CN102998890A - Portable device with 3D (three-dimension) picture taking and 3D video displaying functions - Google Patents
Portable device with 3D (three-dimension) picture taking and 3D video displaying functions Download PDFInfo
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- CN102998890A CN102998890A CN2011102785296A CN201110278529A CN102998890A CN 102998890 A CN102998890 A CN 102998890A CN 2011102785296 A CN2011102785296 A CN 2011102785296A CN 201110278529 A CN201110278529 A CN 201110278529A CN 102998890 A CN102998890 A CN 102998890A
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Abstract
The invention discloses a portable device with 3D(three-dimension) picture taking and 3D video displaying functions. The portable device comprises a display panel, a backlight unit, a watch area separation unit, a polarizer, a polarization switch, a double-deflector and two cameras. The backlight unit provides a backlight source for the display panel; the watch area separation unit is used for separating watch area of a right-eye image from a watch area of a left-eye image; the polarizer is used polarizing light output from the display panel to generate first polarized light; the polarization switch is used for converting the first polarized light into second polarized light, and the second polarized light polarizes in a direction different from that of the first polarized light; the double-deflector has the refractive index changes along with polarization of incident light; and the two cameras are used for taking pictures in real time to form 3D images reaching the left eye and the right eye of a person respectively. 3D shooting and play functions are applied to portable devices such as mobile phones, laptops and the like, and video watching experiences of the portable devices are enhanced for people.
Description
Technical field
The present invention relates to the 3D field, relate in particular to the portable unit that a kind of 3D of possessing takes pictures and the 3D video shows.
Background technology
The 3D display technique can be divided into need to wear 3D glasses and bore hole demonstration two large classes, and their principle of work all is identical.Usually come the degree of depth of perceptual object based on the mankind with the nuance of the object seen by right eye and left eye, thereby identify the principle of stereo-picture.The key of 3D display technique is exactly to be how one group of content in two groups of different images is only entered people's left eye or right eye, thereby the vision difference that passes through in brain forms three-dimensional sensation, and employed special eyeglasses was the main tool that addresses this problem in the past.
The 3D that is applied in early days the video display aspect shows needs the glasses of collocation to mainly contain two kinds, adopted the polarizing filter imaging technique such as the 3D polarising glass, the light of film projector output just becomes polarized light by behind the polarized lenses, and the polarising glass that spectators use is a reduction process in fact.And for example Anaglyph3D Glasses (red green or red blue glasses) has adopted color optical filtering imaging technique, and the method that is actually by interpolation arithmetic realizes stereoeffect.
But, the 3D that wears the 3D glasses shows that some limitation are arranged.Wearing glasses is inconvenient all the time, thinks of, if the 3D glasses are lost, damaged, so just can't continue to experience stereopsis, and this is mainly manifested in takes on the formula product purpose.And a pair of glasses can only a people uses, if the attendance too much will not apply use, particularly aspect large-scale public display screen.Having is exactly that a lot of users are reflected that long-time wearing spectacles is watched and can be produced tired even dizzy sense of discomfort again, and therefore the 3D glasses do not obtain especially game player's approval of user fully all the time.So in order to improve the telepresenc of image, also impel display manufacturer to nakedly look, the 3D display technique development of many viewpoints.
Yet bore hole 3D is presented at when watching, and spectators need and display device keeps certain position just can see the image (it is larger that 3D effect is affected by the visual angle) of 3D effect.Concerning portable display device, owing to only be that the individual uses, can guarantee the position of watching.If 3D image shooting function and Presentation Function are integrated on the portable display terminal, with regard to the problem that does not exist viewing effect affected by the visual angle, thereby make the user obtain better visual experience.
Summary of the invention
The purpose of this invention is to provide the portable unit that a kind of 3D of possessing takes pictures and the 3D video shows.
The invention provides the present invention and disclose the portable unit that a kind of 3D of possessing takes pictures and the 3D video shows, it is characterized in that comprising: display panel; Back light unit is for described display panel provides backlight; The viewing areas separative element separates the viewing areas of eye image and the left-eye image of described display panel; Polarizer, polarization from the light of described display panel output to produce the first polarized light; Polarization switch converts described the first polarized light to second polarized light, and described the second polarized light is being different from polarization on described the first polarization direction of light; Birefringent plate has the refractive index that changes according to the incident polarisation of light; Two cameras are used for real-time photographic images, to form the 3D rendering that arrives respectively left eye and right eye.
Wherein, described portable unit further comprises a memory storage, is used for storing described two videos that camera photographs.
Wherein, the distance between described two cameras is the interpupillary distance of human eye.
Wherein, described viewing areas separative element is parallax barrier, and it is formed between described back light unit and the described display panel, and has a plurality of slits.
Wherein, the slit width of described parallax barrier is less than half of the spacing of described parallax barrier.
Wherein, described parallax barrier is by forming with the opaque material evaporation mask with predetermined space on a transparent substrates.
Wherein, described viewing areas separative element is a convex lens array element, and the convex lens array element is arranged between described polarizer and the described polarization switch, and comprises opening and the mask unit that is arranged alternately.
Wherein, described birefringent plate is formed by the optical material with high birefringence rate.
Wherein, the material of described birefringent plate is kalzit or lithium niobate.
Wherein, described portable unit is mobile phone, portable video playback terminal or notebook computer.
Compared with prior art, 3D is taken in the present invention and playing function is applied on the portable units such as mobile phone, notebook, because the visual angle can be arbitrarily adjusted in the just individual's use of these portable units, overcome the restriction of bore hole 3D demonstration to the visual angle, the video-see that has strengthened these portable units is experienced.
Description of drawings
Fig. 1 is that the present invention possesses that 3D takes pictures and the synoptic diagram of the portable unit that the 3D video shows.
Embodiment
See also Fig. 1,3D takes pictures and the 3D video shows the portable unit of possessing of the first embodiment of the present invention comprises back light unit 110, display panel 120, viewing areas separative element 115, polarizer 125, polarization switch 130, birefringent plate 135, two cameras 140 and storage unit 150.Described back light unit 110 provides backlight for described display panel 120.Described viewing areas separative element 115 separates the eye image of described display panel and the viewing areas of left-eye image; Described polarizer 125 polarizations from the light of described display panel output to produce the first polarized light; Described polarization switch 130 converts described the first polarized light to second polarized light, and described the second polarized light is being different from polarization on described the first polarization direction of light; Described birefringent plate 135 has the refractive index that changes according to the incident polarisation of light; Described two cameras 140 are used for real-time photographic images, and to form the 3D rendering that arrives respectively left eye and right eye, the distance between described two cameras 140 is the interpupillary distance of human eye.Described storage unit 150 is used for storing the video that described camera 140 photographs.
Described viewing areas separative element 115 can be parallax barrier, and it is formed between described back light unit 110 and the described display panel 120, and has a plurality of slits.The slit width of described parallax barrier is usually also little than half of the spacing of described parallax barrier.Described parallax barrier can be by forming with opaque material evaporation (vaporizing) mask with predetermined space on a transparent substrates.Described parallax barrier can have the structure that the spatial light modulator that can respond electric control carries out switch.When described parallax barrier can be opened and close, can realize two dimensional image by described parallax barrier is modulated into all-transparent, perhaps have slit and realize 3-D view by described parallax barrier is modulated into.In described situation, optionally realize two dimensional image pattern and 3-D view pattern.
Described polarizer 125 will become the first polarized light from the light polarization of described display panel 120 emissions, for example the s-polarized light.Described polarization switch 130 selectivity convert described the first polarized light to different polarized light, that is, and and the second polarized light.That is to say that described the first polarized light is retained as described the first polarized light or converts described the second polarized light to by polarization switch 130.
The refractive index of birefringent plate 135 depends on the incident polarisation of light.According to the direct transmission of ordinary refraction index n0, and the non-ordinary light that has perpendicular to the described optical axis of crystal of described birefringent plate 135 reflects according to described very optical index ne polarization parallel in the ordinary light of the optical axis of crystal of described birefringent plate 135.Described birefringent plate 135 can be formed by the optical material with high birefringence rate, for example, and optical grinding kalzit (CaCO3) or lithium niobate (LiNb3).
Described 115 viewing areas separative elements can also be convex lens array elements, and the convex lens array element is arranged between described polarizer 125 and the described polarization switch 130, and comprise opening and the mask unit that is arranged alternately.Described convex lens array element separates described viewing areas.
Described portable unit can be mobile phone, portable video playback terminal or notebook computer.
3D is taken in the present invention and playing function is applied on the portable units such as mobile phone, notebook, because these portable units just individual use, can arbitrarily adjust the visual angle, overcome the restriction of bore hole 3D demonstration to the visual angle, the video-see that has strengthened these portable units is experienced.
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 (10)
1. one kind possesses the portable unit that 3D takes pictures and the 3D video shows, it is characterized in that comprising:
Display panel;
Back light unit is for described display panel provides backlight;
The viewing areas separative element is arranged between display panel and the back light unit, separates the viewing areas of eye image and the left-eye image of described display panel;
Polarizer, polarization from the light of described display panel output to produce the first polarized light;
Polarization switch converts described the first polarized light to second polarized light, and described the second polarized light is being different from polarization on described the first polarization direction of light;
Birefringent plate after setting and the described polarization switch, has the refractive index that changes according to the incident polarisation of light;
Two cameras are used for real-time photographic images, to form the 3D rendering that arrives respectively left eye and right eye.
2. portable unit according to claim 1 is characterized in that, further comprises a memory storage, is used for storing described two videos that camera photographs.
3. portable unit according to claim 1 is characterized in that, the distance between described two cameras is the interpupillary distance of human eye.
4. portable unit according to claim 1 is characterized in that, described viewing areas separative element is parallax barrier, and it is arranged between described back light unit and the described display panel, and has a plurality of slits.
5. portable unit according to claim 4 is characterized in that, the slit width of described parallax barrier is less than half of the spacing of described parallax barrier.
6. portable unit according to claim 4 is characterized in that, described parallax barrier is by forming with the opaque material evaporation mask with predetermined space on a transparent substrates.
7. portable unit according to claim 1, it is characterized in that, described viewing areas separative element is a convex lens array element, and the convex lens array element is arranged between described polarizer and the described polarization switch, and comprises opening and the mask unit that is arranged alternately.
8. portable unit according to claim 1 is characterized in that, described birefringent plate is formed by the optical material with high birefringence rate.
9. portable unit according to claim 1 is characterized in that, the material of described birefringent plate is kalzit or lithium niobate.
10. portable unit according to claim 1 is characterized in that, described portable unit is mobile phone, portable video playback terminal or notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102785296A CN102998890A (en) | 2011-09-19 | 2011-09-19 | Portable device with 3D (three-dimension) picture taking and 3D video displaying functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102785296A CN102998890A (en) | 2011-09-19 | 2011-09-19 | Portable device with 3D (three-dimension) picture taking and 3D video displaying functions |
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| Publication Number | Publication Date |
|---|---|
| CN102998890A true CN102998890A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102785296A Pending CN102998890A (en) | 2011-09-19 | 2011-09-19 | Portable device with 3D (three-dimension) picture taking and 3D video displaying functions |
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| CN (1) | CN102998890A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015100924A1 (en) * | 2013-12-30 | 2015-07-09 | 京东方科技集团股份有限公司 | Stereoscopic display |
| CN115542644A (en) * | 2022-06-24 | 2022-12-30 | 华为技术有限公司 | Projection device, display equipment and vehicle |
-
2011
- 2011-09-19 CN CN2011102785296A patent/CN102998890A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015100924A1 (en) * | 2013-12-30 | 2015-07-09 | 京东方科技集团股份有限公司 | Stereoscopic display |
| US9958688B2 (en) | 2013-12-30 | 2018-05-01 | Boe Technology Group Co., Ltd. | Stereoscopic display |
| CN115542644A (en) * | 2022-06-24 | 2022-12-30 | 华为技术有限公司 | Projection device, display equipment and vehicle |
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Application publication date: 20130327 |