JP2006048071A5

JP2006048071A5 -

Info

Publication number: JP2006048071A5
Application number: JP2005250775A
Authority: JP
Filing date: 2005-08-31
Publication date: 2007-01-18
Anticipated expiration: 2021-11-30

Claims

A liquid crystal display having a plurality of subpixels each having a light transmission region and a light reflection region corresponding to different colors, and a pixel composed of the plurality of subpixels, wherein the liquid crystal is sandwiched between a pair of substrates facing each other. A liquid crystal display device comprising a panel,
A reflective layer provided in the light reflection region;
A color filter provided corresponding to the sub-pixel,
2. The liquid crystal display device according to claim 1, wherein a plurality of the light transmission regions are formed apart from each other in the sub-pixel.

The color filter has a plurality of dye layers of different colors corresponding to the plurality of sub-pixels,
The dye layer is formed in a region that overlaps the light transmission region in a plane and a region that overlaps the light reflection region in a plane,
The dye layer of at least one color among the plurality of dye layers is formed only in a part of a region overlapping the light reflection region in a plane,
2. The sub-pixel having a dye layer non-formation region in which the dye layer is not formed, wherein the light transmission region is arranged so as to face each other with the dye layer non-formation region interposed therebetween. Liquid crystal display device.

3. The liquid crystal display device according to claim 2, wherein the light transmission region is arranged along a longitudinal direction of the sub-pixel so as to face each other with the dye layer non-formation region interposed therebetween.

2. The liquid crystal display device according to claim 1, wherein a plurality of the light transmission regions are arranged in each of the sub-pixels in a longitudinal direction and a lateral direction of the sub-pixels.

2. The liquid crystal display device according to claim 1, wherein the number of the light transmission regions is the same as the number of the light transmission regions in the sub-pixels.

3. The liquid crystal display device according to claim 2, wherein the light transmission regions are arranged so as to face each other across the dye layer non-formation region along a short direction of the sub-pixel.

A transparent electrode is provided on one of the pair of substrates,
The liquid crystal display device according to claim 6, wherein the light transmission region is formed by forming a width of the transparent electrode larger than a width of the reflective layer.

The width of the reflective layer in one subpixel of the plurality of subpixels and the width of the reflective layer in other subpixels are different from each other. The liquid crystal display device according to claim 7, wherein an area of the light transmission region in the sub-pixel is different.

The area of the light transmission region in at least one subpixel of the plurality of subpixels is different from the area of the light transmission region in other subpixels. 2. A liquid crystal display device according to item 1.

An illumination device for illuminating the liquid crystal display panel with illumination light;
10. The liquid crystal display device according to claim 1, wherein an area of the light transmission region in the sub-pixel is an area corresponding to a spectral characteristic of the illumination light.

The liquid crystal display device according to claim 10, wherein an area of the light transmission region in the sub-pixel is an area corresponding to luminance at a wavelength corresponding to a color of the sub-pixel in the illumination light.

The area of the light transmission region in the sub-pixel of the color corresponding to the wavelength with high luminance among the illumination light is larger than the area of the light transmission region in the sub-pixel of the color corresponding to the wavelength with low luminance of the illumination light. The liquid crystal display device according to claim 11, wherein the liquid crystal display device is small.

The liquid crystal display device according to claim 1, wherein an area of the light transmission region in the plurality of sub-pixels is different for each sub-pixel corresponding to a different color.

The area of the light transmission region in the plurality of sub-pixels varies depending on the position of the sub-pixel in the substrate surface of the liquid crystal display panel. Liquid crystal display device.

The sub-pixels correspond to red, green and blue,
The area of the light transmission region in the sub-pixel corresponding to green is smaller than the area of the light transmission region in the sub-pixel corresponding to another color. The liquid crystal display device described.

The sub-pixels correspond to red, green and blue,
The area of the light transmission region in the sub-pixel corresponding to green is smaller than the area of the light transmission region in the sub-pixel corresponding to blue,
The area of the light transmission region in the sub-pixel corresponding to the blue color is smaller than the area of the light transmission region in the sub-pixel corresponding to the red color. Liquid crystal display device.

The color filter has a plurality of dye layers of different colors corresponding to the plurality of sub-pixels,
The dye layer is formed in a region that overlaps the light transmission region in a plane and a region that overlaps the light reflection region in a plane,
The dye layer of at least one color among the plurality of dye layers is formed only in a part of a region overlapping the light reflection region in a plane,
2. The liquid crystal display device according to claim 1, wherein in the sub-pixel having a dye layer non-formation region in which the dye layer is not formed, a plurality of the dye layer non-formation regions are formed apart from each other.

The area of the dye layer forming region in which the dye layer is formed is formed so as to be different between at least one of the plurality of dye layers of different colors and the dye layer of another color. The liquid crystal display device according to claim 1, wherein the liquid crystal display device is a liquid crystal display device.

The dye layer is composed of a red layer, a green layer, and a blue layer,
19. The liquid crystal display device according to claim 18, wherein the area of the dye forming region is provided so that the green layer is smaller than the red layer and the blue layer.

The transparent film which planarizes the level | step difference of the area | region in which the pigment | dye layer of the said color filter was provided, and the area | region which is not provided is provided. The liquid crystal display device described.

The reflective layer is made of aluminum or an aluminum alloy, the dye layer includes a red layer and a blue layer, and the area of the dye layer forming region is smaller than that of the red dye layer. The liquid crystal display device according to claim 18, wherein the liquid crystal display device is provided.

The reflective layer is made of silver or a silver alloy, the dye layer includes a red layer and a blue layer, and the area of the dye layer forming region is smaller than that of the blue dye layer. The liquid crystal display device according to claim 18, wherein the liquid crystal display device is provided.

24. The liquid crystal according to claim 1, wherein color characteristics of the color filter are adjusted by changing an area of a region where the dye layer is provided. Display device.

An electronic apparatus comprising the liquid crystal display device according to any one of claims 1 to 23.