42results about How to "Prolonged life-time" patented technology

A plurality of organic EL elements which are arranged on a display panel lowers the brightness along with a lapse of light emitting time and hence, the power consumption is increased to maintain the brightness. However, the increase of the power consumption shortens a lifetime of the organic EL elements. To overcome this drawback, a power supply circuit which drives the display panel has a function of controlling an electric power supplied to the display panel to a fixed value or less in response to a detection signal from a detection part which detects a cathode current of the organic EL elements.

A bidirectional battery charge control system for a portable electronic device which uses a rechargeable main battery. The system enables the connection of an auxiliary battery to the device for inputting additional current to the device. Control of the current flow into and out of the auxiliary battery is performed by a bidirectional charger. The auxiliary battery can contain one or more readily available primary or secondary cells, and the bidirectional charger is such that an external charger connected to the device, generally used to charge the main rechargeable battery of the device, can also recharge a secondary cell or cells in the auxiliary battery, if such are installed. The use of such an auxiliary battery enables the main battery to be hard-wired into the device.

An electronic cigarette comprises a cigarette rod with a battery, an atomizer configured to atomize tobacco oil contained therein, and an airflow path configured to enable the air to flow into the atomizer. A pressure regulating valve unit arranged in the airflow path includes a floating sphere configured to close or open the airflow path according to an airflow direction and to adjust the airflow rate flowing into the airflow path. By means of arranging the pressure regulating valve, it is able to control the airflow rate flowing into the atomizer, hence adjust the amount of smoke sucked to change tastes of smoking and meet users' different needs. Moreover, when blowing to the electronic cigarette, the pressure regulating valve unit will be in a closed state to avoid tobacco oil inside the atomizer flowing to the battery and a control board.

The present invention is to provide a drive device which can prolong the lifetime of light emitting elements constituting a display panel in an environment of a high temperature. A thermistor TH1 is provided in a voltage boosting circuit 4 which drive and light the light emitting elements E11 to Enm in a light emitting display panel 1, and by this thermistor first light emission control means is constituted which drive and light the light emitting elements at an approximately constant light emission intensity value regardless of the level of the environmental temperature. Meanwhile, a current mirror circuit is arranged in an anode line drive circuit 2 which supplies a constant current to the respective light emitting elements E11 to Enm, and second light emission control means in which a current value is controlled by a control voltage Va from a temperature detection means 11A provided with a thermistor TH2 is constructed. The second light emission control means drives and lights the light emitting elements so that the intensity value becomes smaller than the constant light emission intensity value controlled by the first light emission control means in the case where a state in which the environmental temperature exceeds a predetermined value (for example, 50° C.) is detected.

The present invention relates to novel organic electroluminescent compounds, and organic electroluminescent devices employing the same as electroluminescent material. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1).

Since the organic electroluminescent compounds according to the invention have good luminous efficiency and excellent life property of material, OLED's having very good operation life can be manufactured therefrom.

The invention relates to a system of assembling together two rotary parts by means of flanges, said flanges forming a cylindrical passage of diameter D1 and of length L1.

In characteristic manner, the system comprises:

• • a bolt having a head and a shank that presents a first segment and a second segment that is threaded, said first segment presenting a maximum diameter D2 that is greater than D1; and
  • a nut of thread suitable for co-operating with the threaded second segment and presenting a plane first face suitable for bearing against the outside face of the second flange, whereby the first segment is caused to engage tightly in the cylindrical passage and the two parts are secured to each other by tightening the nut on the threaded second segment.

An auto-controlling power saving system for solar energy street lamps includes at least one street lamp, each street lamp having a light source at an upper end thereof; a battery set; at least one solar plate installed at an upper end of the light source for absorbing solar energy; the absorbed solar energy being converted into electric power which is transferred to the light source for lighting up the light source or is stored in the battery set; a main controller for controlling all electric powers of the elements of the system for power management; the main controller controlling actuation, de-actuation and illumination of all street lamps; the main controller being connected to the battery sets of the street lamps and the related elements used; the main controller having a plurality of power control modes for power management and illumination control of the street lamps.

An artificial joint apparatus used as an artificial joint inserted into a bone is provided. The artificial joint apparatus includes: a body having a stem having a shape substantially corresponding to a space within the bone, into which the stem is inserted, and a head formed integrally with the stem; and a jacket made of a plastic material and surrounding an outer surface of the stem of the body. The jacket is constructed with an outer layer containing a bone-friendly material and an inner layer mainly made of a plastic material. Since the plastic jacket of an artificial joint apparatus has a bone-friendly material, it is possible to promote a growth of a bone contacted thereto. In addition, the bone is grown into a space where the bone-friendly material is dissolved, so that the jacket and the bone can be securely adhered. Since the bone-friendly material also exists in an inner portion of the jacket it is possible to continuously accelerate a bone in-growth.

The invention provides compounds, compositions, methods, substrates, and kits useful for analyzing the metabolic activity in cells, tissue, and animals and for screening test compounds for their effect on cytochrome P450 activity. In particular, a one-step and two-step methods using luminogenic molecules, e.g. luciferins or coelenterazines, that are cytochrome P450 substrates and that are also bioluminescent enzyme, e.g., luciferase, pro-substrates are provided. The present method further provides a method for stabilizing and prolonging the luminescent signal in a luciferase-based assay using luciferase stabilizing agents such as reversible luciferase inhibitors.

A light emitting apparatus includes a substrate, at least one LED (light-emitting diode) die, a sealant, a cover sheet and a protecting material. The LED die is disposed on the substrate. The sealant covers the LED die and has a top surface and a side surface. The cover sheet is disposed on the top surface of the sealant. The protecting material is disposed at the side surface, and connected with the cover sheet and the substrate. Accordingly, the light emitting apparatus can prevent from moisture or gas that may affect the luminous efficiency thereof, thereby extending the lifetime of the light emitting apparatus.

An organic electroluminescent device including an emitting layer, an electron-injecting controlling layer and an electron-transporting layer between an anode and a cathode in sequential order from the anode, bonding one to another, the emitting layer including a host material and a dopant, the ionization potential (Ips) of the main material forming the electron-injecting controlling layer and the ionization potential (Iph) of the host material of the emitting layer satisfying the following relationship (i), the electron mobility of the electron-transporting material forming the electron-transporting layer being 10⁻⁵ cm²/Vs or more at the electric field intensity of 400 to 500 (V/cm)^1/2, and the affinity level (Af1) of the host material of the emitting layer, the affinity level (Af2) of the main material forming the electron-injecting controlling layer, and the affinity level (Af3) of the electron-transporting material forming the electron-transporting layer satisfying the following relationships (ii) and (iii).

0.5 eV>Ips−Iph≧0 eV  (i)

Af2−Af1>0 eV  (ii)

Af3−Af2>0.2 eV  (iii)

Provided are asymmetric arylamine derivatives for an organic electroluminescent element, represented by the formula (1), which is prepared by sequentially inducing a secondary amine and a tertiary amine to an aryl compound Ar core so that they do not include a symmetrical axis and a symmetrical surface in a molecule, a manufacturing method of the same, an organic thin layer material including the asymmetric arylamine derivatives, and an organic electroluminescent element employing the same:

wherein Ar represents a C₁₀-C₂₀ divalent aryl group, Ar₁ is a divalent C₆-C₃₀ aryl group, and Ar₂ to Ar₅ each independently represents a divalent C₆-C₃₀ aryl group, at least one of Ar₂ to Ar₅ having a different structure when the secondary amine and the tertiary amine in Ar are substituted at symmetrical positions, and Ar₂ to Ar₅ having the same structure or different structures when the secondary amine and the tertiary amine in Ar are substituted at asymmetrical positions. The asymmetric arylamine derivative can be used in forming an organic thin layer for an organic electroluminescent element. When the organic electroluminescent element is formed using a dopant as an emitting material, the asymmetric arylamine derivative exhibits superb emission efficiency and an excellent lifetime characteristic in a blue wavelength region.

In an organic electroluminescence element, a stray light which is confined in the inside of a light emitting layer, an anode and a glass substrate receives the conversion of angle at an end portion of a pixel restricting portion and is eradiated and hence, a substantial light emitting region is expanded from an original light emitting region. When such an organic electroluminescence element is used in an exposure device, the resolution is substantially lowered. To overcome such a drawback, the present invention provides an organic electroluminescence element includes an anode to which holes are injected, a light emitting layer, a cathode to which electrons are injected, and a pixel restricting portion which restricts a light emitting region of the light emitting layer by controlling the injection of at least one of the holes and the electrons, wherein a thickness of an end portion of the pixel restricting portion on a side thereof which restricts the light emitting region is set to a value equal to or more than 20 nm and equal to or less than 100 nm.

Provided herein are methods and recombinant expression systems for the production of recombinant glycoproteins that have increased sialic acid content and contain predominantly alpha2-6 sialic acid linkages. Also provided herein are recombinant glycoproteins that have an increased in vivo circulatory half-life. One potential application of the glycoproteins described herein is for the treatment and prophylaxis of poisoning by neurotoxins.

A remaining lifetime of a pressure vessel mounted on a fuel cell vehicle or the like and comprises a liner at its inner side and a reinforcing layer at its outer side can be predicted with high precision and in short time. An artificial imperfect structure is formed at an outer surface of the liner in a size capable of being maintained by a weakest part of a hydrogen gas tank throughout the total period of use of the hydrogen gas tank. A detector is, for example, comprised of a crack gauge intervening between the liner and the reinforcing layer, and is fixed to the outer surface of the liner close to the artificial imperfect structure. A crack length increases accompanying the increase of a pressure cycle of an internal pressure caused by usage of the hydrogen gas tank. The detector increases a resistance value accompanying a crack growth.

An upper die and a lower die are provided. An unpenetrating hole is formed at an upper face of a metal board with the upper die, so that a protrusion is formed on a lower face of the metal board at a portion corresponding to the unpenetrating hole. A flat portion is formed on the protrusion with the lower die. The unpenetrating hole is punched with the upper die while supporting the flat portion with the lower die to form the through hole.

An axial air gap type electric motor is constructed such that even if a relatively large force is added in the vertical direction to the rotor output, the bearings are protected against damage. The axial air gap type electric motor includes a stator and two rotors each of which is configured almost with a discoid shape and which are arranged as facing one another on a common rotation axle with a fixed gap being present therebetween. The stator has a stator core comprising multiple pole members connected annularly. One of the bearings for fixing the rotor output axle is installed inside the stator configured annularly and another bearing is installed on the rotor output axle between the outside of said rotor and the load connected.

A solid state storage device and controlling method thereof are provided, and the method includes following steps. Data is programmed into a flash memory module by using a first programming scheme. A data error parameter of the flash memory module is determined. If the data error parameter is greater than an error predefine value, the data is programmed into the flash memory module by using a second programming scheme. The first programming scheme and the second programming scheme are respectively mapping to a first threshold voltage frame and a second threshold voltage frame, and voltage interval of the second threshold voltage frame is broader than voltage interval of the first threshold voltage frame.

A wear leveling method for a rewritable non-volatile memory module is provided. The method includes: recording a timestamp for each of physical erasing units storing valid data according to a programming sequence of the physical erasing units storing valid data among the physical erasing units, and recording an erase count for each of physical erasing units. The method also includes: selecting a first physical erasing unit from the physical erasing units storing valid data according to the timestamps, selecting a second physical erasing unit from physical erasing units not storing valid data among the physical erasing units according to the erase counts, and writing valid data of the first physical erasing unit into the second physical erasing unit, and marking the first physical erasing unit as a physical erasing unit not storing valid data.

The present invention pertains to a coaxial connector including an insulating base disposing a central terminal passing through a hole thereof to facilitate signal transmission, a first and a second terminals including secure plates to be disposed on a deep slot of the insulating base, a waterproof ring, and a metal shell. Wherein, the secure plates have fixing flanks to strengthen the firmness between the terminals and the insulating base. Wave-shaped contacts with high resilience further protrude from the fixing flanks to prop against or separate from the switch button of the mobile communication device for getting through or disconnecting the communication. Through the highly elastic contacts, the terminals still maintain to firmly contacting with the switch button or rapidly bouncing back even when being subjected to a long-term compression and ensure the stability of the mutual signal transmission among the mobile communication devices.

An impeller (1) according to the present invention has a disk-like main plate (10), a blade (20) joined to the main plate, and a side plate (30) having a suction port. A boss hole (12) is formed in a central portion of the main plate for attaching a boss which engages with a pump shaft to the boss hole. A step portion (14) is formed around the boss hole, which is formed in the main plate, by drawing.

The characteristics of a power storage device are improved and the lifetime of the power storage device is prolonged. An electrode is manufactured through the following steps: a step of forming an electrode film; a step of forming a damage layer by ion doping on the electrode film; and a step of providing a damage region between the damage layer and a surface. Alkali ion insertion and extraction can be performed by dipping of an electrode, in which the damage layer and the damage region are formed, in a solution containing an alkali ion. A space in which the volume of the electrode is expanded can be secured by the formation of the damage layer and the damage region. Note that another lithium may be used instead of an alkali metal.

An image display device is constituted such that a back substrate on which image signal lines, scanning signal lines and electron sources are arranged and a face substrate which has phosphor layers are hermetically sealed to each other by way of a frame body using a sealing material, and the inside of the image display device is formed into a vacuum. A length LSK of a second sealing region into which scanning signal lines hermetically penetrate is set larger than a length LDK of a first sealing region into which thin-film image signal lines hermetically penetrate and hence, it is possible to suppress the decrease of the degree of vacuum.

A returning assembly of a spanner includes a driving portion having a receiving space, a switch unit and an ejecting unit having a truncated conic shape; a radial direction of the driving head having a slightly inclined buckling surface; the buckling surface and an inner wall of the receiving space being formed with a semilunar buckling space for receiving the ejecting unit; the ejecting unit serving for controlling the returning directions of the driving head. The driving head has a driving block which are arranged at an axial direction of the driving head for installing a socket or other driving assembly. A switch unit is installed in the driving head. The switch unit has a control end projected from the driving portion and a resisting end. The ejecting unit having a receiving chamber for receiving a resisting unit for firmly securing the ejecting unit in the buckling space.

A supporting assembly configured to support a plurality of tubes includes a first supporting rod, a second supporting rod opposite to the first supporting rod, a bridging member, and a rolling member. The first supporting rod includes several first parallel recesses. The bridging member is connected to one end of the first supporting rod or one end of the second supporting rod. The rolling member is received by the bridging member.

A polycrystalline metal-based LED heat dissipating structure includes a composite substrate, an insulated heat conducting layer, printed circuit layer, electric and heat conducting layer, and a polycrystalline metal-based LED. The composite substrate and the printed circuit layer are linked by the insulated heat conducting layer. The printed circuit layer and the polycrystalline metal-based LED are linked by the electric and heat conducting layer. Through the above structure, the life time of the polycrystalline metal-based LED will be prolonged and the light decadency will be prevented.

An electronic shelving display system comprises at least one shelf support 62, at least one electrically conductive track 4, 104 comprising a plurality of electrically conductive elements 40, mountable to the shelf support, at least one connector 2, 102 for an electrically conductive track, and at least one shelf 64. The connector 2, 102 comprises one or more cables 6, 106; at least one electrical contact 8 coupled to each cable; and a housing 16 configured to engage the track and urge the electrical contacts into contact with the electrical conductors. The connector 2, 102 is releasably engageable with the electrically conductive track 4, 104 to provide an electrical connection to allow for the supply of power and/or data to the shelf 64. A connector for an electrically conductive track, a method of making an electrical connection, and an electrically conductive track are also provided.

An image reading apparatus for reading a document image to provide image data corresponding thereto, including a photoelectric conversion unit which converts a light-received image into an image signal, a photoelectric conversion unit which converts an optical image on a document into an image signal, an image processing unit which processes the image signal outputted from the photoelectric conversion unit, and provides the image data, a power source unit which supplies power to respective units including the photoelectric conversion units and the image processing unit of the image reading apparatus, and a power supply control unit which controls power supply from the power source unit to the photoelectric conversion unit.

The present invention relates to a tyre for vehicle wheels comprising at least one structural element comprising a cross-linked elastomeric material obtained by cross-linking a cross-linkable elastomeric composition comprising carbon nanotubes, wherein said carbon nanotubes are obtained with an iron oxides and/or aluminium oxides based catalyst substantially free of Co, Ni and Mo.

A backlight module for liquid crystal display device and a liquid crystal display device are disclosed. The backlight module comprises a light source circuit and a light guide plate, wherein said light source circuit comprises a control circuit and a plurality of light-emitting units, which are arranged on a lateral surface of said light guide plate and connected with said control circuit, each light-emitting unit being activated or deactivated by said control circuit; and wherein said light guide plate is used for guiding light which enters from the lateral surface, so that the light exits from a front surface. The power consumption of the backlight module according to the present disclosure is lower than the light source circuit of the backlight module in the prior art.