CN205809441U - Integration imaging double vision 3D display device based on gradual change pitch microlens array - Google Patents

Abstract

The utility model discloses a kind of integration imaging double vision 3D display device based on gradual change pitch microlens array, it includes display screen, barrier array and gradual change pitch microlens array；Display screen is used for showing micro-pattern matrix；The image primitive of micro-pattern matrix and the lens cells one_to_one corresponding of gradual change pitch microlens array, each image primitive in micro-pattern matrix is made up of the first subgraph pixel and the second subgraph pixel, first subgraph pixel of micro-pattern matrix and the second subgraph pixel lens cells by gradual change pitch microlens array, form the first vision area for viewing the oneth 3D scene and the second vision area for viewing the 2nd 3D scene respectively.This utility model can not only watch two different 3D scenes in two vision areas, and the integration imaging double vision 3D realizing wide viewing angle shows.

Description

Integration imaging double vision 3D display device based on gradual change pitch microlens array

Technical field

This utility model relates to double vision 3D Display Technique field, particularly to a kind of based on gradual change pitch microlens array Integration imaging double vision 3D display device.

Background technology

Double vision shows the novel display of the one being occur in recent years, and its principle is by showing the most simultaneously Showing two different pictures, the beholder on different view directions can only see one of them picture, thus realizes at one Meet the different demands of multiple beholder on display screen simultaneously.

Integration imaging 3D shows it is a kind of to show without any true 3D helped regarding equipment.Integration imaging 3D shows and make use of light Road principle of reversibility, recorded on image recorder by microlens array by the steric information of 3D scene, generates micro-image battle array Row, are then shown in this micro-pattern matrix on display screen, reconstruct the stereo-picture of former 3D scene through microlens array.

Integration imaging double vision 3D shows it is the fusion of both the above Display Technique.It is so that beholder helps without wearing 3D picture can be seen on different view directions depending on equipment.But, there is viewing in traditional integration imaging double vision 3D display The shortcomings such as narrow viewing angle, therefore its range of application is restricted.The viewing view angle theta that traditional integration imaging double vision 3D shows For:

$\mathrm{\θ}=\arctan \[\frac{mp}{2(m-1)f}\]\≈\left(\frac{p}{2f}\right)$

Wherein, p is the horizontal pitch of image primitive, and f is the focal length of lens cells in microlens array, and m is micro-pattern matrix water Square upwards number of image primitive.

Utility model content

The purpose of this utility model is: solve to there is viewing narrow viewing angle in traditional integration imaging double vision 3D Display Technique Problem, expand further the range of application that integration imaging double vision 3D shows.

In order to realize above-mentioned utility model purpose, this utility model provides a kind of collection based on gradual change pitch microlens array Becoming imaging double vision 3D display device, it includes display screen, barrier array and gradual change pitch microlens array；Described display screen is used for Show micro-pattern matrix；The lens cells of the image primitive of described micro-pattern matrix and described gradual change pitch microlens array one a pair Should, each image primitive in described micro-pattern matrix is made up of the first subgraph pixel and the second subgraph pixel, described micro-image battle array First subgraph pixel of row and the second subgraph pixel lens cells by described gradual change pitch microlens array, formed respectively and be used for Watch the first vision area of a 3D scene and for watching the second vision area of the 2nd 3D scene；Wherein,

Described gradual change pitch microlens array is positioned at its horizontal pitch of the lens cells with string identical, its normal pitch phase With, it being positioned at its normal pitch of the lens cells with a line identical, its horizontal pitch is gradually increased to row edge from row center；

The horizontal pitch of the image primitive in described micro-pattern matrix and normal pitch with it at described gradual change pitch lenticule The horizontal pitch of lens cells corresponding in array is identical with normal pitch, the lens cells that the center of each image primitive is corresponding Center alignment；Further, being positioned at the first subgraph pixel and the second subgraph pixel of same a line in described micro-pattern matrix, the two is alternate Arrangement；

Its one end of barrier of described barrier array is arranged in described micro-pattern matrix two neighbor map being positioned at same a line The intersection of pixel, its other end is arranged on the intersection of two corresponding with described image primitive adjacent lens unit.

According to a kind of specific embodiment, described display screen is LCDs, plasma panel and organic electroluminescence One of light emitting display.

According to a kind of specific embodiment, in described micro-pattern matrix, the number of image primitive is odd number, and described gradually Horizontal direction epigraph unit in the number of lens cells and described micro-pattern matrix in horizontal direction in pitches microlens array Number is identical.

According to a kind of specific embodiment, in described barrier array, the number of barrier is than described gradual change pitch lenticule battle array Few one of the number of lens cells in horizontal direction in row.

According to a kind of specific embodiment, the horizontal pitch of the i-th row lens cells on described gradual change pitch microlens array H_iFor:

$\left\{\begin{array}{cc}{H}_i=p{\left(\frac{l+f}{l-f}\right)}^{\&lsqb;ceil\left(\frac{m}{2}\right)-i\&rsqb;}& 1\&le;i\&le;\frac{m}{2}\\ H_i=p{\left(\frac{l+f}{l-f}\right)}^{\&lsqb;i-floor\left(\frac{m}{2}\right)-1\&rsqb;}& \frac{m}{2}<i\&le;m\end{array}\right.$

Wherein, ceil () is to round up, and floor () is to round downwards, and i is the positive integer less than or equal to m, and p is position In the horizontal pitch of the lens cells of described gradual change pitch microlens array center, viewing distance be l, f be described gradual change joint The focal length of lens cells in microlens array, m is the number of the described gradual change pitch last lens cells of microlens array horizontal direction.

According to a kind of specific embodiment, the visual angle of described first vision area and described second vision area is:

$\mathrm{\&theta;}=\arctan \left(\frac{p}{f}\right)-\arctan \left(\frac{\frac{p}{2}+\frac{H_1}{2}+\underset{i=2}{\overset{\frac{m-1}{2}}{\&Sigma;}}{H}_i}{l}\right)$

Wherein, p is the horizontal pitch of the image primitive being positioned at described micro-pattern matrix center, and f is described gradual change pitch The focal length of lens cells in microlens array.

Compared with prior art, the beneficial effects of the utility model: this utility model can not only be seen in two vision areas See two different 3D scenes, and the integration imaging double vision 3D realizing wide viewing angle shows.

Accompanying drawing illustrates:

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of micro-pattern matrix of the present utility model；

Fig. 3 is the 3D scene graph that this utility model the first vision area is watched；

Fig. 4 is the 2nd 3D scene graph that this utility model the second vision area is watched.

Reference numerals list

1-display screen 2-gradual change pitch microlens array 3-barrier array 4-micro-pattern matrix 5-image primitive 6-the first subgraph pixel 7-the second subgraph pixel 8-the first vision area 9-the second vision area.

Detailed description of the invention

Below in conjunction with detailed description of the invention, this utility model is described in further detail.But this should be interpreted as this The scope of the above-mentioned theme of utility model is only limitted to below example, and all technology realized based on this utility model content all belong to In scope of the present utility model.

The structural representation of the present utility model being respectively shown in conjunction with Fig. 1 and Fig. 2 and micro-pattern matrix of the present utility model Structural representation；Wherein, this utility model integration imaging based on gradual change pitch microlens array double vision 3D display device, its Including display screen 1, barrier array 3 and gradual change pitch microlens array 2；Display screen 1 is used for showing micro-pattern matrix 4；Micro-image The image primitive 5 of array 4 and the lens cells one_to_one corresponding of gradual change pitch microlens array 2, each image primitive in micro-pattern matrix 4 5 are made up of the first subgraph pixel 6 and the second subgraph pixel 7, the first subgraph pixel 6 and the second subgraph pixel 7 of micro-pattern matrix 4 By the lens cells of gradual change pitch microlens array 2, form the first vision area 8 for watching a 3D scene respectively and be used for seeing See the second vision area 9 of the 2nd 3D scene.Wherein, a 3D scene graph and the 2nd 3D scene graph are the most as shown in Figure 3 and Figure 4.

Wherein, gradual change pitch microlens array 2 is positioned at its horizontal pitch of the lens cells with string identical, its normal pitch Identical, it is positioned at its normal pitch of the lens cells with a line identical, its horizontal pitch is gradually increased to row edge from row center.

The horizontal pitch of the image primitive 5 in micro-pattern matrix 4 and normal pitch with it in gradual change pitch microlens array 2 The horizontal pitch of corresponding lens cells is identical with normal pitch, the center of the lens cells that the center of each image primitive 5 is corresponding Alignment；Further, being positioned at first subgraph pixel 6 and the second subgraph pixel 7 of same a line in micro-pattern matrix 4, the two is alternately.

Its one end of the barrier of barrier array 3 is arranged on two the neighbor map pixels 5 being positioned at same a line in micro-pattern matrix 4 Intersection, its other end is arranged on the intersection of two the adjacent lens units corresponding with these two image primitives 5.

When implementing, the display screen in this utility model uses LCDs, plasma panel and organic electroluminescence to send out One of light display screen.

In this utility model, in micro-pattern matrix, the number of image primitive is odd number, and in gradual change pitch microlens array In horizontal direction, the number of lens cells is identical with the number of horizontal direction epigraph unit in micro-pattern matrix.Level in barrier array On direction, the number of barrier is than few of the number of lens cells in horizontal direction in gradual change pitch microlens array.

Concrete, the horizontal pitch H of the i-th row lens cells on gradual change pitch microlens array 2_iFor:

$\left\{\begin{array}{cc}{H}_i=p{\left(\frac{l+f}{l-f}\right)}^{\&lsqb;ceil\left(\frac{m}{2}\right)-i\&rsqb;}& 1\&le;i\&le;\frac{m}{2}\\ H_i=p{\left(\frac{l+f}{l-f}\right)}^{\&lsqb;i-floor\left(\frac{m}{2}\right)-1\&rsqb;}& \frac{m}{2}<i\&le;m\end{array}\right.$

Wherein, ceil () is to round up, and floor () is to round downwards, and i is the positive integer less than or equal to m, and p is position In the horizontal pitch of the lens cells of gradual change pitch microlens array center, viewing distance be l, f be gradual change pitch lenticule The focal length of lens cells in array, m is the number of the gradual change pitch last lens cells of microlens array horizontal direction.

With the pitch of the lens cells of gradual change pitch microlens array center as p=5mm, viewing distance is l= 105mm, the focal length of lens cells is f=5mm, and micro-pattern matrix and gradual change pitch microlens array all comprise 11 × 11 unit, I.e. 11 unit in horizontal direction, 11 unit in vertical direction.Computing formula according to above-mentioned horizontal pitch obtain the 1st～ The horizontal pitch of 11 row lens cells is followed successively by: 8.05255mm, 7.3205mm, 6.655mm, 6.05mm, 5.5mm, 5mm, 5.5mm, 6.05mm、6.655mm、7.3205mm、8.05255mm。

Concrete, the visual angle of the first vision area 8 and the second vision area 9 is:

$\mathrm{\&theta;}=\arctan \left(\frac{p}{f}\right)-\arctan \left(\frac{\frac{p}{2}+\frac{H_1}{2}+\underset{i=2}{\overset{\frac{m-1}{2}}{\&Sigma;}}{H}_i}{l}\right)$

Wherein, p is the horizontal pitch of the image primitive being positioned at micro-pattern matrix center, and f is gradual change pitch lenticule battle array The focal length of lens cells in row.

Still with the pitch of the lens cells of gradual change pitch microlens array center as p=5mm, the focal length of lens cells is f As a example by=5mm, according to formula above, it is calculated viewing view angle theta=45 ° of the present utility model, and traditional integration imaging Viewing view angle theta=26.5 ° of double vision 3D Display Technique.Therefore, this utility model can watch two not in two vision areas With 3D scene, and the integration imaging double vision 3D realizing wide viewing angle shows.

Above in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail, but this utility model is not It is limited to above-mentioned embodiment, in the case of without departing from the spirit and scope of claims hereof, those skilled in the art Member may be made that various amendment or remodeling.

Claims (6)

1. an integration imaging double vision 3D display device based on gradual change pitch microlens array, it is characterised in that include display Screen, barrier array and gradual change pitch microlens array；Described display screen is used for showing micro-pattern matrix；Described micro-pattern matrix The lens cells one_to_one corresponding of image primitive and described gradual change pitch microlens array, each image primitive in described micro-pattern matrix by First subgraph pixel and the second subgraph pixel are constituted, and the first subgraph pixel and the second subgraph pixel of described micro-pattern matrix pass through The lens cells of described gradual change pitch microlens array, forms the first vision area for watching a 3D scene respectively and is used for watching Second vision area of the 2nd 3D scene；Wherein,

Being positioned at its horizontal pitch of the lens cells with string in described gradual change pitch microlens array identical, its normal pitch is identical, Being positioned at its normal pitch of the lens cells with a line identical, its horizontal pitch is gradually increased to row edge from row center；

The horizontal pitch of the image primitive in described micro-pattern matrix and normal pitch with it at described gradual change pitch microlens array The horizontal pitch of the lens cells of middle correspondence is identical with normal pitch, the center of the lens cells that the center of each image primitive is corresponding Alignment；Further, described micro-pattern matrix is positioned at the first subgraph pixel and the second subgraph pixel of same a line, the two alternate row Row；

Its one end of barrier of described barrier array is arranged in described micro-pattern matrix two the neighbor map pixels being positioned at same a line Intersection, its other end be arranged on two corresponding with described image primitive adjacent lens unit intersection.

2. integration imaging double vision 3D display device based on gradual change pitch microlens array as claimed in claim 1, its feature Being, described display screen is one of LCDs, plasma panel and organic EL display panel.

3. integration imaging double vision 3D display device based on gradual change pitch microlens array as claimed in claim 1, its feature Being, in described micro-pattern matrix, the number of image primitive is odd number, and horizontal direction in described gradual change pitch microlens array The number of upper lens cells is identical with the number of horizontal direction epigraph unit in described micro-pattern matrix.

4. integration imaging double vision 3D display device based on gradual change pitch microlens array as claimed in claim 2, its feature Being, in described barrier array, the number of barrier is than the number of lens cells in horizontal direction in described gradual change pitch microlens array Few one.

5. the integration imaging double vision 3D display device based on gradual change pitch microlens array as described in one of Claims 1 to 4, It is characterized in that, the horizontal pitch H of the i-th row lens cells on described gradual change pitch microlens array_iFor:

$\left\{\begin{array}{cc}{H}_i=p{\left(\frac{l+f}{l-f}\right)}^{\&lsqb;ceil\left(\frac{m}{2}\right)-i\&rsqb;}& 1\&le;i\&le;\frac{m}{2}\\ H_i=p{\left(\frac{l+f}{l-f}\right)}^{\&lsqb;i-floor\left(\frac{m}{2}\right)-1\&rsqb;}& \frac{m}{2}<i\&le;m\end{array}\right.$

Wherein, ceil () is to round up, and floor () is to round downwards, and i is the positive integer less than or equal to m, and p is for being positioned at State the horizontal pitch of the lens cells of gradual change pitch microlens array center, viewing distance be l, f be that described gradual change pitch is micro- The focal length of lens cells in lens arra, m is the number of the described gradual change pitch last lens cells of microlens array horizontal direction.

6. integration imaging double vision 3D display device based on gradual change pitch microlens array as claimed in claim 1, its feature Being, the visual angle of described first vision area and described second vision area is:

$\mathrm{\&theta;}=\arctan \left(\frac{p}{f}\right)-\arctan \left(\frac{\frac{p}{2}+\frac{H_1}{2}+\underset{i=2}{\overset{\frac{m-1}{2}}{\&Sigma;}}{H}_i}{l}\right)$

Wherein, p is the horizontal pitch of the image primitive being positioned at described micro-pattern matrix center, and f is that described gradual change pitch is micro- The focal length of lens cells in lens array.