Chemical compound capable of emitting visible light, and luminescent material, electro-luminescent device, and display apparatus that contain the chemical compound
AssigneeMitsumi Electric Co., Ltd.
InventorsYouichi Itagaki, Norio Hasegawa
Life of this patent
Estimating the term…
Abstract
A chemical compound capable of emitting visible light and having electrical conductivity comprises a main chain that consists of at least one substituted or non-substituted 2,5-thiophenediyl group and at least one substituted or non-substituted 9-carbazolyl group that bonds to at least one of two terminals of the main chain. The chemical compound is used in a luminescent material, an EL device that includes a luminous layer, and a display apparatus that includes a plurality of EL devices.
Claims12
A chemical compound comprising:
- a main chain that consists of at least one substituted or non-substituted 2,5-thiophenediyl group and
- at least one substituted or non-substituted 9-carbazolyl group that bonds to at least one of two terminals of the main chain.
A luminescent material comprising:
- a chemical compound that comprises
- a main chain that consists of at least one substituted or non-substituted 2,5-thiophenediyl group and
- at least one substituted or non-substituted 9-carbazolyl group that bonds to at least one of two terminals of the main chain.
An electro-luminescent device comprising:
- a substrate,
- an anode,
- a cathode, and
- a luminous layer between the anode and the cathode,
- in which the anode, the luminous layer, and the cathode are laminated on the substrate,
- wherein
- the luminous layer comprises a chemical compound that comprises
- a main chain that consists of at least one substituted or non-substituted 2,5-thiophenediyl group and
- at least one substituted or non-substituted 9-carbazolyl group that bonds to at least one of two terminals of the main chain.
A display apparatus comprising:
- a plurality of electro-luminescent devices that comprise
- a substrate,
- an anode,
- a cathode, and
- a luminous layer between the anode and the cathode,
- in which the anode, the luminous layer, and the cathode are laminated on the substrate, wherein
- the luminous layer comprises a chemical compound that comprises
- a main chain that consists of at least one substituted or non-substituted 2,5-thiophenediyl group and
- at least one substituted or non-substituted 9-carbazolyl group that bonds to at least one of two terminals of the main chain.
Dependencies are inferred from the claim text.