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US3891309A Expired / Lapsed US ⏱️ 0.0 years remaining

Reflective alterable state material display

Assignee: Honeywell Inc
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Filing: 1973-12-19
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Granted: 1975-06-24
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Expires: 1993-12-19
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Abstract

Abstract A display device with a selectively alterable state material is provided which operates in the reflective mode. An observer may look directly at the display without seeing his own image because of the geometrical relationship of the reflecting surface and the transparent surface through which the observer looks.

Inventors

  • 👤 Ulrich Bonne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 13:56
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/03; G02F1/055; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/133553; G02F1/137; G02F1/13756

Claims Analysis

Total Claims: 38
Claim 1
Independent Claim 149 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; reflecting surface means joined substantially across its surface to a first electrode by a solid body extending therebetween and exposed to said light passing through said transmitting surface, said reflecting surface means reflecting that light which has passed substantially perpendicularly through said transmitting surface to impinge on said reflecting surface means from an incident direction in directions other than said incident direction; and said alterable state material disposed between said transparent wall and said reflecting surface means so that light in passing perpendicularly through said transmitting surface to impinge on said reflecting surface means also passes through said alterable state material.
Claim 2
Dependent Claim 149 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; reflecting surface means joined substantially across its surface to a first electrode by a solid body extending therebetween and exposed to said light passing through said transmitting surface, said reflecting surface means reflecting that light which has passed substantially perpendicularly through said transmitting surface to impinge on said reflecting surface means from an incident direction in directions other than said incident direction; and said alterable state material disposed between said transparent wall and said reflecting surface means so that light in passing perpendicularly through said transmitting surface to impinge on said reflecting surface means also passes through said alterable state material.
Claim 3
Dependent Claim 37 words
The device of claim 1 wherein a second transparent electrode is a part of said transparent wall and said first electrode and said reflecting surface means are joined as said by a transparent dielectric material disposed therebetween.
Claim 4
Dependent Claim 17 words
The device of claim 2 wherein said transmitting surface is a part of said second transparent electrode.
Claim 5
Dependent Claim 15 words
The device of claim 3 wherein said transparent wall includes a fiber optic face plate.
Claim 6
Dependent Claim 140 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein and which includes a fiber optic faceplate; reflecting surface means exposed to said light passing through said transmitting surface, said reflecting surface means reflecting that light which has passed substantially perpendicularly through said transmitting surface to impinge on said reflecting surface means from an incident direction in directions other than said incident direction; and said alterable state material disposeD between said transparent wall and said reflecting surface means so that light in passing perpendicularly through said transmitting surface to impinge on said reflecting surface means also passes through said alterable state material.
Claim 7
Dependent Claim 140 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein and which includes a fiber optic faceplate; reflecting surface means exposed to said light passing through said transmitting surface, said reflecting surface means reflecting that light which has passed substantially perpendicularly through said transmitting surface to impinge on said reflecting surface means from an incident direction in directions other than said incident direction; and said alterable state material disposeD between said transparent wall and said reflecting surface means so that light in passing perpendicularly through said transmitting surface to impinge on said reflecting surface means also passes through said alterable state material.
Claim 8
Dependent Claim 172 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface joined substantially thereacross to a first electrode by a solid body extending therebetween and having one or more facets thereof exposed to said light passing through said transmitting surface with said facets positioned so that a part of said light, which passes through a portion of said transmitting surface and which both passes substantially perpendicular to said portion and impinges on at least one of said facets, is reflected by said one of said facets in directions other than toward said portion; and said alterable state material disposed between said transparent wall and said reflecting surface so that said light in passing through said transmitting surface to impinge on said one of said facets also passes through said alterable state material.
Claim 9
Dependent Claim 172 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface joined substantially thereacross to a first electrode by a solid body extending therebetween and having one or more facets thereof exposed to said light passing through said transmitting surface with said facets positioned so that a part of said light, which passes through a portion of said transmitting surface and which both passes substantially perpendicular to said portion and impinges on at least one of said facets, is reflected by said one of said facets in directions other than toward said portion; and said alterable state material disposed between said transparent wall and said reflecting surface so that said light in passing through said transmitting surface to impinge on said one of said facets also passes through said alterable state material.
Claim 10
Dependent Claim 36 words
The device of claim 6 wherein a second transparent electrode is a part of said transparent wall and said first electrode and said reflecting surface are joined as said by a transparent dielectric material disposed therebetween.
Claim 11
Dependent Claim 17 words
The device of claim 7 wherein said transmitting surface is a part of said second transparent electrode.
Claim 12
Dependent Claim 15 words
The device of claim 8 wherein said transparent wall includes a fiber optic face plate.
Claim 13
Dependent Claim 27 words
The device of claim 6 wherein there is a plurality of said facets and one or more of said facets reflects none of said light impinging thereon.
Claim 14
Dependent Claim 173 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein and which includes a fiber optic faceplate; a reflecting surface joined substantially thereacross to a first electrode and having one or more facets thereof exposed to said light passing through said transmitting surface with said facets positioned so that a part of said light, which passes through a portion of said transmitting surface and which both passes substantially perpendicular to said portion and impinges on at least one of said facets, is reflected by said one of said facets in directions other than toward said portion; and said alterable state material disposed between said transparent wall and said reflecting surface so that said light in passing through said transmitting surface to impinge on said one of said facets also passes through said alterable state material.
Claim 15
Dependent Claim 173 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein and which includes a fiber optic faceplate; a reflecting surface joined substantially thereacross to a first electrode and having one or more facets thereof exposed to said light passing through said transmitting surface with said facets positioned so that a part of said light, which passes through a portion of said transmitting surface and which both passes substantially perpendicular to said portion and impinges on at least one of said facets, is reflected by said one of said facets in directions other than toward said portion; and said alterable state material disposed between said transparent wall and said reflecting surface so that said light in passing through said transmitting surface to impinge on said one of said facets also passes through said alterable state material.
Claim 16
Dependent Claim 129 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface joined substantially thereacross to a first electrode by a solid body extending therebetween and having one or more facets, said reflecting surface being exposed to said light passing through said transmitting surface with said reflecting surface being nonparallel with said transmitting surface, and said alterable state material disposed between said transparent wall and said reflecting surface so that light in passing through said transmitting surface to impinge on said reflecting surface also passes through said alterable state material.
Claim 17
Dependent Claim 129 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface joined substantially thereacross to a first electrode by a solid body extending therebetween and having one or more facets, said reflecting surface being exposed to said light passing through said transmitting surface with said reflecting surface being nonparallel with said transmitting surface, and said alterable state material disposed between said transparent wall and said reflecting surface so that light in passing through said transmitting surface to impinge on said reflecting surface also passes through said alterable state material.
Claim 18
Dependent Claim 36 words
The device of claim 12 wherein a second transparent electrode is a part of said transparent wall and said first electrode and said reflecting surface are joined as said by a transparent dielectric material disposed therebetween.
Claim 19
Dependent Claim 17 words
The device of claim 13 wherein said transmitting surface is a part of said second transparent electrode.
Claim 20
Dependent Claim 15 words
The device of claim 14 wherein said transparent wall includes a fiber optic face plate.
Claim 21
Dependent Claim 27 words
The device of claim 12 wherein there is a plurality of said facets and one or more of said facets reflects none of said light impinging thereon.
Claim 22
Dependent Claim 130 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein and which includes a fiber optic faceplate; a reflecting surface joined substantially thereacross to a first electrode andd having one or more facets, said reflecting surface being exposed to said light passing through said transmitting surface with said reflecting surface being nonparallel with said transmitting surface, and said alterable state material disposed between said transparent wall and said reflecting surface so that light in passing through said transmitting surface to impinge on said reflecting surface also passes through said alterable state material.
Claim 23
Dependent Claim 130 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein and which includes a fiber optic faceplate; a reflecting surface joined substantially thereacross to a first electrode andd having one or more facets, said reflecting surface being exposed to said light passing through said transmitting surface with said reflecting surface being nonparallel with said transmitting surface, and said alterable state material disposed between said transparent wall and said reflecting surface so that light in passing through said transmitting surface to impinge on said reflecting surface also passes through said alterable state material.
Claim 24
Dependent Claim 139 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; reflecting surface means, serving also as a first electrode, exposed to said light passing through said transmitting surface, said reflecting surface means reflecting that light which has passed substantially perpendicularly through said transmitting surface to impinge on said reflecting surface means from an incident direction in directions other than said incident direction; and said alterable state material disposed between said transparent wall and said reflecting surface means so that light in passing perpendicularly through said transmitting surface to impinge on said reflecting surface means also passes through said alterable state material.
Claim 25
Dependent Claim 139 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; reflecting surface means, serving also as a first electrode, exposed to said light passing through said transmitting surface, said reflecting surface means reflecting that light which has passed substantially perpendicularly through said transmitting surface to impinge on said reflecting surface means from an incident direction in directions other than said incident direction; and said alterable state material disposed between said transparent wall and said reflecting surface means so that light in passing perpendicularly through said transmitting surface to impinge on said reflecting surface means also passes through said alterable state material.
Claim 26
Dependent Claim 22 words
The device of claim 18 wherein a transparent dielectric material is disposed between said alterable state material and said reflecting surface means.
Claim 27
Dependent Claim 17 words
The device of claim 18 wherein said transmitting surface is a part of said second transparent electrode.
Claim 28
Dependent Claim 15 words
The device of claim 20 wherein said transparent wall includes a fiber optic face plate.
Claim 29
Dependent Claim 164 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface, serving also as a first electrode, having one or more facets thereof exposed to said light passing through said transmitting surface with said facets positioned so that a part of said light, which passes through a portion of said transmitting surface and which both passes substantially perpendicular to said portion and impinges on at least one of said facets, is reflected by said one of said facets in directions other than toward said portion; and said alterable state material disposed between said transparent wall and said reflecting surface so that said light in passing through said transmitting surface to impinge on said one of said facets also passes through said alterable state material.
Claim 30
Dependent Claim 164 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface, serving also as a first electrode, having one or more facets thereof exposed to said light passing through said transmitting surface with said facets positioned so that a part of said light, which passes through a portion of said transmitting surface and which both passes substantially perpendicular to said portion and impinges on at least one of said facets, is reflected by said one of said facets in directions other than toward said portion; and said alterable state material disposed between said transparent wall and said reflecting surface so that said light in passing through said transmitting surface to impinge on said one of said facets also passes through said alterable state material.
Claim 31
Dependent Claim 21 words
The device of clAim 22 wherein a transparent dielectric material is disposed between said alterable state material and said reflecting surface.
Claim 32
Dependent Claim 17 words
The device of claim 22 wherein said transmitting surface is a part of said second transparent electrode.
Claim 33
Dependent Claim 15 words
The device of claim 24 wherein said transparent wall includes a fiber optic face plate.
Claim 34
Dependent Claim 121 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface, serving also as a first electrode, having one or more facets, said reflecting surface being exposed to said light passing through said transmitting surface with said reflecting surface being nonparallel with said transmitting surface, and said alterable state material disposed between said transparent wall and said reflecting surface so that light in passing through said transmitting surface to impinge on said reflecting surface also passes through said alterable state material.
Claim 35
Dependent Claim 121 words
A display device containing therein an alterable state material capable of having a material state thereof selectively altered locally to thereby alter, at that location, scattering properties of said alterable state material with respect to impinging light, said device comprising: a transparent wall having a transmitting surface therein; a reflecting surface, serving also as a first electrode, having one or more facets, said reflecting surface being exposed to said light passing through said transmitting surface with said reflecting surface being nonparallel with said transmitting surface, and said alterable state material disposed between said transparent wall and said reflecting surface so that light in passing through said transmitting surface to impinge on said reflecting surface also passes through said alterable state material.
Claim 36
Dependent Claim 21 words
The device of claim 26 wherein a transparent dielectric material is disposed between said alterable state material and said reflecting surface.
Claim 37
Dependent Claim 17 words
The device of claim 26 wherein said transmitting surface is a part of said second transparent electrode.
Claim 38
Dependent Claim 15 words
The device of claim 28 wherein said transparent wall includes a fiber optic face plate.

References Cited (Backward Citations)

US3738942A Cited
US3734598A Cited
US3748753A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-06-23 1978-12-23 1979-06-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-06-23 1982-12-23 1983-06-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-06-23 1986-12-23 1987-06-24 $7700.00 Window Closed / Lapsed

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