CN109254412A - Double vision 3D display device based on rectangle pinhole array - Google Patents

Double vision 3D display device based on rectangle pinhole array Download PDF

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Publication number
CN109254412A
CN109254412A CN201811386708.XA CN201811386708A CN109254412A CN 109254412 A CN109254412 A CN 109254412A CN 201811386708 A CN201811386708 A CN 201811386708A CN 109254412 A CN109254412 A CN 109254412A
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China
Prior art keywords
polarization
rectangle
pin hole
pinhole array
display screen
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CN201811386708.XA
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CN109254412B (en
Inventor
吴非
樊为
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Chengdu Aeronautic Polytechnic
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Chengdu Technological University CDTU
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

The invention discloses the double vision 3D display device based on rectangle pinhole array, including display screen, polarization grating, rectangle pinhole array, polarising glass 1, polarising glasses 2；Polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, and polarization unit 1 is orthogonal with the polarization direction of polarization unit 2；The polarization direction of polarising glass 1 is identical as polarization unit 1, and the polarization direction of polarising glass 2 is identical as polarization unit 2；Display screen is for showing that micro- pattern matrix, micro- pattern matrix are made of image primitive 1 and image primitive 2；The horizontal aperture of rectangle pinhole array is not equal to vertical aperture width, and the horizontal breadth of rectangle pinhole array is not equal to vertical thickness, so that horizontal optical efficiency is equal to vertical optical efficiency.

Description

Double vision 3D display device based on rectangle pinhole array
Technical field
The present invention relates to 3D displays, it is more particularly related to which the double vision 3D display based on rectangle pinhole array fills It sets.
Background technique
Integration imaging double vision 3D display is the fusion of double vision display technology and integration imaging 3D display technology.It can make Viewer sees different 3D pictures on different view directions, is one of the hot spot technology of current 3D display.Existing base There are problems that horizontal optical efficiency not equal to vertical optical efficiency in the integration imaging double vision 3D display of rectangle pinhole array.
Summary of the invention
The invention proposes the double vision 3D display devices based on rectangle pinhole array, and as shown in figure 1 and 2, feature exists In, including display screen, polarization grating, rectangle pinhole array, polarising glass 1, polarising glass 2；Display screen, polarization grating and rectangle Pinhole array is placed in parallel, and corresponding alignment；Polarization grating is bonded with display screen；As shown in Fig. 3, polarization grating is single by polarization Member 1 and polarization unit 2 are alternately arranged composition, and polarization unit 1 is orthogonal with the polarization direction of polarization unit 2；The polarization of polarising glass 1 Direction is identical as polarization unit 1, and the polarization direction of polarising glass 2 is identical as polarization unit 2；Display screen is for showing micro- image battle array Column, micro- pattern matrix are made of image primitive 1 and image primitive 2, as shown in Fig. 4；The horizontal aperture of rectangle pinhole array is not Equal to vertical aperture width, the horizontal breadth of rectangle pinhole array is not equal to vertical thickness；
The horizontal aperture of rectangle pin holewAre as follows:
(1)
Wherein,pIt is the pitch of rectangle pin hole and image primitive,sIt is the horizontal space of rectangle pin hole and display screen,tIt is rectangle pin hole With the vertical interval of display screen,aIt is the horizontal breadth of rectangle pin hole,bIt is the vertical thickness of rectangle pin hole,vIt is rectangle pin hole Vertical aperture width；
Horizontal optical efficiencyφ 1With vertical optical efficiencyφ 2Are as follows:
(2).
Detailed description of the invention
Attached drawing 1 is the structure and horizontal parameters figure of double vision 3D display device of the invention
Attached drawing 2 is the structure and Vertical Parameters figure of double vision 3D display device of the invention
Attached drawing 3 is the arrangement schematic diagram of polarization grating of the invention
Attached drawing 4 is the arrangement schematic diagram of micro- pattern matrix of the invention
Shown by reference numeral in above-mentioned attached drawing are as follows:
1 display screen, 2 polarization gratings, 3 rectangle pinhole array, 4 polarising glass, 1,5 polarising glass, 2,6 polarization unit 1,7 polarization Unit 2,8 micro- pattern matrixes, 9 image primitive, 1,10 image primitive 2.
Specific embodiment
The following detailed description of an exemplary embodiments of the invention are utilized, the present invention is further described specifically. It is described further it is necessarily pointed out that following embodiment is served only for the present invention, should not be understood as protecting the present invention The limitation of range is protected, field person skilled in the art makes some nonessential improvement to the present invention according to aforementioned present invention content And adjustment, still fall within protection scope of the present invention.
The invention proposes the double vision 3D display devices based on rectangle pinhole array, and as shown in figure 1 and 2, feature exists In, including display screen, polarization grating, rectangle pinhole array, polarising glass 1, polarising glass 2；Display screen, polarization grating and rectangle Pinhole array is placed in parallel, and corresponding alignment；Polarization grating is bonded with display screen；As shown in Fig. 3, polarization grating is single by polarization Member 1 and polarization unit 2 are alternately arranged composition, and polarization unit 1 is orthogonal with the polarization direction of polarization unit 2；The polarization of polarising glass 1 Direction is identical as polarization unit 1, and the polarization direction of polarising glass 2 is identical as polarization unit 2；Display screen is for showing micro- image battle array Column, micro- pattern matrix are made of image primitive 1 and image primitive 2, as shown in Fig. 4；The horizontal aperture of rectangle pinhole array is not Equal to vertical aperture width, the horizontal breadth of rectangle pinhole array is not equal to vertical thickness；
The horizontal aperture of rectangle pin holewAre as follows:
(1)
Wherein,pIt is the pitch of rectangle pin hole and image primitive,sIt is the horizontal space of rectangle pin hole and display screen,tIt is rectangle pin hole With the vertical interval of display screen,aIt is the horizontal breadth of rectangle pin hole,bIt is the vertical thickness of rectangle pin hole,vIt is rectangle pin hole Vertical aperture width；
Horizontal optical efficiencyφ 1With vertical optical efficiencyφ 2Are as follows:
(2).
The pitch of image primitive 1, the pitch of image primitive 2, the pitch of polarization unit 1, the pitch of polarization unit 2, rectangle pin hole Pitch bepThe horizontal space of=10mm, rectangle pin hole and display screen isg=10mm, between rectangle pin hole is vertical with display screen It is away from the horizontal breadth for d=2mm, rectangle pin holeaThe vertical thickness of=1mm, rectangle pin hole isb=3mm, rectangle pin hole it is vertical Aperture isv=4mm is then 2mm by the horizontal aperture that rectangle pinhole array is calculated in formula (1), is calculated by formula (2) Obtaining horizontal optical efficiency and vertical optical efficiency is 9%.

Claims (1)

1. the double vision 3D display device based on rectangle pinhole array, which is characterized in that including display screen, polarization grating, rectangle needle Hole array, polarising glass 1, polarising glass 2；Display screen, polarization grating and rectangle pinhole array are placed in parallel, and corresponding alignment； Polarization grating is bonded with display screen；Polarization grating is alternately arranged and is formed by polarization unit 1 and polarization unit 2, polarization unit 1 and partially The polarization direction of vibration unit 2 is orthogonal；The polarization direction of polarising glass 1 is identical as polarization unit 1, the polarization direction of polarising glass 2 It is identical as polarization unit 2；Display screen is for showing that micro- pattern matrix, micro- pattern matrix are made of image primitive 1 and image primitive 2；Square The horizontal aperture of shape pinhole array is not equal to vertical aperture width, and the horizontal breadth of rectangle pinhole array is thick not equal to vertical Degree；
The horizontal aperture of rectangle pin holewAre as follows:
Wherein,pIt is the pitch of rectangle pin hole and image primitive,sIt is the horizontal space of rectangle pin hole and display screen,tIt is rectangle pin hole With the vertical interval of display screen,aIt is the horizontal breadth of rectangle pin hole,bIt is the vertical thickness of rectangle pin hole,vIt is rectangle pin hole Vertical aperture width；
Horizontal optical efficiencyφ 1With vertical optical efficiencyφ 2Are as follows:
。
CN201811386708.XA 2018-11-20 2018-11-20 Double-vision 3D display device based on rectangular pinhole array Active CN109254412B (en)

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CN109298540A (en) * 2018-11-20 2019-02-01 成都工业学院 Integration imaging 3D display device based on polarization arrays and rectangle pin hole
CN110099272A (en) * 2019-05-25 2019-08-06 成都工业学院 Integration imaging double vision 3D display device and method based on compound pinhole array
CN110389454A (en) * 2019-07-28 2019-10-29 成都工业学院 Integration imaging double vision 3D display device based on rectangle polarization arrays
CN110412771A (en) * 2019-07-28 2019-11-05 成都工业学院 Integration imaging double vision 3D display device based on microlens array
CN113031297A (en) * 2021-04-01 2021-06-25 成都工业学院 Double-vision 3D display method based on polarized glasses
CN114895482A (en) * 2022-05-18 2022-08-12 成都工业学院 3D display device based on slit grating and composite pinhole array

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Cited By (11)

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Publication number Priority date Publication date Assignee Title
CN109298540A (en) * 2018-11-20 2019-02-01 成都工业学院 Integration imaging 3D display device based on polarization arrays and rectangle pin hole
CN109298540B (en) * 2018-11-20 2024-06-04 北京龙翼风科技有限公司 Integrated imaging 3D display device based on polarization array and rectangular pinhole
CN110099272A (en) * 2019-05-25 2019-08-06 成都工业学院 Integration imaging double vision 3D display device and method based on compound pinhole array
CN110099272B (en) * 2019-05-25 2023-07-07 成都航空职业技术学院 Integrated imaging double-vision 3D display device and method based on composite pinhole array
CN110389454A (en) * 2019-07-28 2019-10-29 成都工业学院 Integration imaging double vision 3D display device based on rectangle polarization arrays
CN110412771A (en) * 2019-07-28 2019-11-05 成都工业学院 Integration imaging double vision 3D display device based on microlens array
CN110412771B (en) * 2019-07-28 2024-03-15 成都工业学院 Integrated imaging double-vision 3D display device based on micro-lens array
CN110389454B (en) * 2019-07-28 2024-03-26 成都航空职业技术学院 Integrated imaging double-vision 3D display device based on rectangular polarization array
CN113031297A (en) * 2021-04-01 2021-06-25 成都工业学院 Double-vision 3D display method based on polarized glasses
CN113031297B (en) * 2021-04-01 2022-11-15 成都航空职业技术学院 Double-vision 3D display method based on polarized glasses
CN114895482A (en) * 2022-05-18 2022-08-12 成都工业学院 3D display device based on slit grating and composite pinhole array

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