Patents by Inventor Jun-Hyun Park
Jun-Hyun 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: 10964267Abstract: A pixel includes first, second, and third transistors, first and second capacitors, and an organic light emitting diode. The first transistor has a gate electrode connected to a first node, a first electrode that receives a first power voltage, and a second electrode connected to a second node. The second transistor has a gate electrode that receives a scan signal, a first electrode connected to the first node, and a second electrode connected to a third node. The third transistor has a gate electrode that receives a common control signal, a first electrode connected to the third node, and a second electrode connected to the second node. The organic light emitting diode has a first electrode connected to the second node and a second electrode that receives a second power voltage.Type: GrantFiled: May 19, 2020Date of Patent: March 30, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun-Hyun Park, Young-Wan Seo, An-Su Lee, Bo-Yong Chung, Kang-Moon Jo, Chong-Chul Chai
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Publication number: 20210090505Abstract: A display device including: a scan driver that transmits scan signals to scan lines; a data driver that data signals to data lines; and a display portion that includes pixels, respectively connected to the corresponding scan lines and corresponding data lines, and displays an image by the pixels that simultaneously emit light according to the corresponding data signals, wherein each of pixels includes: an organic light emitting diode; a first transistor that includes a gate connected to a first node, and is connected between first power and an anode of the organic light emitting diode; a second transistor that includes a gate connected to a corresponding scan line and transmits the corresponding data signal to the first node; and a first capacitor that is connected to the first node, and stores a data voltage according to the data signal.Type: ApplicationFiled: December 8, 2020Publication date: March 25, 2021Inventors: Jun Hyun PARK, Cheol-Gon Lee, Yang-Hwa Choi
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Publication number: 20210082353Abstract: A display device includes a data line to which a data voltage is applied, a first driving voltage line to which a first driving voltage is applied, a second driving voltage line to which a second driving voltage is applied, and a pixel connected to the first and second driving voltage lines. The pixel includes a first transistor to control a driving current according to a voltage applied to a first node, a light emitting element between the first transistor and the first driving voltage line, and a capacitor between the first node and the second driving voltage line. The first driving voltage has a first high-level voltage during a first initialization period, the first driving voltage has a first mid-level voltage lower than the first high level voltage during a threshold-voltage-storage period, and the first driving voltage has a first low-level voltage during a second initialization period.Type: ApplicationFiled: November 10, 2020Publication date: March 18, 2021Applicant: Samsung Display Co. Ltd.Inventors: Jun Hyun Park, Sun Kwang Kim, Young Wan Seo, Cheol Gon Lee, Yang Hwa Choi
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Publication number: 20210074215Abstract: A light emission driver includes a plurality of stages outputs a light emission control signal. Each of the stages includes an input circuit controlling voltages of a first node and a second node, an output circuit supplying a voltage of first power or a second power to an output terminal, a first signal processor controlling a voltage of a fourth node based on a signal supplied to a third input terminal and a voltage of a fifth node, a second signal processor controlling the voltage of the fourth node in response to the voltage of a third node, a first stabilizer limiting voltage drops of the first node and the second node, and a second stabilizer controlling an electrical connection between the third node and the first node in response to the voltage of the fourth node.Type: ApplicationFiled: June 1, 2020Publication date: March 11, 2021Inventors: Jun Hyun PARK, Bon Yong KOO, Yu Jin LEE, Kyung Hoon CHUNG
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Patent number: 10934655Abstract: Disclosed herein is a washing machine including: a main body having a laundry inlet in the front portion; a tub disposed in the inside of the main body, and configured to store water; a drum rotatably disposed in the inside of the tub; a pulsator disposed in the inside of the drum, and configured to be rotatable relative to the drum; a motor configured to provide a driving force to the pulsator; and a controller configured to control a current flowing to the motor on the basis of revolution per minute (rpm) of the pulsator rotating by a movement of laundry contained in the drum, and to start controlling the motor on the basis of rpm of the drum.Type: GrantFiled: August 24, 2018Date of Patent: March 2, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-Hoon Kim, Jung Chul Choi, Sung Mo Lee, Jun Hyun Park
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Publication number: 20210056908Abstract: A scan signal driver including: a plurality of stages for outputting scan signals and sensing signals, wherein a kth stage among the stages is connected to a kth scan signal line and a kth sensing signal line, and wherein the kth stage includes: a first output unit configured to output a scan clock signal input to a fit scan clock terminal to the kth scan signal line as a kth scan signal and to output a sensing clock signal input to a first sensing clock terminal to the kth sensing signal line as a k sensing signal when a pull-up node has a gate-on voltage; and a second output unit configured to output a carry clock signal input to a first carry clock terminal as a kth carry signal to a carry output terminal when the pull-up node has the gate-on voltage.Type: ApplicationFiled: June 15, 2020Publication date: February 25, 2021Inventors: Jun Hyun PARK, Dong Woo KIM, An Su LEE, Kang Moon JO
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Patent number: 10930220Abstract: There are provided a gate driver and a display device including the same. The gate driver includes: a first scan driver; a first sensing driver; a first scan clock line; and a first sensing clock line. The first scan clock line includes a first scan clock main line extending in one direction, and a first scan clock connection line connected to the first scan clock main line and the first scan driver. The first sensing clock line includes a first sensing clock main line extending in one direction, and a first sensing clock connection line connected to the first sensing clock main line and the first sensing driver. The first scan clock main line is closer to each of the first scan driver and the first sensing driver than the first sensing clock main line.Type: GrantFiled: November 26, 2019Date of Patent: February 23, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jun Hyun Park, Dong Woo Kim, An Su Lee, Kang Moon Jo
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Publication number: 20210043717Abstract: An organic light emitting diode display includes a clock wiring circuit including a first signal line and a second signal line, a resistance adjusting circuit including a first lower resistance line and a first upper resistance line connected to the first signal line and a second lower resistance line and a second upper resistance line connected to the second signal line, and a gate driving circuit connected to the resistance adjusting circuit. The second signal line is disposed closer to the gate driving circuit than the first signal line, the first lower resistance line and the second lower resistance line have higher resistivity than the first upper resistance line and the second upper resistance line, respectively, the first lower resistance line is shorter than the second lower resistance line, and the first upper resistance line is longer than the second upper resistance line.Type: ApplicationFiled: July 9, 2020Publication date: February 11, 2021Inventors: Jun Hyun PARK, Dong Woo KIM, Sung Jae MOON, Kang Moon JO
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Publication number: 20210027702Abstract: A pixel including a light emitter; a first transistor including first and second electrodes respectively connected to power and the light emitter, the first transistor controlling, driving current a first capacitor between a second and third node; a second transistor between the third node and data line and turned on by a scan signal; a third transistor between a first and second node, and turned on by a control signal; a fourth transistor between power and the third node, and turned on by a emission control signal; a fifth transistor between power and the first electrode, and turned on by the emission control signal; a sixth transistor between the second node and the light emitter, and turned on by another emission control signal; and a second capacitor between power and the first node, wherein the fourth, fifth and sixth transistors turn-on/off at least four times in a non-emission period.Type: ApplicationFiled: April 22, 2020Publication date: January 28, 2021Inventors: Jun Hyun PARK, Bon Yong KOO, Yu Jin LEE, Kyung Hoon CHUNG, Chong Chul CHAI
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Publication number: 20210027701Abstract: A pixel including: a light-emitting element; a first transistor including a first electrode coupled to a power source and a second electrode coupled to the light-emitting element; a first capacitor between a second and a third node; a second transistor between the third node and a data line and turned on by a scan signal; a third transistor between a first node and the second node and turned on by a first control signal; a fourth transistor between the power source and the third node and turned on by a second control signal; a fifth transistor between the power source and the first electrode of the first transistor and turned on by an emission control signal; a sixth transistor between the second node and the light-emitting element and turned on by a previous emission control signal; and a second capacitor between the power source and the first node.Type: ApplicationFiled: April 20, 2020Publication date: January 28, 2021Inventors: Jun Hyun PARK, Bon Yong KOO, Yu Jin LEE, Kyung Hoon CHUNG, Chong Chul CHAI
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Publication number: 20210020725Abstract: A display device including a substrate including a display area and an opening area therein, a data conductive layer on the substrate and including a source electrode and a voltage wiring in the opening area, a protective layer on the data conductive layer and covering the source electrode and the voltage wiring, a pixel electrode layer including a pixel electrode connected to the source electrode through a first contact hole, and an electrode pattern connected to the voltage wiring through a second contact hole, a pixel defining layer including an opening exposing the pixel electrode and a hole exposing the electrode pattern, a light emitting layer on the pixel defining layer and a common electrode on the light emitting layer, wherein the hole does not overlap the first and second contact holes.Type: ApplicationFiled: May 28, 2020Publication date: January 21, 2021Applicant: Samsung Display Co., LTD.Inventors: Jun Hyun PARK, Dong Woo KIM, Kang Moon JO, Sung Jae MOON
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Publication number: 20210002807Abstract: A washing machine is provided. The washing machine includes a water tub configured to be disposed in a cabinet and to store wash water, a rotating tub configured to be rotatably installed in the water tub and to include an opening formed in an upper end portion thereof, and a driver configured to be connected to the rotating tub and to rotate the rotating tub, wherein a deviation preventer configured to prevent wash water in the rotating tub from being deviated to one side during rotation of the rotating tub is formed at an upper end portion of the rotating tub.Type: ApplicationFiled: September 18, 2020Publication date: January 7, 2021Inventors: Sung-mo LEE, Sang-ho PARK, Kyung-up LIM, Seon-woo LEE, So-dam HAN, In-hwan KIL, Jun-hyun PARK, Do-yeon KIM, Hoon WEE
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Patent number: 10876242Abstract: Provided is a washing apparatus and a method of controlling the same. The washing apparatus includes a washing tub; and a controller configured to determine whether laundry put into the washing tub is wet laundry or dry laundry, and to determine a weight of the laundry in the washing tub through a detection of wet laundry weight or a detection of dry laundry weight, based on a result of the determination. The washing apparatus includes a washing tub; and a controller configured to detect a water level of washing water in the washing tub, configured to perform at least one of detecting a weight of wet laundry weight and dry laundry according to the water level, and configured to allow washing to be performed according to at least one result of the detection of the wet laundry weight and the dry laundry weight.Type: GrantFiled: March 15, 2016Date of Patent: December 29, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun Oh Kim, Seung Hun Lee, Jun Hyun Park, Sung Mo Lee, So Dam Han
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Patent number: 10878745Abstract: A scan driver includes stages configured to output a scan signal and a sensing signal, wherein an i-th (where i is an odd number) stage includes a common circuit configured to control voltages of a first node and a second node in response to a previous carry signal, a first carry control clock signal, and a second carry control clock signal, to control a voltage of a sampling node in response to a sensing on signal and a subsequent carry signal, and to control voltages of a first drive node and a second drive node based on the voltages of the first node, the second node, the sampling node, and a sensing clock signal, and a first output buffer configured to output the scan signal and the sensing signal to an i-th pixel row in response to the voltages of the first drive node and the second drive node.Type: GrantFiled: January 17, 2020Date of Patent: December 29, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jun Hyun Park, Dong Woo Kim, An Su Lee, Kang Moon Jo
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Patent number: 10867559Abstract: A display device including: a scan driver that transmits scan signals to scan lines; a data driver that data signals to data lines; and a display portion that includes pixels, respectively connected to the corresponding scan lines and corresponding data lines, and displays an image by the pixels that simultaneously emit light according to the corresponding data signals, wherein each of pixels includes: an organic light emitting diode; a first transistor that includes a gate connected to a first node, and is connected between first power and an anode of the organic light emitting diode; a second transistor that includes a gate connected to a corresponding scan line and transmits the corresponding data signal to the first node; and a first capacitor that is connected to the first node, and stores a data voltage according to the data signal.Type: GrantFiled: March 7, 2019Date of Patent: December 15, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jun Hyun Park, Cheol-Gon Lee, Yang-Hwa Choi
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Publication number: 20200381507Abstract: The present disclosure relates to a display device, and the display device according to an exemplary embodiment of the present inventive concept includes: a first pixel circuit portion including at least one transistor; a second pixel circuit portion including at least one transistor; a first pixel electrode electrically connected to the first pixel circuit portion; a second pixel electrode electrically connected to the second pixel circuit portion; a first data line electrically connected to the first pixel circuit portion; and a second data line electrically connected to the second pixel circuit portion, wherein the first data line and the second data line are arranged adjacent to each other along a first direction, and the second pixel electrode overlaps the first data line and the second data line in a plan view.Type: ApplicationFiled: May 8, 2020Publication date: December 3, 2020Inventors: Jun Hyun PARK, Dong Woo KIM, Sung Jae MOON, Kang Moon JO
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Publication number: 20200380911Abstract: A scan driver includes stages configured to output a scan signal and a sensing signal, wherein an i-th (where i is an odd number) stage includes a common circuit configured to control voltages of a first node and a second node in response to a previous carry signal, a first carry control clock signal, and a second carry control clock signal, to control a voltage of a sampling node in response to a sensing on signal and a subsequent carry signal, and to control voltages of a first drive node and a second drive node based on the voltages of the first node, the second node, the sampling node, and a sensing clock signal, and a first output buffer configured to output the scan signal and the sensing signal to an i-th pixel row in response to the voltages of the first drive node and the second drive node.Type: ApplicationFiled: January 17, 2020Publication date: December 3, 2020Inventors: Jun Hyun Park, Dong Woo Kim, An Su Lee, Kang Moon Jo
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Publication number: 20200365077Abstract: A display device includes a substrate including a display area and a non-display area around the display area; a transistor on the substrate; an insulating layer on the transistor; a power voltage line on the insulating layer and transferring a power voltage; a data line on the insulating layer and transferring a data voltage; and an auxiliary wire between the substrate and the power voltage line in the display area. The auxiliary wire includes a portion overlapping the power voltage line and a portion overlapping the data line in a plan view and is electrically connected to the power voltage line.Type: ApplicationFiled: May 12, 2020Publication date: November 19, 2020Applicant: Samsung Display Co., LTD.Inventors: Jun Hyun PARK, Dong Woo KIM, An Su LEE, Kang Moon JO
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Patent number: 10839757Abstract: A display device includes an initialization voltage line to which an initialization voltage is applied, a first driving voltage line to which a first driving voltage is applied, and a pixel connected to the initialization voltage line and the first driving voltage line. The pixel includes a first transistor to control a driving current flowing between a first electrode and a second electrode according to a voltage applied to a first node, a light emitting element between the first transistor and the first driving voltage line, and a first capacitor between the first node and the initialization voltage line. During an initialization period in which the light emitting element is initialized, the initialization voltage is changed from a first level voltage to a second level voltage lower than the first level voltage and the first driving voltage is changed from a first high-level voltage to a first low-level voltage.Type: GrantFiled: September 12, 2019Date of Patent: November 17, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Hyun Park, Sun Kwang Kim, Young Wan Seo, Cheol Gon Lee, Yang Hwa Choi
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Publication number: 20200343326Abstract: A display device may include a substrate including a display area and a non-display area, pixels provided in the display area and each pixel including a pixel transistor and a light emitting element connected to the pixel transistor, a first driver provided in the non-display area and configured to provide a scan signal to the pixel, a scan line configured to transfer the scan signal to the pixel, a first fan-out line provided in the non-display area and connected to the scan line, and a first electrostatic discharge portion provided in the non-display area and located between the first fan-out line and the scan line. The first electrostatic discharge portion may include a bottom metal layer disposed on the substrate and a transistor disposed on and electrically connected to the bottom metal layer.Type: ApplicationFiled: March 11, 2020Publication date: October 29, 2020Applicant: Samsung Display Co., Ltd.Inventors: Jun Hyun PARK, Dong Woo KIM, Sung Jae MOON, Kang Moon JO