CN102466905B - Three-dimensional display - Google Patents
Three-dimensional display Download PDFInfo
- Publication number
- CN102466905B CN102466905B CN201010540822.0A CN201010540822A CN102466905B CN 102466905 B CN102466905 B CN 102466905B CN 201010540822 A CN201010540822 A CN 201010540822A CN 102466905 B CN102466905 B CN 102466905B
- Authority
- CN
- China
- Prior art keywords
- light source
- solid state
- state light
- crystal panel
- liquid crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Liquid Crystal (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention provides a three-dimensional display. The three-dimensional display comprises a linear Fresnel lens, a liquid crystal panel, a lenticular grating, a solid-state light source, a synchronous driving unit and an image source, wherein the lenticular grating comprises a plurality of lenticular units, the solid-state light source is provided with a first stripped light source group and a second stripped light source group corresponding to each lenticular unit, the image source is connected with the liquid crystal panel and the solid-state light source through the synchronous driving unit, and is used for providing a left eye image and a right eye image in frame sequences for the liquid crystal panel, and the synchronous driving unit is used for selectively controlling the ON of the first light source group or the second light source group of the solid-state light source according to the frame sequences of the left eye image and the right eye image. According to the three-dimensional display provided by the invention, the synchronous driving unit controls the ON of the first light source group and the second light source group in the solid-state light source respectively according to time sequence of the image frame, so that each lenticular unit can be used for separating a light path according to the time sequence, the linear Fresnel lens is used for converging time-sequence light paths separated from a grating of a microlens, and therefore the three-dimensional display of an image can be realized.
Description
Technical field
The present invention relates to three-dimensional stereo display technique, particularly relate to a kind of three-dimensional display.
Background technology
Along with the development of multimedia technology, user is also more and more higher to multimedia requirement, wishes that the demand can experiencing more smooth 3 D stereo (3D) picture is urgently to be resolved hurrily.
The naked eyes of people are when watching object, two eyes watch object from two angles respectively, because angle is different, the two width pictures seen have fine distinction, the two width pictures that eyes are seen by brain are mixed into a complete picture, and carry out aware space information according to their difference, and then produce the visual effect of 3 D stereo.
In multimedia technology field, the kind of three-dimensional stereo display technique is very many, and what Application comparison was many is mainly divided into spectacle and bore hole formula two type.Spectacle 3D stereo display technique mainly realizes right and left eyes two-way image sequential be separated by wearing switch glasses or polaroid glasses, thus provides anaglyph for observer's eyes.Bore hole formula 3D stereo display technique mainly realizes light path by optical module and is separated, and provides image respectively for observer's right and left eyes, produces stereo display effect.
Summary of the invention
The object of the present invention is to provide a kind of three-dimensional display, provide bore hole three-dimensional display function with simple structure.
Technical scheme of the present invention is as follows:
A kind of three-dimensional display, comprise: linear Fresnel lens, liquid crystal panel, column mirror grating, solid state light emitter, synchronous driver element and image source, described column mirror grating comprises some post mirror units, described solid state light emitter each post mirror unit corresponding is equipped with the first light source group and the secondary light source group of strip, described image source is by synchronous driver element connecting fluid crystal panel and solid state light emitter, described image source provides the right and left eyes image of frame sequence for liquid crystal panel, described synchronous driver element controls the first light source group or the unlatching of secondary light source group of described solid state light emitter according to the frame sequence selectivity of right and left eyes image, described linear Fresnel lens is used for the sequential light path separated from lenticule grating to converge respectively, described synchronous driver element first light source group controlled in solid state light emitter when image source sends odd-numbered frame image to liquid crystal panel is opened, described synchronous driver element secondary light source group controlled in solid state light emitter when image source sends even frame image to liquid crystal panel is opened.
Described three-dimensional display, wherein, described linear Fresnel lens, liquid crystal panel, column mirror grating and solid state light emitter are arranged in order from top to bottom.
Described three-dimensional display, wherein, described liquid crystal panel, column mirror grating and solid state light emitter are arranged in order from top to bottom, and described linear Fresnel lens is between liquid crystal panel and column mirror grating.
Described three-dimensional display, wherein, described solid state light emitter is inorganic light-emitting diode.
Described three-dimensional display, wherein, described column mirror grating is plano-convex lens optical thin film.
Above-mentioned three-dimensional display is opened according to first secondary light source group in the sequential control solid state light emitter of picture frame respectively by synchronous driver element, thus make each post mirror unit all according to time ordered pair light path be separated, by linear Fresnel lens, the sequential light path separated from lenticule grating is converged respectively again, thus realize the stereo display of image.
Accompanying drawing explanation
Fig. 1 is the structural representation of three-dimensional display better embodiment of the present invention;
Fig. 2 is plano-convex lens grating beam splitting light path schematic diagram in better embodiment of the present invention;
Fig. 3 is better embodiment center pillar mirror grating planar structural representation of the present invention;
Fig. 4 is that in better embodiment of the present invention, bar shaped solid state light emitter and column mirror grating match schematic diagram.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to figure 1, three-dimensional display of the present invention comprises: linear Fresnel lens 10, liquid crystal panel 20, column mirror grating 30, solid state light emitter 40, synchronous driver element 50 and image source 60, described linear Fresnel lens 10, liquid crystal panel 20, column mirror grating 30 and solid state light emitter 40 are arranged in order from top to bottom, and described image source 60 is by synchronous driver element 50 connecting fluid crystal panel 20 and solid state light emitter 40.
As shown in Figure 3, described column mirror grating 30 possesses certain thickness plano-convex lens optical thin film, comprise some post mirror units 32, its pitch should match with the size of solid state light emitter 40, namely column mirror grating 30 pitch is greater than the width of two row light sources in bar shaped solid state light emitter 40, its light splitting optical path as shown in Figure 2, design parameter is see following formula: f=X-d+d/n, s=X-d, d=nr/ (n-1)-ns, wherein, f is focal length, s is the distance between column mirror grating 30 and solid state light emitter 40, d is the thickness of column mirror grating 30, r is the radius-of-curvature of post mirror unit 32, H is post mirror unit principal point, n is the refractive index of post mirror unit.
Described bar shaped solid state light emitter 40 such as Fig. 4 shows, its pattern can be vertical bar shape or dot matrix list structure, each post mirror unit 32 corresponding is provided with two row light source groups and odd column light source group 42 and even column light source group 44, fundamental purpose is when liquid crystal panel 20 shows parity frame image, it is luminous that solid state light emitter 40 also can realize corresponding parity column order, and described solid state light emitter can be inorganic light-emitting diode or organic EL display panel (OLED).
The effect of linear Fresnel lens 10 described in the present invention is converged to respectively the right and left eyes of beholder sequential (i.e. parity frame) light path separated from lenticule grating 30 by liquid crystal panel 20.Therefore, beholder should be positioned near the focal plane of linear Fresnel lens 10, can watch comfortable 3D stereoscopically displaying images.Described linear Fresnel lens 10 also can be positioned between liquid crystal panel 20 and lenticule grating array 30 in the present invention, and consequently the display solid region of three-dimensional display has reduction to a certain degree.Liquid crystal panel 20 described in the present invention should adopt the liquid crystal panel of the higher speed of response, generally adopts 120Hz and with the TFT liquid crystal panel of upper frequency.
The effect of described image source 60 is the right and left eyes images being supplied to liquid crystal panel 20 frame sequence by synchronous driver element 50.
Described synchronous driver element 50 Main Function is that the frame sequence making solid state light emitter 40 show image along with liquid crystal panel 20 carries out sequence switch, such as, when liquid crystal panel 20 shows the first two field picture, synchronous driver element 50 controls the electric power starting of the odd column 42 of solid state light emitter 40, the power-off of even column 44; When liquid crystal panel 20 shows the second two field picture, synchronous driver element 50 controls the electric power starting of the even column 44 of solid state light emitter 40, the power-off of odd column 42, by that analogy, the light source row being controlled solid state light emitter array 40 by synchronous driver element 50 is luminous according to corresponding parity frame sequential, by synchronous driver element 50 control chart image source 60, the parity frame of image is sent to liquid crystal panel 20 to show simultaneously, the object of image stereo display can be reached.
Three-dimensional display provided by the invention is opened according to the odd column in the sequential control solid state light emitter 40 of picture frame or even column light source respectively by synchronous driver element 50, thus make lenticule grating array 30 can according to time ordered pair right and left eyes light path be separated, by linear Fresnel lens, the sequential light path separated from lenticule grating is converged respectively again, the different picture frame making the right and left eyes of user watch liquid crystal panel 20 to show respectively, achieves the stereo display of image.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (5)
1. a three-dimensional display, comprise: linear Fresnel lens, liquid crystal panel, column mirror grating, solid state light emitter, synchronous driver element and image source, described column mirror grating comprises some post mirror units, described solid state light emitter each post mirror unit corresponding is equipped with the first light source group and the secondary light source group of strip, described image source is by synchronous driver element connecting fluid crystal panel and solid state light emitter, described image source provides the right and left eyes image of frame sequence for liquid crystal panel, described synchronous driver element controls the first light source group or the unlatching of secondary light source group of described solid state light emitter according to the frame sequence selectivity of right and left eyes image, described linear Fresnel lens is used for the sequential light path separated from lenticule grating to converge respectively, the pattern of described solid state light emitter is vertical bar shape or dot matrix list structure, each post mirror unit corresponding is provided with two row light source groups and odd column light source group and even column light source group, for when liquid crystal panel shows parity frame image, realize corresponding parity column order luminous, described synchronous driver element first light source group controlled in solid state light emitter when image source sends odd-numbered frame image to liquid crystal panel is opened, described synchronous driver element secondary light source group controlled in solid state light emitter when image source sends even frame image to liquid crystal panel is opened, described column mirror grating comprises some post mirror units, the pitch of described column mirror grating is greater than the width of two row light sources in described solid state light emitter, and meet following formula: f=X-d+d/n, s=X-d, d=nr/ (n-1)-ns, wherein, f is focal length, s is the distance between described column mirror grating and described solid state light emitter, d is the thickness of described column mirror grating, r is the radius-of-curvature of described post mirror unit, n is the refractive index of described post mirror unit.
2. three-dimensional display according to claim 1, is characterized in that: described linear Fresnel lens, liquid crystal panel, column mirror grating and solid state light emitter are arranged in order from top to bottom.
3. three-dimensional display according to claim 1, is characterized in that: described liquid crystal panel, column mirror grating and solid state light emitter are arranged in order from top to bottom, and described linear Fresnel lens is between liquid crystal panel and column mirror grating.
4. three-dimensional display according to claim 1, is characterized in that: described solid state light emitter is inorganic light-emitting diode.
5. three-dimensional display according to claim 1, is characterized in that: described column mirror grating is plano-convex lens optical thin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010540822.0A CN102466905B (en) | 2010-11-09 | 2010-11-09 | Three-dimensional display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010540822.0A CN102466905B (en) | 2010-11-09 | 2010-11-09 | Three-dimensional display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102466905A CN102466905A (en) | 2012-05-23 |
| CN102466905B true CN102466905B (en) | 2015-06-03 |
Family
ID=46070766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010540822.0A Active CN102466905B (en) | 2010-11-09 | 2010-11-09 | Three-dimensional display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102466905B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767988A (en) * | 2014-01-07 | 2015-07-08 | 四川爱特尔科技有限公司 | Stereoscopic image display system |
| WO2021119807A1 (en) * | 2019-12-19 | 2021-06-24 | Aye3D Inc. | Method and display system for showing a stereoscopic image |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3072866B2 (en) * | 1991-10-15 | 2000-08-07 | 日本電信電話株式会社 | 3D stereoscopic image display device |
| DE69735736T2 (en) * | 1996-01-31 | 2006-11-02 | Canon K.K. | Stereoscopic image display device with broadened field of view |
| CN1727940A (en) * | 2004-07-26 | 2006-02-01 | 周龙交 | Stereoscopic display unit |
| JP4934975B2 (en) * | 2005-03-17 | 2012-05-23 | エプソンイメージングデバイス株式会社 | Image display device |
| US7750982B2 (en) * | 2008-03-19 | 2010-07-06 | 3M Innovative Properties Company | Autostereoscopic display with fresnel lens element and double sided prism film adjacent a backlight having a light transmission surface with left and right eye light sources at opposing ends modulated at a rate of at least 90 hz |
-
2010
- 2010-11-09 CN CN201010540822.0A patent/CN102466905B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102466905A (en) | 2012-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5128790B2 (en) | High resolution autostereoscopic display | |
| CN102243402B (en) | Liquid crystal lens grating and stereo display device thereof | |
| US7821711B2 (en) | 2D-3D image switching display system | |
| CN101285938B (en) | Highly efficient 2d-3d switchable display device | |
| US9104032B1 (en) | Naked-eye 3D display device and liquid crystal lens thereof | |
| CN101907774B (en) | Stereoscopic display device | |
| CN102879912B (en) | Rear naked-eye three-dimensional (3D) display and display method | |
| KR101115700B1 (en) | display apparatus for selecting display from 2-dimension and 3-dimension image | |
| CN102466906B (en) | Rotatably-displaying stereoscopic display | |
| KR101174841B1 (en) | Three dimensional display | |
| CN102073142A (en) | Stereoscopic display unit | |
| US20130027909A1 (en) | 3-dimensional displaying apparatus using line light source | |
| KR20120131561A (en) | Image Display Device | |
| CN102116936B (en) | Stereopicture display | |
| CN102778756A (en) | Image display device | |
| CN103309096A (en) | Double-layer structural liquid crystal lens and three-dimensional display device | |
| JP2013015613A (en) | Lens module and display device | |
| CN102193204A (en) | Stereoscopic display and stereoscopic display system | |
| US20150070476A1 (en) | Three-dimensional display device | |
| CN102081238B (en) | Optically controlled grating type free and stereo display device and preparation method thereof | |
| KR101717650B1 (en) | Stereoscopic 3d display device and method of driving the same | |
| CN102466905B (en) | Three-dimensional display | |
| US20130235002A1 (en) | Auto stereoscopic display apparatus | |
| CN103472587B (en) | Stereo display device | |
| KR101697591B1 (en) | Stereoscopic 3d display device and method of driving the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |