Hunhu hweEpoxy Resin Inoshandiswa kune LED Encapsulation uye Kufurira kweiyo Encapsulation Effect.

 

Nekuenderera mberi kwekuvandudza tekinoroji yeLED, mashandisiro ayo muminda yakadai semwenje uye kuratidza zviri kuwedzera kupararira. Epoxy resin, sechinhu chinowanzo shandiswa LED encapsulation zvinhu, zvinotora chinzvimbo chakakosha mu LED encapsulation nekuda kwekunaka kwayo kwakazara zvivakwa, senge yakakwira insulation, yakanaka transmittance yemwenje, uye yakakodzera mechani simba. Zvisinei, kushanda kwe epoxy resin kwakabatana zvikuru nezvikamu zvayo, uye zvikamu zvakasiyana-siyana zvinogona kukanganisa zvakanyanya encapsulation effect ye LEDs. Nokudaro, kutsvakurudza kwakadzama pamusoro pezvikamu uye maitiro epoxy resin pamwe chete nekukanganiswa kwezvikamu zvezvikamu pane encapsulation effect inokosha zvikuru.

Zvikamu Zvikuru uye Hunhu hweEpoxy Resin Inoshandiswa kune LED Encapsulation

Epoxy Resin Matrix

Epoxy resin ipolymer ine epoxy mapoka, ane yakanaka adhesion, insulation, uye kemikari corrosion resistance. In LED encapsulation, iyo inowanzoshandiswa epoxy resin ndeye bisphenol A mhando epoxy resin. Chimiro chayo che molecular ine mapoka maviri epoxy, ayo anogona kupinda muchinjika-yekubatanidza maitiro pasi pechiito cheanorapa agent kuti aumbe matatu-dimensional network chimiro. Hunhu hukuru hweepoxy resin matrix hunosanganisira:

1. Adhesion: Inogona kusungira zvakasimba LED chip uye zvimwe zvikamu zve encapsulation, zvichiita kuti kugadzikana kweiyo encapsulation chimiro.
2. kuputira: Iine high insulation resistance, iyo inogona kudzivirira zvinobudirira kuitika kwekubuda kwemagetsi uye kuvimbisa kushanda kwakachengeteka kwe LED.
3. Chemical Corrosion Resistance: Iine kumira zvakanaka kune zvakajairika makemikari zvinhu uye inogona kuchengetedza iyo LED chip kubva mukuora kwemakemikari.

Kurapa Agent

Iyo inorapa mumiriri chinhu chakakosha chinokonzeresa kuita kwemuchinjiko weiyo epoxy resin. Mishonga inorapa inowanzoshandiswa inosanganisira amine kuporesa, anhydride kuporesa, nezvimwewo. Mhando dzakasiyana dzemishonga ine maitiro akasiyana ekurapa uye maitiro ekuita.

1. Amine Kurapa Agents: Ivo vanoita ne epoxy resin nekukurumidza, uye chigadzirwa chakarapwa chine kuoma kwakanyanya uye simba. Zvisineyi, maamine anorapa maamine ane kushanduka kukuru, izvo zvine zvimwe zvinokanganisa hutano hwevashandisi.
2. Anhydride Curing Agents: Ivo vanoita ne epoxy resin zvishoma nezvishoma uye zvinoda kurapwa patembiricha yepamusoro. Chigadzirwa chakarapwa chine kunaka kwekudzivirira kupisa uye kuvharwa kwemagetsi, uye kushata kuri kudiki.

Filler

Iyo yekuzadza mu epoxy resin inonyanya kuita basa rekuvandudza mashandiro uye kuderedza mitengo. Anowanzo shandiswa mafirita anosanganisira silica, aluminium oxide, nezvimwe.

1. Silika: Iine kugadzikana kwakanaka kwemakemikari uye kuvhara, iyo inogona kuvandudza kuoma uye kupfeka kuramba kwe epoxy resin. Panguva imwecheteyo, kuwedzerwa kwesilica kunogonawo kuderedza shrinkage rate ye epoxy resin uye kuderedza kushungurudzika kunowanikwa panguva ye encapsulation process.
2. Aluminium oxide: Iine high thermal conductivity, iyo inogona kubudirira kuvandudza kupisa kwekupisa kushanda kwe epoxy resin. Mu LED encapsulation, yakanaka kupisa kupisa kuita kwakakosha pakuvandudza hupenyu hwesevhisi uye nekupenya kwe LEDs.

Additives

Zvinowedzera zvinosanganisira coupling agents, flame retardants, leveling agents, nezvimwewo, izvo zvinoita basa mukuvandudza zvinhu zvakati mu epoxy resin.

1. Coupling Agents: Vanogona kukwidziridza iyo interfacial bonding simba pakati peepoxy resin uye filler, kuvandudza mashandiro eiyo composite zvinhu.
2. Flame Retardants: Mune zvimwe zviitiko zvekushandisa apo kudzivirira moto kunodiwa, kuwedzerwa kwemurazvo retardants kunogona kuvandudza murazvo wemoto we epoxy resin.
3. Leveling Agents: Vanogona kuvandudza fluidity uye pamusoro flatness ye epoxy resin, zvichiita kuti pamusoro peiyo yakavharidzirwa LED iite zvakanaka uye kuvandudza kushanda kwemaziso.

 

Kupesvedzera kweDifferent Component Proportions pane iyo Encapsulation Effect

 

Kufurira paOptical Performance

1. Chikamu cheEpoxy Resin Matrix uye Kurapa Mumiririri: Zviyero zvakasiyana zvichakanganisa iyo refractive index uye kubuda pachena kwechigadzirwa chakarapwa. Kana chikamu cheepoxy resin matrix uye mumiririri wekurapa chakakodzera, chigadzirwa chakarapwa chine kujeka kwepamusoro uye yakakodzera refractive index, iyo inogona kunyatso fambisa uye kudzora mwenje uye kuvandudza kupenya kwe LED. Kana iyo chikamu chisina kukodzera, chigadzirwa chakarapwa chinogona kunge chine turbid kana kuve nerefractive index deviation, zvichikanganisa mashandiro eLED.
2. Filler Chikamu: Iyo yekuwedzera yekuzadza ichachinja iyo optical zvimiro zve epoxy resin. Semuenzaniso, kuwedzera kwe silica filler kuchachinja refractive index ye epoxy resin, zvichikanganisa nzira yekuparadzira yechiedza. Huwandu hwakakodzera hwesilica filler hunogona kuvandudza kufambiswa kwechiedza cheepoxy resin, asi kuwanda kwekuzadza kunogona kukonzera kuwedzera kwekupararira kwechiedza uye kudzikira kwekufambiswa kwechiedza. Kunyangwe basa guru realuminium oxide filler iri kuvandudza kupisa kwekupisa mashandiro, inozoitawo imwe mhedzisiro pakuita kwemaziso. Yakawandisa aluminium oxide filler inogona kuderedza kujeka kwe epoxy resin.
3. Additive Proportion: Kuwedzerwa kwezvimwe zvekuwedzera senge maajenti ekuyera anogona kuvandudza kupfava kwepamusoro kwe epoxy resin, kuderedza kupenya kwechiedza uye kuparadzira, uye kugadzirisa mashandiro emaziso. Kuwedzerwa kwezvidziviriro zvemoto zvinogona kuve nekamwe kukanganisa pakufambiswa kwechiedza cheepoxy resin, saka zvinodikanwa kuenzanisa kuita kwemoto kudzoreredza uye kuita kwemaziso.

 

Kufurira pane Thermal Performance

1. Chikamu cheEpoxy Resin Matrix uye Kurapa Mumiririri: Chikamu chakakodzera chinogona kuita kuti epoxy resin irape zvizere uye iite dense cross-linked structure, kuvandudza kugadzikana kwekupisa. Kana chikamu chacho chisina kukodzera, chinogona kutungamirira kukurapa kusina kukwana, nemapoka asina kugadziriswa akasara, nokudaro kuderedza kugadzikana kwekupisa uye kukanganisa kushanda kwekupisa kwe LED.
2. Filler Chikamu: Kuwedzerwa kweanopisa conductive mafirita akadai sealuminium oxide anogona kuvandudza zvakanyanya kupisa kweiyo epoxy resin. Sezvo chikamu chekuzadza chinowedzera, thermal conductivity zvishoma nezvishoma inowedzera. Nekudaro, kana chikamu chekuzadza chakanyanya kukwira, chinotungamira kune kushata kwemvura ye epoxy resin, iyo isingakodzeri pakuitwa kweiyo encapsulation process, uye inogona zvakare kukanganisa zvimwe zvivakwa. Naizvozvo, zvinodikanwa kuti usarudze chikamu chakakodzera chekuzadza kuti uwane yakanakisa kupisa kupisa mhedzisiro.
3. Additive Proportion: Kuwedzerwa kwemaajenti ekubatanidza kunogona kuwedzera simba rekubatana pakati peepoxy resin nekuzadza, kunatsiridza kupisa kwekuita basa. Zvimwe zvinowedzerwa zvinogona kuve nemhedzisiro pakuwedzera kwekupisa kweiyo epoxy resin, zvichikanganisa kugadzikana kweiyo LED munzvimbo dzakasiyana dzetembiricha.

 

Kufurira paMechanical Performance

1. Chikamu cheEpoxy Resin Matrix uye Kurapa Mumiririri: Kana chikamu chacho chakakodzera, chigadzirwa chakarapwa chine kuoma kwakanyanya, simba, uye kuoma. Kana paine epoxy resin matrix yakawandisa, chigadzirwa chakarapwa chinogona kunge chakapfava uye chisina simba rakakwana; nepo kana paine yakawandisa kurapa mumiririri, chigadzirwa chakarapwa chinogona kunge chakanyanya brittle uye chadzikisira kuoma.
2. Filler Chikamu: Huwandu hwakakodzera hwekuzadza hunogona kuvandudza kuomarara uye kupfeka kuramba kweiyo epoxy resin, asi kuwanda kwekuzadza kunoderedza kuoma kwe epoxy resin uye kuita kuti ive nyore kuputika. Semuenzaniso, kuwedzera kwe silica filler kunogona kuwedzera kuoma kwe epoxy resin, asi kana chikamu chekuzadza chakanyanya kukwira, brittleness yezvinhu inowedzera, uye inokuvara nyore kana ichiiswa kunze.
3. Additive Proportion: Coupling agents vanogona kuwedzera iyo interfacial bonding simba pakati pe epoxy resin ne filler, nekudaro vachivandudza ma mechanic properties yecomposite material. Iko kurudziro yezvinowedzera senge maajenti ekuyera pamichina zvimiro idiki, asi kana ikashandiswa zvisina kunaka, inogona kukanganisa kunaka kwekurapa kwe epoxy resin uye nekudaro kukanganisa ma mechanic properties.

mhedziso

Izvo zvakakosha zve epoxy resin inoshandiswa LED encapsulation sanganisira epoxy resin matrix, mushonga wekurapa, muzadzisi, uye zvinowedzera, nezvimwewo. Chikamu chimwe nechimwe chine maitiro akasiyana, uye zvinopindirana pamwe chete kuti zvionekwe kushanda kwe epoxy resin. Zvikamu zvakasiyana zvine chekuita kwakakura pane iyo LED encapsulation mhedzisiro maererano neoptical performance, thermal performance, uye mechanical performance. Kuti uwane yakanakisa encapsulation mhedzisiro, zvinodikanwa kunyatso kudzora zviyero zvechimwe nechimwe chikamu cheepoxy resin zvinoenderana nezvinodiwa zvekushandisa zve LED uye nekugonesa iyo encapsulation process. Mune ramangwana, nekuenderera mberi kwekuvandudza tekinoroji yeLED, zvinodiwa zvekushanda zveepoxy resin encapsulation zvinhu zvicharamba zvichiwedzera. Kuwedzera kutsvagisa kwakadzama pamusoro pezvikamu uye maitiro epoxy resin pamwe nekufurira kwechikamu chechikamu pane encapsulation athari yakakosha zvikuru mukusimudzira kusimudzira kweindasitiri yeLED. Panguva imwecheteyo, kuvandudzwa kwezvinhu zvitsva epoxy resin encapsulation uye optimization yekushanda kwezvinhu zviripo zvakare ndeimwe yenzira dzemangwana dzekutsvaga.