Patents by Inventor Yui-Ku Lee

Yui-Ku 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: 20130141678
    Abstract: A display panel includes a first substrate and a second substrate facing the first substrate. The first and substrate includes a plurality of pixel areas and a non-pixel area disposed adjacent to the pixel areas. The display panel further includes a plurality of signal lines disposed on the second substrate. The display panel further includes a color filter disposed on the first substrate or the second substrate. The display panel further includes an inorganic layer disposed on the color filter layer, an organic layer disposed on the inorganic layer, and a conductive layer disposed on the organic layer.
    Type: Application
    Filed: August 9, 2012
    Publication date: June 6, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: HongKee CHIN, YUNJONG YEO, Yui-Ku LEE, Yu-Gwang JEONG, Jin-Young CHOI, SANGGAB KIM
  • Patent number: 8445914
    Abstract: A display substrate includes a transistor, a black matrix and a color spacer. The transistor is connected to a gate line, and a data line crossing the gate line. The black matrix includes a first light-blocking portion covering the gate line and the data line, and a second light-blocking portion covering a channel of the transistor. The second light-blocking portion has a thickness which is smaller than a thickness of the first light-blocking portion. The color spacer is disposed on the second light-blocking portion.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: May 21, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi-Seop Shim, Cheol-Gon Lee, Chul Huh, Yui-Ku Lee
  • Publication number: 20130077284
    Abstract: A display apparatus includes a display panel, a light source, a polarizer, and a transparent reflective element. The display panel includes a color filter including a first portion and a second portion in a pixel area. The first portion has a first light transmittance. The second portion has a second light transmittance higher than the first light transmittance. The light source provides a light to the display panel. The polarizer is disposed between the light source and the display. The polarizer polarizes the light. The transparent reflective element is spaced apart from the display panel. The transparent reflective element reflects an image provided from the display panel.
    Type: Application
    Filed: August 24, 2012
    Publication date: March 28, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD
    Inventors: Jong-Woong Chang, Chul Huh, Kyong-Sik Choi, Sang-Hun Lee, Yui-Ku Lee
  • Patent number: 8363186
    Abstract: A thin film transistor includes: a substrate; a thin film transistor formed on the substrate; a first color filter and a second color filter formed on the thin film transistor and each having a through hole; a capping layer formed on the first color filter and the second color filter; and a pixel electrode formed on the capping layer and connected to the thin film transistor through the through hole, wherein the capping layer formed on the first color filter has a first opening exposing the through hole of the first color filter, the size of the first opening is larger than the size of the through hole, the capping layer formed on the second color filter has a second opening disposed inside the through hole of the second color filter, and the size of the second opening is smaller than the size of the through hole. Accordingly, the capping layer completely covers the green color filter which prevents damage to the green color filter in a dry etching process, and also prevents changes of a color coordinate.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: January 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Seuk Kim, Young-Je Cho, Chul Huh, Yong-Jo Kim, Sung-Hoon Kim, Yui-Ku Lee, Chang-Soon Jang
  • Patent number: 8319917
    Abstract: A color filter composition is provided. The color filter composition according to an exemplary embodiment includes a colorant A including a pigment or a dye, a binder resin B, an initiator C, and an assistance colorant D, wherein the initiator absorbs light of an ultraviolet wavelength, and the assistance colorant has a transmittance of more than 60% between about wavelengths 300 nm to 400 nm.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: November 27, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yui-Ku Lee, Sang Hun Lee, Yun Ho Lee, Se Ah Kwon, Sun-Young Chang, Jin A Seo
  • Publication number: 20120257148
    Abstract: A liquid crystal display includes a color filter including a dye and a pigment, and the color filter is formed from a compound represented by the following Formula 1. wherein R1 is hydrogen or a substituted or unsubstituted C1-C5 alkyl group, X1, X2, and X3 are independently a NR2R3 group, OR4, a R5C?CR6R7 group, or a OC(?O)R8C?CR9R10 group, and R2 to R10 are independently hydrogen or a substituted or unsubstituted C1-C5 alkyl group.
    Type: Application
    Filed: July 18, 2011
    Publication date: October 11, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Seuk KIM, Chul HUH, Yui-Ku LEE, Sun-Young CHANG
  • Patent number: 8184243
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a substrate; a red color filter, a green color filter, and a blue color filter arranged on the substrate and respectively including a red pigment, a green pigment, and a blue pigment; and a transparent color filter including a passivation layer including at least one of the red pigment, the green pigment, and the blue pigment, and the passivation layer is simultaneously formed with a spacer, the spacer including the same material as the passivation layer.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: May 22, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Seuk Kim, Byoung-Joo Kim, Yui-Ku Lee, Chang-Soon Jang
  • Publication number: 20120086895
    Abstract: A liquid crystal display device with improved display quality is provided. The liquid crystal display device includes a signal line formed on a first substrate to extend generally in a first direction, a color filter at least partially overlapping the signal line, a black matrix pattern separated from the color filters by a separation region, and a column spacer pattern formed on the separation region.
    Type: Application
    Filed: April 4, 2011
    Publication date: April 12, 2012
    Inventors: Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee, Se-Ah Kwon
  • Publication number: 20120038867
    Abstract: 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: Application
    Filed: April 4, 2011
    Publication date: February 16, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-Ah KWON, Sang-Hun LEE, Gwan-Soo KIM, Yui-Ku LEE
  • Publication number: 20110304804
    Abstract: A display device includes a light emitting unit and a display panel including a first color filter. The light emitting unit includes a light source generating a blue light, and a light-converting part converting the blue light into a white light and emitting the white light to an exterior. The first color filter, through which the white light passes, includes a first coloring agent that absorbs about 95% to about 100% of light having wavelength of about 420 nm to about 470 nm in the white light. Thus, a color reproducibility of the display device may be improved.
    Type: Application
    Filed: November 1, 2010
    Publication date: December 15, 2011
    Inventors: Yui-Ku LEE, Chul HUH, Jin-Seuk KIM, Min KANG, Dong-Uk KANG, Sun-Young CHANG
  • Patent number: 8071406
    Abstract: An array substrate includes a substrate including a display area and a peripheral area surrounding the display area, a transistor layer formed in the display area of the substrate and electrically connected to a gate line and a data line, a color filter formed in a pixel region on the transistor layer, a first light blocking member disposed between adjacent color filters, a first transparent member formed on the first light blocking member to cover the first light blocking member, a first color pattern formed in a peripheral area of the substrate and including substantially the same material as the color filter, and a second transparent member including substantially the same material as the first transparent member. The second transparent member is disposed in the peripheral area of the substrate to cover the first color pattern.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: December 6, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Ki Kwak, Min Kang, Se-Ah Kwon, Hyang-Shik Kong, Byung-Duk Yang, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
  • Publication number: 20110291102
    Abstract: A thin film transistor array panel includes a substrate, a first thin film transistor formed on the substrate, a color filter formed on the first thin film transistor and having a through hole, a capping layer formed on the color filter and having an opening, and a pixel electrode formed on the capping layer and connected to the first thin film transistor through the through hole. The opening exposes the color filter outside the through hole.
    Type: Application
    Filed: August 11, 2011
    Publication date: December 1, 2011
    Inventors: Jin-Seuk KIM, Yui-Ku LEE, Byoung-Joo KIM, Chul HUH
  • Patent number: 8026522
    Abstract: A thin film transistor array panel includes a substrate, a first thin film transistor formed on the substrate, a color filter formed on the first thin film transistor and having a through hole, a capping layer formed on the color filter and having an opening, and a pixel electrode formed on the capping layer and connected to the first thin film transistor through the through hole. The opening exposes the color filter outside the through hole.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: September 27, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Seuk Kim, Yui-Ku Lee, Byoung-Joo Kim, Chul Huh
  • Publication number: 20110222014
    Abstract: 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: Application
    Filed: October 8, 2010
    Publication date: September 15, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gwan-Soo Kim, Chul Huh, Jin-Seuk Kim, Sang-Hun Lee, Yui-Ku Lee
  • Publication number: 20110187631
    Abstract: 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: Application
    Filed: October 22, 2010
    Publication date: August 4, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Hun LEE, Chul HUH, Gwan-Soo KIM, Se-Ah KWON, Yui-Ku LEE
  • Publication number: 20110180798
    Abstract: A display substrate includes a transistor, a black matrix and a color spacer. The transistor is connected to a gate line, and a data line crossing the gate line. The black matrix includes a first light-blocking portion covering the gate line and the data line, and a second light-blocking portion covering a channel of the transistor. The second light-blocking portion has a thickness which is smaller than a thickness of the first light-blocking portion. The color spacer is disposed on the second light-blocking portion.
    Type: Application
    Filed: September 30, 2010
    Publication date: July 28, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Yi-Seop SHIM, Cheol-Gon LEE, Chul HUH, Yui-Ku LEE
  • Publication number: 20110122357
    Abstract: 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: Application
    Filed: May 28, 2010
    Publication date: May 26, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sun-Young Chang, Chul Huh, Sang-Hun Lee, Gwan-Soo Kim, Yui-Ku Lee
  • Publication number: 20110109852
    Abstract: A thin film transistor includes: a substrate; a thin film transistor formed on the substrate; a first color filter and a second color filter formed on the thin film transistor and each having a through hole; a capping layer formed on the first color filter and the second color filter; and a pixel electrode formed on the capping layer and connected to the thin film transistor through the through hole, wherein the capping layer formed on the first color filter has a first opening exposing the through hole of the first color filter, the size of the first opening is larger than the size of the through hole, the capping layer formed on the second color filter has a second opening disposed inside the through hole of the second color filter, and the size of the second opening is smaller than the size of the through hole. Accordingly, the capping layer completely covers the green color filter which prevents damage to the green color filter in a dry etching process, and also prevents changes of a color coordinate.
    Type: Application
    Filed: May 19, 2010
    Publication date: May 12, 2011
    Inventors: Jin-Seuk KIM, Young-Je Cho, Chul Huh, Yong-Jo Kim, Sung-Hoon Kim, Yui-Ku Lee, Chang-Soon Jang
  • Patent number: 7932986
    Abstract: A liquid crystal display includes a first substrate, a first signal line formed on the first substrate, the first signal line including a first portion and a second portion, wherein the second portion is thinner than the first portion, a second signal line insulated from the first signal line, the second signal line crossing the first signal line, a thin film transistor connected to the second signal line, a pixel electrode connected to the thin film transistor, an insulating layer formed on the first signal line, the second signal line, and the thin film transistor, the insulating layer including a first portion and a second portion, a first spacer formed on the first portion of the insulating layer, and a second spacer formed on the second portion of the insulating layer, wherein the second portion of the insulating layer overlaps the second portion of the first signal line, and the first portion and the second portion of the insulating layer have different surface heights.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: April 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yui-Ku Lee, Chul Huh, Jin-Seuk Kim, Byoung-Joo Kim
  • Publication number: 20100085515
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a substrate; a red color filter, a green color filter, and a blue color filter arranged on the substrate and respectively including a red pigment, a green pigment, and a blue pigment; and a transparent color filter including a passivation layer including at least one of the red pigment, the green pigment, and the blue pigment, and the passivation layer is simultaneously formed with a spacer, the spacer including the same material as the passivation layer.
    Type: Application
    Filed: March 23, 2009
    Publication date: April 8, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-Seuk KIM, Byoung-Joo KIM, Yui-Ku LEE, Chang-Soon JANG