Color light guide panel and liquid crystal display
A color light guide panel, suitable for differentiating an incident light into multiple color lights is provided. The color light guide panel includes a substrate and a color light output structure. The substrate has multiple pixel regions, and the color light output structure is disposed in each of the pixel regions. The color light output structure includes a first nano-pattern, a second nano-pattern and a third nano-pattern. The incident light is scattered by the first nano-pattern for producing a first color light, scattered by the second nano-pattern for producing a second color light, and scattered by the third nano-pattern for producing a third color light. The color light guide panel can output uniform and high luminous first, second and third color light. Moreover, a liquid crystal display device having the above color light output structure is also provided.
1. A color light guide panel, for differentiating an incident light into multiple color lights, comprising:
a substrate, having a plurality of pixel regions; and
a color light output structure, disposed in each of the pixel regions, and the color light output structure comprising:
a first nano-pattern, scattering the incident light for producing a first color light;
a second nano-pattern, scattering the incident light for producing a second color light; and
a third nano-pattern, scattering the incident light for producing a third color light,
wherein the color light output structure further comprises a fourth nano-pattern, the incident light is scattered by the fourth nano-pattern for producing a fourth color light, and the fourth nano-pattern comprises a plurality of nano particles,
wherein a space between the nano particles of the fourth nano-pattern is Dd or a multiple of Dd, wherein Dd is 600 nanometers±30 nanometers, and the color of the fourth color light is yellow.
2. The color light guide panel as claimed in claim 1 , wherein the first nano-pattern, the second nano-pattern and the third nano-pattern respectively comprise a plurality of nano particles.
3. The color light guide panel as claimed in claim 2 , wherein diameter of the nano particle is between 3-250 nanometers.
4. The color light guide panel as claimed in claim 2 , wherein a space between the nano particles of the first nano-pattern is Da or a multiple of Da, wherein Da is 650 nanometers±30 nanometers, and the color of the first color light is red.
5. The color light guide panel as claimed in claim 2 , wherein a space between the nano particles of the second nano-pattern is Db or a multiple of Db, wherein Db is 550 nanometers±30 nanometers, and the color of the second color light is green.
6. The color light guide panel as claimed in claim 2 , wherein a space between the nano particles of the third nano-pattern is Dc or a multiple of Dc, wherein Dc is 450 nanometers±30 nanometers, and the color of the third color light is blue.
7. The color light guide panel as claimed in claim 1 , wherein diameter of the nano particle is between 3-250 nanometers.
8. The color light guide panel as claimed in claim 2 , wherein material of the nano particles comprises organic materials or inorganic materials.
9. The color light guide panel as claimed in claim 8 , wherein the organic material comprises polystyrene, polymethylemethacrylate or photopolymer.
10. The color light guide panel as claimed in claim 8 , wherein the inorganic material comprises metal, alloy, insulating materials or semiconductor.
11. The color light guide panel as claimed in claim 2 , wherein shape of the nano particle comprises triangle, polygon or circle.
12. A color light guide panel, for differentiating an incident light into multiple color lights, comprising:
a substrate, having a plurality of pixel regions; and
a color light output structure, disposed in each of the pixel regions, and the color light output structure comprising:
a first nano-pattern, scattering the incident light for producing a first color light;
a second nano-pattern, scattering the incident light for producing a second color light;
a third nano-pattern, scattering the incident light for producing a third color light; and
a fourth nano-pattern, scattering the incident light for producing a fourth color light,
wherein, the first nano-pattern, the second nano-pattern, the third nano-pattern and the fourth nano-pattern respectively comprise a plurality of nano particles,
wherein a space between the nano particles of the first nano-pattern is Da or a multiple of Da, wherein Da is 650 nanometers±30 nanometers, and the color of the first color light is red,
a space between the nano particles of the second nano-pattern is Db or a multiple of Db, wherein Db is 550 nanometers±30 nanometers, and the color of the second color light is green,
a space between the nano particles of the third nano-pattern is Dc or a multiple of Dc, wherein Dc is 450 nanometers±30 nanometers, and the color of the third color light is blue,
a space between the nano particles of the fourth nano-pattern is Dd or a multiple of Dd, wherein Dd is 600 nanometers±30 nanometers, and the color of the fourth color light is yellow.