Why Do Segment LCDs Need A Backlight

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With the widespread use of LCD screens, they can now be involved in all walks of life. The most familiar one is the back of the segment LCD screen.

The light source, the backlight source is not used, when can it be used, what kind of backlight source should be used, this is a problem for many people, so how to choose the segment code

The first thing to determine is whether the segment code LCD screen needs a backlight source. Each segment code LCD screen uses a different backlight source, or even does not need a backlight.

source, then we have to judge at this time what kind of segment code screen is needed in the product and whether it needs a backlight or not.

Some friends may not understand, for example, for a fully transparent LCD screen, a backlight is required, then a semi-transparent backlight can be used or not.

Light sources, even reflective LCD screens, do not require a backlight.

So how do we need to determine the appearance of the backlight? First of all, it is the SMD type, its advantage is that it can save space and the solder joints will be relatively

Relatively few, the disadvantage is that it needs to open the mold and has a certain MOQ, and the cost will be relatively high.

The second is the plug-in backlight. This kind of backlight is easy to operate and has no MOQ for mold opening. The space will be relatively larger and the price is cheaper.

point.