FED

FED

A field emission display (FED) is a type of flat-panel display technology that utilizes large-area field electron sources to generate electrons that hit colored phosphor, resulting in the production of a color image. FEDs are commonly used in television, computers, laboratories, and medical applications. The image in an FED is created by directing electrons from a cathode onto a phosphor-coated screen, similar to a VFD or CRT.From: Carbon Nanotubes and Their Applications [2019], Finite element analysis of ultrasonic vibration-assisted microstructure hot glass embossing process [2019], Porous Silicon: From Formation to Applications: Optoelectronics, Microelectronics, and Energy Technology Applications, Volume Three [2019]

Optoelectronics – solid state optical devices

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Published in David Jiles, Introduction to the Electronic Properties of Materials, 2017

David Jiles

Field emission displays (FEDs) operate using cathode luminescence which is the same principle that is used in the cathode ray tubes. However, in FEDs each pixel has its own pointed electrode which emits the electrons, which then accelerate across to the anode that is equipped with a phosphor so that light is emitted once the electrons strike it. Essentially, therefore, the FED is an assembly of very small cathode ray tubes, as shown in Fig. 12.12.

Finite element analysis of ultrasonic vibration-assisted microstructure hot glass embossing process

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Published in Australian Journal of Mechanical Engineering, 2019

LanPhuong Nguyen, Ming-Hui Wu, Chinghua Hung

Nowadays, Field Emission Displays (FED) have been widely used in television, computers as well as in laboratories and medical applications. Figure 1 shows the three parts of the FED screen (http://escience.anu.edu.au/lecture/cg/Display/FED.en.html). Microtips, so-called electron guns, are on the cathode, which emit electrons. In order to manufacture these microstructures, lithography etching technology and micro-machining technology have been applied. However, these methods are usually complex and high cost. Recently, hot embossing technique has been proposed to fabricate microstructures on glass substrate. Compared to the above methods, hot embossing is more simple, productivity and the quality of final products is better. Especially, micro-formability of glass material could be improved with the assistance of ultrasonic vibration.

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Optoelectronics – solid state optical devices

Finite element analysis of ultrasonic vibration-assisted microstructure hot glass embossing process