Segment code LCD, or paragraph LCD screen, is a kind of LCD products, but in the LCD industry, it is generally called pattern LCD screen, pen-type LCD screen, monochrome LCD screen and so on. To distinguish it from dot matrix LCDs, segment code LCD is not a strict statement or classification.
In the current instrumentation, medical equipment, communication equipment and various office equipment, the use of segment LCD screens has become more and more widespread. It has been integrated into people's daily lives. So, when people need to buy a broken-line LCD device for life and work, how should people buy it? Which major elements should be noticed when purchasing?
1, simple and quick display
2, the reaction speed
3, high contrast
4, low cost
1, instruments, meters: gas meter, water meter, bus system, fuel dispenser count
2. Display office equipment: fax machine, punching machine, attendance machine, access control system
3, communications equipment: a variety of IC card phone, Internet phone, IP phone
4. Banking System: POS Machine
5, tax system: tax control machine
6, medical equipment: physiological monitors and various types of health care equipment
7, industrial equipment: automatic control
8, a variety of man-machine interface, handheld devices, etc.
1, see the paragraph size screen brightness value
In general, if you want to make realistic figures, numbers more clean, bright, and do not appear fuzzy, then you must carefully look at the size of the brightness value of the relevant parameters of the broken code LCD screen, generally the larger the value The actual picture effect is also obvious. In general, a bright LCD screen will have a brightness of 200 candelas per square or more, but there are also higher order broken code LCD screens that can reach 250 candelas per square meter or more.
2, see paragraph code LCD contrast effect
The display of the contrast effect mainly makes the entire screen look more vibrant, full and three-dimensional. According to a person engaged in the sale of broken code LCD screens, some LCD screens appear to be saturated in color, full of three-dimensional sense because of their high contrast, if the contrast is not high enough, the overall color of the screen looks very general of.
3, see the size of the segment visible range
In the purchase of LCD screen segment, the size of the viewing angle range can not be ignored, because only the larger visual range can be easier, comprehensive and easy to see the figures, drawings, and it looks very comfortable, if you can With a small range of vision, not only the drawings and figures are not clearly seen, but also very inconvenient and very inconvenient. The size of the visible range will be described in the specification.
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