US5262379A
Expired / Lapsed
US
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Color filter array element with polyimide receiving layer
Assignee: Eastman Kodak Co
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Filing: 1993-03-22
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Granted: 1993-11-16
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Expires: 2013-03-22
Abstract
Abstract This invention relates to a thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating mosaic pattern of colorants in a polyimide binder having a Tg greater than about 200 DEG C.
Inventors
- 👤 David B. Bailey
- 👤 Scott E. Tunney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:46
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/26; B41M5/40; B41M5/41; B41M5/529; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/133509; G02F1/133514; G02F1/133516; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10S430/00; Y10S430/146; Y10S430/165; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24926; Y10T428/31504; Y10T428/31721
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
34 words
A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating mosaic pattern of colorants in a polyimide binder having a Tg greater than about 200° C.
Claim 2
Dependent Claim
34 words
A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating mosaic pattern of colorants in a polyimide binder having a Tg greater than about 200° C.
Claim 3
Dependent Claim
22 words
The element of claim 1 wherein said polyimide binder has a number average molecular weight of from about 10,000 to about 300,000.
Claim 4
Dependent Claim
26 words
The element of claim 1 wherein said polyimide has the formula ##STR6## wherein A is derived from a diamine and B is derived from a dianhydride.
Claim 5
Dependent Claim
13 words
The element of claim 3 wherein each said diamine and diahydride are aromatic.
Claim 6
Dependent Claim
16 words
The element of claim 4 wherein each said aromatic diamine and aromatic dianhydride contains fluoro groups.
Claim 7
Dependent Claim
12 words
The element of claim 3 wherein said diamine is a phenylindane diamine.
Claim 8
Dependent Claim
15 words
The element of claim 6 wherein said phenylindane diamine is 5-amino-1-(4'-aminophenyl)-1,3,3-trimethylindane, 6-amino-1-(4'-aminophenyl)-1,3,3-trimethylindane, or mixtures thereof.
Claim 9
Dependent Claim
15 words
The element of claim 1 wherein said thermally-transferred image comprises one or more sublimable dyes.
Claim 10
Dependent Claim
19 words
The element of claim 1 wherein said pattern consists of a set of red, green and blue additive primaries.
Claim 11
Dependent Claim
12 words
The element of claim 1 wherein said thermally-transferred image is laser induced.
Claim 12
Dependent Claim
18 words
The element of claim 1 wherein said thermally transferred image is obtained using a high intensity light flash.
Claim 13
Dependent Claim
10 words
The element of claim 1 wherein said support is glass.
Claim 14
Dependent Claim
79 words
A process of forming a color filter array element comprising: a) imagewise-heating a dye-donor element comprising a support having thereon a dye layer, and b) transferring portions of the dye layer to a dye-receiving element comprising a support having thereon a dye image-receiving layer, wherein the imagewise-heating and transferring produces a repeating mosaic pattern of colorants forming a color filter array, and wherein the dye image-receiving layer comprises a polyimide binder having a Tg greater than about 200° C.
Claim 15
Dependent Claim
79 words
A process of forming a color filter array element comprising: a) imagewise-heating a dye-donor element comprising a support having thereon a dye layer, and b) transferring portions of the dye layer to a dye-receiving element comprising a support having thereon a dye image-receiving layer, wherein the imagewise-heating and transferring produces a repeating mosaic pattern of colorants forming a color filter array, and wherein the dye image-receiving layer comprises a polyimide binder having a Tg greater than about 200° C.
Claim 16
Dependent Claim
26 words
The process of claim 13 wherein the polyimide has the formula ##STR7## wherein A is derived from a diamine and B is derived from a dianhydride.
Claim 17
Dependent Claim
13 words
The process of claim 14 wherein each said diamine and diahydride are aromatic.
Claim 18
Dependent Claim
16 words
The process of claim 15 wherein each said aromatic diamine and aromatic dianhydride contains fluoro groups.
Claim 19
Dependent Claim
12 words
The process of claim 14 wherein said diamine is a phenylindane diamine.
Claim 20
Dependent Claim
19 words
The process of claim 13 wherein said pattern consists of a set of red, green and blue additive primaries.
Claim 21
Dependent Claim
15 words
The process of claim 13 wherein a laser is used to perform said imagewise-heating step.
Claim 22
Dependent Claim
18 words
The process of claim 13 wherein a high intensity light flash is used to perform said imagewise-heating step.
References Cited (Backward Citations)
US4991936A
Cited
US4962081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1996-11-15 | 1997-05-17 | 1997-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-15 | 2001-05-17 | 2001-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-15 | 2005-05-17 | 2005-11-16 | $7700.00 | Window Closed / Lapsed |