CN105807434A - Naked eye 3D display watching area indicating method - Google Patents

Naked eye 3D display watching area indicating method Download PDF

Info

Publication number
CN105807434A
CN105807434A CN201610128510.6A CN201610128510A CN105807434A CN 105807434 A CN105807434 A CN 105807434A CN 201610128510 A CN201610128510 A CN 201610128510A CN 105807434 A CN105807434 A CN 105807434A
Authority
CN
China
Prior art keywords
display
viewing areas
light source
directivity light
bore hole
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.)
Granted
Application number
CN201610128510.6A
Other languages
Chinese (zh)
Other versions
CN105807434B (en
Inventor
陈剑峰
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.)
ZHANGJIAGANG FREE TRADE ZONE KANGDE FILM INDUSTRY CO., LTD.
Original Assignee
BEIJING KANGDEXIN FUNCTION MATERIAL Co Ltd
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 BEIJING KANGDEXIN FUNCTION MATERIAL Co Ltd filed Critical BEIJING KANGDEXIN FUNCTION MATERIAL Co Ltd
Publication of CN105807434A publication Critical patent/CN105807434A/en
Application granted granted Critical
Publication of CN105807434B publication Critical patent/CN105807434B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20Optical 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
    • G02B30/26Optical 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

Abstract

The invention discloses a naked eye 3D display watching area indicating method. The method includes a 3D display and an indication light source device. A watching area is arranged in front of the 3D display. The indication light source device is mounted in a specific area of the 3D display or a specific space of the watching area. Through light beam combination of the indication light source, an optimal watching area is formed on the ground in front of the display through projection. No matter one or more persons stand in front of the display, the method is applicable and is also convenient for promotion. In order to reduce interference to users, the indication light source can be controlled manually and the indication light source can be switched on in an interrupted manner. The method is suitable for different environments. Automatic adaption can be realized in the optimal watching distance and watching area and 3D effect images can be displayed automatically before eyes of audience in the watching area of the LED naked eye 3D display screen. The audience can move at any time and the applicability is good.

Description

A kind of bore hole 3D shows viewing areas based reminding method
Technical field
The invention belongs to bore hole 3D Display Technique field, be specifically related to a kind of bore hole 3D and show viewing areas based reminding method.
Background technology
Bore hole 3D technology can allow people need not wear 3D glasses can also find out 3D effect from screen.Principle is have employed similar human eye " sight equation barrier " technology, controls right and left eyes and see different images, then utilize the visual imaging theory of human eye, the 3D depth effect of formation.There are the products such as bore hole 3D TV, mobile phone, PAD on the market at present.
Prior art, bore hole formula 3D can be divided into optical barrier type, lens pillar technology and point to light source three kinds.When viewing, spectators need and display device keeps certain position just can see the image (3D effect is bigger by angle effects) of 3D effect.
Optical barrier type 3D technology is also referred to as disparity barrier or parallax barrier technology, but adopts the product image resolution of this kind of technology and brightness to decline.The method that realizes of optical barrier type 3D technology is to use switching Liquid Crystal screen, polarizing coating and high molecule liquid crystal layer, utilize liquid crystal layer and polarizing coating to produce vertical stripes that a series of direction is 90 °.These stripeds are wide tens microns, are the formation of vertical slice grid pattern by their light, are referred to as " parallax barrier ".Under stereoscopic display mode, it should when the image seen by left eye is shown on liquid crystal display screen, opaque striped can block right eye;In like manner, it should when the image seen by right eye is shown on liquid crystal display screen, opaque striped can block left eye, by by the viewable pictures of left eye and right eye separately, making onlooker see 3D image.
Lens pillar (LenticularLens) technology is also referred to as biconvex lens or microtrabeculae lens 3D technology, and its maximum advantage is that brightness is unaffected.The principle of lens pillar 3D technology is to add last layer lens pillar before liquid crystal display, the image plane making liquid crystal display screen is positioned on the focal plane of lens, so the pixel of the image below each post lens is divided into several sub-pixel, and such lens just can project each sub-pixel in different directions.Then eyes watch display from different angles, just see different sub-pixels.But the gap between pixel also can be exaggerated, therefore can not superposition sub-pixel simply.Allowing post lens is not parallel with pixel column, but has a certain degree.Each group of sub-pixel thus can be made to repeat projection vision area, rather than only project one group of anaglyph.
Point to light source (DirectionalBacklight) technology
Need to be arranged in pairs or groups two groups of LED, coordinates rapid-action LCD and driving method, allows the right and left eyes that 3D content enters beholder in (sequential) mode that sorts exchange image generation parallax, and then allows human eye experience 3D 3-D effect.
Prior art shortcoming:
By the bore hole 3D effect that above several technical schemes realize, the problem that there is an effective viewing areas, namely people is before display device, and only being in part precalculated position just can see normal stereo-picture.Beyond precalculated position, left image and right image are reversed or image is separated along left direction and right direction inadequately, thus watching the 3D rendering of distortion.
The CN2012101413623 " 3D display system " that Korean Institute of Science and Technology applies in special secondary school office.It is the positional information being obtained observer by camera in real time, and composograph will be shown over the display, point out whether observer is currently at best viewing areas by the mark of different colours.Having drawbacks in that 1, needing configuration to possess the photographic head of 3D identification ability of the method, adds hardware cost;2, user is before viewing 3D content, it is necessary to first open identification software, checks whether to be in suitable observation area, watches after adjusting position again;3, when playing different 3D contents, best viewing areas may be varied from, and this method cannot accomplish automatic adaptation, wants manual operation and identification every time.
CN201310345359 that Shenzhen Aoto Electronics Co., Ltd. applies in special secondary school office " LED naked-eye 3D viewing system and increase the installation method of its best viewing areas ", allow auditorium be arranged in a plane and parallel with this LED naked-eye 3D display, and to make the eyes of all spectators and the distance of LED naked-eye 3D display be viewing ratio.Limit the movement of spectators, cinema can only be useful in, this public arena of recreation ground, it is impossible to use in other environment such as family.
The CN2015104503112 " a kind of bore hole 3D player method based on tracing of human eye and system " that Shanghai Weizhou Microelectronic Technology Co., Ltd. applies in special secondary school office is also point coordinates and eyes interpupillary distance in the eyes in the image with face adopting additional camera to photograph;And determine the bore hole 3D vision area at the eyes place of face;Look if there is inverse, then exchange the left-eye view in bore hole 3D rendering to be played and right-eye view;Play the bore hole 3D rendering after exchanging view.The method disadvantageously, can only for single viewing time, be adjusted operation, when many people watch, occur conflict (someone faces, have people inverse depending on) when just cannot solve.
Summary of the invention
For problems of the prior art, it is an object of the invention to provide a kind of bore hole 3D and show viewing areas based reminding method.
The technical scheme that the present invention takes is:
A kind of bore hole 3D shows viewing areas based reminding method, including 3D display and directivity light supply apparatus, 3D display front is provided with viewing areas, described directivity light supply apparatus is arranged on the specific region of 3D display or the particular space of viewing areas, when display plays 3D content, by the light combinations of directivity light source, ground in front of the display projects best viewing areas.
Further, described directivity light supply apparatus can be replaced projection arrangement or can light emitting floor.
Further, described directivity light source is set to visible red or laser, in viewing areas, the light combinations of directivity light source is shaped to the pattern form that human eye may identify which, for instance arrow-shaped, footprint shape, circle, square or tessellate, but does not do pattern class and limit.
Further, described directivity light source is manually turned on and off, and directivity light source is closed after determining in best viewing areas position;When best viewing areas position changes, then reopen directivity light source.
Further, for the 3D display apparatus of public territory, described directivity light source selects intermittent lighting mode.
Further, described directivity light source is lighted once in 1~5 minute, continues to be automatically switched off for 5 seconds.
Further, the top of specific region respectively display of described 3D display, bottom or corner, directivity light supply apparatus is arranged on frame or the corner location of display, and emit beam forward instruction from display, it is achieved region indicates.
Further, the particular space of described viewing areas is the top of viewing areas, and directivity light supply apparatus installs roof or the furred ceiling of viewing areas in front of the display, and emit beam instruction from top to bottom, it is achieved region indicates.
Further, it is arranged on the directivity light supply apparatus of roof or furred ceiling, 3D display and directivity light supply apparatus and passes through wired or wirelessly communicate, by the transmission of corresponding parameter information in the past.
Further, in physical device is installed, according to screen size, setting height(from bottom), 3D Display Technique, 3D show content difference, determine the scope of viewing ratio and viewing areas, generate pre-configured table, it is stored in the display device of 3D display, by the corresponding parameter item of menu setecting, so that it is determined that the display effect of directivity light source.
Further, described 3D display being provided with prompting mark, prompting mark adopts voice or text prompt, while directivity light source igniting, guides user to move.
Further, described prompting traffic sign placement is voice or text prompt, namely " please come into red area, it is thus achieved that best viewing effect ".
The invention have the benefit that
The present invention, when display carries out the broadcasting of 3D content, according to currently employed 3D technology, forms real 3D picture at free space, it is determined that best viewing areas.By being placed on directivity light source (visible red/laser) or the projection arrangement at display edge, best viewing scope is projected before 3D display, thus controlling the state of disparity barrier and configuring 3D rendering, directivity light source is set to visible red or laser, what adopt in light display packing is that direct light shows, light source utilization rate is high, picture is apparent truly, color is more rich, to spectators to point out the most intuitively.Directivity light source can also be replaced with projector equipment, thus realizing better pointing out effect.
Particular space at the specific region of 3D display or viewing areas disposes directivity light supply apparatus, when playing 3D content, light combinations by directivity light source, ground in front of the display projects best viewing areas, the display of three dimensional image signals is carried out according to viewing areas, ensure that beholder can effectively watch the image with 3-D effect, as long as such spectators move to best viewing areas, it is possible to see the most perfect 3D content.No matter being that single or many people stand in front of the display, the method can be adopted to process, the suitability is extensive.
In viewing 3D process, in order to reduce the interference for user, it is possible to manual-lock directivity light source, only when replaying 3D content or the difference due to 3D content, cause when best viewing areas position changes, more again put bright light source.For being deployed in store, the equipment of the public territorys such as museum, it is also possible to select intermittent lighting, within such as 1 minute/5 minutes, light once, continue to be automatically switched off for 5 seconds, play the effect of prompting, guiding spectators.While directivity light source igniting, it is possible to provide sound/character prompting " red area please be come into, it is thus achieved that best viewing effect " on screen and guide user to move, make user enter effective 3D viewing area and watch the image of comparatively ideal 3-D effect.
In physical device is installed, according to screen size, setting height(from bottom), 3D Display Technique, 3D shows the difference of content, determine the scope of viewing ratio and viewing areas, generate pre-configured table, it is stored in the display device of 3D display, by the corresponding parameter item of menu setecting, so that it is determined that the display effect of directivity light source, in the scope of viewing ratio and viewing areas, automatic adaptation can be accomplished, the eyes making spectators automatically present the image with 3-D effect with LED naked-eye 3D display screen in the scope of viewing areas, spectators can move at any time, not only it is useful in cinema's viewing, and be suitable in other environment such as this public arena of recreation ground and family and use, it is easy to promote.
Accompanying drawing explanation
Fig. 1 is the structural representation of frame/corner location that directivity light supply apparatus is arranged on display in the present invention.
Fig. 2 is the structural representation that in the present invention, directivity light supply apparatus installs the roof/furred ceiling of viewing areas in front of the display.
Fig. 3 is that the ground of viewing areas in front of the display in the present invention installs can the structural representation of light emitting floor.
Detailed description of the invention
nullAs shown in Figure 1,A kind of bore hole 3D shows viewing areas based reminding method,Including 3D display and directivity light supply apparatus,Directivity light source is set to visible red or laser,In viewing areas, the light combinations of directivity light source is shaped to the pattern form that human eye may identify which,Such as arrow-shaped、Footprint shape、Circular、Square or tessellate,But do not do pattern class to limit,Directivity light supply apparatus can be replaced projection arrangement or can light emitting floor,3D display front is provided with viewing areas,Described directivity light supply apparatus is arranged on the specific region of 3D display or the particular space of viewing areas,When display plays 3D content,By being placed on directivity light source (visible red/laser) or the projection arrangement at display edge,Realize the light combinations of directivity light source,Ground before 3D display projects best viewing areas,To spectators to point out the most intuitively.
Embodiment 1
The top of the specific region of 3D display respectively display, bottom or corner, directivity light supply apparatus is arranged on frame or the corner location of display, and emit beam forward instruction from display, it is achieved region indicates;As it is shown in figure 1, directivity light supply apparatus is arranged on the frame/corner location of display, emit beam forward from display, it is achieved region indicates.
Embodiment 2
The particular space of viewing areas is the top of viewing areas, directivity light supply apparatus installs roof or the furred ceiling of viewing areas in front of the display, 3D display and directivity light supply apparatus pass through wired or wirelessly communicate, by the transmission of corresponding parameter information in the past, it is arranged on the directivity light supply apparatus of roof or furred ceiling, emit beam instruction from top to bottom, it is achieved region indicates.As in figure 2 it is shown, directivity light supply apparatus installs the roof/furred ceiling of viewing areas in front of the display, carry out light instruction from top to bottom.As long as such spectators move to best viewing areas, it is possible to see the most perfect 3D content.No matter it is that single or many people stand in front of the display, the method can be adopted to process.
Embodiment 3
The particular space of viewing areas is the top of viewing areas, being provided with checkerboard type in viewing areas can light emitting floor, the pattern form that human eye may identify which can be set to by light emitting floor, such as arrow-shaped, footprint shape, circle, square or tessellate, but do not do pattern class to limit, as it is shown on figure 3, tessellate can be set to light emitting floor, carrying out light instruction on different chessboards, the checkerboard type in viewing areas can light emitting floor display instruction light district.As long as such spectators move to best viewing areas, it is possible to see the most perfect 3D content.No matter it is that single or many people stand in front of the display, the method can be adopted to process.
In viewing areas, the light combinations of directivity light source is shaped to the pattern form that human eye may identify which, for instance arrow-shaped, footprint shape, circle, square or tessellate, but does not do pattern class and limit, it is simple to guide user to enter best viewing areas more intuitively.
Directivity light source is manually turned on and off, and directivity light source is closed after determining in best viewing areas position;When best viewing areas position changes, then reopen directivity light source.In viewing 3D process, in order to reduce the interference for user, it is possible to manual-lock directivity light source, only when replaying 3D content or the difference due to 3D content, cause when best viewing areas position changes, more again put bright light source.
3D display apparatus for public territory, especially store it is deployed in, the equipment of the public territorys such as museum, described directivity light source selects intermittent lighting mode, such as, directivity light source is lighted once in 1~5 minute, continues to be automatically switched off for 5 seconds, play the effect of prompting, guiding spectators, reduce again the light interference for user simultaneously.
According to screen size (S), setting height(from bottom) (H), 3D Display Technique (T), 3D shows the difference (C) of content, and the scope of viewing ratio and viewing areas would also vary from, in the production process of 3D display, need to carry out the checking of various combination and effect confirmation in advance, generating pre-configured table, storage in the display device, is exemplified below:
When physical device is installed, by the corresponding parameter item of menu setecting, so that it is determined that the display effect of directivity light source.If being placed on the directivity light source/projector equipment on roof, in addition it is also necessary to 3D display and light source/projector equipment pass through wired or wirelessly communicate, by the transmission of corresponding parameter information in the past.
Being provided with prompting mark on 3D display, prompting mark adopts voice or text prompt, while directivity light source igniting, user is guided to move, described prompting traffic sign placement is voice or text prompt, namely " please come into red area, it is thus achieved that best viewing effect ".
Based on currently playing 3D content, show viewing area dynamic reminding adaptively, current 3D plays content from natural views to Animal World or in the handoff procedure of personage's animation, the light combinations occurrence dynamics change that directivity light supply apparatus sends, reaffirm best viewing areas, while switching, directivity light source continues to light 5-10 second, makes user have the corresponding time to move in best viewing areas.
The above is not limitation of the present invention; it is noted that, for those skilled in the art; under the premise without departing from essential scope of the present invention, it is also possible to make some changes, remodeling, interpolation or replacement, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (10)

1. a bore hole 3D shows viewing areas based reminding method, it is characterized in that, including 3D display and directivity light supply apparatus, 3D display front is provided with viewing areas, described directivity light supply apparatus is arranged on the specific region of 3D display or the particular space of viewing areas, when display plays 3D content, by the light combinations of directivity light source, ground in front of the display projects best viewing areas.
2. a kind of bore hole 3D shows viewing areas based reminding method according to claim 1, it is characterised in that described directivity light supply apparatus can be replaced projection arrangement or can light emitting floor.
3. a kind of bore hole 3D shows viewing areas based reminding method according to claim 1, it is characterized in that, described directivity light source is set to visible red or laser, in viewing areas, the light combinations of directivity light source is shaped to the pattern form that human eye may identify which, such as arrow-shaped, footprint shape, circle, square or tessellate, but do not do pattern class and limit.
4. a kind of bore hole 3D according to claim 1 or claim 2 shows viewing areas based reminding method, it is characterised in that described directivity light source is manually turned on and off, and directivity light source is closed after determining in best viewing areas position;When best viewing areas position changes, then reopen directivity light source.
5. a kind of bore hole 3D according to claim 1 or claim 2 shows viewing areas based reminding method, it is characterised in that for the 3D display apparatus of public territory, described directivity light source selects intermittent lighting mode.
6. a kind of bore hole 3D shows viewing areas based reminding method according to claim 1, it is characterized in that, the top of specific region respectively display of described 3D display, bottom or corner, directivity light supply apparatus is arranged on frame or the corner location of display, emit beam forward instruction from display, it is achieved region indicates.
7. a kind of bore hole 3D shows viewing areas based reminding method according to claim 1, it is characterized in that, the particular space of described viewing areas is the top of viewing areas, directivity light supply apparatus installs roof or the furred ceiling of viewing areas in front of the display, emit beam instruction from top to bottom, it is achieved region indicates.
8. according to claim 1,2 or 7, a kind of bore hole 3D shows viewing areas based reminding method, it is characterized in that, it is arranged on the directivity light supply apparatus of roof or furred ceiling, 3D display and directivity light supply apparatus pass through wired or wirelessly communicate, by the transmission of corresponding parameter information in the past.
9. a kind of bore hole 3D shows viewing areas based reminding method according to claim 1, it is characterized in that, in physical device is installed, according to screen size, setting height(from bottom), 3D Display Technique, 3D show content difference, determine the scope of viewing ratio and viewing areas, generate pre-configured table, be stored in the display device of 3D display, by the corresponding parameter item of menu setecting, so that it is determined that the display effect of directivity light source;Based on currently playing 3D content, show viewing area dynamic reminding adaptively.
10. a kind of bore hole 3D shows viewing areas based reminding method according to claim 1, it is characterised in that being provided with prompting mark on described 3D display, prompting mark adopts voice or text prompt, while directivity light source igniting, guides user to move.
CN201610128510.6A 2015-12-31 2016-03-08 A kind of bore hole 3D display viewing areas based reminding method Active CN105807434B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2015110260828 2015-12-31
CN201511026082 2015-12-31

Publications (2)

Publication Number Publication Date
CN105807434A true CN105807434A (en) 2016-07-27
CN105807434B CN105807434B (en) 2018-01-23

Family

ID=56467771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610128510.6A Active CN105807434B (en) 2015-12-31 2016-03-08 A kind of bore hole 3D display viewing areas based reminding method

Country Status (1)

Country Link
CN (1) CN105807434B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108279774A (en) * 2018-01-16 2018-07-13 广东小天才科技有限公司 Method, apparatus, smart machine, system and the storage medium of region labeling
CN112887701A (en) * 2021-01-28 2021-06-01 深圳市迈特瑞光电科技有限公司 Naked eye 3D display method and equipment thereof
CN115035825A (en) * 2022-05-31 2022-09-09 中国第一汽车股份有限公司 Device for displaying naked eye 3D image, method, equipment and medium for displaying 3D pattern

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435919A (en) * 2008-10-21 2009-05-20 北京超多维科技有限公司 Indicating type stereo display device
JP2010113225A (en) * 2008-11-07 2010-05-20 Hitachi Ltd Naked eye stereoscopic viewing system
KR20120070362A (en) * 2010-12-21 2012-06-29 엘지디스플레이 주식회사 Stereoscopic 3d display device and method of driving the same
CN103139592A (en) * 2011-11-23 2013-06-05 韩国科学技术研究院 3d display system
CN105072431A (en) * 2015-07-28 2015-11-18 上海玮舟微电子科技有限公司 Glasses-free 3D playing method and glasses-free 3D playing system based on human eye tracking

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435919A (en) * 2008-10-21 2009-05-20 北京超多维科技有限公司 Indicating type stereo display device
JP2010113225A (en) * 2008-11-07 2010-05-20 Hitachi Ltd Naked eye stereoscopic viewing system
KR20120070362A (en) * 2010-12-21 2012-06-29 엘지디스플레이 주식회사 Stereoscopic 3d display device and method of driving the same
CN103139592A (en) * 2011-11-23 2013-06-05 韩国科学技术研究院 3d display system
CN105072431A (en) * 2015-07-28 2015-11-18 上海玮舟微电子科技有限公司 Glasses-free 3D playing method and glasses-free 3D playing system based on human eye tracking

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108279774A (en) * 2018-01-16 2018-07-13 广东小天才科技有限公司 Method, apparatus, smart machine, system and the storage medium of region labeling
CN108279774B (en) * 2018-01-16 2021-12-10 广东小天才科技有限公司 Method, device, intelligent equipment, system and storage medium for region calibration
CN112887701A (en) * 2021-01-28 2021-06-01 深圳市迈特瑞光电科技有限公司 Naked eye 3D display method and equipment thereof
CN112887701B (en) * 2021-01-28 2021-09-28 深圳市迈特瑞光电科技有限公司 Naked eye 3D display method and equipment thereof
CN115035825A (en) * 2022-05-31 2022-09-09 中国第一汽车股份有限公司 Device for displaying naked eye 3D image, method, equipment and medium for displaying 3D pattern

Also Published As

Publication number Publication date
CN105807434B (en) 2018-01-23

Similar Documents

Publication Publication Date Title
US9712810B2 (en) Tracked automultiscopic 3D tabletop display
US8646917B2 (en) Three dimensional display with multiplane image display elements
US20120057006A1 (en) Autostereoscopic display system and method
US7938540B2 (en) Autostereoscopic projection system
US8976323B2 (en) Switching dual layer display with independent layer content and a dynamic mask
US6252707B1 (en) Systems for three-dimensional viewing and projection
US20110157330A1 (en) 2d/3d projection system
US8836755B2 (en) Two dimensional media combiner for creating three dimensional displays
CN103513438A (en) Multi-view naked eye three-dimensional display system and display method thereof
US11314086B2 (en) Panoramic, multiplane, and transparent collimated display system
Yoshida et al. Light-field generation by several screen types for glasses-free tabletop 3D display
CN102466906A (en) Rotatably-displaying stereoscopic display
US9967554B2 (en) Multi-viewer autostereoscopic tabletop display with dynamic parallax barrier and directional backlight
CN105807434B (en) A kind of bore hole 3D display viewing areas based reminding method
RU2653560C1 (en) Holographic projector-b
US11073703B2 (en) Touchable and 360-degree playable holographic display
WO2010095486A1 (en) Three-dimensional display device
US8717425B2 (en) System for stereoscopically viewing motion pictures
US11226493B2 (en) Display system for producing daylight-visible holographic or floating 3D imagery
RU2664781C1 (en) Device for forming a stereoscopic image in three-dimensional space with real objects
CN105652582A (en) Multi-perspective naked eye three-dimensional projection technique
US8994791B2 (en) Apparatus and method for displaying three-dimensional images
WO2010098159A1 (en) Stereoscopic display device
CN204925517U (en) Total mark formation of image record and playback system
Brar Head Tracked Multi User Autostereoscopic 3D Display Investigations

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200123

Address after: 215600 west side of Taiwan Road, Zhangjiagang Free Trade Zone, Suzhou City, Jiangsu Province, south side of Hexin chemical

Patentee after: ZHANGJIAGANG FREE TRADE ZONE KANGDE FILM INDUSTRY CO., LTD.

Address before: 102299, 26 Zhenxing Road, Beijing, Changping District

Patentee before: BEIJING KANGDEXIN FUNCTION MATERIAL CO., LTD.

TR01 Transfer of patent right