CN101907774B - Stereoscopic display device - Google Patents
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- CN101907774B CN101907774B CN 201010229985 CN201010229985A CN101907774B CN 101907774 B CN101907774 B CN 101907774B CN 201010229985 CN201010229985 CN 201010229985 CN 201010229985 A CN201010229985 A CN 201010229985A CN 101907774 B CN101907774 B CN 101907774B
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Abstract
The invention provides a stereoscopic display device. The stereoscopic display device provides a parallax display picture to the space specific direction and comprises a display module, a backlight module and a light division module. The light division module is used for modulating light from the specific range of the backlight module according to the time sequence and providing the light after modulation to the display module according to the specific direction, and the display module is used for carrying out corresponding display on the light after the modulation according to the time sequence. The stereoscopic display device has the advantages of better full resolution, better small-picture display quality and the like.
Description
Technical field
The present invention relates to a kind of display device, relate in particular to a kind of 3 d display device.
Background technology
People's left eye and right eye have spacing, cause two visual angle to have fine distinction, and the scenery that such difference can allow left eye and right eye observe respectively has parallax slightly, thereby forms stereo-picture in people's brain.
General 3 d display device is when watching, need to wear anaglyph spectacles, so that originally just wear the beholder of glasses (such as spectacles, reading glasses etc.), in order to obtain clearly viewing effect, need to two pairs of glasses are overlapping, so that comparatively inconvenience is watched in stereo display.In addition, because the width between the two mirror pin of anaglyph spectacles is normally fixing, this may be so that the beholder of different shapes of face can not obtain better experience when wearing anaglyph spectacles.Therefore, the bore hole stereo display technique that does not need to wear anaglyph spectacles is more and more paid close attention to by people.
The autostereoscopic display apparatus cardinal principle is that grating is set before display panel, for example slit grating or cylindrical grating, and at least two width of cloth anaglyphs that described grating shows display panel offer respectively beholder's images of left and right eyes.
At present, great majority are based on the naked-eye stereoscopic display device of grating, and its sharpness all can not be satisfactory.First, the pixel of grating pair display panel is cut apart, when showing large picture, display panel has not big harm, but show that thereby the meetings such as little picture such as literal carry out light splitting to picture and produce the phenomenon cut apart, be embodied in the lines fracture, the handwriting is blurred etc., makes the beholder not see Chu's font, and show as on the whole one by one granule, although a lot of plane/stereo handoff techniques are arranged at present, for wanting under stereoscopic-state as the game scene, want to see clearly particularly difficulty of little font; The second, also be the important point, current most of bore hole stereo display is because the principle of its stereo display limits, and a picture shows two width of cloth even more images simultaneously, causes resolution to decline to a great extent.
Summary of the invention
3 d display device resolution is lower, the problem of phenomenon is cut apart in generation when showing little picture for having now, the invention provides a kind of full resolution, shows preferably 3 d display device of little picture quality.
A kind of 3 d display device, it provides parallax display frame to the space specific direction, this 3 d display device comprises that display module, backlight module and light cuts apart module, this light is cut apart module according to the light of sequential modulation from this backlight module particular range, and the light after will modulating offers this display module by specific direction, and the light of this display module after according to sequential utilization modulation carries out correspondence demonstration.
Further improvement as above-mentioned 3 d display device, this light is cut apart module and is comprised the first slit array, adjacent this backlight module of this first slit array, and this first slit array comprises photic zone and shading region, this photic zone and this shading region switch according to sequential, a certain zone at a time is photic zone, is shading region constantly at next.
As the further improvement of above-mentioned 3 d display device, the ratio of this photic zone and this shading region is 1: 1.
As the further improvement of above-mentioned 3 d display device, this 3 d display device further comprises electronic control module, and this electronic control module provides the sequential control of this light being cut apart module and this display module.
Further improvement as above-mentioned 3 d display device, this light of this electric control module controls is cut apart module and this display module synchronous operation, when this light cut apart module with ray cast this display module simultaneous display first specific region disparity map of this electric control module controls during to the first specific region, the light that this moment, this backlight module sent can only be seen in this first specific region.
Further improvement as above-mentioned 3 d display device, when this light is cut apart module with ray cast during to the second specific region, this display module simultaneous display first specific region disparity map of this electric control module controls, the light that this moment, this backlight module sent can only be in this second specific region.
As the further improvement of above-mentioned 3 d display device, the relative position of this first specific region and this second specific region remains unchanged.
As the further improvement of above-mentioned 3 d display device, this light is cut apart module and is further comprised the microtrabeculae lens arra, and this first slit array is positioned at the focal plane position of this microtrabeculae lens arra.
As the further improvement of above-mentioned 3 d display device, the microtrabeculae lens bearing of trend of this microtrabeculae lens arra is parallel to the slit bearing of trend of this first slit array.
As the further improvement of above-mentioned 3 d display device, the microtrabeculae lens bearing of trend of this microtrabeculae lens arra favours the slit bearing of trend of this first slit array.
As the further improvement of above-mentioned 3 d display device, this first slit array is the black-and-white crystal panel.
As the further improvement of above-mentioned 3 d display device, this light is cut apart module and is further comprised the second slit array, and this first slit array is the black-and-white crystal panel, and this second slit array is the liquid crystal slit.
As the further improvement of above-mentioned 3 d display device, this light is cut apart module and is further comprised the second slit array, and this first slit array and this second slit array all are the liquid crystal slits.
Further improvement as above-mentioned 3 d display device, this first slit array comprises photic zone and shading region, this photic zone and this shading region according to the time preamble section switch, a certain zone at a time be photic zone, comprises simultaneously shading region and photic zone in next moment.
Further improvement as above-mentioned 3 d display device, this 3 d display device further comprises tracing module, this tracing module detects viewing location, and viewing location information is fed back to this electronic control module, and this electronic control module is modulated this first slit array according to this viewing location information.
A kind of 3 d display device, it provides parallax display frame to the space specific direction, and this 3 d display device comprises that display module, backlight module, light cuts apart module and electronic control module.This light is cut apart module to this electronic control module and this display module carries out timing synchronization control, this backlight module is cut apart module to this light provides light, this light is cut apart module according to the seeing through and blocking of the sequential control light of this electronic control module, and this display module carries out corresponding simultaneous display according to the sequential control of this electronic control module.
3 d display device of the present invention switches the stereo display that realizes full resolution in conjunction with the mode of cutting apart backlight by sequential, makes stereo display have higher sharpness, even also better display quality can be arranged when showing little picture.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION synoptic diagram of 3 d display device the first embodiment of the present invention.
Fig. 2 is the side structure synoptic diagram of black and white slit shown in Figure 1.
Fig. 3 is that the light of 3 d display device shown in Figure 1 is selected synoptic diagram.
Fig. 4 is 3 d display device shown in Figure 1 shows left eye figure in first moment synoptic diagram.
Fig. 5 is 3 d display device shown in Figure 1 shows right eye figure in second moment synoptic diagram.
Fig. 6 is 3 d display device shown in Figure 1 shows stereoscopic picture plane in consecutive periods principle schematic.
Fig. 7 is the part-structure synoptic diagram that the light of 3 d display device the second embodiment of the present invention is cut apart module.
Fig. 8 is the part-structure synoptic diagram that the light of 3 d display device the 3rd embodiment of the present invention is cut apart module.
Fig. 9 is the STRUCTURE DECOMPOSITION synoptic diagram that the light of 3 d display device the 4th embodiment of the present invention is cut apart module.
Figure 10 is the contrast synoptic diagram of the whole switching mode of the black and white slit of 3 d display device the 5th embodiment of the present invention and part switching mode.
Figure 11 is the display comparison synoptic diagram of different switching modes shown in Figure 10.
Embodiment
Below in conjunction with accompanying drawing 3 d display device of the present invention is described.
Seeing also Fig. 1, is the STRUCTURE DECOMPOSITION synoptic diagram of 3 d display device the first embodiment of the present invention.This 3 d display device 1 provides parallax display frame to the space specific direction, and it comprises that backlight module 11, light cuts apart module 12, display module 13 and electronic control module (not shown).
This backlight module 11 is arranged on the rear that this light is cut apart module 12, and its Main Function is to provide light source for this 3 d display device 1.This backlight module 11 is the backlight of common common liquid crystals display panel, for example the multiple backlights such as cold-cathode fluorescence lamp (cold cathode fluorescent lamp, CCFL) and light emitting diode (light emitting diode, LED).
This light is cut apart the place ahead that module 12 is arranged on this backlight module 11, and its Main Function is chronologically partial occlusion and seeing through of light that this backlight module 11 is sent, and this light is cut apart module 12 and comprised microtrabeculae lens arra 122 and slit array 121.
This microtrabeculae lens arra 122 comprises a plurality of microtrabeculae lens that are parallel to each other (not indicating), its Main Function is to the first specific region and the second specific region with ray cast, wherein, for example beholder's left eye or right eye of this first specific region and this second specific region.
In the present embodiment, this slit array 121 is black and white slit array, for example common black-and-white crystal box.See also Fig. 2, this slit array 121 comprises upper polaroid 1211, top glass substrate 1212, upper transparency electrode 1213, upper oriented layer 1214, liquid crystal layer 1215, lower oriented layer 1216, lower transparency electrode 1217, lower glass substrate 1218, lower polaroid 1219 and the frame glue (not shown) that is cascading, and this liquid crystal layer 1215 is sealed between this top glass substrate 1212 and this lower glass substrate 1218 by this frame glue.
This slit array 121 is formed with photic zone (not indicating) and shading region (not indicating), and its Main Function is to block and see through the light that enters left eye and right eye.The ratio of this photic zone and this shading region is 1: 1.Under the control of this electronic control module, this photic zone and this shading region can sequential switch, and that is to say that a certain zone at a time is photic zone, are shading region constantly at next.
Further, this slit array 121 is positioned on the focal plane of this microtrabeculae lens arra 122, and namely the focus of the microtrabeculae lens in this microtrabeculae lens arra 122 is all on these slit array 121 residing planes.
See also Fig. 3, from the light that this backlight module 11 sends, arrive this slit array 121, the light that 121 pairs of these backlight modules 11 of this slit array send is selected.Take Fig. 3 as example, a certain moment light 151 allows to see through, and light 152 is blocked, and next moment light 151 is blocked, and light 152 allows to see through.Because this slit array 121 is positioned on the focal plane of this microtrabeculae lens arra 122, according to the optical principle of post lens, the light that sees through this slit array 121 is consistent through the exit direction behind this microtrabeculae lens arra 122.So, this microtrabeculae lens arra 122 can arrive to this backlight module 11 effect of contraction that rises of these microtrabeculae lens arra 122 light, further it is throwed left eye or the right eye to the people.
This display module 13 is a common LCDs, and it is mainly used to show two width of cloth disparity maps.The light of this display module 13 comes from the light of cutting apart module 12 through this light, and these light are through projecting people's left eye or right eye behind this display module 13.In the present embodiment, the microtrabeculae lens in the trend of the RGB vitta direction of this display module 13, the slit of this slit array 121 and this microtrabeculae lens arra 122 move towards identical, be vertical direction.
As mentioned above, this electronic control module can be controlled this photic zone of this slit array 121 and the sequential of this shading region is switched, and it also further this light is cut apart module 12 and this display module 13 carries out timing synchronization control.Namely, when this light is cut apart module 12 with ray cast at the moment left, these display module 13 simultaneous display left eye disparity maps of this electric control module controls, when light is cut apart module 12 with ray cast at the moment to the right, these display module 13 simultaneous display right eye disparity maps of this electric control module controls.
See also Fig. 4, in first moment, this slit array 121 is positioned on the focal plane of this lens arra 122, and wherein the black and white width is 1: 1.Through the modulating action of this slit array 121 and this lens arra 122, the light that this backlight module 11 sends can only be seen by left eye, and can not be seen by right eye.Meanwhile, this display panel 13 is positioned at this suitable distance in microtrabeculae lens arra 122 the place aheads, is through this light and cuts apart the light of module 12 and illuminate, and seen by left eye, and carve at this moment, this display panel of this electric control module controls shows the left eye figure among the stereoscopic parallax figure.
Please consult Fig. 5, in second moment, the photic zone of this slit array 121 and non-photic zone switch again, like this, through the modulating action of this liquid crystal slit 121 and this microtrabeculae lens arra 122, the light that this backlight module 11 sends can only be seen by right eye, and can not be seen by left eye.Meanwhile, this display panel 13 is in this suitable distance in microtrabeculae lens arra 122 the place aheads, is through this light and cuts apart the light of module 12 and illuminate, and seen by right eye, and carve at this moment, this display panel of this electric control module controls shows the right eye figure among the stereoscopic parallax figure.
As shown in Figure 6, through the conversion of a time cycle, because the visual persistence effect of human eye, left eye receives the left eye figure of stereoscopic parallax figure, and right eye receives the right eye figure of stereoscopic parallax figure, can form stereo-picture after left eye figure and right eye figure are synthetic.
Compared to prior art, this 3 d display device 1 of present embodiment switches the stereo display that can realize full resolution in conjunction with the mode of cutting apart backlight by sequential, make stereo display have higher sharpness, can avoid the lines fracture when showing little picture, the bad phenomenon such as the handwriting is blurred.In addition, because showing, present high-frequency plane becomes a reality, so this 3 d display device 1 has very high practicality.
See also Fig. 7, this 3 d display device 1 of 3 d display device the second embodiment of the present invention and the first embodiment is roughly the same, its key distinction is: the microtrabeculae lens arra 122 of cutting apart in the module 12 backlight is replaced by liquid crystal slit 222 in the present embodiment in the first embodiment, and namely the module 22 of cutting apart backlight in the present embodiment comprises black and white slit 221 and liquid crystal slit 222.
See also Fig. 8, this 3 d display device of 3 d display device the 3rd embodiment of the present invention and the second embodiment is roughly the same, its key distinction is: the black and white slit 221 of cutting apart module 22 backlight is further replaced by another liquid crystal slit 321 in the second embodiment, namely backlightly in the present embodiment cuts apart the combination that module 32 is liquid crystal slit 321 and liquid crystal slit 322.
See also Fig. 9, this 3 d display device 1 of 3 d display device the 4th embodiment of the present invention and the first embodiment is roughly the same, its key distinction is: the bearing of trend of the microtrabeculae lens in the present embodiment in the microtrabeculae lens arra 422 of cutting apart module 42 backlight becomes an angle of inclination with the bearing of trend of the slit of slit array 421, and wherein the microtrabeculae lens in this microtrabeculae lens arra 422 are vertical trend.
See also Figure 10 and Figure 11, this 3 d display device 1 of 3 d display device the 5th embodiment of the present invention and the first embodiment is roughly the same, its key distinction is: the slit array 521 of cutting apart module (indicating) backlight is carried out the part switching in the present embodiment, that is to say, slit array 521 no longer is that the integral body of photic zone and shading region is switched, switch but carry out part, be that a certain zone at a time is photic zone, constantly comprise simultaneously shading region and photic zone at next, perhaps a certain zone at a time is shading region, comprises simultaneously shading region and photic zone constantly at next.Owing within the cycle of a slit array 521, comprise a plurality of pixel cells.Provided the contrast of original whole switching mode and the part switching mode in the present embodiment among Figure 10, wherein, (a) part represents original whole switching mode, and (b) part represents the part switching mode of present embodiment.A kind of benefit of this part switching mode is to match with tracing module, for example match with a face tracking module (not shown), when the viewing location information that detects the beholder when the face tracking module changes, for example beholder's head is offset, and positional information is changed feed back to electronic control module is switched this slit array 521 with counterpart photic zone and shading region.Figure 11 has provided the contrast under whole switching mode and the part switching mode, and wherein (a) part represents original whole switching mode, and (b) part represents the part switching mode of present embodiment.The head bias that present embodiment can solve the observer exceeds left eye figure and the right eye figure cross-interference issue that range of observation causes, thereby obtains best stereo display effect.
Only be preferred case study on implementation of the present invention below, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. 3 d display device, it provides parallax display frame to the space specific direction, this 3 d display device comprises display module, it is characterized in that: this 3 d display device comprises that further backlight module and light cuts apart module, this light is cut apart module according to the light of sequential modulation from this backlight module particular range, and the light after will modulating offers this display module by specific direction, light after this display module is modulated according to the sequential utilization carries out correspondence and shows, this light is cut apart module and is comprised the first slit array, adjacent this backlight module of this first slit array, and this first slit array comprises photic zone and shading region, this photic zone and this shading region switch according to sequential, a certain zone at a time is photic zone, constantly comprise simultaneously shading region and photic zone at next, described the first slit array matches with tracing module, when the viewing location information that detects the beholder when tracing module changes, positional information changed feed back to electronic control module is switched described the first slit array with counterpart photic zone and shading region.
2. 3 d display device according to claim 1 is characterized in that: comprise in photic zone and the shading region that at described the first slit array the ratio of this photic zone and this shading region is 1:1.
3. 3 d display device according to claim 1, it is characterized in that: this 3 d display device further comprises electronic control module, this electronic control module provides the sequential control of this light being cut apart module and this display module.
4. 3 d display device according to claim 3, it is characterized in that: this light of this electric control module controls is cut apart module and this display module synchronous operation, when this light cut apart module with ray cast this display module simultaneous display first specific region disparity map of this electric control module controls during to the first specific region, the light that this moment, this backlight module sent can only be seen in this first specific region.
5. 3 d display device according to claim 4, it is characterized in that: when this light is cut apart module with ray cast during to the second specific region, this display module simultaneous display first specific region disparity map of this electric control module controls, the light that this moment, this backlight module sent can only be in this second specific region.
6. 3 d display device according to claim 5 is characterized in that: the relative position of this first specific region and this second specific region remains unchanged.
7. 3 d display device according to claim 1, it is characterized in that: this light is cut apart module and is further comprised the microtrabeculae lens arra, and this first slit array is positioned at the focal plane position of this microtrabeculae lens arra.
8. 3 d display device according to claim 7, it is characterized in that: the microtrabeculae lens bearing of trend of this microtrabeculae lens arra is parallel to the slit bearing of trend of this first slit array.
9. 3 d display device according to claim 7, it is characterized in that: the microtrabeculae lens bearing of trend of this microtrabeculae lens arra favours the slit bearing of trend of this first slit array.
10. 3 d display device according to claim 7, it is characterized in that: this first slit array is the black-and-white crystal panel.
11. 3 d display device according to claim 1 is characterized in that: this light is cut apart module and is further comprised the second slit array, and this first slit array is the black-and-white crystal panel, and this second slit array is the liquid crystal slit.
12. 3 d display device according to claim 1 is characterized in that: this light is cut apart module and is further comprised the second slit array, and this first slit array and this second slit array all are the liquid crystal slits.
13. 3 d display device according to claim 1, it is characterized in that: this 3 d display device further comprises tracing module, this tracing module detects viewing location, and viewing location information fed back to this electronic control module, this electronic control module is modulated this first slit array according to this viewing location information.
14. 3 d display device, it provides parallax display frame to the space specific direction, this 3 d display device comprises display module, it is characterized in that: this 3 d display device further comprises backlight module, light is cut apart module and electronic control module, this light is cut apart module to this electronic control module and this display module carries out timing synchronization control, this backlight module is cut apart module to this light provides light, this light is cut apart module seeing through and blocking according to the sequential control light of this electronic control module, this display module carries out corresponding simultaneous display according to the sequential control of this electronic control module, this light is cut apart module and is comprised the first slit array, adjacent this backlight module of this first slit array, and this first slit array comprises photic zone and shading region, this photic zone and this shading region switch according to sequential, a certain zone at a time is photic zone, constantly comprise simultaneously shading region and photic zone at next, described the first slit array matches with tracing module, when the viewing location information that detects the beholder when tracing module changes, positional information changed feed back to electronic control module is switched described the first slit array with counterpart photic zone and shading region.
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| CN 201010229985 CN101907774B (en) | 2010-07-05 | 2010-07-05 | Stereoscopic display device |
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| CN 201010229985 CN101907774B (en) | 2010-07-05 | 2010-07-05 | Stereoscopic display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102096202B (en) * | 2011-01-07 | 2014-05-07 | 郑州中原显示技术有限公司 | Three-dimensional large screen with discrete light emitter and manufacturing method thereof |
| KR102008213B1 (en) | 2012-07-27 | 2019-08-08 | 삼성디스플레이 주식회사 | Method of displaying three dimensional image and three dimensional image display apparatus for performing the method |
| CN104903776A (en) * | 2012-11-29 | 2015-09-09 | 新加坡科技研究局 | Method of forming a film with a lenticular lens array |
| CN103152594B (en) | 2013-02-20 | 2015-04-01 | 京东方科技集团股份有限公司 | Method and device for controlling three-dimensional (3D) display |
| CN103185989A (en) * | 2013-03-21 | 2013-07-03 | 江西合力泰科技股份有限公司 | LCD (liquid crystal display) stereoscopic glasses lenses |
| FR3012625B1 (en) * | 2013-10-31 | 2017-04-28 | Wysips | OPTICAL DEVICE FOR VARYING THE SURFACE APPEARANCE OF A PARTIALLY COVERED LIGHT ENERGY SENSOR OF IMAGE AREA |
| CN104871071B (en) * | 2013-12-19 | 2018-10-09 | 3D Tau股份有限公司 | Automatic stereo system |
| CN103698933B (en) * | 2013-12-30 | 2017-03-29 | 京东方科技集团股份有限公司 | three-dimensional display |
| TWI514006B (en) * | 2014-03-11 | 2015-12-21 | Au Optronics Corp | Multi-view display |
| CN105116647A (en) * | 2015-08-11 | 2015-12-02 | 江西合力泰科技有限公司 | Dual-box naked-eye 3D (three-dimensional) LCD (Liquid Crystal Display) |
| CN105404010B (en) * | 2015-12-10 | 2018-06-26 | 中山大学 | Allow time-multiplexed grating style three-dimension display system and method |
| CN105842864B (en) * | 2016-06-16 | 2018-06-29 | 成都工业学院 | A kind of slim grating 3D display device |
| CN105842865B (en) * | 2016-06-21 | 2018-01-30 | 成都工业学院 | A kind of slim grating 3D display device based on slit grating |
| CN106125322A (en) * | 2016-09-05 | 2016-11-16 | 万维云视（上海）数码科技有限公司 | Bore hole 3D display floater and bore hole 3D display device |
| CN109613709B (en) * | 2019-01-25 | 2021-06-22 | 广州弥德科技有限公司 | Directional display device based on two LCD screens |
| CN110082960B (en) * | 2019-05-15 | 2020-08-04 | 合肥工业大学 | Highlight partition backlight-based light field display device and light field optimization algorithm thereof |
| CN114640837B (en) * | 2020-12-15 | 2023-11-28 | 京东方科技集团股份有限公司 | Naked eye 3D display device |
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