KR101905181B1 - Stereoscopic Image Display Device - Google Patents

Abstract

An embodiment of the present invention includes a liquid crystal panel including subpixels; And a pattern reliader film disposed on the liquid crystal panel, wherein the liquid crystal panel comprises: a first substrate; a wiring layer including data lines, gate lines, and common lines formed on the first substrate; Formed pixel electrodes; A second substrate facing the first substrate; a structure layer including black matrices and color filters formed on the second substrate; a first electrode formed on the structure layer and arranged in a direction crossing the data lines, And a transparent electrode including open regions in which a part of the corresponding region is removed.

Description

[0001] The present invention relates to a stereoscopic image display device,

An embodiment of the present invention relates to a stereoscopic image display device.

The stereoscopic image display device is divided into a stereoscopic technique and an autostereoscopic technique. The binocular parallax method uses the parallax images of the left and right eyes with large stereoscopic effects. In the binocular parallax system, there are a glasses system and a non-glasses system, and both systems are now practically used.

In the spectacle method, the polarizing direction of the right and left parallax images is changed in a time-division manner to a direct-view liquid crystal panel or a projector, and a stereoscopic image is implemented using polarizing glasses or liquid crystal shutter glasses. In the non-eyeglass system, an optical plate such as a parallax barrier for separating the optical axis of left and right parallax images is installed in front of or behind the liquid crystal panel.

Some of the eyeglass stereoscopic image display devices include a liquid crystal panel in which a part of the subpixels are displayed in black when operating in the 3D mode, and a left-eye image and a right-eye image displayed on the liquid crystal panel in a line-by-line manner Use a patterned retarder film.

When the stereoscopic image display apparatus described above operates in the 2D mode, all regions of the subpixels display an effective image, while when operating in the 3D mode, some regions of the subpixels display an ineffective image corresponding to black . To this end, a specific voltage is applied to the transparent electrodes formed on the upper substrate of the liquid crystal panel.

However, since the transparent electrodes formed on the upper substrate of the liquid crystal panel are formed by overlapping at least one of the data lines, the gate lines, and the common lines formed on the lower substrate, the R (resistance) C (capacitor) There is a need for improvement.

An embodiment of the present invention for solving the problems of the background art described above is to provide a stereoscopic image display device capable of reducing the RC rod and the parasitic capacitance component to improve the display quality.

According to an aspect of the present invention, there is provided a liquid crystal display device comprising: a liquid crystal panel including subpixels; And a pattern reliader film disposed on the liquid crystal panel, wherein the liquid crystal panel comprises: a first substrate; a wiring layer including data lines, gate lines, and common lines formed on the first substrate; Formed pixel electrodes; A second substrate facing the first substrate; a structure layer including black matrices and color filters formed on the second substrate; a first electrode formed on the structure layer and arranged in a direction crossing the data lines, And a transparent electrode including open regions in which a part of the corresponding region is removed.

The transparent electrodes may be located in regions corresponding to black matrices.

The transparent electrodes may correspond to the area occupied by the black matrixes or occupy an area larger than the area occupied by the black matrixes.

When the liquid crystal panel displays the three-dimensional image, the transparent electrodes may be applied with a voltage such that black is displayed in the corresponding region.

The data lines may have an inclined angle with respect to the central area of the subpixels.

The open regions may be formed along the inclined angle of inclination of the data lines.

The open regions may be formed in the first side region adjacent to the common lines.

The open regions may be formed in a second side region that is non-conductive with the common lines.

Transparent electrodes are formed on the transparent electrodes, the first transparent electrodes having first open regions in which a part of the first side region is removed, and second transparent electrodes having second open regions in which a part of the second side region, Transparent electrodes, and the positions of the first and second open regions may be one or more same or different.

The transparent electrodes include connection regions for electrically connecting the transparent electrodes separated by the open regions and the open regions, wherein the size of the open regions may be larger than the size of the connection regions.

The embodiment of the present invention is a liquid crystal display device in which a transparent electrode formed on a color filter substrate is used to partially change a phase difference of a liquid crystal when a liquid crystal panel is driven in a 3D mode to form a stereoscopic image having an active black stripe for controlling a viewing angle with a patterned retarder film There is an effect of providing a display device. Also, the embodiments of the present invention can reduce the RC load and the parasitic capacitance components by minimizing overlap of the design of the transparent electrodes with the data lines and gate lines formed on the TFT substrate, There is an effect of providing a device.

1 is a schematic view of a stereoscopic image display apparatus.
FIG. 2 is a block diagram of a subpixel included in the liquid crystal panel of FIG. 1; FIG.
3 is a cross-sectional view of I1-I2 in Fig.
4 is a sectional view for explaining the operation of each mode of the stereoscopic image display apparatus of FIG.
5 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a first embodiment of the present invention.
6 is a view schematically showing the structure of the transparent electrodes of the first embodiment as compared with the comparative example.
7 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a second embodiment of the present invention.
8 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a third embodiment of the present invention.
9 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a fourth embodiment of the present invention.
10 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a fifth embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

≪ Embodiment 1 >

2 is a cross-sectional view of I1-I2 of FIG. 2, and FIG. 4 is a cross-sectional view of a liquid crystal panel of FIG. Sectional view for explaining the operation of each mode of the stereoscopic image display device of FIG.

As shown in FIG. 1, the stereoscopic image display device includes an image supply unit SBD, a timing control unit TCN, a driving unit DRV, a display panel PNL, a patterned retarder film FPR, .

The image supply unit (SBD) generates 2D image frame data in a two-dimensional mode (2D mode) and 3D image frame data in a three-dimensional mode (3D mode). The image supply unit SBD supplies the timing control unit TCN with timing signals and video frame data such as a vertical synchronization signal Vsync, a horizontal synchronization signal Hsync, a data enable signal DE and a main clock do.

The image supply unit SBD is selected in a 2D or 3D mode according to a user selection input through the user interface, generates image frame data corresponding thereto, and supplies the image frame data to the timing control unit TCN. The user interface includes user input means such as an OSD (On Screen Display), a remote controller, a keyboard, and a mouse. Hereinafter, an example will be described in which the image supply unit (SBD) is selected as the 3D mode and supplies the 3D image frame data to the timing control unit (TCN).

The timing control unit TCN receives 3D image frame data including left eye image frame data and right eye image frame data from the image supply unit SBD. The timing controller TCN alternately supplies the left eye image frame data and the right eye image frame data to the driver DRV at a frame frequency of 120 Hz or more. In addition, the timing control unit TCN supplies a control signal corresponding to the image frame data to the driving unit DRV.

The driving unit DRV includes a data driver connected to the data lines to supply a data signal, and a gate driver connected to the gate lines and supplying a gate signal. The data driver included in the driving unit DRV converts the digital left-eye and right-eye image frame data into analog left-eye and right-eye image frame data under the control of the timing control unit TCN and supplies them to the data lines. Alternatively, the gate driver included in the driver DRV sequentially supplies gate signals to the gate lines under the control of the timing controller TCN.

The patterned retarder film (FPR) displays the left eye image and the right eye image displayed on the liquid crystal panel (LCD) in a line-by-line manner and interlaces them. For this purpose, the patterned retarder film (FPR) polarizes the odd line (or the even line) to right circularly polarized light R and the even line (or odd line) to the left circularly polarized light L, Into a left eye image and a right eye image.

Polarized Glasses (GLS) separates the image emitted through the patterned retarder film (FPR) into a left eye image and a right eye image. The left eyeglass (LEFT) of the polarizing glasses (GLS) transmits only the left eye image emitted through the patterned retarder film (FPR). On the other hand, the right eye glasses RIGHT of the polarizing glasses GLS transmit only the right eye images emitted through the patterned retarder film FPR.

The display panel PNL includes subpixels receiving a gate signal and a data signal from the driving unit DRV and correspondingly displaying a two-dimensional image or a three-dimensional image. The display panel PNL is composed of a backlight unit BLU and a liquid crystal panel (LCD).

The backlight unit BLU is driven under the control of the image supply unit SBD or the timing control unit TCN to provide light to the liquid crystal panel LCD. The backlight unit BLU includes a light source for emitting light, a light guide plate for guiding the light emitted from the light source in the direction of the liquid crystal panel (LCD), and an optical member for diffusing and condensing the light emitted from the light guide plate.

The backlight unit (BLU) is composed of an edge type, a dual type, a quad type, and a direct type. In the edge type, a light source is arranged on one side of a liquid crystal panel (LCD), a dual type is a light source is arranged on both sides of a liquid crystal panel (LCD), and a quad type is a light source is arranged on all sides of a liquid crystal panel And the direct type is a type in which a light source is disposed below a liquid crystal panel (LCD).

A second substrate (hereinafter referred to as a "color filter substrate") on which a first substrate (hereinafter referred to as a "TFT substrate") having thin film transistors (TFTs) Quot;). A liquid crystal panel (LCD) includes subpixels including a liquid crystal layer formed between a TFT substrate and a color filter substrate. The liquid crystal panel (LCD) may be implemented in a liquid crystal mode such as TN (Twisted Nematic) mode IPS (In Plane Switching) mode and FFS (Fringe Field Switching) mode. The lower polarizer plate POL1 and the upper polarizer plate POL2 are attached to the TFT substrate and the color filter substrate of the liquid crystal panel (LCD). The lower polarizer POL1 polarizes the light emitted through the backlight unit BLU and the upper polarizer POL2 polarizes the light emitted through the liquid crystal panel LCD. The liquid crystal panel (LCD) configured as above can display an image by the light provided from the backlight unit (BLU).

The subpixels SP included in the liquid crystal panel LCD include data lines DL arranged in a first direction as shown in FIG. 2, gate lines GL arranged in a second direction intersecting the first direction, And the common line VCOML. The data line DL has an inclined angle with respect to one side (left or right) of the central area CA of the subpixel SP.

The subpixel SP includes a thin film transistor TFT (hereinafter referred to as a TFT) and a storage capacitor Cst formed at intersections of the data line DL and the gate line GL. The TFT includes a gate electrode GE connected to the gate line GL, a source electrode SE connected to the data line DL and a drain electrode DE connected to the pixel electrode PXL. The storage capacitor Cst is formed by a part of the pixel electrode PXL and a part of the common line VCOML.

The subpixel SP includes a common electrode Vcom connected to the common line VCOML in addition to the pixel electrode PXL. The liquid crystal is tilted by the electric field formed on the pixel electrode PXL and the common electrode Vcom. The pixel electrode PXL is formed with a first pixel electrode PXL1 connected to the drain electrode DE of the TFT through the contact hole CH and a second pixel electrode PXL1 formed with a slope with respect to the central region CA in the opening region, (PXL2). The common electrode Vcom includes a first common electrode Vcom1 connected to the common line VCOML and a second common electrode Vcom2 formed with a slope with respect to the central region CA in the opening region. The second pixel electrode PXL2 and the second common electrode Vcom2 are located in an alternating manner in the opening region.

The configurations included in the sub-pixel SP will now be described with reference to the cross-sectional view of FIG. On the TFT substrate GLS1, a gate electrode GE, a common line VCOML, and first and second common electrodes (not shown, Vcom2) are formed. A first insulating film (or gate insulating film) GI is formed on the gate electrode GE, the common line VCOML, and the first and second common electrodes (not shown). A semiconductor layer Sem and an ohmic contact layer Ohm (the ohmic contact layer may be omitted) are formed on the first insulating layer GI in a region corresponding to the gate electrode GE. A source electrode SE and a drain electrode DE are formed on the semiconductor layer Sem and the ohmic contact layer Ohm. A second insulating film (or protective film) PSI is formed on the source electrode SE and the drain electrode DE with a contact hole CH exposing a part of the drain electrode DE. A first pixel electrode PXL1 connected to the contact hole CH and a second pixel electrode PXL2 connected to the first pixel electrode PXL1 are provided on the second insulating film PSI. The pixel electrode PXL2 is formed. Meanwhile, the structure of the subpixel SP shown in the above description is only one example, but the present invention is not limited to this, and design modifications can be made in various forms.

Hereinafter, the structure of the stereoscopic image display device described above will be described in more detail.

4, the above-described stereoscopic image display device includes a backlight unit BLU, a lower polarizer POL1, a liquid crystal panel (LCD), an upper polarizer POL2, and a patterned retarder film FPR do.

The pixel electrodes PXL and the like are formed on the TFT substrate GLS1 of the liquid crystal panel LCD and the black matrices BM, the color filters CF and the transparent electrodes TCO are formed on the color filter substrate GLS2. . The black matrices BM are formed on the color filter substrate GLS2. The color filters CF are formed on the color filter substrate GLS2 located between the black matrices BM.

The transparent electrodes TCO are formed on a part of the black matrixes BM and the color filters CF. The transparent electrodes TCO may be transparent materials such as indium tin oxide (ITO), indium zinc oxide (IZO), and indium zinc tin oxide (IZTO). The transparent electrodes TCO are arranged in a second direction intersecting the data lines formed on the TFT substrate GLS1 and are formed adjacent to the gate lines or the common lines depending on positions.

The liquid crystal panel (LCD) exhibits different light transmission characteristics in the 2D mode (3D mode) and the 3D mode (3D mode).

When a liquid crystal panel (LCD) is driven in a 2D mode (2D mode), a specific voltage is supplied to the pixel electrodes PXL and common electrodes (not shown). At this time, the liquid crystal layer Clc located in all the opening regions of the subpixels is in the same tilt state due to the electric field between the pixel electrodes PXL and the common electrodes (not shown). Accordingly, the light incident from the backlight unit BLU is output through the pattern relief film FPR through all the opening areas of the subpixels included in the liquid crystal panel LCD.

In contrast, when the liquid crystal panel (LCD) is driven in the 3D mode, a specific voltage is supplied not only to the pixel electrodes XL and common electrodes (not shown) but also to the transparent electrodes TCO. At this time, the liquid crystal layer Clc located in a part of the subpixels by the electric field caught by the pixel electrodes PXL, the common electrodes (not shown) and the transparent electrodes TCO, Clc). Accordingly, the light incident from the backlight unit BLU is output through the pattern relief film FPR through a part of the opening area of the subpixels included in the liquid crystal panel (LCD).

In order to perform the above-described role, the transparent electrodes TCO are formed in a region corresponding to the black matrixes BM. The transparent electrodes TCO may correspond to or occupy an area occupied by the black matrixes BM.

When the left eye image and the right eye image are alternately displayed on a liquid crystal panel (LCD) in accordance with the structure as shown in FIGS. 1 to 4, the pattern relief film FPR separates the left eye image and the right eye image, Dimensional stereoscopic image through the polarizing glasses (GLS).

On the other hand, as can be seen from the above description, the liquid crystal panel (LCD) of the embodiment is characterized in that the transparent electrodes TCO formed on the black matrices BM and the color filters CF of the color filter substrate GLS2 The domain of the liquid crystal is varied by supplying a voltage.

The transparent electrodes TCO are configured to display a non-essential image in the corresponding region in a manner that the electric field with the pixel electrodes PXL is different when the liquid crystal panel LCD is driven in the 3D mode. The region SPA corresponding to the transparent electrodes TCO is a region for displaying 3D images and the region ABS corresponding to the transparent electrodes TCO is a region for displaying black. That is, the transparent electrodes TCO serve as an active black stripe preventing the coexistence of the left and right eye images when the liquid crystal panel (LCD) is driven in the 3D mode (3D mode).

Hereinafter, the structure of the transparent electrodes TCO formed on the liquid crystal panel of the stereoscopic image display apparatus according to the first embodiment of the present invention will be described in more detail.

5 is a view for explaining a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a first embodiment of the present invention, and FIG. 6 is a view schematically showing the structure of transparent electrodes of a first embodiment to be.

As shown in Fig. 5, the transparent electrodes TCO are formed on the color filter substrate in the second direction intersecting the data lines DL formed on the TFT substrate. The transparent electrodes TCO are electrically connected to the first and second open regions OPN1 and OPN2 and the transparent electrodes TCO separated by the first and second open regions OPN1 and OPN2, And regions CON are included.

When the first and second open regions OPN1 and OPN2 are formed in the transparent electrodes TCO, the R (resistance) C (capacitor) rod and the parasitic capacitance component R (resistance) generated in the overlap region crossing the data lines DL Can be reduced. To this end, the size (or area) of the first and second open areas OPN1 and OPN2 may be greater than the size (or area) of the connection areas CON.

Meanwhile, the data lines DL may have inclined angles with respect to a central region of the sub-pixels SP01 to SP13. In this case, the first and second transparent electrodes TCOU and TCOD, which are positioned at upper and lower portions with respect to the central region of the sub-pixels SP01 to SP13, 2 open regions OPN1 and OPN2 are formed to have inclined angles inclined along the inclined angle of the data lines DL.

The transparent electrodes TCO include first transparent electrodes TCOU having first open regions OPN1 in which a portion of the first side region is removed and first transparent electrodes TCOU having a portion of a second side region opposite to the first side region And second transparent electrodes TCOD having second open regions OPN2 where the second open regions OPN2 are removed.

As shown in Fig. 6 (a), the transparent electrodes TCO of the comparative example (a) are formed in a stripe form. Thus, the transparent electrodes TCO of Comparative Example (a) cause an increase in the RC load as it overlaps with one or more of the data lines, gate lines, and common lines.

6 (b), the transparent electrodes TCO of the first embodiment (b) are formed in a stripe shape, and the open regions OPN ). Therefore, the transparent electrodes TCO of the first embodiment (b) minimize the area overlapping with at least one of the data lines, the gate lines, and the common lines with respect to the comparative example (a), thereby reducing the RC load can do.

Meanwhile, in the first embodiment of the present invention, the transparent electrodes TCO are divided into upper and lower portions based on the central region of the subpixels SP01 to SP13. When the liquid crystal panel (LCD) of the structure operates in the 3D mode, a specific voltage is supplied to both the first transparent electrodes TCOU and the second transparent electrodes TCOD, or a specific voltage is selectively supplied to only one of the first transparent electrodes TCOU and the second transparent electrodes TCOD . Alternatively, the transparent electrodes TCO may be selectively positioned only on the upper and lower portions with respect to the central region of the sub-pixels SP01 to SP13. That is, in the first embodiment of the present invention, when the liquid crystal panel (LCD) operates in the 3D mode by using the transparent electrodes TCO formed corresponding to the inside of the subpixels SP01 to SP13, It is possible to make a structure that can be adjusted to.

≪ Embodiment 2 >

7 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a second embodiment of the present invention.

As shown in Fig. 7, the transparent electrodes TCO are formed on the structure layers (black matrix and color filter) located on the color filter substrate in the second direction intersecting the data lines DL. The transparent electrodes TCO include connection regions CON for electrically connecting the transparent electrodes TCO divided by the first open regions OPN1 and the first open regions OPN1.

If the first open regions OPN1 are formed in the transparent electrodes TCO, it is possible to reduce the R (resistance) C (capacitor) load and the parasitic capacitance component occurring in the overlap region intersecting the data lines DL do. To this end, the size (or area) of the first open areas OPN1 may be greater than the size (or area) of the connection areas CON.

Meanwhile, the data lines DL may have inclined angles with respect to a central region of the sub-pixels SP01 to SP13. In this case, the first transparent electrodes TCOU and the first open regions OPN1 of the second transparent electrodes TCOD, which are positioned at upper and lower portions with respect to the central region of the subpixels SP01 to SP13, Is formed so as to have an inclined angle inclined along the inclined angle of inclination of the data lines DL. However, both the first transparent electrodes TCOU and the first open regions OPN1 of the second transparent electrodes TCOD have a shape in which a part of the first side region is removed.

≪ Third Embodiment >

8 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a third embodiment of the present invention.

As shown in Fig. 8, the transparent electrodes TCO are formed on the structure layers (black matrix and color filter) located on the color filter substrate in the second direction intersecting the data lines DL. The transparent electrodes TCO include connection regions CON for electrically connecting the transparent electrodes TCO separated by the second open regions OPN2 and the second open regions OPN2.

If the second open regions OPN2 are formed in the transparent electrodes TCO, it is possible to reduce the R (resistance) C (capacitor) load and the parasitic capacitance component occurring in the overlap region intersecting the data lines DL do. To this end, the size (or area) of the second open regions OPN2 may be greater than the size (or area) of the connection regions CON.

Meanwhile, the data lines DL may have inclined angles with respect to a central region of the sub-pixels SP01 to SP13. In this case, the first transparent electrodes TCOU and the second open regions OPN2 of the second transparent electrodes TCOD are divided into upper and lower portions with reference to the central region of the subpixels SP01 to SP13, Is formed so as to have an inclined angle inclined along the inclined angle of inclination of the data lines DL. However, both the first transparent electrodes TCOU and the second open regions OPN2 of the second transparent electrodes TCOD have a shape in which a part of the second side region is removed.

<Fourth Embodiment>

9 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a fourth embodiment of the present invention.

As shown in Fig. 9, the transparent electrodes TCO are formed on the color filter substrate in the second direction intersecting the data lines DL formed on the TFT substrate. The transparent electrodes TCO are electrically connected to the first and second open regions OPN1 and OPN2 and the transparent electrodes TCO separated by the first and second open regions OPN1 and OPN2, And regions CON are included.

When the first and second open regions OPN1 and OPN2 are formed in the transparent electrodes TCO, the R (resistance) C (capacitor) rod and the parasitic capacitance component R (resistance) generated in the overlap region crossing the data lines DL Can be reduced. To this end, the size (or area) of the first and second open areas OPN1 and OPN2 may be greater than the size (or area) of the connection areas CON.

Meanwhile, the data lines DL may have inclined angles with respect to a central region of the sub-pixels SP01 to SP13. In this case, the first and second transparent electrodes TCOU and TCOD, which are positioned at upper and lower portions with respect to the central region of the sub-pixels SP01 to SP13, 2 open regions OPN1 and OPN2 are formed to have inclined angles inclined along the inclined angle of the data lines DL.

The transparent electrodes TCO include first open regions OPN1 in which a portion of the first side region is removed and second open regions OPN2 in which a portion of a second side region opposite to the first side region is removed, The first transparent electrodes TCOU and the second transparent electrodes TCOD. That is, the first and second open regions OPN1 and OPN2 formed in the first transparent electrodes TCOU and the second transparent electrodes TCOD are alternately formed by one data line.

<Fifth Embodiment>

10 is a view illustrating a structure of transparent electrodes formed on a liquid crystal panel of a stereoscopic image display device according to a fifth embodiment of the present invention.

As shown in Fig. 10, the transparent electrodes TCO are formed on the color filter substrate in the second direction intersecting the data lines DL formed on the TFT substrate. The transparent electrodes TCO are electrically connected to the first and second open regions OPN1 and OPN2 and the transparent electrodes TCO separated by the first and second open regions OPN1 and OPN2, And regions CON are included.

When the first and second open regions OPN1 and OPN2 are formed in the transparent electrodes TCO, the R (resistance) C (capacitor) rod and the parasitic capacitance component R (resistance) generated in the overlap region crossing the data lines DL Can be reduced. To this end, the size (or area) of the first and second open areas OPN1 and OPN2 may be greater than the size (or area) of the connection areas CON.

Meanwhile, the data lines DL may have inclined angles with respect to a central region of the sub-pixels SP01 to SP13. In this case, the first and second transparent electrodes TCOU and TCOD, which are positioned at upper and lower portions with respect to the central region of the sub-pixels SP01 to SP13, 2 open regions OPN1 and OPN2 are formed to have inclined angles inclined along the inclined angle of the data lines DL.

The transparent electrodes TCO include first open regions OPN1 in which a portion of the first side region is removed and second open regions OPN2 in which a portion of a second side region opposite to the first side region is removed, The first transparent electrodes TCOU and the second transparent electrodes TCOD. That is, the first and second open regions OPN1 and OPN2 formed on the first transparent electrodes TCOU and the second transparent electrodes TCOD are alternately formed by two data lines.

As can be seen from the first to fifth embodiments, the first and second open regions OPN1 and OPN2 of the transparent electrodes TCO may be selectively formed on the first side and the second side. More specifically, the first and second open regions OPN1 and OPN2 of the transparent electrodes TCO are connected to the first side region and the common lines VCOML adjacent to the common lines VCOML, 2-side region. Therefore, the positions of the first and second open regions OPN1 and OPN2 of the transparent electrodes TCO may be the same or different from each other.

As described above, according to the embodiment of the present invention, when the liquid crystal panel is driven in the 3D mode using the transparent electrodes formed on the color filter substrate, the phase difference of the liquid crystal is partially changed to generate the stereoscopic image having the active black stripe for controlling the viewing angle with the patterned retarder film There is an effect of providing a display device. The embodiments of the present invention also provide a stereoscopic image display device capable of reducing the RC load and the parasitic capacitance components by minimizing the design of the transparent electrodes with the data lines and gate lines formed on the TFT substrate, .

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that the invention may be practiced. It is therefore to be understood that the embodiments described above are to be considered in all respects only as illustrative and not restrictive. In addition, the scope of the present invention is indicated by the following claims rather than the detailed description. Also, all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

SBD: Image supply unit TCN: Timing control unit
DRV: driving part PNL: display panel
FPR: pattern-retarder film GLS: polarized glasses
PXL: pixel electrode Vcom: common electrode
TCO: transparent electrodes OPN1 and OPN2: open regions
CON: Connection areas DL: Data lines
GL: Gate lines VCOML: Common lines

Claims (11)

A liquid crystal panel including subpixels; And
And a pattern relief film positioned on the liquid crystal panel,
In the liquid crystal panel,
A first substrate,
A wiring layer including data lines, gate lines, and common lines formed on the first substrate;
Pixel electrodes formed on the wiring layer;
A second substrate facing the first substrate,
A structure layer comprising black matrices and color filters formed on the second substrate,
And transparent electrodes formed on the structure layer and arranged in a direction crossing the data lines and including open regions in which a part of the region corresponding to the data lines is removed,
Wherein the transparent electrodes are divided into upper and lower portions of the opening regions of the subpixels and arranged in a stripe shape. The method according to claim 1,
The transparent electrodes
Wherein the black matrixes are located in regions corresponding to the black matrices. 3. The method of claim 2,
Wherein the transparent electrodes correspond to or occupy an area larger than the area occupied by the black matrixes. delete The method according to claim 1,
The data lines
And a tilt angle with respect to a central region of the subpixels. 6. The method of claim 5,
The open areas
Wherein the data lines are formed along an inclined angle of inclination of the data lines. The method according to claim 1,
The open areas
Wherein the first electrode is formed on a first side region or a second side region of the transparent electrodes. The method according to claim 1,
The open areas
Wherein the transparent electrodes are alternately formed in the first side region and the second side region of the transparent electrodes. The method according to claim 1,
The transparent electrodes
First transparent electrodes having first open regions in which a part of the first side region is removed,
And second transparent electrodes having second open regions in which a part of a second side region opposite to the first side region is removed. The method according to claim 1,
The transparent electrodes
And connection regions electrically connecting the open regions and the transparent electrodes separated by the open regions,
Wherein the size of the open regions is greater than the size of the connection regions. The method according to claim 1,
The transparent electrodes, the gate lines and the common lines
And wherein the three-dimensional image display device is disposed adjacent to the display device in a stripe shape.

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