摘要:
The present invention is directed to an electrophoretic slurry composition and an electrophoretic display device comprising the same, where the electrophoretic slurry comprises charged particles; polymer beads comprising an acryl- or vinyl-based repeating unit; and a fluid medium. Accordingly, the present invention has a high reactivity to a driving voltage, sustains images or text for a predetermined period of time or longer even when the driving voltage is switched off, and provides a high contrast ratio and enhanced visibility to implement high-quality text or images.
摘要:
The present description is directed to a method for fabricating an electrophoretic display device that includes: forming a partition wall on a first substrate; filling a charged particle slurry in a three-dimensional space sectioned by a photo-curable or thermosetting resin layer and a sealant defining an edge on the resin layer; and combining the first substrate and the photo-curable or thermosetting resin layer together to have the partition wall immersed in the charged particle slurry, which fabrication method minimizes the defective proportion of final products and provides an electrophoretic display device with a high contrast ratio and enhanced visibility to implement high-quality text.
摘要:
The present invention relates to an electrophoretic display device that includes: first and second substrates separated from each other by a predetermined distance; first and second electrodes formed on one side of the first and second substrates, respectively, and disposed to face each other; a black pattern layer formed on the first electrode; a plurality of partition walls formed between the first and second electrodes, one side of the partition walls on the first electrode being in contact with or overlapped with the black pattern layer; and a slurry of charged white particles filled between the partition walls. The electrophoretic display device can exhibit a high contrast ratio and enhanced visibility to realize high-quality text.
摘要:
The present invention relates to polyalkylsilsesquioxane particulates and a method of preparing the same, and more particularly provides the polyalkylsilsesquioxane particulates, of which moisture content is low, water repellency is high, and hygroscopic property in storage is low, and a method of preparing the same by end-capping silanol groups (SiOH) on the surface of the polyalkylsilsesquioxane particulates with alkyl groups by adding an alkoxytrialkylsilane having a triorganosilyl group thereto.
摘要:
Acrylic polymer beads with excellent coating properties and storage stabilities, its preparation method and acrylic sol composition containing thereof are introduced.
摘要:
A composite polyamide reverse osmosis membrane and method of producing same. In one embodiment, the membrane is made by coating a porous polysulfone support for about 40 seconds with an aqueous solution containing (i) a polyfunctional amine in the form of 2 wt % of meta-phenylenediamine (MPD), (ii) a polar solvent in the form of 0.3 wt % 2-ethyl-1,3-hexanediol (EHD), and (iii) an amine salt-forming combination of 2.3 wt % camphorsulfonic acid (CSA) and 1.1 wt % triethylamine (TEA). Next, the excess aqueous solution is removed, and the coated support is dipped for about 1 minute in a 0.1 wt % organic solvent solution of trimesoyl chloride (TMC) in a mixture of alkanes having from 8 to 12 carbon atoms. After draining the organic solvent solution off, the resulting composite membrane is heated at 90° C. for about 3.5 minutes and then rinsed in a 0.2% Na2CO3 aqueous solution at room temperature. The resultant membrane exhibits a flux of 47.9 gfd and a salt rejection of 97.6% when used at 225 psi for an aqueous solution containing 2000 ppm of NaCl. In another embodiment, the aqueous solution contains (i) a polyfunctional amine in the form of 2 wt % of MPD, (ii) a combination of polar solvents in the form of 0.3 wt % of EHD and 2 wt % of dimethyl sulfoxide, and (iii) an amine salt-forming combination of 1 wt % of 1,1,3,3-tetramethylguanidine and 1.6 wt % toluene sulfonic acid. The resultant membrane exhibits a flux of 63.7 gfd and a salt rejection of 90.8% when used at 225 psi for an aqueous solution containing 2000 ppm of NaCl.
摘要:
The present invention relates to an electrophoretic particle that includes: a core part including an inorganic particle; a shell layer formed on the core part; and a protective layer formed on the shell layer, a method of producing the electrophoretic particle, and an electrophoretic display device including the electrophoretic particle.
摘要:
Disclosed is a process for preparing polyurethane particulate and polyurethane particulate prepared therefrom. The polyurethane particulate has properties such that it is easy to control to a spherical form, the polyurethane particulate can be prepared in a desired particle size, the color thereof is stably exhibited, a washing process thereof is easy because almost no foam is generated in the washing process, and the preparation cost can be lowered because the particles do not lump and a separate grinding process is not needed, by using an inorganic suspension stabilizer in the manufacture process of the polyurethane particulate.
摘要:
The present invention relates to an electrophoretic particle that includes: a core part including an inorganic particle; a shell layer formed on the core part; and a protective layer formed on the shell layer, a method of producing the electrophoretic particle, and an electrophoretic display device including the electrophoretic particle.
摘要:
The present invention relates to polyalkylsilsesquioxane particulates and a method of preparing the same, and more particularly provides the polyalkylsilsesquioxane particulates, of which moisture content is low, water repellency is high, and hygroscopic property in storage is low, and a method of preparing the same by end-capping silanol groups (SiOH) on the surface of the polyalkylsilsesquioxane particulates with alkyl groups by adding an alkoxytrialkylsilane having a triorganosilyl group thereto.