Abstract: The present disclosure relates to a polycarbonate resin composition, and more particularly, to a polycarbonate resin composition containing 90 wt % to 99 wt % of a polycarbonate resin, 0.3 wt % to 0.7 wt % of an anthraquinone-based black dye, and 0.2 wt % to 1.0 wt % of an acrylic polymeric chain extender, and a molded article containing the same.

Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.

Abstract: Provided is a display device. The display device includes a first base portion, a second base portion facing the first base portion, a light emitting layer disposed on one surface of the first base portion and emitting first light, a first wavelength conversion pattern disposed on the light emitting layer and converting the first light into second light having a different wavelength from the first light, a first color filter overlapping the first wavelength conversion pattern on one surface of the second base portion and spaced apart from the first wavelength conversion pattern, and an air layer interposed between the first wavelength conversion pattern and the first color filter.

Abstract: A hybrid air mobility system is capable of flying a long distance through effective operation of an engine and batteries. The hybrid air mobility system includes a fuselage configured to supply power to a propeller and electric equipment, the fuselage being provided with a duct including an inlet and an outlet so as to circulate air to the engine and the electric equipment; a deflector rotatably installed at the outlet of the duct so as to convert a discharge direction of exhaust gas generated by the engine and cooling air after cooling the electric equipment; and a controller configured to determine whether or not the engine is driven and to control a rotated position of the deflector depending on an amount of driving of the engine so as to selectively adjust movement of the exhaust gas and the cooling air towards the propeller.

Abstract: An air mobility craft is provided. The air mobility craft includes a fuselage that has a boarding space and a boarding gate and a plurality of wings disposed on the fuselage. A plurality of rotors are disposed on the wings. A first number of the plurality of rotors are tilting rotors configured to tilt upward or downward for lifting or cruising of the fuselage and a remaining number of the rotors are lifting rotors.

Abstract: A hybrid air mobility system is capable of flying a long distance through effective operation of an engine and batteries. The hybrid air mobility system includes a fuselage configured to supply power to a propeller and electric equipment, the fuselage being provided with a duct including an inlet and an outlet so as to circulate air to the engine and the electric equipment; a deflector rotatably installed at the outlet of the duct so as to convert a discharge direction of exhaust gas generated by the engine and cooling air after cooling the electric equipment; and a controller configured to determine whether or not the engine is driven and to control a rotated position of the deflector depending on an amount of driving of the engine so as to selectively adjust movement of the exhaust gas and the cooling air towards the propeller.

Abstract: A hybrid air mobility vehicle can make a long-distance flight through an efficient operation of an engine and a battery, and can reduce discomfort by reducing noise according to flight surroundings. The hybrid air mobility vehicle includes: an engine and a generator; a battery and a drive motor electrically connected to the generator; a first propeller connected to the drive motor and a second propeller connected to the generator through a clutch; and a controller that controls driving of the engine, the clutch, and the drive motor, based on a flight factor including at least one of a flight mode, a required power, a battery charging amount, or a surrounding flight environment of the hybrid air mobility vehicle.

Abstract: An air mobility craft is provided. The air mobility craft includes a fuselage that has a boarding space and a boarding gate and a plurality of wings disposed on the fuselage. A plurality of rotors are disposed on the wings. A first number of the plurality of rotors are tilting rotors configured to tilt upward or downward for lifting or cruising of the fuselage and a remaining number of the rotors are lifting rotors.

Abstract: A starter-generator system may include a starter-generator configured to provide an engine-cranking torque or receive a generator-cranking torque, a belt drive mechanism located between the starter-generator and an engine, and a torque transmission mechanism that selectively transmits the engine-cranking torque or the generator-cranking torque between the starter-generator and the belt drive mechanism.

Abstract: A transmission for a hybrid vehicle may include an input shaft configured to receive power from an engine, a motor configured to receive power from a battery so as to generate the power by a regeneration, an output shaft configured to receive the power from the input shaft and the motor, and an idle shaft configured to connect the output shaft and the motor so as to receive driving force from the motor or transfer regenerative force to the motor.

Abstract: A starter-generator system may include a starter-generator configured to provide an engine-cranking torque or receive a generator-cranking torque, a belt drive mechanism located between the starter-generator and an engine, and a torque transmission mechanism that selectively transmits the engine-cranking torque or the generator-cranking torque between the starter-generator and the belt drive mechanism

Abstract: An apparatus for estimating a crank angle when an engine stops includes a crank sensor generating an output signal indicating a rotational angle of a crankshaft. A resolver generates an output signal indicating a rotor absolute angular position of a motor which is connected to the engine to transmit power. A controller is configured to store output signal data of a crank sensor and output signal data of the resolver until the engine stops, and determines the crank angle based on motor reverse rotation information from the stored crank sensor output signal data and the stored resolver output signal data when the engine stops completely.

Abstract: A transmission for a hybrid vehicle may include an input shaft configured to receive power from an engine, a motor configured to receive power from a battery so as to generate the power by a regeneration, an output shaft configured to receive the power from the input shaft and the motor, and an idle shaft configured to connect the output shaft and the motor so as to receive driving force from the motor or transfer regenerative force to the motor.

Abstract: An Automated Manual Transmission (AMT) type of hybrid transmission may include a first input shaft connected to an engine through a clutch, a second input shaft disposed coaxially with the first input shaft and connected to a motor, a plurality of driving gears on the first input shaft, a first output shaft disposed in parallel with the first input shaft and having a plurality of driven gears that are engaged with the driving gears to shift, a second output shaft disposed in parallel with the first input shaft and having a plurality of driven gears that are engaged with the driving gears to shift, a first connecting mechanism connecting/disconnecting the second input shaft to/from the first input shaft, and a second connecting mechanism connecting/disconnecting the second input shaft to/from the second output shaft.

Abstract: A surface light source includes a plate type light source body having a sealed discharging space formed therein, a plate type electrode unit having a plurality of regions adjacent to at least one major surface of the light source body, and a multiple voltage applying unit operable to apply voltages independently to each of the plurality of regions. In this way, brightness of the surface light source can be controlled independently in each of the plurality of regions and a local dimming for a surface light source can be realized.

Abstract: There is provided a surface light source device comprising: a light source body including a plurality of discharge spaces therein, a first electrode and a second electrode applying a first voltage into the discharge spaces and arranged parallel to each other, and a third electrode applying a second voltage into the discharge spaces and facing the first and second electrodes and arranged in a direction of crossing the first and second electrodes. In accordance with the present invention, the discharge firing voltage and sustain voltage of the surface light source device can be lowered by applying the first and second voltage to the electrodes. Further, it is possible to divisionally drive the surface light source device by sequentially and/or selectively applying a voltage to divided parts of each electrode.

Abstract: There is provided a substrate for a surface light source device, comprising a first secondary electron emission layer including crystalline magnesium oxide (MgO) powder on a surface of the substrate. There is also provided a surface light source device comprising a first substrate and a second substrate facing each other at a predetermined distance between which a discharge space is formed; and an electrode to apply a discharge voltage to the discharge space, wherein a first secondary electron emission layer including crystalline MgO powder is formed on a surface of at least one of the first substrate and the second substrate. Preferably, the crystalline MgO powder is obtained by grinding an MgO sputtering target.

Abstract: A surface treatment layer containing alkali metal oxide is formed on at least one of substrates to form a body of a surface light source. The surface treatment layer may be formed of oxide by coating at least one of cesium, potassium, rubidium, and compound thereof on the surface of the substrate and by performing heat treatment to the substrate. The surface treatment layer containing alkali metal oxide easily emits secondary electrons and reduces firing voltage of the surface light source. Black start is improved, discharging efficiency is increased, and heat generated during the operation is decreased.

Abstract: There is provided a flat electrode for a surface light source, in which a conductive electrode is formed in a fine strip-shaped pattern on a plane. The flat electrode may comprise a base layer, an electrode pattern formed on the base layer, and a protection layer formed on the electrode pattern. There is also provided an ultra thin surface light source device which comprises: a first substrate and a second substrate which are spaced apart from each other at a predetermined interval; and a first surface electrode formed on the first substrate, and a second surface electrode formed on the second substrate. The surface light source device may further comprise a medium layer formed in at least one of spaces between the first substrate and the first surface electrode and between the second substrate and the second surface electrode.