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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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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Patent number: 11127914Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.Type: GrantFiled: June 16, 2020Date of Patent: September 21, 2021Assignee: Samsung Display Co., Ltd.Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Chi O Cho, Hyun Min Cho
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Publication number: 20210265529Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.Type: ApplicationFiled: May 10, 2021Publication date: August 26, 2021Applicant: Samsung Display Co., Ltd.Inventors: Dae Hyun KIM, Jong Hyuk KANG, Joo Yeol LEE, Hyun Deok IM, Chi O CHO, Hyun Min CHO
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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: 11005009Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.Type: GrantFiled: June 28, 2019Date of Patent: May 11, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Chi O Cho, Hyun Min Cho
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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: 20200313107Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.Type: ApplicationFiled: June 16, 2020Publication date: October 1, 2020Inventors: Hyun Deok IM, Jong Hyuk KANG, Dae Hyun KIM, Joo Yeol LEE, Chi O CHO, Hyun Min CHO
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Patent number: 10714701Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.Type: GrantFiled: February 12, 2019Date of Patent: July 14, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Chi O Cho, Hyun Min Cho
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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: 20190326474Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.Type: ApplicationFiled: June 28, 2019Publication date: October 24, 2019Inventors: Dae Hyun KIM, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Chi O Cho, Hyun Min Cho
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Patent number: 10340419Abstract: A light emitting device includes first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.Type: GrantFiled: July 13, 2017Date of Patent: July 2, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Chi O Cho, Hyun Min Cho
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Publication number: 20190173034Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.Type: ApplicationFiled: February 12, 2019Publication date: June 6, 2019Inventors: Hyun Deok IM, Jong Hyuk KANG, Dae Hyun KIM, Joo Yeol LEE, Chi O CHO, Hyun Min CHO
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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: 10211418Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.Type: GrantFiled: July 14, 2017Date of Patent: February 19, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Chi O Cho, Hyun Min Cho
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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