Abstract: Provided is a display device, including sub-pixels formed on a base layer, and including a color conversion layer in a first sub-pixel area and including a quantum-dot, a first scattering layer in a second sub-pixel area and including a first scatterer, and a second scattering layer in the third sub-pixel area and including a second scatterer, a first color filter in the first sub-pixel area, a second color filter in the second sub-pixel area, and a third color filter in the third sub-pixel area, wherein emitted light from a light emitting element includes light of the second color and light of the third color, and wherein colors of light passing through the first scattering layer and the second scattering layer are substantially unchanged by the first scattering layer and the second scattering layer.

Abstract: A display apparatus comprises: a display panel including pixels that emit light, wherein an amount of emitted light is controlled based on a data voltage, and an emission time of the pixels is controlled based on a duty ratio of an emission control signal applied to the pixels; a timing controller configured to control the emission control signal in an active period of one frame and in a blank period of the one frame, where the data voltage is supplied to the pixels during the active period of the one frame and the data voltage is maintained during the blank period of the one frame; and a gate driver configured to apply to the pixels the emission control signal having a first duty ratio during the active period and the emission control signal having a second duty ratio that is different from the first duty ratio during the blank period.

Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited.

Abstract: The present invention relates to a tile structure of a shape-adaptive phased array antenna, and more specifically to a tile structure of a shape-adaptive phased array antenna configured to improve drag and low-observable properties of an airplane, and minimize a structural interference between adjacent tiles of the phased array antenna.

Abstract: The present invention relates to a tile structure of a shape-adaptive phased array antenna, and more specifically to a tile structure of a shape-adaptive phased array antenna configured to improve drag and low-observable properties of an airplane, and minimize a structural interference between adjacent tiles of the phased array antenna.

Abstract: A bias circuit may include an envelope detecting unit detecting an envelope of an input signal, a source voltage generating unit generating a source voltage using a power supply voltage, and an envelope amplifying unit receiving the power supply voltage and the source voltage as a driving voltage and amplifying an envelope signal detected by the envelope detecting unit to generate a first bias voltage.

Abstract: A bias circuit may include an envelope detecting unit detecting an envelope of an input signal, a source voltage generating unit generating a source voltage using a power supply voltage, and an envelope amplifying unit receiving the power supply voltage and the source voltage as a driving voltage and amplifying an envelope signal detected by the envelope detecting unit to generate a first bias voltage.

Abstract: A workpiece ejecting device for a machine tool, in which the ejecting bar cannot be rotatably driven at the time of high velocity rotation of the spindle to thereby prevent occurrence of vibration, noise and frictional heat, and so that the workpiece can be ejected smoothly. The workpiece ejecting device comprises: a front bearing unit installed at an inner peripheral surface of a front end portion of the drawing tube; an ejecting cylinder located behind the chucking cylinder and installed directly on an axial line identical with that of the front bearing unit, and an ejecting rod, wherein the ejecting rod is provided at a center axis thereof with at least one fluid passing opening through which fluid for removing alien materials is supplied, and a front end of the ejecting rod is installed to be supported by the front bearing unit.