Patents by Inventor Jae-Youl Lee

Jae-Youl 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).

  • Patent number: 8122334
    Abstract: A parity error detecting circuit includes a first operation unit, a second operation unit, and a shift register. The first operation unit receives a serial data signal and a first signal, performs a logic operation on the two received signals, and outputs the result of the logic operation as the first signal in response to a first clock signal. The shift register shifts the first signal in response to the first clock signal and outputs a second signal. The second operation unit receives the first signal and the second signal, performs a logic operation on the two received signals, and outputs the result of the logic operation in response to a second clock signal.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: February 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Hun Lee, Jae-Youl Lee, Jong-Seon Kim, Kyung-Suc Nah
  • Patent number: 8104304
    Abstract: The present invention relates to an ice-making device for a refrigerator. The ice-making device of the present invention comprises a water tank detachably installed to a rear surface of a refrigerator door for selectively opening or closing a storage space, first and second ice trays rotatably installed to the rear surface of the door to make ice using water supplied from the water tank, and an ice bank installed to the rear surface of the door to store therein the ice made in the first and second ice trays. According to the present invention, ice can be more simply and easily taken out while minimizing the leakage of cold air circulating in the storage space. Further, ice can be stored in a more sanitary way while minimizing the contamination of the storage space in the process of making ice.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: January 31, 2012
    Assignee: LG Electronics Inc.
    Inventors: Byeong-Gyu Kang, Young-Woo Kim, Jae-Youl Lee, Hwal-Kyun Lee, Jong-Seok Yoon, Sang-Ho Park
  • Publication number: 20110298510
    Abstract: A delay-locked loop circuit includes a voltage-controlled delay line configured to generate a plurality of delayed clock signals based on an input clock signal, a lock signal and a voltage control signal, the plurality of delayed clock signals being sequentially delayed from one another to produce an earliest delayed clock signal to a latest delayed clock signal, the voltage-controlled delay line including an anti-jitter delay circuit and a plurality of delay circuits, the anti-jitter delay circuit configured to output the earliest delayed clock signal, and the plurality of delay circuits coupled in series and configured to output a remainder of the plurality of delayed clock signals, a phase frequency detection circuit configured to generate an up signal and a down signal based on the earliest delayed clock signal and the latest delayed clock signal, a filter configured to generate the voltage control signal in response to the up signal and the down signal, and a lock detection circuit configured to generate
    Type: Application
    Filed: June 8, 2011
    Publication date: December 8, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-pil Lim, Jae-youl Lee
  • Publication number: 20110292024
    Abstract: According to an example embodiment, a display driving integrated circuit (IC) includes a timing controller and a plurality of source drivers. The timing controller is configured to output a plurality of signals to the plurality of source drivers, and at least one of the timing controller and the plurality of source drivers operates in a power down mode in at least one of an initializing period, a data transmission period, and a vertical blank period. According to an example embodiment, a mode conversion method used in a display driving IC includes switching between a normal mode to a power down mode in response to a standby control signal. The power down mode is implemented on at least one of a timing controller and a plurality of source drivers included in the display driving IC in at least one of an initializing period, a data transmission period, and a vertical blank period.
    Type: Application
    Filed: May 27, 2011
    Publication date: December 1, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-hoon Baek, Jae-youl Lee, Han-su Pae, Young-min Choi
  • Patent number: 8047623
    Abstract: A refrigerator includes a main body having a storage chamber; a shelf movably provided to the inside of the storage chamber; a guide unit guiding a movement of the shelf; and a transfer means provided at least one side of the shelf and transferring driving power for moving the shelf. Through such a configuration, it is possible to adjust height of the shelf, without drawing out the shelf to the outside of the storage chamber.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: November 1, 2011
    Assignee: LG Electronics Inc.
    Inventors: Byeong Gyu Kang, Jae Youl Lee, Gi Dong Kwon, Soon Woo Choi
  • Publication number: 20110194590
    Abstract: A transceiver comprises a transmitter that converts a plurality of data components into serial data in response to a first clock signal and transmits the serial data, and a receiver that receives the serial data and converts the serial data into the plurality of data components in response to a second clock signal generated from the serial data. The transmitter adds at least one dummy bit to the serial data at predetermined intervals. The at least one dummy bit includes information regarding a data type of the plurality of data components.
    Type: Application
    Filed: February 7, 2011
    Publication date: August 11, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woon-taek OH, Jae-youl LEE, Jin-ho KIM, Tae-jin KIM, Ju-hwan YI, Jong-shin SHIN
  • Publication number: 20110185759
    Abstract: A water funnel and an ice maker for a refrigerator, the water funnel including a water collecting portion having a discharge hole through which water is collected and discharged; and a drain tube having a path therein, the path downwardly extending to be communicated with the discharge hole and having a uniform cross section or a cross section increasing toward a lower side thereof, whereby a blockage of the path is prevented and thusly water is smoothly supplied to the tray.
    Type: Application
    Filed: December 31, 2008
    Publication date: August 4, 2011
    Inventors: Byeong-Gyu Kang, Jae-Youl Lee, Jeong-Youl Lee
  • Patent number: 7934389
    Abstract: An ice tray assembly for a refrigerator is provided, which includes a case; at least one ice tray disposed in the case; a water box provided at a lateral surface of the ice trays to supply water to the ice trays; and at least one discharge hole provided at the water box corresponding to the number of the ice trays. According to the present invention, the ice tray assembly for the refrigerator is capable of supplying water to the plurality of ice trays at once, of easily supplying water to the ice trays disposed at an upper layer portion in general, as the water box is disposed at the lateral surface of the ice trays, and of uniformly supplying water to each of the plurality of the ice trays.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: May 3, 2011
    Assignee: LG Electronics Inc.
    Inventors: Jong-Seok Yoon, Byeong-Gyu Kang, Jae-Youl Lee
  • Publication number: 20110037758
    Abstract: A clock and data recovery (CDR) circuit of a source driver includes a clock recovery unit and a delay locked loop unit. The clock recovery unit receives data bits and a clock code periodically inserted into the data bits through a clock embedded data channel in a display data mode, and is configured to generate a clock signal by detecting an edge of the clock code. The delay locked loop unit is configured to generate a multi-phase clock signal based on the clock signal in the display data mode.
    Type: Application
    Filed: July 8, 2010
    Publication date: February 17, 2011
    Inventors: Jung-Pil LIM, Jae-Youl Lee, Han-Su Pae, Dong-Hoon Baek
  • Publication number: 20110023530
    Abstract: Disclosed is a refrigerator having a drawer cover, in which a drawer cover is disposed above a drawer accommodated inside a cooling chamber so as to be slidable in front and rear directions, and a pressurizing unit is disposed for pressurizing the drawer and the drawer cover so as to closely contact each other when the drawer is accommodated, thereby preventing moisture evaporation from food stored in the drawer, thus to keep food inside the drawer in a fresh condition for a longer period of time.
    Type: Application
    Filed: February 5, 2009
    Publication date: February 3, 2011
    Inventors: Jong-Wook An, Byeong-Gyu Kang, Jae-Youl Lee
  • Publication number: 20110016905
    Abstract: An ice-making assembly for a refrigerator is provided. The ice-making assembly includes a tray for making ice, a handling member for rotating the tray, a first rotation member rotatable with the handling member, a second rotation member rotating the tray, and a transmission member for transmitting rotation of the first rotation member to the second rotation member. An end of the transmission member is fixed to first rotation member, and the other end of the transmission member is fixed to the second rotation member. A force is transmitted from the handling member (a lever) to the tray through the transmission member, which has a strip shape and is coupled to or wound around the rotation member. Therefore, freezing between the transmission member and the rotation member can be minimized, and the lever can be smoothly handled. Thus, a force applied to the lever can be smoothly transmitted to the tray.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 27, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Byeong-Gyu Kang, Jae-Youl Lee, Sang-Ho Park
  • Publication number: 20110005262
    Abstract: A refrigerator comprises: an opening disposed at one side of a door; an ice bank disposed on a rear surface of the door, and configured to be drawn out through the opening, for storing ice pieces; a guide unit for guiding the ice bank to be drawn out; and a volume control unit for changing a volume of the ice bank step by step. A volume of the ice bank is varied according to users necessity. This solves a users inconvenience to make ice pieces a plurality of times, for example, in summer when a large amount of ice pieces are required.
    Type: Application
    Filed: December 18, 2008
    Publication date: January 13, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Byeong-Gyu Kang, Jae-Youl Lee, Sang-Ho Park
  • Patent number: 7841203
    Abstract: An ice tray assembly and refrigerator having the same are disclosed, by which pieces of ice stored in a plurality of ice trays can be simultaneously discharged by a single motion without interfering with each other. The present invention includes a plurality of ice trays vertically provided within a case, a plurality of the ice trays connected to one another by an interoperating means to be simultaneously rotated and a driving means for rotating a plurality of the ice trays by being connected thereto.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: November 30, 2010
    Assignee: LG Electronics Inc.
    Inventors: Jong Seok Yoon, Byeong Gyu Kang, Jae Youl Lee
  • Publication number: 20100257888
    Abstract: Disclosed is an ice making apparatus for a refrigerator, the apparatus comprising a frame having an accommodating space therein, and at least an ice tray detachably installed in the frame and configured to provide a space for containing water to make ice, whereby the ice making apparatus can be easily cleaned up and ice can be easily handled.
    Type: Application
    Filed: December 2, 2008
    Publication date: October 14, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Byeong-Gyu Kang, Jae-Youl Lee, Sang-Ho Park
  • Patent number: 7810344
    Abstract: Disclosed are a water tank and a refrigerator having the same. The water tank includes a tank main body provided with a water storage space formed therein and a discharge hole; a tank cover connected to the tank main body for opening and closing the water storage space; a valve movably installed in the tank main body for opening and closing the discharge hole; and a valve driving unit moving the valve using magnetic force so as to cause the valve to open and close the discharge hole. The water tank is opened and closed by the magnetic force of magnets and the restoring force of elastic members, and thus it is possible to prevent water stored in the water tank from leaking out in a process of attaching or detaching the water tank to or from the rear surface of a door or a refrigerator.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: October 12, 2010
    Assignee: LG Electronics Inc.
    Inventors: Jong Seok Yoon, Byeong Gyu Kang, Jae Youl Lee
  • Publication number: 20100236273
    Abstract: The present invention relates to an ice-making device for a refrigerator. The ice-making device of the present invention comprises a water tank detachably installed to a rear surface of a refrigerator door for selectively opening or closing a storage space, first and second ice trays rotatably installed to the rear surface of the door to make ice using water supplied from the water tank, and an ice bank installed to the rear surface of the door to store therein the ice made in the first and second ice trays. According to the present invention, ice can be more simply and easily taken out while minimizing the leakage of cold air circulating in the storage space. Further, ice can be stored in a more sanitary way while minimizing the contamination of the storage space in the process of making ice.
    Type: Application
    Filed: June 13, 2007
    Publication date: September 23, 2010
    Applicant: LG ELECTRONICS INC.
    Inventors: Byeong-Gyu Kang, Young-Woo Kim, Jae-Youl Lee, Hwal-Kyun Lee, Jong-Seok Yoon, Sang-Ho Park
  • Publication number: 20100231111
    Abstract: A refrigerator is provided. The refrigerator includes a main body defining a storage chamber, a door opening and closing the storage chamber, and a pivot guide unit connecting the door to the main body and varying a distance between a pivot shaft of the door and the main body in response to a pivot motion of the door.
    Type: Application
    Filed: March 23, 2010
    Publication date: September 16, 2010
    Applicant: LG Electronics Inc.
    Inventors: Byeong-Gyu Kang, Jae-Youl Lee, Sang-Ho Park
  • Publication number: 20100147011
    Abstract: The present invention relates to an ice-making assembly for a refrigerator and a refrigerator including the same. According to the present invention, a freezing chamber door is provided with an ice-making assembly, and ice made by the ice-making assembly can be immediately drawn out to the outside by opening an exclusively used home-bar door. In addition, an ice-making case is coupled by a coupling means formed integrally with the freezing chamber door and the ice-making case without a coupling tool or operation. Moreover, according to the present invention, if a water bucket is installed to the ice-making case, a water supply hole of the lower end of the water bucket is opened by an opening and closing means, so that water in water bucket is automatically supplied to an ice tray. In addition, an ice-separating lever having a ‘?’ shape is provided to simultaneously rotating a plurality of ice trays.
    Type: Application
    Filed: August 16, 2007
    Publication date: June 17, 2010
    Applicant: LG Electronics Inc.
    Inventors: Byeong-Gyu Kang, Young-Woo Kim, Jae-Youl Lee, Hwal-Kyun Lee, Jong-Seok Yoon, Sang-Ho Park
  • Publication number: 20100134467
    Abstract: A system for transmitting and receiving a signal includes a transmitter that switches a first reference voltage and a second reference voltage and generates first and second voltage signals, and a receiver the receives the first and second voltage signals. The transmitter includes a reference voltage generator that generates the first reference voltage and the second reference voltage, and a switch block that switches the first reference voltage and the second reference voltage and outputs the first and second voltage signals. The receiver includes a resistor having two terminals to which the first and second voltage signals are applied.
    Type: Application
    Filed: October 22, 2009
    Publication date: June 3, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jung-pil Lim, Dong-hoon Baek, Ji-hoon Kim, Jae-youl Lee
  • Publication number: 20100131688
    Abstract: An interface method for a data transmitting and receiving system including a transmitter and a receiver includes; resetting the receiver in response to a data stream communicated from the transmitter or upon detecting power-up of the transmitter or receiver, and operating the receiver in response to a current data stream received from the transmitter, wherein the operating of the receiver comprises at least one of; (a) updating data stored in the receiver according to control data contained in the current data stream, and (b) receiving payload data contained in the current data stream.
    Type: Application
    Filed: November 9, 2009
    Publication date: May 27, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-hoon BAEK, Ji-hoon KIM, Jung-pil LIM, Jae-youl LEE