Patents by Inventor Jang Wi Ryu
Jang Wi Ryu 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: 10705271Abstract: A display device includes: a display panel; and a color conversion panel overlapping the display panel, wherein the color conversion panel includes a red color conversion layer and a green color conversion layer including a semiconductor nanocrystal, and a transmissive layer; a red color filter overlapping the red color conversion layer; a green color filter overlapping the green color conversion layer; and a blue color filter overlapping the transmissive layer and a light blocking member, and the light blocking member includes at least one of a blue dye and a blue pigment.Type: GrantFiled: June 25, 2018Date of Patent: July 7, 2020Assignee: Samsung Display Co., Ltd.Inventors: Soo Dong Kim, Sung Woon Kim, Jang Wi Ryu, Kyoung Won Park
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Publication number: 20200124926Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: ApplicationFiled: December 19, 2019Publication date: April 23, 2020Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Publication number: 20200089063Abstract: A liquid crystal display, including a first substrate; a gate line and a data line disposed on the first substrate; and a pixel electrode connected to the gate line and the data line and comprising a first sub pixel electrode and a second sub pixel electrode disposed on the first substrate. Each of the first sub pixel electrode and the second sub pixel electrode includes a transverse stem; a longitudinal stem; and a plurality of minute branches extending from transverse stem and the longitudinal stem. A width of the first sub pixel electrode is different from a width of the second sub pixel electrode.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Inventors: Hak Sun CHANG, Jang Wi RYU, Ki Chul SHIN, Jae-Soo JANG
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Patent number: 10551691Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: GrantFiled: May 10, 2019Date of Patent: February 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Patent number: 10520781Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.Type: GrantFiled: April 3, 2019Date of Patent: December 31, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon
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Patent number: 10520777Abstract: A liquid crystal display, including a first substrate; a gate line and a data line disposed on the first substrate; and a pixel electrode connected to the gate line and the data line and comprising a first sub pixel electrode and a second sub pixel electrode disposed on the first substrate. Each of the first sub pixel electrode and the second sub pixel electrode includes a transverse stem; a longitudinal stem; and a plurality of minute branches extending from transverse stem and the longitudinal stem. A width of the first sub pixel electrode is different from a width of the second sub pixel electrode.Type: GrantFiled: May 11, 2017Date of Patent: December 31, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Jang Wi Ryu, Ki Chul Shin, Jae-Soo Jang
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Patent number: 10459277Abstract: A display device includes a base portion including a pixel area including a light-transmitting area and a light-blocking area; a projection portion disposed on the light-blocking area of the base portion and including a first sub-color filter and a second sub-color filter overlapping over an overlap area; a light-blocking member disposed on the projection portion and overlapping the base portion; and a spacing member disposed on the light-blocking member, made of the same material as the light-blocking member and overlapping the projection portion.Type: GrantFiled: June 30, 2017Date of Patent: October 29, 2019Assignee: Samsung Display Co., Ltd.Inventors: Sun Kyu Joo, Su Jeong Kim, Jang Wi Ryu, Yi Seop Shim, Keun Chan Oh, Jae Jin Lyu, Jun Woo Lee, Chang Soon Jang, Young Bong Cho, Chul Huh
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Patent number: 10423043Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.Type: GrantFiled: September 20, 2016Date of Patent: September 24, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon
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Publication number: 20190265559Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Inventors: Hak Sun CHANG, Eun-Kil PARK, Hyun-Ho KANG, Jang Wi RYU, Seung-Suk YANG, Ki Chul SHIN, Se Hyun LEE, Jae-Soo JANG, Hyo Ju JUNG
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Publication number: 20190227355Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Inventors: Jang Wi RYU, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN, Jae-Soo JANG, Ka Eun KIM, Ho Kil OH, Se Hyun LEE, Hyo Ju JUNG, Sang Hyeon SONG, Sang Jin JEON
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Patent number: 10345655Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.Type: GrantFiled: February 23, 2016Date of Patent: July 9, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
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Publication number: 20190179065Abstract: A display device includes: a display panel; and a color conversion panel overlapping the display panel, wherein the color conversion panel includes a red color conversion layer and a green color conversion layer including a semiconductor nanocrystal, and a transmissive layer; a red color filter overlapping the red color conversion layer; a green color filter overlapping the green color conversion layer; and a blue color filter overlapping the transmissive layer and a light blocking member, and the light blocking member includes at least one of a blue dye and a blue pigment.Type: ApplicationFiled: June 25, 2018Publication date: June 13, 2019Inventors: Soo Dong KIM, Sung Woon KIM, Jang Wi RYU, Kyoung Won PARK
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Patent number: 10261379Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.Type: GrantFiled: September 20, 2016Date of Patent: April 16, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon
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Patent number: 10168585Abstract: A liquid crystal display includes: a lower panel electrode including a lower panel unit electrodes; an upper panel electrode including an upper panel unit electrodes facing the lower panel unit electrodes; and a liquid crystal layer disposed between the lower panel electrode and the upper panel electrode, in which the lower panel unit electrode includes a stem portion which defines a boundary between a plurality of sub-regions therein, a center pattern disposed at a center of the stem portion and in which overlaps the sub-regions, and a plurality of micro branch portions which extends from the center pattern, where extending directions of the micro branch portions in different regions are different from each other, and an end portion of the micro branch portions is extended in a direction different from an extending direction thereof.Type: GrantFiled: September 6, 2016Date of Patent: January 1, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Ho Kil Oh
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Patent number: 10031375Abstract: A display device array substrate includes first and second light blocking regions, a first insulation layer disposed on the first light blocking region, a second insulation layer disposed on the second light blocking region, a light blocking member including a first part disposed on the first light blocking region and the first insulation layer, a second part disposed on the second light blocking region and the second insulation layer, and a third part disposed on a boundary between the first and second light blocking regions. A minimum height from an upper surface of the first insulation substrate to an upper surface of the third part is lower than a minimum height from the upper surface of the first insulation substrate to an upper surface of the first part and a minimum height from the upper surface of the first insulation substrate to an upper surface of the second part.Type: GrantFiled: May 26, 2016Date of Patent: July 24, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sun Kyu Joo, Jang Wi Ryu, Chul Huh
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Patent number: 9958739Abstract: A liquid crystal display includes an insulation substrate, a plurality of pixels disposed on the insulation substrate, where each pixel has a shape elongated in a horizontal direction, and includes a thin film transistor formation region and a display area; and a reference voltage line extending in a vertical direction along a center of the display area, where the display area includes a single high-gray subpixel area and two low-gray subpixel areas, and the single high-gray subpixel area is positioned between the two low-gray subpixel areas.Type: GrantFiled: January 24, 2017Date of Patent: May 1, 2018Assignee: Samsung Display Co., Ltd.Inventors: Cheol Shin, Hak Sun Chang, Jang Wi Ryu, Jae-Soo Jang, Ki Chul Shin, Seong Young Lee
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Publication number: 20180088403Abstract: A display device includes a base portion including a pixel area including a light-transmitting area and a light-blocking area; a projection portion disposed on the light-blocking area of the base portion and including a first sub-color filter and a second sub-color filter overlapping over an overlap area; a light-blocking member disposed on the projection portion and overlapping the base portion; and a spacing member disposed on the light-blocking member, made of the same material as the light-blocking member and overlapping the projection portion.Type: ApplicationFiled: June 30, 2017Publication date: March 29, 2018Inventors: Sun Kyu JOO, Su Jeong KIM, Jang Wi RYU, Yi Seop SHIM, Keun Chan OH, Jae Jin LYU, Jun Woo LEE, Chang Soon JANG, Young Bong CHO, Chul HUH
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Patent number: 9759971Abstract: An array substrate includes: first and second gate lines extending along a first direction; a data line extending along a second direction crossing the first direction, and being insulated from the first and second gate lines; a pixel electrode disposed in a pixel area defined by the data line, the first gate line, and the second gate line; a first auxiliary electrode overlapping the first gate line; and a second auxiliary electrode disposed between the pixel electrode and the second gate line, the second auxiliary electrode being spaced apart from the second gate line. The pixel electrode includes: a first subpixel electrode disposed adjacent to the first gate line, and having first direction size greater than a second direction size; and a second subpixel electrode spaced apart from the first subpixel electrode in the second direction, and having a first direction size greater than a second direction size.Type: GrantFiled: April 6, 2015Date of Patent: September 12, 2017Assignee: Samsung Display Co., LtdInventors: Hyo Ju Jung, Jang Wi Ryu, Hak Sun Chang, Ki Chul Shin
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Publication number: 20170248826Abstract: A liquid crystal display, including a first substrate; a gate line and a data line disposed on the first substrate; and a pixel electrode connected to the gate line and the data line and comprising a first sub pixel electrode and a second sub pixel electrode disposed on the first substrate. Each of the first sub pixel electrode and the second sub pixel electrode includes a transverse stem; a longitudinal stem; and a plurality of minute branches extending from transverse stem and the longitudinal stem. A width of the first sub pixel electrode is different from a width of the second sub pixel electrode.Type: ApplicationFiled: May 11, 2017Publication date: August 31, 2017Inventors: Hak Sun CHANG, Jang Wi RYU, Ki Chul SHIN, Jae-Soo JANG
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Patent number: 9659536Abstract: A liquid crystal display device includes a plurality of pixels disposed on an insulation substrate in a horizontal direction, and including a thin film transistor region and a display area; and a reference voltage line extended along a center of the display area in a direction perpendicular to the horizontal direction. The display area includes a plurality of domains disposed in two rows, a domain in one of the two rows includes a high-gray subpixel area including a high-gray pixel electrode, and a domain in the other of the two rows includes a low-gray subpixel area including a low-gray pixel electrode. The high-gray pixel electrode and the low-gray pixel electrode each include a plurality of unit pixel electrodes, and each unit pixel electrode includes a center electrode having a planar structure and a plurality of minute branches that extend from a side of the center electrode.Type: GrantFiled: February 2, 2015Date of Patent: May 23, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jang Wi Ryu, Hak Sun Chang, Ki Chul Shin