Patents by Inventor Jeong In Cheon

Jeong In Cheon 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: 20240070980
    Abstract: An automated method for generating a prosthesis from a 3D scan data, the method includes automatically extracting tooth information of a tooth included in the 3D scan data from the 3D scan data, automatically extracting a margin line of a prepared tooth, generating a plurality of two dimensional (ā€œ2Dā€) images including the prepared tooth and an adjacent tooth adjacent to the prepared tooth, automatically generating a 3D temporary prosthesis data based on the plurality of 2D images and deforming a single tooth model corresponding to the prepared tooth using the margin line and the 3D temporary prosthesis data to generate a 3D prosthesis data.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 29, 2024
    Applicant: IMAGOWORKS INC.
    Inventors: Junseong AHN, So Jeong CHEON, Seong Jun TAK, Bonjour SHIN, Dong Uk KAM, Jung-Min HWANG, Jeonghwa KIM, Taeseok LEE, Jinhyeok CHOI
  • Patent number: 10497716
    Abstract: Provided herein is a semiconductor device including: a channel layer; a data storage layer surrounding the channel layer and extending along the channel layer; interlayer insulating layers surrounding the data storage layer and stacked along the channel layer, wherein the interlayer insulating layers are spaced apart from each other, wherein a conductive area is disposed between the interlayer insulating layers; a conductive pattern disposed in the conductive area and surrounding the data storage layer; buffer patterns disposed between the interlayer insulating layers and the data storage layer and surrounding the data storage layer, wherein each of the buffer patterns includes a densified area, wherein the buffer patterns are separated from each other by the conductive area; and a blocking insulating pattern disposed between the conductive pattern and the data storage layer and surrounding the data storage layer.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: December 3, 2019
    Assignee: SK hynix Inc.
    Inventors: In Su Park, Ki Hong Lee, Hye Jeong Cheon
  • Publication number: 20180323211
    Abstract: Provided herein is a semiconductor device including: a channel layer; a data storage layer surrounding the channel layer and extending along the channel layer; interlayer insulating layers surrounding the data storage layer and stacked along the channel layer, wherein the interlayer insulating layers are spaced apart from each other, wherein a conductive area is disposed between the interlayer insulating layers; a conductive pattern disposed in the conductive area and surrounding the data storage layer; buffer patterns disposed between the interlayer insulating layers and the data storage layer and surrounding the data storage layer, wherein each of the buffer patterns includes a densified area, wherein the buffer patterns are separated from each other by the conductive area; and a blocking insulating pattern disposed between the conductive pattern and the data storage layer and surrounding the data storage layer.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Inventors: In Su PARK, Ki Hong LEE, Hye Jeong CHEON
  • Patent number: 10050056
    Abstract: Provided herein is a semiconductor device including: a channel layer; a data storage layer surrounding the channel layer and extending along the channel layer; interlayer insulating layers surrounding the data storage layer and stacked along the channel layer, wherein the interlayer insulating layers are spaced apart from each other, wherein a conductive area is disposed between the interlayer insulating layers; a conductive pattern disposed in the conductive area and surrounding the data storage layer; buffer patterns disposed between the interlayer insulating layers and the data storage layer and surrounding the data storage layer, wherein each of the buffer patterns includes a densified area, wherein the buffer patterns are separated from each other by the conductive area; and a blocking insulating pattern disposed between the conductive pattern and the data storage layer and surrounding the data storage layer.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: August 14, 2018
    Assignee: SK Hynix Inc.
    Inventors: In Su Park, Ki Hong Lee, Hye Jeong Cheon
  • Publication number: 20180097013
    Abstract: Provided herein is a semiconductor device including: a channel layer; a data storage layer surrounding the channel layer and extending along the channel layer; interlayer insulating layers surrounding the data storage layer and stacked along the channel layer, wherein the interlayer insulating layers are spaced apart from each other, wherein a conductive area is disposed between the interlayer insulating layers; a conductive pattern disposed in the conductive area and surrounding the data storage layer; buffer patterns disposed between the interlayer insulating layers and the data storage layer and surrounding the data storage layer, wherein each of the buffer patterns includes a densified area, wherein the buffer patterns are separated from each other by the conductive area; and a blocking insulating pattern disposed between the conductive pattern and the data storage layer and surrounding the data storage layer.
    Type: Application
    Filed: November 22, 2017
    Publication date: April 5, 2018
    Inventors: In Su PARK, Ki Hong LEE, Hye Jeong CHEON
  • Patent number: 9859299
    Abstract: Provided herein is a semiconductor device including: a channel layer; a data storage layer surrounding the channel layer and extending along the channel layer; interlayer insulating layers surrounding the data storage layer and stacked along the channel layer, wherein the interlayer insulating layers are spaced apart from each other, wherein a conductive area is disposed between the interlayer insulating layers; a conductive pattern disposed in the conductive area and surrounding the data storage layer; buffer patterns disposed between the interlayer insulating layers and the data storage layer and surrounding the data storage layer, wherein each of the buffer patterns includes a densified area, wherein the buffer patterns are separated from each other by the conductive area; and a blocking insulating pattern disposed between the conductive pattern and the data storage layer and surrounding the data storage layer.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: January 2, 2018
    Assignee: SK Hynix Inc.
    Inventors: In Su Park, Ki Hong Lee, Hye Jeong Cheon
  • Publication number: 20170323899
    Abstract: Provided herein is a semiconductor device including: a channel layer; a data storage layer surrounding the channel layer and extending along the channel layer; interlayer insulating layers surrounding the data storage layer and stacked along the channel layer, wherein the interlayer insulating layers are spaced apart from each other, wherein a conductive area is disposed between the interlayer insulating layers; a conductive pattern disposed in the conductive area and surrounding the data storage layer; buffer patterns disposed between the interlayer insulating layers and the data storage layer and surrounding the data storage layer, wherein each of the buffer patterns includes a densified area, wherein the buffer patterns are separated from each other by the conductive area; and a blocking insulating pattern disposed between the conductive pattern and the data storage layer and surrounding the data storage layer.
    Type: Application
    Filed: September 28, 2016
    Publication date: November 9, 2017
    Inventors: In Su PARK, Ki Hong LEE, Hye Jeong CHEON
  • Patent number: 8928247
    Abstract: A light emitting diode (LED) illumination device having a power compensation function is provided. The illumination device includes a light emitting unit including a plurality of LEDs connected in series, a rectifier for rectifying input AC power to provide a rectified voltage to the light emitting device, and a power compensator for detecting a change in the rectified voltage provided to the light emitting device and compensating a current provided to the light emitting device according to the detected change in the rectified voltage.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: January 6, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jeong In Cheon, Se Joon You, Jang Hwan Cho, Do Hyung Lee
  • Patent number: 8643587
    Abstract: In an FSC mode LCD, a controller operates in response to an external adjustment, and a DC/DC converter converts a battery voltage into a driving voltage under control of the controller. A color LED backlight includes first, second and third color LED arrays connected in parallel, which are operated by the driving voltage. An FSC generator generates first, second and third color PWM signals according to an internal sawtooth voltage and a dimming voltage. A 3-channel current source generates first, second and third driving currents under control of the controller, and on/off switches paths of the first, second and third driving currents flowing through the first, second and third color LED arrays according to the first, second and third color PWM signals generated from the FSC generator, thereby adjusting luminance of the first, second and third color LED arrays of the color LED backlight.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Woo Ha, Byoung Own Min, Jeong In Cheon, Yu Jin Jang
  • Patent number: 8581515
    Abstract: The present invention relates to a light emitting diode driver that integrates a light emitting diode control function and a power switching control function at a secondary side insulated from a primary side in a power supply circuit, without using a photo coupler to control power switching at the primary side.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: November 12, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Hoon Han, Jeong In Cheon, Jae Shin Lee
  • Publication number: 20130257298
    Abstract: A light emitting diode (LED) illumination device having a power compensation function is provided. The illumination device includes a light emitting unit including a plurality of LEDs connected in series, a rectifier for rectifying input AC power to provide a rectified voltage to the light emitting device, and a power compensator for detecting a change in the rectified voltage provided to the light emitting device and compensating a current provided to the light emitting device according to the detected change in the rectified voltage.
    Type: Application
    Filed: December 21, 2012
    Publication date: October 3, 2013
    Inventors: JEONG IN CHEON, Se Joon You, Jang Hwan Cho, Do Hyung Lee
  • Patent number: 8519941
    Abstract: An apparatus for driving a backlight unit including a lamp unit including a plurality of lamps includes an error amplifying unit configured to detect an error voltage between a feedback voltage corresponding to a current flowing to the lamp unit and a preset first reference voltage, a soft signal generation unit configured to generate a soft start signal of the lamp unit, a high-frequency signal driving signal generating unit configured to generate a high-frequency driving signal of the of the lamp unit, a high-frequency driving termination determining unit configured to generate a high-frequency driving termination signal when the error voltage is equal in voltage level to the soft start signal, and a high-frequency driving signal blocking unit configured to block the high-frequency driving signal in advance when the high-frequency driving termination signal is inputted.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: August 27, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yu Jin Jang, Jin Soo Lee, Mo Jeong Yang, In Jeong Cheon
  • Patent number: 8427068
    Abstract: There are provided a reference signal generator and a PWM control circuit for LCD backlight. The reference signal generator and the PWM control circuit for LCD backlight may be configured to respectively include: a current control unit that controls generation of a variable current sequentially changing; a current generating unit that generates a variable current changing sequentially; and a reference signal generating unit that controls charging until a charged voltage charged by the variable current generated by the current generating unit reaches a first reference voltage level, starts discharging when the charged voltage reaches the first reference voltage level, controls discharging until the charged voltage reaches a second reference voltage level, and generates a triangular wave reference signal that has a frequency buffering interval in which a frequency sequentially changes when the initial driving completion signal or the protection signal is input.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: April 23, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yu Jin Jang, Jeong In Cheon
  • Patent number: 8421369
    Abstract: The present invention relates to a light emitting diode driver having a protection function that activates hiccup mode for a predetermined period of time when a light emitting diode performs an abnormal operation to thereby protect the light emitting diode. A light emitting diode driver having a protection function according to an aspect of the invention may include: a light emitting unit emitting light; a reference signal generating unit generating a reference signal having pulses with a predetermined period when the light emitting unit performs an abnormal operation; a control unit controlling operating time in hiccup mode according to the reference signal from the reference signal generating unit, the hiccup mode where output is switched on and off at a predetermined period; and a driving unit driving the light emitting unit in the hiccup mode for the operating time determined by the control unit.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: April 16, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jeong In Cheon, Byoung Own Min, Yu Jin Jang, Seung Kon Kong
  • Publication number: 20120146530
    Abstract: The present, invention relates to a light emitting diode driver that integrates a light emitting diode control function and a power switching control function at a secondary side insulated from a primary side in a power supply circuit, without using a photo coupler to control power switching at the primary side.
    Type: Application
    Filed: May 27, 2011
    Publication date: June 14, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Hoon HAN, Jeong In CHEON, Jae Shin LEE
  • Patent number: 8184111
    Abstract: A driver for display provides a driving signal having a frequency synchronized with that of an image signal when the image signal is normal and provides a driving signal having a predetermined frequency when the image signal is abnormal, thereby performing a stable operation. The driver includes a frequency detection unit detecting a frequency difference between a frequency of an inputted image signal and a frequency of a frequency-divided driving signal, a driving signal generation unit generating the driving signal having a frequency synchronized with the frequency of the image signal according to a detection result of the frequency detection unit, and a control unit stopping a frequency detection operation of the frequency detection unit when the detection result of the frequency detection unit shows an abnormal operation.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: May 22, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seung Kon Kong, Byoung Own Min, Jung Chul Gong, Jeong In Cheon, Yu Jin Jang
  • Patent number: 8022638
    Abstract: Disclosed is a liquid crystal display (LCD) backlight inverter. The LCD backlight inverter includes a lamp open detection unit outputting a first open detection voltage for a preset time period when it is determined that a predetermined lamp is open, based on a current voltage corresponding to the current of the predetermined lamp of a plurality of lamps, a first open determination unit outputting an open detection signal when the first open detection voltage is input, a second open determination unit outputting a protection signal when it is determined that all of the plurality of lamps are open based on detection voltages of the plurality of lamps, a temporary protection determination unit outputting a frequency change signal when both the open detection signal and the protection signal are input, and an operating frequency control unit changing an operating frequency to a preset protective frequency according to the frequency change.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: September 20, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yu Jin Jang, Byoung Own Min, Jung Chul Gong, Sang Cheol Shin, Jeong In Cheon
  • Patent number: 8018177
    Abstract: A dimming buck type light emitting diode (LED) driving apparatus includes a main switch controlling a driving current flowing into an LED; a current detector detecting a driving current flowing into the LED; a power level determination unit determining a level of the driving power; a dimming capacitor for dimming control; a dimming control unit controlling charging and discharging of the dimming capacitor according to a power level determination signal and an enable signal; a reset circuit unit generating a reset signal according to a detection voltage from the current detector and a voltage of the dimming capacitor; a pulse generation unit generating a pulse signal; and a latch set by the pulse signal of the pulse generation unit and reset by the reset signal of the reset circuit unit to generate a switching signal, and turning on and off the main switch using the switching signal.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: September 13, 2011
    Assignees: Samsung Electro-Mechanics Co., Ltd., Samsung LED Co., Ltd.
    Inventors: Bon Ahm Goo, Byoung Own Min, Young Jin Lee, Chang Woo Ha, Jeong In Cheon
  • Publication number: 20110141085
    Abstract: Provided is an initial driving circuit of a backlight unit having a lamp unit provided with a plurality of lamps. In the initial driving circuit, an error amplifying unit 100 detects an error voltage VERO between a feedback voltage VFB corresponding to a current flowing to the lamp unit and a preset first reference voltage Vref11. A soft signal generation unit 200 generates a soft start signal VSS of the lamp unit. A high-frequency signal driving signal generating unit 300 generates a high-frequency driving signal VHF of the of the lamp unit. A high-frequency driving termination determining unit 400 generates a high-frequency driving termination signal SHE when the error voltage VERO is equal in voltage level to the soft start signal VSS. A high-frequency driving signal blocking unit 500 blocks the high-frequency driving signal VHF in advance when the high-frequency driving termination signal SHE is inputted.
    Type: Application
    Filed: April 30, 2010
    Publication date: June 16, 2011
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yu Jin JANG, Jin Soo LEE, Jeong Mo YANG, Jeong In CHEON
  • Publication number: 20110062884
    Abstract: There are provided a reference signal generator and a PWM control circuit for LCD backlight. The reference signal generator and the PWM control circuit for LCD backlight may be configured to respectively include: a current control unit that controls generation of a variable current sequentially changing; a current generating unit that generates a variable current changing sequentially; and a reference signal generating unit that controls charging until a charged voltage charged by the variable current generated by the current generating unit reaches a first reference voltage level, starts discharging when the charged voltage reaches the first reference voltage level, controls discharging until the charged voltage reaches a second reference voltage level, and generates a triangular wave reference signal that has a frequency buffering interval in which a frequency sequentially changes when the initial driving completion signal or the protection signal is input.
    Type: Application
    Filed: December 23, 2009
    Publication date: March 17, 2011
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yu Jin JANG, Jeong In Cheon