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DMD chip understand the function

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mohamed.hagag

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i can't understand the function of DMD chip in projector , digital camera or any application of it
can anyone help me ?
 
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dlp_technology.jpg

can u tell me why we use DMD
but we can use a normal mirror instead of it
what is the unique function that do ?

- - - Updated - - -

dlp_technology.jpg

can u tell me why we use DMD
but we can use a normal mirror instead of it
what is the unique function that do ?
 

mohamed.hagag said:
View attachment 93596

can u tell me why we use DMD
but we can use a normal mirror instead of it
what is the unique function that do ?
Click to expand...

A DMD chip has on its surface several hundred thousand microscopic mirrors arranged in a rectangular array which correspond to the pixels in the image to be displayed. The mirrors can be individually rotated ±10-12°, to an on or off state. In the on state, light from the projector bulb is reflected into the lens making the pixel appear bright on the screen. In the off state, the light is directed elsewhere (usually onto a heatsink), making the pixel appear dark.

I dont think that standard mirror can do this.


mirror_array.png
dmd.jpg



Also see this material:

**broken link removed**



Best regards,
Peter

:wink:
 
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