Is it possible to connect a Android phone display to a TV or PC Monitor?
Yes, you can connect an android phone to a TV or a computer monitor. At least if you have a new enough TV or monitor, and not a ten year old TV like I do. :-)
My android phone came with a HDMI cable to use when connecting phone to TV. I have connected it many times to my computer however, using a mini USB cable. But I would be able to use the HDMI as well, depending on what I want to do.

I am for sure no expert, but I have a Sony Ericsson experia arc S and I have used it for over a year. I hope that this answer is good enough to offer some help.

For newer phone, you may wish to use the following:

Micro USB to HDMI® MHL Adapter


Reference link: http://www.monoprice.com/products/product.asp?c_id=108&amp;cp_id=10833&amp;cs_id=1083314&amp;p_id=8675&amp;seq=1&amp;format=2

Video link: http://www.youtube.com/watch?feature=player_embedded&amp;v=P5tJl_a_wcc

In the reference link, it include information such as Compatible Mobile Devices (which you can retrieve from this link - http://www.mhlconsortium.org/WorkArea/DownloadAsset.aspx?id=5055)