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).
-
Patent number: 9672792Abstract: 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: GrantFiled: August 26, 2015Date of Patent: June 6, 2017Assignee: 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
-
Publication number: 20170033013Abstract: An integrated circuit device may include a gate insulation layer covering a top surface and opposite sidewalls of a fin-shaped active region, a gate electrode covering the gate insulation layer and a hydrogen atomic layer disposed along an interface between the fin-shaped active region and the gate insulation layer. A method of manufacturing the integrated circuit device may include forming an insulating layer covering a lower portion of a preliminary fin-shaped active region, forming a fin-shaped active region having an outer surface with an increased smoothness through annealing an upper portion of the preliminary fin-shaped active region in a hydrogen atmosphere and forming a hydrogen atomic layer covering the outer surface of the fin-shaped active region. A gate insulation layer and a gate electrode may be formed to cover a top surface and opposite sidewalls of the fin-shaped active region.Type: ApplicationFiled: May 12, 2016Publication date: February 2, 2017Inventors: Weon-hong Kim, Dong-su Yoo, Min-Joo Lee, Moon-Kyun Song, Soo-jung Choi
-
Publication number: 20160189951Abstract: In a method of forming a layer, a substrate is loaded into a chamber and placed at a home position that is a first relative angular position. A process cycle is performed a number of times while the substrate is at the home position. The cycle includes directing source gas onto the substrate at a first location adjacent the periphery of the substrate, purging the chamber, directing reaction gas onto the substrate from the first location, and purging the chamber. The cycle is performed another number of times while the substrate is at another relative angular position, i.e., at a position rotated about its general center relative from the home position.Type: ApplicationFiled: December 15, 2015Publication date: June 30, 2016Inventors: MIN-JOO LEE, WEON-HONG KIM, MOON-KYUN SONG, DONG-SU YOO, SOO-JUNG CHOI
-
Patent number: 9318335Abstract: A method of fabricating a semiconductor device includes forming an interface layer on a substrate, forming a first gate insulating layer having a first dielectric constant on the interface layer, forming a second gate insulating layer having a second dielectric constant smaller than the first dielectric constant on the first gate insulating layer, annealing the substrate, nitriding a resultant of the annealed first and second gate insulating layers to form a nitrided gate insulator, forming a work function control layer on the nitride gate insulator, and forming a metal gate electrode on the work function control layer. At least one of the work function control layer and the metal gate electrode is of or includes aluminum (Al).Type: GrantFiled: April 14, 2015Date of Patent: April 19, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Weon-Hong Kim, Moon-Kyun Song, Min-Joo Lee, Hyung-Suk Jung
-
Patent number: 9305501Abstract: A method to drive a display device includes: transmitting at least one data voltage to one or more of a plurality of data lines, scanning one or more of a plurality of gate lines to enable transmission of a gate signal in association with a first frame of a first hold section of a first still image section associated with display of a still image, and scanning one or more of the plurality of gate lines to enable transmission of the gate signal every frame of a first refresh section. The first still image section comprises the first refresh section.Type: GrantFiled: November 5, 2012Date of Patent: April 5, 2016Assignee: Samsung Display Co., Ltd.Inventors: Yong-Jun Choi, Hyun Seok Ko, Po-Yun Park, Min Joo Lee, Jung-Hwan Cho
-
Patent number: 9299301Abstract: 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: GrantFiled: March 16, 2012Date of Patent: March 29, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong-Jun Choi, Jae-Suk Choi, Po-Yun Park, Jung Hwan Cho, Min Joo Lee
-
Publication number: 20160064225Abstract: A method of fabricating a semiconductor device includes forming an interface layer on a substrate, forming a first gate insulating layer having a first dielectric constant on the interface layer, forming a second gate insulating layer having a second dielectric constant smaller than the first dielectric constant on the first gate insulating layer, annealing the substrate, nitriding a resultant of the annealed first and second gate insulating layers to form a nitrided gate insulator, forming a work function control layer on the nitride gate insulator, and forming a metal gate electrode on the work function control layer. At least one of the work function control layer and the metal gate electrode is of or includes aluminum (Al).Type: ApplicationFiled: April 14, 2015Publication date: March 3, 2016Inventors: WEON-HONG KIM, MOON-KYUN SONG, MIN-JOO LEE, HYUNG-SUK JUNG
-
Patent number: 9257100Abstract: 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: GrantFiled: July 10, 2012Date of Patent: February 9, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Su Han, Min Joo Lee, Po-Yun Park, Youn Jin Jung, Jung Hwan Cho
-
Patent number: 9251756Abstract: A display device includes: a display panel configured to display an image; and a signal controller configured to control signals to drive the display panel. The signal controller includes: an image data converter configured to convert image data of “m” bits into image data of “n” bits; a gray voltage generator configured to generate a gray voltage corresponding to the image data of “n” bits; a control signal generator configured to generate a gate control signal; and a luminance change controller configured to control a luminance change period of an image displayed via the display panel to be greater than or equal to one second.Type: GrantFiled: September 12, 2013Date of Patent: February 2, 2016Assignee: Samsung Display Co., Ltd.Inventors: Yong-Jun Choi, Hyun Seok Ko, Po-Yun Park, Min Joo Lee, Youn Jin Jung, Jung Hwan Cho
-
Publication number: 20150371609Abstract: 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 26, 2015Publication date: December 24, 2015Inventors: 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
-
Patent number: 9208736Abstract: 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: GrantFiled: May 30, 2012Date of Patent: December 8, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Suk Choi, Yong-Jun Choi, Po-Yun Park, Yun-Jae Kim, Min Joo Lee, Jung Hwan Cho
-
Patent number: 9165518Abstract: 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: GrantFiled: August 7, 2012Date of Patent: October 20, 2015Assignee: 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
-
Patent number: 9135874Abstract: 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: GrantFiled: August 7, 2012Date of Patent: September 15, 2015Assignee: 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
-
Patent number: 9129572Abstract: 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: GrantFiled: August 7, 2012Date of Patent: September 8, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong-Jun Choi, Jae-Suk Choi, Seung Hwan Moon, Po-Yun Park, Min Joo Lee, Jung Hwan Cho
-
Patent number: 9105252Abstract: 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: GrantFiled: August 7, 2012Date of Patent: August 11, 2015Assignee: 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
-
Patent number: 8928639Abstract: 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: GrantFiled: March 20, 2012Date of Patent: January 6, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Min Joo Lee, Po-Yun Park, Sang Su Han, Youn Jin Jung, Yong-Jun Choi, Jae-Suk Choi
-
Publication number: 20140307003Abstract: A display device includes: a display panel configured to display an image; and a signal controller configured to control signals to drive the display panel. The signal controller includes: an image data converter configured to convert image data of “m” bits into image data of “n” bits; a gray voltage generator configured to generate a gray voltage corresponding to the image data of “n” bits; a control signal generator configured to generate a gate control signal; and a luminance change controller configured to control a luminance change period of an image displayed via the display panel to be greater than or equal to one second.Type: ApplicationFiled: September 12, 2013Publication date: October 16, 2014Applicant: Samsung Display Co., Ltd.Inventors: Yong-Jun CHOI, Hyun Seok Ko, Po-Yun Park, Min Joo Lee, Youn Jin Jung, Jung Hwan Cho
-
Patent number: 8766968Abstract: 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: GrantFiled: January 5, 2012Date of Patent: July 1, 2014Assignee: Samsung Display Co., Ltd.Inventors: Min Joo Lee, Po-Yun Park, Jung Hwan Cho
-
Publication number: 20140092145Abstract: A driving method of a display device is provided. The display device comprises a display panel having a plurality of pixels, a signal controller for controlling operation of the display panel, and a memory connected to the signal controller. The driving method comprises receiving an input image signal for a motion picture or a stationary image, and if the input image signal for the stationary image is received, determining whether the stationary image includes at least one weak pattern, setting a first frequency as a driving frequency to display the stationary image if the stationary image does not include a weak pattern, and setting a second frequency that is higher than the first frequency as the driving frequency if the stationary image includes the at least one weak pattern.Type: ApplicationFiled: January 25, 2013Publication date: April 3, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Po-Yun PARK, Hyun Seok KO, Min Joo LEE, Yong-Jun CHOI
-
Publication number: 20140015820Abstract: A method to drive a display device includes: transmitting at least one data voltage to one or more of a plurality of data lines, scanning one or more of a plurality of gate lines to enable transmission of a gate signal in association with a first frame of a first hold section of a first still image section associated with display of a still image, and scanning one or more of the plurality of gate lines to enable transmission of the gate signal every frame of a first refresh section. The first still image section comprises the first refresh section.Type: ApplicationFiled: November 5, 2012Publication date: January 16, 2014Applicant: Samsung Display Co., Ltd.Inventors: Yong-Jun Choi, Hyun Seok Ko, Po-Yun Park, Min Joo Lee, Jung-Hwan Cho