Phone Codes Nokia 1280

Display Type: LCD (Liquid Crystal Display). Liquid Crystal Displays. The very first displays used in mobile devices, and not only in phones. Their main feature is that they have very low power consumption, due to the inability to display a color image. They do not emit light and therefore phones are upgraded with backlight. Some phones had several different backlight colors based on the presence of different LEDs around the perimeter of the display. This extraordinary solution was used, for example, in the Ericsson A3618 phone. On this type of display, pixels are clearly visible, and such displays cannot boast of high resolution. In order to extend the life of such displays, they were made inverse, i.e. text and symbols were not displayed with filled pixels, but, on the contrary, inactive against the background of filled ones. Thus, light text on a dark background was obtained. Currently, this type of display is used in the cheapest budget models (Nokia 1112) and as an external one in some “clamshells” (Samsung D830).

TFT (Thin Film Transistor). Liquid crystal displays based on thin-film transistors with an active matrix. For each pixel there are three transistors corresponding to three colors (RGB. red, green, blue). At the moment, these are the most common displays, having a number of advantages over other displays. They are characterized by minimal response time and rapid development. an ever-increasing resolution and number of colors. These displays are most common in mid-range phones and above. Working permissions for them: 128×160, 132×176, 176×208, 176×220, 240×320 and others, less common. Examples: Nokia N73 (240×320, 262k colors), Sony Ericsson K750i (176×220, 262k colors), Samsung D900 (240×320, 262k colors). TFTs are very rarely used as external displays for clamshells.

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CSTN (Color Super Twisted Nematic). Passive-matrix color liquid crystal displays. Each pixel of such a display consists of three combined pixels, which correspond to three colors (RGB). Some time ago, almost all phones with color displays were based, namely, on this type. And now the fate of such displays is budget models. The main disadvantage of such displays is their slowness. The undoubted advantage of such displays is their cost price, it is much lower than TFT. Based on simple logic, it can be assumed that in the future TFT will displace this type of display from the market for mobile devices. The evolution of color of such displays is quite extensive: from 16 to 65536 colors. Examples: Motorola V177 (128×160, 65k colors), Sony Ericsson J100i (96×64, 65k colors), Nokia 2310 (96×68, 65k colors).

Phone Codes Nokia 1280

UFB (Ultra Fine and Bright). Liquid crystal displays with increased brightness and contrast on a passive matrix. We can say that this is an intermediate option between CSTN and TFT. This type of display boasts lower power consumption than TFT. For the most part, Samsung has used these displays in mid-range phones. This type of display is not widespread. Examples: Samsung C100 / 110 (128×128, 65k colors).

TN is one of the types of matrix of TFT screens. If roughly, then TN are the simplest and cheapest TFT matrices. Viewing angles are the narrowest.

Phone Codes Nokia 1280

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