Weichao
Weichao Du, Wuhan CN
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20150029507 | ALIGNMENT METHOD FOR OPTICAL AXES OF COMPOSITE WAVEPLATE - An alignment method for optical axes of a composite waveplate includes rotating a rotatable waveplate, which rotates about a central axis with respect to a fixed waveplate, and adjusting the rotation angle thereof until the differences between the spectral parameters of the composite waveplate and ideal spectral parameters are smaller than preset values. | 01-29-2015 |
Weichao Gu, Shanghai CN
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20150259851 | POLYURETHANE BASED SYNTHETIC LEATHERS COMPRISING NANOPARTICLES AND HAVING IMPROVED PEEL STRENGTH - Disclosed herein are methods of producing externally stabilized, poromeric synthetic leathers having improved peel strength, the methods comprising: preparing a prepolymer from a mixture comprising at least one polyester polyol, at least one polyether polyol, at least one isocyanate and optionally in a solvent; mixing the prepolymer, water, and a first surfactant; optionally add a second chain extender to form a PUD; preparing a mixture comprising said PUD, at least one surfactant, and at least one thickener; frothing said mixture; applying the frothed mixture to a fabric and thereby forming a coated fabric; adjusting the thickness of the frothed mixture on the coated fabric; drying the coated fabric. Methods of improving the peel strength of poromeric synthetic leathers are also disclosed. Externally stabilized synthetic leathers having improved peel strength are also disclosed. | 09-17-2015 |
20150284902 | POLYURETHANE DISPERSION BASED SYNTHETIC LEATHERS HAVING IMPROVED EMBOSSING CHARACTERISTICS - Described herein are methods of preparing PUD based, poromeric, synthetic leathers having improved embossing characteristics, the methods comprising: preparing a polyurethane prepolymer, wherein the prepolymer comprises at least one isocyanate resin, and at least two polyols; preparing a first mixture comprising the polyurethane prepolymer, water, a chain extender, and a first surfactant that comprises at least one surfactant; preparing a second mixture comprising the first mixture, a thickening agent, and a second surfactant the comprises at least one surfactant, frothing the second mixture and thereby forming a frothed second mixture; applying the frothed second mixture to a fabric and thereby forming a coated fabric; optionally adjusting the thickness of the frothed third mixture on the fabric; and drying the coated fabric. | 10-08-2015 |
20150299945 | POLYURETHANE DISPERSION BASED SYNTHETIC LEATHERS COMPRISING ACRYLIC LATEX - Disclosed herein are synthetic leathers comprising latex, and having improved peel strength and/or improved embossability. The leathers comprising a fabric that is optionally impregnated with a polymer resin, wherein the fabric is in contact with a polymeric layer that was made from a mixture comprising a frothed polyurethane dispersion in water and latex. Methods of making these synthetic leathers, which have improved peel strength and/or improved embossability relative to non-latex containing synthetic leathers, are also disclosed. | 10-22-2015 |
20150354133 | POLYURETHANE DISPERSION BASED SYNTHETIC LEATHERS - A multilayer structure including (a) a fabric, (b) a polyurethane foam containing a plurality of cells defined therein, wherein the foam contains at least one surfactant, and (c) a skin layer, wherein the skin layer comprises a wetting agent and an acrylic polymer having a glass transition temperature of −20 degree Celsius or less, and the foam resides between the fabric and the skin layer; and the process of preparing the multilayer structure. | 12-10-2015 |
Weichao Li, Shenzhen CN
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20100039508 | Face Recognition Apparatus Based on Even Light Source - The present invention relates to a face recognition apparatus based on even light source, which includes a data processor ( | 02-18-2010 |
Weichao Ma, Beijing CN
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20160035302 | Array Substrate, Driving Method Thereof and Display Panel - Embodiments of the present invention disclose an array substrate, a driving method thereof and a display panel. The array substrate includes: data lines, connected with a source driver IC; gate lines, connected with a gate driver IC; and pixel units, arranged in an array, wherein each row of pixel units are connected with a first gate line and a second gate line, the first gate line receives a gate driving signal in the case of displaying an odd frame image, the second gate line receives a gate driving signal in the case of displaying an adjacent even frame image, each pixel unit comprises a first and second TFTs, the first TFT is connected with the first gate line; the second TFT is connected with the second gate line; each column of pixel units are connected with two data lines, two adjacent columns of pixel units share one data line. | 02-04-2016 |
Weichao Wu, Shenzhen CN
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20130163259 | Surface Mount LED Support with Metallic Reflective Cavity - A surface mount LED support with metallic reflective cavity includes a plastic frame member and a metallic frame member, wherein the LED support comprises a metallic reflector member which is constructed into a metallic reflector cup-member having a concave cavity. The metallic reflector member includes a bottom metallic plate and a side metallic plate constructing the concave cavity of the metallic cup-member. The side metallic plate is integrally formed by folding the bottom metallic plate. The metallic reflector cup-member has an inner surface coated with a highly reflective material. The LED support of the present invention has high light extraction efficiency, superior cooling capacity and wide range of use of power. | 06-27-2013 |
Weichao Xu, Minneapolis, MN US
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20150102288 | ULTRALOW POWER CARBON NANOTUBE LOGIC CIRCUITS AND METHOD OF MAKING SAME - In one embodiment, a complementary metal-oxide-semiconductor (CMOS) logic device formed with single-walled carbon nanotubes (SWCNTs) includes: at least one p-type metal-oxide-semiconductor (PMOS) thin-film transistor (TFT) formed with the SWCNTs, and at least one n-type metal-oxide-semiconductor (NMOS) TFT formed with the SWCNTs, where each of the at least one PMOS TFT and the at least one NMOS TFT has a gate, a source and a drain. The gate of each of the at least one PMOS TFT and the gate of each of the at least one NMOS TFT is configured to alternatively receive at least one input voltage, and respectively includes a local metallic gate structure formed of a metal. At least one of the drain of the at least one PMOS TFT and the drain of the at least one NMOS TFT is configured to output an output voltage V | 04-16-2015 |
Weichao Yang, Shenzhen CN
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20140235358 | ROLE CLEARING METHOD, DEVICE AND SYSTEM FOR EMULATOR GAME - A role removal method, apparatus and system for an emulator game are provided. The method includes: when it is determined that there is a role to be removed from the emulator game, saving current game running information; calling a role removal function to remove the role to be removed; and loading the saved current game running information, so as to continue running the emulator game. The embodiment of the disclosure can modify stack data, a program pointer and the like of a game program by saving the current game running information and calling the role removal function, so as to achieve the purpose of controlling the game execution procedure. In particular, it can be guaranteed that a game player can exit the game at any time, and meanwhile the remaining game players can continue their games without being influenced. | 08-21-2014 |