An organic light emitting device containing
(i) an anode or a first electrode;
(ii) a hole transport layer containing, for example, a mixture of a porphyrin and a hole transport material
(iii) a mixed region containing a mixture of (1) a hole transport material, and (2) an electron transport material;
(iv) a cathode or second electrode, and wherein the organic light emitting device may further contain at least one of
(v) an electron transport region interposed between the mixed region and the cathode; and
(vi) a thermal protective element coated on one of the anode and cathode.
一种有机发光器件,包含
(i) 阳极或第一电极;
(ii) 一层空穴传输层,包含例如
卟啉和空穴传输材料的混合物
(iii) 混合区,包含(1)空穴传输材料和(2)电子传输材料的混合物;
(iv) 阴极或第二电极,其中有机发光器件可进一步包含以下至少一项
(v) 位于混合区和阴极之间的电子传输区;以及
(vi) 镀在阳极和阴极之一上的热保护元件。