CN103246104B - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

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Publication number
CN103246104B
CN103246104B CN201310065372.8A CN201310065372A CN103246104B CN 103246104 B CN103246104 B CN 103246104B CN 201310065372 A CN201310065372 A CN 201310065372A CN 103246104 B CN103246104 B CN 103246104B
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China
Prior art keywords
optical filter
light optical
polarised light
liquid crystal
viewing area
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CN201310065372.8A
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Chinese (zh)
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CN103246104A (en
Inventor
波形雄介
佐佐木智章
加门慎二
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Honda Motor Co Ltd
Nippon Seiki Co Ltd
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Honda Motor Co Ltd
Nippon Seiki Co Ltd
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Priority claimed from JP2013012362A external-priority patent/JP5554850B2/en
Application filed by Honda Motor Co Ltd, Nippon Seiki Co Ltd filed Critical Honda Motor Co Ltd
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Abstract

Liquid crystal display device (1) has the 3rd polarised light optical filter (13) of liquid crystal panel (10), the 1st polarised light optical filter (11) of absorption-type, the 2nd polarised light optical filter (12) of color type and absorption-type or color type.Liquid crystal display device (1) has the 1st polarised light optical filter (11) 1st viewing area (81) overlapping with the 2nd polarised light optical filter (12) and the 1st polarised light optical filter (11) and the 3rd polarised light optical filter (13) when overlooking overlapping and the 2nd overlapping viewing area of a part of the 2nd polarised light optical filter (12) at least a portion.1st viewing area (81) is different with the display color of display key element (S2) with the display key element (S1) of the 2nd viewing area (82) or background (B1) is different with the display color of background (B2).

Description

Liquid crystal display device
Technical field
The present invention relates to liquid crystal display device.
Background technology
Have a kind of by being configured on the glass substrate of liquid crystal panel disclosed in Japanese real public clear 60-22340 publications Viewing area is divided into the liquid crystal display device in the different multiple regions of display color by the different multiple polarizers of tone.
The content of the invention
It is difficult due to assembly error of polarizer etc. in the liquid crystal display device of Japanese real public clear 60-22340 publications Polarizer is configured with very close to each other.In order that user can't see the gap and the situation of another component coverage gap of utilization Under, construction becomes complicated.
The present invention makes in view of the foregoing, its object is to provide simple structure, with display color it is different The liquid crystal display device of multiple viewing areas.
In order to achieve the above object, the liquid crystal display device of the 1st technical scheme of the invention is characterised by, the liquid crystal Showing device has：
Liquid crystal panel；
1st polarised light optical filter, it is configured at the display surface of above-mentioned liquid crystal panel；
2nd polarised light optical filter, it is configured at the back side of above-mentioned liquid crystal panel；
3rd polarised light optical filter, it is configured at the back side of above-mentioned liquid crystal panel, at least a portion and the above-mentioned 2nd during vertical view Polarised light optical filter it is a part of overlapping,
At least one party in above-mentioned 2nd polarised light optical filter and above-mentioned 3rd polarised light optical filter is the wavelength to regulation color The polarized color light optical filter (color polarization filter) that the light in region is passed it through not optically actively,
The liquid crystal display device has：Above-mentioned 1st polarised light optical filter and above-mentioned 2nd polarised light optical filter weight when overlooking The 1st folded viewing area；And above-mentioned 1st polarised light optical filter and above-mentioned 3rd polarised light optical filter is overlapping, above-mentioned 2nd polarised light Overlapping the 2nd viewing area of part at least a portion of optical filter,
Be shown in above-mentioned 1st viewing area the 1st display key element display color be shown in the of above-mentioned 2nd viewing area The display color of 2 display key elements is different, or the background of above-mentioned 1st viewing area shows the background of color and above-mentioned 2nd viewing area Show that color is different.
Using the present invention, simple structure, the liquid crystal display device with the different multiple viewing areas of display color can be provided.
Brief description of the drawings
Fig. 1 is the general principal view of the measuring instrumentss device of the liquid crystal display device with embodiments of the present invention 1.
Fig. 2 is the line A-A general profile chart of the measuring instrumentss device shown in Fig. 1.
Fig. 3 is the general profile chart of the composition for the liquid crystal display device for representing embodiment 1.
Fig. 4 is to represent to be shown in the display key element of the viewing area of the liquid crystal display device of embodiment 1 and the figure of background.
Fig. 5 is the schematic diagram of the display of the background for the 1st viewing area for representing embodiment 1.
Fig. 6 is the schematic diagram of the display of the display key element for the 1st viewing area for representing embodiment 1.
Fig. 7 is the schematic diagram of the display of the background for the 2nd viewing area for representing embodiment 1.
Fig. 8 is the schematic diagram of the display of the display key element for the 2nd viewing area for representing embodiment 1.
Fig. 9 is the general profile chart of the liquid crystal display device of embodiment 3.
Figure 10 is the schematic diagram of the display of the background for the 1st viewing area for representing embodiment 4.
Figure 11 is the schematic diagram of the display of the display key element for the 1st viewing area for representing embodiment 4.
Figure 12 is the schematic diagram of the display of the background for the 2nd viewing area for representing embodiment 4.
Figure 13 is the schematic diagram of the display of the display key element for the 2nd viewing area for representing embodiment 4.
Figure 14 is the general profile chart for the composition for representing liquid crystal display device.
Figure 15 is the schematic diagram of the display of the background for the 1st viewing area for representing embodiment 5.
Figure 16 is the schematic diagram of the display of the display key element for the 1st viewing area for representing embodiment 5.
Figure 17 is the schematic diagram of the display of the background for the 2nd viewing area for representing embodiment 5.
Figure 18 is the schematic diagram of the display of the display key element for the 2nd viewing area for representing embodiment 5.
Figure 19 is the schematic diagram of the display of the background for the 1st viewing area for representing embodiment 6.
Figure 20 is the schematic diagram of the display of the display key element for the 1st viewing area for representing embodiment 6.
Figure 21 is the schematic diagram of the display of the background for the 2nd viewing area for representing embodiment 6.
Figure 22 is the schematic diagram of the display of the display key element for the 2nd viewing area for representing embodiment 6.
Figure 23 is the schematic diagram of the display of the background for the 1st viewing area for representing embodiment 7.
Figure 24 is the schematic diagram of the display of the display key element for the 1st viewing area for representing embodiment 7.
Figure 25 is the schematic diagram of the display of the background for the 2nd viewing area for representing embodiment 7.
Figure 26 is the schematic diagram of the display of the display key element for the 2nd viewing area for representing embodiment 7.
Embodiment
(embodiment 1)
It is described with reference to the liquid crystal display device of embodiments of the present invention 1.
As shown in Figure 1, 2, the liquid crystal display device 1 of present embodiment is located at the measuring instrumentss device being equipped on vehicle On 100.Liquid crystal display device 1 measures (for example, operating range, fuel residual amount) based on showing.
Hereinafter, the liquid crystal display device of present embodiment is described in detail after the schematic configuration of measuring instrumentss device 100 is illustrated 1。
(composition of measuring instrumentss device 100)
As shown in Figure 1, 2, measuring instrumentss device 100 have liquid crystal display device 1, pointer gauge 2, display board 3, Central enclosure 4, the circuit board 5 containing control unit (not shown), aft case 6 and front shell 7.
Pointer gauge 2 has motor 20 and pointer 21.Pointer gauge 2 on display board 3 by revolving The pointer 21 turned and the contrast in the index portion 30 of display board 3 count measurement (for example, speed) to show.Pointer 21 utilizes motor 20 Power rotated.Motor 20 is made up of such as stepper motor.Motor 20 is installed on circuit board 5.The profit of motor 20 Rotary shaft 20a is rotated with the control of control unit according to meter measurement (such as, speed).Pointer 21 is installed on the rotation of motor 20 On axle 20a.Moreover, pointer 21 rotates with rotary shaft 20a rotation.In addition, pointer 21 has light conductor (not shown).Refer to The light conductor of pin 21 will be drawn by the light from light source 5b described later of the reception (not shown) of the light accepting part near rotary shaft 10a It is directed at front end and the injection of pointer 21.
Display board 3 is made up of transparent resin etc..Display board 3 is carried out defined printing.Display board 3 is placed in central enclosure On 4.For example, forming the shading that a part is blank character in the substantially entire surface of the one side opposite with user of display board 3 The printing layer (for example, printing layer of black) (part of blank character does not form the printing layer of light-proofness) of property.Display board 3 passes through Blank character display scale 30a, numerical value 30b etc. index portion 30.In addition, in the one side opposite with user of display board 3 The printing layer of light-proofness of the formation from forming blank character is different in a part translucency or another printing layer of light-proofness.It is aobvious Show that plate 3 represents the substantially a ring-shaped decorative appearance 31 along the slewing area of pointer 21 by other printing layers.In display board 3 In the case of being illuminated by light source 5c described later, direction of the light from light source 5c from index portion 30 to user is projected.In addition, In the case that the printing layer of performance decorative appearance 31 has translucency, the light from light source 5c is also projected from decorative appearance 31.Survey Measure metering device 100 and pass through above-mentioned injection light, pointer gauge 2, the display meter measurement of pointer 21.In addition, on display board 3 It is formed with the display window 3a for exposing the display surface of liquid crystal display device 1.
Central enclosure 4 is made up of polypropylene (polypropylene) resin etc..Central enclosure 4 is used to keep display board 3. In addition, circuit board 5 is disposed in the one side opposite with user of central enclosure 3.Central enclosure 4, which has, will come from light source described later 5a, 5b, 5c light guide to liquid crystal display device 1, pointer 21, display board 3 illuminating chamber.By the light from light source 5c guide to The illuminating chamber 41 of display board 3 has the reflective construct of the grade of index portion 30 for illumination display board 3.Using the reflective construct, come Display board 3 is equably irradiated in from light source 5c light.
Circuit board 5 is that defined wiring diagram is formed with the base material for the tabular being made up of resin containing glass fibre etc. The printed circuit board of case.Motor 20, light source 5a, 5b, 5c, control unit (not shown) etc. are installed on circuit board 5.Light source 5a, The LED (Light Emitting Diode) of 5b, 5c for example by projecting white light towards the direction of user (direction of display board 3) Constitute.Control unit according to from vehicle ECU (Electronic Control Unit) by order wire transmission come information etc. obtain Various meter measurements (speed, operating range, fuel residual amount etc.).Control unit control liquid crystal display device 1, pointer gauge 2 Action.Moreover, control unit makes the meter measurement obtained be shown in liquid crystal display device 1, pointer gauge 2.Control unit has There are microcomputer and the driving IC (Integrated for driving liquid crystal display device 1, motor 20, light source 5a, 5b, 5c Circuit)。
Aft case 6 is made up of polypropylene (polypropylene) resin etc..Aft case 6 is for protection circuit plate 5 Covering board 5.Aft case 6 combines (chimeric) by hook (not shown) etc. with central enclosure 4.
Front shell 7 has the cloche 7a and lining papers component 7b of translucency.Lining papers component 7b is by resin of light-proofness etc. Constitute.Lining papers component 7b divides the visibility region of display board 3 and non-visible region.In addition, lining papers component 7b by hook etc. with Portion's housing 4 combines (chimeric).In addition, lining papers component 7b and the clamping display board 3 of central enclosure 4.Cloche 7a passes through (not shown) Hook etc. combines (chimeric) in the end of lining papers component 7b user side.
(composition of liquid crystal display device 1)
As shown in figure 3, liquid crystal display device 1 has liquid crystal panel 10, the 1st polarised light optical filter (polarization Filter) the 11, the 2nd polarised light optical filter 12 and the 3rd polarised light optical filter 13.In addition, liquid crystal display device 1 has diffusing panel 14 With the framework (not shown) for storing each portion.Framework is made up of the metals such as aluminium or resin.In addition, in figure 3, eliminating liquid crystal panel 10 hatching (Fig. 9, Figure 14 described later are similarly).Liquid crystal display device 1 is kept (Fig. 2) by central enclosure 4.
Liquid crystal panel 10 has a pair of transparency carriers 10a, 10b toward each other and by transparency carrier 10a, 10b clamping Liquid crystal 10e.
Transparency carrier 10a, 10b are constituted such as by glass, plastics.Transparency carrier 10a, 10b are on face relative to each other With transparency electrode portion 10c, 10d.In addition, being formed with the transparent electricity of covering on transparency carrier 10a, 10b face relative to each other Pole portion 10c, 10d alignment films (not shown).Transparency carrier 10a is located at the user side of liquid crystal panel 10.In addition, transparency carrier 10b is located at the side opposite with user of liquid crystal panel 10.
Transparency electrode portion 10c, 10d are for example made up of ITO (Indium Tin Oxide) film.Transparency electrode portion 10c is by table Multiple section electrodes of the shape of existing each display key element described later are constituted.Transparency electrode portion 10d is by relative with multiple section electrodes Divided public electrode constitute.Section electrode, public electrode are formed using known method (sputtering, evaporation, etching etc.). Voltage is applied by passive drive mode on transparency electrode portion 10c, 10d.That is, liquid crystal panel 10 is to carry out sectional to show The liquid crystal panel of passive drive mode.
The part overlapping with transparency electrode portion 10d transparency electrode portion 10c when overlooking of liquid crystal display device 1 shows each display Key element.Liquid crystal display device 1 shows performance mark (including text by the display key element or multiple display key elements of composition independency Word, numeral), the defined outward appearance of figure.Liquid crystal display device 1 between a pair of transparency electrode portions 10c, 10d by applying threshold It is worth the voltage of the above and shows key element in viewing area 8 (Fig. 4) display.In addition, so-called display key element, to transparency electrode portion An independent shape for viewing area 8 is displayed in the case of voltage more than threshold value is applied between 10c, 10d.
In the present embodiment, as shown in figure 4, the viewing area 8 of liquid crystal display device 1, which is divided into background, shows color not Same the 1st viewing area 81 and the 2nd viewing area 82.For example, reporting difference to the 1st viewing area 81 and the 2nd viewing area 82 Information.Specifically, by combining multiple display key element S1, shown in the 1st viewing area 81 by the numerical value of 7 section performances With the outward appearance for the word composition for representing unit as " km ".Thus, in the 1st viewing area 81, can report the traveling of vehicle away from From.By combining multiple display key element S2, shown in the 2nd viewing area 82 by represent Empty " E ", represent Full " F " and The outward appearance that bar line statistical form is constituted.Thus, can reporting fuel surplus in the 2nd viewing area.In addition, in liquid crystal display device 1, For example, the background B1 of the 1st viewing area 81 display color, display key element S1 background B1 display color are respectively indicated as " indigo plant Color ", " white ".In addition, the background B2 of the 2nd viewing area 82 display color, display key element S2 display color be respectively indicated as it is " black Color ", " white ".On showing that the display of key element and background sees below detailed description.
Liquid crystal 10e is, for example, nematic liquid crystal material.Alignment films (not shown) and liquid crystal 10e are in succession.In addition, alignment films limit liquid Brilliant 10e state of orientation.Alignment films are for example made up of polyimides.Alignment films pass through known method (for example, flexible printing) Formed.The alignment films formed on transparency carrier 10a, 10b are applied orientation process (friction treatment) along mutually orthogonal direction. The orientation of liquid crystal 10e molecular long axis is reversed in the presence of the orientation restraint of alignment films between transparency carrier 10a, 10b 90°.In addition, transparent base of the liquid crystal 10e molecular long axis from the transparency carrier (such as transparency carrier 10a) of a side towards the opposing party Plate (such as transparency carrier 10b) somewhat rotates (chiral structure, chiral architecture).That is, the liquid crystal of present embodiment Display device 1 is the liquid crystal display device of TN (Twisted Nematic, twisted nematic) type.In addition, in following embodiment Explanation in, in order to be readily appreciated that the composition of liquid crystal display device 1, illustrate liquid crystal display device 1 be TN types liquid crystal display fill Put.
1st polarised light optical filter 11 passes through the light of the polarized component parallel between axlemolecules 11a in the light of incidence.It is another Aspect, the 1st polarised light optical filter 11 absorb the polarized component orthogonal with the between axlemolecules 11a of the 1st polarised light optical filter 11 light (with The light of the polarized component parallel with the absorption axiss (not shown) that between axlemolecules 11a is orthogonal).1st polarised light optical filter 11 is, for example, to inhale Receipts type polarizer.The display surface that 1st polarised light optical filter 11 is configured at liquid crystal panel 10 (is for example pasted on transparency carrier 10a's The face of user side).
The light of the wavelength region of 2nd 12 pairs of regulation colors of polarised light optical filter is passed it through not optically actively.In addition, the 2 polarised light optical filters 12 make the light of the polarized component parallel between axlemolecules 12a in the light of the wavelength region beyond regulation color saturating Cross.On the other hand, the 2nd polarised light optical filter 12 absorbs orthogonal between axlemolecules 12a in the light of the wavelength region beyond regulation color Polarized component light (and light of the polarized component parallel with the absorption axiss that between axlemolecules 12a is orthogonal).For example, the 2nd polarised light is filtered Mating plate 12 is polarized color light optical filter (color polarizing plate).In the present embodiment, the 2nd polarised light optical filter 12 is blue inclined Shake piece.It is used as the light (blueness of the blue wavelength region in 12 pairs of incident light of the 2nd polarised light optical filter of blue polarizer Light) pass it through not optically actively.In addition, the 2nd polarised light optical filter 12 makes in the light of the wavelength region beyond blueness The light (rectilinearly polarized light) of the polarized component parallel between axlemolecules 12a is passed through.On the other hand, the 2nd polarised light optical filter 12 absorbs Light (and the suction orthogonal between axlemolecules 12a of the polarized component orthogonal between axlemolecules 12a in the light of wavelength region beyond blueness Receive the light of the parallel polarized component of axle).2nd polarised light optical filter 12 is configured at the back side of liquid crystal panel 10 (for example, being adhered to The bright substrate 10b one side opposite with user).
3rd polarised light optical filter 13 passes through the light of the polarized component parallel between axlemolecules 13a in the light of incidence.It is another Aspect, the 3rd polarised light optical filter 13 absorbs light (and the suction orthogonal between axlemolecules 13a of the polarized component orthogonal between axlemolecules 13a Receive the light of the parallel polarized component of axle).3rd polarised light optical filter 13 is, for example, absorption-type polarizer.3rd polarised light optical filter 13 It is configured at the back side of liquid crystal panel 10 a part of overlapping (for example, being adhered to the 2nd polarised light with the 2nd polarised light optical filter 12 The one side opposite with user of optical filter 12).
1st polarised light optical filter 11 and the 2nd polarised light optical filter 12 have identical profile.1st polarised light optical filter 11 It is configured to the 2nd polarised light optical filter 12 overlapping when overlooking.In addition, the profile of the 3rd polarised light optical filter 13 is less than the 2nd polarization The profile of light optical filter 12.It is all inclined with the 2nd that 3rd polarised light optical filter 13 is configured to the 3rd polarised light optical filter 13 when overlooking Shake a part of overlapping of light optical filter 12.As shown in figure 3, the 3rd polarised light optical filter 13 is configured to cover the 2nd polarised light optical filter 12 the latter half.
As shown in Fig. 5~Fig. 8, the 1st polarised light optical filter 11, the 2nd polarised light optical filter 12, the 3rd polarised light optical filter 13 Between axlemolecules 11a, 12a, 13a be configured to (configured in parallel) parallel to each other.
Diffusing panel 14 is by from light diffusion incident light source 5a.The light from light source 5a diffused incides liquid crystal panel 10.Diffusing panel 14 is for example made up of the piece of multiple micro lens with random configuration.Because the light from light source 5a is overflow Penetrate plate 14 equably to diffuse, therefore, liquid crystal display device 1 can realize uniform display.Diffusing panel 14 and light source 5a are in liquid crystal Play a part of backlight in showing device 1.That is, the liquid crystal display device 1 of present embodiment is the liquid crystal display device of infiltration type.
In the liquid crystal display device 1 of the present embodiment constituted more than, the background B1 of the 1st viewing area 81 display color It is easily seen by the user as blueness.In addition, the background B2 of the 2nd viewing area 82 display color is easily seen by the user as black.In addition, 1st viewing area 81, the display color of display key element S1, S2 of the 2nd viewing area 82 are easily seen by the user as white.Reference picture 5 ~Fig. 8 illustrates background B1, B2 of the liquid crystal display device 1 of present embodiment and shows the display of key element S1, S2.
In the feelings of the voltage to being applied between transparency electrode portion 10c and transparency electrode portion 10d more than liquid crystal 10e threshold value Under condition, liquid crystal 10e molecular long axis is oriented to the application direction (direction of an electric field) of voltage.That is, in transparency electrode portion 10c and transparent The part for the voltage being applied between electrode portion 10d more than liquid crystal 10e threshold value, liquid crystal 10e chiral structure disappears.This reality The liquid crystal display device 1 for applying mode shows key element S1, S2 in the part display that liquid crystal 10e chiral structure disappears.In addition, The part of the liquid crystal 10e voltage being not applied to more than threshold value, liquid crystal 10e chiral structure is maintained.The liquid of present embodiment Part display background B1, B2 that crystal device 1 is maintained in the chiral structure.
(the background B1 of the 1st viewing area 81)
Reference picture 5 illustrates the background B1 of the 1st viewing area 81 display.
The white light that light source 5a is projected incides the 2nd polarised light optical filter 12.Because the 2nd polarised light optical filter 12 is blueness Polarizer, therefore, incides light (blue light) 111a of in the white light of the 2nd polarised light optical filter 12, blue wavelength region Projected in the state of not by polarization from the 2nd polarised light optical filter 12.The blue ripple projected from the 2nd polarised light optical filter 12 The light 111b in long region incides liquid crystal panel 10.As described above, in display background B1 part, liquid crystal 10e chiral structure It is maintained.Therefore, the light 111b for inciding the blue wavelength region of liquid crystal panel 10 is inclined in the chiral structure because of liquid crystal 10e Smooth surface is projected in the state of have rotated 90 ° from liquid crystal panel 10.The light of the blue wavelength region projected from liquid crystal panel 10 111c incides the 1st polarised light optical filter.Here, the light 111c of the blue wavelength region projected from liquid crystal panel 10 is not due to By the polarization of the 2nd polarised light optical filter 12, therefore, including it is parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 straight Linearly polarized light and the rectilinearly polarized light vertical with the between axlemolecules 11a of the 1st polarised light optical filter 11.Therefore, the 1st polarised light is incided The light 111c of the blue wavelength region of optical filter 11 (absorption-type polarizer) is used as the between axlemolecules with the 1st polarised light optical filter Rectilinearly polarized light 111d parallel 11a is projected from the 1st polarised light optical filter 11.
On the other hand, the light of the wavelength region beyond in the white light of the 2nd polarised light optical filter 12, blueness is incided (blueness beyond light) 112a is as the rectilinearly polarized light 112b parallel with the between axlemolecules 12a of the 2nd polarised light optical filter 12 from the 2nd Polarised light optical filter 12 is projected.Incide liquid crystal panel 10 blueness beyond wavelength region rectilinearly polarized light 112b because of liquid Brilliant 10e chiral structure and plane of polarisation is projected in the state of have rotated 90 ° from liquid crystal panel 10.Therefore, penetrated from liquid crystal panel 10 The rectilinearly polarized light 112c of wavelength region beyond the blueness gone out can not be passed through with the between axlemolecules with the 2nd polarised light optical filter 12 Between axlemolecules 11a parallel 12a the 1st polarised light optical filter 11.
As previously discussed, because the rectilinearly polarized light 111d of the wavelength region of blueness is projected from the 1st polarised light optical filter 11, Therefore, the background B1 of the 1st viewing area 81 display color is blueness.
(the display key element S1 of the 1st viewing area 81)
Reference picture 6 illustrates the display key element S1 of the 1st viewing area 81 display.
The white light that light source 5a is projected incides the 2nd polarised light optical filter 12.Because the 2nd polarised light optical filter 12 is blueness Polarizer, therefore, incide it is in the white light of the 2nd polarised light optical filter 12, blueness wavelength region light 113a not by Projected in the state of polarization from the 2nd polarised light optical filter 12.The blue wavelength zone projected from the 2nd polarised light optical filter 12 The light 113b in domain incides liquid crystal panel 10.As it was previously stated, showing key element S1 part, liquid crystal 10e chiral structure in display Disappear.Therefore, incide liquid crystal panel 10 blue wavelength region light 113b in the state of plane of polarisation is maintained from liquid Crystal panel 10 is projected.The light 113c of the blue wavelength region projected from liquid crystal panel 10 incides the 1st polarised light optical filter 11. Here, the light 113c of the blue wavelength region projected from liquid crystal panel 10 is not due to by the polarization of the 2nd polarised light optical filter 12 Effect, therefore, including the rectilinearly polarized light parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 and filters with the 1st polarised light Rectilinearly polarized light vertical the between axlemolecules 11a of piece 11.Therefore, the 1st polarised light optical filter 11 (absorption-type polarizer) is incided The light 113c of the wavelength region of blueness is used as the rectilinearly polarized light 113d parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 Projected from the 1st polarised light optical filter.
On the other hand, the light of the wavelength region beyond in the white light of the 2nd polarised light optical filter 12, blueness is incided 114a is as the rectilinearly polarized light 114b parallel with the between axlemolecules 12a of the 2nd polarised light optical filter 12 from the 2nd polarised light optical filter 12 Project.Incide the rectilinearly polarized light 114b and the light of the wavelength region of blueness of the wavelength region beyond the blueness of liquid crystal panel 10 113b is similarly projected in the state of plane of polarisation is maintained from liquid crystal panel 10.Due to the transmission of the 1st polarised light optical filter 11 Axle 11a is parallel with the between axlemolecules 12a of the 2nd polarised light optical filter 12, therefore, the wavelength beyond the blueness projected from liquid crystal panel 10 The rectilinearly polarized light 114c in region passes through the 1st polarised light optical filter 11.That is, the rectilinearly polarized light of the wavelength region beyond blueness 114d is projected from the 1st polarised light optical filter 11.
Ripple beyond the rectilinearly polarized light 113d and blueness of the blue wavelength region projected from the 1st polarised light optical filter 11 The rectilinearly polarized light 114d in long region ratio is substantially straight with the blue wavelength region from the light source 5a white lights projected Linearly polarized light 113a is equal with the rectilinearly polarized light 114a of the wavelength region beyond blueness ratio.Therefore, the 1st viewing area 81 Display key element S1 display color for white.
(the background B2 of the 2nd viewing area 82)
Reference picture 7 illustrates the background B2 of the 2nd viewing area 82 display.
The white light that light source 5a is projected incides the 3rd polarised light optical filter 13.Because the 3rd polarised light optical filter 13 is to absorb Type polarizer, therefore, incident white light 115a are inclined as the straight line parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13 The light 115b that shakes is projected from the 3rd polarised light optical filter 13.Because the between axlemolecules 12a of the 2nd polarised light optical filter 12 and the 3rd polarised light are filtered The between axlemolecules 13a of mating plate 13 is parallel, therefore, and the white rectilinearly polarized light 115b projected from the 3rd polarised light optical filter 113 is passed through 2nd polarised light optical filter.The white rectilinearly polarized light 115c projected from the 2nd polarised light optical filter 12 incides liquid crystal panel 10.Inciding the white rectilinearly polarized light 115c of liquid crystal panel 10, plane of polarisation have rotated in the chiral structure because of liquid crystal 10e Projected in the state of 90 ° from liquid crystal panel 10.White rectilinearly polarized light 115d from the injection of liquid crystal panel 10 is due to plane of polarisation It is rotated by 90 °, it is thus impossible to inclined through the with the between axlemolecules 11a parallel with the between axlemolecules 12a of the 2nd polarised light optical filter 12 the 1st Shake light optical filter 11.Therefore, the background B2 of the 2nd viewing area 82 display color is black.
(the display key element S2 of the 2nd viewing area 82)
Reference picture 8 illustrates the display key element S2 of the 2nd viewing area 82 display.
The white light that light source 5a is projected incides the 3rd polarised light optical filter 13.Because the 3rd polarised light optical filter 13 is to absorb Type polarizer, therefore, incident white light 116a are inclined as the straight line parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13 The light 116b that shakes is projected from the 3rd polarised light optical filter 13.The white rectilinearly polarized light 116b projected from the 3rd polarised light optical filter is saturating Cross the 2nd polarised light optical filter 12 with the between axlemolecules 12a parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13.From the 2nd The white rectilinearly polarized light 116c that polarised light optical filter 12 is projected incides liquid crystal panel 10.Key element S2 portion is shown in display Point, liquid crystal 10e chiral structure disappears, therefore, and the white rectilinearly polarized light 116c projected from the 2nd polarised light optical filter 12 exists Maintain and projected from liquid crystal panel 10 in the state of plane of polarisation.Because the between axlemolecules 11a and the 2nd of the 1st polarised light optical filter 11 is inclined Shake light optical filter 12 between axlemolecules 12a it is parallel, therefore, the white rectilinearly polarized light 116d projected from liquid crystal panel 10 passes through the 1 polarised light optical filter 11.That is, white rectilinearly polarized light 116e is projected from the 1st polarised light optical filter 11.Therefore, the 2nd viewing area The display key element S2 in domain 82 display color is white.
As shown above, the liquid crystal display device 1 of present embodiment shows the background B1 of the 1st viewing area 81 display color Blueness is shown as, the background B2 of the 2nd viewing area 82 display color is shown as black.In liquid crystal display device 1, due to the 2nd The polarised light optical filter 13 of polarised light optical filter 12 and the 3rd be configured to overlook when it is overlapping, therefore, in the 1st viewing area 81 and the 2nd Gap is not produced between viewing area 82.Therefore, the display quality of liquid crystal display device 1 is good.Also, liquid crystal display device 1 Simple structure.
(embodiment 2)
In the present embodiment, the between axlemolecules 11a of the 1st polarised light optical filter 11 configuration is different from embodiment 1.At this In embodiment, the between axlemolecules 11a of the 1st polarised light optical filter 11 be configured to the between axlemolecules 12a of the 2nd polarised light optical filter 12, The between axlemolecules 13a of 3rd polarised light optical filter 13 is orthogonal.In addition, the between axlemolecules 12a and the 3rd polarised light of the 2nd polarised light optical filter 12 The between axlemolecules 13a of optical filter 13 is configured to parallel.Others constitute identical with embodiment 1.Utilize the polarised light optical filter Configuration, the display color that can make the display key element S1 of the 1st viewing area 81 is blueness, the display key element S2's of the 2nd viewing area 82 Display color is black.In this case, the background B1 of the 1st viewing area 81, the background B2 of the 2nd viewing area 82 display color are White.I.e., in the present embodiment, the background of embodiment 1 can be made to show display color of the color for display key element, make display key element Display color for background show color.
In addition, the 2nd polarised light optical filter 12 can also be other Color Polarizations such as red polarizer, green polarizer Piece.
(embodiment 3)
In the present embodiment, the configuration of the 3rd polarised light optical filter 13 is different from embodiment 1.That is, as shown in figure 9, 3 polarised light optical filters 13 are configured at the two of the one side opposite with user of the 2nd polarised light optical filter 12.Others constitute with Embodiment 1 is identical.As shown in figure 9, by setting defined interval between two the 3rd polarised light optical filters 13, also can profit The ground of the 1st viewing area 81 is clipped with two the 2nd viewing areas 82 to be shown.In addition, the 3rd polarised light optical filter 13 can also be set Put more than 3.
(embodiment 4)
In the present embodiment, from the 2nd polarised light optical filter 12 and the 3rd polarised light optical filter unlike embodiment 1 13 be color polarizing plate.2nd polarised light optical filter 12, the 3rd polarised light optical filter 13 are the wavelength zone to defined 1st color respectively The light in domain, the light of the wavelength region of defined 2nd color do not make the color polarizing plate of transmission not optically actively.In addition, defined The wavelength region of 1st color includes the wavelength region of defined 2nd color.Specifically, the 1st color, the 2nd color are respectively that purple is (red And blueness), blueness.That is, the 2nd polarised light optical filter 12, the 3rd polarised light optical filter are purple polarizer, blue polarizer respectively. Purple polarizer is not optically active relative to the light and the light of the wavelength region of blueness of red wavelength region.Others are constituted It is identical with embodiment 1.
(background B1, the display key element S1 of the 1st viewing area 81)
The background B1 of 1st viewing area 81 display color is purple.As shown in Figure 10, the 2nd polarised light optical filter is incided Wavelength region in the white light from light source 5a of 12 (purple polarizers), red, the light 141a of the wavelength region of blueness, 142a passes through the 2nd polarised light optical filter 12, liquid crystal panel in the same manner as the light 111a of the blue wavelength region of embodiment 1 10th, the 1st polarised light optical filter 11 (141a~141d, 142a~142d).That is, the wavelength region of red wavelength region, blueness Rectilinearly polarized light 141d, 142d projected from the 1st polarised light optical filter 11 (absorption-type polarizer).On the other hand, such as Figure 10 institutes Show, the red rectilinearly polarized light 143c of wavelength region is same with the light 112d of the wavelength region beyond the blueness of embodiment 1 Ground can not pass through the 1st polarised light optical filter 11 (143a~143c).
In addition, the display key element S1 of the 1st viewing area 81 display color is white.Incide the 2nd polarised light optical filter 12 The white light from light source 5a in, red wavelength region, rectilinearly polarized light 144a, 145a of the wavelength region of blueness with The light 113a of the blue wavelength region of embodiment 1 is similarly inclined through the 2nd polarised light optical filter 12, liquid crystal panel the 10, the 1st Shake light optical filter 11 (144a~144d, 145a~145d).The blueness of light 146a and the embodiment 1 of the wavelength region of green with The light 114a of outer wavelength region similarly passes through the 2nd polarised light optical filter 12, liquid crystal panel 10, the 1st polarised light optical filter 11 (146a146d).That is, red wavelength region, the wavelength region of green, the rectilinearly polarized light 144d of the wavelength region of blueness, 146d, 145d are projected (Figure 11) from the 1st polarised light optical filter 11.
(the background B2 of the 2nd viewing area 82)
In the 2nd viewing area 82, the white light of the 3rd polarised light optical filter 13 (blue polarizer) is incided from light source 5a In red wavelength region light 147a and green wavelength region light 148a as saturating with the 3rd polarised light optical filter 13 Axle 13a parallel rectilinearly polarized light 147b, 148b is crossed to project (Figure 12) from the 3rd polarised light optical filter 13.Due to the filter of the 2nd polarised light The between axlemolecules 12a of mating plate 12 (purple polarizer) is parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13, therefore, these straight lines Polarised light 147c, 148c pass through the 2nd polarised light optical filter 12.The red wavelength region projected from the 2nd polarised light optical filter 12 Liquid crystal panel 10 is incided with rectilinearly polarized light 147c, 148c of the wavelength region of green.Display in the 2nd viewing area 82 is carried on the back Scape B2 part, because liquid crystal 10e chiral structure is maintained, therefore, these rectilinearly polarized lights 147c, 148c revolves in plane of polarisation Projected in the state of having turned 90 ° from liquid crystal panel 10.Because the between axlemolecules 11a of the 1st polarised light optical filter 11 and the 2nd polarised light are filtered The between axlemolecules of mating plate 12 are parallel, therefore, and plane of polarisation have rotated the light and the wavelength region of green of 90 ° of red wavelength region Rectilinearly polarized light 147d, 148d can not pass through the 1st polarised light optical filter 11 (Figure 12).
As shown in figure 12, the light 149a of the blue wavelength region in white light from light source 5a is not by polarization In the state of (come from through the 3rd polarised light optical filter 13 (blue polarizer), the 2nd polarised light optical filter 12 (purple polarizer) The injection light of 3rd polarised light optical filter 13 is 149b).The light of the blue wavelength region projected from the 2nd polarised light optical filter 12 149c incides liquid crystal panel 10.In the display background B2 of the 2nd viewing area 82 part, due to liquid crystal 10e chiral structure It is maintained, therefore, the light 149c of the blue wavelength region projected from the 2nd polarised light optical filter 12 have rotated 90 ° in plane of polarisation In the state of projected from liquid crystal panel 10.The light 149d of the blue wavelength region projected from liquid crystal panel 10 is not due to by the 2nd The polarization of polarised light optical filter 12, the 3rd polarised light optical filter 13, therefore including the transmission with the 1st polarised light optical filter 11 Rectilinearly polarized light parallel axle 11a and the rectilinearly polarized light vertical with the between axlemolecules 11a of the 1st polarised light optical filter 11.Therefore, from The light 149d for the blue wavelength region that liquid crystal panel 10 is projected is as parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 Rectilinearly polarized light 149e projected (Figure 12) from the 1st polarised light optical filter 11.
As previously discussed, in the part of the display background of the 2nd viewing area 82, the rectilinearly polarized light of blue wavelength region 149e is projected from the 1st polarised light optical filter 11.Therefore, the background colour B2 of the 2nd viewing area 82 is blueness.
(the display key element S2 of the 2nd viewing area 82)
Display in the 2nd viewing area 82 shows key element S2 part, because liquid crystal 10e chiral structure disappears, therefore, The light of arbitrary wavelength region is projected all in the state of plane of polarisation is maintained from liquid crystal panel 10.Therefore, filtered from the 2nd polarised light The red wavelength region of mating plate injection, rectilinearly polarized light 147c, 148c of the wavelength region of green are used as red wavelength zone Domain, rectilinearly polarized light 147e, 148e of the wavelength region of green are projected (Figure 13) from liquid crystal panel 10.Moreover, red wavelength Region, rectilinearly polarized light 147f, 148f of the wavelength region of green are projected (Figure 13) from the 1st polarised light optical filter 11.In addition, from The light 149c for the blue wavelength region that 2nd polarised light optical filter is projected is as the light 149f of the wavelength region of blueness from liquid crystal surface Plate 10 is projected.Moreover, the rectilinearly polarized light of the blue wavelength region parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 149g is projected (Figure 13) from the 1st polarised light optical filter 11.Therefore, the display key element S2 of the 2nd viewing area 82 display color is white Color.
As previously discussed, in the present embodiment, can make the background B1 of the 1st viewing area 81 display color (purple), the 2nd The background B2 of viewing area 82 display color (blueness) has different chromatic colours.
In addition, as shown in figure 14, in the 2nd viewing area 82, even in a part and the 3rd for the 2nd polarised light optical filter 12 Polarised light optical filter 13 it is a part of it is overlapping in the case of, display color overall the background B2 of the 2nd viewing area 82 is also blueness.
(embodiment 5)
In the present embodiment, a part for the wavelength region of defined 1st color and the wavelength region of defined 2nd color A part of overlapping this point is different from embodiment 4.For example, the 2nd polarised light optical filter 12 is relative to red wavelength region The light of the wavelength region of light and green is not optically active (yellow polarizer).In addition, the 3rd polarised light optical filter is for green The light of wavelength region and the light of the wavelength region of blueness is not optically active (water colour (cyano group) polarizer).Others are constituted and real Apply mode 4 identical.
(background B1, the display key element S1 of the 1st viewing area 81)
The background B1 of 1st viewing area 81 display color is yellow (red and green).As shown in figure 15, the 2nd is incided Wavelength region in the white light from light source 5a of polarised light optical filter 12 (yellow polarizer), red and the wavelength of green Light 151a, the 152a in region, are filtered in the same manner as the light 111a of the blue wavelength region in embodiment 1 through the 2nd polarised light Mating plate 12, liquid crystal panel 10, the 1st polarised light optical filter 11 (151a~151d, 152a~152d).That is, red wavelength region Projected with rectilinearly polarized light 151d, 152d of the wavelength region of green from the 1st polarised light optical filter 11 (absorption-type polarizer).Separately On the one hand, the rectilinearly polarized light 153c of the blue wavelength region and light 112d of the wavelength region beyond the blueness of embodiment 1 The 1st polarised light optical filter 11 (153a~153c) can not similarly be passed through.
In addition, the display key element S1 of the 1st viewing area 81 display color is white.As shown in figure 16, red wavelength zone Domain, the wavelength region of green light 154a, 155a in the same manner as the light 113a of the blue wavelength region of embodiment 1 through the 2 polarised light optical filters 12, liquid crystal panel 10, the 1st polarised light optical filter 11 (154a~154d, 155a~155d).The ripple of blueness The light 156a in long region filters in the same manner as the light 114a of the wavelength region beyond the blueness of embodiment 1 through the 2nd polarised light Piece 12, liquid crystal panel 10, the 1st polarised light optical filter 11 (156a~156d).That is, the wavelength zone of red wavelength region, green Domain, rectilinearly polarized light 154d, 155d, 156d of the wavelength region of blueness are projected (Figure 16) from the 1st polarised light optical filter 11.
(the background B2 of the 2nd viewing area 82)
In the 2nd viewing area 82, the white light of the 3rd polarised light optical filter 13 (water colour polarizer) is incided from light source 5a In, the light 157a of red wavelength region be used as the rectilinearly polarized light parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13 157b is projected (Figure 17) from the 3rd polarised light optical filter 13.Due to the between axlemolecules of the 2nd polarised light optical filter 12 (yellow polarizer) 12a is parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13, therefore, and the rectilinearly polarized light 157b of red wavelength region is passed through 2nd polarised light optical filter 12 (Figure 17).The light 158a of blue wavelength region in white light from light source 5a is not by inclined The 3rd polarised light optical filter 13 (water colour polarizer) is passed through in the state of use of bestirring oneself.The blueness projected from the 3rd polarised light optical filter 12 The light 158b of wavelength region incide the 2nd polarised light optical filter 12 (yellow polarizer).Moreover, the light of the wavelength region of blueness 158b is as the rectilinearly polarized light 158c parallel with the between axlemolecules 12a of the 2nd polarised light optical filter 12 from the 2nd polarised light optical filter 12 Project (Figure 17).
Red wavelength region, the rectilinearly polarized light of the wavelength region of blueness from the injection of the 2nd polarised light optical filter 12 157c, 158c incide liquid crystal panel 10.In the display background B2 of the 2nd viewing area 82 part, due to liquid crystal 10e chiral Structure is maintained, therefore, and these rectilinearly polarized lights 157c, 158c is in the state of plane of polarisation have rotated 90 ° from liquid crystal panel 10 Project.Because the between axlemolecules 11a of the 1st polarised light optical filter 11 is parallel with the between axlemolecules of the 2nd polarised light optical filter 12, therefore, partially Smooth surface have rotated the light of 90 ° of red wavelength region and rectilinearly polarized light 157d, 158d of the wavelength region of blueness can not be saturating Cross the 1st polarised light optical filter 11 (Figure 17).
As shown in figure 17, the light 159a of in the white light from light source 5a, green wavelength region is not being made by polarization In the state of through the 3rd polarised light optical filter 13 (water colour polarizer), the 2nd polarised light optical filter 12 (yellow polarizer) (come From the injection light 159b of the 3rd polarised light optical filter 13).The green wavelength region 159c projected from the 2nd polarised light optical filter 12 Light incide liquid crystal panel 10.In the display background B2 of the 2nd viewing area 82 part, due to liquid crystal 10e chiral structure It is maintained, therefore, the light 159c of green wavelength region is projected in the state of plane of polarisation have rotated 90 ° from liquid crystal panel 10. The light 159d of the green wavelength region projected from liquid crystal panel 10 by the 2nd polarised light optical filter 12, the 3rd polarised light due to not filtered The polarization of mating plate 13, therefore, including the rectilinearly polarized light parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 and with Rectilinearly polarized light vertical the between axlemolecules 11a of 1st polarised light optical filter 11.Therefore, the light 159d conducts of green wavelength region The rectilinearly polarized light 159e parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 projects (figure from the 1st polarised light optical filter 11 17)。
As previously discussed, in the part of the display background of the 2nd viewing area 82, the rectilinearly polarized light of green wavelength region 159e is projected from the 1st polarised light optical filter 11.Therefore, the background colour B2 of the 2nd viewing area 82 is green.
(the display key element S2 of the 2nd viewing area 82)
Display in the 2nd viewing area 82 shows key element S2 part, because liquid crystal 10e chiral structure disappears, therefore, The light of arbitrary wavelength region is projected (Figure 18) all in the state of plane of polarisation is maintained from liquid crystal panel 10.Therefore, pass through The red wavelength region of 2nd polarised light optical filter, rectilinearly polarized light 157c, 158c of the wavelength region of blueness are from liquid crystal panel 10 project as rectilinearly polarized light 157e, 158e of red wavelength region, the wavelength region of blueness.Moreover, red wavelength Region, rectilinearly polarized light 157f, 158f of the wavelength region of blueness are projected (Figure 18) from the 1st polarised light optical filter 11.In addition, thoroughly Crossed the 2nd polarised light optical filter green wavelength region light 159c from liquid crystal panel 10 as green wavelength region light 159f is projected.Moreover, the rectilinearly polarized light of the green wavelength region parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 159g is projected from the 1st polarised light optical filter 11.Therefore, the display key element S2 of the 2nd viewing area 82 display color is white.
As previously discussed, in the present embodiment, can make the background B1 of the 1st viewing area 81 display color (yellow), the 2nd The background B2 of viewing area 82 display color (green) is different chromatic colour.
(embodiment 6)
In the present embodiment, the 2nd polarised light optical filter 12 is absorption-type polarizer, and the 3rd polarised light optical filter 13 is indigo plant Chromatic polarization piece.In addition, the between axlemolecules 12a of the 2nd polarised light optical filter 12 is configured to the between axlemolecules with the 1st polarised light optical filter 11 11a, the 3rd polarised light optical filter 13 between axlemolecules 13a orthogonal (Figure 19~Figure 22).Others constitute identical with embodiment 1.
(the background B1 of the 1st viewing area 81)
In the 1st viewing area 81, the white light that light source 5a is projected incides the 2nd polarised light optical filter, and (absorption-type is polarized Piece) (Figure 19).The white light 161a of the 2nd polarised light optical filter is incided as the between axlemolecules 12a with the 2nd polarised light optical filter 12 Parallel rectilinearly polarized light 161b is projected from the 2nd polarised light optical filter 12.From the 2nd polarised light optical filter 12 project it is white straight Linearly polarized light 161b incides liquid crystal panel 10.In the display background B2 of the 2nd viewing area 82 part, due to liquid crystal 10e's Chiral structure is maintained, therefore, and white rectilinearly polarized light 161b is in the state of plane of polarisation have rotated 90 ° from liquid crystal panel 10 Project.Because the between axlemolecules 11a of the 1st polarizer 11 (absorption-type polarizer) is orthogonal with the between axlemolecules 12a of the 2nd polarizer 12, because This, the white rectilinearly polarized light 161c projected from liquid crystal panel 10 passes through the 1st polarizer 11.That is, white rectilinearly polarized light 116d is projected from the 1st polarised light optical filter.Therefore, the background B1 of the 1st viewing area 81 display color is white (Figure 19).
(the display key element S1 of the 1st viewing area 81)
Display in the 1st viewing area 81 shows key element S1 part, because liquid crystal 10e chiral structure disappears, therefore, The white light 161b for inciding liquid crystal panel 10 is projected (Figure 20) in the state of plane of polarisation is maintained from liquid crystal panel 10.Due to The between axlemolecules 11a of 1st polarizer 11 (absorption-type polarizer) is orthogonal with the between axlemolecules 12a of the 2nd polarizer 12, therefore, from liquid crystal The white rectilinearly polarized light 161e that panel 10 is projected can not pass through the 1st polarizer 11.Therefore, the display of the 1st viewing area 81 Key element S1 display color is black (Figure 20).
(the background B2 of the 2nd viewing area 82)
In the 2nd viewing area 82, the white light that light source 5a is projected incides (the blueness polarization of the 3rd polarised light optical filter 13 Piece) (Figure 21).Incide wavelength region in the white light of the 3rd polarised light optical filter 13, red and green wavelength region Light 163a, 164a as rectilinearly polarized light 163b, the 164b parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13 from the 3rd Polarised light optical filter 13 is projected.Due to the between axlemolecules 12a and the 3rd polarised light of the 2nd polarised light optical filter 12 (absorption-type polarizer) The between axlemolecules 13a of optical filter 13 is n- to be handed over, and therefore, these rectilinearly polarized lights 163b, 164b can not pass through the 2nd polarised light optical filter 12 (Figure 21).
Because the 3rd polarised light optical filter 12 is blue polarizer, therefore, the white of the 3rd polarised light optical filter 13 is incided The light 165a of in light, blueness wavelength region is not in the state of by polarization through the (figure of the 3rd polarised light optical filter 13 21).The light 165b of the blue wavelength region projected from the 3rd polarised light optical filter 13 is not due to by the 3rd polarised light optical filter 13 Polarization, therefore, including the straight line parallel with the between axlemolecules 12a of the 2nd polarised light optical filter 12 (absorption-type polarizer) is inclined Shake light and the rectilinearly polarized light vertical with the between axlemolecules 12a of the 2nd polarised light optical filter 12 (absorption-type polarizer).Therefore, from the 3rd The light 165b for the blue wavelength region that polarised light optical filter 13 is projected is as flat with the between axlemolecules 12a of the 2nd polarised light optical filter 12 Capable rectilinearly polarized light 165c is projected from the 2nd polarised light optical filter 11.In the display background B2 of the 2nd viewing area 82 part, Because liquid crystal 10e chiral structure is maintained, therefore, the rectilinearly polarized light 165c of blue wavelength region have rotated in plane of polarisation Projected in the state of 90 ° from liquid crystal panel 10.Due to the between axlemolecules 11a and the 2nd polarised light optical filter of the 1st polarised light optical filter 11 12 between axlemolecules are orthogonal, therefore, and the rectilinearly polarized light 165d that plane of polarisation have rotated 90 ° of blue wavelength region is inclined through the 1st Shake light optical filter 11.That is, the rectilinearly polarized light 165e of blue wavelength region is projected from the 1st polarised light optical filter 11.Therefore, The background B2 of 2 viewing areas 82 display color is blue (Figure 21).
(the display key element S2 of the 2nd viewing area 82)
Display in the 2nd viewing area 82 shows key element S2 part, because liquid crystal 10e chiral structure disappears, therefore, The rectilinearly polarized light 165c of blue wavelength region of the 2nd polarised light optical filter 12 has been passed through in the state of plane of polarisation is maintained Projected (Figure 22) from liquid crystal panel 10.Due to the between axlemolecules 11a and the 2nd polarised light optical filter 12 of the 1st polarised light optical filter 11 Between axlemolecules are orthogonal, therefore, and the rectilinearly polarized light 165f of the blue wavelength region projected in liquid crystal panel 10 can not be inclined through the 1st Shake light optical filter 11.Therefore, the display key element S2 of the 2nd viewing area 82 display color is black (Figure 22).
As previously discussed, in the present embodiment, the background B1 of the 1st viewing area 81, the background B2 of the 2nd viewing area 82 Display color be respectively white, blueness.In addition, the display key element S1 of the 1st viewing area 81, the display of the 2nd viewing area 82 will Plain S2 display color is black.In the present embodiment, the background B1 of the 1st viewing area 81 display color, the 2nd display can be made The background B2 in region 82 display color is different color.
In addition, as shown in figure 14, in the 2nd viewing area 82, even in a part and the 3rd for the 2nd polarised light optical filter 12 Polarised light optical filter 13 it is a part of it is overlapping in the case of, display color overall the background B2 of the 2nd viewing area 82 is also blueness.
In addition, the 2nd polarised light optical filter in present embodiment is that blue polarizer, the 3rd polarised light optical filter are absorption In the case of type polarizer, background B1, the background B2 of the 2nd viewing area 82 display color of the 1st viewing area 81 are respectively white Color, black.In addition, the display key element S1 of the 1st viewing area 81, the display key element S2 of the 2nd viewing area 82 display color are Blueness.
(embodiment 7)
In the present embodiment, the 2nd polarised light optical filter 12 is that blue polarizer, the 3rd polarised light optical filter 13 are red Polarizer this point is different from embodiment 6.Others constitute identical with embodiment 6.
(the background colour B1 of the 1st viewing area 81)
In the 1st viewing area 81, the white light that light source 5a is projected incides the 2nd polarised light optical filter (blue polarizer) (Figure 23).Incide the light of the wavelength region of in the white light of the 2nd polarised light optical filter 12, red wavelength region and green 171a, 172a are polarized as rectilinearly polarized light 171b, the 172b parallel with the between axlemolecules 12a of the 2nd polarised light optical filter 12 from the 2nd Light optical filter 12 is projected.Above-mentioned rectilinearly polarized light 171b, the 172b projected from the 2nd polarised light optical filter 12 incides liquid crystal panel 10.In the display background B1 of the 1st viewing area 81 part, because liquid crystal 10e chiral structure is maintained, therefore, these are straight Linearly polarized light 171b, 172b are projected in the state of plane of polarisation have rotated 90 ° from liquid crystal panel 10.Because the 1st polarised light filters The between axlemolecules 11a of piece 11 is orthogonal with the between axlemolecules of the 2nd polarised light optical filter 12, therefore, and plane of polarisation have rotated 90 ° of red ripple Rectilinearly polarized light 171c, 172c of the wavelength region of long region and green pass through the 1st polarised light optical filter 11.That is, red ripple Rectilinearly polarized light 171d, 172d of the wavelength region of long region and green are projected (Figure 23) from the 1st polarised light optical filter 11.
The light 173a for inciding in the white light of the 2nd polarised light optical filter 12, blueness wavelength region is not being polarized The 2nd polarised light optical filter 12 (blue polarizer) (Figure 23) is passed through in the state of effect.Projected from the 2nd polarised light optical filter 12 The light 173b of the wavelength region of blueness incides liquid crystal panel 10.In the display background B2 of the 1st viewing area 81 part, due to Liquid crystal 10e chiral structure is maintained, therefore, and the light 173b of blue wavelength region have rotated in the state of 90 ° in plane of polarisation Projected from liquid crystal panel 10.The light 173c of the blue wavelength region projected from liquid crystal panel 10 by the 2nd polarised light due to not filtered The polarization of mating plate 12, therefore, including the rectilinearly polarized light parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 and with Rectilinearly polarized light vertical the between axlemolecules 11a of 1st polarised light optical filter 11.Therefore, the light 173c conducts of blue wavelength region The rectilinearly polarized light 173d parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 (absorption-type polarizer) is filtered from the 1st polarised light Mating plate 11 is projected (Figure 23).
As previously discussed, in the display background B1 of the 1st viewing area 81 part, red wavelength region, the ripple of green Long region, rectilinearly polarized light 171d, 172d, 173d of the wavelength region of blueness are projected (Figure 23) from the 1st polarised light optical filter 11. Therefore, the background colour B1 of the 1st viewing area 81 display color is white.
(the display key element S1 of the 1st viewing area 81)
Display in the 1st viewing area 81 shows key element S1 part, because liquid crystal 10e chiral structure disappears, therefore, The light of arbitrary wavelength region is projected (Figure 24) all in the state of plane of polarisation is maintained from liquid crystal panel 10.Due to the 1st polarization The between axlemolecules 11a of piece 11 (absorption-type polarizer) is orthogonal with the between axlemolecules 12a of the 2nd polarizer 12, therefore, is penetrated from liquid crystal panel 10 The red wavelength region and rectilinearly polarized light 171e, 172e of the wavelength region of green gone out can not pass through the 1st polarizer 11.With This is relative, and the light 173e of the blue wavelength region projected from liquid crystal panel 10 includes the transmission with the 1st polarised light optical filter 11 Polarised light parallel axle 11a and the polarised light vertical between axlemolecules 11a.Therefore, the blue wavelength projected from liquid crystal panel 10 The light 173e in region is as the rectilinearly polarized light 173f parallel with the between axlemolecules 11a of the 1st polarised light optical filter 11 from the 1st polarised light Optical filter 11 is projected (Figure 24).
As previously discussed, the display in the 1st viewing area 81 shows the part of key element, and the straight line of blue wavelength region is inclined The light 176b that shakes is projected from the 1st polarised light optical filter 11.Therefore, the display key element S1 of the 1st viewing area 81 display color is blueness.
(the background B2 of the 2nd viewing area 82)
In the 2nd viewing area 82, the white light that light source 5a is projected incides the 3rd polarised light optical filter 13 (red polarizer) (Figure 25).In the white light of the 3rd polarised light optical filter 13, red wavelength region light 177a is incided inclined not by the 3rd Shake and the 3rd polarised light optical filter 13 is passed through in the state of the polarization of light optical filter 13.Projected in the 3rd polarised light optical filter 13 The light 177b of red wavelength region incides the 2nd polarised light optical filter 12.Because the 2nd polarised light optical filter is blue polarization Piece, therefore, from the 3rd polarised light optical filter 13 project red wavelength region light 177b as with the 2nd polarised light optical filter Rectilinearly polarized light 177c parallel 12 between axlemolecules 12a is projected from the 2nd polarised light optical filter 12.From the 2nd polarised light optical filter 12 The rectilinearly polarized light 177c of the red wavelength region of injection incides liquid crystal panel 10.Display in the 2nd viewing area 82 is carried on the back Scape B2 part, because liquid crystal 10e chiral structure is maintained, therefore, the rectilinearly polarized light 177c of red wavelength region exists Plane of polarisation is projected in the state of have rotated 90 ° from liquid crystal panel 10.Due to the between axlemolecules 11a and the 2nd of the 1st polarised light optical filter 11 The between axlemolecules of polarised light optical filter 12 are orthogonal, therefore, and plane of polarisation have rotated the rectilinearly polarized light of 90 ° of red wavelength region 177d passes through the 1st polarised light optical filter 11.That is, the rectilinearly polarized light 177e of red wavelength region is from the 1st polarised light optical filter 11 project (Figure 25).
In the white light for inciding the 3rd polarised light optical filter 13 (red polarizer) from light source 5a, green wavelength zone The light 179a of the wavelength region of the light 178a in domain and blueness is as parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13 straight Linearly polarized light 178b, 179b are projected (Figure 25) from the 3rd polarised light optical filter 13.Due to (the blueness polarization of the 2nd polarised light optical filter 12 Piece) between axlemolecules 12a it is orthogonal with the between axlemolecules 13a of the 3rd polarised light optical filter 13, therefore, these rectilinearly polarized lights 178b, 179b In, blueness wavelength region rectilinearly polarized light 179b in the state of not by polarization pass through the 2nd polarised light optical filter 12.It is therefore, inclined from the 2nd because liquid crystal 10e chiral structure is maintained in the display background B2 of the 2nd viewing area 82 part The rectilinearly polarized light 179c for the blue wavelength region that the light optical filter 12 that shakes is projected is in the state of plane of polarisation have rotated 90 ° from liquid Crystal panel 10 is projected.Due to the between axlemolecules 11a and the 3rd polarised light optical filter of the 1st polarised light optical filter 11 (absorption-type polarizer) 13 between axlemolecules 13a is parallel, therefore, and the rectilinearly polarized light 179d that plane of polarisation have rotated 90 ° of blue wavelength region can not be saturating Cross the 1st polarised light optical filter 11 (Figure 25).
As previously discussed, in the display background B2 of the 2nd viewing area 82 part, the linear polarization of red wavelength region Light 177e is projected from the 1st polarised light optical filter 11.Therefore, the background colour B2 of the 2nd viewing area 82 display color is red.
(the display key element S2 of the 2nd viewing area 82)
Display in the 2nd viewing area 82 shows key element S2 part, because liquid crystal 10e chiral structure disappears, therefore, The rectilinearly polarized light 177c of the red wavelength region projected from the 2nd polarised light optical filter 12 is in the state of plane of polarisation is maintained Projected (Figure 26) from liquid crystal panel 10.Because the between axlemolecules 11a and the 2nd of the 1st polarised light optical filter 11 (absorption-type polarizer) is inclined Shake light optical filter 12 between axlemolecules it is orthogonal, therefore, liquid crystal panel 10 project red wavelength region rectilinearly polarized light 177f can not pass through the 1st polarised light optical filter 11.The straight line of the blue wavelength region projected from the 2nd polarised light optical filter 12 is inclined The light 179c that shakes also is projected in the state of plane of polarisation is maintained from liquid crystal panel 10.Due to the transmission of the 1st polarised light optical filter 11 Axle 11a is parallel with the between axlemolecules 13a of the 3rd polarised light optical filter 13, therefore, the blue wavelength region projected from liquid crystal panel 10 Rectilinearly polarized light 179e pass through the 1st polarised light optical filter 11 (Figure 26).That is, the rectilinearly polarized light 179f of blue wavelength region Projected from the 1st polarised light optical filter 11.Therefore, the display key element S2 of the 2nd viewing area 82 display color is blueness.
As previously discussed, in the present embodiment, the background B1 of the 1st viewing area 81, the background B2 of the 2nd viewing area 82 Display color be respectively white, it is red.In addition, the display key element S1 of the 1st viewing area 81, the display of the 2nd viewing area 82 will Plain S2 display color is blueness.In the present embodiment, also can show the background B1 of the 1st viewing area 81 display color, the 2nd The display color for showing the background B2 in region 82 is different color.
It is as described above, using the liquid crystal display device 1 illustrated in the above-described embodiment, simple structure, tool can be provided There is the liquid crystal display device of the different multiple viewing areas of display color.This is realized by following composition.
1st polarised light optical filter of the liquid crystal display device 1 with liquid crystal panel 10, the display surface for being configured at liquid crystal panel 10 11st, the 2nd polarised light optical filter 12 for being configured at the back side of liquid crystal panel 10 and the back side for being configured at liquid crystal panel 10, overlook up to A few part and a part of the 3rd overlapping polarised light optical filter 13 of the 2nd polarised light optical filter 12, the 2nd polarised light optical filter 12 At least one party with the 3rd polarised light optical filter 13 be for the wavelength region of regulation color light it is not optically active pass it through Polarized color light optical filter, liquid crystal display device 1 has：1st polarised light optical filter 11 and the 2nd polarised light optical filter during vertical view 12 the 1st overlapping viewing areas 81；And the 1st polarised light optical filter 11 and the 3rd polarised light optical filter is 13 overlapping, the filter of the 2nd polarised light Overlapping the 2nd viewing area 82 of part at least a portion of mating plate 12, is shown in the 1st display key element of the 1st viewing area 81 S1 display color shows key element S2 display color be shown in the 2nd viewing area 82 the 2nd or is shown in the 1st viewing area 81 Background B1 display color and the 2nd viewing area 82 background B2 display color it is different.
The between axlemolecules 12a and the 3rd polarised light optical filter 13 of 2nd polarised light optical filter 12 between axlemolecules 13a can also be configured To be substantially vertical.
Only the 2nd polarised light optical filter 12 is to the light of the wavelength region of regulation color is not optically active and passes it through coloured silk Chromatic polarization light optical filter, the 2nd polarised light optical filter 12 and the 3rd polarised light optical filter 13 can also be configured to the optical filtering of the 2nd polarised light The between axlemolecules 12a of piece 12 and the between axlemolecules 13a of the 3rd polarised light optical filter 13 are almost parallel, from the display surface of liquid crystal panel 10 The 2nd polarised light optical filter 12, the 3rd polarised light optical filter 13 are configured successively.
2nd polarised light optical filter 12 and the 3rd polarised light optical filter 12 are the wavelength region to defined 1st color respectively The polarized color light optical filter that light, the light of the wavelength region of defined 2nd color are passed it through not optically actively, defined The wavelength region of 1 color includes the wavelength region of preceding defined 2nd color, and the between axlemolecules 12a and the 3rd of the 2nd polarised light optical filter 12 is inclined Shake light optical filter 13 between axlemolecules 13a it is almost parallel, from the display surface of liquid crystal panel 10 successively configure the 2nd polarised light optical filter 12nd, the 3rd polarised light optical filter 13.
2nd polarised light optical filter 12 and the 3rd polarised light optical filter 13 are the wavelength region to defined 1st color respectively The polarized color light optical filter that light, the light of the wavelength region of defined 2nd color are passed it through not optically actively, defined A part for the wavelength region of 1 color and the wavelength region of defined 2nd color it is a part of overlapping, the 2nd polarised light optical filter 12 The between axlemolecules 13a of between axlemolecules 12a and the 3rd polarised light optical filter 13 is configured to almost parallel.
2nd shows the brightness of display color of the brightness less than the 1st display key element S1 of key element S2 display color, or the 2nd shows Show the brightness of display color of the brightness less than the background B1 of the 1st viewing area 81 of the background B1 in region 82 display color.
Can also be all a part of overlapping with the 2nd polarised light optical filter 12 for the 3rd polarised light optical filter 13.
Liquid crystal display device 1 is not limited to the liquid crystal display device of TN types.As long as liquid crystal display device 1 can be applied to liquid crystal 10e Making alive is shown.For example, as liquid crystal display device 1, enumerating VA (Vertical Alignment) types or STN The liquid crystal display device of (Super-Twisted Nematic) type, strong irritability liquid crystal (Ferroelectric is used Liquid Crystal) liquid crystal display device.In this case, the configuration root of the polarised light optical filter of liquid crystal panel 10 is clipped According to the appropriate selection such as the species of liquid crystal display device, background or the display color for showing key element.
In liquid crystal display device 1, transparency electrode portion 10c, 10d can also be made up of public electrode, section electrode respectively. In addition, liquid crystal display device 1 can also be the liquid crystal display device of passive matrix.In addition, liquid crystal display device 1 can also be The liquid crystal display device of active array type.That is, liquid crystal display device 1 can also be the liquid crystal display device of dot matrix type.In liquid crystal In the case that display device 1 is the liquid crystal display device of dot matrix type, pixel (point) can be regarded as showing key element.
Light source 5a injection light can also be beyond white light.The light for its allochromatic colour for projecting red, yellow etc. can be used Light source.Thus, display key element or background can be made to show that the change of color is turned to colorful.
Liquid crystal display device 1 can also be semi-transmission type or the liquid crystal display device of reflection-type.It is in liquid crystal display device 1 In the case of semi-transmission type or the liquid crystal display device of reflection-type, at the back side of liquid crystal display device 1 provided with reflecting plate (reflection Layer).Thus, exterior light can be utilized as light source by liquid crystal display device 1.
1st polarised light optical filter 11 can also be the reflective polarizing of the reflection rectilinearly polarized light orthogonal between axlemolecules 11a Piece.
Measuring instrumentss device 100 with liquid crystal display device 1 can be wet bike, farming machinery, aviation machine, ship Other measuring instrumentss used for vehicle such as oceangoing ship, electric car.In addition, liquid crystal display device 1 can also constitute table, carried terminal etc. Defined display part.
In the above description, in order to be readily appreciated that the present invention, unessential known technology item is suitably eliminated Explanation.
The present invention can implement and be deformed in a variety of ways in the spirit and scope of broad sense for not departing from the present invention.Separately Outside, above-mentioned embodiment is to be used to illustrate the present invention, is not intended to limit the scope of the present invention.That is, the scope of the present invention is not It is by embodiment but is represented by claim.Moreover, within the scope of the claims and the invention equal with it The various modifications implemented in the range of meaning are regarded as in the scope of the present invention.
The application is based on 2 months 2012 Japan's Patents filed in 14 days 2012-29404 and Shen on January 25th, 2013 Japan's Patent 2013-012362 CLAIM OF PRIORITYs please, in the description of the present application with reference to and introduce Japan's Patent The content of the specification of No. 2012-29404 and Japan's Patent 2013-012362, claim and accompanying drawing.

Claims (5)

1. a kind of liquid crystal display device, it is characterised in that the liquid crystal display device has：
Liquid crystal panel；
1st polarised light optical filter, it is configured at the display surface of the liquid crystal panel；
2nd polarised light optical filter, it is configured at the back side of the liquid crystal panel；
3rd polarised light optical filter, it is configured at the back side of the liquid crystal panel, its at least a portion and the described 2nd inclined during vertical view Shake a part of overlapping of light optical filter,
Only described 2nd polarised light optical filter is the colour passed it through not optically actively to the light of the wavelength region of regulation color Polarised light optical filter,
The 2nd polarised light optical filter and the 3rd polarised light optical filter are configured to：The 2nd polarised light optical filter it is saturating The between axlemolecules for crossing axle and the 3rd polarised light optical filter are almost parallel, configure institute successively from the display surface of the liquid crystal panel The 2nd polarised light optical filter, the 3rd polarised light optical filter are stated,
The liquid crystal display device has：1st polarised light optical filter described in during vertical view it is overlapping with the 2nd polarised light optical filter 1 viewing area；And the 1st polarised light optical filter and the 3rd polarised light optical filter is overlapping, the 2nd polarised light optical filter Overlapping the 2nd viewing area of part at least a portion,
It is shown in the display color of the 1st display key element of the 1st viewing area and is shown in the 2nd of the 2nd viewing area and shows Show that the display color of key element is different, or the background of the 1st viewing area shows that color and the background of the 2nd viewing area are shown Color is different.
2. a kind of liquid crystal display device, it is characterised in that the liquid crystal display device has：
Liquid crystal panel；
1st polarised light optical filter, it is configured at the display surface of the liquid crystal panel；
2nd polarised light optical filter, it is configured at the back side of the liquid crystal panel；
3rd polarised light optical filter, it is configured at the back side of the liquid crystal panel, its at least a portion and the described 2nd inclined during vertical view Shake a part of overlapping of light optical filter,
The 2nd polarised light optical filter and the 3rd polarised light optical filter are the wavelength region to defined 1st color respectively The polarized color light optical filter that light, the light of the wavelength region of defined 2nd color are passed it through not optically actively, the regulation The 1st color wavelength region include it is described as defined in the 2nd color wavelength region,
The between axlemolecules of the 2nd polarised light optical filter and the between axlemolecules of the 3rd polarised light optical filter are almost parallel, from the liquid The display surface of crystal panel rises and configures the 2nd polarised light optical filter, the 3rd polarised light optical filter successively,
The liquid crystal display device has：1st polarised light optical filter described in during vertical view it is overlapping with the 2nd polarised light optical filter 1 viewing area；And the 1st polarised light optical filter and the 3rd polarised light optical filter is overlapping, the 2nd polarised light optical filter Overlapping the 2nd viewing area of part at least a portion,
It is shown in the display color of the 1st display key element of the 1st viewing area and is shown in the 2nd of the 2nd viewing area and shows Show that the display color of key element is different, or the background of the 1st viewing area shows that color and the background of the 2nd viewing area are shown Color is different.
3. a kind of liquid crystal display device, it is characterised in that the liquid crystal display device has：
Liquid crystal panel；
1st polarised light optical filter, it is configured at the display surface of the liquid crystal panel；
2nd polarised light optical filter, it is configured at the back side of the liquid crystal panel；
3rd polarised light optical filter, it is configured at the back side of the liquid crystal panel, its at least a portion and the described 2nd inclined during vertical view Shake a part of overlapping of light optical filter,
The 2nd polarised light optical filter and the 3rd polarised light optical filter are the wavelength region to defined 1st color respectively The polarized color light optical filter that light, the light of the wavelength region of defined 2nd color are passed it through not optically actively, the regulation The 1st color wavelength region a part and defined 2nd color wavelength region it is a part of overlapping,
The between axlemolecules of the 2nd polarised light optical filter and the between axlemolecules of the 3rd polarised light optical filter be configured to it is almost parallel,
The liquid crystal display device has：1st polarised light optical filter described in during vertical view it is overlapping with the 2nd polarised light optical filter 1 viewing area；And the 1st polarised light optical filter and the 3rd polarised light optical filter is overlapping, the 2nd polarised light optical filter Overlapping the 2nd viewing area of part at least a portion,
It is shown in the display color of the 1st display key element of the 1st viewing area and is shown in the 2nd of the 2nd viewing area and shows Show that the display color of key element is different, or the background of the 1st viewing area shows that color and the background of the 2nd viewing area are shown Color is different.
4. according to liquid crystal display device according to any one of claims 1 to 3, it is characterised in that
The brightness of the display color of the 2nd display key element less than the display color of the described 1st display key element brightness, or described the The background of 2 viewing areas shows that the brightness of color shows the brightness of color less than the background of the 1st viewing area.
5. according to liquid crystal display device according to any one of claims 1 to 3, it is characterised in that
The 3rd polarised light optical filter is all a part of overlapping with the 2nd polarised light optical filter.
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