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61results about How to "Extend device life" patented technology

Organic luminescent material and application thereof

The invention relates to an organic luminescent material shown in formula (I), wherein Ar1-Ar10 are respectively chosen from one of H, C6-C30 aromatic hydrocarbon group, C6-C30 polycyclic aromatic hydrocarbon group or substituted polycyclic aromatic hydrocarbon group, fused heterocyclic group or substituted fused heterocyclic group, five-membered heterocycle, six-membered heterocycle, triarylated amine group, aromatic ether group or C1-C20 aliphatic alkyl group, and Ar1, Ar2, Ar6 and Ar7 are not the hydrogen at the same time; Ar3 and Ar8 are not the hydrogen at the same time. The new material provided by the invention is well applied by being used as a hole-transport material in a red light apparatus. By using the material, the lightening voltage of the apparatus is reduced, the luminous efficiency of the apparatus is increased and the service life of the apparatus is prolonged.
Owner:GUAN ETERNAL MATERIAL TECH

Flip-chip light emitting diodes and method of manufacturing thereof

Provided are a flip-chip nitride-based light emitting device having an n-type clad layer, an active layer and a p-type clad layer sequentially stacked thereon, comprising a reflective layer formed on the p-type clad layer and at least one transparent conductive thin film layer made up of transparent conductive materials capable of inhibiting diffusion of materials constituting the reflective layer, interposed between the p-type clad layer and reflective layer; and a process for preparing the same. In accordance with the flip-chip nitride-based light emitting device of the present invention and a process for preparing the same, there are provided advantages such as improved ohmic contact properties with the p-type clad layer, leading to increased wire bonding efficiency and yield upon packaging the light emitting device, capability to improve luminous efficiency and life span of the device due to low specific contact resistance and excellent current-voltage properties.
Owner:SAMSUNG ELECTRONICS CO LTD

Damping type crushing, screening and iron removing device for battery materials

The invention provides a damping type crushing, screening and iron removing device for battery materials. The device comprises a damping type crushing and screening device and an iron removing and discharging device, wherein the damping type crushing and screening device comprises a motor, a crushing box, two damping devices and a screening board; the two damping devices are welded on two sides of the upper side of a protective sleeve; the crushing box is welded above two fixing boxes; the motor is fixedly arranged on the left side of the upper side of the crushing box; the screening board is fixedly arranged on a first spring and a second spring; the iron removing and discharging device comprises a magnetic eraser, a plurality of electromagnetic coils and a uniform water distribution tank; the plurality of electromagnetic coils are fixedly arranged on two sides of an iron removing box; the magnetic eraser is fixedly arranged above the left side of the iron removing box; the water distribution tank is welded on the upper side in the iron removing box. The device integrates crushing and iron removing functions and is high in practicability, the crushing effect and the service life of the device are guaranteed by means of the damping devices, meanwhile, the device is convenient to clean, and the labor intensity of workers is reduced.
Owner:陈萍

Electrode and organic light emitting diode device employing same

The invention relates to the field of organic light emitting. An electrode comprises a first conductive layer and a second conductive layer which are arranged in a lamination way, wherein the work function of the first conductive layer is smaller than 4.7eV, the second conductive layer is an alloy layer, and the work function of at least one type of metal in the alloy layer is smaller than 3eV. The composite film layer electrode having gradient work function has excellent stability, and the lifetime of the device can be effectively prolonged; the work function of the at least one type of metalin the alloy layer is smaller than 3eV, and the organic / metal interface barrier can be effectively reduced; and meanwhile, the composite electrode structure having gradient work function can be usedfor gradually reducing electron injection barrier, electron injection is guided in order, and the light-emitting efficiency of the device is improved.
Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT +1

System and Method for Purifying Water

InactiveUS20120055778A1Long device lifeEfficiently purifyAuxillariesDome shaped condensationOxyhydrogenWater tanks
A system and method of water purification includes a dirty water tank (1), and a power source (2), to create clean water (8). A fuel cell (3) is utilized to convert clean water to oxygen and hydrogen which is mixed (4) to create Oxyhydrogen. The Oxyhydrogen is burned in torches (6) producing heat and pure water. The pure water is collected, and the heat is used in a steam still (7) to boil water to steam, the steam is condensed and collected as clean water (8). This clean water is provided for consumption as well as supplied to the fuel cell (3) for further production.
Owner:SCHEHR KRISTOPHER

Method for manufacturing micromechanical shutter

The invention relates to a method for manufacturing a micromechanical shutter, which comprises the following steps of: 1) selecting a stainless steel substrate, preparing a layer of positive photoresist on the upper and lower surfaces of the substrate respectively, and pre-curing the photoresist; 2) exposing a rectangular hole array serving as a mask, wherein the pre-cured photoresist on the lower surface is not exposed; 3) developing the substrate, finishing full curing of the photoresist, then performing corrosion, removing the photoresist and cleaning the substrate; 4) spraying the positive photoresist on the upper and lower surfaces of the substrate, and pre-curing the photoresist; 5) on the photoresist on the lower surface of the substrate, exposing a twist beam type shutter corroding pattern array serving as a mask, wherein the upper surface of the substrate is not exposed; 6) developing the substrate, finishing full curing of the photoresist, then performing corrosion, removing the photoresist and cleaning the substrate; 7) manufacturing a shutter substrate; and 8) assembling and fixing the shutter blade structure and the substrate, and finishing upper and lower electrode leads. According to the method, the stainless steel is used as a structural material, so the micromechanical shutter has longer service life and higher reliability.
Owner:NO 510 INST THE FIFTH RES INST OFCHINA AEROSPAE SCI & TECH

Preparation of CdSeZnS/ZnS/ZnS core/shell/core quantum dot

The invention provides preparation of a CdSeZnS / ZnS / ZnS core / shell / core quantum dot. The preparation comprises following steps: reacting a cadmium source and a zinc source with oleic acid and 1-octadecene to prepare a cation precursor; reacting a selenium source and a sulfur source with trioetyl phosphine to prepare an anion precursor; rapidly injecting the anion precursor into the cation precursor at a certain temperature to carry out reactions to obtain a quantum dot core; using an injection pump, controlling the shell growth temperature, the shell precursor injection amount, and injection speed, growing a first layer prepared from zinc oleate and octyl mercaptan, and growing a second layer prepared from oleylamine zinc and oleylamine sulfur to obtain the CdSeZnS / ZnS / ZnS green light core / shell / core quantum dot. The prepared quantum dot has the advantages of uniform size and morphology, low half-width, high fluorescence efficiency, and low cadmium content, is widely applied to the fields of illumination and display, is especially suitable for a full solution inverted device structure, and is capable of largely improving the device efficiency and prolonging the service life.
Owner:SHANGHAI JIAO TONG UNIV

Electron transport material containing azaspirobifluorene

The invention discloses an electron transport material containing azaspirobifluorene. The compound is a compound with an azaspirobifluorene structure, and can be used as an electron transport materialin an electroluminescent device. These novel compounds can provide a longer device lifetime. The invention further discloses an electroluminescent device and a compound formula.
Owner:BEIJING SUMMER SPROUT TECH CO LTD
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