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Expandable fusion device and method of installation thereof

The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations.




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Hip joint device, system and method

An implantable medical device for implantation in a hip joint of a human patient is provided. The medical device comprises: at least one artificial hip joint surface adapted to replace at least the surface of at least one of the caput femur and acetabulum. At least one artificial hip joint surface comprises: a positioning hole with at least one opening in said at least one artificial hip joint surface. The hole is adapted to be placed and dimensioned such that the medical device is adapted to be fitted using a positioning shaft and at least partly surround the shaft, for positioning the at least one artificial hip joint surface in a desired position in the hip joint. The hole is adapted to be fitted using the positioning shaft, when the shaft is stabilized and placed in at least one of the femoral bone and the pelvic bone for positioning said medical device inside the hip joint.




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Devices, systems, and methods for elongating bone

The present invention comprises devices, systems, and methods for elongating bone using an extension implant having a first end and a second end. The first end of the extension implant is inserted into an opening in the live bone and the second end of the extension implant is combined with an enlarged implant. A plurality of channels extend through the components to serve as conduits for delivering fluids and physiological signals which induce bone formation. Some embodiments include a subcutaneous cage assembly for helping to support the implant as the bone heals around it.




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Devices and a kit for improving the function of a heart valve

A device for improving the function of a heart valve comprises a first loop-shaped support, which is configured to abut a first side of the heart valve, and a second loop-shaped support, which is configured to abut a second side of the heart valve opposite to said first side, whereby a portion of the valve tissue is trapped between the first and second supports. An outer boundary of the second support is greater than an outer boundary of the first support.




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Quick and sensitive method of quantifying mycolic acid to develop anti-microbial agents and a diagnostic kit thereof

The present invention relates to a rapid, sensitive, simple, and cost-effective spectrophotometric method of detecting and quantifying mycolic acid in a mycolic acid-fuschin dye complex with absorbance maxima ranging between 490-500 nm in the presence of various test compounds, for screening mycolic acid biosynthesis inhibitors useful as anti-microbial agents and a diagnostic kit thereof comprising basic fuschin dye in the concentration ranging between 0.1-1.0 gm/100 ml, phenol and 95% ethanol in the ratio ranging between 1:4 to 2:1 (v/v), and phenol and distilled water in the ratio ranging between 1:14 to 1:25.




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Azaindenofluorenedione derivative, material for organic electroluminescence device and organic electroluminescence device

An azaindenofluorenedione derivative shown by the following formula (I), (IIa) or (IIb):




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Organic light emitting device

An organic light emitting device includes a substrate; a first electrode; a second electrode; and an organic layer including an emission layer between the first electrode and the second electrode. The organic layer includes a first intermediate layer including a first host and a first dopant, a second intermediate layer including the first dopant, and a third intermediate layer including a second host and the first dopant interposed between the first electrode and the emission layer. The organic light emitting device has a long lifetime.




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Safety device for detecting electrode breakage

The invention relates to a safety device (1) for detecting electrode breakage in an electric arc furnace, wherein an electrode (6) is secured on an electrode support arm (4), and wherein a conduit is filled with a medium under a constant pressure and a pressure drop is produced at an electrode breakage, which is detected as an alarm signal. Here, the conduit (7a-d,3) is integrated in a protective component that is arranged beneath the electrode support arm (4) thereon, wherein in case of an electrode breakage, the conduit (7a-d,3) is damaged by a produce electric arc and the pressure drop takes place.




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Method for treating spheroidal graphite iron and pouring device thereof

A method for treating spheroidal graphite iron includes the step: pouring molten spheroidal graphite iron into a pouring electrical furnace (1); covering the molten spheroidal graphite iron (5) with alkali slag (6) which is melted at high temperature and rich in alkali earth metal ion, rare earth metal ion, or mixture of them; connecting the molten spheroidal graphite iron (5) with the negative pole of the direct current source by one pole (7); connecting the alkali slag (6) with the positive pole of the direct current source by another pole (4), treating the molten spheroidal graphite iron (5) with the alkali slag (6) which is used as electrolyte. The method can prevent the spheroidized fading velocity of the spheroidal graphite iron. The pouring electrical furnace can be used for treating the molten spheroidal graphite iron.




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Device for adjusting the locking point of an electrode

A device (10) for adjusting the locking point of the electrode of a smelting furnace includes a vice (120) for supporting said electrode and supplying it with power. A structure (13) is coupled with the vice (120), supports the electrode and moves the electrode vertically.




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Movable device for injecting oxygen and other materials into electric arc furnace

A movable device for injecting oxygen and other technical materials into an electric arc furnace includes a housing situated above a portion of a step of a crucible and equipped with a cooling coil, an injection lance of oxygen and other technical materials, a supporting and moving system of the lance between minimum and maximum range points of the liquid bath level contained therein, positioned in the housing, an opening situated in the housing and facing the inside of the crucible in which the lance is transferably guided, and a scraping member disposed between the opening and the lance.




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Sealing device

A sealing device is arranged around a rod electrode extending vertically through an aperture made in the ceiling of an arc furnace and being vertically movable inside the furnace to prevent the access of gases from the furnace through the aperture to the atmosphere, and on the other hand to prevent air from flowing from the atmosphere into the furnace. The sealing device comprises a gas distribution chamber provided with an inlet channel for feeding essentially passive gas, such as nitrogen or air, into the gas distribution chamber. The sealing device also includes a slit nozzle encasing the electrode, through which nozzle a gas jet is arranged to be discharged from the gas distribution chamber towards the electrode in a direction that is at an angle with respect to the horizontal plane and has a slightly upwards inclined orientation, and that is, with respect to the furnace interior, pointed outwardly, so that the sealing is carried out owing to the effect of the created stagnation pressure.




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Device and method for generating a control signal

A device is described for generating a control signal for controlling a passenger protection arrangement of a motor vehicle, having a first acceleration sensor for generating a first acceleration signal, having a second acceleration sensor for generating a second acceleration signal, having a first structure-borne noise sensor for generating a first structure-borne noise signal, having a second structure-borne noise sensor for generating a second structure-borne noise signal, and having an evaluation circuit, the evaluation circuit (being configured for generating a combination signal from the first structure-borne noise signal and the second structure-borne noise signal, the evaluation circuit being configured for generating the control signal as a function of the first acceleration signal, the second acceleration signal and the combination signal.




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Inoculation process and device

The present invention describes an inoculation process for inoculating a nucleating additive to a cast iron alloy in a pouring distributor by means of using a transferred arc plasma torch, with an anode partially immersed in the cast iron alloy and a cathode located on the surface of said alloy, the anode or the cathode or both comprising graphite, preferably synthetic crystalline graphite, which supplies said nucleating additive to the iron alloy. The invention thus describes an inoculation device useful for carrying out the inoculation process.




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Sealing device

In a sealing device (1) for sealing the through hole of an electrode, the pressurizing medium that generates the pressure of mechanical sealings against a rod electrode structure is an inert gas, such as nitrogen. The means for pressing the created sealing ring (6) against the rod electrode structure (4) include a gas distribution chamber (8) surrounding the sealing ring (6); a first channel (9) that is arranged to provide a flow path for the inert gas in between the hose (14) and the gas distribution chamber (8); an annular groove (10) in the sealing surface (7) of the sealing ring (6); and a second channel (11), which is placed in the sealing ring (6) and is arranged to provide a flow path for the gas from the gas distribution chamber to the groove (10) for extruding the gas in between the sealing surface (7) and the rod electrode structure (4).




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Starting device of spark-ignition multi-cylinder engine

A starting device of a spark-ignition multi-cylinder engine is provided. The device includes a multi-cylinder engine body having cylinders, fuel injection valves, ignition plugs, an intake valve drive mechanism for opening and closing intake valves, a hydraulic variable valve phase mechanism for changing a close timing of each intake valve, an engine-driven hydraulic pressure supply source for supplying a hydraulic pressure, and a start controller for controlling the fuel injection valves, the ignition plugs, and the variable valve phase mechanism. When the supplied hydraulic pressure is below a predetermined pressure, the variable valve phase mechanism locks the close timing. When an engine temperature in an engine-start is high, the start controller retards a fuel injection timing of the cylinder on intake stroke at an engine stopped timing and retards an ignition timing thereof. The start controller does not retard the close timing of the intake valve until the engine-start completes.




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Torque limiting device, particularly for power transmission elements

A torque limiting device, particularly for power transmission elements, is provided. The torque limiting device includes a first connecting member and a second connecting member, which is connected rotatably to a driven element. The first connecting member includes a motor driving disk and the second connecting member includes a sliding disk, and further includes a pin supporting body which comprises a drum that is assembled on the second connecting member and includes a plurality of radial holes, each one of which accommodates a pin that is pressed, toward the center of the drum, by elastic means, and abuts, with at least one of its faces which is inclined with respect to the central rotation axis of the second connecting member, against at least one corresponding abutment face.




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Driveshaft containment device

A driveshaft containment system and a method of its use. In preferred embodiments, the invention takes the form of a two component system including a first component mounted to a device such as a differential housing, coupled to driveshaft, and a second component comprising a tubular driveshaft containment housing. A driveshaft containment ring is preferably mounted to the forward end of the tubular housing which in turn is provided with a mechanism at its rearward end for rotationally engaging and disengaging the first component. The first and second components are also provided with a mechanism for preventing relative rotational movement of the first and second components while engaged with one another.




dev

Wheel bearing device

A shaft portion of a joint outer ring where projections extending in an axial direction are provided is press-fitted into a hole portion of a hub wheel to thereby form recesses by the projections in an inner diameter surface of a shaft fitting hole of the hub wheel, by which a recess-projection fitting structure is constructed. An entire area of fitting sites of the projections and the recesses are brought into close contact. Moreover, a bolt member is fastened in a bolt hole provided in the shaft portion of the joint outer ring after the construction of the recess-projection fitting structure, which restricts separation between the hub wheel and the joint outer ring. As the bolt member, if an outer diameter of a seating surface thereof is d1 and a shaft diameter is d2, a bolt member satisfying a relational expression of 2.3≦(d1/d2)2≦4.9 is used.




dev

Device for damping vibrations in a drive train

A device for damping vibrations in a drive train, in particular for plug screws in the pulp and paper industries. The device is principally characterized in that a cylindrical shaft, preferably designed as a hollow shaft, is provided, wherein the cylindrical shaft is arranged between the halves of a coupling and at least one ring having friction surfaces is arranged around the cylindrical shaft. Stick-slip vibrations that occur can thereby be favorably eliminated, and thus the gearbox and the motor of the drive train can be protected.




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Wheel supporting device

A wheel supporting device includes: a hub unit that has a rotary ring having a first spline on its axially inner end face; and a joint that has an outer ring having a second spline, meshing with the first spline, on its axially outer end face. At least one projection included in a plurality of projections of the first spline projects in the axial direction by a larger amount than the remaining projections of the first spline. When a crest of the at least one projection contacts a crest of one of projections of the second spline, a play is caused between the rotary ring and the outer ring due to the at least one projection that works as a fulcrum.




dev

Damper device

A damper device configured with an input element, an intermediate element to which power is transferred from the input element through a first elastic body, and an output element to which power is transferred from the intermediate element through a second elastic body. One of the output element and the intermediate element has a protruding portion projecting in an axial direction. The other one of the output element and the intermediate element has a cutout portion corresponding to the protruding portion. The protruding portion has a restricting portion that is engaged with the cutout portion in a rotation direction so as to restrict rotation of the intermediate element relative to the output element, and a support portion that is engaged with the cutout portion so that the intermediate element is supported by the output element in a radial direction.




dev

Lock-up device for fluid coupling

A lock-up device for a fluid coupling suppresses vibration caused by coil springs. The lock-up device includes an input rotation member, an output rotation member, a plurality of first elastic members, and a float member. The plurality of first elastic members are compressed in a rotational direction by the relative rotation of the input rotation member and the output rotation member. The float member is rotatable relative to the input rotation member to cause two of the first elastic members to act in series in a circumferential direction.




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Device for generating limit torque with function of yielding torque change in real time

A device for generating limit torque with a function of yielding a torque change in real time includes a spring, a rotating portion having a cam surface formed therein, a transmitting portion transmitting an elastic force of the spring to the cam surface, a fixed portion with respect to which the relative rotation of the rotating portion is generated, and a limit-torque control portion provided to the fixed portion so as to control limit torque of the rotating portion by adjusting the elastic force of the spring. In the device, the limit-torque control portion controls the limit torque of the spring by changing the elastic force of the spring in real time.




dev

Valve timing control device for internal combustion engine

A valve timing control device includes: a vane rotor having a plurality of vanes; a housing having the vane rotor inside so that an advance chamber is formed on one side of each vane and a retard chamber is formed on the other side; a lock pin inserted in a cylinder provided in the vane and moves to a lock position and to an unlock position; and a feeding passage for feeding oil into the cylinder from the retard chamber adjacent to the vane provided with the cylinder to make the lock pin move to the unlock position, and controls an oil supplying unit to supply oil to each retard chamber, wherein a flow passage cross sectional area of the branch passage connected with the retard chamber linking with the cylinder is larger than a flow passage cross sectional area of the branch passage connected with the other retard chamber.




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Adaptive control of electrical devices to achieve desired power use characteristics

A system and method is provided for energizing and managing digitally-controlled devices at different levels of granularity, to achieve desired power use characteristics. At the lowest level, a digitally-controlled device is energized using a variable load-sensing adaptive control (VLSAC). Operation of the device is controlled using digital signals input to the device, so that limits on parameters, such as power consumption are met. A plurality of VLSACs can be coupled to a power distribution unit (PDU), which is controlled to achieve desired levels for selected parameters, set for the PDU. Multiple PDUs can be coupled to a power conversion and regulation unit (PCRU), which can be controlled by a master control to achieve a desired power profile for an entire facility, enabling the facility to meet requirements of a utility supplying the power and thus, reducing operational costs. The VLSACs and PCRU include high efficiency power sources having low distortion.




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Music collection navigation device and method

An audio navigation device comprising an input means for inputting two or more audio pieces into the navigation device; a spatialization means for allocating a position in the form of a unique spatial co-ordinate to each audio piece and arranging the audio pieces in a multi-dimensional arrangement; a generating means for generating a binaural audio output for each audio piece, wherein the audio output simulates sounds that would be made by one or more physical sources located at the given position of each audio piece; an output means for simultaneously outputting multiple audio pieces as binaural audio output to a user; a navigation means for enabling a user to navigate around the audio outputs in the multi-dimensional arrangement; a selection means for allowing a user to select a single audio output.




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Method and device for actuating a key of a keyboard with a tracer finger of a robot

There is provided a method for actuating a first key of a keyboard with a tracer finger of a robot. An exemplary method comprises acquiring parameters of the keyboard and determining a position of the first key as a function of the acquired parameters using a model of the keyboard. The exemplary method also comprises guiding the tracer finger of the robot to the determined position of the first key. The exemplary method additionally comprises actuating the first key with the tracer finger of the robot.




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Verification and control device and method for at least one water purification system

A verification and control method for at least one water purification system is described, which includes a step of supplying, by a server embedded with the water purification system, an editing interface comprising a zone for selecting items of exploitation information representing physical quantities associated with the water purification system, a step of selecting, via the first remote browser, at least one item of exploitation information to constitute at least one exploitation interface page, a step of sending a request to access the exploitation page, by a second remote browser, to the server, a step of collecting the value of each physical quantity represented by a selected item of information to constitute the page, and a step of supplying, by the server, the page comprising each collected value.




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Light absorption anisotropic film, polarizing film, process for producing the polarizing film and display device using the polarizing film

A light absorption anisotropic film, wherein content of a liquid crystalline non-colorable low molecular weight compound is 30% by mass or less; and which is obtained by fixing the alignment of a dichroic dye composition comprising at least one type of azo-based dichroic dye having nematic liquid crystallinity; and shows a diffraction peak derived from a periodic structure in a direction parallel to the alignment axis on measurement of X-ray diffraction. The light absorption anisotropic film is high in dichroism.




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Liquid-crystal compound, liquid-crystal composition, light absorption anisotropic film, and liquid-crystal display device

A liquid-crystal compound denoted by general formula (I) below wherein each of the groups is defined and Dye denotes an azo dye residue denoted by general formula (II) with X and n also being defined. The azo liquid-crystal compound is capable of orientation with a high degree of orientation order.




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Device for inspecting plant parts located under water

A device for inspecting submersed plant parts is particularly suited for ultrasonic inspection of screws in the core baffle of a nuclear reactor pressure vessel. The device includes a remote-controlled underwater vehicle that is provided at its end face with a carrier that can be pivoted about a pivot axis oriented parallel to the longitudinal central axis of the underwater vehicle, and is provided with a holding device for an inspection head that is arranged on the carrier spaced apart from the pivot axis.




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Separation and receiving device for spent nuclear fuel rods

Disclosed is a separation and receiving apparatus for a spent nuclear fuel rod. The spent nuclear fuel rod is mounted and downwardly transferred by a pin. At this time, a blade peels the hull of the spent nuclear fuel rod. The hull and a pellet positioned therein are separated by a separator. The peeled hull and pellet are each received in respective receiving vessels. Accordingly, since the hull and pellet made of uranium oxide (UO2) may be automatically separated and received in each respective vessel, safety and automation may be guaranteed.




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Method for measuring the neutron flux in the core of a nuclear reactor using a cobalt detector and associated device

A method for measuring the neutron flux in the core of a nuclear reactor, the method including several steps recurrently performed at instants separated by a period, the method comprising at each given instant the following steps: acquiring a total signal by a cobalt neutron detector placed inside the core of the reactor; assessing a calibration factor representative of the delayed component of the total signal due to the presence of cobalt 60 in the neutron detector; assessing a corrected signal representative of the neutron flux at the detector from the total signal and from the calibration factor; assessing a slope representative of the time-dependent change of the calibration factor between the preceding instant and the given instant; the calibration factor at the given instant being assessed as a function of the calibration factor assessed at the preceding instant, of the slope, and of the time period separating the given instant from the preceding instant.




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Monitoring user activity on a mobile device

Monitoring user activity on a mobile device is described. In one aspect, video content is received and played to a user of the mobile device. The monitoring activity detects an interruption of playback of the video content and determines an event associated with the interruption. The event is stored in the mobile device and communicated to a remote device.




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Advertisement delivering system based on digital television system and mobile communication device

A digital television system is connected to a mobile computing and communication device through an ad hoc communication link. A program broadcasted by the television system includes a plurality frames delivered in a sequential manner. A user can freeze a frame by employing the mobile device. The frame can then be transmitted to the mobile device and be redisplayed on the mobile device. The redisplayed frame includes visible symbols pointing to displayed items associated with advertising messages. The frame can also be stored in a photograph folder for the user to view the frame and associated advertising messages in a later time.




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Methods, devices, and computer program products for providing instant messaging in conjunction with an audiovisual, video, or audio program

Methods, devices, and computer program products for providing instant messaging in conjunction with an audiovisual, video, or audio program are provided. The methods include providing an audiovisual, video, or audio program to a user. Viewer/listener input is received requesting activation of a program-based instant messaging function. A viewer/listener identifier corresponding to the viewer/listener is associated with a program identifier that uniquely identifies the audiovisual, video, or audio program being provided to the user to thereby generate a program viewer/listener record. The program viewer/listener record is transmitted to an electronic database. A list of other users who are viewing or listening to the program in addition to the viewer/listener is acquired from the electronic database. The list of other users is transmitted to the viewer/listener.




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Remote control of program receiving devices

Methods, devices, and storage mediums provide for selecting a remote control mode of operation for a mobile device to allow the mobile device to remotely control a program receiving device. Additionally, methods, devices, and storage mediums provide for a proxy service to allow the mobile device to remotely control a program receiving device, an over-the-top service to allow the mobile device to remotely control a program receiving device, and a direct link service to allow the mobile device to remotely control a program receiving device. Methods, devices, and storage mediums also provide for a notification protocol.




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Receiving device, receiving method, program, and broadcasting system

Disclosed herein is a receiving device for receiving AV contents, the receiving device including: an obtaining section configured to obtain a description document described in a program language for displaying contents from a server present on a network connected with the receiving device; a determining section configured to determine whether the obtained the description document is obtained from a first server managed on a broadcaster side broadcasting the AV contents; and a controlling section configured to control execution of the obtained the description document according to a result of determination by the determining section.




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Method and system for data processing in a device with integrated set-top-box and femtocell functionality

Aspects of a method and system for data processing in a device with integrated set-top-box and femtocell functionality are provided. Data may be received via an integrated femtocell and set-top-box device and may be synchronously processed, utilizing a common clock, to perform one or more femtocell functions and/or set-top-box functions. The common clock may be derived from global navigation satellite system signals. The integrated femtocell and set-top-box device may convert the received data from a first to a second format. The converted data may be transmitted to a cellular enabled communication device via a cellular transmitter within said integrated femtocell and set-top-box device and/or to a multimedia device via a multimedia interface within said integrated femtocell and set-top-box device. The received data may comprise multimedia content. The integrated femtocell and set-top-box device may be operable to encode, decode, transcode, encrypt, decrypt, scramble, descramble, and present the received multimedia content.




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Electroluminescent device with quinazoline complex emitter

An OLED device comprises a cathode, an anode, and located therebetween a light-emitting layer containing a host material and a tris-C^N-cyclometallated complex of Ir or Rh wherein at least one of the ligands comprises a substituted quinazoline moiety. The device provides useful emission and stability attributes.




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***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Organic light-emitting device

A heterocyclic compound represented by Formula 1 or Formula 2 below and an organic light-emitting device including the heterocyclic compound: wherein X1, X2, and R1 through R16 are defined as in the specification.




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Triphenylene-based compounds and organic electroluminescent device comprising same

The present invention relates to a triphenylene-based compound represented by the following Formula 1 and an organic electroluminescent device including the same, and the compound of the present invention has excellent hole injection and/or transporting ability, electron transporting ability, and/or light emitting ability, and particularly, green and red light emitting ability, and thus in an organic electroluminescent device containing the same as a light emitting host material, characteristics such as luminous efficiency, luminance, thermal stability, driving voltage, service life and the like may be improved. In the formula, each of A, L, X and R1 to R19 is the same as those as defined in Detailed Description.




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Fluorene compound and organic electroluminescent device using the same

The present invention discloses a new fluorene compound and organic EL device using the compound. The organic EL device employing the new fluorene compound as host material can lower driving voltage, prolong half-lifetime. The fluorene compound can functions as blue emitting host material of a light emitting layer and improve CIE color purity in blue emitting device. The fluorene compound are represented by the following formula(A): Wherein R1 to R6 are identical or different. R1 to R6 are independently selected from the group consisting of a hydrogen atom, a halide, alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 6 to 30 carbon atoms. R7˜R13 are identical or different R7 to R13 are independently selected from the group consisting of hydrogen atom, halide, alkyl group, aryl group, heteroaryl group. m and n are independently an integer of 0 to 3, X is selected from carbon or nitrogen.




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Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device

A novel substance with which an increase in life and emission efficiency of a light-emitting element can be achieved is provided. A carbazole compound having a structure represented by General Formula (G1) is provided. Note that a substituent which makes the HOMO level and the LUMO level of a compound in which a bond of the substituent is substituted with hydrogen deep and shallow, respectively is used as each of substituents in General Formula (G1) (R1, R2, Ar3, and α3). Further, a substituent which makes the band gap (Bg) and the T1 level of a compound in which a bond of the substituent is substituted with hydrogen wide and high is used as each of the substituents in General Formula (G1) (R1, R2, Ar3, and α3).




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Optical film, method of producing optical film, antireflective film, polarizing plate and image display device

An optical film has a cellulose acylate film base material containing cellulose acylate and a plurality of sugar ester compounds having different ester substitution degrees in which an average ester substitution degree of the plurality of sugar ester compounds is from 60 to 94%, and an antistatic hardcoat layer formed from a coating composition containing at least an organic antistatic agent and a curable compound having a (meth)acryloyl group in a molecule of the curable compound.




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Heterocyclic compound and organic light-emitting device including the same

Embodiments of the present invention are directed to heterocyclic compounds and organic light-emitting devices including the heterocyclic compounds. The organic light-emitting devices using the heterocyclic compounds have high-efficiency, low driving voltages, high luminance and long lifespans.




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Organic light-emitting device

A heterocyclic compound represented by Formula 1 or Formula 2 below and an organic light-emitting device including the heterocyclic compound: wherein X1, X2, and R1 through R16 are defined as in the specification.




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Organic light-emitting device

An organic light-emitting device, including a first electrode, the first electrode having a smaller absolute value of a work function energy level than an absolute value of a work function energy level of ITO, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode.




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Method and device for operating a drive device

The invention relates to a method for operating a drive device (1) of a motor vehicle, said drive device (1) comprising at least one combustion engine (3) and at least one electric machine (9), as well as a dual clutch transmission (4) which can be functionally connected to the combustion engine (3) and which comprises a first sub-transmission (5), a first clutch (6) being associated therewith, and a second sub-transmission (7), a second clutch (8) and the electric machine (9) being associated therewith. In a purely electrical driving operation, the electric machine (9) is operated in a motorized manner, a driving gear is engaged in the second sub-transmission (7), and both clutches (6, 8) are disengaged. According to the invention, in order to start the combustion engine (3) during the electric driving operation, the second clutch (8) is engaged so as to drive the combustion engine (3) by means of the electric machine (9), a gear is engaged in the first sub-transmission (5), said gear having a lower gear ratio than the engaged driving gear of the second sub-transmission (7), the first clutch (6) is brought into a slip position and the second sub-transmission (7) is subsequently brought into a neutral position, the rotational speed of the electric machine (9) is increased at least to a starting rotational speed for the combustion engine (3) with the slip of the first clutch (6) being adjusted to maintain a forward torque of the motor vehicle, and the combustion engine (3) is started once its starting rotational speed has been reached. In addition, the invention relates to a device for operating a drive device of a motor vehicle.