Phenomena ịka nká nke Epoxy Encapsulated na mmetụta ha na arụmọrụ LED

 

LED (Light Emitting Diode), dị ka ụdị ọhụrụ nke arụmọrụ dị elu, nchekwa ike, na ìhè ndụ ogologo ndụ, etinyere ya n'ọtụtụ ebe dị ka ọkụ na ngosi. N'ihi arụmọrụ ngwa anya ya dị mma, arụmọrụ mkpuchi ọkụ eletrik na arụ ọrụ igwe, resin epoxy aghọwo ihe a na-ejikarị eme ihe maka ya. Epoxy encapsulated LED. Otú ọ dị, n'oge a na-eji ogologo oge eme ihe, epoxy resin ga-emerịrị ihe ngosi ịka nká, nke ga-enwe mmetụta dị ukwuu na arụmọrụ nke LEDs. Ime nyocha miri emi banyere ihe ndị merela agadi nke resin epoxy na mmetụta ha na arụmọrụ LED bụ ihe dị oke mkpa maka imeziwanye ogo na ntụkwasị obi nke ngwaahịa LED.

Ọdịdị na ụkpụrụ nke Epoxy Encapsulated LEDs

Ihe mgbawa LED bụ isi ihe dị n'ime ọkụ maka ọkụ ọkụ, na ọkụ ọ na-emepụta kwesịrị ka echekwa ya na kachasị mma site na ihe mkpuchi. A Epoxy encapsulated LED na-enwekarị mgbawa ikanam, electrodes, fremu nkwado na oyi akwa mkpuchi epoxy. The epoxy encapsulation oyi akwa bụghị nanị na-ekere òkè na-echebe mgbawa si mpụga gburugburu ebe obibi kamakwa nwere ike melite ngwa anya arụmọrụ nke LED, dị ka ịba ụba ọkụ mmịpụta arụmọrụ na agba agbanwe agbanwe.

 

Mmetụta ịka nká nke resin epoxy n'oge eji ogologo oge

(1) Ihe atụ ịka nká anya

1. Na-acha edo edo: N'oge a na-eji ogologo oge eme ihe, karịsịa n'okpuru ihe ndị dị ka ụzarị ultraviolet na okpomọkụ, resin epoxy ga-enweta ihe na-acha odo odo. Nke a bụ n'ihi na njikọ kemịkalụ dị n'ime mkpụrụ ndụ resin epoxy na-agbaji ma hazie ya, na-emepụta ụfọdụ ihe chromophoric, nke na-eme ka agba nke resin epoxy gbanwee odo odo. Yellowing ga-ebelata nnyefe ọkụ nke resin epoxy, na-emetụta arụmọrụ ọkụ na njirimara agba nke LED.
2. Mgbasa ọkụ na-abawanye: Ka ịka nká na-aga n'ihu, enwere ike ịmepụta obere mgbawa, afụ, ma ọ bụ ihe adịghị ọcha n'ime resin epoxy. Nrụrụ ndị a ga-eduga n'ịbawanye nke ịgbasa ọkụ na resin epoxy. Mmụba nke ịgbasa ọkụ ga-eme ka ọkụ na-enwu site na LED dị iche iche, na-ebelata ntụziaka na nchapụta nke ìhè.

(2) Mmetụta ịka nká anụ ahụ

1. Mbelata na Ike na Ike: Omume ogologo oge nke usoro ọkụ ọkụ, nrụgide n'ibu, wdg, ga-eme ka agbụ molekụla nke epoxy resin mee ka ọ dị jụụ ma gbajie, na-eme ka mbelata ike na ike ya. Mbelata nke ike na ike ga-ebelata ikike nchebe nke oyi akwa mkpuchi mkpuchi epoxy maka mgbawa LED, na-abawanye ohere nke ụwa dị n'èzí mebiri mgbawa ahụ.
2. Mgbanwe Akụkụ: The epoxy resin ga-agbasa na nkwekọrịta n'okpuru dị iche iche okpomọkụ na iru mmiri ọnọdụ. Mgbasa ọkụ na-adịte aka na mgbakwụnye okirikiri ga-eme ka nrụgide dị n'ime ya na oyi akwa mkpuchi mkpuchi epoxy, si otú a na-eduga ná mgbanwe mgbanwe. Mgbanwe akụkụ nwere ike ime ka oghere pụta na oghere dị n'etiti oyi akwa mkpuchi, mgbawa, na etiti nkwado, na-emetụta ọrụ eletrik na akara nke LED.

(3) Mmetụta ịka nká Chemical

1. Mmeghachi omume Hydrolysis: N'ebe dị iru mmiri, njikọ kemịkalụ dị ka ester bond na resin epoxy na-adịkarị mfe ịnweta mmeghachi omume hydrolysis. Mmeghachi omume hydrolysis ga-agbaji agbụ molekụla nke resin epoxy, na-ebelata ibu molekụla ya na arụmọrụ ya. Ihe acidic nke hydrolysis na-emepụta nwekwara ike imebi mgbawa LED na electrodes, na-emetụta ọrụ eletriki nke LED.
2. Mmeghachi omume Oxidation: The epoxy resin ga-enweta ihe oxidation mmeghachi omume n'okpuru omume nke elu okpomọkụ na oxygen, na-amụba ụfọdụ ọrụ dị iche iche dị ka carbonyl otu na carboxyl otu. Mmeghachi omume oxidation ga-agbanwe usoro kemịkalụ na arụ ọrụ nke resin epoxy, na-eme ka ọ dịkwuo nro na enweghị ntụkwasị obi.

 

Mmetụta nke Epoxy Resin Aging na arụmọrụ LED

(1) Mmetụta na arụmọrụ anya

1. Mbelata na arụmọrụ ọkụ: Ihe na-acha odo odo na ụbara ọkụ nke resin epoxy ga-eduga n'inwe ọkụ na-ekpo ọkụ ma gbasasịa, si otú ahụ na-ebelata ọkụ ọkụ na-esi na LED ma na-ebelata arụmọrụ ọkụ. Nnyocha na-egosi na mgbe agba odo nke resin epoxy siri ike, arụmọrụ ọkụ nke LED nwere ike ibelata karịa 10%.
2. Agba Drift: Ịka nká nke resin epoxy ga-agbanwe ntụgharị ya na àgwà mgbasa ozi maka ìhè nke dị iche iche nke ogologo oge, na-eme ka agba nke ìhè ọkụ na-agbapụ site na LED. Mfegharị agba ga-emetụta ịdị n'otu agba na izi ezi nke LED na ọkụ na ngwa ngosi.

(2) Mmetụta na arụ ọrụ eletrik

1. Mbelata na arụmọrụ mkpuchi eletrik: Mmeghachi omume ịka nká dị ka hydrolysis na oxidation nke resin epoxy ga-emepụta ụfọdụ ihe ionic n'ime ya, nke ga-ebelata ọrụ mkpuchi ọkụ eletrik nke resin epoxy. Mbelata nke arụmọrụ mkpuchi ọkụ eletrik nwere ike ibute ntapu n'etiti mgbawa LED na etiti nkwado, na-emetụta ọrụ nkịtị nke LED.
2. Mmụba na nguzogide kọntaktị: The akụkụ mgbanwe nke encapsulation oyi akwa na ọgbọ nke interface gaps mere site na ịka nká nke epoxy resin nwere ike iduga adịghị mma kọntaktị n'etiti mgbawa na electrodes, na-amụba kọntaktị iguzogide. Mmụba nke nguzogide kọntaktị agaghị eme ka ọ dịkwuo ike ọkụ nke LED mana ọ nwekwara ike ime ka mgbawa ọkụ na mpaghara, na-eme ka ịka nká nke LED dịkwuo elu.

(3) Mmetụta na arụmọrụ okpomọkụ

1. Mmebi nke arụmọrụ mkpofu ọkụ: Mgbe oge resin epoxy gasịrị, ụzọ ntụgharị okpomọkụ dị n'ime nwere ike imebi, na-ebute mbelata na conductivity thermal. Mbelata nke arụmọrụ ikpo ọkụ ọkụ ga-eme ka o sie ike maka ọkụ ọkụ nke ọkụ ọkụ LED na-eme ka ọ bụrụ nke ọma, na-amụba okpomọkụ nke mgbawa, ma si otú ahụ na-emetụta ọrụ ọkụ ọkụ na ndụ nke LED.
2. Mmụba na nrụgide okpomọkụ: Mgbanwe akụkụ na mbelata nke ike nke ịka nká nke resin epoxy ga-eme ka nrụgide okpomọkụ dị ukwuu na LED n'oge usoro okpomọkụ. Mmụba nke nrụgide okpomọkụ nwere ike iduga ọdịdị nke mgbawa ma ọ bụ delamination na oghere dị n'etiti mgbawa, etiti nkwado, na oyi akwa mkpuchi, na-emewanyewanye arụmọrụ nke LED.

 

Usoro mgbochi na mbelata maka ịka nká resin epoxy

(1) Na-ebuli usoro Epoxy Resin Formula

1. Ịgbakwunye ihe mgbochi ịka nká: Ịgbakwunye ihe mgbochi ịka nká dị ka ultraviolet absorbers, antioxidants, and anti-hydrolysis agents na epoxy resin nwere ike igbochi mmeghachi omume ịka nká nke resin epoxy. Dị ka ihe atụ, ịgbakwụnye ihe kwesịrị ekwesị nke ultraviolet absorbers nwere ike ibelata mmebi nke ụzarị ultraviolet na resin epoxy wee gbuo oge ihe omume nke odo.
2. Ịhọrọ onye nnọchi anya ọgwụgwọ kwesịrị ekwesị: Ndị ọrụ ọgwụgwọ dị iche iche ga-emetụta ogo ọgwụgwọ na arụmọrụ nke resin epoxy. Ịhọrọ onye na-agwọ ọrịa kwesịrị ekwesị nwere ike ịbawanye njupụta na nkwụsi ike nke resin epoxy ma kwalite ikike mgbochi ịka nká.

(2) Ịkwalite usoro ntinye akwụkwọ

1. Ịchịkwa Ọnọdụ Ngwọta: Ịchịkwa kpọmkwem okpomọkụ ọgwụgwọ, oge, na nrụgide, wdg, nke resin epoxy nwere ike hụ na a gwọọla resin epoxy nke ọma ma belata ọgbọ nke ntụpọ dị n'ime. Ọnọdụ ọgwụgwọ kachasị mma na-enyere aka ịkwalite ogo na arụmọrụ nke oyi akwa mkpuchi epoxy.
2. Ịkwalite Akara nke Encapsulation: Ịnabata usoro mkpuchi dị elu na ihe ntinye aka iji meziwanye akara nke LED encapsulation, na-egbochi ihe ndị dị na gburugburu ebe obibi dị ka mmiri na ikuku oxygen ịbanye na oyi akwa mkpuchi epoxy, si otú a na-ebelata ogo ịka nká nke resin epoxy.

(3) Na-ebuli gburugburu ojiji

1. Ịchịkwa okpomọkụ na iru mmiri: Gbalịa ịchịkwa okpomọkụ na iru mmiri nke ebe ọrụ LED na-arụ ọrụ n'ime ebe kwesịrị ekwesị, ma zere LED na-arụ ọrụ na ọnọdụ okpomọkụ na elu iru mmiri ruo ogologo oge. Enwere ike ịnakwere imewe ikposa ọkụ na ihe na-egosi mmiri iji melite gburugburu ojiji nke LED.
2. Mbelata Ultraviolet Irradiation: Na ngwa nke LED, gbalịa ibelata irradiation nke ultraviolet ụzarị na epoxy encapsulation oyi akwa. Dịka ọmụmaatụ, enwere ike ịgbakwunye akwa mkpuchi ultraviolet n'elu LED ma ọ bụ ihe mkpuchi nwere ike iji ihe mkpuchi ultraviolet mee ihe.

mmechi

N'oge eji ogologo oge, Epoxy encapsulated LED ga-enweta ihe dị iche iche ịka nká, gụnyere akụkụ anya, anụ ahụ na kemịkal. Ihe omume ịka nká ndị a ga-enwe mmetụta dị ukwuu na ngwa anya, ọkụ eletrik na arụ ọrụ ọkụ nke LEDs. Site na usoro dị ka ịkwalite usoro resin epoxy, imeziwanye usoro encapsulation, na ime ka gburugburu ebe obibi dị mma, ịka nká nke resin epoxy nwere ike igbochi ma belata nke ọma, na ntụkwasị obi na ndụ ọrụ nke LED nwere ike imeziwanye. N'ọdịnihu, na mmepe nke teknụzụ LED na-aga n'ihu, ihe ndị chọrọ ịrụ ọrụ maka ihe mkpuchi epoxy ga-adị elu ma dị elu. Ọ dị mkpa ime nyocha ọzọ dị omimi banyere usoro ịka nká na teknụzụ mgbochi ịka nká nke resin epoxy iji gboo mkpa mmepe nke ụlọ ọrụ LED. N'otu oge ahụ, ọ dịkwa mkpa iji wusie ike na nlekota ịka nká na nyocha nke ngwaahịa LED n'oge a na-eji ya eme ihe iji nye ihe ndabere ziri ezi maka njikwa àgwà na njikarịcha arụmọrụ nke ngwaahịa LED.

Maka ihe ndị ọzọ gbasara ịhọrọ ihe kacha mma ịka nká nke epoxy encapsulated na mmetụta ha na arụmọrụ LED, ị nwere ike ịga leta DeepMaterial na https://www.epoxyadhesiveglue.com/category/epoxy-adhesives-glue/ n'ihi na ihe Ama.