Patents by Inventor Taek-Joon LEE
Taek-Joon 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).
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Patent number: 12048220Abstract: A display device according to an embodiment includes a light emitting unit including a first light emitting diode to emit first blue light, a second light emitting diode to emit second blue light, the second blue light being different from the first blue light in central wavelength, and a quantum dot color conversion unit including a quantum dot color conversion layer on and overlapping the second light emitting diode.Type: GrantFiled: September 2, 2021Date of Patent: July 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Taek Joon Lee, Sang Hee Yu, Jae Jin Lyu, Seung Hee Jang, Baek Hee Lee, Jun Woo Lee
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Patent number: 11726354Abstract: A display device including a first substrate, a pixel disposed on the first substrate and including first, second and third sub-pixel electrodes adjacent to each other, a second substrate spaced from the first substrate, a color conversion layer disposed on the second substrate and with a first wavelength conversion layer overlapping with the first sub pixel electrode and a second wavelength conversion layer overlapping with the second sub pixel electrode, a transmissive layer including a first sub-transmissive layer overlapping with the third sub-pixel electrode and a second sub-transmissive layer disposed between the first wavelength conversion layer and the second wavelength conversion layer, and a planarization layer disposed on the color conversion layer and the transmissive layer. A method of manufacturing a display device having a flatter planarization layer with reduced variations in thickness is also disclosed.Type: GrantFiled: May 11, 2021Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon
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Patent number: 11650441Abstract: A display device including: a first substrate; first through third subpixel electrodes which are disposed on the first substrate to neighbor each other; a second substrate opposing the first substrate; a first wavelength conversion pattern at least partially overlapping the first subpixel electrode and a second wavelength conversion pattern at least partially overlapping the second subpixel electrode; a first light transmission pattern at least partially overlapping the third subpixel electrode and a second light transmission pattern disposed between the first wavelength conversion pattern and the second wavelength conversion pattern; and a low refractive layer which has a lower refractive index than the first and second wavelength conversion patterns.Type: GrantFiled: October 19, 2020Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon, Kyung Seon Tak
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Publication number: 20220190041Abstract: A display device according to an embodiment includes a light emitting unit including a first light emitting diode to emit first blue light, a second light emitting diode to emit second blue light, the second blue light being different from the first blue light in central wavelength, and a quantum dot color conversion unit including a quantum dot color conversion layer on and overlapping the second light emitting diode.Type: ApplicationFiled: September 2, 2021Publication date: June 16, 2022Inventors: Taek Joon LEE, Sang Hee YU, Jae Jin LYU, Seung Hee JANG, Baek Hee LEE, Jun Woo LEE
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Patent number: 11281045Abstract: Provided are a wavelength conversion layer and a display device. A color conversion element comprises: a wavelength conversion layer; one or more low refractive layers which are disposed on and/or under the wavelength conversion layer and have a lower refractive index than the wavelength conversion layer; and one or more capping layers which are disposed between the wavelength conversion layer and the low refractive layers and/or on a surface opposite to a surface of each of the low refractive layers which faces the wavelength conversion layer.Type: GrantFiled: June 16, 2021Date of Patent: March 22, 2022Assignee: Samsung Display Co., Ltd.Inventors: Taek Joon Lee, Young Gu Kim, Keun Chan Oh, Sun Young Chang, Hye Lim Jang, Baek Kyun Jeon, Jin Soo Jung, Kyung Seon Tak, Jae Jin Lyu, Moon Jung Baek
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Publication number: 20210311338Abstract: Provided are a wavelength conversion layer and a display device. A color conversion element comprises: a wavelength conversion layer; one or more low refractive layers which are disposed on and/or under the wavelength conversion layer and have a lower refractive index than the wavelength conversion layer; and one or more capping layers which are disposed between the wavelength conversion layer and the low refractive layers and/or on a surface opposite to a surface of each of the low refractive layers which faces the wavelength conversion layer.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Inventors: Taek Joon LEE, Young Gu KIM, Keun Chan OH, Sun Young CHANG, Hye Lim JANG, Baek Kyun JEON, Jin Soo JUNG, Kyung Seon TAK, Jae Jin LYU, Moon Jung BAEK
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Publication number: 20210263345Abstract: A display device including a first substrate, a pixel disposed on the first substrate and including first, second and third sub-pixel electrodes adjacent to each other, a second substrate spaced from the first substrate, a color conversion layer disposed on the second substrate and with a first wavelength conversion layer overlapping with the first sub pixel electrode and a second wavelength conversion layer overlapping with the second sub pixel electrode, a transmissive layer including a first sub-transmissive layer overlapping with the third sub-pixel electrode and a second sub-transmissive layer disposed between the first wavelength conversion layer and the second wavelength conversion layer, and a planarization layer disposed on the color conversion layer and the transmissive layer. A method of manufacturing a display device having a flatter planarization layer with reduced variations in thickness is also disclosed.Type: ApplicationFiled: May 11, 2021Publication date: August 26, 2021Inventors: Jin Soo JUNG, Young Gu KIM, Taek Joon LEE, Hye Lim JANG, Baek Kyun JEON
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Patent number: 11067844Abstract: A color conversion display panel includes a first color conversion layer and a second color conversion layer disposed on a color conversion substrate and including semiconductor nanocrystals, and a transmission layer, wherein a first distance between the first and second color conversion layers is different from a second distance between one of the first and second color conversion layers and the transmission layer.Type: GrantFiled: August 14, 2017Date of Patent: July 20, 2021Inventors: Young Gu Kim, Jin-Soo Jung, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon
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Patent number: 11042059Abstract: Provided are a wavelength conversion layer and a display device. A color conversion element comprises: a wavelength conversion layer; one or more low refractive layers which are disposed on and/or under the wavelength conversion layer and have a lower refractive index than the wavelength conversion layer; and one or more capping layers which are disposed between the wavelength conversion layer and the low refractive layers and/or on a surface opposite to a surface of each of the low refractive layers which faces the wavelength conversion layer.Type: GrantFiled: May 28, 2020Date of Patent: June 22, 2021Assignee: Samsung Display Co., Ltd.Inventors: Taek Joon Lee, Young Gu Kim, Keun Chan Oh, Sun Young Chang, Hye Lim Jang, Baek Kyun Jeon, Jin Soo Jung, Kyung Seon Tak, Jae Jin Lyu, Moon Jung Baek
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Patent number: 11029544Abstract: A display device including a first substrate, a pixel disposed on the first substrate and including first, second and third sub-pixel electrodes adjacent to each other, a second substrate spaced from the first substrate, a color conversion layer disposed on the second substrate and with a first wavelength conversion layer overlapping with the first sub pixel electrode and a second wavelength conversion layer overlapping with the second sub pixel electrode, a transmissive layer including a first sub-transmissive layer overlapping with the third sub-pixel electrode and a second sub-transmissive layer disposed between the first wavelength conversion layer and the second wavelength conversion layer, and a planarization layer disposed on the color conversion layer and the transmissive layer. Methods of manufacturing display devices having a flatter, planarization layer with reduced variations in thickness also is disclosed.Type: GrantFiled: July 13, 2017Date of Patent: June 8, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon
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Patent number: 10962821Abstract: A display device includes a first base substrate; a liquid crystal layer disposed on the first base substrate; an overcoat layer disposed on the liquid crystal layer and including epoxy polymer; a color conversion layer disposed on the overcoat layer; and a second base substrate disposed on the color conversion layer. The epoxy polymer is a polymer obtained by polymerizing 1 part to 50 parts by weight of a cardo-based binder resin; 1 part to 50 parts by weight of an epoxy-based monomer; and 1 part to 50 parts by weight of a bisphenol-based resin, with respect to 100 parts by weight.Type: GrantFiled: November 6, 2017Date of Patent: March 30, 2021Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon
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Publication number: 20210048712Abstract: A display device including: a first substrate; first through third subpixel electrodes which are disposed on the first substrate to neighbor each other; a second substrate opposing the first substrate; a first wavelength conversion pattern at least partially overlapping the first subpixel electrode and a second wavelength conversion pattern at least partially overlapping the second subpixel electrode; a first light transmission pattern at least partially overlapping the third subpixel electrode and a second light transmission pattern disposed between the first wavelength conversion pattern and the second wavelength conversion pattern; and a low refractive layer which has a lower refractive index than the first and second wavelength conversion patterns.Type: ApplicationFiled: October 19, 2020Publication date: February 18, 2021Inventors: Jin Soo JUNG, Young Gu KIM, Taek Joon LEE, Hye Lim JANG, Baek Kyun JEON, Kyung Seon TAK
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Patent number: 10852580Abstract: A display device including: a first substrate; first through third subpixel electrodes which are disposed on the first substrate to neighbor each other; a second substrate opposing the first substrate; a first wavelength conversion pattern at least partially overlapping the first subpixel electrode and a second wavelength conversion pattern at least partially overlapping the second subpixel electrode; a first light transmission pattern at least partially overlapping the third subpixel electrode and a second light transmission pattern disposed between the first wavelength conversion pattern and the second wavelength conversion pattern; and a low refractive layer which has a lower refractive index than the first and second wavelength conversion patterns.Type: GrantFiled: January 29, 2018Date of Patent: December 1, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon, Kyung Seon Tak
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Patent number: 10824012Abstract: A display device and a method of manufacturing a display device are provided. The display device includes: a base substrate; a color conversion pattern disposed on the base substrate; and a low refractive layer disposed on the base substrate, stacked with the color conversion pattern, and having a lower refractive index than the color conversion pattern. The low refractive layer includes a first base resin and particle clusters dispersed in the first base resin, and the particle clusters include a plurality of particles and bridges that combine the particles.Type: GrantFiled: September 7, 2018Date of Patent: November 3, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Keun Chan Oh, Sun Young Chang, Hye Lim Jang, Baek Kyun Jeon, Kyung Seon Tak
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Publication number: 20200292859Abstract: Provided are a wavelength conversion layer and a display device. A color conversion element comprises: a wavelength conversion layer; one or more low refractive layers which are disposed on and/or under the wavelength conversion layer and have a lower refractive index than the wavelength conversion layer; and one or more capping layers which are disposed between the wavelength conversion layer and the low refractive layers and/or on a surface opposite to a surface of each of the low refractive layers which faces the wavelength conversion layer.Type: ApplicationFiled: May 28, 2020Publication date: September 17, 2020Inventors: Taek Joon LEE, Young Gu KIM, Keun Chan OH, Sun Young CHANG, Hye Lim JANG, Baek Kyun JEON, Jin Soo JUNG, Kyung Seon TAK, Jae Jin LYU, Moon Jung BAEK
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Patent number: 10678091Abstract: Provided are a wavelength conversion layer and a display device. A color conversion element comprises: a wavelength conversion layer; one or more low refractive layers which are disposed on and/or under the wavelength conversion layer and have a lower refractive index than the wavelength conversion layer; and one or more capping layers which are disposed between the wavelength conversion layer and the low refractive layers and/or on a surface opposite to a surface of each of the low refractive layers which faces the wavelength conversion layer.Type: GrantFiled: September 26, 2018Date of Patent: June 9, 2020Assignee: Samsung Display Co., Ltd.Inventors: Taek Joon Lee, Young Gu Kim, Keun Chan Oh, Sun Young Chang, Hye Lim Jang, Baek Kyun Jeon, Jin Soo Jung, Kyung Seon Tak, Jae Jin Lyu, Moon Jung Baek
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Patent number: 10593842Abstract: Provided are display device and method for fabricating the same. According to an aspect of the present disclosure, there is provided a display device comprising: a first substrate; at least one wavelength conversion layer disposed on the first substrate; a capping layer disposed on the wavelength conversion layer and comprising a porous layer; and a first polarizing layer disposed on the capping layer.Type: GrantFiled: November 3, 2017Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon, Jin Soo Jung
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Patent number: 10578923Abstract: A liquid crystal display device includes first substrate including a display area in which a plurality of pixels are disposed and a non-display area which surrounds the display area, and a light-shielding member disposed on the first substrate, the light-shielding member disposed on boundaries between the plurality of pixels and on the entire non-display area and defining an alignment layer dam pattern, which is in the shape of a recess, in the non-display area, where the alignment layer dam pattern surrounds the display area and has step-type height differences on a side of the display area.Type: GrantFiled: August 21, 2018Date of Patent: March 3, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Min Kim, Jin Won Kim, Sung Jae Yun, Taek Joon Lee, Sun Kyu Joo
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Patent number: 10495927Abstract: A display device according to an exemplary embodiment includes: a thin film transistor array panel; and a color conversion display panel overlapping the thin film transistor array panel, the color conversion display panel including: a substrate; a color conversion layer positioned between the substrate and the thin film transistor array panel and including a semiconductor nanocrystal; a transparent layer positioned between the substrate and the thin film transistor array panel; and at least one of a first buffer layer positioned between the color conversion layer and the substrate and between the transparent layer and the substrate, and a second buffer layer positioned between the color conversion layer and the thin film transistor array panel and between the transparent layer and the thin film transistor array panel, and at least one of the first buffer layer and the second buffer layer includes a porous layer.Type: GrantFiled: June 22, 2018Date of Patent: December 3, 2019Assignee: Samsung Display Co., Ltd.Inventors: Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon, Jin-Soo Jung, Young Bong Cho
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Patent number: 10466542Abstract: A display device includes a first substrate, a wavelength conversion layer disposed on the first substrate, an inorganic film disposed on the wavelength conversion layer, a flattening film disposed on the inorganic film, and a first polarizing layer disposed on the flattening film, where a difference between a coefficient of thermal expansion of the flattening film and a coefficient of thermal expansion of the inorganic film is about 50 ppm/K or less.Type: GrantFiled: February 21, 2019Date of Patent: November 5, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Gu Kim, Taek Joon Lee, Baek Kyun Jeon, Jin Soo Jung