46results about How to "Excellent high-speed response" patented technology

A dispenser (100) comprises a bottle (110) having an external wall (111), a gasket (120) defining an upper cavity(112) and a lower cavity(114) within the bottle and configured to substantially seal said upper cavity (112) form said lower cavity (114), and a fluid dispensing mechanism configured to allow fluid to be dispensed from said lower cavity (114) to the outside of the bottle (110) when the dispensing mechanism is actuated, wherein said gasket (120) is capable of moving towards the lower cavity (114) upon actuation of the dispensing mechanism and of moving towards the upper cavity (112) upon entrance of the fluid into said lower cavity (114), and a fluid refill mechanism configured to allow fluid to enter said lower cavity (114) when said refill mechanism is fluidly coupled to a fluid source.

The present invention pertains to a liquid crystal composition used in a liquid crystal display element. The present invention addresses the problem of providing a liquid crystal composition that is characterized in: that various properties of a liquid crystal display element such as a dielectric anisotropy, a bulk viscosity, a nematic-phase upper limit temperature, a rotation viscosity γ1, and a voltage holding ratio, as well as the burn-in property of a display element are not impaired; that it is less likely that dropping marks occur at the time of manufacture; that a stable eject amount of a liquid crystal material in an ODF step is achieved; and the suitability to a liquid crystal display element having an excellent solubility at a low temperature. Besides, the present invention addresses the problem of providing a liquid crystal display element in which the liquid crystal composition is used. The present invention pertains to a liquid crystal composition that contains a compound expressed by an expression (I), one or more kinds of compounds expressed by a general expression (II-1), and one or more kinds of compounds expressed by a general expression (II-2), and that has a negative dielectric anisotropy. The present invention also pertains to a liquid crystal display element in which the liquid crystal composition is used.

The invention relates to an avalanche photodiode and a method for manufacturing the same. The avalanche photodiode can improve high-speed response and reduce the features changing along time. The avalanche photodiode includes a N-type Inp substrate; an allnAs avalanche multiplying layer (3), a p-type electric field controlling layer (4), a non-doping light-absorbing layer (5), and a window layer (6) sequentially laminated on the substrate. A p-type region is present in parts of the window layer (6) and the non-doping light-absorbing layer (5). Carbon is the dopant of the electric field controlling layer (4). Zn is the dopant of the p-type region. A bottom face of the p-type region is closer to the substrate than is an interface between the non-doping light-absorbing layer (5) and the window layer (6).

A liquid crystal composition having negative dialectric anisotropy, wherein the liquid crystal composition contains a component (B) including a compound according to formula (1), the compound (B) being a component having neutral dielectric anisotropy; and a dielectric negative component (A) containing two or more types from the group of compounds represented by formulas (2) through (5). R1 and R4 represent a C1-8 alkyl group, and R2 and R3 represent a C1-8 alkyl group or a C2-8 alkenyl group.

A liquid crystal device includes: a first initial transfer structure configured to form an initial transfer nucleus of the liquid crystal layer on a side of the first substrate facing the liquid crystal layer; and a second initial transfer structure configured to form the initial transfer nucleus at a position corresponding to the first initial transfer structure on a sire of the second substrate facing the liquid crystal layer with the liquid crystal layer interposed therebetween. The invention provides an OCB-mode liquid crystal device capable of performing initial transfer in a short period of time at a low voltage and an electronic apparatus using the same.

The present invention provides a liquid crystal display element in which the fall time of a liquid crystal is improved, thereby yielding exceptional high-speed response and allowing polymer networks to be formed at high sensitivity, even at relatively long UV irradiation wavelengths, without adversely affecting the voltage hold rate (VHR); it being possible to manufacture said display element exceptionally efficiently. Provided is a liquid crystal display element in which a liquid crystal composition that contains one or more liquid crystal compounds held between two transparent substrates contains a polymer or copolymer that is a cured polymerizable composition containing one or more polymerizable compounds and a photopolymerization initiator having a maximum absorption wavelength peak at310-380 nm; the polymerizable composition content relative to the total weight of the polymerizable composition and the liquid crystal composition being at least 1% by mass to less than 40% by mass.

The invention discloses a high voltage-resistant permanent magnet-shield high speed switching electromagnet. The high voltage-resistant permanent magnet-shield high speed switching electromagnet comprises a push rod (6) and a shell (1), an armature (8), a guide sleeve (4) and the like which are all magnetic conductors, wherein the outer surface of the guide sleeve (4) is provided with an annular trapezoidal groove (41); the bottom (412) in the centre of the annular trapezoidal groove (41) is provided with an annular permanent magnet (9); an inner cavity (40) of the guide sleeve (4) is provided with the armature (8) which is connected with the guide sleeve (4) in a sliding way; the push rod (6) is fixedly connected with the armature (8) after penetrating through the bottom (10) of the shell (1) and a trapezoidal guide sleeve channel (42); a returning spring (5) is arranged in the trapezoidal guide sleeve channel (42); and one end of the returning spring (5) is pressed against the shell(1) while the other end is pressed against the armature (8). The high voltage-resistant permanent magnet-shield high speed switching electromagnet has the characteristics of capacity of increasing output electromagnetic force and increasing response speed.

The present invention addresses the problem of providing: a liquid crystal composition that does not cause deterioration of dielectric anisotropy, viscoscity, nematic phase upper limit temperature, nematic phase stability at low temperatures, characteristics such as the γ1 of a liquid crystal display element, or display element burn-in characteristics, that is unlikely to cause drip marks during production, and that is suitable for a liquid crystal element that achieves a stable liquid crystal material discharge rate in an ODF process; and a liquid crystal display element using the liquid crystal composition. Provided are: a liquid crystal composition comprising 20-50 mass% of a compound that is represented by formula (I), 5-50 mass% of a compound that is represented by general formula (II), and at least one compound that is represented by general formula (III); and a liquid crystal display element using the liquid crystal composition.