CN203930212U - Virtual image display apparatus - Google Patents

Abstract

The utility model provides a kind of virtual image display apparatus, and it is also easily worn for glasses user.Owing to supporting the nose support part (40) of use, be fixed on frame portion (102), and be configured in not the position interfering with the spectacles nose holder (9d) that is arranged at glasses (9), therefore the observer who has on glasses (9) can wear virtual image display apparatus (100) on the basis of glasses, can not observe well faintly the image being formed by image display element (image element) (82).In addition, nose support part (40) has the resin portion (40b) of arbor (40a) and coated arbor, can improve thus nose support part (40) shape degree of freedom and improve its intensity, therefore can configure nose support part (40) in joint space-efficient mode, thereby guarantee and the coexisting of glasses (9).

Description

Virtual image display apparatus

Technical field

The utility model relates to the virtual image display apparatus of presenting to observer using image as the virtual image, is particularly suitable for being worn on the virtual image display apparatus of head mounted display of observer's head.

Background technology

As the optical system of installing, propose there are various structures (such as with reference to patent documentation 1,2 etc.) in being worn on the virtual image display apparatus such as the head mounted display of observer's head (below also referred to as HMD).

About virtual image display apparatus such as HMD, expectation miniaturization and lightweight are made progress, and realize wide-angle in the situation that not reducing image quality.In addition, if observer's the visual field is covered completely, and become the state that only can see image light, observer cannot judge extraneous state, can bring uneasiness.It would be better to by the external world and image overlap are got up to observe, produce the so new purposes of virtual reality.Therefore, expectation realizes the display that overlapping image light shows in the situation that not hindering the extraneous visual field.In addition, in order to improve observer's the sense of wearing, and make the pattern of appearance better, general expectation approaches the form of glasses.

In view of above situation, consider: for example by observer with the guiding device that configures of mode of perspective (see-through), form virtual image display apparatus at the moment, via the guiding device of described Clairvoyant type, the image light from image-displaying member is guided to observer's eyes.In this virtual image display apparatus, guiding device need to be bearing at the moment, for example there is such structure: a pair of image displaying part that comprises respectively image light generating apparatus and light guide plate is fixed on to bonded block, this bonded block is fixed on to the behind (with reference to patent documentation 1) of the framework that is similar to frame.

But, in the virtual image display apparatus of recording in patent documentation 1 grade, do not consider the observer of wearing spectacles.That is, not take glasses are configured between light guide plate and eyes is prerequisite, and light guide plate likely interferes with eyeglass or the nose support of glasses.

Patent documentation 1: TOHKEMY 2011-2753 communique

Patent documentation 2: TOHKEMY 2010-145859 communique

Utility model content

The utility model completes in view of the aforementioned technical background, and its object is to provide a kind of virtual image display apparatus of also easily wearing for glasses user.

To achieve these goals, virtual image display apparatus of the present utility model possesses: image element; Optics, it is configured in observer at the moment, and makes the eyes towards observer from the light of image element, makes observer's eyes visual to image; Frame portion, its supporting image element and optics, and described frame portion is wearing the inner space that is formed for configuring glasses under state; And nose support part, it has the resin portion of arbor and coated this arbor, and described nose support part is fixed on frame portion and is configured in not the position interfering with the spectacles nose holder that is arranged at glasses, and described nose support part is by coming supporting frame portion with nose butt.

According to above-mentioned virtual image display apparatus, due to the nose support part of supporting use is fixed on to frame portion and is configured in not the position interfering with the spectacles nose holder that is arranged at glasses, therefore the observer who has on glasses can wear virtual image display apparatus on the basis of glasses, can not observe well faintly the image being formed by image element.In addition, nose support part has the resin portion of arbor and coated arbor, can improve thus nose support part shape degree of freedom and improve its intensity, therefore can configure nose support part in joint space-efficient mode, thereby guarantee and the coexisting of glasses.

According to concrete one side of the present utility model, in above-mentioned virtual image display apparatus, arbor is formed by metal material that can plastic yield.Now, by nose support part is appropriately out of shape, can make it easily be suitable for each wearer's face.

According on the other hand of the present utility model, frame portion is fixed on by screw threads for fastening in nose support part.Now, the replacing of nose support part can be carried out, thereby adaptability can be further improved.

According on the other hand of the present utility model, nose support part has holder portion in the lower end of the parts of upper downward-extension.Now, can adjust by the parts of upper downward-extension the height of holder portion.

According on the other hand of the present utility model, holder portion is configured in than the spectacles nose holder position of side on the lower.Because spectacles nose holder is generally configured between two, so the holder portion of virtual image display apparatus is connected to the position corresponding with the bottom of nasal bone and is supported.

According to another aspect of the present utility model, frame portion has: framework, its supporting optical parts; With protection portion, it is fixed on a part for framework and protection optics.Now, can protect by framework and protection portion a part or the integral body of the surrounding of optics.

According to another aspect of the present utility model, the join domain of framework and protection portion is fixed in nose support part.Now, can easily guarantee for the fixing space of nose support part, and the root of nose support part is unobvious yet.

According to another aspect of the present utility model, framework has the face portion of linearly extension, and protection portion is configured in the below of framework to clip the mode of optics, and described protection portion has the connecting portion of the V word shape being connected with the central portion of face portion in central authorities.Now, between the connecting portion of the word of falling V shape and the face portion of framework, be formed with the bight of inverted triangle, can utilize by the fixed position using this bight as nose support part.

According to another aspect of the present utility model, virtual image display apparatus also possesses from frame portion and extends out and be supported on a pair of pin silk portion of ear.Now, frame portion is bearing in observer at the moment by pin silk portion and nose support part, and virtual image display apparatus has adopted the form of very similar glasses.

According to another aspect of the present utility model, optics has the guiding device of optics bulk or prism-like, described guiding device has transmitance, and described guiding device reflects and guide to observer's eyes to the light of the image of the image display element from as image element in inside.Now, by form intermediary image in guiding device, observe image, can avoid the maximization of image display element etc., and can improve the configuration degree of freedom of image display element etc.

According to another aspect of the present utility model, guiding device has: light guide member, the perspective that it carries out leaded light and can realize extraneous light the light of image; And light transmission department part, itself and this light guide member is connected, for supplementing the perspective function of extraneous light.Now, can make guiding device become the shape of the eyeglass portion of approximate glasses, therefore can make the visual field good, but also can improve the degree of freedom of outward appearance.

According to another aspect of the present utility model, image element penetrates the flashlight carry out two-dimensional scan, and optics reflects the light from image display element and guides to observer's eyes.

Accompanying drawing explanation

Fig. 1 is the stereographic map of outward appearance of the virtual image display apparatus of explanation the 1st embodiment of the present utility model.

Fig. 2 A is the stereographic map that the whole positive side of virtual image display apparatus is shown, and Fig. 2 B is the stereographic map that the whole dorsal part of virtual image display apparatus is shown, and Fig. 2 C is the rear view of virtual image display apparatus.

Fig. 3 A and Fig. 3 B are about the decomposed stereographic map of the positive side of virtual image display apparatus and decomposed front view, and Fig. 3 C and Fig. 3 D are about the decomposed stereographic map of the dorsal part of virtual image display apparatus and decomposed rear view.

The vertical view cutaway drawing of the virtual image display apparatus of the state of Fig. 4 after to be explanation unload auxiliary installing component etc.

Fig. 5 illustrates for the structure of the 1st display device in virtual image display apparatus being described and the stereographic map of state after exterior member etc. is unloaded.

Fig. 6 A is the figure that the AA cross section of the virtual image display apparatus shown in Fig. 2 C is shown, and Fig. 6 B is the figure that the BB cross section of virtual image display apparatus is shown.

Fig. 7 amplifies a part of Fig. 6 A to illustrate the amplification view of installment state.

Fig. 8 A, Fig. 8 B, Fig. 8 C, Fig. 8 D are the figure of the configuration relation of explanation nose support part, protection portion, auxiliary installing component etc., and wherein, Fig. 8 B, Fig. 8 C, Fig. 8 D are CC, the DD of central portion and the figure in EE cross section shown in difference conceptual illustration Fig. 8 A.

Fig. 9 A and Fig. 9 B are the stereographic maps that explanation is arranged on the 1st guiding device of display device or the outward appearance of optics.

Figure 10 A and Figure 10 B are that the light guide member of explanation in virtual image display apparatus and projection lens are to the exploded perspective view of the fixing means of framework.

Figure 11 is that explanation nose support part etc. is to the three-dimensional concept map of the fixing means of framework.

Figure 12 be form virtual image display apparatus the 1st display device, about the cut-open view of the laterally zygomorphic plane of symmetry.

Figure 13 is the figure of the virtual image display apparatus of explanation variation.

Label declaration

A0: peripheral part; AX1-AX5: optical axis; AXO: emitting side optical axis; EY: eyes; GL: image light; OI: image planes; RM: optical reflection film; The 6th of S11-S16: 1-; S51-S53: 1-the 3rd transmission plane; 10: light guide member; 10g: installation portion; 11: the 1 light guide; 12: the 2 light guide; 15: half-reflecting mirror layer; 20: guiding device; 30: projection lens; 39: lens barrel; 39a: engaging part; 39g: installation portion; 50: light transmission department part; 61e: fixed part; 61f: fixed part; 61x: boss hole; 65a, 65b: end, side; 68e: abutment face; 70: projection arrangement for perspective; 80: image display device; 81: lighting device; 82: image display element; 84: drive control part; 100: virtual image display apparatus; 100A: the 1st display device; 100B: the 2nd display device; 101a: the 1st optics; 101b: the 2nd optics; 102: frame portion; 107: framework; 107a: face portion; 104: pin silk portion; 105a: the 1st picture forms main part; 105b: the 2nd picture forms main part; 105d: exterior member; 105i: recess; 108: protection portion; 108g: connecting portion; 108i: terminal part; 3: auxiliary installing component; 3a: edge; 3b: bridge portion; 3d: vision correction lens; 3h: linking part; 4: cap assembly; 4h: linking part; 8: support; 9: glasses; 9d: spectacles nose holder; 40: nose support part (nose is subject to portion); 40a: arbor (core gold); 40b: resin portion; 41: adjustment component; 42: holder portion; 43: portion is fixed.

Embodiment

(the 1st embodiment)

Below, with reference to Fig. 1 etc., the 1st embodiment of virtual image display apparatus of the present utility model is elaborated.

As shown in Figure 1, the virtual image display apparatus 100 of present embodiment is the head mounted display with the such outward appearance of glasses, for the observer or the user that have worn this virtual image display apparatus 100, can the visual image light to being formed by the virtual image, and observer can have an X-rayed visual or observe extraneous picture.

Virtual image display apparatus 100 possesses: the main body 2 that forms main outward appearance; Be configured in the auxiliary installing component 3 of the dorsal part of main body 2; And the cap assembly 4 that is configured in the positive side of main body 2.Wherein, main body 2 is the parts that possess virtual image display apparatus 100 necessary optical components, by the auxiliary installing component 3 shown in imaginary line and cap assembly 4, can be used as accessory arbitrarily, with respect to main body 2, loads and unloads at any time.

Main body 2 in virtual image display apparatus 100 possesses: the 1st and the 2nd optics 101a, 101b, and it covers observer at the moment in the mode that can have an X-rayed; Frame portion 102, it supports two optics 101a, 101b; And the 1st and the 2nd picture form main part 105a, 105b, it is additional to from the two ends, left and right of frame portion 102 to the part of the pin silk portion (shank divides) 104 at rear.Here, on accompanying drawing, by the 1st optics 101a in left side and the 1st picture, forming the 1st display device 100A that main part 105a combines is the part that forms the virtual image that right eye uses, and also can as virtual image display apparatus, bring into play function separately.In addition, on accompanying drawing, by the 2nd optics 101b on right side and the 2nd picture, forming the 2nd display device 100B that main part 105b combines is the part that forms the virtual image that left eye uses, and also can as virtual image display apparatus, bring into play function separately.

Fig. 2 A is the stereographic map of outward appearance of the positive side of explanation virtual image display apparatus 100, and Fig. 2 B is the stereographic map of outward appearance of the dorsal part of explanation virtual image display apparatus 100, and Fig. 2 C is the rear view of virtual image display apparatus 100.Fig. 3 A and Fig. 3 B are stereographic map and the front views that the positive side after virtual image display apparatus 100 is partly decomposed is shown, and Fig. 3 C and Fig. 3 D are exploded perspective view and the rear views that the dorsal part after virtual image display apparatus 100 is partly decomposed is shown.Fig. 4 is the cut-open view of overlooking of virtual image display apparatus 100.

As shown in the figure, the frame portion 102 being arranged in the main body 2 of virtual image display apparatus 100 possesses: the framework 107 as roof beam structure portion that is configured in upside; With the protection portion 108 that is configured in downside.In frame portion 102, the framework (roof beam structure portion) the 107th of the upside shown in Fig. 2 A etc., becomes the elongated plate-shaped member of U-shaped in the inner bending of XZ face, and framework 107 possesses: the face portion 107a extending along horizontal (directions X) of left and right; And a pair of side surface part 107b, the 107c that along the depth direction (Z direction) of front and back, extend.Framework 107 is that face portion 107a and side surface part 107b, 107c are the metal body components being formed by aluminium diecasting or other various metal materials.The width of the depth direction of face portion 107a (Z direction) is thicker than thickness or the width with the 1st and the 2nd optics 101a, guiding device 20 that 101b is corresponding fully.Left side side at framework 107, be specially is end, side 65a at face portion 107a from left part to the part of side surface part 107b, it is aligned with each other and by screw threads for fastening and directly fixing that the 1st optics 101a and the 1st picture form main part 105a, thereby be supported on this.In addition, right side side at framework 107, be specially face portion 107a from right part to the part of side surface part 107c, be end, side 65b, it is aligned with each other and by screw threads for fastening and directly fixing that the 2nd optics 101b and the 2nd picture form main part 105b, thereby be supported on this.In addition, the 1st optics 101a and the 1st picture form main part 105a and pass through chimeric and mutually aim at, and the 2nd optics 101b and the 2nd picture form main part 105b by chimeric mutual aligning.

Protection portion 108 shown in Fig. 2 C etc. is parts of lower edge (under rim) shape, and its configuration is also fixed on the below of framework 107.The central portion CR1 of protection portion 108 (with reference to Fig. 3 B) has the connecting portion 108g that is positioned at join domain, and connecting portion 108g is fixed on the central portion 107g (with reference to Fig. 2 A etc.) of framework 107 by chimeric and screw threads for fastening.Protection portion 108 is the elongated tabular parts that are bent into crank (crank) shape of 2 sections, and it is integrally formed by metal material or resin material.The connecting portion of protection portion 108 (join domain) 108g has the profile of the word of falling V shape, therefore, forms the bight 6 (with reference to Fig. 1) of a pair of inverted triangle between connecting portion 108g and the face portion 107a of framework 107.This bight 6 is below being described in detail, and it can be as utilizing with the support 8 of the fixing auxiliary installing component 3 of mode and cap assembly 4 removably.The width of the depth direction of protection portion 108 (Z direction) is roughly thickness or the width of guiding device 20.The 1st terminal part 108i of protection portion 108 forms main part 105a by chimeric the 1st picture that is fixed on, and the 2nd terminal part 108j of protection portion 108 forms main part 105b by chimeric the 2nd picture that is fixed on.More specifically, as shown in Figure 2 C, the 1st terminal part 108i of protection portion 108 is fixed with the chimeric state of the recess 105i that is arranged at exterior part 105e in the hood-like exterior member 105d with covering the 1st picture formation main part 105a.And the 2nd terminal part 108j of protection portion 108 is fixed with the chimeric state of the recess 105j that is arranged at exterior part 105e in the hood-like exterior member 105d with covering the 2nd picture formation main part 105b.

Framework 107 not only supports the 1st and the 2nd picture and forms main part 105a, 105b, and has the effect that cooperates to protect the 1st and the 2nd inside as formation main part 105a, 105b with exterior member 105d.Framework 107 also has the effect that protection and the 1st and the 2nd picture form the top portion of main part 105a, the 1st and the 2nd optics 101a, 101b that 105b is connected or guiding device 20.Protection portion 108 has side portion, the effect of portion below of each optics of protection 101a, 101b or guiding device 20.Particularly, protection portion 108 protection the 1st and the 2nd picture forms and in peripheral part A0 of root portion (or the ellipticity shown in Fig. 5 or guiding device 20) of main part 105a, 105b, approaches the side portion of inner side of nose and the following portion of downside and avoid the damage that the various objects because of the surrounding under environment for use cause.; if framework 107 and protection portion 108 have enough intensity; even if virtual image display apparatus 100 and other object around bump etc.; also can form in main part 105a, 105b and the 1st and the 2nd optics 101a, 101b at the 1st and the 2nd picture; particularly, in the guiding device 20 exposing, reduce the possibility that produces damage or dislocation.In addition,, even if the such brute force from any direction of situation about falling for virtual image display apparatus 100 is impacted, also can improve the permanance of virtual image display apparatus 100.

Elliptoid peripheral part A0 except forming with the 1st and the 2nd picture the root side that main part 105a, 105b link of protection portion 108 and guiding device 20 is separated or slowly contact.In addition also or slowly contact separated with the face portion 107a of framework (roof beam structure portion) 107 of peripheral part A0 of guiding device 20.Like this, the 1st and the 2nd optics 101a, 101b or guiding device 20 approach framework 107 and protection portion 108 at peripheral part A0 place of the C word shape except root side, but are not fixed on framework 107 and protection portion 108.Therefore, though central guiding device 20 and comprise framework 107 and the frame portion 102 of protection portion 108 between there is the poor of coefficient of thermal expansion, also allow the expansion of guiding device 20 in frame portion 102, thereby can prevent that guiding device 20 from producing distortion, distortion and damaged.

As shown in Figure 5, can see, the 1st display device 100A possesses: the projection arrangement for perspective 70 of the optical system of using as projection; With the image display device 80 that forms image light.Projection arrangement for perspective 70 have using by the 1st picture, is formed image that main part 105a forms as the virtual image project observer in effect.Projection arrangement for perspective 70 possesses the light guide member 10 of leaded light and perspective use, the light transmission department part 50 of perspective use and the projection lens 30 that imaging is used.That is, the 1st optics 101a or guiding device 20 consist of light guide member 10 and light transmission department part 50, and the 1st picture forms main part 105a and consists of image display device 80 and projection lens 30.

Below, with reference to Fig. 6 A and Fig. 7 etc., the nose support part 40 being arranged at incidentally on the framework (roof beam structure portion) 107 of frame portion 102 is described.Framework 107 is fixed in nose support part 40, and has the effect that comes supporting frame portion 102 by the nose butt with observer.That is, frame portion 102 by a pair of pin silk portion 104 that is supported on the nose support part 40 of nose and is supported on ear be configured in observer in face of.Structure and frame that these frame portions 102, nose support part 40 and pin silk portion 104 combine are similar in appearance, can realize the sense of wearing of similar glasses.

The central portion 107g of face portion 107a of the framework 107 of the upside that forms frame portion 102 is fixed in nose support part 40 by screw threads for fastening, and extends downwards.Nose support part 40 has: the portion that is fixed 43 of central upper; The a pair of length adjustment parts 41 of upper downward-extension; And the holder portion 42 that is formed at the end of adjustment component 41.The portion 43 that is fixed is for by the stable part that is fixed on framework 107 in nose support part 40.In the portion of being fixed 43; the arbor 40a that exposes of part is sandwiched in the central portion 107g of framework 107 and is arranged between the top CH of connecting portion (join domain) 108g of protection portion 108, by being screwed into screw 107s in the threaded hole 107r of face portion 107a fastening being fixed together jointly.Length adjustment parts 41 have the effect at the interval, height and position etc. of adjusting holder portion 42.A pair of length adjustment parts 41 towards end side with angle θ 1 expansion (with reference to Fig. 2 C etc.), thereby limit the interval of a pair of holder portion 42.In addition, the tip of the axis of length adjustment parts 41 is side-prominent to observer, and with respect to vertical Z direction, has the inclination of angle θ 2.Holder portion 42 is the parts with observer's nose NO butt, and it, can make with the contact area of nose NO as to greatest extent along flat expansion in the direction of the side of nose NO roughly.

Nose support part 40 possesses: as the arbor 40a with flexible sheet metal; Resin portion 40b with coated arbor 40a.Arbor 40a for example, is formed by metal material (SUS) that can plastic yield.Thus, by making the modes such as length adjustment parts 41 bendings of nose support part 40, can make the permanent distortion of its shape, thereby can coincide with height and the shape of observer's nose.Particularly, by angle θ 1 being changed adjust the interval of a pair of holder portion 42, can adjust observer's nose NO with respect to the embedding state of nose support part 40.In addition, by reversing holder portion 42, make its distortion, can also improve the applicable sense to nose NO.In addition, the resin portion 40b of the holder portion 42 of nose support part 40 has certain elasticity, under the certain flexible effect having, produces in the horizontal micro-displacement at arbor 40a, and therefore, it flexibly contacts with observer's nose NO, has improved and has worn sense.Like this, shape and the contact condition of nose support part 40 adjusted in distortion that can be by length adjustment parts 41 etc., thus, can take into account and framework 107 or guiding device 20 are finely tuned with respect to the height and distance of eye E Y wearing sense, thereby person's hobby be worn virtual image display apparatus 100 according to the observation.

In addition, can also change nose support part 40 by unclamping screw 107s.Also there is the limit in the adjustment of implementing by length adjustment parts 41, and by changing nose support part 40, can expand the setting range of nose support part 40.

The nasal bone NB of 42 observed persons' of holder portion of nose support part 40 nose NO supports with sufficient area, can make the supporting of guiding device 20 stable, has reduced the burden to nose NO.That is,, by the nose support part 40 of above-mentioned structure, wearing of virtual image display apparatus 100 is relative comfort.But the holder portion 42 of nose support part 40 is bearing in the position of the bottom that is equivalent to nasal bone NB, has avoided and be bearing in the interference between the spectacles nose holder 9d on top of the nasal bone NB that approaches glabella, thereby can coexist with the glasses 9 that possess spectacles nose holder 9d.

Below, with reference to Fig. 3 A～Fig. 3 D etc., the auxiliary installing component 3 that the mode loading and unloading is fixed on to main body 2 describes.Auxiliary installing component 3 is configured in inner space IS (with reference to Fig. 4), and inner space IS is formed between frame portion 102 or framework (roof beam structure portion) 107 and observer's face.Auxiliary installing component 3 possesses the inner frame 3z with the frame shape of the contour correspondence being combined by a pair of optics 101a, 101b.Inner frame 3z is formed by resin material, and it has and the similar profile of glasses.Inner frame 3z possesses the edge 3a of a pair of ring-type and links the 3b of bridge portion of two edge 3a.Inner frame 3z has symmetrical shape, is provided with the linking part 3h of (snap fit) type that is clasped on the 3b of bridge portion of central portion CR2 that is disposed at inner frame 3z, and linking part 3h is chimeric with the support 8 that is arranged on protection portion 108.Linking part 3h has a pair of projection 3e, at the end of each projection 3e, is formed with pawl 3f inwardly.The a pair of pawl 3f of linking part 3h engages with the recess 8v of a pair of groove shape, and this recess 8v is formed on gap PQ (with reference to Fig. 1) side of the connecting portion 108g that is arranged at protection portion 108.Here, a pair of projection 3e that a pair of pawl 3f is bearing in to end is flexible because material has, and increases and decreases the lateral separation of two pawl 3f by applying appropriate stress, pawl 3f can be unloaded from recess 8v.Consequently; by the linking part 3h of inner frame 3z is aimed at the support 8 of protection portion 108; and the 3b of bridge portion is pressed to support 8 sides; thus; the projection 3e of linking part 3h enters into gap PQ; to clip the mode of support 8 by linking part 3h, make both chimeric, thereby inner frame 3z is fixed in protection portion 108.On the contrary, by pulling the 3b of bridge portion of inner frame 3z, it is left from support 8, thus, linking part 3h departs from from support 8, being fixedly disengaged of inner frame 3z and from 108 separation of protection portion.That is, can load and unload freely inner frame 3z or auxiliary installing component 3 by enough hands.

Auxiliary installing component 3 or inner frame 3z are relative light weights, they are bearing in central linking part 3h to be configured in the mode of support 8 suspention of the superjacent air space of nose NO, therefore, can make auxiliary installing component 3 left and right balances and be fixed with stable state.In addition, because inner frame 3z is along frame portion 102 configuration, therefore can improve the one sense with main body 2, guarantee dexterous outward appearance.In addition, the linking part 3h that is arranged at inner frame 3z is incorporated in the profile of the 3b of bridge portion from fore-and-aft observing, and along the connecting portion 108g of framework 107, therefore, even unobvious during from the top view of main body 2 yet.And even if will assist installing component 3 to unload, the support 8 that is arranged at connecting portion 108g is unobvious in appearance yet.

In the edge of inner frame 3z, 3a is fixed with vision correction lens 3d.Vision correction lens 3d can be the eyeglass that is applicable to observer's eyesight, and observer can observe through vision correction and to defocused image clearly.In addition, the in the situation that of present embodiment, forms the virtual image that main part 105a, 105b form be present in unlimited distance by the 1st and the 2nd picture, near-sighted observer can be across assisting the vision correction lens 3d etc. of installing component 3 to observe defocused image.By preparing a plurality of auxiliary installing components 3 and changing auxiliary installing component 3, can make virtual image display apparatus 100 be suitable for a plurality of observers that eyesight is different.Especially, the optical axis interval of a pair of vision correction lens 3d is not limited to and the 1st and the 2nd interval matching as the optical axis interval that forms main part 105a, 105b, and can be the same with glasses when being fixed on inner frame 3z, match with user's the wide or interpupillary distance of eye, therefore, can observe good image and extraneous picture.Like this, by carrying out the vision correction of the individual vision prescription based on client, the audiovisual of the image safety that becomes.In addition, generally expect that the optical axis interval of a pair of vision correction lens 3d and the difference at the optical axis interval that the 1st and the 2nd picture forms main part 105a, 105b are below 10mm.

For the vision correction lens 3d that is fixed on inner frame 3z, except antiultraviolet, anti-blue light, can also increase dim light, the sunglasses function such as painted.Vision correction lens 3d can replace with does not have the flat board number of degrees, light transmission.Now, auxiliary installing component 3 for ambient light as performance functions such as simple sunglassess.In addition, vision correction lens 3d can also be for changing the eyeglass of adjusting the number of degrees.Now, even in the situation that a plurality of clients share virtual image display apparatus 100, also can observe simply good image.

In addition, auxiliary installing component 3 is configured in the position in the inner part than frame portion 102.Therefore,, between optics 101a, 101b and observer's eye E Y, need to form certain above interval.That is, adorning oneself with the wearing in state of virtual image display apparatus 100, between optics 101a, 101b or frame portion 102 and observer's eye E Y, be formed with for configuring the inner space IS (with reference to Fig. 4) of auxiliary installing component 3.This inner space IS is stratiform expansion along optics 101a, 101b.By inner space IS is guaranteed comparatively broadly, can make allowances in the space of inserting auxiliary installing component 3, but produced on the other hand following tendency: when the interval between eye E Y and optics 101a, 101b expands, can feel that the visual angle that the virtual image shows narrows down, it is heavy that optics 101a, 101b become.Therefore, for inner space IS, the thickness attenuation of the Z direction before and after making as much as possible when being desirably in the configuration space of guaranteeing auxiliary installing component 3.As shown in Figure 8 C, inner space IS can also be as replacing auxiliary installing component 3 for configuring the space of glasses 9.That is, the observer of wearing spectacles 9, by assisting installing component 3 to unload from virtual image display apparatus 100, can wear virtual image display apparatus 100 under the state that adorns oneself with glasses 9.Now, inner space IS has and can take in the such thickness of more various shape of glasses or size.In addition the observer who, glasses 9 is taken off wears the virtual image display apparatus 100 that auxiliary installing component 3 is installed.

Below, with reference to Fig. 2 A and Fig. 8 B etc., to usining the cap assembly 4 as shade that the mode that can load and unload is fixed on main body 2, describe.Cap assembly (shade) 4 has the profile of the contour correspondence combining with a pair of optics 101a, 101b, and from front side, covers two optics 101a, 101b.Cap assembly 4 is formed by resin material with light-proofness or light absorptive etc., and possesses: the 4a of pair of lenses portion that there is no the number of degrees; And pars intermedia 4b, it supports two 4a of eyeglass portion.At the pars intermedia 4b that is disposed at the central portion of cap assembly 4, be provided with the linking part 4h of snap-fit, linking part 4h is chimeric with the support 8 that is arranged on protection portion 108.Linking part 4h has a pair of projection 4e, at the end of each projection 4e, is formed with pawl 4f inwardly.The same with the linking part 3h of auxiliary installing component 3, a pair of pawl 4f of linking part 4h engages with the recess 8v of a pair of groove shape, and this recess 8v is formed on the gap PQ side of the connecting portion 108g that is arranged at protection portion 108.Here, a pair of projection 4e that a pair of pawl 4f is bearing in to end has flexible, increases and decreases the lateral separation of two pawl 4f by applying appropriate stress, can make pawl 4f depart from recess 4v.Consequently; by the linking part 4h of cap assembly 4 and the support 8 of protection portion 108 under the state before installing are aimed at; pars intermedia 4b is pressed to support 8 sides; thus; the projection 4e of linking part 4h enters into gap PQ; to clip the mode of support 8 by linking part 4h, make both chimeric, thereby cap assembly 4 is fixed in protection portion 108.On the contrary, the pars intermedia 4b of the cap assembly 4 under the state after installing by pulling makes it from support 8, leave, and thus, linking part 4h departs from from support 8, being fixedly disengaged of cap assembly 4 and from 108 separation of protection portion.That is, can load and unload freely cap assembly 4 by enough hands.

In the situation that cap assembly 4 being installed on to main body 2, can cut off or reduce external light, observer can clearly observe by the 1st and the 2nd picture and form the virtual image that main part 105a, 105b form.In addition, cap assembly 4 can load and unload independently with respect to auxiliary installing component 3.That is, can be in main body 2 only mounting cup parts 4 or auxiliary installing component 3, can also mounting cup parts 4 and auxiliary installing component 3 both sides.

Below, the configuration relation between the main body 2 of the virtual image display apparatus 100 of pie graph 1, cap assembly 4 and auxiliary installing component 3 is described.As the CC that is equivalent to Fig. 8 A is to looking as shown in Fig. 8 B of section; in the protection portion 108 of main body 2, in the mode that can not interfere, be fixed with cap assembly 4 and auxiliary installing component 3, nose support part 40 is configured to: it extends between a pair of edge 3a through being arranged on the front side of the linking part 3h of auxiliary installing component 3.As the DD that is equivalent to Fig. 8 A is to looking as shown in Fig. 8 C of section, to dispose auxiliary installing component 3 in inner side with guiding device 20 or the adjacent mode of optics 101a, 101b.That is, because adjustment component 41 is thinner, even thereby the auxiliary installing component 3 of configuration can not interfere with nose support part 40 yet.In addition, as described above, in the position of auxiliary installing component 3, can configure as shown in phantom in FIG. glasses 9 and replace auxiliary installing component 3.Now, the 9a of bridge portion of general glasses 9 and frame section 9b are configured in inner side in the mode adjacent with guiding device 20.In addition, for fear of interfering with glasses 9, spectacles nose holder 9d, the length adjustment parts of nose support part 40 41 grades are configured in than the position in glasses 9 and the forward side of spectacles nose holder 9d or the place ahead.Especially, because length adjustment parts 41 are thinner, and holder portion 42 is configured in to relative downside, therefore easily avoids the interference with spectacles nose holder 9d.As the EE that is equivalent to Fig. 8 A is to looking as shown in Fig. 8 D of section, the sectional dimension of the holder portion 42 of nose support part 40 is larger, but its with fully away from mode be configured in the inner side of a pair of edge 3a of inner frame 3z etc.

As shown in Fig. 9 A, Fig. 9 B, the guiding device 20 that light guide member 10 and light transmission department part 50 are interfixed and be integrally formed.Guiding device 20 is in inside, the light of image reflected and guide to observer's optics bulks eyes, light transmission or the parts of prism-like.The main part of being surrounded by peripheral part in guiding device 20 has elliptoid profile.Here, light transmission department part 50 with the end side with light guide member 10, be that the mode that links of the 1st light guide 11 of emitting side or light emitting side is along its extending direction configuration, and by having utilized the joint of bonding agent to be fixed on the 1st light guide 11.The guiding device 20 that light guide member 10 and light transmission department part 50 combine is equivalent to the 1st optics 101a in Fig. 1.As shown in Figure 6B, the upper avris that approaches framework 107 in peripheral part of guiding device (optics) 20 is formed with rib 10n, and rib 10n is embedded in the limit 107n of portion processed that is arranged on framework 107 lower surfaces.Due to the existence of the 1st rib 10n, limited the displacement of guiding device 20 on depth direction (Z direction).

Below, with reference to Figure 10 A, Figure 10 B etc., the 1st display device 100A is described to the assembling of framework 107.Form the installation portion 39g that mode that projection lens 30 that the 1st picture forms main part 105a utilizes to imbed its lens barrel 39 forms, be directly fixed on the 1st fixed part 61f of end, the side 65a that is arranged on framework 107.So fixedly time, the back side 68f of the 1st fixed part 61f realizes and aiming at the butts such as upper surface of installation portion 39g, by via threaded hole 61s, screw 61t being screwed into installation portion 39g, can fix reliably in mode removably.Now, make the boss hole 61x of framework 107 chimeric with the boss 39x that is arranged on lens barrel 39, thus the rotation of restriction lens barrel 39, and carry out the location about rotation.On the other hand, as guiding device 20 utilization of the 1st optics 101a, be formed at the installation portion 10g of the overshooting shape of its neck, and be directly fixed on the 2nd fixed part 61e of end, the side 65a that is arranged at framework 107.Installation portion 10g in the light incident side of guiding device 20 or the part of light incident side, be specially the boundary perimeter of the 1st light guide 11 and the 2nd light guide 12, in the mode of radiate out, erect setting.So fixedly time, the abutment face 68e that is arranged at the front part of the 2nd fixed part 61e realizes and aiming at the back side 10k butt of installation portion 10g, by screw 61v is screwed in threaded hole 61u through threaded hole 10u, can fix reliably in mode removably.In addition, the image display device 80 of Fig. 5 shown in waiting is fixed to be embedded in the mode of rear end of the lens barrel 39 of projection lens 30.

In guiding device 20, the terminal part 12j of the 2nd light guide 12 sides of light guide member 10 is chimeric with the front of lens barrel 39 and the rectangular box-like engaging part 39a of opening that are arranged on projection lens 30, thereby with the state being positioned, carries out engaging with respect to projection lens 30.That is,, when the light guide member 10 that is arranged at guiding device 20 is fixed on to the 2nd fixed part 61e of framework 107, the terminal part 12j of the 2nd light guide 12 sides is inserted in the engaging part 39a of lens barrel 39 in chimeric mode.Now, the side 12m of terminal part 12j realizes and aiming at the inside surface 39m butt of engaging part 39a., as Fig. 6 A, Fig. 7 etc. as shown in, utilize threaded hole 107r and its seat portion 107q around of the central portion 107g that be arranged at framework 107, protection portion 108 is fixed on to framework 107 thereafter.Now, as shown in Fig. 7,11, to clip the mode of the portion that is fixed 43 of nose support part 40 between central portion 107g and connecting portion 108g, fixedly nose support part 40.By above operation, can obtain the assembly (with reference to Fig. 3 A～Fig. 3 D etc.) of framework 107, projection arrangement for perspective 70 and protection portion 108.

As Fig. 2 A and Fig. 2 B etc. as shown in, exterior part 105e in exterior member 105d be fixed on to the assembly of framework 107 and projection arrangement for perspective 70 thereafter.Exterior part 105e is by being fixed with the chimeric of framework 107 and projection lens 30 and with respect to screw threads for fastening of the installation portion 39g of projection lens 30 etc.Now, by the terminal part 108i, the 108j that are fixed on the protection portion 108 on framework 107 chimeric be fixed to the recess 105i that is formed at exterior part 105e.Then, make inner part 105f be embedded in exterior part 105e, and be fixed on exterior part 105e by screw threads for fastening.Thus, in the space being clipped by inner part 105f and exterior part 105e, take in and form the 1st picture and form the projection lens 30 of main part 105a and root side, image display device 80 and the side surface part 107b of framework 107 of guiding device 20, a part of 107c.

Pin silk portion 104 is fixed in the 107t of hole, and hole 107t is arranged at the end (with reference to Figure 10 A etc.) of a pair of side surface part 107b, 107c set on framework 107.Pin silk portion 104 can have hinge structure with the linking part of side surface part 107b, 107c, and in this case, pin silk portion 104 can fold.

In addition, because the 2nd display device 100B shown in Fig. 1 has the structure same with the 1st display device 100A, be only that the 1st display device 100A is symmetrically overturn, therefore omit the explanation to the structure of the 2nd display device 100B, function and assembling etc.

With reference to Figure 12, the details of the function of projection arrangement for perspective 70 grades, action etc. is described.In projection arrangement for perspective 70, as the light guide member 10 of the part of guiding device 20, be along the circular-arc parts of face bending in overlooking.In light guide member 10, it is light emitting side that the 1st light guide 11 is configured in the center side that approaches nose, it has the 1st S11, the 2nd S12 and the 3rd S13 as the side with optical function, the perimeter sides that the 2nd light guide 12 is configured in away from nose is light incident side, and it has the 4th S14 and the 5th S15 as the side with optical function.Wherein, the 1st S11 and the 4th S14 be adjacency continuously, and the 3rd S13 and the 5th S15 be adjacency continuously.And, between the 1st S11 and the 3rd S13, dispose the 2nd S12, between the 4th S14 and the 5th S15 to form the mode adjacency of wide-angle.

In light guide member 10, the 1st S11 is the free form surface of axle centered by the emitting side optical axis AXO parallel with Z axis, the 2nd S12 be contained in the reference field parallel with XZ face (illustrated cross section) and the optical axis AX1 that tilts with respect to Z axis centered by the free form surface of axle, the 3rd S13 is the free form surface of axle centered by emitting side optical axis AXO.The 4th S14 is the free form surface of axle centered by parallel optical axis AX5, wherein, optical axis AX5 is contained in the said reference face parallel with XZ face and tilts a little with respect to 2 mean lines of a pair of optical axis AX3, AX4, described a pair of optical axis AX3, AX4 tilt with respect to Z axis, the 5th S15 be contained in the said reference face parallel with XZ face and 2 mean lines of a pair of optical axis AX4, the AX5 that tilt with respect to Z axis centered by the free form surface of axle.And, the 1st～5th above S11～S15 has and clips reference field (illustrated cross section) that optical axis AX1～AX5 etc. passes through and about the shape of the Y direction symmetry of vertical (or longitudinally), this reference field level (or laterally) is extended and be parallel with XZ face.

Main body 10s in light guide member 10 is formed by the resin material that shows high light transmission at visible range, for example, by inject thermoplastic resin curing mode in mould, carry out moulding.In addition, as the material of main body 10s, such as using cyclic olefin polymer etc.Main body 10s is formed as one part, but also can consider light guide member 10 to be divided into the 1st light guide 11 and the 2nd light guide 12.The 1st light guide 11 can realize guided wave and the ejaculation of image light GL, and can realize the perspective of ambient light HL.The 2nd light guide 12 can realize incident and the guided wave of image light GL.

In the 1st light guide 11, the 1st S11 is as image light GL being injected to the plane of refraction performance function outside the 1st light guide 11, and the fully reflecting surface performance function of total reflection is carried out in conduct to image light GL in inner surface side.The 1st S11 is configured in the front of eye E Y, and it forms concave with respect to observer.In addition, the 1st S11 is the face being formed by the surperficial hard overlay 27 that puts on main body 10s.

The 2nd S12 is the surface of main body 10s, on this surface, attaches and has half-reflecting mirror layer 15.This half-reflecting mirror layer 15 is the reflectance coatings (being transflective film) with light transmission.Half-reflecting mirror layer (transflective film) 15 is not formed on the integral body of the 2nd S12, and is formed on the PA of subregion, and this subregion PA is the narrow region (with reference to Fig. 9 A) of the main vertical direction along Y-axis on the 2nd S12.Half-reflecting mirror layer 15 is to go out metallic reflective coating or dielectric multilayer film forms by film forming on the subregion PA in the fundamental plane at main body 10s.From the viewpoint of easy fluoroscopic observation ambient light HL, half-reflecting mirror layer 15 is more than 10% below 50% of ranges of incidence angles of supposed image light GL for the reflectivity of image light GL.In specific embodiment, the reflectivity of 15 couples of image light GL of half-reflecting mirror layer is for example set as 20%, and the transmissivity of image light GL is for example set as to 80%.

The 3rd S13 is as in inner surface side, image light GL being carried out the fully reflecting surface performance function of total reflection.The 3rd S13 is configured in the front of eye E Y, and it is concave with respect to observer the samely with the 1st S11, and when observing ambient light HL by the 1st S11 and the 3rd S13, the number of degrees are roughly 0.In addition, the 3rd S13 is the face being formed by the surperficial hard overlay 27 that puts on main body 10s.

In the 2nd light guide 12, the 4th S14 is as in inner surface side, image light GL being carried out the fully reflecting surface performance function of total reflection.The 4th S14 is also as making image light GL incide the plane of refraction performance function in the 2nd light guide 12.In addition, the 4th S14 is the face being formed by the surperficial hard overlay 27 that puts on main body 10s.

In the 2nd light guide 12, the 5th S15 goes out by film forming on the surface at main body 10s the optical reflection film RM being formed by inorganic material to form, and it brings into play function as reflecting surface.

Light transmission department part 50 is fixing and become a guiding device 20 integratedly with light guide member 10 as described above.Light transmission department part 50 is parts (auxiliary optical module) of the perspective function of auxiliary light guide member 10, and it has the 1st transmission plane S51, the 2nd transmission plane S52 and the 3rd transmission plane S53 as the side with optical function.Between the 1st transmission plane S51 and the 3rd transmission plane S53, dispose the 2nd transmission plane S52 here.The 1st transmission plane S51 is positioned at the 1st S11 of light guide member 10 is extended on the curved surface forming, the 2nd transmission plane S52 engages and integrated curved surface with described the 2nd S12 by adhesive linkage CC, and the 3rd transmission plane S53 is positioned at the 3rd S13 of light guide member 10 extended on the curved surface forming.Wherein, the 2nd S12 of the 2nd transmission plane S52 and light guide member 10 be by by the joint of thin adhesive linkage CC and integrated, thereby have the roughly the same shape of curvature.

Light transmission department part (auxiliary optical module) 50 shows high light transmission at visible range, and the main part of light transmission department part 50 is formed by the thermoplastic resin material with the refractive index roughly the same with the main body 10s of light guide member 10.And light transmission department part 50 forms: after main part is engaged with the main body 10s of light guide member 10, carry out the film forming based on hard coating together with main body 10s under the state engaging.That is, light transmission department part 50 is the same with light guide member 10, is applied with hard overlay 27 on the surface of main part.The 1st transmission plane S51 and the 3rd transmission plane S53 are the faces being formed by the surperficial hard overlay 27 that is applied to main part.

Image display device 80 has: the lighting device 81 that penetrates illumination light; Image display element 82 as the spatial light modulating apparatus of transmission-type; And for controlling the drive control part 84 of the action of lighting device 81 and image display element 82.

The lighting device 81 of image display device 80 has: the light source (not shown) that produces the light that comprises three kinds of colors of red, green, blue; And the 81b of backlight light-guiding portion that makes to become from the light diffusion of this light source the light beam of square-section.Image display element 82 is the image elements that formed by for example liquid crystal display device, and it carries out spatial modulation to the illumination light from lighting device 81, thereby forms the image light that will become the demonstration objects such as dynamic image.Drive control part 84 possesses light source driving circuit 84a and liquid crystal display drive circuit 84b.Light source driving circuit 84a supplies with electric power to lighting device 81, thereby penetrates the illumination light of brightness stability.Liquid crystal display drive circuit 84b, by image display element (image element) 82 output image signals or driving signal, forms as transmitance pattern basic colored image light or the image light that becomes dynamic menu or tableaux thus.In addition,, although can make liquid crystal display drive circuit 84b there is image processing function, also can make external control circuit there is image processing function.

Below, the light path of image light GL of virtual image display apparatus 100 etc. is described.The image light GL penetrating from image display element (image element) 82 is projected camera lens 30 and assembles, then incide the 4th S14 that is arranged on the positive focal power of having of light guide member 10 (refracting power) (after, be converted to plane of refraction and represent the focal power of reflecting surface).

By the image light GL after the 4th S14 of light guide member 10, be converged and advance, the 5th S15 when via the 2nd light guide 12 with relatively weak positive focal power reflects, then from inner side, again incide the 4th S14, accept positive focal power and be reflected.

By the image light GL of the 4th S14 of the 2nd light guide 12 reflection, in the 1st light guide 11, incided and there is the 3rd S13 of relatively weak positive focal power and total reflection occurs, and incide and there is the 1st S11 of relatively weak negative focal power and total reflection occurs.In addition, image light GL, by the front and back of the 3rd S13, forms intermediary image in light guide member 10.The image planes II of this intermediary image is corresponding with the image planes OI of image display element 82.

By the image light GL of the 1st S11 total reflection, incided the 2nd S12, and particularly incide the image light GL of half-reflecting mirror layer 15, a part sees through this half-reflecting mirror layer 15, and a part is reflected and again incides the 1st S11 and pass through the 1st S11.In addition, half-reflecting mirror layer 15 plays a role as the structure for the image light GL being here reflected with relatively strong positive light coke.In addition the structure that, the 1st S11 has negative power as the image light GL for by the 1st S11 plays a role.

By the image light GL after the 1st S11, as the light beam of almost parallel, incide pupil or its equivalent locations of observer's eye E Y.That is, observer observes the image forming on image display element (image element) 82 by the image light GL as the virtual image.

On the other hand, in ambient light HL, incide than the light of lean on-X side of the 2nd S12 of light guide member 10 and pass through the 3rd S13 and the 1st S11 of the 1st light guide 11, but at this moment, positive and negative focal power offsets and aberration is corrected.That is, observer has observed the less external world's picture of distortion across light guide member 10.Similarly, in ambient light HL, incide than the 2nd S12 of light guide member 10 by the light of+X side, incide light transmission department part 50 light by being arranged at this 3rd transmission plane S53 and during the 1st transmission plane S51, positive and negative focal power offsets and aberration is corrected.That is, observer has observed the less external world's picture of distortion across light transmission department part 50.In addition, in ambient light HL, incide the light of the light transmission department part 50 corresponding with the 2nd S12 of light guide member 10 when by the 3rd transmission plane S53 and the 1st S11, positive and negative focal power offsets and aberration is corrected.That is, observer has observed the less external world's picture of distortion across light transmission department part 50.In addition, the 2nd S12 of light guide member 10 and the 2nd transmission plane S52 of light transmission department part 50 all have roughly the same curve form, and all have roughly the same refractive index, and the adhesive linkage CC that both gaps are had roughly the same refractive index fills.That is, the 2nd transmission plane S52 of the 2nd of light guide member 10 the S12 and light transmission department part 50 does not play a role as substantial plane of refraction with respect to ambient light HL.

But, owing to inciding a part of the ambient light HL of half-reflecting mirror layer 15, see through this half-reflecting mirror layer 15, and a part is reflected, therefore from the ambient light HL of the direction corresponding with half-reflecting mirror layer 15 because the transmissivity of half-reflecting mirror layer 15 is weakened.On the other hand, because the direction incident from corresponding with half-reflecting mirror layer 15 has image light GL, therefore, observer observes image and the extraneous picture forming on image display element (image element) 82 in the direction of half-reflecting mirror layer 15.

In the interior propagation of light guide member 10 and incide in the image light GL of the 2nd S12, by the light of half-reflecting mirror layer 15 reflection, do not incided in light transmission department part 50, but, utilize and to be arranged on the anti-stop of reflection light transmission department part 50, not shown and to prevent that it from getting back to light guide member 10.That is the image light GL that, has prevented from passing through the 2nd S12 turns back to becomes parasitic light in light path.In addition,, although turn back to light transmission department part 50 from the 50 side incidents of light transmission department part and by the ambient light HL of half-reflecting mirror layer 15 reflection, utilize the above-mentioned not shown anti-stop of reflection that is arranged on light transmission department part 50 to prevent that it from injecting to light guide member 10.That is, prevent from being turned back to and in light path, becoming parasitic light by the ambient light HL of half-reflecting mirror layer 15 reflection.

Clear and definite as above explanation, according to the virtual image display apparatus 100 of present embodiment, owing to supporting the nose support part 40 of use, be fixed on frame portion 102, and be configured in not the position interfering with the spectacles nose holder 9d that is arranged at glasses 9, therefore the observer who has on glasses 9 can wear virtual image display apparatus 100 on the basis of glasses, can not observe well faintly the image being formed by image display element (image element) 82.In addition, nose support part 40 has the resin portion 40b of arbor 40a and coated arbor 40a, can improve thus nose support part 40 shape degree of freedom and improve its intensity, can configure nose support part 40 and guarantee and the coexisting of glasses 9 in joint space-efficient mode.

Above, in conjunction with embodiment, the utility model is illustrated, but the utility model is not limited to above-mentioned embodiment, can in the scope that does not depart from its purport, with various forms, implements, for example, can also be out of shape as follows.

The holder portion 42 of nose support part 40 can be independent parts that can be separated.In this case, holder portion 42 be can also change and size and configuration changed.

Nose support part 40 can also consist of single holder portion 42.In this case, single holder portion 42 modes with the two sides butt with the bridge of the nose (being specially the part from bridge of the nose to the nasion) and the bridge of the nose are supported on nose.

The length adjustment parts 41 of nose support part 40 are not limited to linearly extend with shaft-like, and can the crooked or bending in the mode of avoiding interfering with other parts etc.

The resin portion 40b of nose support part 40 is following shape: have the large contact site of trying one's best, so that can be owing to contacting of nose, contact site being applied to large load.As the material of resin portion 40b, can use silica gel, soft PVC (Polyvinylchloride), PC (polycarbonate) etc.

For linking part 3h, the 4h that auxiliary installing component 3 grades are fixed on to main body 2, being not limited to snap-fit, can be also to have utilized being fixedly clamped or other various gimmicks of spring.For example, in the situation that only individual uses, because the replacing of auxiliary installing component 3 is not frequent, thereby can become the structure that is threadably fastened to frame portion 102.In addition; can utilize the groove or the auxiliary installing component 3 of other maintaining part supporting that are arranged on protection portion 108 or framework 107; or can make the fixed parts such as fork that are arranged at auxiliary installing component 3 engage with the opposed appropriate position of protection portion 108 or framework 107, thereby the auxiliary installing component 3 of supporting.

In the above-described embodiment, the mode screw threads for fastening by framework 107 and projection lens 30 with split, and projection lens 30 is fixed on to framework 107, but also can make the lens barrel 39 of projection lens 30 one-body molded with framework 107.As making lens barrel 39 and the integrated method of framework 107, cut the gimmicks such as lens barrel portion after existing injection mo(u)lding on matrix, compression moulding one-body molded.

For guiding device 20 or projection lens 30, it is fastening that it is not limited to be realized by screw threads for fastening, and can be fixed on framework 107 by various gimmicks.

For frame portion 102, it is not limited to illustrative shape or the outward appearance similar to frame in embodiment, and can be the various shapes that projection lens 30 and guiding device 20 bridge joints can be got up.For example can omit protection portion 108, in this case, framework 107 is brought into play function as the frame portion of supporting use separately.In addition, can make protection portion 108 sides there is guiding device 20 maintaining parts of grade of maintenance or the function of support.In this case, protection portion 108 brings into play function as the frame portion of supporting use separately.

In the above-described embodiment, at the light incident side of light guide member 10, dispose projection lens 30, but can omit projection lens 30, and make light guide member 10 self there is imaging function.In addition, also can configure another light guide member 10 with imaging function and replace projection lens 30.

In the above-described embodiment, on the lens barrel 39 of projection lens 30, be provided with the engaging part 39a engaging with guiding device 20, but can be in guiding device 20 side setting examples as to clip the chimeric engaging part of the mode of lens barrel 39 and lens barrel 39.

In the above-described embodiment, half-reflecting mirror layer (transflective film) 15 is formed at laterally longer rectangular area, but the profile of half-reflecting mirror layer 15 can appropriately change according to purposes or other specification.In addition, the transmissivity of half-reflecting mirror layer 15 and reflectivity also can change according to purposes or other factors.

In the above-described embodiment, half-reflecting mirror layer 15 is simple semipermeable films (for example metallic reflective coating or dielectric multilayer film), but half-reflecting mirror layer 15 can be replaced with to the holographic element of plane or curved surface.

In the above-described embodiment, there is no to adjust especially the distribution of the display brightness of image display element 82, but in produce the situation etc. of luminance difference due to position, can the distribution of display brightness is adjusted into unequal.

In the above-described embodiment, as image display device 80, the image display element 82 that has used liquid crystal display device by transmission-type etc. to form, but image display device 80 is not limited to the image display element 82 that liquid crystal display device by transmission-type etc. forms, and can utilize various structures.For example, can be the structure of having used the liquid crystal display device of reflection-type, also can replace the image display element 82 being formed by liquid crystal display device etc. by Digital Micromirror Device etc.In addition,, as image display device 80, can use and take the emissive type element that LED array or OLED (organic EL) etc. are representative.

In the above-described embodiment, the image display device 80 that has used liquid crystal display device by transmission-type etc. to form, but also can replace with the image display device of sweep type this image display device.

Particularly, as shown in figure 13, as the 1st display device 100A of virtual image display apparatus, possess guiding device 20 and image display device 380.Guiding device 20 is identical with above-mentioned guiding device, in this description will be omitted.On the other hand, image display device 380 has flashlight forming portion 381 and scanning optics 282.Flashlight forming portion 381 also possesses light source, and its formation is also penetrated flashlight LL.Scanning optics 282 makes attitude change to adjust light path in the modulation of flashlight forming portion 381, thus, make the scan light TL of image light GL to be become incide guiding device 20, and scan being formed with the integral body of the subregion of half-reflecting mirror layer 15 in the 2nd S12.Action to illustrated the 1st display device 100A describes, and the flashlight LL penetrating from flashlight forming portion GG in image display device 380 incides scanning optics 282.Scanning optics 282 penetrates towards guiding device 20 flashlight LL as scan light TL.Guiding device 20 carries out leaded light in the total reflection of the 1st～5th S11～S15 of inner utilization etc. to the scan light TL from the 6th S16 incident, thereby makes light arrive half-reflecting mirror layer 15.Now, scan light TL, in the enterprising line scanning of face of half-reflecting mirror layer 15, thus, utilizes the image light GL formation virtual image as the track of scan light T1, and wearer catches this virtual image with eye E Y, thus recognition image.In addition,, in illustrated situation, the 6th S16 as light entrance face in guiding device 20 is the plane vertical with the optical axis of scan light TL.In addition, the 5th S15 and the 4th S14 are also planes.

In the above description, to possessing the virtual image display apparatus 100 of a pair of display device 100A, 100B, be illustrated, but also can be single display device.; also can be configured to: be not, with right eye and left eye both sides, one group of projection arrangement for perspective 70 and image display device 80 are respectively set accordingly; but only for the either party in right eye or left eye, projection arrangement for perspective 70 and image display device 80 are set, thereby monocular vision image.In this case, framework 107 and pin silk portion 104 are such as the shape for symmetrically configuring with the state shown in Fig. 1 etc.Auxiliary installing component 3 and cap assembly 4 also can only be configured in one-sided, but comparatively natural for two settings with projection arrangement for perspective 70 etc. accordingly.

In the above description, a pair of display device 100A, 100B are not described at the interval of directions X, but the interval of two display device 100A, 100B is not limited to fix, also can utilizes mechanical mechanism etc. to adjust interval.That is,, if telescoping mechanism etc. is set on framework 107, can to two display device 100A, 100B, at the interval of directions X, adjust according to wearer's the wide grade of eye.

In the above-described embodiment, in the 1st S11 and the 3rd S13 of light guide member 10, do not implement from the teeth outwards the processing such as minute surface or half-reflecting mirror, but utilize with the interface of air, image light total reflection is guided, but, for the total reflection of the virtual image display apparatus 100 of the application's utility model, be also included within the reflection that is formed with reflecting layer or half-reflecting mirror film in integral body on the 1st S11 or the 3rd S13 or a part.For example, also comprise following situation, that is: the incident angle at image light meets on the basis of total reflection condition, at the whole of above-mentioned the 1st S11 or the 3rd S13 or part enforcement reflecting layer etc., reflects in fact all image light.In addition,, if can obtain the image light of enough brightness, also can utilize to there is a little radioparent minute surface integral body or a part of the 1st S11 or the 3rd S13 are applied.

In the above description, the horizontal expansion that light guide member 10 grades are arranged along eye E Y, but also can be configured to make light guide member 10 to extend along the longitudinal.Now, light guide member 10 is for example supported with the cantilever position at place, top.

Claims (12)

1. a virtual image display apparatus, is characterized in that, described virtual image display apparatus possesses:

Image element;

Optics, it is configured in observer at the moment, and makes the eyes towards observer from the light of described image element, makes observer's eyes visual to image;

Frame portion, it supports described image element and described optics, and described frame portion is wearing the inner space that is formed for configuring glasses under state; And

Nose support part, it has the resin portion of arbor and coated this arbor, and described nose support part is fixed on described frame portion and is configured in not the position interfering with the spectacles nose holder that is arranged at glasses, and described nose support part is by supporting described frame portion with nose butt.

2. virtual image display apparatus according to claim 1, is characterized in that,

Described arbor is formed by metal material that can plastic yield.

3. virtual image display apparatus according to claim 1 and 2, is characterized in that,

Described frame portion is fixed on by screw threads for fastening in described nose support part.

4. virtual image display apparatus according to claim 1 and 2, is characterized in that,

Described nose support part has holder portion in the lower end of the parts of upper downward-extension.

5. virtual image display apparatus according to claim 4, is characterized in that,

Described holder portion is configured in than the described spectacles nose holder position of side on the lower.

6. virtual image display apparatus according to claim 1 and 2, is characterized in that,

Described frame portion has: framework, and it supports described optics; With protection portion, the part that it is fixed on described framework and protects described optics.

7. virtual image display apparatus according to claim 6, is characterized in that,

The join domain of described framework and described protection portion is fixed in described nose support part.

8. virtual image display apparatus according to claim 6, is characterized in that,

Described framework has the face portion of linearly extension, and described protection portion is configured in the below of described framework to clip the mode of described optics, and described protection portion has the connecting portion of the V word shape being connected with the central portion of described face portion in central authorities.

9. virtual image display apparatus according to claim 1 and 2, is characterized in that,

Described virtual image display apparatus also possesses from described frame portion and extends out and be supported on a pair of pin silk portion of ear.

10. virtual image display apparatus according to claim 1 and 2, is characterized in that,

Described optics has the guiding device of optics bulk, and described guiding device has transmitance, and described guiding device reflects and guide to observer's eyes to the light of the image of the image display element from as described image element in inside.

11. virtual image display apparatus according to claim 10, is characterized in that,

Described guiding device has: light guide member, the perspective that it carries out leaded light and can realize extraneous light the light of image; And light transmission department part, itself and this light guide member is connected, for supplementing the perspective function of extraneous light.

12. virtual image display apparatus according to claim 1 and 2, is characterized in that,

Described image element penetrates the flashlight that carries out two-dimensional scan, and described optics reflects the light from described image display element and guides to observer's eyes.