Patents by Inventor Kaeun KIM
Kaeun 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).
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Patent number: 11526052Abstract: A backlight unit which includes a light guiding layer having an incident surface on which light is incident and an exit surface from which light is emitted, a light source disposed on the incident surface of the light guiding layer and configured to generate the light, a low refraction layer disposed on the exit surface of the light guiding layer, a color control layer disposed on the low refraction layer, and a protection layer disposed on the color control layer.Type: GrantFiled: December 23, 2019Date of Patent: December 13, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ho Lim, Kaeun Kim, Taemin Kim, Kawon Pak, Duckjong Suh, Bongsung Seo, Jaejin Lyu, Shulgee Lee
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Publication number: 20200241362Abstract: A backlight unit which includes a light guiding layer having an incident surface on which light is incident and an exit surface from which light is emitted, a light source disposed on the incident surface of the light guiding layer and configured to generate the light, a low refraction layer disposed on the exit surface of the light guiding layer, a color control layer disposed on the low refraction layer, and a protection layer disposed on the color control layer.Type: ApplicationFiled: December 23, 2019Publication date: July 30, 2020Inventors: Ho Lim, Kaeun Kim, Taemin Kim, Kawon Pak, Duckjong Suh, Bongsung Seo, Jaejin Lyu, Shulgee Lee
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Publication number: 20200233144Abstract: A backlight unit includes: a light guiding member including an incident surface on which light is incident and an exit surface from which the light is emitted; a light source adjacent to the incident surface of the light guiding member and configured to generate the light; a low refraction layer disposed on the exit surface of the light guiding member; a color conversion layer disposed on the low refraction layer; and an optical layer disposed on the color conversion layer, wherein the optical layer has a pencil hardness of 4 H or greater.Type: ApplicationFiled: October 11, 2019Publication date: July 23, 2020Inventors: HO LIM, Kaeun KIM, Taemin KIM, Duckjong SUH, Bongsung SEO, Seulgee LEE
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Patent number: 9971201Abstract: A liquid crystal display is provided. The liquid crystal display includes a pair of substrates; and a pixel electrode and a common electrode provided on the pair of substrates and facing each other. The pixel electrode includes: a cross pattern at a center thereof; a plate electrode surrounding the cross pattern; and a plurality of minute branch electrodes extending in a diagonal direction outward from the plate electrode. A partial extension structure of the plate electrode is formed in at least a partial boundary region located between the plate electrode and the plurality of minute branch electrodes.Type: GrantFiled: May 12, 2015Date of Patent: May 15, 2018Assignee: Samsung Display Co., Ltd.Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
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Patent number: 9823512Abstract: A liquid crystal display device includes a first substrate on which a pixel electrode is formed, a second substrate on which a common electrode is formed and a liquid crystal layer disposed between the first substrate and the second substrate. The pixel electrode includes a first plate electrode, a first slit pattern which is a hole formed in the first plate electrode and includes a cross-shaped stem slit and a plurality of branch slits extending in both directions from the stem slit, and a plurality of branch electrodes which protrude from outer side portions of the first plate electrode. The common electrode includes a second plate electrode and a second slit pattern formed in the second plate electrode and including a plurality of holes arranged in a rhombus form.Type: GrantFiled: April 24, 2015Date of Patent: November 21, 2017Assignee: Samsung Display Co., Ltd.Inventors: Haksun Chang, Cheol Shin, Kaeun Kim, Kichul Shin, Sehyun Lee
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Patent number: 9575375Abstract: Provided is a liquid-crystal display (LCD) device. The LCD device includes: one pair of substrates; and a pixel electrode and a common electrode that are provided on the one pair of substrates to respectively face each other, wherein the pixel electrode includes: one pair of plate electrodes in which a horizontal slit and a plurality of first vertical slits that cross the horizontal slit are formed and that are divided by the horizontal slit and surround both sides of a cross pattern formed by the horizontal slit and the plurality of first vertical slits; and a plurality of fine branch electrodes that are obliquely formed to be connected to the plate electrode at a portion of the cross pattern including a point at which the horizontal slit and the first vertical slit cross each other, wherein one pixel region includes a first subpixel area and a second subpixel area that are divided by the horizontal slit.Type: GrantFiled: January 29, 2015Date of Patent: February 21, 2017Assignee: Samsung Display Co., Ltd.Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
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Publication number: 20160062190Abstract: An LCD apparatus includes a a pixel electrode including a first subpixel electrode and a second subpixel electrode, to which a voltage lower than a voltage applied to the first subpixel electrode is applied and which forms a predetermined space with the first subpixel electrode and surrounds the first subpixel electrode, a common electrode having a cross-type opening pattern, and a liquid crystal layer. The first subpixel electrode includes, a first plate electrode, a plurality of first branch electrodes protruding from sides of the first plate electrode, a trunk electrode extending from a corner of the first plate electrode in a lengthwise direction of the cross-type opening pattern and having a trunk surface that faces one end portion of the cross-type opening pattern and is inclined at a predetermined angle with respect to the lengthwise direction, and a plurality of second branch electrodes protruding from sides of the trunk electrode.Type: ApplicationFiled: April 24, 2015Publication date: March 3, 2016Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Sehyun Lee, Kichul Shin
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Publication number: 20160062189Abstract: A liquid crystal display device includes a first substrate on which a pixel electrode is formed, a second substrate on which a common electrode is formed and a liquid crystal layer disposed between the first substrate and the second substrate. The pixel electrode includes a first plate electrode, a first slit pattern which is a hole formed in the first plate electrode and includes a cross-shaped stem slit and a plurality of branch slits extending in both directions from the stem slit, and a plurality of branch electrodes which protrude from outer side portions of the first plate electrode. The common electrode includes a second plate electrode and a second slit pattern formed in the second plate electrode and including a plurality of holes arranged in a rhombus form.Type: ApplicationFiled: April 24, 2015Publication date: March 3, 2016Inventors: Haksun Chang, Cheol Shin, Kaeun Kim, Kichul Shin, Sehyun Lee
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Publication number: 20160048062Abstract: Provided is a liquid-crystal display (LCD) device. The LCD device includes: one pair of substrates; and a pixel electrode and a common electrode that are provided on the one pair of substrates to respectively face each other, wherein the pixel electrode includes: one pair of plate electrodes in which a horizontal slit and a plurality of first vertical slits that cross the horizontal slit are formed and that are divided by the horizontal slit and surround both sides of a cross pattern formed by the horizontal slit and the plurality of first vertical slits; and a plurality of fine branch electrodes that are obliquely formed to be connected to the plate electrode at a portion of the cross pattern including a point at which the horizontal slit and the first vertical slit cross each other, wherein one pixel region includes a first subpixel area and a second subpixel area that are divided by the horizontal slit.Type: ApplicationFiled: January 29, 2015Publication date: February 18, 2016Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
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Publication number: 20160033828Abstract: Provided is a liquid crystal display. The liquid crystal display includes a pair of substrates and a pixel electrode and a common electrode provided on the pair of substrates and facing each other. The pixel electrode includes a plurality of minute branch electrodes alternating with each other.Type: ApplicationFiled: March 26, 2015Publication date: February 4, 2016Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
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Publication number: 20150355511Abstract: A liquid crystal display is provided. The liquid crystal display includes a pair of substrates; and a pixel electrode and a common electrode provided on the pair of substrates and facing each other. The pixel electrode includes: a cross pattern at a center thereof; a plate electrode surrounding the cross pattern; and a plurality of minute branch electrodes extending in a diagonal direction outward from the plate electrode. A partial extension structure of the plate electrode is formed in at least a partial boundary region located between the plate electrode and the plurality of minute branch electrodes.Type: ApplicationFiled: May 12, 2015Publication date: December 10, 2015Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
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Patent number: 9046712Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.Type: GrantFiled: May 30, 2012Date of Patent: June 2, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kim, Kaeun Kim, Su Jeong Kim, Kichul Shin, Hokil Oh, Jae-Hoon Jung, Minju Han
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Publication number: 20130128168Abstract: A liquid crystal display including a first substrate, a second substrate, and liquid crystal molecules disposed between the first substrate and the second substrate. The first substrate includes a first base substrate and a common electrode disposed on the first base substrate. The second substrate includes a second base substrate facing the first base substrate and a first pixel electrode disposed on the second base substrate. The first pixel electrode includes a first area and a second area which form different electric fields in cooperation with the common electrode. Accordingly, the liquid crystal display enhances an aperture ratio and increases a side viewing angle.Type: ApplicationFiled: May 30, 2012Publication date: May 23, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hoon KIM, Kaeun KIM, Su Jeong KIM, Kichul SHIN, Hokil OH, Jae-Hoon JUNG, Minju HAN