Patents by Inventor Seon Uk LEE
Seon Uk LEE 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: 20180101056Abstract: A color conversion display panel according to an exemplary embodiment includes a transmission layer disposed on a substrate, a color conversion layer disposed on the substrate and including at least one of a quantum dot and a phosphor, a wire grid pattern disposed on the color conversion layer and the transmission layer, and a reflection pattern connected to a part of the wire grid pattern and disposed between the color conversion layer and the transmission layer disposed adjacent to the color conversion layer.Type: ApplicationFiled: April 20, 2017Publication date: April 12, 2018Inventors: Seon Uk Lee, Sung Man Kim, Han Jun Yu, Seong Su Lim, Kyung Tae Chae, Tae Hyung Hwang
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Patent number: 9851598Abstract: A liquid crystal display according to an exemplary embodiment includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; and color filters disposed to face the pixel electrode, wherein a plurality of microcavities are between the pixel electrode and the color filters, the microcavities form a liquid crystal layer including a liquid crystal material, the microcavities are divided by a partition portion, and the partition portion is formed by a color filter of one color among the color filters.Type: GrantFiled: October 8, 2014Date of Patent: December 26, 2017Assignee: Samsung Display Co., Ltd.Inventors: Pil Sook Kwon, Seon Uk Lee, Jun Heui Lee
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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: 9798209Abstract: A display device according to an exemplary embodiment includes: a substrate, a thin film transistor on the substrate, a pixel electrode connected to the thin film transistor, a common electrode on the pixel electrode to be spaced apart from the pixel electrode while a plurality of microcavities are interposed between the common electrode and the pixel electrode, a roof layer on the common electrode, an alignment layer on the pixel electrode and beneath the common electrode and including a photosensitive material, a liquid crystal layer filling the microcavities, and an encapsulation layer on the roof layer to seal the microcavities.Type: GrantFiled: June 29, 2016Date of Patent: October 24, 2017Assignee: Samsung Display Co., Ltd.Inventors: Seon Uk Lee, Nam Seok Roh, Hee-Keun Lee, Seok-Joon Hong
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Patent number: 9696600Abstract: A display device may include a substrate and a first roof layer portion that is formed of a roof layer material and overlaps the substrate in a direction, the direction is perpendicular to a surface of the substrate. A lateral surface of the first roof layer portion is disposed in a plane. The display device may further a second roof layer portion formed of the roof layer material and separated from the first roof layer portion. The display device may further a common electrode portion disposed between the first roof layer portion and the substrate in the direction. A lateral surface of the common electrode portion is disposed in the plane or is spaced from the lateral surface of the first roof layer portion in a second direction parallel to the surface of the substrate. The display device may further a pixel electrode disposed between the first common electrode portion and the substrate.Type: GrantFiled: April 21, 2016Date of Patent: July 4, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dae Ho Lee, Won Tae Kim, Sung Hwan Won, You Young Jin, Kyung Tae Chae, Pil Sook Kwon, Yong Seok Kim, Han Joon Yoo, Seon Uk Lee, Woo Jae Lee, Tae Woo Lim
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Patent number: 9664956Abstract: The inventive concept relates to a liquid crystal display and a manufacturing method thereof. More particularly, the inventive concept relates to a liquid crystal display including one substrate and a manufacturing method thereof. A liquid crystal display according to an exemplary embodiment of the inventive concept includes: a thin film transistor; a passivation layer; a pixel electrode; an opposing electrode disposed on the pixel electrode and spaced apart from the pixel electrode by a microcavity interposed therebetween; a roof layer disposed on the opposing electrode and overlapping the pixel electrode, wherein the roof layer and the opposing electrode form a valley exposing an injection hole of the microcavity, a buffer zone disposed between the light transmitting area and the valley and a light blocking member overlapping the valley. A height of the microcavity in the buffer zone is higher than a height of the microcavity in the light transmitting area.Type: GrantFiled: July 10, 2014Date of Patent: May 30, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jung Suk Bang, Seon Uk Lee
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Publication number: 20170146837Abstract: A display device may include a first subpixel electrode; a first roof layer; a first liquid crystal layer disposed between the first subpixel electrode and the first roof layer; and a first support member overlapping a first end portion of the first roof layer in a first direction. The display device may further include a second subpixel electrode immediately neighboring the first subpixel electrode; a second roof layer; a second liquid crystal layer disposed between the second subpixel electrode and the second roof layer; and a second support member overlapping a first end portion of the second roof layer in the first direction. The first end portion of the first roof layer and the first end portion of the second roof layer may be disposed between a second end portion of the first roof layer and a second end portion of the second roof layer.Type: ApplicationFiled: February 6, 2017Publication date: May 25, 2017Inventors: Seon Uk LEE, Sung Hwan WON, Dae Ho LEE, Sun Hwa LEE, Kwang-Chul JUNG
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Publication number: 20170082891Abstract: A liquid crystal display includes: a substrate; a thin film transistor; a pixel electrode; a roof layer; a liquid crystal layer; and a plurality of partitions. The thin film transistor is disposed on the substrate. The pixel electrode is connected to the thin film transistor. The roof layer is disposed to face the pixel electrode. The liquid crystal layer is formed by a plurality of microcavities between the pixel electrode and the roof layer, wherein the microcavities include a liquid crystal material. The partitions are between the microcavities adjacent to each other, wherein the partitions may include an organic material and are arranged side by side to one another.Type: ApplicationFiled: November 29, 2016Publication date: March 23, 2017Inventors: Seok-Joon HONG, Ji Seong YANG, Tae Woo LIM, Seon Uk LEE, Kyung Tae CHAE
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Publication number: 20170075164Abstract: A liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; and a roof layer facing the pixel electrode. A plurality of microcavities are between the pixel electrode and the roof layer. A liquid crystal material is in the microcavities, and a dent is formed in the roof layer.Type: ApplicationFiled: November 23, 2016Publication date: March 16, 2017Inventors: Hee-Keun LEE, Seon Uk LEE
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Patent number: 9595549Abstract: A display device and a method of manufacturing the display device improve reliability by preventing contact between a color filter, a light blocking member and a liquid crystal layer. The display device includes: a substrate including pixel areas; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel areas; a roof layer formed on the pixel electrode; microcavities interposed between the pixel electrode and the roof layer; an injection hole formed in the roof layer, the injection hole configured to expose at least a portion of the microcavities; a liquid crystal layer filled in at least one of the microcavities; an encapsulation layer formed on the roof layer, the encapsulation layer configured to cover the injection hole and to seal the microcavities; and an organic layer formed on the encapsulation layer.Type: GrantFiled: January 9, 2014Date of Patent: March 14, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sung Hwan Won, Seon Uk Lee, Pil Sook Kwon, Yong Seok Kim, Won Tae Kim, Han Joon Yoo, Woo Jae Lee
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Patent number: 9575372Abstract: A display device may include a first subpixel electrode; a first roof layer; a first liquid crystal layer disposed between the first subpixel electrode and the first roof layer; and a first support member overlapping a first end portion of the first roof layer in a first direction. The display device may further include a second subpixel electrode immediately neighboring the first subpixel electrode; a second roof layer; a second liquid crystal layer disposed between the second subpixel electrode and the second roof layer; and a second support member overlapping a first end portion of the second roof layer in the first direction. The first end portion of the first roof layer and the first end portion of the second roof layer may be disposed between a second end portion of the first roof layer and a second end portion of the second roof layer.Type: GrantFiled: January 9, 2014Date of Patent: February 21, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seon Uk Lee, Sung Hwan Won, Dae Ho Lee, Sun Hwa Lee, Kwang-Chul Jung
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Patent number: 9568779Abstract: The disclosure relates to a display device, and more particularly to a display device having an improved aperture ratio and robustness. The display device may provide a display device including: a substrate; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor; microcavities formed on the pixel electrode, the microcavities holding liquid crystals; a roof layer formed on the microcavities and covering some sides of the microcavities; and an encapsulation layer formed on the roof layer to seal the microcavities, wherein sides of neighboring microcavities define openings are disposed in a matrix configuration.Type: GrantFiled: September 24, 2014Date of Patent: February 14, 2017Assignee: Samsung Display Co., Ltd.Inventors: Seong Gyu Kwon, Seok-Joon Hong, Dae Ho Song, Seon Uk Lee, Woo Jae Lee
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Patent number: 9541786Abstract: A liquid crystal display includes: a substrate; a thin film transistor; a pixel electrode; a roof layer; a liquid crystal layer; and a plurality of partitions. The thin film transistor is disposed on the substrate. The pixel electrode is connected to the thin film transistor. The roof layer is disposed to face the pixel electrode. The liquid crystal layer is formed by a plurality of microcavities between the pixel electrode and the roof layer, wherein the microcavities include a liquid crystal material. The partitions are between the microcavities adjacent to each other, wherein the partitions may include an organic material and are arranged side by side to one another.Type: GrantFiled: January 22, 2015Date of Patent: January 10, 2017Assignee: Samsung Display Co., Ltd.Inventors: Seok-Joon Hong, Ji Seong Yang, Tae Woo Lim, Seon Uk Lee, Kyung Tae Chae
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Patent number: 9519190Abstract: A display device includes a substrate including a plurality of pixel areas, a thin film transistor positioned on the substrate, a first insulating layer positioned on the thin film transistor, a pixel electrode connected with the thin film transistor and positioned on the first insulating layer, a common electrode positioned on the pixel electrode and spaced apart from the pixel electrode by a microcavity, a second insulating layer positioned on the common electrode, a roof layer positioned on the second insulating layer, a thickness of the roof layer being about 4 ?m to about 50 ?m, an injection hole through the common electrode, the second insulating layer, and the roof layer, the injection hole exposing a part of the microcavity, a liquid crystal layer filling the microcavity, and an overcoat on the roof layer and extending into the injection hole, the overcoat sealing the microcavity.Type: GrantFiled: April 29, 2014Date of Patent: December 13, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Tae Chae, Seon Uk Lee, Chung Hyuk Lee, Tae Woo Lim, Don Chan Cho
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Patent number: 9508855Abstract: A liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; and a roof layer facing the pixel electrode. A plurality of microcavities are between the pixel electrode and the roof layer. A liquid crystal material is in the microcavities, and a dent is formed in the roof layer.Type: GrantFiled: April 16, 2014Date of Patent: November 29, 2016Assignee: Samsung Display Co., Ltd.Inventors: Hee-Keun Lee, Seon Uk Lee
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Publication number: 20160306207Abstract: A display device according to an exemplary embodiment includes: a substrate, a thin film transistor on the substrate, a pixel electrode connected to the thin film transistor, a common electrode on the pixel electrode to be spaced apart from the pixel electrode while a plurality of microcavities are interposed between the common electrode and the pixel electrode, a roof layer on the common electrode, an alignment layer on the pixel electrode and beneath the common electrode and including a photosensitive material, a liquid crystal layer filling the microcavities, and an encapsulation layer on the roof layer to seal the microcavities.Type: ApplicationFiled: June 29, 2016Publication date: October 20, 2016Inventors: Seon Uk LEE, Nam Seok ROH, Hee-Keun LEE, Seok-Joon HONG
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Patent number: 9465260Abstract: Provided are a display device and a manufacturing method thereof capable of preventing deformation of a microcavity and stably injecting an aligning agent and a liquid crystal. The display device includes a substrate including a plurality of pixel areas which includes a plurality of pixel columns and is disposed in a matrix form; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel area; a roof layer formed on the pixel electrode so as to be spaced apart from the pixel electrode with a microcavity therebetween; a first injection hole formed in the roof layer exposing the microcavity at a side edge of the pixel column; a liquid crystal layer filling the microcavity; and an encapsulation layer formed on the roof layer so as to cover the first injection hole to seal the microcavity.Type: GrantFiled: October 24, 2013Date of Patent: October 11, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seon Uk Lee, Nam Seok Roh, Sung Hwan Won, Woo Jae Lee, Kyung Tae Chae
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Patent number: 9459479Abstract: A display device includes: a substrate; a thin film transistor; a pixel electrode; a common electrode; a liquid crystal layer; and an encapsulation layer. The thin film transistor is disposed on the substrate. The pixel electrode is disposed on the thin film transistor. The common electrode is disposed on the pixel electrode and is separated from the pixel electrode via a microcavity therebetween. The liquid crystal layer fills the microcavity. The encapsulation layer is configured to seal the microcavity, wherein the encapsulation layer has an opening positioned at a portion overlapping the microcavity.Type: GrantFiled: May 6, 2014Date of Patent: October 4, 2016Assignee: Samsung Display Co., Ltd.Inventors: Seon Uk Lee, Woo Jae Lee, Seong Gyu Kwon, Don Chan Cho
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Publication number: 20160231611Abstract: A display device may include a substrate and a first roof layer portion that is formed of a roof layer material and overlaps the substrate in a direction, the direction is perpendicular to a surface of the substrate. A lateral surface of the first roof layer portion is disposed in a plane. The display device may further a second roof layer portion formed of the roof layer material and separated from the first roof layer portion. The display device may further a common electrode portion disposed between the first roof layer portion and the substrate in the direction. A lateral surface of the common electrode portion is disposed in the plane or is spaced from the lateral surface of the first roof layer portion in a second direction parallel to the surface of the substrate. The display device may further a pixel electrode disposed between the first common electrode portion and the substrate.Type: ApplicationFiled: April 21, 2016Publication date: August 11, 2016Inventors: Dae Ho LEE, Won Tae KIM, Sung Hwan WON, You Young JIN, Kyung Tae CHAE, Pil Sook KWON, Yong Seok KIM, Han Joon YOO, Seon Uk LEE, Woo Jae LEE, Tae Woo LIM
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Patent number: 9411200Abstract: The present invention relates to a liquid crystal display including: an insulating substrate; and a plurality of pixels arranged in a matrix shape over the insulating substrate. The pixels include a display pixel disposed in a display region and a dummy pixel disposed in a dummy region, the dummy region is disposed outside the display region, and the display pixel includes a liquid crystal layer injected into a microcavity.Type: GrantFiled: May 30, 2014Date of Patent: August 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: Yu Jin Kim, Seon Uk Lee, Tae Woo Lim, Don Chan Cho, Kyung Tae Chae