46results about How to "Low voltage drive" patented technology

A micro pump free from pulse output and driven by electromagnet comprises the drive coil and drive magnet formed drive, up, middle and lower part formed micro pump, with the up pump having up pump cavity, left conical valve, right conical valve, water inlet hole, water outlet hole, up pump cavity connecting with water inlet and outlet holes through left and right conical valve, drive cavity between the middle pump, drive magnet set inside the drive cavity, fixed with thin film up and down inside the drive cavity, water inlet holes at both sides of the drive cavity, lower pump having pump cavity, left conical valve, right conical valve, water inlet hole, water outlet hole, lower pump cavity connecting with water inlet and outlet holes of two conical valves. It can work at relatively low voltage, with quick influence speed and safety.It can be applicable in medical field.

A liquid crystal lens element having a lens function capable of stably correcting spherical aberration containing a power component corresponding to focus change of incident light according to the magnitude of applied voltage.The liquid crystal lens element comprises a pair of transparent substrates 11 and 12, one (12) of the transparent electrodes is provided with a transparent electrode 15 and a Fresnel lens surface 17, and the other one (11) of the pair of transparent electrodes is provided with a phase correction surface 18 and a transparent electrode 16. Thus, by disposing a Fresnel lens surface 17 and a liquid crystal layer 13 between a pair of transparent electrodes 15 and 16, it becomes possible to change substantial refractive index distribution of the liquid crystal layer 13 according to the magnitude of applied voltage, and to add a positive or negative power to a wavefront transmitted through the liquid crystal layer 13, the Fresnel lens surface 17 and the phase correction surface 18.

A nitrogen-containing aromatic heterocyclic derivative represented by the following formula, wherein X1 to X3 are a single bond, CRaRb, NRc, an oxygen atom or a sulfur atom, and when all of X1 to X3 is a single bond, at least one of Ara, Arb and Arc is an aryl group having 6 to 20 ring carbon atoms substituted with a heteroaryl group, an aryloxy group or a heteroaryloxy group, or a substituted or unsubstituted heteroaryl group having 5 to 20 ring atoms.

The present invention is characterized by a DC-driven inorganic EL element useful for mobile and other applications, the EL element including at least plural electrode layers, and a light emitter layer made of an inorganic composition, which is provided between the electrode layers, wherein the attainted brightness in the DC drive is 10000 cd / m2 or more.

The invention provides a 5-substituted 2, 2-dimethyl-1, 3-indandione derivative and a 5, 6-substituted 2, 2-dimethyl-1, 3-indandione derivative; the structural formulas of the two derivatives are described in the description, wherein R, R1 and R2 respectively represent an electron-rich aromatic amine substituent group containing at least one nitrogen, amino nitrogen is connected with 2, 2-dimethyl-1, 3-indandione, or R2 represents a substituted aromatic hydrocarbyl; the invention also provides a preparation method of the 5-substituted 2, 2-dimethyl-1, 3-indandione derivative and a preparation method of the 5, 6-substituted 2, 2-dimethyl-1, 3-indandione derivative; an organic electroluminescence device which takes an organic thin film layer formed by the 5-substituted 2, 2-dimethyl-1, 3-indandione derivative or the 5, 6-substituted 2, 2-dimethyl-1, 3-indandione derivative as a luminescent layer has the advantages of being driven by low voltage, being high in efficiency, stable in luminescence and long in service life, and the like.

The invention discloses a preparation method for an intelligent display film with a switchable visual angle. The preparation method comprises the following steps: mixing liquid crystal with photo-polymerizing monomer by weight percent; selecting the raw material ratio according to the index matching attribute of conductive films and a polymer dispersion liquid crystal layer and the material component characteristics, wherein the weight percentage of the liquid crystal is 30-60%, the weight percentage of the photo-polymerizing monomer is 38-70%, the weight percentage of the photo-initiator is 0.1-3.5% and the weight percentage of the spacer is 0.1-5%; uniformly stirring the liquid crystal, the photo-polymerizing monomer, the photo-initiator and the spacer at room temperature; utilizing a rolling process to extrude a mixed material into two conductive films plated with indium tin oxide, thereby forming a film; and adopting ultraviolet ray for irradiating for 5-10 minutes, thereby acquiring the intelligent display film with the switchable visual angle. Under an external electric field, a wide visual angle state and a narrow visual angle state can be switched.

An aromatic heterocyclic derivative represented by formula (1); a material for an organic electroluminescent element; and an organic electroluminescent element comprising the derivative or the material.

Disclosed is a liquid crystal composition characterized by containing 15% by mass or more of a compound having a terminal structure represented by the general formula (I) below. This liquid crystal composition has high dielectric constant anisotropy (ε) and low rotational viscosity (γ1), and is thus suitably used as a liquid crystal composition for IPS liquid crystal displays or low voltage-driven TN liquid crystal displays. (I) (In the above formula, Q represents a saturated or unsaturated alkyl group having 1-8 carbon atoms which may be substituted by a halogen atom.)

Disclosed is a long-life organic electroluminescent element which can be driven at low voltage. Also disclosed are a display and illuminator using the same. Specifically disclosed is an organic electroluminescent element comprising on a substrate, an anode, a cathode and an organic compound layer arranged between the anode and the cathode and including at least one light emission layer. This organic electroluminescent element is characterized in that the organic compound layer includes an electron transport material-containing layer which contains an electron transport material represented by Formula (a) and at least one substance selected from the group consisting of metals, salts of the metals and electron-donating compounds. Formula (a) Ar1-(Ar2)n [In the formula, Ar1 represents a group derived from an aromatic hydrocarbon ring or a group derived from an aromatic heterocycle; Ar2 represents a group derived from an aromatic heterocycle; and n represents an integer of 2 or more.

Provided is a reverse mode light scattering-type liquid crystal device which is good enough for practical use and has low drive voltage, and which exhibits high haze when a voltage is applied thereto,while exhibiting low haze when no voltage is applied thereto. A reverse mode liquid crystal device which has a light control layer and at least a pair of electrodes, and which is characterized in that the light control layer contains a polymerization product of a polymerizable material that contains (A) a liquid crystal composition, (B) a vertical alignment agent and (C) at least one polymerizable compound selected from among polymer-forming monomers and polymer-forming oligomers.

An organic electroluminescent device includes an anode electrode layer; a cathode electrode layer opposed to the anode electrode layer; a hole injection layer provided adjacent to the anode electrode layer an organic structure including at least one light-emissive layer or at least one light-emissive unit having at least one light-emissive layer; between the anode electrode layer and the cathode electrode layer. At least one of the anode electrode layer and the cathode electrode layer is transparent. The hole injection layer includes a mixed layer of a metal oxide and an organic compound. The mixed layer is formed upon co-deposition of the metal oxide and the organic compound.

The present invention provides a photosensor device including: a photodiode array in which photodiodes are arranged in an array shape; scanning lines which are coupled to first electrodes of the photodiodes in respective lines of the photodiode array; read lines which are coupled to second electrodes of the photodiodes in respective columns of the photodiode array; a scanning circuit which is coupled to the scanning lines and sequentially supplies a selected scanning signal to the respective scanning lines in each horizontal scanning period; and a signal processing circuit which is coupled to the read lines and loads each voltage fluctuation of the read lines in one horizontal scanning period as signal voltage when reading a signal, wherein each of the photodiodes is made of amorphous silicon or microcrystal silicon, and forward bias voltage is applied to each of the photodiodes when reading a signal.

Electron emitting element with electrode on the glass substrate, the emitting electrode which composed by dielectric film formed on the low electrode and up electrode formed on the emitting electrode. Applying driven voltage for emitting electronic between up-lower electrode. At least the up electrode with multiple through are on the emitting electrode, the edge of the through and surface of the emitting electrode leaved from the emitting electrode.

A semiconductor device is disclosed. The device includes: oppositely disposed plural electrodes; a semiconductor molecule disposed such that one end part thereof binds to a surface of the electrode in each of the opposing electrodes; and a conductor for electrically connecting at least a part of the other end part of the semiconductor molecule disposed in one electrode of the opposing electrodes to at least a part of the other end part of the semiconductor molecule disposed in the other electrode of the opposing electrodes. The conductivity between the opposing electrodes is substantially determined by the conductivity of the semiconductor molecule electrically connected to the conductor between the opposing electrodes in the semiconductor molecules. The channel region of the semiconductor device has high conductivity, unlimited by the charges movement between molecules, and easily and safety prepared.

A laser diode device with which a low voltage is realized is provided. The laser diode device includes: a substrate; a semiconductor laminated structure including a first conductive cladding layer, an active layer, and a second conductive cladding layer on one face side of the substrate and having a contact layer as the uppermost layer, in which a protrusion is formed in the contact layer and the second conductive cladding layer; and an electrode provided on the contact layer. The contact layer has a concavo-convex structure on a face on the electrode side, and the electrode is contacted with the contact layer at contact points of a top face, a side face, and a bottom face of the concavo-convex structure.

Disclosed is a π-conjugated compound that has a structure of the following Formula (1) and a HOMO level of −5.3 eV or higher,in the formula, M represents CX1 or a nitrogen atom, X1 to X6 each represent an aromatic substituent or an aromatic heterocyclic group, in which at least four of X1 to X6 are electron-donating condensed aromatic ring substituents with 14 or more n electrons, and at least one of X1 to X6 is an electron-attracting substituent, and X1 to X6 may each independently further have a substituent.

An organic electroluminescent element which is characterized by comprising, between a positive electrode and a negative electrode facing each other, a first organic thin film layer and a second organic thin film layer in this order from the positive electrode side. The organic electroluminescent element is also characterized in that: the first organic thin film layer contains a specific aromatic heterocyclic derivative (A); the second organic thin film layer contains a specific aromatic heterocyclic derivative (B); and the aromatic heterocyclic derivative (A) and the aromatic heterocyclic derivative (B) are different from each other. Consequently, this organic electroluminescent element can be driven at low voltage and has long service life.

The present invention provides a photosensor device including: a photodiode array in which photodiodes are arranged in an array shape; scanning lines which are coupled to first electrodes of the photodiodes in respective lines of the photodiode array; read lines which are coupled to second electrodes of the photodiodes in respective columns of the photodiode array; a scanning circuit which is coupled to the scanning lines and sequentially supplies a selected scanning signal to the respective scanning lines in each horizontal scanning period; and a signal processing circuit which is coupled to the read lines and loads each voltage fluctuation of the read lines in one horizontal scanning period as signal voltage when reading a signal, wherein each of the photodiodes is made of amorphous silicon or microcrystal silicon, and forward bias voltage is applied to each of the photodiodes when reading a signal.