KR20160091498A - Three dimensional image display device - Google Patents

Abstract

The present invention relates to a three dimensional (3D) image display device capable of improving a 3D image display quality by preventing bending of a completed panel and accordingly restricting light leakage, which includes a display panel and components attached thereto, when heat is generated in the display panel displaying an image, or when the display panel undergoes a reliability test under high temperature and high humidity environment. The 3D image display device comprises: a display panel; a gap film installed on the front part of the display panel; a lenticular film installed on the front part of the gap film, and including a base part and multiple lenticular lenses installed on the front part of the base part; and a first auxiliary film formed by the same material as that of the gap film and having the same thickness as that of the gap film, and installed on the rear part of the display panel. Therefore, the first auxiliary film having the same material and thickness as that of the gap film is attached to the rear part of the display panel, and accordingly a front part and a rear part thereof have a similar environment with respect to the display panel, so bending of the completed panel is lowered or prevented. Moreover, light leakage is restricted accordingly, so display quality in implementing a 3D image is improved.

Description

[0001] The present invention relates to a three-dimensional image display device,

The present invention relates to a 3D image display apparatus and, more particularly, to a 3D image display apparatus which prevents deflection of a finished panel including a display panel and components mounted thereon during a heat test of an image display panel or a reliability test in an atmosphere of high temperature and high humidity And to a 3D image display device capable of suppressing light leakage thereby improving the quality of 3D image display.

2. Description of the Related Art [0002] In recent years, a display device capable of three-dimensional image display has been commercialized in response to an increase in demand for a display device capable of realizing a stereoscopic image and realizing a three-dimensional image.

Generally, three-dimensional images are made by the principle of stereoscopic vision through two eyes. By using binocular disparity, which is caused by the difference in time between two eyes, ie, the distance between two eyes is about 65 mm, A display device capable of displaying an image having a certain size has been proposed.

To describe the 3D image in a more detailed manner, the left and right eyes facing the display device respectively see different two-dimensional images. When these two images are transmitted to the brain through the retina, the brain fuses them exactly to each other, Dimensional depth of the 3D image and the sense of reality of the 3D image. Such a phenomenon is generally referred to as stereography.

As a technique proposed for displaying a three-dimensional stereoscopic image in an apparatus having a two-dimensional image display screen such as a liquid crystal display apparatus, there are a stereoscopic image display by special glasses, a non-stereoscopic stereoscopic image display, and a holographic display system .

The stereoscopic image display system using the double special glasses includes a polarizing glasses system using a vibration direction or a rotation direction of polarized light, a time division spectacle system in which left and right images are alternately presented while being switched to each other, and a system of transmitting light of different brightness in the right and left Can be divided into the concentration difference method.

In the non-eye-hardened stereoscopic image display system, a parallax barrier system in which an image can be separated and observed through a vertical grid-like aperture in front of each image in the right and left eyes, a lenticular method using a lenticular film in which a cylindrical lens is arranged in a stripe arrangement, and an integral photography method using a fly-eye lens plate.

In addition, the holographic display method is classified into a laser light reproduction hologram and a white light reproduction hologram, in which a three-dimensional image having all factors such as focus adjustment, convergence angle, binocular parallax, and motion parallax are generated.

Since the manufacturing cost is relatively low among the various stereoscopic image display systems and stereoscopic images for left and right eyes can be separately viewed without requiring special glasses or the like, a three-dimensional image can be realized, A stereoscopic image display device of a lenticular system excellent in characteristics has recently attracted attention.

1 is a schematic cross-sectional view of a conventional lenticular type 3D image display apparatus.

As shown in the figure, a conventional general lenticular 3D image display device 1 includes a display panel 10 including a first and second substrates 12 and 14 and displaying a two-dimensional image, A gap film 20 provided on a front portion of the gap film 20 and a lenticular film 30 consisting of a plurality of lenticular lenses 30b having a predetermined width and a base portion 30a on the front portion of the gap film 20. [ ) Are provided.

A conventional three-dimensional image display device 1 having such a configuration is configured such that a two-dimensional image coming out from the display panel 10 passes through the lenticular film 30 and is used as a left eye image and a right eye image As the image is incident, the user can recognize the stereoscopic image by the binocular parallax, so that the user can appreciate the three-dimensional stereoscopic image.

The lenticular type three-dimensional image display device 1 of the non-eyeglass type is provided with a gap film 20 having a predetermined thickness between the display panel 10 and the lenticular film 30, The viewer) can view the three-dimensional image at an appropriate viewing distance of about 1.5 to 3 meters from the three-dimensional image display device 1. [

A conventional general lenticular three-dimensional image display device 1 having such a configuration has an asymmetric structure with respect to the display panel 10, and when the display panel 10 is driven for a long time, When the reliability evaluation is carried out in the atmosphere of high temperature and high humidity by the heat or the difference in the expansion coefficient of the gap film 20 and the second substrate 14 which is one component constituting the display panel 10, 10, the gap film 20, and the lenticular film 30, which are components attached thereto, are deflected to cause defects in the light leakage, thereby deteriorating the display quality of the three-dimensional image .

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a display device capable of preventing deflection of a display element during reliability evaluation or in driving for a long time in an atmosphere of high temperature and high humidity, And it is an object of the present invention to provide a 3D image display device capable of suppressing quality deterioration.

According to an aspect of the present invention, there is provided a 3D image display apparatus including a display panel, a gap film provided on a front surface of the display panel, A lenticular film made of a plurality of lenticular lenses provided on a front surface of the base part and a first auxiliary film made of the same material as the gap film on the rear surface of the display panel and having the same thickness as the gap film.

The first auxiliary film may further include a second auxiliary film having the same thickness as the base portion and made of the same material as the base portion of the lenticular film. At this time, the base portion is made of PET (poly ethylene terephthalate) and is thinner than the gap film.

Meanwhile, the gap film is made of PMMA (poly methyl methacrylate), and its thickness is preferably 0.5 to 2 mm.

The display panel may include a liquid crystal panel in which a liquid crystal layer is interposed between a first substrate and a second substrate, or a first substrate having an organic electroluminescent diode and a second substrate facing the organic electroluminescent device, It can be a panel.

The 3D image display apparatus according to the first embodiment of the present invention is characterized in that the first auxiliary film having the same material and the same thickness as the gap film is attached to the rear portion of the display panel, The warpage of the finished panel is reduced or prevented, thereby suppressing the light leakage, thereby improving the display quality of 3D image realization.

In the 3D image display apparatus according to the second embodiment of the present invention, the second auxiliary film having the same material and the same thickness as the base portion of the lenticular film is further attached to the base portion of the first auxiliary film, The finished panel including all the components attached to the display panel has a problem in that a reliability test for exposing to a high temperature and high humidity atmosphere for a long time or a heat generation It is possible to restrain the occurrence of warpage fundamentally, and furthermore, the warpage of the finished panel is fundamentally restrained, so that the deficiency of the light beam caused by the warp is fundamentally suppressed. Further, since the light leakage is suppressed, The display quality can be realized.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view of a conventional lenticular type 3D image display apparatus. FIG.
2 is a schematic exploded perspective view of a 3D image display apparatus according to a first embodiment of the present invention;
3A and 3B are schematic cross-sectional views of a 3D image display apparatus according to a first embodiment of the present invention, wherein FIG. 3A is a schematic cross-sectional view of a 3D image display apparatus when the display panel is a liquid crystal panel, FIG. 3 is a schematic cross-sectional view of a 3D image display device in the case of an organic light emitting device panel. FIG.
4 is a schematic exploded perspective view of a 3D image display apparatus according to a fourth embodiment of the present invention.
5A and 5B are schematic cross-sectional views of a 3D image display apparatus according to a second embodiment of the present invention, wherein FIG. 5A is a schematic cross-sectional view of a 3D image display apparatus when the display panel is a liquid crystal panel, FIG. 3 is a schematic cross-sectional view of a 3D image display device in the case of this organic light emitting device panel. FIG.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

FIG. 2 is a schematic exploded perspective view of a 3D image display device according to a first embodiment of the present invention. FIGS. 3A and 3B are schematic sectional views of a 3D image display device according to a first embodiment of the present invention, FIG. 3B is a schematic cross-sectional view of a 3D image display device in the case where the display panel is an organic light emitting device panel. FIG. Here, for convenience of explanation, the face that the user views the 3D image display device is defined as a front portion (or a top face portion), and the face opposite to the front face portion is defined as a rear face portion (or a bottom face portion).

As shown, the stereoscopic image display apparatus 101 according to the first embodiment of the present invention includes a display panel (display panel) 101 for displaying two-dimensional images of full color provided with a plurality of subpixels R, G, A gap film 120 disposed on a front surface of the display panel 110 and a second gap film 120 disposed on a rear surface of the display panel 110 and having the same material and thickness as the gap film 120, An auxiliary film AF1 and a lenticular film 130 including a plurality of lenticular lenses 135 positioned at a front surface of the gap film 120 and having a predetermined width.

In this case, the display panel 110 is a flat panel display panel having a light and thin shape, for example, a liquid crystal panel (110a in FIG. 3A) or an organic light emitting device panel (110B in FIG. 3B).

Referring to FIG. 3A, when the display panel 110 is a liquid crystal panel, the display panel 110 includes a first substrate 112 and a second substrate 114 that are bonded to each other with a liquid crystal layer (not shown) interposed therebetween.

Although not shown in the figure, a plurality of gate wirings (not shown) and data wirings (not shown) cross each other on the inner surface of the first substrate 112, which is usually called a lower substrate or an array substrate, (Not shown) is defined. In each sub-pixel (not shown), a switching thin film transistor (not shown) is provided as a switching element near the intersection of the gate wiring (not shown) and the data wiring (not shown) (Not shown) of the switching thin film transistor (not shown), and pixel electrodes (not shown) are formed in each subpixel (not shown).

At this time, in accordance with the driving mode of the liquid crystal panel 101, a common electrode (not shown) other than the pixel electrode (not shown) is disposed in the same layer as the pixel electrode (not shown) in each subpixel Or may be formed to overlap with the pixel electrode (not shown) through an insulating layer (not shown).

When the common electrode (not shown) is formed on the first substrate 112, common wirings (not shown) may be further provided in parallel with the gate wirings (not shown) Are electrically connected to the common wiring (not shown).

The liquid crystal panel 110a having such a configuration is further provided with first and second polarizing plates 119a and 119b on both outer sides in accordance with the operation characteristics thereof.

In addition, a backlight unit 140 may be provided on the rear surface of the liquid crystal panel 110a at a predetermined distance without being adhered to the liquid crystal panel 110a through an adhesive layer or the like. The backlight unit 140 has a characteristic configuration of the 3D image display apparatus 101 according to the first embodiment of the present invention and is disposed on the rear side of the first auxiliary film AF1 attached to the rear side of the display panel 110 Respectively.

When the display panel 110 is the liquid crystal panel 110a, the backlight unit 140 is further provided at a predetermined distance from the rear portion of the first auxiliary film AF1, Emitting device, which can not emit light by itself, and thus requires a separate light source.

The backlight unit 140 serves as a surface light source for supplying light to the rear portion of the liquid crystal panel 110a and includes a light source (not shown), a white or silver reflection plate 122, , And a plurality of optical sheets 124 interposed therebetween. In this case, the light source (not shown) may be a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp, a light emitting diode (LED) 160a. ≪ / RTI >

In recent years, the LED 160a, which is advantageous in light weight and thinness of a display device as a light source (not shown), has characteristics such as low power consumption and high reliability, is mainly used. . That is, the LED assembly 160 serving as the light source 160 includes a plurality of LEDs 160a emitting white light, an LED flexible printed circuit board (FPC) 160b on which the plurality of LEDs 160a are mounted, .

The LED assembly 160b is disposed on one side of the light guide plate 123 to face the light incident surface of the light guide plate 123 and includes a plurality of LEDs 160a and a plurality of LEDs 160a, And an LED FPC 160b.

At this time, each of the plurality of LEDs 160a includes an LED chip (not shown) that emits all the colors of RGB or emits white light, and emits white light toward the light incoming surface of the light guide plate 123 forward.

The plurality of LEDs 170 emit red, green, and blue, respectively, and the plurality of LEDs 160a emitting red, green, and blue light are simultaneously turned on, The white light may be realized.

3B, when the display panel 110 is an organic light emitting diode panel (110b in FIG. 3B), an organic light emitting diode (not shown) is formed for each subpixel (R, G, B in FIG. 2) And a second substrate 114 facing the first substrate 112 and serving as an encapsulation for preventing oxygen or moisture from penetrating the organic light emitting diode. 3A), the polarizers (119a and 119b in FIG. 3A) are not required, unlike the liquid crystal panel (110a in FIG. 3A) And 119b are omitted.

Although not shown in the drawings, the first substrate 112, which is called a light emitting element substrate, is provided with power wiring (not shown) in addition to gate wiring (not shown), data wiring (not shown) (Not shown) connected to the switching thin film transistor (not shown) and the power supply wiring (not shown) in addition to a switching thin film transistor (not shown) connected to the driving thin film transistor An organic light emitting diode (not shown) is connected to the first electrode (not shown) and has a structure in which a first electrode (not shown), an organic light emitting layer (not shown) and a second electrode

In the organic light emitting diode panel 110b, the second substrate 114 is deteriorated due to moisture and oxygen penetration when the organic light emitting diode (not shown) is exposed to the outside air. Therefore, And serves as an encapsulation of a light emitting diode (not shown).

Further, since the organic light emitting diode panel 110b is a self-light emitting device by providing the organic light emitting diode (not shown) that emits light by itself, a separate light source (not shown) Unlike the 3D image display apparatus 101 (FIG. 3A), the backlight unit is omitted from the back surface of the OLED panel 110b.

Referring to FIG. 2 and FIGS. 3A and 3B, in the display panel 110 such as the liquid crystal panel 110a (FIG. 3A) and the organic light emitting device panel 110b The first and second substrates 112 and 114 are made of glass.

Next, a gap film 120 is provided on the front portion of the display panel 110 having the above-described configuration. The gap film 120 is made of PMMA (poly methyl methacrylate) having transparency as one of the plastic materials. In addition, the gap film 120 is made of poly methyl methacrylate (PMMA) A thickness of about 0.5 to 2 mm is another characteristic.

Although not shown, a first adhesive layer (not shown) is formed between the gap film 120 and the display panel 110 so that the gap film 120 and the display panel 110 are adhered to each other, As shown in FIG. The first adhesive layer (not shown) is colorless and transparent, and is characterized in that it is made of a pressure sensitive adhesive (PSA) having a characteristic that an adhesive force is generated and sustained when a pressure is applied.

The first adhesive layer (not shown) is positioned between the gap film 120 and the display panel 110 so that the display panel 110 may be any panel or liquid crystal panel or organic light emitting device panel 110b The forming position may be different. That is, when the display panel 110 is a liquid crystal panel (110a in FIG. 3A), the display panel 110 is in direct contact with the first or second polarizing plates 119a and 119b Is in direct contact with the outer surface of the first substrate 112 or the second substrate 114 in the case of the organic light emitting diode panel 110b.

Next, a lenticular film 130 is attached to the front surface of the gap film 120. Although not shown, a second adhesive layer (not shown) made of PSA (Pressure Sensitive Adhesive), which is the same material as the first adhesive layer (not shown), is formed between the lenticular film 130 and the gap film 120 The gap film 120 and the lenticular film 130 are adhered to each other.

The lenticular film 130 is made of PET (poly ethylene terephthalate), and has a base part 130a in the form of a flat plate having a thickness of about 0.15 to 0.20 mm, And a plurality of lenticular lenses 130b made of a transparent resin on the base 130a and having a semicircular shape in cross section. The maximum height or radius of the lenticular lens 130b with respect to the surface of the base 130b is less than or equal to the thickness of the base 130a.

The plurality of lenticular lenses 130b of the lenticular film 130 may be arranged in the major axis direction y of the subpixels R, G, and B provided on the display panel 110, G and B of each of the plurality of lenticular lenses 130b in the minor axis direction x of the sub-pixels R, G, and B, And the horizontal width w of each of the sub-pixels R, G, and B is an integral multiple of the width in the minor axis direction x of each of the sub-pixels R, G,

The plurality of lenticular lenses 130b are inclined so as to have the first angle? With respect to the longitudinal direction of the subpixels R, G, and B provided on the display panel 110, that is, The slanted arrangement structure is to appropriately control the number of views for 3D video viewing.

In this case, the inclined first angle? Of the lenticular lens 130b with respect to the longitudinal direction (y direction) of the sub pixels R, G, and B in the lenticular film 130,

-----①

----- ①

Can be expressed as

Here, Pa refers to the short axis pitch of the subpixels (R, G, B), Pb is the long axis pitch of the subpixels (R, G, B), and M and N are arbitrary natural numbers When the lenticular lens 130b includes a plurality of subpixels R, G, and B as one group and the subpixels R, G, and B in the group when a group is exactly passed through the vertex in the diagonal direction, G and B in the minor axis direction B and the number of sub pixels R, G and B in the major axis direction y of the sub pixels R, G and B . At this time, normally, the M and N are set so as to satisfy the value of M / N = 2.

For example, in the case of the lenticular film 130, when the M / N value is assumed to be 2, the first angle θ is a value obtained by dividing a liquid crystal panel, which is a typical display panel 110, Axis pitch Pb is about three times as large as the minor axis pitch Pa in the case of R, G, and B, it can be seen that? = Tan ^-1 (1/6) have.

Typically, the non-eyeglass type 3D image display device has a number of views capable of viewing 5 to 9 3D images by the first angle adjustment.

In the 3D image display apparatus 101 according to the first embodiment of the present invention, the gap film (not shown) provided on the front surface of the display panel 110 is formed on the rear surface of the display panel 110 The first auxiliary film AF1 is formed of the same material as the first auxiliary film AF1 and has the same thickness.

A third adhesive layer (not shown) made of PSA (Pressure Sensitive Adhesive), which is the same material as the first adhesive layer (not shown), is formed between the display panel 110 and the first auxiliary film AF1 And the display panel 110 and the first auxiliary film AF1 are kept attached to each other by the third adhesive layer (not shown).

Although the first auxiliary film AF1 does not play any role in realizing the 3D image in the 3D image display device 101, the gap film 120 and the lenticular According to the configuration in which only the film 130 is provided, as described in the related art, when the reliability test is performed in a high-temperature atmosphere or when the 3D image display device is viewed for a long time, the 3D image display device, more precisely, (Refer to FIG. 3A), the display panel (10 in FIG. 1) except the backlight unit (see FIG. 3A in FIG. 3A) and the finished panel In the 3D image display apparatus 101 according to the first embodiment of the present invention, since it is a means for suppressing the occurrence of warpage of the finished panel 155 of the 3D image display apparatus 101, It is becoming one of the elements.

That is, in the case where the first auxiliary film AF1 is not provided as in the conventional 3D image display device (1 in FIG. 1), on the front face of the display panel (reference numeral 10 in FIG. 1) 1) and a lenticular film (30 in FIG. 1) are attached to the display panel (10 in FIG. 1), and no component is attached to the display panel (10 in FIG. 1) .

In this case, the degree to which the display panel (10 of FIG. 1) itself is expanded due to heat expansion and subsequent heat removal, and the gap film (20 of FIG. 1) attached to the display panel The final panel (55 in FIG. 1) is finally deflected due to the difference in degree of expansion and contraction of the curl film (30 in FIG. 1). In the 3D image display apparatus 101 according to the first embodiment of the present invention A first auxiliary film AF1 having the same material and the same thickness as the gap film 120 is attached to the rear portion of the display panel 110 so that the front and rear portions of the first and second auxiliary films AF1, The similar environment can be used to reduce or prevent the warping of the finished panel 155. [

In the case of the 3D image display apparatus 101 according to the first embodiment of the present invention having such a configuration, the finished panel 155 is attached to the front and rear portions of the display panel 110 with reference to the display panel 110 The lenticular film 130 is further provided on the front surface of the display panel 110 while the elements are similar to the symmetrical structure but the lenticular film 130 is further provided on the front surface of the display panel 110, Only the film AF1 is provided but no component corresponding to the lenticular film 130 is provided and the same symmetrical structure is not achieved.

The lenticular film 130 or more precisely the base portion 130a having a thickness of about 0.15 to 0.20 mm in the lenticular film 130 has a relative thickness to the gap film 120 having a thickness of 0.5 to 2 mm Even if the gap film 120 is very thin and does not greatly affect the warpage of the finished panel 155 in the atmosphere of high temperature and high humidity, And is involved in warpage.

Therefore, although the 3D image display apparatus according to the first embodiment of the present invention has the effect of reducing the light leakage by reducing the warp of the finished panel 155 compared to the conventional 3D image display apparatus (1 of FIG. 1) , The warpage of the finished panel 155 is not completely suppressed.

Therefore, the 3D image display apparatus 201 according to the second embodiment of the present invention, which can completely suppress warpage of the finished panel 155, is proposed.

5A and 5B are schematic cross-sectional views of a 3D image display apparatus according to a second embodiment of the present invention. FIG. 5A is a cross-sectional view of a 3D image display apparatus according to a second embodiment of the present invention. FIG. 5B is a schematic cross-sectional view of a 3D image display device when the display panel is an organic light-emitting device panel. FIG. Here, for convenience of explanation, the same reference numerals are given to the same constituent elements as those of the first embodiment, and only the different constituent elements are given new reference numerals or 100 to add the reference numerals.

The 3D image display apparatus 201 according to the second embodiment of the present invention includes a plurality of sub pixels R, G, and B similarly to the 3D image display apparatus 101 of FIG. 2 according to the first embodiment of the present invention described above, A display panel 110 for displaying a full-color two-dimensional image, a gap film 120 disposed on a front surface of the display panel 110, A lenticular film 130 having a base portion 130a and a plurality of lenticular lenses 130b having a predetermined width in a front portion of the base portion 130a; The first auxiliary film AF1 and the first auxiliary film AF1 have the same material and the same thickness as the gap film 120. The first auxiliary film AF1 is positioned on the rear side of the first auxiliary film AF1, 130a, and a second auxiliary film AF2 having the same thickness.

At this time, a fourth adhesive layer (not shown) made of the same material as that of the second adhesive layer (not shown), that is, a pressure sensitive adhesive (PSA), is formed between the first auxiliary film AF1 and the second auxiliary film AF2 The first auxiliary film AF1 and the second auxiliary film AF2 are adhered to each other.

The display panel 110 is a flat panel display panel 110 having a light and thin shape, and is, for example, a liquid crystal panel (110a in FIG. 5A) or an organic light emitting device panel (see 110B in FIG. 5B).

The 3D image display apparatus having such a configuration according to the second embodiment of the present invention includes a display panel 110, a gap film 120 and a lenticular film 130 attached to a front surface of the display panel 110, The first auxiliary film AF1 attached to the rear portion of the 3D image display device (101 in FIG. 2, 101a in FIG. 3A, 101b in FIG. 3B) according to the first embodiment of the present invention Therefore, the description of the same components will be omitted, and a description will be given focusing on a different configuration from the 3D image display device (101 in FIG. 2, 101a in FIG. 3A, and 101b in FIG. 3B) according to the first embodiment of the present invention do.

In the 3D image display apparatus 101 (101 in FIG. 2, 101a in FIG. 3A, and 101b in FIG. 3B) according to the second embodiment of the present invention, the display panel 110 includes a liquid crystal panel (110a in FIG. 5A, the first and second substrates 112 and 114 may be an element panel (110b in FIG. 5B). When the display panel 110 is a liquid crystal panel (110a in FIG. 5A) The first and second polarizers 119a and 119b are attached to the outer surface of the finished panel 255 and further the backlight unit 140 ).

5B). When the display panel 110 is an organic light emitting device panel (110b in FIG. 5B), the first and second polarizing plates (119a and 119b in FIG. 5A) and the backlight unit ) Constitute an omitted configuration.

4 and 5A and 5B, among the components provided in the 3D image display apparatus 201 (201 in FIG. 4, 201a in FIG. 5A and 201b in FIG. 5B) according to the second embodiment of the present invention, The most distinctive components of the 3D image display apparatus according to the first embodiment of the present invention (101 in FIG. 2, 101a in FIG. 3A, and 101b in FIG. 3B) Is an auxiliary film (AF2).

The second auxiliary film AF2 is made of the same material as the base 130a of the lenticular film 130 provided on the front surface of the display panel 110, that is, PET (poly ethylene terephthalate) And further has a thickness of about 0.15 to 0.20 mm at the same thickness as the base portion 130a of the lenticular film 130. [

In the 3D image display apparatus 201 (201a in FIG. 4, 201a in FIG. 5A, 201b in FIG. 5B) according to the second embodiment of the present invention having the above structure, a first adhesive layer A first auxiliary film AF1 having the same material and the same thickness as the gap film 120 is formed on the rear surface of the display panel 110 in correspondence with the third gap film 120 And a plurality of lenticular lenses 130b including a base portion 130a and a plurality of lenticular lenses 130b via a second adhesive layer (not shown) as a front portion of the gap film 120. [ The first auxiliary film AF1 is provided with the same material as the base portion 130a of the lenticular film 130 via a fourth adhesive layer (not shown) The second auxiliary film AF2 having the same thickness is provided, In its front part and rear part forms the same symmetrical configuration.

Therefore, the 3D image display apparatus 201 (201a in FIG. 4, 201a in FIG. 5A, and 201b in FIG. 5B) according to the second embodiment of the present invention having such a configuration is the same as the 3D image display apparatus according to the first embodiment (101a in FIG. 3A, 101B in FIG. 3B) is symmetrical with respect to the display panel 110. Therefore, all the components attached to the display panel 110 The finished panel 255 including the finished panel 255 can be originally restrained from being warped even if it is exposed to heat generated during a reliability inspection for a long time in an atmosphere of high temperature and high humidity or during driving for a long time, It has the effect of originally suppressing the defects of the light defects caused by the warp by originally suppressing the deflection, and further, the light leakage is suppressed, thereby realizing an excellent 3D image display quality.

The present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit and scope of the present invention.

101: 3D image display device
110: Display panel
112: first substrate
114: second substrate
120: gap film
130: Lenticular film
130a: base portion (of lenticular film)
130b: Lenticular lens (of lenticular film)
155: Finished panel
AF1: first auxiliary film
Pa: Short pitch of subpixels
Pb: the long axis pitch of the subpixel
R, G, and B:
x: direction of the short axis of the subpixel
y: the long axis direction of the subpixel
w: the horizontal width in the minor axis direction (x) of the subpixel of the lenticular lens
?: first angle

Claims (7)

A display panel;
A gap film provided on a front surface of the display panel;
A lenticular film provided on a front surface of the gap film and including a base and a plurality of lenticular lenses provided on a front surface of the base;
A first auxiliary film having the same thickness as the gap film and made of the same material as the gap film on the rear surface of the display panel,
And the 3D image display device.
The method according to claim 1,
And a second auxiliary film having the same thickness as the base portion and made of the same material as the base portion of the lenticular film on the first auxiliary film bottom portion.
3. The method of claim 2,
Wherein the base portion is made of PET (poly ethylene terephthalate).
The method of claim 3,
And the base portion has a thickness thinner than the gap film.
3. The method according to claim 1 or 2,
Wherein the gap film is made of poly methyl methacrylate (PMMA).
6. The method of claim 5,
Wherein the gap film has a thickness of 0.5 to 2 mm.
3. The method according to claim 1 or 2,
The display panel may include a liquid crystal panel having a liquid crystal layer interposed between a first substrate and a second substrate or a first substrate having an organic electroluminescent diode and a second substrate facing the organic electroluminescent device panel, 3D image display device.

Images