Patents by Inventor Seung-Bo Shim
Seung-Bo Shim 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: 9239518Abstract: A photosensitive resin composition includes: an acrylic copolymer comprising a polymerization product of a first monomer comprising at least one selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, and a second monomer comprising an olefin-based unsaturated compound; a photosensitive component comprising at least one 1,2-quinonediazide-5-sulfonic acid ester compound selected from compounds represented by Chemical Formulae 1 to 4; a coupling agent; and a solvent, wherein a total amount of asymmetric compounds in the photosensitive component is greater than or equal to 45 area percent as determined by high performance liquid chromatography: wherein R1 is a hydroxyl group or a methyl group, and NQD is a 1,2-quinonediazide 5-sulfonyl group.Type: GrantFiled: January 23, 2014Date of Patent: January 19, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Ho Ju, Seung Bo Shim, Jun Gi Kim, Yang-Ho Jung, Hyang-Shik Kong, Byung-Uk Kim, Jin-Sun Kim, Tae-Hoon Yeo, Hyoc-Min Youn, Sang-Hoon Lee
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Publication number: 20150255493Abstract: A display device includes a substrate comprising a display area and a non-display area. A gate line and a data line are disposed on the substrate. A thin film transistor is disposed on the display area and coupled to the gate line and the data line. A pad is disposed in the non-display area. A passivation layer is disposed on the thin film transistor and the pad. A pixel electrode is coupled to the thin film transistor. The passivation layer has a thickness that is smaller in the non-display area than in the display area, and the passivation layer has a thickness of about 0.1 ?m to about 1 ?m in the non-display area.Type: ApplicationFiled: January 23, 2015Publication date: September 10, 2015Inventors: Seung-Bo SHIM, Bong-Yeon KIM, Jun-hyuk WOO, Jeong-Won KIM, Kwang-Woo PARK
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Patent number: 9128313Abstract: A method of manufacturing a liquid crystal display includes disposing a gate electrode and a light blocking member on a substrate, disposing a source electrode and a drain electrode on the gate electrode to form a thin film transistor, disposing a data line on the light blocking member, disposing an organic layer on the thin film transistor and the data line, exposing a first convex part of the organic layer to light in a first area corresponding to the thin film transistor during an exposure process, and exposing a second convex part of the organic layer to the light in a second area corresponding to the data line during the exposure process using a mask. The mask includes a first transflective part aligned with the first area and a second transflective part aligned with the second area during the exposure process.Type: GrantFiled: December 12, 2013Date of Patent: September 8, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Bo Shim, Jun Gi Kim, Yang-Ho Jung, Jin Ho Ju, Jun Hong Park
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Publication number: 20150228665Abstract: A display device includes a substrate, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, a pixel electrode connected to the thin film transistor, and an insulating layer on the substrate, wherein the insulating layer has a contact hole extending therethrough and the contact hole has a relatively steep sidewall including a sidewall portion with a sidewall taper angle of about 60° to about 90°.Type: ApplicationFiled: October 8, 2014Publication date: August 13, 2015Inventors: Bong- Yeon KIM, Seung-Bo SHIM, Dong-Eon LEE, Jun-hyuk WOO
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Patent number: 9093535Abstract: A method of planarizing a substrate includes forming a conductive pattern on a first surface of a base substrate, forming a positive photoresist layer on the base substrate and the conductive pattern, exposing the positive photoresist layer to light by irradiating a second surface of the base substrate opposite to the first surface with light, developing the positive photoresist layer to form a protruded portion on the conductive pattern, forming a planarizing layer on the base substrate and the protruded portion and eliminating the protruded portion.Type: GrantFiled: November 14, 2012Date of Patent: July 28, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hyang-Shik Kong, Seung-Bo Shim, Jin-Ho Ju, Jun-Gi Kim
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Publication number: 20150198840Abstract: A liquid crystal display is provided. The liquid crystal display includes: a substrate; a thin film transistor; a pixel electrode; a roof layer; a plurality of microcavities; and a partition wall. The thin film transistor is disposed on the substrate. The pixel electrode is disposed on the thin film transistor. The roof layer faces the pixel electrode. The microcavities are between the pixel electrode and the roof layer, the microcavities include a liquid crystal material. The partition wall is between the microcavities, and the partition wall is perpendicular to the roof layer.Type: ApplicationFiled: June 18, 2014Publication date: July 16, 2015Inventors: Yang-Ho JUNG, Pil Soon HONG, Jun Hong PARK, Seung Bo SHIM, Jin Ho JU
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Patent number: 9069258Abstract: A mask may include a circuit area and a pixel area. The circuit area includes a circuit pattern. The pixel area includes a pixel pattern which is extended in a length direction and an assist pattern which is at an end portion of the pixel pattern and adjacent to the circuit area.Type: GrantFiled: March 15, 2013Date of Patent: June 30, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Bong-Yeon Kim, Min Kang, Seung-Bo Shim, Jong-kwang Lee, Jin-Ho Ju, Jeong-Won Kim, Tae-Gyun Kim, Chul-Won Park, Jun-Hyuk Woo, Hyun-Joo Lee
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Publication number: 20150171118Abstract: A display substrate includes a substrate having a first region and a second region, a conductive pattern is provided in the first region of the substrate and includes a first conductive pattern and a second conductive pattern, the first conductive pattern has a gate electrode and a source electrode, the second conductive pattern has a source electrode and a drain electrode, an insulation layer pattern is positioned on the conductive pattern and exposes an outer sidewall of the conductive pattern, an organic layer is provided in the first region and the second region of the substrate and covers the insulation layer pattern, and a pixel electrode is provided on the organic layer and is electrically connected to the drain electrode through a contact hole in the organic layer.Type: ApplicationFiled: July 2, 2014Publication date: June 18, 2015Inventors: Seung-Bo Shim, Jin-Ho Ju, Jun-Gi Kim, Yang-Ho Jung
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Publication number: 20150162356Abstract: A display device includes a substrate including a first region and a second region, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, and a pixel electrode connected to the thin film transistor, wherein the second region has a second contact hole of which an area is larger than that of a first contact hole of the first region.Type: ApplicationFiled: June 26, 2014Publication date: June 11, 2015Inventors: Seung-Bo Shim, Dong-Hyun Yu, Jin-Ho Ju
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Publication number: 20150146138Abstract: A liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode disposed on the thin film transistor; and a roof layer facing the pixel electrode, wherein a plurality of microcavities are formed between the pixel electrode and the roof layer, each microcavity includes liquid crystal materials, a partition wall is formed between the microcavities, and the roof layer includes a dry film.Type: ApplicationFiled: May 7, 2014Publication date: May 28, 2015Applicant: Samsung Display Co., Ltd.Inventors: Yang-ho Jung, Hoon Kang, Seung Bo Shim, Jin Ho Ju
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Publication number: 20150138624Abstract: A substrate for an electrowetting display device including a pixel electrode, a partition wall pattern and a water-repellent pattern. The pixel electrode is formed on a base substrate. The partition wall pattern is disposed along an edge of the pixel electrode to expose the pixel electrode. The water-repellent pattern is disposed at a space formed by the pixel electrode and the partition wall pattern to be extended along a lower portion of side surfaces of the partition wall pattern from an area on which the pixel electrode is formed. The water-repellent pattern exposes an upper portion of the side surfaces and an upper surface of the partition wall pattern. Thus, a manufacturing reliability of a substrate for an electrowetting display device is improved to prevent a display quality from being reduced.Type: ApplicationFiled: January 26, 2015Publication date: May 21, 2015Inventors: Seung Bo Shim, Jin-Ho Ju, Dae Ho Kim, Sang-Il Kim, Sung-Kyun Park, Jae-Jin Lyu
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Publication number: 20150055208Abstract: An electrowetting display device includes a black matrix that includes a plurality of openings corresponding to pixels, respectively, a first extension portion extending in a driving direction of an electrowetting layer, the driving direction being a direction in which motion of the electrowetting layer is induced when a voltage difference is applied between a common electrode and a pixel electrode, and a partition wall that partitions the pixels. The first extension portion includes first and second areas respectively extending in opposite directions to each other and a third area having a width substantially the same as a width of the partition wall. The first area has a width less than about half of a first length corresponding to a length extending between both sides of each pixel in the driving direction, and the second area has a width less than the width of the first area.Type: ApplicationFiled: September 22, 2014Publication date: February 26, 2015Inventors: Seung Bo Shim, Sung-Kyun Park, Yong Jun Park, Hyun-Sup Lee, Jin-Ho Ju
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Patent number: 8951424Abstract: A substrate for an electrowetting display device including a pixel electrode, a partition wall pattern and a water-repellent pattern. The pixel electrode is formed on a base substrate. The partition wall pattern is disposed along an edge of the pixel electrode to expose the pixel electrode. The water-repellent pattern is disposed at a space formed by the pixel electrode and the partition wall pattern to be extended along a lower portion of side surfaces of the partition wall pattern from an area on which the pixel electrode is formed. The water-repellent pattern exposes an upper portion of the side surfaces and an upper surface of the partition wall pattern. Thus, a manufacturing reliability of a substrate for an electrowetting display device is improved to prevent a display quality from being reduced.Type: GrantFiled: August 31, 2012Date of Patent: February 10, 2015Assignee: Amazon Technologies, Inc.Inventors: Seung Bo Shim, Jin-Ho Ju, Dae Ho Kim, Sang-Il Kim, Sung-Kyun Park, Jae-Jin Lyu
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Publication number: 20150024583Abstract: A method of manufacturing a liquid crystal display includes disposing a gate electrode and a light blocking member on a substrate, disposing a source electrode and a drain electrode on the gate electrode to form a thin film transistor, disposing a data line on the light blocking member, disposing an organic layer on the thin film transistor and the data line, exposing a first convex part of the organic layer to light in a first area corresponding to the thin film transistor during an exposure process, and exposing a second convex part of the organic layer to the light in a second area corresponding to the data line during the exposure process using a mask. The mask includes a first transflective part aligned with the first area and a second transflective part aligned with the second area during the exposure process.Type: ApplicationFiled: December 12, 2013Publication date: January 22, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: SEUNG BO SHIM, Jun Gi Kim, Yang-Ho Jung, Jin Ho Ju, Jun Hong Park
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Patent number: 8895439Abstract: A method for forming a fine exposure pattern where a width and an interval of the pattern are each 1CD, by first exposing a photoresist by using an exposure mask where an interval ratio of a light shielding part and a light transmission part is 2CD:1CD to 4CD:1CD, and then second exposing the photoresist after the exposure mask is shifted at a predetermined interval, or second exposing the photoresist by using an exposure mask formed at a position where a light transmission part is shifted at a predetermined interval, and developing the photoresist, such that it is possible to form a display device having a pixel electrode including a plurality of fine branch electrodes having a smaller width and interval than a resolution of an exposure apparatus.Type: GrantFiled: June 1, 2012Date of Patent: November 25, 2014Assignee: Samsung Display Co., Ltd.Inventors: Woo-Seok Jeon, Jong Kwang Lee, Jin Ho Ju, Min Kang, Hoon Kang, Seung Bo Shim, Gwui-Hyun Park, Bong-Yeon Kim, Seon-II Kim
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Publication number: 20140234776Abstract: A photosensitive resin composition includes: an acrylic copolymer comprising a polymerization product of a first monomer comprising at least one selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, and a second monomer comprising an olefin-based unsaturated compound; a photosensitive component comprising at least one 1,2-quinonediazide-5-sulfonic acid ester compound selected from compounds represented by Chemical Formulae 1 to 4; a coupling agent; and a solvent, wherein a total amount of asymmetric compounds in the photosensitive component is greater than or equal to 45 area percent as determined by high performance liquid chromatography: wherein R1 is a hydroxyl group or a methyl group, and NQD is a 1,2-quinonediazide 5-sulfonyl group.Type: ApplicationFiled: January 23, 2014Publication date: August 21, 2014Applicant: Samsung Display Co., Ltd.Inventors: Jin Ho JU, Seung Bo SHIM, Jun Gi KIM, Yang-Ho JUNG, Hyang-Shik KONG, Byung-Uk KIM, Jin-Sun KIM, Tae-Hoon YEO, Hyoc-Min YOUN, Sang-Hoon LEE
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Publication number: 20140147976Abstract: An exposure mask includes a first transmission portion, a second transmission portion, and a blocking portion. The first transmission portion is configured to, when illuminated with light, transmit the light at a first energy level. The first transmission portion is disposed in association with formation of a first contact hole in an underlying layer. The second transmission portion is configured to, when illuminated with the light, transmit the light at a second energy level. The second transmission portion is disposed in association with formation of a second contact hole in the underlying layer. The blocking portion is configured to block the light, and is disposed in association with a boundary region between a first region and a second region of the underlying layer. The second transmission portion is further configured to enable the second contact hole to be formed deeper into the underlying layer than the first contact hole.Type: ApplicationFiled: March 15, 2013Publication date: May 29, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seung-Bo SHIM, Jun-Gi Kim, Yong-Jun Park, Yang-Ho Jung, Jin-Ho Ju
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Publication number: 20130335664Abstract: A display panel includes a substrate, a thin film transistor on the substrate, a first electrode electrically connected to the thin film transistor, a first insulation layer covering the first electrode, an image displaying layer disposed on the first insulation layer, a second insulation layer disposed on the image displaying layer, a second electrode disposed on the second insulation layer and insulated from the first electrode, and a protecting layer disposed on the second electrode. The protecting layer surrounds a portion of an upper surface and a side surface of the image displaying layer. The protecting layer includes a light curable material.Type: ApplicationFiled: January 3, 2013Publication date: December 19, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Bo SHIM, Yang-Ho JUNG, Jin-Ho JU, Da-Woon KIM, Jun-Gi KIM
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Publication number: 20130316270Abstract: A mask may include a circuit area and a pixel area. The circuit area includes a circuit pattern. The pixel area includes a pixel pattern which is extended in a length direction and an assist pattern which is at an end portion of the pixel pattern and adjacent to the circuit area.Type: ApplicationFiled: March 15, 2013Publication date: November 28, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Bong-Yeon KIM, Min KANG, Seung-Bo SHIM, Jong-kwang LEE, Jin-Ho JU, Jeong-Won KIM, Tae-Gyun KIM, Chul-Won PARK, Jun-Hyuk WOO, Hyun-Joo LEE
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Publication number: 20130271816Abstract: A substrate for an electrowetting display device including a pixel electrode, a partition wall pattern and a water-repellent pattern. The pixel electrode is formed on a base substrate. The partition wall pattern is disposed along an edge of the pixel electrode to expose the pixel electrode. The water-repellent pattern is disposed at a space formed by the pixel electrode and the partition wall pattern to be extended along a lower portion of side surfaces of the partition wall pattern from an area on which the pixel electrode is formed. The water-repellent pattern exposes an upper portion of the side surfaces and an upper surface of the partition wall pattern. Thus, a manufacturing reliability of a substrate for an electrowetting display device is improved to prevent a display quality from being reduced.Type: ApplicationFiled: August 31, 2012Publication date: October 17, 2013Applicant: Samsung Display Co., Ltd.Inventors: Seung Bo SHIM, Jin-Ho Ju, Dae Ho Kim, Sang-Il Kim, Sung-Kyun Park, Jae-Jin Lyu