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).
-
Publication number: 20150219963Abstract: The inventive concept relates to a light unit and a diffuser separated from the light source at a predetermined distance and having a cylindrical structure, and a cylindrical structure display device including the same.Type: ApplicationFiled: January 12, 2015Publication date: August 6, 2015Inventors: Seon Uk LEE, Nam Seok ROH, Woo Jae LEE, Hee-Keun LEE, Don Chan CHO
-
Publication number: 20150205152Abstract: 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: ApplicationFiled: July 10, 2014Publication date: July 23, 2015Inventors: Jung Suk BANG, Seon Uk LEE
-
Publication number: 20150185543Abstract: 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: ApplicationFiled: May 6, 2014Publication date: July 2, 2015Applicant: Samsung Display Co., Ltd.Inventors: Seon Uk LEE, Woo Jae LEE, Seong Gyu KWON, Don Chan CHO
-
Publication number: 20150168786Abstract: A display device is provided. The display device includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a first common electrode disposed on the pixel electrode, and spaced apart from the pixel electrode with a microcavity disposed therebetween; an injection hole exposing a portion of the microcavity; a liquid crystal layer filling the microcavity; an encapsulation layer covering the injection hole so as to encapsulate the microcavity; and a second common electrode disposed on the first common electrode and the encapsulation layer, wherein the second common electrode is connected to the first common electrode.Type: ApplicationFiled: May 27, 2014Publication date: June 18, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Seon Uk LEE, Won Tae KIM, Yong Seok KIM, Dae Ho SONG, Sung Hwan WON
-
Publication number: 20150162377Abstract: 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: April 16, 2014Publication date: June 11, 2015Applicant: Samsung Display Co., Ltd.Inventors: Hee-Keun LEE, Seon Uk LEE
-
Publication number: 20150138478Abstract: A liquid crystal display includes a substrate, a thin film transistor, a first protection layer, a pixel electrode, a light blocking layer, a second protection layer, and a roof layer. The thin film transistor is disposed on the substrate. The first protection layer is disposed on the thin film transistor. The pixel electrode is disposed on the first protection layer. The light blocking layer is disposed on the pixel electrode to cover the thin film transistor. The second protection layer is disposed on the light blocking layer. The roof layer is disposed to face the pixel electrode, wherein a plurality of microcavities having injection holes are formed between the pixel electrode and the roof layer. The microcavities comprise liquid crystal molecules, and the first protection layer and the second protection layer have different etch rates.Type: ApplicationFiled: April 11, 2014Publication date: May 21, 2015Applicant: Samsung Display Co., Ltd.Inventors: Ji Seong YANG, Dae Ho LEE, Yong Seok KIM, Han Joon YOO, Seon Uk LEE
-
Patent number: 9019458Abstract: A display device includes: a substrate, on which pixel areas arranged substantially in a matrix form having pixel rows and pixel columns are defined; a thin film transistor disposed on the substrate; a pixel electrode disposed in the pixel areas and connected to the thin film transistor; common electrodes disposed on the pixel electrode and spaced apart from the pixel electrode, where a microcavity is defined between the pixel electrode and the common electrodes; a roof layer disposed on the common electrodes, where a liquid crystal injection hole is defined through the common electrodes and the roof layer and exposes the microcavity; a liquid crystal layer disposed in the microcavity; and an encapsulation layer disposed on the roof layer, where the encapsulation layer covers the liquid crystal injection hole and seals the microcavity, where the common electrodes in the pixel rows are connected to each other.Type: GrantFiled: October 7, 2013Date of Patent: April 28, 2015Assignee: Samsung Display Co., Ltd.Inventors: Won Tae Kim, Yong Seok Kim, Sung Hwan Won, Seon Uk Lee, Kyung Tae Chae, Pil Sook Kwon, Dae Ho Lee, Woo Jae Lee, Tae Woo Lim
-
Patent number: 8970817Abstract: A display panel includes a fiber reinforced plastic substrate having a first lattice pattern with a first lattice period P, and a pixel layer disposed on the substrate having a second lattice pattern having a second lattice period H, in which if H>P, P and H satisfy P = 2 ? H 2 ? n + 1 , where n is a natural number, and if H>P, P and H satisfy P = ( 2 ? n + 1 ) ? H 2 .Type: GrantFiled: September 6, 2012Date of Patent: March 3, 2015Inventors: Seon Uk Lee, Sang Il Kim, Jin Bo Shim, Nak Cho Choi, Jin Woo Choi
-
Publication number: 20150055074Abstract: 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: March 7, 2014Publication date: February 26, 2015Applicant: 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
-
Publication number: 20150036087Abstract: 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: ApplicationFiled: January 9, 2014Publication date: February 5, 2015Applicant: 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
-
Publication number: 20150015825Abstract: 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: ApplicationFiled: April 29, 2014Publication date: January 15, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Tae CHAE, Seon Uk LEE, Chung Hyuk LEE, Tae Woo LIM, Don Chan CHO
-
Publication number: 20150002801Abstract: 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: ApplicationFiled: May 30, 2014Publication date: January 1, 2015Applicant: Samsung Display Co., Ltd.Inventors: Yu Jin KIM, Seon Uk LEE, Tae Woo LIM, Don Chan CHO, Kyung Tae CHAE
-
Publication number: 20140362329Abstract: A display device configured to control an aggregation position of an alignment layer and a manufacturing method thereof are disclosed. The 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 on the pixel area; a roof layer formed above the pixel electrode and separated from the pixel electrode by a micro-cavity; a first injection hole formed in the roof layer and extending to a first edge and/or a second edge of the micro-cavity; a second injection hole formed in the roof layer and extending to a left edge and a right edge of the micro-cavity; a liquid crystal layer in the micro-cavity; and an encapsulation layer formed on the roof layer to cover the first injection hole and the second injection hole.Type: ApplicationFiled: December 27, 2013Publication date: December 11, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seon Uk LEE, Tae Woo LIM, Sun Hwa LEE
-
Publication number: 20140354921Abstract: 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: January 9, 2014Publication date: December 4, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seon Uk LEE, Sung Hwan WON, Dae Ho LEE, Sun Hwa LEE, Kwang-Chul JUNG
-
Publication number: 20140333884Abstract: A display apparatus and a method of manufacturing a display apparatus are disclosed. A display may include a base substrate, a plurality of pixel rows each of which includes a plurality of pixels arranged both in a first direction and in a second direction, a sealant layer covering the pixel rows, and a trench disposed between the pixel rows. Each pixel row may include a plurality of active cavities arranged along the trench and a drain cavity disposed on at least one end of the trench. A capillary force decreases along the active cavities, the drain cavity, and the trench.Type: ApplicationFiled: October 10, 2013Publication date: November 13, 2014Applicant: Samsung Display Co., Ltd.Inventors: Junheui LEE, Seon Uk LEE, Dong Hwan KIM, Haeju YUN, Hee-Keun LEE
-
Publication number: 20140322845Abstract: A device for monitoring a liquid crystal display includes: a substrate including a display region and a non-display region disposed at an edge of the display region. The display region includes: a thin film transistor disposed on the substrate, a pixel electrode disposed on the substrate and connected to the thin film transistor, a first sacrificial layer disposed on the pixel electrode, and a roof layer disposed on the sacrificial layer. The non-display region includes: a second sacrificial layer disposed on the substrate, and the roof layer disposed on the second sacrificial layer. The first sacrificial layer has a first longitudinal dimension and a first cross-sectional area, and the second sacrificial layer has a second longitudinal dimension and a second cross-sectional area. The first cross-sectional area is the same as the second cross-sectional area. The second longitudinal dimension is greater than the first longitudinal dimension.Type: ApplicationFiled: August 8, 2013Publication date: October 30, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seon Uk LEE, Won Tae KIM, Min Ho MOON, Hong Sick PARK, Sung Hwan WON, You Young JIN
-
Publication number: 20140307215Abstract: 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: ApplicationFiled: October 24, 2013Publication date: October 16, 2014Inventors: Seon Uk LEE, Nam Seok ROH, Sung Hwan WON, Woo Jae LEE, Kyung Tae CHAE
-
Publication number: 20140300853Abstract: A display device includes: a substrate, on which pixel areas arranged substantially in a matrix form having pixel rows and pixel columns are defined; a thin film transistor disposed on the substrate; a pixel electrode disposed in the pixel areas and connected to the thin film transistor; common electrodes disposed on the pixel electrode and spaced apart from the pixel electrode, where a microcavity is defined between the pixel electrode and the common electrodes; a roof layer disposed on the common electrodes, where a liquid crystal injection hole is defined through the common electrodes and the roof layer and exposes the microcavity; a liquid crystal layer disposed in the microcavity; and an encapsulation layer disposed on the roof layer, where the encapsulation layer covers the liquid crystal injection hole and seals the microcavity, where the common electrodes in the pixel rows are connected to each other.Type: ApplicationFiled: October 7, 2013Publication date: October 9, 2014Applicant: Samsung Display Co., Ltd.Inventors: Won Tae KIM, Yong Seok KIM, Sung Hwan WON, Seon Uk LEE, Kyung Tae CHAE, Pil Sook KWON, Dae Ho LEE, Woo Jae LEE, Tae Woo LIM
-
Publication number: 20140267984Abstract: A manufacturing method of a liquid crystal display includes: providing a pixel electrode on an insulation substrate; providing a sacrificial layer on the pixel electrode; providing a common electrode on the sacrificial layer; providing a photoresist layer on the common electrode; exposing a portion of the photoresist layer, common electrode and the sacrificial layer with light; developing the portion of the photoresist layer exposed with the light; etching a layer between the photoresist layer and the sacrificial layer using the developed photoresist layer as a mask to expose the portion of the sacrificial layer exposed with the light; removing the portion of the sacrificial layer exposed with the light; providing a roof layer on the insulation substrate and etching the roof layer to form a liquid crystal injection hole therein; and removing the sacrificial layer exposed through the liquid crystal injection hole to form a microcavity.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Samsung Display Co., Ltd.Inventors: Tae Woo LIM, Kyung Tae CHAE, Sung Hwan WON, Seon Uk LEE, Jun Heui LEE
-
Publication number: 20140152948Abstract: 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: ApplicationFiled: July 2, 2013Publication date: June 5, 2014Applicant: Samsung Display Co., Ltd.Inventors: Kyung Tae CHAE, Sung Hwan WON, Yeun Tae KIM, Won Tae KIM, Seon Uk LEE