JP2009063888A5

JP2009063888A5 -

Info

Publication number: JP2009063888A5
Application number: JP2007232768A
Authority: JP
Filing date: 2007-09-07
Publication date: 2010-10-07
Anticipated expiration: 2027-09-07

Claims

A liquid crystal display device including a liquid crystal panel in which a plurality of pixels are formed in a pixel region,
The liquid crystal panel is
A first substrate;
A second substrate disposed to face the first substrate at an interval;
A liquid crystal layer provided so as to be sandwiched between the first substrate and the second substrate, and incident light incident from the side of the first substrate in the pixel region passes through the liquid crystal layer. And is configured to be emitted toward the second substrate,
The first substrate is
A plurality of the first optical elements are provided so as to emit the incident light corresponding to each of the plurality of pixels in the pixel region;
The second substrate is
The incident light includes a second optical element that is incident through the first optical element, and the second optical element emits the incident light corresponding to each of the plurality of pixels in the pixel region. Multiple liquid crystal display devices.

In the liquid crystal panel, a microlens is provided as the first optical element, and a microprism is provided as the second optical element,
The microlens condenses the incident light so as to correspond to the plurality of pixels, and the microprism changes the direction of light collected by the microlens corresponding to the plurality of pixels. It is configured,
The liquid crystal display device according to claim 1.

A light source that emits light;
Separating the light emitted from the light source into different light fluxes having different wavelength bands and having different angles, and emitting the light to the pixel region of the liquid crystal panel; and
A projection lens that projects a light beam emitted through the pixel region after being emitted to the pixel region of the liquid crystal panel by the color separation element, and
The microlens provided as the first optical element is a pixel provided so that each of the light beams emitted by the color separation element corresponds to the light beam emitted by the color separation element in the plurality of pixels. Are configured to concentrate on each of the
The liquid crystal display device according to claim 2 , wherein the microprism provided as the second optical element converts and emits the light beams collected by the microlens so that they are parallel to each other.

The light source is configured to emit white light;
The color separation element is configured to separate the white light irradiated by the light source into three primary color light fluxes and to emit each of the three primary color light fluxes at different angles,
In the first optical element, the light beams of the three primary colors separated and emitted by the color separation element are collected in pixels corresponding to the light beams of the three primary colors at the plurality of pixels at different angles. In the second optical element, the light beams of the three primary colors collected by the micro lens are converted into parallel rays and emitted from the second optical element. The liquid crystal display device according to claim 3 , wherein the microprism is configured.

The microprism is
Each of the three primary color light beams condensed by the microlens includes a first prism surface, a second prism surface, and a third prism surface on which the light beams are incident, and the first prism surface includes: The second prism surface and the third prism surface are perpendicular to the optical axis of the microlens and are formed so as to be inclined with respect to the optical axis of the microlens.
The liquid crystal display device according to claim 4 .

The microprism is formed to have a convex shape protruding from the second substrate toward the first substrate.
The liquid crystal display device according to claim 2 .

The microprism is formed to have a concave shape recessed toward the first substrate from the second substrate.
The liquid crystal display device according to claim 2.

The microprism is formed in contact with the second substrate,
The liquid crystal display device according to claim 6 or 7.

The microprism is formed to be spaced from the second substrate toward the liquid crystal layer.
The liquid crystal display device according to claim 6 or 7.

  The second substrate is
  A plurality of pixel electrodes formed to correspond to the plurality of pixels in the pixel region;
  A plurality of pixel switching elements formed to correspond to the plurality of pixels in the pixel region;
  A contact connecting the pixel electrode and the pixel switching element;
  Including
  The contact is formed in the microprism so as to correspond to a portion where the first prism surface is provided.
  The liquid crystal display device according to claim 9.

  The second substrate is
  A plurality of pixel electrodes formed to correspond to the plurality of pixels in the pixel region;
  A plurality of pixel switching elements formed to correspond to the plurality of pixels in the pixel region;
  A contact connecting the pixel electrode and the pixel switching element;
  Including
  The contact is formed in a range portion having a thickness of 1/2 or less with respect to the maximum value of the thickness defined in the direction along the optical axis of the microlens in the microprism.
  The liquid crystal display device according to claim 9.