98results about How to "Avoid ripple" patented technology

A touch panel-including illuminator having: a light pipe made of a transparent plate-like material having an upper surface, a lower surface and at least one incidence side surface, the upper surface being provided with light output means through which light incident on the incidence side surface is made to emerge from the lower surface; a light source disposed on the incidence side surface of the light pipe; an adhesive layer; and a touch panel bonded to the upper surface of the light pipe through the adhesive layer; wherein the light output means are constituted by fine grooves which are disposed discontinuously, each of which is made of a concave portion, and each of which is shaped like an approximate triangle in section; and wherein each of the fine grooves has an optical path changing slope and a steep slope.

In a gate driving circuit and a display apparatus having the same, a ripple preventing part is connected to a pull-up part and a control terminal (Q-node) to reset the Q-node. The ripple preventing part includes a first ripple preventing device that resets the Q-node during a high period of the first clock within a (n−1)H period, and a second ripple preventing device that resets the Q-node during a high period of a second clock within the (n−1)H period. A back-flow preventing device is connected between a previous carry node and the second ripple preventing device to prevent an electric charge of the Q-node from flowing back to the previous carry node.

The invention relates to a primary side feedback (FB) switching power supply controller and a switching power supply system. The switching power supply system comprises a transformer, a voltage-dividing circuit, a main switch tube, an output circuit and the primary side FB switching power supply controller, wherein the voltage-dividing circuit is connected to the transformer; the power supply endof the primary side FB switching power supply controller is connected with the primary side first input end of the transformer; the FB control end of the primary side FB switching power supply controller is connected to the voltage-dividing point of the voltage-dividing circuit; the input end of the primary side FB switching power supply controller is connected with the grid of the main switch tube; the control end of the primary side FB switching power supply controller is connected to the source of the main switch tube; and the primary side FB switching power supply controller comprises an FB waveform detection module, a triangular wave generating circuit, a first comparer, a narrow pulse generating circuit, a second comparer and an RS (Reset-Set) trigger. Due to the implementation of the primary side FB switching power supply controller and the switching power supply system, provided by the invention, the system stability can be effectively improved, the complexity of a peripheral system can be lowered, the quantity of peripheral elements can be reduced, and the cost of a product can be reduced.

The nitride semiconductor laser device has a counter electrode structure where contact resistance is reduced and manufacturing methods thereof are provided. The nitride semiconductor laser device comprises a nitride semiconductor substrate having a first main surface and a second main surface. A nitride semiconductor layer is stacked on the first main surface of the nitride semiconductor substrate. A ridge-shaped stripe is formed in the nitride semiconductor layer, and a resonance surface forms an optical waveguide in the direction perpendicular to the length of the ridge-shaped stripe. A first region having a crystal growth facet in the (0001) plane and a second region on the first main surface or the second main surface are provided. Further, a recess is formed in the second region of the first main surface and/or the second main surface. A ridge-shape stripe is formed over the first main surface of the nitride semiconductor substrate.

An embodiment of the invention provides a superconducting magnet and magnetically-controlled Czochralski single crystal equipment. The superconducting magnet comprises a superconducting switch, superconducting coils, a coil framework and a cryostat. The superconducting coil is fixedly arranged on the coil framework; and the plurality of superconducting coils are connected in series. The superconducting switch is connected in parallel with the superconducting coils, and is fixedly arranged on the coil framework. The coil framework is arranged in the cryostat; and the cryostat is provided with arefrigerating machine. By setting the superconducting switch to be on and off, close conduction of current between the superconducting coils and the superconducting switch is realized so as to withdraw an excitation power source. The superconducting magnet and the magnetically-controlled Czochralski single crystal equipment solve the problems that the superconducting magnet in the existing magnetically-controlled Czochralski single crystal equipment is large in electric power cost and use cost, poor in quality of the produced single crystal and low in operation safety.

A sheet processing apparatus that forms unevenness on a sheet bundle including a plurality of sheets to bind the sheet bundle includes: a scoring portion that scores the sheet along an edge of the sheet bundle apart from the edge of the sheet bundle at a predetermined interval; and a binding portion that forms an unevenness between the edge of the sheet bundle and the score formed on the sheet bundle by the scoring portion while the sheet bundle is nipped between a pair of tooth-like members, each of which has a concavo-convex portion that meshes with each other.

The invention discloses an array substrate and a preparation method thereof, a display panel and a display device so as to solve a problem that in a preparation process of the array substrate, because the hole depths and sizes of via holes which connect public electrodes and a public electrode line are comparatively large, waves are generated in a coating film layer in a follow-up preparation process so that the yield of the array substrate is affected. The array substrate includes an underlayer substrate, and a grid electrode metal layer, a grid electrode insulating layer, an active layer, a source and drain electrode metal layer, a passivation layer and a public electrode layer, which are formed sequentially on the underlayer substrate, and a pixel electrode layer located between the active layer and the source and drain electrode metal layer, or between the source and drain electrode metal layer and the passivation layer. The grid electrode metal layer includes a grid electrode and a public electrode line. The pixel electrode layer or the source and drain electrode metal layer includes a connection electrode. The connection electrode is electrically connected with the public electrode line through a first via hole in the grid electrode insulating layer. The connection electrode is electrically connected with the public electrodes of the public electrode layer through a second via hole in the passivation layer.

The invention discloses a process and device for coating a film on glass. Glass film coating processing process flow steps include an earlier stage glass treatment procedure, a glass sheet loading procedure, a glass cleaning procedure, a spraying section procedure, a film-coated glass drying section procedure, a film-coated glass cooling procedure and a glass sheet unloading procedure. The entire glass film coating processing device designed by the invention consists of a sheet loading section (A), a cleaning section (B), spraying section (C), a drying section (D), a cooling section (E) and a sheet unloading section (F), wherein the bottom end of a glass support frame (27) is provided with a plurality of drying wheels (10) which are driven to bear and move glass sheets by using a controlled servo motor (23); and a spraying device in the spraying section (C) mainly comprises the glass support frame (27), a front storage box (7), an upper sealing cover at the spraying position of a coating recovering groove (15), and the like. Due to the adoption of the process and the device, the glass film coating quality is ensured, and the problem that the treatment requirement of surface coating on glass with a low-viscosity coating is difficult to meet is solved.

A gate driving circuit includes cascaded stages, each including a pull-up part, a carry part, a pull-up driving part, a holding part and an inverter. The pull-up part pulls up a gate voltage to an input clock. The carry part pulls up a carry voltage to the input clock. The pull-up driving part is connected to a control terminal (Q-node) common to the carry part and the pull-up part, and receives a previous carry voltage from a previous stage to turn on the pull-up part and the carry part. The holding part holds the gate voltage at an off-voltage, and the inverter controls at least one of turning on the holding part and turning off the holding part based on an inverter clock. A high level of the inverter clock in a given horizontal period (1H) temporally precedes a high level of the input clock by a predetermined time interval.

An improved dual battery power system uses two separate battery power sources for an implantable cardioverter defibrillator, each having optimized characteristics for monitoring functions and for output energy delivery functions, respectively. The monitoring functions are supplied electrical power by a first battery source, such as a conventional pacemaker power source in the form of a lithium iodide battery which is optimized for long life at very low current levels. The output energy delivery functions are supplied by a separate second battery source, such as a pair of lithium vanadium pentoxide batteries, which is optimized for high current drain capability and low self-discharge for long shelf life. The first battery source provides electrical power only to the monitoring functions of the implantable cardioverter defibrillator, and the second battery source provides all of the electrical power for the output energy delivery functions.

An organic light-emitting display device can include an organic light-emitting element; a driving transistor connected in series with the organic light-emitting element, the driving transistor and the organic light-emitting element being between a first driving power supply line for supplying a first driving voltage and a second driving power supply line for supplying a second driving voltage lower than first driving voltage; a first transistor configured to turn on based on an i-th scan signal and supply a data voltage to a first node, where i is a natural number greater than or equal to 2 and less than or equal to N, and N is a number of scan-lines; a capacitor between the first node and a gate electrode of the driving transistor, the capacitor is configured to supply a turn-on signal of the driving transistor to the gate electrode of the driving transistor based on the data voltage; and a second transistor configured to turn on based on a (i−1)-th scan signal and supply a first reference voltage to a second node, in which the second node is disposed between the driving transistor and the capacitor, and the capacitor is between the first and second nodes.

A transflective type liquid crystal display panel used as a displaying liquid crystal panel in a 2D/3D switching type liquid crystal panel, wherein a color filter having a colored layer and a transparent layer is provided on an opposing substrate. The transparent layer is formed to face only the reflective region of an active matrix substrate (region where a reflective electrode is formed), and serves as a diffuser processed layer. Accordingly, a liquid crystal display panel having a 2D/3D switching function and a transflective function can prevent moire in 2D display and at the same time provide good 3D display.

A method of manufacturing a substrate 6 provided with a plurality of concave portions 61 is disclosed. The substrate 6 is used for manufacturing a microlens substrate provided with a plurality of microlenses as convex lenses which are to be formed using the plurality of concave portions 61. The method includes the steps of: preparing a base substrate 7, the base substrate 7 having two major surfaces; forming at least one layer on the one of the two major surfaces of the base substrate 7; forming a plurality of openings 81 in the at least one layer to form a mask 8, the diameter of each of the plurality of openings 81 being in the range of 0.8 to 20 μm; forming the plurality of concave portions 61 in the base substrate 7 by subjecting the base substrate 7 with the mask 8 on which the plurality of openings 81 have been formed to an etching process so that each of the formed concave portions 61 has a substantially elliptic shape; and removing the mask 8 from the base substrate 7 (6). In this case, the plurality of formed concave portions 61 are arranged on the base substrate 7 in a houndstooth check manner. Further, in the case where the depth of each of the formed concave portions 61 in a direction perpendicular to the major surface of the base substrate 7 is defined as D (μm) and the value obtained by dividing the difference between the length of each of the formed concave portions 61 in a long axis direction and the diameter of each of the formed openings 81 by two is defined as S (μm), then D and S satisfy the relation: 0.90≦S/D≦1.40. Moreover, a ratio of an area occupied by all the plurality of formed concave portions 61 in a usable area where the plurality of concave portions 61 are formed with respect to the entire usable area is 90% or more when viewed from above the one major surface of the base substrate 7.

A plurality of vertically standing plates are assembled in a lattice form to a divided member 101 as a floating type wave-suppressing members. The divided member 101 is allowed to float in an interface 24 between working fluid and refrigeration oil of an oil reservoir 21. The interface 24 is prevented from rippling by turning flow, oil drops torn from the interface 24 by the turning flow is reduced, and oil drops of the refrigeration oil are prevented from being supplied from the interface 24 to the working fluid.

A stabilized and guided conveyor belt (202) includes multiple transport chains (108) and interchangeable conveyor plates (100) that form the surface of the conveyor belt (202). The conveyor plates (100) can be easily attached independently of one another in a side by side fashion onto the transport chains (108) and are readily detachable from the transport chains (108) to facilitate replacement or rearrangement. Certain of the plates (100) function selectively as a platform on which to mount accessories such as lug members (136) and include means for receiving (134) accessories and for locking (138) accessories into place. The conveyor belt (202) is guided and supported by a smooth rail (420). Both the plate (100) and the rail (420) include interacting stabilizing features (130, 132, 424a, 424b) that cooperate to prevent buckling and rippling of the transport chain (108).

The photogravure printing is completed with photogravure comprising AM screen and FM screen. The text and reproduced image needing dense ink are formed with the meshes of corresponding AM screen, while the picture and fine lines with dark and light ink for representing are formed with the meshes of corresponding FM screen.

The invention relates to a digital analog double-loop low-dropout linear voltage stabilizer. The voltage stabilizer comprises an operational amplifier comparison unit, a control unit and a modulationgroup unit, wherein the operational amplifier comparison unit is used for comparing an output voltage of the voltage stabilizer with a target voltage of the voltage stabilizer, and outputting a firstcomparison result and an operational amplifier amplification error value; the control unit is connected with the output ends of the operational amplifier comparison unit and the voltage stabilizer, and is used for obtaining a jump detection result according to the first comparison result and obtaining a second comparison result according to the output voltage of the voltage stabilizer; and the modulation group unit is connected with the operational amplifier comparison unit and the control unit, and modulating the output voltage of the voltage stabilizer according to the first comparison result, the operational amplifier amplification error value, the jump detection result and the second comparison result. The modulation group unit is adopted to modulate the output voltage of the voltage stabilizer, and voltage stabilization can be rapidly completed when the voltage change is relatively great, so that the transient response speed of the voltage stabilizer is increased, and the problemsof overshoot and undershoot of the output voltage of the voltage stabilizer are effectively reduced.

Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, the control circuit generates a supplementary signal varying with a state parameter of the power stage in a first mode and keeps the supplementary signal substantially unchanged in a second mode with respect to the value thereof at the moment of switching from the first mode to the second mode so that the supplementary signal at the moment of mode switching is maintained substantially constant, therefore, a steady state can be achieved quickly, and ripples in the output voltage are restrained.

A solid-state image pickup apparatus includes a photoelectric converter, a wiring portion, a micro lens, and an adjustment film. The photoelectric converter is formed on a light incident side in a substrate. The wiring portion is formed on a side of the substrate that is opposite to the light incident side. The micro lens is formed on a light incident side of the photoelectric converter. The adjustment film adjusts variation of a light reception sensitivity in the photoelectric converter with respect to a wavelength of light that enters the photoelectric converter through the micro lens, and the adjustment film is formed between the photoelectric converter and the micro lens.