Wide-Temperature Displays: Nea Wɔde Di Dwuma fi -40 C kosi +85 C

Atwerɛ

November 1, 2024

Nsu ahwehwɛ no te ɔhyew nka wɔ honam fam wɔ ɔkwan bi so a ɛma ɔhyew ho nkyerɛwde abiɛsa a wɔatintim no yɛ ɔhye a ɛda adwumayɛ ne adwuma a ɛnyɛ adwuma ntam, na ɛnyɛ aguadi nhyehyɛe.

Nsuo Ahwehwɛ Yɛ Ɔhyew Ho N’ade Tẽẽ Sen Afã Dodow no ara

Tebea a nsu ahwehwɛ no te no gyina ɔhyew so. Awɔw dodo na molecule ahorow a ɛkyinkyini no bɛyɛ nea ɛyɛ nnam, mmuae no trɛw fi milisekɔn du du kosi ɔhaha pii, na mfonini no srade a wotumi hu. Ɛyɛ hyew dodo na sɛ wɔannwene beae a wɔde yiyi mu no nkɔ soro sɛnea ɛsɛ a, nsonsonoe no hwe ase, mfonini no hohoro, na wɔ tebea bɔne mu no hann fa mu. Module ahorow a ɛyɛ hyew a ɛtrɛw no wɔ ahorow abiɛsa: gyinapɛn 0C kosi +50C, mfiridwuma -20C kosi +70C, ne trɛw -40C kosi +85C. Eyinom nyɛ aguadi mu nsɛm a wɔde di gua; wɔyɛ nsonsonoe a ɛda adwumayɛ ne adwuma a wɔnyɛ ntam.

Adeɛ baako a ɛfata sɛ wɔde frankaa to: range a wɔatintim no yɛ module no ankasa. Sɛ wɔde hyɛ ade bi mu pɛ a, nneɛma a atwa screen no ho ahyia no taa yɛ den kɛse. Ɔhyew a efi anyinam ahoɔden a ɛwɔ ɔdan a wɔatoto mu mu no betumi ama mpɔtam hɔ hyew akɔ soro digrii du a ɛyɛ nwonwa, na abɔnten kabinet a ɛhwɛ anafo fam no kɔ soro sen baabi a atwa yɛn ho ahyia no koraa. Gyae margin wɔ selection stage yɛ adeyɛ titiriw wɔ saa class of project yi so.

Nsɛm Abiɛsa a Wɔtaa De Kyerɛw Nsɛm a ɛnteɛ

Mis-specification biako: module a ɛyɛ mfiridwuma mu de a wɔde ahyɛ forklift a wɔde nneɛma a ɛyɛ nwini gu mu. Fine wɔ awɔw bere mu; wɔ awɔw bere mu no, screen no gye sikani du du ansa na wɔayɛ mfonini, na nea ɔde di dwuma no fa no sɛ abubu. Ɛno ne ɔhyew a ɛba fam ho mmuae; wɔ ɔhyew a ɛba fam ankasa mu no, nsu a ɛyɛ ahwehwɛ no betumi ayɛ ahwehwɛ mpo na asɛe daa. Mis-specification abien: standard-grade module a ɛwɔ abɔnten nnwinnade cabinet a ɛhwɛ anafo fam, baabi a emu no du digrii aduosia anaa aduɔson wɔ awɔw bere mfinimfini na nkyerɛwee no hohoro. Mis-specification abiɛsa: ambient-temperature module wɔ kar mu, baabi a awɔw bere mu anɔpa ma ignition a edi kan a heavy smear ne residual image.

Ade a ɛtaa ba abiɛsa no nyinaa mu ne sɛ beae no hyew nyɛ nɔma a ɛwɔ din krataa no so da. Mfiri a wɔde sie awɔw mu no ma n’ankasa ɔhyew ba, abɔnten nkuku wɔ greenhouse effect, kar ahorow wɔ awia ne anadwo swing. Paw abasobɔde a ɛne ɔhyew a enye koraa wɔ beae hɔ no hyia, na ɛnyɛ nea ɛne sɛ wɔkyekyem pɛpɛɛpɛ no hyia.

Sɛnea Wonya Ɔhyew a Ɛtrɛw Ankasa

Ɔhyew a ɛtrɛw nyɛ ade a wɔde hyɛ so; ɛreyɛ pɛ wɔ nkɔnsɔnkɔnsɔn no nyinaa mu. Ɛsɛ sɛ nsu ahwehwɛ afrafra no yɛ nea ɛyɛ hyew a ɛtrɛw, a clearing point ne low-temperature crystallisation nyinaa kata band a wɔde asi wɔn ani so no so. Ɛsɛ sɛ drive voltage no si hɔ yiye wɔ ɔhyew a ɛba fam mu, a hardware margin wɔ keteke kwan no so. Ɛsɛ sɛ polariser no nya nkwa wɔ nnwontofo kuw no mu; polarisers a ɛyɛ mpapahwekwa no yɛ blister na delaminate wɔ ɔhyew ne nsu a ɛyɛ nwini ase. Ɛsɛ sɛ akyi kanea no kura hann wɔ ɔhyew a ɛba fam mu, na ɛma LED ahoɔden a ɛyera no tua ka. Ɛsɛ sɛ wɔde adhesive ne bonding nneɛma no toto ho nso. Ambient-grade component biako biara a ɛwɔ nkɔnsɔnkɔnsɔn no mu no ma nkyerɛkyerɛmu no nyinaa yɛ nea enni mu.

Yɛn kwan no ne ɔhyew grade no hyia wɔ beae no: gyinapɛn, mfiridwuma ne trɛw, a ahwehwɛ, draiver, polariser, backlight ne encapsulation a wɔapaw sɛ set ama botae kuw no, afrafra ambient-grade afã horow da. Wɔde nneɛma ma RoHS, REACH ne CE a wɔde nkrataa a edi mũ a ɛkyerɛ sɛ wɔdi mmara so, na wɔde afiri a wɔawie no yɛ ɔhyew a ɛba fam sɔhwɛ a ɛkorɔn. Wɔsusu awɔw mu mfiase ne ɔhyew a ɛkɔ soro onyin ansa na wɔde amena, enti nea adetɔfo no nsa ka no yɛ data a wɔsusuw sen sɛ ɛbɛyɛ bɔhyɛ.

Ka Baabi a Ɛkɔ Kyerɛ Yɛn

Kasasin a mfaso wɔ so sen biara wɔ paw fã ne sɛ wobɛka baabi a wɔde saa screen yi ahyɛ mu akyerɛ nea ɔde ma no. Nwini a wɔkora so, abɔnten a ɛhwɛ anafo fam, mfiri adwinnade bi nkyɛn, a wɔde ahyɛ kar mu, wɔ kabinet a wɔhwɛ ɔhyew so mu — nneɛma a atwa yɛn ho ahyia biara yɛ map kɔ grade bi so. Ma ɔhyew a ɛba fam ne nea ɛsen biara, ɔhyew, sɛ ebia owia wɔ hɔ tẽẽ, ne sɛ ebia adwumayɛ yɛ bere ne bere mu anaasɛ ɛkɔ so, na nea ɛne no hyia no yɛ nea ɔde nneɛma ma no adwuma.

Wɔ yɛn afã no, sɛ yɛde ɔyɛkyerɛ no mu nsɛm, nhyiam no nsusuwii, ɔhyew kwan ne ntamgyinafo tebea horow no kɔ a, ɛsan de ano aduru ne nsɛm a wɔafa aka wɔ nnɔnhwerew aduonu anan mu ba; parameters yɛ typical catalog values ​​na customization di wo design akyi. Wɔ akuw a afuw mu tebea horow ahyew wɔn dedaw fam no, kasamu yi te sɛ nea ɛyɛ ade a ɛyɛ mmerɛw, nanso ɛgye awɔw bere mũ nyinaa fi adetɔfo anwiinwii mu.

Hwɛ Past Temperature Range no kɔ Sɛnea Ɛsakra Ntɛmntɛm

Ɔhyew a ɛkɔ soro yɛ ɔhye; nea ɛsɛe module bi ne sɛnea ɛtwam ntɛmntɛm. Cold-store pon a ɛwosow fi plus aduasa kosi minus aduonu anum wɔ sikɔne mu ma ahwehwɛ, polariser ne bonding adhesive trɛw ntɛmntɛm, na sɛnkyerɛnne a edi kan ne ano a ɛyɛ sum, afei nyankontɔn a ɛyɛ nsensanee, afei nsakrae a ɛtra hɔ daa wɔ nkwammoaa no mu nsonsonoe mu. Bisa thermal shock tumi no pɔtee — sɛ ebia module no tumi gyina nsakrae a ɛyɛ digrii du simma biara anaa nea ɛboro saa ano — ne nsonsonoe a ɛda ahwehwɛ no ne polariser no ntam no.

Ɔhyew a wɔde ka ho ne nea ɛyɛ nwini no ne nea ɛyɛ komm. Sɔhwɛ aduɔwɔtwe anum a ɛboro aduɔwɔtwe anum so no yɛ ade a ɛma polariser delamination ne corrosion wɔ ITO electrodes no so ntɛmntɛm; module a ɛyɛ adwuma mfe abien wɔ dan mu hyew mu betumi akyerɛ anoano huammɔdi wɔ nnɔnhwerew ahanan mu wɔ saa tebea horow no mu. Yɛn nkyerɛkyerɛmu a ɛfa module a ɛwɔ ɔhyew a ɛtrɛw ho no bi ne rate-of-change anohyeto, damp-heat bere tenten, ne storage range, a wɔakyerɛw sɛ nɔma a wubetumi de atoto wo site tebea ho.

Asuade a Etwa To wɔ Ɔhyew a Ɛtrɛw a Wɔpaw Mu: Gye a Wogye Tom

Gye a wobegye module a ɛwɔ ɔhyew a ɛtrɛw atom no ntumi nnyina sɛnea ɛte wɔ dan mu hyew mu, anaasɛ ɔhyew nɔma abien a ɛwɔ nkyerɛkyerɛmu no mu no so. Nea ɛsɛ sɛ woyɛ ne sɛ wobɛsan ayɛ beae no ɔhyew kwan no: sɛnea ɔhyew no kɔ fam ntɛmntɛm, bere tenten a ɛtra baabiara a ɛboro so, ɔhyew a ɛwɔ hɔ, ne kyinhyia dodow. Kyerɛw saa tebea horow no gu gye a wogye tom no mu na ɛbɛyɛ yiye sɛ wobehu nsonsonoe a ɛda ɔhyew a wɔakyerɛ sɛ ɛtrɛw ne ɔhyew a ɛtrɛw ankasa ntam.

Ɔkwan a wɔtaa fa so ne ɔhyew kyinhyia a wɔde ɔhyew a ɛyɛ nwini ka ho. Ɛho hia sɛ wɔyɛ kyinhyia a ɛdɔɔso, efisɛ twam abien anaa abiɛsa nkyerɛ ɔbrɛ ho hwee; bere a ɛdɔɔso a wɔde bɛtra hɔ ho hia, efisɛ adan no tra hɔ nnɔnhwerew abien akyi nkutoo. Hwɛ nsonsonoe a ɛporɔw, mmuae-bere nsakrae, display residual ne blistering anaa delamination biara. Nneɛma a ɛsɛe kɛse wɔ eyinom mu biara mu no kyerɛ sɛ wɔde nneɛma a ɛwɔ dan mu hyew na esii nkɔnsɔnkɔnsɔn no mu baabi.

Yɛde saa tebea horow yi di dwuma ansa na yɛde amena na yɛde data a wɔasusuw ma. Mfaso a ɛwɔ aduru a ɛma ɔhyew a ɛtrɛw so nyɛ nea wɔka sɛ wobetumi de adi dwuma wɔ sotɔɔ a wɔtɔn nneɛma a ɛyɛ nwini mu; ɛyɛ sɛ client no betumi de amanneɛbɔ no adi dwuma de anya wɔn ankasa quality department de ayi design no adi.

Efi -30°C kosi +80°C: Wɔkyerɛw Wide-Temperature Spec a Ɛkura

LCD a ɛtrɛw a ɛyɛ hyew a wɔahyɛ no -30°C kosi +80°C nyɛ nɔma biako na mmom abiɛsa, na adetɔfo a wɔkyerɛw range no nkutoo no taa nya panel a edi nkogu wɔ n’awiei biako. Mmiɛnsa no ne: ɔhyew a wɔde sie, ɔhyew a wɔde yɛ adwuma, ne ɔhyew a bere a wɔde yɛ mmuae no da so ara gye tom. STN panel a ɛwɔ kɔla biako betumi ayɛ adwuma wɔ -30°C nanso ɛbɛyɛ ho biribi wɔ bɛboro sekan biako mu; TFT bi betumi akura ne nsonsonoe wɔ +80°C nanso ɛbɛhwere hann bere a akyi kanea no brɛ ase no. Ɛsɛ sɛ custom wide-temperature LCD specification ka abiɛsa no mu nea application no hia ankasa, ne abodwokyɛre bɛn.

Wɔ kar adwuma ho no, dwumadi no na ɛde nkyerɛkyerɛmu no si hɔ sen sɛ ɔdetɔfo no bɛhyɛ. Mpɛn pii no, kar TFT a wɔde kyerɛ wɔ ɔhyew a ɛtrɛw mu no fata wɔ IATF 16949 ase, a ɛkyerɛ sɛnea wɔsesa ɔfã no na wɔhwehwɛ mu, ɛnyɛ sɛnea wɔsɔ hwɛ nkutoo. Saa nsonsonoe no ho hia wɔ sourcing bere mu: supplier a ɔwɔ temperature data nanso onni quality nhyehyɛe no betumi atwa bench sɔhwɛ no mu na ɔda so ara adi nkogu wɔ program audit no mu.