KR100459272B1 - The equipment of many dimersion display - Google Patents

Abstract

The present invention relates to a multi-dimensional display device, and more particularly to a multi-dimensional display device capable of two-dimensional or three-dimensional multi-dimensional display by a beam splitter for separating the light source using only one display device. Such a multi-dimensional display device of the present invention comprises a display device for generating a light source, a beam splitter for separating and outputting the light sources of the display device in different first and second directions, and the first display device. A first reflection magnification mirror that reflects and enlarges the light source separated in one direction in a direction in which the light source is output, and reflects and enlarges the light source separated in the second direction in a direction in which the light source is output And a second reflection magnifying mirror.

Description

Multi-dimensional display device {The equipment of many dimersion display}

The present invention relates to a multi-dimensional display device, and more particularly to a multi-dimensional display device capable of two-dimensional or three-dimensional multi-dimensional display by a beam splitter for separating the light source using only one display device.

Currently, virtual reality, medical, and simulation systems have limited use of head mount displays (HMDs) similar to personal mount displays (PMDs), but are becoming slow to popularize due to price obstacles.

However, it can be expected that PMD devices will be used as the screens when portable computers become commercially available.

HMD, similar to PMD, can be divided into monocular and binocular, and the monocular is composed of an optical system separately for each eye, and a single optical system is composed of one eye. It is a way to do only, binocular expression is to configure the system so that the displayed image corresponding to each eye is complemented in both eyes.

In addition, the binocular display method can be divided into a stereo (stereo) method and a bi-ocular (bi-ocular) method.

The biocula method refers to the case where the images corresponding to the left and right eyes are the same, and the stereo method makes the depths by matching the same stores corresponding to the eyes with the left and right eyes corresponding to each image corresponding to the left and right eyes slightly different. In this way, a 3D image can be viewed.

CRT (Cathode Ray Tube) and flat panel display (mainly Liquid Crystal Display) have been used as the display elements of HMD devices, and flat panel displays are mainly used due to the volume, weight, and size, which are disadvantages of CRT.

Currently, HMD products, which are limitedly produced and marketed in the United States, Japan, and Korea, are mainly focused on the development of display devices for high resolution, low optical distortion, and low weight of optical designs and products with low image distortion.

In general, two LCDs having a size of 0.7 to 3.3 inches are used as display devices, and a variety of products are commercially available, ranging in weight from 36g to 1000g.

Hereinafter, a head mounted display (HMD) device according to the related art will be described with reference to the accompanying drawings.

1 is a view for explaining a head mounted display device according to the prior art.

FIG. 1 is a display element of a currently produced HMD device, which is made by using two displays, namely two corresponding to the left and right eyes. As shown in FIG. 1, the head mounted display device according to the related art displays the screens displayed on the first and second LCDs 101 and 101 'and the first and second LCDs 101 and 101' at an appropriate size and at an appropriate distance. It consists of first and second magnifiers 102 and 102 'that make them visible.

In the head mounted display device according to the related art, two LCDs are used as display devices. In general, a high LCD price results in a high production cost, which in turn results in a high consumer price, including a head mounted display device. There has been a problem that makes popularization of a multi-dimensional display device difficult.

An object of the present invention is to solve the above-mentioned problems of the prior art, by using only one display device as a light source, and to separate the output light source through a beam splitter, and finally combined by two-dimensional Another object of the present invention is to provide a multi-dimensional display device capable of displaying a light source output from one display in three-dimensional multi-dimensional.

A feature of the present invention for achieving the above object is that the multi-dimensional display device according to the present invention, one display device for generating a light source and the light source of the display device in a different first, second direction A beam splitter for splitting and outputting the beam splitter, a first reflection magnifying mirror for reflecting and expanding the light source separated and output in the first direction in a direction in which the light source is output, and a split output in the second direction And a second reflection magnifying mirror configured to reflect and extend the light source in the direction in which the light source is output.

Preferably, the beam splitter is made of a material having a semi-transmissive, when the light source is received, a portion of the light source is reflected at the incident surface of the beam splitter and output to the first reflection magnifying mirror, the remaining part of the light source It is made of a material that is reflected from the exit surface of the beam splitter and output to the second reflection magnification mirror.

Preferably, the beam splitter is configured such that a light source reflected at the entrance face of the beam splitter and a light source reflected at the exit face are output at the same angle to the first and second reflection magnifying mirrors, respectively.

Preferably, the light sources output from the beam splitter to the first and second reflection magnification mirrors are output to have parallel angles at the incidence plane and the exit plane of the beam splitter, and the first reflection magnification mirror and the second reflection. Reflected and enlarged in the magnification mirror, respectively, and configured to display a multi-dimensional image as two light sources exit to an arbitrary space. In this case, the multi-dimensional image is one of a two-dimensional or three-dimensional image.

The exit surfaces of the first and second reflection magnifying mirrors are composed of convex lenses.

Preferably, the first and second reflection magnifying mirrors include: a first surface for transmitting a light source incident from the beam splitter, a second surface for internally reflecting a light source passing through the first surface according to a formation surface; A third surface for reflecting the light source reflected from the second surface 90 ° above or below, a fourth surface for internally reflecting the light source reflected at 90 ° from the third surface according to the forming surface, and at the fourth surface It consists of convex lenses which extend the internally reflected light source to an arbitrary space and emit it.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments taken in conjunction with the accompanying drawings.

1 is a view for explaining a head mounted display (HMD) device according to the prior art

2 is a diagram illustrating a multi-dimensional display device according to a first embodiment of the present invention.

3 is a plan view of the multi-dimensional display device shown in FIG.

4 is a front view of the multi-dimensional display device shown in FIG.

5 is a side view of the multi-dimensional display device shown in FIG.

6 illustrates a multi-dimensional display apparatus according to a second embodiment of the present invention.

Hereinafter, a multidimensional display apparatus of the present invention will be described with reference to the accompanying drawings.

2 is a view showing a multi-dimensional display device according to a first embodiment of the present invention, FIG. 3 is a plan view of the multi-dimensional display device shown in FIG. 2, FIG. 4 is a front view of the multi-dimensional display device shown in FIG. It is a side view of the multidimensional display apparatus shown in FIG.

In the multi-dimensional display device according to the present invention, as shown in Figs. 2 to 5, one display device 10 for generating a light source and the first and second light sources of the display device 10 are different from each other. A beam splitter 20 for splitting and outputting in two directions, a first reflection magnifying mirror 30 for reflecting and expanding and outputting a light source separated and output in the first direction in a direction in which the light source is output; And a second reflection magnifying mirror 40 for reflecting and expanding the light source separated and output in the second direction in the direction in which the light source is output.

Here, the beam splitter 20 is made of a material having a semi-transmissive, when the light source is received, a portion of the light source (preferably, 50% of the light source) is the incident surface 21 of the beam splitter 20 Reflects the light to the first reflection magnification mirror 30, and the remaining part (50%) of the light source is reflected at the exit surface 22 of the beam splitter 20 so as to reflect the second reflection magnification mirror 40. And a light source reflected from the incident surface 21 of the beam splitter 20 and a light source reflected from the exit surface 22 are respectively the first and second reflection magnifying mirrors 30 and 40. It is configured to output at the same angle as.

The first and second reflection magnifying mirrors 30 and 40 are formed on both sides of the beam splitter 20 in a symmetrical shape.

The display device can be composed of an LCD, an organic light emitting element (organic EL), or the like.

In this case, when the reflection and magnification of the light source reflected from the front surface of the beam splitter 20 based on the first reflection magnification mirror 30 are described, the light source reflected from the beam splitter 20 may be the first reflection magnification mirror 30. When incident on the side surface 31 of FIG. 3 (see the top view of FIG. 3 and the side view of FIG. 5), the front surface 32 reflects internally to the first rear surface 33 according to the formation surface, and the first rear surface 33 Reflected by 90 ° to the second back 34. Finally, the second rear surface 34 transmits the light source according to the formation surface by the convex lens 35, and the transmitted light source is enlarged in the convex lens 35 to transmit the light source to the outside, and the user sees, for example, the left eye. You will see through.

The second reflection magnifying mirror 40 reflects and enlarges the light source reflected from the rear side of the beam splitter 20. First, the light source reflected from the beam splitter 20 is the side surface 41 of the second reflection magnifying mirror 40. (See the top view of FIG. 3 and the side view of FIG. 5), the internal reflection from the front face 42 is transmitted to the first rear face 43, and the second rear face 44 is reflected by 90 ° from the first rear face 43. ). Finally, the second rear surface 44 transmits the light source to the convex lens 45, and the transmitted light source is enlarged in the convex lens 45 to transmit the light source to the outside, which the user sees with the right eye, for example.

FIG. 6 shows a multi-dimensional display device according to a second embodiment of the present invention. It can be seen that the beam splitter 30 is formed longer up and down than the beam splitter 30 of the first embodiment.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

Such a multi-dimensional display device of the present invention uses a single LCD as a display device, thereby lowering the production cost, which can facilitate the popularization of a multi-dimensional display device including a head mounted display by eventually setting a low-cost consumer price. .

Claims (8)

A display device for generating a light source; When the light source of the display device is received, a part of the light source is reflected at the incident surface of the beam splitter and output in the first direction, and the remaining part of the light source is reflected at the exit surface of the beam splitter and output in the second direction. A beam splitter made of material; A first reflection magnifying mirror configured to receive the light source separated in the first direction, reflect the light source in the direction in which the light source is output, and have an exit surface convex to enlarge and output the light source; And a second reflection magnifying mirror configured to receive the light source separated in the second direction, reflect the light source in the direction in which the light source is output, and emit a convex surface to enlarge and output the light source. Device. The multi-dimensional display apparatus of claim 1, wherein the beam splitter is made of a material having transflectivity. (delete) The light source of claim 1, wherein the light sources output from the beam splitter to the first and second reflection magnification mirrors are output to have parallel angles at entrance and exit surfaces of the beam splitter. And reflecting and enlarging the second reflection magnification mirrors so that the two light sources are emitted to an arbitrary space so that a multi-dimensional image is displayed. The multidimensional display apparatus of claim 4, wherein the multidimensional image is one of a two-dimensional and a three-dimensional image. (delete) The multi-dimensional display device of claim 1, wherein the display device comprises one of a liquid crystal display device and an organic light emitting device. The method of claim 1, wherein the first and second reflection magnifying mirror, A first surface through which a light source incident from the beam splitter is transmitted; A second surface for internally reflecting the light source passing through the first surface along the forming surface; A third surface for reflecting the light source reflected from the second surface upwardly or downwardly by 90 °; A fourth surface for internally reflecting the light source reflected at 90 ° from the third surface according to the formation surface; And a convex lens configured to extend the light reflected from the fourth surface to an arbitrary space and to emit the light.