Patents by Inventor Chi-O Cho
Chi-O Cho 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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Publication number: 20240224566Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: ApplicationFiled: March 11, 2024Publication date: July 4, 2024Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
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Patent number: 11930652Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: December 12, 2022Date of Patent: March 12, 2024Assignee: Samsung Display Co., Ltd.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
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Publication number: 20230119269Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: ApplicationFiled: December 12, 2022Publication date: April 20, 2023Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
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Patent number: 11527733Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: February 18, 2021Date of Patent: December 13, 2022Assignee: Samsung Display Co., Ltd.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
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Publication number: 20210175453Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: ApplicationFiled: February 18, 2021Publication date: June 10, 2021Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
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Patent number: 10944068Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: November 26, 2019Date of Patent: March 9, 2021Assignee: Samsung Display Co., Ltd.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
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Publication number: 20200099004Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: ApplicationFiled: November 26, 2019Publication date: March 26, 2020Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
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Patent number: 10497889Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: November 28, 2018Date of Patent: December 3, 2019Assignee: Samsung Display Co., Ltd.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
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Publication number: 20190097149Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: ApplicationFiled: November 28, 2018Publication date: March 28, 2019Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
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Patent number: 10236463Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: April 20, 2018Date of Patent: March 19, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
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Patent number: 10191200Abstract: A quantum rod sheet includes: a first support layer including a plurality of grooves which extends substantially in a predetermined direction; a plurality of quantum rods arranged substantially in the predetermined direction along the grooves of the first support layer; and a second support layer which covers the first support layer and the quantum rods.Type: GrantFiled: July 22, 2016Date of Patent: January 29, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chi-O Cho, Dong Hoon Kim, Sang Woo Ha
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Publication number: 20180240992Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: ApplicationFiled: April 20, 2018Publication date: August 23, 2018Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
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Patent number: 9978973Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: February 22, 2017Date of Patent: May 22, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
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Patent number: 9899625Abstract: A display device includes pixels, each pixel including a first electrode, a first organic layer disposed on the first electrode, and a second electrode disposed on the first organic layer, in which the first electrode includes a first overlapping electrode portion overlapping each of the first organic layer and the second electrode, and a first non-overlapping electrode portion not overlapping the first organic layer and the second electrode, and connected to the first overlapping electrode portion.Type: GrantFiled: December 2, 2015Date of Patent: February 20, 2018Assignee: Samsung Display Co., LtdInventors: Hyesog Lee, Chi-o Cho, Jaejoong Kwon, Byungchoon Yang
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Publication number: 20170162815Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: ApplicationFiled: February 22, 2017Publication date: June 8, 2017Inventors: Chi-O CHO, Byungchoon YANG, Young-Jun SEO, Won Sang PARK
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Patent number: 9620737Abstract: An organic light emitting display apparatus includes a substrate including a pixel region, a first electrode on the substrate, a second electrode on the first electrode, an organic light emission layer between the first and second electrodes to emit light, a plurality of layers on the second electrode, and a light compensation pattern on the second electrode and overlapping the pixel region, the light compensation pattern including a plurality of protrusion patterns having progressively decreasing widths as a distance from a center of the pixel region increases, and a plurality of grooves separating the protrusions in a direction parallel to the substrate from the center of the pixel region.Type: GrantFiled: February 4, 2016Date of Patent: April 11, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyesog Lee, Chi-o Cho
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Patent number: 9583727Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: November 5, 2015Date of Patent: February 28, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
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Patent number: 9508280Abstract: A method of compensating color of a transparent display device includes generating a first pixel data by adding an input image pixel data and an external optical data which represents an effect of an external light on the transparent display device, generating a second pixel data having the same color as the input image pixel data by scaling the first pixel data, and generating an output image pixel data by subtracting the external optical data from the second pixel data.Type: GrantFiled: October 29, 2014Date of Patent: November 29, 2016Assignee: Samsung Display Co., Ltd.Inventors: Young-Jun Seo, Byung-Choon Yang, Chi-O Cho
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Publication number: 20160336528Abstract: A display device includes pixels, each pixel including a first electrode, a first organic layer disposed on the first electrode, and a second electrode disposed on the first organic layer, in which the first electrode includes a first overlapping electrode portion overlapping each of the first organic layer and the second electrode, and a first non-overlapping electrode portion not overlapping the first organic layer and the second electrode, and connected to the first overlapping electrode portion.Type: ApplicationFiled: December 2, 2015Publication date: November 17, 2016Inventors: Hyesog LEE, Chi-o CHO, Jaejoong KWON, Byungchoon YANG
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Publication number: 20160327720Abstract: A quantum rod sheet includes: a first support layer including a plurality of grooves which extends substantially in a predetermined direction; a plurality of quantum rods arranged substantially in the predetermined direction along the grooves of the first support layer; and a second support layer which covers the first support layer and the quantum rods.Type: ApplicationFiled: July 22, 2016Publication date: November 10, 2016Inventors: Chi-O CHO, Dong Hoon KIM, Sang Woo HA