Abstract: An electronic control valve for an HVAC system of a vehicle may include, in the electronic control valve configured to control the angle of a swash plate (angle with respect to the surface perpendicular to a rotation shaft of a compressor) in the compressor in an HVAC system, a solenoid, a plunger coupled to the solenoid member and configured to slid according to whether the solenoid is magnetized, a valve body formed integrally with the plunger, and configured to open or close a supply flow path through which a fluid flows into the compressor, a discharge flow path through which a fluid is discharged from the compressor, and a control flow path through a fluid flows to control the angle of the swash plate mounted inside the compressor, a diaphragm configured to operate the plunger by the pressure of refrigerant, and a return spring configured to return the plunger, and the solenoid is applied with power according to a vehicle target cooling load.

Abstract: An air conditioner cut control system may include a driving condition detection unit detecting operation conditions of a vehicle, an air conditioner controller configured of determining an intake manifold negative pressure stored in a brake booster at a value obtained by subtracting intake manifold pressure from an atmospheric pressure detected by the driving condition detection unit when the air conditioner is operated and an engine control unit (ECU) for integrating the intake manifold negative pressure according to a brake negative pressure prediction logic and determining a virtual brake booster sensor value by modeling change of booster negative pressure according to driving information, and the ECU, and if the virtual brake booster sensor value is below a reference negative pressure of an A/C CUT standard logic, the ECU determines that brake negative pressure is insufficient and activates A/C CUT.

Abstract: A method of controlling vacuum pressure for vehicle braking may include checking whether a vehicle is idle or enters a deceleration state, comparing an engine vacuum pressure and a booster vacuum pressure of the vehicle with a preset reference value, checking whether a valve control system of the vehicle is operable when the engine vacuum pressure and the booster vacuum pressure are lower less than the preset reference value, controlling the valve control system when the valve control system is operable; and controlling an air conditioner (A/C) or an alternator of the vehicle when the valve control system is inoperable.

Abstract: A system for controlling a compressor may include an engine controller that controls a fuel injection amount corresponding to an engine load and an opening amount of a throttle by reflecting a required torque required for an air conditioner (A/C), an operation information detector for detecting operation information according to driving state of the vehicle, a compressor that generates pressure during operation of the A/C, an air conditioner relay which is turned on when the air conditioner operates and is turned off when the A/C is stopped, and a controller which determines an engine negative pressure of an intake manifold, and when the cooling water temperature is lower than the predetermined temperature and the intake manifold pressure is lower than the first threshold value, a cold-start intake manifold negative pressure insufficient event is generated to reduce the A/C duty in accordance with the entry into a negative pressure recovery mode.

Abstract: A system for controlling a compressor may include an engine controller controlling a fuel injection amount corresponding to an engine load and an opening amount of a throttle by reflecting a required torque required for an air conditioner, an operation information detector for detecting operation information according to driving state of the vehicle, a compressor generating pressure through a piston operation of a cylinder utilizing the power of the engine during operation of the air conditioner, and a controller determining an engine negative pressure of an intake manifold stored in the brake booster at a value, and when the negative pressure of intake manifold is below a first threshold value when the brake is operated, the engine enters a negative pressure recovery mode for predicting an insignificant negative pressure drop condition that falls below a second threshold value which is the A/C cut control condition and reduces the A/C duty.

Abstract: An apparatus for controlling a compressor includes: an operation information detector which detects operation information from various sensors according to an operation of a vehicle; a compressor which compresses a refrigerant for operating an air conditioner; and a controller which performs starting acceleration control of momentarily decreasing an operation rate of the compressor, which uses engine power in an acceleration situation of the vehicle, in which the controller stores a first map, in which a starting acceleration entry condition according to a driving pattern and a heat load of the vehicle is defined in a plurality of levels, sets a starting acceleration entry condition having a final level corresponding to the driving pattern according to a starting acceleration entry frequency of a driver for a predetermined unit time within a limited level range of the first map, and adjusts a starting acceleration control frequency of the compressor.

Abstract: A method for natural ventilation of a vehicle interior includes steps of: determining, by a controller, formation of an interior negative pressure in an interior space while driving of a vehicle is maintained as an internal air mode, determining, by the controller, an over-production of a harmful gas in an exhaust gas using an air-to-fuel ratio or an Accelerator Position Scope (APS), in an air conditioning system; regarding satisfaction of the formation of the interior negative pressure and satisfaction of the over-production of the harmful gas as an entry condition and mixing an exterior air into the interior space so as to mitigate the interior negative pressure in the internal air mode; and after mixing the exterior air, regarding the non-satisfaction of the over-production of the harmful gas as a cancellation condition and blocking the exterior air.

Abstract: A method and an apparatus for controlling a compressor are provided. The method includes measuring a vehicle speed, an engine speed, a position value of an accelerator pedal, and an external air temperature and comparing the vehicle speed with a predetermined speed. A basic operation rate of the compressor is then determined based on the engine speed and the position value of the accelerator pedal when the vehicle speed is equal to or less than the predetermined speed. A final operation rate of the compressor is determined based on the external air temperature and the determined basic operation rate and the compressor is operated based on the determined final operation rate.

Abstract: A compressor control apparatus may include a data detector detecting status data including at least one of vehicle speed, engine speed, accelerator pedal location value, and slope way measurement value; and controller that determines whether engine speed and accelerator pedal location value of the status data satisfy oscillation acceleration entering condition, if the vehicle speed exists in predetermined range and that sets basic operation rate of compressor according to the engine speed and the accelerator pedal location value, if engine speed and accelerator pedal location value of the status data satisfy oscillation acceleration entering condition and that generates final operation rate of the compressor using the basic operation rate, slope way constant according to the slope way measurement value, and air temperature compensation constant according to air temperature and that controls operation of the compressor based on the final operation rate.

Abstract: A compressor control apparatus may include a data detector detecting status data including at least one of vehicle speed, engine speed, accelerator pedal location value, and slope way measurement value; and controller that determines whether engine speed and accelerator pedal location value of the status data satisfy oscillation acceleration entering condition, if the vehicle speed exists in predetermined range and that sets basic operation rate of compressor according to the engine speed and the accelerator pedal location value, if engine speed and accelerator pedal location value of the status data satisfy oscillation acceleration entering condition and that generates final operation rate of the compressor using the basic operation rate, slope way constant according to the slope way measurement value, and air temperature compensation constant according to air temperature and that controls operation of the compressor based on the final operation rate.

Abstract: A method and an apparatus for controlling a compressor are provided. The method includes measuring a vehicle speed, an engine speed, a position value of an accelerator pedal, and an external air temperature and comparing the vehicle speed with a predetermined speed. A basic operation rate of the compressor is then determined based on the engine speed and the position value of the accelerator pedal when the vehicle speed is equal to or less than the predetermined speed. A final operation rate of the compressor is determined based on the external air temperature and the determined basic operation rate and the compressor is operated based on the determined final operation rate.

Abstract: Disclosed is a crystallization apparatus capable of locally crystallizing amorphous silicon. The crystallization apparatus includes a heat emission part, a support part and a roller. The heat emission part emits heat upon receiving a heat emission source. The support part supports the heat emission part and provides the heat emission source to the heat emission part. The roller receives the heat emission part and has at least one opening to provide heat to a target (e.g., amorphous silicon). Local crystallization is performed without causing damage to a substrate.

Abstract: A method of crystallizing amorphous silicon comprises forming an amorphous silicon layer on a substrate; forming an insulating layer on the amorphous silicon layer; forming a heat distributing metal layer on the insulating layer; and forming a thermite layer on the heat distributing metal layer. Ignition heat is then applied to ignite the thermite layer and generate sufficient localized exothermic heat from the ignited thermite layer so as to crystallize the amorphous silicon layer. The substrate beneath the amorphous silicon layer can be a heat sensitive substrate which is not substantially deformed by the localized crystallizing heat applied to the top portion of the amorphous silicon layer by way of the heat distributing metal layer and the insulating layer.

Abstract: Provided is a flexible electrophoretic display. The flexible electrophoretic display includes a grayscale representation unit for representing grayscales in unit areas using reflection and transmission; upper and lower electrodes for applying a voltage to the grayscale representation unit; and a plurality of colored particles formed on the upper electrode for representing color. The upper electrode is formed of a transparent conductive material. External incident light is reflected by the colored particles formed on the upper electrode for color implementation by the flexible electrophoretic display. Thus, a compact, flexible electrophoretic display capable of displaying a high-definition image with multi-color and multi-gradation can be implemented by using multi-colored particle layers formed of metallic nano-particles.

Abstract: Disclosed is a crystallization apparatus capable of locally crystallizing amorphous silicon. The crystallization apparatus includes a heat emission part, a support part and a roller. The heat emission part emits heat upon receiving a heat emission source. The support part supports the heat emission part and provides the heat emission source to the heat emission part. The roller receives the heat emission part and has at least one opening to provide heat to a target (e.g., amorphous silicon). Local crystallization is performed without causing damage to a substrate.

Abstract: A method of crystallizing amorphous silicon comprises forming an amorphous silicon layer on a substrate; forming an insulating layer on the amorphous silicon layer; forming a heat distributing metal layer on the insulating layer; and forming a thermite layer on the heat distributing metal layer. Ignition heat is then applied to ignite the thermite layer and generate sufficient localized exothermic heat from the ignited thermite layer so as to crystallize the amorphous silicon layer. The substrate beneath the amorphous silicon layer can be a heat sensitive substrate which is not substantially deformed by the localized crystallizing heat applied to the top portion of the amorphous silicon layer by way of the heat distributing metal layer and the insulating layer.

Abstract: Provided is a flexible electrophoretic display. The flexible electrophoretic display includes a grayscale representation unit for representing grayscales in unit areas using reflection and transmission; upper and lower electrodes for applying a voltage to the grayscale representation unit; and a plurality of colored particles formed on the upper electrode for representing color. The upper electrode is formed of a transparent conductive material. External incident light is reflected by the colored particles formed on the upper electrode for color implementation by the flexible electrophoretic display. Thus, a compact, flexible electrophoretic display capable of displaying a high-definition image with multi-color and multi-gradation can be implemented by using multi-colored particle layers formed of metallic nano-particles.