摘要:
An active optical device is provided. The active optical device includes an optically variable layer having a refractive index which changes according to temperature; and a temperature control unit that controls a temperature of one or more regions of the optically variable layer.
摘要:
A triode field emission device using a field emission material and a driving method thereof are provided. In this device, gate electrodes serving to take electrons out of a field emission material on cathodes are installed on a substrate below the cathodes, so that the manufacture of the device is easy. Also, electrons emitted from the field emission material are controlled by controlling gate voltage.
摘要:
An integral imaging system may include a lens unit. The lens unit may include a first substrate; a second substrate; a first electrode on the first substrate; a second electrode on the second substrate; a liquid crystal layer between the first and second substrates; and an array of nanostructures protruding from the first substrate into the liquid crystal layer. The first and second electrodes may be configured to apply one or more voltages to the array of nanostructures. When the one or more voltages are applied to the array of nanostructures, one or more electric fields may be formed between the array of nanostructures and the second electrode, varying an arrangement of molecules in the liquid crystal layer and forming a refractive index distribution in the liquid crystal layer.
摘要:
An integral imaging system may include a lens unit. The lens unit may include a first substrate; a second substrate; a first electrode on the first substrate; a second electrode on the second substrate; a liquid crystal layer between the first and second substrates; and an array of nanostructures protruding from the first substrate into the liquid crystal layer. The first and second electrodes may be configured to apply one or more voltages to the array of nanostructures. When the one or more voltages are applied to the array of nanostructures, one or more electric fields may be formed between the array of nanostructures and the second electrode, varying an arrangement of molecules in the liquid crystal layer and forming a refractive index distribution in the liquid crystal layer.
摘要:
An electric device and a control method of the same, the electric device including a load terminal, a constant voltage output unit to generate an output voltage to the load terminal, a feedback circuit having a plurality of feedback circuit elements to generate a feedback signal to the constant voltage output unit to adjust the output voltage, and a controller to set a power mode of the electric device and to generate a control signal according to an enable signal and the set power mode such that the control signal corresponds to one or more of the feedback circuit elements to adjust the feedback signal, wherein the enable signal corresponds to a level of the output voltage.
摘要:
Electron beam annealing apparatuses for annealing a thin layer on a substrate and annealing methods using the apparatuses are provided. The electron beam annealing apparatuses may include an electron beam scanning unit that may scan a pulsed electron beam onto a substrate.
摘要:
A nanofiber composite including a nanofiber formed of a hydrophobic polymer, a nanowire formed of a conductive or semiconductive organic material that is oriented in the nanofiber in the longitudinal direction of the nanofiber, and an ionic active material.
摘要:
A mask used for a Lithographie, Galvanofomung, and Abformung (LIGA) process, a method for manufacturing the mask, and a method for manufacturing a microstructure using a LIGA process. The method for manufacturing the microstructure using the LIGA process contemplates forming a substrate for the microstructure, a plurality of photosensitive layers, each photosensitive layer having a plating hole and an aligning pinhole, and an aligning pin capable of being inserted into the aligning pinhole, with the aligning pinholes of the photosensitive layers being formed in corresponding positions, and repeating a process of stacking the photosensitive layer on the substrate for the microstructure and a process of forming a plating layer by plating the plating hole of the stacked photosensitive layer with a metal for a number of times corresponding to the number of the photosensitive layers, and when the photosensitive layers are stacked on the substrate for the structure, the photosensitive layers being aligned with one another by inserting the aligning pin into the aligning pinholes of all the photosensitive layers stacked on the substrate for the microstructure to penetrate all the photosensitive layers.
摘要:
A field emission type backlight device can include upper and lower substrates facing each other with a gap between them, an anode electrode on a lower side of the upper substrate, a fluorescent layer on a lower side of the anode electrode, a lower gate electrode on an upper side of the lower substrate, an insulating layer on an upper side of the lower gate electrode, a cathode electrode on an upper side of the insulating layer, and a gate electrode that is provided on an upper side of the insulating layer and electrically connected to the lower gate electrode.
摘要:
A high voltage semiconductor device including a semiconductor substrate on which a semi-insulating polycrystalline silicon layer is formed to alleviate electric field concentration in a field region, is disclosed. A thermal oxide layer is formed on the semi-insulating polycrystalline silicon layer to serve as a protective layer. The thermal oxide layer forms a good interface with the semi-insulating polycrystalline silicon layer compared to a wet etched oxide layer or a chemical vapor deposition (CVD) oxide layer, thereby decreasing the amount of leakage current. In addition, compared to a dual semi-insulating polycrystalline silicon layer, the thermal oxide layer exhibits a high surface protection effect and a high resistance against dielectric breakdown. It also allows a great reduction in fabrication time. In particular, the semi-insulating polycrystalline silicon layer is removed from the active region, thereby preventing the direct current (DC) gain of a device from being lowered within a low collector current range caused by the semi-insulating polycrystalline silicon layer.