CN104297932A - Integrated imaging 3D display device based on two-dimensional inclined column lens array - Google Patents

Integrated imaging 3D display device based on two-dimensional inclined column lens array Download PDF

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Publication number
CN104297932A
CN104297932A CN201410633941.9A CN201410633941A CN104297932A CN 104297932 A CN104297932 A CN 104297932A CN 201410633941 A CN201410633941 A CN 201410633941A CN 104297932 A CN104297932 A CN 104297932A
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column lens
lens arra
tilt column
lens array
display panel
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CN201410633941.9A
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CN104297932B (en
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王琼华
熊召龙
陈军
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Sichuan University
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Sichuan University
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

The invention discloses an integrated imaging 3D display device based on a two-dimensional inclined column lens array. The integrated imaging 3D display device comprises a 2D display panel, an inclined column lens array I and an inclined column lens array II, wherein the planar surface of the inclined column lens array I is tightly adhered to the 2D display panel; the optical distance between the inclined column lens array I and the 2D display panel is the same as the focal length of the inclined column lens array I; the convex surface of the inclined column lens array I faces outwards; the convex surface of the inclined column lens array II is adhered to the convex surface of the inclined column lens array I; the planar surface of the inclined column lens array II faces outwards; the inclination angles of the two inclined column lens arrays relative to the 2D display panel are different, so that the pitches of lens units are matched with the size of the pixel of the 2D display panel, and the purpose of eliminating moire fringes is achieved. On premise that the cost of the integrated imaging 3D display device is reduced, the moire fringes of the integrated imaging 3D display device are reduced, and meanwhile the horizontal watching view and the vertical watching view of the integrated imaging 3D display device are increased.

Description

A kind of integration imaging 3D display device based on two-dimentional tilt column lens arra
Technical field
The present invention relates to integration imaging 3D display technique, more particularly, the present invention relates to a kind of integration imaging 3D display technique based on two-dimentional tilt column lens arra.
Background technology
Integration imaging 3D display technique can rebuild 3D scene in parallax and authentic color ground entirely, is a kind of true 3D display technique without the need to utility appliance.
Integration imaging 3D display technique divides shooting and display two processes: in shooting process, be recorded on lighting apparatus by the steric information of 3D scene by microlens array, generate micro-pattern matrix; In procedure for displaying, integration imaging 3D display device utilizes the cylindrical lens array of microlens array or two-dimensional quadrature to be shown by micro-pattern matrix, according to light path principle of reversibility, rebuilds the stereo-picture of the 3D scene of shooting in space.
The conventional integration imaging 3D display device based on two-dimensional columns lens arra is made up of the identical cylindrical lens array I of 2D display panel, parameter and cylindrical lens array II.Cylindrical lens array I and cylindrical lens array II is placed in 2D display panel front end with level and vertical direction respectively, as shown in Figure 1.But after 2D display panel and cylindrical lens array parameter are determined, there is lens unit pitch and the unmatched problem of 2D display panel pixel size in the integration imaging 3D display device based on two-dimensional columns lens arra, this will cause serious Moire fringe, have a strong impact on the stereo reconstruction effect of 3D scene.
Summary of the invention
The present invention proposes a kind of integration imaging 3D display device based on two-dimentional tilt column lens arra.As shown in Figure 2, this device comprises 2D display panel, tilt column lens arra I and tilt column lens arra II, the plane of tilt column lens arra I is close to 2D display panel, between the two every optical range be the focal length of tilt column lens arra I, convex surface outwardly, the convex surface of tilt column lens arra II and the convex surface of tilt column lens arra I bonded to each other, plane outwardly, and two tilt column lens arras are different relative to the angle of inclination of 2D display panel, and ensure that the number of the pixel that the post lens unit of tilt column lens arra I and tilt column lens arra II covers in horizontal cycle is integer, thus lens unit pitch and 2D display panel pixel size are matched, reach the object eliminating Moire fringe.The angle of inclination of tilt column lens arra I and tilt column lens arra II is respectively θ 1with θ 2, expression formula is as follows:
（1）
（2）
（3）
Wherein, pfor the pitch of tilt column lens arra I and tilt column lens arra II, rfor 2D display panel pixel size, mwith nbe respectively tilt column lens arra I and the tilt column lens arra II number of pixels that covers of each tilt column lens unit in the horizontal direction, mwith ncan only 1 be got, 2, the positive integers such as 3, αbeing the Slope Constraint coefficient of dilatation of tilt column lens arra I and tilt column lens arra II, characterizing the vertical extent of tilt column lens arra I and tilt column lens arra II, general value is 0≤ α≤ 5%.Because the integration imaging 3D display device based on two-dimentional tilt column lens arra in the present invention meets the constraint condition of formula (1), (2) and (3), the number of pixels that each tilt column lens unit covers is integer, lens unit pitch and 2D display panel pixel size match, namely there is not the condition that Moire fringe produces, therefore can not there is Moire fringe in apparatus of the present invention.
The level viewing visual angle Ω of the integration imaging 3D display device based on two-dimentional tilt column lens arra of the present invention h with vertical viewing visual angle Ω v be calculated as follows:
（4）
（5）
From formula (4) and (5), by regulating the angle of inclination of tilt column lens arra I and tilt column lens arra II θ 1with θ 2the integration imaging 3D display device based on two-dimentional tilt column lens arra can be made to have different level viewing visual angles and vertically watch visual angle.Therefore, the present invention, under the prerequisite reducing integration imaging 3D display device cost, achieves the Moire fringe eliminating integration imaging 3D display device, and the level of adjustable integration imaging 3D display device is watched visual angle and vertically watches visual angle simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is the conventional integration imaging 3D display device schematic diagram based on two-dimensional columns lens arra.
A kind of integration imaging 3D display device schematic diagram based on two-dimentional tilt column lens arra that accompanying drawing 2 proposes for the present invention.
Shown by reference numeral in above-mentioned accompanying drawing is:
1 2D display panel, 2 cylindrical lens array I, 3 cylindrical lens array II, 4 tilt column lens arra I, 5 tilt column lens arra II.
Should be appreciated that above-mentioned accompanying drawing just schematically, do not draw in proportion.
Embodiment
The following detailed description of the exemplary embodiments utilizing a kind of integration imaging 3D display device based on two-dimentional tilt column lens arra of the present invention, the present invention is further described specifically.What be necessary to herein means out is; following examples are only described further for the present invention; limiting the scope of the invention can not be interpreted as; this art skilled person makes some nonessential improvement and adjustment according to the invention described above content to the present invention, still belongs to protection scope of the present invention.
The present invention proposes a kind of integration imaging 3D display device based on two-dimentional tilt column lens arra.This device comprises 2D display panel, tilt column lens arra I and tilt column lens arra II, and 2D display panel is positioned on the focal plane of tilt column lens arra I, and tilt column lens arra I relative to 2D display panel angle of inclination is θ 1, tilt column lens arra II convex surface is relative with tilt column lens arra I convex surface, and tightly fits with it, relative to 2D display panel angle of inclination is θ 2, as shown in Figure 2.
Suppose that the pitch of tilt column lens arra I and the pitch of tilt column lens arra II are all p=1.27mm, 2D display panel pixel is of a size of r=0.137mm, under the condition of Moire fringe is eliminated in satisfied two-dimentional tilt column lens arra integrate imaging parameter design, then the angle of inclination of tilt column lens arra I and tilt column lens arra II θ 1with θ 2can be expressed as:
（1）
（2）
（3）
Wherein, αthe Slope Constraint coefficient of dilatation of tilt column lens arra I and tilt column lens arra II, general value is 0≤ α≤ 5%.Can obtain thus, in the present embodiment, the angle of inclination of tilt column lens arra I and tilt column lens arra II θ 1=44.5 ° and θ 2=-44.5 °, m=13, n=13, tilt column lens arra I and the Slope Constraint coefficient of dilatation of tilt column lens arra II α=3.4%.Due to the angle of inclination of tilt column lens arra I and tilt column lens arra II θ 1with θ 2the number all meeting the pixel that lens cells covers in horizontal cycle is integer, and lens unit pitch and 2D display panel pixel size match, and the integration imaging 3D without Moire fringe that therefore present invention achieves based on two-dimentional tilt column lens arra shows.
In the present embodiment, the focal length of two-dimentional tilt column lens arra f=2.3mm, the image primitive that micro-pattern matrix and two-dimentional tilt column lens arra comprise in the horizontal direction or lens cells number u=320, the image primitive that in the vertical direction comprises or lens cells number v=240, when the viewing distance of beholder is lduring=3.50m, the level viewing visual angle of the conventional integration imaging 3D display device based on two-dimensional columns lens arra is 24.62 °, and vertically viewing visual angle is 26.20 °.Under the condition that the intrinsic parameter of 2D display panel and cylindrical lens array is identical, when the angle of inclination of tilt column lens arra I and tilt column lens arra II θ 1=44.5 ° and θ 2when=-44.5 °, the level viewing visual angle Ω of the integration imaging 3D display device based on two-dimentional tilt column lens arra of the present invention h with vertical viewing visual angle Ω v , be calculated as follows:
（4）
（5）
Can obtain thus, level viewing visual angle Ω h =34.02 °, vertically viewing visual angle Ω v =36.14 °.Therefore, the present invention, under the prerequisite reducing integration imaging 3D display device cost, achieves the Moire fringe eliminating integration imaging 3D display device, and increases the level viewing visual angle of integration imaging 3D display simultaneously and vertically watch visual angle.

Claims (1)

1. the integration imaging 3D display device based on two-dimentional tilt column lens arra, it is characterized in that, this device comprises 2D display panel, tilt column lens arra I and tilt column lens arra II, the plane of tilt column lens arra I is close to 2D display panel, between the two every optical range be the focal length of tilt column lens arra I, convex surface outwardly, the convex surface of tilt column lens arra II and the convex surface of tilt column lens arra I bonded to each other, plane outwardly, and two tilt column lens arras are different relative to the angle of inclination of 2D display panel, and ensure that the number of the pixel that the post lens unit of tilt column lens arra I and tilt column lens arra II covers in horizontal cycle is integer, thus lens unit pitch and 2D display panel pixel size are matched, the angle of inclination of tilt column lens arra I and tilt column lens arra II θ 1with θ 2meet respectively: θ 1=arccos ( p/ mr), θ 2=-arccos ( p/ nr), tan θ 1tan θ 2=-1 ± α, wherein, pfor the pitch of tilt column lens arra I and tilt column lens arra II, rfor 2D display panel pixel size, mwith nbe respectively tilt column lens arra I and the tilt column lens arra II number of pixels that covers of each tilt column lens unit in the horizontal direction, and can only 1 be got, 2, the positive integers such as 3, αbeing the Slope Constraint coefficient of dilatation of tilt column lens arra I and tilt column lens arra II, characterizing the vertical extent of tilt column lens arra I and tilt column lens arra II, general value is 0≤ α≤ 5%.
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Cited By (6)

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CN104950463A (en) * 2015-07-29 2015-09-30 重庆卓美华视光电有限公司 Naked eye 3D display module
CN106254858A (en) * 2015-12-31 2016-12-21 北京智谷睿拓技术服务有限公司 Light field display control method and device, light field display device
CN108254933A (en) * 2018-03-23 2018-07-06 北京邮电大学 A kind of naked-eye stereoscopic display system based on lenticulation
US10359640B2 (en) 2016-03-08 2019-07-23 Microsoft Technology Licensing, Llc Floating image display
CN111008963A (en) * 2019-11-27 2020-04-14 京东方科技集团股份有限公司 Moire pattern quantitative evaluation method and device, electronic device, and storage medium
CN113917700A (en) * 2021-09-13 2022-01-11 北京邮电大学 Three-dimensional light field display system

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CN102209254A (en) * 2011-05-30 2011-10-05 四川大学 One-dimensional integrated imaging method and device

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104950463A (en) * 2015-07-29 2015-09-30 重庆卓美华视光电有限公司 Naked eye 3D display module
CN106254858A (en) * 2015-12-31 2016-12-21 北京智谷睿拓技术服务有限公司 Light field display control method and device, light field display device
CN106254858B (en) * 2015-12-31 2018-05-04 北京智谷睿拓技术服务有限公司 Light field display control method and device, light field display device
US10359640B2 (en) 2016-03-08 2019-07-23 Microsoft Technology Licensing, Llc Floating image display
CN108254933A (en) * 2018-03-23 2018-07-06 北京邮电大学 A kind of naked-eye stereoscopic display system based on lenticulation
CN111008963A (en) * 2019-11-27 2020-04-14 京东方科技集团股份有限公司 Moire pattern quantitative evaluation method and device, electronic device, and storage medium
CN111008963B (en) * 2019-11-27 2023-12-22 京东方科技集团股份有限公司 Moire quantization evaluation method and device, electronic equipment and storage medium
CN113917700A (en) * 2021-09-13 2022-01-11 北京邮电大学 Three-dimensional light field display system
CN113917700B (en) * 2021-09-13 2022-11-29 北京邮电大学 Three-dimensional light field display system

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