Color liquid crystal display and compensation panel
First Claim
1. An optically anisotropic compensation panel comprising at least one optically anisotropic layer based on an ordered guest-host system comprisingan anisotropic host matrix, anda guest component comprising guest particles,wherein the anisotropic host matrix comprises an organic compound transparent to electromagnetic radiation in the visible spectral range,the guest particles provide an absorption additional to an absorption of the anisotropic host matrix, andsaid additional absorption is realized in at least one principal direction of the anisotropic host matrix in at least one subrange of the wavelength range from approximately 250 to 2500 nm;
- wherein the organic compound for the host matrix has a general structural formula I
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Abstract
In one aspect of the present invention there is provided an optically anisotropic compensation panel with spectrally controllable dispersion of refractive indices. The compensation panel comprises at least one optically anisotropic layer based on an ordered guest-host system. The guest-host system comprises an anisotropic host matrix including an organic compound transparent to electromagnetic radiation in the visible spectral range, and guest component having guest particles. In another aspect the present invention provides a method of producing an optically anisotropic compensation panel disclosed. And in yet another embodiment the present invention provides a liquid crystal display with the compensation panel disclosed.
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Citations
86 Claims
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1. An optically anisotropic compensation panel comprising at least one optically anisotropic layer based on an ordered guest-host system comprising
an anisotropic host matrix, and a guest component comprising guest particles, wherein the anisotropic host matrix comprises an organic compound transparent to electromagnetic radiation in the visible spectral range, the guest particles provide an absorption additional to an absorption of the anisotropic host matrix, and said additional absorption is realized in at least one principal direction of the anisotropic host matrix in at least one subrange of the wavelength range from approximately 250 to 2500 nm; wherein the organic compound for the host matrix has a general structural formula I - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 46, 47)
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42. An optically anisotropic compensation panel, comprising at least one optically anisotropic layer based on an ordered guest-host system comprising
an anisotropic host matrix, and a guest component comprising guest particles, wherein the anisotropic host matrix comprises an organic compound transparent to electromagnetic radiation in the visible spectral range, the guest particles provide an absorption additional to an absorption of the anisotropic host matrix, and said additional absorption is realized in at least one principal direction of the anisotropic host matrix in at least one subrange of the wavelength range from approximately 250 to 2500 nm; -
wherein the compensation panel possesses a spectrally controllable dispersion of refractive indices, and wherein the guest particles are pigments or dye molecules. - View Dependent Claims (45)
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48. A color liquid crystal display comprising
a liquid crystal cell, first and second polarizers arranged on each side of the liquid crystal cell, and at least one compensation panel located between said polarizers, wherein the compensation panel comprises at least one optically anisotropic layer based on an ordered guest-host system, wherein the guest-host system comprising an anisotropic host matrix comprising an organic compound transparent to electromagnetic radiation in the visible spectral range, and a guest component comprising guest particles, wherein the guest particles provide an absorption additional to an absorption of the anisotropic host matrix, and wherein said additional absorption is realized in at least one principal direction of the anisotropic host matrix in at least one subrange of the wavelength range from approximately 250 to 2500 nm, wherein the organic compound has a general structural formula I
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78. A color liquid crystal display, comprising
a liquid crystal cell, first and second polarizers arranged on each side of the liquid crystal cell, and at least one compensation panel located between said polarizers, wherein the compensation panel comprises at least one optically anisotropic layer based on an ordered guest-host system, wherein the guest-host system comprising an anisotropic host matrix comprising an organic compound transparent to electromagnetic radiation in the visible spectral range, and a guest component comprising guest particles, wherein the guest particles provide an absorption additional to an absorption of the anisotropic host matrix, and wherein said additional absorption is realized in at least one principal direction of the anisotropic host matrix in at least one subrange of the wavelength range from approximately 250 to 2500 nm, wherein the guest particles are pigments or dye molecules.
Specification