CN104076515A - Head-mounted displayer conveniently used by ametropia patient - Google Patents
Head-mounted displayer conveniently used by ametropia patient Download PDFInfo
- Publication number
- CN104076515A CN104076515A CN201410322366.0A CN201410322366A CN104076515A CN 104076515 A CN104076515 A CN 104076515A CN 201410322366 A CN201410322366 A CN 201410322366A CN 104076515 A CN104076515 A CN 104076515A
- Authority
- CN
- China
- Prior art keywords
- display unit
- eyepiece
- object lens
- catoptron
- head
- 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
Links
Abstract
The invention relates to a head-mounted displayer, in particular to a head-mounted displayer conveniently used by an ametropia patient. The head-mounted displayer comprises a mirror bracket, a display unit and an optical module; the head-mounted displayer is characterized in that the display unit is arranged above the mirror bracket; the optical module is used for projecting images of the display unit to the eyes of a user and comprises an ocular lens, an objective lens, a first reflecting mirror and a second reflecting mirror, the objective lens is located between the display unit and the first reflecting mirror, and the ocular lens is located between the first reflecting mirror and the second reflecting mirror; a non-transparent baffle or stopping sheet with small holes is arranged on the front side or the back side of the objective lens, the first reflecting mirror is used for reflecting light passing through the small holes to the objective lens, and the light is focused by the objective lens and reflected to the positions of the eyes through the second reflecting mirror. The head-mounted displayer has the advantages of being high in universality, low in manufacturing cost, high in practicability and the like, and the head-mounted displayer can still be normally used when the ametropia patient does not wear glasses.
Description
Technical field
The present invention relates to a kind of head mounted display, especially relate to a kind of head mounted display that ametropia patient uses of being convenient to.
Background technology
Head mounted display (as Google's glasses) is a kind of portable individual video device, is convenient for people to watch video display video whenever and wherever possible, the not busy one of amusement body.At present, in known head mounted display, from the simple eye angle of left eye or right eye, for showing that the liquid crystal of image is relative fixing with optics module position on light path direction of transfer of playing image amplification, the user that conventionally can only adapt to fixing a kind of eyesight uses, the user who suffers from myopia, long sight and presbyopic eyesight wears head mounted display in bore hole situation, cannot normally observe normal image or the word showing in head mounted display.If image and word that above-mentioned user goes viewing head head mounted displays to show by the glasses of wearing for correcting defects of vision, most of user can not feel like oneself due to the stack of wearing of glasses and head mounted display, the volume of whole product is very large, light not, cause comfort to reduce.Even if the user that some head mounted display is deacclimatized different eyesights by embedding with dioptric eyeglass, once but under this mode, select and determine dioptric eyeglass, the user of other different eyesights is just difficult to adaptation, has reduced the universality of product.
Pinhole imaging system principle, the one or more apertures of all light processes by eyes are received, the light finally passing through is invested retina through the center of eye lens, thereby reaches the object that allows the people of vision disorder in various degree can see almost identical visual effect.According to above-mentioned principle, can make the head mounted display product that pervasive degree is higher.
Chinese invention patent ZL200820059514.4 disclose a kind of head mounted display, comprise mirror body, liquid crystal micro display, supporter and optics module, described optics module comprises lens, outer lens barrel and inner lens cone, inside and outside lens barrel is socketed mutually, described liquid crystal micro display is connected in one end of outer lens barrel, and described lens are placed in inner lens cone ... described lens are placed in inner lens cone one end away from liquid crystal micro display.
Chinese invention patent ZL 200920038141.7 disclose a kind of adjustable head-worn display, comprise mirror holder, liquid crystal micro display group, lens combination and support member, wherein liquid crystal micro display group, lens combination and support member are positioned at mirror holder, described liquid crystal micro display group is connected with lens combination by support member, described support member is positioned at the both sides of lens combination, is structure as a whole with lens combination; Described liquid crystal micro display group is movably connected on support member.
Chinese invention patent ZL200980128222.9 disclose a kind of head mounted display, comprising: lens body, and described lens body is towards user's eyeball; Display unit, described display unit is arranged in described lens body, and projects image onto eyeball; And image transmission unit, described image transmission unit is to be arranged in described lens body at a distance of the mode of predetermined distance with described display unit, wherein, described image transmission unit has the aperture being formed on wherein, thereby passes through described aperture by described image guided to eyeball.
Above-mentioned three kinds of head mounted displays have all adopted pinhole imaging system principle, but are all that display unit and optics module are arranged in picture frame, neither attractive in appearance, too thick and heavy again, and compressing user's the bridge of the nose causes pain; Topmost defect is that the display unit of above-mentioned head mounted display has blocked front sight line, so be only suitable for watching in sitting quietly, can not as Google's glasses, can see while walking, can watch, can do again other things, so above-mentioned head mounted display function singleness, is difficult to be accepted by Vehicles Collected from Market.
Summary of the invention
For overcoming the deficiencies in the prior art part, the invention provides a kind of head mounted display that ametropia patient uses of being convenient to, can use in the mode of similar Google glasses for the ametropia patient of different eyesights, significantly improve universality and the practicality of head mounted display, solved the defect of existing product.
The technical solution adopted in the present invention is: a kind of head mounted display of being convenient to ametropia patient's use, comprises mirror holder, display unit and optics module; Described display unit is arranged on described mirror holder top; Described optics module is for projecting the image of described display unit user's eyes, it comprises eyepiece, object lens, the first catoptron and the second catoptron, described object lens are between described display unit and the first catoptron, and described eyepiece is between described the first catoptron and the second catoptron; Described object lens front side or rear side are provided with is with foraminate opaque baffle plate or catch, described the first catoptron for by through the light reflection of described aperture to described eyepiece, described eyepiece focus on described light and by described the second catoptron by described light reflection to eyes place.
Further, the focal length that makes described eyepiece is f1, the focal length of described object lens is f2, the distance of eyes and described eyepiece is L1, the distance of described object lens and described eyepiece is L2, the distance of described object lens and described display unit is L3, the distance L 1 of eyes and described eyepiece, and the distance L 2 of described object lens and described eyepiece is answered coincidence formula
restriction.This required distance can ensure that the pixel light beam diameter receiving is the thinnest, and the diameter of light beam is no more than 1mm.
Further, the focal length that makes described object lens is f2, and the distance of described object lens and described display unit is L3, and the distance L 3 of described object lens and described display unit is answered coincidence formula
restriction.This required distance can keep the pixel light that receives the most parallel.
Inventive principle: the lighttight small pieces with aperture (being no more than 1mm diameter) are being pasted to eyes and be placed at the moment, we can see the picture of real world like this, for example, and ametropia patient (myopia) also can see in this way real world clearly in the situation that not wearing glasses, this is, because aperture has significantly dwindled crystalline lens, the undesired focusing of light has been increased to resolution.The head-mounted display that ametropia patient uses, want to obtain good display effect, do not think again subsidiary complicated focus adjusting mechanism, need to meet two conditions: first condition is that one group of light beam of a pixel wants thin, the diameter of light beam is no more than 1mm, and the CC part of process human eye; One group of light that second condition is a pixel is parallel.Light sends from display unit, first passes through object lens and aperture, then enters eyes through eyepiece, light can make the light beam of each pixel attenuate in the time of small holes, by controlling the diameter of aperture, beam diameter when can controlling light arrival eyes, controls it and is no more than 1mm.Light, through small holes and eyepiece, makes each light beam finally beat the CC to human eye, and light makes each light beam be directional light through object lens and eyepiece.What the first catoptron and the second catoptron played is the transmission direction that changes light, makes head-mounted display compact conformation.
Beneficial effect: compared to existing technology, this invention has following advantage:
(1) have compared to existing technology higher universality, the people of the vision disorder of the non-order of severity still can normally use in the situation that not wearing glasses.
(2) cost is lower, does not use the means such as feedback here, has just used a light path to solve ametropia problem, has avoided the feedback method involving great expense.
(3) no matter the people of twenty-twenty vision or ametropia patient can have almost identical experience.
(4) practical, minisize pick-up head can be integrated on mirror leg simultaneously, reaches the result of use similar to Google glasses.
Brief description of the drawings
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is schematic perspective view of the present invention,
Fig. 2 is schematic diagram of the present invention,
Fig. 3 is light path schematic diagram of the present invention.
In figure: 1, mirror holder, 2, display unit, 3, object lens, 4, the first catoptron, 5, eyepiece, 6, the second catoptron, 7, be with foraminate opaque baffle plate.
Embodiment
Referring to Fig. 1,2, a kind of head mounted display of being convenient to ametropia patient's use, comprises mirror holder 1, display unit 2 and optics module; Mirror holder 1 both sides are respectively equipped with mirror leg, and display unit 2 is arranged on the top of mirror holder 1.Optics module is for projecting the image of display unit 2 user's eyes, it comprises object lens 3, the first catoptron 4, eyepiece 5 and the second catoptron 6, object lens 3 are between display unit 2 and the first catoptron 4, and eyepiece 5 is between the first catoptron 4 and the second catoptron 6; Object lens 3 front sides or rear side are provided with is with foraminate opaque baffle plate 7 or catch, the first catoptron 4 for by through the light reflection of aperture to eyepiece 5, eyepiece 5 focused rays and by the second catoptron 6 by light reflection to eyes place.Aperture on opaque baffle plate 7 or catch is corresponding with the center of display unit 2, and the quantity of aperture can be one, can be also multiple.
Image-forming principle of the present invention as shown in Figure 3, light sends from display unit 2, first pass through the aperture on object lens 3 and opaque baffle plate 7, pass through again eyepiece 5, enter eyes, we can see the picture of real world like this, and ametropia patient (for example myopia) also can see in this way real world clearly in the situation that not wearing glasses, and this is, because aperture has significantly dwindled crystalline lens, the undesired focusing of light has been increased to resolution.
The head-mounted display that ametropia patient uses, want to obtain good display effect, do not think again subsidiary complicated focus adjusting mechanism, need to meet two conditions: first condition is that one group of light beam of a pixel wants thin, the diameter of light beam is no more than 1mm, and the CC part of process human eye.Because light can make the light beam of each pixel attenuate when the small holes, by controlling the diameter of aperture, beam diameter when can controlling light and arrive eyes, controls it and is no more than 1mm.One group of light that second condition is a pixel is parallel.Light sends from display unit 2, first passes through object lens 3 and aperture, then enters eyes through eyepiece 5, and light, through small holes and eyepiece 5, makes each light beam finally beat the CC to human eye, and light makes each light beam be directional light through object lens 3 and eyepiece 5.What the first catoptron 4 and the second catoptron 6 played is the transmission direction that changes light, makes head-mounted display compact conformation.
The formula of two conditions in this technology is expressed as follows:
As Fig. 3, the focal length that makes eyepiece 5 is f1, and the focal length of object lens 3 is f2, and the distance of eyes and eyepiece 5 is L1, and object lens 3 are L2 with the distance of eyepiece 5, and object lens 3 are L3 with the distance of display unit 2.In order to meet first condition, the distance L 1 of eyes and eyepiece 5, and object lens 3 is answered coincidence formula with the distance L 2 of eyepiece 5
restriction.
In order to meet second condition, object lens 3 are answered coincidence formula with the distance L 3 of display unit 2
restriction.
Even if above-mentioned two conditions only meet one of them, still can improve display effect, if two all meet, reach optimal display result.
The present invention can be used for various head mounted displays, the transformation including Google's glasses and distortion.Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is limited by claims and equivalent thereof.
Claims (5)
1. be convenient to the head mounted display that ametropia patient uses, comprise mirror holder, display unit and optics module, it is characterized in that: described display unit is arranged on described mirror holder top; Described optics module is for projecting the image of described display unit user's eyes, it comprises eyepiece, object lens, the first catoptron and the second catoptron, described object lens are between described display unit and the first catoptron, and described eyepiece is between described the first catoptron and the second catoptron; Described object lens front side or rear side are provided with is with foraminate opaque baffle plate or catch, described the first catoptron for by through the light reflection of described aperture to described eyepiece, described eyepiece focus on described light and by described the second catoptron by described light reflection to eyes place.
2. be a kind ofly according to claim 1 convenient to the head mounted display that ametropia patient uses, it is characterized in that: the focal length that makes described eyepiece is (f1), the distance of eyes and described eyepiece is (L1), the distance of described object lens and described eyepiece is (L2), the distance of eyes and described eyepiece (L1), and the distance of described object lens and described eyepiece (L2) is answered coincidence formula
restriction.
3. according to a kind of head mounted display of being convenient to ametropia patient's use described in claim 1 or 2 any one, it is characterized in that: the focal length that makes described object lens is (f2), the distance of described object lens and described display unit is (L3), and the distance of described object lens and described display unit (L3) is answered coincidence formula
restriction.
4. be a kind ofly according to claim 1 convenient to the head mounted display that ametropia patient uses, it is characterized in that: the aperture on described opaque baffle plate or catch is corresponding with the center of described display unit.
5. be a kind ofly according to claim 4 convenient to the head mounted display that ametropia patient uses, it is characterized in that: the quantity of described aperture is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322366.0A CN104076515A (en) | 2014-07-08 | 2014-07-08 | Head-mounted displayer conveniently used by ametropia patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322366.0A CN104076515A (en) | 2014-07-08 | 2014-07-08 | Head-mounted displayer conveniently used by ametropia patient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104076515A true CN104076515A (en) | 2014-10-01 |
Family
ID=51597880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410322366.0A Pending CN104076515A (en) | 2014-07-08 | 2014-07-08 | Head-mounted displayer conveniently used by ametropia patient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104076515A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105068251A (en) * | 2015-09-01 | 2015-11-18 | 上海科沁机电有限公司 | Embedded 3D head mount display |
| US9690097B2 (en) | 2015-07-13 | 2017-06-27 | Shenzhen Dlodlo Technologies Co., Ltd. | Short-distance optical amplification module and near-eye display optical module using the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329448A (en) * | 2008-08-04 | 2008-12-24 | 深圳市亿思达显示科技有限公司 | Transparent glasses television |
| CN102099725A (en) * | 2008-08-13 | 2011-06-15 | 浦项工科大学校产学协力团 | Head-mounted display |
| CN102169232A (en) * | 2011-05-23 | 2011-08-31 | 华北电力大学（保定） | Double-spectrum helmet display system |
| US20130135747A1 (en) * | 2011-11-24 | 2013-05-30 | Seiko Epson Corporation | Half mirror and image display apparatus |
| CN204374515U (en) * | 2014-07-08 | 2015-06-03 | 刘书戬 | A kind of head mounted display be convenient to ametropia patient and used |
-
2014
- 2014-07-08 CN CN201410322366.0A patent/CN104076515A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329448A (en) * | 2008-08-04 | 2008-12-24 | 深圳市亿思达显示科技有限公司 | Transparent glasses television |
| CN102099725A (en) * | 2008-08-13 | 2011-06-15 | 浦项工科大学校产学协力团 | Head-mounted display |
| CN102169232A (en) * | 2011-05-23 | 2011-08-31 | 华北电力大学（保定） | Double-spectrum helmet display system |
| US20130135747A1 (en) * | 2011-11-24 | 2013-05-30 | Seiko Epson Corporation | Half mirror and image display apparatus |
| CN204374515U (en) * | 2014-07-08 | 2015-06-03 | 刘书戬 | A kind of head mounted display be convenient to ametropia patient and used |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9690097B2 (en) | 2015-07-13 | 2017-06-27 | Shenzhen Dlodlo Technologies Co., Ltd. | Short-distance optical amplification module and near-eye display optical module using the same |
| US9759915B2 (en) | 2015-07-13 | 2017-09-12 | Shenzhen Dlodlo Technologies Co., Ltd. | Short-distance optical amplification module and near-eye display optical module using the same |
| CN105068251A (en) * | 2015-09-01 | 2015-11-18 | 上海科沁机电有限公司 | Embedded 3D head mount display |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2910111B2 (en) | Eyeglass-type retina direct display | |
| CN104808342B (en) | The optical lens structure of the wearable virtual implementing helmet of three-dimensional scenic is presented | |
| CN103995355B (en) | The optical system of a kind of adjustable diopter for Helmet Mounted Display | |
| EP1544665A1 (en) | Image display device | |
| JP6549144B2 (en) | Vision inspection apparatus and head mounted display | |
| KR101632156B1 (en) | Calibration lens can be seen ultra short distance | |
| JP6479842B2 (en) | Visual inspection device and head-mounted display device | |
| US10365502B2 (en) | Prescription lenses for smart eyewear | |
| JP5137644B2 (en) | Eyeglass-type image display device | |
| JP2005538413A (en) | Dual bifocal intraocular lens for use in reduced vision-spectacle telescope | |
| CN101939687B (en) | Telescopic spectacles | |
| JP2004537068A (en) | Bifocal telephoto lens system embedded in eyeglass lens | |
| CN204374515U (en) | A kind of head mounted display be convenient to ametropia patient and used | |
| CN106054390A (en) | Display device and head-mounted device using the same | |
| CN104076515A (en) | Head-mounted displayer conveniently used by ametropia patient | |
| CN218917840U (en) | Defocused display glasses | |
| US4772113A (en) | Low vision eye glasses | |
| CN110749997A (en) | AR display device | |
| JP3556306B2 (en) | Video display device | |
| JP4626072B2 (en) | Video observation device | |
| KR101490778B1 (en) | Calibration lens can be seen ultra short distance and device thereof | |
| CN208823366U (en) | 2D myopia prevention number glasses | |
| EP3631568B1 (en) | Eyepiece for a personal display and personal display comprising such eyepiece | |
| JP2007219462A (en) | Ready-made reading glasses | |
| KR101511010B1 (en) | Correction lens device for viewing the very short distance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |