Because of the short lifespan and high cost of the LCD projector bulb, maybe we can consider using an LCD TV in our small classrooms instead. Even a 32" inch wide screen LCD TV would have a big enough screen that can be clearly viewed by students seated at the back rows of the room. The article below shows some Pros and Cons, and a comparison between the two. If you have any questions or comments, you may post them below this blogpost.