CN108761816A - Non-uniform resolution and wide viewing angle double vision 3D display device and method - Google Patents
Non-uniform resolution and wide viewing angle double vision 3D display device and method Download PDFInfo
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Abstract
本发明公开了均匀分辨率和宽视角双视3D显示装置及方法，包括显示屏，偏振阵列，渐变节距柱透镜阵列，偏振眼镜1，偏振眼镜2；偏振单元1和偏振单元2在水平和垂直方向上交替排列，图像元1和图像元2分别与偏振单元1和偏振单元2对应且对齐，在不增大3D图像分辨率的前提下，使得3D图像的分辨率更加均匀，改善了显示效果；渐变节距柱透镜阵列中，位于同一列的透镜元的节距相同，且透镜元的节距从中心到两边逐渐增大，增大了观看视角。
The invention discloses a dual-view 3D display device and method with uniform resolution and wide viewing angle, including a display screen, a polarizing array, a progressive pitch cylindrical lens array, polarizing glasses 1, and polarizing glasses 2; Arranged alternately in the vertical direction, the picture element 1 and the picture element 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively, which makes the resolution of the 3D image more uniform and improves the display without increasing the resolution of the 3D image. Effect: In the progressive pitch cylindrical lens array, the pitches of the lens elements in the same row are the same, and the pitch of the lens elements gradually increases from the center to both sides, thereby increasing the viewing angle.
Description
技术领域technical field
本发明涉及双视3D显示，更具体地说，本发明涉及均匀分辨率和宽视角双视3D显示装置及方法。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 wide viewing angle.
背景技术Background technique
集成成像双视3D显示是双视显示技术和集成成像3D显示技术的融合。它可以使得观看者在不同的观看方向上看到不同的3D画面。但是，现有的集成成像双视3D显示存在三个明显的缺点：1、两个3D视区分离，观看者需要移动观看位置才能看到另外一个3D画面；2、分辨率不均匀，3D图像的奇数行或偶数行缺失；3、视角窄。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, and the 3D image Odd or even lines are missing; 3. Narrow viewing angle.
发明内容Contents of the invention
本发明的目的在于克服现有技术中所存在的上述不足，提供均匀分辨率和宽视角双视3D显示装置及方法，该装置可以在同一个视区内同时提供分辨率均匀和宽视角的两个不同的3D图像。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 wide viewing angle. different 3D images.
为了实现上述发明目的，本发明提供了以下技术方案：In order to realize the above-mentioned purpose of the invention, the present invention provides the following technical solutions:
均匀分辨率和宽视角双视3D显示装置，如附图1所示，其特征在于，包括显示屏，偏振阵列，渐变节距柱透镜阵列，偏振眼镜1，偏振眼镜2；所述渐变节距柱透镜阵列中，位于同一列的透镜元的节距相同，且透镜元的节距从中心到两边逐渐增大；所述偏振阵列由偏振单元1和偏振单元2在水平和垂直方向上交替排列组成，所述偏振单元1与所述偏振单元2的偏振方向正交，所述偏振阵列中水平和垂直方向上相邻的偏振单元的偏振方向正交，如附图2所示；所述偏振眼镜1与所述偏振单元1的偏振方向相同，所述偏振眼镜2与所述偏振单元2的偏振方向相同；A dual-view 3D display device with uniform resolution and wide viewing angle, as shown in Figure 1, is characterized in that it includes a display screen, a polarizing array, a progressive pitch cylindrical lens array, polarizing glasses 1, and polarizing glasses 2; In the cylindrical lens array, the pitch of the lens elements in the same column is the same, and the pitch of the lens elements gradually increases from the center to both sides; the polarizing array is alternately arranged in the horizontal and vertical directions by the polarizing unit 1 and the polarizing unit 2 Composition, the polarization directions 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 Figure 2; the polarization The polarization direction of the glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2;
所述显示屏用于显示微图像阵列，所述微图像阵列由图像元1和图像元2在水平和垂直方向上交替排列组成，如附图3所示；所述图像元1通过3D场景1获取，所述图像元2通过3D场景2获取；所述图像元1和所述图像元2分别与所述偏振单元1和所述偏振单元2对应且对齐；所述图像元1的节距与其对应的透镜元和偏振单元1的节距相同；所述图像元2的节距与其对应的透镜元和偏振单元2的节距相同。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 3; the image element 1 passes through the 3D scene 1 Acquisition, the image element 2 is acquired through a 3D scene 2; the image element 1 and the image element 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively; the pitch of the image element 1 and the The corresponding lens elements and the polarizing unit 1 have the same pitch; the image element 2 has the same pitch as the corresponding lens element and the polarizing unit 2 .
优选的，所述渐变节距柱透镜阵列中第i列透镜元的节距H i 为：Preferably, the pitch H i of the i -th column of lens elements in the progressive pitch cylindrical lens array is:
其中，i是小于或等于m的正整数，p为位于渐变节距柱透镜阵列中间的透镜元的节距，l为观看距离，f为透镜元的焦距，m为渐变节距柱透镜阵列中透镜元的个数。Among them, i is a positive integer less than or equal to m , p is the pitch of the lens element located in the middle of the progressive pitch cylindrical lens array, l is the viewing distance, f is the focal length of the lens element, and m is in the progressive pitch cylindrical lens array The number of lens elements.
优选的，双视3D显示装置的观看视角θ为：Preferably, the viewing angle θ of the dual-view 3D display device is:
其中，p为位于渐变节距柱透镜阵列中间的透镜元的节距，为透镜元的焦距。Wherein, p is the pitch of the lens element located in the middle of the progressive pitch cylindrical lens array, and is the focal length of the lens element.
优选的，所述显示屏，所述偏振阵列和所述渐变节距柱透镜阵列的中心均对应且对齐。Preferably, the centers of the display screen, the polarization array and the progressive pitch cylindrical lens array are all corresponding and aligned.
优选的，所述偏振阵列与所述显示屏紧密贴合。Preferably, the polarizing array is in close contact with the display screen.
均匀分辨率和宽视角双视3D显示方法，包括：A dual-view 3D display method with uniform resolution and wide viewing angles, including:
偏振方向正交的偏振单元1和偏振单元2在水平和垂直方向上交替排列，所述偏振阵列中水平和垂直方向上相邻的偏振单元的偏振方向正交，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,
通过3D场景1和3D场景2获取的所述图像元1和所述图像元2分别与所述偏振单元1和所述偏振单元2对应且对齐；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;
所述偏振单元1将所述图像元1发出的光线调制为偏振光，上述偏振光通过所述图像元1对应的微透镜重建3D图像1，且只能通过所述偏振眼镜1看到；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 microlens corresponding to the image element 1, and can only be seen through the polarized glasses 1;
所述偏振单元2将所述图像元2发出的光线调制为偏振光，上述偏振光通过所述图像元2对应的微透镜重建3D图像2，且只能通过所述偏振眼镜2看到；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 microlens corresponding to the image element 2, and can only be seen through the polarized glasses 2;
所述渐变节距柱透镜阵列中，位于同一列的透镜元的节距相同，且透镜元的节距从中心到两边逐渐增大；所述图像元1的节距与其对应的透镜元和偏振单元1的节距相同；所述图像元2的节距与其对应的透镜元和偏振单元2的节距相同，增大了观看视角。In the progressive pitch cylindrical lens array, the pitches of the lens elements in the same column are the same, and the pitch of the lens elements gradually increases from the center to both sides; the pitch of the image element 1 and its corresponding lens element and polarization The pitch of the unit 1 is the same; the pitch of the image unit 2 is the same as that of the corresponding lens unit and the polarizing unit 2, which increases the viewing angle.
与现有技术相比，本发明的有益效果：Compared with prior art, the beneficial effect of the present invention:
1、本发明中的偏振单元1和偏振单元2在水平和垂直方向上交替排列，图像元1和图像元2分别与偏振单元1和偏振单元2对应且对齐，在不增大3D图像分辨率的前提下，使得3D图像的分辨率更加均匀，改善了显示效果；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、进一步的，无需移动观看位置，通过佩戴不同的偏振眼镜来切换不同的3D图像；2. Further, without moving the viewing position, different 3D images can be switched by wearing different polarized glasses;
3、进一步的，渐变节距柱透镜阵列中，位于同一列的透镜元的节距相同，且透镜元的节距从中心到两边逐渐增大；图像元1的节距与其对应的透镜元和偏振单元1的节距相同；图像元2的节距与其对应的透镜元和偏振单元2的节距相同，增大了观看视角。3. Further, in the progressive pitch cylindrical lens array, the pitches of the lens elements in the same row are the same, and the pitch of the lens elements gradually increases from the center to both sides; the pitch of the image element 1 and its corresponding lens element and The pitch of the polarizing unit 1 is the same; the pitch of the image element 2 is the same as that of the corresponding lens element and the polarizing unit 2, which increases the viewing angle.
附图说明Description of drawings
附图1为本发明的双视3D显示的结构图Accompanying drawing 1 is the structural diagram that double-view 3D shows of the present invention
附图2为本发明的偏振阵列的排列示意图Accompanying drawing 2 is the arrangement schematic diagram of the polarization array of the present invention
附图3为本发明的微图像阵列的排列示意图Accompanying drawing 3 is the arrangement schematic diagram of the micro image array of the present invention
上述附图中的图示标号为：The pictorial labels in the above-mentioned accompanying drawings are:
1显示屏，2偏振阵列，3 渐变节距柱透镜阵列，4 偏振眼镜1，5偏振眼镜2，6偏振单元1，7偏振单元2，8微图像阵列，9 图像元1，10图像元2，11 3D图像1，12 3D图像2。1 Display, 2 Polarization Array, 3 Gradient Pitch Cylindrical Lens Array, 4 Polarization Glasses 1, 5 Polarization Glasses 2, 6 Polarization Unit 1, 7 Polarization Unit 2, 8 Micro Image Array, 9 Image Elements 1, 10 Image Elements 2 , 11 3D image 1, 12 3D image 2.
具体实施方式Detailed ways
下面详细说明利用本发明的一个典型实施例，对本发明进行进一步的具体描述。有必要在此指出的是，以下实施例只用于本发明做进一步的说明，不能理解为对本发明保护范围的限制，该领域技术熟练人员根据上述本发明内容对本发明做出一些非本质的改进和调整，仍属于本发明的保护范围。The following detailed description uses a typical embodiment of the present invention to further describe the present invention in detail. 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.
均匀分辨率和宽视角双视3D显示装置，如附图1所示，其特征在于，包括显示屏，偏振阵列，渐变节距柱透镜阵列，偏振眼镜1，偏振眼镜2；所述渐变节距柱透镜阵列中，位于同一列的透镜元的节距相同，且透镜元的节距从中心到两边逐渐增大；所述偏振阵列由偏振单元1和偏振单元2在水平和垂直方向上交替排列组成，所述偏振单元1与所述偏振单元2的偏振方向正交，所述偏振阵列中水平和垂直方向上相邻的偏振单元的偏振方向正交，如附图2所示；所述偏振眼镜1与所述偏振单元1的偏振方向相同，所述偏振眼镜2与所述偏振单元2的偏振方向相同；A dual-view 3D display device with uniform resolution and wide viewing angle, as shown in Figure 1, is characterized in that it includes a display screen, a polarizing array, a progressive pitch cylindrical lens array, polarizing glasses 1, and polarizing glasses 2; In the cylindrical lens array, the pitch of the lens elements in the same column is the same, and the pitch of the lens elements gradually increases from the center to both sides; the polarizing array is alternately arranged in the horizontal and vertical directions by the polarizing unit 1 and the polarizing unit 2 Composition, the polarization directions 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 Figure 2; the polarization The polarization direction of the glasses 1 is the same as that of the polarization unit 1, and the polarization direction of the polarization glasses 2 is the same as that of the polarization unit 2;
所述显示屏用于显示微图像阵列，所述微图像阵列由图像元1和图像元2在水平和垂直方向上交替排列组成，如附图3所示；所述图像元1通过3D场景1获取，所述图像元2通过3D场景2获取；所述图像元1和所述图像元2分别与所述偏振单元1和所述偏振单元2对应且对齐；所述图像元1的节距与其对应的透镜元和偏振单元1的节距相同；所述图像元2的节距与其对应的透镜元和偏振单元2的节距相同。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 3; the image element 1 passes through the 3D scene 1 Acquisition, the image element 2 is acquired through a 3D scene 2; the image element 1 and the image element 2 correspond to and align with the polarization unit 1 and the polarization unit 2 respectively; the pitch of the image element 1 and the The corresponding lens elements and the polarizing unit 1 have the same pitch; the image element 2 has the same pitch as the corresponding lens element and the polarizing unit 2 .
优选的，所述渐变节距柱透镜阵列中第i列透镜元的节距H i 为：Preferably, the pitch H i of the i -th column of lens elements in the progressive pitch cylindrical lens array is:
其中，i是小于或等于m的正整数，p为位于渐变节距柱透镜阵列中间的透镜元的节距，l为观看距离，f为透镜元的焦距，m为渐变节距柱透镜阵列中透镜元的个数。Among them, i is a positive integer less than or equal to m , p is the pitch of the lens element located in the middle of the progressive pitch cylindrical lens array, l is the viewing distance, f is the focal length of the lens element, and m is in the progressive pitch cylindrical lens array The number of lens elements.
优选的，双视3D显示装置的观看视角θ为：Preferably, the viewing angle θ of the dual-view 3D display device is:
其中，p为位于渐变节距柱透镜阵列中间的透镜元的节距，为透镜元的焦距。Wherein, p is the pitch of the lens element located in the middle of the progressive pitch cylindrical lens array, and is the focal length of the lens element.
优选的，所述显示屏，所述偏振阵列和所述渐变节距柱透镜阵列的中心均对应且对齐。Preferably, the centers of the display screen, the polarization array and the progressive pitch cylindrical lens array are all corresponding and aligned.
优选的，所述偏振阵列与所述显示屏紧密贴合。Preferably, the polarizing array is in close contact with the display screen.
均匀分辨率和宽视角双视3D显示方法，包括：A dual-view 3D display method with uniform resolution and wide viewing angles, including:
偏振方向正交的偏振单元1和偏振单元2在水平和垂直方向上交替排列，所述偏振阵列中水平和垂直方向上相邻的偏振单元的偏振方向正交，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,
通过3D场景1和3D场景2获取的所述图像元1和所述图像元2分别与所述偏振单元1和所述偏振单元2对应且对齐；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;
所述偏振单元1将所述图像元1发出的光线调制为偏振光，上述偏振光通过所述图像元1对应的微透镜重建3D图像1，且只能通过所述偏振眼镜1看到；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 microlens corresponding to the image element 1, and can only be seen through the polarized glasses 1;
所述偏振单元2将所述图像元2发出的光线调制为偏振光，上述偏振光通过所述图像元2对应的微透镜重建3D图像2，且只能通过所述偏振眼镜2看到；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 microlens corresponding to the image element 2, and can only be seen through the polarized glasses 2;
所述渐变节距柱透镜阵列中，位于同一列的透镜元的节距相同，且透镜元的节距从中心到两边逐渐增大；所述图像元1的节距与其对应的透镜元和偏振单元1的节距相同；所述图像元2的节距与其对应的透镜元和偏振单元2的节距相同，增大了观看视角。In the progressive pitch cylindrical lens array, the pitches of the lens elements in the same column are the same, and the pitch of the lens elements gradually increases from the center to both sides; the pitch of the image element 1 and its corresponding lens element and polarization The pitch of the unit 1 is the same; the pitch of the image unit 2 is the same as that of the corresponding lens unit and the polarizing unit 2, which increases the viewing angle.
微图像阵列、偏振阵列均包含10×10个单元，其中，水平方向上10个单元，垂直方向上10个单元，渐变节距柱透镜阵列包含10个单元，位于渐变节距柱透镜阵列中心位置的透镜元的节距为p=5mm，观看距离为l=105mm，透镜元的焦距为f=5mm，则由公式计算出第1~10列透镜元的节距分别为7.32mm、6.66mm、6.05mm、5.5mm、5mm、5mm、5.5mm、6.05mm、6.66mm、7.32mm。根据公式计算得到本发明的观看视角θ=54°；3D图像1和3D图像2均有10列像素；传统集成成像双视3D显示的观看视角为25°，3D图像1和3D图像2均只有5列像素。Both the micro image array and the polarization array contain 10×10 units, of which, there are 10 units in the horizontal direction and 10 units in the vertical direction, and the progressive pitch cylindrical lens array contains 10 units, located in the center of the progressive pitch cylindrical lens array The pitch of the lens elements is p = 5mm, the viewing distance is l = 105mm, and the focal length of the lens elements is f = 5mm, then the pitches of the lens elements in the 1st to 10th rows are calculated by the formula as 7.32mm, 6.66mm, 6.05mm, 5.5mm, 5mm, 5mm, 5.5mm, 6.05mm, 6.66mm, 7.32mm. Calculated according to the formula, the viewing angle θ= 54° of the present invention is obtained; both 3D image 1 and 3D image 2 have 10 columns of pixels; the viewing angle of traditional integrated imaging dual-view 3D display is 25°, and both 3D image 1 and 3D image 2 have only 5 columns of pixels.
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