CN110045509A - A kind of multiple views orientation naked eye 3D display device - Google Patents
A kind of multiple views orientation naked eye 3D display device Download PDFInfo
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- CN110045509A CN110045509A CN201910194559.5A CN201910194559A CN110045509A CN 110045509 A CN110045509 A CN 110045509A CN 201910194559 A CN201910194559 A CN 201910194559A CN 110045509 A CN110045509 A CN 110045509A
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- lenticular lens
- lcd
- column
- light beam
- lcd cell
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The present invention relates to 3D display device technical fields, naked eye 3D display device is oriented more particularly to a kind of multiple views, its structure includes the backlight for being successively aligned fitting back to front, LCD switchboard, lenticular lens plate, it is fixed with lenticular lens sheet in front of lenticular lens plate, is fitted with LCD panel in front of lenticular lens sheet；LCD switchboard is equipped with several viewpoint units, several pairs of viewpoint units are arranged successively along the length direction of LCD switchboard, there are spacing between adjacent viewpoint unit, each viewpoint unit includes a L column LCD cell and a R column LCD cell, L column LCD cell is located at left side and projects the received light beam of left eye, and R column LCD cell is located at right side and projects the received light beam of right eye；Lenticular lens sheet is equipped with several convex lenses, the plate face of the primary optical axis of each convex lens perpendicular to lenticular lens plate, and the corresponding light beam for receiving a viewpoint unit of each convex lens.
Description
Technical field
The present invention relates to 3D display device technical fields, and in particular to a kind of multiple views orientation naked eye 3D display device.
Background technique
Naked eye 3D display device refers in the display without may be viewed by 3D stereoscopic effect under conditions of wearing 3D eyes, makes
After the naked eye 3D display device, the spectators to wear glasses substantially increase the convenience of viewing 3D image without wearing two secondary eyes.
In naked eye 3D display device, having a kind of is directional backlight naked eye 3D display device, and the directional backlight naked eye 3D display device by sending out in turn
The received light beam of left eye and the received light beam of right eye are out to form 3D effect.
In the prior art, in order to guarantee that left eye and right eye can be accurately received light beam, need viewer in specific position
Viewing, otherwise leads to the problem of picture crosstalk because of malposition；And in practical application, hold between closer adjacent viewpoint
It is also easy to produce cross-interference issue, viewer is caused to be easy to produce the problem of having a dizzy spell in this way, orientation naked eye now is also needed in phase
Biggish blind area is set between adjacent viewpoint, and the region that may be viewed by this results in viewer is smaller.
Summary of the invention
For the prior art there are above-mentioned technical problem, the present invention provides a kind of multiple views orientation naked eye 3D display device, should
Display can watch 3D rendering in compared with multizone, and have the advantages that crosstalk is few.
To achieve the above object, the present invention the following technical schemes are provided:
A kind of multiple views orientation naked eye 3D display device is provided, including being successively aligned the backlight of fitting back to front, LCD is opened
Plate, lenticular lens plate are closed, lenticular lens sheet is fixed in front of the lenticular lens plate, is fitted in front of the lenticular lens sheet
LCD panel；
The LCD switchboard is equipped with several viewpoint units, and several pairs of viewpoint units are along the LCD switchboard
Length direction is arranged successively, and there are spacing between the adjacent viewpoint unit, each viewpoint unit includes a L column LCD cell
With a R column LCD cell, the L column LCD cell is located at left side and projects the received light beam of left eye, the R column LCD cell position
In right side and project the received light beam of right eye；
The lenticular lens sheet is equipped with several convex lenses, and the primary optical axis of each convex lens is perpendicular to the lenticular lens plate
Plate face, and the corresponding light beam for receiving a viewpoint unit of each convex lens；
When projection, the backlight outgoing beam, the light beam is each passed through L column LCD cell and R in the viewpoint unit
The light beam that column LCD cell, the light beam projected from L column LCD cell and R column LCD cell project injects the lenticular lens plate respectively
And the optically focused in the lenticular lens plate, the optically focused that the lenticular lens plate comes out separately are injected on the lenticular lens sheet, institute
It states lenticular lens sheet and the light beam come out from the lenticular lens plate is refracted as refraction light, the refraction light projection to the liquid crystal
Show plate, the refraction light come out from LCD panel intersects and is mapped to left eye and the right eye of spectators separately to form 3D rendering.
In the present embodiment, the backlight includes the backboard and light guide plate being bonded to each other, and the light guide plate is opened with the LCD
Plate fitting is closed, the backboard is black rough backboard.
In the present embodiment, the middle part in the entering light face of both the L column LCD cell and described R column LCD cell is set as tortuous
Face.
In the present embodiment, the zig zag plane area accounts for the 1/3~1/2 of entering light face area.
In the present embodiment, the zig zag plane is the diamond pattern zig zag plane to lower recess.
In the present embodiment, the LCD switchboard is connected with control circuit, the L column on the control circuit control LCD switch
LCD cell and R column LCD cell are opened in turn.
In the present embodiment, the one side of the lenticular lens plate is plane, and another side is outwardly protruded by several
The curved surface of hemisphere face composition, the corresponding light beam for receiving a viewpoint unit of each hemisphere face.
In the present embodiment, the distance between the lenticular lens plate and the lenticular lens sheet are 5~10cm
Beneficial effects of the present invention:
The light beam of L column LCD cell of the invention and the first optically focused in lenticular lens plate of the light beam of R column LCD cell, to mention
The brightness of both the light beam of high L column LCD cell and the light beam of R column LCD cell, the light beam after optically focused are penetrated from lenticular lens plate again
Out, the light beam with the light beam of R column LCD cell of emitted L column LCD cell first intersect and then separate injection, at this point, separately projecting
The light beam of L column LCD cell and the light beam of R column LCD cell inject lenticular lens sheet, lenticular lens sheet is mono- by the L column LCD of separated injection
The light beam of member and the light beam refraction of R column LCD cell are to form refraction light, light beam and the R column LCD cell of the L column LCD cell
Light beam is formed by refraction light investment LCD panel and then the intersection nearby in front of viewer is separately projected, viewer
Left eye and right eye receive the light beam of L column LCD cell and the light beam of R column LCD cell respectively to seeing 3D rendering；Since L is arranged
Then nearby intersection of the light beam of the light beam of LCD cell and R column LCD cell in front of viewer separates injection, this it is avoided that
Light beam beginning to separate more at a distance so that be easy to lead to the problem of with the light beam of adjacent viewpoint it is Chong Die so that generation crosstalk,
Thus more viewpoints can be set in naked eye 3D display device of the invention, have more regional choices to watch figure convenient for viewer
Picture increases the region of viewing.
Detailed description of the invention
Fig. 1 is the section view decomposition intention that a kind of multiple views of the invention orient naked eye 3D display device；
Fig. 2 is the schematic diagram that a kind of multiple views of the invention orient naked eye 3D display general ability portion working condition；
Fig. 3 is the structural schematic diagram of L column LCD cell of the invention.
Appended drawing reference:
Backlight 1, backboard 11, light guide plate 12；LCD switchboard 2, viewpoint unit 21, L column LCD cell 211, R column LCD are mono-
Member 212；Lenticular lens plate 3；Lenticular lens sheet 4, convex lens 41；LCD panel 5；Zig zag plane 6；Control circuit 7；Entering light face 8.
Specific embodiment
Below in conjunction with specific embodiments and drawings, the present invention is described in detail.
Embodiment.
A kind of multiple views of the present embodiment orient naked eye 3D display device, shown in Fig. 2, including successively alignment fitting back to front
Backlight 1, LCD switchboard 2, lenticular lens plate 3, the front of lenticular lens plate 3 is fixed with lenticular lens sheet 4, lenticular lens sheet 4
Front be fitted with LCD panel 5, to form 3D naked eye display.
Shown in Fig. 1, LCD switchboard 2 is equipped with several viewpoint units 21, and several pairs of viewpoint units 21 are along LCD switchboard 2
The length direction of plate face is arranged successively, and there are spacing between adjacent viewpoint unit 2, each viewpoint unit 2 includes a L column LCD
Unit 211 and a R column LCD cell 212.Shown in Fig. 2, L column LCD cell 211 is located at left side and projects the received light beam of left eye
L, R column LCD cell 212 is located at right side and projects the received light beam r of right eye；
Shown in Fig. 1, lenticular lens sheet 4 is equipped with several convex lenses 41, and the primary optical axis of each convex lens 41 is saturating perpendicular to cylinder
The plate face of runner plate 3, shown in Fig. 2, and the corresponding light beam for receiving a viewpoint unit 21 of each convex lens 4；
When projection, shown in Fig. 2,1 outgoing beam of backlight, the light beam is each passed through the L column LCD cell in viewpoint unit 21
211 and R column LCD cell 212, the light beam l projected from L column LCD cell 211 and the light beam r projected from R column LCD cell 212 are injected
Lenticular lens plate 3 and the optically focused in lenticular lens plate 3, to improve the intensity of light beam.Then, the light beam l of lenticular lens plate 3
It is separately injected on lenticular lens sheet 4 with after light beam r optically focused, the light beam l and light beam r that lenticular lens sheet 4 will come out from lenticular lens plate 3
It is refracted as refraction light, the refraction light projection to LCD panel intersects after converging, again from the refraction light of LCD panel out
It is split up into light beam l and light beam r, light beam l is mapped to the left eye of spectators and light beam r is mapped to the right eye of spectators to form 3D rendering.
In the present embodiment, backlight 1 includes the backboard 11 and light guide plate 12 being bonded to each other, light guide plate 12 and LCD switchboard 2
Fitting, the two sides of light guide plate 12 are equipped with LED light bar to emit beam, and backboard 11 is black rough backboard, to be formed uniformly
With the preferable light beam of intensity.
In the present embodiment, shown in Fig. 3, by taking L column LCD cell 211 as an example, the middle part in the entering light face 8 of L column LCD cell 211 is equal
It is set as zig zag plane 6, the light beam due to entering LCD cell is Gaussian beam, and the light intensity in the middle part of Gaussian beam is big and both sides
Light intensity is small, which so that light is uniform, and can will not reduce light for the light refraction at middle part to both sides
The intensity of line on the whole, the entering light face of R column LCD cell 212 are all zig zag plane 8.
In the present embodiment, zig zag plane 6 accounts for the 1/3~1/2 of entering light face, is adapted with the width of Gaussian beam.
In the present embodiment, zig zag plane 6 is the diamond pattern zig zag plane 6 to lower recess, is folded to LCD cell in this way convenient for light.
In the present embodiment, shown in Fig. 1, LCD switchboard 2 is connected with control circuit 7, and control circuit 7 controls LCD switch upper 2
L column LCD cell 211 and R column LCD cell 213 open in turn, to generate left eye and the received light of right eye.
In the present embodiment, shown in Fig. 1, the one side of lenticular lens plate 3 is plane, and another side is by several convexes
The curved surface that hemisphere face 7 out forms, the corresponding light beam for receiving a viewpoint unit 2 of each hemisphere face 7, to determine beam path
Accurate direction.
In the present embodiment, the distance between lenticular lens plate 3 and lenticular lens sheet 4 are 5~10cm, are being seen to adjust light beam
The intersection convergent point of many fronts, further reduces the problem of overlapping between adjacent beams.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (8)
1. a kind of multiple views orient naked eye 3D display device, it is characterized in that: include the backlight for being successively aligned fitting back to front,
LCD switchboard, lenticular lens plate are fixed with lenticular lens sheet, the front of the lenticular lens sheet in front of the lenticular lens plate
It is fitted with LCD panel；
The LCD switchboard is equipped with several viewpoint units, length of several pairs of viewpoint units along the LCD switchboard
Direction is arranged successively, and there are spacing between the adjacent viewpoint unit, each viewpoint unit includes a L column LCD cell and one
A R column LCD cell, the L column LCD cell are located at left side and project the received light beam of left eye, and the R column LCD cell is located at the right side
Side and the injection received light beam of right eye；
The lenticular lens sheet is equipped with several convex lenses, the plate of the primary optical axis of each convex lens perpendicular to the lenticular lens plate
Face, and the corresponding light beam for receiving a viewpoint unit of each convex lens；
When projection, the backlight outgoing beam, the light beam is each passed through L column LCD cell and R column in the viewpoint unit
The light beam that LCD cell, the light beam projected from L column LCD cell and R column LCD cell project injects the lenticular lens plate simultaneously respectively
The optically focused in the lenticular lens plate, the optically focused that the lenticular lens plate comes out separately is injected on the lenticular lens sheet, described
The light beam come out from the lenticular lens plate is refracted as refraction light, the refraction light projection to the liquid crystal display by lenticular lens sheet
Plate, the refraction light come out from LCD panel intersect and are mapped to left eye and the right eye of spectators separately to form 3D rendering.
2. a kind of multiple views according to claim 1 orient naked eye 3D display device, it is characterized in that: the backlight includes phase
The backboard and light guide plate being mutually bonded, the light guide plate are bonded with the LCD switchboard, and the backboard is black rough backboard.
3. a kind of multiple views according to claim 1 orient naked eye 3D display device, it is characterized in that: the L column LCD cell and
The middle part in the entering light face of both R column LCD cells is set as zig zag plane.
4. a kind of multiple views according to claim 3 orient naked eye 3D display device, it is characterized in that: the zig zag plane area accounts for
The 1/3~1/2 of entering light face area.
5. a kind of multiple views according to claim 3 orient naked eye 3D display device, it is characterized in that: the zig zag plane is downward
The diamond pattern zig zag plane of recess.
6. a kind of multiple views according to claim 1 orient naked eye 3D display device, it is characterized in that: the LCD switchboard connects
It is connected to control circuit, the L column LCD cell and R column LCD cell on the control circuit control LCD switch are opened in turn.
7. a kind of multiple views according to claim 1 orient naked eye 3D display device, it is characterized in that: the lenticular lens plate
One side is plane, and another side is the curved surface being made of the hemisphere face that several are outwardly protruded, and each hemisphere face is corresponding to be received
The light beam of one viewpoint unit.
8. a kind of multiple views according to claim 1 orient naked eye 3D display device, it is characterized in that: the lenticular lens plate with
The distance between described lenticular lens sheet is 5~10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910194559.5A CN110045509A (en) | 2019-03-14 | 2019-03-14 | A kind of multiple views orientation naked eye 3D display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910194559.5A CN110045509A (en) | 2019-03-14 | 2019-03-14 | A kind of multiple views orientation naked eye 3D display device |
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| Publication Number | Publication Date |
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| CN110045509A true CN110045509A (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910194559.5A Pending CN110045509A (en) | 2019-03-14 | 2019-03-14 | A kind of multiple views orientation naked eye 3D display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780453A (en) * | 2019-11-19 | 2020-02-11 | 华侨大学 | Multi-view point full-resolution free stereo display screen |
| WO2023160258A1 (en) * | 2022-02-28 | 2023-08-31 | 京东方科技集团股份有限公司 | Light ray modulation element, glasses and 3d display system |
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| CN100420979C (en) * | 2002-08-27 | 2008-09-24 | 日本电气株式会社 | 3D image/2D image shifting display and portable terminal equipment |
| CN201141550Y (en) * | 2007-11-13 | 2008-10-29 | 和欣开发股份有限公司 | Light distribution optical grating plate |
| CN105093543A (en) * | 2015-07-06 | 2015-11-25 | 深圳市华星光电技术有限公司 | 3D display apparatus |
| CN109116571A (en) * | 2017-06-22 | 2019-01-01 | 台达电子工业股份有限公司 | The stereoscopic display device that can uprightly and laterally use |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061179A (en) * | 1996-01-23 | 2000-05-09 | Canon Kabushiki Kaisha | Stereoscopic image display apparatus with two-/three-dimensional image display switching function |
| CN100420979C (en) * | 2002-08-27 | 2008-09-24 | 日本电气株式会社 | 3D image/2D image shifting display and portable terminal equipment |
| CN1916692A (en) * | 2005-07-08 | 2007-02-21 | 三星电子株式会社 | High resolution 2d-3d switchable autostereoscopic display apparatus |
| CN201141550Y (en) * | 2007-11-13 | 2008-10-29 | 和欣开发股份有限公司 | Light distribution optical grating plate |
| CN105093543A (en) * | 2015-07-06 | 2015-11-25 | 深圳市华星光电技术有限公司 | 3D display apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780453A (en) * | 2019-11-19 | 2020-02-11 | 华侨大学 | Multi-view point full-resolution free stereo display screen |
| WO2023160258A1 (en) * | 2022-02-28 | 2023-08-31 | 京东方科技集团股份有限公司 | Light ray modulation element, glasses and 3d display system |
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Application publication date: 20190723 |