CN204439934U - The nearly eye display ray machine that can prevent blue light from injuring - Google Patents
The nearly eye display ray machine that can prevent blue light from injuring Download PDFInfo
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- CN204439934U CN204439934U CN201420571059.1U CN201420571059U CN204439934U CN 204439934 U CN204439934 U CN 204439934U CN 201420571059 U CN201420571059 U CN 201420571059U CN 204439934 U CN204439934 U CN 204439934U
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Abstract
The utility model discloses a kind of nearly eye display ray machine preventing blue light from injuring, comprise optical system and hold the shell of this optical system, described optical system comprises the display screen for providing image or image, the propagation path of light of described image or image is adjusted to the plane mirror injecting human eye, lens are had at least to be organic high molecular polymer substrate containing Absorbable rod shortwave light absorbing agent in lens combination described in the lens combination of described image or image being carried out imaging amplification, described organic high molecular polymer substrate surface is provided with the evaporation rete be laminated by laminated reflective film.The utility model changes less on the concrete structure of ray machine, by increasing film plating layer, reduces the blue light injury of ray machine, Be very effective.
Description
Technical field
The utility model relates to one and to disappear blue light nearly eye display ray machine.
Background technology
As everyone knows, the ultraviolet in visible ray can damage eyes, but hardly realizes that the injury of blue light to eyes is more severe than ultraviolet.Because ultraviolet can be absorbed by cornea and lens portion usually, generally can not shine directly on retina, blue light then directly can be thrown through crystalline lens and shine on retina, receives the invasion and attack of purple light for a long time in a large number, can cause immeasurable damage to eyes.In visible ray, wavelength is at the blue light of 435nm, and its energy carried is maximum, and penetration power is the strongest, maximum to the injury of eyes.
Found by research, shortwave light, particularly ultraviolet light have sizable injury effect to retina, and this injury effect is by causing directly infringement to retinal pigment epithelium thus causing and accelerate treating senile maculopathy etc.Although the energy Ratios blue light of ultraviolet is high, also serious than blue light to the injury of eyes, in western countries, people are referred to as blue light injury (blue light hazard) this ultraviolet light, blue light to the injury that retina causes.
And along with science and technology and expanding economy, people wish that nearly eye display product not only can be accomplished compact size, facilitate portable, and require that image frame is the bigger the better, to reach more comfortable viewing effect.Portable near eye display product in the market is mainly divided into: take Sony as exploitation video and the game function of representative be main helmet-type near-to-eye, take Google as the video eyeglasses of the light and handy fashion manifested with developing network real-time information of representative, the reality-virtualizing game developed for representative with U.S. Oculus wear near-to-eye, the legerity type video eyeglasses removing Google in the said goods be open outside, to be all that closed large scale is virtual be shown as master to all the other two products.Display in above product mainly with highlighted LED for backlight, this makes such nearly eye display series products wear for a long time eyes can be made to accept Stimulus light to increase, can aggravate to injure the blue light of eyes, thus make eyes produce uncomfortable sensation.
Summary of the invention
The purpose of this utility model is to solve above-mentioned problems of the prior art, propose a kind of nearly eye display ray machine preventing blue light from injuring, comprise optical system and hold the shell of this optical system, described optical system comprises the display screen for providing image or image, the propagation path of light of described image or image is adjusted to the plane mirror injecting human eye, lens are had at least to be organic high molecular polymer substrate containing Absorbable rod shortwave light absorbing agent in lens combination described in the lens combination of described image or image being carried out imaging amplification, described organic high molecular polymer substrate surface is provided with the evaporation rete be laminated by laminated reflective film.
In the technical program, described evaporation rete is by least one deck low-index film and at least one layer of high refractivity rete is alternately laminated forms.Described low-index film is the one in silica coating or silicon monoxide rete.Described high refractivity rete is the one in zirconia rete or aluminium oxide rete.Described organic high molecular polymer substrate adopts polymethylmethacrylate to make.Described display screen (5) can select LCD or OLED.Described lens combination comprise at least one just, negative two lens.
Wherein in a specific embodiment, described evaporation rete comprises silica coating, zirconia rete and silica coating from the inside to the outside, and its thickness is respectively 130nm, 270nm and 130nm.
In the technical program, wherein the concrete structure of an embodiment is formed, its shell is combined by upper cover, lower cover, comprise two cavitys of corresponding two respectively, described lens combination respectively establishes one group in the front of two respectively, the optical axis that described display screen is parallel to described lens combination respectively both sides in the enclosure respectively establishes one, and described plane mirror and described display screen are that 45 ° of angles are arranged.
The utility model does not change mechanical-optical setup, by the lens in lens combination add plating rete, makes ray machine filter out most ultraviolet and blue light, avoids ray machine to cause blue light to injure to human eye.The utility model one-piece construction does not need transformation, makes the production cost of improvement lower, and can obtain effect well.
Accompanying drawing explanation
Below, contrast accompanying drawing and preferred embodiment are described in detail to the utility model, wherein:
Fig. 1 is structural blast figure of the present utility model;
Fig. 2 is optical system schematic diagram of the present utility model;
Fig. 3 is coating structure first embodiment of the present utility model;
Fig. 4 is coating structure second embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, utility model is described in detail.Should be appreciated that to the explanation of specific embodiment only in order to explain the technical scheme that the utility model proposes, and non-limiting the utility model.
Fig. 1 is the structural blast figure of the utility model one specific embodiment, nearly eye display ray machine in figure comprises optical system and holds the shell of this optical system, shell is made up of upper cover and lower cover, be divided into left ray machine and right ray machine, in the present embodiment, this upper cover 1 and lower cover 2 are screwed, and installing/dismounting is more convenient.The cavity that upper cover 1 and lower cover 2 form is right-angled trapezium shape cavity, can place in the horizontal plane during use, convenient viewing.
Fig. 2 is the schematic diagram of the utility model optical system, optical system comprises for providing the display screen of image or image, the propagation path of light of image or image being adjusted to the plane mirror injecting human eye, the lens combination of image or image being carried out imaging amplification, lens combination respectively establishes one group in the front of two respectively, the optical axis that display screen is parallel to lens combination respectively both sides in the enclosure respectively establishes one, and plane mirror and described display screen are that 45 ° of angles are arranged.
In the present embodiment, this display screen 5 can be LCD, also can be OLED, and also can be other optical displays, the present embodiment be not limited to this.Lens combination comprises at least one positive negative two lens, and two lens glued joint mutually.
Fig. 3, Fig. 4 are two kinds of coating structures of lens in the utility model lens combination, the utility model does not mainly change existing mechanical-optical setup, film layer structure needed for any one lens surface evaporation mainly in the lens combination of imaging, by the organic high molecular polymer substrate that these lens of plated film are containing Absorbable rod shortwave light absorbing agent, this organic high molecular polymer substrate surface is provided with the evaporation rete be laminated by laminated reflective film.
This evaporation rete is by least one deck low-index film and at least one layer of high refractivity rete is alternately laminated forms.Low-index film can be the one in silica coating or silicon monoxide rete.High refractivity rete can be the one in zirconia rete or aluminium oxide rete.Organic high molecular polymer substrate can adopt polymethylmethacrylate to make.Visible light absorber is any one or the wherein potpourri of two kinds in disperse blue, disperse yellow, the black three of dispersion.
In the present embodiment, the evaporation rete on positive lens or negative lens comprises silica coating, zirconia rete and silica coating from the inside to the outside, and its thickness is respectively 130nm, 270nm and 130nm.
During imaging, the image of left side display screen 5 or image are linearly propagated after light source igniting in the cavity be made up of upper cover 1 and lower cover 2, and the direction of propagation of this image or image is from top to bottom.This image or image form the virtual image (in Fig. 2 dotted line left part) after plane mirror 6 is launched, image or image are from left to right shown continuously, image again after plane mirror 6 reflects or image enter lens combination 3 and carry out amplification imaging, by human eye 4 is received after final distance camera lens one segment distance, imaging on the retina.Meanwhile, the image of the right display screen 5 is linearly propagated after light source igniting in the cavity be made up of upper cover 1 and lower cover 2, and the direction of propagation of this image or image is also from top to bottom.The virtual image (in Fig. 2 dotted line right part) is formed after plane mirror 6 is launched, image or image are from left to right shown continuously, image again after plane mirror 6 reflects enters lens combination and carries out amplification imaging, and by human eye 4 is received after final distance camera lens one segment distance, imaging on the retina.Thus make left eye and right eye sees to identical picture.The image sources seen due to human eye 4 in display screen 5 on plane mirror 6 become the virtual image, imaginary portions is formed interferes, as shown in black rectangle in Fig. 2; Trace it to its cause, display screen 5 size is greater than the distance of people's eye pupil 7; Therefore after it adds 45 ° of plane mirrors, utilize the virtual image to solve screen size and be greater than human eye interpupillary distance problem, and screen-interocular distance can be reduced, and do not affect amplification imaging, improve viewing effect.
In the present embodiment, the structure of nearly eye display ray machine prototype is substantially constant, plate special rete by the lens surface in lens set, realize reducing portion partial image blue light and enter human eye by amplification imaging eyeglass, avoid human eye to wear for a long time thus the blue light caused because the strong light offends our eyes injury.Improve comfortableness and the security of product.
Claims (9)
1. the nearly eye display ray machine that can prevent blue light from injuring, comprise optical system and hold the shell of this optical system, described optical system comprises the display screen for providing image or image, the propagation path of light of described image or image is adjusted to the plane mirror injecting human eye, described image or image are carried out the lens combination of imaging amplification, it is characterized in that: in described lens combination, have at least lens to be organic high molecular polymer substrate containing Absorbable rod shortwave light absorbing agent, described organic high molecular polymer substrate surface is provided with the evaporation rete be laminated by laminated reflective film,
Described lens combination comprise at least one just, negative two lens.
2. the nearly eye display ray machine that can prevent blue light from injuring as claimed in claim 1, is characterized in that: described evaporation rete is by least one deck low-index film and at least one layer of high refractivity rete is alternately laminated forms.
3. the nearly eye display ray machine that can prevent blue light from injuring as claimed in claim 2, is characterized in that: described low-index film is the one in silica coating or silicon monoxide rete.
4. the nearly eye display ray machine that can prevent blue light from injuring as claimed in claim 2, is characterized in that: described high refractivity rete is the one in zirconia rete or aluminium oxide rete.
5. the nearly eye display ray machine that can prevent blue light from injuring as claimed in claim 1, is characterized in that: described organic high molecular polymer substrate adopts polymethylmethacrylate to make.
6. the nearly eye display ray machine that can prevent blue light from injuring as claimed in claim 1, is characterized in that: described evaporation rete comprises silica coating, zirconia rete and silica coating from the inside to the outside, and its thickness is respectively 130nm, 270nm and 130nm.
7. the nearly eye display ray machine that can prevent blue light from injuring as claimed in claim 1, is characterized in that: described display screen (5) selects LCD or OLED.
8. the nearly eye display ray machine that can prevent blue light from injuring as claimed in claim 1, is characterized in that: described visible light absorber is any one or the wherein potpourri of two kinds in disperse blue, disperse yellow, the black three of dispersion.
9. the nearly eye display ray machine of the prevented blue light injury as described in claim 1 to 8 any one claim, it is characterized in that: described shell is combined by upper cover, lower cover, comprise two cavitys of corresponding two respectively, described lens combination respectively establishes one group in the front of two respectively, the optical axis that described display screen is parallel to described lens combination respectively both sides in the enclosure respectively establishes one, and described plane mirror and described display screen are that 45 ° of angles are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571059.1U CN204439934U (en) | 2014-09-30 | 2014-09-30 | The nearly eye display ray machine that can prevent blue light from injuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420571059.1U CN204439934U (en) | 2014-09-30 | 2014-09-30 | The nearly eye display ray machine that can prevent blue light from injuring |
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| Publication Number | Publication Date |
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| CN204439934U true CN204439934U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420571059.1U Expired - Fee Related CN204439934U (en) | 2014-09-30 | 2014-09-30 | The nearly eye display ray machine that can prevent blue light from injuring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371210A (en) * | 2016-10-18 | 2017-02-01 | 孙绪刚 | Augmented reality glasses based on transparent imaging glass material |
| CN106371211A (en) * | 2016-10-18 | 2017-02-01 | 孙绪刚 | Augmented reality glasses based on transparent imaging glass material |
| CN112539922A (en) * | 2020-12-08 | 2021-03-23 | Oppo广东移动通信有限公司 | Head-mounted display device, blue light testing system and blue light testing method |
-
2014
- 2014-09-30 CN CN201420571059.1U patent/CN204439934U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371210A (en) * | 2016-10-18 | 2017-02-01 | 孙绪刚 | Augmented reality glasses based on transparent imaging glass material |
| CN106371211A (en) * | 2016-10-18 | 2017-02-01 | 孙绪刚 | Augmented reality glasses based on transparent imaging glass material |
| CN106371210B (en) * | 2016-10-18 | 2018-05-25 | 上海蓝眸多媒体科技有限公司 | A kind of augmented reality glasses based on transparent image glass |
| CN112539922A (en) * | 2020-12-08 | 2021-03-23 | Oppo广东移动通信有限公司 | Head-mounted display device, blue light testing system and blue light testing method |
| CN112539922B (en) * | 2020-12-08 | 2023-12-05 | Oppo广东移动通信有限公司 | Head-mounted display device, blue light testing system and blue light testing method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |