27182results about How to "Solution to short life" patented technology

A lighting device comprising first and second groups of solid state light emitters, which emit light having dominant wavelength in ranges of from 430 nm to 480 nm and from 600 nm to 630 nm, respectively, and a first group of lumiphors which emit light having dominant wavelength in the range of from 555 nm to 585 nm. If current is supplied to a power line, a combination of (1) light exiting the lighting device which was emitted by the first group of emitters, and (2) light exiting the lighting device which was emitted by the first group of lumiphors would, in an absence of any additional light, produce a sub-mixture of light having x, y color coordinates within an area on a 1931 CIE Chromaticity Diagram defined by points having coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), (0.36, 0.38). Also provided is a method of lighting.

This invention relates to a process for transforming methanol to aromatic hydrocarbons, comprising: use methanol as raw material, with modified ZSM-5 molecular sieve as catalyst, under conditions of operation pressure 0.1-5.0Mpa, operation temperature 300-460Deg C, raw material liquid air speed 0.1-6.0h-1, transformed to products with aromatic hydrocarbons as main components; separate the gas-phase products lower carbon hydrocarbons from the liquid-phase C5+ hydrocarbons by cooling separation; the liquid-phase C5+ hydrocarbons then can be separated to be aromatic hydrocarbons and non-aromatic hydrocarbons by extracting separation. This invention is characterized of high total selectivity of aromatic hydrocarbons and flexible process operation.

A tissue interface device (10) suitable for positioning on or about one or more artificial openings in a biological membrane of an organism and for coupling to a monitor and control unit and a vacuum source. The tissue interface device (10) comprises a housing (100), a sensor channel (130), and a sensor (150). The housing (100) defines an orifice (120), the orifice (120) having an open inlet port (122) on the bottom end (102) of the housing (100) and a distal end (124) that is in fluid communication with the sensor channel (130). The orifice (120) is in fluid communication with fluid that flows from the artificial opening formed in the biological membranes. The sensor channel (130) is for coupling to, and fluid communication therewith, the vacuum source. The sensor (150) is positioned in the sensor channel (130) in a flow path of the fluid for sensing a characteristic of the fluid as it flows out from the artificial opening. The sensor generates a sensor signal representative thereof.

An organic electroluminescence device having a layer of an organic light emitting medium which comprises (A) a specific arylamine compound and (B) at least one compound selected from specific anthracene derivatives, spirofluorene derivatives, compounds having condensed rings and metal complex compounds and is disposed between a pair of electrodes and an organic light emitting medium comprising the above components (A) and (B) are provided. The organic electroluminescence device exhibits a high purity of color, has excellent heat resistance and a long life and efficiently emits bluish to yellowish light. The organic light emitting medium can be advantageously used for the organic electroluminescence device.

A work light for work or task areas which uses light-emitting diodes (LEDs) as the source of light. LED clusters are mounted on a circuit board which is located in a housing. The LED work lights may be powered by conventional 120 or 240-volt electrical outlets, a DC generator, a battery, a battery pack, or a car adapter.

A battery pack is provided including universal battery modules and a master control module. By selecting proper rated universal battery modules and connecting them either in series and/or parallel, a high performance and long life battery pack is assembled that is suitable for high power applications such as electrical vehicles whereby the master control module acts as the battery pack control and interface module.

A benzanthracene derivative having hydrogen atom at the 12-position, and an organic electroluminescence device having an organic thin film layer, which has one layer or a plurality of layers including at least a light emitting layer, is disposed between a cathode and an anode and contains the benzanthracene derivative in at least one layer in the organic thin film layer singly or as a component of a mixture. The electroluminescence device provides a great efficiency of light emission, has a long life and exhibits an excellent chromaticity.

There is provided a lighting device that comprises at least one 600-630 nm solid state light emitter and at least one light source emitting light within an area on a 1931 CIE Chromaticity Diagram defined by a first set of points having x, y coordinates of (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), (0.36, 0.38), or a second set of points having x, y coordinates of (0.29, 0.36), (0.32, 0.35), (0.41, 0.43), (0.44, 0.49), (0.38, 0.53). Some embodiments further comprise at least a first power line. Also provided are methods that comprise illuminating at least one light source to emit light within one of the areas defined above, and illuminating at least one 600-630 nm emitter.

The invention discloses a high-efficiency light emitting diode (LED) lamp bulb. The high-efficiency LED lamp bulb comprises a light transmitting bulb shell, a core column, at least one LED light emitting strip, a driver and an electric connector, wherein the core column is provided with an exhaust tube, an electric lead-out wire and a bracket; the LED light emitting strip is fixed on the core column, and an electrode of the LED light emitting strip is connected with the driver and the electric connector through the electric lead-out wire of the core column so as to connect an external power supply; the light transmitting bulb shell and the core column are hermetically sealed; the bulb shell is filled with gas with high heat conductivity; the LED light emitting strip comprises a transparent substrate strip which is provided with at least one strip of LED chips connected in series for emitting light of the same or different colors and is sealed in a glass tube; the electrode of the LED is led out of the two ends of the glass tube; the lead-out wire and the glass tube are hermetically sealed; the glass tube is filled with the material with high heat conductivity and high light transmittance; the LED chip emits light of 4pi; the inner or outer wall of the glass tube or the inner wall of the light transmitting bulb shell is provided with a light emitting material; and at least one LED light emitting strip is connected to form a one-way direct current DC or two-way alternating current AC to work. The LED lamp bulb of the invention has the advantages that: the LED chip emits light of 4pi, a heavy radiator is not needed, the driver does not need a transformer and the entire lamp has high efficiency, low cost, and is safe and reliable and the like, and is used for lighting.

An L.E.D. lighting fixture is provided. The lighting fixture comprises at least one heat transfer mounting bar, at least one emitter plate secured to the mounting bar, and an array of L.E.D. lights secured to each emitter plate. A method for providing light is also provided.

A lead-acid battery comprising: at least one lead-based negative electrode; at least one lead dioxide-based positive electrode; at least one capacitor electrode; and electrolyte in contact with the electrodes; wherein a battery part is formed by the lead based negative electrode and the lead dioxide-based positive electrode; and an asymmetric capacitor part is formed by the capacitor electrode and one electrode selected from the lead based negative electrode and the lead-dioxide based positive electrode; and wherein all negative electrodes are connected to a negative busbar, and all positive electrodes are connected to a positive busbar. The capacitor electrode may be a capacitor negative electrode comprising carbon and an additive mixture selected from oxides, hydroxides or sulfates of lead, zinc, cadmium, silver and bismuth, or a capacitor negative electrode comprising carbon, red lead, antimony in oxide, hydroxide or sulfate form, and optionally other additives. The capacitor electrode may be used in asymmetric capacitors and batteries of other types.

An energy storage device comprising at least one negative electrode, wherein each negative electrode is individually selected from (i) an electrode comprising negative battery electrode material; (ii) an electrode comprising capacitor electrode material; (iii) a mixed electrode comprising either—a mixture of battery and capacitor electrode material or—a region of battery electrode material and a region of capacitor electrode material, or—a combination thereof, and wherein the energy storage device either comprises at least one electrode of type (iii), or comprises at least one electrode of each of types (i) and (ii),—at least one positive electrode, wherein the positive electrode comprises positive battery electrode material and a charging ability-increasing additive, such as one or a mixture of: (a) carbon nanomaterial, vapour grown carbon fibre, fullerene, or a mixture thereof, and (b) tin dioxide conductive materials.