TW202108741A - 有機電致發光材料及裝置 - Google Patents

有機電致發光材料及裝置 Download PDF

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TW202108741A
TW202108741A TW109133695A TW109133695A TW202108741A TW 202108741 A TW202108741 A TW 202108741A TW 109133695 A TW109133695 A TW 109133695A TW 109133695 A TW109133695 A TW 109133695A TW 202108741 A TW202108741 A TW 202108741A
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皮瑞-路克 T 博瑞奧雷
哈維 溫特
傳軍 夏
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美商環球展覽公司
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Abstract

本發明揭示含有在吡啶或嘧啶環上稠合、與部分氟化之側鏈組合的五員環之用於金屬錯合物的新穎配位體,其展現改良之外部量子效率及壽命。

Description

有機電致發光材料及裝置
本發明係關於適用作發射體之化合物;及包括其之裝置,諸如有機發光二極體。
出於若干原因,利用有機材料之光學電子裝置變得愈來愈受歡迎。用以製造該等裝置之材料中之許多材料相對便宜,因此有機光學電子裝置具有獲得相對於無機裝置之成本優勢之潛力。另外,有機材料之固有性質(諸如其可撓性)可使其非常適合具體應用,諸如在可撓性基板上之製造。有機光學電子裝置之實例包括有機發光二極體/裝置(OLED)、有機光電電晶體、有機光伏打電池及有機光偵測器。對於OLED,有機材料可具有相對於習知材料之效能優點。舉例而言,有機發射層發射光之波長通常可容易地用適當摻雜劑來調整。 OLED利用有機薄膜,其在電壓施加於裝置上時發射光。OLED正變為用於諸如平板顯示器、照明及背光應用中之愈來愈引人注目的技術。美國專利第5,844,363號、第6,303,238號及第5,707,745號中描述若干OLED材料及組態,該等專利以全文引用的方式併入本文中。 磷光性發射分子之一個應用為全色顯示器。用於此顯示器之行業標準需要適於發射具體色彩(稱為「飽和」色彩)之像素。具體地說,此等標準需要飽和紅色、綠色及藍色像素。或者,OLED可經設計以發射白光。在習知液晶顯示器中,使用吸收濾光器濾過來自白色背光之發射以產生紅色、綠色及藍色發射。相同技術亦可用於OLED。白色OLED可為單EML裝置或堆迭結構。可使用此項技術中所熟知的CIE座標來量測色彩。 綠色發射分子之一個實例為三(2-苯基吡啶)銥、表示為Ir(ppy)3 ,其具有以下結構:
Figure 02_image003
在此圖及本文後面之圖中,將自氮至金屬(此處,Ir)之配價鍵描繪為直線。 如本文所用,術語「有機」包括聚合材料以及小分子有機材料,其可用以製造有機光學電子裝置。「小分子」系指不為聚合物之任何有機材料,且「小分子」可能實際上相當大。在一些情況下,小分子可包括重複單元。舉例而言,使用長鏈烷基作為取代基不會將分子自「小分子」類別中移除。小分子亦可併入至聚合物中,例如作為聚合物主鏈上之側基或作為主鏈之一部分。小分子亦可充當樹枝狀聚合物之核心部分,該樹枝狀聚合物由建立在核心部分上之一系列化學殼層組成。樹枝狀聚合物之核心部分可為螢光或磷光小分子發射體。樹枝狀聚合物可為「小分子」,且據信當前在OLED領域中使用之所有樹枝狀聚合物均為小分子。 如本文所用,「頂部」意指離基板最遠,而「底部」意指離基板最近。在將第一層描述為「安置」在第二層「上」之情況下,第一層安置為距基板較遠。除非規定第一層「與」第二層「接觸」,否則第一與第二層之間可存在其他層。舉例而言,即使陰極及陽極之間存在各種有機層,仍可將陰極描述為「安置在」陽極「上」。 如本文所用,「溶液可處理」意指能夠以溶液或懸浮液之形式在液體介質中溶解、分散或傳輸及/或自液體介質沈積。 當據信配位體直接促成發射材料之光敏性質時,配位體可稱為「光敏性的」。當據信配位體並不促成發射材料之光敏性質時,配位體可稱為「輔助性的」,但輔助性的配位體可改變光敏性的配位體之性質。 如本文所用,且如熟習此項技術者一般將理解,若第一能階較接近真空能階,則第一「最高佔用分子軌道」(HOMO)或「最低未佔用分子軌道」(LUMO)能階「大於」或「高於」第二HOMO或LUMO能階。由於將電離電位(IP)量測為相對於真空能階之負能量,因此較高HOMO能階對應於具有較小絕對值之IP(負得較少之IP)。類似地,較高LUMO能階對應於具有較小絕對值之電子親和性(EA)(負得較少之EA)。在習知能階圖上,真空能階在頂部,材料之LUMO能階高於同一材料之HOMO能階。「較高」HOMO或LUMO能階表現為比「較低」HOMO或LUMO能階靠近此圖之頂部。 如本文所用,且如熟習此項技術者一般將理解,若第一功函數具有較高絕對值,則第一功函數「大於」或「高於」第二功函數。因為通常將功函數量測為相對於真空能階之負數,因此此意指「較高」功函數負得較多。在習知能階圖上,真空能階在頂部,將「較高」功函數說明為在向下方向上距真空能階較遠。因此,HOMO及LUMO能階之定義遵循與功函數不同之慣例。 可在以全文引用的方式併入本文中之美國專利第7,279,704號中找到關於OLED及上文所述之定義之更多細節。
根據本發明之一些實施例,揭示一種化合物,其包含式I之配位體LA
Figure 02_image001
; 其中環A為5員或6員碳環或雜環; 其中R稠合至環B且具有式II之結構:
Figure 02_image006
式II; 其中波形線表示與環B之鍵; 其中R1 表示單取代基、二取代基、三取代基或四取代基或無取代基; 其中R2 表示單取代基或二取代基或無取代基; 其中X1 、X2 、X3 及X4 各自獨立地為碳或氮; 其中至少兩個相鄰的X1 、X2 、X3 及X4 為碳且稠合至R; 其中X選自由以下組成之群:BR'、NR'、PR'、O、S、Se、C=O、S=O、SO2 、CR'R"、SiR'R"及GeR'R"; 其中R1 、R2 、R3 、R4 、R'及R"各自獨立地選自由以下組成之群:氫、氘、鹵素、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽烷基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合;且其中任兩個相鄰取代基視情況連接以形成環; 其中R3 及R4 中之至少一者包含選自由以下組成之群的化學基團:烷基、環烷基、部分氟化之烷基、部分氟化之環烷基及其組合; 其中該配位體LA 配位至金屬M; 其中該配位體LA 視情況與其他配位體鍵聯以包含三齒、四齒、五齒或六齒配位體;且 其中M視情況配位至其他配位體。 根據一些實施例,揭示一種第一OLED,其包含陽極、陰極及安置於該陽極與該陰極之間的有機層,該有機層包括包含式I之配位體LA 的化合物。 根據一些實施例,亦揭示一種調配物,其包括包含式I之配位體LA 的化合物。
相關申請案之交叉引用 本申請案為非臨時美國專利申請案,根據35 U.S.C. § 119(e)(1)主張2015年5月15日申請之美國專利申請案第62/161,948號之優先權,該美國專利申請案之全部內容以引用的方式併入本文中。聯合研究協議之各方 所主張之本發明由達成聯合大學公司研究協議之以下各方中的一或多者,以以下各方中之一或多者的名義及/或結合以下各方中之一或多者而作出:密歇根大學董事會、普林斯頓大學、南加州大學及環宇顯示器公司(Universal Display Corporation)。該協議在作出所主張之本發明的日期當天及之前即生效,且所主張之本發明因在該協議之範疇內進行的活動而作出。 一般而言,OLED包含安置在陽極與陰極之間且電連接至陽極及陰極之至少一個有機層。當施加電流時,陽極注入電洞且陰極注入電子至有機層中。所注入之電洞及電子各自朝帶相反電荷之電極遷移。當電子及電洞侷限於同一分子上時,形成「激子」,其為具有激發能量狀態之局部化電子-電洞對。當激子經由光電發射機制弛豫時,發射光。在一些情況下,激子可侷限於激元或激態複合物上。非輻射機制(諸如熱弛豫)亦可能發生,但通常視為不合需要的。 最初之OLED使用自單態發射光(「螢光」)之發射分子,如例如美國專利第4,769,292號中所揭示,該專利以全文引用的方式併入。螢光發射通常在小於10奈秒之時間範圍中發生。 最近,已論證具有自三重態發射光(「磷光」)之發射材料的OLED。Baldo等人之「Highly Efficient Phosphorescent Emission from Organic Electroluminescent Devices」, Nature, 第395卷, 第151-154頁, 1998;(「Baldo-I」)及Baldo等人之「Very high-efficiency green organic light-emitting devices based on electrophosphorescence」, Appl. Phys. Lett., 第75卷, 第3期, 第4-6頁 (1999) (「Baldo-II」)以全文引用的方式併入。以引用的方式併入之美國專利第7,279,704號第5-6欄中更詳細地描述磷光。 圖1展示有機發光裝置100。圖不一定按比例繪製。裝置100可包括基板110、陽極115、電洞注入層120、電洞傳輸層125、電子阻擋層130、發射層135、電洞阻擋層140、電子傳輸層145、電子注入層150、保護層155、陰極160及障壁層170。陰極160為具有第一導電層162及第二導電層164之複合陰極。裝置100可藉由依序沈積所描述之層來製造。在以引用的方式併入之US 7,279,704之第6-10欄中更詳細地描述此等各種層以及實例材料之性質及功能。 此等層中之每一者有更多實例。舉例而言,以全文引用的方式併入之美國專利第5,844,363號中揭示可撓性且透明之基板-陽極組合。經p摻雜之電洞傳輸層之實例為以50:1之莫耳比率摻雜有F4 -TCNQ之m-MTDATA,如以全文引用的方式併入之美國專利申請公開案第2003/0230980號中所揭示。以全文引用的方式併入之頒予Thompson等人之美國專利第6,303,238號中揭示發射材料及主體材料之實例。經n摻雜之電子傳輸層之實例為以1:1之莫耳比率摻雜有Li之BPhen,如以全文引用的方式併入之美國專利申請公開案第2003/0230980號中所揭示。以全文引用的方式併入之美國專利第5,703,436號及第5,707,745號揭示陰極之實例,其包括具有諸如Mg:Ag等金屬薄層與上覆之透明、導電、經濺鍍沈積之ITO層的複合陰極。以全文引用的方式併入之美國專利第6,097,147號及美國專利申請公開案第2003/0230980號中更詳細地描述阻擋層之原理及使用。以全文引用的方式併入之美國專利申請公開案第2004/0174116號中提供注入層之實例。可在以全文引用的方式併入之美國專利申請公開案第2004/0174116號中找到保護層之描述。 圖2展示倒轉的OLED 200。該裝置包括基板210、陰極215、發射層220、電洞傳輸層225及陽極230。裝置200可藉由依序沈積所描述之層來製造。因為最常見OLED組態具有安置在陽極上之陰極,且裝置200具有安置在陽極230下之陰極215,所以裝置200可稱為「倒轉」OLED。在裝置200之對應層中,可使用與關於裝置100所描述之材料類似之材料。圖2提供可如何自裝置100之結構省略一些層之一個實例。 圖1及2中所說明之簡單分層結構作為非限制實例而提供,且應理解,可結合各種各樣的其他結構使用本發明之實施例。所描述之具體材料及結構本質上為例示性的,且可使用其他材料及結構。可基於設計、效能及成本因素,藉由以不同方式組合所描述之各個層來實現功能性OLED,或可完全省略若干層。亦可包括未具體描述之其他層。可使用不同於具體描述之材料的材料。儘管本文所提供之實例中之許多實例將各種層描述為包含單一材料,但應理解,可使用材料之組合(諸如主體與摻雜劑之混合物)或更一般而言,混合物。此外,該等層可具有各種子層。本文中給予各個層之名稱不意欲具有嚴格限制性。舉例而言,在裝置200中,電洞傳輸層225傳輸電洞且將電洞注入至發射層220中,且可描述為電洞傳輸層或電洞注入層。在一個實施例中,可將OLED描述為具有安置在陰極與陽極之間的「有機層」。此有機層可包含單個層,或可進一步包含如例如關於圖1及2所描述之不同有機材料之多個層。 亦可使用未具體描述之結構及材料,諸如包含聚合材料之OLED (PLED),諸如以全文引用的方式併入之頒予Friend等人之美國專利第5,247,190號中所揭示。作為另一實例,可使用具有單個有機層之OLED。OLED可堆迭,例如如以全文引用的方式併入之頒予Forrest等人之第5,707,745號中所描述。OLED結構可脫離圖1及2中所說明之簡單分層結構。舉例而言,基板可包括有角度之反射表面以改進輸出耦合(out-coupling),諸如如頒予Forrest等人之美國專利第6,091,195號中所述之台式結構,及/或如頒予Bulovic等人之美國專利第5,834,893號中所述之凹點結構,該等專利以全文引用的方式併入。 除非另外規定,否則可藉由任何適合方法來沈積各種實施例之層中之任一者。對於有機層,較佳之方法包括熱蒸發、噴墨(諸如以全文引用的方式併入之美國專利第6,013,982號及第6,087,196號中所述)、有機氣相沈積(OVPD)(諸如以全文引用的方式併入之頒予Forrest等人之美國專利第6,337,102號中所述)及藉由有機蒸氣噴射印刷(OVJP)之沈積(諸如以全文引用的方式併入之美國專利第7,431,968號中所述)。其他適合沈積方法包括旋塗及其他基於溶液之製程。基於溶液之製程較佳在氮或惰性氛圍中進行。對於其他層,較佳之方法包括熱蒸發。較佳之圖案化方法包括通過遮罩之沈積、冷焊(諸如以全文引用的方式併入之美國專利第6,294,398號及第6,468,819號中所述)及與諸如噴墨及OVJD等沈積方法中之一些方法相關聯的圖案化。亦可使用其他方法。可修改待沈積之材料,以使其與具體沈積方法相容。舉例而言,可在小分子中使用具支鏈或無支鏈且較佳含有至少3個碳之諸如烷基及芳基等取代基,來增強其經受溶液處理之能力。可使用具有20個或更多個碳之取代基,且3-20個碳為較佳之範圍。具有不對稱結構之材料可比具有對稱結構之材料具有更好的溶液可處理性,因為不對稱材料可具有更低之再結晶傾向性。可使用樹枝狀聚合物取代基來增強小分子經受溶液處理之能力。 根據本發明實施例製造之裝置可進一步視情況包含障壁層。障壁層之一個用途為保護電極及有機層免於因暴露於環境中之有害物質(包括水分、蒸氣及/或氣體等)而受損。障壁層可沈積在基板、電極上,沈積在基板、電極下或沈積在基板、電極旁,或沈積在裝置之任何其他部分(包括邊緣)上。障壁層可包含單個層或多個層。障壁層可藉由各種已知的化學氣相沈積技術形成,且可包括具有單一相之組合物以及具有多個相之組合物。任何適合材料或材料組合均可用於障壁層。障壁層可併入有無機化合物或有機化合物或兩者。較佳之障壁層包含聚合材料與非聚合材料之混合物,如以全文引用的方式併入本文中之美國專利第7,968,146號、PCT專利申請案第PCT/US2007/023098號及第PCT/US2009/042829號中所述。為視為「混合物」,構成障壁層之前述聚合材料及非聚合材料應在相同反應條件下及/或在同時沈積。聚合材料對非聚合材料之重量比率可在95:5至5:95之範圍內。聚合材料及非聚合材料可由同一前體材料產生。在一個實例中,聚合材料與非聚合材料之混合物基本上由聚合矽及無機矽組成。 根據本發明之實施例而製造之裝置可併入至各種各樣的電子組件模組(或單元)中,該等電子組件模組可併入至多種電子產品或中間組件中。該等電子產品或中間組件之實例包括可為終端用戶產品製造商所利用之顯示屏、照明裝置(諸如離散光源裝置或照明面板)等。該等電子組件模組可視情況包括驅動電子裝置及/或電源。根據本發明之實施例而製造之裝置可併入至各種各樣的消費型產品中,該等消費型產品具有一或多種電子組件模組(或單元)併入於其中。該等消費型產品將包括含一或多個光源及/或某種類型之視覺顯示器中之一或多者的任何種類之產品。該等消費型產品之一些實例包括平板顯示器、電腦監視器、醫療監視器、電視機、告示牌、用於內部或外部照明及/或發信號之燈、抬頭顯示器、全透明或部分透明之顯示器、可撓性顯示器、雷射印表機、電話、行動電話、平板電腦、平板手機、個人數位助理(PDA)、可佩戴裝置、膝上型電腦、數位相機、攝錄影機、取景器、微型顯示器、3-D顯示器、交通工具、大面積牆壁、劇院或體育館螢幕,或指示牌。可使用各種控制機制來控制根據本發明而製造之裝置,包括被動矩陣及主動矩陣。意欲將該等裝置中之許多裝置用於對人類而言舒適之溫度範圍中,諸如18攝氏度至30攝氏度,且更佳在室溫下(20-25攝氏度),但可在此溫度範圍外(例如-40攝氏度至+80攝氏度)使用。 本文所述之材料及結構可應用於不同於OLED之裝置中。舉例而言,諸如有機太陽能電池及有機光偵測器等其他光電子裝置可使用該等材料及結構。更一般而言,諸如有機電晶體等有機裝置可使用該等材料及結構。 如本文所用,術語「鹵基」、「鹵素」或「鹵化物」包括氟、氯、溴及碘。 如本文所用,術語「烷基」涵蓋直鏈及分支鏈烷基。較佳之烷基為含有一至十五個碳原子之烷基,且包括甲基、乙基、丙基、1-甲基乙基、丁基、1-甲基丙基、2-甲基丙基、戊基、1-甲基丁基、2-甲基丁基、3-甲基丁基、1,1-二甲基丙基、1,2-二甲基丙基、2,2-二甲基丙基及其類似基團。另外,烷基可為視情況經取代的。 如本文所用,術語「環烷基」涵蓋環狀烷基。較佳之環烷基為含有3至10個環碳原子之環烷基,且包括環丙基、環戊基、環己基、金剛烷基及其類似基團。另外,環烷基可為視情況經取代的。 如本文所用,術語「烯基」涵蓋直鏈及分支鏈烯基。較佳之烯基為含有二至十五個碳原子之烯基。另外,烯基可為視情況經取代的。 如本文所用,術語「炔基」涵蓋直鏈及分支鏈炔基。較佳之炔基為含有二至十五個碳原子之炔基。另外,炔基可為視情況經取代的。 如本文所用,術語「芳烷基」或「芳基烷基」可互換地使用且涵蓋具有芳族基團作為取代基之烷基。另外,芳烷基可為視情況經取代的。 如本文所用,術語「雜環基」涵蓋芳族及非芳族環狀基團。雜芳族環狀基團亦意指雜芳基。較佳之雜非芳族環基為含有包括至少一個雜原子之3至7個環原子之雜環基,且包括環胺,諸如嗎啉基、哌啶基、吡咯啶基及其類似基團,及環醚,諸如四氫呋喃、四氫哌喃及其類似基團。另外,雜環基可為視情況經取代的。 如本文所用,術語「芳基」或「芳族基團」涵蓋單環基團及多環系統。多環可具有其中兩個碳為兩個鄰接環(該等環為「稠合的」)共用之兩個或更多個環,其中該等環中之至少一者為芳族的,例如其他環可為環烷基、環烯基、芳基、雜環及/或雜芳基。較佳之芳基為含有六至三十個碳原子、較佳六至二十個碳原子、更佳六至十二個碳原子之芳基。尤其較佳為具有六個碳、十個碳或十二個碳之芳基。適合之芳基包括苯基、聯苯、聯三苯、聯伸三苯、聯伸四苯、萘、蒽、萉、菲、茀、芘、
Figure 109133695-A0304-12-01
、苝及薁,較佳苯基、聯苯、聯三苯、聯伸三苯、茀及萘。另外,芳基可為視情況經取代的。 如本文所用,術語「雜芳基」涵蓋可包括一至五個雜原子之單環雜芳族基團。術語雜芳基亦包括具有其中兩個原子為兩個鄰接環(該等環為「稠合的」)共用之兩個或更多個環之多環雜芳族系統,其中該等環中之至少一者為雜芳基,例如其他環可為環烷基、環烯基、芳基、雜環及/或雜芳基。較佳之雜芳基為含有三至三十個碳原子、較佳三至二十個碳原子、更佳三至十二個碳原子之雜芳基。適合之雜芳基包括二苯并噻吩、二苯并呋喃、二苯并硒吩、呋喃、噻吩、苯并呋喃、苯并噻吩、苯并硒吩、咔唑、吲哚并咔唑、吡啶基吲哚、吡咯并二吡啶、吡唑、咪唑、三唑、噁唑、噻唑、噁二唑、噁三唑、二噁唑、噻二唑、吡啶、嗒嗪、嘧啶、吡嗪、三嗪、噁嗪、噁噻嗪、噁二嗪、吲哚、苯并咪唑、吲唑、吲哚并噁嗪(indoxazine)、苯并噁唑、苯并異噁唑、苯并噻唑、喹啉、異喹啉、
Figure 109133695-A0304-12-02
啉、喹唑啉、喹噁啉、
Figure 109133695-A0304-12-03
啶、酞嗪、喋啶、二苯并哌喃、吖啶、啡嗪、啡噻嗪、啡噁嗪、苯并呋喃并吡啶、呋喃并二吡啶、苯并噻吩并吡啶、噻吩并二吡啶、苯并硒吩并吡啶及硒吩并二吡啶,較佳二苯并噻吩、二苯并呋喃、二苯并硒吩、咔唑、吲哚并咔唑、咪唑、吡啶、三嗪、苯并咪唑及其氮雜類似物。另外,雜芳基可為視情況經取代的。 烷基、環烷基、烯基、炔基、芳烷基、雜環基、芳基及雜芳基可未經取代或可經一或多個選自由以下組成之群的取代基取代:氘、鹵素、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、環胺基、矽基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、醚基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合。 如本文所用,「經取代的」表示,不為H之取代基鍵結至相關位置,諸如碳。因此,舉例而言,在R1 經單取代時,則一個R1 必須不為H。類似地,在R1 經二取代時,則兩個R1 必須不為H。類似地,在R1 未經取代時,R1 對於所有可用位置而言均為氫。 本文所述之片段(即氮雜-二苯并呋喃、氮雜-二苯并噻吩等)中之「氮雜」名稱意指各別片段中之一或多個C-H基團可經氮原子置換,例如且無任何限制性地,氮雜聯伸三苯涵蓋二苯并[f,h ]喹噁啉及二苯并[f,h ]喹啉。一般熟習此項技術者可容易地預想上文所述之氮雜-衍生物的其他氮類似物,且所有此等類似物均旨在由如本文中闡述之術語涵蓋。 應理解,當將分子片段描述為取代基或另外連接至另一部分時,其名稱可如同其為片段(例如苯基、伸苯基、萘基、二苯并呋喃基)一般或如同其為整個分子(例如苯、萘、二苯并呋喃)一般書寫。如本文所用,此等不同的命名取代基或連接之片段之方式視為等效的。 根據本發明之一個態樣,揭示含有在吡啶或嘧啶環上稠合、與部分氟化之側鏈組合的五員環之配位體,經發現其適用作用於有機發光裝置之磷光發光金屬錯合物。所得發光金屬錯合物展現改良之外部量子效率及壽命。 本文所揭示之一些例示性配位體為氟嘧啶、噻吩并嘧啶、吡咯并嘧啶及環戊并嘧啶。在一些實施例中,此等配位體可與含有至少一個F原子之脂族取代基組合。出於多種原因而在單一配位體上使用此等兩種部分之組合。用於紅色摻雜劑的基於吡啶或嘧啶之配位體已顯示出極好的裝置效率及良好壽命。併入一或多個含有F原子之側鏈將允許微調顏色且尤其提供紅移。 根據一些實施例,揭示一種化合物,其包含式I之配位體LA
Figure 02_image001
;其中環A為5員或6員碳環或雜環; 其中R稠合至環B且具有式II之結構,
Figure 02_image006
;其中波形線表示與環B之鍵; 其中R1 表示單取代基、二取代基、三取代基或四取代基或無取代基; 其中R2 表示單取代基或二取代基或無取代基; 其中X1 、X2 、X3 及X4 各自獨立地為碳或氮; 其中至少兩個相鄰的X1 、X2 、X3 及X4 為碳且稠合至R; 其中X選自由以下組成之群:BR'、NR'、PR'、O、S、Se、C=O、S=O、SO2 、CR'R"、SiR'R"及GeR'R"; 其中R1 、R2 、R3 、R4 、R'及R"各自獨立地選自由以下組成之群:氫、氘、鹵素、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽烷基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合;且其中任兩個相鄰取代基視情況連接以形成環; 其中R3 及R4 中之至少一者包含選自由以下組成之群的化學基團:烷基、環烷基、部分氟化之烷基、部分氟化之環烷基及其組合; 其中該配位體LA 配位至金屬M; 其中該配位體LA 視情況與其他配位體鍵聯以包含三齒、四齒、五齒或六齒配位體;且其中M視情況配位至其他配位體。 在該化合物之一些實施例中,M選自由以下組成之群:Ir、Rh、Re、Ru、Os、Pt、Au及Cu。 在該化合物之一些實施例中,M為Ir或Pt。 在該化合物之一些實施例中,該配位體LA 選自由以下組成之群:
Figure 02_image010
Figure 02_image012
Figure 02_image014
Figure 02_image016
Figure 02_image018
Figure 02_image020
Figure 02_image022
Figure 02_image024
Figure 02_image026
Figure 02_image028
Figure 02_image030
Figure 02_image032
Figure 02_image034
Figure 02_image036
Figure 02_image038
Figure 02_image040
。 在該化合物之一些實施例中,該配位體LA 為:
Figure 02_image042
。 在該化合物之一些實施例中,該配位體LA 為:
Figure 02_image044
。 在該化合物之一些實施例中,R3 及R4 中之至少一者為選自由以下組成之群的化學基團:烷基、環烷基、部分氟化之烷基、部分氟化之環烷基及其組合。 在該化合物之一些實施例中,R3 及R4 中之至少一者為選自由以下組成之群的化學基團:部分氟化之烷基、部分氟化之環烷基及其組合。 在該化合物之一些實施例中,R3 及R4 不為氫。 在該化合物之一些實施例中,X1 、X2 、X3 及X4 中之至少一者為氮。 在該化合物之一些實施例中,X為O。 在該化合物之一些實施例中,X為NR'。 在該化合物之一些實施例中,X為CR'R''或SiR'R''。 在該化合物之一些實施例中,R1 、R2 、R3 、R4 、R'及R''各自獨立地選自由以下組成之群:氫、氘、烷基、環烷基及其組合。 在該化合物之一些實施例中,R1 、R2 、R3 、R4 、R'及R''各自獨立地選自由以下組成之群:氫、氘、甲基、乙基、丙基、1-甲基乙基、丁基、1-甲基丙基、2-甲基丙基、戊基、1-甲基丁基、2-甲基丁基、3-甲基丁基、1,1-二甲基丙基、1,2-二甲基丙基、2,2-二甲基丙基、環戊基、環己基及其組合。 在該化合物之一些實施例中,R3 及R4 中之至少一者選自由以下組成之群:
Figure 02_image046
Figure 02_image048
Figure 02_image050
Figure 02_image052
Figure 02_image054
Figure 02_image056
Figure 02_image058
Figure 02_image060
Figure 02_image062
Figure 02_image064
Figure 02_image066
Figure 02_image068
Figure 02_image070
Figure 02_image072
Figure 02_image074
Figure 02_image076
Figure 02_image078
Figure 02_image080
Figure 02_image082
Figure 02_image084
Figure 02_image086
Figure 02_image088
Figure 02_image090
Figure 02_image092
Figure 02_image094
Figure 02_image096
Figure 02_image098
Figure 02_image100
Figure 02_image102
Figure 02_image104
Figure 02_image106
Figure 02_image108
Figure 02_image110
Figure 02_image112
Figure 02_image114
Figure 02_image116
Figure 02_image118
Figure 02_image120
Figure 02_image122
Figure 02_image124
Figure 02_image126
。 在該化合物之一些實施例中,R3 與R4 連接以形成選自由以下組成之群的環結構:
Figure 02_image128
Figure 02_image130
Figure 02_image132
Figure 02_image134
Figure 02_image136
Figure 02_image138
Figure 02_image140
Figure 02_image142
Figure 02_image144
Figure 02_image146
Figure 02_image148
Figure 02_image150
Figure 02_image152
。 在該化合物之一些實施例中,R3 及R4 中之至少一者選自由以下組成之群:
Figure 02_image154
Figure 02_image156
Figure 02_image158
Figure 02_image160
Figure 02_image162
Figure 02_image164
Figure 02_image166
Figure 02_image168
Figure 02_image170
Figure 02_image172
。 在該化合物之一些實施例中,該配位體LA 選自由以下組成之群:
Figure 02_image174
Figure 02_image176
Figure 02_image178
Figure 02_image180
Figure 02_image182
Figure 02_image184
Figure 02_image186
Figure 02_image188
,其中R1 、R3 、R4 及R'如上文所定義。 在該化合物之一些實施例中,該配位體LA 選自由以下組成之群:如下定義之LA1 至LA750 : LA1 至LA375 基於式IV之結構,
Figure 02_image190
,其中R3 、R4 及X如下表1中所示而定義: 表1
配位體 R3 R4 X 配位體 R3 R4 X 配位體 R3 R4 X
LA1 H RA2 O LA126 RA2 RB4 S LA251 RA2 RA28 NCH3
LA2 RA2 RA2 O LA127 RA3 RB4 S LA252 RA3 RA28 NCH3
LA3 RA3 RA2 O LA128 RA14 RB4 S LA253 RA14 RA28 NCH3
LA4 RA14 RA2 O LA129 RA22 RB4 S LA254 RA22 RA28 NCH3
LA5 RA22 RA2 O LA130 RA28 RB4 S LA255 RA28 RA28 NCH3
LA6 RA28 RA2 O LA131 RB1 RA2 S LA256 RA2 H NCH3
LA7 H RA3 O LA132 RB1 RA3 S LA257 RA3 H NCH3
LA8 RA2 RA3 O LA133 RB1 RA14 S LA258 RA14 H NCH3
LA9 RA3 RA3 O LA134 RB1 RA22 S LA259 RA22 H NCH3
LA10 RA14 RA3 O LA135 RB1 RA28 S LA260 RA28 H NCH3
LA11 RA22 RA3 O LA136 RB2 RA2 S LA261 RA2 RB1 NCH3
LA12 RA28 RA3 O LA137 RB2 RA3 S LA262 RA3 RB1 NCH3
LA13 H RA14 O LA138 RB2 RA14 S LA263 RA14 RB1 NCH3
LA14 RA2 RA14 O LA139 RB2 RA22 S LA264 RA22 RB1 NCH3
LA15 RA3 RA14 O LA140 RB2 RA28 S LA265 RA28 RB1 NCH3
LA16 RA14 RA14 O LA141 RB3 RA2 S LA266 RA2 RB2 NCH3
LA17 RA22 RA14 O LA142 RB3 RA3 S LA267 RA3 RB2 NCH3
LA18 RA28 RA14 O LA143 RB3 RA14 S LA268 RA14 RB2 NCH3
LA19 H RA22 O LA144 RB3 RA22 S LA269 RA22 RB2 NCH3
LA20 RA2 RA22 O LA145 RB3 RA28 S LA270 RA28 RB2 NCH3
LA21 RA3 RA22 O LA146 RB4 RA2 S LA271 RA2 RB3 NCH3
LA22 RA14 RA22 O LA147 RB4 RA3 S LA272 RA3 RB3 NCH3
LA23 RA22 RA22 O LA148 RB4 RA14 S LA273 RA14 RB3 NCH3
LA24 RA28 RA22 O LA149 RB4 RA22 S LA274 RA22 RB3 NCH3
LA25 H RA28 O LA150 RB4 RA28 S LA275 RA28 RB3 NCH3
LA26 RA2 RA28 O LA151 H RA2 C(CH3 )2 LA276 RA2 RB4 NCH3
LA27 RA3 RA28 O LA152 RA2 RA2 C(CH3 )2 LA277 RA3 RB4 NCH3
LA28 RA14 RA28 O LA153 RA3 RA2 C(CH3 )2 LA278 RA14 RB4 NCH3
LA29 RA22 RA28 O LA154 RA14 RA2 C(CH3 )2 LA279 RA22 RB4 NCH3
LA30 RA28 RA28 O LA155 RA22 RA2 C(CH3 )2 LA280 RA28 RB4 NCH3
LA31 RA2 H O LA156 RA28 RA2 C(CH3 )2 LA281 RA2 RB1 NCH3
LA32 RA3 H O LA157 H RA3 C(CH3 )2 LA282 RA3 RB1 NCH3
LA33 RA14 H O LA158 RA2 RA3 C(CH3 )2 LA283 RA14 RB1 NCH3
LA34 RA22 H O LA159 RA3 RA3 C(CH3 )2 LA284 RA22 RB1 NCH3
LA35 RA28 H O LA160 RA14 RA3 C(CH3 )2 LA285 RA28 RB1 NCH3
LA36 RA2 RB1 O LA161 RA22 RA3 C(CH3 )2 LA286 RA2 RB2 NCH3
LA37 RA3 RB1 O LA162 RA28 RA3 C(CH3 )2 LA287 RA3 RB2 NCH3
LA38 RA14 RB1 O LA163 H RA14 C(CH3 )2 LA288 RA14 RB2 NCH3
LA39 RA22 RB1 O LA164 RA2 RA14 C(CH3 )2 LA289 RA22 RB2 NCH3
LA40 RA28 RB1 O LA165 RA3 RA14 C(CH3 )2 LA290 RA28 RB2 NCH3
LA41 RA2 RB2 O LA166 RA14 RA14 C(CH3 )2 LA291 RA2 RB3 NCH3
LA42 RA3 RB2 O LA167 RA22 RA14 C(CH3 )2 LA292 RA3 RB3 NCH3
LA43 RA14 RB2 O LA168 RA28 RA14 C(CH3 )2 LA293 RA14 RB3 NCH3
LA44 RA22 RB2 O LA169 H RA22 C(CH3 )2 LA294 RA22 RB3 NCH3
LA45 RA28 RB2 O LA170 RA2 RA22 C(CH3 )2 LA295 RA28 RB3 NCH3
LA46 RA2 RB3 O LA171 RA3 RA22 C(CH3 )2 LA296 RA2 RB4 NCH3
LA47 RA3 RB3 O LA172 RA14 RA22 C(CH3 )2 LA297 RA3 RB4 NCH3
LA48 RA14 RB3 O LA173 RA22 RA22 C(CH3 )2 LA298 RA14 RB4 NCH3
LA49 RA22 RB3 O LA174 RA28 RA22 C(CH3 )2 LA299 RA22 RB4 NCH3
LA50 RA28 RB3 O LA175 H RA28 C(CH3 )2 LA300 RA28 RB4 NCH3
LA51 RA2 RB4 O LA176 RA2 RA28 C(CH3 )2 LA301 H RA2 N(異丁基)
LA52 RA3 RB4 O LA177 RA3 RA28 C(CH3 )2 LA302 RA2 RA2 N(異丁基)
LA53 RA14 RB4 O LA178 RA14 RA28 C(CH3 )2 LA303 RA3 RA2 N(異丁基)
LA54 RA22 RB4 O LA179 RA22 RA28 C(CH3 )2 LA304 RA14 RA2 N(異丁基)
LA55 RA28 RB4 O LA180 RA28 RA28 C(CH3 )2 LA305 RA22 RA2 N(異丁基)
LA56 RB1 RA2 O LA181 RA2 H C(CH3 )2 LA306 RA28 RA2 N(異丁基)
LA57 RB1 RA3 O LA182 RA3 H C(CH3 )2 LA307 H RA3 N(異丁基)
LA58 RB1 RA14 O LA183 RA14 H C(CH3 )2 LA308 RA2 RA3 N(異丁基)
LA59 RB1 RA22 O LA184 RA22 H C(CH3 )2 LA309 RA3 RA3 N(異丁基)
LA60 RB1 RA28 O LA185 RA28 H C(CH3 )2 LA310 RA14 RA3 N(異丁基)
LA61 RB2 RA2 O LA186 RA2 RB1 C(CH3 )2 LA311 RA22 RA3 N(異丁基)
LA62 RB2 RA3 O LA187 RA3 RB1 C(CH3 )2 LA312 RA28 RA3 N(異丁基)
LA63 RB2 RA14 O LA188 RA14 RB1 C(CH3 )2 LA313 H RA14 N(異丁基)
LA64 RB2 RA22 O LA189 RA22 RB1 C(CH3 )2 LA314 RA2 RA14 N(異丁基)
LA65 RB2 RA28 O LA190 RA28 RB1 C(CH3 )2 LA315 RA3 RA14 N(異丁基)
LA66 RB3 RA2 O LA191 RA2 RB2 C(CH3 )2 LA316 RA14 RA14 N(異丁基)
LA67 RB3 RA3 O LA192 RA3 RB2 C(CH3 )2 LA317 RA22 RA14 N(異丁基)
LA68 RB3 RA14 O LA193 RA14 RB2 C(CH3 )2 LA318 RA28 RA14 N(異丁基)
LA69 RB3 RA22 O LA194 RA22 RB2 C(CH3 )2 LA319 H RA22 N(異丁基)
LA70 RB3 RA28 O LA195 RA28 RB2 C(CH3 )2 LA320 RA2 RA22 N(異丁基)
LA71 RB4 RA2 O LA196 RA2 RB3 C(CH3 )2 LA321 RA3 RA22 N(異丁基)
LA72 RB4 RA3 O LA197 RA3 RB3 C(CH3 )2 LA322 RA14 RA22 N(異丁基)
LA73 RB4 RA14 O LA198 RA14 RB3 C(CH3 )2 LA323 RA22 RA22 N(異丁基)
LA74 RB4 RA22 O LA199 RA22 RB3 C(CH3 )2 LA324 RA28 RA22 N(異丁基)
LA75 RB4 RA28 O LA200 RA28 RB3 C(CH3 )2 LA325 H RA28 N(異丁基)
LA76 H RA2 S LA201 RA2 RB4 C(CH3 )2 LA326 RA2 RA28 N(異丁基)
LA77 RA2 RA2 S LA202 RA3 RB4 C(CH3 )2 LA327 RA3 RA28 N(異丁基)
LA78 RA3 RA2 S LA203 RA14 RB4 C(CH3 )2 LA328 RA14 RA28 N(異丁基)
LA79 RA14 RA2 S LA204 RA22 RB4 C(CH3 )2 LA329 RA22 RA28 N(異丁基)
LA80 RA22 RA2 S LA205 RA28 RB4 C(CH3 )2 LA330 RA28 RA28 N(異丁基)
LA81 RA28 RA2 S LA206 RB1 RA2 C(CH3 )2 LA331 RA2 H N(異丁基)
LA82 H RA3 S LA207 RB1 RA3 C(CH3 )2 LA332 RA3 H N(異丁基)
LA83 RA2 RA3 S LA208 RB1 RA14 C(CH3 )2 LA333 RA14 H N(異丁基)
LA84 RA3 RA3 S LA209 RB1 RA22 C(CH3 )2 LA334 RA22 H N(異丁基)
LA85 RA14 RA3 S LA210 RB1 RA28 C(CH3 )2 LA335 RA28 H N(異丁基)
LA86 RA22 RA3 S LA211 RB2 RA2 C(CH3 )2 LA336 RA2 RB1 N(異丁基)
LA87 RA28 RA3 S LA212 RB2 RA3 C(CH3 )2 LA337 RA3 RB1 N(異丁基)
LA88 H RA14 S LA213 RB2 RA14 C(CH3 )2 LA338 RA14 RB1 N(異丁基)
LA89 RA2 RA14 S LA214 RB2 RA22 C(CH3 )2 LA339 RA22 RB1 N(異丁基)
LA90 RA3 RA14 S LA215 RB2 RA28 C(CH3 )2 LA340 RA28 RB1 N(異丁基)
LA91 RA14 RA14 S LA216 RB3 RA2 C(CH3 )2 LA341 RA2 RB2 N(異丁基)
LA92 RA22 RA14 S LA217 RB3 RA3 C(CH3 )2 LA342 RA3 RB2 N(異丁基)
LA93 RA28 RA14 S LA218 RB3 RA14 C(CH3 )2 LA343 RA14 RB2 N(異丁基)
LA94 H RA22 S LA219 RB3 RA22 C(CH3 )2 LA344 RA22 RB2 N(異丁基)
LA95 RA2 RA22 S LA220 RB3 RA28 C(CH3 )2 LA345 RA28 RB2 N(異丁基)
LA96 RA3 RA22 S LA221 RB4 RA2 C(CH3 )2 LA346 RA2 RB3 N(異丁基)
LA97 RA14 RA22 S LA222 RB4 RA3 C(CH3 )2 LA347 RA3 RB3 N(異丁基)
LA98 RA22 RA22 S LA223 RB4 RA14 C(CH3 )2 LA348 RA14 RB3 N(異丁基)
LA99 RA28 RA22 S LA224 RB4 RA22 C(CH3 )2 LA349 RA22 RB3 N(異丁基)
LA100 H RA28 S LA225 RB4 RA28 C(CH3 )2 LA350 RA28 RB3 N(異丁基)
LA101 RA2 RA28 S LA226 H RA2 NCH3 LA351 RA2 RB4 N(異丁基)
LA102 RA3 RA28 S LA227 RA2 RA2 NCH3 LA352 RA3 RB4 N(異丁基)
LA103 RA14 RA28 S LA228 RA3 RA2 NCH3 LA353 RA14 RB4 N(異丁基)
LA104 RA22 RA28 S LA229 RA14 RA2 NCH3 LA354 RA22 RB4 N(異丁基)
LA105 RA28 RA28 S LA230 RA22 RA2 NCH3 LA355 RA28 RB4 N(異丁基)
LA106 RA2 H S LA231 RA28 RA2 NCH3 LA356 RB1 RA2 N(異丁基)
LA107 RA3 H S LA232 H RA3 NCH3 LA357 RB1 RA3 N(異丁基)
LA108 RA14 H S LA233 RA2 RA3 NCH3 LA358 RB1 RA14 N(異丁基)
LA109 RA22 H S LA234 RA3 RA3 NCH3 LA359 RB1 RA22 N(異丁基)
LA110 RA28 H S LA235 RA14 RA3 NCH3 LA360 RB1 RA28 N(異丁基)
LA111 RA2 RB1 S LA236 RA22 RA3 NCH3 LA361 RB2 RA2 N(異丁基)
LA112 RA3 RB1 S LA237 RA28 RA3 NCH3 LA362 RB2 RA3 N(異丁基)
LA113 RA14 RB1 S LA238 H RA14 NCH3 LA363 RB2 RA14 N(異丁基)
LA114 RA22 RB1 S LA239 RA2 RA14 NCH3 LA364 RB2 RA22 N(異丁基)
LA115 RA28 RB1 S LA240 RA3 RA14 NCH3 LA365 RB2 RA28 N(異丁基)
LA116 RA2 RB2 S LA241 RA14 RA14 NCH3 LA366 RB3 RA2 N(異丁基)
LA117 RA3 RB2 S LA242 RA22 RA14 NCH3 LA367 RB3 RA3 N(異丁基)
LA118 RA14 RB2 S LA243 RA28 RA14 NCH3 LA368 RB3 RA14 N(異丁基)
LA119 RA22 RB2 S LA244 H RA22 NCH3 LA369 RB3 RA22 N(異丁基)
LA120 RA28 RB2 S LA245 RA2 RA22 NCH3 LA370 RB3 RA28 N(異丁基)
LA121 RA2 RB3 S LA246 RA3 RA22 NCH3 LA371 RB4 RA2 N(異丁基)
LA122 RA3 RB3 S LA247 RA14 RA22 NCH3 LA372 RB4 RA3 N(異丁基)
LA123 RA14 RB3 S LA248 RA22 RA22 NCH3 LA373 RB4 RA14 N(異丁基)
LA124 RA22 RB3 S LA249 RA28 RA22 NCH3 LA374 RB4 RA22 N(異丁基)
LA125 RA28 RB3 S LA250 H RA28 NCH3 LA375 RB4 RA28 N(異丁基)
且LA376 至LA750 基於式V之結構,
Figure 02_image192
,其中R3 、R4 及X如下表2中所示而定義: 表2
配位體 R3 R4 X 配位體 R3 R4 X 配位體 R3 R4 X
LA376 H RA2 O LA501 RA2 RB4 S LA626 RA2 RA28 NCH3
LA377 RA2 RA2 O LA502 RA3 RB4 S LA627 RA3 RA28 NCH3
LA378 RA3 RA2 O LA503 RA14 RB4 S LA628 RA14 RA28 NCH3
LA379 RA14 RA2 O LA504 RA22 RB4 S LA629 RA22 RA28 NCH3
LA380 RA22 RA2 O LA505 RA28 RB4 S LA630 RA28 RA28 NCH3
LA381 RA28 RA2 O LA506 RB1 RA2 S LA631 RA2 H NCH3
LA382 H RA3 O LA507 RB1 RA3 S LA632 RA3 H NCH3
LA383 RA2 RA3 O LA508 RB1 RA14 S LA633 RA14 H NCH3
LA384 RA3 RA3 O LA509 RB1 RA22 S LA634 RA22 H NCH3
LA385 RA14 RA3 O LA510 RB1 RA28 S LA635 RA28 H NCH3
LA386 RA22 RA3 O LA511 RB2 RA2 S LA636 RA2 RB1 NCH3
LA387 RA28 RA3 O LA512 RB2 RA3 S LA637 RA3 RB1 NCH3
LA388 H RA14 O LA513 RB2 RA14 S LA638 RA14 RB1 NCH3
LA389 RA2 RA14 O LA514 RB2 RA22 S LA639 RA22 RB1 NCH3
LA390 RA3 RA14 O LA515 RB2 RA28 S LA640 RA28 RB1 NCH3
LA391 RA14 RA14 O LA516 RB3 RA2 S LA641 RA2 RB2 NCH3
LA392 RA22 RA14 O LA517 RB3 RA3 S LA642 RA3 RB2 NCH3
LA393 RA28 RA14 O LA518 RB3 RA14 S LA643 RA14 RB2 NCH3
LA394 H RA22 O LA519 RB3 RA22 S LA644 RA22 RB2 NCH3
LA395 RA2 RA22 O LA520 RB3 RA28 S LA645 RA28 RB2 NCH3
LA396 RA3 RA22 O LA521 RB4 RA2 S LA646 RA2 RB3 NCH3
LA397 RA14 RA22 O LA522 RB4 RA3 S LA647 RA3 RB3 NCH3
LA398 RA22 RA22 O LA523 RB4 RA14 S LA648 RA14 RB3 NCH3
LA399 RA28 RA22 O LA524 RB4 RA22 S LA649 RA22 RB3 NCH3
LA400 H RA28 O LA525 RB4 RA28 S LA650 RA28 RB3 NCH3
LA401 RA2 RA28 O LA526 H RA2 C(CH3 )2 LA651 RA2 RB4 NCH3
LA402 RA3 RA28 O LA527 RA2 RA2 C(CH3 )2 LA652 RA3 RB4 NCH3
LA403 RA14 RA28 O LA528 RA3 RA2 C(CH3 )2 LA653 RA14 RB4 NCH3
LA404 RA22 RA28 O LA529 RA14 RA2 C(CH3 )2 LA654 RA22 RB4 NCH3
LA405 RA28 RA28 O LA530 RA22 RA2 C(CH3 )2 LA655 RA28 RB4 NCH3
LA406 RA2 H O LA531 RA28 RA2 C(CH3 )2 LA656 RA2 RB1 NCH3
LA407 RA3 H O LA532 H RA3 C(CH3 )2 LA657 RA3 RB1 NCH3
LA408 RA14 H O LA533 RA2 RA3 C(CH3 )2 LA658 RA14 RB1 NCH3
LA409 RA22 H O LA534 RA3 RA3 C(CH3 )2 LA659 RA22 RB1 NCH3
LA410 RA28 H O LA535 RA14 RA3 C(CH3 )2 LA660 RA28 RB1 NCH3
LA411 RA2 RB1 O LA536 RA22 RA3 C(CH3 )2 LA661 RA2 RB2 NCH3
LA412 RA3 RB1 O LA537 RA28 RA3 C(CH3 )2 LA662 RA3 RB2 NCH3
LA413 RA14 RB1 O LA538 H RA14 C(CH3 )2 LA663 RA14 RB2 NCH3
LA414 RA22 RB1 O LA539 RA2 RA14 C(CH3 )2 LA664 RA22 RB2 NCH3
LA415 RA28 RB1 O LA540 RA3 RA14 C(CH3 )2 LA665 RA28 RB2 NCH3
LA416 RA2 RB2 O LA541 RA14 RA14 C(CH3 )2 LA666 RA2 RB3 NCH3
LA417 RA3 RB2 O LA542 RA22 RA14 C(CH3 )2 LA667 RA3 RB3 NCH3
LA418 RA14 RB2 O LA543 RA28 RA14 C(CH3 )2 LA668 RA14 RB3 NCH3
LA419 RA22 RB2 O LA544 H RA22 C(CH3 )2 LA669 RA22 RB3 NCH3
LA420 RA28 RB2 O LA545 RA2 RA22 C(CH3 )2 LA670 RA28 RB3 NCH3
LA421 RA2 RB3 O LA546 RA3 RA22 C(CH3 )2 LA671 RA2 RB4 NCH3
LA422 RA3 RB3 O LA547 RA14 RA22 C(CH3 )2 LA672 RA3 RB4 NCH3
LA423 RA14 RB3 O LA548 RA22 RA22 C(CH3 )2 LA673 RA14 RB4 NCH3
LA424 RA22 RB3 O LA549 RA28 RA22 C(CH3 )2 LA674 RA22 RB4 NCH3
LA425 RA28 RB3 O LA550 H RA28 C(CH3 )2 LA675 RA28 RB4 NCH3
LA426 RA2 RB4 O LA551 RA2 RA28 C(CH3 )2 LA676 H RA2 N(異丁基)
LA427 RA3 RB4 O LA552 RA3 RA28 C(CH3 )2 LA677 RA2 RA2 N(異丁基)
LA428 RA14 RB4 O LA553 RA14 RA28 C(CH3 )2 LA678 RA3 RA2 N(異丁基)
LA429 RA22 RB4 O LA554 RA22 RA28 C(CH3 )2 LA679 RA14 RA2 N(異丁基)
LA430 RA28 RB4 O LA555 RA28 RA28 C(CH3 )2 LA680 RA22 RA2 N(異丁基)
LA431 RB1 RA2 O LA556 RA2 H C(CH3 )2 LA681 RA28 RA2 N(異丁基)
LA432 RB1 RA3 O LA557 RA3 H C(CH3 )2 LA682 H RA3 N(異丁基)
LA433 RB1 RA14 O LA558 RA14 H C(CH3 )2 LA683 RA2 RA3 N(異丁基)
LA434 RB1 RA22 O LA559 RA22 H C(CH3 )2 LA684 RA3 RA3 N(異丁基)
LA435 RB1 RA28 O LA560 RA28 H C(CH3 )2 LA685 RA14 RA3 N(異丁基)
LA436 RB2 RA2 O LA561 RA2 RB1 C(CH3 )2 LA686 RA22 RA3 N(異丁基)
LA437 RB2 RA3 O LA562 RA3 RB1 C(CH3 )2 LA687 RA28 RA3 N(異丁基)
LA438 RB2 RA14 O LA563 RA14 RB1 C(CH3 )2 LA688 H RA14 N(異丁基)
LA439 RB2 RA22 O LA564 RA22 RB1 C(CH3 )2 LA689 RA2 RA14 N(異丁基)
LA440 RB2 RA28 O LA565 RA28 RB1 C(CH3 )2 LA690 RA3 RA14 N(異丁基)
LA441 RB3 RA2 O LA566 RA2 RB2 C(CH3 )2 LA691 RA14 RA14 N(異丁基)
LA442 RB3 RA3 O LA567 RA3 RB2 C(CH3 )2 LA692 RA22 RA14 N(異丁基)
LA443 RB3 RA14 O LA568 RA14 RB2 C(CH3 )2 LA693 RA28 RA14 N(異丁基)
LA444 RB3 RA22 O LA569 RA22 RB2 C(CH3 )2 LA694 H RA22 N(異丁基)
LA445 RB3 RA28 O LA570 RA28 RB2 C(CH3 )2 LA695 RA2 RA22 N(異丁基)
LA446 RB4 RA2 O LA571 RA2 RB3 C(CH3 )2 LA696 RA3 RA22 N(異丁基)
LA447 RB4 RA3 O LA572 RA3 RB3 C(CH3 )2 LA697 RA14 RA22 N(異丁基)
LA448 RB4 RA14 O LA573 RA14 RB3 C(CH3 )2 LA698 RA22 RA22 N(異丁基)
LA449 RB4 RA22 O LA574 RA22 RB3 C(CH3 )2 LA699 RA28 RA22 N(異丁基)
LA450 RB4 RA28 O LA575 RA28 RB3 C(CH3 )2 LA700 H RA28 N(異丁基)
LA451 H RA2 S LA576 RA2 RB4 C(CH3 )2 LA701 RA2 RA28 N(異丁基)
LA452 RA2 RA2 S LA577 RA3 RB4 C(CH3 )2 LA702 RA3 RA28 N(異丁基)
LA453 RA3 RA2 S LA578 RA14 RB4 C(CH3 )2 LA703 RA14 RA28 N(異丁基)
LA454 RA14 RA2 S LA579 RA22 RB4 C(CH3 )2 LA704 RA22 RA28 N(異丁基)
LA455 RA22 RA2 S LA580 RA28 RB4 C(CH3 )2 LA705 RA28 RA28 N(異丁基)
LA456 RA28 RA2 S LA581 RB1 RA2 C(CH3 )2 LA706 RA2 H N(異丁基)
LA457 H RA3 S LA582 RB1 RA3 C(CH3 )2 LA707 RA3 H N(異丁基)
LA458 RA2 RA3 S LA583 RB1 RA14 C(CH3 )2 LA708 RA14 H N(異丁基)
LA459 RA3 RA3 S LA584 RB1 RA22 C(CH3 )2 LA709 RA22 H N(異丁基)
LA460 RA14 RA3 S LA585 RB1 RA28 C(CH3 )2 LA710 RA28 H N(異丁基)
LA461 RA22 RA3 S LA586 RB2 RA2 C(CH3 )2 LA711 RA2 RB1 N(異丁基)
LA462 RA28 RA3 S LA587 RB2 RA3 C(CH3 )2 LA712 RA3 RB1 N(異丁基)
LA463 H RA14 S LA588 RB2 RA14 C(CH3 )2 LA713 RA14 RB1 N(異丁基)
LA464 RA2 RA14 S LA589 RB2 RA22 C(CH3 )2 LA714 RA22 RB1 N(異丁基)
LA465 RA3 RA14 S LA590 RB2 RA28 C(CH3 )2 LA715 RA28 RB1 N(異丁基)
LA466 RA14 RA14 S LA591 RB3 RA2 C(CH3 )2 LA716 RA2 RB2 N(異丁基)
LA467 RA22 RA14 S LA592 RB3 RA3 C(CH3 )2 LA717 RA3 RB2 N(異丁基)
LA468 RA28 RA14 S LA593 RB3 RA14 C(CH3 )2 LA718 RA14 RB2 N(異丁基)
LA469 H RA22 S LA594 RB3 RA22 C(CH3 )2 LA719 RA22 RB2 N(異丁基)
LA470 RA2 RA22 S LA595 RB3 RA28 C(CH3 )2 LA720 RA28 RB2 N(異丁基)
LA471 RA3 RA22 S LA596 RB4 RA2 C(CH3 )2 LA721 RA2 RB3 N(異丁基)
LA472 RA14 RA22 S LA597 RB4 RA3 C(CH3 )2 LA722 RA3 RB3 N(異丁基)
LA473 RA22 RA22 S LA598 RB4 RA14 C(CH3 )2 LA723 RA14 RB3 N(異丁基)
LA474 RA28 RA22 S LA599 RB4 RA22 C(CH3 )2 LA724 RA22 RB3 N(異丁基)
LA475 H RA28 S LA600 RB4 RA28 C(CH3 )2 LA725 RA28 RB3 N(異丁基)
LA476 RA2 RA28 S LA601 H RA2 NCH3 LA726 RA2 RB4 N(異丁基)
LA477 RA3 RA28 S LA602 RA2 RA2 NCH3 LA727 RA3 RB4 N(異丁基)
LA478 RA14 RA28 S LA603 RA3 RA2 NCH3 LA728 RA14 RB4 N(異丁基)
LA479 RA22 RA28 S LA604 RA14 RA2 NCH3 LA729 RA22 RB4 N(異丁基)
LA480 RA28 RA28 S LA605 RA22 RA2 NCH3 LA730 RA28 RB4 N(異丁基)
LA481 RA2 H S LA606 RA28 RA2 NCH3 LA731 RB1 RA2 N(異丁基)
LA482 RA3 H S LA607 H RA3 NCH3 LA732 RB1 RA3 N(異丁基)
LA483 RA14 H S LA608 RA2 RA3 NCH3 LA733 RB1 RA14 N(異丁基)
LA484 RA22 H S LA609 RA3 RA3 NCH3 LA734 RB1 RA22 N(異丁基)
LA485 RA28 H S LA610 RA14 RA3 NCH3 LA735 RB1 RA28 N(異丁基)
LA486 RA2 RB1 S LA611 RA22 RA3 NCH3 LA736 RB2 RA2 N(異丁基)
LA487 RA3 RB1 S LA612 RA28 RA3 NCH3 LA737 RB2 RA3 N(異丁基)
LA488 RA14 RB1 S LA613 H RA14 NCH3 LA738 RB2 RA14 N(異丁基)
LA489 RA22 RB1 S LA614 RA2 RA14 NCH3 LA739 RB2 RA22 N(異丁基)
LA490 RA28 RB1 S LA615 RA3 RA14 NCH3 LA740 RB2 RA28 N(異丁基)
LA491 RA2 RB2 S LA616 RA14 RA14 NCH3 LA741 RB3 RA2 N(異丁基)
LA492 RA3 RB2 S LA617 RA22 RA14 NCH3 LA742 RB3 RA3 N(異丁基)
LA493 RA14 RB2 S LA618 RA28 RA14 NCH3 LA743 RB3 RA14 N(異丁基)
LA494 RA22 RB2 S LA619 H RA22 NCH3 LA744 RB3 RA22 N(異丁基)
LA495 RA28 RB2 S LA620 RA2 RA22 NCH3 LA745 RB3 RA28 N(異丁基)
LA496 RA2 RB3 S LA621 RA3 RA22 NCH3 LA746 RB4 RA2 N(異丁基)
LA497 RA3 RB3 S LA622 RA14 RA22 NCH3 LA747 RB4 RA3 N(異丁基)
LA498 RA14 RB3 S LA623 RA22 RA22 NCH3 LA748 RB4 RA14 N(異丁基)
LA499 RA22 RB3 S LA624 RA28 RA22 NCH3 LA749 RB4 RA22 N(異丁基)
LA500 RA28 RB3 S LA625 H RA28 NCH3 LA750 RB4 RA28 N(異丁基)
其中RB1 至RB4 具有以下結構:
Figure 02_image194
Figure 02_image196
Figure 02_image198
Figure 02_image200
。 在該化合物之一些實施例中,該化合物具有式III之結構,(LA )n Ir(LB )3-n ,其中LB 為雙齒配位體且n 為1、2或3。 在具有式III之結構的化合物之一些實施例中,該配位體LB 選自由以下組成之群:
Figure 02_image202
Figure 02_image204
Figure 02_image206
Figure 02_image208
Figure 02_image210
Figure 02_image212
Figure 02_image214
Figure 02_image216
Figure 02_image218
Figure 02_image220
Figure 02_image222
Figure 02_image224
Figure 02_image226
Figure 02_image228
Figure 02_image230
Figure 02_image232
Figure 02_image234
。 在具有式III之結構的化合物之一些實施例中,該化合物選自由以下組成之群:化合物1至化合物12,750; 其中各化合物x 具有式Ir(LAk )2 (LBj ); 其中x = 750j +k - 750,k 為1至750之整數,且j 為1至17之整數;且其中配位體LB1 至LB17 定義如下:
Figure 02_image202
Figure 02_image204
Figure 02_image206
Figure 02_image208
Figure 02_image210
Figure 02_image212
Figure 02_image214
Figure 02_image216
Figure 02_image218
Figure 02_image220
Figure 02_image222
Figure 02_image224
Figure 02_image226
Figure 02_image228
Figure 02_image230
Figure 02_image232
Figure 02_image234
。 在該化合物之一些實施例中,該化合物具有式VI之結構,(LA )m Pt(LC )2-m ,其中LC 為雙齒配位體,且m為1或2。 在具有式VI之結構的化合物之一些實施例中,m 為1,且LA 連接至LC 以形成四齒配位體。 根據本發明之另一態樣,揭示一種第一有機發光裝置,其包含:陽極;陰極;及安置於該陽極與該陰極之間的有機層。該有機層包括包含式I之配位體LA 的化合物,
Figure 02_image236
,其中環A為5員或6員碳環或雜環; 其中R稠合至環B且具有式II之結構,
Figure 02_image238
,其中波形線表示與環B之鍵; 其中R1 表示單取代基、二取代基、三取代基或四取代基或無取代基; 其中R2 表示單取代基或二取代基或無取代基; 其中X1 、X2 、X3 及X4 各自獨立地為碳或氮; 其中至少兩個相鄰的X1 、X2 、X3 及X4 為碳且稠合至R; 其中X選自由以下組成之群:BR'、NR'、PR'、O、S、Se、C=O、S=O、SO2 、CR'R"、SiR'R"及GeR'R"; 其中R1 、R2 、R3 、R4 、R'及R"各自獨立地選自由以下組成之群:氫、氘、鹵素、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽烷基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合;且其中任兩個相鄰取代基視情況連接以形成環; 其中R3 及R4 中之至少一者包含選自由以下組成之群的化學基團:烷基、環烷基、部分氟化之烷基、部分氟化之環烷基及其組合; 其中LA 配位至金屬M; 其中LA 視情況與其他配位體鍵聯以包含三齒、四齒、五齒或六齒配位體;且 其中M視情況配位至其他配位體。 本文所揭示之有機發光裝置可併入至以下中之一或多者中:消費型產品、電子組件模組、有機發光裝置及照明面板。該有機層可為發射層,且該化合物在一些實施例中可為發射摻雜劑,而該化合物在其他實施例中可為非發射摻雜劑。 該有機層亦可包括主體。在一些實施例中,兩種或兩種以上主體為較佳的。在一些實施例中,所使用之主體可為在電荷傳輸中起極小作用之a)雙極,b)電子傳輸,c)電洞傳輸,或d)寬帶隙材料。在一些實施例中,該主體可包括金屬錯合物。該主體可為含有苯并稠合噻吩或苯并稠合呋喃之聯伸三苯。該主體中之任何取代基可為獨立地選自由以下組成之群的非稠合取代基:Cn H2n+1 、OCn H2n+1 、OAr1 、N(Cn H2n+1 )2 、N(Ar1 )(Ar2 )、CH=CH-Cn H2n+1 、C≡C-Cn H2n+1 、Ar1 、Ar1 -Ar2 及Cn H2n -Ar1 ,或該主體不具有取代基。在前述取代基中,n可在1至10範圍內變化;且Ar1 及Ar2 可獨立地選自由以下組成之群:苯、聯苯、萘、聯伸三苯、咔唑及其雜芳族類似物。該主體可為無機化合物。舉例而言,含Zn之無機材料,例如ZnS。 該主體可為包含至少一個選自由以下組成之群的化學基團之化合物:聯伸三苯、咔唑、二苯并噻吩、二苯并呋喃、二苯并硒吩、氮雜聯伸三苯、氮雜咔唑、氮雜-二苯并噻吩、氮雜-二苯并呋喃及氮雜-二苯并硒吩。該主體可包括金屬錯合物。 該主體可為(但不限於)選自由以下組成之群的特定化合物:
Figure 02_image240
Figure 02_image242
Figure 02_image244
Figure 02_image246
Figure 02_image248
Figure 02_image250
Figure 02_image252
Figure 02_image254
Figure 02_image256
Figure 02_image258
Figure 02_image260
Figure 02_image262
Figure 02_image264
Figure 02_image266
Figure 02_image268
Figure 02_image270
Figure 02_image272
Figure 02_image274
Figure 02_image276
Figure 02_image278
Figure 02_image280
Figure 02_image282
Figure 02_image284
及其組合。以下提供關於可能的主體之額外資訊。 根據本發明之另一態樣,揭示一種調配物,其包含如上文所定義的包含式I之配位體LA 的化合物。該調配物可包括一或多種本文中所揭示之選自由以下組成之群的組分:溶劑、主體、電洞注入材料、電洞傳輸材料及電子傳輸層材料。與其他材料之組合 本文描述為可用於有機發光裝置中之具體層的材料可與存在於該裝置中之多種其他材料組合使用。舉例而言,本文所揭示之發射摻雜劑可與多種主體、傳輸層、阻擋層、注入層、電極及其他可能存在之層結合使用。下文描述或提及之材料為可與本文所揭示之化合物組合使用的材料之非限制性實例,且熟習此項技術者可容易地查閱文獻以鑑別可組合使用之其他材料。導電性摻雜劑: 電荷傳輸層可摻雜有導電性摻雜劑以實質上改變其電荷載子密度,此轉而將改變其導電性。導電性藉由在基質材料中生成電荷載子而提高,且取決於摻雜劑之類型,亦可實現半導體之費米能階(Fermi level)之變化。電洞傳輸層可摻雜有p型導電性摻雜劑,且n型導電性摻雜劑用於電子傳輸層中。可與本文中所揭示之材料組合用於OLED之導電性摻雜劑之非限制性實例與揭示彼等材料之參考文獻一起例示如下: EP01617493、EP01968131、EP2020694、EP2684932、US20050139810、US20070160905、US20090167167、US2010288362、WO06081780、WO2009003455、WO2009008277、WO2009011327、WO2014009310、US2007252140、US2015060804及US2012146012。
Figure 02_image286
Figure 02_image288
Figure 02_image290
Figure 02_image292
Figure 02_image294
Figure 02_image296
Figure 02_image298
Figure 02_image300
Figure 02_image302
Figure 02_image304
Figure 02_image306
Figure 02_image308
Figure 02_image310
Figure 02_image312
HIL/HTL : 本發明中所用之電洞注入/傳輸材料不受特別限制,且可使用任何化合物,只要化合物典型地用作電洞注入/傳輸材料即可。該材料之實例包括(但不限於):酞菁或卟啉衍生物;芳族胺衍生物;吲哚并咔唑衍生物;含有氟烴之聚合物;具有導電性摻雜劑之聚合物;導電聚合物,諸如PEDOT/PSS;衍生自諸如膦酸及矽烷衍生物之化合物的自組裝單體;金屬氧化物衍生物,諸如MoOx ;p型半導體有機化合物,諸如1,4,5,8,9,12-六氮雜聯伸三苯六甲腈;金屬錯合物,及可交聯化合物。 HIL或HTL中所用之芳族胺衍生物之實例包括(但不限於)以下通式結構:
Figure 02_image314
Figure 02_image316
Figure 02_image318
Figure 02_image320
Figure 02_image322
, Ar1 至Ar9 中之每一者選自由芳族烴環化合物組成之群,該等化合物諸如為苯、聯苯、聯三苯、聯伸三苯、萘、蒽、萉、菲、茀、芘、
Figure 109133695-A0304-12-01
、苝及薁;由芳族雜環化合物組成之群,該等化合物諸如為二苯并噻吩、二苯并呋喃、二苯并硒吩、呋喃、噻吩、苯并呋喃、苯并噻吩、苯并硒吩、咔唑、吲哚并咔唑、吡啶基吲哚、吡咯并二吡啶、吡唑、咪唑、三唑、噁唑、噻唑、噁二唑、噁三唑、二噁唑、噻二唑、吡啶、嗒嗪、嘧啶、吡嗪、三嗪、噁嗪、噁噻嗪、噁二嗪、吲哚、苯并咪唑、吲唑、吲哚并噁嗪、苯并噁唑、苯并異噁唑、苯并噻唑、喹啉、異喹啉、
Figure 109133695-A0304-12-02
啉、喹唑啉、喹噁啉、
Figure 109133695-A0304-12-03
啶、酞嗪、喋啶、二苯并哌喃、吖啶、啡嗪、啡噻嗪、啡噁嗪、苯并呋喃并吡啶、呋喃并二吡啶、苯并噻吩并吡啶、噻吩并二吡啶、苯并硒吩并吡啶及硒吩并二吡啶;及由2至10個環狀結構單元組成之群,該等結構單元為選自芳族烴環基及芳族雜環基之相同類型或不同類型之基團,且直接或經由氧原子、氮原子、硫原子、矽原子、磷原子、硼原子、鏈結構單元及脂族環基中之至少一者彼此鍵結。每個Ar可未經取代或可經選自由以下組成之群的取代基取代:氘、鹵基、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合。 在一個態樣中,Ar1 至Ar9 獨立地選自由以下組成之群:
Figure 02_image324
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, 其中k為1至20之整數;X101 至X108 為C (包括CH)或N;Z101 為NAr1 、O或S;Ar1 具有以上定義之相同基團。 HIL或HTL中所用之金屬錯合物之實例包括(但不限於)以下通式:
Figure 02_image340
其中Met為金屬,其可具有大於40之原子量;(Y101 -Y102 )為雙齒配位體,Y101 及Y102 獨立地選自C、N、O、P及S;L101 為輔助性配位體;k'為1至可與金屬連接之最大配位體數之整數值;且k'+k"為可與金屬連接之最大配位體數。 在一個態樣中,(Y101 -Y102 )為2-苯基吡啶衍生物。在另一態樣中,(Y101 -Y102 )為碳烯配位體。在另一態樣中,Met選自Ir、Pt、Os及Zn。在另一態樣中,金屬錯合物具有小於約0.6 V之相對於Fc+ /Fc對之溶液態最小氧化電位。 可與本文中所揭示之材料組合用於OLED之HIL及HTL材料之非限制性實例與揭示彼等材料之參考文獻一起例示如下: CN102702075、DE102012005215、EP01624500、EP01698613、EP01806334、EP01930964、EP01972613、EP01997799、EP02011790、EP02055700、EP02055701、EP1725079、EP2085382、EP2660300、EP650955、JP07-073529、JP2005112765、JP2007091719、JP2008021687、JP2014-009196、KR20110088898、KR20130077473、TW201139402、US06517957、US20020158242、US20030162053、US20050123751、US20060182993、US20060240279、US20070145888、US20070181874、US20070278938、US20080014464、US20080091025、US20080106190、US20080124572、US20080145707、US20080220265、US20080233434、US20080303417、US2008107919、US20090115320、US20090167161、US2009066235、US2011007385、US20110163302、US2011240968、US2011278551、US2012205642、US2013241401、US20140117329、US2014183517、US5061569、US5639914、WO05075451、WO07125714、WO08023550、WO08023759、WO2009145016、WO2010061824、WO2011075644、WO2012177006、WO2013018530、WO2013039073、WO2013087142、WO2013118812、WO2013120577、WO2013157367、WO2013175747、WO2014002873、WO2014015935、WO2014015937、WO2014030872、WO2014030921、WO2014034791、WO2014104514、WO2014157018。
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EBL 電子阻擋層(EBL)可用以減少離開發射層之電子及/或激子之數目。與缺乏阻擋層之類似裝置相比,此阻擋層在裝置中之存在可產生實質上較高之效率及或較長之壽命。此外,阻擋層可用以將發射限制於OLED之所要區域。在一些實施例中,與最接近EBL界面之發射體相比,EBL材料具有較高LUMO(較接近真空能階)及/或較高三重態能量。在一些實施例中,與最接近EBL界面之主體中之一或多者相比,EBL材料具有較高LUMO(較接近真空能階)及或較高三重態能量。在一個態樣中,EBL中所使用之化合物含有與下文描述之主體之一所使用相同的分子或相同之官能團。主體: 本發明之有機EL裝置之發光層較佳地至少含有金屬錯合物作為發光材料,且可含有使用金屬錯合物作為摻雜劑材料之主體材料。主體材料之實例不受特別限制,且可使用任何金屬錯合物或有機化合物,只要主體之三重態能量大於摻雜劑之三重態能量即可。雖然下表將較佳用於發射各種顏色之裝置之主體材料加以分類,但可與任何摻雜劑一起使用任何主體材料,只要三重態準則滿足即可。 用作主體之金屬錯合物之實例較佳具有以下通式:
Figure 02_image466
其中Met為金屬;(Y103 -Y104 )為雙齒配位體,Y103 及Y104 獨立地選自C、N、O、P及S;L101 為另一配位體;k'為1至可與金屬連接之最大配位體數之整數值;且k'+k"為可與金屬連接之最大配位體數。 在一個態樣中,金屬錯合物為:
Figure 02_image468
其中(O-N)為具有與O及N原子配位之金屬之雙齒配位體。 在另一態樣中,Met選自Ir及Pt。在另一態樣中,(Y103 -Y104 )為碳烯配位體。 用作主體之有機化合物之實例選自由芳族烴環化合物組成之群,該等化合物諸如為苯、聯苯、聯三苯、聯伸三苯、聯伸四苯、萘、蒽、萉、菲、茀、芘、
Figure 109133695-A0304-12-01
、苝及薁;由芳族雜環化合物組成之群,該等化合物諸如為二苯并噻吩、二苯并呋喃、二苯并硒吩、呋喃、噻吩、苯并呋喃、苯并噻吩、苯并硒吩、咔唑、吲哚并咔唑、吡啶基吲哚、吡咯并二吡啶、吡唑、咪唑、三唑、噁唑、噻唑、噁二唑、噁三唑、二噁唑、噻二唑、吡啶、嗒嗪、嘧啶、吡嗪、三嗪、噁嗪、噁噻嗪、噁二嗪、吲哚、苯并咪唑、吲唑、吲哚并噁嗪、苯并噁唑、苯并異噁唑、苯并噻唑、喹啉、異喹啉、
Figure 109133695-A0304-12-02
啉、喹唑啉、喹噁啉、
Figure 109133695-A0304-12-03
啶、酞嗪、喋啶、二苯并哌喃、吖啶、啡嗪、啡噻嗪、啡噁嗪、苯并呋喃并吡啶、呋喃并二吡啶、苯并噻吩并吡啶、噻吩并二吡啶、苯并硒吩并吡啶及硒吩并二吡啶;及由2至10個環狀結構單元組成之群,該等結構單元為選自芳族烴環基及芳族雜環基之相同類型或不同類型之基團,且直接或經由氧原子、氮原子、硫原子、矽原子、磷原子、硼原子、鏈結構單元及脂族環基中之至少一者彼此鍵結。每個基團內之每個選擇可未經取代或可經選自由以下組成之群的取代基取代:氘、鹵基、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合。 在一個態樣中,主體化合物在分子中含有以下基團中之至少一者:
Figure 02_image470
Figure 02_image472
其中R101 至R107 中之每一者獨立地選自由以下組成之群:氫、氘、鹵基、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合,且當其為芳基或雜芳基時,其具有與上述Ar類似之定義。k為0至20或1至20之整數;k'"為0至20之整數。X101 至X108 選自C (包括CH)或N。 Z101 及Z102 選自NR101 、O或S。 可與本文中所揭示之材料組合用於OLED之主體材料之非限制性實例與揭示彼等材料之參考文獻一起例示如下: EP2034538、EP2034538A、EP2757608、JP2007254297、KR20100079458、KR20120088644、KR20120129733、KR20130115564、TW201329200、US20030175553、US20050238919、US20060280965、US20090017330、US20090030202、US20090167162、US20090302743、US20090309488、US20100012931、US20100084966、US20100187984、US2010187984、US2012075273、US2012126221、US2013009543、US2013105787、US2013175519、US2014001446、US20140183503、US20140225088、US2014034914、US7154114、WO2001039234、WO2004093207、WO2005014551、WO2005089025、WO2006072002、WO2006114966、WO2007063754、WO2008056746、WO2009003898、WO2009021126、WO2009063833、WO2009066778、WO2009066779、WO2009086028、WO2010056066、WO2010107244、WO2011081423、WO2011081431、WO2011086863、WO2012128298、WO2012133644、WO2012133649、WO2013024872、WO2013035275、WO2013081315、WO2013191404、WO2014142472。
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發射體: 發射體實例不受特別限制,且可使用任何化合物,只要化合物典型地用作發射體材料即可。適合發射體材料之實例包括(但不限於)可經由磷光、螢光、熱激活延遲螢光(即TADF,亦稱為E型延遲螢光)、三重態-三重態消滅或此等製程之組合產生發射之化合物。 可與本文中所揭示之材料組合用於OLED之發射體材料之非限制性實例與揭示彼等材料之參考文獻一起例示如下:CN103694277、CN1696137、EB01238981、EP01239526、EP01961743、EP1239526、EP1244155、EP1642951、EP1647554、EP1841834、EP1841834B、EP2062907、EP2730583、JP2012074444、JP2013110263、JP4478555、KR1020090133652、KR20120032054、KR20130043460、TW201332980、US06699599、US06916554、US20010019782、US20020034656、US20030068526、US20030072964、US20030138657、US20050123788、US20050244673、US2005123791、US2005260449、US20060008670、US20060065890、US20060127696、US20060134459、US20060134462、US20060202194、US20060251923、US20070034863、US20070087321、US20070103060、US20070111026、US20070190359、US20070231600、US2007034863、US2007104979、US2007104980、US2007138437、US2007224450、US2007278936、US20080020237、US20080233410、US20080261076、US20080297033、US200805851、US2008161567、US2008210930、US20090039776、US20090108737、US20090115322、US20090179555、US2009085476、US2009104472、US20100090591、US20100148663、US20100244004、US20100295032、US2010102716、US2010105902、US2010244004、US2010270916、US20110057559、US20110108822、US20110204333、US2011215710、US2011227049、US2011285275、US2012292601、US20130146848、US2013033172、US2013165653、US2013181190、US2013334521、US20140246656、US2014103305、US6303238、US6413656、US6653654、US6670645、US6687266、US6835469、US6921915、US7279704、US7332232、US7378162、US7534505、US7675228、US7728137、US7740957、US7759489、US7951947、US8067099、US8592586、US8871361、WO06081973、WO06121811、WO07018067、WO07108362、WO07115970、WO07115981、WO08035571、WO2002015645、WO2003040257、WO2005019373、WO2006056418、WO2008054584、WO2008078800、WO2008096609、WO2008101842、WO2009000673、WO2009050281、WO2009100991、WO2010028151、WO2010054731、WO2010086089、WO2010118029、WO2011044988、WO2011051404、WO2011107491、WO2012020327、WO2012163471、WO2013094620、WO2013107487、WO2013174471、WO2014007565、WO2014008982、WO2014023377、WO2014024131、WO2014031977、WO2014038456、WO2014112450。
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HBL 電洞阻擋層(HBL)可用以減少離開發射層之電洞及/或激子之數目。與缺乏阻擋層之類似裝置相比,此阻擋層在裝置中之存在可產生實質上較高之效率及/或較長之壽命。此外,阻擋層可用以將發射限於OLED之所要區域。在一些實施例中,與最接近HBL界面之發射體相比,HBL材料具有較低HOMO(距真空能階較遠)及或較高三重態能量。在一些實施例中,與最接近HBL界面之主體中之一或多者相比,HBL材料具有較低HOMO(距真空能階較遠)及或較高三重態能量。 在一個態樣中,HBL中所用之化合物含有用作上述主體之相同分子或相同官能團。 在另一態樣中,HBL中所用之化合物在分子中含有以下基團中之至少一者:
Figure 02_image854
其中k為1至20之整數;L101 為另一配位體,k'為1至3之整數。ETL 電子傳輸層(ETL)可包括能夠傳輸電子之材料。電子傳輸層可為本質的(未摻雜)或經摻雜的。摻雜可用以增強導電性。ETL材料之實例不受特別限制,且可使用任何金屬錯合物或有機化合物,只要其典型地用以傳輸電子即可。 在一個態樣中,ETL中所用之化合物在分子中含有以下基團中之至少一者:
Figure 02_image856
Figure 02_image858
其中R101 選自由以下組成之群:氫、氘、鹵基、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合,當其為芳基或雜芳基時,其具有與上述Ar類似之定義。Ar1 至Ar3 具有與上述Ar類似之定義。k為1至20之整數。X101 至X108 選自C (包括CH)或N。 在另一態樣中,ETL中所用之金屬錯合物含有(但不限於)以下通式:
Figure 02_image860
其中(O-N)或(N-N)為具有與原子O、N或N、N配位之金屬之雙齒配位體;L101 為另一配位體;k'為1至可與金屬連接之最大配位體數之整數值。 可與本文中所揭示之材料組合用於OLED之ETL材料之非限制性實例與揭示彼等材料之參考文獻一起例示如下:CN103508940、EP01602648、EP01734038、EP01956007、JP2004-022334、JP2005149918、JP2005-268199、KR0117693、KR20130108183、US20040036077、US20070104977、US2007018155、US20090101870、US20090115316、US20090140637、US20090179554、US2009218940、US2010108990、US2011156017、US2011210320、US2012193612、US2012214993、US2014014925、US2014014927、US20140284580、US6656612、US8415031、WO2003060956、WO2007111263、WO2009148269、WO2010067894、WO2010072300、WO2011074770、WO2011105373、WO2013079217、WO2013145667、WO2013180376、WO2014104499、WO2014104535。
Figure 02_image862
Figure 02_image864
Figure 02_image866
Figure 02_image868
Figure 02_image870
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Figure 02_image874
Figure 02_image876
Figure 02_image878
Figure 02_image880
Figure 02_image882
Figure 02_image884
Figure 02_image886
Figure 02_image888
Figure 02_image890
Figure 02_image892
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Figure 02_image900
Figure 02_image902
Figure 02_image904
Figure 02_image906
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Figure 02_image912
Figure 02_image914
Figure 02_image916
Figure 02_image918
Figure 02_image920
Figure 02_image922
Figure 02_image924
Figure 02_image926
Figure 02_image928
電荷產生層 (CGL) 在串聯或堆迭OLED中,CGL對效能起基本作用,其由分別用於注入電子及電洞的經n摻雜之層及經p摻雜之層組成。電子及電洞由CGL及電極供應。CGL中消耗之電子及電洞由分別自陰極及陽極注入之電子及電洞再填充;隨後,雙極電流逐漸達至穩定狀態。典型CGL材料包括傳輸層中使用之n及p導電性摻雜劑。 在OLED裝置之每個層中所用之任何上述化合物中,氫原子可部分或完全氘化。因此,任何具體列出之取代基(諸如(但不限於)甲基、苯基、吡啶基等)可為其非氘化、部分氘化及完全氘化形式。類似地,取代基類別(諸如(但不限於)烷基、芳基、環烷基、雜芳基等)亦可為其非氘化、部分氘化及完全氘化形式。實驗 材料合成 除非另外規定,否則所有反應均在氮氣保護下進行。反應之所有溶劑均為無水的且由商業來源按原樣使用。合成化合物 3676 合成 4-(3,5- 二甲基苯基 )-7- 異丙基噻吩并 [3,2-d] 嘧啶
Figure 02_image930
將4-氯-7-異丙基噻吩并[3,2-d]嘧啶(4.50 g,21.2 mmol)、Pd(PPh3 )4 (0.73 g,0.64 mmol)、碳酸鉀(7.31 g,52.9 mmol)、四氫呋喃(THF) (200 ml)及水(50.0 ml)組合於燒瓶中。將混合物藉由鼓泡氮氣而脫氣15分鐘,且隨後將反應物加熱至回流隔夜。將反應物用乙酸乙酯萃取,且用鹽水洗滌,用硫酸鈉乾燥,過濾,且濃縮。將褐色油用矽膠使用DCM至90/10 DCM/乙酸乙酯溶劑系統純化。將橙色油進一步用矽膠使用75/25庚烷/乙酸乙酯溶劑系統純化,得到5.50 g產率為90%之白色固體。合成 Ir(III) 二聚體
Figure 02_image932
將4-(3,5-二甲基苯基)-7-異丙基噻吩并[3,2-d]嘧啶(3.07 g,10.9 mmol)添加至燒瓶中,且溶解於2-乙氧基乙醇(40 mL)及水(13 mL)中。將混合物藉由鼓泡氮氣而脫氣15分鐘,隨後添加IrCl3 H8 O4 (1.15 g,3.10 mmol)。將反應物在105℃下在氮氣下加熱24小時。將反應物冷卻至室溫,用10 mL MeOH稀釋,過濾,且用MeOH洗滌,得到1.6 g產率為65%之固體。合成化合物 3676
Figure 02_image934
將Ir(III)二聚體(1.00 g,0.63 mmol)、3,7-二乙基壬-4,6-二酮(1.34 g,6.33 mmol)及2-乙氧基乙醇(15 ml)組合於燒瓶中。將氮氣鼓泡至懸浮液中持續15分鐘,且添加碳酸鉀(0.87 g,6.33 mmol)。在室溫下攪拌反應物隔夜。將混合物通過矽藻土使用二氯甲烷(DCM)過濾,且濃縮濾液。將固體於100 mL MeOH中研磨,且過濾出固體。將固體用矽膠(用三乙胺預處理)使用95/5至90/10庚烷/DCM純化,得到0.45 g標題化合物(37%產率)。合成化合物 6796 合成 6,7- 二氯 -4-(3,5- 二甲基苯基 ) 噻吩并 [3,2-d] 嘧啶
Figure 02_image936
將4,6,7-三氯噻吩并[3,2-d]嘧啶(12.0 g,50.1 mmol)、(3,5-二甲基苯基)硼酸(8.27 g,55.1 mmol)、碳酸鉀(17.3 g,125 mmol)、THF (300 mL)及水(75 mL)組合於燒瓶中。將溶液用氮氣吹掃15分鐘,隨後添加肆(三苯基膦)鈀(1.74 g,1.503 mmol)。將反應物在氮氣下加熱至回流隔夜。將反應混合物用乙酸乙酯萃取(3次),隨後用鹽水及水洗滌。將黃色固體用矽膠使用90/10庚烷/EtOac作為溶劑系統純化,得到白色固體。將樣品進一步用矽膠使用DCM至95/5 DCM/EtOac作為溶劑系統純化,得到8.4 g產率為54%之白色固體。合成 4-(3,5- 二甲基苯基 )-6,7- (3,3,3- 三氟丙基 ) 噻吩并 [3,2-d] 嘧啶
Figure 02_image938
將6,7-二氯-4-(3,5-二甲基苯基)噻吩并[3,2-d]嘧啶(5.00 g,16.2 mmol)、乙酸鈀(II) (0.73 g,3.23 mmol)及2'-(二環己基膦基)-N2,N2,N6,N6-四甲基-[1,1'-聯苯]-2,6-二胺(CPhos) (2.82 g,6.47 mmol)組合於經烘箱乾燥之燒瓶中。將系統用氮氣吹掃,隨後藉助注射器添加THF (50 mL)。將反應物攪拌15分鐘,隨後藉助注射器快速添加(3,3,3-三氟丙基)碘化鋅(II) (300 mL,64.7 mmol)。將反應物在室溫下攪拌隔夜,且隨後將其用碳酸氫鈉溶液淬滅。將混合物用乙酸乙酯萃取3次,且將懸浮液通過矽藻土過濾以移除不溶性固體。將有機相用鹽水洗滌兩次,用硫酸鈉乾燥,過濾,且濃縮為褐色油。將粗產物用矽膠使用90/10庚烷/乙酸乙酯純化,得到淡褐色油。將樣品進一步用C18管柱使用70/30至90/10乙腈/水作為溶劑系統純化,得到2.56 g產率為37%之白色固體。合成 Ir(III) 二聚體
Figure 02_image940
將4-(3,5-二甲基苯基)-6,7-雙(3,3,3-三氟丙基)噻吩并[3,2-d]嘧啶(2.86 g,6.61 mmol)、2-乙氧基乙醇(24 mL)及水(8 mL)組合於燒瓶中。將氮氣鼓泡至反應物中持續15分鐘,隨後添加IrCl3 H8 O4 (0.70 g,1.89 mmol)。將反應物在105℃下在氮氣下加熱隔夜。將反應物冷卻,且用10 mL MeOH稀釋,過濾,且用MeOH洗滌,得到2.28 g(定量產率)橙紅色固體。合成化合物 6796
Figure 02_image942
將Ir(III)二聚體(2.10 g,1.59 mmol)、3,7-二乙基-5-甲基壬-4,6-二酮(4.0 ml,15.9 mmol)及2-乙氧基乙醇(30 ml)組合於燒瓶中。將氮氣鼓泡至懸浮液中持續15分鐘,隨後添加碳酸鉀(2.20 g,15.9 mmol)。在室溫下攪拌反應物隔夜。在反應完成後,將反應物稀釋於DCM中,且通過矽藻土過濾。將紅色油於75 mL熱MeOH中濕磨,冷卻至室溫,且隨後過濾。將固體用矽膠(用三乙胺預處理)使用95/5至85/15庚烷/DCM溶劑系統純化,得到1.41 g標題化合物(35%產率)。合成化合物 6841 合成 6- -4-(3,5- 二甲基苯基 )-7- 異丙基噻吩并 [3,2-d] 嘧啶
Figure 02_image944
添加4-(3,5-二甲基苯基)-7-異丙基噻吩并[3,2-d]嘧啶(5.00 g,17.7 mmol)至經烘箱乾燥之燒瓶。將系統抽空且用氮氣吹掃三次。添加THF (200 mL),且將溶液冷卻至-70℃,隨後逐滴添加2.5 M丁基鋰(8.5 mL,21.3 mmol)。將反應物在此溫度下攪拌三小時,隨後逐滴添加二溴(1.0 mL,19.5 mmol)。將反應物在-70℃下攪拌30分鐘,隨後使其升溫至室溫,且攪拌隔夜。將混合物用水淬滅,且用乙酸乙酯萃取,且用鹽水洗滌兩次,經硫酸鈉乾燥,過濾,且濃縮為橙黃色固體。將粗產物用矽膠使用95/5至90/10庚烷/EtOac溶劑系統純化,得到灰白色固體。使用97.5/2.5至95/5庚烷/EtOac溶劑系統重複矽膠純化,得到5.10 g產率為80%之白色固體。合成 4-(3,5- 二甲基苯基 )-7- 異丙基 -6-(3,3,3- 三氟 -2,2- 二甲基丙基 ) 噻吩并 [3,2-d] 嘧啶
Figure 02_image946
將6-溴-4-(3,5-二甲基苯基)-7-異丙基噻吩并[3,2-d]嘧啶(4.50 g,12.5 mmol)、乙酸鈀(II) (0.11 g,0.50 mmol)及2'-(二環己基膦基)-N2,N2,N6,N6-四甲基-[1,1'-聯苯]-2,6-二胺(Cphos) (0.44 g,1.00 mmol)組合於經烘箱乾燥之燒瓶中。將固體溶解於THF (50 mL)中,且將反應物攪拌15分鐘,隨後藉助注射器添加(3,3,3-三氟-2,2-二甲基丙基)溴化鋅(II) (110 ml,24.9 mmol),且將混合物攪拌隔夜。將反應物用碳酸氫鈉溶液淬滅,用乙酸乙酯萃取(3次)。將經合併之有機物用鹽水洗滌兩次,用硫酸鈉乾燥,過濾,且濃縮。將粗產物用矽膠使用85/15庚烷/乙酸乙酯純化,得到5.0 g褐色油。將產物再次用矽膠使用97.5/2.5至95/5庚烷/乙酸乙酯純化,得到4.1 g透明油,將其變為產率為80%之白色固體。合成 Ir(III) 二聚體
Figure 02_image948
將4-(3,5-二甲基苯基)-7-異丙基-6-(3,3,3-三氟-2,2-二甲基丙基)噻吩并[3,2-d]嘧啶(3.84 g,9.44 mmol)、2-乙氧基乙醇(34 mL)及水(11 mL)組合於燒瓶中。將混合物藉由鼓泡氮氣而脫氣15分鐘,隨後添加IrCl3 H8 O4 (1.00 g,2.70 mmol)。將反應物在105℃下加熱24小時。將反應物冷卻至室溫,用30 ml MeOH稀釋,隨後將產物過濾且用MeOH洗滌,得到2.50 g(定量產率)。合成化合物 6841
Figure 02_image950
將Ir(III)二聚體(2.00 g,1.58 mmol)、3,7-二乙基-5-甲基壬-4,6-二酮(3.58 g,15.8 mmol)及2-乙氧基乙醇(30 ml)組合於燒瓶中。將氮氣鼓泡至懸浮液中持續15分鐘,且隨後添加碳酸鉀(2.18 g,15.8 mmol)。在室溫下攪拌反應物隔夜。將混合物通過矽藻土使用DCM過濾,且濃縮濾液。將固體於100 mL MeOH中濕磨,且過濾出固體。將固體用矽膠(用三乙胺預處理)使用90/10庚烷/DCM純化,得到1.20 g標題化合物(31%產率)。合成化合物 6836
Figure 02_image952
將Ir(III)二聚體(1.80 g,1.14 mmol)、3,7-二乙基-5-甲基壬-4,6-二酮(2.9 mL,11.4 mmol)及2-乙氧基乙醇(25 ml)組合於燒瓶中。將氮氣鼓泡至懸浮液中持續15分鐘,且隨後添加碳酸鉀(1.57 g,11.4 mmol)。在室溫下攪拌反應物隔夜。將混合物通過矽藻土使用DCM過濾,且濃縮濾液。將固體於100 mL MeOH中濕磨,且過濾出。將粗產物用矽膠(用三乙胺預處理)使用95/5至90/10庚烷/DCM純化,得到1.20 g標題化合物(54%產率)。合成比較化合物 1 合成 Ir(III) 二聚體
Figure 02_image954
將7-(3,5-二甲基苯基)噻吩并[2,3-c]吡啶(2.063 g,8.62 mmol)溶解於乙氧基乙醇(26 mL)及水(9 mL)中。將混合物藉由鼓泡氮氣而脫氣15分鐘,且隨後添加三水合氯化銥(III) (0.80 g,2.269 mmol),且將反應物在105℃下加熱24小時。將反應物冷卻至室溫,用10 mL MeOH稀釋,過濾,且用MeOH洗滌,得到1.20 g (75%產率)產物。合成比較化合物 1
Figure 02_image956
將Ir(III)二聚體(1.15 g,0.82 mmol)、3,7-二乙基壬-4,6-二酮(1.30 g,6.12 mmol)及2-乙氧基乙醇(14 mL)組合,且將混合物用氮氣吹掃15分鐘。添加碳酸鉀(0.85 g,6.12 mmol),且將反應物在室溫下攪拌隔夜。將混合物溶解於DCM中,且通過矽藻土墊過濾。將溶劑旋轉蒸發,且將混合物由甲醇濕磨且過濾。將粗物質進一步藉助管柱層析法(用三乙胺預處理)使用庚烷/DCM (95/5)溶劑系統純化。隨後將產物由DCM/MeOH混合物再結晶,得到1.30 g (90%產率)橙色粉末。裝置實例 所有實例裝置均藉由高真空(< 10-7 托)熱蒸發製造。陽極電極為1150 Å之氧化銦錫(ITO)。陰極由10 Å之Liq (8-羥基喹啉鋰)接著為1,000 Å之Al組成。在製造之後將所有裝置立即用經環氧樹脂密封之玻璃蓋包封於氮氣手套箱(<1 ppm之H2 O及O2 )中,且將吸濕氣劑併入至包裝內部。裝置實例之有機堆疊自ITO表面依序由以下組成:100 Å之LG101(購自LG chem)作為電洞注入層(HIL);400 Å之HTM作為電洞傳輸層(HTL);300 Å之含有化合物H作為主體、穩定性摻雜劑(SD) (18%)以及比較化合物1或化合物3676、6836及6841作為發射體(3%)之發射層(EML);100 Å之化合物H作為阻擋層;及350 Å之摻雜有40% ETM之Liq (8-羥基喹啉鋰)作為ETL。發射體經選擇以提供所要顏色、效率及壽命。穩定性摻雜劑(SD)添加至電子傳輸主體以幫助傳輸發射層中之正電荷。類似於裝置實例製造比較實例裝置,不同之處在於將比較化合物1用作EML中之發射體。下表3展示裝置層厚度及材料。裝置中所用之材料的化學結構展示於下表5中。 裝置效能資料概述於下表4中。本發明化合物相較於比較化合物1具有長得多之壽命。此外,化合物3676、6836及6841對比比較化合物1在顏色飽和度方面具有優越效能,觀測到28至38 nm之紅移。此外,本發明化合物得到與比較化合物1相比類似或更高之EQE。 表3. 裝置層材料及厚度
材料 厚度[Å]
陽極 ITO 1150
HIL LG101 (LG chem) 100
HTL HTM 400
EML 化合物H:SD 18%:發射體3% 300
BL 化合物H 100
ETL Liq:ETM 40% 350
EIL Liq 10
陰極 Al 1000
表4. 裝置效能資料
裝置實例 發射體 1931 CIE λ max [nm] FWHM [nm] 在10 mA/cm2 在80 mA/cm2
x y 電壓 EQE LT95%
[V] [%] [h]
實例1 化合物6841 0.649 0.349 618 54 1.00 1.04 11.5
實例2 化合物6836 0.650 0.348 617 59 1.00 0.92 9.82
實例3 化合物3676 0.629 0.369 608 55 1.03 1.00 7.91
CE1 比較化合物1 0.547 0.451 580 48 1.00 1.00 1
表5. OLED裝置中所用之材料
Figure 02_image958
化合物H
Figure 02_image960
SD
Figure 02_image962
比較化合物1
Figure 02_image964
Figure 02_image966
Figure 02_image968
Figure 02_image970
化合物6841
化合物6836
Figure 02_image972
化合物3676
Figure 02_image974
應理解,本文所述之各種實施例僅作為實例,且無意限制本發明之範疇。舉例而言,本文所述之材料及結構中之許多可用其他材料及結構來取代,而不脫離本發明之精神。如所主張之本發明因此可包括本文所述之具體實例及較佳實施例之變化,如熟習此項技術者將明白。應理解,關於本發明為何起作用之各種理論無意為限制性的。
100:有機發光裝置 110:基板 115:陽極 120:電洞注入層 125:電洞傳輸層 130:電子阻擋層 135:發射層 140:電洞阻擋層 145:電子傳輸層 150:電子注入層 155:保護層 160:陰極 162:第一導電層 164:第二導電層 200:倒轉的OLED 210:基板 215:陰極 220:發射層 225:電洞傳輸層 230:陽極
圖1展示有機發光裝置。 圖2展示不具有單獨電子傳輸層之倒轉的有機發光裝置。
Figure 109133695-A0101-11-0002-1
100:有機發光裝置
110:基板
115:陽極
120:電洞注入層
125:電洞傳輸層
130:電子阻擋層
135:發射層
140:電洞阻擋層
145:電子傳輸層
150:電子注入層
155:保護層
160:陰極
162:第一導電層
164:第二導電層

Claims (15)

  1. 一種化合物,其包含式I之配位體LA
    Figure 03_image001
    式I; 其中環A為5員或6員碳環或雜環; 其中R稠合至環B且具有式II之結構:
    Figure 03_image006
    式II; 其中波形線表示與環B之鍵; 其中R1 表示單取代基、二取代基、三取代基或四取代基或無取代基; 其中R2 表示單取代基或二取代基或無取代基; 其中X1 、X2 、X3 及X4 各自獨立地為碳或氮; 其中至少兩個相鄰的X1 、X2 、X3 及X4 為碳且稠合至R; 其中X係選自由以下組成之群:BR'、NR'、PR'、O、S、Se、C=O、S=O、SO2 、CR'R"、SiR'R"及GeR'R"; 其中R1 、R2 、R3 、R4 、R'及R"各自獨立地選自由以下組成之群:氫、氘、鹵素、烷基、環烷基、雜烷基、芳烷基、烷氧基、芳氧基、胺基、矽烷基、烯基、環烯基、雜烯基、炔基、芳基、雜芳基、醯基、羰基、羧酸基、酯基、腈基、異腈基、硫基、亞磺醯基、磺醯基、膦基及其組合;且其中任兩個相鄰取代基視情況連接以形成環; 其中R3 及R4 中之至少一者包含選自由以下組成之群的化學基團:烷基、環烷基、部分氟化之烷基、部分氟化之環烷基及其組合; 其中該配位體LA 配位至金屬M; 其中該配位體LA 視情況與其他配位體鍵聯以包含三齒、四齒、五齒或六齒配位體; 其中M視情況配位至其他配位體; 其中R3 及R4 不為氫。
  2. 如請求項1之化合物,其中M係選自由以下組成之群:Ir、Rh、Re、Ru、Os、Pt、Au及Cu。
  3. 如請求項1之化合物,其中該配位體LA 係選自由以下組成之群:
    Figure 03_image010
    Figure 03_image012
    Figure 03_image014
    Figure 03_image016
    Figure 03_image018
    Figure 03_image020
    Figure 03_image022
    Figure 03_image024
    Figure 03_image026
    Figure 03_image028
    Figure 03_image030
    Figure 03_image032
    Figure 03_image034
    Figure 03_image036
    Figure 03_image038
    Figure 03_image040
  4. 如請求項1之化合物,其中該配位體LA 為:
    Figure 03_image042
  5. 如請求項1之化合物,其中R3 及R4 中之至少一者為選自由以下組成之群的化學基團:部分氟化之烷基、部分氟化之環烷基及其組合。
  6. 如請求項1之化合物,其中X1 、X2 、X3 及X4 中之至少一者為氮。
  7. 如請求項1之化合物,其中R3 及R4 中之至少一者係選自由以下組成之群:
    Figure 03_image046
    Figure 03_image048
    Figure 03_image050
    Figure 03_image052
    Figure 03_image054
    Figure 03_image056
    Figure 03_image058
    Figure 03_image060
    Figure 03_image062
    Figure 03_image064
    Figure 03_image066
    Figure 03_image068
    Figure 03_image070
    Figure 03_image072
    Figure 03_image074
    Figure 03_image076
    Figure 03_image078
    Figure 03_image080
    Figure 03_image082
    Figure 03_image084
    Figure 03_image086
    Figure 03_image088
    Figure 03_image090
    Figure 03_image092
    Figure 03_image094
    Figure 03_image096
    Figure 03_image098
    Figure 03_image100
    Figure 03_image102
    Figure 03_image104
    Figure 03_image106
    Figure 03_image108
    Figure 03_image110
    Figure 03_image112
    Figure 03_image114
    Figure 03_image116
    Figure 03_image118
    Figure 03_image120
    Figure 03_image122
    Figure 03_image124
    Figure 03_image126
    Figure 03_image154
    Figure 03_image156
    Figure 03_image158
    Figure 03_image160
    Figure 03_image162
    Figure 03_image164
    Figure 03_image166
    Figure 03_image168
    Figure 03_image170
    Figure 03_image172
  8. 如請求項1之化合物,其中R3 與R4 連接以形成選自由以下組成之群的環結構:
    Figure 03_image128
    Figure 03_image130
    Figure 03_image132
    Figure 03_image134
    Figure 03_image136
    Figure 03_image138
    Figure 03_image140
    Figure 03_image142
    Figure 03_image144
    Figure 03_image146
    Figure 03_image148
    Figure 03_image150
    Figure 03_image152
  9. 如請求項1之化合物,其中該配位體LA 係選自由以下組成之群:
    Figure 03_image174
    Figure 03_image176
    Figure 03_image178
    Figure 03_image180
    Figure 03_image182
    Figure 03_image184
    Figure 03_image186
    Figure 03_image188
  10. 如請求項1之化合物,其中該配位體LA 係選自由以下組成之群:如下定義之LA1 至LA750 : LA1 至LA375 係基於式IV之結構,
    Figure 03_image190
    ,其中R3 、R4 及X定義為: 配位體 R3 R4 X 配位體 R3 R4 X 配位體 R3 R4 X LA1 H RA2 O LA126 RA2 RB4 S LA251 RA2 RA28 NCH3 LA2 RA2 RA2 O LA127 RA3 RB4 S LA252 RA3 RA28 NCH3 LA3 RA3 RA2 O LA128 RA14 RB4 S LA253 RA14 RA28 NCH3 LA4 RA14 RA2 O LA129 RA22 RB4 S LA254 RA22 RA28 NCH3 LA5 RA22 RA2 O LA130 RA28 RB4 S LA255 RA28 RA28 NCH3 LA6 RA28 RA2 O LA131 RB1 RA2 S LA256 RA2 H NCH3 LA7 H RA3 O LA132 RB1 RA3 S LA257 RA3 H NCH3 LA8 RA2 RA3 O LA133 RB1 RA14 S LA258 RA14 H NCH3 LA9 RA3 RA3 O LA134 RB1 RA22 S LA259 RA22 H NCH3 LA10 RA14 RA3 O LA135 RB1 RA28 S LA260 RA28 H NCH3 LA11 RA22 RA3 O LA136 RB2 RA2 S LA261 RA2 RB1 NCH3 LA12 RA28 RA3 O LA137 RB2 RA3 S LA262 RA3 RB1 NCH3 LA13 H RA14 O LA138 RB2 RA14 S LA263 RA14 RB1 NCH3 LA14 RA2 RA14 O LA139 RB2 RA22 S LA264 RA22 RB1 NCH3 LA15 RA3 RA14 O LA140 RB2 RA28 S LA265 RA28 RB1 NCH3 LA16 RA14 RA14 O LA141 RB3 RA2 S LA266 RA2 RB2 NCH3 LA17 RA22 RA14 O LA142 RB3 RA3 S LA267 RA3 RB2 NCH3 LA18 RA28 RA14 O LA143 RB3 RA14 S LA268 RA14 RB2 NCH3 LA19 H RA22 O LA144 RB3 RA22 S LA269 RA22 RB2 NCH3 LA20 RA2 RA22 O LA145 RB3 RA28 S LA270 RA28 RB2 NCH3 LA21 RA3 RA22 O LA146 RB4 RA2 S LA271 RA2 RB3 NCH3 LA22 RA14 RA22 O LA147 RB4 RA3 S LA272 RA3 RB3 NCH3 LA23 RA22 RA22 O LA148 RB4 RA14 S LA273 RA14 RB3 NCH3 LA24 RA28 RA22 O LA149 RB4 RA22 S LA274 RA22 RB3 NCH3 LA25 H RA28 O LA150 RB4 RA28 S LA275 RA28 RB3 NCH3 LA26 RA2 RA28 O LA151 H RA2 C(CH3 )2 LA276 RA2 RB4 NCH3 LA27 RA3 RA28 O LA152 RA2 RA2 C(CH3 )2 LA277 RA3 RB4 NCH3 LA28 RA14 RA28 O LA153 RA3 RA2 C(CH3 )2 LA278 RA14 RB4 NCH3 LA29 RA22 RA28 O LA154 RA14 RA2 C(CH3 )2 LA279 RA22 RB4 NCH3 LA30 RA28 RA28 O LA155 RA22 RA2 C(CH3 )2 LA280 RA28 RB4 NCH3 LA31 RA2 H O LA156 RA28 RA2 C(CH3 )2 LA281 RA2 RB1 NCH3 LA32 RA3 H O LA157 H RA3 C(CH3 )2 LA282 RA3 RB1 NCH3 LA33 RA14 H O LA158 RA2 RA3 C(CH3 )2 LA283 RA14 RB1 NCH3 LA34 RA22 H O LA159 RA3 RA3 C(CH3 )2 LA284 RA22 RB1 NCH3 LA35 RA28 H O LA160 RA14 RA3 C(CH3 )2 LA285 RA28 RB1 NCH3 LA36 RA2 RB1 O LA161 RA22 RA3 C(CH3 )2 LA286 RA2 RB2 NCH3 LA37 RA3 RB1 O LA162 RA28 RA3 C(CH3 )2 LA287 RA3 RB2 NCH3 LA38 RA14 RB1 O LA163 H RA14 C(CH3 )2 LA288 RA14 RB2 NCH3 LA39 RA22 RB1 O LA164 RA2 RA14 C(CH3 )2 LA289 RA22 RB2 NCH3 LA40 RA28 RB1 O LA165 RA3 RA14 C(CH3 )2 LA290 RA28 RB2 NCH3 LA41 RA2 RB2 O LA166 RA14 RA14 C(CH3 )2 LA291 RA2 RB3 NCH3 LA42 RA3 RB2 O LA167 RA22 RA14 C(CH3 )2 LA292 RA3 RB3 NCH3 LA43 RA14 RB2 O LA168 RA28 RA14 C(CH3 )2 LA293 RA14 RB3 NCH3 LA44 RA22 RB2 O LA169 H RA22 C(CH3 )2 LA294 RA22 RB3 NCH3 LA45 RA28 RB2 O LA170 RA2 RA22 C(CH3 )2 LA295 RA28 RB3 NCH3 LA46 RA2 RB3 O LA171 RA3 RA22 C(CH3 )2 LA296 RA2 RB4 NCH3 LA47 RA3 RB3 O LA172 RA14 RA22 C(CH3 )2 LA297 RA3 RB4 NCH3 LA48 RA14 RB3 O LA173 RA22 RA22 C(CH3 )2 LA298 RA14 RB4 NCH3 LA49 RA22 RB3 O LA174 RA28 RA22 C(CH3 )2 LA299 RA22 RB4 NCH3 LA50 RA28 RB3 O LA175 H RA28 C(CH3 )2 LA300 RA28 RB4 NCH3 LA51 RA2 RB4 O LA176 RA2 RA28 C(CH3 )2 LA301 H RA2 N(異丁基) LA52 RA3 RB4 O LA177 RA3 RA28 C(CH3 )2 LA302 RA2 RA2 N(異丁基) LA53 RA14 RB4 O LA178 RA14 RA28 C(CH3 )2 LA303 RA3 RA2 N(異丁基) LA54 RA22 RB4 O LA179 RA22 RA28 C(CH3 )2 LA304 RA14 RA2 N(異丁基) LA55 RA28 RB4 O LA180 RA28 RA28 C(CH3 )2 LA305 RA22 RA2 N(異丁基) LA56 RB1 RA2 O LA181 RA2 H C(CH3 )2 LA306 RA28 RA2 N(異丁基) LA57 RB1 RA3 O LA182 RA3 H C(CH3 )2 LA307 H RA3 N(異丁基) LA58 RB1 RA14 O LA183 RA14 H C(CH3 )2 LA308 RA2 RA3 N(異丁基) LA59 RB1 RA22 O LA184 RA22 H C(CH3 )2 LA309 RA3 RA3 N(異丁基) LA60 RB1 RA28 O LA185 RA28 H C(CH3 )2 LA310 RA14 RA3 N(異丁基) LA61 RB2 RA2 O LA186 RA2 RB1 C(CH3 )2 LA311 RA22 RA3 N(異丁基) LA62 RB2 RA3 O LA187 RA3 RB1 C(CH3 )2 LA312 RA28 RA3 N(異丁基) LA63 RB2 RA14 O LA188 RA14 RB1 C(CH3 )2 LA313 H RA14 N(異丁基) LA64 RB2 RA22 O LA189 RA22 RB1 C(CH3 )2 LA314 RA2 RA14 N(異丁基) LA65 RB2 RA28 O LA190 RA28 RB1 C(CH3 )2 LA315 RA3 RA14 N(異丁基) LA66 RB3 RA2 O LA191 RA2 RB2 C(CH3 )2 LA316 RA14 RA14 N(異丁基) LA67 RB3 RA3 O LA192 RA3 RB2 C(CH3 )2 LA317 RA22 RA14 N(異丁基) LA68 RB3 RA14 O LA193 RA14 RB2 C(CH3 )2 LA318 RA28 RA14 N(異丁基) LA69 RB3 RA22 O LA194 RA22 RB2 C(CH3 )2 LA319 H RA22 N(異丁基) LA70 RB3 RA28 O LA195 RA28 RB2 C(CH3 )2 LA320 RA2 RA22 N(異丁基) LA71 RB4 RA2 O LA196 RA2 RB3 C(CH3 )2 LA321 RA3 RA22 N(異丁基) LA72 RB4 RA3 O LA197 RA3 RB3 C(CH3 )2 LA322 RA14 RA22 N(異丁基) LA73 RB4 RA14 O LA198 RA14 RB3 C(CH3 )2 LA323 RA22 RA22 N(異丁基) LA74 RB4 RA22 O LA199 RA22 RB3 C(CH3 )2 LA324 RA28 RA22 N(異丁基) LA75 RB4 RA28 O LA200 RA28 RB3 C(CH3 )2 LA325 H RA28 N(異丁基) LA76 H RA2 S LA201 RA2 RB4 C(CH3 )2 LA326 RA2 RA28 N(異丁基) LA77 RA2 RA2 S LA202 RA3 RB4 C(CH3 )2 LA327 RA3 RA28 N(異丁基) LA78 RA3 RA2 S LA203 RA14 RB4 C(CH3 )2 LA328 RA14 RA28 N(異丁基) LA79 RA14 RA2 S LA204 RA22 RB4 C(CH3 )2 LA329 RA22 RA28 N(異丁基) LA80 RA22 RA2 S LA205 RA28 RB4 C(CH3 )2 LA330 RA28 RA28 N(異丁基) LA81 RA28 RA2 S LA206 RB1 RA2 C(CH3 )2 LA331 RA2 H N(異丁基) LA82 H RA3 S LA207 RB1 RA3 C(CH3 )2 LA332 RA3 H N(異丁基) LA83 RA2 RA3 S LA208 RB1 RA14 C(CH3 )2 LA333 RA14 H N(異丁基) LA84 RA3 RA3 S LA209 RB1 RA22 C(CH3 )2 LA334 RA22 H N(異丁基) LA85 RA14 RA3 S LA210 RB1 RA28 C(CH3 )2 LA335 RA28 H N(異丁基) LA86 RA22 RA3 S LA211 RB2 RA2 C(CH3 )2 LA336 RA2 RB1 N(異丁基) LA87 RA28 RA3 S LA212 RB2 RA3 C(CH3 )2 LA337 RA3 RB1 N(異丁基) LA88 H RA14 S LA213 RB2 RA14 C(CH3 )2 LA338 RA14 RB1 N(異丁基) LA89 RA2 RA14 S LA214 RB2 RA22 C(CH3 )2 LA339 RA22 RB1 N(異丁基) LA90 RA3 RA14 S LA215 RB2 RA28 C(CH3 )2 LA340 RA28 RB1 N(異丁基) LA91 RA14 RA14 S LA216 RB3 RA2 C(CH3 )2 LA341 RA2 RB2 N(異丁基) LA92 RA22 RA14 S LA217 RB3 RA3 C(CH3 )2 LA342 RA3 RB2 N(異丁基) LA93 RA28 RA14 S LA218 RB3 RA14 C(CH3 )2 LA343 RA14 RB2 N(異丁基) LA94 H RA22 S LA219 RB3 RA22 C(CH3 )2 LA344 RA22 RB2 N(異丁基) LA95 RA2 RA22 S LA220 RB3 RA28 C(CH3 )2 LA345 RA28 RB2 N(異丁基) LA96 RA3 RA22 S LA221 RB4 RA2 C(CH3 )2 LA346 RA2 RB3 N(異丁基) LA97 RA14 RA22 S LA222 RB4 RA3 C(CH3 )2 LA347 RA3 RB3 N(異丁基) LA98 RA22 RA22 S LA223 RB4 RA14 C(CH3 )2 LA348 RA14 RB3 N(異丁基) LA99 RA28 RA22 S LA224 RB4 RA22 C(CH3 )2 LA349 RA22 RB3 N(異丁基) LA100 H RA28 S LA225 RB4 RA28 C(CH3 )2 LA350 RA28 RB3 N(異丁基) LA101 RA2 RA28 S LA226 H RA2 NCH3 LA351 RA2 RB4 N(異丁基) LA102 RA3 RA28 S LA227 RA2 RA2 NCH3 LA352 RA3 RB4 N(異丁基) LA103 RA14 RA28 S LA228 RA3 RA2 NCH3 LA353 RA14 RB4 N(異丁基) LA104 RA22 RA28 S LA229 RA14 RA2 NCH3 LA354 RA22 RB4 N(異丁基) LA105 RA28 RA28 S LA230 RA22 RA2 NCH3 LA355 RA28 RB4 N(異丁基) LA106 RA2 H S LA231 RA28 RA2 NCH3 LA356 RB1 RA2 N(異丁基) LA107 RA3 H S LA232 H RA3 NCH3 LA357 RB1 RA3 N(異丁基) LA108 RA14 H S LA233 RA2 RA3 NCH3 LA358 RB1 RA14 N(異丁基) LA109 RA22 H S LA234 RA3 RA3 NCH3 LA359 RB1 RA22 N(異丁基) LA110 RA28 H S LA235 RA14 RA3 NCH3 LA360 RB1 RA28 N(異丁基) LA111 RA2 RB1 S LA236 RA22 RA3 NCH3 LA361 RB2 RA2 N(異丁基) LA112 RA3 RB1 S LA237 RA28 RA3 NCH3 LA362 RB2 RA3 N(異丁基) LA113 RA14 RB1 S LA238 H RA14 NCH3 LA363 RB2 RA14 N(異丁基) LA114 RA22 RB1 S LA239 RA2 RA14 NCH3 LA364 RB2 RA22 N(異丁基) LA115 RA28 RB1 S LA240 RA3 RA14 NCH3 LA365 RB2 RA28 N(異丁基) LA116 RA2 RB2 S LA241 RA14 RA14 NCH3 LA366 RB3 RA2 N(異丁基) LA117 RA3 RB2 S LA242 RA22 RA14 NCH3 LA367 RB3 RA3 N(異丁基) LA118 RA14 RB2 S LA243 RA28 RA14 NCH3 LA368 RB3 RA14 N(異丁基) LA119 RA22 RB2 S LA244 H RA22 NCH3 LA369 RB3 RA22 N(異丁基) LA120 RA28 RB2 S LA245 RA2 RA22 NCH3 LA370 RB3 RA28 N(異丁基) LA121 RA2 RB3 S LA246 RA3 RA22 NCH3 LA371 RB4 RA2 N(異丁基) LA122 RA3 RB3 S LA247 RA14 RA22 NCH3 LA372 RB4 RA3 N(異丁基) LA123 RA14 RB3 S LA248 RA22 RA22 NCH3 LA373 RB4 RA14 N(異丁基) LA124 RA22 RB3 S LA249 RA28 RA22 NCH3 LA374 RB4 RA22 N(異丁基) LA125 RA28 RB3 S LA250 H RA28 NCH3 LA375 RB4 RA28 N(異丁基)
    且LA376 至LA750 係基於式V之結構,
    Figure 03_image192
    ,其中R3 、R4 及X定義為: 配位體 R3 R4 X 配位體 R3 R4 X 配位體 R3 R4 X LA376 H RA2 O LA501 RA2 RB4 S LA626 RA2 RA28 NCH3 LA377 RA2 RA2 O LA502 RA3 RB4 S LA627 RA3 RA28 NCH3 LA378 RA3 RA2 O LA503 RA14 RB4 S LA628 RA14 RA28 NCH3 LA379 RA14 RA2 O LA504 RA22 RB4 S LA629 RA22 RA28 NCH3 LA380 RA22 RA2 O LA505 RA28 RB4 S LA630 RA28 RA28 NCH3 LA381 RA28 RA2 O LA506 RB1 RA2 S LA631 RA2 H NCH3 LA382 H RA3 O LA507 RB1 RA3 S LA632 RA3 H NCH3 LA383 RA2 RA3 O LA508 RB1 RA14 S LA633 RA14 H NCH3 LA384 RA3 RA3 O LA509 RB1 RA22 S LA634 RA22 H NCH3 LA385 RA14 RA3 O LA510 RB1 RA28 S LA635 RA28 H NCH3 LA386 RA22 RA3 O LA511 RB2 RA2 S LA636 RA2 RB1 NCH3 LA387 RA28 RA3 O LA512 RB2 RA3 S LA637 RA3 RB1 NCH3 LA388 H RA14 O LA513 RB2 RA14 S LA638 RA14 RB1 NCH3 LA389 RA2 RA14 O LA514 RB2 RA22 S LA639 RA22 RB1 NCH3 LA390 RA3 RA14 O LA515 RB2 RA28 S LA640 RA28 RB1 NCH3 LA391 RA14 RA14 O LA516 RB3 RA2 S LA641 RA2 RB2 NCH3 LA392 RA22 RA14 O LA517 RB3 RA3 S LA642 RA3 RB2 NCH3 LA393 RA28 RA14 O LA518 RB3 RA14 S LA643 RA14 RB2 NCH3 LA394 H RA22 O LA519 RB3 RA22 S LA644 RA22 RB2 NCH3 LA395 RA2 RA22 O LA520 RB3 RA28 S LA645 RA28 RB2 NCH3 LA396 RA3 RA22 O LA521 RB4 RA2 S LA646 RA2 RB3 NCH3 LA397 RA14 RA22 O LA522 RB4 RA3 S LA647 RA3 RB3 NCH3 LA398 RA22 RA22 O LA523 RB4 RA14 S LA648 RA14 RB3 NCH3 LA399 RA28 RA22 O LA524 RB4 RA22 S LA649 RA22 RB3 NCH3 LA400 H RA28 O LA525 RB4 RA28 S LA650 RA28 RB3 NCH3 LA401 RA2 RA28 O LA526 H RA2 C(CH3 )2 LA651 RA2 RB4 NCH3 LA402 RA3 RA28 O LA527 RA2 RA2 C(CH3 )2 LA652 RA3 RB4 NCH3 LA403 RA14 RA28 O LA528 RA3 RA2 C(CH3 )2 LA653 RA14 RB4 NCH3 LA404 RA22 RA28 O LA529 RA14 RA2 C(CH3 )2 LA654 RA22 RB4 NCH3 LA405 RA28 RA28 O LA530 RA22 RA2 C(CH3 )2 LA655 RA28 RB4 NCH3 LA406 RA2 H O LA531 RA28 RA2 C(CH3 )2 LA656 RA2 RB1 NCH3 LA407 RA3 H O LA532 H RA3 C(CH3 )2 LA657 RA3 RB1 NCH3 LA408 RA14 H O LA533 RA2 RA3 C(CH3 )2 LA658 RA14 RB1 NCH3 LA409 RA22 H O LA534 RA3 RA3 C(CH3 )2 LA659 RA22 RB1 NCH3 LA410 RA28 H O LA535 RA14 RA3 C(CH3 )2 LA660 RA28 RB1 NCH3 LA411 RA2 RB1 O LA536 RA22 RA3 C(CH3 )2 LA661 RA2 RB2 NCH3 LA412 RA3 RB1 O LA537 RA28 RA3 C(CH3 )2 LA662 RA3 RB2 NCH3 LA413 RA14 RB1 O LA538 H RA14 C(CH3 )2 LA663 RA14 RB2 NCH3 LA414 RA22 RB1 O LA539 RA2 RA14 C(CH3 )2 LA664 RA22 RB2 NCH3 LA415 RA28 RB1 O LA540 RA3 RA14 C(CH3 )2 LA665 RA28 RB2 NCH3 LA416 RA2 RB2 O LA541 RA14 RA14 C(CH3 )2 LA666 RA2 RB3 NCH3 LA417 RA3 RB2 O LA542 RA22 RA14 C(CH3 )2 LA667 RA3 RB3 NCH3 LA418 RA14 RB2 O LA543 RA28 RA14 C(CH3 )2 LA668 RA14 RB3 NCH3 LA419 RA22 RB2 O LA544 H RA22 C(CH3 )2 LA669 RA22 RB3 NCH3 LA420 RA28 RB2 O LA545 RA2 RA22 C(CH3 )2 LA670 RA28 RB3 NCH3 LA421 RA2 RB3 O LA546 RA3 RA22 C(CH3 )2 LA671 RA2 RB4 NCH3 LA422 RA3 RB3 O LA547 RA14 RA22 C(CH3 )2 LA672 RA3 RB4 NCH3 LA423 RA14 RB3 O LA548 RA22 RA22 C(CH3 )2 LA673 RA14 RB4 NCH3 LA424 RA22 RB3 O LA549 RA28 RA22 C(CH3 )2 LA674 RA22 RB4 NCH3 LA425 RA28 RB3 O LA550 H RA28 C(CH3 )2 LA675 RA28 RB4 NCH3 LA426 RA2 RB4 O LA551 RA2 RA28 C(CH3 )2 LA676 H RA2 N(異丁基) LA427 RA3 RB4 O LA552 RA3 RA28 C(CH3 )2 LA677 RA2 RA2 N(異丁基) LA428 RA14 RB4 O LA553 RA14 RA28 C(CH3 )2 LA678 RA3 RA2 N(異丁基) LA429 RA22 RB4 O LA554 RA22 RA28 C(CH3 )2 LA679 RA14 RA2 N(異丁基) LA430 RA28 RB4 O LA555 RA28 RA28 C(CH3 )2 LA680 RA22 RA2 N(異丁基) LA431 RB1 RA2 O LA556 RA2 H C(CH3 )2 LA681 RA28 RA2 N(異丁基) LA432 RB1 RA3 O LA557 RA3 H C(CH3 )2 LA682 H RA3 N(異丁基) LA433 RB1 RA14 O LA558 RA14 H C(CH3 )2 LA683 RA2 RA3 N(異丁基) LA434 RB1 RA22 O LA559 RA22 H C(CH3 )2 LA684 RA3 RA3 N(異丁基) LA435 RB1 RA28 O LA560 RA28 H C(CH3 )2 LA685 RA14 RA3 N(異丁基) LA436 RB2 RA2 O LA561 RA2 RB1 C(CH3 )2 LA686 RA22 RA3 N(異丁基) LA437 RB2 RA3 O LA562 RA3 RB1 C(CH3 )2 LA687 RA28 RA3 N(異丁基) LA438 RB2 RA14 O LA563 RA14 RB1 C(CH3 )2 LA688 H RA14 N(異丁基) LA439 RB2 RA22 O LA564 RA22 RB1 C(CH3 )2 LA689 RA2 RA14 N(異丁基) LA440 RB2 RA28 O LA565 RA28 RB1 C(CH3 )2 LA690 RA3 RA14 N(異丁基) LA441 RB3 RA2 O LA566 RA2 RB2 C(CH3 )2 LA691 RA14 RA14 N(異丁基) LA442 RB3 RA3 O LA567 RA3 RB2 C(CH3 )2 LA692 RA22 RA14 N(異丁基) LA443 RB3 RA14 O LA568 RA14 RB2 C(CH3 )2 LA693 RA28 RA14 N(異丁基) LA444 RB3 RA22 O LA569 RA22 RB2 C(CH3 )2 LA694 H RA22 N(異丁基) LA445 RB3 RA28 O LA570 RA28 RB2 C(CH3 )2 LA695 RA2 RA22 N(異丁基) LA446 RB4 RA2 O LA571 RA2 RB3 C(CH3 )2 LA696 RA3 RA22 N(異丁基) LA447 RB4 RA3 O LA572 RA3 RB3 C(CH3 )2 LA697 RA14 RA22 N(異丁基) LA448 RB4 RA14 O LA573 RA14 RB3 C(CH3 )2 LA698 RA22 RA22 N(異丁基) LA449 RB4 RA22 O LA574 RA22 RB3 C(CH3 )2 LA699 RA28 RA22 N(異丁基) LA450 RB4 RA28 O LA575 RA28 RB3 C(CH3 )2 LA700 H RA28 N(異丁基) LA451 H RA2 S LA576 RA2 RB4 C(CH3 )2 LA701 RA2 RA28 N(異丁基) LA452 RA2 RA2 S LA577 RA3 RB4 C(CH3 )2 LA702 RA3 RA28 N(異丁基) LA453 RA3 RA2 S LA578 RA14 RB4 C(CH3 )2 LA703 RA14 RA28 N(異丁基) LA454 RA14 RA2 S LA579 RA22 RB4 C(CH3 )2 LA704 RA22 RA28 N(異丁基) LA455 RA22 RA2 S LA580 RA28 RB4 C(CH3 )2 LA705 RA28 RA28 N(異丁基) LA456 RA28 RA2 S LA581 RB1 RA2 C(CH3 )2 LA706 RA2 H N(異丁基) LA457 H RA3 S LA582 RB1 RA3 C(CH3 )2 LA707 RA3 H N(異丁基) LA458 RA2 RA3 S LA583 RB1 RA14 C(CH3 )2 LA708 RA14 H N(異丁基) LA459 RA3 RA3 S LA584 RB1 RA22 C(CH3 )2 LA709 RA22 H N(異丁基) LA460 RA14 RA3 S LA585 RB1 RA28 C(CH3 )2 LA710 RA28 H N(異丁基) LA461 RA22 RA3 S LA586 RB2 RA2 C(CH3 )2 LA711 RA2 RB1 N(異丁基) LA462 RA28 RA3 S LA587 RB2 RA3 C(CH3 )2 LA712 RA3 RB1 N(異丁基) LA463 H RA14 S LA588 RB2 RA14 C(CH3 )2 LA713 RA14 RB1 N(異丁基) LA464 RA2 RA14 S LA589 RB2 RA22 C(CH3 )2 LA714 RA22 RB1 N(異丁基) LA465 RA3 RA14 S LA590 RB2 RA28 C(CH3 )2 LA715 RA28 RB1 N(異丁基) LA466 RA14 RA14 S LA591 RB3 RA2 C(CH3 )2 LA716 RA2 RB2 N(異丁基) LA467 RA22 RA14 S LA592 RB3 RA3 C(CH3 )2 LA717 RA3 RB2 N(異丁基) LA468 RA28 RA14 S LA593 RB3 RA14 C(CH3 )2 LA718 RA14 RB2 N(異丁基) LA469 H RA22 S LA594 RB3 RA22 C(CH3 )2 LA719 RA22 RB2 N(異丁基) LA470 RA2 RA22 S LA595 RB3 RA28 C(CH3 )2 LA720 RA28 RB2 N(異丁基) LA471 RA3 RA22 S LA596 RB4 RA2 C(CH3 )2 LA721 RA2 RB3 N(異丁基) LA472 RA14 RA22 S LA597 RB4 RA3 C(CH3 )2 LA722 RA3 RB3 N(異丁基) LA473 RA22 RA22 S LA598 RB4 RA14 C(CH3 )2 LA723 RA14 RB3 N(異丁基) LA474 RA28 RA22 S LA599 RB4 RA22 C(CH3 )2 LA724 RA22 RB3 N(異丁基) LA475 H RA28 S LA600 RB4 RA28 C(CH3 )2 LA725 RA28 RB3 N(異丁基) LA476 RA2 RA28 S LA601 H RA2 NCH3 LA726 RA2 RB4 N(異丁基) LA477 RA3 RA28 S LA602 RA2 RA2 NCH3 LA727 RA3 RB4 N(異丁基) LA478 RA14 RA28 S LA603 RA3 RA2 NCH3 LA728 RA14 RB4 N(異丁基) LA479 RA22 RA28 S LA604 RA14 RA2 NCH3 LA729 RA22 RB4 N(異丁基) LA480 RA28 RA28 S LA605 RA22 RA2 NCH3 LA730 RA28 RB4 N(異丁基) LA481 RA2 H S LA606 RA28 RA2 NCH3 LA731 RB1 RA2 N(異丁基) LA482 RA3 H S LA607 H RA3 NCH3 LA732 RB1 RA3 N(異丁基) LA483 RA14 H S LA608 RA2 RA3 NCH3 LA733 RB1 RA14 N(異丁基) LA484 RA22 H S LA609 RA3 RA3 NCH3 LA734 RB1 RA22 N(異丁基) LA485 RA28 H S LA610 RA14 RA3 NCH3 LA735 RB1 RA28 N(異丁基) LA486 RA2 RB1 S LA611 RA22 RA3 NCH3 LA736 RB2 RA2 N(異丁基) LA487 RA3 RB1 S LA612 RA28 RA3 NCH3 LA737 RB2 RA3 N(異丁基) LA488 RA14 RB1 S LA613 H RA14 NCH3 LA738 RB2 RA14 N(異丁基) LA489 RA22 RB1 S LA614 RA2 RA14 NCH3 LA739 RB2 RA22 N(異丁基) LA490 RA28 RB1 S LA615 RA3 RA14 NCH3 LA740 RB2 RA28 N(異丁基) LA491 RA2 RB2 S LA616 RA14 RA14 NCH3 LA741 RB3 RA2 N(異丁基) LA492 RA3 RB2 S LA617 RA22 RA14 NCH3 LA742 RB3 RA3 N(異丁基) LA493 RA14 RB2 S LA618 RA28 RA14 NCH3 LA743 RB3 RA14 N(異丁基) LA494 RA22 RB2 S LA619 H RA22 NCH3 LA744 RB3 RA22 N(異丁基) LA495 RA28 RB2 S LA620 RA2 RA22 NCH3 LA745 RB3 RA28 N(異丁基) LA496 RA2 RB3 S LA621 RA3 RA22 NCH3 LA746 RB4 RA2 N(異丁基) LA497 RA3 RB3 S LA622 RA14 RA22 NCH3 LA747 RB4 RA3 N(異丁基) LA498 RA14 RB3 S LA623 RA22 RA22 NCH3 LA748 RB4 RA14 N(異丁基) LA499 RA22 RB3 S LA624 RA28 RA22 NCH3 LA749 RB4 RA22 N(異丁基) LA500 RA28 RB3 S LA625 H RA28 NCH3 LA750 RB4 RA28 N(異丁基)
    其中RA2 、RA3 、RA14 、RA22 及RA28 具有以下結構:
    Figure 03_image048
    Figure 03_image050
    Figure 03_image072
    Figure 03_image088
    Figure 03_image100
    ;且 其中RB1 至RB4 具有以下結構:
    Figure 03_image194
    Figure 03_image196
    Figure 03_image198
    Figure 03_image200
  11. 如請求項1之化合物,其中該化合物具有式III之結構(LA )n Ir(LB )3-n ,其中LB 為雙齒配位體且n為1、2或3。
  12. 如請求項11之化合物,其中該配位體LB 係選自由以下組成之群:
    Figure 03_image202
    Figure 03_image204
    Figure 03_image206
    Figure 03_image208
    Figure 03_image210
    Figure 03_image212
    Figure 03_image214
    Figure 03_image216
    Figure 03_image218
    Figure 03_image220
    Figure 03_image222
    Figure 03_image224
    Figure 03_image226
    Figure 03_image228
    Figure 03_image230
    Figure 03_image232
    Figure 03_image234
  13. 如請求項10之化合物,其中該化合物係選自由以下組成之群:化合物1至化合物12,750; 其中各化合物x 具有式Ir(LAk )2 (LBj ); 其中x = 750j +k - 750,k 為1至750之整數,且j 為1至17之整數;且其中配位體LB1 至LB17 定義如下:
    Figure 03_image202
    Figure 03_image204
    Figure 03_image206
    Figure 03_image208
    Figure 03_image210
    Figure 03_image212
    Figure 03_image214
    Figure 03_image216
    Figure 03_image218
    Figure 03_image220
    Figure 03_image222
    Figure 03_image224
    Figure 03_image226
    Figure 03_image228
    Figure 03_image230
    Figure 03_image232
    Figure 03_image234
  14. 一種第一裝置,其包含第一有機發光裝置,該第一有機發光裝置包含: 陽極; 陰極;及 安置於該陽極與該陰極之間的有機層,其包含如請求項1至13中任一項之化合物。
  15. 一種調配物,其包含如請求項1至13中任一項之化合物。
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