December 15, 2008
Wide temperature yɛ nɔma abien wɔ datasheet ne huammɔdi akwan anan wɔ afuw no mu: nsu ahwehwɛ phase nsakrae, backlight decay, polariser yellowing ne cracked solder joints. Nea edi nkogu wɔ awiei biara, nea enti a vibration kum connectors kan, nea IATF 16949 bisa ankasa fi display factory, ne sɛnea wɔkyerɛw ɔhyew spec a ɛtrɛw a wontumi nnya shaded.
Kasasin kar a wɔde kyerɛ no ka gua ahorow abiɛsa a ɛsono emu biara koraa ho asɛm. Factory fit ma kar yɛfo hwehwɛ IATF 16949, PPAP ne ahotoso a wobu akontaa wɔ kar nkwa nna mu. Aftermarket hwehwɛ sɛnea ɛte ne mounting dimensions, a adansedi bar a ɛba fam koraa. Adansi ne kuayɛ mfiri hwehwɛ sɛ ɛwosow, mfutuma ne ɔhyew a ɛko tia, bere a EMC akwanhwɛ ahorow no yɛ soronko bio wɔ kar a wɔde fa nnipa ho.
Fa abiɛsa no frafra na mfomso a wɔtaa yɛ no da adi: aftermarket bo a wɔde di dwuma wɔ factory-fit ahotoso mu. Enti anammɔn a edi kan no nyɛ sɛ wubebisa sɛ ebia obi a ɔde nneɛma ma no betumi ayɛ kar TFT display, na mmom sɛ wubesi gyinae sɛ woyɛ baasa no mu nea woyɛ ne sɛ ebia kar yɛfo no nkrataa nkɔnsɔnkɔnsɔn no fa ho anaa. Sɛ wɔsiesie ɛno wie a, ɛboɔ, bere a wɔde kɔ ne nhwɛsoɔ dodoɔ nyinaa sesa.
Concretely: factory-fit sample kyerɛ PPAP package a edi mũ a wɔasi wɔ kar yɛfo no template so ne adapɛn asia kosi du; nhwɛsode a wɔde di gua akyi kyerɛ adwumayɛkuw abiɛsa ne adapɛn biako kosi abien. Adetɔnfo koro no ara, panel koro no ara, nsonsonoe mmɔho anum wɔ nhyehyɛe ho ka mu. Sɛ wɔbɔ ɔfã no din bere a wobisabisa nsɛm a, ɛmma nkrataa pii nkɔ akyiri akyiri yi.
Awɔw nyɛ brɛoo kɛkɛ. Viscosity kɔ soro, bere a wɔde yɛ ho biribi no trɛw fi milisekɔn 25 kosi bɛboro 200, na mfonini no srade. Nea ɛyɛ nwini sen saa no, nsu ahwehwɛ no hyɛn smectic phase mu na egyae sɛ ɛyɛ ho biribi koraa, na ɛma screen tuntum anaa fitaa. Eyi yɛ nneɛma, ɛnyɛ tuning.
Wɔ nsu ahwehwɛ no akyi no, awɔw tow hyɛ mmeae afoforo abiɛsa so. Adhesive a ɛwɔ FPC no dan brittle na ɛpaapae wɔ bend no so. Polariser adhesive no twetwe na ɛkɔ soro wɔ anoano. Driver IC no hia voltage a ɛkorɔn na ama watumi afi ase, enti cold start no ne baabi a huammɔdi ahorow no boaboa ano. A nokware trɛw ɔhyew LCD -30C +80C amanne nkyerɛkyerɛmu enti ka pii sen range. Ɛkyerɛ sikani dodow a bere a wɔde anyinam ahoɔden ahyɛ mu wɔ minus 30 akyi, wɔ nnɔnhwerew abien a wɔde ahyɛ nsu mu akyi no, ɛsɛ sɛ mfonini a ɛteɛ pue. Range a enni bere a wɔde bɛsan ayɛ no nka hwee.
Ɔhyew yɛ anifere kɛse efisɛ biribiara nni huammɔ ntɛm ara. LED junction hyew digrii du biara ma akyi kanea nkwa nna yɛ fã. Polariser a wɔatow wɔ digrii 80 mu no yɛ kɔkɔɔ wɔ asram pii mu, na ɛdan fitaa ma ɛbɛyɛ krim, na mpɛn pii no anwiinwii no ba afe fã akyi. Liquid crystal threshold voltage drifts bere a ɔhyew, nsonsonoe so tew, na ɔhyew compensation bɛyɛ nea ɛho hia.
Beae a emu yɛ den sen biara wɔ kar mu nyɛ dashboard no na mmom mfinimfini console a ɛwɔ mframa ahwehwɛ ase, baabi a ɔhyew a ɛwɔ owia a wɔde asi hɔ no twam digrii 90, bere a beae koro no ara so tew kodu 20 wɔ simma du mu bere a mframa a wɔde yɛ adwuma no ayɛ adwuma pɛn no. Saa thermal cycling no sɛe adhesives ne solder joints sen ɔhyew a ɛkɔ so daa no. Enti ɛsɛ sɛ ɔhyew sɔhwɛ a ɛtrɛw no de ɔhyew mu ahodwiriw kyinhyia ahorow a wɔaka ho akontaa ka ho, na ɛnyɛ ɔhyew a ɛyɛ nwini a ɛyɛ pintinn kɛkɛ.
Kar wosow sɔhwɛ taa popra hertz 10 kosi 500 wɔ g kakraa bi mu, na ɛte sɛ nea ɛba fam. Nanso ɛkame ayɛ sɛ huammɔdi mma da wɔ ahwehwɛ anaa nsu ahwehwɛ no mu. Wɔba wɔ interfaces no so: bond a ɛda FPC ne glass ntam, connector a ɛda FPC ne main board ntam, solder joints a ɛwɔ backlight no mu.
Bond a adi nkogu da adi sɛ nhama kakraa bi a ɛda hɔ gyina hɔ anaasɛ beae a awu, ade a wɔtaa de siesie nneɛma wɔ kar ahorow a wɔde kyerɛ nneɛma so. Fix no nyɛ ahwehwɛ a ɛyɛ den na mmom stiffeners, bonding nhyehyɛe a wɔayɛ mu nsakrae, ne FPC routing a wɔayɛ no sɛnea ɛbɛyɛ a ɛbɛtwetwe nhyɛso. Adansi mfiri de amplitude a ɛkorɔn, frequency a ɛba fam ne abo a ɛbɔ ka ho, na ɛma dan ne kataso a wɔpaw no ho hia sen panel no ankasa.
Wosow fibea bi a wobu ani gu so wɔ hɔ: fan ne akasam. Wɔtra ɔyɛkyerɛ no akyi nanso wɔtra dan koro no ara mu, na wɔma ɔdan no ani gye wɔ frequency a wɔahyɛ ato hɔ a ebia ɛbɛkɔ fam wɔ FPC resonance so. Saa huammɔdi no mpue wɔ benkyi so da na ɛda adi wɔ kilomita mpempem kakraa bi akyi nkutoo. Sɔ afiri a wɔaboaboa ano no hwɛ, na ɛnyɛ panel no nkutoo.
IATF 16949 nyɛ adansedi krataa, ɛyɛ ade a wɔde mena. Sɛ wɔde di dwuma wɔ ɔyɛkyerɛ bi mu a, ade titiriw no ne PPAP nhyehyɛe no: nhyehyɛe ho kyerɛwtohɔ a ɛkata mfonini ne nsɛm a wɔakyerɛkyerɛ mu, nhyehyɛe a ɛkɔ so ho mfonini, PFMEA, nhyehyɛe a wɔde di dwuma, susudua nhyehyɛe nhwehwɛmu, ne nhyehyɛe a edi kan a wotumi yɛ ho adesua.
Nsusuwii nhyehyɛe mu nhwehwɛmu ne tumi ne baabi a adwumayɛbea ahorow a wɔde nneɛma kyerɛ no hintiw. Sɛnea wɔsusuw hann, chromaticity ne nsonsonoe, adwinnade bɛn so, nea wotumi san yɛ bio — pii ntumi mmua. Tumi ho adesua pɛ akontaabu a ɛfa asinasin 300 a ɛtoatoa so ho, na nhyehyɛe ketewaa bi ntumi nyɛ asinasin 300. Afei nkɔmmɔbɔ no bɛyɛ sɛ ebia abakɔsɛm mu data a efi platform product bi mu no yɛ nea wogye tom anaasɛ batch sampling dɔɔso, na adetɔfo no yɛ soronko wɔ saa asɛm no ho. Siesie ansa na woafa asɛm aka, anyɛ saa a wobewie nhwɛsode ahorow no ansa na wɔayɛ nkrataa no.
Capacitive touch wɔ kar mu yɛ den sen telefon mu esiane nneɛma abiɛsa nti. Nea edi kan no, EMC: switched supplies, motors ne ignition systems radiate denneennen a ɛbɛma bias sampling. Nea ɛto so abien no, nsateaa, a atifi fam awɔw bere yɛ nea wɔyɛ daa, ne nsateaa mode taa sesa nkate. Nea ɛto so abiɛsa, nsu: osu a ɛtɔ wɔ mframa ahwehwɛ no so, anonne a ahwie agu ne pressure washers nyinaa yɛ sini bi wɔ anim no so a ɛkanyan atoro nsa a wɔde ka ho.
Enti TFT LCM a capacitive touch custom design no ntumi nnyina sɛ ebia wɔpɛ touch. Ɛsɛ sɛ ɛbɔ touch controller no din, cover thickness ne water-rejection algorithm no. Sɛ wɔde katasoɔ no fi milimita 1.1 kɔsi milimita 2.0 a, ɛma nkateɛ so fã na ɛhyɛ retuning, na ɛsɛ sɛ wɔsɔ nsuo algorithm no hwɛ sɛ ɛyɛ nsuo sen sɛ wɔbɛkenkan datasheet a ɛkyerɛ sɛ nsuo boa no.
Kɔkɔbɔ biako: glove mode taa tɔ sensitivity ne gain, na gain bɔ dede immunity ho ka. Wɔ datasheet so no ɛnonom yɛ parameters abien a ɛde ne ho; wɔ dwumadie mu no wɔyɛ adwuma baako. Bisa sɛnkyerɛnne ne dede ratio wɔ glove mode mu sen sɛ wobɛka sɛ glove support.
A supplier’s wide temperature promise is usually one line: operating from minus 30 to plus 80. Saa range no kura ntease ahorow abiɛsa — ɛtra ase wɔ nneɛma a wɔkora so a ɛnsɛee, ɛda adi a enni adwumayɛ a wɔahyɛ ho bɔ, na edi biribiara a wɔakyerɛ ho dwuma. Nsonsonoe no sõ na saa ara na nsonsonoe a ɛwɔ nneɛma bo mu no nso te.
Kyekyɛ kasamu no mu abiɛsa. Ka storage range, range a ɛsɛ sɛ display no yɛ adwuma, ne parameters a wɔahyɛ ho bɔ wɔ saa range no mu: nsonsonoe a ɛba fam koraa, mmuae bere a ɛsen biara, hann a ɛporɔw kɛse. Fa ahwehwɛde a ɛne sɛ wofi ase wɔ awɔw mu ka ho. Sɛ wɔakyerɛw saa a, obi a ɔde nneɛma ma no ntumi nnyina so de nneɛma mma, na nhwehwɛmu wɔ gyinapɛn ahorow a wotumi susuw. Sɛ wɔrepaw obi a ɔde TFT LCD module ma no din tiawa a, wɔn a wɔwɔ ɔpɛ sɛ wɔbɛfa saa nkyerɛwde abiɛsa yi aka wɔ ɔkwan soronko so no taa ayɛ kar ho nhyehyɛe ankasa. Wɔasi saa adwuma no mu dodow no ara wɔ China, na obi a wotumi de ho to so a ɔde nneɛma ma wɔ hɔ no de PPAP adanse no bɛma ansa na woasusuw sɛ wubebisa.
Ka wo project scenario ne ahwehwɛdeɛ kyerɛ yɛn, na yɛbɛma ano aduru a ɛfata no ahyia na yɛde quote ama wɔ nnɔnhwereɛ 24 ntam.
Nya Quote a Wɔde Ma KwaCOG ne COB LCD, PMOLED / AMOLED micro-display, 0.69-10.1-inch TFT kɔla screen ne LED akyi kanea module, asia series ne 61 mfonini ahorow a wɔreyɛ; wɔayɛ kɛseɛ a ɛnyɛ gyinapɛn, nsusuiɛ, ntamgyinafoɔ, akwankyerɛ a wɔde hwɛ ne FPC sɛdeɛ mfonini ahodoɔ teɛ; gyinapɛn, mfiridwuma ne trɛw ɔhyew abiɛsa-ahoɔhare ɔhyew beae; wɔde ma sɛnea RoHS, REACH ne CE kyerɛ a wɔde nkrataa a edi mũ a ɛkyerɛ sɛ wodi mmara so no, wobetumi atrɛw asram 12 warranty mu sɛnea adwuma no te.
Sua fa display ne display module ano aduru ho ade →