Nsonsonoe Titiriw a Ɛsɛ sɛ Wudi Kan Hu
LCD bar screens ne LED bar screens yɛ adwuma wɔ akwan horow so koraa. Sɛ wote eyi ase wie a, ɛyɛ mmerɛw kɛse sɛ wobɛpaw wɔn ntam.
LCD bar screen ahorow a wɔde hwɛ nneɛma soyɛ adwuma denam hann a efi akyi ba a wobɛhwɛ so no so. Akyi kanea bi wɔ hɔ, na nsu a ɛyɛ ahwehwɛ molecule ahorow twitwiw na ɛdannan ma hann fa mu anaasɛ esiw ano. Crystals no ankasa mma hann biara-wɔn titiriw shutters a kɔla filters wom.
LED bar screens a wɔde yɛ nneɛmayɛ wɔn ankasa hann. LED nketenkete kɔkɔɔ, ahabammono, ne bruu ma hann ne kɔla nyinaa ma bere koro mu. Pixel biara yɛ n’ankasa hann fibea ketewaa bi.
Hann a ɛhyerɛn
Hann na ɛkyerɛ baabi a ɔyɛkyerɛ bi bɛyɛ adwuma ankasa. Yɛsusu eyi wɔnits (cd/m2) 1. Ɔde ne nsa kyerɛɛ ne so., na anohyeto ahorow bi wɔ hɔ a emu yɛ den a wuntumi mfa anifere kwan so installation tricks nyɛ adwuma.
Sɛ wopɛ sɛ wotɔn nneɛma wɔ dan mu a kanea a wɔahyɛ so a, anyɛ yiye koraa no, wuhia350 nits na ɛwɔ hɔ. Baabi wɔ hɔ500-700 na ɛwɔ hɔyɛ adwuma yiye. Fa saa display no bɛn mfɛnsere bi, na mpofirim ara worehwɛ700 a ɛba fam koraa, ne1000-1500ahobammɔ a ɛwɔ hɔ. Semi-abɔnten so mmeae a owia a ɛnteɛ no pia saa no kɔ2000-3500 nits na ɛwɔ hɔ. Abɔnten a ɛyɛ ma wɔ owia hann tẽẽ mu?5000 nits anyɛ yiye koraa no, na wɔn a wɔde instɔlehyɛn no dodow no ara kamfo kyerɛ6000-8000.
LCD tops fi bɛyɛ 2500 nits, na specialized high-hran models nko ara na ɛkɔ hɔ. Saa units no tu mmirika kɛse-ebia 40-60% kɛse bun-na ɛhyew ntɛmntɛm.
LED fi ase wɔ 800 na ɛkɔ akyiri sen 10,000 nits.
Full abɔnten kyerɛ LED.
Pixel Density ne Ɔkwan a Wɔfa so Hwɛ
LCD bar screens no de piksel dodow a wɔahyɛ da ayɛ a efi adwumayɛbea hɔ ba. Fa LCD bar screen a ne kɛse yɛ nsateakwaa 37 a ne kɛse yɛ 1920×540. Worenya nea ɛkɔ so daa60+ PPIɛmfa ho baabi a wugyina. Ɛno yɛ nnam wɔ mita fã, ɛho nhia wɔ mita anum.
LED bar screens ma wo paw pixel density denampiksel nne kɛse. Nkontaabu no yɛ tẽẽ: fa wo piksel no nne wɔ milimita mu na fa 1.0 kosi 1.5 bɔ ho na ama woanya wo kwan a eye sen biara a wode bɛhwɛ no wɔ mita mu.
P4.0ne baabi a nnwuma dodow no ara si fam-ɛkata4-6 mita dɛ beaea ɛyɛ adwuma ma aguadidan akɛse mu nneɛma a wɔde si hɔ, wimhyɛn gyinabea nsɛnkyerɛnne, ne aguadidan ahorow anim mfɛnsere. Sɛ ɛho hia a, kɔ denneennen.P2.0di mita 2-3 kwan no ho dwuma, na woretua bɛyɛ mmɔho abien.P1.2wɔ hɔ ma saa tebea horow a ɛntaa nsi a nnipa gyina baabi a LED ɔfasu kɛse bi betumi adu ho no. Wɔ 5x ɛka no.
Ntease wɔ LCD mu bere a wɔn a wɔhwɛ no bɛn sen mita 2 nona worekyerɛ nsɛm anaa mfonini ahorow a ɛkɔ akyiri.LED di nkonim bere a kwan a wɔfa so hwɛ no boro mita 2.5 nona nkɛntɛnso a aniwa hu ho hia sen nkyerɛwee a ɛyɛ fɛ.
Contrast Ratio: Nea enti a LED Di Nkonim wɔ Akyi a Ɛyɛ Esum So
Nsonsonoe a ɛda ntam no susuw nsonsonoe a ɛda fitaa a ɛhyerɛn sen biara ne tuntum a ɛyɛ tumm sen biara a ɔyɛkyerɛ betumi ayɛ ntam.
LCD wɔ nhyehyɛe ho haw bi wɔ ha. Akyi kanea no fa panel no nyinaa so bere nyinaa. Sɛ wopɛ sɛ wokyerɛ tuntum a, saa piksel ahorow no ntumi nsiw hann no kwan koraa. Wo nya fitaa tuntum mmom sen sɛ wubenya tuntum ankasa. IPS panels taa nya1000:1 kosi 1500:1abirabɔ. VA panels yɛ yiye wɔ3000:1 kosi 5000:1 na ɛwɔ hɔ.
LED pixel biara betumi adum koraa. No current kyerɛ sɛ hann biara nni hɔ, a ɛkyerɛ sɛtuntum ankasa. Standard SMD LED panels abɔ5000:1 kosi 8000:1 na ɛwɔ hɔ. COB LED a ɛkorɔn-awiei betumi adu10,000:1 anaa mpo 100,000:1.
Sɛ wo nsɛm no de akyi a ɛyɛ tumm anaa ahyɛnsode a ɛkorɔn-nsonsonoe di dwuma a, eyi ho hia. Wɔ nsɛm a ɛwɔ akyi a ɛyɛ hare ho no, nnipa dodow no ara renhu.
Kɔla Adwumayɛ
LCD bar screens taa kata so72-100% na ɛyɛ sRGB, adwuma wɔ8-bit kɔla mu dɔ (kɔla ɔpepem 16.7) ., na woanyaΔE kɔla pɛpɛɛpɛyɛ wɔ 2-5 ntam. Consistency yɛ wɔn ahoɔden-akyi kanea no trɛw pɛpɛɛpɛ, enti kɔla ahorow no hyia wɔ panel no nyinaa so a enni calibration.
LED ma gamut a ɛtrɛw(90-140% sRGB) na ɛwɔ hɔ.ne kɔla a emu dɔ a emu dɔ(10-16 bit, kɔla bɛboro ɔpepepem biako). Out-of-the-adaka no pɛpɛɛpɛyɛ yɛ bɔne sen biara, a ΔE tu mmirika 3-6, na kɔla ahorow a wobɛma ɛne module ahorow no nyinaa ahyia no gye adwuma. LED a wɔde si hɔ a anibere wom biara ka colorimeter-based calibration ho.
Refresh Rate ne Camera a Wɔkyere
Refresh rate bɛyɛ ade a ɛhaw adwene ankasa bere a nkurɔfo bɛtwe wo display no mfonini anaa wɔbɛbɔ sini no. Eyi si bere nyinaa wɔ aguadidan ne ɔmanfo mmeae mprempren.
LCD tu mmirika wɔ60Hz gyinapɛn, a 120Hz wɔ hɔ wɔ premium mfonini ahorow so. Eyi ye ma onipa aniwa nanso ebetumi ama banding aba bere a obi de ne fon to video no. Aguadi LED panels taa tu mmirika1920Hz kosi 3840Hz, a ɛyi saa scan-line artifacts a ɛda adi wɔ smartphone mfonini mu no fi hɔ.
Wopɛ sɛ w’ankasa wosɔ eyi hwɛ?Fa wo fon no slow-motion mode no kyerɛw display no wɔ 240fps. Horizontal black bars scrolling through the image kyerɛ sɛ refresh rate no nkɔ soro sɛnea ɛsɛ.
Panel Mfiridwuma ho nimdeɛ
LCD Panel Ahorow Ahorow
IPS (Wɔ-Wimhyɛn Nsakrae) .panels ma wo178 digrii /178 digrii hwɛbea ahorowa kɔla ahorow a ɛyɛ pɛpɛɛpɛ a ɛkyɛn so. Mmuae bere no tu mmirika 8-14ms, na abibifo dodow yɛ nea ɛkɔ fam-wubehu abibifo a wɔn ho yɛ fitaa sen abibifo ankasa. Eyinom yɛ adwuma yiye ma shelf-edge displays a wofi afã horow pii hwɛ ne menu boards wɔ baabi a kɔla a ɛyɛ pɛpɛɛpɛ ho hia.
VA (Nneɛma a Wɔde Bɛgyina Hɔ) .panels de ma178 digrii /160 digrii hwɛbea ahorow. Mpɛn pii no, adwumayɛ a ɛda hɔ gyina hɔ no brɛ ase wɔ afã horow a ɛboro so. Kɔla pɛpɛɛpɛyɛ ye, mmuae bere yɛ ntɛmntɛm wɔ 4-8ms, na abibifo dodow di IPS so nkonim. Eyinom fata video-heavy content ne brands a wɔde kɔla tuntum nhyehyɛe di dwuma.
ADS/AFFS ahorow a ɛsono emu biarayɛ industrial-grade options a ɛtrɛw ɔhyew abodwokyɛre fi-30 digrii kosi +80 digrii. Ɛfata sɛ wotua ho ka ma akwantu anaa mmeae a ɛyɛ hu nkutoo.
LED Packaging Mfiridwuma
Nsɛmfua a wɔde di dwuma no yɛ basaa ntɛmntɛm.
SMD (Surface-Mount Mfiri) .di dan mu ne semi{0}}abɔnten instɔlehyɛn so. LED chips abiɛsa (kɔkɔɔ, ahabammono, bruu) mount wɔ bracket biako so na wonya encapsulated wɔ resin. Pixel nnyigyei fi P1.0 kosi P10.
Nneɛma a ɛyɛ mmerɛw no yɛ nokware: LED a ɛda adi no betumi asɛe honam fam, nsu betumi akɔ mu wɔ resin hye so, na nsateaa a ɛne no di nkitaho tẽẽ no betumi atu nneɛma a ɛwom no afi hɔ. Wɔ aguadidan fam ne mmeae a wɔde kar fa baabi a ebia nkurɔfo de wɔn nsa bɛka nea wɔde kyerɛ no fam no, eyi ho hia.
COB (Chip-wɔ-Board so) .mounts LED chips tẽẽ wɔ PCB substrate no so, afei ɔde ahobammɔ layer a ɛyɛ pɛ kata biribiara so. Module no ani nyinaa ba awiei sɛ ɛyɛ mmerɛw na ɛkɔ so-honam fam ahoɔden a eye, nsu a ɛko tia, ne nsonsonoe a ɛkɔ anim fi hann-absorbing coating ntam piksel ahorow. Ka a wɔbɔ no tu mmirika30-50% a ɛboro sosen SMD a ɛne no sɛ.
GOB (Glue-wɔ-Board so) .ne compromise option: standard SMD mfiridwuma a epoxy coating ka ho bere a wɔaboaboa ano akyi. COB-te sɛ ahobammɔ a ɛho ka sua. Wubehu hann a ɛso tew kakra (5-10%) na ebetumi ayɛ kɔkɔɔ bere a wɔde UV adi dwuma bere tenten no.
Native vs. Nneɛma a Wɔatwa
Wɔn a wɔyɛ bar screen no nya wɔn panel ahorow no akwan abien so, na nsonsonoe no ho hia sen sɛnea adetɔfo dodow no ara hu.
Native Bar Panels a Wɔde Yɛ Adwuma
Wɔde akatasoɔ a wɔde yɛ nneɛma a wɔayɛ ama ultra-wide aspect ratios titire na ɛyɛ yeinom. Nsusuwii ahorow no yɛ nea wɔahyɛ da ayɛ fi mfiase. Wɔn a wɔde nneɛma ma no te sɛBOE, AUO, Innolux, ne CSOTyɛ ahofama a wɔatrɛw mu-format afiri nhama.
Nea wunya: mpo akyi kanea kyekyɛ nyinaa kosi anoano, nhyehyɛe mudi mu kura a edi mũ a gyinapɛn ahwehwɛ thickness, daa nsɔano twa perimeter nyinaa ho hyia, ne gyinapɛn resolution nhwɛso te sɛ1920×158, 1920×360, anaa 1920×540.
Panel ahorow a wɔatwitwa na wɔasesa ne kɛse
Eyinom fi ase sɛ standard 16:9 panels a wonya honam fam twa kɔ bar dimensions bere a wɔayɛ akyi. Ebia 1920×1080 panel abɛyɛ 1920×270 nhama pii.
Twitwa no bubu nsɔano no wɔ ahwehwɛ ntoatoaso ntam-.hann pue wɔ anoano. Glass mudi mu kura nya ɔhaw wɔ nhama a wɔatwa mu, a ɛkyerɛ sɛ ɛbubu pii bere a wɔde rekɔ na wɔde ahyɛ mu no. Wɔyɛɛ mfitiase akyi kanea no maa panel mũ no nyinaa, enti panel ahorow no fã bi nya hann a ɛnteɛ. Na saa nsɔano a wɔasɛe no no ma nsu kɔ mu, na ɛma nsu ahwehwɛ no sɛe ntɛmntɛm bere a bere kɔ so no.
Spotting a wɔatwa panels:hwehwɛ non-standard vertical resolutions te sɛ158, 203, anaa 270 piksel. Bisa panel specification sheets a ɛwɔ manufacturer part numbers ankasa. Native panels ankasa akyerɛw model nɔma ahorow wɔ supplier catalogs mu.
Nneɛma a wɔatwa no tu mmirika 30-50% a ne bo yɛ mmerɛw.Discount no wɔ hɔ efisɛ ne su no sua ankasa.
Nneɛma a Wɔde Di Dwuma Ankasa
Retail Shelf-Edge Nkyerɛkyerɛmu
Woanya kanea a wɔahyɛ so wɔ dan mu, nnipa a wogyina hɔ bɛn wɔn ho ankasa (ɛtɔ mmere bi a wɔ mita bi ase bere a wɔrekɔhwehwɛ nneɛma), ne nneɛma a ne fã kɛse no ara yɛ nsɛm ne bo a wɔbɔ. Plus ebia woreyɛ rolling out du du anaa ɔhaha pii saa nneɛma yi.
LCD di nkonim wɔ ha, na ɛnyɛ nea ɛbɛn titiriw.Obiara nnyina mita 4 fi shelf ano. Wo viewers no bɛn, a ɛkyerɛ sɛ wuhia saa pixel density LCD de ma no ankasa. Text hwɛ crisp esiane sɛnea LCD di subpixel rendering ho dwuma nti. Na sɛ woretɔ 200 units mmom sen 2 a, saa bo mu nsonsonoe a ɛda LCD ne LED ntam no ka bom ankasa.
Profile a ɛyɛ tratraa no nso boa. Wɔyɛɛ shelf-edge mounting rails dodow no ara a LCD nsusuwii wɔ w’adwenem, enti worenko tia hardware no.
Biribi a ɛwɔ500-700 nit range ne IPS panelsyɛ adwuma yiye. VA yɛ adwuma sɛ obiara fi ɔkwan koro so bɛn hɔ a, nanso ɛntaa mma sɛ nkurɔfo ntɔ nneɛma saa. Hwɛ sɛ worenya native panels, na size-wise wo taa hwɛ23-42 nsateakwaa range.
Nsɛm a Wɔde Kyerɛkyerɛ wɔ Transportation Ho
Keteke, bɔs, wimhyɛn gyinabea. Nneɛma a atwa yɛn ho ahyia no yɛ katee wɔ akwan horow so a nkurɔfo nsusuw ho kosi sɛ biribi bebubu. Wosow a ɛkɔ so daa. Ɔhyew a ɛsakra a anka ebekum ɛlɛtrɔnik mfiri a wɔde di dwuma. Na saa nneɛma yi tu mmirika 18+ nnɔnhwerew da biara.
Adansedi ho ahwehwɛde ahorow titiriw na esi gyinae yi ma wo.Keteke adwuma no wɔ EN50155, kar hia E-Mark adansedi, na akwan a wɔfa so pene LCD so no ho akokwaw na wɔakyerɛw ho nsɛm yiye-. LED adansedi krataa a wɔde ma wɔ akwantu ho? Ɛda so ara rekyere no.
Wɔ nkrataa a wɔde yɛ adwuma akyi no, mfiridwuma mu LCD a wɔde si so no wɔ mfe du du pii a wɔada no adi sɛ ɛko tia wosow. Mu duru no nso ho hia bere a wode nneɛma a wɔde kyerɛ nneɛma rehyɛ kar ahorow mu no. Na esiane sɛ nkurɔfo te anaa wogyina hɔ bɛn hɔ kakra nti, woresɛe LCD no resolution advantage no.
Wobɛpɛ industrial-rated IPS panels a anyɛ yiye koraa no di ho dwuma-20 digrii kosi +60 digrii. Ɛsɛ sɛ vibration specs kyerɛ1G kɔ so abodwokyɛre a ɛba fam koraa, sɛnea ɛbɛyɛ yiye no, 3G shock resistance. Hann a atwa ho ahyia700-1000 nits na ɛwɔ hɔdi hann a efi mfɛnsere mu ba no ho dwuma.
Abɔnten Sotɔɔ Anim ne Mfɛnsere mu Nneɛma a Wɔde Kyerɛkyerɛ
Owia hann sesa biribiara. Yɛrekasa100,000 a ɛyɛ luxwo bɔ wo display no da a wim yɛ hann. LCD honam fam ntumi nsi akan wɔ ha.
LED nkutoo ne ɔkwan ankasa a wobetumi afa so wɔ abɔnten.Wohia nits 5000-8000 na wode ako atia owia hann tẽẽ, na ɛno nyɛ biribi a LCD betumi de ama kɛkɛ. Wim tebea a wɔko tia nso ho hia efisɛ wobɛpɛIP65 anaa nea eye sen saawɔ anim no so. Akwansin a ɛware a wobɛhwɛ (nnipa a wɔwɔ abɔnten no atifi, kar ahorow a ɛretwam) kyerɛ sɛ anka wobɛtua ka a ɛboro so wɔ LCD no pixel density ho ɔkwan biara so.
Kɔ neP3-P6 piksel nnyigyeigyina sɛnea wo hwɛfo a wotaa hwɛ no gyina akyirikyiri so. Hwɛ hu sɛ worenya3840Hz a ɛyɛ foforoenti ɛtwa mfonini yiye wɔ sohyial media so. Ɛsɛ sɛ ɔhyew a ɛwɔ adwumayɛ mu no di biribiara a wo mpɔtam hɔ wim tebea bɛtow agu so no ho dwuma.
Nneɛma akɛse-Scale Indoor Installations
Aguadidan, wimhyɛn gyinabea, nhyiam mmeae, nnwumakuw abrannaa. Mmeae akɛse a ɛwɔ ɔdan atifi a ɛkorɔn ne nnipa a wɔhwɛ a ebia ɛwɔ akyirikyiri mita 20.
Seamless factor no ne nea ekum LCD wɔ ha.LCD panel kɛse a wubehu no bɛyɛ nsateakwaa 88. Wopɛ sɛ wokɔ akyiri? Woreyɛ tiling panels abom, na saa bezels no da adi. Adwumfo bɔ mmɔden sɛ wɔde bezels bɛka afɛfɛde no ho.
LED module ahorow no lock bom a ɛnyɛ den.Wopɛ sɛ wonya mita 30 a wɔde kyerɛ nneɛma a ɛkɔ so daa? LED na edi ho dwuma. Curved installation a wɔde abɔ adum bi ho? LED na edi ho dwuma. Hwɛ kwansin a ɛwɔ saa mmeae yi ne P2.5-P4 pixel pitch hyia pɛpɛɛpɛ, a ɛyɛ LED sweet spot ɔkwan biara so.
Wɔ premium instɔlehyɛn ahorow hoP2.5yɛ adwuma yiye. Standard aguadi adwuma yɛ yiye wɔP3-P4. Hann gyina ahunmu no so nanso mpɛn pii no800-1500 nits na ɛwɔ hɔka dan mu nsɛm dodow no ara ho asɛm. Akyinnye biara nni ho sɛ nya front-access module design efisɛ obi bɛhia sɛ ɔsom saa ade yi awiei koraa, na wompɛ sɛ wokyerɛkyerɛ nea enti a ɛsɛ sɛ woto mall no fã bi mu na woatumi akɔ display no akyi.
Adidibea ne QSR Menu Boards
Budget ho hia wɔ ha. Adidibea ahorow no ano yɛ teateaa, na wɔn wuranom hwehwɛ nnwinnade biara a wɔtɔ mu yiye.
Nsɛm a ɛwɔ mu no dodow no ara yɛ nsɛm a wɔde mfoninitwa nnuan bere ne bere mu.LCD kyerɛ nsɛm ase fɛfɛɛfɛ.Mpɛn pii no, kwan a wɔfa so hwɛ no yɛ saa mita 1.5-4 a mfiridwuma mu biara yɛ adwuma yiye wɔ mfiridwuma mu, nanso LCD ho ka sua koraa sɛ wɔbɛtɔ na wɔde adi dwuma.
Ade biako a ɛsɛ sɛ wususuw ho: adididan ahorow ma srade ne nsu a ɛyɛ hyew ba. Wɔ adidibea mpo no, saa nneɛma no tu kɔtra baabi foforo. Wopɛ sɛ wode glazing bi a ɛbɔ wo ho ban gu display no so. Tempered glass a wɔde kata so no yɛ nea wɔahyɛ da ayɛ. Sɛ woreyɛ self-service ordering a, .PCAP tumi a wɔde ka adede ebia 15-20% ka ɛka no ho nanso ebue dwumadi foforo.
Hann a atwa ho ahyia500-700 nits na ɛwɔ hɔdi adidibea kanea a wɔtaa de di dwuma ho dwuma.IP54 wɔ anim no soɛsɛ sɛ wobu no sɛ ɛyɛ ahyɛde, na ɛnyɛ nea wobetumi apaw.
Bere Tenten-Beretena mu Ka a Wosusuw Ho
Upfront cost yɛ mfiase ara kwa. Ase hɔ no yɛ ntotoho a ɛyɛ mmerɛw. Nea ebefi mu aba no bɛsono a egyina anyinam ahoɔden dodow, sɛnea wɔde di dwuma, ne sɛ ebia biribiara bɛbubu so.
Sɛ wopɛ LCD bar screen (a ɛne no sɛ nsateakwaa 37):adetɔ no tu mmirika kɔ baabiara$400, anyinam ahoɔden a wɔde nnɔnhwerew 12 yɛ da biara da adwumayɛ ho ka ebia $8 afe biara a egyina ɛka so, wɔde bɛyɛ $40 si hɔ afe biara ma nsiesie, na akyi kanea a wɔde besi ananmu bɛyɛ afe 4 no de $150 anaa nea ɛte saa foforo ka ho.Bɛyɛ dɔla 800 wɔ mfe anum mu.
Sɛ wopɛ LED bar screen a ɛyɛ pɛpɛɛpɛ wɔ display area wɔ P2.5:adetɔ no tu mmirika di akɔneaba$900, anyinam ahoɔden bo yɛ den kakra wɔ ebia $13 afe biara wɔ tebea koro no ara mu. Maintenance reserves betumi ayɛ ketewa efisɛ LED taa yɛ den kɛse. Module replacement mpɛn pii no ɛho nhia wɔ mfe anum mu sɛ wɔtɔ decent quality a.Baabi bɛyɛ $1,050-1,100 nyinaa.
LED tu mmirika bɛyɛ 35% sen LCD wɔ mfe anum muwɔ tebea horow a ɛtaa ba wɔ dan mu mu.
Nkontaabu no sesa kɔ tebea horow mu. Deployments tenten fa LED-LCD akyi kanea sɛe ntɛmntɛm wɔ afe 5 akyi bere a LED kura 70%+ hann mu kosi afe 8. Abɔnten instɔlehyɛn pia high-hyerɛn LCD mfonini ahorow kɔ $800+ bere a ɛde nkwa tenten a enye koraa ma, na ɛma LED bo-yɛ pɛ anaasɛ ne bo yɛ mmerɛw. Nneɛma akɛse a wɔde si hɔ a ɛnyɛ den hwehwɛ sɛ wɔde bezel a ɛyɛ den a ɛne LCD hyia, na wɔ nsenia mu no, LED nhyiam a ɛyɛ mmerɛw no tew adwumayɛfo ka so araa ma ɛbɛma nsonsonoe no atoto mu.
Nea Ɛsɛ sɛ Wobisa Bere a Woretɔ
Wɔ LCD Bar Screens ho no
Fi ase wɔ panel no ankasa so. Wopɛ sɛ wuhua ɔyɛɛ no ankasa (BOE, AUO, Innolux) .ne model nɔma pɔtee no. Eyi ho hia efisɛ ɛyɛ sɛnea wohwɛ sɛ worenya native panel sen biribi a wɔatwa afi standard display so. Ntease bi nti na nnua a wɔatwa no bo yɛ mmerɛw.
Brightness specs betumi ayɛ nea ɛdaadaa. Ebinom a wɔyɛ nneɛma susuw wɔ panel no mfinimfini baabi a ɛhyerɛn sen biara, afoforo nso ma wo sɛ wɔkyekyem pɛpɛɛpɛ wɔ ɔfasu no nyinaa so.Bisa ɔkwan a wɔfaa so.Ebia mfinimfini susuw a ɛyɛ nit 700 bɛyɛ nit 550 pɛ wɔ ntwea so.
Nya noakyi kanea typewɔ nkyerɛwee mu efisɛ edge-lit ne direct-lit wɔ biakoyɛ su ahorow.Kɔla ahorow a wɔde di dwumaɛsɛ sɛ wɔkyerɛ sɛ ɔha biara mu nkyem 100 wɔ sRGB anaa gyinapɛn foforo a wubetumi adi ho adanse ankasa. Mma nnye "kɔla a wɔsan yɛ pa" ntom kɛkɛ sɛ mmuae.
Nneɛma a wɔde yɛ adwuma no nso ho hia:ɔhyew a ɛkɔ soro, MTBF akontaabu, dɛn ankasa na warranty no kata so (panels nkutoo? backlight? power supply?). Na hwɛ hu sɛ wunim mounting interface dimensions ansa na woayɛ wo installation hardware no ho nhyehyɛe.
Sɛ wopɛ LED Bar Screens a
LED su gu ahorow kɛse, na...chip a wɔyɛ none wo nsɛnkyerɛnne a edi kan.Ɔman Nsoromma, Ɔhene Hann, Cree, Nichiayɛ din ahorow a wopɛ sɛ wuhu. Generic "high-quality LED" nkyerɛ hwee.
Nnye spec krataa no nni wɔ pixel pitch so.Fa calipers bra sɛ woreyɛ factory inspection a.
Refresh rate yɛ mmerɛw sɛ wobɛhwɛ sɛ wo ho yɛ nokware. Twe wo fon no, dan kɔ video a ɛkɔ brɛoo- so wɔ 240fps, na kyere ɔyɛkyerɛ no. Black bars scrolling through the image kyerɛ sɛ refresh rate no nyɛ nea wɔkae. Eyi gye sikani 30 na ama wɔn a wɔkra nneɛma no agye wɔn afi nneɛma bɔne a wɔtɔ no mu.
Hann a wɔsusuw yɛ ade foforo a wɔn a wɔyɛ nneɛma no nya adebɔ. Sɛ woresɛe sika a anibere wom a, .fa mita a wɔasusuw ho bra nhwehwɛmu no mu. Display a wɔakyerɛ sɛ ɛyɛ 6000 nits a ɛde 4500 ma ankasa no rentwa no wɔ owia hann tẽẽ mu.
Nneɛma bi a ɛnyɛ nea ɛda adi kɛse a ɛsɛ sɛ wɔde nnadewa bɔ: Iskɔla ahorow a wɔde susuw nneɛma hoa ɛka nea wɔde bɛkɔ no ho, anaasɛ ɛno yɛ sika foforo? Dɛn ne...flatness tolerance a wotumi gyina anomodule ahorow ntam? (Seams a wotumi hu taa fi module ahorow a ɛntra ase pɛpɛɛpɛ flush.) Bere tenten ahe na wɔbɛma guaranteespare module a ɛwɔ hɔ? Mfe anum anyɛ yiye koraa no, efisɛ display a wuntumi nsiesie yɛ asodi. Na nya nopixel a awu ho nhyehyɛewɔ nkyerɛwee mu a akontaabu ankasa wom, ɛnyɛ "industry standard acceptable rate" kɛkɛ.
Enti Nea Ɛhe na Ɛhe?
LCD yɛ adwuma yiye ma:hwɛ a ɛbɛn wɔ mita 1.5 ase, nsɛm-nneɛma a emu yɛ duru, kanea a ɛwɔ dan mu a ɛyɛ gyinapɛn, sikasɛm nhyehyɛe-nnwuma a ɛfa sikasɛm ho, instɔlehyɛn a ne nyinaa tenten nnu mita 3, dwumadie a wɔde nsa ka-atumi, ne akwantuo tebea a ɛwɔ wosow ho haw.
LED yɛ nea ntease wom kɛse ma:hwɛ kwan a ɛboro mita 3, video-dominant content, high ambient light environments, semi-abɔnten anaa abɔnten dwumadie biara, premium brand presentations, seamless runs a ɛboro mita 5, 24/7 dwumadie a wɔayɛ ho nhyehyɛeɛ a ɛboro mfeɛ 5, ne curved anaa architecturally creative installations.
Mita 1.5-3 a wɔde hwɛ nneɛma a ɛwɔ dan mu kanea a wɔtaa de di dwuma no betumi akɔ ɔkwan biara so. Hwɛ nneɛma afoforo. Kan mfaso horow a ɛho hia ma adwuma pɔtee no.Sɛ ɛbɛn mpo a, LCD taa di nkonim wɔ ɛka hogye sɛ ɛho hia pɔtee sɛ wɔde tenten a ɛnyɛ den, abɔnten so hann, anaa video a ɛbɛka no.
