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We have studied the spin injection of organic light emitting devices preliminarily. The organic light-emitting devices with ferromagnetic metal iron as the spin aligner and semi-transparent anode are fabricated.

我们认为如果能控制从阳极注入的空穴都是下自旋(自旋量子数为—1／2)从阴极注入的电子都是上自旋(自旋量子数为+1／2)，这样当他们在发光区相遇时，就只形成单线态激子而不形成三线态激子了。

A novel binaphthalene -based copolymer which containing alternating ionic conductive and light-emitting blocks on the main chain was designed and synthesized in order to overcome phase separation problem between the polar ionic conductive and the apolar conjugated polymers in the traditional light-emitting electrochemical cells.

为克服聚合物电化学发光池中极性离子传导性聚合物与非极性发光聚合物两相分离的矛盾，设计合成了一种聚合物分子主链上同时含有发光链段与离子传导性链段的联二萘功能性发光共聚物 EO- PN。

In this paper, from the light-emitting diode light-emitting principle and structure to build a LED optical model to obtain its intensity distribution curve, and with the actual measurement data are compared.

本论文从发光二极管的发光原理及结构出发，建立了LED的光学模型，获得了它的光强分布曲线，并与实际测量数据进行了比较。

The effects of ion doping to light emitting spectrum of phosphors was studied, and the results indicate that when only Ba ion doped, the light emitting spectrum of phosphor will take Einstein shift.

研究Ba2+离子掺杂对荧光粉发射光谱的影响，随着Ba2+离子浓度的增加光谱出现红移。

In addition, in comparing of the junction temperature and the light-emitting diode spectrum, we see the junction temperature has certain effect to the decay of the light output power of light-emitting diodes.

另外，在接面温度与发光二极体光谱的比较方面，我们也从实验上知道接面温度在发光二极体的光输出衰减方面有一定的影响。

The most parts of thesis as follows:1. Five symmetrical intra-molecular charge transfer oligomeric phenylene vinylene light emitting materials were designed and synthesized using oligomeric phenylene vinylene as a framework.2. The structures of target molecule were characterized by ~1HNMR,~(13)CNMR, IR, MS and element analysis.3. In order to study the influence of the location and numbers of electron-donor and electron-acceptor on their photoelectric performance by changing length of OPV chain, the UV spectra and fluorescence spectra of target compounds has been compared. We have researched into main factors effecting on material emitting red-shift; organic electroluminescence device was prepared using the compound P4. The capability of eletroluminescence was researched.4. The photoelectric properties of P4 was explained by quantum chemical calculation (the Gaussian 98 quantum chemistry program). It is greatly contributed know the whole process of charge transfer to guide the design of red emitters.

本文研究的内容主要包括以下部分：(1)设计并合成5个对称的以齐聚苯乙烯类为骨架的分子内电荷转移型齐聚苯乙烯类发光材料；(2)通过IR，MS，~1H-NMR，~(13)C-NMR和元素分析对所合成的目标化合物进行表征；(3)通过对目标化合物的紫外光谱和荧光光谱比较分析，研究改变OPV的长度，电子给体和电子受体的位置及数量对其光电性能的影响，探讨材料发射红移的主要因素；选取性能良好的目标化合物P4制备成OELD器件，对其电致发光性能进行研究；(4)运用Gaussian98量子化学程序包，采用量子化学方法对目标化合物P4的光电性能从理论加以解释，进一步认识荷移跃迁的整个过程，为红光材料的设计加以指导。

A 2.8-inch (7.112 cm) homochromous flexible display was fabricated on a plastic substrate, which showed a luminance of 120 cd/m2 at a drive-voltage of 12 V. A top-emitting FOLED was fabricated on a metal substrate. The efficiency of FOLED is close to OLED on a glass substrate, and the CIE coordinates are about (x=0.69,y=0.31). The color purity of the top-emitting device on metal substrate is much improved.

在聚合物衬底上成功制备了2.8 inch（7.112 cm）的128×64单色FOLED显示屏，在驱动电压12 V时屏体亮度达到120 cd/m2；在金属衬底上，采用顶发光技术制备了FOLED元器件，顶发光器件与相对同发光层结构底发光器件有相近的电流效率，色坐标（x=0.69，y=0.31），色纯度优于相同发光层结构的底发光器件。

Non-doped red-emitting electrofluorescent single-layer organic light-emitting devices based on an ambipolar small molecule, 4, 9-bis 4-(2, 2-diphenylvinyl phenyl naphtho[2, 3-c][1, 2, 5] thiadiazole, were studied.

以双极性小分子4， 9-二（4-（2， 2-二苯乙烯基）苯基）萘并[2， 3-c][1， 2， 5]噻二唑为发光层，制备得到了单层非掺杂红色荧光有机发光二极管。

Recently a third hybrid light-emitting layer has been developed that uses nonconductive polymers doped with light-emitting, conductive molecules. The polymer is used for its production and mechanical advantages without worrying about optical properties. The small molecules then emit the light and have the same longevity that they have in the SM-OLEDs.

近十几年来，随着人们对半导体发光材料研究的不断深入，LED制造工艺的不断进步和新材料的开发和应用，各种颜色的超高亮度LED取得了突破性进展。1993年，开发出来的以蓝宝石为衬底的GaNLED就是典型代表，它能发出绿光、蓝光和紫罗兰光。

Blue-light-emitting polyfluorene derivatives with bulky bipolar pendent groups at C-9 position has been synthesized. The combination of electron-deficient oxadiazole and electron-rich triphenylamine affords a highly efficient light-emitting material by improving charge injection and transport in electroluminescent device.

具有刚硬双极性侧链的高效率蓝光聚茀高分子材料已成功被合成，藉由在fluorene的9号碳位置导入了有利於传输电子的oxdiazole片段与利於传输电洞的triphenylamine片段所结合的TPAOXD，不仅增加电荷注入与传输能力，同时提高材料的热稳定性质(Tg： 186 oC)。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。