Patents by Inventor Sung Woon Kim
Sung Woon Kim 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: 20200075814Abstract: A display device includes: a substrate; a plurality of pixels on the substrate, and each of the pixels including first to third sub-pixels each including at least one light emitting diode configured to emit light; and a color conversion layer including first to third color conversion patterns respectively corresponding to the first to third sub-pixels, each of the first to third color conversion patterns configured to transmit the light or convert the light into light of a different color. The light emitting diode of each of the first to third sub-pixels is coupled to a first electrode and a second electrode. At least one of the first to third color conversion patterns includes a perovskite compound.Type: ApplicationFiled: August 16, 2019Publication date: March 5, 2020Inventors: Jae Hong PARK, Sung Woon KIM, Min Ki NAM, Kyoung Won PARK, Dong Han SONG
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Patent number: 10539827Abstract: A display device and a method of manufacturing a display device are provided. A display device includes a first substrate, sub-pixel electrodes adjacent to each other on the first substrate, a second substrate positioned opposite to the first substrate, a light-transmitting pattern on the second substrate and at least partially overlapping with the first sub-pixel electrode, a wavelength conversion pattern on the second substrate, a first black matrix filling a separation space between a side surface of the light-transmitting pattern and a side surface of a first wavelength conversion pattern and including a first surface facing the first substrate and a second surface facing the second substrate, and the first surface of the first black matrix is wider than the second surface of the first black matrix, and a first surface of a second wavelength conversion pattern is wider than a second surface of the second wavelength conversion pattern.Type: GrantFiled: September 12, 2018Date of Patent: January 21, 2020Assignee: Samsung Display Co., Ltd.Inventor: Sung Woon Kim
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Publication number: 20190371864Abstract: According to an exemplary embodiment of the present inventive concept, a method of manufacturing a color conversion display panel includes forming a plurality of light blocking members on a substrate to partition a first region, a second region, and a third region. A blue light blocking filter is formed on the substrate of both the first region and the second region. A color conversion layer including quantum dots is formed on the blue light blocking filter. A transmissive layer is formed on the substrate of the third region. Water vapor is supplied to the color conversion layer, and a barrier layer is formed on the color conversion layer and the transmissive layer.Type: ApplicationFiled: December 6, 2018Publication date: December 5, 2019Inventors: JIN WON KIM, Sung Woon Kim, Song Yi Kim, Min Ki Nam, Kyoung Won Park
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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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Publication number: 20190094624Abstract: A display device and a method of manufacturing a display device are provided. A display device includes a first substrate, sub-pixel electrodes adjacent to each other on the first substrate, a second substrate positioned opposite to the first substrate, a light-transmitting pattern on the second substrate and at least partially overlapping with the first sub-pixel electrode, a wavelength conversion pattern on the second substrate, a first black matrix filling a separation space between a side surface of the light-transmitting pattern and a side surface of a first wavelength conversion pattern and including a first surface facing the first substrate and a second surface facing the second substrate, and the first surface of the first black matrix is wider than the second surface of the first black matrix, and a first surface of a second wavelength conversion pattern is wider than a second surface of the second wavelength conversion pattern.Type: ApplicationFiled: September 12, 2018Publication date: March 28, 2019Inventor: Sung Woon Kim
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Patent number: 9454919Abstract: An electronic shelf label tag includes a communications unit configured to wirelessly communicate with an electronic shelf label repeater; a control unit configured to control operations including receiving display data including display information mapped to a display information index from the communications unit prior to a preset time, storing the display data, receiving change command data including the display information index from the communications unit after the preset time, retrieving the display information mapped to the display information index included in the change command data from the stored display data, and displaying the retrieved display information on a screen; a memory unit configured to store the display data including the display information mapped to the display information index under the control of the control unit; and a display unit configured to display the retrieved display information on the screen under the control of the control unit.Type: GrantFiled: May 26, 2015Date of Patent: September 27, 2016Assignee: SOLUM CO., LTD.Inventors: Jae Hee Park, Sung Ki Kim, Dae Yeol Seo, Sang Hwa Park, Sung Woon Kim, Bo Yle Seo, Joo Hyung Lee, Chang Woo Lee, Dong Won Lee
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Patent number: 9411206Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.Type: GrantFiled: October 22, 2015Date of Patent: August 9, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
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Publication number: 20160109753Abstract: A display device includes; a display panel, a lens substrate facing the display panel, an air layer disposed between the display panel and the lens substrate, and a light refraction portion disposed on a surface of the lens substrate facing the display panel, wherein an average refractive index of the light refraction portion taken along a plane substantially parallel to the display panel increases in a direction substantially parallel to a path of light from the display panel to the lens substrate.Type: ApplicationFiled: December 30, 2015Publication date: April 21, 2016Inventors: Hae-Young YUN, Kyung-Ho JUNG, Seung-Hoon LEE, Sung-Woon KIM, Jiangang LU, Hee-Seop KIM
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Publication number: 20160048068Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.Type: ApplicationFiled: October 22, 2015Publication date: February 18, 2016Inventors: Sung-Woon KIM, Hee-Seop KIM, Hyang-Yul KIM, Joo-Nyung JANG, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN
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Patent number: 9244309Abstract: A liquid crystal display includes: a first substrate and a second substrate facing each other; a pair of field generating electrodes disposed on the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules having positive dielectric anisotropy; and at least one alignment layer disposed between the first substrate and the second substrate, wherein the alignment layer includes a main chain and at least one side chain connected to the main chain, and the side chain includes a vertical functional group or a polar group.Type: GrantFiled: December 16, 2013Date of Patent: January 26, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sung Woon Kim, An Na Park
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Patent number: 9229262Abstract: A display device includes; a display panel, a lens substrate facing the display panel, an air layer disposed between the display panel and the lens substrate, and a light refraction portion disposed on a surface of the lens substrate facing the display panel, wherein an average refractive index of the light refraction portion taken along a plane substantially parallel to the display panel increases in a direction substantially parallel to a path of light from the display panel to the lens substrate.Type: GrantFiled: September 5, 2013Date of Patent: January 5, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae-Young Yun, Kyung-Ho Jung, Seung-Hoon Lee, Sung-Woon Kim, Jiangang Lu, Hee-Seop Kim
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Publication number: 20150348450Abstract: An electronic shelf label tag includes a communications unit configured to wirelessly communicate with an electronic shelf label repeater; a control unit configured to control operations including receiving display data including display information mapped to a display information index from the communications unit prior to a preset time, storing the display data, receiving change command data including the display information index from the communications unit after the preset time, retrieving the display information mapped to the display information index included in the change command data from the stored display data, and displaying the retrieved display information on a screen; a memory unit configured to store the display data including the display information mapped to the display information index under the control of the control unit; and a display unit configured to display the retrieved display information on the screen under the control of the control unit.Type: ApplicationFiled: May 26, 2015Publication date: December 3, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Hee Park, Sung Ki Kim, Dae Yeol Seo, Sang Hwa Park, Sung Woon Kim, Bo Yle Seo, Joo Hyung Lee, Chang Woo Lee, Dong Won Lee
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Patent number: 9195107Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.Type: GrantFiled: September 8, 2014Date of Patent: November 24, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
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Patent number: 8964140Abstract: A liquid crystal display includes: a first substrate and a second substrate disposed opposite the first substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; a gate line which transmits a gate signal; first and second data lines which respectively transmit first and second data voltages, the first and second data voltages having opposite polarities; a first switching element connected to the gate line and the first data line; a second switching element connected to the gate line and the second data line; a first subpixel electrode connected to the first switching element; and a second subpixel electrode connected to the second switching element. The first and second subpixel electrodes overlap portions of the first and second data lines. The first and second subpixel electrodes include first and second branches, respectively, which are alternately arranged between the first and second data lines.Type: GrantFiled: March 18, 2013Date of Patent: February 24, 2015Assignee: Samsung Display Co., Ltd.Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Chong-Chul Chai, Mee-Hye Jung, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
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Publication number: 20140375917Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.Type: ApplicationFiled: September 8, 2014Publication date: December 25, 2014Inventors: Sung-Woon KIM, Hee-Seop KIM, Hyang-Yul KIM, Joo-Nyung JANG, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN
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Patent number: 8798792Abstract: A method for controlling a robot cleaner includes: detecting a cleaning target space, setting a cleaning region within the detected cleaning space and cleaning the set cleaning region; if the set cleaning region is completely cleaned, moving to a not-yet-cleaned region adjacent to a cleaning completion spot of the cleaning region; and setting a new cleaning region in the not-yet-cleaned region and performing cleaning. Without repeating a cleaning region in the cleaning target space, the robot cleaner can extend its cleaning region, so the cleaning efficiency of the robot cleaner can be improved. Also, the robot cleaner can be smoothly enter a new cleaning target space or released therefrom. In particular, even when the entrance of the new cleaning target space is narrow, the robot cleaner can smoothly enter the new cleaning target space and gets out thereof.Type: GrantFiled: October 24, 2008Date of Patent: August 5, 2014Assignee: LG Electronics Inc.Inventors: Dong-Woo Park, Sung-Woon Kim, Dong-Hoon Yi, Jeong-Suk Yoon, Jong-Il Park, Hyoung-Hwa Yoon
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Publication number: 20140104555Abstract: A liquid crystal display includes: a first substrate and a second substrate facing each other; a pair of field generating electrodes disposed on the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules having positive dielectric anisotropy; and at least one alignment layer disposed between the first substrate and the second substrate, wherein the alignment layer includes a main chain and at least one side chain connected to the main chain, and the side chain includes a vertical functional group or a polar group.Type: ApplicationFiled: December 16, 2013Publication date: April 17, 2014Applicant: Samsung Display Co., Ltd.Inventors: Sung Woon KIM, An Na Park
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Patent number: 8632862Abstract: A liquid crystal display includes: a first substrate and a second substrate facing each other; a pair of field generating electrodes disposed on the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules having positive dielectric anisotropy; and at least one alignment layer disposed between the first substrate and the second substrate, wherein the alignment layer includes a main chain and at least one side chain connected to the main chain, and the side chain includes a vertical functional group or a polar group.Type: GrantFiled: July 13, 2011Date of Patent: January 21, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sung Woon Kim, An Na Park
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Publication number: 20140002775Abstract: A display device includes; a display panel, a lens substrate facing the display panel, an air layer disposed between the display panel and the lens substrate, and a light refraction portion disposed on a surface of the lens substrate facing the display panel, wherein an average refractive index of the light refraction portion taken along a plane substantially parallel to the display panel increases in a direction substantially parallel to a path of light from the display panel to the lens substrate.Type: ApplicationFiled: September 5, 2013Publication date: January 2, 2014Applicant: Samsung Display Co., Ltd.Inventors: Hae-Young YUN, Kyung-Ho JUNG, Seung-Hoon LEE, Sung-Woon KIM, Jiangang LU, Hee-Seop KIM
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Patent number: 8593583Abstract: The present invention relates to a liquid crystal display including: a first substrate, a gate line formed disposed on the first substrate, a first data line and a second data lines formed both of which are disposed on the first substrate, and insulated from and intersection disposed substantially perpendicular to the gate line, a first thin film transistor connected to the gate line and the first data line, a second thin film transistor connected to the gate line and the second data line, a first pixel electrode connected to the first thin film transistor, a second pixel electrode connected to the second thin film transistor, a second substrate facing disposed substantially opposite to the first substrate, a common electrode formed disposed on the second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, and including biaxial liquid crystal.Type: GrantFiled: March 24, 2009Date of Patent: November 26, 2013Assignee: Samsung Display Co., Ltd.Inventors: Seung-Hoon Lee, Joo-Seok Yeom, Hee-Seop Kim, Sung-Woon Kim, Jiangang Lu