CN211180440U - Double-vision 3D display device - Google Patents
Double-vision 3D display device Download PDFInfo
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- CN211180440U CN211180440U CN202020183403.5U CN202020183403U CN211180440U CN 211180440 U CN211180440 U CN 211180440U CN 202020183403 U CN202020183403 U CN 202020183403U CN 211180440 U CN211180440 U CN 211180440U
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Abstract
The utility model discloses a double-vision 3D display device, which comprises a display screen, a gradient pitch rectangular polarization array, a gradient pitch rectangular pinhole array, a pair of polarized glasses I and a pair of polarized glasses II; the horizontal pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the horizontal pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the left side and the right side; the vertical pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the vertical pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the upper side and the lower side; the number of the columns of continuous multiple rows of rectangular pinholes with the same horizontal pitch at the center of the gradient-pitch rectangular pinhole array is equal to the number of the rows of continuous multiple rows of rectangular pinholes with the same vertical pitch at the center of the gradient-pitch rectangular pinhole array.
Description
Technical Field
The utility model relates to a 3D shows, more specifically says, the utility model relates to a double vision 3D display device.
Background
The integrated imaging double-vision 3D display is the fusion of a double-vision display technology and an integrated imaging 3D display technology. It may enable the viewer to see different 3D pictures in different viewing directions. The traditional integrated imaging double-view 3D display device based on the gradual change pitch pinhole array has the following defects:
(1) the pitches of two adjacent pinholes are changed in an equal ratio relationship, so that the manufacturing difficulty and the cost are increased.
(2) The distance between two adjacent 3D pixels increases in an equal ratio relationship, which affects the uniformity of the 3D pixels.
(3) Horizontal resolution is not equal to vertical resolution, and the problem of poor viewing experience caused by low resolution is further deepened.
(4) The viewing angle is narrow.
(5) The 3D image has a problem of odd or even column pixel dropout.
Disclosure of Invention
The utility model provides a double-vision 3D display device, as shown in attached figures 1 and 2, which is characterized in that the device comprises a display screen, a gradient pitch rectangular polarization array, a gradient pitch rectangular pinhole array, a pair of polarization glasses I and a pair of polarization glasses II; the display screen is characterized in that the variable-pitch rectangular polarization array and the variable-pitch rectangular pinhole array are arranged in parallel and are correspondingly aligned; the variable-pitch rectangular polarization array is attached to the display screen and is positioned between the display screen and the variable-pitch rectangular pinhole array; the horizontal pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the horizontal pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the left side and the right side; the vertical pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the vertical pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the upper side and the lower side; in the gradually-changed pitch rectangular pinhole arrayiHorizontal pitch of rows of rectangular pinholesP i The first stepjVertical pitch of row rectangular pinholesQ j Calculated from the following formula
Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular pinholes at the center of the gradient pitch rectangular pinhole array,qis the vertical pitch of the rectangular pinholes at the center of the gradient pitch rectangular pinhole array,mis the number of rectangular pinholes in the horizontal direction in the gradually-changed pitch rectangular pinhole array,nis the number of rectangular pinholes in the vertical direction in the rectangular pinhole array with gradually changed pitches,ais the number of continuous multi-column rectangular pinholes which are positioned at the center of the gradient-pitch rectangular pinhole array and have the same horizontal pitch,bis the number of the continuous rows of rectangular pinholes which are positioned at the center of the gradient pitch rectangular pinhole array and have the same vertical pitch,lis the viewing distance, the distance between the viewer,gthe distance between the display screen and the rectangular pinhole array with gradually changed pitch is shown; as shown in fig. 3, the gradient-pitch rectangular polarization array is formed by alternately arranging a rectangular polarization unit I and a rectangular polarization unit II in the horizontal and vertical directions, wherein the polarization direction of the rectangular polarization unit I is orthogonal to the polarization direction of the rectangular polarization unit II; the horizontal pitch and the vertical pitch of the rectangular polarization unit I are respectively equal to those of the corresponding rectangular pinhole; the horizontal pitch and the vertical pitch of the rectangular polarization unit II are respectively equal to the horizontal pitch and the vertical pitch of the corresponding rectangular pinhole; the polarization direction of the polarization glasses I is the same as that of the rectangular polarization unit I, and the polarization direction of the polarization glasses II is the same as that of the rectangular polarization unit II; the display screen is used for displaying the gradient pitch rectangular micro-image array; as shown in fig. 4, the gradient pitch rectangular micro-image array is composed of rectangular image elements I and rectangular image elements II arranged alternately in the horizontal and vertical directions; the rectangular image elements I are correspondingly aligned with the rectangular polarization units I, and the horizontal pitch and the vertical pitch of the rectangular image elements I are respectively equal to the horizontal pitch and the vertical pitch of the rectangular polarization units I corresponding to the rectangular image elements I; the rectangular image element II is correspondingly aligned with the rectangular polarization unit II, and the horizontal pitch and the vertical pitch of the rectangular image element II are respectively equal to the horizontal pitch and the vertical pitch of the rectangular polarization unit II corresponding to the rectangular image element II; the rectangular image element I reconstructs a 3D image I through the rectangular polarization unit I and the rectangular pinhole corresponding to the rectangular image element I, and the 3D image I can only be seen through the polarized glasses I; the rectangular image element II reconstructs a 3D image II through the corresponding rectangular polarization unit II and the rectangular pinhole, and the 3D image II can only be seen through the polarization glasses II.
Preferably, the number of columns of continuous multiple rows of rectangular pinholes which are positioned at the center of the gradient-pitch rectangular pinhole array and have the same horizontal pitch is equal to the number of rows of continuous multiple rows of rectangular pinholes which are positioned at the center of the gradient-pitch rectangular pinhole array and have the same vertical pitch.
Preferably, the horizontal widths of the display screen, the gradient pitch rectangular polarization array and the gradient pitch rectangular pinhole array are the same, and the vertical widths of the display screen, the gradient pitch rectangular polarization array and the gradient pitch rectangular pinhole array are the same.
Preferably, the ratio of the vertical pitch to the horizontal pitch of the rectangular pinholes in the center of the gradient pitch rectangular pinhole array is equal to the ratio of the vertical width to the horizontal width of the gradient pitch rectangular pinhole array.
Preferably, the number of rectangular pinholes in the horizontal direction and the number of rectangular pinholes in the vertical direction of the gradient-pitch rectangular pinhole array are both even numbers; the horizontal resolution and the vertical resolution of the 3D image I and the 3D image II are respectively equal; horizontal resolution of each 3D imageR 1Vertical resolutionR 2Respectively as follows:
wherein the content of the first and second substances,mis the number of rectangular pinholes in the horizontal direction in the gradual change pitch rectangular pinhole array.
Preferably, the ratio of the vertical aperture width to the horizontal aperture width of the rectangular pinhole is equal to the ratio of the vertical width to the horizontal width of the gradual-pitch rectangular pinhole array.
Preferably, the horizontal viewing angle and the vertical viewing angle of the 3D image I and the 3D image II are respectively equal; horizontal viewing perspective of each 3D imageθ 1Vertical viewing angleθ 2Respectively as follows:
wherein the content of the first and second substances,P 1is the horizontal pitch of the first column of rectangular pinholes of the gradually-changed pitch rectangular pinhole array,wis the horizontal aperture width of the rectangular pinhole,mis the number of rectangular pinholes in the horizontal direction in the gradually-changed pitch rectangular pinhole array,cis the ratio of the vertical width to the horizontal width of the gradual pitch rectangular pinhole array,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the gradually-changed pitch rectangular pinhole array.
Drawings
FIG. 1 is a schematic diagram of the structure and horizontal direction parameters of the present invention
FIG. 2 is a schematic diagram of the structure and vertical parameters of the present invention
FIG. 3 is a schematic structural diagram of a rectangular polarization array with gradually varied pitches according to the present invention
FIG. 4 is a schematic structural diagram of a gradient pitch rectangular micro-image array according to the present invention
The reference numbers in the figures are:
1. the display device comprises a display screen, 2, a gradient pitch rectangular polarization array, 3, a gradient pitch rectangular pinhole array, 4, polarized glasses I, 5, polarized glasses II, 6, a rectangular polarization unit I, 7, a rectangular polarization unit II, 8, a rectangular image element I, 9 and a rectangular image element II.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
The following describes an exemplary embodiment of a dual-view 3D display device in detail, and further details the present invention. 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 double-vision 3D display device, as shown in attached figures 1 and 2, which is characterized in that the device comprises a display screen, a gradient pitch rectangular polarization array, a gradient pitch rectangular pinhole array, a pair of polarization glasses I and a pair of polarization glasses II; the display screen is characterized in that the variable-pitch rectangular polarization array and the variable-pitch rectangular pinhole array are arranged in parallel and are correspondingly aligned; the variable-pitch rectangular polarization array is attached to the display screen and is positioned between the display screen and the variable-pitch rectangular pinhole array; the horizontal pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the horizontal pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the left side and the right side; the vertical pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the vertical pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the upper side and the lower side; in the gradually-changed pitch rectangular pinhole arrayiHorizontal pitch of rows of rectangular pinholesP i The first stepjVertical pitch of row rectangular pinholesQ j Calculated from the following formula
Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular pinholes at the center of the gradient pitch rectangular pinhole array,qis the vertical pitch of the rectangular pinholes at the center of the gradient pitch rectangular pinhole array,mis the number of rectangular pinholes in the horizontal direction in the gradually-changed pitch rectangular pinhole array,nis the number of rectangular pinholes in the vertical direction in the rectangular pinhole array with gradually changed pitches,ais the number of continuous multi-column rectangular pinholes which are positioned at the center of the gradient-pitch rectangular pinhole array and have the same horizontal pitch,bis the number of the continuous rows of rectangular pinholes which are positioned at the center of the gradient pitch rectangular pinhole array and have the same vertical pitch,lis the viewing distance, the distance between the viewer,gis a display screen and a gradually-changed pitch rectangular pinholeThe pitch of the array; as shown in fig. 3, the gradient-pitch rectangular polarization array is formed by alternately arranging a rectangular polarization unit I and a rectangular polarization unit II in the horizontal and vertical directions, wherein the polarization direction of the rectangular polarization unit I is orthogonal to the polarization direction of the rectangular polarization unit II; the horizontal pitch and the vertical pitch of the rectangular polarization unit I are respectively equal to those of the corresponding rectangular pinhole; the horizontal pitch and the vertical pitch of the rectangular polarization unit II are respectively equal to the horizontal pitch and the vertical pitch of the corresponding rectangular pinhole; the polarization direction of the polarization glasses I is the same as that of the rectangular polarization unit I, and the polarization direction of the polarization glasses II is the same as that of the rectangular polarization unit II; the display screen is used for displaying the gradient pitch rectangular micro-image array; as shown in fig. 4, the gradient pitch rectangular micro-image array is composed of rectangular image elements I and rectangular image elements II arranged alternately in the horizontal and vertical directions; the rectangular image elements I are correspondingly aligned with the rectangular polarization units I, and the horizontal pitch and the vertical pitch of the rectangular image elements I are respectively equal to the horizontal pitch and the vertical pitch of the rectangular polarization units I corresponding to the rectangular image elements I; the rectangular image element II is correspondingly aligned with the rectangular polarization unit II, and the horizontal pitch and the vertical pitch of the rectangular image element II are respectively equal to the horizontal pitch and the vertical pitch of the rectangular polarization unit II corresponding to the rectangular image element II; the rectangular image element I reconstructs a 3D image I through the rectangular polarization unit I and the rectangular pinhole corresponding to the rectangular image element I, and the 3D image I can only be seen through the polarized glasses I; the rectangular image element II reconstructs a 3D image II through the corresponding rectangular polarization unit II and the rectangular pinhole, and the 3D image II can only be seen through the polarization glasses II.
Preferably, the number of columns of continuous multiple rows of rectangular pinholes which are positioned at the center of the gradient-pitch rectangular pinhole array and have the same horizontal pitch is equal to the number of rows of continuous multiple rows of rectangular pinholes which are positioned at the center of the gradient-pitch rectangular pinhole array and have the same vertical pitch.
Preferably, the horizontal widths of the display screen, the gradient pitch rectangular polarization array and the gradient pitch rectangular pinhole array are the same, and the vertical widths of the display screen, the gradient pitch rectangular polarization array and the gradient pitch rectangular pinhole array are the same.
Preferably, the ratio of the vertical pitch to the horizontal pitch of the rectangular pinholes in the center of the gradient pitch rectangular pinhole array is equal to the ratio of the vertical width to the horizontal width of the gradient pitch rectangular pinhole array.
Preferably, the number of rectangular pinholes in the horizontal direction and the number of rectangular pinholes in the vertical direction of the gradient-pitch rectangular pinhole array are both even numbers; the horizontal resolution and the vertical resolution of the 3D image I and the 3D image II are respectively equal; horizontal resolution of each 3D imageR 1Vertical resolutionR 2Respectively as follows:
wherein the content of the first and second substances,mis the number of rectangular pinholes in the horizontal direction in the gradual change pitch rectangular pinhole array.
Preferably, the ratio of the vertical aperture width to the horizontal aperture width of the rectangular pinhole is equal to the ratio of the vertical width to the horizontal width of the gradual-pitch rectangular pinhole array.
Preferably, the horizontal viewing angle and the vertical viewing angle of the 3D image I and the 3D image II are respectively equal; horizontal viewing perspective of each 3D imageθ 1Vertical viewing angleθ 2Respectively as follows:
wherein the content of the first and second substances,P 1is the horizontal pitch of the first column of rectangular pinholes of the gradually-changed pitch rectangular pinhole array,wis the horizontal aperture width of the rectangular pinhole,mis the number of rectangular pinholes in the horizontal direction in the gradually-changed pitch rectangular pinhole array,cis a vertical of a gradually-changed pitch rectangular pinhole arrayThe ratio of the width to the horizontal width,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the gradually-changed pitch rectangular pinhole array.
The horizontal pitch of the rectangular pinhole at the center of the gradually-changed pitch rectangular pinhole array isp=10mm, the vertical pitch of the rectangular pinholes at the center of the gradient pitch rectangular pinhole array isq=6mm, the number of rectangular pinholes in the horizontal direction in the gradient pitch rectangular pinhole array ism=50, number of rectangular pinholes in vertical direction in gradient pitch rectangular pinhole arrayn=50, the number of the continuous rows of rectangular pinholes which are positioned at the center of the gradient pitch rectangular pinhole array and have the same horizontal pitch isa=10, the number of lines of continuous multi-line rectangular pinholes with same vertical pitch positioned at the center of the gradient pitch rectangular pinhole array isb=10, viewing distance ofl=4010mm, the distance between the display screen and the rectangular pinhole array with gradually changed pitch isg=10mm, the ratio of the vertical width to the horizontal width of the rectangular pinhole array with gradually changed pitch isc=0.6, horizontal aperture width of rectangular pinhole isw=2mm, the width of the vertical aperture of the rectangular pinhole isv=1.2 mm. The horizontal pitches of the 1 st to 50 th rows of rectangular pinhole arrays in the gradual-change pitch rectangular pinhole array are respectively 11mm, 10.5mm, 10mm, 10.5mm, 11 mm; the vertical pitches of the 1 st to 50 th rows of rectangular pinhole arrays in the gradual-change pitch rectangular pinhole array are respectively 6.6mm, 6.3mm, 6mm, 6.3mm, 6.6mm, 6.6.6 mm, 6.6; according to the formula (3),(4) The (5) and (6) result in that the horizontal resolution, the vertical resolution, the horizontal viewing angle and the vertical viewing angle of the 3D image I and the 3D image II are 25 °, 60 ° and 38 °, respectively. The pixels in each row and each column in the 3D image I are 25, and the pixels in each row and each column in the 3D image II are 25.
Claims (7)
1. A double-view 3D display device is characterized by comprising a display screen, a gradient pitch rectangular polarization array, a gradient pitch rectangular pinhole array, a pair of polarized glasses I and a pair of polarized glasses II, wherein the display screen is provided with a plurality of display screens; the display screen is characterized in that the variable-pitch rectangular polarization array and the variable-pitch rectangular pinhole array are arranged in parallel and are correspondingly aligned; the variable-pitch rectangular polarization array is attached to the display screen and is positioned between the display screen and the variable-pitch rectangular pinhole array; the horizontal pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the horizontal pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the left side and the right side; the vertical pitches of continuous rows of rectangular pinholes in the center of the variable-pitch rectangular pinhole array are the same, and the vertical pitches of the variable-pitch rectangular pinhole array are gradually increased from the center to the upper side and the lower side; in the gradually-changed pitch rectangular pinhole arrayiHorizontal pitch of rows of rectangular pinholesP i The first stepjVertical pitch of row rectangular pinholesQ j Calculated from the following formula
Wherein the content of the first and second substances,pis the horizontal pitch of the rectangular pinholes at the center of the gradient pitch rectangular pinhole array,qis the vertical pitch of the rectangular pinholes at the center of the gradient pitch rectangular pinhole array,mis the number of rectangular pinholes in the horizontal direction in the gradually-changed pitch rectangular pinhole array,nis the number of rectangular pinholes in the vertical direction in the rectangular pinhole array with gradually changed pitches,ais the number of continuous multi-column rectangular pinholes which are positioned at the center of the gradient-pitch rectangular pinhole array and have the same horizontal pitch,bis the number of the continuous rows of rectangular pinholes which are positioned at the center of the gradient pitch rectangular pinhole array and have the same vertical pitch,lis the viewing distance, the distance between the viewer,gthe distance between the display screen and the rectangular pinhole array with gradually changed pitch is shown; the variable-pitch rectangular polarization array is formed by alternately arranging a rectangular polarization unit I and a rectangular polarization unit II in the horizontal direction and the vertical direction, and the polarization direction of the rectangular polarization unit I is orthogonal to that of the rectangular polarization unit II; the horizontal pitch and the vertical pitch of the rectangular polarization unit I are respectively equal to those of the corresponding rectangular pinhole; the horizontal pitch and the vertical pitch of the rectangular polarization unit II are respectively equal to the horizontal pitch and the vertical pitch of the corresponding rectangular pinhole; the polarization direction of the polarization glasses I is the same as that of the rectangular polarization unit I, and the polarization direction of the polarization glasses II is the same as that of the rectangular polarization unit II; the display screen is used for displaying the gradient pitch rectangular micro-image array; the variable-pitch rectangular micro-image array is formed by alternately arranging rectangular image elements I and rectangular image elements II in the horizontal direction and the vertical direction; the rectangular image elements I are correspondingly aligned with the rectangular polarization units I, and the horizontal pitch and the vertical pitch of the rectangular image elements I are respectively equal to the horizontal pitch and the vertical pitch of the rectangular polarization units I corresponding to the rectangular image elements I; the rectangular image element II is correspondingly aligned with the rectangular polarization unit II, and the horizontal pitch and the vertical pitch of the rectangular image element II are respectively equal to the horizontal pitch and the vertical pitch of the rectangular polarization unit II corresponding to the rectangular image element II; the rectangular image element I reconstructs a 3D image I through the rectangular polarization unit I and the rectangular pinhole corresponding to the rectangular image element I, and the 3D image I can only be seen through the polarized glasses I; the rectangular image element II reconstructs a 3D image II through the corresponding rectangular polarization unit II and the rectangular pinhole, and the 3D image II can only be seen through the polarization glasses II.
2. The dual-view 3D display device according to claim 1, wherein the number of columns of consecutive rows of rectangular pinholes with the same horizontal pitch at the center of the gradient pitch rectangular pinhole array is equal to the number of rows of consecutive rows of rectangular pinholes with the same vertical pitch at the center of the gradient pitch rectangular pinhole array.
3. The dual-view 3D display device according to claim 2, wherein the horizontal widths of the display screen, the gradient pitch rectangular polarization array and the gradient pitch rectangular pinhole array are the same, and the vertical widths of the display screen, the gradient pitch rectangular polarization array and the gradient pitch rectangular pinhole array are the same.
4. A dual view 3D display device according to claim 3, wherein the ratio of the vertical pitch to the horizontal pitch of the rectangular pinholes at the centre of the gradient pitch rectangular pinhole array is equal to the ratio of the vertical width to the horizontal width of the gradient pitch rectangular pinhole array.
5. The dual-view 3D display device according to claim 4, wherein the number of rectangular pinholes in the horizontal direction and the number of rectangular pinholes in the vertical direction of the gradient-pitch rectangular pinhole array are both even; the horizontal resolution and the vertical resolution of the 3D image I and the 3D image II are respectively equal; horizontal resolution of each 3D imageR 1Vertical resolutionR 2Respectively as follows:
wherein the content of the first and second substances,mis the number of rectangular pinholes in the horizontal direction in the gradual change pitch rectangular pinhole array.
6. The dual view 3D display device of claim 4, wherein a ratio of a vertical aperture width to a horizontal aperture width of the rectangular pinholes is equal to a ratio of a vertical width to a horizontal width of the graded pitch rectangular pinhole array.
7. The dual-view 3D display device as claimed in claim 6, wherein the horizontal viewing angle and the vertical viewing angle of the 3D image I and the 3D image II are respectively equal; horizontal viewing perspective of each 3D imageθ 1Vertical viewing angleθ 2Respectively as follows:
wherein the content of the first and second substances,P 1is the horizontal pitch of the first column of rectangular pinholes of the gradually-changed pitch rectangular pinhole array,wis the horizontal aperture width of the rectangular pinhole,mis the number of rectangular pinholes in the horizontal direction in the gradually-changed pitch rectangular pinhole array,cis the ratio of the vertical width to the horizontal width of the gradual pitch rectangular pinhole array,lis the viewing distance, the distance between the viewer,gis the distance between the display screen and the gradually-changed pitch rectangular pinhole array.
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