Abstract:
The present invention relates to an adhesive tape dispenser which includes a gun-shaped case body having a detachable cover, a drawing portion for drawing an adhesive tape from the case body, and having a trigger handle protruded outwardly from one side of the case body and a pair of drums rotating with the trigger handle, and a cutting portion for cutting the adhesive tape which is drawn by the drawing portion from the dispenser, and having a handling member mounted on a gunbarrel portion of the case body, a lever interlocking with the handling member and a cutter mounted at a front end of the lever, so that an user may draw the adhesive tape as long as necessary by pulling the trigger handle without pulling it with hand, an adhesive strength of the adhesive tape is kept in good state, and an adhesion state of the adhesive tape is clean, since the adhesive tape is cut clean by a cutter.
Abstract:
A wiring structure and a driving method of a storage capacitor in a TFT-LCD eliminate the problem of a defective line dimly shown in first pixel row at a medium grey level, by using a typical gate line or a dummy pad. One side terminal of the storage capacitor is connected to a contact point between a drain terminal of a TFT and a liquid crystal capacitance, the other terminal of the storage capacitor is electrically connected to any gate line, from the second gate line to the final gate line.
Abstract:
According to an embodiment of the disclosure, there is provided a drone control system in which the drone user may directly adjust the torque required in the flight environment, that is, the torque required by the drone motor, with the transmitter control when controlling the transmitter stick. According to an embodiment, a drone control system comprises a flight controller receiving a stick control value from a transmitter, converting the stick control value into a motor speed value, and outputting the motor speed value and an electronic speed controller receiving the motor speed value from the flight controller, converting the motor speed value into a motor torque value, converting the motor torque value into a power driving value, and outputting the power driving value to a motor.
Abstract:
The present invention relates to a photosensitive resin composition and a photosensitive material comprising the same. The photosensitive resin composition according to an exemplary embodiment of the present invention may comprise two multi-functional monomers where structures of side chains comprising unsaturated double bonds are different from each other while a composition ratio is changed. Accordingly, in the exemplary embodiment of the present invention, processability is excellent, and it is possible to decrease defects by a rupture when a LCD substrate is sealed and substrate separation defects due to an impact to the LCD products by improving an adhesion property to a lower substrate after a hard baking process.
Abstract:
Embodiments of the invention provide a method of manufacturing an embedded printed circuit board, which includes the following operations in the order presented: a first operation of forming a first cavity and a third cavity, disposing a first device in the first cavity and disposing a third device in the third cavity; a second operation of forming a second cavity and a fourth cavity, disposing a second device in the second cavity; a third operation of providing an insulating member; a fourth operation of disposing a first base substrate and a second base substrate and pressure laminating the first base substrate, the second base substrate, and the insulating member together; and a fifth operation of forming a first copper clad laminate and forming a second copper clad laminate.
Abstract:
The present invention relates to a photoactive compound having a novel structure and a photosensitive resin composition including the same, and the photoactive compound according to the present invention has excellent sensitivity due to efficient absorption to a UV light source by including a nitro group and a phosphonate structure, and has excellent retention rate, mechanical strength, heat resistance, chemical resistance and developing resistance by improving solubility of the photosensitive resin composition by excellent compatibility of the phosphonate structure and a binder resin. Therefore, the photosensitive resin composition according to the present invention is useful to cure a column spacer, an overcoat, a passivation material and the like of a liquid crystal display device, and is useful in view of a high temperature process property.
Abstract:
Disclosed is an earphone set using both bone conduction and air conduction. The earphone set includes: a dual earphone which allows a user to selectively hear sounds from the front or rear side of the earphone set; a case cover provided at an end of the dual earphone; a cylindrical reinforcing frame assembled on one side of the case cover; a finishing ring mounted on the outer peripheral surface of the cylindrical reinforcing frame; a top cover assembled on one side of the cylindrical reinforcing frame and the finishing ring and having an extension projection at one side thereof; a rubber ear cap assembled at a front end of the extension projection to be inserted into an ear hole of a user; and a bone conduction vibrator provided inside the dual earphone.
Abstract:
Disclosed is an embedded printed circuit board, in which electronic devices having different thicknesses can be embedded together, thus achieving highly dense electronic devices, and when electronic devices having considerably different thicknesses are embedded, two electronic devices which are comparatively thinner can be embedded in a perpendicular direction, thus reducing an embedding area and suppressing warping of the printed circuit board, and an insulating member the thickness of which is variably adjusted is interposed between base substrates, so that spaces between the electronic devices are completely filled therewith, thus solving the problem of void defects, resulting in reliable printed circuit boards, and, when a base substrate includes a core made of metal, the printed circuit board can less warp. Also a method of manufacturing the embedded printed circuit board is provided.
Abstract:
A liquid crystal display includes; a liquid crystal panel, and a DC-DC converter which receives an input voltage to generate an analog drive voltage and a gate-on voltage used to operate the liquid crystal panel, wherein the DC-DC converter includes a pulse width modulation circuit which modulates a pulse width of the analog drive voltage and the gate-on voltage, a boost converter which boosts the input voltage to output the analog drive voltage, and a charge pump which boosts one of the input voltage and the analog drive voltage to output the gate-on voltage, wherein when a high voltage stress test is performed, the DC-DC converter outputs the analog drive voltage boosted to a voltage level higher than a voltage level of the analog drive voltage during a normal operation, and outputs the gate-on voltage having a voltage level substantially equal to a voltage level of the gate-on voltage during the normal operation.