Iyo Nheyo yeSemiconductor LED Inoda Kunzwisiswa

Iyo light-emitting diode Inumgarnet (CE3: yag) kristaro inokuyiwa kuita upfu uye yakasanganiswa nayo mune dense adhesive. Kana iyo LED chip inoburitsa mwenje webhuruu, imwe Blu -ray inoshandurwa nekristaro iyi ine huwandu hwakawanda hwema spectral (anenge 580nm pakati peiyo spectrum). (Kutaura zvazviri, iyo YAG yeiyo imwechete crystal yakasanganiswa CE inoonekwa seinopenya kupfuura phosphorus.) Nekuti iyo yero mwenje inosimudzira tsvuku uye yakasvibira receptors mumaziso asina kupfeka, mwenje webhuruu we LED pachawo unoiita senge chena mwenje. Uye ruvara rwayo runowanzonzi “Mwedzi kuchena ”. Iyi nzira yekugadzira mwenje chena LED inogadzirwa neNichiacorporation uye yakatanga kugadzira chena mwenje LED muna 1996. Kana uchida kugadzirisa ruvara rwechiedza cheyero chekare, unogona kushandisa rumwe simbi yepasi richienzi kana kuti kutsiva (CE) yakabatanidzwa muCE3: yag, uye kunyange nzira yokutsiva mativi kana kuti aluminium yose muYAG kuzviita. Zvichienderana nehunhu hwehupamhi hwayo, zvitsvuku uye zvakasvibira zvinhu zvinotaridzika zvishoma pane izvo zvehupamhi -spectrum mwenje sosi pasi pekuratidzwa kwe LED. Pamusoro pezvo, nekuda kwekuchinja kwemamiriro ekugadzira, tembiricha yemavara echigadzirwa ichi chakapedzwa haina yunifomu, kubva pakudziya yero kusvika kublue inotonhora. Naizvozvo, mukugadzira nzira. Imwe chena -light LED nzira yakati fanane nemwenje wefluorescent. Iyo LED inoburitsa inenge ultraviolet mwenje ichapendwa nemisanganiswa miviri yephosphorous, imwe yakatsvuka uye yebhuruu mwenje, uye imwe girinhi mwenje. Mhangura nealuminium ine zinc sulfide (ZNS). Nekudaro, nekuti mwaranzi yeultraviolet inogona kuita epoxy resin kutsemuka uye kushatisa mune zvinonamira, kugadzira kwakanyanya kuoma uye hupenyu hupfupi. Kuenzaniswa neyokutanga nzira, ine yakaderera kunyatsoshanda uye inobereka kupisa kwakawanda (nokuti yaimbova STOKESSHIFT ine yakakura yekare), asi zvakanakira kuti maitiro eiyo spectrum ari nani. Nekuti iyo LED simba reUV mwenje wakakwira, kunyangwe kushanda kwacho kwakadzikira, kupenya kunobuda kwakafanana. Iyo yazvino nzira yekugadzira chena mwenje ma LED haashandise phosphorus mwenje muviri zvakare. Nzira itsva ndeyekukura zinc mu zinc -zinc (ZNSE) substrate. Kana yabatidzwa, nzvimbo yayo inoshanda inoburitsa mwenje webhuruu uye substrate inoshanduka yero, uye ichave chena mwenje kusanganisa.