CN204028472U - 3 D image display device - Google Patents
3 D image display device Download PDFInfo
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- CN204028472U CN204028472U CN201420387105.2U CN201420387105U CN204028472U CN 204028472 U CN204028472 U CN 204028472U CN 201420387105 U CN201420387105 U CN 201420387105U CN 204028472 U CN204028472 U CN 204028472U
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- angle prism
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- lens combination
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Abstract
The utility model provides a kind of 3 D image display device on the one hand, comprise housing and be installed on one group of optical system in described housing, optical system comprises the first image display panel, the second image display panel, a plane completely reflecting mirror, the first optical amplifier lens combination, the second optical amplifier lens combination, a retroeflection screen, the first right-angle prism and the second right-angle prism.The light path of optical system is: the optical information that the first image display panel sends is reflexed to the first optical amplifier lens combination by plane completely reflecting mirror, the first right-angle prism is transmitted through through the first optical amplifier lens combination, reflex to retroeflection by the first right-angle prism to shield, reflex to the second right-angle prism through retroeflection screen, then be transmitted into human eye by the second right-angle prism; The optical information that second image display panel sends is transmitted through the first right-angle prism by the second optical amplifier lens combination, reflexes to retroeflection shield by the first right-angle prism, reflexes to the second right-angle prism, then be transmitted into human eye by the second right-angle prism through retroeflection screen.
Description
Technical field
The utility model relates to optical imagery display technique field, particularly relates to a kind of 3 D image display device.
Background technology
Flourish along with 3D stereo display technique, 3D stereo display technique is affecting revolutionaryly and is changing communication, the Working and life styles of people, stereo display technique reduces the real three-dimensional world of the mankind, by the development trend of the Fashion of Future video science and technology by image science and technology.Since 2010, increasingly mature with the global 3D stereo display technique industrial environment that 3D TV and 3D video display are representative, 3D three-dimensional display is compared with traditional monitor, the enormous impact that its maximum feature is people can be allowed to experience truly by 3D three-dimensional display stereoscopic vision brings and ultimate attainment shock, the stereoscopic sensation power thus showing image weighs an important indicator of stereo display properties of product quality.
But, current most of 3D three-dimensional display adopts single image source, display frame divides left-right format, then the lateral resolution of monocular will reduce half, even if overcome the restriction of conventional display system aperture diaphragm to field angle, through the amplification of optical amplification system, binocular one-screen system is made to increase visual field, still process video format to adapt to eyes needs in application process because of single screen image source, causing image resolution ratio to reduce.By the restriction of human eye limiting resolution, being also restricted depending on enlargement ratio of optical system.Meanwhile, apply the image source of two miniscopes as right and left eyes in binocular 3D three-dimensional display, by the restriction of prior art level, the resolution of miniscope can not significantly improve.For lightweight, the 3D three-dimensional display that volume is little, because optical texture is simple, number of optical elements is few, and Zoom lens system diameter and thickness limits visual field, affects the feeling of immersion of the effective fruit of 3D stereo-picture and user greatly.Therefore, when not changing image source resolution, how effectively to increase visual field, reducing aberration, just becoming important technological problems urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide the 3 D image display device that one has " miniaturization " and " showing greatly " characteristic concurrently, can allow user be connected in a wired or wireless fashion whenever and wherever possible mobile phone, panel computer and other have on the electronic equipment of playing function, enjoy large-size screen monitors stereoscopic visual effects.
To achieve these goals, the utility model provides a kind of 3 D image display device on the one hand, comprise housing and be installed on one group of optical system in described housing, optical system comprises the first image display panel, the second image display panel, a plane completely reflecting mirror, the first optical amplifier lens combination, the second optical amplifier lens combination, a retroeflection screen, the first right-angle prism and the second right-angle prism, and the normal of the first image display panel is mutually vertical with the normal of the second image display panel.The light path of optical system is: the optical information that the first image display panel sends is reflexed to the first optical amplifier lens combination by plane completely reflecting mirror, the first right-angle prism is transmitted through through the first optical amplifier lens combination, reflex to retroeflection by the first right-angle prism to shield, reflex to the second right-angle prism through retroeflection screen, then be transmitted into human eye by the second right-angle prism; The optical information that second image display panel sends is transmitted through the first right-angle prism by the second optical amplifier lens combination, reflexes to retroeflection shield by the first right-angle prism, reflexes to the second right-angle prism, then be transmitted into human eye by the second right-angle prism through retroeflection screen.When the image of two image display panel displays is completely the same, user is it is seen that 2D plane picture, and when the image of two image display panel displays has certain potential difference, user is it is seen that 3D stereo-picture.
Preferably, the normal of the first image display panel is vertical with the optical axis of the first optical amplifier lens combination; The normal of the second image display panel is parallel with the optical axis of the second optical amplifier lens combination.
Preferably, the normal of plane completely reflecting mirror and the normal of the first image display panel are the angle of 30 degree ~ 60 degree.
Preferably, the one side of nearly first image display panel of plane completely reflecting mirror is coated with total reflection film.
Preferably, the inclined-plane of the first right-angle prism and/or the second right-angle prism is coated with part reflective semitransparent film.
The utility model provides a kind of 3 D image display device on the other hand, comprise housing and be installed on one group of optical system in housing, optical system comprises the first image display panel, the second image display panel, the first plane completely reflecting mirror, the second plane completely reflecting mirror, the first optical amplifier lens combination, the second optical amplifier lens combination, a retroeflection screen, the first right-angle prism and the second right-angle prism, and the normal of the first image display panel and the normal of the second image display panel are parallel to each other; The light path of optical system is: the optical information that the first image display panel sends is reflexed to the first optical amplifier lens combination by the first plane completely reflecting mirror, the first right-angle prism is transmitted through through the first optical amplifier lens combination, reflex to retroeflection by the first right-angle prism to shield, reflex to the second right-angle prism through retroeflection screen, then be transmitted into human eye by the second right-angle prism; The optical information that second image display panel sends is reflexed to the second optical amplifier lens combination by the second plane completely reflecting mirror, the first right-angle prism is transmitted through through the second optical amplifier lens combination, reflex to retroeflection by the first right-angle prism to shield, reflex to the second right-angle prism through retroeflection screen, then be transmitted into human eye by the second right-angle prism.When the image of two image display panel displays is completely the same, user is it is seen that 2D plane picture, and when the image of two image display panel displays has certain potential difference, user is it is seen that 3D stereo-picture.
Preferably, the normal of the first image display panel is vertical with the optical axis of the first optical amplifier lens combination; The normal of the second image display panel is vertical with the optical axis of the second optical amplifier lens combination.
Preferably, the normal of the first plane completely reflecting mirror and the normal of the first image display panel are the angle of 30 degree ~ 60 degree; The normal of the second plane completely reflecting mirror and the normal of the second image display panel are the angle of 30 degree ~ 60 degree.
Preferably, the one side of nearly first image display panel of the first plane completely reflecting mirror is coated with total reflection film; The one side of nearly second image display panel of the second plane completely reflecting mirror is coated with total reflection film.
Preferably, the inclined-plane of the first right-angle prism and/or the second right-angle prism is coated with part reflective semitransparent film.
The utility model 3 D image display device structure is simple, and design is light and handy, is convenient to industrialization and produces.Adopt above-mentioned 3 D image display device, make double screen 3 D image display device space layout compact, without overlapping increase visual field, do not limit by diaphragm, realize double screen Large visual angle stereo display effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings:
Fig. 1 shows the structural representation of the 3 D image display device according to the utility model embodiment;
Fig. 2 shows optical arrangement's schematic diagram of a kind of 3 D image display device according to the utility model embodiment;
Fig. 3 shows optical arrangement's schematic diagram of the another kind of 3 D image display device according to the utility model embodiment;
Fig. 4 shows the 3 D image display device two right-angle prism gummed schematic diagram according to the utility model embodiment.
Embodiment
In order to more clearly understand the purpose of this utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can be combined with each other.
Set forth a lot of detail in the following description so that fully understand the utility model; but; this is only embodiments more of the present utility model; the utility model can also adopt other to be different from other modes described here and implement; therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
Embodiment one
Fig. 1 shows the structural representation of a kind of 3 D image display device according to the utility model embodiment.
The utility model embodiment 3 D image display device, comprise housing and be installed on one group of optical system in described housing, optical system comprises the first image display panel, the second image display panel, a plane completely reflecting mirror, the first optical amplifier lens combination, the second optical amplifier lens combination, a retroeflection screen, the first right-angle prism and the second right-angle prism, and the normal of the first image display panel is mutually vertical with the normal of the second image display panel.
When adopting the utility model 3 D image display device viewing image frame, the optical information that first image display panel sends is reflexed to the first optical amplifier lens combination by plane completely reflecting mirror, the first right-angle prism is transmitted through through the first optical amplifier lens combination, reflex to retroeflection by the first right-angle prism to shield, reflex to the second right-angle prism through retroeflection screen, then be transmitted into human eye by the second right-angle prism; The optical information that second image display panel sends is transmitted through the first right-angle prism by the second optical amplifier lens combination, reflexes to retroeflection shield by the first right-angle prism, reflexes to the second right-angle prism, then be transmitted into human eye by the second right-angle prism through retroeflection screen.When the image of two image display panel displays is completely the same, user is it is seen that 2D plane picture, and when the image of two image display panel displays has certain potential difference, user is it is seen that 3D stereo-picture.
The utility model embodiment 3 D image display device also comprises peripheral hardware link block, and (peripheral hardware link block comprises wired connection interface and/or wireless connections module, accompanying drawing does not illustrate), peripheral hardware link block is by wired or wireless mode, described 3 D image display device is connected with the electronic equipment with playing function, obtain and receive information to be shown, the electronic equipment with playing function can be televisor, mobile phone, panel computer etc.
The utility model embodiment 3 D image display device also comprises supply module, and supply module can be designed to by carrying powered battery, when also can be designed as by wired mode connection external electronic device, is powered to it by the power supply of external electronic device.
The utility model embodiment 3 D image display device also comprises memory module, memory module can be designed to the data storage cell comprising built-in storage chip or removable data storage card (SD card, TF card, USB flash disk etc.), and for reading the data-reading unit of view data in data storage cell, data-reading unit is connected with image display panel, for the view data of reading is shown in image display panel.
In the utility model embodiment 3 D image display device, the first optical lens group and the second optical lens group are installed in the middle part of housing 1, respectively with housing 1 both sides by bonding connection.Other component parts of described optical system, centered by the first optical lens group and the second optical lens group, are installed on the both sides up and down of housing 1 respectively.Wherein, first image display panel, the second image display panel and plane completely reflecting mirror are installed on the described inner side of housing 1, wherein, the first image display panel and the second image display panel are by the upper and lower flanging assembling of locating groove, and plane completely reflecting mirror is by the upper and lower flanging assembling of locating groove; Retroeflection screen, the first right-angle prism and the second right-angle prism are installed on the opposite side of described housing 1, and wherein, the first right-angle prism and the second right-angle prism are by locating groove flanging up and down assembling, and retroeflection screen is by the upper and lower flanging assembling of locating groove.Because two image display panel placed adjacent are in enclosure interior the same side, Liang Ge image display panel space layout is compact, without overlapping part, realize while high-quality presents 3 D visual image function, the design of 3 D image display device is more flexible, volume can small volume and less weight more, convenient and practical.
Embodiment two
Fig. 2 shows optical arrangement's schematic diagram of a kind of 3 D image display device according to the utility model embodiment.
In the utility model embodiment 3 D image display device, optical system comprises image display panel 21, image display panel 22, plane completely reflecting mirror 31, optical amplifier lens combination 41, optical amplifier lens combination 42, retroeflection screen the 6, first right-angle prism 51 and the second right-angle prism 52, and the normal of image display panel 21 is mutually vertical with the normal of image display panel 22.
In the utility model embodiment 3 D image display device, optical system exists respectively with two light paths that image display panel 21 and image display panel 22 are image source, wherein a light path is: the optical information that the first image display panel 21 sends is reflexed to the first optical amplifier lens combination 41 by plane completely reflecting mirror 31, the first right-angle prism 51 is transmitted through through the first optical amplifier lens combination 41, reflex to retroeflection by the first right-angle prism 51 and shield 6, reflex to the second right-angle prism 52 through retroeflection screen, then be transmitted into human eye by the second right-angle prism 52; The optical information that second image display panel 22 sends is transmitted through the first right-angle prism 51 by the second optical amplifier lens combination 42, reflex to retroeflection by the first right-angle prism 51 and shield 6, reflex to the second right-angle prism 52 through retroeflection screen, then be transmitted into human eye by the second right-angle prism 52.In order to prevent veiling glare from constantly turning back in whole optical system, interference image quality, in the present embodiment, preferably arranges one piece of extinction sheet respectively or arrange one deck light-absorption layer on the inwall of housing both sides, being sponged by useless veiling glare in enclosure interior both sides.Inner walls arranges light-absorption layer, and the simplest method sprays one deck black coating in inner walls.
Embodiment three
Fig. 1 shows the structural representation of the another kind of 3 D image display device according to the utility model embodiment.
Another 3 D image display device of the utility model embodiment, comprise housing and be installed on one group of optical system in housing, optical system comprises the first image display panel, the second image display panel, the first plane completely reflecting mirror, the second plane completely reflecting mirror, the first optical amplifier lens combination, the second optical amplifier lens combination, a retroeflection screen, the first right-angle prism and the second right-angle prism, and the normal of the first image display panel and the normal of the second image display panel are parallel to each other.
When adopting the utility model 3 D image display device viewing image frame, the optical information that first image display panel sends is reflexed to the first optical amplifier lens combination by the first plane completely reflecting mirror, the first right-angle prism is transmitted through through the first optical amplifier lens combination, reflex to retroeflection by the first right-angle prism to shield, reflex to the second right-angle prism through retroeflection screen, then be transmitted into human eye by the second right-angle prism; The optical information that second image display panel sends is reflexed to the second optical amplifier lens combination by the second plane completely reflecting mirror, the first right-angle prism is transmitted through through the second optical amplifier lens combination, reflex to retroeflection by the first right-angle prism to shield, reflex to the second right-angle prism through retroeflection screen, then be transmitted into human eye by the second right-angle prism.When the image of two image display panel displays is completely the same, user is it is seen that 2D plane picture, and when the image of two image display panel displays has certain potential difference, user is it is seen that 3D stereo-picture.
The utility model embodiment 3 D image display device also comprises peripheral hardware link block, and (peripheral hardware link block comprises wired connection interface and/or wireless connections module, accompanying drawing does not illustrate), peripheral hardware link block is by wired or wireless mode, described 3 D image display device is connected with the electronic equipment with playing function, obtain and receive information to be shown, the electronic equipment with playing function can be televisor, mobile phone, panel computer etc.
The utility model embodiment 3 D image display device also comprises supply module, and supply module can be designed to by carrying powered battery, when also can be designed as by wired mode connection external electronic device, is powered to it by the power supply of external electronic device.
The utility model embodiment 3 D image display device also comprises memory module, memory module can be designed to the data storage cell comprising built-in storage chip or removable data storage card (SD card, TF card, USB flash disk etc.), and for reading the data-reading unit of view data in data storage cell, data-reading unit is connected with image display panel, for the view data of reading is shown in image display panel.
In the utility model embodiment 3 D image display device, the first optical lens group and the second optical lens group are installed in the middle part of housing 1, respectively with housing 1 both sides by bonding connection.Other component parts of described optical system, centered by the first optical lens group and the second optical lens group, are installed on the both sides up and down of housing 1 respectively.Wherein, first image display panel, the second image display panel, the first plane completely reflecting mirror and the second plane completely reflecting mirror are installed on the described inner side of housing 1, wherein, first image display panel and the second image display panel are by the upper and lower flanging assembling of locating groove, and the first plane completely reflecting mirror and the second plane completely reflecting mirror are by the upper and lower flanging assembling of locating groove; Retroeflection screen, the first right-angle prism and the second right-angle prism are installed on the inner opposite side of described housing 1, and wherein, the first right-angle prism and the second right-angle prism are by locating groove flanging up and down assembling, and retroeflection screen is by the upper and lower flanging assembling of locating groove.Because two image display panel placed adjacent are in enclosure interior the same side, Liang Ge image display panel space layout is compact, without overlapping part, realize while high-quality presents 3 D visual image function, the design of 3 D image display device is more flexible, volume can small volume and less weight more, convenient and practical.
Embodiment four
Fig. 3 shows optical arrangement's schematic diagram of the another kind of 3 D image display device according to the utility model embodiment.
In the utility model embodiment 3 D image display device, optical system comprises image display panel 21, image display panel 22, plane completely reflecting mirror 31, plane completely reflecting mirror 32, optical amplifier lens combination 41, optical amplifier lens combination 42, retroeflection screen the 6, first right-angle prism 51 and the second right-angle prism 52, and the normal of image display panel 21 and the normal of image display panel 22 are parallel to each other.
In the utility model embodiment 3 D image display device, optical system exists respectively with two light paths that image display panel 21 and image display panel 22 are image source, wherein a light path is: the optical information that the first image display panel 21 sends is reflexed to the first optical amplifier lens combination 41 by plane completely reflecting mirror 31, the first right-angle prism 51 is transmitted through through the first optical amplifier lens combination 41, reflex to retroeflection by the first right-angle prism 51 and shield 6, reflex to the second right-angle prism 52 through retroeflection screen, then be transmitted into human eye by the second right-angle prism 52; The optical information that second image display panel 22 sends is reflexed to the second optical amplifier lens combination 42 by plane completely reflecting mirror 32, the first right-angle prism 51 is transmitted through through the second optical amplifier lens combination 42, reflex to retroeflection by the first right-angle prism 51 and shield 6, reflex to the second right-angle prism 52 through retroeflection screen 6, then be transmitted into human eye by the second right-angle prism 52.In order to prevent veiling glare from constantly turning back in whole optical system, interference image quality, in the present embodiment, preferably arranges one piece of extinction sheet respectively or arrange one deck light-absorption layer on the inwall of housing both sides, being sponged by useless veiling glare in enclosure interior both sides.Inner walls arranges light-absorption layer, and the simplest method sprays one deck black coating in inner walls.
In all embodiments of the present utility model, plane completely reflecting mirror can be coated with the right-angle prism replacement of total reflection film by inclined-plane.The normal angle of the normal of plane completely reflecting mirror or the right-angle prism inclined-plane normal and corresponding image display panel that are coated with total reflection film is respectively in 30 degree ~ 60 degree (preferably 45 degree).
In another preferred embodiment, be right-angle prism 51 glued together and right-angle prism 52 in Fig. 4, glued together by right-angle prism 51 and the respective inclined-plane of right-angle prism 52,6 reflected light information to the second right-angle prisms 52 are shielded in retroeflection, be transmitted into human eye 7 by the second right-angle prism 52 again, in two right-angle prisms 51,52, the inclined-plane of at least one right-angle prism is coated with part reflective semitransparent film.
In another preferred embodiment, the nearly eye end of the utility model 3 D image display device is also provided with diopter regulator, diopter regulator can make the diopter of optical system adjustable within the specific limits, normally can use this 3 D image display device to adapt to the user of diopter within the scope of this when not wearing spectacles.
In another preferred embodiment, the optical amplifier lens combination of the utility model 3 D image display device is individually fixed in lens barrel structure by flexible support part, and the distance between two groups of optical amplifier lens combination can regulate according to the size of user's eyes pupil spacing.
In the utility model embodiment 3 D image display device, Fig. 1 is the agent structure of 3 D image display device, during use, this 3 D image display device can hold to eyes by both hands, also can be connected and fixed described 3 D image display device by wearing telescopic band, helmet support, cap etc. and be worn on (accompanying drawing does not illustrate) in account.
Again state, all features disclosed in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this instructions (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
The utility model is not limited to aforesaid embodiment.The utility model can expand to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (10)
1. a 3 D image display device, is characterized in that, described 3 D image display device comprises housing and is installed on one group of optical system in described housing, wherein,
Described optical system comprises the first image display panel, the second image display panel, a plane completely reflecting mirror, the first optical amplifier lens combination, the second optical amplifier lens combination, a retroeflection screen, the first right-angle prism and the second right-angle prism, and the normal of described first image display panel is mutually vertical with the normal of described second image display panel;
The light path of described optical system is: the optical information that described first image display panel sends is reflexed to described first optical amplifier lens combination by described plane completely reflecting mirror, described first right-angle prism is transmitted through through described first optical amplifier lens combination, reflex to described retroeflection by described first right-angle prism to shield, reflex to described second right-angle prism through described retroeflection screen, then be transmitted into human eye by described second right-angle prism; The optical information that described second image display panel sends is transmitted through described first right angle corner angle by described second optical amplifier lens combination, reflex to described retroeflection by described first right-angle prism to shield, reflex to described second right-angle prism through described retroeflection screen, then be transmitted into human eye by described second right-angle prism.
2. 3 D image display device according to claim 1, is characterized in that, the normal of described first image display panel is vertical with the optical axis of described first optical amplifier lens combination; The normal of described second image display panel is parallel with the optical axis of described second optical amplifier lens combination.
3. 3 D image display device according to claim 1, is characterized in that, the normal of described plane completely reflecting mirror and the normal of described first image display panel are the angle of 30 degree ~ 60 degree.
4. the 3 D image display device according to any one of claims 1 to 3, is characterized in that, the one side of closely described first image display screen of described plane completely reflecting mirror is coated with total reflection film.
5. the 3 D image display device according to any one of claims 1 to 3, is characterized in that, the inclined-plane of described first right-angle prism and/or described second right-angle prism is coated with part reflective semitransparent film.
6. a 3 D image display device, is characterized in that, described 3 D image display device comprises housing and is installed on one group of optical system in described housing, wherein,
Described optical system comprises the first image display panel, the second image display panel, the first plane completely reflecting mirror, the second plane completely reflecting mirror, the first optical amplifier lens combination, the second optical amplifier lens combination, a retroeflection screen, the first right-angle prism and the second right-angle prism, and the normal of described first image display panel and the normal of described second image display panel are parallel to each other;
The light path of described optical system is: the optical information that described first image display panel sends is reflexed to described first optical amplifier lens combination by described first plane completely reflecting mirror, described first right-angle prism is transmitted through through described first optical amplifier lens combination, reflex to described retroeflection by described first right-angle prism to shield, reflex to described second right-angle prism through described retroeflection screen, then be transmitted into human eye by described second right-angle prism; The optical information that described second image display panel sends is reflexed to described second optical amplifier lens combination by described second plane completely reflecting mirror, described first right-angle prism is transmitted through through described second optical amplifier lens combination, reflex to described retroeflection by described first right-angle prism to shield, reflex to described second right-angle prism through described retroeflection screen, then be transmitted into human eye by described second right-angle prism.
7. 3 D image display device according to claim 6, is characterized in that, the normal of described first image display panel is vertical with the optical axis of described first optical amplifier lens combination; The normal of described second image display panel is vertical with the optical axis of described second optical amplifier lens combination.
8. 3 D image display device according to claim 6, is characterized in that, the normal of described first plane completely reflecting mirror and the normal of described first image display panel are the angle of 30 degree ~ 60 degree; The normal of described second plane completely reflecting mirror and the normal of described second image display panel are the angle of 30 degree ~ 60 degree.
9. the 3 D image display device according to any one of claim 6 to 8, is characterized in that, the one side of closely described first image display panel of described first plane completely reflecting mirror is coated with total reflection film; The one side of closely described second image display panel of described second plane completely reflecting mirror is coated with total reflection film.
10. the 3 D image display device according to any one of claim 6 to 8, is characterized in that, the inclined-plane of described first right-angle prism and/or described second right-angle prism is coated with part reflective semitransparent film.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387105.2U CN204028472U (en) | 2014-07-11 | 2014-07-11 | 3 D image display device |
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| CN201420387105.2U CN204028472U (en) | 2014-07-11 | 2014-07-11 | 3 D image display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107710052A (en) * | 2015-06-12 | 2018-02-16 | 日本电石工业株式会社 | Image display device |
| CN113341583A (en) * | 2021-07-07 | 2021-09-03 | 上海三间维科技有限公司 | Space stereo display equipment |
-
2014
- 2014-07-11 CN CN201420387105.2U patent/CN204028472U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107710052A (en) * | 2015-06-12 | 2018-02-16 | 日本电石工业株式会社 | Image display device |
| CN113341583A (en) * | 2021-07-07 | 2021-09-03 | 上海三间维科技有限公司 | Space stereo display equipment |
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