The present invention is to provide a device capable of having an easy production process and achieving a long lifetime. A device comprising a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes, wherein the positive hole injection transport layer contains a transition metal compound-containing nanoparticle comprising a transition metal compound containing one or more kinds selected from the group consisting of a transition metal carbide oxide, transition metal nitride oxide and transition metal sulfide oxide, wherein a protecting agent having a linking group and a hydrophobic organic group is connected to the transition metal compound by the linking group.

Claims

11 · 1 independent · depth 3

11 granted claims

›1.independentA transition metal compound-containing nanoparticle comprising a transition metal compound containing one or more kinds selected from the group consis…+10

›2.↳ 1The transition metal compound-containing nanoparticle according to claim 1, wherein a transition metal in the transition metal compound is one or more…d2

›3.↳ 1The transition metal compound-containing nanoparticle according to claim 1, wherein an average particle diameter of the transition metal compound-cont…d2

›4.↳ 1The transition metal compound-containing nanoparticle according to claim 1, wherein the organic group is an aromatic hydrocarbon and/or heterocyclic r…d2

›5.↳ 1The transition metal compound-containing nanoparticle according to claim 1, wherein the protecting agent further contains a charge transport group.d2

›6.↳ 1The transition metal compound-containing nanoparticle according to claim 1, wherein the linking group is one or more kinds selected from functional gr…d2

›7.↳ 1An ink for a positive hole injection transport layer comprising the transition metal compound-containing nanoparticle defined by claim 1, and an organ…d2+1

›9.↳ 1A device comprising a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disp…d2+2

Classifications

17 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B32B5/16

Section C — Chemistry; metallurgy

C01G1/12
C01G31/02
C01G99/00
C01G1/02
C01G39/02
C01B31/34
C09K11/08

Section H — Electricity

H01B1/22
H01L51/50

USPC · US Patent Classification

428/328252/518.1252/516428/403252/301.36252/521.5252/519.3

Claim changes

Soon

Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

⤢ drag to zoom

USPTOApplicanthover for detail · click to open

Pendency

4.0 y

1,469 days filing → grant

Office actions

after a restriction

Responses

no RCE

Examiner

Holly Le

art unit 1788 · TC 1700

Law firm

Law firm · Log in to unlock

Citations: 30 back · 0 forward

See the full prosecution history — every USPTO and applicant action on this file, in order.

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20120146010 A1	14 Jun 2012

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.