Patents by Inventor Chang-Wook Kang
Chang-Wook Kang 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: 10339853Abstract: A mobile terminal according to an exemplary embodiment includes: a display unit including a display panel including a plurality of pixels, a scan driver including a plurality of stages connected to at least one of the plurality of pixels and supplying a scanning signal, and a data driver configured to supply a data voltage to the plurality of pixels; an eye detecting sensor configured to detect an eye position of a user with respect to the display panel; and a controller configured to generate a control signal that controls the display unit and outputting the control signal, wherein the scan driver is configured to supply a scanning signal from a stage corresponding to one region of the display panel where the eye of the user is directed.Type: GrantFiled: October 22, 2017Date of Patent: July 2, 2019Assignee: Samsung Display Co., Ltd.Inventors: Joo Hyuk Bang, Chang Wook Kang, Byung Hyuk Son, In Ho Cho
-
Publication number: 20180130402Abstract: A mobile terminal according to an exemplary embodiment includes: a display unit including a display panel including a plurality of pixels, a scan driver including a plurality of stages connected to at least one of the plurality of pixels and supplying a scanning signal, and a data driver configured to supply a data voltage to the plurality of pixels; an eye detecting sensor configured to detect an eye position of a user with respect to the display panel; and a controller configured to generate a control signal that controls the display unit and outputting the control signal, wherein the scan driver is configured to supply a scanning signal from a stage corresponding to one region of the display panel where the eye of the user is directed.Type: ApplicationFiled: October 22, 2017Publication date: May 10, 2018Inventors: Joo Hyuk BANG, Chang Wook Kang, Byung Hyuk Son, In Ho Cho
-
Patent number: 9305987Abstract: A pixel includes a capacitor coupled to a transistor, a first insulating layer over a semiconductor layer of the transistor, a second insulating layer over the first insulating layer, and a blocking layer between the first insulating layer and the second insulating layer. The first plate of the capacitor is on the first insulating layer and a second plate of the capacitor on the second insulating layer. The blocking layer may be made of a natural oxide layer and the first insulating layer may be made of a material different from the blocking layer.Type: GrantFiled: November 8, 2013Date of Patent: April 5, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Chang-Wook Kang
-
Patent number: 9202404Abstract: A display driving apparatus for outputting control signals to a number of driver integrated circuits (ICs). The plurality of driver ICs are connected in a cascade manner such that, when a first control signal is input to a first driver IC, a transmission signal corresponding to the first control signal is transmitted to a subsequent driver IC using a cascade method. The display driving apparatus includes a restoration signal generation unit for generating restoration signals with respect to the first control signal and transmission signals of the number of driver ICs; an error detection unit for detecting an abnormal driver IC that does not operate normally from among the plurality of driver ICs; and a restoration signal output unit for outputting a restoration signal to the abnormal driver IC.Type: GrantFiled: October 28, 2010Date of Patent: December 1, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hisashi Kimura, Chang-Wook Kang
-
Patent number: 9165492Abstract: A display driving apparatus for outputting control signals to a number of driver integrated circuits (ICs). The plurality of driver ICs are connected in a cascade manner such that, when a first control signal is input to a first driver IC, a transmission signal corresponding to the first control signal is transmitted to a subsequent driver IC using a cascade method. The display driving apparatus includes a restoration signal generation unit for generating restoration signals with respect to the first control signal and transmission signals of the number of driver ICs; an error detection unit for detecting an abnormal driver IC that does not operate normally from among the plurality of driver ICs; and a restoration signal output unit for outputting a restoration signal to the abnormal driver IC.Type: GrantFiled: October 28, 2010Date of Patent: October 20, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hisashi Kimura, Chang-Wook Kang
-
Publication number: 20140319480Abstract: A pixel includes a capacitor coupled to a transistor, a first insulating layer over a semiconductor layer of the transistor, a second insulating layer over the first insulating layer, and a blocking layer between the first insulating layer and the second insulating layer. The first plate of the capacitor is on the first insulating layer and a second plate of the capacitor on the second insulating layer. The blocking layer may be made of a natural oxide layer and the first insulating layer may be made of a material different from the blocking layer.Type: ApplicationFiled: November 8, 2013Publication date: October 30, 2014Applicant: Samsung Display Co., Ltd.Inventor: Chang-Wook KANG
-
Publication number: 20140021870Abstract: There is provided an organic light emitting display capable of displaying an image of uniform brightness. The organic light emitting display includes a panel including pixels, the pixels including driving transistors, the gate electrodes of the driving transistors being configured to be initialized by voltages supplied from an initializing power supply, and an initializing power supply generator for supplying the initializing power supply. The initializing power supply generator is configured to set a voltage value of the initializing power supply to vary to correspond to a position of the panel.Type: ApplicationFiled: November 2, 2012Publication date: January 23, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Bo AN, Chang-Wook KANG, Dong-Hwan LEE
-
Patent number: 8556652Abstract: A flexible printed circuit board (FPCB) assembly including a plurality of FPCBs configured to be plugged into a single combination slot of a single connector, each of the FPCBs including a body, and a plug unit at an end portion of the body, wherein the plug units of the plurality of FPCBs are configured to be combinedly plugged together into the single combination slot.Type: GrantFiled: September 23, 2011Date of Patent: October 15, 2013Assignee: Samsung Display Co., Ltd.Inventors: Chang-Wook Kang, Hoe-Woo You
-
Publication number: 20120223659Abstract: A flexible printed circuit board (FPCB) assembly including a plurality of FPCBs configured to be plugged into a single combination slot of a single connector, each of the FPCBs including a body, and a plug unit at an end portion of the body, wherein the plug units of the plurality of FPCBs are configured to be combinedly plugged together into the single combination slot.Type: ApplicationFiled: September 23, 2011Publication date: September 6, 2012Inventors: Chang-Wook Kang, Hoe-Woo You
-
Publication number: 20110199344Abstract: A display driving apparatus for outputting control signals to a number of driver integrated circuits (ICs). The plurality of driver ICs are connected in a cascade manner such that, when a first control signal is input to a first driver IC, a transmission signal corresponding to the first control signal is transmitted to a subsequent driver IC using a cascade method. The display driving apparatus includes a restoration signal generation unit for generating restoration signals with respect to the first control signal and transmission signals of the number of driver ICs; an error detection unit for detecting an abnormal driver IC that does not operate normally from among the plurality of driver ICs; and a restoration signal output unit for outputting a restoration signal to the abnormal driver IC.Type: ApplicationFiled: October 28, 2010Publication date: August 18, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Hisashi KIMURA, Chang-Wook KANG
-
Publication number: 20100079709Abstract: The present invention relates to a liquid crystal display. The liquid crystal display includes a liquid crystal panel having a first and a second side, a first polarizer arranged on the first side of the liquid crystal panel, and a backlight unit arranged on the first side of the liquid crystal panel, the first polarizer being arranged between the liquid crystal panel and the backlight unit, a second polarizer arranged on the second side of the liquid crystal panel, and a first half-wave plate arranged on the second side of the liquid crystal panel, the second polarizer arranged between the liquid crystal panel and the first half-wave plate. A slow axis of the first half-wave plate meets a transmission axis of the second polarizer at a first angle ?1 so that the first half-wave plate rotates the polarization axis of polarized light transmitted from the second polarizer.Type: ApplicationFiled: July 6, 2009Publication date: April 1, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won-Sang Park, Dong-Hwan Kim, Ahn-Ho Jee, Chang-Kil Lee, Chang-Wook Kang
-
Publication number: 20080055268Abstract: A plurality of pixel parts is electrically connected to gate and source lines. Each of the pixel parts has a thin-film transistor (TFT) formed therein. A plurality of hall sensing parts is formed in the pixel parts. A plurality of hall sensing parts varies a reference current applied to the gate and the source lines by a magnetic member. The position detector is electrically connected to the gate lines and the source lines. The position detector detects a position of the magnetic member using the gate and source lines to which a varied current is applied. The plurality of hall sensing parts formed in the pixel parts detect the position of the magnetic member that approaches or contacts the screen of the display.Type: ApplicationFiled: August 30, 2007Publication date: March 6, 2008Inventors: Dan-Sik YOO, Teruo KATAKURA, Chang-Wook KANG