32results about How to "Longer useful lifetime of device" patented technology

An improved arrangement for stripping stray light energy that is propagating in the cladding layer of an optical fiber is provided. A cladding light stripper is provided that incorporates removal of at least a portion of the coating material and / or splicing the fiber to a fiber of differing diameter and / or having a bend of constant or decreasing or varying radius to efficiently remove cladding light while distributing heat dissipation in a controlled design across the device with respect to a specific direction of input (cladding) light.

A packaging method of an organic light emitting diode (OLED) is described. First, a substrate is provided, and the substrate has the OLED device formed thereon. Thereafter, at least one protection layer is formed on the substrate, so as to cover the peripheral sidewall of the OLED device entirely. The step of forming the protection layer includes forming an organic layer on the substrate, and then forming a metal layer on the organic layer, wherein the metal layer at least covers a sidewall of the OLED device. Afterwards, an oxidation treatment is performed, so as to oxidize a portion of the metal layer.

In a preferred embodiment, a light emitting device comprising: a polar template; a p-type layer grown on the polar template; the p-type layer having a first polarization vector; the first polarization vector having a first projection relative to a growth direction; an n-type layer grown on the p-type layer; the n-type layer having a second polarization vector; the second polarization vector having a second projection relative to said growth direction that is larger than the first projection of the first polarization vector for the p-type layer; the n-type layer and p-type layer forming an interface; whereby the first polarization vector in the p-layer and second polarization vector in the n-layer create a discontinuity at the interface resulting in a negative charge appearing at the interface. In another preferred embodiment, a light emitting device comprising: a polar template; a n-type layer grown on the template; the n-type layer having a first polarization vector; the first polarization vector having a first projection relative to a growth direction; an p-type layer grown on the n-type layer; the p-type layer having a second polarization vector; the second polarization vector having a second projection relative to said growth direction that is larger than the first projection of the first polarization vector for the p-type layer; the n-type layer and p-type layer forming an interface; whereby the first polarization vector in the p-layer and second polarization vector in the n-layer create a discontinuity at the interface resulting in a negative charge appearing at the interface.

A metal complex with fluorine substitution is disclosed, which employs a series of new ligands containing fluorine-substituted structure can be used as a luminescent material in an emissive layer of an electroluminescent device. By using the metal complex can provide much longer device lifetime, better thermal stability, no blue-shifted illumination, and higher luminous efficiency. An electroluminescent device and compound formulation are also disclosed.

A control device is provided configured to provide user control signals. The control device comprises a magnetic flux sensing unit configured to provide two-dimensional angular orientation information with respect to a magnetic field acting on the magnetic flux sensing unit, and the user control signals are dependent on the two-dimensional angular orientation information. The control device further comprises a magnet arrangement comprising at least two permanent magnets configured to generate the magnetic field. The magnet arrangement and the magnetic flux sensing unit are arranged to be reoriented relative to one another within a predetermined range of movement, and the at least two permanent magnets are arranged relative to the magnetic flux sensing unit such that the magnetic field experienced by the magnetic flux sensing unit is substantially uniform throughout the predetermined range of movement.

Provided are a conducting polymer composition and an electronic device including a layer formed using the conducting polymer composition. The conducting polymer composition contains: at least one compound selected from the group consisting of a siloxane compound of formula (1) below, a siloxane compound of formula (2) below, and a silane compound of formula (3) below; and a conducting polymer: where R1, R2, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, D, p, m, q, and r are the same as described in the detailed description of the invention. The electronic device including a layer formed using the conducting polymer composition has excellent electroluminescent characteristics and long lifetime.

A resistor structure incorporated into a resistive switching memory cell or device to form memory devices with improved device performance and lifetime is provided. The resistor structure may be a two-terminal structure designed to reduce the maximum current flowing through a memory device. A method is also provided for making such memory device. The method includes depositing a resistor structure and depositing a variable resistance layer of a resistive switching memory cell of the memory device, where the resistor structure is disposed in series with the variable resistance layer to limit the switching current of the memory device. The incorporation of the resistor structure is very useful in obtaining desirable levels of device switching currents that meet the switching specification of various types of memory devices. The memory devices may be formed as part of a high-capacity nonvolatile memory integrated circuit, which can be used in various electronic devices.

A microchip with capillaries and method for making same is described. A sacrificial material fills microchannels formed in a polymeric substrate, the filled microchannels are covered by a top cover to form filed capillaries, and the sacrificial material is removed to form the microcapillaries. The sacrificial material fills the microchannels as a liquid whereupon it becomes solid in the microchannels, and is liquefied after the top cover is applied and affixed to remove the sacrificial material. The top cover may be solvent sealed on the substrate and of the same or different material as the substrate. The top cover may also be an in situ applied semipermeable membrane.

Novel blue organic compound is provided. Using the blue organic compound, an organic electroluminescent device is provided, which achieved a blue emission with high efficiency, saturated color and long device lifetime. The novel blue organic compound is represented by the following general formula (1).wherein R1, R2, R3, and R4 represent a substituted or unsubstituted aryl group from 6 to 20 carbon atoms, in which R1, R2, R3, and R4 may be identical with or different from each other, or R1-R2 and R3-R4 may be bridged to 5 to 7-membered carbocyclic ring. R5 to R16 represent hydrogen or a substituted or unsubstituted alkyl or aryl group from 1 to 10 carbon atoms. Besides, R1-R5, R2-R6, R3-R15, R4-R16, R5-R7, R6-R8, R9-R11, R10-R12, R13-R15 and R14-R16 may be bridged to a carbocyclic ring from 3 to 10 carbon atoms.

The present invention relates to an organic electroluminescence device comprising a substrate, an anode, a hole injection layer, a hole transport layer, a light-emitting layer, an electron transport layer, an electron injection layer, and a cathode, wherein the electron injection layer contains alkali metal nitride and has a thickness of 0.2-10 nm. The organic electroluminescence device of the present invention has improved electron injection from the cathode to the organic layer, high device luminance and efficiency, long device lifetime, low material poisonousness, wide choice of film-forming thickness and low film-forming temperature.

A packaging method of an organic light emitting diode (OLED) is described. First, a substrate is provided, and the substrate has the OLED device formed thereon. Thereafter, at least one protection layer is formed on the substrate, so as to cover the peripheral sidewall of the OLED device entirely. The step of forming the protection layer includes forming an organic layer on the substrate, and then forming a metal layer on the organic layer, wherein the metal layer at least covers a sidewall of the OLED device. Afterwards, an oxidation treatment is performed, so as to oxidize a portion of the metal layer.

The present invention is directed to a heating resistor comprising a conducting oxide having an electric conductivity and a nonconducting oxide having insulation or nonconductivity, liquid ejecting heads and apparatus comprising the heating resistors.

A substrate processing method includes a first step of exposing a silicon substrate surface to mixed gas plasma of an inert gas and hydrogen, and a second step of conducting any of oxidation processing, nitridation processing and oxynitridation processing to said silicon substrate surface by plasma processing after said first step, wherein an organic substance remaining on said substrate surface is removed in said first step.

The present invention relates to an encapsulation for an electronic thin film device, comprising a first barrier layer (108), a second barrier layer (112), and a first planarization layer (110′) for reducing the formation of pinholes in a subsequent barrier layer, said first planarization layer (110′) arranged between the first barrier layer (108) and the second barrier layer (112), wherein the first planarization layer (110′) is composed of a first plurality of planarization segment (114) having areas formed between each other, and the encapsulation further comprises a second planarization layer (116) arranged between the second barrier layer (112) and a third barrier layer (120), wherein the second planarization layer (116) is composed of a second plurality of planarization segments (118) arranged to extend over the areas between the first plurality of planarization segments (114), thereby further reducing the number of pinholes providing passageways through the encapsulation. According to the invention, by arranging the barrier layers and the planarization layers in a horizontal multi-layer encapsulation stack, where planarization segments in each of the layers are essentially decoupled from each other and in practice non-interconnecting with each other, it is possible to limit the lateral transportation of water and oxygen through the planarization layer. Instead, if water / oxygen enters the top barrier layer, and eventually a planarization segment, it is contained in the “sphere” of a planarization segment, having a minimized possibility of entering a pinhole in a subsequent barrier layer. The present invention also relates to corresponding method for the formation of an encapsulation for an electronic thin film device.

A novel organic compound having high stability is provided. The organic compound is represented by Formula (1) described in claim 1: In Formula (1), R1 and R2 each independently selected from a hydrogen atom, Substituent group A, and Substituent group B shown in claim 1, wherein at least one of R1 and R2 is selected from Substituent group A or Substituent group B; and R11 and R12 of a substituent belonging to Substituent group A are each independently selected from Substituent group B.

[Object] It is an object of the present invention to provide an organic compound having excellent properties such as excellent hole injection / transport performance, electron blocking performance, high stability in a thin-film state, and high light emission efficiency as a material for a highly efficient organic EL device having a high durability, and a highly efficient organic EL device having a high durability by using this compound.[Solving Means] An organic EL device, including, between an anode and a cathode, at least a first hole transport layer, a second hole transport layer, a green light-emitting layer, and an electron transport layer in the stated order from a side of the anode, the organic EL device being characterized in that, the second hole transport layer, or at least one of stacked films disposed between the first hole transport layer and the electron transport layer contains an arylamine compound represented by the following general formula (1).(In the formula, Ar1, Ar2, Ar3, and Ar4 may be the same as or different from each other, and each represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group. L1 represents a divalent group of a substituted or unsubstituted aromatic hydrocarbon, a divalent group of a substituted or unsubstituted aromatic heterocyclic, or a divalent group of a substituted or unsubstituted fused polycyclic aromatic. R1, R2, and R3 each represent a hydrogen atom, a deuterium atom, a fluorine atom, a chlorine atom, a cyano group, a nitro group, a linear or branched alkyl group having 1 to 6 carbon atoms which may have a substituted group, a cycloalkyl group having 5 to 10 carbon atoms which may have a substituted group, a linear or branched alkenyl group having 2 to 6 carbon atoms which may have a substituted group, a linear or branched alkyloxy group having 1 to 6 carbon atoms which may have a substituted group, a cycloalkyloxy group having 5 to 10 carbon atoms which may have a substituted group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted fused polycyclic aromatic group, or a substituted or unsubstituted aryloxy group. n represents an integer of 1 to 3.)

Novel structures and compositions for multilayer light-emitting electrochemical cell devices are described, particularly those that are adapted to work with stable and printable electrode metals, that optimize recombination efficiency, lifetime and turn-on kinetics. In particular, embodiments of the present invention provide improved performance and extended lifetime for doped electronic devices, where ionic doping levels, ionic support materials content, and electronic transport content are advantageously structured within the device. The doping profile of mobile or semi-mobile ionic dopants is intentionally made to be non-uniform to enhance doping in the interface regions of a device where the active layer interfaces with the electrode.

A combined sealing device composed of a magnetic fluid seal and a C-type slip ring seal for a reciprocating shaft, characterized in that an internal circlip (2) with an O-shaped rubber seal ring, N pieces of seal assemblies, a C-type slip ring (7) provided on the external circlip, and an external circlip (8) with an O-shaped rubber seal are placed at the end of the sealed chamber (1) with an O-shaped rubber seal in order, and by connecting the external thread of the swivel nut (9) with the thread of the sealed chamber (1) with the O-shaped rubber seal, the swivel nut (9) is adapted to press above listed parts tightly, 1≦N≦20; every seal assembly is composed of a C-type slip ring (3), a pole piece (4) with an O-shaped rubber seal, a permanent magnet (5), and a pole piece (6), then the above-mentioned components are bonded together; before the combined sealing device composed of the magnetic fluid seal and the C-type slip ring for the reciprocating shaft is installed on the shaft, the magnetic fluid is injected into the inner circumferential surface of the permanent magnet of N pieces of seal assemblies. This device can overcome the problem of leakage of the reciprocating compressors.

A resistor structure incorporated into a resistive switching memory cell or device to form memory devices with improved device performance and lifetime is provided. The resistor structure may be a two-terminal structure designed to reduce the maximum current flowing through a memory device. A method is also provided for making such memory device. The method includes depositing a resistor structure and depositing a variable resistance layer of a resistive switching memory cell of the memory device, where the resistor structure is disposed in series with the variable resistance layer to limit the switching current of the memory device. The incorporation of the resistor structure is very useful in obtaining desirable levels of device switching currents that meet the switching specification of various types of memory devices. The memory devices may be formed as part of a high-capacity nonvolatile memory integrated circuit, which can be used in various electronic devices.