CN106597777A - Infrared transmission device of head-mounted display equipment based on iris recognition - Google Patents
Infrared transmission device of head-mounted display equipment based on iris recognition Download PDFInfo
- Publication number
- CN106597777A CN106597777A CN201611107706.3A CN201611107706A CN106597777A CN 106597777 A CN106597777 A CN 106597777A CN 201611107706 A CN201611107706 A CN 201611107706A CN 106597777 A CN106597777 A CN 106597777A
- Authority
- CN
- China
- Prior art keywords
- infrared
- display device
- infrared lamp
- circuit board
- cover
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
Abstract
The invention discloses an infrared transmission device of head-mounted display equipment based on iris recognition. The infrared transmission device includes an infrared lamp 1, a circuit board 2 and a infrared transmission cover 3, the infrared transmission cover 3 is located between the infrared lamp 1 and human eyes, light of the infrared lamp 1 passes the infrared transmission cover 3 to reach the human eyes, and the infrared transmission cover 3 can only transmit infrared light of a certain wavelength, and nearly blocks all visible light and infrared light of the rest of wavebands. The technical scheme greatly reduces infrared light that reaches the human eyes, maximally reduces risks of continuous evaporation of tear films and corneal protein coagulation caused by infrared high temperature, avoids direct harm of infrared rays to the human eyes, and directly improves the comfort level of a user when wearing the head-mounted display equipment; and an optical effect is good, various stray light interference can be effectively restrained, image noise is reduced, the computation amount of an iris recognition algorithm is reduced, and interactive experience when the user uses the head-mounted display equipment is improved.
Description
Technical field
The invention belongs to infrared radiation field, specifically a kind of to wear the infrared of display device based on iris identification
Penetrating apparatus.
Background technology
Wear display device enjoyed industry to attract attention at nearly 2 years, and it can simulate real scene, allowed people in virtual generation
The satisfaction of sense organ is obtained in boundary, is referred to as " next generation computer platform ".There are different interactions currently for display device is worn
Solution, for example：Stick control, touchpad operation, Voice command, 3D gesture identifications, eye control interaction etc..It is aobvious for wearing
Show that equipment can also configure iris recognition module, meet some and specifically use scene.
Iris identification needs pupil and the iris related data for knowing user in real time, needs to be filled in display device is worn
Infrared lamp is put, and the human eye photo of user is gathered using miniature infrared camera.
In display device is worn, human eye is generally less than 3cm with a distance from infrared lamp.The pigment absorption of iris and retina
Infrared ray can be changed into heat energy.High temperature can cause the lasting evaporation of tear film, and lacrimal secretion is not smooth, so as to the disease of xerophthalmia occurs
Shape.Infrared ray also results in chronic blepharitis, conjunctivitis.Simultaneously high temperature can cause keratoprotein to condense, so as to cause crystalline lenses
Localized opacity, retina injury.Irradiation of the infrared ray of high irradiation to human eye for a long time, it might even be possible to cause cataract.
In algorithm part, need to remove interference of the noise to pupil and iris identification, picture noise is more, the calculating of needs
Time is longer, needs the resources of chip for taking more, easily causes time delay, affects Consumer's Experience.
The content of the invention
The invention discloses a kind of infrared transmission device for wearing display device based on iris identification, for solving in head
Wear the photo bio safety problem of the infrared ray radiation human eye of infrared lamp in display device, and reduce pupil and iris identification is calculated
The operand of method.
To realize above-mentioned technical purpose, the technical solution used in the present invention is as follows：
A kind of infrared transmission device for wearing display device based on iris identification, it is characterised in that include：Including infrared
Lamp 1, thoroughly circuit board 2, infrared cover 3.
Preferably, infrared lamp 1 is connected with circuit board 2；The light that infrared lamp 1 sends reaches human eye through saturating infrared cover 3；It is thoroughly red
Outer housing 3 is arranged on the circuit board 2 or described wears on display device.
Preferably, infrared lamp 1 is welded on circuit board 2；Circuit board 2 is fixed on to be worn on display device；Thoroughly infrared cover 3 exists
The top of infrared lamp 1 and infrared lamp 1 is covered in confined space；Thoroughly infrared cover 3 is located between infrared lamp 1 and human eye.
Preferably, this device can cover more for 1 set or, according to the specific algorithm of the iris identification worn in display device
Depending on, or to the specific requirement of ambient light depending on.
Preferably, infrared lamp 1 is the paster infrared LED that wavelength is 810nm or 850nm or 940nm.
Preferably, infrared lamp 1 includes but is not limited to 1, preferably 2 or 4 or 6 or 8 or 10 or 12.
Preferably, the driving current or voltage of infrared lamp 1 is controlled by infrared lamp drive circuit；Infrared lamp drive circuit or
On the circuit board 2, or design is wearing on the mainboard of display device for design, or design is known in the iris for wearing display device
In other module, or it is designed as a single infrared lamp drive module.
Preferably, circuit board 2 is the pcb board of single or double or multilamellar, the flexible FPCB plates of preferred single or double or
Person's aluminium base；Circuit board 2 is electrically connected with display device is worn.
Preferably, circuit board 2 is fixed on and wears on display device, depending on concrete fixed position is according to concrete light path demand.
Can be fixed at the outer shroud of left optical lenses, or can be fixed at the outer shroud of right optical lenses.
Preferably, circuit board 2 needs to apply thermal grease before fixing, and to strengthen radiating, extends the service life of infrared lamp.
Preferably, the shapes and sizes of circuit board 2 are set based on real needs, can be abnormity, and invention is preferably ring-type,
And ring internal diameter is more than the external diameter of optical lenses 4；The thickness of circuit board 2 is less than 2mm.
Preferably, thoroughly infrared cover 3 is processed by thoroughly infrared material, and thoroughly infrared material is including but not limited to thoroughly red
Outer PMMA or PC or optical glass or ABS；Thoroughly infrared cover 3 can only pass through the infrared light of certain wavelength, such as 810nm or 850nm or
The near infrared light of 940nm, light transmittance is more than 85%；It is white or red that the saturating color of infrared cover 3 includes but is not limited to black.
Preferably, the light emission direction of infrared lamp 1 is perpendicular to saturating infrared cover 3 or and 0～90 ° of angle of saturating infrared 3 one-tenth of cover.
Preferably, display device is worn including optical lenses 4, display module 5, housing 6.Optical lenses 4 include left optics
Lens and right optical lenses, correspond to respectively the right and left eyes of user；When using display device is worn, eyes are near light for user
Learn lens 4, the content that can be watched on display module 5.
Preferably, display device is worn including iris recognition module, miniature infrared camera；Infrared lamp 1 is through thoroughly infrared
Cover 3 lights；Miniature infrared camera gathers the human eye photo of user；Iris recognition module carries out the process of data or biography
It is defeated.
Compared to existing technology, the technical program mainly has 2 advantages：
1st, the infrared light for reaching human eye is greatly reduced, reducing infrared heat causes lasting evaporation and the cornea of tear film
The risk that albumen condenses, it is to avoid direct injury of the infrared ray to human eye, directly improves user wearing and wears display device
When comfort level；
2nd, optical effect is good, can effectively contain various light disturbances, reduces picture noise, reduces the operand of algorithm, changes
Kind user is using interactive experience when wearing display device.
Description of the drawings
The there is provided picture of this description of the drawings constitutes of the application for aiding in a further understanding of the present invention
Point, inappropriate limitation of the present invention is not constituted, in the accompanying drawings：
Fig. 1 wears the infrared of display device for the first embodiment for providing of the invention is a kind of based on iris identification
The structural representation of injection device.
Fig. 2 wears the infrared of display device for the first embodiment for providing of the invention is a kind of based on iris identification
The front view of injection device.
Fig. 3 wears the infrared of display device for second embodiment for providing of the invention is a kind of based on iris identification
The front view of injection device.
Fig. 4 wears the infrared of display device for the third embodiment for providing of the invention is a kind of based on iris identification
The front view of injection device.
Critical piece symbol description is as follows：Infrared lamp 1, thoroughly circuit board 2, infrared cover 3, optical lenses 4, display module 5, shell
Body 6.
Specific embodiment
In order that those skilled in the art may be better understood the present invention, below in conjunction with the accompanying drawings and exemplary embodiment
Technical solution of the present invention is further illustrated.This exemplary embodiment is not intended to limit the scope of the present disclosure, the suitability or configuration.
It is to be understood that the present invention illustrated during various changes can be made in terms of the concrete arrangement of component without deviating from claim
The spirit and scope of practical plan.
Embodiment one as shown in Figure 1 and Figure 2, a kind of infrared transmission device for wearing display device based on iris identification,
Including infrared lamp 1, thoroughly circuit board 2, infrared cover 3.Display device is worn including optical lenses 4, display module 5, housing 6.
When using display device is worn, near optical lenses 4, through optical lenses 4, user can be with for eyes for user
Content on viewing display module 5.User is when using display device is worn, and infrared lamp 1 lights through saturating infrared cover 3, micro-
Type infrared camera gathers the human eye photo of user, and iris recognition module or VR mainboard modules or external computing module are transported
Calculate, can in real time draw the pupil and iris related data of user.
Each several part feature described in detail below and operation principle：
(1) infrared lamp
Infrared lamp 1 be light source, infrared lamp (1) for wavelength for 810nm or 850nm or 940nm paster infrared LED；It is infrared
Lamp (1) includes but is not limited to 1, can be one depending on arranging quantity according to demand, or and multiple, the present invention is to this
It is not intended to limit, preferably 2 or 4 or 6 or 8 or 10 or 12.
Infrared lamp 1 is welded on circuit board 2, and thoroughly infrared cover 3 covers on confined air in the top of infrared lamp 1 and by infrared lamp 1
Interior, the light of infrared lamp 1 is unable to direct projection human eye, and the light that infrared lamp 1 sends reaches human eye through saturating infrared cover 3.
When specifically, using many infrared lamps, infrared lamp makes to enter human eye according to its distributing position of concrete light path design
Light is uniform, and makes the black white image edge clear that miniature infrared camera is collected clearly demarcated, to reduce algorithm in for pupil or
The operand that person's iris feature is extracted.
The driving current of infrared lamp 1 is controlled by infrared lamp drive circuit；Infrared lamp drive circuit or design are in circuit board 2
On.
Specifically, driving current size on the premise of image edge clear is met, is use up according to the parameter setting of infrared lamp
Amount adopts more small current, to reduce total irradiation value of infrared lamp.
Horizontal plane of the light emission direction of infrared lamp 1 perpendicular to saturating infrared cover 3.
(2) circuit board
Circuit board 2 is single-sided flexible FPCB plates, because flexibility FPCB plate bending resistances, elaboration are more preferable.
On the circuit board 2, circuit board 2 is electrically connected with display device is worn for infrared lamp drive circuit or design.
Specifically, circuit board 2 is connected with display device is worn by winding displacement, is worn display device and is powered to circuit board 2.
Circuit board 2 is fixed on the outer shroud of left optical lenses.
Specifically, circuit board 2 is fixed on the outer shroud of left optical lenses.
Circuit board 2 needs to apply thermal grease before fixing, and to strengthen radiating, extends the service life of infrared lamp.
The shapes and sizes of circuit board 2 are set based on real needs, can be abnormity, and invention is preferably in ring-type, and ring
External diameter of the footpath more than optical lenses 4；The thickness of circuit board 2 is less than 2mm.
Specifically, width of the ring footpath of ring circuit plate more than infrared lamp, it is contemplated that other units of infrared lamp drive circuit
Device goes out the interference of optical property to infrared lamp may change light path, need wiring reasonable, the thing of other components and parts and infrared lamp
Reason distance should be greater than 1mm.
(3) saturating infrared cover
Thoroughly infrared cover 3 is arranged on and wears on display device, and the light that infrared lamp 1 sends reaches human eye through saturating infrared cover 3.
Specifically, thoroughly infrared cover 3 is fixed on the outer shroud of left optical lenses.
Thoroughly infrared cover 3 is covered in confined space in the top of infrared lamp 1 and by infrared lamp 1；Thoroughly infrared cover 3 is located at infrared lamp
Between 1 and human eye.
Thoroughly infrared cover 3 is processed by thoroughly infrared PMMA materials.
Thoroughly infrared cover 3 can only pass through the infrared light of certain wavelength, the near infrared light of such as 810nm or 850nm or 940nm, thoroughly
Light rate is more than 85%.
It is white or red that the saturating color of infrared cover 3 includes but is not limited to black.
Horizontal plane of the light emission direction of infrared lamp 1 perpendicular to saturating infrared cover 3.
(4) optical lenses
Optical lenses 4 include left optical lenses and right optical lenses, and the right and left eyes of user are corresponded to respectively；
When using display device is worn, near optical lenses 4, through optical lenses 4, user can be with for eyes for user
Content on viewing display module 5.
(5) iris recognition module, miniature infrared camera
Display device is worn including iris recognition module, miniature infrared camera.
When using display device is worn, infrared lamp 1 lights user through saturating infrared cover 3；Miniature infrared camera is adopted
The left eye photo of collection user；Iris recognition module carries out the process or transmission of data.
It should be noted that in the scheme of present invention offer, this device is 1 set, positioned at the left optics for wearing display device
At the outer shroud of lens, the iris recognition module to left eye is coordinated to work.
In preferred embodiment two, as shown in figure 3, this device can be 1 set, positioned at the right optical lenses for wearing display device
Outer shroud at, coordinate and the iris recognition module of right eye worked.
In preferred embodiment three, as shown in figure 4, this device can be 2 sets, respectively positioned at the left and right light for wearing display device
Learn at the outer shroud of lens, coordinate iris of left eye identification module and iris of right eye identification module to work simultaneously.
The scheme that the present invention is provided mainly has 2 advantages：
1st, the infrared light for reaching human eye is greatly reduced, reducing infrared heat causes lasting evaporation and the cornea of tear film
The risk that albumen condenses, it is to avoid direct injury of the infrared ray to human eye, directly improves user wearing and wears display device
When comfort level；
2nd, optical effect is good, can effectively contain various light disturbances, reduces picture noise, reduces the fortune of Algorithm of Iris Recognition
Calculation amount, improves user using interactive experience when wearing display device.
A kind of infrared transmission device for wearing display device based on iris identification that the present invention is provided is carried out above
It is discussed in detail.The explanation of specific embodiment is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that right
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these are improved and modification is also fallen in the protection domain of the claims in the present invention.
Claims (9)
1. a kind of infrared transmission device for wearing display device based on iris identification, it is characterised in that include：Infrared lamp (1),
Circuit board (2) and thoroughly infrared cover (3)；Wherein described infrared lamp (1) is connected with circuit board (2)；The light that the infrared lamp (1) sends
Human eye is reached through infrared cover (3) thoroughly；The infrared cover (3) is arranged on the circuit board (2) or described wears display device
On.
2. a kind of infrared transmission device for wearing display device based on iris identification according to claim 1, it is characterised in that：
Infrared lamp (1) is welded on circuit board (2)；Circuit board (2) is fixed on to be worn on display device；Thoroughly infrared cover (3) is in infrared lamp
(1) top and infrared lamp (1) is covered in confined space；Saturating infrared cover (3) is positioned at infrared lamp (1) and human eye between.
3. a kind of infrared transmission device for wearing display device based on iris identification according to claim 1, it is characterised in that：
Described device can cover more for 1 set or.
4. a kind of infrared transmission device for wearing display device based on iris identification according to claim 1, it is characterised in that：
Circuit board (2) is single or double or the pcb board of multilamellar；The circuit board (2) with wear display device and electrically connect.
5. a kind of infrared transmission device for wearing display device based on iris identification according to claim 1, it is characterised in that：
Infrared lamp (1) for wavelength for 810nm or 850nm or 940nm paster infrared LED；Infrared lamp (1) is at least 1.
6. a kind of infrared transmission device for wearing display device based on iris identification according to claim 1, it is characterised in that：
The driving current or voltage of infrared lamp (1) is controlled by infrared lamp drive circuit；Infrared lamp drive circuit is arranged on circuit board
(2) on, or it is arranged on the mainboard for wearing display device, or is arranged on the iris recognition module for wearing display device,
Or for a single infrared lamp drive module.
7. a kind of infrared transmission device for wearing display device based on iris identification according to claim 1, it is characterised in that：
The infrared cover (3) is processed by thoroughly infrared material.
8. according to a kind of infrared transmission device for wearing display device based on iris identification of any one of claim 1 to 7, its
It is characterised by：The display device of wearing is including optical lenses (4), display module (5), housing (6)；The optical lenses (4)
Including left optical lenses and right optical lenses, the right and left eyes of user are corresponded to respectively.
9. according to a kind of infrared transmission device for wearing display device based on iris identification of any one of claim 1 to 7, its
It is characterised by, the display device of wearing is including iris recognition module, miniature infrared camera；Infrared lamp (1) is through thoroughly infrared
Cover (3) lights.The miniature infrared camera gathers the human eye photo of user；The iris recognition module carries out the place of data
Reason is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107706.3A CN106597777A (en) | 2016-12-06 | 2016-12-06 | Infrared transmission device of head-mounted display equipment based on iris recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107706.3A CN106597777A (en) | 2016-12-06 | 2016-12-06 | Infrared transmission device of head-mounted display equipment based on iris recognition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106597777A true CN106597777A (en) | 2017-04-26 |
Family
ID=58595201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107706.3A Pending CN106597777A (en) | 2016-12-06 | 2016-12-06 | Infrared transmission device of head-mounted display equipment based on iris recognition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108055430A (en) * | 2017-12-13 | 2018-05-18 | 广东欧珀移动通信有限公司 | Electronic device |
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| CN106773038A (en) * | 2016-12-06 | 2017-05-31 | 栗明 | The infrared lamp penetrating apparatus for wearing display device that a kind of view-based access control model is followed the trail of |
| CN106773039A (en) * | 2016-12-06 | 2017-05-31 | 栗明 | It is a kind of based on the infrared lamp penetrating apparatus for wearing display device |
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| CN104394306A (en) * | 2014-11-24 | 2015-03-04 | 北京中科虹霸科技有限公司 | Multi-channel multi-zone coated camera module and equipment for iris recognition |
| CN105955491A (en) * | 2016-06-30 | 2016-09-21 | 北京上古视觉科技有限公司 | VR (virtual reality) glasses with eye control and iris recognition functions |
| CN106094088A (en) * | 2016-08-24 | 2016-11-09 | 上海光和光学制造大丰有限公司 | A kind of have the optical filter taken pictures with iris identification concurrently |
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| CN106773038A (en) * | 2016-12-06 | 2017-05-31 | 栗明 | The infrared lamp penetrating apparatus for wearing display device that a kind of view-based access control model is followed the trail of |
| CN106773039A (en) * | 2016-12-06 | 2017-05-31 | 栗明 | It is a kind of based on the infrared lamp penetrating apparatus for wearing display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108055430A (en) * | 2017-12-13 | 2018-05-18 | 广东欧珀移动通信有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Ming Document name: Notification of Passing Examination on Formalities Addressee: Li Ming Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Cong Inventor after: Li Ming Inventor before: Li Ming |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170823 Address after: 406, room 5, building A, Shangri La creative garden, No. 518000 Pingshan Road, Shenzhen, Guangdong, Nanshan District Applicant after: Shenzhen weft Information Technology Co., Ltd. Address before: 100044, Beijing Haidian District Three Mile River Road, No. 9 China Construction Corporation Applicant before: Li Ming |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |