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EP0321982A2
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Display medium
Assignee: Canon Inc
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Filing: 1988-12-22
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Granted: —
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Expires: 2008-12-22
Abstract
Abstract A color display medium is' constituted by a colored polymer layer having at least two display regions of different colors, typically three colors of blue, green and red, along the extension of the polymer layer. The display regions of different colors have respectively different wavelength regions of light absorption or respectively different temperatures of thermal transition between transparent and scattering states.
Inventors
- 👤 Shuzo Kaneko
- 👤 Kazuo Isaka
- 👤 Akihiro Mouri
- 👤 Kazuo Yoshinaga
- 👤 Toshikazu Ohnishi
- 👤 Yutaka Kurabayashi
- 👤 Takeo Eguchi
- 👤 Yomishi Toshida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 15:45
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/132; C; C09; C09K; C09K19/00; C09K19/04; C09K19/38; C09K19/3833; C09K19/3842; C09K19/3852; G02F1/133; G02F1/1333; G02F1/133365
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
38 words
A display medium, comprising a colored polymer layer having at least two display regions of different colors along the extension of the polymer layer, the display regions of different colors having respectively different wavelength regions of light absorption.
Claim 2
Dependent Claim
38 words
A display medium, comprising a colored polymer layer having at least two display regions of different colors along the extension of the polymer layer, the display regions of different colors having respectively different wavelength regions of light absorption.
Claim 3
Dependent Claim
24 words
A medium according to Claim 1, wherein said display regions of different colors of the polymer layer contain dyes showing respectively different light-absorbing sensitivities.
Claim 4
Dependent Claim
16 words
A medium according to Claim 1, wherein said colored polymer layer comprises a polymer liquid crystal.
Claim 5
Dependent Claim
26 words
A medium according to Claim 1, wherein said display regions of different colors are disposed in the form of mosaic or stripes in the polymer layer.
Claim 6
Dependent Claim
18 words
A medium according to Claim 1, wherein said different colors are three colors of blue, green and red.
Claim 7
Dependent Claim
15 words
A medium according to Claim 1, which is in the form of an endless belt.
Claim 8
Dependent Claim
41 words
A display medium, comprising a colored polymer layer having at least two display regions of different colors along the extension of the polymer layer, the display regions of different colors having different temperatures of thermal transition between transparent and scattering states.
Claim 9
Dependent Claim
41 words
A display medium, comprising a colored polymer layer having at least two display regions of different colors along the extension of the polymer layer, the display regions of different colors having different temperatures of thermal transition between transparent and scattering states.
Claim 10
Dependent Claim
18 words
A medium according to Claim 7, wherein said display regions of different colors comprise respectively different polymer materials.
Claim 11
Dependent Claim
16 words
A medium according to Claim 7, wherein said colored polymer layer comprises a polymer liquid crystal.
Claim 12
Dependent Claim
26 words
A medium according to Claim 7, wherein said display regions of different colors are disposed in the form of mosaic or stripes in the polymer layer.
Claim 13
Dependent Claim
18 words
A medium according to Claim 7, wherein said different colors are three colors of blue, green and red.
Claim 14
Dependent Claim
15 words
A medium according to Claim 7, which is in the form of an endless belt.
References Cited (Backward Citations)
No citation records indexed.
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