CHII CHINONZI LED?

LED ipfupi yeChiedza Emitting Diode.Iyo LED inoburitsa mwenje semhedzisiro yemagetsi luminescence.Iyo inozivikanwawo se "chiedza chinotonhora" sezvo, kusiyana nekare-kare incandescent bulbs, chiedza hachibudiswi nekupisa simbi filament.Iyo diode, kune rumwe rutivi, inoburitsa mwenje kana ichiyerera nepakati pemaviri akashongedzwa nesilicon semiconductors.Ndiyo imwe yenzira dzinoshanda-simba uye dzinochengetedza simba kugadzira chiedza.

Iyo LED ine zvinhu zvakasimba zvisina zvikamu zvinofambiswa uye inowanzo umbwa kuita mapurasitiki akajeka.Izvi zvinovimbisa kusimba kwepamusoro.Kana LED yakabatidzwa, inoburitsa inenge zero kupisa.Izvi zvinoderedza dambudziko rekutonhodza zvikamu zvemagetsi.

Iyo yekutanga LED yakagadzirwa nemuumbi weRussia Oleg Losev muna 1927. Kwemakore akawanda, zvaive zvichikwanisika chete kubudisa infrared, tsvuku uye yellow LEDs.Aya madhiodhi aiwanikwa mune zvese kubva pazvinodzora kure kusvika kumawachi redhiyo.

Yakanga isati yasvika muna 1994 apo musayendisiti wechiJapan Shuji Nakamura akakwanisa kuratidza LED yebhuruu inoshanda.Ma LED machena uye akasvibira akatevera nekukurumidza, achiisa hwaro hweiyo LED shanduko yatakaona mukuvheneka uye kuratidza tekinoroji.

KURATIDZWA KWELED KUNOSHANDA SEI?

Chiratidziro che LED chine akawanda ari pedyo-akatarisana ma LED.Nekusiyanisa kupenya kwe LED yega yega, madhiodhi akabatana anoumba mufananidzo pachiratidziro.

Kuti ugadzire mufananidzo wemuvara wakajeka, mitemo yekuwedzera kusanganiswa kwemavara inoshandiswa, iyo mitsva mitsva inogadzirwa nekusanganisa chiedza mumarudzi akasiyana.Chiratidziro che LED chine tsvuku, girini uye bhuruu maLED akaiswa pateni yakatarwa.Aya mavara matatu anobatana kuita pixel.Nokugadzirisa kusimba kwema diode, mabhiriyoni emavara anogona kuumbwa.Kana iwe ukatarisa iyo LED skrini kubva kune imwe chinhambwe, ruzhinji rwemavara pixels runoonekwa semufananidzo.

CHII RGB?

RGB ipfupi yeRed, Green uye Blue.Icho chinyorwa chemavara chinoshandisa chokwadi chokuti mavara ose anoonekainogona kusanganiswa kubva kune izvi zvitatu zvakakoshamavara.Inoshandiswa munenge marudzi ese ezviratidziro, kusanganisira maratidziro e LED.

CHII CHINONZI SMD?

SMD zvinoreva Surface Mount Device.Izvi zvikamu zvemagetsi zvakasimudzwa zvakananga pabhodhi redunhu rakadhindwa - uye kwete sepakutanga nekutengesa pini yesimbi pazasi pebhodhi redunhu.

Mu LED kuratidza tekinoroji, iyo SMD pfungwa inoshandiswa zvishoma zvakasiyana.Chiratidziro cheSMD chiratidziro che LED uko dzvuku, girini uye bhuruu diode akaiswa mudiki purasitiki encapsulation iyo inoiswa pamusoro yakaiswa pamabhodhi edunhu akadhindwa echiratidziro.Kana madhidhiyo akaputirwa nenzira iyi, anotora nzvimbo shoma shoma, zvichiita kuti zvikwanise kuburitsa zviratidziro zvine nzvimbo shoma pakati pemadhiyodhi uye yakakwirira resolution.

INOSHANDISA SIMBA RAKADII KURATIDZO WELED?

LED ndiyo tekinoroji inoshanda-inoshanda zvakanyanya, nekudaro kushandiswa kwakapararira kwesimba rekuchengetedza magetsi magirobhu nhasi.Kuwanda kwesimba madhiodhi mukushandiswa kwe LED kunoenderana nerudzi rwekuratidzira, kupenya uye kushandiswa.

Kune akawanda akasiyana marudzi e LED uye anoratidza.Iko kushandiswa kwesimba kwekuratidzira kwemukati, semuenzaniso, kuchave kwakasiyana nekunze kwedhijitari chiratidzo, iyo inofanirwa kuonekwa muchiedza chezuva.Kupenya kwechiratidziro zvakare chinhu chikuru.Mifananidzo yacho inofanira kunge yakajeka, asi chiedza chinobva kuchiratidziro hachifanire kupenya.Chiratidziro chekunze che LED chinoda kupenya zvakanyanya masikati pane kana rima radonha.

Izvo zvinoratidzwa zvine zvazvinoita.Ma LED anoratidza mifananidzo nekubatidza nekugadzirisa kupenya kwema diode ane mavara.Mufananidzo chena chose une mavara matema uchada mamwe akawanda akavhenekerwa - uye simba rakawanda - kupfuura mavara machena pane nhema kumashure.

KURATIDZWA KWELED INOGARA KWENGUVA GANI?

Zvakaoma kutaura chero chinhu chakanangana nehupenyu hwechiratidziro che LED sezvo zvinhu zvakawanda zvinouya mukutamba.Nekudaro, nekugadzirisa kwakakodzera, kuratidzwa kunogona kugara kweanopfuura makore gumi.Sezvinei nemhando dzese dzemagetsi, tarisiro yehupenyu inobatwawo nekushandiswa kwezuva nezuva uye nharaunda yakatenderedza kuratidzwa.Mifananidzo yakareruka uye kupenya kwepamusoro kunonyanya kupfeka pachiratidziro pane mifananidzo yakasviba uye kuderera kwechiedza.Zvinhu zvakadai sekunyorova uye munyu uri mumhepo zvinogonawo kupinda mukati.

Mukufamba kwehupenyu hwechiratidziro che LED, mwenje unobuda kubva kumadhiodhi uchadzikira.Nehuwandu hunoenderana nerudzi uye chizvarwa che diode.Mazhinji ma LED maratidziro haambo shandisa iwo akazara mwenje kusimba, saka kudzikisira hakuzowanzo kuve dambudziko.

CHII CHINONZI PIXEL PITCH UYE RATIDZO RESOLUTION?

Chinhambwe chiri pakati pemadhiodhi echiratidziro che LED chinotarisa kugadzirisa kwechiratidziro.Nhambwe yepakati peboka revavakidzani inoyerwa kubva pakati peboka rega rega remadhidhiyo matsvuku, egirinhi uye ebhuruu.Iyi chinhambwe inozivikanwa sepixel pitch.Boka rega rega rema diode rinoumba pixel.

Kana chiratidziro che LED chine pikseli pitch ye 1 cm, panogona kunge paine 100 x 100 pixels pa square metre yekuratidzira.Kugadziriswa kwechiratidziro kunopiwa sembiri yenhamba dzinoratidza hupamhi uye urefu mumapikisi.Kana iwe uine 6 x 8-mita skrini ine 1 cm mupixel pitch, ine resolution ye600 x 800 pixels.

Kune ma LED skrini ane pixel pitch yechero kupi kubva akati wandei masendimita kusvika kune imwe mirimita.

NDECHIPI CHISARUDZO CHANDICHASARUDZA?

Sarudzo yaunoda yeratidziro ye LED inoenderana nekureba kwekuona.Vateereri vako vachange vachiona chiratidziro chacho vari kure kupi?Kana iwe uri padyo neakadzika-resolution LED kuratidza (kure pakati pema diode), zvichave zvakaoma kuona zviri pachiratidziro.

Iko kunowanzo kuwirirana pakati pekuratidzira kugadzirisa uye mutengo.Iyo yakakwirira yekugadzirisa, iyo yakawanda diodes iripo pa m2 - uye naizvozvo yakakwira m2 mutengo.

Kana iwe uri kuisa chiratidzo chedhijitari nemugwagwa mukuru kana pane facade yechivako, ichaonekwa kubva kune imwe nzvimbo.Pano, kuratidzwa kwepamusoro-soro kungave kusina kufanira - uye kudhura zvisingakoshi.Kana chiri chiratidziro chiri pauriri hwepakati pakati pechitoro chedhipatimendi, vateereri vachaswedera pedyo zvikuru nacho.Pano, high-resolution display inoshanda zvakanyanya.

Mutemo wakanaka wechigunwe wezviratidziro zve LED ndewe: 1 mm pixel pitch yemamita yega yega yekuona chinhambwe.