CN201689242U - Stereoscopic display - Google Patents
Stereoscopic display Download PDFInfo
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- CN201689242U CN201689242U CN2010201510530U CN201020151053U CN201689242U CN 201689242 U CN201689242 U CN 201689242U CN 2010201510530 U CN2010201510530 U CN 2010201510530U CN 201020151053 U CN201020151053 U CN 201020151053U CN 201689242 U CN201689242 U CN 201689242U
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- polarized light
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- polaroid glasses
- linearly polarized
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Abstract
A stereoscopic display comprises a display device, a phase filtering device and external polaroid glasses, and is characterized in that light emitted from the display device is linearly polarized light in the single direction; the phase filtering device comprises a 90-degree-twisted TN type LCD and a drive circuit; the TN type LCD is clung to the surface of the display device and is connected to the peripheral drive circuit; and the external polaroid glasses are right opposite to the front of the phase filtering device and are used for detecting the deviation degree of the light emitted from the phase filtering device. The linearly polarized light with the same direction can be divided into linearly polarized light in two orthogonal directions through the 90-degree-twisted TN type LCD, and then the left rotation circularly polarized light and the right rotation circularly polarized light can be obtained through a lambda/4 wave plate, and therefore, the method is simple and the stereoscopic display can be practically realized.
Description
[technical field]
The utility model relates to stereoscopic display device, relates in particular to the three-dimensional display of using position phase filtrator.
[background technology]
The ultimate principle that 3D shows is two discrepant pictures are provided will for people's right and left eyes respectively, by brain this two width of cloth picture is synthesized the image with 3D effect.Can provide the mode of this two width of cloth picture to have much respectively, wherein utilizing polaroid glasses to come analyzing is wherein a kind of mode, is the information by a kind of phase filtrator output, thereby isolates the image of right and left eyes, offers right and left eyes respectively.It is to adopt the blooming of little polarizing layer (micro-polarizer) array that laser ablation comes out that this position phase filtrator has practical technology at present, and it is to adopt the difference of thickness to realize the difference of a phase.This technical requirement THICKNESS CONTROL is accurate, and uniformity requirement is very high, and therefore this blooming cost is very high, and it does not possess the extendability of performance.Mentioned three kinds of implementation methods in patent " what is split into 2007.7 for CN101000430A; " a kind of liquid crystal 3 D plane display ", Fujian ": the first increases the TN box, but it clearly is not how to make interlacing LC deflection, and only mentions and use linearly polarized light; Its two be with on face/end polaroid and the LCD/following PI layer orientation do interlacing simultaneously and handle; It three is processing of the face polaroid being cooked the interlacing polarization direction, and these three kinds of methods only are on the surface of theory design, implements quite difficulty.
[summary of the invention]
The utility model comes the mode of analyzing to finish stereo display in order to reach by polaroid glasses, and the special technical attainable three-dimensional display of a kind of possible in theory that proposes has adopted through the position phase filtration unit of improvement and realized its purpose.The simple possible effect is obvious.
The technical solution of the utility model is: a kind of three-dimensional display, comprise display device, position phase filtration unit and outside polaroid glasses, and it is characterized in that the light of described display device outgoing is the linearly polarized light of single direction; Institute's rheme phase filtration unit comprises TN type LCD and driving circuit of 90 degree distortions, described TN type LCD is close to the surface of display device, described TN type LCD is connected on the peripheral driving circuit, outside polaroid glasses are over against phase filtration unit the place ahead, position, the light that analyzing is sent from position phase filtration unit.
Described outside polaroid glasses see through the mutually perpendicular line polaroid glasses of direction about being.
Other one side in the corresponding display device of described TN type LCD is provided with a λ/4 wave plates, and described λ/4 wave plates are attached on the TN type LCD, and outside polaroid glasses are to see through the opposite rotatory polarization glasses of direction about one simultaneously.
In order to solve that the observer wears the casual swing of line polaroid glasses head and the problem that causes the 3D effect variation, special λ/4 wave plates that increase, and when not adopting λ/4 wave plates, the wearer wore is line polaroid glasses and the wearer wears when adopting λ/4 wave plates is the rotatory polarization glasses.
The show electrode of described TN type LCD has the equally spaced strip shaped electric poles corresponding with the odevity row sub-pixel of display device.
The show electrode of TN type LCD has the equally spaced strip shaped electric poles corresponding with the odevity row sub-pixel of display, this TN type LCD need be close to the surface of display, through accurate contraposition, make the width of the RGB sub-pixel of the width of strip shaped electric poles and LCD satisfy certain geometric relationship, as the signal of formula (1) and accompanying drawing 4.
p/P＝l/l+d (1)
Wherein, p is the width of this strip shaped electric poles, and P is the width of display sub-pixel, and d is the distance of the display layer of the display surface TN-LCD that arrives this 90 degree distortion; L is put in place the distance of phase filtrator outside surface of observer.
Position phase filtrator comprises the TN-LCD and the driving circuit of 90 degree distortions, and by the linearly polarized light of the equidirectional of display device outgoing, behind the TN-LCD through 90 degree distortions, in the odd-numbered line of electrodeless figure, linearly polarized light is just turned round by the TN box and turn 90 degrees; And in the even number line that the electrode image is arranged, because the effect of impressed voltage, linearly polarized light does not twist but directly penetrates, and does not change direction, so just has been distinguished into the linearly polarized light of the mutually perpendicular both direction of odd/even row.
And after having adopted λ/4 wave plates, position phase filtrator comprises the TN-LCD and a λ/4 wave plates of 90 degree distortions, by the display device outgoing be the linearly polarized light of equidirectional, behind the TN-LCD through 90 degree distortions, in the odd-numbered line of electrodeless figure, linearly polarized light is just turned round by the TN box and is turn 90 degrees; And in the even number line that the electrode image is arranged, because the effect of impressed voltage, linearly polarized light does not twist but directly penetrates, and does not change direction, so just has been distinguished into the linearly polarized light of the mutually perpendicular both direction of odd/even row; Behind λ/4 wave plates of the linearly polarized light of these two orthogonal directions through one deck optical axis direction and linearly polarized light direction folder 45, the linearly polarized light of two orthogonal directions has just become left circularly polarized light and right-circularly polarized light.
The beneficial effects of the utility model are: through the TN-LCD of 90 degree distortions, the linearly polarized light of equidirectional can be divided into the linearly polarized light of orthogonal both direction; Just can obtain left-handed and right-circularly polarized light through λ/4 wave plates then, can prevent the visual angle rotation and the 3D effect that brings is not good, method simply and in fact can realize.
[description of drawings]
Fig. 1 is the utility model one example structure synoptic diagram;
Fig. 2 is the another example structure synoptic diagram of the utility model;
Fig. 3 is the structural representation of this example meta phase filtration unit.
Fig. 4 is a display device sub-pixel and the position geometric relationship figure of filter for installation strip shaped electric poles mutually in this example.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.
Embodiment 1: a kind of three-dimensional display, comprise display device 1, position phase filtration unit 2 and outside polaroid glasses 3, and it is characterized in that the light of described display device 1 outgoing is the linearly polarized light of single direction; Institute's rheme phase filtration unit 2 comprises TN type LCD2.1 and driving circuit 2.3 of 90 degree distortions, described TN type LCD2.1 is close to the surface of display device 1, described TN type LCD2.1 is connected on the peripheral driving circuit 2.3, outside polaroid glasses 3 are over against phase filtration unit 2 the place aheads, position, the light that analyzing is sent from position phase filtration unit 2.
Described outside polaroid glasses 3 see through the mutually perpendicular line polaroid glasses of direction about being.
Other one side in the corresponding display device 1 of described TN type LCD2.1 is provided with a λ/4 wave plates 2.2, and described λ/4 wave plates 2.2 are attached on the TN type LCD2.1, and this moment, outside polaroid glasses 3 were to see through the opposite rotatory polarization glasses of direction about one.
In order to solve that the observer wears the casual swing of line polaroid glasses head and the problem that causes the 3D effect variation, special λ/4 wave plates 2.2 that increase, and when not adopting λ/4 wave plates 2.2, what the wearer wore is to see through the mutually perpendicular line polaroid glasses of direction, and when having adopted λ/4 wave plates 2.2, what the wearer wore is to see through the opposite rotatory polarization glasses of direction.
The show electrode of described TN type LCD2.1 has the equally spaced strip shaped electric poles corresponding with the odevity row sub-pixel of display device 1.TN type LCD2.1 need be close to the surface of display, through accurate contraposition, makes the width of the RGB sub-pixel of the width of strip shaped electric poles and LCD satisfy certain geometric relationship, as the signal of formula (1) and accompanying drawing 4.
Further, when we have introduced λ/4 wave plates, institute's rheme phase filtration unit 2 just comprises TN-LCD2.1, λ/4 wave plates 2.2 and driving circuit 2.3 of 90 degree distortions, position phase filtering result is produced jointly by both: by the liquid crystal indicator outgoing is the linearly polarized light of single equidirectional, behind the TN-LCD through 90 degree distortions, in the odd-numbered line of electrodeless figure, linearly polarized light is just turned round by the TN box and is turn 90 degrees; And in the even number line that the electrode image is arranged, because the effect of impressed voltage, linearly polarized light does not twist but directly penetrates, and does not change direction, so just has been distinguished into the linearly polarized light of the mutually perpendicular both direction of odd/even row; Behind λ/4 wave plates of the linearly polarized light of these two orthogonal directions through one deck optical axis direction and linearly polarized light direction folder 45, the linearly polarized light of two orthogonal directions has just become left circularly polarized light and right-circularly polarized light.
The form that the liquid crystal indicator content displayed becomes line-by-line by the hardware or the software processes of special use, odd-numbered line shows left-eye image, even number line shows eye image, and is perhaps opposite; The light of its outgoing is the linearly polarized photon of equidirectional;
TN type LCD in the phase filtration unit of position is close to the surface of display, have separately λ/2 retardation layers (Left-hand circular polarization layer) and 0 λ retardation layer (right-hand circular polarization layer), the corresponding odd-numbered line of its λ/2 retardation layers, the corresponding even number line of 0 λ retardation layer can produce two rightabout circularly polarized lights through after this part.Worn by the observer then and have two and see through the opposite rotatory polarization glasses of direction, glasses can only see through the light of identical polarization direction with it separately, thereby realize the separation of images of right and left eyes.
Claims (4)
1. a three-dimensional display comprises display device, position phase filtration unit and outside polaroid glasses, it is characterized in that the light of described display device outgoing is the linearly polarized light of single direction; Institute's rheme phase filtration unit comprises TN type LCD and driving circuit of 90 degree distortions, described TN type LCD is close to the surface of display device, described TN type LCD is connected on the peripheral driving circuit, outside polaroid glasses are over against phase filtration unit the place ahead, position, the light that analyzing is sent from position phase filtration unit.
2. according to the described three-dimensional display of claim 1, it is characterized in that described outside polaroid glasses see through the mutually perpendicular line polaroid glasses of direction about being.
3. according to the described three-dimensional display of claim 1, it is characterized in that, other one side in the corresponding display device of described TN type LCD is provided with a λ/4 wave plates, and described λ/4 wave plates are attached on the TN type LCD, and outside polaroid glasses are to see through the opposite rotatory polarization glasses of direction about one simultaneously.
4. according to the described three-dimensional display of claim 1, it is characterized in that the show electrode of described TN type LCD has the equally spaced strip shaped electric poles corresponding with the odevity row sub-pixel of display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201510530U CN201689242U (en) | 2010-03-31 | 2010-03-31 | Stereoscopic display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201510530U CN201689242U (en) | 2010-03-31 | 2010-03-31 | Stereoscopic display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689242U true CN201689242U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201510530U Expired - Lifetime CN201689242U (en) | 2010-03-31 | 2010-03-31 | Stereoscopic display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162958A (en) * | 2011-04-07 | 2011-08-24 | 昆山龙腾光电有限公司 | Stereoscopic display system |
| CN103149707A (en) * | 2013-02-25 | 2013-06-12 | 京东方科技集团股份有限公司 | Phase delay device and driving method and display device thereof |
| CN112902835A (en) * | 2019-12-04 | 2021-06-04 | 阳程科技股份有限公司 | Optical alignment detection device and detection method thereof |
-
2010
- 2010-03-31 CN CN2010201510530U patent/CN201689242U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162958A (en) * | 2011-04-07 | 2011-08-24 | 昆山龙腾光电有限公司 | Stereoscopic display system |
| CN102162958B (en) * | 2011-04-07 | 2012-11-21 | 昆山龙腾光电有限公司 | Stereoscopic display system |
| CN103149707A (en) * | 2013-02-25 | 2013-06-12 | 京东方科技集团股份有限公司 | Phase delay device and driving method and display device thereof |
| CN103149707B (en) * | 2013-02-25 | 2016-05-18 | 京东方科技集团股份有限公司 | Phase delaying device and driving method thereof, display unit |
| CN112902835A (en) * | 2019-12-04 | 2021-06-04 | 阳程科技股份有限公司 | Optical alignment detection device and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |