CN209707829U - A kind of 3D display device - Google Patents
A kind of 3D display device Download PDFInfo
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- CN209707829U CN209707829U CN201920793642.XU CN201920793642U CN209707829U CN 209707829 U CN209707829 U CN 209707829U CN 201920793642 U CN201920793642 U CN 201920793642U CN 209707829 U CN209707829 U CN 209707829U
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- 230000010287 polarization Effects 0.000 claims abstract description 32
- 239000011521 glass Substances 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims description 24
- 238000003491 array Methods 0.000 claims description 8
- 238000009877 rendering Methods 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005286 illumination Methods 0.000 abstract 2
- 239000011159 matrix material Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model discloses a kind of 3D display device, including backlight, compound pinhole array, polarization grating, display screen, polarising glass I and polarising glass II；By the light illumination micro- pattern matrix I of son of multiple groups light transmission pin hole, multiple 3D rendering I are reconstructed, and be merged into a high-resolution 3D rendering I in viewing areas, and can only see by polarising glass I；By the light illumination micro- pattern matrix II of son of multiple groups light transmission pin hole, multiple 3D rendering II are reconstructed, and be merged into a high-resolution 3D rendering II in viewing areas, and can only see by polarising glass II.
Description
Technical Field
The utility model relates to a 3D shows, more specifically says, the utility model relates to a 3D display device.
Background
The one-dimensional integrated imaging double-view 3D display is the fusion of a double-view display technology and a one-dimensional integrated imaging 3D display technology. It may enable the viewer to see different 3D pictures in different viewing directions. However, the existing one-dimensional integrated imaging dual-view 3D display has a bottleneck problem of insufficient 3D resolution, which seriously affects the experience of viewers.
Disclosure of Invention
The utility model provides a 3D display device, as shown in figure 1, which is characterized in that the device comprises a backlight source, a composite pinhole array, a polarization grating, a display screen, a pair of polarization glasses I and a pair of polarization glasses II; the composite pinhole array is attached to the backlight source, and the polarization grating is attached to the display screen; the composite pinhole array is positioned between the backlight source and the polarization grating, and the polaroid is positioned between the display screen and the composite pinhole array; the composite pinhole array comprises a plurality of groups of light-transmitting pinhole arrays, as shown in figure 2; the display screen is used for displaying the micro-image array, the micro-image array is composed of a sub-micro-image array I and a sub-micro-image array II, the sub-micro-image array I is composed of image elements I and is positioned on the left half part of the micro-image array, the sub-micro-image array II is composed of image elements II and is positioned on the right half part of the micro-image array, and the display screen is shown in the attached figure 3; the polaroid consists of a sub-polaroid I and a sub-polaroid II, wherein the polarization directions of the sub-polaroid I and the sub-polaroid II are orthogonal, and are shown in the attached figure 4; the polarization direction of the polarization glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarization glasses II is the same as that of the sub-polaroid II; the sub micro image array I is correspondingly aligned with the sub polarizer I, and the sub micro image array II is correspondingly aligned with the sub polarizer II, as shown in FIG. 5; the pitch of the light-transmitting pinholes, the pitch of the image element I and the pitch of the image element II are equal; the number of the light-transmitting pinholes in each group of light-transmitting pinhole arrays is equal to the number of the image elements in the micro-image array; the distance between two adjacent groups of light-transmitting pinholes is the same; a plurality of light-transmitting pinholes corresponding to the same image element I are symmetrical by taking the center of the image element I as a center; a plurality of light-transmitting pinholes corresponding to the same image element II are symmetrical by taking the center of the image element II as a center; a plurality of 3D images I are reconstructed by illuminating the sub-microimage array I through light rays of a plurality of groups of light-transmitting pinholes, and are combined into a high-resolution 3D image I in a viewing area, and the high-resolution 3D image I can be seen only through polarized glasses I; and the light rays passing through the multiple groups of light-transmitting pinholes illuminate the sub-microimage array II to reconstruct a plurality of 3D images II, and the 3D images II are combined into a high-resolution 3D image II in a viewing area and can only be seen through the polarized glasses II.
Preferably, the thickness of the composite pinhole arraytIs composed of
（1）
Wherein,pis the pitch of the light-transmitting pinholes,vis the vertical aperture width of the light-transmitting pinhole,gis the distance between the display screen and the composite pinhole array,zis the number of groups of light-transmitting pinholes,ais the distance between two adjacent groups of light-transmitting pinholes.
Preferably, the resolution of the 3D image IR 1And resolution of 3D image IIR 2Are respectively as
（2）
（3）
Wherein,pis the pitch of the light-transmitting pinholes,M 1is the number of picture elements I in the horizontal direction of the sub-micro picture array I,N 1is the number of picture elements I in the vertical direction of the sub-micro picture array I,M 2is the number of picture elements II in the horizontal direction of the sub-micro picture array II,N 2is the number of picture elements II in the vertical direction of the sub-micro picture array II,vis the vertical aperture width of the light-transmitting pinhole,zis the number of groups of light-transmitting pinholes,ais the vertical distance between two adjacent groups of light-transmitting pinholes.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a schematic structural diagram of the composite pinhole array of the present invention
FIG. 3 is a schematic structural view of a micro-image array according to the present invention
FIG. 4 is a schematic structural diagram of the polarization grating of the present invention
FIG. 5 is a schematic diagram of the principles and parameters of the present invention
The reference numbers in the figures are:
1. the display device comprises a backlight source, 2 a composite pinhole array, 3 a polarizing plate, 4 a display screen, 5 polarizing glasses 1 and 6 polarizing glasses 2 and 7 sub polarizing plates I and 8 sub polarizing plates II and 9 sub microimage arrays I and 10 sub microimage arrays II and 11 image elements I and 12 image elements II.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
An exemplary embodiment of a 3D display device according to the present invention is described in detail below, and the present invention is further described in detail. It is necessary to point out here that the following examples are only used for further illustration of the present invention, and should not be understood as limiting the scope of the present invention, and those skilled in the art can make some non-essential improvements and modifications to the present invention according to the above-mentioned contents of the present invention, and still fall into the scope of the present invention.
The utility model provides a 3D display device, as shown in figure 1, which is characterized in that the device comprises a backlight source, a composite pinhole array, a polarization grating, a display screen, a pair of polarization glasses I and a pair of polarization glasses II; the composite pinhole array is attached to the backlight source, and the polarization grating is attached to the display screen; the composite pinhole array is positioned between the backlight source and the polarization grating, and the polaroid is positioned between the display screen and the composite pinhole array; the composite pinhole array comprises a plurality of groups of light-transmitting pinhole arrays, as shown in figure 2; the display screen is used for displaying the micro-image array, the micro-image array is composed of a sub-micro-image array I and a sub-micro-image array II, the sub-micro-image array I is composed of image elements I and is positioned on the left half part of the micro-image array, the sub-micro-image array II is composed of image elements II and is positioned on the right half part of the micro-image array, and the display screen is shown in the attached figure 3; the polaroid consists of a sub-polaroid I and a sub-polaroid II, wherein the polarization directions of the sub-polaroid I and the sub-polaroid II are orthogonal, and are shown in the attached figure 4; the polarization direction of the polarization glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarization glasses II is the same as that of the sub-polaroid II; the sub micro image array I is correspondingly aligned with the sub polarizer I, and the sub micro image array II is correspondingly aligned with the sub polarizer II, as shown in FIG. 5; the pitch of the light-transmitting pinholes, the pitch of the image element I and the pitch of the image element II are equal; the number of the light-transmitting pinholes in each group of light-transmitting pinhole arrays is equal to the number of the image elements in the micro-image array; the distance between two adjacent groups of light-transmitting pinholes is the same; a plurality of light-transmitting pinholes corresponding to the same image element I are symmetrical by taking the center of the image element I as a center; a plurality of light-transmitting pinholes corresponding to the same image element II are symmetrical by taking the center of the image element II as a center; a plurality of 3D images I are reconstructed by illuminating the sub-microimage array I through light rays of a plurality of groups of light-transmitting pinholes, and are combined into a high-resolution 3D image I in a viewing area, and the high-resolution 3D image I can be seen only through polarized glasses I; and the light rays passing through the multiple groups of light-transmitting pinholes illuminate the sub-microimage array II to reconstruct a plurality of 3D images II, and the 3D images II are combined into a high-resolution 3D image II in a viewing area and can only be seen through the polarized glasses II.
Preferably, the thickness of the composite pinhole arraytIs composed of
（1）
Wherein,pis the pitch of the light-transmitting pinholes,vis the vertical aperture width of the light-transmitting pinhole,gis the distance between the display screen and the composite pinhole array,zis the number of groups of light-transmitting pinholes,ais the distance between two adjacent groups of light-transmitting pinholes.
Preferably, the resolution of the 3D image IR 1And resolution of 3D image IIR 2Are respectively as
（2）
（3）
Wherein,pis the pitch of the light-transmitting pinholes,M 1is the number of picture elements I in the horizontal direction of the sub-micro picture array I,N 1is the number of picture elements I in the vertical direction of the sub-micro picture array I,M 2is the number of picture elements II in the horizontal direction of the sub-micro picture array II,N 2is the number of picture elements II in the vertical direction of the sub-micro picture array II,vis the vertical aperture width of the light-transmitting pinhole,zis the number of groups of light-transmitting pinholes,ais the vertical distance between two adjacent groups of light-transmitting pinholes.
The distance between the display screen and the composite pinhole array is 20mm, the number of image elements I in the horizontal direction in the sub-micro-image array I is 10, the number of image elements I in the vertical direction in the sub-micro-image array I is 10, the number of image elements II in the horizontal direction in the sub-micro-image array II is 10, the number of image elements II in the vertical direction in the sub-micro-image array II is 10, the pitch of the light-transmitting pinholes is 50mm, the horizontal aperture width of the light-transmitting pinholes is 2mm, the vertical aperture width of the light-transmitting pinholes is 1mm, the group number of the light-transmitting pinholes is 10, the vertical distance between two adjacent groups of light-transmitting pinholes is 0.02mm, the thickness of the pinhole array is 1mm calculated by the formula (1), the resolution of the 3D image I is 10 × 40 calculated by the formula (2) and the formula (3), and the resolution of the 3D image II is 10 × 40.
Claims (3)
1. A3D display device is characterized by comprising a backlight source, a composite pinhole array, a polarization grating, a display screen, polarization glasses I and polarization glasses II; the composite pinhole array is attached to the backlight source, and the polarization grating is attached to the display screen; the composite pinhole array is positioned between the backlight source and the polarization grating, and the polaroid is positioned between the display screen and the composite pinhole array; the composite pinhole array comprises a plurality of groups of light-transmitting pinhole arrays; the display screen is used for displaying the micro-image array, the micro-image array is composed of a sub-micro-image array I and a sub-micro-image array II, the sub-micro-image array I is composed of image elements I and is positioned on the left half part of the micro-image array, and the sub-micro-image array II is composed of image elements II and is positioned on the right half part of the micro-image array; the polaroid consists of a sub-polaroid I and a sub-polaroid II, and the polarization directions of the sub-polaroid I and the sub-polaroid II are orthogonal; the polarization direction of the polarization glasses I is the same as that of the sub-polaroid I, and the polarization direction of the polarization glasses II is the same as that of the sub-polaroid II; the sub micro image array I is correspondingly aligned with the sub polarizing film I, and the sub micro image array II is correspondingly aligned with the sub polarizing film II; the pitch of the light-transmitting pinholes, the pitch of the image element I and the pitch of the image element II are equal; the number of the light-transmitting pinholes in each group of light-transmitting pinhole arrays is equal to the number of the image elements in the micro-image array; the distance between two adjacent groups of light-transmitting pinholes is the same; a plurality of light-transmitting pinholes corresponding to the same image element I are symmetrical by taking the center of the image element I as a center; a plurality of light-transmitting pinholes corresponding to the same image element II are symmetrical by taking the center of the image element II as a center; a plurality of 3D images I are reconstructed by illuminating the sub-microimage array I through light rays of a plurality of groups of light-transmitting pinholes, and are combined into a high-resolution 3D image I in a viewing area, and the high-resolution 3D image I can be seen only through polarized glasses I; and the light rays passing through the multiple groups of light-transmitting pinholes illuminate the sub-microimage array II to reconstruct a plurality of 3D images II, and the 3D images II are combined into a high-resolution 3D image II in a viewing area and can only be seen through the polarized glasses II.
2. A 3D display device as claimed in claim 1, characterized in that the thickness of the composite pinhole arraytIs composed of
Wherein,pis the pitch of the light-transmitting pinholes,vis the vertical aperture width of the light-transmitting pinhole,gis the distance between the display screen and the composite pinhole array,zis the number of groups of light-transmitting pinholes,ais the distance between two adjacent groups of light-transmitting pinholes.
3. A3D display device as claimed in claim 1, characterized in that the resolution of the 3D image IR 1And resolution of 3D image IIR 2Are respectively as
Wherein,pis the pitch of the light-transmitting pinholes,M 1is the number of picture elements I in the horizontal direction of the sub-micro picture array I,N 1is the number of picture elements I in the vertical direction of the sub-micro picture array I,M 2is the number of picture elements II in the horizontal direction of the sub-micro picture array II,N 2is the number of picture elements II in the vertical direction of the sub-micro picture array II,vis the vertical aperture width of the light-transmitting pinhole,zis the number of groups of light-transmitting pinholes,ais the vertical distance between two adjacent groups of light-transmitting pinholes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920793642.XU CN209707829U (en) | 2019-05-29 | 2019-05-29 | A kind of 3D display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920793642.XU CN209707829U (en) | 2019-05-29 | 2019-05-29 | A kind of 3D display device |
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| CN209707829U true CN209707829U (en) | 2019-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485912A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-view 3D display device based on double display screens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485912A (en) * | 2021-01-11 | 2021-03-12 | 成都工业学院 | Double-view 3D display device based on double display screens |
| CN112485912B (en) * | 2021-01-11 | 2022-05-20 | 成都工业学院 | Double-view 3D display device based on double display screens |
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