by Dummy Admin

When lines are to be drawn, or images positioned, on a computer screen, a consistent method of specifying screen locations has to be used. As computer displays are made up of columns and rows …

Tags:definition| display monitor| displays glossay| explanation| what is a z-buffer| z-buffer

Twisted nematic LCs

Twisted Nematic (TN) LCs

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For nearly a hundred years after Friedrich Reinitzer observed cholesteryl benzoate changing into its liquid crystal state in 1888, nine years before the invention of the CRT, liquid crystals remained little more than a …

Tags:definition| display monitor| displays glossary| explanation| liqid crystal| TNLC| twisted nematic LC| what is twisted nematic

flat shading


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Objects in 3D scenes are most commonly created by fitting together a large number of polygons (usually triangles), edge to edge, creating a “wire-frame” which approximates the object’s surface. By drawing only those triangles …

Tags:3D shading| definition| display monitor| displays glossary| explanation| flat shading| gouraud shading| phong shading| shading



by Dummy Admin

FEDs have proved difficult to develop and many companies had dropped their development projects in favour of other technologies. One company, however, has been working on a variation of the FED which currently looks …

Tags:definition| display monitor| displays glossary| explanation| FED| SED| technology| what is SED

Ray Tracing

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Effective as they can be at producing recognisable 3D scenes, Gouraud and Phong shading will never produce anything that could be described as photo-realistic. To achieve this, it’s necessary to use rendering techniques that …

Tags:3D images| definition| display monitor| displays glossary| explanation| ray tracing| what is ray tracing


by Dummy Admin

Most silicon chips are made of single crystal silicon, which has a very low resistance to electron flow. However, silicon can exist in different forms (just as carbon can exist in the form of …

Tags:definition| display monitor| displays glossary| explanation| poly-silicon| polysilicon| silicon chips| what is polysilicon

texture filtering

Point Sampling

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MIP-maps are used to store several different copies of a texture, at different scales, for use in 3D scene rendering. One of the accompanying illustrations shows four versions of a texture applied to flat …

Tags:definition| dislays glossary| display monitor| explanation| point sampling| texture filtering| what is point sampling



by Dummy Admin

The word “moiré” comes from the French word for mohair and is defined as “having a watered or wavelike pattern” (Collins English Dictionary). Moiré patterns can occur whenever similar, regular patterns are superimposed on …

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by Dummy Admin

“MIP map” is the name given to a collection of images to be used as surface textures when building, or rendering, a 2D representation of a 3D scene. The acronym “MIP” comes from the …

Tags:definition| display monitor| glossary| meaning| mip map

liquid crystal

Liquid Crystal (LC)

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Liquid crystal displays (LCDs) are now so common that we take it for granted that people know what we are talking about when we use the phrase. But how many of us know what …

Tags:definition| display monitor| explanation| glossary| LCD| liquid crystal| meaning

Light valve amplifier

Light Valve Amplifier/ILA

by Dummy Admin

Light Valve Amplifier (LVA) is a term used to describe a specific type of light valve developed by Hughes-JVC (Image Light Amplifier (ILA)). An LVA is a device which uses the limited brightness of …

Tags:definition| display monitor| displays glossary| explanation| LCFD brightness| light valve| light valve amplifier| LVA| what is a LVA

light valve

Light Valve

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A light valve (LV) is a form of optical switch which can be used to vary the amount of light which reaches a target (e.g. a screen) by deflecting the light from its path …

Tags:definition| display monitor| displays glossary| explanation| light valve| LV| optical switch| what is a light valve