Patents by Inventor Gwan-soo Kim
Gwan-soo 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).
-
Publication number: 20250020451Abstract: An apparatus for continuously measuring the thickness of a thin material includes a main frame configured by upper and lower frames provided in a direction crossing with a movement direction of a thin material and a vertical frame which connects the upper and lower frames, upper and lower sliders moved by sliding along guide grooves formed in the upper and lower frames; an upper confocal sensor radiating light toward the thin material, and a lower confocal sensor radiating light toward the thin material, wherein the upper and lower confocal sensors are disposed on the same axis, and height measurement is performed by receiving light only at a moment when a focus coincides at a measurement position, and wherein the upper confocal sensor and the upper slider and the lower confocal sensor and the lower slider are synchronously controlled, and are controlled in conjunction with movement of the thin material.Type: ApplicationFiled: August 7, 2023Publication date: January 16, 2025Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTEInventors: In Sung PARK, Gwan Tae KIM, Ho Sup KIM, Hong Soo HA
-
Patent number: 9823520Abstract: A liquid crystal display apparatus includes a first substrate, a second substrate, a thin-film transistor (“TFT”), a color filter, a pixel electrode, a planarizing layer and a first column spacer. The second substrate faces the first substrate. The TFT is on the first substrate. The color filter is on the TFT. The pixel electrode is on the color filter. The planarizing layer covers the color filter and the pixel electrode, and includes a hybride resin including silane. The first column spacer protrudes from an upper surface of the planarizing layer and maintains a cell gap between the first substrate and the second substrate. The first column spacer is on the TFT. The first column spacer includes the hybride resin including silane.Type: GrantFiled: December 8, 2014Date of Patent: November 21, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwan-Soo Kim, Hyun-Soo Ryu, Jung-Hyun Ahn, Hyung-Guen Yoon, Hye-Won Jang, Hye-Young Han
-
Patent number: 9791748Abstract: An exemplary embodiment of the present invention relates to a liquid crystal display having a display area and a non-display area which includes a first substrate and a second substrate facing the first substrate, a layer having a first opening, a spacer disposed in the first opening, and a first light blocking member disposed in the non-display area. The spacer is disposed in the first opening to maintain an interval between the first substrate and the second substrate. The spacer and the first light blocking member include the same material.Type: GrantFiled: September 16, 2014Date of Patent: October 17, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sun-Young Chang, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
-
Patent number: 9740039Abstract: A display device includes a plurality of color filters positioned in a plurality of color pixels, respectively, and representing different colors from each other, and an overcoat layer including a transparent organic material and a blue colorant and including a portion positioned on the plurality of color filters and a portion positioned in the white pixel.Type: GrantFiled: September 18, 2015Date of Patent: August 22, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Suek Kim, Gwan-Soo Kim
-
Patent number: 9535295Abstract: A manufacturing method of a liquid crystal display includes: forming a thin film transistor on a first substrate; forming a color filter on the thin film transistor; forming a pixel electrode on the color filter; and forming a light blocking member including a column spacer protruded from the light blocking member on the color filter. The forming the light blocking member uses a mask including a first region, a second region, and a third region. The first region passes light generated from a light exposer, the second region includes a blocking filter layer which selectively passes the light generated from the light exposer, and the third region blocks the light generated from the light exposer.Type: GrantFiled: March 13, 2015Date of Patent: January 3, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwan-Soo Kim, Chul Huh, Dong-Uk Kang
-
Publication number: 20160202546Abstract: A display device includes a plurality of color filters positioned in a plurality of color pixels, respectively, and representing different colors from each other, and an overcoat layer including a transparent organic material and a blue colorant and including a portion positioned on the plurality of color filters and a portion positioned in the white pixel.Type: ApplicationFiled: September 18, 2015Publication date: July 14, 2016Inventors: Jin Suek KIM, Gwan-Soo KIM
-
Patent number: 9298044Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a first spacer and a second spacer on the first substrate and have different heights, and a liquid crystal layer between the first substrate and the second substrate and including a plurality of a liquid crystal molecule. The first spacer and the second spacer include a photosensitive material defining a maximum height of a spacer with respect to a predetermined a cross-section width dimension of the spacer, and heights less than the maximum height with respect to cross-section width dimensions larger than the predetermined cross-section width dimension. The first spacer and the second spacer can include a black pigment.Type: GrantFiled: October 8, 2010Date of Patent: March 29, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwan-Soo Kim, Chul Huh, Jin-Seuk Kim, Sang-Hun Lee, Yui-Ku Lee
-
Patent number: 9207499Abstract: A display substrate includes a substrate on which a first pixel area including a first light-blocking region, and a second pixel area adjacent to the first pixel area and including a second light-blocking region are defined, an insulating layer in the first and second light-blocking regions, a black matrix pattern layer on the insulating layer, a first column spacer in the first light-blocking region and protruding from the black matrix pattern layer, and a second column spacer in the second light-blocking region and protruding from the black matrix pattern layer. A height of a top surface of the first column spacer is different from a height of a top surface of the second column spacer, where the heights are taken with respect to the substrate.Type: GrantFiled: September 26, 2014Date of Patent: December 8, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se-Ah Kwon, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
-
Publication number: 20150185529Abstract: A manufacturing method of a liquid crystal display includes: forming a thin film transistor on a first substrate; forming a color filter on the thin film transistor; forming a pixel electrode on the color filter; and forming a light blocking member including a column spacer protruded from the light blocking member on the color filter. The forming the light blocking member uses a mask including a first region, a second region, and a third region. The first region passes light generated from a light exposer, the second region includes a blocking filter layer which selectively passes the light generated from the light exposer, and the third region blocks the light generated from the light exposer.Type: ApplicationFiled: March 13, 2015Publication date: July 2, 2015Inventors: Gwan-Soo KIM, Chul HUH, Dong-Uk KANG
-
Publication number: 20150168763Abstract: A liquid crystal display apparatus includes a first substrate, a second substrate, a thin-film transistor (“TFT”), a color filter, a pixel electrode, a planarizing layer and a first column spacer. The second substrate faces the first substrate. The TFT is on the first substrate. The color filter is on the TFT. The pixel electrode is on the color filter. The planarizing layer covers the color filter and the pixel electrode, and includes a hybride resin including silane. The first column spacer protrudes from an upper surface of the planarizing layer and maintains a cell gap between the first substrate and the second substrate. The first column spacer is on the TFT. The first column spacer includes the hybride resin including silane.Type: ApplicationFiled: December 8, 2014Publication date: June 18, 2015Inventors: Gwan-Soo KIM, Hyun-Soo RYU, Jung-Hyun AHN, Hyung-Guen YOON, Hye-Won JANG, Hye-Young HAN
-
Patent number: 9040211Abstract: A mask includes a substantially transparent portion. The mask further includes a halftone portion abutting the substantially transparent portion, a light transmittance of the halftone portion being greater than 0% and less than 100%. The mask further includes a blocking portion abutting the halftone portion, a light transmittance of the blocking portion being less than the light transmittance of the halftone portion.Type: GrantFiled: February 21, 2013Date of Patent: May 26, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang-Soon Jang, Soo-Hye Ryu, Yi-Seop Shim, Gwan-Soo Kim, Chul Huh
-
Patent number: 9001302Abstract: A manufacturing method of a liquid crystal display includes: forming a thin film transistor on a first substrate; forming a color filter on the thin film transistor; forming a pixel electrode on the color filter; and forming a light blocking member including a column spacer protruded from the light blocking member on the color filter. The forming the light blocking member uses a mask including a first region, a second region, and a third region. The first region passes light generated from a light exposer, the second region includes a blocking filter layer which selectively passes the light generated from the light exposer, and the third region blocks the light generated from the light exposer.Type: GrantFiled: June 18, 2012Date of Patent: April 7, 2015Assignee: Samsung Display Co., Ltd.Inventors: Gwan-Soo Kim, Chul Huh, Dong-Uk Kang
-
Publication number: 20150017869Abstract: A display substrate includes a substrate on which a first pixel area including a first light-blocking region, and a second pixel area adjacent to the first pixel area and including a second light-blocking region are defined, an insulating layer in the first and second light-blocking regions, a black matrix pattern layer on the insulating layer, a first column spacer in the first light-blocking region and protruding from the black matrix pattern layer, and a second column spacer in the second light-blocking region and protruding from the black matrix pattern layer. A height of a top surface of the first column spacer is different from a height of a top surface of the second column spacer, where the heights are taken with respect to the substrate.Type: ApplicationFiled: September 26, 2014Publication date: January 15, 2015Inventors: Se-Ah KWON, Sang-Hun LEE, Gwan-Soo KIM, Yui-Ku LEE
-
Publication number: 20150002775Abstract: An exemplary embodiment of the present invention relates to a liquid crystal display having a display area and a non-display area which includes a first substrate and a second substrate facing the first substrate, a layer having a first opening, a spacer disposed in the first opening, and a first light blocking member disposed in the non-display area. The spacer is disposed in the first opening to maintain an interval between the first substrate and the second substrate. The spacer and the first light blocking member include the same material.Type: ApplicationFiled: September 16, 2014Publication date: January 1, 2015Inventors: Sun-Young CHANG, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
-
Patent number: 8873018Abstract: A display substrate includes a substrate on which a first pixel area including a first light-blocking region, and a second pixel area adjacent to the first pixel area and including a second light-blocking region are defined, an insulating layer in the first and second light-blocking regions, a black matrix pattern layer on the insulating layer, a first column spacer in the first light-blocking region and protruding from the black matrix pattern layer, and a second column spacer in the second light-blocking region and protruding from the black matrix pattern layer. A height of a top surface of the first column spacer is different from a height of a top surface of the second column spacer, where the heights are taken with respect to the substrate.Type: GrantFiled: April 4, 2011Date of Patent: October 28, 2014Assignee: Samsung Display Co., Ltd.Inventors: Se-Ah Kwon, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
-
Patent number: 8854579Abstract: An exemplary embodiment of the present invention relates to a liquid crystal display having a display area and a non-display area which includes a first substrate and a second substrate facing the first substrate, a layer having a first opening, a spacer disposed in the first opening, and a first light blocking member disposed in the non-display area. The spacer is disposed in the first opening to maintain an interval between the first substrate and the second substrate. The spacer and the first light blocking member include the same material.Type: GrantFiled: May 28, 2010Date of Patent: October 7, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sun-Young Chang, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
-
Patent number: 8772799Abstract: A display substrate includes a base substrate, color filter layers, a bottom supporting layer and a light-blocking and maintaining element. The base substrate includes a gate line, a data line crossing the gate line, and a switching element on the base substrate. The color filter layers are adjacent to each other on the base substrate. The bottom supporting layer is between the color filter layers adjacent to each other and on the base substrate. The light-blocking and maintaining element is between the color filter layers adjacent to each other, and on the bottom supporting layer. The light-blocking and maintaining element includes a light blocking portion, and a maintaining portion which overlaps the bottom supporting layer and protrudes from the light blocking portion.Type: GrantFiled: February 28, 2012Date of Patent: July 8, 2014Assignee: Samsung Display Co., Ltd.Inventors: Dong-Uk Kang, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim
-
Patent number: 8704993Abstract: A liquid crystal display includes a first insulation substrate, a plurality of gate lines and a plurality of data lines disposed on the first insulation substrate, a plurality of thin film transistors connected to the plurality of gate lines and the plurality of data lines, a plurality of pixel electrodes connected to the plurality of thin film transistors, a second insulation substrate disposed substantially opposite to the first insulation substrate; a plurality of column spacers disposed between the first and second insulation substrates and which supports the first and second insulation substrates, a light blocking member disposed on the first insulation substrate and including a sheet portion which includes an opening, a height controlling member disposed at the opening of the sheet portion of the light blocking member, where the plurality of column spacers is disposed on the height controlling member or the light blocking member.Type: GrantFiled: October 22, 2010Date of Patent: April 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sang-Hun Lee, Chul Huh, Gwan-Soo Kim, Se-Ah Kwon, Yui-Ku Lee
-
Patent number: 8703399Abstract: In a method of manufacturing a display apparatus, a first substrate including a plurality of pixels is formed, and a black column spacer is formed on the first substrate. A second substrate is formed, and a liquid crystal layer is formed between the first substrate and the second substrate. The black column spacer is formed by coating a photoresist on the first substrate, exposing the photoresist to a first light, developing the exposed photoresist and exposing the developed photoresist to a second light.Type: GrantFiled: April 4, 2012Date of Patent: April 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Gwan-Soo Kim, Dong-Uk Kang, Chul Huh
-
Patent number: 8654284Abstract: A display substrate includes a base substrate and first, second and third color filters. The first, second and third color filters are disposed on the base substrate adjacent to each other and convert incident light into color light. At least one of the first, second and third color filters includes pigment particles which are regularly arranged to have refractive index anisotropy.Type: GrantFiled: October 15, 2009Date of Patent: February 18, 2014Assignee: Samsung Display Co., Ltd.Inventors: Chul Huh, Gwan-Soo Kim, Chang-Soon Jang, Sun-Young Chang