In-Taek Oh
  • Patent number: 8546883
    Abstract: A semiconductor device includes a second conductive-type deep well configured above a substrate. The deep well includes an ion implantation region and a diffusion region. A first conductive-type first well is formed in the diffusion region. A gate electrode extends over portions of the ion implantation region and of the diffusion region, and partially overlaps the first well. The ion implantation region has a uniform impurity concentration whereas the impurity concentration of the diffusion region varies from being the highest concentration at the boundary interface between the ion implantation region and the diffusion region to being the lowest at the portion of the diffusion region that is the farthest away from the boundary interface.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: October 1, 2013
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Jae-Han Cha, Kyung-Ho Lee, Sun-Goo Kim, Hyung-Suk Choi, Ju-Ho Kim, Jin-Young Chae, In-Taek Oh
  • Patent number: 8546881
    Abstract: A semiconductor device includes a second conductive-type well configured over a substrate, a first conductive-type body region configured over the second conductive-type well, a gate electrode which overlaps a portion of the first conductive-type body region, and a first conductive-type channel extension region formed over the substrate and which overlaps a portion of the gate electrode.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: October 1, 2013
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Jae-Han Cha, Kyung-Ho Lee, Sun-Goo Kim, Hyung-Suk Choi, Ju-Ho Kim, Jin-Young Chae, In-Taek Oh
  • Patent number: 8541857
    Abstract: Backside illumination CMOS image sensors having convex light-receiving faces and methods of manufacturing the same. A backside illumination CMOS image sensor includes a metal layer, an insulating layer and a photodiode. The insulating layer is on the metal layer. The photodiode is on the insulating layer, and a top face of the photodiode, which receives light, is curved. A method of manufacturing a backside illumination CMOS image sensor including a photodiode having a convex surface includes forming an island smaller than the photodiode on a portion of a light-receiving face of the photodiode, and annealing the island to form the photodiode having the convex light-receiving face.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: September 24, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-chak Ahn, Kyung-ho Lee
  • Patent number: 8536745
    Abstract: Disclosed herein is a linear vibrator having a mass body which is accommodated in a casing defining an internal space and is vibrated. The linear vibrator includes a bracket supporting the linear vibrator from a lower position. The bracket has a depression in a bottom thereof such that a coil lead wire of a coil is placed in the depression, thus preventing friction between the coil lead wire and a movable unit.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: September 17, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kwang Hyung Lee, Jun Kun Choi, Hwa Young Oh, Jee Sung Lee, Je Hyun Bang, Yong Jin Kim, Kyung Ho Lee, Seok Jun Park
  • Patent number: 8537255
    Abstract: Image sensors including a semiconductor substrate, a plurality of photo detecting elements, a dielectric layer, a plurality of color filters, and a plurality of micro lenses. The photo detecting elements may be in the semiconductor substrate and may convert an incident light into an electric signal. The dielectric layer may be on the semiconductor substrate and may include a plurality of photo blocking regions on regions between the photo detecting elements. The color filters may be on the dielectric layer and may be disposed corresponding to the plurality of photo detecting elements, respectively. The micro lenses may be on the plurality of color filters and may be disposed corresponding to the plurality of photo detecting elements, respectively.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: September 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Ho Lee, Jung-Chak Ahn, Dong-Yoon Jang, Wook Lee, Tae-Sub Jung
  • Patent number: 8508013
    Abstract: A backside-illuminated active pixel sensor array in which crosstalk between adjacent pixels is prevented, a method of manufacturing the backside-illuminated active pixel sensor array, and a backside-illuminated image sensor including the backside-illuminated active pixel sensor array are provided. The backside-illuminated active pixel sensor array includes a semiconductor substrate of a first conductive type that comprises a front surface and a rear surface, light-receiving devices for generating charges in response to light incident via the rear surface, and one or more pixel isolating layers for forming boundaries between pixels by being disposed between the adjacent light-receiving devices, a wiring layer disposed on the front surface of the semiconductor substrate, and a light filter layer disposed on the rear surface of the semiconductor substrate, wherein a thickness of the one or more pixel isolating layers decreases from a point in the semiconductor substrate toward the rear surface.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: August 13, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-sub Shim, Jung-chak Ahn, Bum-suk Kim, Kyung-ho Lee
  • Publication number: 20130188078
    Abstract: An image sensor includes a photo detector for accumulating charges in response to an incident light, a storage unit for storing the charges, a first transmission gate for transmitting the charges from the photo detector to the storage unit, a second transmission gate for transmitting the charges from the storage unit to the floating diffusion node, a reset gate for resetting the floating diffusion node in response a reset gate signal, and a coupling circuit connected between the reset gate and the storage unit.
    Type: Application
    Filed: September 14, 2012
    Publication date: July 25, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Sub SHIM, Kyung Ho LEE, Moo Sup LIM, Jung Chak AHN
  • Patent number: 8487351
    Abstract: The image sensor and an image sensing system including the same are provided. The image sensor includes a semiconductor substrate, a pixel array formed at a pixel area located in the semiconductor substrate and comprising a plurality of photoelectric converts, a plurality of driver circuits formed at a circuit area defined in the semiconductor substrate. The image sensor includes at least one heat blocker or heat shield. The at least one heat blocker may be formed between the pixel area and the circuit area in the semiconductor substrate. The heat blocker or heat shield may block or dissipate heat generated at the circuit area from being transferred to the pixel area through the semiconductor substrate. The heat blocker or heat shield may be used in image sensors using a back-side illumination sensor (BIS) structure or image sensors using a silicon on insulator (SOI) semiconductor substrate.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: July 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Ho Lee, Dong-Yoon Jang, Jung Chak Ahn, Moo Sup Lim, Yong Jei Lee, Jong Eun Park
  • Patent number: 8446055
    Abstract: A linear type vibration motor having a magnet casing is disclosed. The linear type vibration motor in accordance with an embodiment of the present invention includes a magnet assembly having a pair of magnets, in which same magnetic poles thereof face each other, a magnet casing, which has a hollow part formed therein and houses the magnet assembly in the hollow part, a base, which has a bobbin formed thereon and in which the magnet casing is inserted into the bobbin, a coil, which is coupled to the bobbin, a weight, which is coupled to both ends of the magnet casing, and a pair of elastic bodies, which are interposed between either end of the base and either end of the weight, respectively. Thus, the operating lifetime of the linear type vibration motor can be extended, and this arrangement can prevent the linear type vibration motor from being damaged by an external shock.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: May 21, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae-Woo Jun, Jun-Kun Choi, Hwa-Young Oh, Jee-Sung Lee, Yong-Jin Kim, Kyung-Ho Lee, Seok-Jun Park, Kwang-Hyung Lee, Je-Hyun Bang
  • Patent number: D681017
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: April 30, 2013
    Assignee: Enter Tech Co., Ltd.
    Inventor: Kyung Ho Lee