CN101435963A - View angle-adjustable LCD device - Google Patents
View angle-adjustable LCD device Download PDFInfo
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- CN101435963A CN101435963A CNA2007101860626A CN200710186062A CN101435963A CN 101435963 A CN101435963 A CN 101435963A CN A2007101860626 A CNA2007101860626 A CN A2007101860626A CN 200710186062 A CN200710186062 A CN 200710186062A CN 101435963 A CN101435963 A CN 101435963A
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Abstract
The invention discloses a liquid crystal display with an adjustable visual angle. The liquid crystal display comprises an active element array baseplate, an opposite baseplate and a liquid crystal layer. The active element array baseplate is provided with a plurality of pixel display units and pixel control units. Each pixel display unit comprises a first active element, a pixel display electrode and a first region division structure. The first active element is in electric connection with the pixel display electrode. The inside of each pixel control unit is provided with a pixel control electrode and a second region division structure. The control element is in electric connection with the pixel control electrode. The opposite baseplate is arranged on the active element array baseplate. The liquid crystal layer is arranged between the active element array baseplate and the opposite baseplate; and the phase retardation amount of the liquid crystal layer on the pixel display units is less than the phase retardation amount of the liquid crystal layer on the pixel control units.
Description
Technical field
The present invention relates to a kind of display panels (liquid crystal display panel), and be particularly related to a kind of visual angle adjustable (view angle controllable) display panels.
Background technology
Multimedia society significantly improves, and is indebted to the breakthrough progress of semiconductor element or display device mostly.With regard to display device, have that high image quality, space utilization efficient are good, (Thin Film Transistor Liquid CrystalDisplay TFT-LCD) becomes the main flow in market to the Thin Film Transistor-LCD of low consumpting power, advantageous characteristic such as radiationless gradually.
The consumption market is a tool stylishness and light, thin, short, little to be easy to carry about with one for the appearance requirement of LCD.In addition, the performance requirement for LCD is towards characteristics such as height contrast (high contrastratio), the counter-rotating of no GTG (no gray scale inversion), colour cast little (low color shift), brightness height (high luminance), high color richness, high color saturation, rapid reaction and wide viewing angles.The technology that can reach the wide viewing angle requirement has at present comprised stable twisted nematic (twisted nematic, TN) liquid crystal adds view film (wide viewing film), copline suitching type (in-plane switching, IPS) LCD, limit suitching type (fringe field switching) LCD and multi-domain perpendicular alignment-type (multi-domain vertically alignment, MVA) LCD etc.
With the multi-domain perpendicular alignment-type LCD, have thrust (protrusion) or slit (slit) on colored optical filtering substrates or the thin-film transistor array base-plate, make liquid crystal molecule be multi-direction arrangement, and then can obtain several different orientation zones (domain), to reach wide-visual angle effect.Thus, the user just can face or look side ways display frame.
Yet, because being easy to carry of display, thus the consumer usually the transport fluid crystal display go out, and in the public arena, use continually.When the consumer reads private letter or data in public places, have that private data is subjected to that the stranger spies on and the possibility of leaking with being difficult to avoid.
Summary of the invention
The invention provides a kind of user and can freely switch the view angle-adjustable LCD device of visible angle scope.
The present invention proposes a kind of view angle-adjustable LCD device, and it comprises active elements array substrates, subtend substrate, liquid crystal layer and two polaroids.Active elements array substrates has a plurality of display pixel cells and a plurality of control pixel cell, and each display pixel cells comprises first active component, display pixel electrode and first area partition structure.First active component and display pixel electrode are electrical connected.Each control pixel cell comprises second active component, control pixel electrode and second area partition structure, and second active component is electrical connected with the control pixel electrode.The subtend substrate is disposed at the active elements array substrates top.Liquid crystal layer is disposed between active elements array substrates and the subtend substrate, and liquid crystal layer has a plurality of liquid crystal molecules.The first area partition structure is used so that liquid crystal molecule has the orientation of first direction, and the second area partition structure is used so that liquid crystal molecule has the orientation of second direction, and first direction is not equal to second direction.The phase-delay quantity (Δ nd) of control in the pixel cell be greater than the phase-delay quantity in the display pixel cells, and wherein phase-delay quantity is that (Δ n is birefringence) with the product value (Δ nd) of thickness of liquid crystal layer (d) for the refractive index difference of liquid crystal.Polaroid is disposed at respectively on active elements array substrates and the surface of subtend substrate away from liquid crystal layer, and wherein the transmittance axle of polaroid is vertical mutually, and at least one transmittance axle is perpendicular to second direction.
The present invention proposes a kind of view angle-adjustable LCD device in addition, and it comprises active elements array substrates, subtend substrate, liquid crystal layer and two polaroids.Active elements array substrates has the viewing area, wherein the viewing area has a plurality of display pixel cells and a plurality of control pixel cell, and each display pixel cells comprises first active component, display pixel electrode and first area partition structure, and first active component and display pixel electrode are electrical connected.Each control pixel cell comprises control pixel electrode and second area partition structure.Control element is adjacent to the viewing area, and is electrical connected with the control pixel electrode.The subtend substrate is disposed at the active elements array substrates top.Liquid crystal layer is disposed between active elements array substrates and the subtend substrate, and has a plurality of liquid crystal molecules.The first area partition structure is used so that liquid crystal molecule has the orientation of first direction, and the second area partition structure is used so that liquid crystal molecule has the orientation of second direction, and first direction is not equal to second direction.Phase-delay quantity (Δ nd) in the control pixel cell is greater than the phase-delay quantity in the display pixel cells.Polaroid is disposed at respectively on active elements array substrates and the surface of subtend substrate away from liquid crystal layer, and wherein the transmittance axle of polaroid is vertical mutually, and at least one transmittance axle is perpendicular to second direction.
In one embodiment of this invention, liquid crystal layer has first thickness and second thickness respectively at display pixel cells and control pixel cell, and second thickness is greater than first thickness.
In one embodiment of this invention, the first area partition structure is protrusion, slit or patterning alignment film.
In one embodiment of this invention, the second area partition structure is protrusion, slit or patterning alignment film.
In one embodiment of this invention, the subtend substrate is a colored optical filtering substrates.
In one embodiment of this invention, corresponding each the display pixel cells place of colored optical filtering substrates has the first colorized optical filtering block.
In one embodiment of this invention, the colorized optical filtering block be selected from redness, green and blueness wherein it
In one embodiment of this invention, corresponding each the control pixel cell place of colored optical filtering substrates has the second colorized optical filtering block, and the first adjacent colorized optical filtering block is identical with the second colorized optical filtering block color.
In one embodiment of this invention, corresponding each the control pixel cell place of colored optical filtering substrates has the second colorized optical filtering block, and the first adjacent colorized optical filtering block is different with the second colorized optical filtering block color.
In one embodiment of this invention, has transparent block in corresponding each the control pixel cell of colored optical filtering substrates.
In one embodiment of this invention, also has overlayer on the display pixel cells on the active elements array substrates.
In one embodiment of this invention, corresponding display pixel cells place also has overlayer on the subtend substrate.
In one embodiment of this invention, first active component and/or second active component, control element are thin film transistor (TFT).
In one embodiment of this invention, also have the 3rd area dividing structure in the control pixel cell, and the 3rd area dividing structure is used so that liquid crystal molecule has the orientation of third direction.
In one embodiment of this invention, third direction is perpendicular to second direction.
In one embodiment of this invention, the 3rd area dividing structure is protrusion, slit or patterning alignment film.
In one embodiment of this invention, wherein the 3rd area dividing structure is protrusion, slit or patterning alignment film.
In one embodiment of this invention, view angle-adjustable LCD device also comprises the backlight module that is disposed under the active elements array substrates.
Use view angle-adjustable LCD device of the present invention, the user who only faces LCD can normally see the image that this view angle-adjustable LCD device shows.Other are had the inclination or the other people that are not in the mood for spying on when looking side ways this view angle-adjustable LCD device from the side, and can't see the normal image that shows of view angle-adjustable LCD device fully, therefore can reach the purpose of the protection user right of privacy.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended diagram, be described in detail below.
Description of drawings
Figure 1A is the active elements array substrates vertical view of the view angle-adjustable LCD device of first embodiment of the invention.
Figure 1B is the schematic perspective view of single pixel cell and local backlight module among Figure 1A.
Fig. 2 A is the partial enlarged drawing of Figure 1A.
Fig. 2 B is the transmittance axle of polaroid of Fig. 2 A and the synoptic diagram of lqiuid crystal molecule tipping direction.
Fig. 3 A is when not applying a voltage to the liquid crystal layer of Figure 1B, is positioned at the arrangement synoptic diagram of the liquid crystal molecule of control pixel cell.
Fig. 3 B is when applying a voltage to the view angle-adjustable LCD device of present embodiment, is positioned at the synoptic diagram of the lqiuid crystal molecule tipping of control pixel cell.
Fig. 4 A～4C is (the Δ nd) and the synoptic diagram that concerns that disturbs angular field of view of different control pixel cells.
Fig. 5 is the active elements array substrates vertical view of the view angle-adjustable LCD device of second embodiment of the invention.
Fig. 6 is the active elements array substrates vertical view of the view angle-adjustable LCD device of third embodiment of the invention.
Fig. 7 A is the vertical view of pixel cell in the view angle-adjustable LCD device of fourth embodiment of the invention.
Fig. 7 B is the transmittance axle of polaroid of Fig. 6 A and the synoptic diagram of lqiuid crystal molecule tipping direction.
Fig. 8 A～8C is that the thickness of liquid crystal layer that is positioned at display pixel cells is positioned at the little embodiment of thickness of liquid crystal layer of controlling pixel cell.
Description of reference numerals
200,200 ', 200 ": active elements array substrates
200a: viewing area
210: substrate
212,302: the surface
220: sweep trace
230: data line
240,240 ', 240 ": pixel cell
240a, 240a ", 240a " ': display pixel cells
240b, 240b ", 240b " ': control pixel cell
242: the first active components
244: the display pixel electrode
246,246 ": second active component
246 ': control element
248,248 ', 248 ": the control pixel electrode
250: the first area partition structure
260: the second area partition structure
270: the three area dividing structures
280: overlayer
300: the subtend substrate
400: liquid crystal layer
410: liquid crystal molecule
410a: the liquid crystal molecule that is positioned at display pixel cells
410b: the liquid crystal molecule that is positioned at the control pixel cell
500,600: polaroid
1000: view angle-adjustable LCD device
2000: backlight module
A, B, C, D, E, F, G, H: direction
Embodiment
[first embodiment]
Figure 1A is the active elements array substrates vertical view of the view angle-adjustable LCD device of first embodiment of the invention, and Figure 1B is the schematic perspective view of single pixel cell and local backlight module among Figure 1A.Please also refer to Figure 1A and 1B, the view angle-adjustable LCD device 1000 of present embodiment comprises active elements array substrates 200, subtend substrate 300, liquid crystal layer 400 and two polaroids 500,600.
Active elements array substrates 200 comprises substrate 210 and is configured in multi-strip scanning line 220 on the substrate 210, many data lines 230 and a plurality of display pixel cells 240a and a plurality of control pixel cell 240b.Each display pixel cells 240a comprises that first active component 242, display pixel electrode 244, each control pixel cell 240b comprise second active component 246 and control pixel electrode 248.First active component 242 is electrical connected with display pixel electrode 244, and second active component 246 is electrical connected with control pixel electrode 248.
In the present embodiment, first active component 242 and second active component 246 are all thin film transistor (TFT).Perhaps, first active component 242 is a thin film transistor (TFT), and second active component 246 can be other active components such as diode.In addition, the area of the area of display pixel cells 240a and control pixel cell 240b can be identical or different, need decide according to using.
Polaroid 500,600 is disposed at respectively on active elements array substrates 200 and the surface 212,302 of subtend substrate 300 away from liquid crystal layer 400, and wherein the transmittance axle of two polaroids 500,600 is vertical mutually.
Fig. 2 A is the partial enlarged drawing of Figure 1A, and Fig. 2 B is the transmittance axle of polaroid of Fig. 2 A and the synoptic diagram of lqiuid crystal molecule tipping direction.Please also refer to Figure 1B and Fig. 2 A, active elements array substrates 200 has first area partition structure 250 in each display pixel cells 240a, and the first area partition structure 250 among Figure 1B for example is the strip protrusion of く type, and the first area partition structure that other may be implemented can be the alignment film that is depressed in the slit of pixel electrode or has patterning.Therefore, liquid crystal molecule 410a can be A, B, C, D four direction just like a plurality of pre-dumping directions shown in Fig. 2 B.
Similarly, we are configuration second area partition structure 260 on control pixel electrode 248 also, and this second area partition structure 260 is the protrusion of strip.Other the second area partition structures that may implement can be the alignment films that is depressed in the slit of pixel electrode or has patterning.Second area partition structure 260 is for can make liquid crystal molecule have the orientation of EF direction.Therefore, liquid crystal molecule 410b can be just like the pre-dumping direction of the E shown in Fig. 2 B, F direction.
Fig. 3 A is when not applying a voltage to the liquid crystal layer of Figure 1B, is positioned at the arrangement synoptic diagram of the liquid crystal molecule of control pixel cell.Express clearly in order to illustrate, so Fig. 2 B and Fig. 3 A are only with the transmittance axle and the liquid crystal molecule signal of polaroid.
Please also refer to Figure 1B, Fig. 2 B and Fig. 3 A.When not applying a voltage to liquid crystal layer 400, the major axis bearing of trend that is positioned at liquid crystal molecule 410a, the 410b of demonstration and control pixel cell 210a, 210b is approximately perpendicular to the surface 212 of substrate 210.When light by after the polaroid 600, can be absorbed with the polarized light of the transmittance axle EF different directions of polaroid 600.Afterwards, the polarization direction is that the light of EF enters liquid crystal molecule 410, because liquid crystal molecule 410 is not toppled over, therefore the light that penetrates from liquid crystal molecule 410 can not change its polarization direction.At last, light is by polaroid 500 time, because the transmittance axle GH of polaroid 500 is vertical mutually with the transmittance axle EF of polaroid 600, therefore the polarization direction is that the light of EF can be absorbed by polaroid 500 and can't appear from visual angle adjustable LCD device 1000, and the display frame of the LCD 3000 that the user saw is the black picture (Normally Black) of normality.
Fig. 3 B is when applying a voltage to the view angle-adjustable LCD device of present embodiment, is positioned at the synoptic diagram of the lqiuid crystal molecule tipping of control pixel cell.Please also refer to Figure 1B, Fig. 2 B and Fig. 3 B.When applying voltage and be worse than liquid crystal layer 400, liquid crystal molecule 410 can be toppled over Electric Field Distribution, the liquid crystal molecule 410a that wherein is positioned at display pixel cells 240a can topple over towards A, B, C, D four direction, can topple over towards E, F direction respectively and be positioned at the liquid crystal molecule 410b that controls pixel cell 240b.At this moment, the user faces view angle-adjustable LCD device 1000 by the front of LCD 3000, therefore can see normal picture.
It should be noted that when the liquid crystal molecule 410b that is positioned at control pixel cell 240b towards E, when the F direction is toppled over, will make view angle-adjustable LCD device 1000 have the light leak of G, H direction.Therefore, have the inclination or the other people that are not in the mood for spying on are during from side stravismus LCD 3000, only can see very bright interference display frame when user or other, but not the normal display image of positive apparent time.Thus, can prevent that just other people from spying on from the side and learn user's private data, user's the right of privacy is protected.
Specifically, the kind of liquid crystal molecule and thickness of liquid crystal layer can influence the display effect of LCD.In detail, the refractive index difference of liquid crystal (Δ n, birefringence) be phase-delay quantity known to general with the product value (Δ nd) of thickness of liquid crystal layer (d), and this phase-delay quantity can influence the appreciative perspective of LCD, and the phase-delay quantity design load of general LCD is approximately 360nm.Fig. 4 A～4C is the out of phase retardation and the graph of a relation that disturbs angular field of view of control pixel cell.By among the figure as can be known, when the phase-delay quantity of the phase-delay quantity of controlling pixel cell 240b and display pixel cells 240a is all 360nm, the light leak interference range of control pixel cell is about+60 degree～+ 90 degree are about with-60 degree～-90 degree, the angular field of view that not disturbed by light leak ± 60 degree between; And when (Δ nd) value of controlling pixel cell 240b was big more, the interference angular field of view of view angle-adjustable LCD device 1000 was just big more.As Fig. 4 C, when the phase-delay quantity of control pixel cell 240b was 720nm, the light leak interference range was about+30 degree～+ 90 degree are about with-30 degree～-90 degree, the angular field of view that not disturbed by light leak ± 30 degree between.Therefore (Δ nd) design load of present embodiment is preferably the phase-delay quantity of the phase-delay quantity of control pixel cell 240b greater than display pixel cells 240a.The change of (Δ nd) value can be satisfied via different thickness of liquid crystal layer, for example can be below display pixel electrode 240a coating one deck overlayer 280, make to be positioned at the thickness of liquid crystal layer of the thickness of liquid crystal layer of control pixel cell 240b, show as Fig. 8 A greater than display pixel cells 240a.Certainly, also this overlayer 280 can be coated on the zone of corresponding display pixel cells 410 on the subtend substrate 300, show as Fig. 8 B.
In addition, owing among each control pixel cell 240b of present embodiment one second active component 246 of configuration is arranged all, therefore can control and switch the light intensity of control pixel cell 240b out of the ordinary when the stravismus by the software or the design of circuit, with the image that chaotic squinter was seen.
What deserves to be mentioned is, when view angle-adjustable LCD device 1000 when the light leak intensity of G, H direction is high more, the destroyed effect of the image quality of the picture that the squinter saw is just good more.Therefore, we more can be disposed at color filter film correspondence red, blue, green on subtend substrate 300 or the active elements array substrates 200 among the display pixel cells 240a, and the transparent photoresist of corresponding configuration in the control pixel cell 240b, or hollow out, to increase view angle-adjustable LCD device 1000 in the light leak intensity of G, H direction.What deserves to be mentioned is, when the no any photoresist layer in the corresponding control of subtend substrate 300 pixel cell 240b places, be a kind of embodiment of controlling pixel cell 240b thickness of liquid crystal layer greater than display pixel cells 240a thickness of liquid crystal layer also, as Fig. 8 C.
In addition, we also can select the color filter film of corresponding display pixel cells 240a for use two kinds of different colors with the color filter film of corresponding control pixel cell 240b.So also can utilize color to reach the purpose of chaotic vision.
When if view angle-adjustable LCD device 1000 adopts penetration or semi-penetration, semi-reflective design, also can comprise backlight module 2000, and active elements array substrates 200, subtend substrate 300, liquid crystal layer 400 and polaroid 500,600 all are disposed at backlight module 2000 tops, show to use the light that backlight module 2000 was provided.Known basic building block, allocation position and the using method of knowing backlight module 2000 of those of ordinary skill in the art just repeats no more in this instructions.
In sum, the view angle-adjustable LCD device 1000 of present embodiment has the function of the protection user right of privacy.In addition, the user can freely be switched the Right of Privacy Protection function, has ease of use.
[second embodiment]
Fig. 5 is the active elements array substrates vertical view of the view angle-adjustable LCD device of second embodiment of the invention.The present embodiment and first embodiment are roughly the same, and represent same or analogous element with the same or analogous label of first embodiment.Please refer to Fig. 5, the present embodiment and the first embodiment difference are: in the active elements array substrates 200 of first embodiment, all dispose second active component 246 among each control pixel cell 240b.Therefore the distinctly brightness when looking side ways, seen of switching controls pixel cell 240b.Yet present embodiment is that each control pixel electrode 248 ' of controlling pixel cell 240b ' is connected to the control element 246 ' that the neighbour is located at active elements array substrates 200 ' viewing area 200a.This control element 246 ' can be active component such as thin film transistor (TFT).When therefore the user was switched the visual angle interference function, all control pixel cell 240b can send the light of interference.
[the 3rd embodiment]
Fig. 6 is the active elements array substrates vertical view of the view angle-adjustable LCD device of third embodiment of the invention.Present embodiment and first, second embodiment are roughly the same, and therefore same or analogous element numbers is represented same or analogous element.Please refer to Fig. 6, present embodiment is with first, second embodiment difference: can promptly be controlled pixel cell 240b number and be less than display pixel cells 240a number by the corresponding a plurality of display pixel cells 240a of control pixel cell 240b.Thus, also can switch second active component 246 " to reach the function that disturb at the visual angle.
[the 4th embodiment 1
Fig. 7 A is the vertical view of single pixel cell in the view angle-adjustable LCD device of fourth embodiment of the invention, and Fig. 7 B is the transmittance axle of polaroid of Fig. 7 A and the synoptic diagram of lqiuid crystal molecule tipping direction.Please also refer to Fig. 7 A and Fig. 7 B; specifically; in order more effectively to reach the purpose of the protection user right of privacy, control pixel cell 240b " ' also comprise the 3rd area dividing structure 270, wherein the 3rd area dividing structure 270 is for can make liquid crystal molecule have the orientation of GH direction.Thus, control pixel cell 240b " ' just have the light leak of E, F, G, H four direction simultaneously, so only face the user of view angle-adjustable LCD device (not shown), just can see correct and complete image.Other are view angle-adjustable LCD device top, below, left and right sides slant-eye thus, can only see shinny interference picture.Therefore, can reach the purpose of effective protection user right of privacy.
Specifically; though above-mentioned first; each control pixel cell of second embodiment is that E is arranged; the light leak of F direction; and each control pixel cell of the 4th embodiment is that E is arranged; F; G; the light leak of H four direction; but those of ordinary skill in the art also can be under invention spirit of the present invention; allow the control pixel cell of each pixel cell have only E; F or G; one of them light leak of H both direction; and in the control pixel cell of pixel cell random arrangement on active elements array substrates with these light leaks; equally also can allow the people of stravismus view angle-adjustable LCD device of the present invention can only see shinny interference picture; but not complete and correct image, and then reach protection user's the purpose of the right of privacy.
In sum, view angle-adjustable LCD device of the present invention has following advantage at least:
One, the user can be switched the angular field of view of view angle-adjustable LCD device easily, has ease of use.
Two, from the upper and lower of view angle-adjustable LCD device or and arranged on left and right sides slant-eye, can only see shinny picture, but not correct and complete display image.The user who only faces this view angle-adjustable LCD device can see complete and correct display image, therefore can protect user's privacy effectively.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; those of ordinary skill in the technical field under any; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim person of defining.
Claims (20)
1. view angle-adjustable LCD device comprises:
Active elements array substrates, have a plurality of display pixel cells and a plurality of control pixel cell, and each display pixel cells comprises first active component, display pixel electrode and first area partition structure, this first active component and this display pixel electrode are electrical connected, each control pixel cell comprises second active component, control pixel electrode and second area partition structure, and this second active component and this control pixel electrode are electrical connected;
The subtend substrate is disposed at this active elements array substrates top;
Liquid crystal layer, be disposed between this active elements array substrates and this subtend substrate, have a plurality of liquid crystal molecules, this first and second area dividing structure is used so that liquid crystal molecule has the orientation of first direction and second direction respectively, wherein this first direction is not equal to this second direction, and should control the interior phase-delay quantity (Δ nd) of pixel cell greater than the phase-delay quantity in this display pixel cells; And
Two polaroids are disposed at respectively on this active elements array substrates and this surface of subtend substrate away from this liquid crystal layer, and wherein the transmittance axle of these polaroids is vertical mutually, and at least one transmittance axle is perpendicular to second direction.
2. view angle-adjustable LCD device as claimed in claim 1, this liquid crystal layer has first thickness and second thickness respectively in this display pixel cells and this control pixel cell, and this second thickness is greater than this first thickness.
3. view angle-adjustable LCD device as claimed in claim 1, wherein this subtend substrate is a colored optical filtering substrates.
4. view angle-adjustable LCD device as claimed in claim 3, wherein corresponding each the display pixel cells place of this colored optical filtering substrates has the first colorized optical filtering block.
5. view angle-adjustable LCD device as claimed in claim 4, wherein corresponding each the control pixel cell place of this colored optical filtering substrates has the second colorized optical filtering block, and this adjacent first colorized optical filtering block is identical with this second colorized optical filtering block color.
6. view angle-adjustable LCD device as claimed in claim 4, wherein corresponding each the control pixel cell place of this colored optical filtering substrates has the second colorized optical filtering block, and the first adjacent colorized optical filtering block is different with the second colorized optical filtering block color.
7. view angle-adjustable LCD device as claimed in claim 4, wherein corresponding each the control pixel cell place of this colored optical filtering substrates has transparent block.
8. view angle-adjustable LCD device as claimed in claim 1 also has overlayer on this display pixel cells on this active elements array substrates.
9. view angle-adjustable LCD device as claimed in claim 1, on this subtend substrate to also having overlayer in the display pixel cells place.
10. view angle-adjustable LCD device as claimed in claim 1 wherein also has the 3rd area dividing structure in this control pixel cell, and the 3rd area dividing structure is used so that liquid crystal molecule has the orientation of third direction.
11. a view angle-adjustable LCD device comprises:
Active elements array substrates, has the viewing area, wherein this viewing area has a plurality of display pixel cells and a plurality of control pixel cell, and each display pixel cells comprises first active component, display pixel electrode and first area partition structure, this first active component and this display pixel electrode are electrical connected, each control pixel cell comprises control pixel electrode and second area partition structure, and control element is adjacent to this viewing area and is electrical connected with this control pixel electrode;
The subtend substrate is disposed at this active elements array substrates top;
Liquid crystal layer, be disposed between this active elements array substrates and this subtend substrate, have a plurality of liquid crystal molecules, this first and second area dividing structure is used so that liquid crystal molecule has the orientation of first direction and second direction respectively, wherein this first direction is not equal to this second direction, and should control the interior phase-delay quantity (Δ nd) of pixel cell greater than the phase-delay quantity in this display pixel cells; And
Two polaroids are disposed at respectively on this active elements array substrates and this surface of subtend substrate away from this liquid crystal layer, and wherein the transmittance axle of these polaroids is vertical mutually, and at least one transmittance axle is perpendicular to the second direction orientation.
12. view angle-adjustable LCD device as claimed in claim 11, this liquid crystal layer has first thickness and second thickness respectively in this display pixel cells and this control pixel cell, and this second thickness is greater than this first thickness.
13. view angle-adjustable LCD device as claimed in claim 11, wherein this subtend substrate is a colored optical filtering substrates.
14. view angle-adjustable LCD device as claimed in claim 13, wherein corresponding each the display pixel cells place of this colored optical filtering substrates has the first colorized optical filtering block.
15. view angle-adjustable LCD device as claimed in claim 14, wherein corresponding each the control pixel cell place of this colored optical filtering substrates has the second colorized optical filtering block, and this adjacent first colorized optical filtering block is identical with this second colorized optical filtering block color.
16. view angle-adjustable LCD device as claimed in claim 14, wherein corresponding each the control pixel cell place of this colored optical filtering substrates has the second colorized optical filtering block, and the first adjacent colorized optical filtering block is different with the second colorized optical filtering block color.
17. view angle-adjustable LCD device as claimed in claim 14, wherein corresponding each the control pixel cell place of this colored optical filtering substrates has transparent block.
18. view angle-adjustable LCD device as claimed in claim 11 also has overlayer on this display pixel cells on this active elements array substrates.
19. view angle-adjustable LCD device as claimed in claim 11, on this subtend substrate to also having overlayer in the display pixel cells place.
20. view angle-adjustable LCD device as claimed in claim 10 wherein also has the 3rd area dividing structure in this control pixel cell, the 3rd area dividing structure is used so that liquid crystal molecule has the orientation of third direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101860626A CN101435963A (en) | 2007-11-13 | 2007-11-13 | View angle-adjustable LCD device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101860626A CN101435963A (en) | 2007-11-13 | 2007-11-13 | View angle-adjustable LCD device |
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| CN101435963A true CN101435963A (en) | 2009-05-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896585A (en) * | 2016-07-26 | 2017-06-27 | 住华科技股份有限公司 | TN type liquid crystal displays |
| CN110208970A (en) * | 2019-05-15 | 2019-09-06 | 深圳市华星光电技术有限公司 | Display |
| CN111583876A (en) * | 2020-05-29 | 2020-08-25 | 深圳市华星光电半导体显示技术有限公司 | Backlight module preparation method and device |
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2007
- 2007-11-13 CN CNA2007101860626A patent/CN101435963A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896585A (en) * | 2016-07-26 | 2017-06-27 | 住华科技股份有限公司 | TN type liquid crystal displays |
| CN110208970A (en) * | 2019-05-15 | 2019-09-06 | 深圳市华星光电技术有限公司 | Display |
| CN111583876A (en) * | 2020-05-29 | 2020-08-25 | 深圳市华星光电半导体显示技术有限公司 | Backlight module preparation method and device |
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Application publication date: 20090520 |