43results about How to "Reduce excitation" patented technology

An object is to provide a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. Other objects are to provide a light-emitting element having low driving voltage, a light-emitting element having high current efficiency, and a light-emitting element having a long lifetime. Provided are a light-emitting element including a compound in which a dibenzo[f,h]quinoxaline ring and a hole-transport skeleton are bonded through an arylene group, and a light-emitting device, an electronic device, and a lighting device each using this light-emitting element. The heterocyclic compound represented by General Formula (G1) below is provided.

Provided is a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. In the formula, A represents any of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group, R11 to R19 separately represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 14 carbon atoms, and Ar represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms.

Provided is a light-emitting module, a light source device and a liquid crystal display device in which unevenness in the luminance and color hardly occurs as compared to conventional technology. A light-emitting module 100 is structured such that a plurality of element columns, each composed of light-emitting elements 120 arranged in line, are mounted on a substrate 110, and each element column is individually sealed by a separate sealing member 130. The light source device and the liquid crystal device each include the above light-emitting module 100.

Provided is a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. In the formula, A represents any of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group, R11 to R19 separately represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, and Ar represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms.

A micro-flexure is provided for achieving secondary actuation in an actuator of a disk drive. The micro-flexure is a separate element which attaches to a standard flexure. A slider mounts to the micro-flexure. Piezoelectric elements attach to the micro-flexure to provide the motive force for displacing the micro-flexure during secondary actuation. The secondary actuation is thereby achieved by isolating movement at the slider.

Provided is a high density plasma chemical vapor deposition (HDP-CVD) apparatus that includes a plurality of nozzles and / or injection pipes arranged for injecting a source gas mixture into a reaction chamber. The nozzles will each include an outlet region that includes a plurality of outlet channels or ports, the outlet channels are, in turn, configured to have a sufficiently small width and a sufficient length to suppress the formation of a plasma within the source gases passing through the respective nozzles. By suppressing the formation of a plasma within the nozzles, the thickness of deposits formed on the nozzles during the deposition processes can be maintained at a level generally no greater than deposits formed on the other chamber surfaces. This control of the deposit thickness allows the nozzles to be cleaned effectively by the same cleaning process applied to the chamber.

A substance analyzer utilizing Prompt Gamma Neutron Activation Analysis for identifying characteristics of a substance and method of manufacturing the same are disclosed. The analyzer is small enough to be portable and to allow its use in many applications where current analyzers cannot be utilized. The analyzer uses a neutron radiation source and a gamma-ray detector to activate the sample material and detect the prompt gamma rays emitted by the sample material. A novel housing for such an analyzer and method for making the housing are also described. Novel methods of operating such an analyzer including via a communications network are also disclosed. Also disclosed are data analysis methods that improve the accuracy and sensitivity of the results of such material analysis.

The present invention teaches novel methods of diagnosing and prognosing conditions associated with tissue degeneration and / or pain, including intervertebral disc degeneration, discogenic pain, osteoarthritis, rheumatoid arthritis, and articular cartilage injury. Using the inventive noninvasive imaging methods, the diagnosis and prognosis of back pain and related conditions can be quickly and accurately determined by detecting one or more biomarkers disclosed herein.

A substance analyzer utilizing Prompt Gamma Neutron Activation Analysis for identifying characteristics of a substance and method of manufacturing the same are disclosed. The analyzer is small enough to be portable and to allow its use in many applications where current analyzers cannot be utilized. The analyzer uses a neutron radiation source and a gamma-ray detector to activate the sample material and detect the prompt gamma rays emitted by the sample material. A novel housing for such an analyzer and method for making the housing are also described. Novel methods of operating such an analyzer including via a communications network are also disclosed. Also disclosed are data analysis methods that improve the accuracy and sensitivity of the results of such material analysis.

The invention discloses a preparation method of PbSxSe1-x ternary nanocrystal. The method disclosed by the invention comprises the following steps of: mixing selenium powder and sulfur powder according to a certain proportion, slowly adding alkylamine which has long chain and has boiling point more than 180 DEG C, sufficiently stirring, heating (the selenium powder and the sulfur powder) amine mixed liquor into 180-260 DEG C, forming into settled solution at constant temperature, and adding the alkylamine which is dissolved with lead chloride and has the long chain and the boiling point more than 180 DEG C, so that a system is naturally cooled into room temperature after being sufficiently reacted, adding 10mL of chloroform into the system, and adding ethanol of which the volume is twice as high as the volume of the reaction solution into the reaction system, so that PbSxSe1-x ternary nanocrystal particle precipitate is separated out, therefore, the PbSxSe1-x ternary nanocrystal particle can be obtained.

The transformer 5 used for the present invention, comprises a core of E-shaped first and second core halves 5g, 5h coupled together in opposed relation to each other to form a closed magnetic circuit or circuits for supporting primary and secondary windings 5a, 5b wound around first and second core halves 5g, 5h; and a gap 5n defined between end surfaces 5l, 5m of first and second core halves 5g, 5h by spaced relation of end surfaces 5l, 5m to also form a reduced section area 5v by contacting the end surfaces 5l, 5m. When a large amount of electric current flows through resonant series circuit 14, reduced section area 5v comes to magnetic saturation to reduce an excitation inductance 5f of transformer 5, more increase excitation current ILP and thereby perform steady operation in any load condition. When a small amount of electric current flows through resonant series circuit 14, excitation inductance 5f of transformer 5 is increased to repress excitation current ILP, thereby reducing power loss during light or no load to improve power conversion efficiency during light load.

Provided is a novel heterocyclic compound which can be used for a light-emitting element, as a host material of a light-emitting layer in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. In the formula, A represents any of a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted carbazolyl group, R11 to R19 separately represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 14 carbon atoms, and Ar represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms.

The transformer 5 used for the present invention, comprises a core of E-shaped first and second core halves 5g, 5h coupled together in opposed relation to each other to form a closed magnetic circuit or circuits for supporting primary and secondary windings 5a, 5b wound around first and second core halves 5g, 5h; and a gap 5n defined between end surfaces 5l, 5m of first and second core halves 5g, 5h by spaced relation of end surfaces 5l, 5m to also form a reduced section area 5v by contacting the end surfaces 5l, 5m. When a large amount of electric current flows through resonant series circuit 14, reduced section area 5v comes to magnetic saturation to reduce an excitation inductance 5f of transformer 5, more increase excitation current ILP and thereby perform steady operation in any load condition. When a small amount of electric current flows through resonant series circuit 14, excitation inductance 5f of transformer 5 is increased to repress excitation current ILP, thereby reducing power loss during light or no load to improve power conversion efficiency during light load.

The invention discloses an array type meter header based on an NV color center and a temperature sensing device. Key components including NV color center diamond particles, an excitation light path, adetection light path, microwave feed and the like in a meter head of the temperature sensing device are integrally designed. An array type gauge outfit is formed by matching of an optical fiber bundle and diamond particles, and finally, the NV color center temperature measuring device with high spatial resolution and high measuring sensitivity is formed by the array type gauge outfit and each keysubsystem. The invention belongs to the field of fusion intersection of a quantum temperature measurement technology and an optical fiber array technology, greatly reduces the size of an NV color center temperature sensing device, improves the integration degree and measurement reliability of a gauge outfit, and expands the application of an NV color center related technology in the fields of thermal imaging and the like.

In a light emitting display device using electron emitter elements, it is possible to prevent lowering of image quality caused by spread of electron beams. MIM (Metal Insulator Metal) is used as the electron emitter elements and each of the electron emitter elements is surrounded by a conductive barrier (scanning wire). The electron emitter elements and the barriers are covered by upper electrodes so that the barriers and the surfaces of the electron emitter elements have the same electrical potential. The electron emitter elements and the barriers are formed on a cathode substrate. Color phosphors of R (red), G (green), and B (blue) are formed on an anode substrate at the side opposing to the cathode substrate. The color phosphors are excited by electron beams emitted from the electron emitter elements.

An electromagnetic compound objective lens is provided for charged particle device, especially as an objective lens of low-voltage scanning electron microscope (LVSEM), which comprises a magnetic immersion lens and an electrostatic immersion lens. The magnetic immersion lens orients its gap between an inner pole piece and an outer pole piece to specimen's surface, and uses a magnetic specimen stage. The electrostatic immersion lens comprises three or four electrodes which apply suitable retarding field to a primary beam of the charged particle device for reducing its landing energy on specimen surface and further eliminating imaging aberrations.

The invention provides a liquid crystal display device which comprises a liquid crystal panel. The liquid crystal panel comprises a quantum dot layer and a liquid crystal layer arranged below the quantum dot layer. The liquid crystal display device also comprises a backlight module arranged below the liquid crystal layer and a glass substrate arranged above the quantum dot layer; the backlight module comprises a backlight source and other optical assemblies; the glass substrate comprises a coloring material and a common glass material; the coloring material is used for blocking light rays, thewavelengths of which are smaller than 420nm, in environmental light; and the ratio of the coloring material and the common glass material is between 0.04 and 0.2. According to the liquid crystal display device provided by the invention, under the circumference of irradiation by the environmental light, the liquid crystal panel can filter ultraviolet light and part of blue rays in the environmental light, and is high in pass rate for light rays of other wavelengths. The whole display picture still has relatively high contrast and color purity, and the caused energy loss is small.

A novel heterocyclic compound is provided. In particular, a novel heterocyclic compound which can improve the element characteristics of the light-emitting element is provided. The heterocyclic compound is represented by a general formula (G1)DBq-(Ar1)-n-Ar2-A   (G1)in which a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group and a substituted or unsubstituted benzobisbenzofuranyl group are bonded to each other via a substituted or unsubstituted arylene group. In the general formula (G1), DBq represents a substituted or unsubstituted dibenzo [f,h] quinoxalinyl group, Ar1 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, n represents 0 or 1, Ar2 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, and A represents a substituted or unsubstituted benzobisbenzofuranyl group. When the arylene group represented by Ar1 and Ar2 has substituents, the substituents may be bonded to each other to form a ring.

A flyback switch power supply connects NP1 heteronymous terminals in a transformer B to a power source, grounds second primary side winding NP2 heteronymous ends, and ensures that NP1 and NP2 are dual-wire parallel windings. Adding a capacitor C1, one end of C1 is connected to NP1 homonymous terminals, and the other end is connected to NP2 homonymous terminals. The secondary side winding uses a Q2 connection method that is the opposite to the prior art, and is controlled by a PWM signal controlled by another output voltage. The following effect is realized: when Q1 is connected, NP1 and NP2 are both excited, and there is artificial surplus energy; when Q1 is disconnected, the secondary side NS implements a rectified output voltage via Q2 on the basis of the output load requirements, and the leakage inductance and excess energy are non-destructively absorbed by NP2 via D1.

The invention relates to a method for determining a coupling state (128a - 138a) of a drive train (2) of a motor vehicle (1) coupled to a clutch (4) on an internal combustion engine (112). Said methodcomprises the following steps: detecting the temporal course of a rotational speed (n) correlated to the rotational speed (nBKM) of the internal combustion engine (112); detecting at least one speedpattern (128 -138), produced by the internal combustion engine (112), from the temporal course of the rotational speed (nBKM), that has an oscillation (O) with at least one amplitude (A) superimposedover the temporal course of the mean value (DMD) of the rotational speed (nBKM), then it is closed in a coupling state (128a - 138a) when within a time interval ([delta]t), a characteristic change ofthe rotational speed (nBKM) and a characteristic behavior of the amplitudes (A) is detected. Furthermore, the invention relates to a corresponding computing unit (118) which is configured to carry outthe method, to an electric machine comprising the computing unit and to a corresponding computer program for carrying out said method.

The invention concerns a velocity control method for electric drives, in particular for machine tool control systems, wherein impact on the gear unit and machine caused by acceleration is restricted. To this end, control data are read in blocks, and predetermined nominal speeds (Vsoll) are approached as upper speed limits which are to be retained as far as possible, and local speed limits are approached in the form of target speeds (Vziel) at specific target points (Z4), looking ahead (Z'1, Z'3) within the framework of the look-ahead system with slight acceleration changes within the framework of the maximum permissible jolt. An acceleration limit which is independent of the speed can therefore be left at a constant high maximum value.

The invention provides a bulk acoustic wave resonator and a bulk acoustic wave filter, and relates to the technical field of filters. The bulk acoustic wave resonator comprises a substrate, an acoustic reflection structure, a bottom electrode, a piezoelectric layer and a top electrode, wherein the acoustic reflection structure, the bottom electrode, the piezoelectric layer and the acoustic reflection structure are sequentially stacked on the substrate; orthographic projections of the top electrode, the piezoelectric layer, the bottom electrode and the acoustic reflection structure on the substrate have an overlapping region; the overlapping region is an asymmetric region; the contour of the overlapping region is formed by connecting a first curve and a second curve end to end; and the first curve and the second curve are different in shape. Thus, when transverse sound waves are propagated in the overlapping region, because the contour of the overlapping region is composed of two curves, the transverse sound waves can be reflected at different angles after being reflected by the curve edges, so that the regularity of the propagation path of the transverse sound waves is destroyed, an irregular state is presented, excitation of transverse standing waves can be effectively weakened, the transverse pseudo mode of the bulk acoustic wave resonator is suppressed, and the Q value of the device is improved.

The invention discloses an improved light guiding plate and a production method thereof, belonging to the technical field of light guiding plates. The improved light guiding plate contains the following raw materials in parts by weight: 99.5-99.9 parts of polystyrene, 0.05-0.1 part of an antioxidant, 0.05-0.2 part of an ultraviolet light absorber and 0.05-0.3 part of a light stabilizer. Compared with the prior art, the improved light guiding plate has the advantages that by adding the yellowing-resistant, anti-UV and high-temperature-resistance antioxidant, the ultraviolet light absorber, thelight stabilizer and the like, the yellowing speed of PS is effectively delayed, so that the service life of a product is prolonged.

The invention discloses an array-type meter head and a temperature sensing device based on NV color center. The key components such as diamond particles containing NV color center, excitation light path, detection light path and microwave feeding in the head of the temperature sensing device are tested. An integrated design is developed, an array head is formed by the combination of fiber bundles and diamond particles, and finally an NV color center temperature measurement device with high spatial resolution and high measurement sensitivity is formed through the array head and key subsystems. The invention belongs to the fusion and intersection field of quantum temperature measurement technology and optical fiber array technology, greatly reduces the volume of the NV color center temperature sensing device, improves the integration degree of the meter head and the measurement reliability, and expands the thermal efficiency of the NV color center related technology. applications in imaging and other fields.

In a method and magnetic resonance (MR) apparatus for different degrees of excitation of two different nuclear spin types with Larmor frequencies that are shifted relative to one another during recording of MR data by execution of an MR sequence, an excitation pulse sequence with at least two consecutive excitation pulses with defined time intervals for the exclusive excitation of the first spin type, and an additional pulse sequence with at least one additional pulse that acts at least on the second spin type, are used. A total pulse sequence formed by superimposition of the two pulse sequences is emitted within an excitation period of the MR sequence.