2D/3D data projector
A projector and data technology, applied in the field of 2D/3D data projectors, can solve the problems of scarcity, inability to display color 3D images, expensive equipment, etc., and achieve the effects of long service life, uniform brightness, and light weight
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[0042] Efficiency of projectors degrades due to losses including: spectral loss (if a broadband light source is used), loss due to poor internal efficiency of the light source, loss due to poor external efficiency of the light source (e.g. using LEDs) , light combining loss (collimation loss), integration loss (if combining several beams), color separation loss (loss in the dichroic mirror used to split light into red, green and blue components), polarization loss (if using LC microdisplays), reflection or transmission losses in the microdisplay itself, e.g. due to poor fill factor (gaps between pixels), color combining losses (e.g. when using X-cubes or dichroic mirror), and the loss of the projection lens (reflection loss on the lens surface).
[0043] It is very important to minimize light loss in every respect. It is also desirable to maximize the internal and external quantum efficiency of the light source. Light should be directed only to the active area of the micro...
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