Patents by Inventor Sung Hoon Chung
Sung Hoon Chung 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).
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Patent number: 7422168Abstract: An ice dispenser apparatus includes an ice bin to receive ice cubes; a shutter mechanism located near a bottom of the ice bin to selectively dispense ice cubes or crushed ice; an ice crusher located above the shutter mechanism to crush ice cubes into crushed ice; and an ice discharge controller located adjacent to the ice crusher and having a structure to selectively provide a certain amount of ice cubes onto the shutter mechanism and to effectively minimize an undesirable accumulation of ice near the ice crusher that may cause interference during operation.Type: GrantFiled: February 23, 2006Date of Patent: September 9, 2008Assignee: LG Electronics Inc.Inventors: Eui-Yeop Jung, Sung-Hoon Chung, Nam-Gi Lee, Wook-Yong Lee
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Publication number: 20080209938Abstract: Refrigerator with an icemaker including a cabinet having a mullion wall for compartmentalization of a freezing chamber and a refrigerating chamber, a case provided to a door on the refrigerating chamber, having a cavity therein, a first duct for supplying cold air from a neighborhood of an evaporator in the freezing chamber to the cavity, the icemaker in the cavity for producing ice, an ice container in the cavity for storing the ice, and a dispenser in the door in communication with the cavity, thereby having ice supplied to a user at an outside of the refrigerator through a dispenser provided to the door.Type: ApplicationFiled: April 16, 2008Publication date: September 4, 2008Applicant: LG ELECTRONICS INC.Inventors: Myung Ryul LEE, Seong Jae KIM, Chang Ho SEO, Sung Hoon CHUNG
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Patent number: 7392665Abstract: Refrigerator with an icemaker including a cabinet having a mullion wall for compartmentalization of a freezing chamber and a refrigerating chamber, a case provided to a door on the refrigerating chamber, having a cavity therein, a first duct for supplying cold air from a neighborhood of an evaporator in the freezing chamber to the cavity, the icemaker in the cavity for producing ice, an ice container in the cavity for storing the ice, and a dispenser in the door in communication with the cavity, thereby having ice supplied to a user at an outside of the refrigerator through a dispenser provided to the door.Type: GrantFiled: April 24, 2007Date of Patent: July 1, 2008Assignee: LG Electronics Inc.Inventors: Myung Ryul Lee, Seong Jae Kim, Chang Ho Seo, Sung Hoon Chung
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Patent number: 7383689Abstract: Disclosed is a dispenser of an icemaker in a refrigerator for maximizing an inner space when a total size is the same, and for minimizing the total size when the inner space is the same. The dispenser of the icemaker in the refrigerator includes an ice chute being a passage through which the ice produced from the icemaker is discharged; and a container supporter provided at an outer case and disposed to be perpendicular to an outer surface of the outer case when the ice is discharged outside through the ice chute, the contain supporter allowing a container seated thereon to receive the ice discharged from the ice chute. The ice chute is closed and not exposed outside when the ice-discharging process is finished, and the container supporter is not exposed to the outer surface of the outer case.Type: GrantFiled: August 8, 2007Date of Patent: June 10, 2008Assignee: LG Electronics Inc.Inventors: Wook Yong Lee, Eui Yeop Chung, Seung Hwan Oh, Myung Ryul Lee, Chang Ho Seo, Seong Jae Kim, Sung Hoon Chung
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Publication number: 20080081432Abstract: A semiconductor device includes a plurality of gate trenches, each of which has first inner walls, which face each other in a first direction which is perpendicular to a second direction in which active regions extend, and second inner walls, which face each other in the second direction in which the active regions extends. An isolation layer contacts a gate insulating layer throughout the entire length of the first inner wails of the gate trenches including from entrance portions of the gate trenches to bottom portions of the gate trenches, and a plurality of channel regions are disposed adjacent to the gate insulating layers in the semiconductor substrate along the second inner walls and the bottom portions of the gate trenches.Type: ApplicationFiled: January 19, 2007Publication date: April 3, 2008Inventors: Yong-Jin KIM, Kyeong-Koo Chi, Chang-Jin Kang, Hyoung-Sub Kim, Mybong-Cheol Kim, Tae-Rin Chung, Sung-Hoon Chung, Ji-Young Kim
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Patent number: 7319255Abstract: A semiconductor device including a transistor and a method of forming thereof are provided. The semiconductor device comprises a metal gate electrode. A lower portion of the metal gate electrode fills a channel trench formed at a predetermined region of a substrate, and an upper portion of the metal gate electrode protrudes on the substrate. A gate insulating layer is interposed between inner sidewalls and a bottom surface of the channel trench, and the metal gate electrode. Source/drain regions are formed at the substrate in both sides of the metal gate electrode.Type: GrantFiled: May 26, 2005Date of Patent: January 15, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Wook Hwang, Chang-Jin Kang, Kyeong-Koo Chi, Sung-Hoon Chung
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Patent number: 7316121Abstract: Disclosed is a dispenser of an icemaker in a refrigerator for maximizing an inner space when a total size is the same, and for minimizing the total size when the inner space is the same. The dispenser of the icemaker in the refrigerator includes an ice chute being a passage through which the ice produced from the icemaker is discharged; and a container supporter provided at an outer case and disposed to be perpendicular to an outer surface of the outer case when the ice is discharged outside through the ice chute, the contain supporter allowing a container seated thereon to receive the ice discharged from the ice chute. The ice chute is closed and not exposed outside when the ice-discharging process is finished, and the container supporter is not exposed to the outer surface of the outer case.Type: GrantFiled: April 28, 2004Date of Patent: January 8, 2008Assignee: LG Electronics Inc.Inventors: Wook Yong Lee, Eui Yeop Chung, Seung Hwan Oh, Myung Ryul Lee, Chang Ho Seo, Seong Jae Kim, Sung Hoon Chung
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Patent number: 7272949Abstract: A refrigerator is provided with an airflow passage for an ice making compartment of the refrigerator. In the refrigerator, a main body has an opened side, and a door selectively closes the opened side of the main body. An ice making compartment is formed in the door, the ice making compartment being insulated from the outside and being kept at a low temperature. A duct is formed in the main body for exchanging cooling air with the ice making compartment, and a cooling air passage is formed at an outer surface of the ice making compartment to connect the duct with the ice making compartment. A switching unit closes the cooling air passage when the door is opened, and opens the cooling air passage when the door is closed. With this arrangement, the cooling air can be sufficiently supplied to the ice making compartment without the penetration of foreign substance.Type: GrantFiled: May 16, 2005Date of Patent: September 25, 2007Assignee: LG Electronics Inc.Inventors: Myung Ryul Lee, Sung Hoon Chung, Seong Jae Kim, Chang Ho Seo
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Patent number: 7247540Abstract: Methods of forming field effect transistors include the steps of forming a first electrically insulating layer on a semiconductor substrate having a plurality of trench isolation regions therein that define an active region therebetween. The first electrically insulating layer is then patterned to define a first plurality of openings therein that extend opposite the active region. A trench mask having a second plurality of openings therein is then formed by filling the first plurality of openings with electrically insulating plugs and then etching the patterned first electrically insulating layer using the electrically insulating plugs as an etching mask. A plurality of trenches are then formed in the active region by etching the semiconductor substrate using the trench mask as an etching mask. A plurality of insulated gate electrodes are then formed that extend into the plurality of trenches.Type: GrantFiled: April 19, 2005Date of Patent: July 24, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-hoon Chung, Byeong-yun Nam, Kyeong-koo Chi
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Patent number: 7240510Abstract: There is provided a refrigerator. In the refrigerator, a blower fan is installed in a refrigerant body to blow a cold air, a barrier partitions an inner space of the refrigerator body into a freezing chamber and a chilling chamber, an ice machine is installed in the chilling chamber, a freezing air duct is connected with the ice machine for passing the cold air blown by the blower fan, a chilling air duct is connected with the chilling chamber for passing the cold air blown by the blower fan, and a cold air return duct is provided to pass the cold air discharged from the ice machine toward an evaporator where the cold air is cooled by exchanging heat with a refrigerant.Type: GrantFiled: January 27, 2005Date of Patent: July 10, 2007Assignee: LG Electronics Inc.Inventors: Myung Ryul Lee, Sung Hoon Chung, Seong Jae Kim, Chang Ho Seo
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Patent number: 7240511Abstract: A cold air path structure of a refrigerator is provided. The cold air path structure defines a passage from an ice machine installed in a freezing chamber to a chilling chamber in order to discharge an cold air used to freeze water of the ice machine to the chilling chamber, such that new cold air can be smoothly supplied to the ice machine, thereby increasing the efficiency of the ice machine. Further, an additional air passage is not required to supply the cold air to the chilling chamber, thereby simplifying the structure of the refrigerator and decreasing power consumption.Type: GrantFiled: January 28, 2005Date of Patent: July 10, 2007Assignee: LG Electronics Inc.Inventors: Myung Ryul Lee, Sung Hoon Chung, Seong Jae Kim, Chang Ho Seo
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Patent number: 7237393Abstract: An ice-full state sensing device for an ice making apparatus is provided. A panel disposed at a side of an ice maker to support components. An ejection unit includes an ejector supported by the panel to eject ice made by the ice maker. A driving unit rotates the ejection unit clockwise or counterclockwise within a predetermined angle range. A link unit operates in relation to the ejection unit. An ice-full state sensing lever is connected to an end portion of the link unit to sense an ice-full state of an ice bank during a vertical movement thereof by the link unit. Accordingly, the device can perform an ice-full state sensing operation in a narrow space, and the apparatus can be installed in a narrow space.Type: GrantFiled: May 17, 2005Date of Patent: July 3, 2007Assignee: LG Electronics Inc.Inventors: Sung Hoon Chung, Myung Ryul Lee
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Patent number: 7228703Abstract: The present invention relates to a cold air guide structure of an ice-making chamber of a cold chamber door. The structure including: the cold chamber door; an insulation case disposed inside of the cold chamber door, thermally insulated and having an ice-making chamber therein; an ice-making unit installed in the ice-making chamber of the insulation case, for icing a supplied water by an ice-making cold air and housing pieces of ice; an insulation cover for opening and closing the ice-making chamber of the insulation case; a cold air inlet port for sucking the ice-making cold air into the ice-making chamber; a cold air outlet port for exhausting the ice-making cold air from the ice-making chamber; and an ice-making cold air guide unit for guiding the ice-making cold air to a predetermined air passage to suck or exhaust the ice-making cold air into or from the ice-making chamber.Type: GrantFiled: March 4, 2005Date of Patent: June 12, 2007Assignee: LG Electronics Inc.Inventors: Seong Jae Kim, Chang Ho Seo, Myung Ryul Lee, Sung Hoon Chung
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Patent number: 7222498Abstract: Refrigerator with an icemaker including a cabinet having a mullion wall for compartmentalization of a freezing chamber and a refrigerating chamber, a case provided to a door on the refrigerating chamber, having a cavity therein, a first duct for supplying cold air from a neighborhood of an evaporator in the freezing chamber to the cavity, the icemaker in the cavity for producing ice, an ice container in the cavity for storing the ice, and a dispenser in the door in communication with the cavity, thereby having ice supplied to a user at an outside of the refrigerator through a dispenser provided to the door.Type: GrantFiled: April 13, 2006Date of Patent: May 29, 2007Assignee: LG Electronics Inc.Inventors: Myung Ryul Lee, Seong Jae Kim, Chang Ho Seo, Sung Hoon Chung
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Patent number: 7183600Abstract: A semiconductor device includes a plurality of gate trenches, each of which has first inner walls, which face each other in a first direction which is perpendicular to a second direction in which active regions extend, and second inner walls, which face each other in the second direction in which the active regions extends. An isolation layer contacts a gate insulating layer throughout the entire length of the first inner walls of the gate trenches including from entrance portions of the gate trenches to bottom portions of the gate trenches, and a plurality of channel regions are disposed adjacent to the gate insulating layers in the semiconductor substrate along the second inner walls and the bottom portions of the gate trenches.Type: GrantFiled: June 2, 2004Date of Patent: February 27, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-Jin Kim, Kyeong-Koo Chi, Chang-Jin Kang, Hyoung-Sub Kim, Myeong-Cheol Kim, Tae-Rin Chung, Sung-Hoon Chung, Ji-Young Kim
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Publication number: 20060202071Abstract: An ice dispenser apparatus, comprising: an ice bin to receive ice cubes; a shutter mechanism located near a bottom of the ice bin to selectively dispense ice cubes or crushed ice; an ice crusher located above the shutter mechanism to crush ice cubes into crushed ice; and an ice discharge controller located adjacent to the ice crusher and having a structure to selectively provide a certain amount of ice cubes onto the shutter mechanism and to effectively minimize an undesirable accumulation of ice near the ice crusher that may cause interference during operation.Type: ApplicationFiled: February 23, 2006Publication date: September 14, 2006Applicant: LG Electronics Inc.Inventors: Eui-Yeop Jung, Sung-Hoon Chung, Nam-Gi Lee, Wook-Yong Lee
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Patent number: 7076967Abstract: Refrigerator with an icemaker including a cabinet having a mullion wall for compartmentalization of a freezing chamber and a refrigerating chamber, a case provided to a door on the refrigerating chamber, having a cavity therein, a first duct for supplying cold air from a neighborhood of an evaporator in the freezing chamber to the cavity, the icemaker in the cavity for producing ice, an ice container in the cavity for storing the ice, and a dispenser in the door in communication with the cavity, thereby having ice supplied to a user at an outside of the refrigerator through a dispenser provided to the door.Type: GrantFiled: February 3, 2004Date of Patent: July 18, 2006Assignee: LG Electronics Inc.Inventors: Myung Ryul Lee, Seong Jae Kim, Chang Ho Seo, Sung Hoon Chung
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Publication number: 20060079076Abstract: Methods of forming field effect transistors include forming a first electrically insulating layer comprising mostly carbon on a surface of a semiconductor substrate and patterning the first electrically insulating layer to define an opening therein. A trench is formed in the substrate by etching the surface of the substrate using the patterned first electrically insulating layer as an etching mask. The trench is filled with a gate electrode. The first electrically insulating layer is patterned in an ambient containing oxygen. This oxygen-containing ambient supports further oxidation of trench-based isolation regions within the substrate when they are exposed by openings within the first electrically insulating layer.Type: ApplicationFiled: October 11, 2005Publication date: April 13, 2006Inventors: Dong-Chan Kim, Chang-Jin Kang, Kyeong-Koo Chi, Sung-Hoon Chung
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Publication number: 20060022564Abstract: A refrigerator includes a main body having at least a lower cooling chamber disposed at a lower portion of the main body, a base frame disposed to be movable in inward/outward directions at the lower cooling chamber and having a drawer door at a front side thereof, a lift frame disposed at an upper surface of the base frame, on which a basket is placed, a gas spring mounted vertically at an upper surface of the base frame and connected with the lift frame for lifting the lift frame, and lift rails at a rear side of the drawer door and guiding the lift frame to be moved up and down.Type: ApplicationFiled: April 8, 2005Publication date: February 2, 2006Applicant: LG Electronics Inc.Inventors: Seung-Hwan Oh, Kyung-Han Jeong, Sung-Hoon Chung, Myung-Ryul Lee
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Publication number: 20050275042Abstract: A semiconductor device including a transistor and a method of forming thereof are provided. The semiconductor device comprises a metal gate electrode. A lower portion of the metal gate electrode fills a channel trench formed at a predetermined region of a substrate, and an upper portion of the metal gate electrode protrudes on the substrate. A gate insulating layer is interposed between inner sidewalls and a bottom surface of the channel trench, and the metal gate electrode. Source/drain regions are formed at the substrate in both sides of the metal gate electrode.Type: ApplicationFiled: May 26, 2005Publication date: December 15, 2005Inventors: Sung-Wook Hwang, Chang-Jin Kang, Kyeong-Koo Chi, Sung-Hoon Chung