JP2001159743A - Liquid crystal display panel for stereoscopic display and liquid crystal display device for stereoscopic display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid crystal display panel for stereoscopic display and liquid crystal display device for stereoscopic display which are small in circuit scale, make flickering negligible and can improve the contrast ratio. SOLUTION: Left eye image display parts 20 and right eye image display parts 21 are formed at respective pixels. Left eye images are display in the left eye image display parts 20 of the respective pixels and right eye images are displayed in the right eye image display parts 21 of the respective pixels. The polarization directions of the displays of the left eye image display parts 20 and the right eye image display parts 21 have been aligned to the right and left polarization directions of polarizing spectacles 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display panel for displaying stereoscopic images and a liquid crystal display device for displaying stereoscopic images.

[0002]

2. Description of the Related Art Heretofore, as this type of liquid crystal display device for stereoscopic display, there is one disclosed in Japanese Patent Application Laid-Open No. 63-213814. This is because the right-eye pixel column and the left-eye pixel column are alternately arranged, a polarizing member having a different polarization direction is provided for each of the right-eye pixel column and the left-eye pixel column, the right-eye image and the left-eye image are mixed, and a line is formed. In the case of a right-eye image, the right-eye pixel columns are sequentially driven in accordance with the output of the timing circuit, and in the case of a left-eye image, the left-eye pixel columns are sequentially driven. Interlaced display is performed in the field to display a left-eye image, and the right and left eyes are stereoscopically viewed with glasses having different polarization directions. Japanese Patent Application Laid-Open No. Sho 63-213814 discloses a three-dimensional display in the same manner.
There was one described in JP-A-63-220225.

As another liquid crystal display device for stereoscopic display, there is one described in Japanese Patent Application Laid-Open No. Hei 9-113911. This is to make the orientation direction of the liquid crystal layer different between the right-eye image display area and the left-eye image display area, using a π cell,
The polarization direction of the transmitted light is changed, the right-eye image display and the left-eye image display are performed by time division, and the right and left eyes are stereoscopically viewed with glasses having different polarization directions.

[0004]

However, a conventional liquid crystal display device for stereoscopic display is disclosed in Japanese Patent Application Laid-Open No. 63-21381.
No. 4, JP-A-63-213814 and JP-A-63-220225 disclose a stereoscopic display by interlace in which a right-eye image is displayed in an even field and a left-eye image is displayed in an odd field. There is a problem in that the appearance of the display is deteriorated, and a circuit for performing interlaced display is complicated and the circuit scale is increased. Also, Japanese Patent Laid-Open No. 9-1
In the device described in JP 13911, since the right-eye image display and the left-eye image display are performed in a time-sharing manner, the right eye includes the right-eye image and the black left-eye image when displaying the right-eye image, and the left eye when displaying the left-eye image. There is a problem in that a left-eye image and a black right-eye image are entered, and black is displayed 75% of the time, flickering is noticeable and the contrast ratio is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and a liquid crystal display panel for a three-dimensional display, which has a small circuit scale, does not care about flicker, and can improve a contrast ratio. It is an object to provide a liquid crystal display device for stereoscopic display.

[0006]

SUMMARY OF THE INVENTION A liquid crystal display panel for stereoscopic display according to the present invention displays a left-eye image and a right-eye image on a liquid crystal display surface comprising a plurality of pixels, and displays the left-eye image and the right-eye image with the left and right eyes, respectively. Perform stereoscopic vision by watching,
In the three-dimensional display liquid crystal display panel, a left-eye image display section and a right-eye image display section are formed for each pixel, a left-eye image is displayed on the left-eye image display section of each pixel, and a right-eye image is displayed on the right-eye image display section of each pixel. Is displayed. In addition, the liquid crystal display panel for stereoscopic display according to the present invention displays a left-eye image and a right-eye image on a liquid crystal display surface including a plurality of pixels, and displays the left-eye image and the right-eye image with polarized glasses having different polarization directions on the left and right. A left-eye image display section and a right-eye image display section are formed in each pixel, and a left-eye image is displayed in the left-eye image display section of each pixel. The right-eye image is displayed on the right-eye image display section of each pixel, and the polarization directions of the display on the left-eye image display section and the right-eye image display section are adjusted to the left and right polarization directions of the polarizing glasses.

Further, a liquid crystal display panel for stereoscopic display according to the present invention comprises a lower substrate for holding liquid crystal, an upper substrate, and a lower polarizing plate provided on the lower substrate side, wherein the lower substrate, the upper substrate, and the lower polarizing plate are used. A plurality of pixels are formed, a left-eye image and a right-eye image are displayed on a liquid crystal display surface including the plurality of pixels, and the left-eye image and the right-eye image are viewed with the left eye and the right eye using polarized glasses having different polarization directions on the left and right. Perform stereoscopic vision,
In the liquid crystal display panel for stereoscopic display, a left-eye image display unit and a right-eye image display unit are formed for each pixel, and a left-eye pixel electrode and a right-eye pixel electrode are respectively provided for the left-eye image display unit and the right-eye image display unit of each pixel. The polarization directions of the lower polarizer for the left-eye image display unit and the right-eye image display unit of each pixel are set to different polarization directions, and the rubbing direction of the lower substrate for the left-eye image display unit and the right-eye image display unit of each pixel is set to the lower polarizer. The direction parallel to the polarization direction of, the rubbing direction of the upper substrate for the left-eye image display unit and the right-eye image display unit of each pixel in a direction perpendicular to the polarization direction of the lower polarizer, and the left and right polarization directions of the polarizing glasses. The directions are parallel, the left-eye image is displayed on the left-eye image display section of each pixel, and the right-eye image is displayed on the right-eye image display section of each pixel.

Further, the liquid crystal display device for stereoscopic display according to the present invention displays a left-eye image and a right-eye image on a liquid crystal display surface including a plurality of pixels, and views the left-eye image and the right-eye image with the left and right eyes, respectively. In a liquid crystal display device for stereoscopic display, which performs visual observation, a liquid crystal display panel for stereoscopic display in which a left-eye image display section and a right-eye image display section are formed in each pixel, and a left-eye in a row direction of each pixel based on a left-eye image signal. A left-eye image signal driving circuit for controlling the image display unit and displaying the left-eye image, and a right-eye image signal driving circuit for controlling the right-eye image display unit in the row direction of each pixel based on the right-eye image signal and displaying the right-eye image And a timing circuit for controlling the control timing of the left-eye image signal drive circuit and the right-eye image signal drive circuit.

The liquid crystal display device for stereoscopic display according to the present invention displays a left-eye image and a right-eye image on a liquid crystal display surface including a plurality of pixels, and converts the left-eye image and the right-eye image into polarized lights having different polarization directions on the left and right. In a liquid crystal display device for stereoscopic display, which performs stereoscopic vision by viewing with the left eye and the right eye with glasses, a liquid crystal display panel for stereoscopic display in which a left eye image display portion and a right eye image display portion are formed in each pixel, and a left eye image signal A left-eye image display unit for controlling the left-eye image display unit in the row direction of each pixel based on the left-eye image signal, and a right-eye image display unit for each pixel in the row direction based on the right-eye image signal. A right-eye image signal driving circuit for displaying an image, a timing circuit for controlling control timing of the left-eye image signal driving circuit and the right-eye image signal driving circuit, and a left-eye image display unit; It is intended to align the polarization direction of the display of the eye image display unit to the polarization direction of the left and right polarized glasses.

A liquid crystal display device for stereoscopic display according to the present invention comprises a lower substrate for holding liquid crystal, an upper substrate, and a lower polarizing plate provided on the lower substrate side. A plurality of pixels are formed, a left-eye image and a right-eye image are displayed on a liquid crystal display surface including the plurality of pixels, and the left-eye image and the right-eye image are viewed with the left eye and the right eye using polarized glasses having different polarization directions on the left and right. In the liquid crystal display device for stereoscopic display, which performs stereoscopic vision, a left-eye image display unit and a right-eye image display unit are formed in each pixel, and a left-eye image display unit and a right-eye image display unit of each pixel have a left-eye pixel electrode and A right-eye pixel electrode is provided, and the polarization directions of the lower polarizer with respect to the left-eye image display unit and the right-eye image display unit of each pixel are respectively different from each other, and the left-eye image display unit and the right-eye image display unit of each pixel are provided. The rubbing direction of the lower substrate with respect to the direction parallel to the polarization direction of the lower polarizer, the rubbing direction of the upper substrate with respect to the left-eye image display unit and the right-eye image display unit of each pixel in a direction perpendicular to the polarization direction of the lower polarizer, In addition, a liquid crystal display panel for stereoscopic display that is in a direction parallel to the left and right polarization directions of the polarized glasses, and a left-eye pixel electrode of a left-eye image display unit in a row direction of each pixel is driven based on a left-eye image signal, thereby obtaining a left-eye image. A left-eye image signal driving circuit, a right-eye image signal driving circuit for driving a right-eye pixel electrode of a right-eye image display section in a row direction of each pixel based on the right-eye image signal, and displaying a right-eye image, and a left-eye image signal. A drive circuit and a timing circuit for controlling the drive timing of the right-eye image signal drive circuit.

In the liquid crystal display device for stereoscopic display according to the present invention, the left-eye image signal drive circuit and the right-eye image signal drive circuit are respectively arranged above and below the liquid crystal display surface of the three-dimensional display liquid crystal display panel. is there. Further, in the liquid crystal display device for stereoscopic display according to the present invention, the left-eye image signal driving circuit and the right-eye image signal driving circuit are integrally formed on the liquid crystal display panel for stereoscopic display.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a schematic diagram showing a configuration of a liquid crystal display panel for stereoscopic display according to one embodiment of the present invention. In FIG. 1, 1 is a lower polarizing plate, 2 is a lower substrate, 3 is an upper substrate, 4 is a liquid crystal sandwiched between a lower substrate 2 and an upper substrate 3, and a lower polarizing plate 1, a lower substrate 2, an upper substrate 3 and the liquid crystal 4 constitute a liquid crystal display panel for stereoscopic display. 5
Is white light incident on a liquid crystal display panel for stereoscopic display from a light source such as a backlight, 6 is polarized glasses for viewing stereoscopic display displayed on the liquid crystal display panel for stereoscopic display, and 7 is a left-eye polarizer of the polarized glasses 6 Reference numeral 8 denotes a right-eye polarizer of the polarizing glasses 6.

FIG. 2 is a cross-sectional view of the liquid crystal display panel for stereoscopic display, and shows a detailed configuration of the lower substrate 2 and the upper substrate 3. In FIG. 2, 10 is a glass substrate, 11 is T
A pixel electrode portion 12 in which a plurality of pixel electrodes are formed together with an FT circuit portion and a pixel switching transformer, an alignment film 12, a glass substrate 10, a pixel electrode portion 11 and an alignment film 12.
Constitutes the lower substrate 2. 13 is an alignment film, 14
Is a common electrode, 15 is a color filter, 16 is a glass substrate, and the alignment film 13, the common electrode 14, the color filter 1
5. The upper substrate 3 is composed of the glass substrate 16.

Next, the polarization direction of the lower polarizer 1 of the liquid crystal display panel for stereoscopic display of this embodiment, the arrangement of the pixel electrodes of the pixel electrode section 11, the rubbing direction of the alignment film 12, the alignment film 13
The details of the rubbing direction, the arrangement of the color filters 15, and the polarization directions of the left-eye polarizer 7 and the right-eye polarizer 8 of the polarizing glasses 6 will be described. FIG. 3 shows a liquid crystal display panel for stereoscopic display.
The polarization direction of the lower polarizer 1 and the polarizing glasses 6 with respect to the pixel, the arrangement of the pixel electrode and the color filter 15, the alignment films 12, 13
FIG. 4 is an explanatory diagram for explaining a rubbing direction of FIG.

FIG. 3A shows the lower polarizing plate 1.
3 (b) shows the arrangement of the pixel electrodes of the pixel electrode unit 11, FIG. 3 (c) shows the rubbing direction of the alignment film 12, and FIG. 3 (d) shows the rubbing direction of the alignment film 13. 3 (e)
3 shows the arrangement of the common electrode 14, FIG. 3 (f) shows the arrangement of the color filters 15, and FIG. 3 (g) shows the polarization direction of the polarizing glasses 6. Each of the left-eye image display section 20 and the right-eye image display in one pixel. A part 21 is formed. In this embodiment, as shown in FIG. 3, a left-eye image display section 20 and a right-eye image display section 21 are formed in one square pixel.
In this configuration, twice as many pixel electrodes are formed in one pixel as in a conventional square pixel formed of RGB pixel electrodes. FIG. 3B shows only the pixel electrode for explanation, but the pixel electrode portion 11 does not include a TF (not shown).
A T circuit and a pixel switching transformer are formed and connected to each pixel electrode.

First, as shown in FIG. 3A, the polarization direction of the lower polarizing plate 1 is set so that the left-eye image display section 20 is polarized in the y direction and the right-eye image display section 21 is polarized in the x direction. The polarization direction of the polarizing plate 1 is formed. The arrangement of the pixel electrodes of the pixel electrode unit 11 of the lower substrate 2 is, as shown in FIG. 3B, a left-eye image display unit 20 and a right-eye image display unit 21.
Three pixel electrodes (LR: red pixel electrode for left eye, LG: green pixel electrode for left eye, LB: blue pixel for left eye) corresponding to R: red, G: green, and B: blue for color display respectively And RR: right-eye red pixel electrode, RG: right-eye green pixel electrode, and RB: right-eye blue pixel electrode.

The rubbing direction of the alignment film 12 on the lower substrate 2 is the same as the polarization direction of the lower polarizing plate 1 as shown in FIG. The orientation film 12 is formed such that the right-eye image display section 21 is in the rubbing direction in the x direction.

The rubbing direction of the alignment film 13 on the upper substrate 3 is, as shown in FIG.
2 in the direction orthogonal to the rubbing direction of the left eye image display unit 2
The alignment film 13 is formed such that 0 is the rubbing direction in the x direction and the right eye image display section 21 is the rubbing direction in the y direction. Further, the common electrode 14 of the upper substrate 3 corresponds to FIG.
As shown in FIG. 1, electrodes are formed on the entire surface of the left-eye image display section 20 and the right-eye image display section 21.

As shown in FIG. 3F, the arrangement of the color filters on the upper substrate 3 corresponds to the arrangement of the pixel electrodes of the pixel electrode section 11 on the lower substrate 2 so as to correspond to the region of the pixel electrode LR. R color filter, G color filter in the pixel electrode LG area, B color filter in the pixel electrode LB area, R color filter in the pixel electrode RR area, G color filter in the pixel electrode RG area, pixel A B color filter is formed in the region of the electrode RB, and RGB filters are arranged in each of the left-eye image display unit 20 and the right-eye image display unit 21.

The polarization directions of the left eye polarizer 7 and the right eye polarizer 8 of the polarizing glasses 6 are the same as the rubbing direction of the alignment film 13 of the upper substrate 3, and the left eye polarizer 7 is polarized in the x direction and the right eye polarization. Each polarizer is formed such that the polarizer 8 is polarized in the y direction.

A large number of pixels having the configuration shown in FIGS. 3A to 3F are formed on the liquid crystal display panel for stereoscopic display, and in each of the pixels, a left-eye image display section of each pixel is provided. The light passing through 20 enters the left eye through the left eye polarizer 7 of the polarizing glasses 6, and the light passing through the right eye image display unit 21 of each pixel enters the right eye through the right eye polarizer 8 of the polarizing glasses 6. Become. Then, the left-eye image display unit 20 of each pixel
The pixel electrodes of the right-eye image display unit 21 are driven by a left-eye image signal drive circuit for the left eye and a right-eye image signal drive circuit for the right eye, respectively. The left-eye image display unit 20 simultaneously displays the left-eye image and the right-eye image of each pixel on the right-eye image display unit 21, and displays the image for the polarized glasses 6.
, A stereoscopic image can be seen.

In this embodiment, the polarization direction of the lower polarizing plate 1 and the rubbing directions of the alignment films 12 and 13 are described for each pixel. As for the rubbing directions of the alignment film 12 and the alignment film 13, as shown in FIG. 4, a polarization direction and a rubbing direction may be formed over a plurality of pixels in the entire liquid crystal display panel for stereoscopic display. FIG. 4A shows the lower polarizing plate 1.
4B shows the rubbing direction of the alignment film 12, and FIG. 4B shows the rubbing direction of the alignment film 13.

Further, in this embodiment, the color filter 15 is formed on the upper substrate 3, but may be formed on the lower substrate 2. Further, the left side within one pixel is the left eye image display section 20 and the right side is the right eye image display section 21. However, the left side within one pixel may be the right eye image display section 21 and the right side may be the left eye image display section 20. The upper and lower sides may be the left-eye image display unit 20 and the right-eye image display unit 21.

Also in these cases, the pixel electrodes of the left-eye image display section 20 and the right-eye image display section 21 of each pixel are driven by a left-eye left-eye image signal drive circuit and a right-eye right-eye image signal drive circuit, respectively. By simultaneously driving the respective driving timings, the left-eye image display unit 20 of each pixel displays the image for the left eye and the right-eye image display unit 21 of the pixel simultaneously displays the image for the right eye, and the image is polarized. By looking through the glasses 6, a stereoscopic image can be seen.

Also, in this embodiment, the upper polarizing plate is not provided on the upper substrate 3, and the light from the upper substrate 3 is viewed by the left-eye polarizer 7 and the right-eye polarizer 8 of the polarizing glasses 6. However, an upper polarizer may be provided on the upper substrate 3 and light passing through the upper polarizer may be viewed by the left-eye polarizer 7 and the right-eye polarizer 8 of the polarizing glasses 6. In this embodiment, an example of color display has been described, but the present invention may be applied to a monochrome display.

In this embodiment, an example of the transmissive liquid crystal display panel for stereoscopic display has been described. However, each pixel of the reflective liquid crystal display panel for stereoscopic display is used for the left-eye image display unit 2.
0, the pixel electrodes of the left-eye image display unit 20 and the right-eye image display unit 21 of each pixel divided into the right-eye image display unit 21 are simultaneously driven at the same timing by the left-eye image signal drive circuit and the right-eye image signal drive circuit. Alternatively, the left-eye image display unit 20 of each pixel may display the image for the left eye and the right-eye image display unit 21 of each pixel simultaneously display the image for the right eye, and the image may be viewed with the polarizing glasses 6.

In this embodiment, each pixel on the three-dimensional display liquid crystal display panel is replaced by a left-eye image display unit 2 for each pixel.
0 and a region of the right-eye image display unit 21, a pixel electrode and a color filter corresponding thereto are formed in each of the left-eye image display unit 20 and the right-eye image display unit 21, and the polarization direction of the lower polarizing plate and the alignment film The rubbing direction is set to the left eye image display section 2.
0 and the right-eye image display unit 21 are formed differently, so that a left-eye image and a right-eye image can be displayed within one pixel,
Since the left-eye image and the right-eye image can be displayed at the same time, there is no flicker, and a stereoscopic display with a good contrast ratio can be performed.

Embodiment 2 FIG. 5 is a block diagram showing a configuration of a liquid crystal display device for stereoscopic display according to another embodiment of the present invention. In FIG. 5, reference numeral 30 denotes a liquid crystal display panel for stereoscopic display according to the first embodiment, reference numeral 31 denotes a left-eye image signal driving circuit for driving a pixel electrode of the left-eye image display unit 20 of each pixel of the liquid crystal display panel for stereoscopic display 30, and 32. A right-eye image signal driving circuit that drives a pixel electrode of the right-eye image display unit 20 of each pixel of the three-dimensional display liquid crystal display panel 30, and a scanning line driving circuit 33 that drives the scanning direction of each pixel of the three-dimensional display liquid crystal display panel 30 And 34 are timing circuits for setting the timings of the left-eye image signal drive circuit 31, the right-eye image signal drive circuit 32, and the scanning line drive circuit 33. The three-dimensional display liquid crystal display panel 30, the left-eye image signal drive circuit 31, the right-eye image Signal drive circuit 32, scan line drive circuit 33, timing circuit 3
4 constitutes a liquid crystal display device for stereoscopic display.

Reference numeral 35 denotes a left-eye camera, 36 denotes a right-eye camera, and 37 denotes a left-eye camera 35 and a right-eye camera 36.
, A left-eye camera 35, a right-eye camera 36, and a timing circuit 3.
A stereoscopic video output device 7 outputs a stereoscopic video signal to the liquid crystal display device for stereoscopic display. In this stereoscopic video output device, a left-eye image signal captured by the left-eye camera 35 is input to the left-eye image signal drive circuit 31 and the right-eye camera 3
The right-eye image signal captured in Step 6 is a right-eye image signal driving circuit 3
2 is input. In this embodiment, an example in which a stereoscopic image is captured by the left-eye camera 35 and the right-eye camera 36 will be described. However, any device that can output a timed left-eye image signal and a right-eye image signal is used. For example, a video deck or a personal computer may be used.

Next, the image display operation of this embodiment will be described. First, the X side from the timing circuit 37,
A left-eye image and a right-eye image for a stereoscopic image are captured by a left-eye camera 35 and a right-eye camera 36 that are timed by the Y-side timing signal, and the captured left-eye image signal and right-eye image signal are left-eye images, respectively. It is input to the image signal drive circuit 31 and the right eye image signal drive circuit 32. The left-eye image signal drive circuit 31 and the right-eye image signal drive circuit 32 perform the left-eye image display section 20 and the right-eye image display of one pixel of the three-dimensional display liquid crystal display panel 30 based on the X-side timing signal from the timing circuit 34. Part 21
The scanning line driving circuit 33 sequentially drives the pixel columns of the three-dimensional display liquid crystal display device 30 based on the Y-side timing signal from the timing circuit 34, with the left and right eye timings being synchronized at the same time. By scanning, the display for the left eye and the display for the right eye are simultaneously displayed to display a stereoscopic image.

Here, specific examples of the left-eye image signal driving circuit 31, the right-eye image signal driving circuit 32, and the scanning line driving circuit will be described. FIG. 6 is an explanatory diagram for describing a specific example of the left-eye image signal drive circuit 31, the right-eye image signal drive circuit 32, and the scanning line drive circuit. In the figure, reference numeral 40 denotes a left-eye image x-side shift register constituting the left-eye image signal driving circuit 31; 41, a right-eye image x-side shift register constituting the right eye image signal driving circuit 32;
3 is a y-side shift register.

As shown in FIG. 6, the left-eye image signal drive circuit 31 and the right-eye image signal drive circuit 32 are composed of a shift register and a transistor for outputting RGB image signals based on the output of the shift register. Is composed of a shift register. The x-side shift register 40 for the left-eye image and the x-side shift register 41 for the right-eye image operate with a timing based on the x-side timing signal from the timing circuit 34, and the y-side shift register 42 operates on the y-side from the timing circuit 34. The operation is performed with a timing by a timing signal.

Further, the left-side image x-side shift register 40
A TFT circuit portion or the like is formed at a position where a signal line from the x-side shift register 41 for the right-eye image and a signal line from the y-side shift register 42 intersect with each other. The pixel electrodes of the left-eye image display unit 20 and the right-eye image display unit 21 of the pixel selected by the x-side shift register 40, the right-eye image x-side shift register 41, and the y-side shift register 42 are driven, and the pixel is Is displayed. The left-eye image x-side shift register 40 and the right-eye image x-side shift register 4
The three-dimensional display is performed by displaying all the pixels on the three-dimensional display liquid crystal display panel 30 by the 1 and y-side shift registers 42.

In this embodiment, the left-eye image signal driving circuit 31, the right-eye image signal driving circuit 32 and the scanning line driving circuit are constituted by using shift registers, but a decoder or the like may be used. . Further, the left-eye image signal driving circuit 31 and the right-eye image signal driving circuit 32
A device that outputs the data collectively for each line may be used.

As shown in FIG. 6, in this embodiment,
A left-eye image signal drive circuit 31 and a right-eye image signal drive circuit 32 are arranged above and below the three-dimensional display liquid crystal display panel 30, and respective signal lines are formed in the three-dimensional display liquid crystal display panel 30 in a comb-teeth structure. Since the respective pixel electrodes of the left-eye image display section 20 and the right-eye image display section 21 are driven to perform three-dimensional display, three-dimensional display can be performed with a simple circuit configuration.

[0036]

As described above, according to the present invention, a left-eye image display section and a right-eye image display section are formed for each pixel, and a left-eye image is displayed on the left-eye image display section of each pixel. The right-eye image is displayed on the right-eye image display unit, and the polarization directions of the display on the left-eye image display unit and the right-eye image display unit are adjusted to the left and right polarization directions of the polarizing glasses. Can be displayed, and the left-eye image and the right-eye image can be displayed at the same time, so that there is an effect that there is no flicker and a stereoscopic display with a good contrast ratio can be performed.

According to the present invention, a left-eye image display section and a right-eye image display section are formed in each of the pixels of the three-dimensional display liquid crystal display panel, and the left-eye image signal drive circuit controls each of the pixels based on the left-eye image signal. The left-eye image display unit in the row direction of the pixels is controlled to display the left-eye image, and the right-eye image signal drive circuit controls the right-eye image display unit in the row direction of each pixel based on the right-eye image signal to display the right-eye image. The timing circuit controls the control timings of the left-eye image signal drive circuit and the right-eye image signal drive circuit so that the polarization directions of the displays of the left-eye image display unit and the right-eye image display unit match the left and right polarization directions of the polarized glasses. Therefore, there is an effect that stereoscopic display can be performed with a simple circuit configuration.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a configuration of a liquid crystal display panel for stereoscopic display according to an embodiment of the present invention.

FIG. 2 is a sectional view of a liquid crystal display panel for stereoscopic display.

FIG. 3 is an explanatory diagram for explaining a polarization direction of a lower polarizer 1 and a polarizing glasses 6, an arrangement of pixel electrodes and color filters 15, and a rubbing direction of alignment films 12 and 13 for one pixel of a liquid crystal display panel for stereoscopic display. It is.

FIG. 4 is an explanatory diagram for explaining an example of a polarization direction of the lower polarizing plate 1 and a rubbing direction of the alignment films 12 and 13;

FIG. 5 is a block diagram showing a configuration of a liquid crystal display device for stereoscopic display according to another embodiment of the present invention.

FIG. 6 is an explanatory diagram for describing a specific example of a left-eye image signal driving circuit 31, a right-eye image signal driving circuit 32, and a scanning line driving circuit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower polarizing plate 2 Lower substrate 3 Upper substrate 4 Liquid crystal 5 White light 6 Polarized glasses 7 Left eye polarizer 8 Right eye polarizer 10 Glass substrate 11 Pixel electrode part 12 Alignment film 13 Alignment film 14 Common electrode 15 Color filter 16 Glass substrate 20 Left eye Image display unit 21 Right-eye image display unit 30 Liquid crystal display panel for stereoscopic display 31 Left-eye image signal drive circuit 32 Right-eye image signal drive circuit 33 Scan line drive circuit 34 Timing circuit 35 Left-eye camera 36 Right-eye camera 37 Timing circuit 40 For left-eye image x-side shift register 41 x-side shift register for right-eye image 42 y-side shift register

Claims (8)

[Claims] 1. A stereoscopic view by displaying a left-eye image and a right-eye image on a liquid crystal display surface including a plurality of pixels, and viewing the left-eye image and the right-eye image with the left and right eyes, respectively.
In the liquid crystal display panel for stereoscopic display, a left-eye image display section and a right-eye image display section are formed in each of the pixels, a left-eye image is displayed on the left-eye image display section of each pixel, and the right-eye image of each pixel is displayed. A liquid crystal display panel for stereoscopic display, wherein a right-eye image is displayed on a display unit. 2. A stereoscopic image by displaying a left-eye image and a right-eye image on a liquid crystal display surface including a plurality of pixels, and viewing the left-eye image and the right-eye image with left and right eyes using polarizing glasses having different polarization directions on the left and right. In the liquid crystal display panel for stereoscopic display, a left-eye image display portion and a right-eye image display portion are formed in each of the pixels, and a left-eye image is displayed on the left-eye image display portion of each of the pixels. A liquid crystal display panel for stereoscopic display, wherein a right-eye image is displayed on the right-eye image display unit, and a polarization direction of display of the left-eye image display unit and a right-eye image display unit is adjusted to right and left polarization directions of the polarizing glasses. . 3. A liquid crystal display comprising: a lower substrate for holding a liquid crystal; an upper substrate; and a lower polarizing plate provided on the lower substrate side, wherein a plurality of pixels are formed by the lower substrate, the upper substrate, and the lower polarizing plate. A left-view image and a right-view image are displayed on a liquid crystal display surface composed of pixels, and the left-view image and the right-view image are stereoscopically viewed by viewing the left-view image and the right-view image with the left and right eyes using polarized glasses having different polarization directions on the left and right. In the display panel, a left-eye image display unit and a right-eye image display unit are formed in each of the pixels, and a left-eye pixel electrode and a right-eye pixel electrode are provided in the left-eye image display unit and the right-eye image display unit of each pixel, respectively. The polarization directions of the lower polarizer with respect to the left-eye image display portion and the right-eye image display portion of each pixel are respectively different from each other, and the polarization directions of the left-eye image display portion and the right-eye image display portion of each pixel are different. The rubbing direction of the lower substrate is a direction parallel to the polarization direction of the lower polarizer, and the rubbing direction of the upper substrate with respect to the left-eye image display unit and the right-eye image display unit of each pixel is perpendicular to the polarization direction of the lower polarizer. Direction, and a direction parallel to the left and right polarization directions of the polarizing glasses, a left-eye image is displayed on the left-eye image display unit of each pixel,
A liquid crystal display panel for stereoscopic display, wherein a right-eye image is displayed on the right-eye image display section of each pixel. 4. A stereoscopic view by displaying a left-eye image and a right-eye image on a liquid crystal display surface including a plurality of pixels, and viewing the left-eye image and the right-eye image with the left and right eyes, respectively.
In the liquid crystal display device for stereoscopic display, a liquid crystal display panel for stereoscopic display in which a left-eye image display unit and a right-eye image display unit are formed in each of the pixels, and a left-eye image display in a row direction of each pixel based on a left-eye image signal. A right-eye image signal driving circuit that controls the unit and displays a left-eye image, and a right-eye image signal driving circuit that controls the right-eye image display unit in the row direction of each pixel based on the right-eye image signal and displays a right-eye image. A liquid crystal display device for stereoscopic display, comprising: a timing circuit for controlling control timing of the left-eye image signal drive circuit and the right-eye image signal drive circuit. 5. A stereoscopic image by displaying a left-eye image and a right-eye image on a liquid crystal display surface including a plurality of pixels, and viewing the left-eye image and the right-eye image with left and right eyes using polarized glasses having different polarization directions on the left and right. In a liquid crystal display device for stereoscopic display, a liquid crystal display panel for stereoscopic display in which a left-eye image display unit and a right-eye image display unit are formed in each of the pixels, and a row direction of each pixel based on a left-eye image signal. A left-eye image signal driving circuit for controlling the left-eye image display unit and displaying the left-eye image; and a right-eye image signal driving unit for controlling the right-eye image display unit in the row direction of each pixel based on the right-eye image signal and displaying the right-eye image. And a timing circuit for controlling a control timing of the left-eye image signal driving circuit and the right-eye image signal driving circuit. Shows stereoscopic display liquid crystal display device comprising the polarization direction be aligned in the polarization direction of the left and right of the polarizing glasses. 6. A lower substrate for holding liquid crystal, an upper substrate, and a lower polarizing plate provided on the lower substrate side. A plurality of pixels are formed by the lower substrate, the upper substrate, and the lower polarizing plate. A left-view image and a right-view image are displayed on a liquid crystal display surface composed of pixels, and the left-view image and the right-view image are stereoscopically viewed by viewing the left-view image and the right-view image with the left and right eyes using polarized glasses having different polarization directions on the left and right. In the display device, a left-eye image display portion and a right-eye image display portion are formed in each of the pixels, and a left-eye pixel electrode and a right-eye pixel electrode are provided in the left-eye image display portion and the right-eye image display portion of each pixel, respectively. The polarization directions of the lower polarizer with respect to the left-eye image display unit and the right-eye image display unit of each pixel are different from each other, and the polarization directions of the pixels with respect to the left-eye image display unit and the right-eye image display unit are different. The rubbing direction of the lower substrate is a direction parallel to the polarization direction of the lower polarizer, and the rubbing direction of the upper substrate with respect to the left-eye image display unit and the right-eye image display unit of each pixel is perpendicular to the polarization direction of the lower polarizer. Direction, and a liquid crystal display panel for stereoscopic display that is in a direction parallel to the left and right polarization directions of the polarizing glasses, and a left-eye pixel electrode of a left-eye image display unit in a row direction of each pixel based on a left-eye image signal. A left-eye image signal driving circuit for driving and displaying a left-eye image; and a right-eye image signal driving for driving a right-eye pixel electrode of a right-eye image display unit in a row direction of each pixel based on the right-eye image signal to display a right-eye image. A liquid crystal display device for stereoscopic display, comprising: a circuit; and a timing circuit for controlling drive timing of the left-eye image signal drive circuit and the right-eye image signal drive circuit. 7. The left-eye image signal drive circuit and the right-eye image signal drive circuit are arranged separately above and below a liquid crystal display surface of the liquid crystal display panel for stereoscopic display. The liquid crystal display device for stereoscopic display according to the above. 8. The three-dimensional display liquid crystal display panel according to claim 4, wherein the left-eye image signal drive circuit and the right-eye image signal drive circuit are integrally formed on the three-dimensional display liquid crystal display panel. Liquid crystal display.