What is claimed is:
1. An apparatus for displaying a three-dimensional image, which can be observed in a viewing zone having a reference plane, comprising:
a display unit which has pixels arranged in a matrix form, the pixels being groped into a first group and a plurality of second groups to display elemental images, the first and second pixel groups having first and second pixel group centers, respectively; and
transmission control section having a first optical opening and a plurality of second optical openings, configured to control a transmission of light rays emitted from the elemental images, the first optical opening being opposed to the first pixel group, the second optical openings being opposed to corresponding one of the second pixel groups, the first and second optical openings having first and second opening axes, respectively, the first pixel group center being aligned on the first opening axis, each of the second pixel group centers being deviated from corresponding one of the second opening axes, the deviation being gradually increased depending on a distance between the first pixel group center and the second pixel group center, the light rays being directed from the first pixel group through the first opening axis and the light rays being directed from each of the second pixel groups through the corresponding one of the second opening axes to the reference plane.
2. The apparatus according to claim 1, wherein the first pixel group of the elemental images is displayed on n (n is a natural number) pixels arranged along a horizontal direction and the second pixel groups of the elemental images are displayed on n pixels and (n1) pixels arranged along the horizontal direction.
3. The apparatus according to claim 1, wherein the first pixel group of the elemental images is displayed on n (n is a natural number) pixels arranged along a vertical direction and the second pixel groups of the elemental images are displayed on n pixels and (n1) pixels arranged along the vertical direction.
4. The apparatus according to claim 1, wherein the display unit has a central axis passing through the first pixel group of elemental images, and the deviation is symmetrically and step wisely changed in respect to the central axis of the display unit.
5. The apparatus according to claim 1, wherein the optical openings are arranged toward an end from a center region of the transmission control section at a pitch changed in a stepwise manner in a certain period.
6. The apparatus according to claim 1, wherein the pixels corresponds to sub-pixels arranged at a sub-pixel pitch.
7. A method of distributing parallax images in an apparatus for displaying a three-dimensional image which can be observed in a viewing zone, the display unit including a display, which has pixels arranged in a matrix form, the pixels being groped into pixel groups to display elemental images, and a transmission control section having optical openings, which is configured to control a transmission of light rays from the elemental images, said method comprising:
determining a reference plane located at a predetermined distance from a display unit and a center of the reference plane as the center of the viewing zone;
setting optimum paths of light rays for the optical openings, each of the optimum path passing through the center of each of the optical opening to the center of the viewing zone or a position closest to the center of the viewing zone, and determining a relation between the optical opening and the corresponding pixel group which is located on the optimum path passing through the optical opening; and
applying the elemental images to the pixel groups based on the optimum paths.
8. The method according to claim 7, wherein the optical openings are arranged toward an end from a center region of the transmission control section at a pitch changed in a stepwise manner in a certain period.
9. The method according to claim 7, wherein the pixels corresponds to sub-pixels arranged at a sub-pixel pitch.
10. A method of distributing parallax images in an apparatus for displaying a three-dimensional image which can be observed in a viewing zone, the display unit including a display having pixels arranged in a matrix form, and a transmission control section having optical openings, which is configured to control a transmission of light rays from the pixel, said method comprising:
determining one of first and second states, light rays emitted from the pixel passing through the optical opening and being directed in the viewing zone in the first state, and the light rays emitted from the pixel passing through the optical opening and being directed outside the viewing zone, from a position of the pixel in the second state;
determining the parallax image information to be distributed to the pixels based on the path of the light rays in the first state; and
changing the optical opening to the another one of optical opening in the second state and returning to the determining one of the first and second states.
11. The parallax image distribution method according to claim 10, wherein the viewing zone has a reference plane of predetermined width, the light rays are directed in the reference plane of predetermined widthin the first state, and the light rays are directed outside of the reference plane of predetermined width in the second state.
12. The parallax image distribution method according to claim 10, further comprising determining the number of parallax image information based on the reference distance, a pitch of the optical opening, a pitch of the pixel, the number of pixels of the display unit, and a width of the viewing zone.
13. A method of displaying a three-dimensional image which can be observed in a viewing zone having a reference plane, the display method comprising:
displaying elemental image on pixels arranged in a matrix form, the pixels being groped into a first group and a plurality of second groups, the first and second pixel groups having first group center and a plurality of second pixel group centers, respectively; and
controlling a transmission of light rays emitted from the elemental images utilizing a first optical opening and a plurality of second optical openings, the first optical opening being opposed to the first pixel group, the second optical openings being opposed to corresponding one of the second pixel groups, the first and second optical openings having first and second opening axes, respectively, the first pixel group center being aligned on the first opening axis, each of the second pixel group centers being deviated from corresponding one of the second opening axes, the deviation being gradually increased depending on a distance between the first pixel group center and the second pixel group center, the light rays being directed from the first pixel group through the first opening axis and the light rays being directed from each of the second pixel groups through the corresponding one of the second opening axes to the reference plane.
14. The method according to claim 13, wherein the first pixel group of the elemental images is displayed on n (n is a natural number) pixels arranged along a horizontal direction and the second pixel groups of the elemental images are displayed on n pixels and (n1) pixels arranged along the horizontal direction.
15. The method according to claim 13, wherein the first pixel group of the elemental images is displayed on n (n is a natural number) pixels arranged along a vertical direction and the second pixel groups of the elemental images are displayed on n pixels and (n1) pixels arranged along the vertical direction.
16. The method according to claim 13, wherein the display unit has a central axis passing through the first pixel group of elemental images, and the deviation is symmetrically and step wisely changed in respect to the central axis of the display unit.
17. The method according to claim 13, wherein the optical openings are arranged toward an end from a center region of the transmission control section at a pitch changed in a stepwise manner in a certain period.
18. The method according to claim 13, wherein the pixels corresponds to sub-pixels arranged at a sub-pixel pitch.
19. An apparatus for displaying a three-dimensional image utilizing an integral imaging system comprising:
a display having a plurality of pixel units arranged vertically and horizontally, each pixel unit including first group of sub-pixels positioned in a middle part of the pixel unit, and a second group of sub-pixels positioned in a peripheral edge of the pixel unit; and
a optical filter disposed opposite to the pixel units and having optical openings, the optical openings causing the first group of sub-pixels to display the three-dimensional image and causing the second group of sub-pixels to display an image for warning distinguishable from the three-dimensional image.
20. The apparatus according to claim 19, wherein the display has a reference position, and a relative position of the first group with respect to the opening being shifted in a direction distant from the reference position in a stepwise manner.
21. An apparatus for displaying a three-dimensional image which can be observed in a viewing zone, comprising:
a plurality of pixel units arranged vertically and horizontally, each pixel unit including first group of sub-pixels;
a first shielding layer disposed opposite to the plurality of pixel units and including first optical openings disposed opposite to each pixel unit; and
a second shielding layer disposed between the plurality of pixel units and the first shielding layer, separated from the pixel units and the first shielding layer, and including second optical openings so disposed as to opposite to the first optical openings, respectively.
22. The apparatus according to claim 21, further comprising: a transparent substrate disposed between the first shielding layer and the second shielding layer to support the first and second shielding layers.
23. An apparatus for displaying a three-dimensional image, which can be observed in a viewing zone having a zone axis and a reference plane perpendicular to the zone axis, comprising:
a display unit which has pixels arranged in a matrix form, the pixels being grouped in groups of pixels to display elemental images, each of the groups of pixels having a group center; and
transmission control section having optical openings, configured to control a transmission of light rays emitted from the elemental images, the optical openings being opposed to the elemental images, the optical openings having opening axes, respectively, deviations being produced between some of the group centers and the corresponding opening axes, the deviation being stepwisely increased depending on a distance between the zone axis and the corresponding opening center, the light rays being directed from the pixels through the corresponding opening axis to the reference plane.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A light generation member comprising:
a light source comprising a plurality of light source units which generates a first light;
a light conversion member which converts the first light to a second light; and
a light diffusion member which is elongated in a first direction, in which is defined a plurality of first grooves corresponding to the light source units, respectively, the light diffusion member diffusing the first light generated by the light source and providing the diffused first light to the light conversion member,
wherein
the light diffusion member is between the light conversion member and the light source in a second direction crossing the first direction, and
the first grooves defined in the light diffusion member are each elongated in a third direction substantially perpendicular to the first and second directions.
2. The light generation member of claim 1, wherein the first light is a blue light and the second light is a white light.
3. The light generation member of claim 1, wherein the light source further comprises a substrate on which the light source units are disposed, the substrate and the light conversion member each elongated in the first direction and the light source units arranged in the first direction.
4. The light generation member of claim 1, wherein the light diffusion member further comprises:
a first extension part elongated in the first direction;
second extension parts of which first ends thereof are respectively connected to first and second ends of the first extension part opposite to each other in the first direction, the second extension parts respectively elongated in the second direction from the first and second ends of the first extension part; and
third extension parts of which first ends thereof are respectively connected to second ends of the second extension parts opposite to the first ends thereof in the second direction, the third extension parts respectively elongated in the first direction from the second ends of the second extension parts, distal second ends of the third extension parts opposite to the first ends thereof in the first direction disposed to face each other in the first direction.
5. The light generation member of claim 4, wherein a maximum length in the first direction of the third extension parts is smaller than a distance between a first groove closest to the first end the first extension part among the first grooves defined in the light diffusion member and the first end of the first extension part and smaller than a distance between a first groove closest to the second end of the first extension part among the first grooves defined in the light diffusion member and the second end of the first extension part.
6. The light generation member of claim 4, wherein
coupling grooves are defined at first and second ends of the light diffusion member by portions of the first extension part overlapping the third extension parts in the second direction, by the second extension parts and by the third extension parts, respectively, and
opposing first and second ends of the light conversion member are respectively disposed into the coupling grooves defined at the first and second ends of the light diffusion member.
7. The light generation member of claim 4, wherein the first grooves defined in the light diffusion member are recessed by a predetermined depth from a front surface of the first extension part, the front surface facing the light conversion member, toward a rear surface of the first extension part, the rear surface opposite to the front surface of the first extension part.
8. The light generation member of claim 7, wherein the light diffusion member further comprises defined therein a second groove recessed by a predetermined depth from the rear surface of the first extension part toward the front surface of the first extension part and in which the light source units are disposed, the second groove elongated in the first direction and recessed by the predetermined depth such that the first grooves defined in the light diffusion member do not meet the second groove defined in the light diffusion member.
9. The light generation member of claim 7, wherein each of the first grooves defined in the light diffusion member comprises:
a low point at a maximum distance from the front surface of the first extension part; and
two inclination surfaces forming a predetermined inclination angle with respect to a plane of the front surface of the first extension part.
10. The light generation member of claim 9, wherein the inclination surfaces extend from the low point to the front surface of the first extension part and form a first angle with respect to a first reference line, the first reference line defined as an imaginary line parallel to the second direction and passing through the low point.
11. The light generation member of claim 10, wherein the first angle is from about 30 degrees to about 75 degrees.
12. The light generation member of claim 1, wherein each of the first grooves defined in the light diffusion member is recessed to have a concave shape extended from a front surface of the light diffusion member, the front surface facing the light conversion member, toward a rear surface of the light diffusion member, the rear surface opposite to the front surface of the light diffusion member.
13. The light generation member of claim 1, wherein the light diffusion member comprises polymethyl methacrylate.
14. A display apparatus comprising:
a display panel which displays an image using a light;
a light source comprising a plurality of light source units which generates a first light and is arranged in a first direction;
a light conversion member which is elongated in the first direction and converts the first light to the light used by the display panel to display the image;
a light diffusion member which is elongated in the first direction, in which is defined a plurality of first grooves respectively corresponding to the light source units, the light diffusion member diffusing the first light and providing the diffused first light to the light conversion member; and
a light guide plate which guides the converted light from the light conversion member to the display panel,
wherein
the light diffusion member is between the light conversion member and the light source in a second direction crossing the first direction,
the light conversion member faces a light incident side surface of the light guide plate, and
the first grooves defined in the light diffusion member are each elongated in a third direction substantially perpendicular to the first and second directions.
15. The display apparatus of claim 14, wherein
the light diffusion member comprises:
a first extension part elongated in the first direction;
second extension parts of which first ends thereof are respectively connected to first and second ends of the first extension part opposite to each other in the first direction, the second extension parts respectively elongated in the second direction from the first and second ends of the first extension part; and
third extension parts of which first ends thereof are respectively connected to second ends of the second extension parts opposite to the first ends thereof in the second direction, the third extension parts respectively elongated in the first direction from the second ends of the second extension parts, distal second ends of the third extension parts opposite to the first ends thereof in the first direction disposed to face each other in the first direction, and
the first grooves defined in the light diffusion member are recessed by a predetermined depth from a front surface of the first extension part, the front surface facing the light conversion member, toward a rear surface of the first extension part, the rear surface opposite to the front surface of the first extension part.
16. The display apparatus of claim 15, wherein a maximum length in the first direction of the third extension parts is smaller than a distance between a first groove closest to the first end the first extension part among the first grooves defined in the light diffusion member and the first end of the first extension part and smaller than a distance between a first groove closest to the second end of the first extension part among the first grooves defined in the light diffusion member and the second end of the first extension part.
17. The display apparatus of claim 15, wherein
coupling grooves are defined at first and second ends of the light diffusion member by portions of the first extension part overlapping the third extension parts in the second direction, by the second extension parts and by the third extension parts, respectively, and
opposing ends of the light conversion member are respectively disposed in the coupling grooves defined at the first and second ends of the light diffusion member.
18. The display apparatus of claim 15, wherein the light diffusion member further comprises defined therein a second groove recessed by a predetermined depth from the rear surface of the first extension part toward the front surface of the first extension part and in which the light source units are disposed, the second groove elongated in the first direction recessed by the predetermined depth such that the first grooves defined in the light diffusion member do not meet the second groove defined in the light diffusion member.
19. The display apparatus of claim 15, wherein each of the first grooves defined in the light diffusion member comprises:
a low point at a maximum distance from the front surface of the first extension part; and
two inclination surfaces forming a predetermined inclination angle with respect to a plane of the front surface of the first extension part,
the inclination surfaces extending from the low point to the front surface of the first extension part and form a first angle with respect to a first reference line, the first reference line defined as an imaginary line parallel to the second direction and passing through the low point.
20. The display apparatus of claim 19, wherein the first angle is about 30 degrees to about 75 degrees.