KR101501016B1 - 3 Dimension display apparatus - Google Patents

Abstract

The present invention relates to a 3D display device capable of realizing background images of various colors, including a video panel device for displaying left and right images such that left and right image columns are alternately displayed; A Parallax Barrier Device (hereinafter referred to as " Parallax Barrier ") which is installed in front of or behind the image panel device and partially blocks a specific portion of the image so that the left and right images of the viewer can be separately reached, ; And a background color lighting device installed at the rear of the image panel device and capable of displaying a plurality of colors so as to express various background colors and brightness of an image.

Description

[0001] The present invention relates to a 3D display device,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a 3D display device, and more particularly, to a 3D display device capable of realizing a background screen of various colors.

Various techniques have been proposed for a non-eyeglass stereoscopic image display device using a binocular parallax for a long time. Among the representative methods, there are a method in which a lenticular lens or a parallax barrier is installed at a certain distance on a two-dimensional image panel so that different image information is recognized in both left and right eyes of the observer, .

In general, a stereoscopic image display device using a parallax barrier is a technique of arranging narrow striped vertical slits for transmitting or blocking light at regular intervals and alternately arranging left and right images at appropriate intervals in front of or behind the vertical slits . Therefore, when viewed through this slit at a certain point, the left and right images are accurately separated by the geometrical optics, and the stereoscopic effect is felt. In other words, a striped parallax barrier optical plate functioning as a special glasses function is installed in front of the monitor screen so that the user can recognize the stereoscopic image without wearing glasses.

Most of the stereoscopic image display apparatus displays a stereoscopic image using binocular disparity.

On the other hand, advertisement apparatuses widely known to the public have been developed through a variety of display devices, including the stereoscopic image display device described above, to publicize companies, products, and various kinds of information to the public.

However, not only the stereoscopic image display apparatus but also various existing display apparatuses have been unable to provide the viewer with a new feeling, for example, a video content with a feeling of being strange, diverse, or attracting attention. Therefore, there is a problem in that it can not differentiate from existing products and can not provide a high-value display product because the product can not be upgraded.

The present invention is to solve various problems including the above problems, and it is possible to change the background color of the 3D image according to various conditions such as the surroundings and the image, so that it is possible to provide a viewer with new, colorful, And to provide a 3D display device capable of reproducing the 3D display device. However, these problems are exemplary and do not limit the scope of the present invention.

According to an aspect of the present invention, there is provided a 3D display device including: a display panel device for displaying left and right images such that left and right image columns are alternately displayed; A Parallax Barrier Device (hereinafter referred to as " Parallax Barrier ") which is installed in front of or behind the image panel device and partially blocks a specific portion of the image so that the left and right images of the viewer can be separately reached, ; And a background color lighting device installed at the rear of the image panel device and capable of displaying a plurality of colors so as to express various background colors and brightness of an image.

According to an aspect of the present invention, the image panel device includes at least a photographic plate, a liquid crystal display (LCD) panel, a transmissive LCD panel, and an organic light emitting diode (OLED) display panel in which left and right images are alternately displayed at left and right image pitches. A light emitting diode display panel, a plasma display panel (PDP), an electroluminescent display (EL) panel, and a combination thereof.

According to an aspect of the present invention, there is provided a parallax barrier device comprising: a power supply for supplying a power to a slit plate, a slit film, and an electrode in which a transparent portion and an opaque portion are arranged alternately with a barrier pitch, An LCD parallax barrier device which makes the liquid crystal layer opaque, a multi-LCD parallax barrier device which selectively supplies power to multiple electrodes to make the liquid crystal layer of a specific part transparent or opaque so as to have various barrier pitches depending on the user's position, It can be done by selecting one or more.

According to an aspect of the present invention, the background color lighting apparatus includes an edge type multicolor backlight unit in which at least one red light emitting element, a green light emitting element, and a blue light emitting element are arranged in a row on a side surface of a light guide plate .

According to an aspect of the present invention, the background color illumination device includes a direct-type multi-color backlight unit in which at least one red light-emitting device, green light-emitting device, and blue light- .

In addition, the 3D display device according to the present invention may be configured so as to obtain a complementary effect in which the color of the image changes or the boundary is more emphasized according to the background color of the left image and the right image, or a coloring effect in which the boundary of the image disappears And a background color controller connected to the image controller of the image panel device to apply a color control signal to the background color lighting device according to the shape and color of the left and right images.

In addition, the 3D display device according to the present invention may include a peripheral sensing optical sensor for sensing brightness or color of a day or night, a glow, a dawn, or surroundings; And a background color controller for applying a color control signal to the background color illumination device according to a detection signal applied from the ambient light sensor.

According to another aspect of the present invention, there is provided a 3D display device including: an image sensing optical sensor for sensing brightness or color of a left or right image; And a background color controller for applying a color control signal to the background color lighting device according to a sensing signal applied from the image sensing optical sensor.

According to an aspect of the present invention, the background-color illumination device includes a light-emitting element having a straight-line-oriented characteristic with at least one irradiation angle with respect to an installation surface of the support member so as to reach the surface of the left and right images respectively; . ≪ / RTI >

According to one embodiment of the present invention as described above, the product can be differentiated from the existing products, and the display product of high added value can be produced. Of course, the scope of the present invention is not limited by these effects.

1 is a cross-sectional view schematically illustrating a 3D display device according to some embodiments of the present invention.
2 is a cross-sectional view schematically illustrating a 3D display device according to some other embodiments of the present invention.
3 is a cross-sectional view schematically illustrating a 3D display device according to still another embodiment of the present invention.
4 is a cross-sectional view schematically illustrating a 3D display device according to still another embodiment of the present invention.
5 is a cross-sectional view schematically illustrating a 3D display device according to still another embodiment of the present invention.
6 is a cross-sectional view schematically illustrating a 3D display device according to still another embodiment of the present invention.
7 is a cross-sectional view schematically illustrating a 3D display device according to still another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, The present invention is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

It is to be understood that throughout the specification, when an element such as a film, region or substrate is referred to as being "on", "connected to", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

Also, relative terms such as "top" or "above" and "under" or "below" can be used herein to describe the relationship of certain elements to other elements as illustrated in the Figures. Relative terms are intended to include different orientations of the device in addition to those depicted in the Figures. For example, in the figures the elements are turned over so that the elements depicted as being on the top surface of the other elements are oriented on the bottom surface of the other elements. Thus, the example "top" may include both "under" and "top" directions depending on the particular orientation of the figure. If the elements are oriented in different directions (rotated 90 degrees with respect to the other direction), the relative descriptions used herein can be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise "and / or" comprising "when used herein should be interpreted as specifying the presence of stated shapes, numbers, steps, operations, elements, elements, and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

Figure 1 is a cross-sectional view schematically illustrating a 3D display device 100 in accordance with some embodiments of the present invention.

First, as shown in FIG. 1, a 3D display device 100 according to some embodiments of the present invention includes a video panel device 10, a Parallax Barrier device 20, Device 30 as shown in FIG.

1, the image panel device 10 displays left and right images so that the left image column L and the right image column R are alternately displayed, Type LCD panel 11 in which right images are alternately displayed with left and right image pitches P, respectively. In addition to the transmissive LCD panel 11, various types of photographic plates such as a photo plate, a Paint, an LCD (Liquid Crystal Display), an OLED (Organic Light Emitting Diode Display) panel in which a left image and a right image are alternately displayed at left and right image pitches , A PDP (Plasma Display Panel), and an EL (Electroluminescent Display) panel.

The parallax barrier apparatus 20 is installed at a predetermined distance d in front of or behind the video panel apparatus 10 and is provided with a left eye LE ) And the right eye (RE), respectively, so that the left and right images can be reached separately.

1, the parallax barrier apparatus 20 includes a slit plate 20-1 in which a transparent portion 20-1 and an opaque portion 20-2 are arranged alternately with a barrier pitch q 21). In addition, an LCD parallax barrier device which supplies power to the electrode instead of the slit plate 21 to make the liquid crystal layer of a specific part transparent or opaque can be applied.

Figure 6 is a cross-sectional view schematically illustrating a 3D display device 600 in accordance with some further embodiments of the present invention.

6, the parallax barrier device 20 of the 3D display device 600 according to some other embodiments of the present invention is configured to move the parallax barrier device 20 in accordance with the viewing distance D regardless of the position of the user (P1, P2, P3, and P4) are selectively supplied to the multiple electrodes E1, E2, E3, and E4 using the liquid crystal controller LC to maximize the 3D effect. A multiple LCD parallax barrier device 22 can be applied which makes the liquid crystal layer of a specific part transparent or opaque so as to have various barrier pitches q1 (q2) (q3) (q4) depending on its position. In addition, various types of image filters capable of realizing various slit shapes, transparent or translucent display devices, and the like can be applied.

Therefore, even if the viewing distance of the viewer is changed or the position is changed, an appropriate 3D effect can be obtained by implementing the appropriate barrier pitch q1 (q2) (q3) (q4) according to the position of the viewer.

1, the background color lighting apparatus 30 is installed in the rear of the image panel device 10 and displays a plurality of colors so as to express various background colors or brightness of the image Lt; / RTI >

1, the background color illumination device 30 includes at least one red light emitting device r, a green light emitting device g, and a blue light emitting device r b) may be arranged in a line.

Accordingly, a method of implementing the image of the 3D display device 100 according to some embodiments of the present invention will be described. The light generated in the background-color illuminator 30 is transmitted to the transparent part of the parallax barrier device 20 20-1 to reach the left eye LE and the right eye RE of the viewer. At this time, the light passing through the right image column R of the image panel device 10 reaches the right eye RE of the viewer, and the light passing through the left image column L of the image panel device 10 The left eye LE is reached. That is, the left and right images of the image panel device 10 are recognized to be slightly different from each other in the left and right sides of the viewer, so that the viewer can obtain image information having a three-dimensional effect.

At this time, a dimming effect of brightening or darkening the red, green, and blue light emitting devices r, g, and b of the backlight device 30 is adjusted The background color of the 3D image is changed by irradiating the parallax barrier device with the light of various colors and colors, and it is possible to give the viewer a viewing experience such as a new, colorful, lively, cool and new feeling.

The conditions necessary for a viewer to effectively sense a stereoscopic effect in the 3D display device 100 according to some embodiments of the present invention are d = (2n + 1) P (D + d) / S, q = 2P D + d) / D. D is the distance between the video panel device 10 and the parallax barrier device 20, q is the barrier patch, P is the distance between the left and right sides of the parallax barrier device 20, Image pitch.

2 is a cross-sectional view schematically depicting a 3D display device 200 according to some other embodiments of the present invention.

2, the background color illumination device 30 of the 3D display device 200 according to some other embodiments of the present invention includes at least one red light emitting device r, green A multi-color backlight unit 32 of a direct-type system in which a light-emitting element g and a blue light-emitting element b are provided in multiple rows on a support plate 32-1.

It is also possible to change the partial background color by changing the overall background color by using the multicolor backlight unit 32 of the direct lowering type.

3 is a cross-sectional view schematically depicting a 3D display device 300 according to some further embodiments of the present invention.

3, the 3D display device 300 according to some embodiments of the present invention may include a 3D display device 300 for displaying the left and right images, And a coloring effect for eliminating the boundary line of the image is obtained so that the background color lighting device is controlled in accordance with the shape and color of the left and right images, And a background color control unit 40 for applying a signal.

Therefore, it is possible to appropriately change the background color depending on the color, shape, or type of the currently reproduced image, thereby realizing a fantastic background color combined with the image.

4 is a cross-sectional view schematically illustrating a 3D display device 400 according to some further embodiments of the present invention.

4, the 3D display device 400 according to still another embodiment of the present invention includes a peripheral sensing optical sensor S1 for sensing the brightness or color of the surroundings such as day and evening, And a background color control unit 41 for applying a color control signal to the background color lighting device 30 according to a sensing signal applied from the ambient light sensor S1.

Accordingly, it is possible to appropriately change the background image according to the surrounding brightness or surrounding color, thereby realizing a fantastic background color associated with the surroundings.

5 is a cross-sectional view schematically depicting a 3D display device 500 in accordance with some further embodiments of the present invention.

5, the 3D display device 500 according to still another embodiment of the present invention includes an image sensing optical sensor S2 for sensing the brightness or color of the left or right image, And a background color control unit 42 for applying a color control signal to the background color lighting device 30 according to a sensing signal applied from the sensing optical sensor S2.

Therefore, even if it is not connected to the image control unit, a separate image sensing optical sensor S2 can be installed to suitably change the background color according to the color, shape, or type of the presently reproduced image, thereby realizing a fantastic background color combined with the image .

7 is a cross-sectional view schematically illustrating a 3D display device 700 according to still another embodiment of the present invention.

7, the background color illumination device 30 of the 3D display device 700 according to still another embodiment of the present invention includes a support member (not shown) so as to reach the surface of the left image and the right image, respectively, (33) having a straight-line-oriented characteristic with at least one irradiation angle (K1) (K2) with respect to the installation surface (33a) of the light source (33-1).

7, for example, light emitted from the light emitting element 33 having the irradiation angle K1 from among the light emitting elements 33 of the straight-forward tendency is reflected by the viewer's left eye LE, And the light emitted from the light emitting element 33 having the irradiation angle K2 reaches only the right eye RE of the viewer so that background colors of different colors are respectively reached in both sides of the viewer, If so, it may provide viewers with a novel experience in which the background color is varied and lively.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

L: Left image column
R: Right image column
10: Video panel device
LE: Left eye
RE: right eye
20: Parallax barrier device
30: Background color lighting device
100, 200, 300, 400, 500, 600, 700: 3D display device
P: Left and right image pitch
11: Transmissive LCD panel
20-1: transparent portion
20-2: opaque part
q: barrier pitch
21: Slit plate
LC: liquid crystal control unit
E1, E2, E3, E4: Multiple electrodes
P1, P2, P3, P4: Power supply
q1, q2, q3, q4: barrier pitch
22: Multiple LCD Parallax Barrier Device
31-1:
r: red light emitting element
g: green light emitting element
b: blue light emitting element
31, 32: multicolor backlight unit
32-1:
12:
40, 41, 42: background color control unit
S1: Ambient light sensor
S2: Image sensor
42: Background color control unit
33: Light emitting element
33-1: Support member
33a: Mounting surface
K1, K2: Irradiation angle

Claims (9)

A video panel device for displaying a left image and a right image so that the left image column and the right image column are alternately displayed;
A Parallax Barrier Device (hereinafter referred to as " Parallax Barrier ") which is installed in front of or behind the image panel device and partially blocks a specific portion of the image so that the left and right images of the viewer can be separately reached, ;
A background color lighting device installed at the rear of the image panel device and capable of displaying a plurality of colors so as to express various background colors or brightness of images; And
The left image and the right image are connected to the image control unit of the image panel device so as to obtain a complementary effect in which the color of the image changes or the boundary line becomes more conspicuous according to the background color, A background color controller for applying a color control signal to the background color lighting device according to the shape or color of the right image;
And a display device. A video panel device for displaying a left image and a right image so that the left image column and the right image column are alternately displayed;
A Parallax Barrier Device (hereinafter referred to as " Parallax Barrier ") which is installed in front of or behind the image panel device and partially blocks a specific portion of the image so that the left and right images of the viewer can be separately reached, ; And
A background color lighting device installed at the rear of the image panel device and capable of displaying a plurality of colors so as to express various background colors or brightness of images;
Lt; / RTI >
Wherein the background color illumination device includes a light emitting element having a straight-line propensity that has at least one irradiation angle with respect to an installation surface of the support member so as to reach the surface of the left image and the right image, respectively. 3. The method according to claim 1 or 2,
A liquid crystal display (LCD) panel, a transmissive LCD panel, an OLED (Organic Light Emitting Diode) panel, a PDP (plasma display panel), and the like, which are alternately displayed with left and right image pitches. Plasma Display Panel, EL (Electroluminescent Display) panel, and a combination thereof. 3. The method according to claim 1 or 2,
The parallax barrier device includes an LCD parallax barrier device for supplying power to a slit plate, a slit film, and electrodes, in which transparent portions and opaque portions are alternately arranged with a barrier pitch to make a liquid crystal layer of a specific portion transparent or opaque, A plurality of LCD parallax barrier devices which selectively supply power to the plurality of electrodes to make transparent or opaque liquid crystal layers of a specific portion so as to have various barrier pitches depending on the user's position, and combinations thereof. 3D display device. 3. The method according to claim 1 or 2,
The background color lighting apparatus includes:
And a multi-color backlight unit of an edge type in which at least one red light emitting element, a green light emitting element, and a blue light emitting element are arranged in a line on a side surface of the light guide plate. 3. The method according to claim 1 or 2,
The background color lighting apparatus includes:
And a multi-color backlight unit of a direct-type type in which at least one red light emitting element, a green light emitting element, and a blue light emitting element are provided in multiple rows on the rear surface of the image. The method according to claim 1,
And ambient light sensors that detect the brightness and color of the day or evening, the glow, the dawn, or the surroundings,
The background-
And applies a color control signal to the background color lighting device according to a sensing signal applied from the ambient light sensor. The method according to claim 1,
And an image sensing optical sensor for sensing brightness or color of the left or right image,
The background-
And applies a color control signal to the background color lighting device according to a sensing signal applied from the image sensing optical sensor. The method according to claim 1,
The background color lighting apparatus includes:
And a light-emitting element having a straight-line-oriented characteristic with at least one irradiation angle with respect to an installation surface of the support member so as to reach the surface of the left image and the right image, respectively.

Images