tag:blogger.com,1999:blog-8328362.post110427713905872487..comments2023-07-23T05:44:04.587-07:00Comments on k2h: Polarizerk2hhttp://www.blogger.com/profile/16171968118329398960noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-8328362.post-1104364363124576092004-12-29T15:52:00.000-08:002004-12-29T15:52:00.000-08:00re: palegreenhorse
"generagl idea" it reads like y...re: palegreenhorse<br />"generagl idea" it reads like you choked on something! I love it.k2hhttps://www.blogger.com/profile/16171968118329398960noreply@blogger.comtag:blogger.com,1999:blog-8328362.post-1104352187412070602004-12-29T12:29:00.000-08:002004-12-29T12:29:00.000-08:00kev... polarizers do not focus light, they are pas...kev... polarizers do not focus light, they are passive devices, they just absorb what you don't want. the best a polarizer can do is transmit 50% of incomming completely unpolarized light. in reality polarizer let something like 40-48% of the light through if they are good (cheap ones less light). so it isn't a particularly good idea to use a polarizer if you don't have to.<br /><br />lcd already have polarizers (two) built in and they are crossed. the liquid crystals change the polarization of the light to make it get through or don't change it to make a black screen. so putting another polarizer on your projector project is probably not a good idea (it will just dim the light further). check out <A HREF="http://www.blogger.com/r?http%3A%2F%2Felectronics.howstuffworks.com%2Flcd3.htm">how stuff work's explanation</A>, it is bit more complicated in stn lcd's but you get the generagl idea.Anonymoushttps://www.blogger.com/profile/10341061356170336823noreply@blogger.comtag:blogger.com,1999:blog-8328362.post-1104339540756031472004-12-29T08:59:00.000-08:002004-12-29T08:59:00.000-08:00i do wonder if i can used a polarized lense to pus...i do wonder if i can used a polarized lense to push/focus/align more light through an lcd for a diy projector....forkevhttps://www.blogger.com/profile/07612851807551897769noreply@blogger.comtag:blogger.com,1999:blog-8328362.post-1104332553296105172004-12-29T07:02:00.000-08:002004-12-29T07:02:00.000-08:00Nope. I never wondered. But now I don't need to....Nope. I never wondered. But now I don't need to.Sarahhttps://www.blogger.com/profile/09161501733415307275noreply@blogger.com