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).
-
Publication number: 20240136474Abstract: A method of manufacturing a display device includes providing an adhesive material layer on a display panel, curing the adhesive material layer to form an adhesive layer, providing a cover layer on the adhesive layer, and adhering the cover layer to the adhesive layer, and a modulus of the adhesive layer at room temperature is in a range of about 103 Pa to about 106 Pa.Type: ApplicationFiled: June 4, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., LTD.Inventors: Ji Yun BANG, Jung Wook KIM, Hee Chang KIM, Eun Joong MUN, Kyoung Hee PARK, Hyeon Deuk HWANG
-
Patent number: 11968874Abstract: An organic light-emitting display device includes quantum dots and an RGB color filter layer having quantum dots and thus is capable of removing 100% of interference among red, green, and blue color filters.Type: GrantFiled: May 26, 2020Date of Patent: April 23, 2024Assignee: IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Jea Gun Park, Seung Jae Lee, Ji Eun Lee, Seo Yun Kim
-
Patent number: 11967044Abstract: 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: GrantFiled: March 24, 2021Date of Patent: April 23, 2024Assignee: Silicon Works Co., Ltd.Inventors: Byung Cheol Song, Dong Yoon Choi, Ji Yun Park
-
Patent number: 11966119Abstract: 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: GrantFiled: August 28, 2020Date of Patent: April 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hye Lim Jang, Young Gu Kim, Ji Yun Park, Jong Ho Son, Jong Min Ok, Sun Young Chang, Baek Kyun Jeon, Kyung Seon Tak
-
Publication number: 20240107862Abstract: There are provided a display device and a method of fabricating a display device. The display device includes: a substrate including a first surface and a second surface opposite to the first surface; a display element layer disposed on the first surface of the substrate, and a panel bottom member disposed on the second surface of the substrate. The panel bottom member includes: a light-blocking layer including a first base resin and light-blocking particles dispersed in the first base resin; a buffer layer including a second base resin; and a thermal protection member including a thermal protection material. A profile of the light-blocking layer conforms to a profile of the buffer layer in a plan view, and a surface of the light-blocking layer and a surface of the buffer layer are in direct contact with each other.Type: ApplicationFiled: May 25, 2023Publication date: March 28, 2024Inventors: Eun Joong MUN, Shinya ONOUE, Jung Wook KIM, Hee Chang KIM, Kyoung Hee PARK, Ji Yun BANG
-
Publication number: 20240103259Abstract: Provided are a plenoptic microscope system having a structure in which a microlens array (MLA) is installed between an object and a microscope optical system and a general microscope camera is used as an image sensor, and an image processing apparatus for performing plenoptic imaging with information acquired from the same. In the plenoptic microscope system, an MLA including at least one microlens having a number of apertures (NA) similar to that of an objective lens of a microscope optical system is positioned at the front end of an incidence part of the microscope optical system and the objective lens is positioned at a focal length of the MLA or on an image plane of the MLA. The plenoptic image processing apparatus generates Plenoptic 1.0 and/or 2.0 images.Type: ApplicationFiled: August 24, 2023Publication date: March 28, 2024Inventors: Munseob Lee, Chihoon Kim, Sang Yun Kim, Ji Won Park
-
Publication number: 20240030510Abstract: A method for reducing waste by recovering transition metal of a lithium secondary battery of the present invention includes preparing a cathode active material from a cathode of the lithium secondary battery, producing a first leachate by treating the cathode active material with a first acidic solution containing a reducing agent in an amount smaller than an amount corresponding to a reaction equivalent of the cathode active material, and producing a second leachate by treating the remaining cathode active material, which excludes a fraction contained in the first leachate, with a second acidic solution containing a reducing agent. Accordingly, extraction rate of manganese and purity of cobalt may be improved.Type: ApplicationFiled: June 14, 2023Publication date: January 25, 2024Inventors: Ji Yun PARK, Hyeon Hui LEE, Keum Jung YOON
-
Publication number: 20230335694Abstract: 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: June 13, 2023Publication date: October 19, 2023Applicant: 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
-
Publication number: 20230250507Abstract: In a method for recovering an active metal of a lithium secondary battery, a sulfuric acid solution is added to a lithium metal composite oxide so as to prepare a sulfated active material solution. A transition metal is extracted from the sulfated active material solution. A lithium precursor is recovered by adding a lithium extracting agent to the solution remaining after the transition metal has been extracted from the sulfated active material solution. In the method, the amount of impurities is reduced, and sulfuric acid and the neutralizing agent can be recycled so that a high-yield lithium precursor recovery is enabled.Type: ApplicationFiled: May 31, 2021Publication date: August 10, 2023Inventors: Hyeon Hui LEE, Ji Yun PARK, Young Bin SEO, Seung Ok LEE, Sung Real SON
-
Publication number: 20230238599Abstract: In a method for recovering active metals from a lithium secondary battery according to exemplary embodiments, a cathode active material mixture including a lithium composite oxide may be reacted with a reducing reaction gas under a pressurized condition and washed with water. In this case, a large amount of the cathode active material mixture may be treated within a shortened process time, and the active metal may be recovered with high yield and high efficiency.Type: ApplicationFiled: May 28, 2021Publication date: July 27, 2023Inventors: Suk Joon HONG, Ji Min KIM, Ji Yun PARK, Sung Real SON
-
Patent number: 11705544Abstract: 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: GrantFiled: May 13, 2021Date of Patent: July 18, 2023Assignee: 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
-
Publication number: 20230200139Abstract: A display device includes a substrate including a display area, and a non-display area, and dams disposed in the non-display area. Each of the dams surrounds the display area, the dams include a first dam adjacent to the display area, second dams surrounding the first dam, and third dams surrounding the second dams. The second dams are spaced apart from each other, the third dams are spaced apart from each other, and opposing ends of at least one of the second dams and the third dams has a curvature.Type: ApplicationFiled: July 28, 2022Publication date: June 22, 2023Applicant: Samsung Display Co., LTD.Inventors: Suk Kung CHEI, Young Gu KIM, Yun Hee PARK, Ji Yun PARK, Kyung Seon TAK, Bong Sung SEO
-
Publication number: 20230155077Abstract: A display device is provided. The display device comprises a transistor layer disposed on a substrate, a light emitting element layer disposed on the transistor layer, a wavelength conversion layer disposed on the light emitting element layer, and a first capping layer disposed on the wavelength conversion layer, wherein the first capping layer includes a base, and hollow particles mixed in the base. The base includes polysilazane, the polysilazane including siloxane.Type: ApplicationFiled: June 22, 2022Publication date: May 18, 2023Applicant: Samsung Display Co., LTD.Inventors: Ji Yun PARK, Young Gu KIM, Yun Hee PARK, Suk Kung CHEI, Kyung Seon TAK
-
Publication number: 20230128904Abstract: A display device and a method of manufacturing the display device are provided. The display device includes pixels and a bank including an opening overlapping each of the pixels in a plan view, light emitting elements disposed in the pixels, a color conversion layer disposed on the light emitting elements in the opening of the bank, and an optical layer disposed on the color conversion layer in the opening of the bank. The optical layer includes an organic layer surrounding voids of the optical layer.Type: ApplicationFiled: May 23, 2022Publication date: April 27, 2023Applicant: Samsung Display Co., LTD.Inventors: Young Gu KIM, Yun Hee PARK, Ji Yun PARK, Suk Kung CHEI, Kyung Seon TAK
-
Publication number: 20230100380Abstract: A display device includes a light emitting element disposed on a substrate. A color conversion layer is disposed on the light emitting element, the color conversion layer including color conversion particles that convert light of a first color emitted from the light emitting element into light of a second color. An insulating layer is disposed on the color conversion layer. The insulating layer includes a first inorganic layer overlapping the color conversion layer, a second inorganic layer disposed on the first inorganic layer, and a third inorganic layer disposed on the second inorganic layer. A second porosity of the second inorganic layer is greater than a first porosity of the first inorganic layer. A second porosity of the second inorganic layer is greater than a third porosity of the third inorganic layer.Type: ApplicationFiled: April 19, 2022Publication date: March 30, 2023Applicant: Samsung Display Co., LTD.Inventors: Young Gu KIM, Yun Hee PARK, Ji Yun PARK, Suk Kung CHEI, Kyung Seon TAK
-
Publication number: 20230078207Abstract: 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: November 16, 2022Publication date: March 16, 2023Inventors: Young Gu KIM, Ji Yun PARK, Jong Ho SON, Jong Min OK, Sun-Young CHANG, Hye Lim JANG, Baek Kyun JEON, Kyung Seon TAK
-
Publication number: 20230049078Abstract: A method of recovering a cathode active material precursor according to an embodiment of the present invention includes preparing a cathode active material mixture including a lithium composite oxide, separating lithium from the cathode active material mixture to form a preliminary transition metal precursor, acid-treating the preliminary transition metal precursor to form a complex transition metal salt solution, and adding an acidic extractant to the complex transition metal salt solution and then adding a basic compound to recover a transition metal precursor, and thus the extraction rate of transition metals can be improved.Type: ApplicationFiled: December 8, 2020Publication date: February 16, 2023Inventors: Myoung Lae KIM, Ji Yun PARK, Hyeon Hui LEE
-
Publication number: 20230048057Abstract: In a method of recovering an active metal of a lithium secondary battery, a cathode active material mixture is prepared from a waste cathode of a lithium secondary. The cathode active material mixture is reacted with a reductive reaction gas to form a preliminary precursor mixture having a reduction degree of transition metal defined by Equation 1 in a range from 0.24 to 1.6. A lithium precursor is recovered from the preliminary precursor mixture. A lithium recovery rationis improved by adjusting the reduction degree of transition metal.Type: ApplicationFiled: January 25, 2021Publication date: February 16, 2023Inventors: Suk Joon HONG, Hyeon Jung KIM, Sung Real SON, Dong Wook HA, Ji Min KIM, Ji Yun PARK
-
Publication number: 20230041748Abstract: A display device may include: a substrate including a display area including a pixel area, and a non-display area including a pad area and located at at least one side of the display area; a pixel in the pixel area, the pixel including an emission area in which at least one light emitting element is located, and a non-emission area adjacent to the emission area; a pad in the pad area, the pad being electrically connected to the pixel; a first layer on the light emitting element at the pixel area; and a second layer in the pixel area and the pad area, the second layer including a pad opening formed exposing at least a portion of the pad. The first layer may include an organic layer including a hollow particle. The first layer may be spaced from the pad opening and covered with the second layer.Type: ApplicationFiled: March 24, 2022Publication date: February 9, 2023Inventors: Kyung Seon TAK, Young Gu KIM, Yun Hee PARK, Ji Yun PARK, Suk Kung CHEI
-
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