Ib, Cov kev cai tso saib: Txhais cov haujlwm tseem ceeb thiab cov ntsuas kev ua haujlwm
1. Zaub hom thiab hom
Kev xaiv thev naus laus zis: Qhia meej meej cov khoom siv thev naus laus zis xws li TN (twisted nematic), STN (ultra twisted nematic), TFT (thin film transistor), lossis OLED. Piv txwv li, cov cuab yeej ua lag luam xav tau qhov sib txawv thiab cov lus teb ceev ceev, thiab STN lossis TFT nyiam dua; Cov khoom siv hluav taws xob qis qis tuaj yeem tsim nyog rau OLED.
Cov zaub zoo thiab tsis zoo: Cov zaub zoo (dub tom qab nrog cov ntawv dawb) yog qhov tsim nyog rau qhov chaw sab hauv tsev, thaum cov zaub tsis zoo (dawb tom qab nrog cov ntawv dub) txhim kho kev nyeem sab nraum zoov; Lub semi pob tshab thiab semi reflective hom yog sib xws nrog ob qho tib si backlight thiab reflected lub teeb, ua rau nws haum rau lub teeb muaj zog scenes.
2. Kev daws teeb meem thiab tus lej ntawm ntu
Cov duab duab: Kev daws teeb meem (xws li 320 × 240 pixels) thiab kev teeb tsa pixel (RGB kab txaij lossis Pentile) yuav tsum tau muab.
Cov cim / tus lej tso saib: Nws yog qhov tsim nyog los qhia cov lej ntawm ntu (xws li 8 tus lej lej+4- lej cim) thiab qhov siab ntawm cov cim (xws li 2.5 hli).
Custom icon: Muab cov duab vector duab (xws li SVG hom) lossis cov duab kos duab (xws li BMP hom), thiab sau qhov loj thiab txoj haujlwm.
3. Kev pom thiab qhov sib txawv
Kev pom ntau yam: Txhais kab rov tav thiab ntsug kev pom (piv txwv li . 6: 00 kev taw qhia kev pom Ntau dua lossis sib npaug li 60℃).
Qhov yuav tsum tau muaj qhov sib txawv: Kom meej meej qhov sib piv zoo li qub (xws li 500: 1) thiab qhov sib txawv tsis sib xws (xws li 1000: 1), uas cuam tshuam rau cov duab pom tseeb thiab txheej txheej.
2, Optical tsis: xyuas kom pom cov nyhuv thiab kev ntseeg tau
1. Backlight tsim
Lub teeb hom: Xaiv LED, EL (Electro Luminescence) lossis CCFL (Cold Cathode Fluorescent Teeb). LED tau dhau los ua qhov tseem ceeb vim nws lub neej ntev thiab kev siv hluav taws xob tsawg.
Brightness thiab uniformity: Muab lub hom phiaj ci ci (xws li 500 cd / m ²) thiab cov kev xav tau sib xws (xws li Ntau dua lossis sib npaug li 85%), uas yuav tsum tau ua kom zoo dua los ntawm cov ntawv qhia lub teeb thiab cov yeeb yaj kiab diffusion.
Txoj kev Dimming: Txhawb PWM dimming (ntau zaus ntau dua lossis sib npaug rau 100Hz) lossis analog dimming, thiab qhia txog qhov dimming ntau (xws li 10% -100%).
2. Kev kho deg
Anti glare (AG): Tsim nyog rau cov khoom siv sab nraum zoov kom txo cov teeb pom kev cuam tshuam.
Anti ntiv tes (AF): Txhim kho kev huv thiab kev ua haujlwm ntawm lub vijtsam kov.
Anti reflective zaj duab xis (AR): txo qhov cuam tshuam ntawm qhov chaw thiab nce kev xa tawm (xws li los ntawm 92% mus rau 98%).
3. Xim gamut thiab xim kub
Xim gamut kev pab them nqi: Kom meej meej lub sRGB los yog NTSC xim gamut piv (xws li 72% NTSC), uas muaj feem xyuam rau xim reproduction.
Xim qhov kub thiab txias: txhais cov xim txias (6500K) lossis xim sov (3000K) kom haum raws li qhov xav tau ntawm daim ntawv thov scenario.
3, Cov yam ntxwv hluav taws xob: xyuas kom muaj teeb meem sib xws thiab ruaj khov
1. Hom interface
Parallel interface: xws li 8080 lossis 6800 tsheb npav, daim duab qhia sijhawm (xws li WR, RD, CS lub sijhawm teeb tsa) yuav tsum tau muab.
Serial interface: xws li SPI lossis I ² C, moos zaus (xws li 10MHz) thiab cov ntaub ntawv hom (xws li MSB qhov tseem ceeb) yuav tsum tau txhais.
MIPI interface: Tsim nyog rau siab - daws teeb meem TFT, DSI lossis CSI raws tu qauv version (xws li MIPI DSI 1.3) yuav tsum tau muab.
2. Kev xav tau ntawm lub zog
Voltage range: Kom meej meej lub logic voltage (xws li 3.3V) thiab backlight voltage (xws li 12V), coj mus rau hauv tus account lub hwj chim ripple (xws li Tsawg tshaj los yog sib npaug rau 50mV).
Cov peev nyiaj siv hluav taws xob: Muab kev siv hluav taws xob zoo li qub (xws li 50mW) thiab kev siv hluav taws xob zoo (xws li 200mW), uas cuam tshuam rau lub roj teeb lub neej tsim.
3. EMC thiab ESD
Electromagnetic compatibility: Yuav tsum ua raws li IEC 61000-4-2 (ESD) thiab IEC 61000-4-4 (EFT) cov qauv, thiab muab cov ntaub ntawv xeem.
Grounding tsim: Qhia meej txoj hauv kev hauv av ntawm cov txheej thaiv thaiv (xws li ib qho taw qhia hauv av lossis ntau- taw tes hauv av) txhawm rau txo kev cuam tshuam.
4, Mechanical Structure: Kho kom haum rau cov khoom siv qhov chaw thiab cov txheej txheem kev teeb tsa
1. Sab nraud qhov ntev
Chaw Ua Haujlwm: Muab qhov pom qhov ntev thiab qhov dav (piv txwv li . 76.8mm × 57.6mm) thiab kam rau ua (xws li ± 0.1mm).
Module loj: Kom meej meej lub zuag qhia tag nrho ntev, dav, thiab qhov siab (xws li 100mm × 80mm × 5mm), coj mus rau hauv tus account lub installation qhov chaw thiab ntsia hlau specifications.
2. Txoj kev teeb tsa
Hlau ncej: Haum rau siab - lub zog yuav tsum tau, cov khoom siv ncej (xws li aluminium alloy) thiab kev kho deg (xws li anodizing) yuav tsum tau muab.
Rubber thav duab fixation: Haum rau lub teeb yuag tsim, nws yog ib qho tsim nyog los qhia meej cov xim ntawm cov roj hmab thav duab (xws li dub) thiab hom nplaum (xws li UV kua nplaum).
ZIF connector: haum rau detachable tsim, connector qauv (xws li FH26-39S-0.3SH) thiab insertion thiab extraction quab yuam yuav tsum tau muab.
3. Ib puag ncig sealing
IP ntsuam xyuas: Kom meej meej cov plua plav pov thawj thiab tsis muaj dej tsis zoo (xws li IP65), uas yuav tsum tau xeem cov tshuaj ntsev ntsev (xws li 48 teev) thiab ntsuas kub thiab av noo siab (xws li 85℃/ 85% RH, 1000 teev).
5, Environmental adaptability: teb rau cov teeb meem kev ua haujlwm hnyav
1. Qhov kub thiab txias
Ua haujlwm kub: Muab qhov tsawg kawg nkaus thiab siab tshaj plaws ua haujlwm kub (xws li -40℃rau +85℃), uas yuav tsum dhau qhov ntsuas cua sov (xws li -40℃→+85℃cycling 100 zaug).
Cia qhov kub thiab txias: Qhia meej meej qhov kub thiab txias nyob rau hauv qhov tsis ua hauj lwm (xws li -50℃rau +100 degree), uas cuam tshuam rau cov khoom xaiv (xws li polarizer kub kuj).
2. Kev vibration thiab cuam tshuam
Kev ntsuas vibration: Yuav tsum ua raws li IEC 60068-2-6 tus qauv (xws li . 5-55Hz, 1.5mm amplitude, 2 teev / axis).
Kev ntsuas cuam tshuam: Nws yuav tsum ua raws li IEC 60068-2-27 tus qauv (xws li 15g, 11ms ib nrab sine yoj, 3 zaug ntawm txhua axis).
3. Tshuaj corrosion
Solvent resistance: Cov tshuaj lom neeg nyob rau hauv kev sib cuag (xws li cawv thiab roj av) yuav tsum tau kuaj rau cov kuab tshuaj tiv thaiv (xws li tsis muaj xim tom qab 72 teev ntawm immersion).
6, Test validation: xyuas kom zoo ib yam thiab kev ntseeg siab nyob rau hauv loj ntau lawm
1. Cov qauv kuaj
Kev kuaj pom qhov muag: Ntsuas qhov ci, qhov sib piv, thiab xim gamut siv lub spectrophotometer, thiab tshuaj xyuas qhov tsis xws ntawm pixels (xws li cov chaw ci ntsa iab thiab tsaus nti) siv lub tshuab tsom.
Kev ntsuas hluav taws xob: Siv lub oscilloscope los txheeb xyuas lub sijhawm teeb tsa, thiab siv lub LCR tester los ntsuas qhov muaj peev xwm thiab qhov tsis kam.
2. Kev ntsuam xyuas kev ntseeg siab
Kev sim lub neej: Tom qab teeb pom kev txuas ntxiv rau 1000 teev, qhov ci ntsa iab yuav tsum tsawg dua lossis sib npaug li 15%.
Kev kub siab thiab qis qis: Tom qab 100 lub voj voog ntawm -40℃mus rau +85 degree, tsis muaj qhov ua haujlwm tsis zoo.
Cov tshuaj ntsev ntsev: 5% NaCl tov, tsis muaj corrosion tom qab 48 teev.
3. Kev txheeb xyuas ntau lawm
Thawj Tsab Ntawv Tshuaj Ntsuam Xyuas (FAI): Txheeb xyuas seb puas yog thawj pawg ntawm cov qauv ua tau raws li cov qauv tsim, suav nrog qhov ntev, hluav taws xob thiab qhov ntsuas qhov muag.
Txheej Txheem Kev Ntsuas Kev Ntsuas (CPK): Tus nqi CPK rau qhov loj me (xws li AA qhov ntev thiab qhov dav) yuav tsum siab dua lossis sib npaug rau 1.33 txhawm rau ua kom muaj kev ruaj ntseg ntau lawm.
