JPH03162485A - Electroluminescent element - Google Patents
Electroluminescent elementInfo
- Publication number
- JPH03162485A JPH03162485A JP1301503A JP30150389A JPH03162485A JP H03162485 A JPH03162485 A JP H03162485A JP 1301503 A JP1301503 A JP 1301503A JP 30150389 A JP30150389 A JP 30150389A JP H03162485 A JPH03162485 A JP H03162485A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- group
- structural formula
- electroluminescent device
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- -1 polycyclic compound Chemical class 0.000 claims abstract description 40
- 239000010409 thin film Substances 0.000 claims abstract description 22
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims abstract description 9
- VPUGDVKSAQVFFS-UHFFFAOYSA-N coronene Chemical compound C1=C(C2=C34)C=CC3=CC=C(C=C3)C4=C4C3=CC=C(C=C3)C4=C2C3=C1 VPUGDVKSAQVFFS-UHFFFAOYSA-N 0.000 claims abstract description 6
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 claims abstract description 5
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- XBDYBAVJXHJMNQ-UHFFFAOYSA-N Tetrahydroanthracene Natural products C1=CC=C2C=C(CCCC3)C3=CC2=C1 XBDYBAVJXHJMNQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- BBEAQIROQSPTKN-UHFFFAOYSA-N antipyrene Natural products C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 claims abstract description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims abstract description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 claims abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 23
- 125000003277 amino group Chemical group 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 150000002894 organic compounds Chemical class 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 claims description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 7
- 150000002431 hydrogen Chemical class 0.000 claims 4
- 230000005684 electric field Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 230000027756 respiratory electron transport chain Effects 0.000 abstract 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 abstract 1
- 230000005525 hole transport Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 239000010408 film Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- CUIWZLHUNCCYBL-UHFFFAOYSA-N decacyclene Chemical compound C12=C([C]34)C=CC=C4C=CC=C3C2=C2C(=C34)C=C[CH]C4=CC=CC3=C2C2=C1C1=CC=CC3=CC=CC2=C31 CUIWZLHUNCCYBL-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 150000001651 triphenylamine derivatives Chemical class 0.000 description 1
- 125000006617 triphenylamine group Chemical group 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
Description
【発明の詳細な説明】
技術分野
本発明は電界発光素子に関し、特に有機化合物を発光体
として構成される電界発光素子に関する。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to an electroluminescent device, and particularly to an electroluminescent device constructed using an organic compound as a light emitter.
背景技術
この種の電界発光素子として、第２図に示すように、陰
極である金属電極１と陽極である透明電極２との間に有
機化合物からなり互いに積層された有機蛍光体薄膜３及
び有機正孔輸送層４が配された２層構造のものや、第３
図に示すように、金属電極１と透明電極２との間に互い
に積層された有機一電子輸送層５、有機蛍光体薄膜３及
び有機正札輻送層４が配された３層構造のものが知られ
ている。ここで、有機正孔輸送層４は陽極から正孔を注
入させ易くする機能と電子をブロツクする機能とを有し
、有機電子輻送層５は陰極から電子を注入させ易くする
機能を有している。BACKGROUND ART As shown in FIG. 2, this type of electroluminescent device uses an organic phosphor thin film 3 made of an organic compound and laminated on each other between a metal electrode 1 serving as a cathode and a transparent electrode 2 serving as an anode. Those with a two-layer structure in which a hole transport layer 4 is arranged, and those with a third layer structure.
As shown in the figure, there is a three-layer structure in which an organic electron transport layer 5, an organic phosphor thin film 3, and an organic label transport layer 4 are laminated between a metal electrode 1 and a transparent electrode 2. Are known. Here, the organic hole transport layer 4 has a function of facilitating injection of holes from the anode and a function of blocking electrons, and the organic electron transport layer 5 has a function of facilitating injection of electrons from the cathode. ing.
これら電界発光素子において、透明電極２の外側にはガ
ラス基板６が配されており、金属電極１から注入された
電子と透明電極２から注入された正孔との再結合によっ
て励起子が生じ、この励起子が放射失活する過程で光を
放ち、この光が透明電極２及びガラス基板６を介して外
部に放出されることになる。In these electroluminescent devices, a glass substrate 6 is disposed outside the transparent electrode 2, and excitons are generated by recombination of electrons injected from the metal electrode 1 and holes injected from the transparent electrode 2. The excitons emit light in the process of being radiatively deactivated, and this light is emitted to the outside via the transparent electrode 2 and the glass substrate 6.
また、上述した構成の従来の電界発光素子においては、
特定の色の蛍光帯域を有するものが開発されているが、
さらにその他種々の色を発光させるべく、より多くの種
類の有機蛍光体の電界発光素子の開発が望まれている。Furthermore, in the conventional electroluminescent device having the above-mentioned configuration,
Products with fluorescent bands of specific colors have been developed, but
Furthermore, in order to emit light of various other colors, it is desired to develop electroluminescent devices using more types of organic phosphors.
発明の概要
［発明の目的］
本発明は、上述した従来の要望を満すべくなされたもの
であって、有機蛍光体を効率良く高輝度にて発光させる
ことができる電界発光素子を提供することを目的とする
。Summary of the Invention [Object of the Invention] The present invention has been made to satisfy the above-mentioned conventional demands, and an object of the present invention is to provide an electroluminescent device that can efficiently cause an organic phosphor to emit light with high brightness. With the goal.
［発明の構成コ
本発明による電界発光素子においては、有機化合物から
なり互いに積層された蛍光体発光層及び正孔輻送層が陰
極及び陽極間に配された構成の電界発光素子であって、
前記蛍光体発光層は縮合多環化合物を含む蛍光体薄膜か
らなることを特徴とする。[Structure of the Invention] The electroluminescent device according to the present invention is an electroluminescent device having a structure in which a phosphor emitting layer and a hole transporting layer made of an organic compound and stacked on each other are arranged between a cathode and an anode,
The phosphor light-emitting layer is characterized in that it is made of a phosphor thin film containing a condensed polycyclic compound.
以下、本発明を図に基づいて詳細に説明する。Hereinafter, the present invention will be explained in detail based on the drawings.
第１図は本発明の一実施例を示す構造図であり、図中第
２図及び第３図と同等部分には同一符号が付されている
。FIG. 1 is a structural diagram showing one embodiment of the present invention, in which the same parts as in FIGS. 2 and 3 are given the same reference numerals.
図において、陰極である金属電極１には、アルミニウム
の１５００人膜厚の薄膜を用いる。また、陰極１には、
仕事関数が小さな金属、例えば厚さが約５００Ａ以上の
アルミニウム、マグネシウム、インジウム、銀又はこれ
らの合金が用い得る。In the figure, a thin film of aluminum with a thickness of 1500 mm is used for the metal electrode 1 serving as the cathode. In addition, in the cathode 1,
Metals with low work functions, such as aluminum, magnesium, indium, silver, or alloys thereof, with a thickness of about 500 Å or more can be used.
陽極である透明電極２には、インジウムすず酸化物（１
．Ｔ．Ｏ．）の２０００人膜厚の薄膜を用いる。また、
陽極２には、仕事関数の大きな導電性材料、例えば厚さ
が１０００〜３０００入程度のＩ． Ｔ， Ｏ、又は厚
さが８００〜１５００人程度の金が用い得る。なお、金
を電極材料とじて用いた場合には、電極２は半透明の状
態となる。The transparent electrode 2, which is an anode, is made of indium tin oxide (1
．． T. O. ) using a thin film with a thickness of 2,000 people. Also,
The anode 2 is made of a conductive material with a large work function, for example, an I.D. T, O, or gold having a thickness of about 800 to 1500 can be used. Note that when gold is used as the electrode material, the electrode 2 becomes translucent.
金属電極１と透明電極２との間には、図の上から順に積
層された有機蛍光体薄膜７及び有機正孔輸送層４が配さ
れている。、
有機正札輸送ＪＷ４には、トリフエニルアミン誘導体、
例えば下記式（１）の化合物の薄膜を用いる。An organic phosphor thin film 7 and an organic hole transport layer 4 are arranged between the metal electrode 1 and the transparent electrode 2, which are laminated in order from the top in the figure. , Organic regular tag transport JW4 contains triphenylamine derivatives,
For example, a thin film of a compound represented by the following formula (1) is used.
また、有機正札輸送層４には、更に下記式（ｎ）〜（Ｘ
■）のＣ ＴＭ （Ｃａｒｒｉｅｒ Ｔｒａｎｓ＋ｇｌ
ｔｌｎｇ Ｍａｔｅｒｉａｌｓ ）として知られる化合
物を用い得る。In addition, the organic name plate transport layer 4 further contains the following formulas (n) to (X
■) C TM (Carrier Trans+gl
Compounds known as tlng Materials) can be used.
有機蛍光体薄膜７としては、縮合多環化合物を含む蛍光
体薄膜が用いられる。かかる有機蛍光体薄膜７の膜厚は
１μｍ以下に設定される。As the organic phosphor thin film 7, a phosphor thin film containing a condensed polycyclic compound is used. The thickness of the organic phosphor thin film 7 is set to 1 μm or less.
さらに、有機蛍光体薄膜としては、下記構造式（Ａ１）
〜（Ａ７）で示される縮合多環化合物が用いられる。Furthermore, as an organic phosphor thin film, the following structural formula (A1) is used.
A fused polycyclic compound represented by (A7) is used.
但し、上記構造式（Ａ１）のナフタレン化合物中、Ｒｌ
．Ｒ２ ，Ｒ３及びＲ４は独立に、水素，カルボキシ
ル基．アミノ基，水酸基またはスルホ基（但し、アルキ
ル成分は好ましくは、炭素原子数が１〜５個であるが、
６個以上でもよい）である。However, in the naphthalene compound of the above structural formula (A1), Rl
．． R2, R3 and R4 independently represent hydrogen, carboxyl group. Amino group, hydroxyl group or sulfo group (however, the alkyl component preferably has 1 to 5 carbon atoms,
There may be six or more).
この蛍光体薄膜を形成する縮合多環化合物（Ａ１）は、
第１表の官能基のＮｏ．１＝Ｎｏ．３の組み合わせを有
するものが好ましい。The fused polycyclic compound (A1) forming this phosphor thin film is:
No. of functional groups in Table 1. 1=No. Those having a combination of 3 are preferred.
但し、上Ｍｅ ｈ’ｔ造式（Ａ２）のアントラセン化合
物中、Ｒ５，Ｒ６及びＲ７は独立に、水素，ハロゲン，
アリール基，アルキル基．不飽和鎖式炭化水素から誘導
される１価の基，アニシル基またはアセトオキシ基（但
し、アルキル成分は好ましくは、炭素原子数が１〜５個
であるが６個以上でよく、アリール成分は好ましくは、
炭素原子数が６〜１４個であるが、１８個以上でもよい
）である。However, in the anthracene compound of formula (A2) above, R5, R6 and R7 independently represent hydrogen, halogen,
Aryl group, alkyl group. A monovalent group derived from an unsaturated chain hydrocarbon, anisyl group or acetoxy group (however, the alkyl component preferably has 1 to 5 carbon atoms, but may have 6 or more carbon atoms, and the aryl component is preferably teeth,
The number of carbon atoms is 6 to 14, but may be 18 or more.
この蛍光体薄膜を形成する縮合多環化合物（Ａ２）は、
第２表の官能基のＮＯ．４〜Ｎｏ．２７の組み合わせを
有するものが好ましい。The fused polycyclic compound (A2) forming this phosphor thin film is:
No. of functional groups in Table 2. 4~No. Those having 27 combinations are preferred.
但し、上記構造式（Ａ３）のフルオレン化合物中、Ｒ８
及びＲ９独立に、アミノ基またはニトロ基である。However, in the fluorene compound of the above structural formula (A3), R8
and R9 are independently an amino group or a nitro group.
下記式（Ａ３−２８）のフルオレン化合物が好ましい。A fluorene compound represented by the following formula (A3-28) is preferred.
（Ａ ３ − ２ ８）
上記構造式（Ａ４−２９）に示すように、Ｒ１０がアミ
ノ基であるフルオランテン化合物も用いられる。(A3-28) As shown in the above structural formula (A4-29), a fluoranthene compound in which R10 is an amino group can also be used.
但し、上記構造式（Ａ５）のテトラセン化合物中、Ｒ”
，ＲＩ２，Ｒ’３，Ｒ”及びＲ”は独立に、水素，カル
ボキシル基，アミノ基，水酸基またはスルホ基（但し、
アルキル成分は好ましくは、炭素原子数が１〜５個であ
るが、６個以上でもよい〕である。However, in the tetracene compound of the above structural formula (A5), R''
, RI2, R'3, R" and R" independently represent hydrogen, carboxyl group, amino group, hydroxyl group or sulfo group (however,
The alkyl component preferably has 1 to 5 carbon atoms, but may have 6 or more carbon atoms.
下記式（Ａ５−３０）のテトラセン化合物が好ましい。A tetracene compound represented by the following formula (A5-30) is preferred.
（Ａ５−３０：
但し、上記構造式（Ａ６）のピレン化合物中、Ｒ”，Ｒ
” Ｒ１Ｂ及びＲｌ９は独立に、水素，カルボキシル
基，アミノ基，水酸基．スルホ基またはスルホニウム基
（但し、アルキル成分は好ましくは、炭素原子数が１〜
５個であるが、６ａｌ以上でもよい）である。(A5-30: However, in the pyrene compound of the above structural formula (A6), R", R
” R1B and R19 independently represent hydrogen, carboxyl group, amino group, hydroxyl group, sulfo group or sulfonium group (however, the alkyl component preferably has 1 to 1 carbon atoms)
Although the number is 5, it may be 6al or more).
この蛍光体薄膜を形或する縮合多環化合物（Ａ６）は、
第３表の官能基のＮｏ．３１−Ｎｏ．３４の組み合わせ
を有するものが好ましい。The fused polycyclic compound (A6) forming this phosphor thin film is:
No. of functional groups in Table 3. 31-No. One having 34 combinations is preferred.
（Ａ ７ − ３ ８）
但し、これら縮合多環化合物（Ａ７−３８）及び（Ａ７
−３９）であるコロネン及びデカシクレンも用いられる
。(A7-38) However, these fused polycyclic compounds (A7-38) and (A7
-39), coronene and decacyclene are also used.
また、上記電界発光素子においては陰極１及び陽極２間
に有機蛍光体薄膜７及び有機正孔輸送層４を配した２層
構造としたが、従来の陰極１及び蛍光体薄膜７層間に例
えば下記（ＸＸ）式のペリレンテトラカルボキシル誘導
体からなる有機電子輻送層５を配した３層構造としても
同様の効果を奏する。In addition, the electroluminescent device described above has a two-layer structure in which the organic phosphor thin film 7 and the organic hole transport layer 4 are arranged between the cathode 1 and the anode 2. A three-layer structure including an organic electron transporting layer 5 made of a perylenetetracarboxyl derivative of the formula (XX) also produces similar effects.
）
発明の効果
以上説明したように、本発明による電界発光素子におい
ては、有機化合物からなり互いに積層された蛍光体発光
層及び正孔輸送層が陰極及び陽極間に配された構威の電
界発光素子であって、蛍光体発光層は縮合多環化合物を
含む蛍光体薄膜からなるので、低電圧にて効率良く高輝
度で赤色発光させることができる。) Effects of the Invention As explained above, in the electroluminescent device according to the present invention, an electroluminescent device having a structure in which a phosphor emitting layer and a hole transport layer made of an organic compound and stacked on each other are arranged between a cathode and an anode. Since the phosphor emitting layer of the device is made of a phosphor thin film containing a condensed polycyclic compound, red light can be emitted efficiently and with high brightness at low voltage.
実施例
本発明の実施例の電界発光素子を作成しそれを発光させ
た。EXAMPLE An electroluminescent device according to an example of the present invention was prepared and emitted light.
まず、ガラス基板上に陽極である透明電極のＩＴ．０．
を２０００入膜厚で或膜したものを用意した。陰極であ
る金属電極１には、アルミニウムを用いた。First, a transparent electrode, which is an anode, is placed on a glass substrate. 0.
A film coated with a film thickness of 2000 was prepared. Aluminum was used for the metal electrode 1 serving as the cathode.
有機正孔輸送層４には、上記（１）式のトリフェニルア
ミン誘導体を用いた。For the organic hole transport layer 4, the triphenylamine derivative of the above formula (1) was used.
有機蛍光体薄膜７としては、上記（Ａ７−３９）式のデ
カシクレンを用いた。As the organic phosphor thin film 7, decacyclene of the above formula (A7-39) was used.
正孔輸送層、蛍光体薄膜及び陰極を成膜する際の真空度
、蒸着速度及び膜厚等の成膜条件は第４表の如くであり
、この表において得られた電界発光素子に電圧を印加す
ることにより得た発光特性を併記する。The film forming conditions such as degree of vacuum, evaporation rate, and film thickness when forming the hole transport layer, phosphor thin film, and cathode are as shown in Table 4. The luminescence characteristics obtained by applying the voltage are also listed.
第１図は本発明の実施例を示す構造図、及び第３図は従
来例を示す構造図である。
主要部分の符号の説明
１・・・・・・金属電極（陰極）
２・・・・・・透明電極（陽極）
４・・・・・・有機正孔輸送層
６・・・・・・ガラス基板
７・・・・・・有機蛍光体薄膜
第２図FIG. 1 is a structural diagram showing an embodiment of the present invention, and FIG. 3 is a structural diagram showing a conventional example. Explanation of symbols for main parts 1...Metal electrode (cathode) 2...Transparent electrode (anode) 4...Organic hole transport layer 6...Glass Substrate 7...Organic phosphor thin film Fig. 2
Claims (9)
光層及び正孔輸送層が陰極及び陽極間に配された構成の
電界発光素子であつて、前記蛍光体発光層は縮合多環化
合物を含む蛍光体薄膜からなることを特徴とする電界発
光素子。(1) An electroluminescent device having a structure in which a phosphor-emitting layer and a hole-transporting layer made of an organic compound and stacked on each other are arranged between a cathode and an anode, the phosphor-emitting layer containing a condensed polycyclic compound. An electroluminescent device comprising a phosphor thin film.
、下記構造式（Ａ１）で示され、▲数式、化学式、表等
があります▼ 上記構造式（Ａ１）中、Ｒ＾１、Ｒ＾２、Ｒ＾３及びＲ
＾４は独立に、水素、カルボキシル基、アミノ基、水酸
基またはスルホ基であることを特徴とする請求項１記載
の電界発光素子。(2) The fused polycyclic compound is a naphthalene compound, and is represented by the following structural formula (A1), which includes ▲numerical formulas, chemical formulas, tables, etc.▼ In the above structural formula (A1), R^1, R^2, R^3 and R
2. The electroluminescent device according to claim 1, wherein ^4 is independently hydrogen, a carboxyl group, an amino group, a hydroxyl group, or a sulfo group.
り、下記構造式（Ａ２）で示され、 ▲数式、化学式、表等があります▼ 上記構造式（Ａ２）中、Ｒ＾５、Ｒ＾６及びＲ＾７は独
立に、水素、ハロゲン、アリール基、アルキル基、不飽
和鎖式炭化水素から誘導される１価の基、アニシル基ま
たはアセトオキシ基であることを特徴とする請求項１記
載の電界発光素子。(3) The fused polycyclic compound is an anthracene compound, and is represented by the following structural formula (A2), ▲There are numerical formulas, chemical formulas, tables, etc.▼ In the above structural formula (A2), R^5, R^6, and The electric field according to claim 1, wherein R^7 is independently hydrogen, a halogen, an aryl group, an alkyl group, a monovalent group derived from an unsaturated chain hydrocarbon, an anisyl group, or an acetoxy group. Light emitting element.
、下記構造式（Ａ３）で示され、▲数式、化学式、表等
があります▼ 上記構造式（Ａ３）中、Ｒ＾８及びはＲ＾９独立に、ア
ミノ基またはニトロ基であることを特徴とする請求項１
記載の電界発光素子。(4) The above-mentioned fused polycyclic compound is a fluorene compound, and is represented by the following structural formula (A3), ▲There are numerical formulas, chemical formulas, tables, etc.▼ In the above structural formula (A3), R^8 and R^9 Claim 1, characterized in that it is independently an amino group or a nitro group.
The electroluminescent device described above.
り、下記構造式（Ａ４）、 ▲数式、化学式、表等があります▼ で示される化合物であることを特徴とする請求項１記載
の電界発光素子。(5) The electroluminescent device according to claim 1, wherein the fused polycyclic compound is a fluoranthene compound, and is a compound represented by the following structural formula (A4): ▲ Numerical formula, chemical formula, table, etc. ▼ .
下記構造式（Ａ５）で示され、 ▲数式、化学式、表等があります▼ 上記構造式（Ａ５）中、Ｒ＾１＾１，Ｒ＾１＾２，Ｒ＾
１＾３，Ｒ＾１＾４及びＲ＾１＾５は独立に、水素，カ
ルボキシル基，アミノ基，水酸基または及びスルホ基で
あることを特徴とする請求項１記載の電界発光素子。(6) the fused polycyclic compound is a tetracene compound,
It is shown by the structural formula (A5) below, ▲There are mathematical formulas, chemical formulas, tables, etc.▼ In the above structural formula (A5), R^1^1, R^1^2, R^
2. The electroluminescent device according to claim 1, wherein 1^3, R^1^4, and R^1^5 are independently hydrogen, carboxyl group, amino group, hydroxyl group, or sulfo group.
構造式（Ａ６）で示され、 ▲数式、化学式、表等があります▼ 上記構造式（Ａ６）中、Ｒ＾１＾６，Ｒ＾１＾７，Ｒ＾
１＾８及びＲ＾１＾９は独立に、水素，カルボキシル基
，アミノ基，水酸基，スルホ基またはスルホニウム基で
あることを特徴とする請求項１記載の電界発光素子。(7) The fused polycyclic compound is a pyrene compound, and is represented by the following structural formula (A6), ▲There are numerical formulas, chemical formulas, tables, etc.▼ In the above structural formula (A6), R^1^6, R^ 1^7,R^
2. The electroluminescent device according to claim 1, wherein 1^8 and R^1^9 are independently hydrogen, carboxyl group, amino group, hydroxyl group, sulfo group, or sulfonium group.
式、化学式、表等があります▼ で示されるコロネンであることを特徴とする請求項１記
載の電界発光素子。(8) The electroluminescent device according to claim 1, wherein the fused polycyclic compound is coronene represented by the following structural formula (A7), ▲a numerical formula, a chemical formula, a table, etc.▼.
配されたことを特徴とする請求項１ないし８のいずれか
に記載の電界発光素子。(9) The electroluminescent device according to any one of claims 1 to 8, characterized in that an organic electron transport layer is disposed between the cathode and the phosphor layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1301503A JP2886218B2 (en) | 1989-11-20 | 1989-11-20 | EL device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1301503A JP2886218B2 (en) | 1989-11-20 | 1989-11-20 | EL device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03162485A true JPH03162485A (en) | 1991-07-12 |
| JP2886218B2 JP2886218B2 (en) | 1999-04-26 |
Family
ID=17897698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1301503A Expired - Fee Related JP2886218B2 (en) | 1989-11-20 | 1989-11-20 | EL device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2886218B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635308A (en) * | 1994-04-26 | 1997-06-03 | Tdk Corporation | Phenylanthracene derivative and organic EL element |
| JP2002075651A (en) * | 2000-09-01 | 2002-03-15 | Sanyo Electric Co Ltd | Organic luminous element |
| JP2004204238A (en) * | 2002-12-24 | 2004-07-22 | Lg Electronics Inc | Organic electroluminescent device |
| WO2004078872A3 (en) * | 2003-03-05 | 2004-12-16 | Lg Electronics Inc | Organic electroluminescent device |
| JP4601234B2 (en) * | 1999-09-30 | 2010-12-22 | 出光興産株式会社 | Organic electroluminescence device |
| JP2011144170A (en) * | 2009-12-31 | 2011-07-28 | Cheil Industries Inc | Aromatic ring-containing compound for resist underlayer film and resist underlayer film composition containing the same |
-
1989
- 1989-11-20 JP JP1301503A patent/JP2886218B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5635308A (en) * | 1994-04-26 | 1997-06-03 | Tdk Corporation | Phenylanthracene derivative and organic EL element |
| JP4601234B2 (en) * | 1999-09-30 | 2010-12-22 | 出光興産株式会社 | Organic electroluminescence device |
| JP2002075651A (en) * | 2000-09-01 | 2002-03-15 | Sanyo Electric Co Ltd | Organic luminous element |
| JP2004204238A (en) * | 2002-12-24 | 2004-07-22 | Lg Electronics Inc | Organic electroluminescent device |
| JP2007027779A (en) * | 2002-12-24 | 2007-02-01 | Lg Electronics Inc | Organic electroluminescent device |
| US7700201B2 (en) | 2002-12-24 | 2010-04-20 | Lg Display Co., Ltd. | Organic electroluminescent device |
| US8436344B2 (en) | 2002-12-24 | 2013-05-07 | Lg Display Co., Ltd. | Organic electroluminescent device |
| WO2004078872A3 (en) * | 2003-03-05 | 2004-12-16 | Lg Electronics Inc | Organic electroluminescent device |
| US7651788B2 (en) | 2003-03-05 | 2010-01-26 | Lg Display Co., Ltd. | Organic electroluminescent device |
| JP2011144170A (en) * | 2009-12-31 | 2011-07-28 | Cheil Industries Inc | Aromatic ring-containing compound for resist underlayer film and resist underlayer film composition containing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2886218B2 (en) | 1999-04-26 |
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