Patents by Inventor Hyo-Sang Yang
Hyo-Sang Yang 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: 20230260456Abstract: A display device includes: a display panel which receives a driving voltage and an initialization voltage; a power manager which provides the driving voltage to the display panel; and a voltage generator which receives a feedback driving voltage from the display panel and generates the initialization voltage based on the feedback driving voltage. The feedback driving voltage is a voltage that is fed back to the voltage generator after the driving voltage supplied from the power manager passes through the display panel.Type: ApplicationFiled: October 13, 2022Publication date: August 17, 2023Inventors: HYO-SANG YANG, SUNGJIN KIM, BORAM SHIN
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Patent number: 11429236Abstract: A display device includes: a first touch electrode; a first touch pad electrically connected to the first touch electrode by a touch wire; and a first dummy pad not connected to the touch wire, and disposed adjacent to the first touch pad, wherein a width of the first touch pad is greater than a width of the first dummy pad.Type: GrantFiled: May 10, 2021Date of Patent: August 30, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyo-Sang Yang
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Patent number: 11366539Abstract: A display device includes a display panel to display an image for each of frame periods, and an input sensing unit directly on the display panel to sense a user input. A display device further includes a first driver to control driving of the display panel and a second driver to control driving of the input sensing unit. The frame period includes a display period and a blank period adjacent to the display period. The duration of the blank period may vary randomly during a set reference period.Type: GrantFiled: October 23, 2020Date of Patent: June 21, 2022Assignee: Samsung Display Co., Ltd.Inventors: YongHwan Shin, Hyo-Sang Yang
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Publication number: 20210263614Abstract: A display device includes: a first touch electrode; a first touch pad electrically connected to the first touch electrode by a touch wire; and a first dummy pad not connected to the touch wire, and disposed adjacent to the first touch pad, wherein a width of the first touch pad is greater than a width of the first dummy pad.Type: ApplicationFiled: May 10, 2021Publication date: August 26, 2021Inventor: Hyo-Sang YANG
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Publication number: 20210165518Abstract: A display device includes a display panel to display an image for each of frame periods, and an input sensing unit directly on the display panel to sense a user input. A display device further includes a first driver to control driving of the display panel and a second driver to control driving of the input sensing unit. The frame period includes a display period and a blank period adjacent to the display period. The duration of the blank period may vary randomly during a set reference period.Type: ApplicationFiled: October 23, 2020Publication date: June 3, 2021Inventors: YongHwan SHIN, Hyo-Sang YANG
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Patent number: 11016622Abstract: A display device includes: a first touch electrode; a first touch pad electrically connected to the first touch electrode by a touch wire; and a first dummy pad not connected to the touch wire, and disposed adjacent to the first touch pad, wherein a width of the first touch pad is greater than a width of the first dummy pad.Type: GrantFiled: February 14, 2020Date of Patent: May 25, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyo-Sang Yang
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Publication number: 20200310594Abstract: A display device includes: a first touch electrode; a first touch pad electrically connected to the first touch electrode by a touch wire; and a first dummy pad not connected to the touch wire, and disposed adjacent to the first touch pad, wherein a width of the first touch pad is greater than a width of the first dummy pad.Type: ApplicationFiled: February 14, 2020Publication date: October 1, 2020Inventor: HYO-SANG YANG
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Patent number: 9691345Abstract: A dual-display device includes a flexible substrate comprising first and second surfaces opposing each other, the first surface comprising a first area and a second area, the flexible substrate being bent to allow the first and second areas of the first surface to face each other, the second surface comprising first and second areas opposing the first and second areas of the first surface, respectively. The device further includes a first display unit formed over the first area of the second surface of the bent flexible substrate, and realizing an image; a second display unit formed over second area that is opposite to the first area of the second surface of the bent flexible substrate, electrically connected to the first display unit via lines, and realizing another image; and a common driver unit electrically connected to a pad area that extends from the first display unit, and configured to transmit at least a signal to drive the first display unit and the second display unit.Type: GrantFiled: January 28, 2013Date of Patent: June 27, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jin-Oh Park, Dong-Wan Choi, Hyo-Sang Yang
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Thin film transistor array substrate and organic light-emitting display apparatus including the same
Patent number: 9263474Abstract: A thin film transistor array substrate includes an active area in which a plurality of pixels are formed; driver integrated circuits (DICs) disposed in a non-active area around the active area and configured to supply a driving signal to each of the plurality of pixels; power input units partially overlapping with the DICs, disposed below the DICs, and configured to supply power voltages to the active area; and a user key mounting area formed not to overlap with the DICs in the non-active area. The thin film transistor array substrate may be used for an organic light-emitting display apparatus.Type: GrantFiled: October 30, 2013Date of Patent: February 16, 2016Assignee: Samsung Display Co., Ltd.Inventors: Dong-Wan Choi, Jin-Oh Park, Hyo-Sang Yang, Hee-Kwon Eun -
Patent number: 9182784Abstract: A double-sided emission type display device includes a first substrate having a first connection and a first protruded portion extending in a first direction; a first display unit at the first substrate; a second substrate coupled to the first substrate, comprising a second connection and a second protruded portion extending in the first direction; a second display unit at the second substrate; and a first flexible printed circuit board (FPCB) including a first connecting portion coupled to the first connection and a second connecting portion coupled to the second connection.Type: GrantFiled: July 17, 2013Date of Patent: November 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hyo-Sang Yang, Jin-Oh Park, Dong-Wan Choi
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Patent number: 9142153Abstract: A two side display device includes: a flexible substrate including a first substrate part, a second substrate part under the first substrate part, and a bending part coupling the first substrate part to the second substrate part; a first display panel on the first substrate part and configured to display a first image in a first direction; a second display panel under the second substrate part and configured to display a second image in a second direction opposite the first direction; and a driving chip coupled to the first substrate part. According to exemplary embodiments, first and second display panels are positioned on the same surface of a flexible substrate and configured to display images in opposing directions by bending the flexible substrate, which may reduce the thickness and manufacturing cost of the two side display device.Type: GrantFiled: March 7, 2013Date of Patent: September 22, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jin-Oh Park, Dong-Wan Choi, Hyo-Sang Yang
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THIN FILM TRANSISTOR ARRAY SUBSTRATE AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS INCLUDING THE SAME
Publication number: 20150001478Abstract: A thin film transistor array substrate includes an active area in which a plurality of pixels are formed; driver integrated circuits (DICs) disposed in a non-active area around the active area and configured to supply a driving signal to each of the plurality of pixels; power input units partially overlapping with the DICs, disposed below the DICs, and configured to supply power voltages to the active area; and a user key mounting area formed not to overlap with the DICs in the non-active area. The thin film transistor array substrate may be used for an organic light-emitting display apparatus.Type: ApplicationFiled: October 30, 2013Publication date: January 1, 2015Applicant: Samsung Display Co., Ltd.Inventors: Dong-Wan Choi, Jin-Oh Park, Hyo-Sang Yang, Hee-Kwon Eun -
Publication number: 20140375597Abstract: A thin film transistor array substrate includes: an active area including a plurality of pixels; a driver integrated circuit in a non-active area around the active area and configured to supply a driving signal to the pixels; and a user input key positioned near the driver integrated circuit and configured to receive a user input.Type: ApplicationFiled: October 31, 2013Publication date: December 25, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Oh Park, Dong-Wan Choi, Hyo-Sang Yang, Hee-Kwon Eun
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Publication number: 20140139992Abstract: A double-sided emission type display device includes a first substrate having a first connection and a first protruded portion extending in a first direction; a first display unit at the first substrate; a second substrate coupled to the first substrate, comprising a second connection and a second protruded portion extending in the first direction; a second display unit at the second substrate; and a first flexible printed circuit board (FPCB) including a first connecting portion coupled to the first connection and a second connecting portion coupled to the second connection.Type: ApplicationFiled: July 17, 2013Publication date: May 22, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hyo-Sang Yang, Jin-Oh Park, Dong-Wan Choi
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Publication number: 20140118221Abstract: A two side display device includes: a flexible substrate including a first substrate part, a second substrate part under the first substrate part, and a bending part coupling the first substrate part to the second substrate part; a first display panel on the first substrate part and configured to display a first image in a first direction; a second display panel under the second substrate part and configured to display a second image in a second direction opposite the first direction; and a driving chip coupled to the first substrate part. According to exemplary embodiments, first and second display panels are positioned on the same surface of a flexible substrate and configured to display images in opposing directions by bending the flexible substrate, which may reduce the thickness and manufacturing cost of the two side display device.Type: ApplicationFiled: March 7, 2013Publication date: May 1, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Oh Park, Dong-Wan Choi, Hyo-Sang Yang
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Publication number: 20140049449Abstract: A dual-display device includes a flexible substrate comprising first and second surfaces opposing each other, the first surface comprising a first area and a second area, the flexible substrate being bent to allow the first and second areas of the first surface to face each other, the second surface comprising first and second areas opposing the first and second areas of the first surface, respectively. The device further includes a first display unit formed over the first area of the second surface of the bent flexible substrate, and realizing an image; a second display unit formed over second area that is opposite to the first area of the second surface of the bent flexible substrate, electrically connected to the first display unit via lines, and realizing another image; and a common driver unit electrically connected to a pad area that extends from the first display unit, and configured to transmit at least a signal to drive the first display unit and the second display unit.Type: ApplicationFiled: January 28, 2013Publication date: February 20, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Oh Park, Dong-Wan Choi, Hyo-Sang Yang
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Patent number: 8576210Abstract: A display apparatus is disclosed. The display includes a display panel, a signal transmitter, and a driving chip. The signal transmitter is electrically connected with the display panel at a first bonding region of the display panel and receives an input signal from the outside. Further, the driving chip is electrically connected with the display panel at a second bonding region of the display panel and outputs a driving signal in response to the input signal. Further, the signal transmitter includes a base layer, a first conductive layer that is electrically connected with the display panel, and a second conductive layer that covers the first bonding region and the second bonding region. The second conductive layer can block electro static discharge and electro magnetic interference, such that it is possible to prevent display quality of the display apparatus from being deteriorated.Type: GrantFiled: September 15, 2011Date of Patent: November 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyo-Sang Yang, Byung-Chang Shim, Dong-Wan Choi, Hee-Kwon Eun
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Publication number: 20120162201Abstract: A stereoscopic display apparatus is disclosed. In one embodiment, the apparatus includes: a display unit which includes left eye image areas displaying a left eye image and right eye image areas displaying a right eye image and a parallax barrier which keeps a predetermined distance from the display unit to face the display unit and includes slits transmitting light emitted from the display unit and barriers blocking the light emitted from the display unit, wherein the slits and the barriers are alternately formed at the parallax barrier. The apparatus may further include a vibrator which is combined with at least a part of the parallax barrier and expands and contracts in a direction in which the display unit emits the light.Type: ApplicationFiled: September 21, 2011Publication date: June 28, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Dong-Wan Choi, Hyo-Sang Yang, Byung-Chang Shim, Hee-Kwon Eun
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Publication number: 20120113084Abstract: A liquid crystal display (LCD) and a driving method thereof are disclosed. According to some aspects the liquid crystal display (LCD) includes: a display unit including a plurality of pixels arranged in a matrix, a gate line respectively connected to the plurality of pixel rows, and a data line respectively connected to a plurality of pixel columns. The LCD further includes a gate driver configured to generate and sequentially transmit a plurality of gate signals to a plurality of pixel rows through the gate line by row to turn on a switch included in the pixel. The LCD further includes a data driver configured to apply a data voltage according to an image data signal to the pixel during a period in which the switch is turned on; and a common voltage generator configured to generate and apply a common voltage having a polarity that is opposite to the polarity of the data voltage to the pixel.Type: ApplicationFiled: August 10, 2011Publication date: May 10, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Hyo-Sang Yang, Byung-Chang Shim, Dong-Wan Choi, Seo-Hee Ha, Hee-Kwon Eun
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Publication number: 20120113073Abstract: A display apparatus is disclosed. The display includes a display panel, a signal transmitter, and a driving chip. The signal transmitter is electrically connected with the display panel at a first bonding region of the display panel and receives an input signal from the outside. Further, the driving chip is electrically connected with the display panel at a second bonding region of the display panel and outputs a driving signal in response to the input signal. Further, the signal transmitter includes a base layer, a first conductive layer that is electrically connected with the display panel, and a second conductive layer that covers the first bonding region and the second bonding region. The second conductive layer can block electro static discharge and electro magnetic interference, such that it is possible to prevent display quality of the display apparatus from being deteriorated.Type: ApplicationFiled: September 15, 2011Publication date: May 10, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Hyo-Sang Yang, Byung-Chang Shim, Dong-Wan Choi, Hee-Kwon Eun