Patents by Inventor Joong-Pill Park
Joong-Pill 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: 11840654Abstract: Provided is a preparing method of a quantum dot, including a process of preparing a solution containing a group III precursor and a solvent, a process of reducing a group V precursor by using a compound represented by Chemical Formula 1, and a process of mixing the solution with the reduced group V precursor.Type: GrantFiled: November 24, 2021Date of Patent: December 12, 2023Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Sohee Jeong, Joong Pill Park
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Publication number: 20220162501Abstract: Provided is a preparing method of a quantum dot, including a process of preparing a solution containing a group III precursor and a solvent, a process of reducing a group V precursor by using a compound represented by Chemical Formula 1, and a process of mixing the solution with the reduced group V precursor.Type: ApplicationFiled: November 24, 2021Publication date: May 26, 2022Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Sohee JEONG, Joong Pill PARK
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Patent number: 9201259Abstract: A touch sensing type liquid crystal display device includes an array substrate including a first substrate, a common electrode, a pixel electrode, and a touch sensing unit; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including a conductive polymer, a UV-setting binder and transparent silica and having a sheet resistance of several tens of Mega ohms per square (?/sq) to several Giga ohms per square (?/sq); and a liquid crystal layer between the first substrate and an inner side of the second substrate.Type: GrantFiled: March 16, 2011Date of Patent: December 1, 2015Assignee: LG Display Co., Ltd.Inventors: Sung-Hee Kim, Jin-Wuk Kim, Joong-Pill Park
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Patent number: 9164353Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer formed between the first substrate and the second substrate, wherein a plurality of quantum rods are arranged in the quantum rod layer in one direction; and a polarizer disposed on the display panel and including a quarter wave plate (QWP) layer and a polyvinyl alcohol (PVA) layer, wherein the PVA layer transmits only light linearly polarized in a first direction, and wherein the QWP layer is disposed under the PVA layer, and the QWP layer circularly polarizes the light linearly polarized in the first direction or linearly polarizes light reflected by the display panel in a second direction.Type: GrantFiled: October 12, 2012Date of Patent: October 20, 2015Assignee: LG DISPLAY CO., LTD.Inventors: Il Jeon, Kyung-Chan Kim, Joong-Pill Park, Moon-Bae Gee, Sung-Hee Cho, Kyung-Kook Jang, Kyung-Seok Jeong
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Patent number: 9146420Abstract: A liquid crystal display (LCD) device according to an embodiment includes a liquid crystal panel; a first polarization plate on the liquid crystal panel; a backlight unit under the liquid crystal panel; and a quantum rod sheet disposed between the liquid crystal panel and the backlight unit.Type: GrantFiled: May 23, 2012Date of Patent: September 29, 2015Assignee: LG Display Co., Ltd.Inventors: Moon-Bae Gee, Jeong-Ae Lee, Kyung-Chan Kim, Kyung-Hoon Lee, Kyung-Jin Yoon, Joong-Pill Park, Sung-Hee Cho, Hyo-Jin Noh, Kyung-Kook Jang, Kyung-Seok Jeong
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Patent number: 9104062Abstract: A liquid crystal display (LCD) device includes a first substrate; a second substrate; a liquid crystal layer disposed between the first and second substrates; a color filter on one of the first and second substrates; a first polarization plate under the first substrate; a second polarization plate over the second substrate; a backlight unit under the first polarization plate; and a quantum rod sheet disposed between the color filter and the second polarization plate.Type: GrantFiled: April 25, 2012Date of Patent: August 11, 2015Assignee: LG DISPLAY CO., LTD.Inventors: Kyung-Chan Kim, Gee-Sung Chae, Soon-Wook Cha, Kyung-Hoon Lee, Joong-Pill Park, Moon-Bae Gee, Sung-hee Cho, Kyung-Kook Jang, Kyung-Seok Jeong
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Patent number: 8902384Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer disposed between the first substrate and the second substrate, wherein quantum rods in the quantum rod layer are arranged in one direction; a backlight unit provided under the display panel and configured to provide light to the display panel; and a short-wavelength pass filter film formed between the display panel and the backlight unit, and configured to transmit the light having a predetermined wavelength range.Type: GrantFiled: October 12, 2012Date of Patent: December 2, 2014Assignee: LG Display Co., Ltd.Inventors: Il Jeon, Kyung-Chan Kim, Joong-Pill Park, Moon-Bae Gee, Sung-Hee Cho, Kyung-Kook Jang, Kyung-Seok Jeong
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Publication number: 20140016296Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer formed between the first substrate and the second substrate, wherein a plurality of quantum rods are arranged in the quantum rod layer in one direction; and a polarizer disposed on the display panel and including a quarter wave plate (QWP) layer and a polyvinyl alcohol (PVA) layer, wherein the PVA layer transmits only light linearly polarized in a first direction, and wherein the QWP layer is disposed under the PVA layer, and the QWP layer circularly polarizes the light linearly polarized in the first direction or linearly polarizes light reflected by the display panel in a second direction.Type: ApplicationFiled: October 12, 2012Publication date: January 16, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Il JEON, Kyung-Chan KIM, Joong-Pill PARK, Moon-Bae GEE, Sung-Hee CHO, Kyung-Kook JANG, Kyung-Seok JEONG
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Publication number: 20130341588Abstract: A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer disposed between the first substrate and the second substrate, wherein quantum rods in the quantum rod layer are arranged in one direction; a backlight unit provided under the display panel and configured to provide light to the display panel; and a short-wavelength pass filter film formed between the display panel and the backlight unit, and configured to transmit the light having a predetermined wavelength range.Type: ApplicationFiled: October 12, 2012Publication date: December 26, 2013Applicant: LG DISPLAY CO., LTD.Inventors: Il JEON, Kyung-Chan KIM, Joong-Pill PARK, Moon-Bae GEE, Sung-Hee CHO, Kyung-Kook JANG, Kyung-Seok JEONG
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Publication number: 20130135558Abstract: A liquid crystal display (LCD) device includes a first substrate; a second substrate; a liquid crystal layer disposed between the first and second substrates; a color filter on one of the first and second substrates; a first polarization plate under the first substrate; a second polarization plate over the second substrate; a backlight unit under the first polarization plate; and a quantum rod sheet disposed between the color filter and the second polarization plate.Type: ApplicationFiled: April 25, 2012Publication date: May 30, 2013Inventors: Kyung-Chan KIM, Gee-Sung CHAE, Soon-Wook CHA, Kyung-Hoon LEE, Joong-Pill PARK, Moon-Bae GEE, Sung-hee CHO, Kyung-Kook JANG, Kyung-Seok JEONG
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Publication number: 20130107170Abstract: A liquid crystal display (LCD) device according to an embodiment includes a liquid crystal panel; a first polarization plate on the liquid crystal panel; a backlight unit under the liquid crystal panel; and a quantum rod sheet disposed between the liquid crystal panel and the backlight unit.Type: ApplicationFiled: May 23, 2012Publication date: May 2, 2013Inventors: Moon-Bae GEE, Jeong-Ae LEE, Kyung-Chan KIM, Kyung-Hoon LEE, Kyung-Jin YOON, Joong-Pill PARK, Sung-Hee CHO, Hyo-Jin NOH, Kyung-Kook JANG, Kyung-Seok JEONG
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Publication number: 20110228188Abstract: A touch sensing type liquid crystal display device includes an array substrate including a first substrate, a common electrode, a pixel electrode, and a touch sensing unit; a color filter substrate including a second substrate and facing the array substrate; an anti-static layer on an outer side of the second substrate and including a conductive polymer, a UV-setting binder and transparent silica and having a sheet resistance of several tens of Mega ohms per square (?/sq) to several Giga ohms per square (?/sq); and a liquid crystal layer between the first substrate and an inner side of the second substrate.Type: ApplicationFiled: March 16, 2011Publication date: September 22, 2011Inventors: Sung-Hee Kim, Jin-Wuk Kim, Joong-Pill Park