Minus 30 im Plus 80: Ta melelen Wide Temperature ñan juon Automotive TFT Display

Bwebwenato

Tijemba 15, 2008

joñan bwil im molo ej ruo oran ilo juon datasheet im emān wāween ko rejjab jerbal ilo jikin eo: oktak in liquid crystal phase, backlight decay, polariser yellowing im cracked solder joints. Ta eo ej likjab ilo kajjojo jemlokin, etke vibration ej mõn connector ko mokta, ta eo IATF 16949 ej kajitok jen juon display factory, im ewi wawein jeje juon joñan bwil im molo eo elap me ejjab maroñ in shade.

Jilu kain Wa ko, Jilu Set in Kien ko

Naan in kwalok wa ej kitibuj jilu jikin wia ko reoktak jen dron. Factory eo ekkar ñan juon ri kōmman wa ej aikuj IATF 16949, PPAP im reliability kar kalōk ilo mour in wa eo. Aftermarket ej aikuji wāween an walok im joñan an maroñ in likit, ippāñ juon joñan in kamool eo ediklok. Jerbal in ekkal im jerbal in kallib rej aikuj in jab maroñ in mōkaj, bwidej im bwil im molo, ilo ien eo kōtmene ko an EMC rej bar oktak jen wa ko rej bōk armij.

Kobaik men kein jilu im bōd eo elap ej walok: wōnan ko rej kōjerbali ñan factory-fit reliability. Innem bun̄tōn eo moktata ejjab kajjitōk elañe juon ri wia emaron kōmmane juon TFT display ñan wa, ej kōmman bebe kin wōn ian men kein jilu kwe im elañe chain in jeje ko an ri kōmman wa eo ej jerbal. Ñe emoj an dedelok, wōnan, ien eo im joñan sample eo rej aolep oktak.

Ilo mol: juon sample eo ekkar ñan factory ej melelen juon PPAP package eo eobrak kin template eo an rikōmmane wa eo im jiljino ñan joñoul wiik; juon sample in aftermarket ej melelen jilu unit ko rej jerbal im juon ñan ruo wiik. Ejja ri wia eo wot, ejja panel eo wot, lalem alen oktak ilo wōnan jerbal eo. Naetan menin ilo ien kajitok ej kōjparok elap melele ko tokelik.

Ta eo ej lukkun likjab ilo Minus 30

Bwil ejjab baj mōkajlok. Viscosity ej wōnmanlok, ien uwaak ej to jen 25 milliseconds ñan 200, im pija eo ej jorrāān. Eļapļo̧k an bwil, liquid crystal eo ej deļo̧n̄e juon smectic phase im bōjrak an uwaak, im likūt juon screen eo ebōrōrō ak mouj. Menin ej men ko, jab tuning.

Ijellokin liquid crystal eo, molo ej tōpar jilu jikin ko jet. Adhesive eo ilo FPC ej oktak im mōrā im rup ilo an rup. Polariser adhesive eo ej mōkaj im eddeklok ilo tōrerein ko. Driver IC eo ej aikuj juon voltage elaplok ñan jinoe, innem cold start eo ej ijo jorrāān ko rej koba ie. Juon LCD eo emool kin joñan bwil im molo -30C +80C ej kwalok elaplok jen juon joñan. Ej kwalok ewi joñan second ko elikin an kar kajoor ilo minus 30, elikin ruo awa in idaak, juon pija eo ejimwe ej aikuj in walok. Juon joñan eo ejelok ien an bar jeblak ejjab ba jabdrewot.

Ta eo ej lukkun likjab ilo Plus 80

Bwil ej laplok an nana kinke ejelok men ej likjab ilo ien eo wot. Kajjojo joñoul digri in joñan bwil im molo in LED ej kōmman bwe en jimettan an mour meram eo. Juon polariser eo ej bwil ilo 80 degrees ej yellow iumin allōn ko, oktak im mouj ñan cream, im nañinmej eo ekkā an itok jimettan juon yio tokelik. Liquid crystal threshold voltage ej oktaklok ilo joñan bwil im molo, joñan an oktak joñan bwil im molo ej diklok, im joñan bwil im molo ej aikuj in walok.

Jikin eo ekauwatata ilo juon wa ejjab dashboard eo ak center console eo iumwin windscreen eo, ijo joñan bwil im molo in al ej 90 degrees, ilo ien eo ejja jikin eo wot ej dikļo k ñan 20 ilowaan wōt joñoul minute ko ñe air conditioning eo ej jerbal. Bwe thermal cycling ej kokkure adhesives im solder joint ko elaplok jen joñan an bwil. Test in joñan bwil im molo eo elap ej aikuj in kobaik thermal shock cycle ko ippāñ juon oran eo emoj kwalok, jab baj bwil im molo eo ejjab oktak.

Vibration im Shock: Joint eo ej likjab, jab panel eo

Test in vibration in wa ko ekkā an 10 ñan 500 hertz ilo jejjo g, eo ej einwot edik. Ak likjab ko rejjab lukkun walok ilo glass eo ak liquid crystal eo. Rej walok ilo jikin ko: bond eo ikõtan FPC im glass, connector eo ikõtan FPC im main board, solder joint ko ilo backlight eo.

Juon bond eo ejjab jerbal ej walok einwot jejjo line ko rejimwe ak juon jikin eo emej, men eo elaptata an walok ilo wa ko. Men eo ej kōmmane ejjab glass eo ebinlok ak stiffeners, juon bonding process eo emōj an oktak, im FPC routing eo kar kōmmane bwe en maroñ in bōk strain. Kein jerbal in kalōk ko rej kobaiktok joñan an utiejlok, joñan an diklok an walok im joñan an dekā ko mōjno, eo ej kōmman bwe jikin jokwe im kalibubu en laplok an aorōk jen panel eo make.

Ewōr juon unin m̧akūtkūt eo ejjab lale: fan ko im speaker ko. Rej jijet ilikin display eo ak ilowaan ejja mweo wōt, im kōmman an structure eo ilo juon frequency eo emaron in tōpar juon FPC resonance. Bōd eo ejjab walok ilo juon bench im ej walok wōt elikin jejjo thousand kilometres. Test device eo emōj kobaiki, jab panel eo wōt.

Ta eo IATF 16949 ej kajjitōk kake juon jikin kōmman pija

IATF 16949 ejjab juon peba in kamool, ej juon menin letok. Ilo an jerbal ñan juon display, men eo eaorōk ej PPAP set: rekoot in kōmman ko rej kalikar pija ko im melele ko, pija in jerbal eo, PFMEA, karōk in lale, etale in system in joñan, im ekkatak kin maroñ in jerbal eo jinoin.

Etale in joñan im maroñ ko rej ijo display factory ko rej bōjrak ie. Ewi joñan an meram, joñan an ļap im oktak, ilo ta kein jerbal eo, ta eo emaron in bar kōmmane — elōn rejjab maroñ in uwaake. Ekkatak kin maroñ ej kōnaan 300 mōttan ko rej ļoor doon, im juon būrookraam edik ejjab maroñ in kōmman 300 mōttan ko. Innem bwebwenato eo ej erom elañe melele ko etto jen juon men in wia ej emman ak elañe batch sampling ej jejjet, im ri wia ro rejjab errã kin men in. Kōmmane mokta jen am quote, ak sample ko renaj dedelok mokta jen an dedelok peba ko.

Jilu men ko rej bōbrae an maroñ in jibwe ilo juon wa

Capacitive touch ilo juon wa ej penlok jen ilo juon phone kin jilu un ko. Mokta, EMC: switched supplies, motor ko im ignition system ko rej radiate elap air kajoor ñan an maroñ in kōmman an sampling eo oktak. Kein karuo, glove ko, ko ilo winter ko ilo northern rej kōmmane men ko rejimwe, im glove mode ekkā an kōmman bwe en jako an armij maroñ in eñjake. Kein kajilu, den: wot ion windscreen eo, dren ko rej toor im pressure washer ko rej kōmman juon pija ion cover eo ej kōmman bwe en jab mol.

Juon TFT LCM ippāñ capacitive touch custom design kin menin ejjab maroñ bōjrak elañe touch ej kōnaan. Ej aikuj in naetan touch controller eo, joñan depakpak in cover eo im water-rejection algorithm eo. Kōmman bwe en wor 1.1 ñan 2.0 millimeters ej kōmman bwe en diklok an maroñ in bōk melele im ej kōmman bwe en bar jeblak, im water algorithm eo ej aikuj in test e wet jen an read jen juon datasheet claim in water support.

Juon kakkōl: glove mode ekkā an wiaik sensitivity ippān gain, im gain ej kōļļāik noise immunity. Ilo juon datasheet men kein rej ruo parameter ko rejenolok; ilo kōjerbali rej juon wōt jerbal. Kajjitōk kin signal-to-noise ratio ilo glove mode jen juon claim in glove support.

Jeje juon melele kin joñan bwil im molo eo ejjab maroñ in kalikar

Kallimur eo an juon ri wia kin joñan bwil im molo ej juon wōt line: jerbal jen minus 30 ñan plus 80. Range in ewōr jilu melele ko reoktak jen dron — ej mour wōt ilo an jab jorrāān, ej kwalok ilo an ejelok kallimur in jerbal, im ej tōpar aolep men ko. Eļap oktak ko im barāinwōt oktak ko ilo wōņāān.

Kōjepel sentence eo ñan jilu. Kwalok joñan an maroñ in kejbãrok, joñan an display eo aikuj in jerbal, im joñan ko rej bed ilo joñan eo: diklok in oktak, joñan ien eo elaptata an uak, joñan an diklok an meram. Kobaik juon menin aikuj ñan jinoe ilo ien eo emōrā. Ilo an jeje ilo wewein in, juon ri wia ejjab maroñ in lelok ilo an meram, im etale ewōr joñan ko remaroñ joñe. Ñe kwoj kōmman juon TFT LCD module supplier, ro rej kōnan quote line kein jilu kajjojo rej kōmmane būrookraam in wa ko remol. Enañin aolep jerbal kein rej kōmmane ilo China, im juon ri wia eo etiljek ijo enaj lewoj kein kamool ko an PPAP mokta jen am lemnok in kajjitōk kake.