KR100902785B1 - Stereoscopic display device - Google Patents

Abstract

The present invention provides a liquid crystal panel for displaying an image having a backlight for supplying light, and a parallax barrier for recognizing an image of the liquid crystal panel in 2D or 3D, and adjusting a distance between the liquid crystal panel and the parallax barrier to adjust a stereoscopic image. UV epoxy to draw and bond with a seal line with a gap space formed between the liquid crystal panel and the parallax barrier and a space for controlling the actual width and spacing of the gap space and the parallax barrier so that the three-dimensional feeling is further improved. The present invention relates to a stereoscopic display and a method of manufacturing the same.

Accordingly, in the present invention, by adjusting the gap between the liquid crystal panel and the parallax barrier using UV epoxy formed by including a gap space and a spacer between the liquid crystal panel and the parallax barrier, the viewer can feel the stereoscopic feeling of the stereoscopic image. In addition, the liquid crystal panel and the parallax barrier maintain the horizontal flatness characteristic and have the effect of being bonded to each other.

Stereo, Image, Panel, Liquid Crystal, Parallax Barrier, UV Epoxy, Spacer

Description

 Stereoscopic image display device {Stereoscopic image display device}

1 is a cross-sectional view showing a three-dimensional image display device of the parallax barrier type

2 is a diagram showing design parameters of a stereoscopic barrier type stereoscopic image display device;

3 is a view illustrating a case of 2D mode and 3D mode of a stereoscopic image display device;

4 is a cross-sectional view showing a stereoscopic image display according to an embodiment of the present invention;

5 is a configuration diagram in which a gap space according to FIG. 4 of the present invention is formed;

6 is a view showing the function of the spacer formed in the UV epoxy according to Figure 4 or 5 of the present invention

7 is a view showing the shape of the spacer according to Figure 4 or 5 of the present invention;

8 is a cross-sectional view showing a stereoscopic image display using a double-sided tape according to another embodiment of the present invention

9 is a flowchart illustrating a method of manufacturing a stereoscopic image display according to another embodiment of the present invention.

* Description of the main drawing codes *

100: liquid crystal panel 110: backlight

200: Parallax Barrier 210: Polarizer

300: gap space 400: UV epoxy

410: spacer 500: double-sided tape

The present invention relates to a stereoscopic image display, and more particularly, a liquid crystal panel having a backlight for supplying light, a parallax barrier for displaying an image in 2D or 3D, and a liquid crystal panel; It is provided with a gap space formed between the liquid crystal panel and the parallax barrier to adjust the spacing of the parallax barrier to further improve the three-dimensional image of the stereoscopic barrier, and a spacer for controlling the actual width and spacing of the liquid crystal panel and the gap space and the parallax barrier. The present invention relates to a three-dimensional image display and a method of manufacturing the same, characterized in that the UV epoxy having a flatness characteristic and bonded by a seal line drawing.

As a technology related to a conventional parallax barrier liquid crystal panel for a stereoscopic image display device and a method of manufacturing the same, Korean Laid-Open Patent Publication No. 10-2006-0078165 supplies light from a main liquid crystal panel displaying a planar image and a rear surface of the main liquid crystal panel. A parallax barrier liquid crystal panel interposed between backlights to allow a planar image of the main liquid crystal panel to be recognized by an observer in 2D or 3D, and is divided into an active region and an inactive region surrounding the same. First to third wiring patterns formed on the first substrate, the inactive region on one surface of the first substrate, and the transparent barrier electrode connected to the first wiring pattern and arranged in a stripe shape in the active region, and the second and third First and second transmission electrodes respectively connected to a wiring pattern and arranged in a stripe form between the barrier electrodes of the active region; A parallax barrier liquid crystal panel for a stereoscopic image display device including a second substrate facing the first substrate and having a common electrode formed on an inner surface thereof, and a liquid crystal layer interposed between the first and second substrates.

However, since the conventional technology is limited only to the function of freely converting the planar image of the liquid crystal panel into the 2D and 3D modes, there is a limitation regarding setting and changing the distance between the liquid crystal panel and the parallax barrier, which are important in the stereoscopic image. There was a problem that follows.

Accordingly, the present invention has been made to solve the above problems, an object of the present invention is to use a UV epoxy formed between the liquid crystal panel and the parallax barrier containing a spacer and the gap between the liquid crystal panel and the parallax barrier. By adjusting, the viewer can feel the stereoscopic feeling of the stereoscopic image, and the object is to provide a stereoscopic image display and a method of manufacturing the liquid crystal panel and the parallax barrier are bonded to each other while maintaining the horizontal flatness characteristics.

In order to achieve the above object, a stereoscopic image display according to an embodiment of the present invention includes a liquid crystal panel for displaying an image having a backlight for supplying light, a parallax barrier for recognizing an image of the liquid crystal panel, and a liquid crystal panel and a parallax. It is characterized by consisting of UV epoxy to bond the lax barrier to the seal line drawing.

According to one embodiment of the present invention, the UV epoxy is characterized in that it comprises a spacer of 0.1 ~ 20wt% for controlling the actual width and the space to be bonded.

According to an embodiment of the present invention, the spacer is characterized in that the material of glass, ceramic and acrylic.

According to an embodiment of the present invention, the spacer is characterized in that it is made of a spherical shape, a cube, a cube and a cylindrical shape.

According to an embodiment of the present invention, the parallax barrier is used for LCD, PDP, OLED, projector and FED.

According to another embodiment of the present invention, a liquid crystal panel including a backlight for supplying light to display an image, a parallax barrier for recognizing the image of the liquid crystal panel, and a double-sided tape for bonding the liquid crystal panel and the parallax barrier to each other are provided. It is characterized by.

According to another embodiment of the present invention, a gap space is further provided between the liquid crystal panel and the parallax barrier by bonding the double-sided tape between the liquid crystal panel and the parallax barrier.

According to another embodiment of the present invention, the gap space is characterized in that the interval of 1 ~ 10mm.

According to another embodiment of the present invention, the gap space is characterized in that the material of transparent glass or acrylic.

According to another embodiment of the present invention, the parallax barrier is used for LCD, PDP, OLED, projector and FED.

According to another embodiment of the present invention, the double-sided tape is formed of a bonding material on both sides, and has a thickness of 10 to 300 μm.

According to another embodiment of the present invention, the first step of forming a liquid crystal panel having a backlight built-in on one side and drawing the UV epoxy formed with a seal line on the other side of the liquid crystal panel in which the backlight is built on one side with a seal line Drawing a UV epoxy seal line on the other side of the gap space bonded to the liquid crystal panel and the third step spaced apart by the interval of the spacer in the second step and the UV epoxy drawn by the seal line The fourth step and the UV epoxy drawn by the seal line is spaced apart at the interval of the spacer is a parallax barrier is bonded to the gap space and characterized in that it consists of a sixth step of curing and finishing the UV epoxy.

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

1 is a cross-sectional view showing a three-dimensional image display device of a parallax barrier type, the left eye pixel (L) for displaying the left-eye image information and the right eye pixel (R) for displaying the right-eye image information alternately in the liquid crystal panel 100. The backlight 100, which supplies light, is formed at a rear surface thereof. In addition, the parallax barrier 200 is positioned between the liquid crystal panel 100 and the observer to transmit and block light for each position, and selectively emits light from the left and right pixels L and R, respectively. Slits and barriers that pass and block are alternately formed.

At this time, the light passing through the left eye pixel L of the liquid crystal panel 110 among the light emitted from the backlight 110 reaches the observer's left eye through the slit of the parallax barrier 200. In addition, there is sufficient disparity information in the image displayed through each of the left and right pixels L and R so that the viewer can recognize the 3D stereoscopic image.

FIG. 2 is a diagram illustrating design parameters of a stereoscopic barrier type stereoscopic image display device. When the parallax barrier 200 is disposed in front of the liquid crystal panel 100, the design of the stereoscopic image display is S = 2P (VD). In this correlation, the distance between the liquid crystal panel 100 and the parallax barrier 200 is operated as an important variable for the viewer to feel a three-dimensional effect. Here, P is the pitch of the liquid crystal panel 100, S is the slit pitch, D is the distance from the liquid crystal panel 100 to the parallax barrier 200, V is the distance from the liquid crystal panel 100 to the observer.

FIG. 3 is a view illustrating 2D and 3D modes of the 3D image display device, and (a) shows that the linearly polarized light emitted from the liquid crystal panel 100 is changed only by 90 degrees when the parallax barrier filter is turned off. 2D-mode image can be seen, (b) is the liquid crystal molecules of the parallax barrier 200 when the parallax barrier filter is turned on because the direction of light does not change by the polarizer 210 in the horizontal direction The chip is cut off and acts as a filter, allowing you to see 3D-mode images.

4 is a cross-sectional view of a stereoscopic image display according to an embodiment of the present invention, which includes a backlight 110 for supplying light and displays an image of the liquid crystal panel 100 and the image of the liquid crystal panel 100 in 2D. Or a UV epoxy 400 bonding the parallax barrier 200 to be recognized in 3D and the liquid crystal panel 100 and the parallax barrier 200.

In more detail, light is provided from the backlight 110 to the liquid crystal panel 100, and the liquid crystal panel 100 is driven by pixels to implement an image. When a stereoscopic image signal is applied, the formed parallax is performed. The stereoscopic image is displayed through the lag barrier 200, the liquid crystal panel 100 and the parallax barrier 200 is bonded by the UV epoxy 400.

The parallax barrier 200 is used in the digital liquid crystal panel 100, and the liquid crystal panel 100 is divided into LCD, PDP, OLED, projector, and FED.

5 is a configuration diagram in which a gap space according to FIG. 4 of the present invention is formed, and includes a backlight 110 for supplying light to display an image of the liquid crystal panel 100 and an image of the liquid crystal panel 100 in 2D or FIG. Parallax Barrier 200 to be Recognized in 3D The liquid crystal panel 100 and the Parallax Barrier 200 are adjusted to further improve the stereoscopic effect of the stereoscopic image by adjusting the interval between the liquid crystal panel 100 and the Parallax barrier 200. The gap space 300 is formed between the UV panel 400 and the UV epoxy 400 bonding the gap space 300 and the parallax barrier 200.

In more detail, the gap space 300 may be adjusted to an interval of 1 to 10 mm by the thickness of the gap space 300 between the liquid crystal panel 100 and the parallax bayer 200.

In particular, the gap space 300 is formed in accordance with the design value between the liquid crystal panel 100 and the parallax barrier 200, the viewer can feel the three-dimensional feeling of the stereoscopic image more realistic.

In addition, the gap space 300 is sealed between the liquid crystal panel 100 and the parallax conveyor 200 with UV epoxy 400 to be sealed to be completely sealed, and the sealing process thus sealed is a liquid crystal. This is to protect from moisture or dust generated between the panel 100 and the parallax barrier 200.

In addition, the gap space 300 is made of a transparent glass or acrylic material.

6 is a view showing the function of the spacer formed in the UV epoxy according to FIG. 4 or 5 of the present invention, the outer surface of the liquid crystal panel 100 with a dispenser, the gap space 300 or parallax barrier ( 200) put on and aligned to join the curing machine, the actual width of the bonded portion is not constant as shown in (a). This is due to the flatness of the liquid crystal panel 100, the gap space 300 and the parallax barrier 200. To solve this problem, as shown in (b), the UV epoxy 400 is bonded with the seal width and spacing. By using the spacer 410 of 0.1 ~ 20wt% to control the UV epoxy 400 to control the constant spacing and seal width (Seal width) can be maintained.

In addition, the material of the spacer 410 may be used as a material of glass, ceramic, and acrylic.

7 is a view showing the shape of the spacer according to Figure 4 or 5 of the present invention, the shape of the spacer 410 included in the UV epoxy 400 can be used in the form of a sphere, a cube, a cube and a cylinder. .

In particular, the various types of spacers 410 are used in combination with UV epoxy, so that the gap between the liquid crystal panel 100 and the gap space 300 and the parallax barrier 200 that are bonded to the spread of the UV epoxy 400. It can be seen that adjustment is possible.

8 is a cross-sectional view showing a stereoscopic image display using a double-sided tape according to another embodiment of the present invention, the LCD panel 100 and the liquid crystal panel (100) for displaying an image having a backlight 110 for supplying light ( It consists of a parallax barrier 200 for recognizing an image of the 100 and a double-sided tape 500 for bonding the liquid crystal panel 100 and the parallax barrier 200.

More specifically, it is the same as the configuration of FIG. 4 and a double-sided tape 500 is formed in place of the UV epoxy 400.

In particular, the double-sided tape 500 can be repaired and maintained by a simple process. Therefore, since the double-sided tape 500 is used, cost in manufacturing a stereoscopic image display can be reduced.

In addition, the double-sided tape 500 is most preferably used in a medium panel of 15 to 21 inches, and it is most preferable to use a material in which UV epoxy 400 and space 410 are mixed in a panel of 15 inches or less. And, it is most preferable to use only the UV epoxy 400 itself in the panel of 3 inches or less.

In addition, the double-sided tape 500 is most preferably using a double-sided tape 500 having both sides made of a bonding material and the thickness of 10 ~ 300um.

9 is a flowchart illustrating a method of manufacturing a stereoscopic image display according to another embodiment of the present invention, in which a liquid crystal panel 100 having a backlight 110 is formed on one side (S10) and the one side. A second step (S20) of drawing the UV epoxy 400, which includes the spacer 410 on the other side of the liquid crystal panel 100 having the backlight 110 embedded therein in a solid line, and the UV epoxy drawn in the seal line. A third step (S30) in which the gap space 300 is bonded to the liquid crystal panel 100 by being spaced apart from the spacer 410 by a space between the 400 and the other side of the gap space 300 bonded by the UV epoxy 400. In the fourth step (S40) for drawing the UV epoxy 400 in the seal line and the UV epoxy 400 drawn in the seal line spaced apart at intervals of the spacer 410, the parallax barrier 200 is a gap space ( Finishing by curing the fifth step (S50) and the UV epoxy 400 is bonded to 300) A step 6 (S60).

In more detail, in the first step S10, the liquid crystal panel 100 in which the backlight 110 is built in one side is formed.

In the second step S20, the UV epoxy 400 including the spacer 410 on the other side of the liquid crystal panel 100 in which the backlight 110 is formed in the first step S10 is formed on the liquid crystal panel 100. It is drawing with a seal line on the outside.

The third step (S30) is a step of bonding the gap space 300 to the UV epoxy 400 drawn in the seal line in the second step (S20), by applying a pressure to the gap space 300 UV epoxy ( When the adhesive layer 400 is bonded to each other, the gap between the liquid crystal panel 100 and the gap space 300 is uniformly formed by the shape and height of the spacer 410 formed on the UV epoxy 400.

In the fourth step S40, the UV epoxy 400 including the spacer 410 is drawn in a gap line in the gap space 300 formed in the third step S30.

The fifth step (S50) is a step of bonding the parallax barrier 200 to the UV epoxy 400 drawn in the seal line in the fourth step (S40), by applying pressure to the parallax barrier 200 UV epoxy When the adhesive layer 400 is bonded to each other, the gap between the gap space 300 and the parallax barrier 200 is uniformly formed by the shape and height of the spacer 410 formed in the UV epoxy 400.

The sixth step (S60) is to harden the UV epoxy 400 to finish the fixing firmly.

The present invention has been described in detail so far, but the embodiments mentioned in the process are only illustrative and are not intended to be limiting, and the present invention is provided by the following claims and the technical spirit and field of the present invention. Within the scope not departing from the scope of the present invention, changes in the components that can be coped evenly will fall within the scope of the present invention.

 As described above, the present invention adjusts the distance between the liquid crystal panel and the parallax barrier using UV epoxy formed by including a gap space and a spacer between the liquid crystal panel and the parallax barrier, thereby allowing the viewer to further enhance the stereoscopic effect of the stereoscopic image. There is an effect that can be felt, and the liquid crystal panel and the parallax barrier maintain the horizontal flatness characteristics of each other, and has the effect of improving the image quality of the stereoscopic image display and increasing the yield of mass production.

Claims (12)

A liquid crystal panel having a backlight for supplying light on one side to display an image; A parallax barrier for filtering an image of the liquid crystal panel by an on / off operation of a barrier filter so that the image of the liquid crystal panel is recognized as 2D or 3D; A gap space made of transparent glass or acrylic material for controlling a gap between the liquid crystal panel and the parallax barrier by a thickness inserted between the liquid crystal panel and the parallax barrier; And It is formed of any one of a cube, a cube and a cylindrical shape, and composed of a UV epoxy containing 0.1 to 20wt% of a spacer made of any one material of glass, ceramic and acrylic; The UV epoxy is drawn in a seal line on the other side of the liquid crystal panel to seal-bond the liquid crystal panel and the gap space, and is drawn in a seal line on the other side of the gap space to bond the gap space and the parallax barrier; The gap and the bonding interval between the liquid crystal panel and the gap space and between the gap space and the parallax barrier are controlled by a spacer included in the UV epoxy, thereby controlling the gap between the liquid crystal panel and the parallax barrier to be dually controlled. Stereoscopic image display, characterized in that; delete delete delete delete delete delete delete delete delete delete A first step of forming a liquid crystal panel configured to display an image by embedding a backlight for supplying light to one side; In order to control the gap space for adjusting the gap between the liquid crystal panel and the parallax barrier by the thickness, and to control the actual width and the bonding distance between the liquid crystal panel, and to adjust the gap between the liquid crystal panel and the parallax barrier double, The liquid crystal panel includes a UV epoxy including a spacer formed of any one of a cube, a cube, and a cylinder, and having a spacer of 0.1 to 20 wt% made of any one of glass, ceramic, and acrylic. A second step of drawing on the other side by a seal line; A third step of bonding the gap space to the liquid crystal panel spaced apart from each other at intervals of the spacer of the UV epoxy drawn by the seal line; Sealing the UV epoxy including the spacer on the other side of the gap space to control the gap between the gap space and the parallax barrier and the gap between the liquid crystal panel and the parallax barrier to control the gap between the liquid crystal panel and the parallax barrier. Drawing with a fourth step; A fifth step of bonding the parallax barrier to the gap space at intervals of a spacer included in the UV epoxy drawn on the other side of the gap space; And Method for producing a three-dimensional image display, characterized in that consisting of a sixth step of curing the UV epoxy finish.

Images