LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS

• US 20070195231A1
• Filed: 01/08/2007
• Published: 08/23/2007
• Est. Priority Date: 02/20/2006
• Status: Abandoned Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: KURIBAYASHI, Mitsuru, ARUGA, Kazumi, INAGAKI, Akira
• Application Number:
  US11/620,808
• Publication Number:
  US 20070195231A1
• Time in Patent Office: Days
• US Class Current: 349/106
• CPC Class Codes: G02F 1/133514 Colour filters
• CPC Class Codes: G02F 1/133516 Methods for their manufacture, e.g. printing, electro-deposition or photolithography
• CPC Class Codes: G02F 1/133707 Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
• CPC Class Codes: G02F 2201/52 RGB geometrical arrangements

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.

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; and

an 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.

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.

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; and

an 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.

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.

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; and

an 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; and

an 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; and

an 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.