Wɔ touchscreen nhyehyɛe mu no, projected capacitive touchscreen sensor no te ɔyɛkyerɛ no atifi. Displays yɛ firently dede, a ebetumi ama display dede ne touchscreen sensor no abɔ tẽẽ.Eyi so tew touch sensitivity na ɛma atoro touch activation. Nneɛma a wɔpaw yiye a wɔpaw no betumi abrɛ dede a wɔde kyerɛ no ase na anya nkɛntɛnso kɛse wɔ adwumayɛ ne ɛka so.
Sɛnea ɛbɛyɛ a wobetumi asiw display dede ano no, adwuma no fi tete de ITO "shield" layer foforo bi di dwuma wɔ display ne touchscreen sensor no ntam. Ɛwom sɛ ɛyɛ adwuma de, nanso shield layer no de ɛka ka ho na ɛma touchscreen module no mu duru yɛ kɛse. Ade foforo a wobetumi ayɛ ne sɛ wɔde mframa mu nsonsonoe ketewaa bi bedi dwuma, a mpɛn pii no ɛwɔ 0.2 mm ne 0.5 mm ntam, de atew ɔyɛkyerɛ no afi touchscreen sensor no ho.
Mframa mu nsonsonoeɛ yɛ ka kɛseɛ-effective sene shield layer, nanso ɛsan nso ma touchscreen module thickness no kɔ soro, a ɛreyɛ ayɛ nea ɛnyɛ papa ma OEMs a wɔrehwehwɛ sɛ wɔbɛkyekyere sleeker ne thinner devices. Nsusuwii a ɛho hia kɛse a wɔpaw ne sɛ wɔbɛpaw ɔyɛkyerɛ no ankasa.
Mprempren nneɛma a agye din sen biara a wɔde di dwuma ma telefon a wokura kyin ne tablɛt no da so ara yɛ teateaa-Film Transistor (TFT) LCDs, a wɔtaa nya wɔ nneɛma abien a ɛyɛ dɛ mu: DC common voltage (DCVCOM) ne AC common voltage (ACVCOM). Nsonsonoeɛ no ne ɔkwan a wɔfa so ma common electrode layer (VCOM) no kɔ so. Nneɛma foforo a ɛrenya nkɔanim a agye din wɔ soro-end devices ne active-matrix organic LED (AMOLED) a ɛwɔ n’afã horow a ɛtrɛw, hann ne nsonsonoe a ɛkɔ anim, ahoɔden a wɔde di dwuma a ɛba fam, ne ne kɛse a ɛso atew.
AMOLEDS ma dede kakraa bi pɛ na ɛma nneɛma a wɔde kyerɛ no ba na ɛka nneɛma a wɔde kyerɛ a ɛhɔ yɛ komm sen biara no ho, nanso ne bo yɛ den. DCVcom nso yɛ mpɛn pii no kommyɛ a wɔde kyerɛ na ne bo yɛ den. Nea ɛne eyi bɔ abira no, ACVCOM korɔn-dede nanso ne bo yɛ mmerɛw. Nneɛma a wɔde kyerɛ a wɔpaw no gyina afiri no adwene a ɛwɔ hɔ ma adetɔfo a wɔwɔ awiei no so kɛse. Target application no bɛbu hardware ne adwumayɛ a ɛfata ama n’atɔfoɔ.
