Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2001-11-08
2004-06-22
Kelly, Cynthia H. (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C428S213000, C428S332000, C313S504000, C313S506000
Reexamination Certificate
active
06753098
ABSTRACT:
COPENDING APPLICATIONS
Illustrated in copending application U.S. Ser. No. 10/005,930, U.S. Publication No. 20030134146, filed concurrently herewith, the disclosure of which is totally incorporated herein by reference, is an organic light emitting device comprising
(i) a first electrode;
(ii) a mixed region comprising a first hole transport material and a first electron transport material;
(iii) a second electrode;
(iv) an optional thermal protective layer coated on one of the first and second electrodes, wherein one of said first and second electrodes is a hole injection anode, and one of said electrodes is an electron injection cathode, and wherein the organic light emitting device further comprises at least one of
(v) a hole transport region interposed between said anode and said mixed region; and wherein said hole transport region is comprised of a second hole transport material, and which material is in contact with the mixed region; and
(vi) an electron transport region interposed between said cathode and said mixed region, and wherein said region is comprised of a second electron material, and which material is in contact with the mixed region; and containing at least one of
a. said hole transport region (v) wherein said first hole transport material (ii) is similar to or dissimilar than said second hole transport material (v);
b. said electron transport region (vi) wherein said first electron transport material (ii) is similar to or dissimilar than said second electron transport material; and wherein when a. is similar, b. is dissimilar; when a. is dissimilar, b. is similar or dissimilar; and when b. is dissimilar, a. is similar or dissimilar.
Illustrated in copending application U.S. Ser. No. 10/005,404, U.S. Publication No. 20030104242, filed concurrently herewith, the disclosure of which is totally incorporated herein by reference, is an organic light emitting device comprising
(i) a first electrode;
(ii) a region comprising a mixture of (1) a tertiary aromatic amine, (2) a metal oxinoid, and (3) a red emitting material represented by
wherein X is a carbon C atom or a nitrogen N atom, or optionally oxygen or sulfur; R
1
, R
2
and R
3
are each independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, and substituted aryl; M is a divalent, trivalent or tetravalent metal;
(iii) a second electrode;
(iv) an optional protective element coated on at least one of the first and second electrodes; wherein one of said first and second electrodes is a hole injection anode, and one of said electrodes is an electron injection cathode; and at least one of
(v) a hole transport region situated between the anode and the region (ii), and wherein the hole transport region optionally includes a buffer layer; and
(vi) an electron transport region situated between the cathode and the region (ii), and wherein said red emitting component is present in an amount of from 1 to about 40 weight percent based on total weights of components in region (ii).
Illustrated in copending application U.S. Ser. No. 10/055,518, U.S. Publication No. 20030104243, filed concurrently herewith, the disclosure of which is totally Incorporated herein by reference, is an organic light emitting device comprising
(i) a first electrode;
(ii) a mixed region comprising a mixture of (1) a tertiary aromatic amine, (2) a metal oxinoid, and (3) a green emitting coumarin dye of the Formula
wherein X is selected from the group consisting of an oxygen atom, a sulfur atom, an alkyl imino group and aryl imino group; R
1
and R
2
are individually selected from the group consisting of alkyl, aryl, and carbocyclic; R
3
and R
4
are individually selected from the group consisting of a hydrogen atom, alkyl, and optionally a branched or unbranched 5 or 6 member substituent ring connecting with R
1
and R
2
, respectively; and R
5
, R
6
, R
7
, and R
8
are individually selected from the group consisting of a hydrogen atom, an alkoxy group and an alkyl group;
(iii) a second electrode;
(iv) an optional thermal protective element coated on one of the first and second electrodes; wherein one of the first and second electrodes is a hole injecting anode, and one of the first and second electrodes is an electron injecting cathode, and wherein the organic light emitting device further comprises at least one of
(v) a hole transport region interposed or situated between the anode and the mixed region, wherein the hole transport region optionally includes a buffer layer; and
(vi) an electron transport region interposed between the cathode and the mixed region, and wherein said green emitting dye is present in an amount of from about 0.01 to about 10 weight percent based on the total of said mixed layer components (ii).
Illustrated in copending application U.S. Ser. No. 10/005,970, U.S. Publication No. 20030104244, filed concurrently herewith, the disclosure of which is totally incorporated herein by reference, is an organic light emitting device comprising
(i) an anode;
(ii) a hole transport layer comprising a mixture of a porphyrin and a hole transport material;
(iii) a mixed region comprising a mixture of (1) a hole transport material, and (2) an electron transport material, and which mixed region optionally contains an organic luminescent material;
(iv) a cathode; and wherein the organic light emitting device optionally further comprises at least one of
(v) an electron transport region interposed between the mixed region and the cathode; and
(vi) an optional thermal protective element coated on one of the anode and cathode.
Illustrated in copending application U.S. Ser. No. 09/935,031, filed Aug. 22, 2001 on “OLEDs Having Light Absorbing Electrode”, U.S. Publication No. 20030038593, the disclosure of which is totally incorporated herein by reference, is an organic light emitting device comprising
a first electrode;
a second electrode; and
a luminescent region including an organic electroluminescent material between the first electrode and the second electrode, wherein one of the first electrode and the second electrode includes both a substantially transparent charge injecting layer adjacent to the luminescent region and an electrically conductive light absorbing layer.
Illustrated in U.S. Pat. No. 6,392,339 on “Organic Light Emitting Devices Having Improved Efficiency and Operation Lifetime”, filed on Jul. 20, 1999, the disclosure of which is totally incorporated herein by reference, is an organic light emitting device, comprising, for example,
a mixed region comprising a mixture of a hole transport material and an electron transport material, one of the hole transport material and the electron transport material being an emitter, the mixed region having a first surface and a second surface;
at least one of (i) a hole transport material on the first surface, and (ii) an electron transport material on the second surface;
an anode in contact with the hole transport material on the first surface or with the first surface; and
a cathode in contact with the electron transport material on the second surface or with the second surface; and U.S. Pat. No. 6,392,250 on “Organic Light Emitting Devices Having Improved Performance”, filed on Jun. 30, 2000, the disclosure of which is totally incorporated herein by reference, is an organic light emitting device, comprising, for example,
a mixed region having a first surface and a second surface, the mixed region comprising a mixture of a hole transport material, an electron transport material and at least one dopant, the dopant being an emitter, at least one of the hole transport material and the electron transport material optionally being an emitter;
at least one of (i) a hole transport region on the first surface, and (ii) an electron transport region on the second surface;
an anode in contact with the hole transport region on the first surface or with the first surface; and
a cathode in contact with the electron transport region on the second surface or with the second surface.
Illustrated in copending applications U.S. Ser. No. 09/770,159 on “Organ
Aziz Hany
Hor Ah-Mee
Hu Nan-Xing
Popovic Zoran D.
Vong Cuong
Garrett Dawn
Kelly Cynthia H.
Palazzo E. O.
Xerox Corporation
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