00:00The common backlighting technologies for membrane switches include LED backlighting,
00:06EL lamp backlighting, fiber backlighting and LGF backlighting. For fiber backlighting,
00:12its backlighting effect is soft and even. But its cost is too high, the pure LED backlighting is
00:20hard to get the even backlighting effect. So it usually used as the indicators,
00:25EL lamp only can achieve single-color backlighting and its life is short. And it also need matcha
00:31driver, which is not convenient and the cost is also not cheap. So the LGF backlighting technology
00:38becomes the mainstream now. We has rich experiences to design and manufacturing
00:43all kinds of backlighting membrane switches, especially the LGF backlighting membrane switch.
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