The wavelength of the emitted photon depends on the bandgap energy of the semiconductor material in the active region.The Working Principle of LED The typical structure of LED is a p-n junction diode, mainly consisting of one layer uniformly p-doped in one side and one n-doped on the ...
The working principle of the Light-emitting diode is based on the quantum theory. The quantum theory says that when the electron comes down from the higher energy level to the lower energy level then, the energy emits from the photon. The photon energy is equal to the energy gap between th...
OLED stands fororganic light-emitting diode. Organic components made with polymer conductors are linked to the chemical industry, which are used to manufacture flexible screens and “elastic”electronic circuits; as such, with modern technology, it is possible to deposit thin layers of semiconductors ...
Working principle of the photoelectric detection circuit The simplified diagram of the designed photoelectric detection circuit is presented in Fig. S1. Under light illumination, the photodiode will produce a weak photocurrent Ipd, which can be converted into voltage by the transimpedance amplifying circ...
Light emitting diode (LED) is the light source of the light-emitting body. It is a device that converts electrical energy into light based on the PN junction characteristics of semiconductor diode. Its basic working principle is an electro-optic conversion process. ...
The present invention discloses a light emitting diode package structure and a backlight module, the light emitting diode package structure is incorporated in a liquid crystal display of a backlight module, to be used as the backlight of the backlight module, the light emitting diode package ...
Fig. 2: Pulse width dependent transient electroluminescence (TrEL) characterisations of the near-infrared (NIR) perovskite light-emitting diode (PeLED) at 10 Hz and 1 kHz. a Schematic diagram of N-periodic pulse trains of 10 Hz frequency, wherein black arrows show voltage pulse widths...
These properties are affected by the size of the diode, the exact semiconductor materials used to make it, the thickness of the diode layers, and the type and amount of impurities used to "dope" the semiconductor. The Manufacturing Process ...
FIELD: physics.;SUBSTANCE: invention relates to multilayer organic light-emitting diodes (OLED) and can be used in designing alternative sources of light and new-generation displays and making a light-emitting diode which operates for a long period of time. The invention discloses an OLED consisti...
An example of applications that require programmable assembly is the microscale light-emitting diode (Micro-LED) display7,22,24,29,34,35, which has received intense research interest from the display industry, because of its high brightness, low power consumption, and fast switching speed. For ...