JP4617924B2 - Liquid crystal display device - Google Patents

Description

  The present invention relates to a liquid crystal display device that displays a figure with perspective.

As a liquid crystal display device, a plurality of main segment electrodes having a predetermined shape are formed on the inner surface of one of the pair of opposing inner surfaces of the pair of substrates facing each other with a liquid crystal layer interposed therebetween, and the edges of the half circumferences of these main segment electrodes And a plurality of sub-segment electrodes formed in the contour shape of the edge thereof adjacent to the portion, and a liquid crystal provided with a common electrode facing the plurality of main segment electrodes and sub-segment electrodes on the inner surface of the other substrate A display element, wherein the liquid crystal display element has a main display pattern corresponding to the shape of the main segment electrode, and a sub display pattern corresponding to the shape of the sub segment electrode (a shadow-like contour along a half circumference of the main display pattern). A three-dimensional figure expressing the thickness by the sub-display pattern, that is, a figure as if a thick object is viewed from an oblique direction. There are those in (see Patent Document 1).
JP 2001-201755 A

  However, the conventional liquid crystal display device displays a figure in which the thickness is expressed by the sub-display pattern, and there is no perspective of the display figure.

  It is an object of the present invention to provide a liquid crystal display device capable of displaying a perspective figure that appears in the observation direction or appears recessed in the opposite direction.

  The liquid crystal display device according to the present invention includes a plurality of pixels arranged in a matrix at predetermined pitches in a row direction and a column direction on regions facing each other of a pair of substrates facing each other with a liquid crystal layer interposed therebetween. A liquid crystal display element provided with an electrode for forming the liquid crystal, and an outer surface or an inner surface of one substrate of the liquid crystal display element, having a shape corresponding to the pixel, and having at least a part of a visible light band A plurality of dots that absorb light of a wavelength, a dot-like absorption layer formed by arranging in a row direction and a column direction at a predetermined dot pitch larger than a pixel pitch of the liquid crystal display element; Among the pixels, select a pixel in the display area corresponding to the display pattern at a pitch different from the dot pitch of the dot-like absorption layer, and apply a lighting voltage between the electrodes of the selected pixel Characterized by comprising a that display drive means.

  In this liquid crystal display device, the display driving unit selects pixels in a region other than the display region of the liquid crystal display element at the same pitch as the dot pitch of the dot-shaped absorption layer, and applies a lighting voltage to the selected pixel. Is desirable.

  Moreover, in this liquid crystal display device, it is preferable that the plurality of dots of the dot-shaped absorption layer are formed of an absorbent material having substantially the same color as the lighting color of the selected pixel of the liquid crystal display element.

  The liquid crystal display device according to the present invention includes a plurality of pixels arranged in a matrix at predetermined pitches in a row direction and a column direction on regions facing each other of a pair of substrates facing each other with a liquid crystal layer interposed therebetween. A liquid crystal display element provided with an electrode for forming an electrode has a shape corresponding to a pixel of the liquid crystal display element on an outer surface or an inner surface of one substrate, and absorbs wavelength light in at least a part of a visible light band. A plurality of dots that are arranged in a row direction and a column direction at a predetermined dot pitch larger than the pixel pitch of the liquid crystal display element, and the liquid crystal display element is provided by the display driving means. Among the plurality of pixels, a pixel in the display area corresponding to the display pattern is selected at a pitch different from the dot pitch of the dot-like absorption layer, and the electrodes between the selected pixels are For those you to apply a lighting voltage or Emboss the observation direction or look dented in the opposite direction, it is possible to display the graphics with perspective.

  In this liquid crystal display device, the display driving unit selects pixels in a region other than the display region of the liquid crystal display element at the same pitch as the dot pitch of the dot-shaped absorption layer, and applies a lighting voltage to the selected pixel. In this way, the area other than the display area of the liquid crystal display element is selected with the same pitch as the light emitted from the non-selected pixels in the area and the dot pitch of the dot-like absorption layer. It is possible to display a figure with a sense of perspective in the background by using a background portion of a color in which the lighting color of the pixel and the light of the combined color of the dot color of the dot-like absorption layer are mixed.

  Further, in this liquid crystal display device, it is preferable that the plurality of dots of the dot-like absorption layer are formed of an absorbent material having substantially the same color as the lighting color of the selected pixel of the liquid crystal display element. Thus, the perspective figure can be displayed in substantially the same color as the lighting color of the selected pixel of the liquid crystal display element.

  1 to 7 show a first embodiment of the present invention. FIG. 1 is a sectional view of a part of a liquid crystal display device, FIG. 2 is a pixel array diagram of a liquid crystal display element, and FIG. FIG. 4 is a block diagram of the display control means.

  The liquid crystal display device includes a liquid crystal display element 1 having a display area 2 (see FIG. 5) in which a plurality of pixels 3 are arranged in a matrix with a predetermined pitch P in the row direction and the column direction as shown in FIG. A plurality of dots provided on the outer surface of one substrate of the liquid crystal display element 1, having a shape corresponding to the pixel 3 of the liquid crystal display element 1, and absorbing wavelength light in at least a part of the visible light band As shown in FIG. 3, the liquid crystal display element 1 includes a dot-like absorption layer 13 formed by arranging 13 a in a row direction and a column direction at a predetermined dot pitch Pn larger than the pixel pitch P of the liquid crystal display element 1. 4 is disposed on the side opposite to the observation side (upper side in FIG. 1) and emits achromatic light toward the entire display area 2 of the liquid crystal display element 1, and the display driving means shown in FIG. 15.

  In the liquid crystal display element 1, a plurality of pixels arranged in a matrix in the row direction and the column direction are formed on opposite inner surfaces of a pair of transparent substrates 4 and 5 facing each other with a liquid crystal layer 10 interposed therebetween. Transparent electrodes 6 and 7 are provided, and the pair of substrates 4 and 5 are joined to each other at the outer peripheral portion thereof via a frame-shaped sealing material (not shown), and the liquid crystal layer 10 is formed of the pair of substrates. It is provided in a region surrounded by the sealing material between 4 and 5.

  The liquid crystal display element 1 is provided with a plurality of pixel electrodes 6 arranged in a matrix in the row direction and the column direction on the inner surface of one substrate, for example, a substrate (hereinafter referred to as a rear substrate) 4 opposite to the observation side. , An active matrix liquid crystal display element in which a single film-like counter electrode 7 facing the plurality of pixel electrodes 6 is provided on the inner surface of the other substrate, that is, the observation-side substrate (hereinafter referred to as a front substrate) 5; Although omitted in FIG. 1, a plurality of TFTs (thin film transistors) connected to the plurality of pixel electrodes 6 and a plurality of gate wirings for supplying gate signals to the TFTs in each row are provided on the inner surface of the rear substrate 4. And a plurality of data lines for supplying image data signals to the TFTs in each column.

  Further, the liquid crystal display element 1 encloses a nematic liquid crystal having a negative dielectric anisotropy added with a dichroic dye of a predetermined color between the substrates 4 and 5, and the liquid crystal molecules and the dye molecules are The normally white mode G · G is aligned substantially perpendicularly to the surfaces of the substrates 4 and 5 by the vertical alignment films 8 and 9 provided on the inner surfaces of both the substrates 4 and 5 so as to cover the electrodes 6 and 7. An H (guest / host) type liquid crystal display element, out of the incident light from the surface light source 14, the light incident on the non-selected pixels is transmitted as achromatic light and emitted to the observation side; The light incident on the selected pixel to which the lighting voltage is applied so that the liquid crystal molecules together with the dye molecules are tilted with respect to the surfaces of the substrates 4 and 5 is colored with the dichroic dye and emitted to the observation side. To do.

  The GH type liquid crystal display element 1 includes a rear polarizing plate 11 and a front polarizing plate 12 disposed on the outer surfaces of the pair of substrates 4 and 5 in order to increase the display contrast.

  On the other hand, although the dot-like absorption layer 13 is simplified in the drawing, the plurality of dots 13a are printed on the transparent film surface, and these dots 13a are obtained from the selected pixels of the liquid crystal display element 1. Absorbent of substantially the same color as the color of the emitted light, that is, the lighting color of the selected pixel (color of the dichroic dye), for example, a photosensitive resin mixed with a blue pigment when the lighting color of the selected pixel is blue Alternatively, it is printed with a blue paint or the like in a shape corresponding to the pixel 3 of the liquid crystal display element 1, that is, substantially the same shape as the shape of the pixel 3.

  The dot-like absorption layer 13 is attached to one substrate of the liquid crystal display element 1, for example, the outer surface of the rear substrate 4, or the surface of the rear polarizing plate 11 facing the rear substrate 4. It is affixed to.

  Note that the plurality of dots 13 a of the dot-like absorption layer 13 may be formed on the outer surface of the rear substrate 4 of the liquid crystal display element 1 by means such as printing.

  As shown in FIGS. 1 and 3, the plurality of dots 13 a of the dot-like absorption layer 13 has a pitch that is an integral multiple of the pixel pitch P of the liquid crystal display element 1, for example, a dot pitch that is five times the pixel pitch P. Pn is arranged to face every fourth pixel 3 in the row direction and the column direction of the liquid crystal display element 1.

  Further, as shown in FIG. 4, the display driving means 15 includes a scanning driver 16 that sequentially applies gate signals to the plurality of gate wirings of the liquid crystal display element 1, and the plurality of the display driving means 15 in synchronization with the application of the gate signals. The data write driver 17 applies a display pattern data signal to be displayed on the liquid crystal display element 1 to the data wiring, and the control unit 18 controls the scan driver 16 and the write driver 17.

  The display driving unit 15 includes, among the plurality of pixels 3 of the liquid crystal display element 1, pixels 3 in a region other than the display region corresponding to the display pattern (hereinafter referred to as a non-display region) of the dot-like absorption layer 13. A pixel in the display region corresponding to the display pattern of the liquid crystal display element 1 is selected by selecting the same pitch as the dot pitch Pn, and applying a lighting voltage (voltage that causes liquid crystal molecules to fall in alignment with the dye molecules) to the selected pixel. 3 is selected at a pitch different from the dot pitch Pn of the dot-like absorption layer 13, and the lighting voltage is applied between the electrodes 4 and 5 of the selected pixel.

  FIG. 5 is a front view showing a display example of the liquid crystal display element 1, and FIG. 6 is an enlarged view of a portion VI in FIG. 5. Here, a letter “A” is displayed on a part of the display area 2 of the liquid crystal display element 1. The figure of the pattern is selected by selecting the pixels 3 in the display area a with a pitch smaller than the dot pitch Pn of the dot-like absorbing layer 13, for example, a pitch Pa that is 4/5 of the dot pitch Pn of the dot-like absorbing layer 13. In this example, the lighting voltage is applied between the electrodes 4 and 5 of the selected pixel.

  As shown in FIG. 5 and FIG. 6, the non-display area b of the display area 2 of the liquid crystal display element 1 has a plurality of pixels 3 of the liquid crystal display element 1 at the same pitch as the dot pitch Pn of the dot-like absorption layer 13. The dot pitch Pn is larger than the pixel pitch P of the liquid crystal display element 1 (in this embodiment, 5 times the pixel pitch P), and the selected pixel (FIG. 6). Since the lighting color of the pixel 3a and the color of the dot 13a are the same, the non-display area b is a non-selected pixel (pixel without hatching in FIG. 6) 3b. The emitted light (achromatic color light), the lighting color of the selected pixel 3a having the same pitch as the dot pitch Pn of the dot-shaped absorption layer 13, and the color of the dot 13a of the dot-shaped absorption layer 13 (substantially the lighting color of the selection pixel 3a) Target If the lighting color and color dots 13a of the same color) and the composite color of light and colors look mixed (e.g. selected pixel 3a is blue as a background portion of bluish white).

  On the other hand, in the display area a of the display area 2 of the liquid crystal display element 1, the plurality of pixels 3 of the liquid crystal display element 1 are selected and lighted with a pitch Pa different from the dot pitch Pn of the dot-like absorption layer 13. Therefore, the selected pixel is placed in each part of the display area a due to a periodic shift in the row direction and the column direction between the selected pixel 3a of the liquid crystal display element 1 and the dot 13a of the dot-like absorption layer 13. Concentric moiré fringes are formed by the interference between the colored light emitted from 3a and the light colored by the dots 13a, and a figure corresponding to the display pattern is displayed by countless points formed by the moiré fringes.

  This display figure is darker than the background color of the non-display area b because the distribution density of the selected pixels 3a and the dots 13a within the unit area of the display area a is higher than the distribution density of the non-display area b. (For example, when the lighting color of the selected pixel 3a and the color of the dot 13a are blue, the color is strong blue).

That is, the plurality of selection pixels 3a of the liquid crystal display element 1 and the plurality of dots 13a of the dot-like absorption layer 13 are considered as colored dots, respectively, and a layer in which one dot is arranged at the pitch Pa and the other dot Is overlapped with a layer arranged at a pitch Pn different from the pitch Pa of the one dot, the light intensity I at each coordinate x in the arrangement direction of the dots at that time, C is a constant,
I = cos 2π (x / Pa) + cos 2π (x / Pn) + C (1)
It is represented by

Here, the average pitch of the pitches Pa and Pn is P ₀ ,
Pa = P ₀ + ΔP, Pn = P ₀ −ΔP
And P ₀ >> ΔP, the equation (1) is
I = 2cos2π (x / P ₀ ) · cos2π (xΔP / P ₀ ² ) + C (1)
It can be expressed.

That is, a large pitch of light and dark represented by P ₀ ² / ΔP occurs, and the light and dark changes at such a large pitch. Therefore, the display area a is different in brightness from the non-display area (background portion) b. It can be seen and the displayed figure in the display area a can be recognized with the naked eye.

  In this liquid crystal display device, the dot-like absorption layer 13 is provided on the outer surface of the rear substrate 4 on the side opposite to the observation side of the liquid crystal display element 1, and the pixels 3 in the display region a of the liquid crystal display element 1 are provided. Is selected at a pitch Pa smaller than the dot pitch Pn of the plurality of dots 13a of the dot-like absorption layer 13, and the selected pixel 3a is turned on by applying a lighting voltage between the electrodes 4 and 5. The display figure of the display area a appears to protrude in the observation direction.

  FIG. 7 is a schematic diagram showing a position where the display graphic of the liquid crystal display device can be seen. The dot-like absorption layer 13 is provided on the opposite side to the observation side with respect to the liquid crystal layer 10 of the liquid crystal display element 1. Therefore, when the pixels 3 in the display area a of the liquid crystal display element 1 are selected and lit at a pitch Pa smaller than the dot pitch Pn of the dot-like absorption layer 13 as described above, The angle direction in which the dots 13 a and the corresponding selection pixels 3 a appear to overlap with each other is shifted obliquely with respect to the normal line of the liquid crystal display element 1. Then, each dot 13a and the selected pixel 3a overlap each other from two directions with different angles between the left and right eyes of the observer (a direction inclined in one direction with respect to the normal and a direction inclined in the opposite direction). In order to see two different points, the two different points feel to the observer as if one point is seen by the left and right eyes, and the intersection L between the two directions, that is, the liquid crystal display element 1 There appears to be a display figure at a point shifted to the viewing side with respect to the liquid crystal layer 10, and the figure appears to protrude in the observation direction.

  That is, a large number of points due to moire whose brightness changes with a pitch sufficiently larger than the pixel pitch P and the dot pitch Pn are observed to float from the actual display surface, and the display area is defined by the plurality of points that are observed to float. Because it is configured, the display figure appears to be raised in the observation direction.

  Thus, the liquid crystal display device has the liquid crystal display element 1 on the outer surface of the rear substrate 4 of the liquid crystal display element 1 in which a plurality of pixels 3 are arranged in a matrix at a predetermined pitch P in the row direction and the column direction. A plurality of dots 13a having a shape corresponding to the pixel 3 and absorbing wavelength light in at least a part of the visible light band are larger than the pixel pitch P of the liquid crystal display element 1, and a predetermined dot pitch Pn. In the display region a corresponding to the display pattern among the plurality of pixels 3 of the liquid crystal display element 1 by the display driving means 15. The pixel 3 is selected with a pitch Pa smaller than the dot pitch Pn of the dot-like absorption layer 13, and a lighting voltage is applied between the electrodes 6 and 7 of the selected pixel 3a. It is possible to display a graphic with perspective look raised in direction.

  Further, in this liquid crystal display device, the display driving means 15 is arranged so that the pixels 3 in the non-display area (area other than the display area a) b of the liquid crystal display element 1 are the same as the dot pitch Pn of the dot-like absorption layer 13. And the lighting voltage is applied to the selected pixel 3a, so that the non-display area b of the liquid crystal display element 1 is emitted from the non-selected pixel 3b in the area b, and A background portion having a color in which the lighting color of the selected pixel 3a having the same pitch as the dot pitch Pn of the dot-like absorbing layer 13 and the light of the combined color of the dots 13a of the dot-like absorbing layer 13 appear to be mixed is used. The figure with the perspective can be displayed inside.

  Further, in this liquid crystal display device, the plurality of dots 13a of the dot-like absorption layer 13 are formed of an absorbent material having substantially the same color as the lighting color of the selected pixel 3a of the liquid crystal display element 1, A figure with perspective can be displayed in substantially the same color as the lighting color of the selected pixel 3 a of the liquid crystal display element 1.

  In the above embodiment, the pixels 3 in the display area a corresponding to the display pattern of the liquid crystal display element 1 are selected with a pitch Pa smaller than the dot pitch Pn of the dot-like absorption layer 13. The pixels 3 in one display area a may be selected at a pitch larger than the dot pitch Pn of the dot-like absorption layer 13, and a lighting voltage may be applied between the electrodes 6 and 7 of the selected pixel 3a.

  In FIG. 8, the dot-like absorption layer 13 is provided on the side opposite to the observation side with respect to the liquid crystal layer 10 of the liquid crystal display element 1, and the pixels 3 in the display area a of the liquid crystal display element 1 are arranged on the dot-like absorption layer 13. It is a schematic diagram which shows the position where the display figure can be seen when it selects with the pitch Pb larger than the dot pitch Pn, and it makes it light, and in this case, it looks like one point is seen to the observer with the left and right eyes An intersection L in the angular direction of two points where the perceived dot 13a of the dot-like absorbing layer 13 and the corresponding selection pixel 3a appear to overlap each other is the side opposite to the observation side with respect to the liquid crystal layer 10 of the liquid crystal display element 1 The displayed figure appears to be recessed in the direction opposite to the viewing direction.

  In the liquid crystal display device, the display driving means 15 includes a part of the plurality of figures to be displayed on the liquid crystal display element 1, the pixel 3 in the display area, and the dot pitch Pn of the dot-like absorption layer 13. It is also possible to select and light up with a smaller pitch than other pixels, and to select and light up other pixels in the display area with a pitch larger than the dot pitch Pn of the dot-like absorption layer 13. Well, by doing in this way, it is possible to simultaneously display a figure that appears in the observation direction and a figure that appears in the opposite direction.

  Further, the display driving means 15 selects a predetermined portion of the figure to be displayed on the liquid crystal display element 1 by selecting the pixels 3 in the display area at a pitch smaller than the dot pitch Pn of the dot-like absorption layer 13. The other part of the figure may be lit, and the pixels 3 in the display area may be selected and lit with a pitch larger than the dot pitch Pn of the dot-like absorption layer 13, in this way. By doing so, it is possible to display a graphic in which the predetermined part appears to protrude in the observation direction and the other part appears to be recessed in the opposite direction.

  Furthermore, in the liquid crystal display device of the above embodiment, the dot-like absorption layer 13 is provided on the outer surface of the rear substrate (substrate opposite to the observation side) 4 of the liquid crystal display element 1. 13 is provided on the outer surface of the front substrate (observation-side substrate) 5 of the liquid crystal display element 1, and the pitch of the selected pixel 3a in the display area a of the liquid crystal display element 1 with respect to the dot pitch Pn of the dot-like absorption layer 13 is The relationship between the displayed figure and the perspective may be reversed from that in the above embodiment.

  Further, in the liquid crystal display device of the above embodiment, the display driving means 15 selects the pixels 3 in the non-display area b of the liquid crystal display element 1 at the same pitch as the dot pitch Pn of the dot-like absorption layer 13, and the selected pixel. The display driving unit 15 may be configured to deselect all the pixels 3 in the non-display area b of the liquid crystal display element 1. .

  Further, in the liquid crystal display device, the dot-like absorption layer 13 is provided on the outer surface of one substrate of the liquid crystal display element 1 (the rear substrate 4 in the above embodiment). As in the second embodiment shown in FIG. 9, one of the outer surfaces of the polarizing plates 11 and 12 disposed on the outer surfaces of the pair of substrates 4 and 5 of the liquid crystal display element 1 (in the figure, the outer surface of the front polarizing plate 12) In addition, as in the third embodiment shown in FIG. 10, the inner surface of one of the pair of substrates 4 and 5 of the liquid crystal display element 1 (in the drawing, the inner surface of the front substrate 5) is provided. The dot-like absorption layer 13 may be provided.

  In the liquid crystal display device of each of the above embodiments, the surface light source 14 is arranged on the side opposite to the observation side of the liquid crystal display element 1, but instead of the surface light source 14, the liquid crystal display element 1 includes the surface light source 14. A reflective film that reflects light incident from the observation side (for example, external light that is the light of the usage environment of the liquid crystal display device) may be arranged to display a perspective figure by reflective display. The polarizing plate 11 on the rear side of the liquid crystal display element 1 is omitted, the reflection film is formed on the outer surface or the inner surface of the rear substrate 4 of the liquid crystal display element 1, and a polarizer and an analyzer are provided on the front polarizing plate 12. You may make it perform the reflective display by the 1 sheet polarizing plate used as it.

  Further, the liquid crystal display device of each of the above examples uses the GH type liquid crystal display element 1 provided with the polarizing plates 11 and 12 for increasing the display contrast. A GH type liquid crystal display element that does not include the polarizing plates 11 and 12 may be used.

  Further, the liquid crystal display element is not limited to an active matrix liquid crystal display element, and may be a simple matrix liquid crystal display element. Furthermore, the liquid crystal display element is not limited to a GH type liquid crystal display element, but a TN (twisted nematic) type liquid crystal display element or a non-twisted type. A homogeneous alignment type liquid crystal display element or the like may be used.

  In that case, the liquid crystal display element may be a normally white mode monochrome display element, and a plurality of black dot-shaped absorption layers may be provided on the outer surface or the inner surface of one of the substrates. Alternatively, the liquid crystal display element may be a display area. A color filter of one color for making the background portion a colored background over the entire area of the substrate, and a normally white mode display element for displaying a black figure in the colored background, with a black on the outer surface or inner surface of one of the substrates A plurality of dot-like absorption layers may be provided.

  Further, in the GH type liquid crystal display element and the TN type and homogeneous alignment type liquid crystal display element, the plurality of dot-like absorption layers have colors different from the lighting color of the selected pixel of the liquid crystal display element. You may form with an absorber.

1 is a cross-sectional view of a part of a liquid crystal display device showing a first embodiment of the present invention; The pixel arrangement | sequence figure of a liquid crystal display element. The dot arrangement | sequence figure of a dot-shaped absorption layer. The block diagram of a display control means. The front view which shows the example of a display of the said liquid crystal display element. The enlarged view of the VI section of FIG. The schematic diagram which shows the position where the display figure of the said liquid crystal display device can be seen. The schematic diagram which shows the position where a display figure can be seen when the pixel in the display area of the said liquid crystal display element is selected and lit with a pitch larger than the dot pitch of a dot-like absorption layer. Sectional drawing of the part of liquid crystal display device which shows 2nd Example of this invention. Sectional drawing of a part of liquid crystal display device which shows the 3rd Example of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Liquid crystal display element, 2 ... Display area, 3 ... Pixel, 4, 5 ... Substrate, 6, 7 ... Electrode, 10 ... Liquid crystal layer, 11, 12 ... Polarizing plate, 13 ... Dot-shaped absorption layer, 13a ... Dot, 14 ... surface light source, 15 ... display drive means.

Claims (3)

Electrodes for forming a plurality of pixels arranged in a matrix at predetermined pitches in a row direction and a column direction are provided on each of the opposing inner surfaces of a pair of substrates facing each other with a liquid crystal layer interposed therebetween. A liquid crystal display element;
A plurality of dots provided on an outer surface or an inner surface of one substrate of the liquid crystal display element, having a shape corresponding to the pixel, and absorbing wavelength light in at least a part of a visible light band. A dot-like absorbing layer formed by arranging in a row direction and a column direction at a predetermined dot pitch larger than the pixel pitch of
Among the plurality of pixels of the liquid crystal display element, a pixel in the display region corresponding to the display pattern is selected at a pitch different from the dot pitch of the dot-like absorption layer, and a lighting voltage is applied between the electrodes of the selected pixel. A liquid crystal display device comprising display drive means.   The display driving means selects a pixel in a region other than the display region of the liquid crystal display element at the same pitch as the dot pitch of the dot-like absorption layer, and applies a lighting voltage to the selected pixel. Liquid crystal display device.   3. The liquid crystal display device according to claim 1, wherein the plurality of dots of the dot-shaped absorption layer are formed of an absorbent material having substantially the same color as the lighting color of the selected pixel of the liquid crystal display element.

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