Patents by Inventor Young-Joo Park
Young-Joo Park 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: 7949460Abstract: Disclosed is method and apparatus for supplying fuel of LPG car having LPI system. More particularly, the present invention generates a gas fuel injection signal based on a gasoline fuel injection signal and directly injects LPG fuel within a fuel tank to a combustion chamber using the generated gas fuel injection signal to drive an engine. Therefore, an engine can be easily changed, the manufacturing cost of a duel car of LPG and gasoline can be reduced, and the manufacturing process thereof can be simplified.Type: GrantFiled: May 31, 2007Date of Patent: May 24, 2011Assignee: Continental Automotive Systems CorporationInventors: Jin-Woo Song, Eun-Sik Choo, Young-ki Min, Jae-Min Jung, Jeong-Hoon An, Young-Joo Park
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Patent number: 7944405Abstract: A dual display device includes a display panel having a first surface and an opposing second surface, and including a plurality of first pixels displaying an image on the first surface and a plurality of second pixels displaying an image on the second surface, a gate driver supplying gate signals to the first and second pixels, a signal controller including first and second receivers receiving input image signals and generating first and second output image signals based on the input image signals, and a data driver analog-converting the first and second output image signals to generate first and second data voltages, respectively, and supplying the first and second data voltages to the first and second pixels, respectively. By using two different interfaces, memories can be reduced by driving transmissive pixels and reflective pixels independently, and different normal images can be displayed on both surfaces of the display panel.Type: GrantFiled: July 2, 2007Date of Patent: May 17, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Joo Park, Jin-Oh Kwag
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Publication number: 20100164915Abstract: A gate driving circuit includes a first shift register and a second shift register for driving odd gate lines. The first shift register includes a first plurality of cascade-connected stages that sequentially output a plurality of first gate signals. A first stage of the first shift register receives a first vertical start signal. The second shift register includes a second plurality of cascade-connected stages to sequentially output a plurality of second gate signals. The first stage of the second shift register receives an output signal of the first stage of the first shift register as its vertical start signal. A data charging rate may be improved by ensuring the timing margin of each gate signal, so that the driving reliability of the gate driving circuit may be improved.Type: ApplicationFiled: August 11, 2009Publication date: July 1, 2010Inventors: Hak-Gyu Kim, Young-Joo Park, Ji-Suk Lim
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Patent number: 7737911Abstract: A display apparatus includes first and second display panels, a driver chip and a first flexible printed circuit. The first display panel displays a first image in response to first driving signals. The second display panel displays a second image in response to second driving signals. The driver chip is disposed between the first and second display panels, and the driver chip provides the first and second driving signals to the first and second display panels. The first flexible printed circuit is disposed between the first and second display panels, and the first flexible printed circuit applies the second driving signal generated from the driver chip to the second display panel. Therefore, an electrical resistance is reduced, so that a signal delay is prevented to enhance display qualities.Type: GrantFiled: January 7, 2005Date of Patent: June 15, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Joo Park, Eung-Sang Lee, Jin-Hyuk Yun
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Publication number: 20100079418Abstract: An electronic device including a display device, and a driving method thereof, in which the display device includes a central processing unit, a display device, and a feedback unit. The central processing unit provides image signals and input control signals, and the display device displays an image based on the image signals and the input control signals. The feedback unit is connected between the central processing unit and the display device and transmits a signal, including information on whether static electricity is applied to the display device, to the central processing unit. The central processing unit initializes a driving condition when the static electricity is applied to the display device and a display operation error occurs.Type: ApplicationFiled: September 23, 2009Publication date: April 1, 2010Inventors: Jae-Hoon MYUNG, Young-Joo PARK, Joon-Hyun KIM, Sang-Min LIM
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Publication number: 20090312935Abstract: Disclosed is method and apparatus for supplying fuel of LPG car having LPI system. More particularly, the present invention generates a gas fuel injection signal based on a gasoline fuel injection signal and directly injects LPG fuel within a fuel tank to a combustion chamber using the generated gas fuel injection signal to drive an engine. Therefore, an engine can be easily changed, the manufacturing cost of a duel car of LPG and gasoline can be reduced, and the manufacturing process thereof can be simplified.Type: ApplicationFiled: May 31, 2007Publication date: December 17, 2009Inventors: Jin-Woo Song, Eun-Sik Choo, Young-ki Min, Jae-Min Jung, Jeong-Hoon An, Young-Joo Park
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Publication number: 20090122034Abstract: In a display device, a first frame of input image signals is received by a signal controller, stored in a memory, and applied to rows of pixels while a gate driver scans a gate-on voltage to a gate line in a first mode to select a row of pixels, one row at a time. When a gate driver controller detects that a second frame of image signals is being received by the signal controller, the gate driver controller halts the operation of the gate driver until the second frame of input image signals has all been received by the signal controller and until a scan start signal is detected by the gate driver controller.Type: ApplicationFiled: July 22, 2008Publication date: May 14, 2009Inventors: Jeong-Hwan Shin, Jin-Oh Kwag, Young-Joo Park
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Publication number: 20090091679Abstract: A liquid crystal display (“LCD”) includes: a liquid crystal panel having a reflective region in which a first image is displayed in a first viewing direction and a transmissive region in which a second image is displayed in a second different viewing direction; a first optical film assembly disposed on a first surface of the liquid crystal panel and including a first phase-difference film which has a first phase difference, and a first polarizing film; a second optical film assembly disposed on a second opposite surface of the liquid crystal panel and including a second phase-difference film which has a second phase difference, and a second polarizing film; and a phase-difference compensating film disposed on at least one of the first polarizing film and the second polarizing film. The phase-difference compensating film circularly or elliptically polarizes light.Type: ApplicationFiled: October 1, 2008Publication date: April 9, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Young-joo PARK, Jin-Oh Kwag
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Publication number: 20080211762Abstract: An apparatus for adjusting luminance includes a comparing part, a summing part, a mode selecting part, an inverting part and a decoding part. The comparing part compares a photo sensing voltage with a reference voltage in each of a plurality of sensing periods and generating a photo sensing signal. The summing part sums the photo sensing signal during the sensing periods and generates a plurality of summation signals. The mode selecting part controls an application of the summation signals based on a mode selection. Then, the inverting part inverts the summation signals based on the control of the mode selecting part and generates a plurality of inversion signals. The decoding part decodes the summation signals or the inversion signals and generates a decoding signal. Therefore, light pollution and power consumption may be decreased, and manufacturing costs may be decreased.Type: ApplicationFiled: February 26, 2008Publication date: September 4, 2008Inventors: Young KIM, Young-Joo Park, Hoe-Woo You
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Publication number: 20080211754Abstract: A display device includes a display panel, an application module, a printed circuit film and a driving unit. The display panel includes a plurality of pixel portions formed in a display area, at least one output pad formed in a first peripheral area that is formed at a first side of the display area and at least one connection line electrically connected to the output pad. At least one application module disposed adjacent the display panel. At least one printed circuit film electrically connects the output pad to the application module. The driving unit includes a pixel driving section electrically connected to the pixel portions to drive the pixel portions and an application driving section electrically connected to the connection line to drive the application module.Type: ApplicationFiled: January 14, 2008Publication date: September 4, 2008Inventors: Jin-Hee Park, Young-Joo Park, Hoe-Woo You
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Publication number: 20080204622Abstract: A display apparatus includes a receiving frame, a front-light module, a cover member and a display panel. The receiving frame has side walls which are formed around an open portion. The front-light module includes a light-guide plate disposed in the receiving space and a light source disposed between the light-guide plate and at least one side wall. The cover member is disposed over the side walls, to cover the light source and an upper surface of the light-guide plate. The display panel module includes a liquid crystal display (LCD) panel facing the light-guide plate and disposed under the front-light module in the receiving space, and a driving printed circuit film extending along the side wall from an edge of the LCD panel to the cover member. Thus, prism patterns of the light-guide plate may be protected and a mounting area of driving elements may be increased.Type: ApplicationFiled: February 22, 2008Publication date: August 28, 2008Inventors: Hoe-Woo You, Young-Joo Park, Young Kim, Jin-Hee Park
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Publication number: 20080180431Abstract: An electronic device including a display device, and a driving method thereof. The electronic device including the display device includes a central processing unit, a display device, and a feedback unit. The central processing unit provides image signals and input control signals. The display device displays an image based on the image signals and the input control signals. The feedback unit is connected between the central processing unit and the display device and transmits a signal including information on whether static electricity is applied to the display device to the central processing unit. The central processing unit initializes a driving condition when the static electricity is applied to the display device and a display operation error occurs.Type: ApplicationFiled: January 11, 2008Publication date: July 31, 2008Inventors: Jae-Hoon Myung, Young-Joo Park, Joon-Hyun Kim, Sang-Min Lim
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Publication number: 20080122735Abstract: A dual display device includes a display panel having a first surface and an opposing second surface, and including a plurality of first pixels displaying an image on the first surface and a plurality of second pixels displaying an image on the second surface, a gate driver supplying gate signals to the first and second pixels, a signal controller including first and second receivers receiving input image signals and generating first and second output image signals based on the input image signals, and a data driver analog-converting the first and second output image signals to generate first and second data voltages, respectively, and supplying the first and second data voltages to the first and second pixels, respectively. By using two different interfaces, memories can be reduced by driving transmissive pixels and reflective pixels independently, and different normal images can be displayed on both surfaces of the display panel.Type: ApplicationFiled: July 2, 2007Publication date: May 29, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-Joo PARK, Jin-Oh KWAG
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Publication number: 20080123026Abstract: A display device includes a display panel having a first surface and a second surface facing each other and including a plurality of first pixels displaying an image on the first surface and a plurality of second pixels displaying an image on the second surface, a gate driver supplying gate signals to the first and second pixels, a data driver supplying data signals to the first and second pixels, and a backlight unit irradiating light on the display panel, the first pixels and the second pixels displaying different images. Therefore, different images can be normally realized on both surfaces by independently driving the first pixels and the second pixels.Type: ApplicationFiled: July 3, 2007Publication date: May 29, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-Oh KWAG, Young-Joo PARK
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Publication number: 20070171168Abstract: A driving apparatus for a display device and display device having the driving apparatus. The display device has a plurality of pixels each having a switching element. The driving apparatus includes a gate line connected to the switching element, a gate driver to apply a gate signal having first to third voltages to the gate line, a first voltage generator to generate the first and third voltages, and a second voltage generator to generate the second voltage. The first and second voltages turn on the switching element, and the third voltage turns off the switching element. The second voltage is less than the first voltage. Thus, since the gate driver includes the second voltage generator to generate the second voltage and a plurality of transistors, and generates a gate output having a step shape, a kickback voltage is reduced and flicker is prevented.Type: ApplicationFiled: January 25, 2007Publication date: July 26, 2007Inventors: Young-Joo Park, Jin-Oh Kwag, Hoe-Woo You, Jin-Hee Park
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Publication number: 20070040792Abstract: A shift register that is capable of performing partial driving and a display device having the shift register, in which the shift register has at least two display regions, each of which includes pixels and signal lines connected thereto. The shift register includes at least two stage groups, each of which includes a plurality of stages connected to each other to sequentially generate output signals, wherein each stage group transmits the output signals to the signal lines included in one of the two display regions. Accordingly, the shift register is divided into a plurality of the stage groups, and only the necessary portion of a screen can be displayed, so that it is possible to reduce power consumption.Type: ApplicationFiled: June 10, 2006Publication date: February 22, 2007Inventors: Jin-Oh Kwag, Young-Joo Park, Jae-Myong Yoo
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Publication number: 20060146006Abstract: A liquid crystal display includes a first panel unit; a second panel unit; a first flexible printed circuit film (FPC) having an opening exposing the second panel unit; a light source unit providing the first and the second panel units and including a plurality of lamps; and a current controller controlling a current applied to the light source unit and including a capacitoritor is less than 100 nF.Type: ApplicationFiled: December 29, 2005Publication date: July 6, 2006Inventors: Yong-Hui Lee, Jin-Hee Park, Jeong-Hwan Shin, Jae-Myong Yoo, Young Kim, Young-Joo Park, Jin-Oh Kwan
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Publication number: 20050219150Abstract: A display apparatus includes first and second display panels, a driver chip and a first flexible printed circuit. The first display panel displays a first image in response to first driving signals. The second display panel displays a second image in response to second driving signals. The driver chip is disposed between the first and second display panels, and the driver chip provides the first and second driving signals to the first and second display panels. The first flexible printed circuit is disposed between the first and second display panels, and the first flexible printed circuit applies the second driving signal generated from the driver chip to the second display panel. Therefore, an electrical resistance is reduced, so that a signal delay is prevented to enhance display qualities.Type: ApplicationFiled: January 7, 2005Publication date: October 6, 2005Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-Joo Park, Eung-Sang Lee, Jin-Hyuk Yun