Patents by Inventor Woo Yong Sung
Woo Yong Sung 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: 8780313Abstract: The present invention relates to a liquid crystal display that maintains a more uniform cell gap and improves adherence between two display panels by improving adhesion between substrates and their bead spacers, as well as a manufacturing method thereof. An exemplary liquid crystal display includes: a first substrate and a second substrate facing each other; a bead spacer comprising a plurality of beads and a first adhesive coupling the beads to the first substrate; a second adhesive corresponding to the bead spacer and disposed on the second substrate so as to contact the bead spacer; and a liquid crystal layer disposed between the first substrate and the second substrate.Type: GrantFiled: February 17, 2012Date of Patent: July 15, 2014Assignee: Samsung Display Co., Ltd.Inventors: Woo Yong Sung, Tae Woon Cha, Jeong Ho Lee, Hyoung Wook Lee
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Publication number: 20140176847Abstract: A method of manufacturing a display device includes: providing an outline frame on a first substrate; and providing a thin film by dropping a thin film material inside a boundary defined by the outline frame. The outline frame limits a boundary of the thin film, and the frame material of the outline frame includes a material having a surface energy that is less than a surface energy of the thin film material of the thin film.Type: ApplicationFiled: April 4, 2013Publication date: June 26, 2014Applicant: Samsung Display Co., Ltd.Inventors: Woo Yong SUNG, Jeong Ho LEE, Cha-Dong KIM, Tae Woon CHA
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Publication number: 20140160419Abstract: A display device and a method of manufacturing the display device are provided. Moisture may be prevented from penetrating into the display device. The display device includes a substrate including a pixel area. A thin film transistor is formed on the substrate. A pixel electrode is connected to the thin film transistor and formed in the pixel area. A roof layer is formed on the pixel electrode. The roof layer is separated from the pixel electrode via a microcavity. A liquid crystal layer fills the microcavity. A liquid crystal injection hole is formed in the roof layer and exposes a portion of the microcavity. An encapsulation layer is formed on the roof layer. The encapsulation layer covers the liquid crystal injection hole and seals the microcavity for the pixel area. The encapsulation layer includes a multilayer structure.Type: ApplicationFiled: April 11, 2013Publication date: June 12, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: A RAM LEE, WOO YONG SUNG, TAE GYUN KIM, SEUNG-YEON CHAE, SANG GUN CHOI, TAE WOON CHA
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Publication number: 20140085585Abstract: A display apparatus includes an array substrate that includes a display area including a pixel and a non-display area adjacent to the display area, an opposite substrate facing the array substrate, a liquid crystal layer disposed between the array substrate and the opposite substrate, and a signal input pad electrically connected to the pixel to apply an external input signal to the pixel. Each of the array substrate and the opposite substrate has an inner surface facing the liquid crystal layer and an outer surface opposite to the respective inner surface, and the signal input pad is disposed on the outer surface of either the array substrate or the opposite substrate.Type: ApplicationFiled: March 11, 2013Publication date: March 27, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Woo Yong SUNG, Jeongho LEE, Taewoon CHA, Sang Youn HAN
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Publication number: 20140063424Abstract: A display device includes a lower display panel, an upper display panel facing the lower display panel, a metal oxide layer surrounding outermost surfaces of the upper display panel and the lower display panel, and a barrier layer surrounding the metal oxide layer. The barrier layer includes a self-assembled monolayer.Type: ApplicationFiled: January 7, 2013Publication date: March 6, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Woo Yong SUNG, A. Ram LEE, Tae Woon CHA, Sang Youn HAN
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Publication number: 20140028925Abstract: A manufacturing method of a liquid crystal display includes: providing a thin film transistor on a substrate; providing a pixel electrode connected to the thin film transistor; providing a microcavity layer including a liquid crystal material on the pixel electrode; providing a supporting member layer on the microcavity layer; patterning the supporting member layer to form a plurality of recess portions therein; and providing a plurality of touch signal lines for transmitting a touch signal in the plurality of recess portions.Type: ApplicationFiled: November 29, 2012Publication date: January 30, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Gun CHOI, Woo Yong SUNG, Tae Woon CHA
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Publication number: 20140028956Abstract: A display panel includes an array substrate, an opposite substrate facing the array substrate, and a liquid crystal layer between the substrates. The array substrate includes a first polarizer, a first insulating layer covering the first metal layer, a gate electrode on the first insulating layer, a gate insulation layer on the gate electrode, a channel layer on the gate insulation layer, source and drain electrodes on the channel layer, a protecting layer covering the source and drain electrodes and including a contact hole exposing the drain electrode, and a first electrode on the protecting layer and electrically connected to the drain electrode through the contact hole. The first polarizer includes a first substrate, a first antistatic layer on the first substrate and including a conductive material, and a first metal layer on the first antistatic layer and including a plurality of protrusions which form a wire grid pattern.Type: ApplicationFiled: January 4, 2013Publication date: January 30, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Gun CHOI, Woo-Yong SUNG, Tae-Woon CHA
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Publication number: 20140023778Abstract: A touch screen substrate includes an insulation ball formed on a substrate having a first diameter, a sensing electrode formed on the substrate, and a conductive ball formed on the sensing electrode having a second diameter shorter than the first diameter. A cell gap spacer for maintaining a cell gap of a touch screen panel and a spacer for electrically connecting a lower substrate with an upper substrate of the touch screen panel may be formed via a single spraying process.Type: ApplicationFiled: September 25, 2013Publication date: January 23, 2014Applicant: Samsung Display Co., Ltd.Inventors: Woo-Yong Sung, Tae-Woon Cha, Tae-Gyun Kim
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Publication number: 20130342607Abstract: An inkjet print head includes a jet assembly, a printed-circuit board and a barrier coating film. The jet assembly includes a nozzle plate including a jet orifice in a lower surface of the nozzle plate and through which ink is discharged, and an ink transfer pathway inside nozzle plate. The printed-circuit board is combined with the jet assembly. The printed-circuit board includes an integrated circuit and a connection electrode. The barrier coating film includes organic material, a flexible layer and a hydrophobic layer. The barrier coating film covers an inner and an outer surface of the jet assembly, and an outer surface of the printed-circuit board. The barrier coating film exposes the lower surface of the nozzle plate and an outer surface of the connection electrode.Type: ApplicationFiled: November 17, 2012Publication date: December 26, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Woo-Yong SUNG, A-Ram LEE, Tae-Gyun KIM, Tae-Woon CHA, Sang-Gun CHOI
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Publication number: 20130335804Abstract: A method of manufacturing an electrowetting display device includes a preliminary partition wall pattern formed on a lower substrate on which a pixel electrode of an oxide series and an insulation layer are formed. The preliminary partition wall pattern is disposed along a boundary of the pixel electrode. A water-repellent layer including a self-assembled monolayer having a hydrophobic property is formed on the lower substrate. A portion of the preliminary partition wall pattern and the water-repellent layer formed on the preliminary partition wall pattern are removed to form a partition wall pattern on the insulation layer and to form a water-repellent pattern on the pixel electrode and the insulation layer between partition walls of the partition wall patterns. A fluid layer is formed on the lower substrate on which the water-repellent pattern is formed. The lower substrate and an upper substrate are combined with each other.Type: ApplicationFiled: November 23, 2012Publication date: December 19, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Woo-Yong SUNG, A-Ram Lee, Tae-Gyun Kim, Tae-Woon Cha, Sang-Gun Choi
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Publication number: 20130335483Abstract: An inkjet print head includes a jet assembly which includes a nozzle plate, the nozzle plate including an ink transferring path on a bottom surface of the nozzle plate, and a jet jetting a transferred ink out of the head. A printed circuit substrate is connected to the jet assembly and includes an integrated circuit and a connection electrode. A barrier coating layer covers a surface of the printed circuit substrate and an inner surface and an outer surface of the jet assembly except a bottom surface of the nozzle plate and a surface of the connection electrode of the jet assembly and the printed circuit substrate being connected with each other. The barrier coating layer has a layered structure which includes a flexible layer, a diffusion barrier layer, and a hydrophobic layer.Type: ApplicationFiled: October 17, 2012Publication date: December 19, 2013Applicant: Samsung Display Co., Ltd.Inventors: Woo-Yong SUNG, A-Ram Lee, Tae-Woon Cha, Tae-Gyun Kim, Hyoung Sub Lee, Seung-Yeon Chae, Sang Gun Choi
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Publication number: 20130329274Abstract: An electrowetting display includes first and second substrates facing each other, an electrowetting layer, a first electrode, a second electrode, and a hydrophobic barrier layer. The electrowetting layer is disposed between the first substrate and the second substrate and includes a first fluid and a second fluid, and the first fluid has an electrical conductivity or a polarity. The first electrode is disposed on the first substrate, and the second electrode forms an electric field in cooperation with the first electrode to control a position of the first fluid. The hydrophobic barrier layer is disposed between the first substrate and the electrowetting layer to cover the first electrode and includes a first surface making contact with the first electrode and a second surface having a hydrophobicity stronger than a hydrophobicity of the first surface and making contact with the electrowetting layer.Type: ApplicationFiled: February 5, 2013Publication date: December 12, 2013Applicant: Samsung Display Co., Ltd.Inventors: SungHoon Yang, Woo Yong Sung
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Patent number: 8596762Abstract: An inkjet printer head including a nozzle part, a driving part, a printing liquid supplying part, an adhesive and a leak preventing part. The nozzle part includes a first surface and a second surface opposite the first surface. A nozzle is formed in the first surface sprays a printing liquid. A receiving hole is formed in the second surface receives the printing liquid. The driving part is disposed on the second surface of the nozzle part and drives the nozzle part. The printing liquid supplying part supplies the printing liquid to the nozzle part. The adhesive bonds the printing liquid supplying part onto the second surface. The receiving hole is formed in the second surface. The leak preventing part is disposed between the printing liquid supplying part and the driving part. The leak preventing part is formed to cover an exposed surface of the adhesive.Type: GrantFiled: July 24, 2012Date of Patent: December 3, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jeong-Ho Lee, Woo-Yong Sung, Tae-Woon Cha
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Publication number: 20130300775Abstract: An electrowetting display device including a display panel that includes a display area in which a plurality of pixels is partitioned by a partition wall and a non-display area, a data driver that applies data voltages to the pixels through a plurality of data lines, and a gate driver disposed in the non-display area to apply gate signals to the pixels through a plurality of gate lines. The pixels receive the data voltages in response to the gate signals and display gray scales corresponding to the data voltages, and the partition wall is extended in the non-display area to cover the gate driver.Type: ApplicationFiled: February 12, 2013Publication date: November 14, 2013Applicant: Samsung Display Co., Ltd.Inventors: SangGun CHOI, TaeGyun Kim, Hyoungsub Lee, Woo Yong Sung, TaeWoon Cha
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Patent number: 8580352Abstract: A method of manufacturing a touch screen substrate includes forming a sensing electrode on a substrate, spraying a first ink and a second ink having a same amount of ink as the first ink to respectively form a first ink droplet and a second ink droplet on a light blocking region of the substrate, and irradiating a first light upon the first ink droplet to form a first spacer having a first height and a second light upon the second ink droplet to form a second spacer having a second height lower than the first height. A total energy of the first light irradiated upon the first ink droplet differs from a total energy of the second light irradiated upon the second ink droplet, and the second spacer makes contact with the sensing electrode.Type: GrantFiled: October 21, 2010Date of Patent: November 12, 2013Assignee: Samsung Display Co., Ltd.Inventors: Woo-Yong Sung, Tae-Woon Cha, Tae-Gyun Kim
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Publication number: 20130175505Abstract: A thin film transistor (“TFT”) includes a gate electrode, a gate insulating layer, a source electrode, a drain electrode and a semiconductor layer. The gate insulating layer is disposed on the gate electrode. The source electrode is disposed on the gate insulating layer. The drain electrode is disposed on the gate insulating layer. The drain electrode is spaced apart from the source electrode. The semiconductor layer is disposed on the gate insulating layer. The semiconductor layer makes contact with a side surface of the source electrode and a side surface of the drain electrode.Type: ApplicationFiled: August 14, 2012Publication date: July 11, 2013Inventors: Woo-Yong SUNG, Dong-Hwan KIM, Jeong-Ho LEE, Tae-Woon CHA, Sang-Gun CHOI
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Publication number: 20130127951Abstract: An inkjet printer head including a nozzle part, a driving part, a printing liquid supplying part, an adhesive and a leak preventing part. The nozzle part includes a first surface and a second surface opposite the first surface. A nozzle is formed in the first surface sprays a printing liquid. A receiving hole is formed in the second surface receives the printing liquid. The driving part is disposed on the second surface of the nozzle part and drives the nozzle part. The printing liquid supplying part supplies the printing liquid to the nozzle part. The adhesive bonds the printing liquid supplying part onto the second surface. The receiving hole is formed in the second surface. The leak preventing part is disposed between the printing liquid supplying part and the driving part. The leak preventing part is formed to cover an exposed surface of the adhesive.Type: ApplicationFiled: July 24, 2012Publication date: May 23, 2013Applicant: Samsung Display Co., Ltd.Inventors: Jeong-Ho Lee, Woo-Yong Sung, Tae-Woon Cha
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Patent number: 8368865Abstract: A display panel includes a first substrate, a second substrate facing the first substrate, and a pixel disposed on either the first substrate or the second substrate. When an electrode is formed, a portion of the electrode is removed to form a spacer area and a droplet including a bead spacer mixed with a solvent is provided in the spacer area. Then, the solvent is vaporized to move the bead spacer to a center of the spacer area. The second substrate is provided to face the first substrate while interposing the bead spacer therebetween. The spacer area has a dimension equal to or greater than a diameter of the droplet.Type: GrantFiled: September 23, 2010Date of Patent: February 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jeongho Lee, Woo Yong Sung, Taewoon Cha, TaeGyun Kim, Sanggun Choi, Jihyun Bae, Hyoung Wook Lee
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Publication number: 20120326172Abstract: Provided is a liquid crystal display including: a first substrate; a thin film transistor disposed on the first substrate; a passivation layer disposed on the thin film transistor and comprising a contact hole exposing an electrode of the thin film transistor; a pixel electrode disposed on the passivation layer and connected to the electrode of the thin film transistor through the contact hole; a lower buffer layer disposed on the pixel electrode; a lower alignment layer disposed on the lower buffer layer; a second substrate facing the first substrate; a common electrode disposed on the second substrate; an upper buffer layer disposed on the common electrode; and an upper alignment layer disposed on the upper buffer layer, in which the lower buffer layer comprises parylene, the upper buffer layer comprises parylene, or both the lower and the upper buffer layers comprise parylene.Type: ApplicationFiled: January 30, 2012Publication date: December 27, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo Yong SUNG, Tae Woon CHA, Jeong Ho LEE, Sang Gun CHOI, Hyoung Wook LEE
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Publication number: 20120236236Abstract: The present invention relates to a liquid crystal display that maintains a more uniform cell gap and improves adherence between two display panels by improving adhesion between substrates and their bead spacers, as well as a manufacturing method thereof. An exemplary liquid crystal display includes: a first substrate and a second substrate facing each other; a bead spacer comprising a plurality of beads and a first adhesive coupling the beads to the first substrate; a second adhesive corresponding to the bead spacer and disposed on the second substrate so as to contact the bead spacer; and a liquid crystal layer disposed between the first substrate and the second substrate.Type: ApplicationFiled: February 17, 2012Publication date: September 20, 2012Inventors: Woo Yong SUNG, Tae Woon Cha, Jeong Ho Lee, Hyoung Wook Lee