Mavara akasviba akaonekwa paTV skrini – zvikonzero zvekubvisa madzima

Pane zvikonzero zvakawanda nei mavara matema matema achionekwa paTV. Asi kazhinji, kuvapo kwavo kunoratidza kukuvadzwa kwematrix. Uye hazvifanirwe kuve mechanical. Zvinogoneka kuti diffuser yakabviswa nekuda kwekuremara kwekugadzira. Uye dzimwe nguva nzvimbo yakasviba paTV inogona kubviswa iwe pachako! Asi kazhinji, iwe unofanirwa kutsvaga rubatsiro kubva kune yakabvumidzwa sevhisi nzvimbo yemugadziri.

Zvikonzero zvemavara matema uye grey shading paTV matrix

Hwaro hwechero TV yemazuva ano (uye yekutarisa zvakare) ndeye matrix. Uye ine akati wandei akaturikidzana, kunyanya:

1. Polarizing sefa . Inogadzirisa kufambiswa kwechiedza chinoburitswa nebacklight.
2. Makristasi emvura . Ivo vanogadzira “mufananidzo” wekupedzisira pachiratidziri. Ruvara rwepixel imwe neimwe inodzorwa neanogadzira magetsi emagetsi.
3. External polarizing sefa . Kana ikashaikwa, ipapo pachinzvimbo chemufananidzo uri pachiratidziri pachava chete nerima grey kumashure. Kunyangwe kana iyo layer yemakristasi emvura, pamwe neiyo backlight, inoshanda nemazvo.

Zvakare kuseri kwematrix kune LED backlight. Inoiswa zvakaenzana pamusoro peiyo diagonal ndege yeTV. Sezvo mutemo, iyi mutsara we LED, apo chimwe nechimwe chakabatanidzwa chakafanana (mune mamwe maTV chinoitika munhevedzano, asi chigadziro ichi hachiwanzoshandiswa ikozvino).

Uye ma LED anewo yavo yekushandisa sosi (paavhareji – kubva pamakumi matatu kusvika makumi mashanu maawa zviuru).

Saizvozvowo, zvikonzero zvikuru zvinotevera nei mavara akasviba akaonekwa paLCD TV anogona kusiyaniswa:

• “akaputsika” pixels ;
• mechanical kukanganisa kune matrix;
• kukundikana kweiyo backlight mechanism (inosanganisira zvakananga mwenje we LED, pamwe neiyo inverter inoshandura ikozvino kana kudzora voltage yayo);
• kuparadzira layer chirema;
• stratification yeimwe yezvikamu zvematrix (polarization);
• kukundikana kweiyo vhidhiyo chip (graphic processor, iyo ine basa rekugadzirisa iyo dhijitari chiratidzo, kuishandura uye kuiburitsa kune yemvura crystal matrix).

“Mapikisheni asina kukwana

Mufananidzo uri mumvura yekristaro matrices une mapikisi madiki. Uye mune angangoita makumi mapfumbamwe neshanu muzana emakesi, nzvimbo ine rima pachiratidziro ingori mhedzisiro yekukuvara kwavo. Inotaridzika senge-mavara-mavara madiki madiki asina chero halo kutenderedza. Ruvara rwavo runogona kuva chero: bhuruu, girini, dema, chena, tsvuku. Zvinosuruvarisa, kuparara kwakadaro hakugoni kugadziriswa, kunyanya pachayo. Asi panguva imwecheteyo, vazhinji vanogadzira mumirayiridzo yekushandiswa vanoratidza zvakananga kuti kuvapo kweakawanda “akaputsika” pixels ndiyo yakajairika. Semuenzaniso, kune Samsung, kana paine matatu chete pahwindo, saka izvi hazvionekwe sewaranti kesi. Kana zvakawanda, ipapo matrix inotsiviwa pasina muripo. Kuti uwane rumwe ruzivo, ndapota taura nemugadziri wacho zvakananga.

Chii chinoita kuti mapixels “akatyoka” aoneke paLCD skrini?

Nyanzvi dzinotaura kuti vanogona kutsamwiswa kana nekukuvadzwa kwemichina kuTV (kukanganisa pane matrix), kana kudonha kwemagetsi kamwe kamwe (kunyanya, kudarika kukosha kwayo kunobvumidzwa, pamusoro pe230 – 250 Volts). Saka, kana ikozvino mumusha wemagetsi network isina kugadzikana, zvino zvinokurudzirwa kubatanidza TV kuburikidza nekunze kwemagetsi regulator – izvi zvinobatsira chaizvo kuwedzera hupenyu hwekushanda kwemidziyo.

Matrix mechanical kukuvara

Kazhinji kazhinji inoratidzika senzvimbo dema yakatenderera paTV skrini ine mipendero isina kuenzana.

Inoitika kunyangwe mushure mekurova zvinyoro kune matrix kana TV kesi!

Inoratidza dunhu rakavhurika rinopa imwe yemvura yekristaro zones. Hazvibviri kugadzirisa kuputsika kwakadaro. Panewo nguva dzose njodzi yokuti mavara akadaro achawedzera muhukuru nekufamba kwenguva. Ndiko kuti, pamwe nemukana we95%, iyo matrix ichakurumidza kusashanda. Izvo zvinofanirwa kucherechedzwa kuti kushandisa TV ine yakakuvadzwa mekiniki yakakuvadzwa matrix haisi zano rakanaka. Pane mukana wekuti kune pfupi pfupi pakati pemasekete ekupa matrix, izvo zvinozotungamira mukukundikana kweiyo inverter, kana kunyange GPU. Kugadzirisa kuputsika kwakadaro hakushandi. Kureva, mune ramangwana uchafanira kutenga TV itsva kutsiva yekare.

Kukundikana kweiyo backlight mechanism

Kune 2 misiyano yekuparara kwakadaro:

1. Kukundikana kwe LED pachayo . Ndiko kuti, iyo semiconductor iyo inosanganisira, corny yakatsva. Hazvibviri kutsiva, munzvimbo dzebasa vanopa chete kutsiva kwakazara kwese LED-backlight mitsetse. Asi iyi inzira isingadhure.
2. Kukundikana kweiyo inverter, iyo ine basa rekupa ikozvino kune backlight . Muchiitiko ichi, LED inogona kutanga isingashande mune imwe nzvimbo (somuenzaniso, mukona yepamusoro kuruboshwe). Asi mune ramangwana, dzimwe nzvimbo dzekuvhenekesa zvechokwadi dzichabviswa-simba.

Inotaridzika kunge nzvimbo yakasviba ine halo inoenderana pane yakasarudzika nzvimbo ine rima. Asi panguva imwe chete, kana iwe ukavhenekera tochi ine simba pane yakasviba chikamu, iwe unozoona kuti mufananidzo unoratidzwa kazhinji pane yemvura crystal matrix. Hazvina kuvheneka chete. Haufanire kuita chimwe chinhu uri wega, zviri nani kubata nzvimbo yebasa yakatenderwa kuti ubatsirwe nekukurumidza. Izvo zvinofanirwa kucherechedzwa kuti kana iyo backlight yakakuvadzwa, inogona nguva nenguva kupora pachayo. Asi izvi ndezvenguva pfupi. Icho chingori chisimbiso chekuwedzera chekuti pane kutyorwa mumasekete ekupa e LED mitsetse.

Kuparadzira layer kukakanganisika

Kubva mukati, iyo yepurasitiki kesi yeTV kumashure inonamirwa pamusoro neiyo yakakosha yekuparadzira layer, inotaridzika yakafanana neyakajairika simbi foil. Iyo ine basa rekuratidzira mwenje unoirova kubva ku LED backlight, pamwe nekubva kune polarization layer (inoratidza mwenje uchiwira pairi). Uye kana chero nzvimbo dzinotapira, dzakakuvadzwa, dzinosvuura dzikaumba pane yekuparadzira layer, zvino izvi zvinongotaridzika senge rima pahwindo. Nenzira, kazhinji kukanganisa kwakadaro kunooneka mushure mokunge matrix yagadziriswa munzvimbo dzisina kubvumirwa. Nekuti ipapo iyo yekuparadzira layer inonamirwa nemaoko, ndiko kuti, hazvigoneke kuwana zvachose kutsetseka uye kusavapo kwemabhendi uye kupeta. Munzvimbo dzebasa dzakatenderwa, sekutonga, chivharo chese chemashure chinotsiviwa, pane iyo yekuparadzira layer inoshandiswa kunyange mufekitari. Saizvozvo, mukana wehurombo-ugadziriso hwekugadzirisa wakaiswa zvachose.

Delamination yefirimu yepolarizing

Aya mavara akasviba paTV skrini anogona kutora chero chimiro. Kazhinji kazhinji – iwo akakomberedzwa, ane mipendero yakaenzana, pamwe nemitsara. Asi nekumanikidza kushoma, chifananidzo chinogona kuve chakajairika kwenguva pfupi, sekunge nematrix anoshanda zvizere. Inoratidza kuti iyo polarizing firimu yakasvuuka. Uye izvi zvinoitika kungave nekuda kwekukuvadzwa kwemichina, kana nekuda kwekushandiswa kwehasha zvigadzirwa zvekuchenesa kupukuta TV skrini. Zvishoma kazhinji – nekuda kwemuchato wefekitari. MumaTV ekare, pakanga pachine dambudziko apo polarizing firimu delamination yakaitika nekuda kwekupisa kwematrix. Nekuda kwekupisa kwakanyanya, glue rakangonyungudika! Izvi zvinowanzoitika nekuda kwekuti TV inoiswa pedyo nemadziro kana heaters (uye haina kutonhora zvakanaka). Kuzvigadzirisa iwe pachako hazvibviri.

Vhidhiyo chip kukundikana

Imwe yezvisingawanzo uye panguva imwechete yakaoma kuputsika. Vhidhiyo chip kazhinji inokundikana nekuda kwekupisa kana kukanganiswa kwefekitori. Muchiitiko ichi, zvigadzirwa zvakasiyana-siyana, mavara emhando ipi zvayo anogona kuonekwa pachiratidziro. Asi hapana mufananidzo wakajairika kana graphical menyu inogona kuwanikwa chero nzira. Iyo TV inongopindura chete nekuibatidza nekudzima “kubva kune yekubuda”, nekuti mumaTV emazuva ano kunyangwe masaini kubva kune infrared transmitter anogadziriswawo neGPU. Kuparara uku kunobviswawo chete mumamiriro ezvinhu enzvimbo yebasa. Uye kune njodzi yekuti hazvizogoneke kugadzirisa iyo TV, sezvo maGPU machipi haawanikwe kune ese mamodheru (zvichienderana nemugadziri wemukati mutemo, pamwe nekuwanikwa kwezvipo zvekushandisa).

Zvimwe Zvikonzero ZveRima Spo pane Akasiyana TV Brands

Muchidimbu, zvikonzero zvemavara anenge ese maTV akafanana, sezvo chimiro chematrix uye musimboti wekuratidzira mufananidzo zvakafanana. Asi pane zvimwe zvishoma:

1. PaSamsung TVs ane matrices eAMOLED, mavara akasviba anogona kuratidza matrix “kutsva-mukati”. Iko hakuna kuvhenekera, sezvo pixel yega yega iri tekinoroji organic LED. Panguva imwecheteyo, mavara anotaridzika senge mushure (anowanzonzi “zvipoko”).
2. Nzvimbo dzakasviba pane LG TV skrini  dzimwe nguva mhedzisiro yesoftware glitch! Kunyanya, nekuda kwekutyorwa kweiyo AVI uye MPEG4 codec coding tekinoroji. Mumamiriro ezvinhu akadaro, banal firmware update inoshandisa yakavakirwa-mukati maturusi eTV pachayo inobatsira. Nedambudziko iri, mavara akasviba anoonekwa munzvimbo dzakasiyana pese paunobatidza, pasina chero cyclical order.

Zvaunogona kuita kumba kugadzirisa smudges uye kudzima pane yako smart TV

Muzviitiko zvisingawanzoitiki, mavara akasviba anonyangarika ega nekufamba kwenguva. Izvi zvinoitika kana zvikaonekwa nekuda kwekudonhedza kwepolarization layer nekudziya kushoma kwematrix. Asi izvi zvinenge 0.5% yezviitiko zvese. Mune mamwe mamiriro ezvinhu, kushanya kunzvimbo yebasa kunodiwa. Uye nekukurumidza, zviri nani. Ko njodzi yemavara inogona kuderedzwa sei? Mazano anotevera anofanira kuteverwa:

• nenzira ipi neipi inowanika yekuenzanisa kukuvara kwemagetsi kuTV (somuenzaniso, kana mumba mune vana vaduku, saka zviri nani kuisa TV pamadziro pakureba kweinenge 1.5 – 1.7 mamita);
• usaisa TV pedyo nemadziro (iyo shoma inodiwa indent, iyo inoratidzirwa nevagadziri mumirairo yavo, ndeye 15 centimita);
• usaisa kupenya kwakanyanya kweiyo backlight (muzviitiko zvakawanda izvi hazvidiwi, uye 50 – 70% yeyero inopenya yakasununguka kune vakawanda vanoona);
• batanidza TV kuburikidza nekunze voltage regulator (inoderedza mukana wekutadza kweiyo inverter uye graphics processor).

Saka, kana pane nzvimbo yakasviba paLCD TV skrini, zvino mhinduro yakanakisisa ndeyokutumira midziyo kune nzvimbo yebasa. Panguva imwecheteyo, tenzi anofanira kutsanangura pasi pemamiriro api chirema chakaonekwa, zviitiko zvipi zvakatangira izvi. Kana kutsiva kwakakwana kwematrix kuchidikanwa, zvino izvi zvinodhura anenge 30 – 70% yemutengo weTV itsva yakadaro (zvichienderana nemuenzaniso chaiwo). Kana dambudziko riri mu graphics processor, ipapo kutsiva kwayo kunodhura anenge 30 – 50% yemutengo weTV, asi tenzi haagari achikwanisa kuwana imwe nzvimbo.