Patents by Inventor Ji-yun Park
Ji-yun Park 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: 20230028682Abstract: The display device includes sub-pixels disposed in a display area, dummy pixels disposed in a non-display area, a first bank disposed at a boundary between the sub-pixels and including an opening, a second bank disposed at a boundary between the dummy pixels and including an opening, a color conversion layer disposed in the opening of the first bank, and an organic layer disposed in the opening of the second bank.Type: ApplicationFiled: February 11, 2022Publication date: January 26, 2023Applicant: Samsung Display Co., LTD.Inventors: Yun Hee PARK, Young Gu KIM, Ji Yun PARK, Suk Kung CHEI, Kyung Seon TAK
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Patent number: 11532674Abstract: A display device includes a display area including a first light-emitting area and a second light-emitting area; a peripheral area adjacent to the display area; pixels which emit incident light; an encapsulation layer covering the pixels; a first color-converting pattern corresponding to the first light-emitting area and having a refractivity; a transmission pattern corresponding to the second light-emitting area and through which the incident light is transmitted; a low refractivity layer is in the display area and facing the encapsulation layer with each of the first color-converting pattern and the transmission pattern therebetween, the low refractivity layer including: a resin and a hollow particle which define a refractivity lower than the refractivity of the first color-converting pattern; and a first dam structure in the peripheral area and spaced apart from the display area, the first dam structure and the transmission pattern being portions of a same material layer.Type: GrantFiled: June 24, 2020Date of Patent: December 20, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Gu Kim, Ji Yun Park, Jong Ho Son, Jong Min Ok, Sun-Young Chang, Hye Lim Jang, Baek Kyun Jeon, Kyung Seon Tak
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Publication number: 20220375996Abstract: A display device may include a substrate including a display area and a non-display area; and a plurality of pixels disposed in the display area, the plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include at least one light emitting element in the emission area; a first pixel electrode and a second pixel electrode electrically connected to the at least one light emitting element; a bank including a first opening corresponding to the emission area; a color conversion layer disposed in the emission area to correspond to the at least one light emitting element; a barrier layer disposed on the bank and the color conversion layer; and a low refractive layer disposed on the barrier layer. The barrier layer may include silicon oxide (SiOx) having cured polysilazane.Type: ApplicationFiled: January 3, 2022Publication date: November 24, 2022Applicant: Samsung Display Co., LTD.Inventors: Young Gu KIM, Chang Hee LEE, Yun Hee PARK, Ji Yun PARK, Bong Sung SEO, Baek Kyun JEON, Kyung Seon TAK
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Publication number: 20220262870Abstract: A display device comprises pixels including a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, and a fifth sub-pixel, each sub-pixel including an emission area, wherein the first sub-pixel and the fourth sub-pixel emit light of a first color, the second sub-pixel and the fifth sub-pixel emit light of a second color, the third sub-pixel emits light of a third color, a first emission area of the first sub-pixel, a second emission area of the second sub-pixel, a fourth emission area of the fourth sub-pixel, and a fifth emission area of the fifth sub-pixel surround a third emission area of the third sub-pixel, and the third emission area of the third sub-pixel has four interior angles equal to or greater than about 180 degrees, and another four interior angles equal to or less than about 90 degrees.Type: ApplicationFiled: October 5, 2021Publication date: August 18, 2022Applicant: Samsung Display Co., LTD.Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
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Publication number: 20220165816Abstract: A display device includes a substrate. The substrate includes a display area and a non-display area, and the display area includes an emission area and a non-emission area. A display element layer includes a light emitting element on the emission area of the substrate. A bank is on the display element layer and overlaps the non-display area and the non-emission area of the substrate in a plan view. A color conversion layer is on the display element layer, overlaps the emission area in the plan view, and is to convert a color of light emitted from the light emitting element. An organic insulating layer is on the color conversion layer and the bank. A maximum thickness of the bank is about 4 ?m to about 20 ?m. An average inclination angle of a first side surface of the bank adjacent to an edge of the substrate in the non-display area based on an upper surface of the substrate is less than or equal to about 45 degrees.Type: ApplicationFiled: August 4, 2021Publication date: May 26, 2022Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Duck Jong SUH, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
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Publication number: 20220140289Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer on the first electrode; an organic light-emitting layer on the first electrode; a second electrode on the organic light-emitting layer and the bank layer; a high-refractive lens on the second electrode and having a refractive index higher than a refractive index of a material that overlaps the first electrode and contacts a side surface of the high-refractive lens; a display panel including an encapsulation member that is on the high-refractive lens; and an optical path adjustment film on the display panel. The optical path adjustment film includes a plurality of protruding patterns on the encapsulation member and a cover layer in spaces between adjacent protruding patterns from among the plurality of protruding patterns. A refractive index of each of the protruding patterns is smaller than a refractive index of the cover layer.Type: ApplicationFiled: August 16, 2021Publication date: May 5, 2022Inventors: Kyung Seon TAK, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON
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Publication number: 20220123183Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.Type: ApplicationFiled: May 13, 2021Publication date: April 21, 2022Applicant: Samsung Display Co., LTD.Inventors: Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK, Jae Jin LYU
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Publication number: 20220037623Abstract: A low refractive layer and a display device are provided. The display device includes a plurality of light-emitting elements, a color conversion layer on the light-emitting elements, and a low refractive layer on the color conversion layer, wherein the low refractive layer includes a monomer represented by Formula 1. In Formula 1, R1 and R3 may each independently be a substituted or unsubstituted alkyl group or hydrogen, R2 may be a substituted or unsubstituted alkyl group having two or more carbon atoms, Xa, Xb, and Xc may each independently be a curable functional group, and n and m may each independently be a natural number in a range of 1 to 5.Type: ApplicationFiled: February 19, 2021Publication date: February 3, 2022Inventors: Ji Yun PARK, Young Gu KIM, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
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Publication number: 20210304358Abstract: Provided is a device for upscaling resolution based on a slice image, in which a low-resolution image is divided into a plurality of slice images so that a high-resolution image is generated. The device includes a convolution operation unit configured to convert a low-resolution input slice image into a high-resolution output slice image using a convolutional neural network. The convolutional neural network includes a cascading block configured to perform a convolution operation using a convolution filter having a predetermined size and a residual operation on an input feature map generated from the low-resolution input slice image to generate an output feature map, and an upscaling block configured to upscale the output feature map to generate the high-resolution output slice image.Type: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Inventors: Byung Cheol SONG, Dong Yoon CHOI, Ji Yun PARK
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Publication number: 20210126056Abstract: A display device includes a display area including a first light-emitting area and a second light-emitting area; a peripheral area adjacent to the display area; pixels which emit incident light; an encapsulation layer covering the pixels; a first color-converting pattern corresponding to the first light-emitting area and having a refractivity; a transmission pattern corresponding to the second light-emitting area and through which the incident light is transmitted; a low refractivity layer is in the display area and facing the encapsulation layer with each of the first color-converting pattern and the transmission pattern therebetween, the low refractivity layer including: a resin and a hollow particle which define a refractivity lower than the refractivity of the first color-converting pattern; and a first dam structure in the peripheral area and spaced apart from the display area, the first dam structure and the transmission pattern being portions of a same material layer.Type: ApplicationFiled: June 24, 2020Publication date: April 29, 2021Inventors: Young Gu KIM, Ji Yun PARK, Jong Ho SON, Jong Min OK, Sun-Young CHANG, Hye Lim JANG, Baek Kyun JEON, Kyung Seon TAK
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Publication number: 20210072600Abstract: An optical film for a display device, includes: a first refractive layer having an upper surface and a lower surface including first projections and second projections extending away from the lower surface in a first direction, the second projections having different heights than the first projections, the first projections having lateral sides with different angles of inclination that decrease in the first direction; and a second refractive layer disposed directly on the upper surface of the first refractive layer, the second refractive layer having a refractive index different from that of the first refractive layer.Type: ApplicationFiled: August 28, 2020Publication date: March 11, 2021Inventors: Hye Lim JANG, Young Gu KIM, Ji Yun PARK, Jong Ho SON, Jong Min OK, Sun Young CHANG, Baek Kyun JEON, Kyung Seon TAK
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Patent number: 10877196Abstract: A polarizer and a manufacturing method of a polarizer are provided. The polarizer includes: an alignment layer including a cured liquid crystalline material and having a plurality of concave portions defined on its surface to extend in a first direction; and a polarizing material layer containing a dye and disposed on the surface of the alignment layer on which the concave portions are defined.Type: GrantFiled: February 9, 2018Date of Patent: December 29, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kyung Hee Lee, Jae Hong Park, Ji Yun Park, Hyung Guen Yoon, Jae Bok Chang
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Patent number: 10591777Abstract: A display device comprising: a first substrate, a second substrate facing the first substrate, a color conversion layer disposed on one surface of the second substrate and including quantum dots; a first circular polarizer disposed on the color conversion layer and a second circular polarizer disposed on either one surface of the first substrate facing one surface of the second substrate or the other surface opposed to the one surface of the first substrate.Type: GrantFiled: August 28, 2017Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyung Guen Yoon, Jae Hong Park, Dong Han Song, Ji Yun Park, Sang Hee Yu, Kyung Seon Tak
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Patent number: 10519316Abstract: A dye compound represented by formula (A): wherein, in formula (A), CycA1 and each CycA0 are each independently 1,4-phenylene or 1,4-cyclohexylene, each EA0 is independently a single bond, *—(C?O)O—*, *—O(C?O)—*, C1-4 alkylene of the formula *—(CH2)k—* wherein k is a natural number, *—CH?CH—*, or *—C?C—*, j1 is an integer of 1 to 3, each AR is independently 1,4-phenylene or j2 is an integer of 1 or 2, LA1 is a single bond, *—O—*, *—(C?O)O—*, or *—O(C?O)—*, LA2 and LA3 are each independently a single bond or *—O—*, k1 is an integer of 0 to 12, k2 is an integer of 6 to 10, RA1 is a hydrogen atom, an acrylate group, or a methacrylate group, and RA2 is a hydrogen atom, a hydroxy group, an alkyl group, an alkoxy group, orType: GrantFiled: September 8, 2017Date of Patent: December 31, 2019Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Hyung Guen Yoon, Jae Hong Park, Ji Yun Park, Kyung Hee Lee, Jae Bok Chang, Kyung Seon Tak
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Patent number: 10442931Abstract: Provided are a dye compound, a composition comprising the dye compound, and a display device using the dye compound. The dye compound is represented by Formula 1.Type: GrantFiled: September 18, 2017Date of Patent: October 15, 2019Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Jae Bok Chang, Ji Yun Park, Jae Hong Park, Hyung Guen Yoon, Kyung Hee Lee, Kyung Seon Tak
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Publication number: 20190072700Abstract: A polarizer and a manufacturing method of a polarizer are provided. The polarizer includes: an alignment layer including a cured liquid crystalline material and having a plurality of concave portions defined on its surface to extend in a first direction; and a polarizing material layer containing a dye and disposed on the surface of the alignment layer on which the concave portions are defined.Type: ApplicationFiled: February 9, 2018Publication date: March 7, 2019Inventors: Kyung Hee LEE, Jae Hong PARK, Ji Yun PARK, Hyung Guen YOON, Jae Bok CHANG
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Publication number: 20180355179Abstract: Provided are a dye compound, a composition comprising the dye compound, and a display device using the dye compound. The dye compound is represented by Formula 1.Type: ApplicationFiled: September 18, 2017Publication date: December 13, 2018Inventors: Jae Bok CHANG, Ji Yun PARK, Jae Hong PARK, Hyung Guen YOON, Kyung Hee LEE, Kyung Seon TAK
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Publication number: 20180355181Abstract: A dye compound represented by formula (A): wherein, in formula (A), CycA1 and each CycA0 are each independently 1,4-phenylene or 1,4-cyclohexylene, each EA0 is independently a single bond, *—(C?O)O—*, *—O(C?O)—*, C1-4 alkylene of the formula *—(CH2)k—* wherein k is a natural number, *—CH?CH—*, or *—C?C—*, j1 is an integer of 1 to 3, each AR is independently 1,4-phenylene or j2 is an integer of 1 or 2, LA1 is a single bond, *—O—*, *—(C?O)O—*, or *—O(C?O)—*, LA2 and LA3 are each independently a single bond or *—O—*, k1 is an integer of 0 to 12, k2 is an integer of 6 to 10, RA1 is a hydrogen atom, an acrylate group, or a methacrylate group, and RA2 is a hydrogen atom, a hydroxy group, an alkyl group, an alkoxy group, orType: ApplicationFiled: September 8, 2017Publication date: December 13, 2018Inventors: Hyung Guen YOON, Jae Hong PARK, Ji Yun PARK, Kyung Hee LEE, Jae Bok CHANG, Kyung Seon TAK
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Publication number: 20180348416Abstract: A polarizer comprises: an alignment layer including a photocured polymer material having a plurality of recessed portions formed at a surface to extend in a first direction; and a polarizing material layer disposed on the surface of the alignment layer having the recessed portions, the polarizing material layer including thermotropic liquid crystals and a dichroic dye.Type: ApplicationFiled: September 20, 2017Publication date: December 6, 2018Inventors: Kyung Hee LEE, Jae Hong PARK, Ji Yun PARK, Hyung Guen YOON, Jae Bok CHANG, Kyung Seon TAK
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Publication number: 20180081242Abstract: A display device comprising: a first substrate, a second substrate facing the first substrate, a color conversion layer disposed on one surface of the second substrate and including quantum dots; a first circular polarizer disposed on the color conversion layer and a second circular polarizer disposed on either one surface of the first substrate facing one surface of the second substrate or the other surface opposed to the one surface of the first substrate.Type: ApplicationFiled: August 28, 2017Publication date: March 22, 2018Inventors: Hyung Guen YOON, Jae Hong PARK, Dong Han SONG, Ji Yun PARK, Sang Hee YU, Kyung Seon TAK