Patents Examined by Eli D Strah
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Patent number: 11099410Abstract: A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.Type: GrantFiled: December 21, 2017Date of Patent: August 24, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Deukseok Chung, Shin Ae Jun, Tae Won Jeong, Yong Seok Han
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Patent number: 11053161Abstract: A multi-layer glass phosphor powder sheet and its preparation method, and a light-emitting device. The preparation method for the multi-layer glass phosphor powder sheet includes: mixing a first optical functional material, a glass powder and an organic carrier to obtain a first slurry, and mixing a second optical functional material, the glass powder and the organic carriers to obtain a second slurry; coating the first slurry on a first substrate, and drying it at a first temperature so that at least some of the organic carrier is volatilized, to obtain a first functional layer, the first temperature being lower than a softening point of the glass powder; coating the second slurry on the surface of the first functional layer, to obtain a second functional layer; and sintering the first substrate on which the functional layers are coated at a second temperature, to obtain the multi-layer glass phosphor powder sheet.Type: GrantFiled: March 27, 2015Date of Patent: July 6, 2021Assignee: APPOTRONICS CORPORATION LIMITEDInventors: Qian Li, Yanqing Deng, Zifeng Tian
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Patent number: 11046885Abstract: A layered structure including a photoluminescent layer including a quantum dot polymer composite; a light absorption layer disposed on the photoluminescent layer, the light absorption layer including an absorptive color-filter material; and a silicon containing layer disposed between the photoluminescent layer and the light absorption layer, wherein the quantum dot polymer composite includes a first polymer matrix and a plurality of quantum dots dispersed in the first polymer matrix, and the plurality of quantum dots absorb excitation light and emits light in a longer wavelength than the wavelength of the excited light; and the absorptive color-filter material is dispersed in a second polymer matrix, and the absorptive color-filter material absorbs the excitation light that passes through the photoluminescent layer and transmits the light emitted from the plurality of quantum dots and an electronic device including the same.Type: GrantFiled: December 18, 2018Date of Patent: June 29, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Gon Kim, Deukseok Chung, Jooyeon Ahn, Shin Ae Jun
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Patent number: 11048113Abstract: A display device includes: a display panel configured to display an image; a window panel covering the display panel, and including a display area configured to transmit the image and a non-display area surrounding the display area; and an adhesive layer between the display panel and the window panel, wherein the window panel includes: a window substrate facing the display panel; a protective layer on a portion of a surface of the window substrate in the non-display area; and a light blocking layer on the protective layer, wherein the protective layer is an organic-inorganic composite layer.Type: GrantFiled: June 13, 2016Date of Patent: June 29, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sanghoon Lim, Jaeyoung Yu, Jongsung You, Heuiweon Yun
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Patent number: 11034776Abstract: Regioselectively substituted cellulose esters having a plurality of pivaloyl substituents and a plurality of aryl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in films, such as +A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.Type: GrantFiled: March 27, 2020Date of Patent: June 15, 2021Assignee: Eastman Chemical CompanyInventors: Matthew Allen Boone, Christopher Harlan Burk, Peter Borden Mackenzie, Jennifer A. Fish, Eduardo Gallas Cervo, Elaine Beatrice Mackenzie, Robert Joseph Maleski, Wesley McConnell, David William Norman, Tabatha Stearns, Bin Wang
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Patent number: 10974487Abstract: A cover element for a foldable electronic device that includes a foldable glass element, first and second primary surfaces, and a compressive stress region extending from the first primary surface to a first depth that is defined by a stress ?I of at least about 100 MPa in compression at the first primary surface. The device also includes a polymeric layer disposed over the first primary surface. The glass element has a stress profile such that when the glass element is bent to a target bend radius of from 1 mm to 20 mm, to induce a bending stress ?B at the first primary surface in tension, ?I+?B<400 MPa (in tension). Further, the cover element can withstand a pen drop height of at least 1.5 times that of a control pen drop height of the cover element without the layer according to a Drop Test 1.Type: GrantFiled: August 31, 2018Date of Patent: April 13, 2021Assignee: Corning IncorporatedInventors: Polly Wanda Chu, Michael Patrick Donovan, Timothy Michael Gross, Louis Mattos, Jr., Prakash Chandra Panda, Robert Lee Smith, III
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Patent number: 10974482Abstract: A laminated film having a haze of 1.0% or less and including two kinds of silica particles (silica particles A and silica particles B) in a cured layer, wherein the occupied area proportion of the silica particles A on a cross-sectional TEM image of the cured layer is 0.5% to 20.0% and satisfies the following relationship with the occupied area proportion of the silica particles B: 0.005?occupied area proportion of silica particles A/occupied area proportion of silica particles B?0.400, the variation coefficient of the occupied area proportion of the silica particles A on the cross-sectional TEM image of the cured layer is more than 0.5% and 3.0% or less, and the variation coefficient of the occupied area proportion of the silica particles B is 0.0% to 0.5%; a production method thereof; a polarizing plate; a liquid crystal panel; a liquid crystal display; and a touch panel.Type: GrantFiled: October 16, 2018Date of Patent: April 13, 2021Assignee: FUJIFILM CorporationInventors: Masaaki Suzuki, Tatsuya Iwasaki, Katsuyuki Takada
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Patent number: 10968392Abstract: Provided are a liquid crystal alignment film capable of being given anisotropy through photoalignment and stable to light, and a liquid crystal display device capable of keeping a high voltage holding ratio without degradation of display quality even when exposed to strong light for a long period of time. To provide these, used is a liquid crystal aligning agent for photoalignment which contains a polymer having a structural unit containing a photoreactive structure and in which the structural unit containing a photoreactive structure undergoes chemical reaction by heating.Type: GrantFiled: October 30, 2018Date of Patent: April 6, 2021Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Yohei Koseki, Takehiko Kanbara
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Patent number: 10954054Abstract: A laminate includes the following substantially coextensive layers in the following order: (a) a non-sealable, self-supporting, thermoformable copolyester film layer having a first surface and a second surface, the second surface constituting an outermost, exposed surface of the laminate; (b) a laminating adhesive layer on the first surface of the thermoformable copolyester film layer; and (c) a self-supporting, thermoformable structural film layer having a first surface and a second surface, the first surface contacting the laminating adhesive layer.Type: GrantFiled: May 16, 2018Date of Patent: March 23, 2021Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Fenghua Deng, Peter N. Nugara, Stephen K. Franzyshen, Reps M. Haskins
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Patent number: 10948630Abstract: A display apparatus includes a display module having a display surface configured to display an image, and a window member disposed on the display surface. The window member includes a flexible base layer having a plurality of concave patterns defined on an upper portion thereof, and a plurality of hard coating patterns each disposed in a respective one of the concave patterns and having a hardness greater than the hardness of the flexible base layer.Type: GrantFiled: September 29, 2017Date of Patent: March 16, 2021Assignee: Samsung Display Co., Ltd.Inventors: Kyungtae Kim, Boa Kim, Sanghoon Kim, Hyunjoon Oh, Sang-il Park, Heonjung Shin, Hye-jin Oh, Jeoungsub Lee, Min-hoon Choi
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Patent number: 10899882Abstract: An object of the present invention is to provide a phase difference film that can exhibit sufficient reciprocal wavelength dispersibility. The present invention includes a copolymer containing at least one selected from a unit represented by Formula (1) and a unit represented by Formula (2), and a unit represented by Formula (3), in which 20 nm<Re (548)<300 nm, 0.5<Re (446)/Re (548)<1.0, and 1.0<Re (629)/Re (548)<2.0. Here, Re (446), Re (548), and Re (629) represent in-plane retardations at wavelengths of 446 nm, 548 nm, and 629 nm, respectively.Type: GrantFiled: December 18, 2019Date of Patent: January 26, 2021Assignee: FUJIFILM CorporationInventors: Shigeki Uehira, Naoyuki Morooka, Takafumi Nakayama
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Patent number: 10899697Abstract: Disclosed is a material for a vertical aligning agent, and a molecular structure of the material is shown in formula (I): R-L1P-L2nQ??(I) wherein Q is a polar anchor group, L1 is a rigid group, P is a polymerizable group, L2 is a linking group, R is a terminal flexible group, and n is in a range from 1 to 3. In the material, the polar anchor group is connected to the polymerizable group, which is beneficial to increase an aspect ratio of the material. Therefore, a fluid viscosity of the material can be reduced, and a diffusion effect of the material on a substrate can be improved.Type: GrantFiled: January 16, 2017Date of Patent: January 26, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Song Lan
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Patent number: 10883022Abstract: A pressure-sensitive adhesive composition for an optical film, includes a (meth)acryl-based polymer obtained by polymerization of a monomer component including, as a main component, an alkyl (meth)acrylate having an alkyl group of 4 to 18 carbon atoms; and a phosphate ester compound. The pressure-sensitive adhesive composition is capable of forming a pressure-sensitive adhesive layer for optical films. The pressure-sensitive adhesive layer that is for use on optical films and makes it possible to suppress an increase in the surface resistance of a transparent conductive layer even when a laminate including a transparent conductive layer and an optical film such as a polarizing plate with the pressure-sensitive adhesive layer interposed therebetween is stored under hot and humid conditions.Type: GrantFiled: June 24, 2014Date of Patent: January 5, 2021Assignee: NITTO DENKO CORPORATIONInventors: Mizuho Nagata, Toshitaka Takahashi, Yousuke Makihata, Kayo Shimokawa, Kenichi Okada, Toshitsugu Hosokawa
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Patent number: 10876046Abstract: A curable composition includes: (A) a quantum dot; (B) a binder resin including a structural unit represented by Chemical Formula 1-1, a structural unit represented by Chemical Formula 1-2, a structural unit represented by Chemical Formula 1-3, and a structural unit represented by Chemical Formula 2; and (C) a solvent. A resin layer is manufactured using the curable composition, and a display device includes the resin layer.Type: GrantFiled: December 4, 2018Date of Patent: December 29, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Jinsuop Youn, Minjee Park, Youn Je Ryu, Bumjin Lee, Jiyoung Jeong, Jong Kyu Choi
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Patent number: 10863632Abstract: The present disclosure provides a display device that include: a display panel that includes a display area and a peripheral area that is provided at the periphery of an edge of the display area; a window that is provided on one side of the display panel to protect the display panel; and an adhesive film that is provided between the display panel and the window to bond the display panel and the window to each other, wherein the adhesive film in an area that corresponds to the peripheral area and the adhesive film in an area that corresponds to the display area have different properties.Type: GrantFiled: July 20, 2017Date of Patent: December 8, 2020Inventor: Chui Hyun Choi
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Patent number: 10852455Abstract: A laminate of optical elements comprises a transparent first optical element, a second optical element, and a transparent pressure-sensitive adhesive layer for bonding the first optical element to the second optical element. The pressure-sensitive adhesive layer comprises a base adhesive zone, a transparent refractive index-adjusting zone. The base adhesive zone is made essentially of a transparent base pressure-sensitive adhesive material and formed over a given range from a first principal surface of the pressure-sensitive adhesive layer facing the first optical element, in a thickness direction of the pressure-sensitive adhesive layer. The a transparent, adherent, refractive index-adjusting zone is formed over a given range from a second principal surface of the pressure-sensitive adhesive layer facing the second optical element.Type: GrantFiled: January 16, 2015Date of Patent: December 1, 2020Assignee: NITTO DENKO CORPORATIONInventors: Toru Umemoto, Hirofumi Katami, Hiroyuki Takao, Takahiro Nonaka, Atsushi Yasui, Takami Hikita
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Patent number: 10836835Abstract: Regioselectively substituted cellulose esters having a plurality of aryl-acyl substituents and a plurality of alkyl-acyl substituents are disclosed along with methods for making the same. Such cellulose esters may be suitable for use in optical films, such as optical films having certain Nz values, ?A optical films, and/or +C optical films. Optical films prepared employing such cellulose esters have a variety of commercial applications, such as, for example, as compensation films in liquid crystal displays and/or waveplates in creating circular polarized light used in 3-D technology.Type: GrantFiled: October 28, 2019Date of Patent: November 17, 2020Assignee: Eastman Chemical CompanyInventors: Charles Michael Buchanan, Michael Eugene Donelson, Elizabeth Guzman-Morales, Peter Borden Mackenzie, Bin Wang
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Patent number: 10831066Abstract: The present invention provides a liquid crystal display device capable of maintaining a favorable voltage holding ratio for a long period of time and thereby reducing generation of image sticking not only at room temperature but also at high temperatures. The liquid crystal display device includes: paired substrates; a liquid crystal layer that is held between the paired substrates and contains liquid crystal molecules; and an alignment film disposed between at least one of the paired substrates and the liquid crystal layer, the alignment film containing quantum dots.Type: GrantFiled: March 3, 2017Date of Patent: November 10, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Hiroshi Tsuchiya, Masanobu Mizusaki
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Patent number: 10804417Abstract: Ink compositions for forming quantum dot-containing films are provided. Also provided are methods for forming the quantum dot-containing films via inkjet printing and photonic devices that incorporate the quantum dot-containing films as light-emitting layers. The ink compositions include the quantum dots, di(meth)acrylate monomers or a combination of di(meth)acrylate and mono(meth)acrylate monomers, and a one or more multifunctional crosslinking agents.Type: GrantFiled: October 6, 2017Date of Patent: October 13, 2020Assignee: KATEEVA, INC.Inventors: Florian Pschenitzka, Jianglong Chen, Elena Rogojina, Steven Van Slyke, Conor F. Madigan
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Patent number: 10804486Abstract: A display device is provided. The display device includes a cover window having a display area and a non-display area surrounding the display area, an adhesive layer in direct contact with a lower part of the cover window, a print layer disposed under the adhesive layer and including a plurality of layers, and a delamination reduction layer disposed under the print layer. In the delamination reduction layer, an opposite surface of one surface in contact with the print layer has a higher surface energy than a lowermost layer among the plurality of layers of the print layer.Type: GrantFiled: April 18, 2017Date of Patent: October 13, 2020Assignee: LG Display Co., Ltd.Inventors: Jaeyul Kim, Seunghoon Yang, HyeonSoo Hong, Byounghee Ku