Patents by Inventor Min Joo Lee
Min Joo 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).
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Publication number: 20130215094Abstract: A display device includes a display panel that includes a first pixel and a second pixel, the first pixel being associated with a positive pixel voltage relative to a data voltage and being associated with a first leakage current, the second pixel being associated with a negative pixel voltage relative to the data voltage and being associated with a second leakage current. The display device further includes a gate driver for providing a first gate-off voltage having a first value to at least one of the first pixel and the second pixel, the first value being in a range determined based on an equality-enabling value, wherein a value of the first leakage current is equal to a value of the second leakage current if the first gate-off voltage having the equality-enabling value is provided to the at least one of the first pixel and the second pixel.Type: ApplicationFiled: August 7, 2012Publication date: August 22, 2013Applicant: SAMSUNG DISPLAY GO., LTD.Inventors: Yong-Jun CHOI, Jae-Suk CHOI, Seung Hwan MOON, Po-Yun PARK, Min Joo LEE, Jung Hwan CHO
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Publication number: 20130135330Abstract: A display device includes a display panel having gate lines and data lines, a signal controller driving the display panel, a graphic processing unit transmitting input image data to the signal controller, a gate driver driving the gate lines, and a data driver driving the data lines. The display panel is driven at a first frequency when displaying a moving image and driven at a lower frequency when displaying a still image. The signal controller includes a frame memory storing the input image data, a calculator calculating a representative value of image data stored in the frame memory, a line memory storing the representative value, and a kick-back corrector generating auxiliary image data by correcting the representative value according to a kick-back voltage. The data driver applies an auxiliary voltage corresponding to the auxiliary image data to the data lines in a vertical blank period when displaying the still image.Type: ApplicationFiled: May 30, 2012Publication date: May 30, 2013Inventors: Jae-Suk CHOI, Yong-Jun CHOI, Po-Yun PARK, Yun-Jae KIM, Min Joo LEE, Jung Hwan CHO
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Publication number: 20130113811Abstract: A display device includes a display panel for displaying a still image and for displaying a motion picture. The display panel includes a gate line, a data line, a storage electrode line, a first switching element connected to the gate line and the date line, a storage connected to the switching element and the storage electrode line. The display device further includes a signal controller for providing controlling signals to drive the display panel. The display panel is driven at a first frequency when the motion picture is displayed. The display panel is driven at a second frequency lower than the first frequency when the still image is displayed. When the display panel is driven at the second frequency, a common voltage inputted to the storage electrode line changes.Type: ApplicationFiled: March 16, 2012Publication date: May 9, 2013Inventors: Yong-Jun CHOI, Jae-Suk Choi, Po-Yun Park, Jung Hwan Cho, Min Joo Lee
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Publication number: 20130106876Abstract: The present invention relates to a display device capable of reducing power consumption and preventing flicker, as well as a driving method thereof. An exemplary display device includes: a display panel configured for display of a still image and a motion picture; a signal controller programmed to transmit control signals for driving the display panel; and a graphic processing unit transmitting input image data to the signal controller. The signal controller includes a frame memory storing the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and alternatingly driven at the first frequency and a second frequency when the still image is displayed, the second frequency being lower than the first frequency.Type: ApplicationFiled: March 20, 2012Publication date: May 2, 2013Inventors: Min Joo LEE, Po-Yun Park, Sang Su Han, Youn Jin Jung, Yong-Jun Choi, Jae-Suk Choi
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Publication number: 20130076760Abstract: A display device includes: a display panel displaying a still image and a motion picture; a display panel which displays a still image and a motion picture; a signal controller which controls signals to drive the display panel; and a graphics processing unit which transmits input image data to the signal controller, where the signal controller includes a frame memory which stores compressed image data generated by compressing the input image data, and a mixer which mixes compression recovered image data generated by recovering the compressed image data and the input image data to generate mixed image data.Type: ApplicationFiled: July 10, 2012Publication date: March 28, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Su HAN, Min Joo LEE, Po-Yun PARK, Youn Jin JUNG, Jung Hwan CHO
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Publication number: 20130038621Abstract: The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed.Type: ApplicationFiled: August 7, 2012Publication date: February 14, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Yong-Jun CHOI, Jae-Won JEONG, Jae-Suk CHOI, Seung-Ho BAEK, Joo Seok YEOM, Young-Su HAN, Myeong-Su KIM, Yun-Jae KIM, Jin-Soo KIM, Seung Hwan MOON, Po-Yun PARK, Jae Wan PARK, Kwan-Young OH, Min Joo LEE, Jung Hwan CHO
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Publication number: 20130027379Abstract: A display device including a display panel, a gate driver, a data driver and a signal controller. The display panel includes gate lines and data lines, the gate driver is connected to the gate lines, the data driver is connected to the data lines and the signal controller controls the display panel, the gate driver, and the data driver. The signal controller includes a timing controller and a low voltage differential signaling (LVDS) receiving unit. The timing controller includes a frame memory. The display device further includes an analog-to-digital (AD) board including an LVDS transmission unit, wherein the LVDS transmission unit transmits a signal identifying a stopped image or a moving image to the LVDS receiving unit, and in response to the signal identifying the stopped image, the signal controller maintains the display of the same image on the display panel by using the frame memory.Type: ApplicationFiled: January 5, 2012Publication date: January 31, 2013Inventors: Min Joo Lee, Po-Yun Park, Jung Hwan Cho
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Patent number: 7175396Abstract: A compressor that inhales refrigerant gas from an external refrigerant circuit, compresses the inhaled refrigerant gas and discharges the compressed refrigerant gas, comprising a cylinder block having a plurality of bores, and a suction muffler chamber having a suction port connected to an external refrigerant circuit installed on the outer circumferential surface of the cylinder block, a front housing coupled to the front side of the cylinder block and forming a crank chamber, a driving shaft supported so as to freely rotate with respect to the cylinder block and the front housing, a single-headed piston connected to a slanting plate element mounted on the driving shaft and linearly reciprocating inside the bores of the cylinder block, and a rear housing connected to and closing the rear side of the cylinder block, having a discharge chamber and a suction chamber, and having two or more suction chamber connecting passages at an upstream side of the suction chamber.Type: GrantFiled: September 2, 2003Date of Patent: February 13, 2007Assignee: Halla Climate Control CorporationInventors: Young Seop Yoon, Hew Nam Ahn, Min Joo Lee, Hak Soo Kim
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Patent number: 7000420Abstract: A compressor that sucks refrigerant gas from an external refrigerant circuit, compresses the sucked refrigerant gas and discharges the compressed refrigerant gas, comprising a cylinder having a plurality of bores, a front housing coupled to the front side of the cylinder and forming a crank chamber, a driving shaft supported so as to freely rotate with respect to the cylinder and the front housing, a single-headed piston connected to a slanting plate element mounted on the driving shaft and linearly reciprocating inside the bores of the cylinder, and a rear housing coupled to and closing the rear side of the cylinder.Type: GrantFiled: August 27, 2003Date of Patent: February 21, 2006Assignee: Halla Climate Control CorporationInventors: Hew Nam Ahn, Min Joo Lee, Hak Soo Kim
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Publication number: 20040091370Abstract: A compressor that inhales refrigerant gas from an external refrigerant circuit, compresses the inhaled refrigerant gas and discharges the compressed refrigerant gas, comprising a cylinder block having a plurality of bores, and a suction muffler chamber having a suction port connected to an external refrigerant circuit installed on the outer circumferential surface of the cylinder block, a front housing coupled to the front side of the cylinder block and forming a crank chamber, a driving shaft supported so as to freely rotate with respect to the cylinder block and the front housing, a single-headed piston connected to a slanting plate element mounted on the driving shaft and linearly reciprocating inside the bores of the cylinder block, and a rear housing connected to and closing the rear side of the cylinder block, having a discharge chamber and a suction chamber, and having two or more suction chamber connecting passages at an upstream side of the suction chamber.Type: ApplicationFiled: September 2, 2003Publication date: May 13, 2004Inventors: Young Seop Yoon, Hew Nam Ahn, Min Joo Lee, Hak Soo Kim
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Publication number: 20040040331Abstract: A compressor that sucks refrigerant gas from an external refrigerant circuit, compresses the sucked refrigerant gas and discharges the compressed refrigerant gas, comprising a cylinder having a plurality of bores, a front housing coupled to the front side of the cylinder and forming a crank chamber, a driving shaft supported so as to freely rotate with respect to the cylinder and the front housing, a single-headed piston connected to a slanting plate element mounted on the driving shaft and linearly reciprocating inside the bores of the cylinder, and a rear housing coupled to and closing the rear side of the cylinder.Type: ApplicationFiled: August 27, 2003Publication date: March 4, 2004Inventors: Hew Nam Ahn, Min Joo Lee, Hak Soo Kim
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Patent number: 6315571Abstract: A training shoe is disclosed. The shoe, preferably a soft shoe such as a slipper is designed to emit audio and/or physical stimuli which assists the user in learning dance or other steps. The shoe comprises electromechanical members which are responsive to electrical output signals to control movement to guide a user to perform the appropriate dance steps. In preferred embodiments, the shoe also comprises a loudspeaker through which music is played. In alternate embodiments, the electromechanical members are responsive to audio stimuli such as the music from the loudspeaker on the shoe or from other musical sources.Type: GrantFiled: November 10, 1999Date of Patent: November 13, 2001Assignee: Chosun International, Inc.Inventor: Min Joo Lee
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Patent number: 6068453Abstract: A reciprocating piston type compressor comprises a cylinder block assembly, a drive shaft rotating together with a swash plate, a plurality of cylinder bores, a plurality of reciprocating pistons fitted within the cylinder bores, front and rear valve plates, front and rear suction and discharge valves, and front and rear housings. The front housing has a suction chamber for a refrigerant gas to be compressed and a discharge chamber for the compressed refrigerant gas in response to reciprocation of the pistons. The rear housing has a suction chamber for a refrigerant gas to be compressed, a discharge chamber for the compressed refrigerant gas, and an outlet chamber for delivering the compressed refrigerant gas carried therein from the discharge chamber of the front housing via a discharge passageway formed in the cylinder block assembly toward an external climate control system. A discharge conduit is formed in the discharge chamber of the rear housing to be orthogonally communicated with the outlet chamber.Type: GrantFiled: June 29, 1998Date of Patent: May 30, 2000Assignee: Halla Climate Control Corp.Inventors: Hyu Nam Ahn, Kweon Soo Lim, Min Joo Lee
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Patent number: 6050875Abstract: A method is disclosed for making a doll face comprising providing a fabric with at least one visual feature and placing the fabric, after it has been provided with such a visual feature, proximate to a plastic film to form a fabric and film assembly. The fabric and film assembly is then placed proximate a first heated shaping platen. The fabric and film assembly is driven proximate a first heated shaping platen to adhere the plastic film to the fabric and heat-form of fabric and film assembly into a desired shape having physical features, for example of a doll face. A portion of the adhered film and fabric is cut with a razor or the like to form a doll face. The face may then the incorporated into a doll. In accordance with the preferred embodiment, the fabric and film assembly is driven toward the first heated platen by a second heated shaping platen which is complementary in shape to the first heated shaping platen. The inventive doll head is one made using this process.Type: GrantFiled: March 9, 1999Date of Patent: April 18, 2000Assignee: Chosun International, Inc.Inventor: Min Joo Lee