LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS

Information

  • Patent Application
  • 20070195231
  • Publication Number
    20070195231
  • Date Filed
    January 08, 2007
    18 years ago
  • Date Published
    August 23, 2007
    17 years ago
Abstract
A liquid crystal device includes an electrode substrate including a plurality of pixel electrodes; a counter substrate facing the electrode substrate; a color filter including a color element facing each of the plurality of pixel electrodes; liquid crystal supported between the electrode substrate and the counter substrate; and an alignment controlling means extending on a face, which contacts the liquid crystal, of at least one of the electrode substrate and the counter substrate. The color element has four or more colors, and an extending direction of the alignment controlling means formed on a position corresponding to the color element of any color of at least three predetermined colors of the four or more colors is determined in each color, and is different in each color.
Description

BRIEF DESCRIPTION OF THE DRAWINGS

The invention will be described with reference to the accompanying drawings, wherein like numbers reference like elements.



FIG. 1 is an exploded perspective view of a liquid crystal display according to the invention.



FIG. 2 is a sectional view showing the liquid crystal display taken along the line A-A of FIG. 1.



FIG. 3A is a schematic view showing a plane structure of a color filter. FIG. 3B is a schematic view showing a plane structure of a mother substrate provided with a plurality of second substrates.



FIG. 4A a plane view showing an arrangement example of a color element of a four-color filter. FIGS. 4B and 4C are plane views showing arrangement examples of color elements of a six-color filter.



FIGS. 5A and 5B are schematic views showing an outline of a droplet discharge head.



FIG. 6A is a perspective view showing a structure of a droplet discharge head. FIG. 6B is a sectional view showing a detailed structure of a discharge nozzle part of the droplet discharge head.



FIG. 7 is a flow chart showing processes of manufacturing a color filter substrate.



FIGS. 8A to 8G are sectional views schematically showing processes of manufacturing a color filter substrate.



FIG. 9 is a flow chart showing processes of manufacturing a liquid crystal display.



FIGS. 10A to 10C are sectional views schematically showing processes of forming the second substrate.



FIG. 11 is a sectional view of a liquid crystal panel showing an alignment direction of liquid crystal when no driving voltage is applied.



FIG. 12 is a plan view showing an extending direction of a protrusion in a picture element of a four-color filter.



FIG. 13 is a plan view showing an extending direction of a protrusion in a picture element of a six-color filter.



FIG. 14 is a plan view showing an extending direction of a protrusion in a picture element of a six-color filter.



FIG. 15 is a plan view showing an extending direction of a protrusion in a picture element of a six-color filter.



FIG. 16A is a sectional view showing an alignment direction of liquid crystal in a liquid crystal panel provided with a concave part on a face contacting a liquid crystal layer in a state that no driving voltage is applied. FIG. 16B is a sectional view showing an alignment direction of liquid crystal in a liquid crystal panel provided with a protrusion on a second substrate and a concave part on a first substrate contacting a liquid crystal layer in a state that no driving voltage is applied.



FIG. 17 is an external perspective view showing a large-sized liquid crystal television which is an example of the electronic apparatus.


Claims
  • 1. A liquid crystal device, comprising; an electrode substrate including a plurality of pixel electrodes;a counter substrate facing the electrode substrate;a color filter including a color element facing each of the plurality of pixel electrodes;a liquid crystal supported between the electrode substrate and the counter substrate; andan alignment controlling means extending on a face, the face contacting the liquid crystal, of at least one of the electrode substrate and the counter substrate;wherein the color element has four or more colors; and an extending direction of the alignment controlling means formed on a position corresponding to the color element of any color of at least three predetermined colors of the four or more colors is determined in each color, and is different in each color.
  • 2. The liquid crystal device according to claim 1, wherein an extending direction of the alignment controlling means formed on a position corresponding to the color element of a color other than the predetermined colors is determined in each color, is different in each color, and is different from an extending direction of the alignment controlling means formed on the position corresponding to the color element of any color of the predetermined colors.
  • 3. The liquid crystal device according to claim 1, wherein the predetermined colors are red, green, and blue which are three primary colors.
  • 4. The liquid crystal device according to claim 3, wherein an extending direction of the alignment controlling means formed on a position corresponding to the color element of a color other than the three primary colors is determined in each color, and different in each color.
  • 5. The liquid crystal device according to claim 1, wherein the predetermined colors are any of cyan, magenta, and yellow which are complementary colors of red, green, and blue which are the three primary colors.
  • 6. The liquid crystal device according to claim 5, wherein an extending direction of the alignment controlling means formed on a position corresponding to the color element of a color other than the complementary colors of the three primary colors is determined in each color, and different in each color.
  • 7. A liquid crystal device, comprising; an electrode substrate including a plurality of pixel electrodes; a counter substrate facing the electrode substrate;a color filter including a color element facing each of the plurality of pixel electrodes;a liquid crystal supported between the electrode substrate and the counter substrate; andan alignment controlling means extending on a face, the face contacting the liquid crystal, of at least one of the electrode substrate and the counter substrate;wherein the color element has a color of red, green and blue which are three primary colors, and cyan, magenta, and yellow which are complementary colors of the three primary colors; an extending direction of the alignment controlling means formed on a position corresponding to the color element of any color of the three primary colors is determined in each color, and different in each color; and an extending direction of the alignment controlling means formed on a position corresponding to the color element of any color of the complementary colors of the three primary colors is determined in each color, and different in each color.
  • 8. A liquid crystal device, comprising; an electrode substrate including a plurality of pixel electrodes; a counter substrate facing the electrode substrate;a color filter including a color element facing each of the plurality of pixel electrodes;a liquid crystal supported between the electrode substrate and the counter substrate; andan alignment controlling means extending on a face, the face contacting the liquid crystal, of at least one of the electrode substrate and the counter substrate;wherein the color element has a color of red, green and blue which are three primary colors, and cyan, magenta, and yellow which are complementary colors of the three primary colors; an extending direction of the alignment controlling means formed on a position corresponding to the color element is determined in each color, and an extending direction of the alignment controlling means formed on a position corresponding to the color element of a first color is different from an extending direction of the alignment controlling means formed on a position corresponding to the color element of a second color which is in a complementary color relation to the first color.
  • 9. A liquid crystal device, comprising; an electrode substrate including a plurality of pixel electrodes; a counter substrate facing the electrode substrate;a color filter including a color element facing each of the plurality of pixel electrodes;a liquid crystal supported between the electrode substrate and the counter substrate; andan alignment controlling means extending on a face, the face contacting the liquid crystal, of at least one of the electrode substrate and the counter substrate;wherein the color element includes a first color element having a first area of an effective area through which light transmits, and a second color element having a second area of the effective area; and an extending direction of the alignment controlling means formed on a position corresponding to at least one of the first color element and the second color element is determined in each color, and different in each color of the first color element or in each color of the second color element.
  • 10. A liquid crystal device, comprising; an electrode substrate including a plurality of pixel electrodes; a counter substrate facing the electrode substrate;a color filter including a color element facing each of the plurality of pixel electrodes;a liquid crystal supported between the electrode substrate and the counter substrate; andan alignment controlling means extending on a face, the face contacting the liquid crystal, of at least one of the electrode substrate and the counter substrate;wherein the color element includes a first color element having a first area of an effective area through which light transmits, and a second color element having a second area of the effective area; and an extending direction of the alignment controlling means formed on a position corresponding to the first color element or the second color element is determined in each color, and an extending direction of the alignment controlling means formed on a position corresponding to the first color element and an extending direction of the alignment controlling means formed on a position corresponding to the second color element are different from each other.
  • 11. The liquid crystal device according to claim 7, wherein an extending direction of the alignment controlling means formed on a position corresponding to the color element is determined in each color, and is different in each color of the color element.
  • 12. The liquid crystal device according to claim 1, wherein an extending direction of the alignment controlling means includes a first extending direction and a second extending direction; and the alignment controlling means corresponding to the single color element includes both of the alignment controlling means extending in the first extending direction and the alignment controlling means extending in the second extending direction.
  • 13. The liquid crystal device according to claim 1, wherein the alignment controlling means is a protrusion formed on a face contacting the liquid crystal or a concave part formed on a face contacting the liquid crystal.
  • 14. The liquid crystal device according to claim 13, one of the protrusion and the concave part, or both of the protrusion and the concave part are provided in corresponding to each of the color element.
  • 15. The liquid crystal device according to claim 13, the concave part is formed by providing a slit to the pixel electrode.
  • 16. The liquid crystal device according to claim 1, the alignment controlling means is a gap between the pixel electrodes adjacent each other.
  • 17. An electronic apparatus, comprising: the liquid crystal device according to claim 1.
Priority Claims (1)
Number Date Country Kind
2006-042007 Feb 2006 JP national