Patents by Inventor Hwa-yeul Oh
Hwa-yeul Oh 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: 20240099074Abstract: A display device includes a first display substrate including a light emitting element which emits light of a first color or light of a second color different from the first color, a second display substrate including in order toward the first display substrate, a layer including both a bank layer defining an opening and a wavelength control pattern in the opening, a capping layer covering the wavelength control pattern and the bank layer, and a color absorbing layer which corresponds to the bank layer and blocks the light of the first color and the light of the second color. The capping layer includes a first area corresponding to the color absorbing layer, the bank layer includes a second area corresponding to the color absorbing layer, and the first area of the capping layer is between the color absorbing layer and the second area of the bank layer.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Inventors: Jeong Ki KIM, Won Ji GU, Jong Hoon KIM, Jea Heon AHN, Ji Seong YANG, Hwa Yeul OH
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Patent number: 11903261Abstract: A display device includes a first display substrate including a light emitting element which emits light of a first color or light of a second color different from the first color, a second display substrate including in order toward the first display substrate, a layer including both a bank layer defining an opening and a wavelength control pattern in the opening, a capping layer covering the wavelength control pattern and the bank layer, and a color absorbing layer which corresponds to the bank layer and blocks the light of the first color and the light of the second color. The capping layer includes a first area corresponding to the color absorbing layer, the bank layer includes a second area corresponding to the color absorbing layer, and the first area of the capping layer is between the color absorbing layer and the second area of the bank layer.Type: GrantFiled: May 20, 2021Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeong Ki Kim, Won Ji Gu, Jong Hoon Kim, Jea Heon Ahn, Ji Seong Yang, Hwa Yeul Oh
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Publication number: 20230232691Abstract: A display device is provided. The display device includes a first substrate; a second substrate facing the first substrate; light-emitting elements disposed between the first and second substrates, the light-emitting elements forming first light-emitting areas; first light-transmitting members disposed between the second substrate and the light-emitting elements; and color filter members disposed between the second substrate and the first light-transmitting members, wherein the color filter members form first filtering pattern areas that selectively transmit light and overlap with the first light-emitting areas, wherein the first light-transmitting members overlap with the first light-emitting areas and the first filtering pattern areas and comprise light scatterers that scatter light, and a width of the first light-transmitting members is greater than a width of the first light-emitting areas and a width of the first filtering pattern areas.Type: ApplicationFiled: September 15, 2022Publication date: July 20, 2023Inventors: HWA YEUL OH, Song Ee LEE, Jeong Ki KIM
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Publication number: 20220229214Abstract: A color conversion panel including: a first substrate; light blocking members disposed on the first substrate while being separated from each other; a first color conversion layer, a second color conversion layer, and a transmissive layer that are respectively disposed between the light blocking members; and a capping layer disposed on the first color conversion layer, the second color conversion layer, and the transmissive layer. The capping layer is a multi-layer structure containing SiON having different compositions.Type: ApplicationFiled: January 19, 2022Publication date: July 21, 2022Inventors: Jeong Ki KIM, Hwa Yeul Oh, Yeo Geon Yoon, Jong-Hoon Kim, Seong Yeon Lee
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Publication number: 20220231200Abstract: A color conversion panel includes light blocking members spaced apart from each other on a substrate; and a first color conversion layer, a second color conversion layer, and a transmission layer respectively disposed between the light blocking members, wherein the transmission layer includes first quantum dots, and the first quantum dots convert incident light into light having a wavelength in a range of about 480 nm to about 530 nm.Type: ApplicationFiled: November 15, 2021Publication date: July 21, 2022Applicant: Samsung Display Co., LTD.Inventors: Jeong Ki KIM, Kang Soo HAN, Jong-Hoon KIM, Hwa Yeul OH, Hye Jun WOO
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Publication number: 20220219462Abstract: An inkjet printing method includes moving an inkjet head to discharge ink to a substrate including printing row areas, discharging ink to a first printing row area and a second printing row area among the printing row areas, discharging ink to a third printing row area among the printing row areas and the second printing row area, and discharging ink only to the first printing row area.Type: ApplicationFiled: October 7, 2021Publication date: July 14, 2022Applicant: Samsung Display Co., LTD.Inventors: Hwa Yeul OH, Kanguk KIM, Jeongki KIM, Jong-Hoon KIM, Jiseong YANG, Kang Soo HAN
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Publication number: 20220199690Abstract: A display device is provided. A display device including a plurality of light-output areas through which incident light is emitted and a light-blocking area which blocks the incident light, the display device includes a substrate, a bank layer which is disposed in the light-blocking area on the substrate and defines a plurality of openings, each of which is disposed in one of the plurality of light-output areas, and a color control pattern disposed in the opening of the bank layer, wherein the bank layer includes a first bank area which has a first thickness and defines the plurality of openings and a second bank area which is disposed between the plurality of openings and has a second thickness smaller than the first thickness.Type: ApplicationFiled: September 23, 2021Publication date: June 23, 2022Inventors: Seon Uk LEE, Hwa Yeul OH, Seung Kil YANG, Song Ee LEE, Yoo Seok JANG, Jeong Ki KIM, Jong Hoon KIM, Ju Yong KIM, Ji Seong YANG, Jun Hwi LIM, Sang Yeon Hwang
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Publication number: 20210399068Abstract: A display device includes a first display substrate including a light emitting element which emits light of a first color or light of a second color different from the first color, a second display substrate including in order toward the first display substrate, a layer including both a bank layer defining an opening and a wavelength control pattern in the opening, a capping layer covering the wavelength control pattern and the bank layer, and a color absorbing layer which corresponds to the bank layer and blocks the light of the first color and the light of the second color. The capping layer includes a first area corresponding to the color absorbing layer, the bank layer includes a second area corresponding to the color absorbing layer, and the first area of the capping layer is between the color absorbing layer and the second area of the bank layer.Type: ApplicationFiled: May 20, 2021Publication date: December 23, 2021Inventors: Jeong Ki KIM, Won Ji GU, Jong Hoon KIM, Jea Heon AHN, Ji Seong YANG, Hwa Yeul OH
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Patent number: 10788719Abstract: A liquid crystal display device includes first to fourth pixel electrodes neighbored each other in a first direction, a common electrode at least partially overlapping the first to fourth pixel electrodes, and a first data line and a second data line extended in a second direction different from the first direction, and neighbored each other where the first data line is interposed between the first pixel electrode and the second pixel electrode, the second data line is interposed between the third pixel electrode and the fourth pixel electrode, and at least one slit defined in the common electrode is interposed between the second pixel electrode and the third pixel electrode.Type: GrantFiled: July 12, 2016Date of Patent: September 29, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Ho Kim, Sung Man Kim, Min Chul Song, Hwa Yeul Oh, Yeon Mun Jeon
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Patent number: 10133138Abstract: A display device may include a pixel electrode, a transistor, a first gate line, a second gate line, and a third gate line. The transistor may be electrically connected to the pixel electrode. The first gate line may be electrically connected to the transistor. The second gate line may extend not parallel to the first gate line. The third gate line may overlap the pixel electrode and may extend not parallel to the first gate line. The second gate line or the third gate line may be electrically connected to the first gate line. The pixel electrode may be partially positioned between the second gate line and the third gate line in a plan view of the display device.Type: GrantFiled: August 23, 2016Date of Patent: November 20, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hwa Yeul Oh, Sung Man Kim, Min Chul Song, Seong Su Lim, Tae Hyung Hwang
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Patent number: 9989816Abstract: A liquid crystal display device includes first and second substrates opposite to each other, a liquid crystal layer between the first and second substrates, a first electrode on the first substrate in a planar shape, and a second electrode on the first substrate and including pixel electrodes, which overlap the first electrode. Each of the pixel electrodes includes minute branches disposed parallel to one another, and connecting branches, which connect the minute branches, the minute branches include an edge area defined on a side thereof, and a main area defined by a remaining area, the connecting branches are disposed alternately on outer sides of the edge and main areas, and a first angle formed by the minute branches in the edge area with respect to a first direction is larger than a second angle formed by the minute branches in the main area with respect to the first direction.Type: GrantFiled: July 15, 2016Date of Patent: June 5, 2018Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Su Jung Huh, Hwa Yeul Oh, Ji Eun Lee
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Patent number: 9759963Abstract: A liquid crystal display includes: a first substrate; a first electrode on the first substrate, and a plurality of first cutouts defined in the first electrode; an insulating layer on the first electrode; a second electrode on the insulating layer, a plurality of second cutouts defined in the second electrode, and a plurality of branch electrodes defined by the plurality of second cutouts; a second substrate facing the first substrate; and a liquid crystal layer between the first substrate and the second substrate. The second cutouts have a linear shape which extends in a length direction, widths of the plurality of first cutouts is larger than that of the plurality of branch electrodes in a width direction crossing the length direction, and the second cutouts overlap the plurality of first cutouts, in the length direction.Type: GrantFiled: September 3, 2014Date of Patent: September 12, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hwa Yeul Oh, Yeon-Mun Jeon, Young Je Cho
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Patent number: 9746725Abstract: A liquid crystal display, includes: a substrate; a gate line including a gate pad and a data line including a data pad, the gate and data lines being disposed on the substrate; a thin film transistor connected to the gate line and the data line; an organic layer disposed on the thin film transistor; a pixel electrode disposed on the organic layer; a first contact assistant disposed on the gate pad; a second contact assistant disposed on the data pad; a first insulating layer disposed on the pixel electrode; and a common electrode disposed on the first insulating layer, the common electrode overlapping with the pixel electrode. The common electrode includes first cutouts, the first insulating layer includes second cutouts, the plane shapes of the first and second cutouts are substantially the same, and the pixel electrode includes a polycrystalline transparent conductive material.Type: GrantFiled: February 11, 2014Date of Patent: August 29, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hwa Yeul Oh, Sung Man Kim, Young Je Cho, Min-Chul Song, Eu Gene Lee, Soo Jung Chae, Hyun Ki Hwang
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Patent number: 9715133Abstract: The present invention relates to a liquid crystal display and a driving method thereof. The liquid crystal display of the present invention includes a pixel electrode including: a first subpixel electrode, a second subpixel electrode, and a third subpixel electrode electrically separated from each other; a first thin film transistor connected to the first subpixel electrode; a second thin film transistor connected to the second subpixel electrode; a third thin film transistor connected to the third subpixel electrode; a fourth thin film transistor connected to the second subpixel electrode and the third subpixel electrode; a first gate line connected to the first to third thin film transistors; a second gate line connected to the fourth thin film transistor; a data line connected to the first and second thin film transistors; and a storage electrode line connected to the third thin film transistor.Type: GrantFiled: October 10, 2014Date of Patent: July 25, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young-Wook Lee, Hwa-Yeul Oh, Pil-Sang Yun, Je-Hyeong Park
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Publication number: 20170192312Abstract: A liquid crystal display device includes first to fourth pixel electrodes neighbored each other in a first direction, a common electrode at least partially overlapping the first to fourth pixel electrodes, and a first data line and a second data line extended in a second direction different from the first direction, and neighbored each other where the first data line is interposed between the first pixel electrode and the second pixel electrode, the second data line is interposed between the third pixel electrode and the fourth pixel electrode, and at least one slit defined in the common electrode is interposed between the second pixel electrode and the third pixel electrode.Type: ApplicationFiled: July 12, 2016Publication date: July 6, 2017Inventors: Won Ho KIM, Sung Man KIM, Min Chul SONG, Hwa Yeul OH, Yeon Mun JEON
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Publication number: 20170192314Abstract: A liquid crystal display device includes first and second substrates opposite to each other, a liquid crystal layer between the first and second substrates, a first electrode on the first substrate in a planar shape, and a second electrode on the first substrate and including pixel electrodes, which overlap the first electrode. Each of the pixel electrodes includes minute branches disposed parallel to one another, and connecting branches, which connect the minute branches, the minute branches include an edge area defined on a side thereof, and a main area defined by a remaining area, the connecting branches are disposed alternately on outer sides of the edge and main areas, and a first angle formed by the minute branches in the edge area with respect to a first direction is larger than a second angle formed by the minute branches in the main area with respect to the first direction.Type: ApplicationFiled: July 15, 2016Publication date: July 6, 2017Inventors: Su Jung HUH, Hwa Yeul OH, Ji Eun LEE
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Publication number: 20170115542Abstract: A display device may include a pixel electrode, a transistor, a first gate line, a second gate line, and a third gate line. The transistor may be electrically connected to the pixel electrode. The first gate line may be electrically connected to the transistor. The second gate line may extend not parallel to the first gate line. The third gate line may overlap the pixel electrode and may extend not parallel to the first gate line. The second gate line or the third gate line may be electrically connected to the first gate line. The pixel electrode may be partially positioned between the second gate line and the third gate line in a plan view of the display device.Type: ApplicationFiled: August 23, 2016Publication date: April 27, 2017Inventors: Hwa Yeul OH, Sung Man KIM, Min Chul SONG, Seong Su LIM, Tae Hyung HWANG
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Patent number: 9443881Abstract: A thin film transistor array panel includes a gate line, a gate insulating layer that covers the gate line, a semiconductor layer that is disposed on the gate insulating layer, a data line and drain electrode that are disposed on the semiconductor layer, a passivation layer that covers the data line and drain electrode and has a contact hole that exposes a portion of the drain electrode, and a pixel electrode that is electrically connected to the drain electrode through the contact hole. The data line and drain electrode each have a double layer that includes a lower layer of titanium and an upper layer of copper, and the lower layer is wider than the upper layer, and the lower layer has a region that is exposed. The gate insulating layer may have a step shape.Type: GrantFiled: October 20, 2014Date of Patent: September 13, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jean-Ho Song, Shin-Il Choi, Sun-Young Hong, Shi-Yul Kim, Ki-Yeup Lee, Jae-Hyoung Youn, Sung-Ryul Kim, O-Sung Seo, Yang-Ho Bae, Jong-Hyun Choung, Dong-Ju Yang, Bong-Kyun Kim, Hwa-Yeul Oh, Pil-Soon Hong, Byeong-Beom Kim, Je-Hyeong Park, Yu-Gwang Jeong, Jong-In Kim, Nam-Seok Suh
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Patent number: 9417491Abstract: A display device may include an insulating layer. The display device may further include a first field-generating electrode that overlaps the insulating layer. The display device may further include a second field-generating electrode that overlaps the first field-generating electrode and has a cutout. An exposed portion of the insulating layer may be exposed through the cutout and may be exposed between an edge (or boundary) of the first field-generating electrode and an end portion of the second field-generating electrode in a layout view of the display device.Type: GrantFiled: August 14, 2014Date of Patent: August 16, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soo Jung Chae, Sung Man Kim, Min-Chul Song, Hwa Yeul Oh, Young Je Cho, Hyun Ki Hwang
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Patent number: 9285643Abstract: A liquid crystal display includes pixels which is disposed in row and column directions, respectively includes pixel electrodes, and arranged along a first pixel column to a sixth pixel column, gate lines including pairs of two adjacent gate lines for each pixel row in the row direction, data lines including a first data line at a left side of the first pixel column, a second data line between the second and third pixel columns, a third data line between the fourth and fifth pixel columns, and a fourth data line at a right side of the sixth pixel column; and common voltage lines including a first common voltage line between the first and second pixel columns, a second common voltage line between the third and fourth pixel columns, and a third common voltage line between the fifth and sixth pixel columns.Type: GrantFiled: February 24, 2014Date of Patent: March 15, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min-Chul Song, Sung Man Kim, Jun Ho Song, Hwa Yeul Oh, Yu Jin Lee, Young Je Cho