OLED nwere ìhè nke ya nke na-enwu nke ọma, akụkụ ikiri ihe sara mbara, nzaghachi ngwa ngwa, obere oriri ike, enwere ike ime ka ngwaọrụ ngosipụta dị iche iche, a na-ewere ya dị ka ihe nnọchi anya teknụzụ kristal mmiri mmiri nke zuru oke maka ọgbọ teknụzụ ngosipụta na-esote. Akụkụ bụ isi nke ngosipụta OLED bụ obere-pikselụ ọ bụla nwere ikike nke ihe OLED na-ewepụta ìhè na-ewepụta ìhè. Nhazi bụ isi nke ihe OLED na-ewepụta ìhè gụnyere anode, cathode, na sandwiched n'etiti akwa ọrụ na-ewepụta ìhè, nke oyi akwa na-ewepụta ìhè Dịka ọrụ nke ihe OLED dị na ngwaọrụ na nhazi ngwaọrụ si dị, enwere ike ịmata ya dị ka oyi akwa ntinye oghere (HIL), oyi akwa njem oghere (HTL), oyi akwa na-ewepụta ìhè (EML) oyi akwa njem elektrọn (ETL), oyi akwa injection elektrọn (EIL) na ihe ndị ọzọ.
Na OLEDs, a na-eji akwa ntinye oghere na oyi akwa mbugharị oghere eme ka arụmọrụ nke oghere dịkwuo mma, ebe a na-eji oyi akwa ntinye elektrọn na oyi akwa mbugharị elektrọn eme ka arụmọrụ nke ntụtụ elektrọn dịkwuo mma. Ụfọdụ ihe ndị na-ewepụta ìhè n'onwe ha nwere ọrụ nke mbugharị oghere ma ọ bụ mbugharị elektrọn, nke a na-akpọkarị luminescent isi; oyi akwa ihe na-ewepụta ìhè n'ime obere ọnụọgụ agba fluorescent organic ma ọ bụ phosphorescent nwere ike ịnweta site na ahụ luminescent isi nke mbufe ike, site na ijide ihe na-ebu ma na-ewepụta agba dị iche nke ìhè, a na-akpọkarị ihe na-ewepụta ìhè doped dị ka ahụ luminescent ọbịa ma ọ bụ ahụ na-ewepụta ìhè doped.
2. Ụkpụrụ Ndị Dị Mkpa nke Mwepụ Ọkụ Ngwaọrụ OLED
A na-etinye voltaji na ngwaọrụ OLED, a na-etinyekwa oghere na elektrọn n'ime oyi akwa OLED site na anode na kathode nke ngwaọrụ ahụ, n'otu n'otu. Oghere na elektrọn dị na ihe na-ewepụta ìhè organic na-agwakọta ma na-ewepụta ike, na mbufe ike ọzọ na-ebufe molekul ihe na-ewepụta ìhè organic, ka ha wee nwee obi ụtọ na ọnọdụ obi ụtọ, wee nweta exciton site na ọnọdụ obi ụtọ laghachi na ọnọdụ ala, ike dị n'ụdị ntọhapụ, wee mechaa nweta electroluminescence nke ngwaọrụ OLED.
N'ozuzu, ihe nkiri dị na OLED nwere ihe nkiri elektrọd na-eduzi na oyi akwa ọ bụla nke ihe mkpuchi ọkụ organic. Ugbu a, a na-eji teknụzụ mgbochi njikwa magnetik akwadebe anode nke ngwaọrụ OLED ndị nwetara mmepụta buru ibu. A na-ejikarị ikuku ikuku ekpochapụ cathode na oyi akwa luminescent organic.
——E bipụtara akụkọ a site n'aka onyeigwe mkpuchi ikukuGuangdong Zhenhua
Oge ozi: Sep-22-2023