Abstract: An light bulb, comprising: a bulb shell, a bulb base connected to the bulb shell; a stem connected to the bulb base and located in the bulb shell; and a flexible LED filament, disposed in the bulb shell, further comprising a plurality of supporting arms respectively comprising two ends, an end of each of the supporting arm is connected to the stem and another end of each of the supporting arm is connected to the flexible LED filament, wherein the stem comprises a stand extending to the center of the bulb shell, the stand supports the supporting arms.
Type:
Grant
Filed:
April 24, 2019
Date of Patent:
April 20, 2021
Assignee:
ZHEJIANG SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD
Abstract: An LED filament light bulb, comprising: a lamp housing with inner surface and outer surface opposite to the inner surface of the lamp housing, the lamp housing includes a layer of luminescent material, which is formed on the inner surface or the outer surface of the lamp housing or integrated in the material of the lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing; and a single filament, disposed in the light housing, the LED filament comprising: a plurality of LED filament units, wherein each of the plurality of LED filament units includes a single LED chip with an upper surface and a lower surface opposite to the upper surface. The LED filament light bulb further comprising a plurality of supporting arms, connected with and supporting the LED filament, wherein the stem comprises a stand extending to the center of the lamp housing, the stand supports the supporting arms.
Type:
Grant
Filed:
March 3, 2019
Date of Patent:
April 13, 2021
Assignee:
ZHEJIANG SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD
Abstract: Various embodiments disclosed relate to visually transparent UV-absorbing coatings including ZnO nanoparticles. The coating includes ZnO nanoparticles, hydroxy(C1-C10)alkyl cellulose, a dispersant, and less than about 5 wt % water.
Type:
Grant
Filed:
December 16, 2019
Date of Patent:
April 13, 2021
Assignee:
Iowa State University Research Foundation, Inc.
Abstract: An organic light emitting diode (OLED) display includes a first substrate, a second substrate facing the first substrate, a sealing member interposed between the first substrate and the second substrate, the sealing member including a siloxane material, a semiconductor layer on the first substrate, a planarization layer on the semiconductor layer, and a barrier rib on the planarization layer. The planarization layer or the barrier rib may also include the siloxane material.
Type:
Grant
Filed:
June 17, 2019
Date of Patent:
April 13, 2021
Assignee:
SAMSUNG DISPLAY CO., LTD.
Inventors:
Gwui-Hyun Park, Pil Soon Hong, Chul Won Park, Jeong Min Park, Hyun Jin Son
Abstract: To optimize the primary particle size of a modified PTFE fine powder to shorten the sintering time during the extrusion molding. A modified polytetrafluoroethylene fine powder which is a fine powder of a non-melt-processable modified polytetrafluoroethylene comprising units derived from tetrafluoroethylene, units derived from hexafluoropropylene, units derived from a perfluoro(alkyl vinyl ether) represented by CF2?CFO—CnF2n+1 (n is an integer of from 1 to 6) and units derived from a (perfluoalkyl)ethylene represented by CH2?CH—CmF2m+1 (m is an integer of from 3 to 7).
Abstract: It is provided a refrigerator appliance (1) having at least one internal liner (2), in particular a cabinet liner or a door liner, defining an inner compartment (3) and made of a polypropylene-based material comprising a propylene-ethylene copolymer having a main polypropylene chain with ethylene units arranged along the polypropylene chain; and at least one lamellar or fibrolamellar filler. The material makes it possible to effectively manufacture the liner (2) by thermoforming.
Abstract: A portable light may employ a light source positioned adjacent an optical element. The light source may be configured as a light emitting diode generating light with a wavelength primarily within the range of 530 nm to 700 nm with a relative peak intensity of 550 nm to 650 nm. The optical element may be configured to manipulate the emitted light into a beam or other light pattern having specific characteristics such as a certain diameter and/or shape, a certain amount of spill, and/or a certain amount of backscatter. Certain embodiments may be especially useful for emergency and rescue operations performed under conditions such as fire generated smoke.
Abstract: The present specification relates to a compound containing nitrogen, and a color conversion film, a backlight unit, and a display device, including the same.
Type:
Grant
Filed:
April 22, 2019
Date of Patent:
March 23, 2021
Assignee:
LG CHEM, LTD.
Inventors:
Seonkyoung Son, Milim Lee, Cheol Jun Song, Minju Kim, Hoyong Lee
Abstract: The present invention provides an organic compound represented by general formula [1] described in claims. In general formula [1], Ar1 and Ar2 are each independently selected from an aryl group and a heteroaryl group. In general formula [1], R1 to R3 are each a hydrogen atom or a substituent. R4 is an electron-withdrawing substituent. X1 is oxygen or sulfur. Y1 to Y3 are each independently selected from a carbon atom and a nitrogen atom.
Abstract: An optical film having a heat resistance of 120° C. or higher, a tear strength of 1.5 N/mm or more, a water vapor transmission rate of 50 g/m2·day or less, and having absolute values |Re| and |Rth| of an in-plane retardation Re and a thickness-direction retardation Rth each being 1 nm or less; and a polarizing plate having the same. Preferably, the optical film includes a polymer containing a block A having the unit (a) of the hydrogenated product of the aromatic vinyl compound; and a copolymer block B having the unit (a) of the hydrogenated product of the aromatic vinyl compound and the unit (b) of the hydrogenated product of the diene compound.
Abstract: A resin composition is provided which has high transparency, light guiding properties and luminescent properties and can guide light therethrough with little change in chromaticity. A shaped article such as an optical element including the resin composition is also provided. The resin composition includes an acrylic block copolymer (A) and a light diffusing agent (B), wherein the acrylic block copolymer (A) has at least one structure in which polymer blocks (a1) based on methacrylic acid ester units are bonded to both ends of a polymer block (a2) based on acrylic acid ester units, and has a weight average molecular weight of 10,000 to 150,000 and a tensile elastic modulus of 1 to 1,500 MPa, the light diffusing agent (B) is rutile titanium oxide having an average particle size of 0.5 to 2.0 ?m, and the content of the light diffusing agent (B) is 0.5 to 10 ppm (on mass basis) based on the acrylic block copolymer (A).
Type:
Grant
Filed:
February 9, 2018
Date of Patent:
March 2, 2021
Assignee:
KURARAY CO., LTD.
Inventors:
Toshiaki Sugawara, Makoto Akai, Dai Kataoka
Abstract: Disclosed are a superhydrophobic and self-cleaning radiative cooling film and a preparation method thereof. The preparation method includes the following steps: 1) dissolving P (VDFx-HFPy) and PDMS in a composite polar solvent to obtain a translucent composite polymer solution of P (VDFx-HFPy)/PDMS; 2) adding a non-solvent dropwise to the obtained solution to allow for a phase separation of P (VDFx-HFPy)/PDMS to form a sol; 3) casting the sol; drying the cast sol to obtain a film are porous inside with micro/nano rough structures of low surface-energy on the surface. The preparation method of the present invention is simple, and can be used for large-scale production.
Type:
Grant
Filed:
November 8, 2019
Date of Patent:
February 23, 2021
Assignee:
Shaanxi University of Science & Technology
Abstract: Disclosed are a near-infrared absorbing composition including a copper complex represented by Chemical Formula 1, a near-infrared absorption layer formed by using the near-infrared absorbing composition including the copper complex represented by Chemical Formula 1, an optical structure including the near-infrared absorption layer, and a camera module or an electronic device including the optical structure, wherein Chemical Formula 1 is provided below, and and in Chemical Formula 1, R1, R2, x, and y are the same as described in the detailed description.
Type:
Grant
Filed:
July 25, 2019
Date of Patent:
February 23, 2021
Assignee:
Samsung Electronics Co., Ltd.
Inventors:
Mi Jeong Kim, Myungsup Jung, Jong Hoon Won, Changki Kim
Abstract: The present invention relates to an optical article and an optical filter including the same. The optical filter: includes an optical article which has at least two absorption peaks, including a first and a second absorption peak, in the wavelength range of 380 nm to 1,200 nm by containing two or more kinds of near-infrared absorbing pigments, and thus shows a high average transmittance of 86% or greater for light having a wavelength in the visible wavelength range; can limit the maximum transmittance of light having a wavelength in the range of 800 nm to 1,100 nm below 0.5%, so as to prevent lens flare; and can reduce assembly defects due to flexure of an optical filter in the process of assembling the optical filter to an image capturing apparatus, thereby improving yield and productivity.
Type:
Grant
Filed:
April 4, 2018
Date of Patent:
February 2, 2021
Assignee:
LMS CO., LTD
Inventors:
Jeong Og Choi, Joon Ho Jung, Seon Ho Yang, Jin Ho Jung, Joo Young Kim
Abstract: A curable composition which can be used to produce a cured film that does not easily allow a near infrared-absorbing pigment to be eluted even when the cured film is immersed in a solvent is provided. A cured film, a near infrared cut filter, a camera module, and a method for manufacturing a camera module are also provided. The curable composition includes: a near infrared-absorbing pigment (A) and a curable compound (B) having one or more atoms or groups selected from a fluorine atom, a silicon atom, a linear alkyl group having 8 or more carbon atoms, and a branched alkyl group having 3 or more carbon atoms.
Abstract: A dispersion, a resin containing the dispersion and polymer film formed from the resin are disclosed. The dispersion includes an infrared light absorbing pigment including organo-metallic particles being less than 1.5 micrometer or less than one micrometer in size. The dispersion also includes a dispersant including phosphorus and a polyol.
Type:
Grant
Filed:
February 2, 2018
Date of Patent:
January 19, 2021
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
Inventors:
William W. Merrill, David T. Yust, Patrick M. Crain, Neeraj Sharma, Jung-Sheng Wu
Abstract: According to one embodiment of the present disclosure, a method of forming an ultraviolet-stabilized corrosion inhibitor is provided. The method includes forming a functionalized azole; forming a functionalized photosensitizer; and forming an ultraviolet-stabilized corrosion inhibitor by reacting the functionalized azole with the functionalized photosensitizer. In another embodiment, an ultraviolet-stabilized corrosion inhibitor is provided. The inhibitor includes an azole bonded to a photosensitizer. In another embodiment, an article of manufacture is provided. The article of manufacture includes a material comprising a reaction product of an azole and a photosensitizer.
Type:
Grant
Filed:
July 25, 2018
Date of Patent:
January 12, 2021
Assignee:
International Business Machines Corporation
Inventors:
Jason T. Wertz, Brandon M. Kobilka, Joseph Kuczynski, Jacob T. Porter
Abstract: A chemically amplified positive-type photosensitive resin composition capable of suppressing occurrence of footing in which the width of the bottom becomes narrower than that of the top in a nonresist section, denaturation of the surface of the metal substrate, and occurrence of a development residue, when a resist pattern serving as a template for a plated article is formed on a metal surface of the substrate having the metal surface by using the composition; a method for manufacturing a substrate with a template by using the composition; and a method for manufacturing a plated article using the substrate with the template. A mercapto compound having a specific structure is contained in the chemically resin composition which includes an acid generator, and a resin whose solubility in alkali increases under the action of acid.
Abstract: The present invention provides a method for preparing a vinyl chloride-based polymer and a vinyl chloride-based polymer prepared thereby, the method comprising a step for performing suspension polymerization of a monomer for preparing a vinyl chloride-based polymer in the presence of a polymerization initiator, a dispersant, and water soluble cellulose ether, wherein the dispersant includes a mixture of two or more kinds of polyvinyl alcohol having different degrees of saponification, and the mole average degree of saponification of the polyvinyl mixture is from 76 mol % to 80 mol %, and the water soluble cellulose ether has a gel point of 60° C. to 90° C. and is added before the initiation of polymerization or at a time in which the polymerization conversion rate is 70% or less.
Type:
Grant
Filed:
March 29, 2017
Date of Patent:
January 12, 2021
Assignee:
LG CHEM, LTD.
Inventors:
Yang Jun Jeon, Hyun Kyou Ha, Joong Chul Lim, Jin Hyuck Ju, Min Jeong Kang