Abstract: An image display device is provided. The image display device includes a light source and a polarizer including a first polarizing region configured to linearly polarize light which is output from the light source and a second polarizing region configured to circularly polarize light which is output from the light source.

Abstract: A light guide plate is described that includes a plurality of reflection areas and a plurality of scattering areas arranged to provide light to a display panel to display images with parallax. A display apparatus is described that can include a light guide plate comprising a plurality of scattering areas and a plurality of reflection areas arranged to form a parallax barrier, and a display panel that displays an image based on light received from the light guide plate. A display apparatus is described that can include a light guide plate comprising a plurality of scattering areas and a plurality of reflection areas arranged in an alternating pattern, and a display panel that displays an image based on light received from the light guide plate. An apparatus is described that includes a backlight positioned on a first side of the light guide plate.

Abstract: A display apparatus including a display panel and a backlight to supply light to the display panel is provided. The backlight includes a light guide plate to guide light to the display panel, at least one three dimensional light source disposed to face a side end of the light guide plate, a two dimensional light source disposed at a rear of the light guide plate, and at least one diffusion member disposed between the at least one three dimensional light source and the side end of the light guide plate.

Abstract: A light source device includes: a light guide plate having first and second internal reflection planes facing each other; a first light source applying first illumination light from a side surface of the light guide plate into an interior thereof; a second light source facing the second internal reflection plane, and applying second illumination light to the second internal reflection plane; and a reflective member between the second internal reflection plane and the second light source. The second internal reflection plane is provided with a total-reflection region allowing the first illumination light to be reflected in a total-internal-reflection manner whereas allowing the second illumination light to pass therethrough, and a scattering region allowing the first illumination light to be reflected and scattered. The reflective member is disposed in a position corresponding to the scattering region, and reflects light having passed through the scattering region, toward the first internal reflection plane.

Abstract: A light guide plate is described that includes a plurality of reflection areas and a plurality of scattering areas arranged to provide light to a display panel to display images with parallax. A display apparatus is described that can include a light guide plate comprising a plurality of scattering areas and a plurality of reflection areas arranged to form a parallax barrier, and a display panel that displays an image based on light received from the light guide plate. A display apparatus is described that can include a light guide plate comprising a plurality of scattering areas and a plurality of reflection areas arranged in an alternating pattern, and a display panel that displays an image based on light received from the light guide plate. An apparatus is described that includes a backlight positioned on a first side of the light guide plate.

Abstract: A three-dimensional display apparatus is provided having a light guide module which guides to a display panel from a backlight. The three-dimensional display apparatus includes a first light guide, a second light guide, and an emission pattern which emits light toward the display panel. Viewing distances between a viewer's eyes and the display panel are determined by a thickness of the second light guide regardless of a thickness of the first light guide.

Abstract: Provided is a backlight device in which each of a plurality of patterns separated at a uniform interval is intermittently formed and a 3D display apparatus having the same. The backlight device includes light sources configured to generate light and a light guide plate configured to change a path of the light and configured to emit the light, wherein the light guide plate includes an incident surface upon which the light is incident, an exit surface configured to emit the incident light, a reflective surface provided opposite to the exit surface, and a plurality of main patterns separated at a uniform interval, the plurality of main patterns provided intermittently on the reflective surface and configured to scatter the incident light.

Abstract: An image display device is provided. The image display device includes a light source and a polarizer including a first polarizing region configured to linearly polarize light which is output from the light source and a second polarizing region configured to circularly polarize light which is output from the light source.

Abstract: A light source device includes: a light guide plate having a first internal reflection plane and a second internal reflection plane which face each other; one or more light sources each applying illumination light through a side surface of the light guide plate into an interior thereof; and an optical device disposed to face the light guide plate, and modulating, for each of partial regions thereof, a state of light rays exiting therefrom. One or both of the first and the second internal reflection planes each have scattering regions each allowing the illumination light from the light sources to be scattered and exit from the first internal reflection plane of the light guide plate, and one or both of the first and second internal reflection planes each have total-reflection regions allowing the illumination light from the light sources to be reflected in a manner of total-internal-reflection.

Abstract: A light guide plate is described that includes a plurality of reflection areas and a plurality of scattering areas arranged to provide light to a display panel to display images with parallax. A display apparatus is described that can include a light guide plate comprising a plurality of scattering areas and a plurality of reflection areas arranged to form a parallax barrier, and a display panel that displays an image based on light received from the light guide plate. A display apparatus is described that can include a light guide plate comprising a plurality of scattering areas and a plurality of reflection areas arranged in an alternating pattern, and a display panel that displays an image based on light received from the light guide plate. An apparatus is described that includes a backlight positioned on a first side of the light guide plate.

Abstract: A display includes: a display section including pixels, and grouping the pixels into pixel groups to assign, in a predetermined assignment pattern, perspective images to the groups, respectively, thereby displaying the perspective images; and a light source device including a light guide plate and one or more first light sources, and emitting light, the light guide plate having a first internal reflection face and a second internal reflection face and having one or more side faces, and the first light sources applying first illumination light into the light guide plate. One or both of the first and second internal reflection faces each have scattering regions arranged in a predetermined arrangement pattern corresponding to the predetermined assignment pattern, the scattering regions allowing the first illumination light from the first light source to be scattered and to exit to the outside of the light guide plate through the first internal reflection face.

Abstract: A light source device includes: a light guide plate having a first internal reflection plane and a second internal reflection plane which face each other; one or more light sources each applying illumination light through a side surface of the light guide plate into an interior thereof; and an optical device disposed to face the light guide plate, and modulating, for each of partial regions thereof, a state of light rays exiting therefrom. One or both of the first and the second internal reflection planes each have scattering regions each allowing the illumination light from the light sources to be scattered and exit from the first internal reflection plane of the light guide plate, and one or both of the first and second internal reflection planes each have total-reflection regions allowing the illumination light from the light sources to be reflected in a manner of total-internal-reflection.

Abstract: A light source device includes: a light guide plate having a first internal reflection face and a second internal reflection face, and having one or more side faces; one or more first light sources applying first illumination light into the light guide plate; and a second light source disposed to face a surface, of the light guide plate, corresponding to the second internal reflection face, the second light source externally applying second illumination light to the second internal reflection face. One or both of the first and second internal reflection faces each have scattering regions allowing the first illumination light from the first light source to be scattered and to exit from the first internal reflection face to outside the light guide plate, each of the scattering regions being provided with one or more pass-through regions each allowing the second illumination light from the second light source to pass therethrough.

Abstract: A direct backlight device including a light source arranged on the rear surface of a light-guiding plate and a liquid crystal display apparatus including the backlight device are provided, in which light extracting efficiency from the light-guiding plate is improved and luminance can be prevented from lowering or can be improved. The backlight device includes a light source arranged on the rear surface opposite to a light-emitting surface, and a reflective-angle modified portion, for example, a concave-convex portion formed by sandblast to modify a reflective angle of light emitted from the light source is provided at least on the light-emitting surface and/or the rear surface. A light reflective angle equal to or smaller than the critical angle is modified to improve the light extracting efficiency from the light-emitting surface.

Abstract: A light source device includes: a light guide plate having first and second internal reflection planes facing each other; a first light source applying first illumination light from a side surface of the light guide plate into an interior thereof; a second light source facing the second internal reflection plane, and applying second illumination light to the second internal reflection plane; and a reflective member between the second internal reflection plane and the second light source. The second internal reflection plane is provided with a total-reflection region allowing the first illumination light to be reflected in a total-internal-reflection manner whereas allowing the second illumination light to pass therethrough, and a scattering region allowing the first illumination light to be reflected and scattered. The reflective member is disposed in a position corresponding to the scattering region, and reflects light having passed through the scattering region, toward the first internal reflection plane.

Abstract: A light source device includes: a light guide plate having a first internal reflection plane and a second internal reflection plane which face each other; one or more light sources each applying illumination light through a side surface of the light guide plate into an interior thereof; and an optical device disposed to face the light guide plate, and modulating, for each of partial regions thereof, a state of light rays exiting therefrom. One or both of the first and the second internal reflection planes each have scattering regions each allowing the illumination light from the light sources to be scattered and exit from the first internal reflection plane of the light guide plate, and one or both of the first and second internal reflection planes each have total-reflection regions allowing the illumination light from the light sources to be reflected in a manner of total-internal-reflection.

Abstract: A display unit includes: a display section displaying an image; and a light source device emitting light for image display toward the display section, the light source device including one or more first light sources, a light guide plate, and an optical member, the first light sources emitting first illumination light, the light guide plate including a plurality of scattering regions that allow the first illumination light to be scattered and then to exit from the light guide plate, the optical member being disposed on a light-emission side of the light guide plate to face the light guide plate and allowing an angular distribution of luminance of the first illumination light emitted from the light guide plate to be varied.

Abstract: Provided is a light source device including a light guiding plate including a first internal reflection plane and a second internal reflection plane opposite to each other, a first light source irradiating an inside of the light guiding plate with first illumination light from its lateral side, and a diffusion member disposed opposite to the first internal reflection plane or the second internal reflection plane and diffusing incident light, wherein a plurality of transmission areas permitting the first illumination light to pass and to radiate toward an outside of the light guiding plate are provided on the first internal reflection plane or the second internal reflection plane, and the diffusion member is disposed opposite to the plurality of transmission areas and diffuses light having passed through the plurality of transmission areas.

Abstract: A planar illumination device includes: a light guide plate formed by arranging a plurality of unit light guide plates each having a light emission surface as a front surface and a reflection surface as a back surface so that facing end surfaces of adjacent unit light guide plates of the plurality of unit light guide plates are closely arranged; and one or two or more light sources arranged on a side surface, in a direction where the plurality of unit light guide plates are arranged, of each of the plurality of unit light guide plates, in which a projection section is arranged on one of facing surfaces of two adjacent unit light guide plates in the arrangement direction and a recession section in which the projection section is engaged is arranged on the other of the facing surfaces of the two adjacent unit light guide plates.

Abstract: Provided is a light source device including a light guide panel which has a first inner reflecting surface and a second inner reflecting surface opposing each other, a first light source which irradiates first illuminating light from a lateral direction to the light guide panel, a second light source which is arranged opposite a side on which the second inner reflecting surface is formed on the light guiding panel, and which irradiates second illuminating light to the second inner reflecting surface, and an optical member which is arranged between the light guide panel and the second light source, and which reduces intensity of incident light, wherein a plurality of scattering areas are provided on the second inner reflecting surface which scatter and emit the first illuminating light from the first inner reflecting surface to outside of the light guide panel.