CN108776387A - The double vision 3D display device and method of non-uniform resolution and uniform visual angle - Google Patents

Abstract

The invention discloses the double vision 3D display device and methods of non-uniform resolution and uniform visual angle, including display screen, polarization arrays, rectangle pinhole array, polarising glass 1, polarising glass 2, polarization unit 1 and polarization unit 2 are alternately arranged in the horizontal and vertical directions, and image primitive 1 and image primitive 2 are corresponding with polarization unit 1 and polarization unit 2 respectively and be aligned, under the premise of not increasing 3D rendering resolution ratio, so that the resolution ratio of 3D rendering is more uniform, display effect is improved；Without mobile viewing location, switch different 3D renderings by wearing different polarising glasses；The rationally horizontal aperture and vertical aperture width of setting rectangle pin hole so that the horizontal viewing visual angle of 3D rendering 1 and 3D rendering 2 is equal to vertical viewing visual angle.

Description

Dual-view 3D display device and method with uniform resolution and uniform viewing angle

technical field

The present invention relates to dual-view 3D display, more specifically, the present invention relates to a dual-view 3D display device and method with uniform resolution and uniform viewing angle.

Background technique

Integrated imaging dual-view 3D display is the fusion of dual-view display technology and integrated imaging 3D display technology. It can make viewers see different 3D images in different viewing directions. However, there are three obvious shortcomings in the existing integrated imaging dual-view 3D display: 1. The two 3D viewing areas are separated, and the viewer needs to move the viewing position to see another 3D picture; 2. The resolution is not uniform; 3. The viewing angle is uneven. Therefore, the application of integrated imaging dual-view 3D display in home entertainment equipment and medical equipment is limited.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, and provide a dual-view 3D display device and method with uniform resolution and uniform viewing angle. The display device based on this display method can simultaneously provide resolution in the same viewing area. and two different 3D images with uniform viewing angles.

In order to realize the above-mentioned purpose of the invention, the present invention provides the following technical solutions:

The dual-view 3D display device with uniform resolution and uniform viewing angle is characterized in that it includes a display screen, a polarized array, a rectangular pinhole array, polarized glasses 1, and polarized glasses 2, as shown in accompanying drawings 1 and 2; The rectangular pinhole array is composed of a plurality of rectangular pinholes with the same parameters arranged at intervals in the horizontal and vertical directions, and the horizontal aperture width of the rectangular pinholes is not equal to the vertical aperture width; the polarization array is composed of a polarization unit 1 and a polarization unit 2 Alternately arranged in the horizontal and vertical directions, the polarization direction of the polarization unit 1 and the polarization unit 2 are orthogonal, and the polarization directions of the adjacent polarization units in the horizontal and vertical directions in the polarization array are orthogonal, as shown in the attached As shown in Fig. 3; the polarization direction of the polarized glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarized glasses 2 is the same as that of the polarization unit 2;

The display screen is used to display a micro-image array, and the micro-image array is composed of image elements 1 and image elements 2 arranged alternately in the horizontal and vertical directions, as shown in Figure 4; the image element 1 passes through the 3D scene 1 Acquisition, the image unit 2 is acquired through the 3D scene 2; the image unit 1 and the image unit 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively.

Preferably, the centers of the display screen, the polarizing array and the rectangular pinhole array correspond to and are aligned;

Preferably, the polarizing array is in close contact with the rectangular pinhole array.

Preferably, the pitch of the picture elements 1, the pitch of the picture elements 2, the pitch of the polarizing unit 1, the pitch of the polarizing unit 2, and the pitch of the rectangular pinholes are all the same.

Preferably, both the micro-image array and the rectangular pinhole array comprise m × n units, wherein there are m units in the horizontal direction and n units in the vertical direction, and the pitch of the rectangular pinholes is p , The viewing distance is l , the distance between the display screen and the rectangular pinhole array is g , and the horizontal aperture width of the rectangular pinholes is h , then the vertical aperture width v of the rectangular pinholes is calculated by the following formula:

The horizontal viewing angle θ ₁ and the vertical viewing angle θ ₂ of each 3D image are calculated by the following formula:

.

A dual-view 3D display method with uniform resolution and uniform viewing angle, including:

Polarization units 1 and 2 with orthogonal polarization directions are arranged alternately in the horizontal and vertical directions, and the polarization directions of adjacent polarization units in the horizontal and vertical directions in the polarization array are orthogonal,

The image unit 1 and the image unit 2 acquired through the 3D scene 1 and the 3D scene 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively;

The polarizing unit 1 modulates the light emitted by the image element 1 into polarized light, and the polarized light reconstructs a 3D image 1 through the rectangular pinhole corresponding to the image element 1, and can only be seen through the polarized glasses 1;

The polarizing unit 2 modulates the light emitted by the image element 2 into polarized light, and the polarized light reconstructs a 3D image 2 through the rectangular pinhole corresponding to the image element 2, and can only be seen through the polarized glasses 2;

The horizontal aperture width and the vertical aperture width of the rectangular pinholes are reasonably set so that the horizontal viewing angles of the 3D image 1 and the 3D image 2 are equal to the vertical viewing angles.

Compared with prior art, the beneficial effect of the present invention:

1. The polarization unit 1 and the polarization unit 2 in the present invention are arranged alternately in the horizontal and vertical directions, and the image element 1 and the image element 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively, without increasing the resolution of the 3D image Under the premise of the premise, the resolution of the 3D image is more uniform and the display effect is improved;

2. Further, without moving the viewing position, different 3D images can be switched by wearing different polarized glasses;

3. Further, the horizontal aperture width and the vertical aperture width of the rectangular pinholes are reasonably set so that the horizontal viewing angles of the 3D image 1 and the 3D image 2 are equal to the vertical viewing angles.

Description of drawings

Accompanying drawing 1 is the structural diagram and the horizontal viewing perspective diagram of the dual-view 3D display of the present invention

Accompanying drawing 2 is the structural diagram and the vertical viewing perspective diagram of the dual-view 3D display of the present invention

Accompanying drawing 3 is the arrangement schematic diagram of the polarization array of the present invention

Accompanying drawing 4 is the arrangement schematic diagram of the micro image array of the present invention

The pictorial labels in the above-mentioned accompanying drawings are:

1 Display, 2 Polarization Array, 3 Rectangular Pinhole Array, 4 Polarization Glasses 1, 5 Polarization Glasses 2, 6 Polarization Unit 1, 7 Polarization Unit 2, 8 Micro Image Array, 9 Image Element 1, 10 Image Element 2, 11 3D image 1, 12 3D image 2.

Detailed ways

The following describes in detail the present invention using a typical embodiment of an integrated imaging dual-view 3D display device and method according to the present invention. It is necessary to point out that the following examples are only used for further description of the present invention, and cannot be interpreted as limiting the protection scope of the present invention, and those skilled in the art make some non-essential improvements to the present invention according to the above-mentioned content of the present invention And adjustments still belong to the protection scope of the present invention.

The dual-view 3D display device with uniform resolution and uniform viewing angle is characterized in that it includes a display screen, a polarized array, a rectangular pinhole array, polarized glasses 1, and polarized glasses 2, as shown in accompanying drawings 1 and 2; The rectangular pinhole array is composed of a plurality of rectangular pinholes with the same parameters arranged at intervals in the horizontal and vertical directions, and the horizontal aperture width of the rectangular pinholes is not equal to the vertical aperture width; the polarization array is composed of a polarization unit 1 and a polarization unit 2 Alternately arranged in the horizontal and vertical directions, the polarization direction of the polarization unit 1 and the polarization unit 2 are orthogonal, and the polarization directions of the adjacent polarization units in the horizontal and vertical directions in the polarization array are orthogonal, as shown in the attached As shown in Figure 3; the polarization direction of the polarized glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarized glasses 2 is the same as that of the polarization unit 2;

The display screen is used to display a micro-image array, and the micro-image array is composed of image elements 1 and image elements 2 arranged alternately in the horizontal and vertical directions, as shown in Figure 4; the image element 1 passes through the 3D scene 1 Acquisition, the image unit 2 is acquired through the 3D scene 2; the image unit 1 and the image unit 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively.

Preferably, the centers of the display screen, the polarizing array and the rectangular pinhole array correspond to and are aligned;

Preferably, the polarizing array is in close contact with the rectangular pinhole array.

Preferably, the pitch of the picture elements 1, the pitch of the picture elements 2, the pitch of the polarizing unit 1, the pitch of the polarizing unit 2, and the pitch of the rectangular pinholes are all the same.

Preferably, both the micro-image array and the rectangular pinhole array comprise m × n units, wherein there are m units in the horizontal direction and n units in the vertical direction, and the pitch of the rectangular pinholes is p , The viewing distance is l , the distance between the display screen and the rectangular pinhole array is g , and the horizontal aperture width of the rectangular pinholes is h , then the vertical aperture width v of the rectangular pinholes is calculated by the following formula:

The horizontal viewing angle θ ₁ and the vertical viewing angle θ ₂ of each 3D image are calculated by the following formula:

.

A dual-view 3D display method with uniform resolution and uniform viewing angle, including:

Polarization units 1 and 2 with orthogonal polarization directions are arranged alternately in the horizontal and vertical directions, and the polarization directions of adjacent polarization units in the horizontal and vertical directions in the polarization array are orthogonal,

The image unit 1 and the image unit 2 acquired through the 3D scene 1 and the 3D scene 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively;

The polarizing unit 1 modulates the light emitted by the image element 1 into polarized light, and the polarized light reconstructs a 3D image 1 through the rectangular pinhole corresponding to the image element 1, and can only be seen through the polarized glasses 1;

The polarizing unit 2 modulates the light emitted by the image element 2 into polarized light, and the polarized light reconstructs a 3D image 2 through the rectangular pinhole corresponding to the image element 2, and can only be seen through the polarized glasses 2;

The horizontal aperture width and the vertical aperture width of the rectangular pinholes are reasonably set so that the horizontal viewing angles of the 3D image 1 and the 3D image 2 are equal to the vertical viewing angles.

The micro-image array, polarization array and rectangular pinhole array all contain 40×20 units, of which, 40 units in the horizontal direction and 20 units in the vertical direction, the pitch of image element 1, the pitch of image element 2, and the polarization The pitch of the unit 1, the pitch of the polarization unit 2, and the pitch of the rectangular pinholes are all p= 5mm, the viewing distance is l= 500mm, the distance between the display screen and the rectangular pinhole array is g= 5mm, and the pitch of the rectangular pinholes is If the horizontal aperture width is h= 2mm, it can be calculated by the formula, and the vertical aperture width of the rectangular pinhole v= 1mm, then it can be calculated by the formula, the horizontal viewing angle θ ₁ and the vertical viewing angle θ _{2 of the 3D image 1 and 3D image 2} 3D image 1 and 3D image 2 both have 20 rows and 40 columns of pixels; the number of pixels in each row of 3D image 1 and 3D image 2 is 20, and the number of pixels in each column is 10; based on the above In the traditional integrated imaging dual-view 3D display of parameters, the horizontal and vertical viewing angles of 3D image 1 and 3D image 2 are 24° and 34° respectively, the number of pixels in each row of 3D image 1 is 20, and the number of pixels in odd columns The number of pixels is 20, the number of pixels in even columns is 0; the number of pixels in each row of the 3D image 2 is 20, the number of pixels in odd columns is 0, and the number of pixels in even columns is 20.

Claims (5)

1. the double vision 3D display device of non-uniform resolution and uniform visual angle, which is characterized in that including display screen, polarization arrays, square Shape pinhole array, polarising glass 1, polarising glass 2；The rectangle pinhole array is by the identical rectangle pin hole of multiple parameters in level Be alternatively arranged composition in vertical direction, the horizontal aperture of the rectangle pin hole is not equal to vertical aperture width；It is described inclined The array that shakes is alternately arranged is formed in the horizontal and vertical directions by polarization unit 1 and polarization unit 2, the polarization unit 1 and institute The polarization direction for stating polarization unit 2 is orthogonal, and the polarization of adjacent polarization unit is both horizontally and vertically gone up in the polarization arrays Direction is orthogonal；The polarising glass 1 is identical as the polarization direction of the polarization unit 1, and the polarising glass 2 is single with the polarization The polarization direction of member 2 is identical；

The display screen is for showing micro- pattern matrix, and micro- pattern matrix is by image primitive 1 and image primitive 2 horizontal and vertical It is alternately rearranged on direction；Described image member 1 is obtained by 3D scenes 1, and described image member 2 is obtained by 3D scenes 2；It is described Image primitive 1 and described image member 2 are corresponding with the polarization unit 1 and the polarization unit 2 respectively and be aligned.

2. the double vision 3D display device of non-uniform resolution according to claim 1 and uniform visual angle, which is characterized in that described The center of display screen, the polarization arrays and the rectangle pinhole array is corresponding and is aligned；

The double vision 3D display device of non-uniform resolution and uniform visual angle according to claim 1, which is characterized in that described inclined The array that shakes is fitted closely with the rectangle pinhole array.

3. the double vision 3D display device of non-uniform resolution according to claim 1 and uniform visual angle, which is characterized in that described It is the pitch of image primitive 1, the pitch of described image member 2, the pitch of the polarization unit 1, the pitch of the polarization unit 2, described The pitch all same of rectangle pin hole.

4. the double vision 3D display device of non-uniform resolution according to claim 1 and uniform visual angle, which is characterized in that described Micro- pattern matrix includes with the rectangle pinhole arraym×nA unit, wherein in horizontal directionmA unit, vertical direction OnnThe pitch of a unit, the rectangle pin hole isp, viewing distance isl, between the display screen and the rectangle pinhole array Away from forg, the horizontal aperture of the rectangle pin hole ish, then the vertical aperture width of the rectangle pin holevIt is calculated by following formula It arrives：

The horizontal viewing visual angle of each 3D renderingθ ₁With vertical viewing visual angleθ ₂It is calculated by following formula：

。

5. the double vision 3D display method of non-uniform resolution and uniform visual angle, which is characterized in that including：

The orthogonal polarization unit 1 in polarization direction and polarization unit 2 are alternately arranged in the horizontal and vertical directions, the polarization arrays In both horizontally and vertically upper adjacent polarization unit polarization direction it is orthogonal,

The described image member 1 and described image member 2 obtained by 3D scenes 1 and 3D scenes 2 respectively with the polarization unit 1 and institute Polarization unit 2 is stated to correspond to and be aligned；

The light that described image member 1 is sent out is modulated to polarised light by the polarization unit 1, and above-mentioned polarised light passes through described image member 1 corresponding rectangle pin hole rebuilds 3D rendering 1, and can only be seen by the polarising glass 1；

The light that described image member 2 is sent out is modulated to polarised light by the polarization unit 2, and above-mentioned polarised light passes through described image member 2 corresponding rectangle pin holes rebuild 3D rendering 2, and can only be seen by the polarising glass 2；

The rationally horizontal aperture and vertical aperture width of setting rectangle pin hole so that 3D rendering 1 and the horizontal of 3D rendering 2 are seen See that visual angle is equal to vertical viewing visual angle.