Patents by Inventor Yeun-Tae Kim
Yeun-Tae 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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Patent number: 11586083Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.Type: GrantFiled: March 26, 2020Date of Patent: February 21, 2023Inventors: Jun Bo Sim, Yeun Tae Kim, Do Yeong Park, Se Hyun Lee
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Patent number: 11003005Abstract: A display apparatus includes a plurality of pixel units and each pixel unit includes a substrate, a first electrode, a second electrode, an image display part and a protective layer. The first electrode is formed on the substrate. The second electrode is formed over the first electrode while interposing a first insulating layer therebetween to define a TSC (tunnel-shaped cavity) extending in a first direction between the first and second electrodes. The image display part is provided in the TSC to display an image according to an electric field generated by the first and second electrodes. The protective layer covers the second electrode and seals the TSC. The display apparatus having the above structure is manufactured by forming the first electrode, a sacrificial layer and the second electrode and forming the image display part by removing the sacrificial layer.Type: GrantFiled: December 15, 2017Date of Patent: May 11, 2021Inventors: Yeun Tae Kim, Hee-Keun Lee, Pilsook Kwon, Sangil Kim, Nakcho Choi
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Publication number: 20200225544Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.Type: ApplicationFiled: March 26, 2020Publication date: July 16, 2020Inventors: Jun Bo SIM, Yeun Tae KIM, Do Yeong PARK, Se Hyun LEE
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Patent number: 10620497Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.Type: GrantFiled: June 6, 2018Date of Patent: April 14, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jun Bo Sim, Yeun Tae Kim, Do Yeong Park, Se Hyun Lee
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Patent number: 10578911Abstract: A display device includes a first substrate, thin film transistors, a color filter layer, a light blocking pattern, a second substrate, pixel electrodes, and, a plurality of first spacers. The first substrate includes a display area having a plurality of pixel areas and a non-display area surrounding at least part of the display area, the display area including an interior area and at least one peripheral area disposed exteriorly of the interior area. The second substrate defines with the first substrate a space to contain light transmittance material. The plurality of first spacers is disposed in the light transmittance space between the first and second substrates and only in the interior area of the display area.Type: GrantFiled: April 12, 2018Date of Patent: March 3, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yeun Tae Kim, Min Wook Park, Sang Il Park, Ji Won Sohn, Jun Bo Sim
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Patent number: 10514567Abstract: A display panel with microcavities each having ends of asymmetric cross-sectional area. An exemplary display panel has a substrate; a pixel electrode formed on the substrate; a first black matrix and a second black matrix each disposed on the substrate; and a supporting member disposed on the substrate over the pixel electrode and the black matrix, the supporting member shaped so as to form a microcavity between the pixel electrode and the supporting member, the microcavity having an upper surface proximate to the supporting member and a lower surface opposite the upper surface. The microcavity has one end positioned over the first black matrix, and another end opposite the first end and positioned over the second black matrix; the lower surface of the microcavity has first and second channels disposed therein, the first channel positioned over the first black matrix, and the second channel positioned over the second black matrix.Type: GrantFiled: May 5, 2017Date of Patent: December 24, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hee-Keun Lee, Jung Wook Lee, Yeun Tae Kim, Hae Ju Yun
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Patent number: 10338437Abstract: A display device includes: a substrate including a plurality of pixel areas; a thin film transistor on the substrate; a pixel electrode connected to the thin film transistor; an roof layer connected between pixel areas adjacent in a first direction and separated from the pixel electrode; a column protruded from the roof layer in a boundary portion of the pixel areas; a space between the pixel electrode and the roof layer, the roof layer partially overlapping an upper inner wall and a first side inner wall of the space and exposing a second side inner wall of the space; a liquid crystal in the space.Type: GrantFiled: November 17, 2012Date of Patent: July 2, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seon Uk Lee, Yeun Tae Kim, Seong Gyu Kwon, Nam Seok Roh
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Publication number: 20190129242Abstract: A display device including a first substrate having a first surface including a display area and a non-display area disposed outside of the display area, the display area comprising a plurality of pixels, a plurality of color filters disposed on the first surface of the first substrate, and an organic film disposed to cover the color filters. The color filters include first, second, and third color filters corresponding to the pixels and disposed in the display area, a fourth color filter disposed in the non-display area, and a fifth color filter disposed on the fourth color filter, in which at least one of the fourth and fifth color filters is spaced apart from the display area.Type: ApplicationFiled: October 18, 2018Publication date: May 2, 2019Inventors: Sang Il PARK, Yeun Tae KIM, Min Wook PARK, Jin Su LEE, Kun Wook HAN
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Publication number: 20190129265Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.Type: ApplicationFiled: June 6, 2018Publication date: May 2, 2019Inventors: Jun Bo SIM, Yeun Tae KIM, Do Yeong PARK, Se Hyun LEE
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Publication number: 20190086719Abstract: A display device includes a first substrate, thin film transistors, a color filter layer, a light blocking pattern, a second substrate, pixel electrodes, and, a plurality of first spacers. The first substrate includes a display area having a plurality of pixel areas and a non-display area surrounding at least part of the display area, the display area including an interior area and at least one peripheral area disposed exteriorly of the interior area. The second substrate defines with the first substrate a space to contain light transmittance material. The plurality of first spacers is disposed in the light transmittance space between the first and second substrates and only in the interior area of the display area.Type: ApplicationFiled: April 12, 2018Publication date: March 21, 2019Inventors: Yeun Tae KIM, Min Wook PARK, Sang Il PARK, Ji Won SOHN, Jun Bo SIM
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Publication number: 20190072814Abstract: A display device and a method for manufacturing the display device are provided. According to an exemplary embodiment, a display device includes: a first substrate on which a display area and a non-display area disposed outside the display area are defined; a second substrate facing the first substrate; a liquid crystal layer disposed between the first and second substrates; a first color filter disposed in the non-display area; a second color filter disposed on the first color filter; a first organic film disposed on the second color filter; and a seal pattern formed on the first organic film and overlapping with at least one of the first and second color filters.Type: ApplicationFiled: August 31, 2018Publication date: March 7, 2019Inventors: Yeun Tae KIM, Min Wook PARK, Sang II PARK, Jun Bo SIM, Jin Su LEE
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Patent number: 10109244Abstract: A display device includes a substrate and pixels arranged on the substrate in a matrix form. The substrate includes a display area in which the pixels are arranged and a non-display area disposed adjacent to a side of the display area. Each pixel includes a cover layer that extends in a row direction that includes a sidewall portion connected to the substrate and a cover portion spaced apart from the substrate and connected to the sidewall portion to define a tunnel-shaped cavity on the substrate. A width of the sidewall portion between adjacent pixels is less than a width of the sidewall portion disposed at an outermost position, and the cover layer seals one side of the tunnel-shaped cavity in the pixels arranged in a first row and a last row.Type: GrantFiled: November 3, 2015Date of Patent: October 23, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yeun Tae Kim, Hee-Keun Lee, Jaekeun Lim
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Publication number: 20180107049Abstract: A display apparatus includes a plurality of pixel units and each pixel unit includes a substrate, a first electrode, a second electrode, an image display part and a protective layer. The first electrode is formed on the substrate. The second electrode is formed over the first electrode while interposing a first insulating layer therebetween to define a TSC (tunnel-shaped cavity) extending in a first direction between the first and second electrodes. The image display part is provided in the TSC to display an image according to an electric field generated by the first and second electrodes. The protective layer covers the second electrode and seals the TSC. The display apparatus having the above structure is manufactured by forming the first electrode, a sacrificial layer and the second electrode and forming the image display part by removing the sacrificial layer.Type: ApplicationFiled: December 15, 2017Publication date: April 19, 2018Inventors: Yeun Tae KIM, Hee-Keun LEE, Pilsook KWON, Sangil KIM, Nakcho CHOI
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Patent number: 9846323Abstract: A display apparatus includes a plurality of pixel units and each pixel unit includes a substrate, a first electrode, a second electrode, an image display part and a protective layer. The first electrode is formed on the substrate. The second electrode is formed over the first electrode while interposing a first insulating layer therebetween to define a TSC (tunnel-shaped cavity) extending in a first direction between the first and second electrodes. The image display part is provided in the TSC to display an image according to an electric field generated by the first and second electrodes. The protective layer covers the second electrode and seals the TSC. The display apparatus having the above structure is manufactured by forming the first electrode, a sacrificial layer and the second electrode and forming the image display part by removing the sacrificial layer.Type: GrantFiled: April 18, 2011Date of Patent: December 19, 2017Assignee: Samsung Display Co., Ltd.Inventors: Yeun Tae Kim, Hee-Keun Lee, Pilsook Kwon, Sangil Kim, Nakcho Choi
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Patent number: 9841623Abstract: A liquid crystal display includes: an insulation substrate; a microcavity layer disposed on the insulation substrate and having a reversed taper side wall; a pixel electrode disposed in the microcavity layer on the insulation substrate; a liquid crystal layer disposed in the microcavity layer; and a common electrode which covers the liquid crystal layer.Type: GrantFiled: November 10, 2015Date of Patent: December 12, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Tae Chae, Sung Hwan Won, Yeun Tae Kim, Won Tae Kim, Seon Uk Lee
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Patent number: 9772516Abstract: A liquid crystal display is provided that includes: a substrate; a thin film transistor disposed on the substrate; a protection layer disposed on the thin film transistor; a first electrode and a second electrode disposed on the protection layer; an alignment layer disposed on the second electrode; and a roof layer facing the second electrode, wherein a plurality of microcavities are formed between the second electrode and the roof layer, the microcavities include a liquid crystal material, and the alignment layer includes a photo-alignment material.Type: GrantFiled: April 30, 2014Date of Patent: September 26, 2017Assignee: Samsung Display Co., ltd.Inventors: Hee-Keun Lee, Suk Hoon Kang, Sang Il Kim, Yeun Tae Kim, Dong Youb Oh, Mi Hwa Lee, Woo Jae Lee, Jun Woo Lee
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Patent number: 9768209Abstract: A display apparatus includes a base substrate, a pixel on the base substrate, and a color filter part between the base substrate and the pixel. The pixel includes a cover layer defining a TSC (Tunnel Shaped Cavity) on the base substrate, an image display part provided in the TSC, and first and second electrodes which apply an electric field to the image display part.Type: GrantFiled: December 9, 2015Date of Patent: September 19, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yeun Tae Kim, Hyang-Shik Kong, Namseok Roh, Hongsick Park, Changoh Jeong, Jinho Ju, Byeong-Jin Lee, Kyungtae Chae, Jiseong Yang
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Publication number: 20170242289Abstract: A display panel with microcavities each having ends of asymmetric cross-sectional area. An exemplary display panel has a substrate; a pixel electrode formed on the substrate; a first black matrix and a second black matrix each disposed on the substrate; and a supporting member disposed on the substrate over the pixel electrode and the black matrix, the supporting member shaped so as to form a microcavity between the pixel electrode and the supporting member, the microcavity having an upper surface proximate to the supporting member and a lower surface opposite the upper surface. The microcavity has one end positioned over the first black matrix, and another end opposite the first end and positioned over the second black matrix; the lower surface of the microcavity has first and second channels disposed therein, the first channel positioned over the first black matrix, and the second channel positioned over the second black matrix.Type: ApplicationFiled: May 5, 2017Publication date: August 24, 2017Inventors: Hee-Keun LEE, Jung Wook LEE, Yeun Tae KIM, Hae Ju YUN
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Patent number: 9664937Abstract: A display panel with microcavities each having ends of asymmetric cross-sectional area. An exemplary display panel has a substrate; a pixel electrode formed on the substrate; a first black matrix and a second black matrix each disposed on the substrate; and a supporting member disposed on the substrate over the pixel electrode and the black matrix, the supporting member shaped so as to form a microcavity between the pixel electrode and the supporting member, the microcavity having an upper surface proximate to the supporting member and a lower surface opposite the upper surface. The microcavity has one end positioned over the first black matrix, and another end opposite the first end and positioned over the second black matrix; the lower surface of the microcavity has first and second channels disposed therein, the first channel positioned over the first black matrix, and the second channel positioned over the second black matrix.Type: GrantFiled: August 8, 2013Date of Patent: May 30, 2017Assignee: Samsung Display Co., LTD.Inventors: Hee-Keun Lee, Jung Wook Lee, Yeun Tae Kim, Hae Ju Yun
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Patent number: 9625753Abstract: A liquid crystal display device includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected with the thin film transistor; and a roof layer disposed to face the pixel electrode, wherein a plurality of microcavities having respective liquid crystal injection holes are formed between the pixel electrode and the roof layer, and the microcavities are filled with electrically orientatable liquid crystal molecules, wherein a light blocking layer disposed adjacent to the injection holes is formed and covering the thin film transistor, wherein the light blocking layer is covered by a passivation layer.Type: GrantFiled: January 3, 2014Date of Patent: April 18, 2017Assignee: Samsung Display Co., Ltd.Inventors: Yeun Tae Kim, Koichi Sugitani, Jung Wook Lee, Hoon Kang, Min Su Kim, Seon-Il Kim, Hee-Keun Lee