OLED nwere nchapụta ya dị elu nke na-enwu ọkụ, akụkụ nlele sara mbara, nzaghachi ngwa ngwa, ike dị ala, yana enwere ike ịme ngwaọrụ ngosi na-agbanwe agbanwe, a na-ewere ya iji dochie teknụzụ kristal mmiri dị mma maka ọgbọ ọzọ nke teknụzụ ngosi. akụkụ bụ isi nke ihe ngosi OLED bụ sub-pixel nke ọ bụla nwere ikike nke na-eme ka ihe na-eme ka ọkụ na-enwu OLED. ihe owuwu bụ isi nke OLED ìhè-emitting element na-agụnye anode, cathode, na sandwiched n'etiti ọkụ-emitting arụ ọrụ oyi akwa, nke ìhè-emitting oyi akwa Dị ka ọrụ nke OLED ihe na ngwaọrụ na ngwaọrụ Ọdịdị, nwere ike dị iche dị ka oghere injection Layer (HIL), oghere transport Layer (HTL), ìhè-emitting oyi akwa (EML) electron transport Layer (ETL), electron ọzọ oyi akwa oyi akwa (ETL).
N'ime OLEDs, a na-eji oyi akwa injection oghere na oghere mbufe oghere iji kwalite arụmọrụ nke oghere, ebe a na-eji oyi akwa injection elektrọn na akwa akwa elektrọn na-ebuli arụmọrụ nke electrons. Ụfọdụ n'ime ihe ndị na-enye ọkụ n'onwe ha nwere ọrụ nke njem oghere ma ọ bụ njem eletrik, nke a na-akpọkarị isi luminescent; ihe oyi akwa na-eme ka ìhè na-egbuke egbuke n'ime obere ego nke doped organic fluorescent ma ọ bụ phosphorescent dyes nwere ike ịnata site na isi luminescent ahụ nke nnyefe ume, na site na ụgbọelu na-ebufe ma na-agbapụta agba dị iche iche nke ìhè, a na-akpọkarị ihe na-emepụta ihe na-egbuke egbuke dị ka onye ọbịa luminescent ma ọ bụ doped ìhè-emitting body.
2. Ụkpụrụ bụ isi nke OLED Light Emission
A na-etinye voltaji na ngwaọrụ OLED, a na-agbanye oghere na electrons n'ime oyi akwa OLED site na anode na cathode nke ngwaọrụ ahụ, n'otu n'otu. The oghere na electrons na organic ìhè-emitting ihe mejupụtara na-ahapụ ike, na n'ihu ike nyefe organic ìhè-emitting ihe ụmụ irighiri ihe, nke mere na ha nwere obi ụtọ na ọnọdụ obi ụtọ, na mgbe ahụ exciton si obi ụtọ ala azụ ala ala, ike n'ụdị ntọhapụ, na n'ikpeazụ na-aghọta na electroluminescence nke OLED ngwaọrụ.
N'ikwu okwu n'ozuzu, ihe nkiri ahụ dị na OLED na-agụnye ihe nkiri electrode na-eduzi na oyi akwa ọ bụla nke ihe na-eme ka ọkụ na-egbuke egbuke. Ka ọ dị ugbu a, a na-akwadokarị anodes nke ngwaọrụ OLED nke rụpụtagoro mmepụta oke site na iji teknụzụ mbelata ihe ndọta. Cathodes na organic luminescent n'ígwé na-emekarị akwadebe site agụụ evaporation.
——Ọ bụ ya wepụtara isiokwu aigwe mkpuchi ikukuGuangdong Zhenhua
Oge nzipu: Sep-22-2023