Abstract: Provided is a light emitting apparatus including a body unit, a control unit configured to control a light emitting diode (LED), a heat emitting unit configured to emit heat of the LED, and an assembly unit configured to mutually connect the control unit and the heat emitting unit to the body unit. According to the foregoing structure, the body unit, the control unit, and the heat emitting unit may be connected through a single assembly process, thereby improving assembly efficiency.

Abstract: Electron gun for a color cathode ray tube, is disclosed, the color cathode ray tube having a plurality of cathodes for emitting electron beams, a first controlling electrode for controlling an amount of the electron beam emission, and an accelerating electrode for accelerating the electron beams, the electron gun including a power supplying part for examining a received video signal, determining a mode of the video signal, selecting a power of an appropriate level from a plurality of power levels according to a result of the determination, and supplying the selected power to the first controlling electrode and a second controlling electrode disposed between the cathodes and the first controlling electrode for controlling an emission radius of the electron beam according to the power of an appropriate level supplied to the first controlling electrode, thereby satisfying a high luminance as well as a high resolution requirements, whereby allowing processing of various modes of images with one electron gun and e