CN201408292Y - Display unit - Google Patents
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- CN201408292Y CN201408292Y CN2009201537865U CN200920153786U CN201408292Y CN 201408292 Y CN201408292 Y CN 201408292Y CN 2009201537865 U CN2009201537865 U CN 2009201537865U CN 200920153786 U CN200920153786 U CN 200920153786U CN 201408292 Y CN201408292 Y CN 201408292Y
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- 230000004888 barrier function Effects 0.000 claims abstract description 38
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims description 59
- 230000005684 electric field Effects 0.000 claims description 23
- 230000010287 polarization Effects 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 210000001508 eye Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a display unit which comprises a parallax barrier type panel and a displayer. The parallax barrier type panel comprises a first basal plate, a second basal plate, a first electrode layer, a second electrode layer, a first alignment film and a liquid crystal layer; the second basal plate is arranged under the first basal plate; the first electrode layer covers the surface of the first basal plate, which faces the second basal plate; the second electrode layer is arranged on the surface of the second basal plate, which faces the first basal plate; the second electrodelayer is provided with a plurality of slits which have the same direction; the first alignment film is covered on the surface of the second basal plate, which faces the first basal plate, and is provided with a first alignment direction; the first alignment direction is substantially vertical to the direction of the slits; the liquid crystal layer is arranged between the first electrode layer andthe first alignment film; and the second basal plate of the parallax barrier type panel is arranged on the displayer.
Description
Technical field
The utility model relates to a kind of display, and particularly relevant for a kind of three-dimensional display.
Background technology
Development aspect display technique, except pursue compact, more wish to accomplish to show the target of stereopsis.At present, but stereo display technique can roughly be divided into the observer and need wear the hyperphoria with fixed eyeballs mirror (Stereoscopic) that the particular design glasses watch bore hole formula (Auto-stereoscopic) stereo display technique that stereo display technique and bore hole are watched.Yet hyperphoria with fixed eyeballs mirror stereo display technique is not good because of its convenience and comfortableness, and is replaced by bore hole formula stereo display technique gradually.
The bore hole formula stereo display technique that development is at present come out mainly is to utilize grating to control the image that audience left eye and right eye are received.According to the visual characteristic of human eye, when left eye, right eye are watched identical presentation content respectively, but when having the image of different parallaxes (parallax), human eye can be watched a stereopsis.Generally speaking, the display device that can show stereopsis promptly is by grating (barrier) is disposed between display panel and the human eye, so that human eye is watched a stereopsis.
Figure l is the synoptic diagram of known a kind of display device, and Fig. 2 is the synoptic diagram of the disparity barrier substrate among the figure l.Please refer to Fig. 1 and Fig. 2, known display device 100 comprises a module 110 backlight, a display panel 120 and a disparity barrier panel (Parallax Barrier Panel) 130, and display panel 120 is disposed between module 110 backlight and the disparity barrier panel 130.
Fig. 3 is the synoptic diagram of the alignment direction of alignment film and the slit trend of disparity barrier substrate.Please refer to Fig. 2 and Fig. 3, electrode layer 136a has more a plurality of slit S.See it from the direction of vertical infrabasal plate 136, the D1 that moves towards of these slits S has an angle theta (this angle theta is about 116.57 °) with the alignment direction D2 that is disposed at the alignment film on the electrode layer 136a.
Fig. 4 is the top view that liquid crystal molecule is disposed at the regional area A among Fig. 3.Please refer to Fig. 3 and Fig. 4,, therefore can produce the transverse electric field component E that moves towards D1 of parallel infrabasal plate 136 and vertical slits S because the electric field at slit S edge can be dispersed
fThe liquid crystal molecule 134a that is positioned at slit S edge can be subjected to this transverse electric field component E
fTraction, and can't present the toppling over of expection (as the orientation of the liquid crystal molecule 134a beyond the slit S edge), and then produce the phenomenon of light leak.Therefore, when display device shows stereopsis, because the light leakage phenomena of disparity barrier substrate, and then cause left-eye images can't separate fully with right-eye image, cause the display effect of stereopsis not good.
The utility model content
The utility model provides a kind of display device, and it has good stereopsis display effect.
The utility model proposes a kind of display device, comprise a disparity barrier panel and a display.The disparity barrier panel comprises one first substrate, one second substrate, one first electrode layer, a second electrode lay, one first alignment film and a liquid crystal layer.Second substrate is disposed under first substrate, first electrode layer covers the surface of first substrate towards second substrate, and the second electrode lay is disposed at the surface of second substrate towards first substrate, and the second electrode lay has a plurality of slits, and wherein these slits have a trend.First alignment film is covered in second substrate on the surface of first substrate, and has one first alignment direction, and wherein first alignment direction is in fact perpendicular to the trend of these slits.Liquid crystal layer is disposed between first electrode layer and first alignment film.Second substrate of disparity barrier panel is disposed on the display.
In an embodiment of the present utility model, above-mentioned display device also comprises one second alignment film that is covered on first electrode layer, and second alignment film has one second alignment direction, and first alignment direction is in fact perpendicular to second alignment direction.In an embodiment of the present utility model, when between first electrode layer and the second electrode lay voltage difference being arranged, the edge of these slits has a transverse electric field, and the electric field line direction of this transverse electric field is parallel to first alignment direction.
In an embodiment of the present utility model, aforementioned display device is LCD (LCD), and LCD has one first polaroid and one second polaroid, first polaroid is than the second polaroid relative proximity disparity barrier panel, and wherein the polarization direction of first polaroid is parallel with first alignment direction.In addition, above-mentioned disparity barrier panel more comprises one the 3rd polaroid, is disposed at first substrate relatively away from a surface of display.
In an embodiment of the present utility model, aforementioned display device is organic light emitting display (OLED), plasma display (PDP) or cathode ray tube (CRT) display.In addition, above-mentioned disparity barrier panel also comprises one first polaroid and one second polaroid, and first polaroid is disposed at first substrate relatively away from a surface of display, and second polaroid is disposed at a surface of the second substrate relative proximity display.
In an embodiment of the present utility model, above-mentioned liquid crystal layer has a plurality of liquid crystal molecules, and these liquid crystal molecules are the nematic crystal molecule.
Based on above-mentioned, the utility model is designed in fact trend perpendicular to the slit on second substrate by first alignment direction that will be positioned at first alignment film on second substrate, so that the electric field line direction of dispersing the transverse electric field that produces because of electric field at the slit edge can be parallel to first alignment direction.Therefore, the liquid crystal molecule that drawn by transverse electric field can be parallel to first alignment direction topples over, and then can improve the light leakage phenomena that the disparity barrier substrate produces at the slit edge.
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram of known a kind of display device.
Fig. 2 is the synoptic diagram of the disparity barrier substrate among Fig. 1.
Fig. 3 is the synoptic diagram of the alignment direction of alignment film and the slit trend of disparity barrier substrate.
Fig. 4 is the top view that liquid crystal molecule is disposed at the regional area A among Fig. 3.
Fig. 5 is the explosive view of the display device of the utility model first embodiment.
Fig. 6 is the synoptic diagram of the alignment direction and the slit trend of two alignment films among Fig. 5.
Fig. 7 is the top view that liquid crystal molecule is disposed at the regional area B among Fig. 6.
Fig. 8 is the explosive view of the display device of the utility model second embodiment.
Embodiment
What proposed among the following different embodiment can reasonably make up mutually, replace or be omitted under the situation as the thin portion structure of example, with in response to different actual demands.In addition, for convenience of description, and make description can be easier to be understood, hereinafter adopt same or analogous label to come assembly like the representation class, and may omit the explanatory note of repetition.
[first embodiment]
Fig. 5 is the explosive view of the display device of the utility model first embodiment.Please refer to Fig. 5, in the present embodiment, display device 10 comprises a disparity barrier panel 200 and a display 300, and disparity barrier panel 200 is disposed on the display 300.Display 300 that it should be noted that present embodiment is to be that example describes with non-self-luminous display, and it for example is a LCD.Therefore, display 300 needs configuration in order to the light source module (not illustrating) of light source to be provided.
Fig. 6 is the synoptic diagram of the alignment direction and the slit trend of two alignment films among Fig. 5.Please refer to Fig. 5 and Fig. 6, in the present embodiment, display device 10 can comprise that one is covered in second alignment film 270 on first electrode layer 230, and second alignment film 270 has one second alignment direction R2.Liquid crystal layer 260 is disposed between first electrode layer 230 and first alignment film 250, and has a plurality of liquid crystal molecules 262.Wherein, the liquid crystal molecule 262 of present embodiment is the nematic crystal molecule, so the first alignment direction R1 of first alignment film 250 is vertical in fact mutually with the second alignment direction R2 of second alignment film 270.In addition, make liquid crystal molecule 262 present specific tilt angle, help to improve the speed of replying of liquid crystal molecule 262, and then can make display device 10 have preferable display effect by the effect of first alignment film 250 and second alignment film 270.
In addition, display 300 also has one first polaroid 310 and one second polaroid 320.Specifically, display 300 comprises a display panels 302 and a module 330 backlight, wherein display panels 302 has first polaroid 310 and second polaroid 320 respectively on each surface of second substrate 220 of disparity barrier panel 200 and module backlight 330, and the polarization direction P1 of first polaroid 310 is perpendicular to the polarization direction of second polaroid 320.In addition, disparity barrier panel 200 more comprises one the 3rd polaroid 280, be disposed at first substrate, 210 relative surfaces away from display 300, and the polarization direction P1 of first polaroid 310 is identical with the first alignment direction R1, and the polarization direction P2 of the 3rd polaroid 280 is then perpendicular to the first alignment direction R1.
When light was penetrated by display 300, light was understood polarized and is made light polarization direction be parallel to the polarization direction P1 of first polaroid 310.If between first electrode layer 230 and the second electrode lay 240 during the no-voltage difference, liquid crystal molecule 262 in the liquid crystal layer 260 can make by the polarization direction of the light of first polaroid 310 and rotate about 90 degree, thereby it is parallel with the polarization direction P2 of the 3rd polaroid 280, and then making light can pass through the 3rd polaroid 280, picture is bright attitude.Otherwise when having a voltage difference between two electrode layers 230,240, liquid crystal molecule 262 is to be in the state of standing, so the polarization direction of the light by first polaroid 310 can not change, thereby can't pass through the 3rd polaroid 280, and picture is dark attitude.
Fig. 7 is the top view that liquid crystal molecule is disposed at the regional area B among Fig. 6.Please refer to Fig. 5, Fig. 6 and Fig. 7, in the present embodiment, the second electrode lay 240 has a plurality of slits 242, and these slits 242 have the S1 of trend.Owing to when between first electrode layer 230 and the second electrode lay 240 voltage difference being arranged, can disperse, therefore can produce one and be parallel to second substrate 220 and vertically this moves towards the transverse electric field E of S1 at the electric field at these slit 242 edges.
It should be noted that the utility model is designed in fact perpendicular to moving towards S1, so that the electric field line direction of this transverse electric field E can be parallel to the first alignment direction R1 by the first alignment direction R1 with first alignment film 250.Further say, when between first electrode layer 230 and the second electrode lay 240 voltage difference being arranged, the liquid crystal molecule 262 that is positioned at slit 242 edges can be subjected to the traction of transverse electric field E, topple over and be parallel to the first alignment direction R1, and then the light that can stop slit 242 edges passes through, and produces the phenomenon of light leaks to avoid disparity barrier substrate 200.Therefore, by the first alignment direction R1 and slit 242 move towards the vertical configuration mode of S1, disparity barrier panel 200 can separate left-eye images with right-eye image fully, so that display device 10 produces stereopsis more clearly.
[second embodiment]
Fig. 8 is the explosive view of the display device of the utility model second embodiment.Please refer to Fig. 8, display device 10 differences of the display device 10 ' of present embodiment and first embodiment are: the display 300 ' of display device 10 ' is to be that example describes with the self-luminous display, and wherein the display panel of self-luminous display need not dispose in order to the module backlight (not illustrating) of light source to be provided.For example, self-luminous display can be organic light emitting display, plasma scope or cathode-ray tube display or the like.
Because self-luminous display itself does not have the setting of polaroid, so the disparity barrier panel 200 ' of present embodiment comprises one first polaroid 260 ' and one second polaroid 270 ', and first polaroid 260 ' is disposed at first substrate 210 relatively away from a surface of display 300 ', and second polaroid 270 ' is disposed at a surface of second substrate, 220 relative proximity displays 300 '.In other words, first polaroid 260 ' and second polaroid 270 ' are to be disposed at respectively on the outside surface of first substrate 210 and second substrate 220.
In addition, the polarization direction of first polaroid 260 ' and second polaroid 270 ' is orthogonal.So, can make display device 10 ' have good display effect.Compared to first embodiment, the disparity barrier panel 200 ' of present embodiment has reduced and has been arranged at lip-deep second polaroid 320 of display 300 away from disparity barrier panel 200.
In sum, the utility model is designed in fact trend perpendicular to the slit on second substrate by first alignment direction that will be positioned at first alignment film on second substrate, so that between two electrode layers voltage difference is arranged and when producing electric field, the electric field line direction of dispersing the transverse electric field that produces because of electric field at the slit edge can be parallel to first alignment direction.Thus, can topple over to be parallel to first alignment direction by the liquid crystal molecule of transverse electric field traction, produce the phenomenon of light leak to avoid the disparity barrier panel.Therefore, the disparity barrier panel can separate left-eye images with right-eye image fully, so that display device produces stereopsis more clearly.
Though the utility model with embodiment openly as above; right its is not in order to limit the utility model; have in the technical field under any and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, so protection domain of the present utility model is as the criterion when looking the aforesaid right claimed range person of defining.
Claims (8)
1. a display device is characterized in that, comprising:
One disparity barrier panel comprises:
One first substrate;
One second substrate is disposed under this first substrate;
One first electrode layer covers the surface of this first substrate towards this second substrate;
One the second electrode lay is disposed at the surface of this second substrate towards this first substrate,
This second electrode lay has a plurality of slits, and those slits have a trend;
One first alignment film is covered in this second substrate on the surface of this first substrate, has one first alignment direction, and wherein this first alignment direction is in fact perpendicular to this trends of those slits;
One liquid crystal layer is disposed between this first electrode layer and this first alignment film; And
One display, wherein this second substrate of this disparity barrier panel is disposed on this display.
2. display device as claimed in claim 1 is characterized in that, also comprises one second alignment film, be covered on this first electrode layer, and this second alignment film has one second alignment direction, and this first alignment direction is in fact perpendicular to this second alignment direction.
3. display device as claimed in claim 1 is characterized in that, when between this first electrode layer and this second electrode lay voltage difference being arranged, the edge of those slits has a transverse electric field, and the electric field line direction of this transverse electric field is parallel to this first alignment direction.
4. display device as claimed in claim 1, it is characterized in that, this display is a LCD, and this LCD has one first polaroid and one second polaroid, this first polaroid is than this this disparity barrier panel of second polaroid relative proximity, and a polarization direction of this first polaroid is parallel with this first alignment direction.
5. display device as claimed in claim 4 is characterized in that, this disparity barrier panel also comprises one the 3rd polaroid, is disposed at this first substrate relatively away from a surface of this display.
6. display device as claimed in claim 1 is characterized in that, this display is organic light emitting display, plasma display or cathode-ray tube display.
7. display device as claimed in claim 6, it is characterized in that, this disparity barrier panel more comprises one first polaroid and one second polaroid, this first polaroid is disposed at this first substrate relatively away from a surface of this display, and this second polaroid is disposed at a surface of this this display of second substrate relative proximity.
8. display device as claimed in claim 1 is characterized in that this liquid crystal layer has a plurality of liquid crystal molecules, and those liquid crystal molecules are the nematic crystal molecule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201537865U CN201408292Y (en) | 2009-05-12 | 2009-05-12 | Display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201537865U CN201408292Y (en) | 2009-05-12 | 2009-05-12 | Display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408292Y true CN201408292Y (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201537865U Expired - Fee Related CN201408292Y (en) | 2009-05-12 | 2009-05-12 | Display unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN201408292Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654648A (en) * | 2012-03-01 | 2012-09-05 | 友达光电股份有限公司 | Stereoscopic display panel and barrier panel |
| CN102768409A (en) * | 2012-07-26 | 2012-11-07 | 南京中电熊猫液晶显示科技有限公司 | Parallax barrier and stereo display device with same |
| CN102929023A (en) * | 2012-10-26 | 2013-02-13 | 南京华日液晶显示技术有限公司 | Method for manufacturing 2D/3D (two dimensional/three dimensional) display switchover parallax barrier grid by using LCD (Liquid Crystal Display) |
-
2009
- 2009-05-12 CN CN2009201537865U patent/CN201408292Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654648A (en) * | 2012-03-01 | 2012-09-05 | 友达光电股份有限公司 | Stereoscopic display panel and barrier panel |
| CN102654648B (en) * | 2012-03-01 | 2014-12-31 | 友达光电股份有限公司 | Stereoscopic display panel and barrier panel |
| CN102768409A (en) * | 2012-07-26 | 2012-11-07 | 南京中电熊猫液晶显示科技有限公司 | Parallax barrier and stereo display device with same |
| CN102929023A (en) * | 2012-10-26 | 2013-02-13 | 南京华日液晶显示技术有限公司 | Method for manufacturing 2D/3D (two dimensional/three dimensional) display switchover parallax barrier grid by using LCD (Liquid Crystal Display) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20170512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |