KR20170067097A - a multi-directional space image projection device with Viewing area separation device - Google Patents

a multi-directional space image projection device with Viewing area separation device Download PDF

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Publication number
KR20170067097A
KR20170067097A KR1020150173555A KR20150173555A KR20170067097A KR 20170067097 A KR20170067097 A KR 20170067097A KR 1020150173555 A KR1020150173555 A KR 1020150173555A KR 20150173555 A KR20150173555 A KR 20150173555A KR 20170067097 A KR20170067097 A KR 20170067097A
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KR
South Korea
Prior art keywords
image
display unit
spatial image
prism array
projection apparatus
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KR1020150173555A
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Korean (ko)
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KR101768342B1 (en
Inventor
김승철
김은수
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광운대학교 산학협력단
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    • G02B27/2292—
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • H04N13/0402—

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

The present invention includes a display unit (200) for outputting an image (100); A view separator 300 installed on the upper surface of the display unit 200 for identifying a path of a light beam of the display unit 200; A prism array 400 installed perpendicularly to the upper surface of the display unit 200 to refract a path of a light beam divided by the field-separating element 300; When the image 100 is output from the display unit, the spatial image 110 is projected onto the space through the view separator 300 and the prism array 400, and the spatial image 110 ) To the observer 600,
In the multi-directional spatial image projection apparatus equipped with the field-of-interest separation element according to the present invention, when the display unit outputs an image composed of a combination of a plurality of partial images, the field-separating element outputs each partial image to a prism array corresponding to the image, There is a remarkable effect that a spatial image is projected on the space through the array and another spatial image is displayed according to the position of the observer.

Description

A multi-directional spatial image projection apparatus with a field dividing element is disclosed.

More particularly, the present invention relates to a multi-directional spatial image projection apparatus equipped with a field-separating element, and more particularly, to a multi-directional spatial image projection apparatus having a field dividing element, To a multi-directional spatial image projection apparatus equipped with a field-separating element for displaying another spatial image to an observer.

A spatial image is an image expressing depth, unlike a two-dimensional plane image, and a person can feel a three-dimensional feeling when the binocular of the person recognizes the spatial image.

A spatial image projection apparatus is a device for projecting a spatial image to provide a three-dimensional feeling as if a person is looking at a real object.

As a conventional technique, a spatial image projection apparatus of Registration No. 10-1299195 is intended by the present applicant and includes a receiving unit for receiving spatial images; A display unit for displaying the spatial image and projecting light; A control unit for controlling the display unit to display the spatial image; And a projection unit for projecting the spatial image by transmitting or reflecting the light, wherein the projection unit includes a first lens and a second lens which are liquid crystal lenses or liquid lenses located in front of the display unit, Further comprising a projection position signal for requesting a change of a position at which the spatial image is to be projected, and the control unit switches the state of the first lens and the second lens to the operation state or the inoperative state in accordance with the projection position signal And a spatial image projection apparatus.

As another conventional technique, an image reproducing apparatus and a hologram member disclosed in Japanese Unexamined Patent Application Publication No. 2003-216009 have a hologram recording medium attached to the outer circumferential surface of a light introducing block made of an optically transparent material on which a hologram stereoscopic image or hologram image is recorded And a hologram recording medium which is provided in the outer case and irradiates the hologram stereoscopic image or the illumination light for reproduction for reproducing the hologram image, And the image pickup device is mounted on the image pickup device.

However, in the conventional apparatus as described above, an image composed of a combination of a plurality of partial images output from the display unit is not limited to the prism array direction but is output in all directions, so that an entire image in which a plurality of partial images are overlapped is transmitted through each prism array There is a disadvantage in that it can not display a limited spatial image.

Therefore, when the display unit outputs an image composed of a combination of a plurality of partial images through the multi-directional spatial image projection apparatus equipped with the present invention, the viewfinder separates each partial image into a prism array corresponding to the image And a space division element for projecting a spatial image on the space through the prism array and displaying another spatial image according to the position of the observer.

The present invention includes a display unit (200) for outputting an image (100); A view separator 300 installed on the upper surface of the display unit 200 for identifying a path of a light beam of the display unit 200; A prism array 400 installed perpendicularly to the upper surface of the display unit 200 to refract a path of a light beam divided by the field-separating element 300; When the image 100 is output from the display unit, the spatial image 110 is projected onto the space through the view separator 300 and the prism array 400, and the spatial image 110 ) To the observer (600).

In the multi-directional spatial image projection apparatus equipped with the field-of-interest separation element according to the present invention, when the display unit outputs an image composed of a combination of a plurality of partial images, the field-separating element outputs each partial image to a prism array corresponding to the image, There is a remarkable effect that a spatial image is projected on the space through the array and another spatial image is displayed according to the position of the observer.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of an embodiment of a multi-directional spatial image projection apparatus equipped with a see-
FIG. 2 is a schematic view of an embodiment of a multi-directional spatial image projection apparatus equipped with a see-through element of the present invention.
FIG. 3 is a schematic view of a four-sided view-field dividing element of an embodiment of a multi-directional spatial image projection apparatus equipped with the present invention separating element.
FIG. 4 is a conceptual view of a spatial image of a multi-directional spatial image projection apparatus equipped with the present invention separating element
Fig. 5 is a view showing a prism array configuration diagram of a multi-directional spatial image projection apparatus equipped with a see-
6 is a conceptual diagram of a conventional spatial image projection apparatus

The present invention includes a display unit (200) for outputting an image (100); A view separator 300 installed on the upper surface of the display unit 200 for identifying a path of a light beam of the display unit 200; A prism array 400 installed perpendicularly to the upper surface of the display unit 200 to refract a path of a light beam divided by the field-separating element 300; When the image 100 is output from the display unit, the spatial image 110 is projected onto the space through the view separator 300 and the prism array 400, and the spatial image 110 ) To the observer (600).

In addition, the image 100 may be a combination of a plurality of partial images.

The field-separating element 300 may be any one of a parallax barrier 310, a lenticular lens 320, and a prism array element 330.

The prism array 400 includes a transparent film 460 through which light is transmitted and a prism 450 having a vertical cross section and a right triangle shape. One surface of the prism 450, which is perpendicular to the prism 450, Is bonded to one side of the longitudinal direction of the transparent film (460), and the oblique face faces forward.

The plurality of prisms 450 are sequentially formed in the longitudinal direction of the transparent film 460.

The present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a conceptual view of an embodiment of a multi-directional spatial image projection apparatus provided with the inventive see-through separation element, and FIG. 2 is a perspective view of a double- FIG. 3 is a conceptual view of a four-sided view field dividing element of an embodiment of a multi-directional spatial image projection apparatus provided with the present invention separating element, and FIG. 4 is a conceptual drawing of a spatial image of a multi- FIG. 5 is a perspective view of a prism array of a multi-directional spatial image projection apparatus provided with a seesaw separation element according to the present invention, and FIG. 6 is a conceptual diagram of a conventional spatial image projection apparatus.

More specifically, the present invention includes a display unit 200 for outputting an image 100; A view separator 300 installed on the upper surface of the display unit 200 for identifying a path of a light beam of the display unit 200; A prism array 400 installed perpendicularly to the upper surface of the display unit 200 to refract a path of a light beam divided by the field-separating element 300; When the image 100 is output from the display unit, the spatial image 110 is projected onto the space through the view separator 300 and the prism array 400, and the spatial image 110 ) To the observer (600).

The display unit 200 outputs one image in which two or more partial images are divided into element units so as to be divided in each direction and arranged continuously.

The image 100 is composed of a combination of a plurality of partial images. The image 100 is alternately arranged in units of elements of partial images forming a plurality of images, and only one partial image is visible according to the position of the observer 600 will be.

As an example of the image, the image has two partial images, and the partial images constituting the first image and the partial images constituting the second image are alternately arranged in units of elements, and the positions of the observer 600 Accordingly, only one of the first image and the second image is displayed.

In the display unit 200, a view-field separating element 300 having a flat bottom surface is provided. The path of the ray is divided into multiple directions according to the shape of the view-separating element 300, The path of each light ray is refracted through the prism array 400 installed in the path of the rays so that the external observer 600 can see the spatial image 110.

As an example of the display unit 200, the display unit 200 is configured as a plane having a polygonal or circular shape.

In addition, the field-separating element 300 is one of a parallax barrier 310, a lenticular lens 320, and a prism array element 330.

The field-of-view separation element 300 is installed on the upper surface of the display unit 200 to divide the image 100 into two or more images.

The parallax barrier 310 is formed on the upper surface of the display unit 200 by alternately arranging the transparent vertical slit that transmits light and the non-transparent vertical slit that blocks light, and the parallax barrier 310 has a non- So that the image 100 of the display unit 200 is covered with a certain portion along the direction so that the image looks different depending on the position.

The parallax barriers 310 may be configured such that the image 100 is displayed in a dual view on one display unit 200 and the image 100 is divided into a partial image 1 and a partial image 2 When the partial image 1 and the partial image 2 are alternately arranged and outputted in units of one element, the observer 600 in one direction by the non-transparent vertical slit of the parallax barrier 310 is divided into the partial image 2 The partial image 1 is seen while the observer 600 in the other direction obscures the partial image 1 and the partial image 2 is seen.

The lenticular lens 320 arranges flat hemispherical lenses on the lower surface thereof. The lenticular lens 320 arranges the image of the display unit 200 on the hemispherical frame by the lenticular lens 320, So that the images are displayed differently depending on the positions.

As an example of the lenticular lens 320, the lenticular lens 320 outputs the image 100 as a dual view to one display unit 200. The image 100 includes a partial image 1 and a partial image 2 When the partial image 1 and the partial image 2 are alternately arranged and outputted on a per element basis, the partial image 1 is refracted to the right through the left side surface of the hemispherical lens to be seen by the right side observer 600 And the partial image 2 is refracted to the left through the right side surface of the hemispherical lens to be seen by the observer 600 in the left direction.

The prism array element 330 is composed of a plurality of pyramidal prisms having a flat bottom and a large number of oblique faces. The element units of the left and right images successively formed through the prism are deflected in opposite directions to each other while passing through the prism So that the images are displayed differently according to their positions.

In an exemplary embodiment of the prism array element 330, the prism array element 330 may include a display unit 200 that displays an image 100 in a dual view, When the partial image 1 and the partial image 2 are alternately arranged and outputted in units of elements, the partial image 1 is refracted to the right through the left oblique plane of the prism, and is displayed to the observer 600 in the right direction And the partial image 2 is refracted to the left through the right oblique plane of the prism and is visible to the observer 600 in the left direction.

In addition, the field-of-view separation element 300 can use various hologram optical elements other than the specified field-separating element 300.

The prism array 300 is installed in the direction in which the light is refracted through the view dividing element 300 and the observer 600 views the spatial image 110 in each direction through the prism array 300 installed in each of the directions. You can see it.

3, the direction in which the light is refracted and moved through the view / separation element 300 is a forward / backward / left / right direction, and the direction of movement of the light And the prism array 300 is spaced apart from the front / back / left / right directions.

The prism array 400 includes a transparent film 460 through which light is transmitted and a prism 450 having a vertical cross section and a right triangle shape. One surface of the prism 450, which is perpendicular to the prism 450, A plurality of prisms 450 are sequentially formed in the longitudinal direction of the transparent film 460. The prism 450 is formed of a plurality of prisms 450,

The prism array 400 is positioned between the observer 600 and the display unit 200 so that the spatial image 110 can be viewed.

The image 100 outputs a spatial image 110 of an accurate shape so that the spatial image 110 can be viewed from any direction of the outside.

In the present invention, the images are combined and displayed in multiple directions in accordance with the configuration of the view dividing device 300.

Therefore, in the multi-directional spatial image projection apparatus equipped with the present invention, when the display unit outputs an image composed of a combination of a plurality of partial images, each of the partial images is output to a prism array corresponding to the image, There is a remarkable effect that a spatial image is projected on a space through a prism array and another spatial image is displayed according to the position of the observer.

100: image 110: spatial image
200:
300:
310: Parallax barrier
320: Lenticular lens
330: prism array element
400 prism array 410 prism
420: transparent film
600: observer

Claims (5)

A display unit 200 for outputting an image 100; A view separator 300 installed on the upper surface of the display unit 200 for identifying a path of a light beam of the display unit 200; A prism array 400 installed perpendicularly to the upper surface of the display unit 200 to refract a path of a light beam divided by the field-separating element 300; When the image 100 is output from the display unit, the spatial image 110 is projected on the space through the view separator 300 and the prism array 400, and the spatial image 110 ) To the observer (600). The multi-directional spatial image projection apparatus 2. The multi-directional spatial image projection apparatus according to claim 1, wherein the image (100) comprises a combination of a plurality of partial images. The method of claim 1, wherein the field-separating element (300) is one of a parallax barrier (310), a lenticular lens (320), and a prism array element (330) Device The prism array according to claim 1, wherein the prism array (400) comprises a transparent film (460) through which light is transmitted, and a prism (450) And the oblique separation element is disposed on one side in the longitudinal direction of the transparent film (460), and the oblique side faces forward. 5. The multi-directional spatial image projection apparatus according to claim 4, wherein a plurality of the prisms (450) are sequentially formed in the longitudinal direction of the transparent film (460)
KR1020150173555A 2015-12-07 2015-12-07 a multi-directional space image projection device with Viewing area separation device KR101768342B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190019321A (en) * 2017-08-17 2019-02-27 주식회사 케이티 Three-dimensional image projection apparatus
KR20190079175A (en) * 2017-12-27 2019-07-05 주식회사 케이티 Three-dimensional image projection apparatus
US11226492B2 (en) 2018-11-30 2022-01-18 Kt Corporation Three-dimensional image projection

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102286002B1 (en) * 2020-10-16 2021-08-03 심충건 Transparent billboard

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190019321A (en) * 2017-08-17 2019-02-27 주식회사 케이티 Three-dimensional image projection apparatus
KR20190079175A (en) * 2017-12-27 2019-07-05 주식회사 케이티 Three-dimensional image projection apparatus
US11226492B2 (en) 2018-11-30 2022-01-18 Kt Corporation Three-dimensional image projection

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