This has become a common display type for mid-range to high-end phones. OLED/AMOLED. OLED & AMOLED utilizes 'organic' LEDs which emits light and in the majority of cases does away with the need for the back-light of an LCD display resulting in a potentially thinner panel.
1 The model number is located on a small label located on the frame around the computer screen. (e.g., VGN-FW550F)  The computer information and compliance label, located on the bottom of the laptop case, indicates the actual model number.
If your PC was built by a commercial company (HP, Compaq, Dell, Acer etc) you should find your make, model and serial number in one of the following locations: 1  The rear panel of your PC typically displayed on a sticker near the Windows product key information. 1. 2  The Product Name, which can also be found on the front of your computer, is not accurate information for either the Series or the Model, it is usually a brand name for an entire set of series and models. 3  2.