CN203054349U - Stereoscopic display device - Google Patents

Stereoscopic display device Download PDF

Info

Publication number
CN203054349U
CN203054349U CN 201220664022 CN201220664022U CN203054349U CN 203054349 U CN203054349 U CN 203054349U CN 201220664022 CN201220664022 CN 201220664022 CN 201220664022 U CN201220664022 U CN 201220664022U CN 203054349 U CN203054349 U CN 203054349U
Authority
CN
China
Prior art keywords
electrode
display device
group
control module
electrically connected
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.)
Withdrawn - After Issue
Application number
CN 201220664022
Other languages
Chinese (zh)
Inventor
刘美鸿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Estar Displaytech Co
Original Assignee
Shenzhen Estar Displaytech Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Estar Displaytech Co filed Critical Shenzhen Estar Displaytech Co
Priority to CN 201220664022 priority Critical patent/CN203054349U/en
Application granted granted Critical
Publication of CN203054349U publication Critical patent/CN203054349U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The utility model provides a stereoscopic display device. The stereoscopic display device comprises a display, a camera used for tracking the position information of human eyes, and a processor electrically connected with the camera and used for generating a control signal according to the position information of human eyes. The display comprises a dynamic grating, and the dynamic grating is electrically connected with the processor and is used to control the positions of the bright and dark strips in the dynamic grating according to the control signal to be changed adaptively along with the positions of the human eyes. By the above mode and according to the stereoscopic display device provided by the utility model, the camera is used to track the position information of the human eyes, and then according to the position information of the human eyes, a control unit enables the positions of the bright and dark strips of the grating to be changed to adapt the different observation positions of the human eyes, thereby realizing a 3D image effect.

Description

3 d display device
Technical field
The utility model relates to the display technique field, particularly relates to a kind of 3 d display device.
Background technology
In the present grating technology, preparing grating well after, the position of grating light and shade striped will be fixed, this has brought inconvenience for our work, especially when utilizing the parallax barrier technology to realize that stereo-picture shows, because the position of grating light and shade striped is uncontrollable, can only limit spectators' eyes and just can watch the 3D rendering effect in certain particular range, has influenced the application of parallax barrier stereo display technique in life.
Therefore, need provide a kind of 3 d display device to solve the problems of the technologies described above.
The utility model content
The utility model mainly provides a kind of 3 d display device, utilize camera to follow the trail of the human eye positional information, and then utilize control module to realize that according to position of human eye information the change of stop position is to adapt to two different observation places of people, the effect that 3D rendering is watched in realization.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is, a kind of 3 d display device is provided, and comprising:
Display;
Camera is arranged on the front end face of display, is used for following the trail of the human eye positional information;
Processor is electrically connected with camera, is used for generating control signal according to position of human eye information;
Wherein, described display comprises dynamic raster, described dynamic raster is electrically connected with processor, described dynamic raster comprises first substrate that is arranged in order setting, dielectric substrate, electrochromic layer and second substrate, described first substrate, dielectric substrate and second substrate are transmitted into the light that is mapped on it, a surface of first substrate is provided with first conductive layer, a surface of second substrate is provided with second conductive layer, described second conductive layer comprises a plurality of second electrodes and is arranged at insulation secret note between adjacent second electrode, described electrochromic layer comprises a plurality of electrochromism sheets identical and that uniformly-spaced arrange and the printing opacity gap between the adjacent electrochromic sheet, second electrode and the corresponding contact one by one of electrochromism sheet, described dynamic raster further comprises control module, control module be used for according to control signal control electrochromism sheet between first conductive layer and each second electrode alive on/off and then make the light and shade fringe position of grating according to two of the people different observation place adaptive changes, not alive electrochromism sheet provides ion to take place painted by dielectric substrate and becomes lighttight dark line on it, and alive electrochromism sheet provides ion to fade by dielectric substrate and becomes the bright line of printing opacity on it.
Wherein, described control module is used for the alive on/off of electrochromism sheet between independent each second electrode of control and first conductive layer.
Wherein, described a plurality of second electrode of uniformly-spaced arranging comprises first group of second electrode and second group of second electrode of alternately arranging, described first group of second electrode comprises that N(wherein, N 〉=2, N is natural number) individual second electrode, described second group of second electrode comprises that M(wherein, M 〉=2, M is natural number) individual second electrode, all the 1st second electrodes are electrically connected to the same output terminal of control module in first group of second electrode, all the 2nd second electrodes are electrically connected to the same output terminal of control module in first group of second electrode, all N second electrodes are electrically connected to the same output terminal of control module in first group of second electrode, and all the 1st second electrodes are electrically connected to the same output terminal of control module in second group of second electrode, all the 2nd second electrodes are electrically connected to the same output terminal of control module in second group of second electrode, all M second electrodes are electrically connected to the same output terminal of control module in second group of second electrode.
Wherein, the width of each described electrochromism sheet is a, and the width in the printing opacity gap between adjacent two electrochromism sheets is b, a 〉=5b.
Wherein, described electrochromism sheet comprises: printable electrochromism printing ink, or electrochomeric films, or electrochomeric glass, or automatically controlled light transmission film.
Wherein, described dielectric substrate comprises: printable electrolyte printing ink.
Wherein, described first conductive layer comprises: printable electrically conducting transparent printing ink, or conductive plastic sheeting, or tin indium oxide ITO electro-conductive glass;
Described second electrode comprises: printable electrically conducting transparent printing ink, or conductive plastic sheeting, or tin indium oxide ITO electro-conductive glass.
The beneficial effects of the utility model are: the situation that is different from prior art, the 3 d display device that the utility model provides utilizes camera to follow the trail of the human eye positional information, and then utilize control module to realize that according to position of human eye information the change of grating light and shade fringe position is to adapt to two different observation places of people, the effect that the realization bore hole is watched 3D rendering.
Description of drawings
Fig. 1 is the easy structure synoptic diagram of an embodiment of 3 d display device of the present utility model;
Fig. 2 is the circuit structure of Fig. 1 Stereo display device and the synoptic diagram of first embodiment that light is propagated;
Fig. 3 is the circuit structure of Fig. 1 Stereo display device and the synoptic diagram of second embodiment that light is propagated;
Fig. 4 is the structural representation of an embodiment of dynamic raster in the 3 d display device of the present utility model;
Fig. 5 is the electrode of first conductive layer of dynamic raster 14 shown in Figure 4 and second conductive layer synoptic diagram of arranging;
Fig. 6 is first kind of circuit connection diagram of dynamic raster 14 shown in Figure 4;
Fig. 7 is second kind of circuit connection diagram of dynamic raster 14 among Fig. 4;
Fig. 8 A-Fig. 8 C is that grating light and shade striped moves with human eye and the synoptic diagram of the example that occurrence positions changes in the 3 d display device of the present utility model.
Embodiment
See also Fig. 1-Fig. 3, Fig. 1 is the easy structure synoptic diagram of an embodiment of 3 d display device of the present utility model, Fig. 2 is the circuit structure of Fig. 1 Stereo display device and the synoptic diagram of first embodiment that light is propagated, and Fig. 3 is the circuit structure of Fig. 1 Stereo display device and the synoptic diagram of second embodiment that light is propagated.As shown in Figure 1,3 d display device 10 of the present utility model comprises: display 11, camera 12 and processor 13(diagram are seen Fig. 2).
As shown in Figure 2, camera 12 is arranged on the front end face of display 11, is used for following the trail of the human eye positional information; Processor 13 is electrically connected with camera 12, and processor 13 receives the position of human eye information of camera 12 transmissions and generates control signal according to position of human eye information; Display 11 comprises dynamic raster 14, dynamic raster 14 is electrically connected with processor 13, dynamic raster 14 receives described control signal and controls the position of light and shade striped to adapt to the position of human eye according to control signal, make and to reenter on the display pixel that is mapped to display 11 after the printing opacity gap transmission of light via dynamic raster 14 incide dynamic raster 14, and then make left eye pixel image light incide people's left eye, right eye pixel image light incides people's right eye, because there is parallax in the image that people's eyes receive, thereby the right and left eyes image is through the effect of the synthetic 3D rendering of human brain.See also Fig. 3, as shown in Figure 3, the difference of Fig. 3 and Fig. 2 is: light at first incides on the display pixel of display 11, make left eye pixel image light incide people's left eye again via the printing opacity gap of dynamic raster 14, make right eye pixel image light incide people's right eye again after the transmission via the printing opacity gap of dynamic raster 14.
Wherein, Fig. 2 and dynamic raster 14 shown in Figure 3 further comprise control module 146, control module 146 be used for according to the control signal that receives from processor 13 control electrochromism sheet between first conductive layer 142 and each second electrode 1441 alive on/off and then make the light and shade fringe position of grating according to two of the people different observation place adaptive changes, adding on it does not have the electrochromism of voltage sheet to provide ion to take place painted by dielectric substrate 147 and becomes lighttight dark line, and alive electrochromism sheet provides ion to fade by dielectric substrate 147 and becomes the bright line of printing opacity on it.
See also Fig. 4, Fig. 4 is the structural representation of an embodiment of dynamic raster in the 3 d display device of the present utility model.As shown in Figure 4, the dynamic raster 14 of present embodiment comprises: first substrate 141, electrochromic layer 143, second substrate 145, control module 146(are not shown) and dielectric substrate 147, described first substrate 141, dielectric substrate 147 and second substrate 145 are transmitted into the light that is mapped on it.Wherein, on the direction of edge perpendicular to the display surface of display 11, first substrate 141, dielectric substrate 147, electrochromic layer 143, second substrate 145 are arranged in order setting.
Please further referring to Fig. 4, a surface of first substrate 141 is provided with first conductive layer 142, the structural drawing of first conductive layer 142 is shown in Fig. 5 (Fig. 5 be the electrode of first conductive layer of dynamic raster 14 shown in Figure 4 and second conductive layer arrange synoptic diagram), and first conductive layer 142 conducts electricity entirely; The structural drawing that a surface of second substrate 145 is provided with second conductive layer, 144, the first conductive layers 142 as shown in Figure 5, second conductive layer 144 comprises a plurality of second electrodes 1441 and is arranged at insulation secret note between adjacent second electrode; Wherein, electrochromic layer 143 comprises a plurality of electrochromism sheets 1431 identical and that uniformly-spaced arrange and the printing opacity gap between the adjacent electrochromic sheet, second electrode 1441 and electrochromism sheet 1431 corresponding contact one by one.
See also Fig. 6, Fig. 6 is first kind of circuit connection diagram of dynamic raster 14 shown in Figure 4.As shown in Figure 6, first conductive layer 142 is electrically connected with control module 146, and each second electrode 1441 is connected on the control module 146 by lead independently respectively.When control module 146 is controlled corresponding switch closure independently according to control signal, make win conductive layer 142 and the corresponding second electrode 1441(and respective switch at second electrode 1441 on the same circuit) between alive electrochromism sheet 1431 provide ion to fade by dielectric substrate 147 and become the bright line of printing opacity, make win conductive layer 142 and the corresponding second electrode 1441(and respective switch at second electrode 1441 on the same circuit) between not alive electrochromism sheet 1431 provide ion to take place painted by dielectric substrate 147 and become lighttight dark line, and then make electrochromic layer 143 form light and dark slit grating.Because the position of the light and shade striped of grating determines by control signal, therefore, the position final decision of human eye grating light and shade line position adaptive change takes place thereupon.
See also Fig. 7, Fig. 7 is second kind of circuit connection diagram of dynamic raster 14 among Fig. 4.As shown in Figure 7, in a preferred embodiment of the utility model dynamic raster, second electrode of described a plurality of equidistant arrangements comprises first group of second electrode and second group of second electrode of alternately arranging, described first group of second electrode comprises that N(wherein, N 〉=2, N is natural number) individual second electrode 1441, described second group of second electrode comprises that M(wherein, M 〉=2, M is natural number) individual second electrode 1441, all the 1st second electrode 1441 is electrically connected in first group of second electrode, all the 2nd second electrode 1441 is electrically connected in first group of second electrode, all N bar second electrodes 1441 are electrically connected in first group of second electrode, and all the 1st second electrode 1441 is electrically connected in second group of second electrode, all the 2nd second electrode 1441 is electrically connected in second group of second electrode 1441, all M bar second electrodes 1441 are electrically connected in second group of second electrode.Particularly, can be referring to shown in Figure 7, for example M and N are 5, one of control module 146 control voltage output end can be controlled between a plurality of second electrodes 1441 and first conductive layer 142 alive break-make on the electrochromism sheet 1431 simultaneously, and then the change of realization realization grating light and shade fringe position.
In embodiment of the present utility model, the width of each electrochromism sheet 143 is a, and the width in the printing opacity gap between adjacent two electrochromism sheets 143 is b, wherein, and a 〉=5b.In the specific design of dynamic raster of the present utility model, preferred a>>5b.
Wherein, the electrochromism sheet 143 that the utility model adopts comprises: printable electrochromism printing ink, or electrochomeric films, or electrochomeric glass, or automatically controlled light transmission film; The dielectric substrate that the utility model adopts comprises: printable electrolyte printing ink; First conductive layer that the utility model adopts comprises: printable electrically conducting transparent printing ink, or conductive plastic sheeting, or tin indium oxide ITO electro-conductive glass; Second electrode comprises: printable electrically conducting transparent printing ink, or conductive plastic sheeting, or tin indium oxide ITO electro-conductive glass.
The positional information that 3 d display device 10 of the present utility model utilizes camera 12 to follow the trail of human eye changes according to the change of position of human eye to realize dynamic raster 14, and then extensive angle realizes the 3D Glassless effect of 3 d display device 10 of the present utility model, specifically see also Fig. 8 A-Fig. 8 C, Fig. 8 A-Fig. 8 C is that grating light and shade striped moves with human eye and a example schematic that occurrence positions changes in the 3 d display device of the present utility model.Among Fig. 8 A-Fig. 8 C, the one-period width of the light and shade striped of grating equals electrochromism sheet that 1-6 identifies and the width summation in the printing opacity gap between the electrochromism sheet.
Shown in Fig. 8 A, camera 12 picks up human eye and is on display screen and the grating center line, generate control signal after the positional information of processor 13 acceptance and processing human eye, control module 146 receives and controls the 1 and 6 alive on/off on the electrochromism sheet that identify according to control signal, make the position of light and shade striped of grating of the present utility model adapt to the residing position of human eye, and then make human eye can watch the image of the left and right sides form that display screen shows to form the 3D rendering effect.Particularly, as shown in Fig. 8 A, the electrochromism sheet of control module 146 controls 1 and 6 signs is added with voltage, make the electrochromism sheets of 1 and 6 signs provide ion to fade and become the bright line of printing opacity at dielectric substrate, the electrochromism sheet of control module 146 control 2-5 signs is not added with voltage, make the electrochromism sheet of 2-5 sign provide ion to take place painted and become lighttight dark line at dielectric substrate, and then make the eyes that are in the people on display screen and the grating center line finally can experience the 3D rendering effect.Certainly, in concrete application of the present utility model, the periodic width of light and shade striped is not limited to K1 or the pointed grating periodic width of K2 among Fig. 8 A-Fig. 8 C.
Shown in Fig. 8 B, when human eye moves right position shown in Fig. 8 B, under the control of control module 146, K1 or K2 move right certain for d, be specially the light and shade striped general performance of the one-period among Fig. 8 A for moving right apart from d, 1 and the 2 electrochromism sheets that identify show as bright fringe, and the electrochromism sheet that 4-6 identifies shows as dark fringe.Certainly, when human eye further moved right position that another determines, under the control of control module 146, K1 or K2 were with respect to Fig. 8 A certain distance that further moves right.Certainly along with human eye continue move right, K1 or K2 are with respect to Fig. 8 A bigger distance that moves right, this need decide according to the concrete distance that human eye moves.
Shown in Fig. 8 C, when human eye is moved to the left, K1 or K2 correspondingly also and then are moved to the left certain distance left, the light and shade striped integral body that is specially the one-period among Fig. 8 A is moved to the left certain distance, the electrochromism sheet that makes 5-6 identify shows as the bright fringe of printing opacity, and the electrochromism sheet that 1-4 identifies shows as lighttight dark fringe.Wherein, among Fig. 8 A-Fig. 8 C, in the dynamic raster light and shade striped of one-period to the right or the concrete distance that moves right decide on the position of human eye.
By the way, 3 d display device of the present utility model utilizes camera to follow the trail of the human eye positional information, and then utilize control module to realize that according to position of human eye information the change of stop position is to adapt to two different observation places of people, the effect that 3D rendering is watched in realization.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims (7)

1. 3 d display device, described 3 d display device comprises:
Display;
Camera is arranged on the front end face of display, is used for following the trail of the human eye positional information;
Processor is electrically connected with camera, is used for generating control signal according to position of human eye information;
Wherein, described display comprises dynamic raster, described dynamic raster is electrically connected with processor, described dynamic raster comprises first substrate that is arranged in order setting, dielectric substrate, electrochromic layer and second substrate, described first substrate, dielectric substrate and second substrate are transmitted into the light that is mapped on it, a surface of first substrate is provided with first conductive layer, a surface of second substrate is provided with second conductive layer, described second conductive layer comprises a plurality of second electrodes and is arranged at insulation secret note between adjacent second electrode, described electrochromic layer comprises a plurality of electrochromism sheets identical and that uniformly-spaced arrange and the printing opacity gap between the adjacent electrochromic sheet, second electrode and the corresponding contact one by one of electrochromism sheet, described dynamic raster further comprises control module, control module be used for according to control signal control electrochromism sheet between first conductive layer and each second electrode alive on/off and then make the light and shade fringe position of grating according to two of the people different observation place adaptive changes, not alive electrochromism sheet provides ion to take place painted by dielectric substrate and becomes lighttight dark line on it, and alive electrochromism sheet provides ion to fade by dielectric substrate and becomes the bright line of printing opacity on it.
2. 3 d display device according to claim 1 is characterized in that, described control module is used for the alive on/off of electrochromism sheet between independent each second electrode of control and first conductive layer.
3. 3 d display device according to claim 1, it is characterized in that, described a plurality of second electrode of uniformly-spaced arranging comprises first group of second electrode and second group of second electrode of alternately arranging, described first group of second electrode comprises that N(wherein, N 〉=2, N is natural number) individual second electrode, described second group of second electrode comprises that M(wherein, M 〉=2, M is natural number) individual second electrode, all the 1st second electrodes are electrically connected to the same output terminal of control module in first group of second electrode, all the 2nd second electrodes are electrically connected to the same output terminal of control module in first group of second electrode, all N second electrodes are electrically connected to the same output terminal of control module in first group of second electrode, and all the 1st second electrodes are electrically connected to the same output terminal of control module in second group of second electrode, all the 2nd second electrodes are electrically connected to the same output terminal of control module in second group of second electrode, all M second electrodes are electrically connected to the same output terminal of control module in second group of second electrode.
4. 3 d display device according to claim 1 is characterized in that, the width of each described electrochromism sheet is a, and the width in the printing opacity gap between adjacent two electrochromism sheets is b, a 〉=5b.
5. 3 d display device according to claim 1 is characterized in that, described electrochromism sheet comprises: printable electrochromism printing ink, or electrochomeric films, or electrochomeric glass, or automatically controlled light transmission film.
6. 3 d display device according to claim 1 is characterized in that, described dielectric substrate comprises: printable electrolyte printing ink.
7. 3 d display device according to claim 1 is characterized in that, described first conductive layer comprises: printable electrically conducting transparent printing ink, or conductive plastic sheeting, or tin indium oxide ITO electro-conductive glass;
Described second electrode comprises: printable electrically conducting transparent printing ink, or conductive plastic sheeting, or tin indium oxide ITO electro-conductive glass.
CN 201220664022 2012-12-05 2012-12-05 Stereoscopic display device Withdrawn - After Issue CN203054349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220664022 CN203054349U (en) 2012-12-05 2012-12-05 Stereoscopic display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220664022 CN203054349U (en) 2012-12-05 2012-12-05 Stereoscopic display device

Publications (1)

Publication Number Publication Date
CN203054349U true CN203054349U (en) 2013-07-10

Family

ID=48737285

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220664022 Withdrawn - After Issue CN203054349U (en) 2012-12-05 2012-12-05 Stereoscopic display device

Country Status (1)

Country Link
CN (1) CN203054349U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207456A (en) * 2012-12-05 2013-07-17 深圳市亿思达显示科技有限公司 Three-dimensional display device
US9715119B2 (en) 2014-07-09 2017-07-25 Boe Technology Group Co., Ltd. Electrochromic grating, method for producing the same and 3D display device
CN107346040A (en) * 2016-05-06 2017-11-14 深圳超多维光电子有限公司 The determination method, apparatus and electronic equipment of the grating parameter of bore hole 3D display equipment
CN107346041A (en) * 2016-05-06 2017-11-14 深圳超多维光电子有限公司 The determination method, apparatus and electronic equipment of the grating parameter of bore hole 3D display equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103207456A (en) * 2012-12-05 2013-07-17 深圳市亿思达显示科技有限公司 Three-dimensional display device
CN103207456B (en) * 2012-12-05 2014-08-20 深圳市亿思达显示科技有限公司 Three-dimensional display device
US9715119B2 (en) 2014-07-09 2017-07-25 Boe Technology Group Co., Ltd. Electrochromic grating, method for producing the same and 3D display device
CN107346040A (en) * 2016-05-06 2017-11-14 深圳超多维光电子有限公司 The determination method, apparatus and electronic equipment of the grating parameter of bore hole 3D display equipment
CN107346041A (en) * 2016-05-06 2017-11-14 深圳超多维光电子有限公司 The determination method, apparatus and electronic equipment of the grating parameter of bore hole 3D display equipment
CN107346040B (en) * 2016-05-06 2019-12-20 深圳超多维科技有限公司 Method and device for determining grating parameters of naked eye 3D display equipment and electronic equipment

Similar Documents

Publication Publication Date Title
CN103207456B (en) Three-dimensional display device
CN102436101B (en) Liquid crystal lens grating and three-dimensional display device
US9563096B2 (en) 3D display apparatus and dynamic grating
CN102540558B (en) 2D/3D (Two-dimensional/three-dimensional) switchable auto-stereoscopic display device based on blue phase liquid crystal lens
CN103207457B (en) Three-dimensional display device
US9188787B2 (en) Touch grating, display device and method of realizing stereoscopic display and touch functions
CN103209332A (en) Three-dimensional display device
CN103676166B (en) 3-D image display device
CN203054349U (en) Stereoscopic display device
CN104007585A (en) Liquid crystal lens electronic grating and naked eye stereoscopic display device
CN102749769A (en) 2D/3D switchable free stereo display device based on double-layer liquid crystal lenses
CN104932110B (en) Display device
CN104597681A (en) Electronic grating and holographic display device
CN102436100A (en) Liquid crystal slit grating and stereo display device
CN103698926A (en) Display device and manufacturing method for same
CN102789061B (en) Parallax baffle and display device
CN203909440U (en) Liquid-crystal lens electronic grating and naked-eye three-dimensional display device
CN202631856U (en) Stereoscopic display device
CN203606600U (en) Naked-eye 3D display
CN203086615U (en) Stereoscopic displaying apparatus
CN202522822U (en) Liquid crystal grating, three dimensional (3D) display component and 3D display device
EP3040759A1 (en) 3D display apparatus and dynamic grating
CN203054350U (en) Stereoscopic display device
CN202631855U (en) Stereoscopic display device
CN104181720A (en) Naked-eye 3D (Three-Dimensional) display

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130710

Effective date of abandoning: 20140820

RGAV Abandon patent right to avoid regrant