Patents by Inventor Se-Ki Park
Se-Ki Park 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: 11949046Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.Type: GrantFiled: August 6, 2021Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Hun Kim, Chang Hee Lee, Yun Hyuk Ko, Duk Ki Kim, Jun Woo Park, Soo Ho Lee, Jae Kook Ha, Yun Ku Jung
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Patent number: 11943946Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.Type: GrantFiled: November 23, 2020Date of Patent: March 26, 2024Assignee: LG Display Co., Ltd.Inventors: Wook Song, Eun-Jung Park, Chun-Ki Kim, Se-Ung Kim
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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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Patent number: 10642080Abstract: A display device includes a first substrate defining a top surface thereof, a bottom surface thereof facing the top surface, and side surfaces thereof connecting the top and bottom surfaces to each other. The side surfaces included: a first side surface defined by: a first patterned surface including a first pattern of which a length thereof extends in a diagonal direction in a plan view of the first patterned surface, and a second patterned surface which extends obliquely from an upper end of the first patterned surface, the second patterned surface including a second pattern of which a length thereof extends in a perpendicular direction from the upper end of the first patterned surface in a plan view of the second patterned surface.Type: GrantFiled: June 20, 2018Date of Patent: May 5, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Ki Park, Joo Young Kim, Dong Rak Ko, Young Woon Kho, Dong Kwon Kim, June Hyoung Park, Eun Ji Seo, Hee Kyun Shin, Seung Je Lee
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Patent number: 10551030Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.Type: GrantFiled: August 9, 2017Date of Patent: February 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kyung-Min Kim, Sung-Kyu Shim, Yong-Hoon Kwon, Do Hun Kim, Dong Hyeon Lee, Seung Hwan Chung, Seung-Hwa Ha, Se Ki Park, Seong-Yong Hwang, You Ra Kim
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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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Publication number: 20180314000Abstract: A liquid crystal display includes a display panel having a lower substrate, an upper substrate disposed opposite to the lower substrate, and a liquid crystal layer disposed between the lower and upper substrates, a light source which emits light, a glass light guide plate which diffuses the light from the light source to the display panel, and a first bonding member which bonds the lower substrate to the glass light guide plate.Type: ApplicationFiled: July 3, 2018Publication date: November 1, 2018Inventor: Se-Ki PARK
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Publication number: 20180299711Abstract: A display device includes a first substrate defining a top surface thereof, a bottom surface thereof facing the top surface, and side surfaces thereof connecting the top and bottom surfaces to each other. The side surfaces included: a first side surface defined by: a first patterned surface including a first pattern of which a length thereof extends in a diagonal direction in a plan view of the first patterned surface, and a second patterned surface which extends obliquely from an upper end of the first patterned surface, the second patterned surface including a second pattern of which a length thereof extends in a perpendicular direction from the upper end of the first patterned surface in a plan view of the second patterned surface.Type: ApplicationFiled: June 20, 2018Publication date: October 18, 2018Inventors: Se Ki PARK, Joo Young KIM, Dong Rak KO, Young Woon KHO, Dong Kwon KIM, June Hyoung PARK, Eun Ji SEO, Hee Kyun SHIN, Seung Je LEE
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Patent number: 10095456Abstract: A display apparatus includes an image sensor, a display panel, a timing controller, and a data driver. The image sensor senses a background image and generates background image data based on the background image. The display panel includes a first group of pixels disposed on a first area of the display panel and a second group of pixels disposed on a second area of the display panel. The timing controller extracts partial image data corresponding to the first area from input image data and partial background image data corresponding to the second area from the first background image data. The data driver generates first data voltages based on the partial image data, generates second data voltages based on the partial background image data, to output the first data voltages to the first group of pixels, and to output the second data voltages to the second group of pixels.Type: GrantFiled: January 11, 2016Date of Patent: October 9, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se-Ki Park, Yong-Hoon Kwon, Byoung-Dae Ye
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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: 10042110Abstract: A liquid crystal display includes a display panel having a lower substrate, an upper substrate disposed opposite to the lower substrate, and a liquid crystal layer disposed between the lower and upper substrates, a light source which emits light, a glass light guide plate which diffuses the light from the light source to the display panel, and a first bonding member which bonds the lower substrate to the glass light guide plate.Type: GrantFiled: July 7, 2015Date of Patent: August 7, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Se-Ki Park
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Patent number: 10031357Abstract: A display device includes a first substrate defining a top surface thereof, a bottom surface thereof facing the top surface, and side surfaces thereof connecting the top and bottom surfaces to each other. The side surfaces included: a first side surface defined by: a first patterned surface including a first pattern of which a length thereof extends in a diagonal direction in a plan view of the first patterned surface, and a second patterned surface which extends obliquely from an upper end of the first patterned surface, the second patterned surface including a second pattern of which a length thereof extends in a perpendicular direction from the upper end of the first patterned surface in a plan view of the second patterned surface.Type: GrantFiled: September 2, 2016Date of Patent: July 24, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Ki Park, Joo Young Kim, Dong Rak Ko, Young Woon Kho, Dong Kwon Kim, June Hyoung Park, Eun Ji Seo, Hee Kyun Shin, Seung Je Lee
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Patent number: 10019114Abstract: A display device may include a display panel, at least one light source disposed on one side of the display panel, a circuit board to drive the light source, a light guide plate in which light emitted from the light source is incident into a surface and is emitted to another surface, and a lower frame to support the display panel and to accommodate the light source and the light guide plate. The lower frame may include a base substrate, a digitizer disposed on the base substrate, and a dummy digitizer pattern disposed on the base substrate and spaced apart from the digitizer. The circuit board may be disposed between the digitizer and the dummy digitizer pattern, and the lower frame may be bent and extend around the light source.Type: GrantFiled: June 11, 2015Date of Patent: July 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sang Chul Byun, Seok Hyun Nam, Se Ki Park, Young Hye Son, Sang Hyuk Lee
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Patent number: 9870740Abstract: A liquid crystal display panel comprises a backlight unit including an optical assembly and configured to differentiate the liquid crystal display panel into a plurality of blocks and to illuminate light to each of the plurality of blocks; a location sensor configured to sense a location of a user watching the liquid crystal display panel; a backlight controller configured to output a dimming value corresponding to a brightness of each of the plurality of blocks according to a result of sensing by the location sensor; and a backlight driver configured to generate a driving current corresponding to the dimming value of each block and to provide the generated driving current to the backlight unit corresponding to each of the plurality of blocks.Type: GrantFiled: June 9, 2015Date of Patent: January 16, 2018Assignee: Samsung Display Co., Ltd.Inventors: Se-Ki Park, Yong-Hoon Kwon, Bong-Hyun You, Joon-Chul Goh
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Publication number: 20170336053Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.Type: ApplicationFiled: August 9, 2017Publication date: November 23, 2017Inventors: Kyung-Min KIM, Sung-Kyu SHIM, Yong-Hoon KWON, Do Hun KIM, Dong Hyeon LEE, Seung Hwan CHUNG, Seung-Hwa HA, Se Ki PARK, Seong-Yong HWANG, You Ra KIM
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Publication number: 20170269399Abstract: A display device includes a first substrate defining a top surface thereof, a bottom surface thereof facing the top surface, and side surfaces thereof connecting the top and bottom surfaces to each other. The side surfaces included: a first side surface defined by: a first patterned surface including a first pattern of which a length thereof extends in a diagonal direction in a plan view of the first patterned surface, and a second patterned surface which extends obliquely from an upper end of the first patterned surface, the second patterned surface including a second pattern of which a length thereof extends in a perpendicular direction from the upper end of the first patterned surface in a plan view of the second patterned surface.Type: ApplicationFiled: September 2, 2016Publication date: September 21, 2017Inventors: Se Ki PARK, Joo Young KIM, Dong Rak KO, Young Woon KHO, Dong Kwon KIM, June Hyoung PARK, Eun Ji SEO, Hee Kyun SHIN, Seung Je LEE
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Patent number: 9752753Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.Type: GrantFiled: March 4, 2013Date of Patent: September 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Kyung-Min Kim, Sung-Kyu Shim, Yong-Hoon Kwon, Do Hun Kim, Dong Hyeon Lee, Seung Hwan Chung, Seung-Hwa Ha, Se Ki Park, Seong-Yong Hwang, You Ra Kim
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Patent number: 9720165Abstract: An illumination device having a first light source package including a first electrode lead and a second electrode lead, the first and second electrode leads projecting from a side of the first light source package; a second light source package including a first electrode lead and a second electrode lead, the first and second electrode leads projecting from a side of the second light source package; and a light guide member adjacent to the first and second light source packages, The light guide member includes a light guide panel, and a circuit pattern disposed on a surface of the light guide panel, the circuit pattern including first electrode pads connected to the first electrode leads and second electrode pads connected to the second electrode leads.Type: GrantFiled: March 26, 2015Date of Patent: August 1, 2017Assignee: Samsung Display Co., Ltd.Inventors: Se Ki Park, Sung Yong Kang