申请人:IDEMITSU KOSAN CO., LTD.
公开号:US10811616B2
公开(公告)日:2020-10-20
An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.
一种有机电致发光器件包括:阳极;发光层;以及阴极,发光层包含第一种材料、第二种材料和第三种材料,第一种材料为荧光材料,第二种材料为延迟荧光材料,第三种材料的单线能大于第二种材料的单线能。