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.
There are several color models, but 4 of them are more important then others. They are: HSB, RGB, CYMK and LAB. Let's see:HSB HSB stands for Hue, Saturation and Brightness. According to this model, any color is represented by 3 numbers.GB. RGB stands for Red Green and Blue. This model represents how your computer sees colors. In fact you have to know that each pixel in your screen can be 'switched on' like a little 'light-bulb' by means of a 'light-ray' produced by an electronic gun inside your monitor.