Three-dimensional display device

A display device, comprising:

• a projection lens configured to provide an original image;
• a Fresnel lens;
• an angle magnifying screen;
• a vertical diffuser;
• a first micro-deflector;
• and
• a second micro-deflector provided between the first micro-deflector and the angle magnifying screen,
• wherein the first micro-deflector is provided between the Fresnel lens and the angle magnifying screen, and the angle magnifying screen is provided between the first micro-deflector and the vertical diffuser,
• wherein the first micro-deflector is configured to redirect the original image into a first perspective image and a second perspective image, and wherein a perspective direction of the first perspective image differs from a perspective direction of the second perspective image,
• wherein the first micro-deflector comprises a first deflective area configured to redirect the original image into the first perspective image;
• and a second deflective area configured to redirect the original image into the second perspective image,
• wherein the second micro-deflector is configured to redirect the first perspective image into a first sub-perspective image and a second sub-perspective image;
• and redirect the second perspective image into a third sub-perspective image and a fourth sub-perspective image, and wherein perspective directions of the first, second, third and fourth sub-perspective images differ from each other,
• wherein the second micro-deflector comprises a first sub-deflective area and a second sub-deflective area configured to redirect the first perspective image into the first sub-perspective image and the second sub-perspective image;
• and redirect the second perspective image into the third sub-perspective image and the fourth sub-perspective image,
• wherein the first deflector further comprises a third deflective area, and the second deflector further comprises a third sub-deflective area, and wherein the first, second and third deflective areas extend along a first direction, and the first, second and third sub-deflective areas extend along a second direction, and wherein an included angle between the first direction and the second direction is 45 degrees, and
• wherein using the following equation to determine a deflective power:
• sin φo=n*sin θ2√{square root over (1−[sin(θ2−φi)/n]2−)}cos θ2*sin(θ2−φi)
• sin φo=n*sin θ1√{square root over (1−[sin(θ1+φi)/n]2−)}cos θ1*sin(θ1+φi)
• the deflective powers of the first deflective area, the second deflective area and the third deflective area are (−3, 0, +3), and the deflective powers of the first sub-deflective area, the second sub-deflective area and the third sub-deflective area are (−1, 0, +1).

A display device, comprising:

• a projection lens configured to provide an original image;
• a Fresnel lens;
• an angle magnifying screen;
• a vertical diffuser;
• a first micro-deflector;
• and
• a second micro-deflector provided between the first micro-deflector and the angle magnifying screen,
• wherein the first micro-deflector is provided between the Fresnel lens and the angle magnifying screen, and the angle magnifying screen is provided between the first micro-deflector and the vertical diffuser,
• wherein the first micro-deflector is configured to redirect the original image into a first perspective image and a second perspective image, and wherein a perspective direction of the first perspective image differs from a perspective direction of the second perspective image,
• wherein the first micro-deflector comprises a first deflective area configured to redirect the original image into the first perspective image;
• and a second deflective area configured to redirect the original image into the second perspective image,
• wherein the second micro-deflector is configured to redirect the first perspective image into a first sub-perspective image and a second sub-perspective image;
• and redirect the second perspective image into a third sub-perspective image and a fourth sub-perspective image, and wherein perspective directions of the first, second, third and fourth sub-perspective images differ from each other,
• wherein the second micro-deflector comprises a first sub-deflective area and a second sub-deflective area configured to redirect the first perspective image into the first sub-perspective image and the second sub-perspective image;
• and redirect the second perspective image into the third sub-perspective image and the fourth sub-perspective image,
• wherein the second deflector further comprises a third sub-deflective area and a fourth sub-deflective area, and the first deflective area and the second deflective area extend along a first direction, and the first, second, third and fourth sub-deflective areas extend along a second direction, and an included angle between the first direction and the second direction is 45 degrees, and
• wherein using the following equation to determine a deflective power:
• sin φo=n*sin θ2√{square root over (1−[sin(θ2−φi)/n]2−)}cos θ2*sin(θ2−φi)
• sin φo=n*sin θ1√{square root over (1−[sin(θ1+φi)/n]2−)}cos θ1*sin(θ1+φi)
• the deflective powers of the first deflective area and the second deflective area are (−4, +4), and the deflective powers of the first sub-deflective area, the second sub-deflective area, the third sub-deflective area and the fourth sub-deflective area are (−3, −1, +1, +3).

A display device, comprising:

• a projection lens configured to provide an original image;
• a first micro-deflector configured to receive the original image and redirect into a first perspective image and a second perspective image, wherein the first perspective image and the second perspective image comprise different perspective directions;
• and
• a second micro-deflector configured to receive the first perspective image and redirect into a first sub-perspective image and a second sub-perspective image, the second micro-deflector further configured to receive the second perspective image and redirect into a third sub-perspective image and a fourth sub-perspective image, wherein the first, second, third and fourth sub-perspective images comprise different perspective directions,
• wherein the first micro-deflector comprises a first deflective area configured to receive the original image and redirect into the first perspective image;
• and a second deflective area configured to receive the original image and redirect into the second perspective image, and wherein the second micro-deflector comprises a first sub-deflective area configured to receive the first perspective image and redirect into the first sub-perspective image and the second sub-perspective image, and a second sub-deflective area configured to receive the second perspective image and redirect into the third sub-perspective image and the fourth sub-perspective image, and
• wherein using the following equation to determine a deflective power:
• sin φo=n*sin θ2√{square root over (1−[sin(θ2−φi)/n]2−)}cos θ2*sin(θ2−φi)
• sin φo=n*sin θ1√{square root over (1−[sin(θ1+φi)/n]2−)}cos θ1*sin(θ1+φi)
• the deflective powers of the first deflective area and the second deflective area are (−2, +2), and the deflective powers of the first sub-deflective area and the second sub-deflective area are (−1, +1).

A display device, comprising:

• a projection lens configured to provide an original image;
• a first micro-deflector configured to receive the original image and redirect into a first perspective image and a second perspective image, wherein the first perspective image and the second perspective image comprise different perspective directions;
• and
• a second micro-deflector configured to receive the first perspective image and redirect into a first sub-perspective image and a second sub-perspective image, the second micro-deflector further configured to receive the second perspective image and redirect into a third sub-perspective image and a fourth sub-perspective image, wherein the first, second, third and fourth sub-perspective images comprise different perspective directions,
• wherein the first micro-deflector comprises a first deflective area configured to receive the original image and redirect into the first perspective image;
• and a second deflective area configured to receive the original image and redirect into the second perspective image, and wherein the second micro-deflector comprises a first sub-deflective area configured to receive the first perspective image and redirect into the first sub-perspective image and the second sub-perspective image, and a second sub-deflective area configured to receive the second perspective image and redirect into the third sub-perspective image and the fourth sub-perspective image,
• wherein the first deflector further comprises a third deflective area, and the second deflector further comprises a third sub-deflective area, and wherein the first, second and third deflective areas extend along a first direction, and the first, second and third sub-deflective areas extend along a second direction, and wherein an included angle between the first direction and the second direction is 45 degrees, and
• wherein using the following equation to determine a deflective power:
• sin φo=n*sin θ2√{square root over (1−[sin(θ2−φi)/n]2−)}cos θ2*sin(θ2−φi)
• sin φo=n*sin θ1√{square root over (1−[sin(θ1+φi)/n]2−)}cos θ1*sin(θ1+φi)
• the deflective powers of the first deflective area, the second deflective area and the third deflective area are (−3, 0, +3), and the deflective powers of the first sub-deflective area, the second sub-deflective area and the third sub-deflective area are (−1, 0, +1).

A display device, comprising:

• a projection lens configured to provide an original image;
• a first micro-deflector configured to receive the original image and redirect into a first perspective image and a second perspective image, wherein the first perspective image and the second perspective image comprise different perspective directions;
• and
• a second micro-deflector configured to receive the first perspective image and redirect into a first sub-perspective image and a second sub-perspective image, the second micro-deflector further configured to receive the second perspective image and redirect into a third sub-perspective image and a fourth sub-perspective image, wherein the first, second, third and fourth sub-perspective images comprise different perspective directions,
• wherein the first micro-deflector comprises a first deflective area configured to receive the original image and redirect into the first perspective image;
• and a second deflective area configured to receive the original image and redirect into the second perspective image, and wherein the second micro-deflector comprises a first sub-deflective area configured to receive the first perspective image and redirect into the first sub-perspective image and the second sub-perspective image, and a second sub-deflective area configured to receive the second perspective image and redirect into the third sub-perspective image and the fourth sub-perspective image,
• wherein the second deflector further comprises a third sub-deflective area and a fourth sub-deflective area, and the first deflective area and the second deflective area extend along a first direction, and the first, second, third and fourth sub-deflective areas extend along a second direction, and an included angle between the first direction and the second direction is 45 degrees, and
• wherein using the following equation to determine a deflective power:
• sin φo=n*sin θ2√{square root over (1−[sin(θ2−φi)/n]2−)}cos θ2*sin(θ2−φi)
• sin φo=n*sin θ1√{square root over (1−[sin(θ1+φi)/n]2−)}cos θ1*sin(θ1+φi)
• the deflective powers of the first deflective area and the second deflective area are (−4, +4), and the deflective powers of the first sub-deflective area, the second sub-deflective area, the third sub-deflective area and the fourth sub-deflective area are (−3, −1, +1, +3).