摘要:
According to the present invention, unstable hydrogen of 4,4′,5,5′-tetranitro-2,2′-biimidazole, which is a promising material for insensitive high-performance molecular explosives, may be stabilized by aminoguanidium to provide di(aminoguanidium) 4,4′,5,5′-tetranitro-2,2′-biimidazole, thereby solving the hygroscopicity of 4,4′,5,5′-tetranitro-2,2′-biimidazole, and enhancing performance and insensitivity thereof.
摘要:
A liquid crystal display includes a color filter including a dye and a pigment, and the color filter is formed from a compound represented by the following Formula 1. wherein R1 is hydrogen or a substituted or unsubstituted C1-C5 alkyl group, X1, X2, and X3 are independently a NR2R3 group, OR4, a R5C═CR6R7 group, or a OC(═O)R8C═CR9R10 group, and R2 to R10 are independently hydrogen or a substituted or unsubstituted C1-C5 alkyl group.
摘要:
A liquid crystal display according to an exemplary embodiment of the present invention includes: a substrate; a red color filter, a green color filter, and a blue color filter arranged on the substrate and respectively including a red pigment, a green pigment, and a blue pigment; and a transparent color filter including a passivation layer including at least one of the red pigment, the green pigment, and the blue pigment, and the passivation layer is simultaneously formed with a spacer, the spacer including the same material as the passivation layer.
摘要:
A thin film transistor includes: a substrate; a thin film transistor formed on the substrate; a first color filter and a second color filter formed on the thin film transistor and each having a through hole; a capping layer formed on the first color filter and the second color filter; and a pixel electrode formed on the capping layer and connected to the thin film transistor through the through hole, wherein the capping layer formed on the first color filter has a first opening exposing the through hole of the first color filter, the size of the first opening is larger than the size of the through hole, the capping layer formed on the second color filter has a second opening disposed inside the through hole of the second color filter, and the size of the second opening is smaller than the size of the through hole. Accordingly, the capping layer completely covers the green color filter which prevents damage to the green color filter in a dry etching process, and also prevents changes of a color coordinate.
摘要:
A color filter substrate includes a plurality of color filters and a first dummy pattern. The color filters are formed in a display area. The color filters include a plurality of colors. The first dummy pattern is formed in a peripheral area surrounding the display area. The first dummy pattern has a color identical to one of the colors. An edge portion of the first dummy pattern corresponding to an apex of the display area is rounded. Therefore, the reliability of a color filter manufacturing process may be improved, the reliability of the color filter may be improved, and the generation of stain defects having a radial shape may be prevented, so that display quality may be improved.
摘要:
Disclosed is a method for the nitration of 4,6-dihydroxy-2-methylpyrimidine for the synthesis of 4,6-dihydroxy-5,5-dinitro-2-(dinitromethylene)-2,5-dihydropyrimidine which is used as a precursor of 1,1-diamino-2,2-dinitroethylene, one type of explosives. The present invention provides an improved method for the nitration of 4,6-dihydroxy-2-methylpyrimidine, wherein organic solvent is applied in the nitration process of 4,6-dihydroxy-2-methylpyrimidine thereby solving the safety problem while improving the yield of nitration.
摘要:
A liquid crystal display includes a first substrate, a first signal line formed on the first substrate, the first signal line including a first portion and a second portion, wherein the second portion is thinner than the first portion, a second signal line insulated from the first signal line, the second signal line crossing the first signal line, a thin film transistor connected to the second signal line, a pixel electrode connected to the thin film transistor, an insulating layer formed on the first signal line, the second signal line, and the thin film transistor, the insulating layer including a first portion and a second portion, a first spacer formed on the first portion of the insulating layer, and a second spacer formed on the second portion of the insulating layer, wherein the second portion of the insulating layer overlaps the second portion of the first signal line, and the first portion and the second portion of the insulating layer have different surface heights.
摘要:
A synthesis of an energetic prepolymer used as a high-energy binder for an insensitive and high performance explosive is disclosed. More specifically, provided are a novel compound 2-nitratoethyl oxirane expressed by formula III, a novel compound poly(2-nitratoethyl oxirane) expressed by formula IV, obtained by polymerization of 2-nitratoethyl oxirane used as a monomer and a preparation method thereof. The compound, used as an energetic prepolymer and a monomer for preparation thereof can substitute for existing poly(glycidyl nitrate) (PGN) which has been known to be a promising one having the best performance among existing energetic prepolymers, but which has a problem to be self-decomposed after synthesis of polyurethane elastomer, to solve this problem
摘要:
The present invention relates to a gravure printing method comprising providing a printing substrate where a plurality of recessed cells are formed adjacently each other; filling the recessed cells with ink using an ink jet apparatus which includes a plurality of nozzle heads to jet different colors of inks; and transferring the ink in the recessed cells to an insulating substrate. Thus, the present invention provides a gravure printing method which has a simple process and an improved yield.
摘要:
Disclosed are novel compounds that can be used as an energetic binder used for improving the performance and the properties of a high explosive, and a preparation method thereof. More specifically, provided are glycidyl dinitropropyl formal of chemical formula IV having a nitro group (—NO2) as an energy group and having no hydrogen bonding to carbon to which the nitro group is binding, poly(glycidyl dinitropropyl formal) of chemical formula V polymerized using the glycidyl dinitropropyl formal as a monomer, and a preparation method thereof