Electroluminescent device, production method thereof, and display device including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsKwanghee Kim, Hong Kyu Seo, Heejae Lee, Eun Joo Jang, Hyo Sook Jang
Life of this patent
Estimating the term…
Abstract
An electroluminescent device including an anode; a cathode; a light emitting layer disposed between the anode and the cathode; and an electron transport layer disposed between the light emitting layer and the cathode, wherein the light emitting layer includes a plurality of semiconductor nanoparticles, the electron transport layer includes zinc oxide nanoparticles including a Group IIA metal and an acid salt of an alkali metal that has an oxycarbonyl moiety, and the zinc oxide nanoparticles have an average size of less than or equal to about 20 nanometers (nm).
Claims20
An electroluminescent device, comprising:
- an anode;
- a cathode;
- a light emitting layer disposed between the anode and the cathode;
- and
- an electron transport layer disposed between the light emitting layer and the cathode,
- wherein the light emitting layer comprises a plurality of semiconductor nanoparticles,
- wherein the electron transport layer comprises zinc oxide nanoparticles comprising a Group IIA metal;
- and an acid salt of an alkali metal that has an oxycarbonyl moiety, and
- wherein the zinc oxide nanoparticles have an average size of less than or equal to about 20 nanometers.
Dependencies are inferred from the claim text.