CN204515244U - Optical amplifier combined lens, wear display optical system and equipment - Google Patents
Optical amplifier combined lens, wear display optical system and equipment Download PDFInfo
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- CN204515244U CN204515244U CN201520130502.6U CN201520130502U CN204515244U CN 204515244 U CN204515244 U CN 204515244U CN 201520130502 U CN201520130502 U CN 201520130502U CN 204515244 U CN204515244 U CN 204515244U
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Abstract
The utility model discloses a kind of optical amplifier combined lens, comprise the focusing thin optical element of a group switching centre hollow out and the convex lens of one group of band transparent plate shirt rim or combined convex, two are superimposed together, and the bossing focusing on thin optical element central void region and convex lens or combined convex closely cooperates.Accordingly, what the utility model also openly applied this optical amplifier combined lens wears display optical system and wear-type virtual reality display device.The utility model adopts conventional lenses and the combination focusing on thin optical element, can ensure center image quality, expand again the fringe field of view of human eye simultaneously, enhance the feeling of immersion of user; Owing to focusing on the use of thin optical element, greatly reducing the weight of wear-type virtual reality display device, alleviating weight to wearing the sense of discomfort caused.
Description
Technical field
The utility model relates to optical field, particularly relates to the optical amplifier combined lens being applied to and wearing on display device, and wears display optical system and wear-type virtual reality display device with this optical amplifier combined lens.
Background technology
The optical amplification element of current wear-type virtual reality display system all adopts conventional lenses, as spherical lens, non-spherical lens or optical lens with free curved surface, by the restriction of optical processing technology and optical material, the bore of the optical loupes group in display system can do smaller usually (if the weight and volume that bore does large optical system all can significantly increase), user is exaggerated the bore restriction of mirror group by the visual field that optical loupes group can be observed, the visual field of magnifier group seems very little relative to the visual field under human eye state of nature, so the visual impact that the image display system of limited view brings to human eye and feeling of immersion will be greatly affected.Ensureing that under the prerequisite that helmet volume is enough little, weight is enough light, how realizing wear-type virtual reality display system Large visual angle becomes problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of optical amplifier combined lens, and wear display optical system and wear-type virtual reality display device with this optical amplifier combined lens, solve the visual field and small product size that existing wear-type virtual reality display system uses conventional lenses to cause and the problem that weight can not be taken into account.
To achieve these goals, the utility model provides a kind of optical amplifier combined lens, use in wear-type virtual reality display device, described optical amplifier combined lens comprises the focusing thin optical element of a group switching centre hollow out and the convex lens of one group of band transparent plate shirt rim or combined convex, convex lens or the combined convex of described focusing thin optical element and described band transparent plate shirt rim are superimposed together, and the bossing focusing on thin optical element central void region and convex lens or combined convex closely cooperates.
In one embodiment, when the convex lens of described focusing thin optical element and described band transparent plate shirt rim or combined convex are superimposed together, the shirt rim of convex lens or combined convex is with focusing thin optical componentry or overlap completely.
In one embodiment, the overlap joint edge that described focusing thin optical element inner diameter band sinks, overlap joint is along matching with the shirt rim of convex lens or combined convex.
Preferably, described convex lens are spherical lens or non-spherical lens or optical lens with free curved surface; Described focusing thin optical element is Fresnel Lenses or Fresnel zone plate or binary optical elements.
In one embodiment, described convex lens surface is carved with for achromatic lines.
In one embodiment, the focal length of described convex lens or combined convex and the focus difference focused between thin optical element are less than 10 millimeters.
Preferably, focus on thin optical element to be combined by optical veneering mode with the convex lens or combined convex being with transparent plate shirt rim.
Accordingly, the utility model also provides one to wear display optical system, comprise image display source and optical loupes group, the optical information of image display source display, the projection virtual image after optical loupes group is amplified is received by human eye, and optical loupes group comprises the above-mentioned optical amplifier combined lens of at least a slice.
In one embodiment, described optical loupes group also comprises one or more pieces and focuses on thin optical element, focus on thin optical element and be positioned at optical amplifier combined lens away from human eye one end, the optical information of image display source display first through focusing on thin optical element, then injects human eye through optical amplifier combined lens.
In one embodiment, described optical loupes group also comprises one or more pieces convex lens, and convex lens are positioned at optical amplifier combined lens away from human eye one end, and the optical information of image display source display first through convex lens, then injects human eye through optical amplifier combined lens.
Accordingly, the utility model also provides a kind of wear-type virtual reality display device, comprise one group and or two groups of rights above-mentioned wear display optical system.
Compared with prior art, the utility model has following beneficial effect:
1. the utility model optical amplifier combined lens, adopt conventional lenses and the combination focusing on thin optical element, apply to, on wear-type virtual reality display device, center image quality can be ensured, expand again the fringe field of view of human eye simultaneously, enhance the feeling of immersion of user;
2., owing to focusing on the use of thin optical element, greatly reducing the weight of wear-type virtual reality display device, alleviating weight to wearing the sense of discomfort caused.
If 3. by the common focusing thin optical combination of elements not with the convex system lens in shirt rim and center hollow out, be easy to deflection occurs, dislocation etc. affects the problem of optical amplifier combined lens precision, the utility model adopts the convex lens of band shirt rim and focuses on the superimposed of thin optical element, effectively can reduce the two in conjunction with difficulty, improve the optical amplifier combined lens percentage of A-class goods.
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 is a kind of STRUCTURE DECOMPOSITION schematic diagram of the utility model embodiment optical amplifier combined lens;
Fig. 2 is each assembly cross-section illustration intention of Fig. 1;
Fig. 3 be Fig. 1 textural association good after optical amplifier time combined lens schematic diagram;
Fig. 4 is another STRUCTURE DECOMPOSITION schematic diagram of the utility model embodiment optical amplifier combined lens;
Fig. 5 be Fig. 4 textural association good after optical amplifier time combined lens schematic diagram;
Fig. 6 is another structural representation of the utility model embodiment optical amplifier combined lens primary mirror;
Fig. 7 is the secondary mirror structural representation of corresponding diagram 4 primary mirror;
Fig. 8 (a), (b) are the element schematic of the utility model embodiment optical amplifier combined lens in index path;
Fig. 9 is that the utility model wears display optical system embodiment 1 structural representation;
Figure 10 is the optical parametric mark schematic diagram of optical amplifier combined lens central area and fringe region in Fig. 9 and Figure 14;
Figure 11 is that the utility model wears display optical system embodiment 2 structural representation;
Figure 12 is that the utility model wears display optical system embodiment 3 structural representation;
Figure 13 is the optical parametric mark schematic diagram of optical amplifier combined lens central area and fringe region in Figure 12;
Figure 14 is that the utility model wears display optical system embodiment 4 structural representation;
Figure 15 is the parameter mark schematic diagram of convex lens 4 in Figure 14;
Figure 16 is that the utility model wears display optical system embodiment 5 structural representation;
Mark in figure: the central area of A-optical amplifier combined lens, the fringe region 1-image display source of B-optical amplifier combined lens, 2-optical amplifier combined lens, 3-focuses on thin optical element, 4-convex lens.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model optical amplifier combined lens is mainly for the design of wear-type VR display system, and VR refers to virtual reality, is the abbreviation of Virtual Reality.
The utility model embodiment optical amplifier combined lens comprises the focusing thin optical element of a group switching centre hollow out and the convex lens of one group of band transparent plate shirt rim or combined convex, convex lens or the combined convex of described focusing thin optical element and described band transparent plate shirt rim are superimposed together, the bossing focusing on thin optical element central void region and convex lens or combined convex closely cooperates, the corresponding main view field imaging of convex lens, has the image quality of high-quality; Focus on thin optical element corresponding edge view field imaging, effectively can expand the peripheral visual field of VR display system.Described convex lens are traditional spherical lens, non-spherical lens or optical lens with free curved surface; Described combined convex refers to that formation lens combination combined by least two pieces of convex lens, the non-spherical lens formation combined convex glued together of the circle that such as two pieces of bores are consistent; Described focusing thin optical element is Fresnel Lenses, Fresnel zone plate or binary optical elements.The transparent plate shirt rim not any optical effect of tool of convex lens, its Main Function is to facilitate convex lens to combine with focusing thin optical element.
When the utility model embodiment optical amplifier combined lens is applied on wear-type VR equipment, when not adopting specific compensating optical element, the focal length of described convex lens or combined convex and the focus difference focused between thin optical element is needed to be less than 10 millimeters.
In certain embodiments, focus on thin optical element to be combined by optical veneering mode with the convex lens or combined convex being with transparent plate shirt rim.
In certain embodiments, the convex lens surface of optical amplifier combined lens is carved with for achromatic lines, and that is, the central area A of optical amplifier combined lens can to spread out mixing achromat for folding.
Three kinds of the utility model optical amplifier combined lens embodiments are introduced below in conjunction with Fig. 1 ~ Fig. 7:
Optical amplifier combined lens embodiment 1:
See Fig. 1 ~ Fig. 3, the present embodiment optical amplifier combined lens 2 comprises the convex lens 21 of one group of transparent little shirt rim of band and the planar substrates Fresnel Lenses 22 of a group switching centre hollow out, the overlap joint edge that described Fresnel Lenses 22 internal diameter band sinks, overlap joint is along matching with the shirt rim of convex lens 21.When convex lens 21 and Fresnel Lenses 22 being combined, convex lens 21 just in time embed void region, Fresnel Lenses 22 center, and shirt rim and the Fresnel Lenses 22 of convex lens 21 sink to overlapping along overlapping.
Optical amplifier combined lens embodiment 2:
See Fig. 4 and Fig. 5, the present embodiment optical amplifier combined lens 2 comprises the convex lens 21 of one group of transparent large shirt rim of band and the planar substrates Fresnel Lenses 22 of a group switching centre hollow out, described convex lens 21 shirt rim shape size is consistent with Fresnel Lenses 22 shape size of center hollow out, when Fresnel Lenses 22 and convex lens 21 are superimposed together, shirt rim and the Fresnel Lenses 22 of convex lens 21 overlap completely.
It should be noted that, due to the transparent plate shirt rim not any optical effect of tool of convex lens, its Main Function is to facilitate convex lens to combine with focusing thin optical element, therefore the shirt rim of convex lens also can size shape with to focus on thin optical element inconsistent, the two can partly overlap.
Optical amplifier combined lens embodiment 3:
Wear-type VR display device divides monocular and binocular two kinds, and the optical amplifier combined lens structure of Fig. 1 ~ Fig. 5 introduction is monocular structure, when being applied on binocular head-mounted display apparatus, needs each one group around.The one being applicable to binocular below in conjunction with Fig. 6 and Fig. 7 introduction amplifies combined lens.Fig. 6 is the convex lens group of band transparent plate shirt rim, and it has two convex lens in left and right, is linked together by transparent plate shirt rim; Fig. 7 is the planar substrates Fresnel Lenses adapting to Fig. 6 convex lens, and it corresponds to Fig. 6 convex lens group and has symmetrical two void region; The two integral optical amplification combined lens namely forming and be applicable to binocular that is superimposed together.Such integral optical amplifies combined lens from more convenient installation, but the head-mounted display apparatus that application integral optical amplifies combined lens does not possess the function regulating interpupillary distance.
In the above-described embodiments, when focusing on thin optical element and selecting planar substrates Fresnel Lenses, planar substrates Fresnel Lenses one side is light face, and another side is carved with concentric sawtooth annulus, when such optical amplifier combined lens is installed on wear-type VR display device, preferred light face is in the face of human eye.
In the utility model embodiment, with the convex lens of transparent shirt rim, its convex lens part bore can be circular, also can be rectangle or other non-regular shape, the void region contour shape focusing on thin optical element is consistent with the bore shape of convex lens, and can closely cooperate; Its circumference shape is not limit, and can adjust arbitrarily according to its applied environment.
Because the utility model embodiment optical amplifier combined lens is non-standard lens, in this Figure of description, it is illustrated in index path with the form of Fig. 8 (a) or Fig. 8 (b).
Be described above the structure of the utility model embodiment optical amplifier combined lens, that introduces the described optical amplifier combined lens of application below wears display optical system structure.
The utility model embodiment is worn display optical system and is comprised image display source and optical loupes group, optical loupes group comprises the above-mentioned optical amplifier combined lens of at least a slice, and the projection virtual image of optical information after optical loupes group is amplified of image display source display is received by human eye.Image display source can be independent display screen, also can be mobile terminal display screen.
In certain embodiments, described optical loupes group also comprises one or more pieces and focuses on thin optical element, focus on thin optical element and be positioned at optical amplifier combined lens away from human eye one end, the optical information of image display source display first through focusing on thin optical element, then injects human eye through optical amplifier combined lens.
In further embodiments, described optical loupes group also comprises one or more pieces convex lens, and convex lens are positioned at optical amplifier combined lens away from human eye one end, and the optical information of image display source display first through convex lens, then injects human eye through optical amplifier combined lens.Equally, convex lens herein can be the combined lens of traditional sphere, aspheric surface, optical lens with free curved surface and these conventional lenses.
Introduce below in conjunction with Fig. 9 ~ Figure 16 the section Example that the utility model wears display optical system, Fig. 8 ~ Figure 16 all wears display optical system for binocular, and monocular optical system only needs the side selecting binocular optical system, is not introduced separately.
Wear display optical system embodiment 1:
See Fig. 9, for binocular wears display optical system structural representation, (image display source 1 can be that screen display is shown about one piece of large-size screen monitors point to comprise image display source 1 that right and left eyes shares, also can be two pieces, left and right smaller screen separately) and two groups, left and right optical loupes group, often organize optical loupes group to be made up of a slice optical amplifier combined lens 2, the optical information that image display source 1 shows, the projection virtual image after optical amplifier combined lens 2 amplifies is received by human eye.In the present embodiment, the convex lens part of optical amplifier combined lens 2 is glued together by the non-spherical lens of the consistent circle of two pieces of bores and is formed (shirt rim that two pieces of non-spherical lens bands are consistent); The focusing thin optical element of center hollow out is planar substrates Fresnel Lenses.The center gummed lens component of optical amplifier combined lens 2 and the structure of Fresnel Lenses part mark as shown in Figure 10, and its respective parameter can reference table 1.
In the present embodiment, when optical amplifier combined lens 2 meets table 1 parameter, when the focal length of combined convex and Fresnel Lenses is 30mm (now total focal length 30mm of optical loupes group), when image display source 1 is 6 inch screen, this binocular horizontal field of view wearing display optical system is about 106 degree, diagonal field of view about 152 degree.
Table 1
Wear display optical system embodiment 2:
See Figure 11, the present embodiment is worn display optical system and is had image display source 1 and two groups, a left and right optical loupes group, often organize optical loupes group to be made up of a slice optical amplifier combined lens 2 and two panels focused lamellae type optical element 3, two panels focused lamellae type optical element 3 shows between source 1 at optical amplifier combined lens 2 and image, and often the two panels focused lamellae type optical element 3 organized in optical loupes group can be a slice planar substrates Fresnel Lenses and a slice cambered surface substrate Fresnel Lenses.The optical information that image display source 1 shows first through focusing on thin optical element 3, then injects human eye through optical amplifier combined lens 2
Wear display optical system embodiment 3:
See Figure 12, the present embodiment is worn display optical system and is had image display source 1 and two groups, a left and right optical loupes group, often organize optical loupes group to be made up of a slice optical amplifier combined lens 2 and a slice focusing thin optical element 3 (the present embodiment selects planar substrates Fresnel Lenses), the optical information that image display source 1 shows first through Fresnel Lenses 3, then injects human eye through optical amplifier combined lens 2.In the present embodiment, optical amplifier combined lens 2 is made up of a band circular aspheric lenses for shirt rim and the planar substrates Fresnel Lenses of center hollow out, the non-spherical lens part of optical amplifier combined lens 2 and the structure of edge Fresnel Lenses part mark as shown in figure 13, and its respective parameter can reference table 2.In the present embodiment, when optical amplifier combined lens 2 meets table 2 parameter, when image display source 1 is 6 inch screen, when the focal length of Fresnel Lenses 3 is 55mm, now total focal length of optical loupes group is about 29mm, and the binocular horizontal field of view of this optical system is about 110 degree, diagonal field of view about 160 degree.
Table 2:
Wear display optical system embodiment 4:
See Figure 14, the present embodiment is worn display optical system and is had image display source 1 and two groups, a left and right optical loupes group, often organize optical loupes group to be made up of a slice optical amplifier combined lens 2 and a slice convex lens 4, the optical information that image display source 1 shows first through convex lens 4, then injects human eye through optical amplifier combined lens 2.In the present embodiment, optical amplifier combined lens 2 is made up of a band circular aspheric lenses for shirt rim and the planar substrates Fresnel Lenses of center hollow out, the non-spherical lens part of optical amplifier combined lens 2 and the structure of edge Fresnel Lenses part mark as shown in figure 13, and its respective parameter can reference table 3; Convex lens 4 are aspheric surface biconvex lens, and as shown in figure 15, its parameter can reference table 4 for its structure mark.In the present embodiment, when optical amplifier combined lens 2 meets table 3 parameter and convex lens 4 meet table 3 parameter, total focal length of optical loupes group is about the 33.5mm (focal length of convex lens 45.95 of optical amplifier combined lens 2, optical amplifier combined lens 2 edge Fresnel Lenses focal length 46mm, convex lens 4 focal length 104.3mm), when image display source 1 is 6 inch screen, the binocular horizontal field of view obtaining this optical system can be calculated and be about 90 degree, diagonal field of view about 126 degree.
Table 3:
Table 4:
Wear display optical system embodiment 5:
See Figure 16, the present embodiment is worn display optical system and is had image display source 1 and two groups, a left and right optical loupes group, often organizes optical loupes group and is longitudinally stacked together by two panels optical amplifier combined lens.The optical information that image display source 1 shows first through the first optical amplifier combined lens, then injects human eye through the second optical amplifier combined lens.
In order to meet some particular demands, the optical element that the various embodiments described above are worn in display optical system all can optionally increase plating anti-reflection film, adds dura mater, the functional rete such as antifog film.
Wear in the embodiment of display optical system above-mentioned, as Fig. 9 to Figure 16, left and right optical loupes group is independent component, when the pupil spacing of binocular wear-type VR display device does not need to adjust operation, the convex lens part of optical amplifier combined lens band shirt rim, left and right and the focusing thin optical element of center hollow out can be designed to integrated injection molding respectively, as Fig. 6 and Fig. 7, then the two combines the integral optical amplification combined lens being formed and be applicable to binocular by optical veneering mode.
The utility model additionally provides a kind of wear-type virtual reality display device, this wear-type virtual reality display device can be monocular formula, also can be binocular-type, the optical system for comprising the utility model optical amplifier combined lens that its optical system adopts, binocular-type optical system can see Fig. 9 to Figure 16.
The utility model adopts a kind of special optical amplifier combined lens, can expand the visual field of image display system greatly.Be applied to binocular-type when wearing in virtual reality display device, when the image of equipment drawing picture display left and right, source split screen display with difference, the effect of user more can be allowed to experience truly enormous impact that stereoscopic vision brings and ultimate attainment shock.
The utility model overcomes alone conventional lenses (sphere, aspheric surface or free form surface) as when wearing display device magnifier group, because of the little limit display system visual field of aperture of lens, weaken the feeling of immersion brought to human eye, weight is large, wears the problems such as uncomfortable; Focusing thin optical element described in the utility model comprises Fresnel Lenses, Fresnel zone plate, binary element etc. have the sheet type optical element of focusing function, these element weight are light, but image quality is slightly poor, by itself and conventional lenses to combination, namely ensure that center image quality, expand again the fringe field of view of human eye, enhance the feeling of immersion of user, simultaneously owing to focusing on the use of thin optical element, greatly reduce the weight of system, alleviate weight and wear to wearing display device the sense of discomfort caused.In addition, if by the common focusing thin optical combination of elements not with the convex system lens in shirt rim and center hollow out, be easy to deflection occurs, dislocation etc. affects the problem of optical amplifier combined lens precision, the utility model adopts the convex lens of band shirt rim and focuses on the superimposed of thin optical element, effectively can reduce the two in conjunction with difficulty, improve the optical amplifier combined lens percentage of A-class goods.
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 expands 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 (11)
1. an optical amplifier combined lens, use in wear-type virtual reality display device, it is characterized in that, described optical amplifier combined lens comprises the focusing thin optical element of a group switching centre hollow out and the convex lens of one group of band transparent plate shirt rim or combined convex, convex lens or the combined convex of described focusing thin optical element and described band transparent plate shirt rim are superimposed together, and the bossing focusing on thin optical element central void region and convex lens or combined convex closely cooperates.
2. optical amplifier combined lens as claimed in claim 1, it is characterized in that, when the convex lens of described focusing thin optical element and described band transparent plate shirt rim or combined convex are superimposed together, the shirt rim of convex lens or combined convex is with focusing thin optical componentry or overlap completely.
3. optical amplifier combined lens as claimed in claim 1, is characterized in that, the overlap joint edge that described focusing thin optical element inner diameter band sinks, and overlap joint is along matching with the shirt rim of convex lens or combined convex.
4. the optical amplifier combined lens as described in any one of claims 1 to 3, is characterized in that, described convex lens are spherical lens or non-spherical lens or optical lens with free curved surface; Described focusing thin optical element is Fresnel Lenses or Fresnel zone plate or binary optical elements.
5. optical amplifier combined lens as claimed in claim 4, it is characterized in that, described convex lens surface is carved with for achromatic lines.
6. optical amplifier combined lens as claimed in claim 4, is characterized in that, focal length and the focus difference focused between thin optical element of described convex lens or combined convex are less than 10 millimeters.
7. optical amplifier combined lens as claimed in claim 4, is characterized in that, focuses on thin optical element and is combined by optical veneering mode with the convex lens or combined convex being with transparent plate shirt rim.
8. wear display optical system, comprise image display source and optical loupes group, the optical information of image display source display, the projection virtual image after optical loupes group is amplified is received by human eye, it is characterized in that, optical loupes group comprises the optical amplifier combined lens at least described in a slice claim 1 to 7.
9. wear display optical system as claimed in claim 8, it is characterized in that, described optical loupes group also comprises one or more pieces and focuses on thin optical element, focus on thin optical element and be positioned at optical amplifier combined lens away from human eye one end, the optical information of image display source display first through focusing on thin optical element, then injects human eye through optical amplifier combined lens.
10. wear display optical system as claimed in claim 8, it is characterized in that, described optical loupes group also comprises one or more pieces convex lens, convex lens are positioned at optical amplifier combined lens away from human eye one end, the optical information of image display source display first through convex lens, then injects human eye through optical amplifier combined lens.
11. wear-type virtual reality display devices, is characterized in that, comprise one group and or two groups of claims 8 to 10 according to any one of wear display optical system.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130502.6U CN204515244U (en) | 2015-03-06 | 2015-03-06 | Optical amplifier combined lens, wear display optical system and equipment |
| US15/555,554 US20180039068A1 (en) | 2015-03-06 | 2015-10-28 | Optical magnifying combination lens, head-mounted display optical system and virtual reality display device |
| PCT/CN2015/093084 WO2016141721A1 (en) | 2015-03-06 | 2015-10-28 | Optical amplification combined lens, head-mounted display optical system and virtual reality display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130502.6U CN204515244U (en) | 2015-03-06 | 2015-03-06 | Optical amplifier combined lens, wear display optical system and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204515244U true CN204515244U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520130502.6U Withdrawn - After Issue CN204515244U (en) | 2015-03-06 | 2015-03-06 | Optical amplifier combined lens, wear display optical system and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204515244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749761A (en) * | 2015-03-06 | 2015-07-01 | 成都理想境界科技有限公司 | Optical enlargement combination lens, head-mounted display optical system and equipment |
| WO2016141721A1 (en) * | 2015-03-06 | 2016-09-15 | 成都理想境界科技有限公司 | Optical amplification combined lens, head-mounted display optical system and virtual reality display device |
-
2015
- 2015-03-06 CN CN201520130502.6U patent/CN204515244U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749761A (en) * | 2015-03-06 | 2015-07-01 | 成都理想境界科技有限公司 | Optical enlargement combination lens, head-mounted display optical system and equipment |
| WO2016141721A1 (en) * | 2015-03-06 | 2016-09-15 | 成都理想境界科技有限公司 | Optical amplification combined lens, head-mounted display optical system and virtual reality display device |
| CN104749761B (en) * | 2015-03-06 | 2017-07-21 | 成都理想境界科技有限公司 | Optical amplifier combined lens, wear display optical system and equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20170721 |