Patents by Inventor Hyo-Sung Hong
Hyo-Sung Hong 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: 20230200121Abstract: A display device includes a display unit including: a plurality of light emitting diodes; a touch unit disposed on the display unit and including a touch conductive layer of a mesh type; and a reflection preventing unit disposed on the touch unit and including a polarization layer. The touch conductive layer includes a plurality of first conductive lines extending in a first direction and a plurality of second conductive lines extending in a second direction crossing the first direction, and an angle between the second direction and an absorption axis of the polarization layer is about 5±10°.Type: ApplicationFiled: December 21, 2022Publication date: June 22, 2023Inventors: Duk Jin LEE, Beong-Hun BEON, Tae Yong EOM, Hyo Sung HONG
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Publication number: 20220367840Abstract: A light emitting display device includes a display panel including a light emitting area and a non-light emitting area; a phase delay layer disposed on the display panel; and a polarizer and an additional polarizer disposed on the phase delay layer. The display panel includes a transistor disposed on a substrate, an organic film overlapping the transistor and including an opening, a first electrode, an emission layer disposed on the first electrode and disposed corresponding to the light emitting area, and a second electrode disposed, the first electrode, the emission layer, and the second electrode form a light emitting diode (LED), the additional polarizer includes a polarization portion overlapping the opening of the organic film in a plan view and a non-polarization portion disposed in a region where the polarization portion is not disposed, and the polarization portion is disposed in a portion of the non-light emitting area.Type: ApplicationFiled: December 29, 2021Publication date: November 17, 2022Applicant: Samsung Display Co., LTD.Inventors: Duk Jin LEE, Beong-Hun BEON, Hyo Sung HONG
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Publication number: 20220236470Abstract: An optical film comprises a polarizing layer, a first optical compensation layer that is disposed under the polarizing layer and is a biaxial plate, a second optical compensation layer that is disposed under the first optical compensation layer and is a quarter wave plate, and a third optical compensation layer that is disposed under the second optical compensation layer and is a positive C plate. The first optical compensation layer has an optical axis angle of 86 to 94 degrees with respect to a transmission axis of the polarizing layer.Type: ApplicationFiled: December 21, 2021Publication date: July 28, 2022Inventors: HYO SUNG HONG, BEONG HUN BEON, DUK JIN LEE, WOO SUK JUNG
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Patent number: 10234717Abstract: A method of attaching a polarizer includes preparing a first stage on which a display panel is disposed and a second stage on which a first polarizer is disposed, measuring a shape of a curl of the first polarizer; determining an attachment direction of the first polarizer with respect to the display panel based on the measured curl shape of the first polarizer and attaching the first polarizer to a first surface of the display panel by rotating at least one of the first stage and the second stage based on the determined attachment direction.Type: GrantFiled: August 1, 2016Date of Patent: March 19, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwan Young Na, Sang Jae Kim, Jung Hun Lee, Hyo Sung Hong
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Cholesteric liquid crystal reflective polarizing plate and liquid crystal display including the same
Patent number: 10216040Abstract: A cholesteric liquid crystal reflective polarizing plate includes a cholesteric liquid crystal layer and a ?/4 compensation layer disposed on the cholesteric liquid crystal layer. The cholesteric liquid crystal layer includes a first left-handed circularly polarizing portion which extends in a first direction that include a left-handed cholesteric liquid crystal material, and a first right-handed circularly polarizing portion which extends in the first direction adjacent to first left-handed circularly polarizing portion and that includes a right-handed cholesteric liquid crystal material. The ?/4 compensation layer includes a first ?/4 compensation pattern which extends in the first direction and overlapping the first left-handed circularly polarizing portion, and a second ?/4 compensation pattern which extends in the first direction adjacent to the first ?/4 compensation pattern and overlaps the first right-handed circularly polarizing portion.Type: GrantFiled: May 29, 2015Date of Patent: February 26, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hye Kim, Kwang Hyun Kim, Sang Jae Kim, Teck Soo Kim, Gwan Young Na, Hyoung Joo Lee, Seon Ah Cho, Hyo Sung Hong -
Patent number: 10025140Abstract: Disclosed is a liquid crystal display, including: a first substrate and a second substrate, which face each other; a color filter disposed on the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a first polarizing plate disposed outside the first substrate; a first compensation film disposed outside the first polarizing plate; a second compensation film disposed outside the second substrate; and a second polarizing plate disposed outside the second compensation film, in which the second compensation film includes a biaxial film, and the first substrate and the second substrate include a poly-amide (PA) having an optical characteristic of a negative C-plate.Type: GrantFiled: September 28, 2015Date of Patent: July 17, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Hoon Kim, Sang-Gu Lee, Seung Hee Lee, Hyo Sung Hong, Dae Won Kim
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Publication number: 20170212383Abstract: A method of attaching a polarizer includes preparing a first stage on which a display panel is disposed and a second stage on which a first polarizer is disposed, measuring a shape of a curl of the first polarizer; determining an attachment direction of the first polarizer with respect to the display panel based on the measured curl shape of the first polarizer and attaching the first polarizer to a first surface of the display panel by rotating at least one of the first stage and the second stage based on the determined attachment direction.Type: ApplicationFiled: August 1, 2016Publication date: July 27, 2017Inventors: Gwan Young NA, Sang Jae KIM, Jung Hun LEE, Hyo Sung HONG
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Publication number: 20160299371Abstract: Disclosed is a liquid crystal display, including: a first substrate and a second substrate, which face each other; a color filter disposed on the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a first polarizing plate disposed outside the first substrate; a first compensation film disposed outside the first polarizing plate; a second compensation film disposed outside the second substrate; and a second polarizing plate disposed outside the second compensation film, in which the second compensation film includes a biaxial film, and the first substrate and the second substrate include a poly-amide (PA) having an optical characteristic of a negative C-plate.Type: ApplicationFiled: September 28, 2015Publication date: October 13, 2016Inventors: Ji-Hoon KIM, Sang-Gu LEE, Seung Hee LEE, Hyo Sung HONG, Dae Won KIM
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Patent number: 9436034Abstract: A display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer, a second polarizer and a viewing angle control layer. The second substrate faces the first substrate. A liquid crystal layer is disposed between the first substrate and the second substrate. A first polarizer is disposed on a lower surface of the first substrate and includes a first polarizing layer and a second polarizing layer stacked on each other. A second polarizer is disposed on an upper surface of the second substrate. A viewing angle control layer is disposed on the first polarizer and is configured to control a viewing angle of a column direction of the display panel.Type: GrantFiled: September 4, 2013Date of Patent: September 6, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Jae Kim, Boo-Kan Ki, Ji-Hye Kim, Hee-Wook Do, Jae-Won Park, Duck-Jong Suh, Jung-Hun Lee, Hyoung-Joo Lee, Seon-Ah Cho, Hyo-Sung Hong
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CHOLESTERIC LIQUID CRYSTAL REFLECTIVE POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME
Publication number: 20160223730Abstract: A cholesteric liquid crystal reflective polarizing plate includes a cholesteric liquid crystal layer and a ?/4 compensation layer disposed on the cholesteric liquid crystal layer. The cholesteric liquid crystal layer includes a first left-handed circularly polarizing portion which extends in a first direction that include a left-handed cholesteric liquid crystal material, and a first right-handed circularly polarizing portion which extends in the first direction adjacent to first left-handed circularly polarizing portion and that includes a right-handed cholesteric liquid crystal material. The ?/4 compensation layer includes a first ?/4 compensation pattern which extends in the first direction and overlapping the first left-handed circularly polarizing portion, and a second ?/4 compensation pattern which extends in the first direction adjacent to the first ?/4 compensation pattern and overlaps the first right-handed circularly polarizing portion.Type: ApplicationFiled: May 29, 2015Publication date: August 4, 2016Inventors: JI HYE KIM, Kwang Hyun Kim, Sang Jae Kim, Teck Soo Kim, Gwan Young Na, Hyoung Joo Lee, Seon Ah Cho, Hyo Sung Hong -
Publication number: 20160161786Abstract: Provided is a liquid crystal display panel including a thin-film transistor (TFT) array substrate and a first phase difference film. A liquid crystal layer is disposed between the TFT array substrate and the first phase difference film. A second phase difference film is disposed on the first phase difference film. A phase retardation value of the first phase difference film in a thickness direction is in a range of from about 100 nm to about 300 nm.Type: ApplicationFiled: June 26, 2015Publication date: June 9, 2016Inventors: Hyo Sung HONG, Ji Hoon Kim, Teck Soo Kim, Kwang Hyun Kim, Sang Jae Kim, Ji Hye Kim, Gwan Young Na, Hyoung Joo Lee, Seon Ah Cho
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Patent number: 9195096Abstract: A liquid crystal display apparatus includes a first substrate, a second substrate disposed opposite to the first substrate, a liquid crystal layer and a phase difference compensation film disposed on the first substrate, where the phase difference compensation film includes a fluorine resin.Type: GrantFiled: March 7, 2014Date of Patent: November 24, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Gu Lee, Seung-Beom Park, Na-Young Shin, Jung-Hun Lee, Kyung-Hwan Jeon, Hyo-Sung Hong
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Publication number: 20150070638Abstract: A liquid crystal display apparatus includes a first substrate, a second substrate disposed opposite to the first substrate, a liquid crystal layer and a phase difference compensation film disposed on the first substrate, where the phase difference compensation film includes a fluorine resin.Type: ApplicationFiled: March 7, 2014Publication date: March 12, 2015Applicant: Samsung Display Co., Ltd.Inventors: Sang-Gu LEE, Seung-Beom PARK, Na-Young SHIN, Jung-Hun LEE, Kyung-Hwan JEON, Hyo-Sung HONG
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Publication number: 20140146273Abstract: A display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer, a second polarizer and a viewing angle control layer. The second substrate faces the first substrate. A liquid crystal layer is disposed between the first substrate and the second substrate. A first polarizer is disposed on a lower surface of the first substrate and includes a first polarizing layer and a second polarizing layer stacked on each other. A second polarizer is disposed on an upper surface of the second substrate. A viewing angle control layer is disposed on the first polarizer and is configured to control a viewing angle of a column direction of the display panel.Type: ApplicationFiled: September 4, 2013Publication date: May 29, 2014Applicant: Samsung Display Co., Ltd.Inventors: SANG-JAE KIM, Boo-Kan Ki, Ji-Hye Kim, Hee-Wook Do, Jae-Won Park, Duck-Jong Suh, Jung-Hun Lee, Hyoung-Joo Lee, Seon-Ah Cho, Hyo-Sung Hong