Patents by Inventor Dong-Yeol YEOM
Dong-Yeol YEOM 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: 20240004490Abstract: A display device includes a display panel, a touch sensing layer which is disposed on a first surface of the display panel and senses a touch input of a user, a first vibration device which is disposed on a second surface of the display panel and generates vibration according to driving voltages. The first vibration device generates a first vibration in response to a first touch input of the user to provide a first haptic feedback.Type: ApplicationFiled: September 19, 2023Publication date: January 4, 2024Inventors: Dong Yeol YEOM, Jung Ho MYUNG, Min Jeung LEE, Se Ryun LEE
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Patent number: 11809651Abstract: A display device includes a display panel, a touch sensing layer which is disposed on a first surface of the display panel and senses a touch input of a user, a first vibration device which is disposed on a second surface of the display panel and generates vibration according to driving voltages. The first vibration device generates a first vibration in response to a first touch input of the user to provide a first haptic feedback.Type: GrantFiled: August 9, 2021Date of Patent: November 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Yeol Yeom, Jung Ho Myung, Min Jeung Lee, Se Ryun Lee
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Patent number: 11551639Abstract: A display device includes a display panel having a display region, and including a light transmission region overlapping an electronic element within an edge portion of the display region, and a panel driver configured to drive the display panel, and configured to perform an edge-dimming operation that gradually decreases a luminance of an area of the display region excluding the light transmission region from a center portion of the display region to the edge portion of the display region while not decreasing a luminance of the light transmission region.Type: GrantFiled: January 7, 2021Date of Patent: January 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Bo-Kyung Choi, Youngseok Kim, Han-Na Ma, Dong-Yeol Yeom
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Patent number: 11499077Abstract: A double-sided tape including: a first adhesive layer including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black; a foamed polymer layer disposed on the first adhesive layer, including a urethane foam; an interlayer polymer layer disposed on the foamed polymer layer, including a polyolefin (PO), polyethylene terephthalate (PET), a polyester, or a combination thereof; and a second adhesive layer disposed on the interlayer polymer layer, including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black, wherein an overall thickness of the double-sided tape is in a range of about 0.4 millimeters to about 1.3 millimeters.Type: GrantFiled: December 27, 2018Date of Patent: November 15, 2022Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Se Ki Park, Dong Yeol Yeom, Mariko Noda, Satoshi Doi, Shigeki Matsuki, Yuki Iwai, Tomoya Kawamoto
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Publication number: 20210373694Abstract: A display device includes a display panel, a touch sensing layer which is disposed on a first surface of the display panel and senses a touch input of a user, a first vibration device which is disposed on a second surface of the display panel and generates vibration according to driving voltages. The first vibration device generates a first vibration in response to a first touch input of the user to provide a first haptic feedback.Type: ApplicationFiled: August 9, 2021Publication date: December 2, 2021Inventors: Dong Yeol YEOM, Jung Ho MYUNG, Min Jeung LEE, Se Ryun LEE
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Patent number: 11086431Abstract: A display device includes a display panel, a touch sensing layer which is disposed on a first surface of the display panel and senses a touch input of a user, a first vibration device which is disposed on a second surface of the display panel and generates vibration according to driving voltages. The first vibration device generates a first vibration in response to a first touch input of the user to provide a first haptic feedback.Type: GrantFiled: January 6, 2020Date of Patent: August 10, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Yeol Yeom, Jung Ho Myung, Min Jeung Lee, Se Ryun Lee
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Publication number: 20210241719Abstract: A display device includes a display panel having a display region, and including a light transmission region overlapping an electronic element within an edge portion of the display region, and a panel driver configured to drive the display panel, and configured to perform an edge-dimming operation that gradually decreases a luminance of an area of the display region excluding the light transmission region from a center portion of the display region to the edge portion of the display region while not decreasing a luminance of the light transmission region.Type: ApplicationFiled: January 7, 2021Publication date: August 5, 2021Inventors: Bo-Kyung CHOI, Youngseok KIM, Han-Na MA, Dong-Yeol YEOM
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Publication number: 20200241678Abstract: A display device includes a display panel, a touch sensing layer which is disposed on a first surface of the display panel and senses a touch input of a user, a first vibration device which is disposed on a second surface of the display panel and generates vibration according to driving voltages. The first vibration device generates a first vibration in response to a first touch input of the user to provide a first haptic feedback.Type: ApplicationFiled: January 6, 2020Publication date: July 30, 2020Inventors: Dong Yeol YEOM, Jung Ho MYUNG, Min Jeung LEE, Se Ryun LEE
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Publication number: 20190194511Abstract: A double-sided tape including: a first adhesive layer including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black; a foamed polymer layer disposed on the first adhesive layer, including a urethane foam; an interlayer polymer layer disposed on the foamed polymer layer, including a polyolefin (PO), polyethylene terephthalate (PET), a polyester, or a combination thereof; and a second adhesive layer disposed on the interlayer polymer layer, including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black, wherein an overall thickness of the double-sided tape is in a range of about 0.4 millimeters to about 1.3 millimeters.Type: ApplicationFiled: December 27, 2018Publication date: June 27, 2019Inventors: Se Ki PARK, Dong Yeol YEOM, Mariko NODA, Satoshi DOI, Shigeki MATSUKI, Yuki IWAI, Tomoya KAWAMOTO
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Patent number: 10330846Abstract: A light guide panel includes a top surface configured to have first and second sides extending in X- and Y-axis directions, respectively, a bottom surface configured to be disposed opposite to the top surface, and includes a base surface, and a plurality of diffusion patterns which is provided to protrude from, or to be recessed into, the base surface, and each of the plurality of diffusion patterns including a first inclined surface which defines a first inclination angle with the base surface and a second inclined surface which adjoins the first inclined surface and defines a second inclination angle with the base surface, and a first side surface and a second side surface configured to be disposed between the top surface and the bottom surface and face each other, where the first inclination angle ranges from about 1.8 degrees to about 5.7 degrees.Type: GrantFiled: August 29, 2018Date of Patent: June 25, 2019Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Se Ki Park, Sang Woo Ha, Jun Woo You, Ha Young Lee, Yu Dong Kim, Dong Yeol Yeom, Seung Hwan Chung
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Publication number: 20180372942Abstract: A light guide panel includes a top surface configured to have first and second sides extending in X- and Y-axis directions, respectively, a bottom surface configured to be disposed opposite to the top surface, and includes a base surface, and a plurality of diffusion patterns which is provided to protrude from, or to be recessed into, the base surface, and each of the plurality of diffusion patterns including a first inclined surface which defines a first inclination angle with the base surface and a second inclined surface which adjoins the first inclined surface and defines a second inclination angle with the base surface, and a first side surface and a second side surface configured to be disposed between the top surface and the bottom surface and face each other, where the first inclination angle ranges from about 1.8 degrees to about 5.7 degrees.Type: ApplicationFiled: August 29, 2018Publication date: December 27, 2018Inventors: Se Ki PARK, Sang Woo HA, Jun Woo YOU, Ha Young LEE, Yu Dong KIM, Dong Yeol YEOM, Seung Hwan CHUNG
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Patent number: 10088621Abstract: A light guide panel includes a top surface configured to have first and second sides extending in X- and Y-axis directions, respectively, a bottom surface configured to be disposed opposite to the top surface, and includes a base surface, and a plurality of diffusion patterns which is provided to protrude from, or to be recessed into, the base surface, and each of the plurality of diffusion patterns including a first inclined surface which defines a first inclination angle with the base surface and a second inclined surface which adjoins the first inclined surface and defines a second inclination angle with the base surface, and a first side surface and a second side surface configured to be disposed between the top surface and the bottom surface and face each other, where the first inclination angle ranges from about 1.8 degrees to about 5.7 degrees.Type: GrantFiled: April 27, 2014Date of Patent: October 2, 2018Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Se Ki Park, Sang Woo Ha, Jun Woo You, Ha Young Lee, Yu Dong Kim, Dong Yeol Yeom, Seung Hwan Chung
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Patent number: 9995869Abstract: A backlight unit includes a light conversion member; a light guide plate including a light exit surface, a rear surface facing the light exiting surface, and connection surfaces including a first surface and a second surface facing each other to connect the light exit surface and the rear surface; a reflective member; and a light source emitting a first color light incident to the first surface and a portion of the first color light reaches the second surface on which the reflective member is disposed to specularly reflect the portion of the first color light. The light conversion member is disposed on the light exit surface, receives the first color light from the light guide plate, and emits a second color light different from the first color light.Type: GrantFiled: June 12, 2015Date of Patent: June 12, 2018Assignee: Samsung Display Co., Ltd.Inventors: Dong-Yeol Yeom, Youngjun Choi, Jinsook Bang
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Patent number: 9513429Abstract: The high intensity light output of edge lighting point light sources such as LEDs may generate undesired leakage light that is optically conducted by way of a continuum of the material of a components affixing adhesive member. In accordance with present disclosure, air filled grooves or other such discontinuities are formed in the adhesive member along respective light output pathways of the respective point light sources. One corresponding embodiment comprises spaced apart LEDs mounted on an FPCB; a light guide plate (LGP) disposed adjacent to the LEDs; a main support accommodating the LEDs and the LGP; and an adhesive member formed to affix together the FPCB, the main support, and the light guide, wherein the adhesive member is patterned to define air filled grooves along respective light output pathways of the LEDs.Type: GrantFiled: March 14, 2014Date of Patent: December 6, 2016Assignee: Samsung Display Co., Ltd.Inventors: Dong-Yeol Yeom, Sun Hee Oh, Rae Young Kim, Taek-Sun Shin, Kwang-Wook Choi
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Patent number: 9477117Abstract: A backlight unit which provides light to a liquid crystal display panel of a liquid crystal display. The backlight unit includes an optical lens module including an optical lens disposed above a point light source and configured to refract light output from the point light source, and a reflective polarization layer disposed directly on the optical lens and configured to separate polarization components of the light to transmit one polarization component and reflect another polarization component.Type: GrantFiled: December 16, 2013Date of Patent: October 25, 2016Assignee: Samsung Display Co., Ltd.Inventors: Seung Hwan Chung, Dong-Yeol Yeom, Joong Hyun Kim, Jin Sook Bang, Sang Woo Ha
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Publication number: 20160109641Abstract: A backlight unit includes a light conversion member; a light guide plate including a light exit surface, a rear surface facing the light exiting surface, and connection surfaces including a first surface and a second surface facing each other to connect the light exit surface and the rear surface; a reflective member; and a light source emitting a first color light incident to the first surface and a portion of the first color light reaches the second surface on which the reflective member is disposed to specularly reflect the portion of the first color light. The light conversion member is disposed on the light exit surface, receives the first color light from the light guide plate, and emits a second color light different from the first color light.Type: ApplicationFiled: June 12, 2015Publication date: April 21, 2016Inventors: Dong-Yeol YEOM, Youngjun CHOI, Jinsook BANG
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Patent number: D969798Type: GrantFiled: April 3, 2019Date of Patent: November 15, 2022Assignee: Samsung Display Co., Ltd.Inventors: Young Seok Kim, Han-Na Ma, Dong-Yeol Yeom, Chung Hui Lee
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Patent number: D982574Type: GrantFiled: April 3, 2019Date of Patent: April 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Young Seok Kim, Han-Na Ma, Dong-Yeol Yeom, Chung Hui Lee
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Patent number: D983194Type: GrantFiled: April 3, 2019Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Young Seok Kim, Han-Na Ma, Dong-Yeol Yeom, Chung Hui Lee
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Patent number: D1016803Type: GrantFiled: October 7, 2022Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Young Seok Kim, Han-Na Ma, Dong-Yeol Yeom, Chung Hui Lee