CN100359363C - Head-mounted display apparatus - Google Patents

Abstract

To provide a wearing-in head type indicating device which can effectively diminish power consumption without irksome operations. The wearing-in head type indicating device is provided with: a see-through image indicator 6 which sets an indicator frame within an indicatable range and indicates an image to make it overlapped with an external image within the indicator frame; angle speed sensors 81, 84 which are used to detect a tilt angle of observer's head; LCD driver 105 and a second CPU 112 which control to move the indicator frame to the corresponding amount of angle to the detected angle in the opposite tilt direction to the obsever's head regardless of the tilt of observer's head in order to make the virtual position constant from the observor's viewpoint; and first CPU 111 which automatically controls to switch to a low power consumption mode when the indicator frame deviates from the indicatable region to be not indicated within the predetermined time.

Description

Head-mounted display apparatus

Technical field

The present invention relates to a kind of head-mounted display apparatus, particularly, relate to the head-mounted display apparatus that under the state on the Dai Yutou, shows and observe image.

Background technology

A known in the past display device (for example) that goes up the observation image that is worn over has HMD (head mounted display) and HUD (head-up display) etc.

As this display device, for example can enumerate the Jap.P. spy and open the device of putting down in writing in the 2003-248194 communique.The image display of this communique record is being configured in image projection on the glasses type framework on the holographic optical elements (HOE) as combiner, the described image importing observer's of this holographic optical elements (HOE) reflection eyes, with the overlapping external world that is presented at of the virtual image of described image.

In addition, put down in writing a kind of head-mounted display apparatus at Japanese patent laid-open 6-78247 communique, it can switch to extraneous image from electron image simply.In addition, in this communique, put down in writing following technology, even change the angle of inclination of head, also can carry out such demonstration, can observe on the assigned position in the external world seems the imaginary picture that is fixed, and except that this imagination picture, also can observe extraneous picture (the 0035th section～the 0044th section of this communique, special) with reference to the 0041st section etc.

But, in people's eyes, be called as the good especially visual cell of the eyesight of cone with higher Density Distribution at amphiblestroid center, and be scattered in the state that sharply reduces along with near this density of periphery.This cone has three kinds, and the peak value of spectral sensitivity characteristic separately is present in R, G, B.Like this, only be 20 °～30 ° and form colour vision with interior zone at the radius of distance foveal region of retina.And calling central socket apart from 3 ° of foveal region of retina with interior zone, cone is with extra high Density Distribution in this zone.On the other hand, when from the approaching periphery of foveal region of retina, replace cone, distributing is called as that only lightness is reacted, the main sensitivity good cell that works of the body of rod under the half-light vision.This body of rod is apart from the peak value of the about 20 ° position of foveal region of retina as density, and along with near periphery, density slowly reduces.The eyesight of having known the human eye of this structure changes with brightness, and under the high situation of brightness, eyesight is the highest in central socket, sharply reduces along with moving closer to periphery.Figure 34 is to be the figure (Ikeda light man: " up-to-date ying physics シ リ one ズ 3, Visual Satoru psychophysics, p194,1975 ", the publication of gloomy north) of the eyesight at each position of parametric representation retina with brightness.As shown in the figure, when brightness is higher, effectively play a role with the cone that high brightness distributes at the central socket periphery, so form extra high eyesight at foveal region of retina, but when brightness was low, this cone can not effectively play a role, and did not have so big weak-eyed at foveal region of retina and periphery.And it is 1 ' approximately that 2 identification resolution capabilities of the central socket of eyes generally are considered to.

And from considerations such as the environment aspects of preserving our planet, various device is all seeking to reduce energy consumption in recent years, and for example electronic equipment etc. is making great efforts to reduce power consumption.Particularly, as example, in field of personal computers, the technology that is automatically made low power consumption mode when not utilizing keyboard and mouse etc. to carry out input operation within a certain period of time is well-known.

Patent documentation 1 Jap.P. spy opens the 2003-248194 communique

Patent documentation 2 Japanese patent laid-open 6-78247 communiques

Non-patent literature 1 Ikeda light man: publish in " up-to-date ying physics シ リ one ズ 3, Visual Satoru psychophysics, p194,1975 ", gloomy north

In above-mentioned existing HMD and HUD, even head is mobile a little, because the observed virtual image is also moved with this head, so can not remove picture often round the sensation of head, particularly when wearing for a long time, this will make the people feel exhausted.

And above-mentioned display device is in the past taken action so usually can adorn oneself with normally because volume is little, in light weight and be easy to carry about with one.But, when in the observer visual field, showing picture, obstruction is normally taken action.Therefore, in order to prevent this obstacle, before normally taking action, the power supply that need take off display device or cut off display device.But,, all take off one's spectacles and will be pretty troublesome thing before certain action carrying out at every turn for example as winning glasses.Equally, when normally taking action, the power supply that takes off display device or cut-out display device also is pretty troublesome thing.

In addition, in display device in the past, (for example) need cut off the electricity supply too under the situation of needs reduction power consumption, but the operation of cutting off the electricity supply conscientiously under this situation remains pretty troublesome thing.On the other hand, may not be applicable to the information display device that does not need artificial input operation etc. as the technology of the reduction power consumption that adopts in the above-mentioned personal computer (technology of control power supply when promptly not carrying out operation such as keyboard input at the appointed time).And in the portable display apparatus as power supply such as use battery, it is extremely important reducing power consumption.

Summary of the invention

The present invention In view of the foregoing proposes, and its purpose is, a kind of head-mounted display apparatus is provided, and does not need the operation of trouble conveniently to switch between the observation image and the observation external world, and can reduce power consumption effectively.

In order to achieve the above object, the head-mounted display apparatus of first invention has: angular detection unit, the angle of inclination of detection observer head; Display unit, overlapping to be presented at extraneous picture last specified image, and the show state of display image and the non-show state of display image are not switched in the angle of inclination of the observer's head that is detected according to described angular detection unit; Control module, stipulated time or stipulated time have been continued when above at the non-show state of described display unit, even when becoming the angle of inclination corresponding, also control this display unit and make it continue to keep non-show state with described show state with occipital angle of inclination.

And, second invention is the head-mounted display apparatus according to first invention, the angle of inclination of observer's head that described display unit is detected in described angular detection unit switches to described show state in the angular range of regulation the time, switches to described non-show state when breaking away from the angular range of this regulation.

In addition, the 3rd invention is the head-mounted display apparatus according to first invention, described display unit is under described show state, irrelevant for the relative position constant that makes the observed described relatively external world of described image of observer with the inclination of this observer's head, the opposite direction of the described vergence direction of the observer's head that is detected in described angular detection unit, described image is only moved be equivalent to the amount of the angle that is detected this angular detection unit, and show.

The 4th invention is the head-mounted display apparatus according to arbitrary invention in first～the 3rd invention, described control module has continued stipulated time or stipulated time when above at the non-show state of described display unit, control, make the power supply disconnection of this head-mounted display apparatus or this head-mounted display apparatus is set at low power consumption mode.

The 5th invention is according to the head-mounted display apparatus of arbitrary invention in first～the 4th invention, also possesses time setting unit, is used for the described stipulated time is set at the time of desired length.

According to head-mounted display apparatus of the present invention, do not need the operation etc. of trouble can be easily to switch observing image and observe between the external world, and can effectively reduce power consumption.

Description of drawings

Fig. 1 is the stereographic map of use-pattern of the wear-type information display device of the expression embodiment of the invention 1.

Fig. 2 is the front view of the portion that wears of expression the foregoing description 1.

Fig. 3 is the vertical view of the portion that wears of expression the foregoing description 1.

Fig. 4 is the right view of the portion that wears of expression the foregoing description 1.

Fig. 5 is the vertical view of the control/recording portion under the guidance panel closed condition in expression the foregoing description 1.

Fig. 6 is the right view of the control/recording portion under the guidance panel closed condition in expression the foregoing description 1.

Fig. 7 is the left view of the control/recording portion under the guidance panel closed condition in expression the foregoing description 1.

Fig. 8 is the vertical view that is configured in the operating switch on the guidance panel in expression the foregoing description 1.

Fig. 9 is the stereographic map of the control/recording portion under the guidance panel open mode in expression the foregoing description 1.

Figure 10 is the vertical view of the structure of the remote control portion in expression the foregoing description 1.

Figure 11 is in expression the foregoing description 1, the block scheme of main relevant with the electronic circuit structure of information display device.

Figure 12 is the figure of trim (Pitch) direction in explanation the foregoing description 1.

Figure 13 is the figure of yaw (Yaw) direction in explanation the foregoing description 1.

Figure 14 is the figure of principle of the optical system of the transparent image display part of explanation in the foregoing description 1.

Figure 15 is in the foregoing description 1, comprises the front view of cut-away section of structure of the optical system of expression transparent image display part.

Figure 16 is in expression the foregoing description 1, the left view of a structure example of the optical system of transparent image display part.

Figure 17 is in expression the foregoing description 1, the left view of other structure example of the optical system of transparent image display part.

Figure 18 is in expression the foregoing description 1, the top plan view of the structure of the optical system of transparent image display part.

Figure 19 is in expression the foregoing description 1, comprises the vertical view of the part section of the structure of representing the coupling part, and wherein front face, hinge portion and mirror shank are contained in the coupling part.

Figure 20 is in expression the foregoing description 1, from the left side of Figure 19 roughly to the right-hand figure that watches the coupling part of hinge portion and mirror shank.

Figure 21 is the figure of the expression original image that will show in the foregoing description 1.

Figure 22 is the figure of the correspondence of the pixel of the LCD of expression in the foregoing description 1 and original image.

Figure 23 is as the figure of the correspondence of the image of virtual image projection and original image in expression the foregoing description 1.

Figure 24 is other exemplary plot of the expression original image that will show in the foregoing description 1.

Figure 25 is other exemplary plot of the correspondence of the pixel of the LCD of expression in the foregoing description 1 and original image.

Figure 26 is as other exemplary plot of the correspondence of the image of virtual image projection and original image in expression the foregoing description 1.

Figure 27 is the exemplary plot of the test pattern in expression the foregoing description 1.

Figure 28 is the constitutional diagram before and after the correction of a horizontal direction straight line in the above-mentioned test pattern shown in Figure 27 of expression.

Figure 29 is the process flow diagram of the processing of the primary position of adjustment display frame in expression the foregoing description 1.

Figure 30 is the process flow diagram of the processing of the display position of control chart picture in expression the foregoing description 1.

Figure 31 is the process flow diagram of the processing example of the demonstration/do not show of control chart picture in expression the foregoing description 1.

Figure 32 is the exemplary plot that the picture when adjusting the primary position of display frame in expression the foregoing description 1 shows.

Figure 33 is the exemplary plot that the primary position of display frame was adjusted in expression the foregoing description 1 picture shows.

Figure 34 is the curve map of brightness as the eyesight at each position of parametric representation retina.

Symbol description

1 information display device; 2 wear portion; 3 cables; 4 control/recording portion; 5 remote control portions; 6 transparent image display parts (display device); 11 front faces; 12 mirror shanks; 13 frame sections; 14,15 transparent optical element; 19 nose holder portions; 20 Jing Liang; 21 cable splicing ears; 24,25 hinges; 26,27 hangers portions; 30a, 30b electric component department of assembly; 33 box portions; 41 control/record main parts; 42 guidance panels; 44 power switches; 48 LCD display elements; 49 cable splicing ears; 50 AV/S splicing ears; 51 PC splicing ears; 54 record memory receptacle; 55 battery sockets; 56 loudspeakers; 59 reproduction/shutdown switches; 63 menu buttons; 65 determine switch; 66,67,68,69 menu selector switch; 71 keyboards; 72 semicircle pointer operation portions (rolling unit); 73 antennas; 74 pointers; 75 left buttons; 76 right buttons; 81 angular-rate sensors (yaw direction) (angular detection unit); 82,85 amplifiers; 83 A/D change-over circuits; 84 angular-rate sensors (trim directions) (angular detection unit); But 91 indication ranges; 92 display boxes; 93 display frames; 94 literal; 101 led drivers; 102 LED; 103 collector lenses; 104 LCD display elements (display unit, display element); 105 lcd drivers (mobile control unit); 106 the 1st holographic optical elements (HOE)s (1HOE) (display unit, optical system); 107 the 2nd holographic optical elements (HOE)s (2HOE) (display unit, optical system); 111 1CPU (control module, display unit, indicative control unit, mobile control unit, adjustment unit); 112 2CPU (control module, display unit, indicative control unit, angular detection unit, mobile control unit, adjustment unit); 113 the 1st operating switchs (adjustment unit, time setting unit); 114 EEPROM (display unit, indicative control unit, the 3rd storage unit); 116 storeies (display unit, the 1st storage unit); 117 D/A change-over circuits; 118 lcd drivers; 119 compression/decompression circuit; 120 record storeies (record cell); 121 select circuit; 122 hard disks (record cell); 123 receiving circuits; 124 power circuits; 125 show with storer (display unit, the 2nd storage unit); 126 character generators; 131 the 2nd operating switchs (adjustment unit, time setting unit); 132 demoders; 133 transtation mission circuits; 134 power circuits; 141,146 electric circuit substrates; 142,143 light guide members; 151 original images; 152 display surfaces; 153 virtual images; 155 test patterns; 184 electric circuit substrates; 185,190 flexibility printed circuit boards; 186,189 connecting portions; 187 contacts; 188 conductors; 191; 193,194 bearings; 200 hinge portions

Embodiment

Below, with reference to the description of drawings embodiments of the invention.

(embodiment 1)

Fig. 1～Figure 33 represents embodiments of the invention 1, and Fig. 1 is the stereographic map of the use-pattern of expression wear-type information display device.

In addition, in the following description, the information display device of present embodiment is wear-type information display device (head-mounted display apparatus).

As shown in Figure 1, this information display device 1 roughly is divided into: the portion that wears 2 that roughly is glasses type; Wear the main part (promptly control/recording portion 4) that portion 2 (for example) is connected by the cable 3 as link with this; With the far distance controlled portion (being designated hereinafter simply as remote control portion) 5 that this information display device 1 is carried out the operated from a distance input.

The above-mentioned portion 2 that wears constitutes, and the Direct observation object of observation (external world) practically when carrying out transparent demonstration also can be observed the information that overlaps on this object of observation simultaneously.Roughly be glasses type from this shape of wearing portion 2 and know that promptly it is the same substantially with the common spectacles that is used to correct defects of vision, and is worn on the head and uses, weight and size etc. also realizes miniaturization and, as far as possible near common spectacles.

Being located at the splicing ear 3a of described cable 3 one ends is connected with the cable splicing ear 21 of the portion of wearing 2 (with reference to Fig. 2 etc.), the splicing ear 3b that is located at the other end is connected with the cable splicing ear 49 (with reference to Fig. 6) of control/recording portion 4, thereby the portion of wearing 2 is connected with control/recording portion 4.In addition,, be not limited thereto, for example also can use and carry out mutual communicating devices with wireless mode though use wire cable 3 to wear the link of portion 2 and control/recording portion 4 herein as electrical connection.

Above-mentioned control/recording portion 4 constitutes: when the integral body of this information display device 1 is controlled, also can reproduce utilizing the above-mentioned information of wearing portion's 2 observations.In order to hang on the belt of waist or to put under the various states such as interior pocket of upper garment and use, so should make this control/recording portion 4 realize miniaturization ands as much as possible.Certainly, by using long cable 3, also can will control/recording portion 4 is placed under the state of school bag etc. and uses.

Above-mentioned remote control portion 5 is used for operated from a distance, and the observer just can compare frequent operation to this information display device 1 by operated from a distance in hand.Therefore, this remote control portion 5 should constitute: (for example) size should be smaller, approximately can be contained in the centre of the palm of a hand, and weight also should be low weight, and can communicate with wireless mode with above-mentioned control/recording portion 4 (for example).

Wear portion 2, control/recording portion 4 and remote control portion 5 and constitute discretely each other in the present embodiment, like this,, can improve comfort of wearing,, can improve operability etc. by adopting remote control portion 5 by making the portion's of wearing 2 miniaturization ands.

Below, wear the outward appearance and the summary of portion 2 with reference to Fig. 2～Fig. 4 explanation.Fig. 2 is that the front view of portion 2 is worn in expression, and Fig. 3 is that the vertical view of portion 2 is worn in expression, and Fig. 4 is that the right view of portion 2 is worn in expression.

This is worn portion 2 and constitutes and have: as the front face 11 of parts such as the eyeglass that is equivalent to common spectacles, picture frame, Jing Liang, joint angles; Rearward (opposition side of the object of observation) extends the mirror shank 12 that is provided with, can fold with respect to this front face 11 respectively from the left and right sides of this front face 11.

Above-mentioned front face 11 constitutes to have: frame section 13, on this frame section 13 respectively about correspondence two installations, as the transparent optical element 14,15 of light guide member.

Be provided with at the center section of this frame section 13 and be used for that this is worn portion 2 and be placed on nose holder portion 19 on the bridge of the nose, and be formed on the mirror beam 20 on the top between the above-mentioned transparent optical element 14,15.

Above-mentioned mirror shank 12 uses hinge 24,25 to be connected with above-mentioned front face 11, thereby can be folding with respect to this front face 11.That is, when not using,, it is remained on the folding position of this front face 11 to the center section refrative mirror shank 12 of front face 11, can reduced volume, be convenient to collection and carry.And, about the terminal part of each mirror shank 12, be provided for hanging over the hangers portion 26,27 on the ear respectively.

In addition, on left eye side (being the right side of Fig. 2 and Fig. 3) mirror shank 12, be provided with electric built-up member 30a integratedly with this mirror shank 12, on right eye side (being the left side of Fig. 2 and Fig. 3) mirror shank 12, be provided with electric built-up member 30b integratedly with this mirror shank 12.These electric built-up member 30a, 30b are mainly used in and place the electronic circuit that carries out transparent demonstration control.Therefore, when refrative mirror shank 12, these electric built-up member 30a, 30b fold along with the folding of this mirror shank 12.Like this, can be configured in electric built-up member 30a, 30b on the mirror shank 12 that can fold, so when collection, information display device 1 can be compact more.

And, be provided with cable splicing ear 21 in the bottom of the rear side of the electric built-up member 30a of left eye side (near a side of observer's ear), be used to connect the splicing ear 3a of an end that is located at above-mentioned cable 3.In addition, the electronic circuit of hereinafter described transparent image display part 6 (with reference to Figure 11) is by decentralized configuration in front in the inside and above-mentioned electric built-up member 30a, 30b of portion 11, make the global shape and the weight balancing of the portion of wearing 2 become proper states, wear and feel good.

And, part between part between the right side of front face 11 and the hinge 24 and the left side of front face 11 and the hinge 25 forms box portion 33, be used to hold flexible printing substrate etc., this flexible printing substrate is connected each circuit of these front face 11 inside and each circuit of electric built-up member 30a, 30b according to aftermentioned Figure 19 with structure shown in Figure 20.

Below, the outward appearance and the summary of control/recording portion 4 are described with reference to Fig. 5～Fig. 9.Fig. 5 is the vertical view of the control/recording portion under the expression guidance panel closed condition, Fig. 6 is the right view of the control/recording portion under the expression guidance panel closed condition, Fig. 7 is the left view of the control/recording portion under the expression guidance panel closed condition, Fig. 8 is the vertical view that expression is configured in the operating switch on the guidance panel, and Fig. 9 is the stereographic map of the control/recording portion under the expression guidance panel open mode.

This control/recording portion 4 constitutes, and has: control/record main part 41; Guidance panel 42, it is configured to can be by hinge 43 with respect to this control/record main part 41 freely openables.

Above-mentioned control/record main part 41 is built-in with hereinafter described various circuit, and the position that can observe when opening aforesaid operations panel 42 is provided with the LCD display element (being designated hereinafter simply as " LCD ") 48 as LCD monitor.This LCD 48 except being used for display message (for example, reproduce and show the image that is recorded, or show picture by 51 inputs of personal computer described later (PC) splicing ear), also be used for the menu screen etc. of the various patterns of this information display device 1 of display setting.In addition, on this control/record main part 41, be formed with recess 45, so as with the finger etc. can easily open and close aforesaid operations panel 42.

In addition, right flank at this control/record main part 41, as shown in Figure 6, being provided with can be by the lid 52 of hinge 46 with respect to this control/record main part 41 freely openables, this lid fastener 52a card of 52 end control/record main part 41 sides by fastener 52b on, keep closed condition thus.Covered 52 o'clock opening this, as shown in Figure 6, the terminal that the terminal that expose the cable splicing ear 49 that is used for being connected with the cable splicing ear 21 of the portion of wearing 2 by above-mentioned cable 3, is used for being connected with televisor is AV/S splicing ear 50, be used for being connected with personal computer (PC) is a PC splicing ear 51.Like this, these cables connect in the right flank unification of control/record main part 41, can not extend out from other faces, can alleviate the worry when disposing cable.

On the other hand, even left surface at control/record main part 41, as shown in Figure 7, also be provided with can freely openable by hinge 47 with respect to control/record main part 41 lid 53, this lid fastener 53a card of 53 end control/record main part 41 sides by fastener 53b on, keep closed condition thus.Covered 53 o'clock opening this, as shown in Figure 7, expose the record that is used to insert the plug-in pen recorder that forms by cassette storer etc. (i.e. record with storer 120 (with reference to Figure 11 etc.)) with memory receptacle 54 and be used for can be freely with plugging insertion be used for the battery socket 55 of the battery of supply power.

As shown in Figure 5, on the exterior side that also can reveal the outside under aforesaid operations panel 42 closing state, power switch 44 is set, in addition, is having only the inner face side that just can expose and operate under the open mode, be provided with various operating switchs as shown in Figure 8.

That is, the inner face side at guidance panel 42 is provided with: the loudspeaker 56 that is used to reproduce sound; Be used to increase the switch 57 of the volume of the sound that sends from this loudspeaker 56; Be used to reduce the switch 58 of this volume; Be used for reproducing or suspend to reproduce and be recorded in the reproduction/shutdown switch 59 of above-mentioned record with the image information of storer 120; Be used to make the switch 61 of image to opposite direction F.F. search; Be used to make the switch 62 of image to positive dirction F.F. search; Be used for showing the menu switch 63 of the menu screen that the various functions of information display device 1 and date etc. are set at above-mentioned LCD 48; Make in the projects that are presented on this menu screen selected project up and down, left and right all directions move or menu selector switch 66,67,68,69 that display message is rolled to all directions; The definite switch 65 that is used for the selected project that determine to show etc.

In addition, in the information display device 1 of present embodiment 1, as hereinafter described, reach when (comprising Ts) more than the stipulated time Ts in the time that image disappears in the display box in zone of expression display image, be automatically made the low power consumption mode that the whole power consumption that makes this information display device 1 reduces, but the setting-up time Ts of this moment can set also by operating above-mentioned menu selector switch 66,67,68,69 etc.

Like this, the switch that is configured on the guidance panel 42 is mainly used in the lower information of change frequency of setting.

Below, the outward appearance and the summary of remote control portion 5 are described with reference to Figure 10.Figure 10 is the vertical view of the structure of expression remote control portion.

This remote control portion 5 disposes the switch that changes the information of this information display device 1 with higher frequency as mentioned above, as shown in figure 10, constitutes and has: keyboard 71, semicircle pointer operation portion 72 and antenna 73.

Above-mentioned keyboard 71 is to be mainly used in the input block that carries out the lteral data input.Lteral data by 71 inputs of this keyboard may be displayed at least one of LCD 48 of the above-mentioned transparent image display part 6 (with reference to Figure 11) of wearing portion 2 and above-mentioned control/recording portion 4.In addition, this keyboard 71 also comprise make shown project and Word message etc. up and down, the key of the double as rolling unit of left and right rolling.

Above-mentioned semicircle pointer operation portion 72 is rolling units, has pointer 74, left button 75 and right button 76.Above-mentioned pointer 74 (for example) is the indicating member by utilizing finger manipulation that mouse pointer is moved.That is, the operation of this pointer 74 is equivalent to the widely used operation that mouse is moved in personal computer etc.And above-mentioned left button 75 and right button 76 are equivalent to the left button and the right button of common mouse respectively.Therefore, the mouse pointer on the picture is moved,, carry out and mouse is moved and click identical operations by operate above-mentioned left button 75 or right button 76 in desired position by operating above-mentioned pointer 74.

Above-mentioned antenna 73 is the information in the remote control portion 5 of being input to sends to the transmitting element of control/recording portion 4 by this operation.Control/recording portion 4 is carried out and the corresponding processing of this content of operation according to the information from remote control portion 5 that is received.

Figure 11 shows the block scheme of main relevant with the electronic circuit structure of information display device 1.

The structure of this information display device 1 roughly is divided into as mentioned above: wear portion 2; Control/recording portion 4 and remote control portion 5.Wherein, transparent image display part 6 is above-mentioned main electronic circuits of wearing portion 2.And control/recording portion 4 is connected by above-mentioned cable 3 with transparent image display part 6, and control/recording portion 4 and remote control portion 5 are connected by wireless mode.

Above-mentioned control/recording portion 4 has: storer 116; D/A change-over circuit 117; Above-mentioned LCD48; Lcd driver 118; Compression/decompression circuit 119; Select circuit 121; Above-mentioned record storer 120; Hard disk 122; Above-mentioned loudspeaker 56; Receiving circuit 123; Show with storer 125; Character generator 126; The 1st operating switch 113; EEPROM 114; Power circuit 124; 1CPU111.

Above-mentioned storer 116 has constituted the 1st storage unit of display unit, be used for reading information such as the image that generated by 1CPU111 and literal or be stored in record with information such as the image of storer 120 and hard disk 122 and literal, the frame buffer of the signal that it is read by interim storage etc. constitutes.

D/A change-over circuit 117 is used for the digital signal that is stored on this storer 116 is converted to simulating signal.

Above-mentioned LCD 48 is above-mentioned LCD shown in Figure 9, and the analog picture signal that is converted to according to D/A change-over circuit 117 comes display image, or shows other information.

Above-mentioned lcd driver 118 is used for this LCD 48 of controlling and driving.

Above-mentioned compression/decompression circuit 119 has compressor circuit portion and decompression circuit portion, utilize compressor circuit portion that the digital signal that is stored in the above-mentioned storer 116 is compressed, utilize decompression circuit portion decompressing with the compression digital signal of reading the storer 120 from above-mentioned record.

Above-mentioned selection circuit 121 is according to the control signal from 1CPU 111, the input place and the export point of two-way choice signal.Herein, so-called two-way storer 116, the record of being meant all can become a certain side of input place and export point with storer 120, hard disk 122 and compression/decompression circuit 119.For example, select circuit 121 can select the digital signal that compression/decompression circuit 119 compress exported to and write down in usefulness storer 120, hard disk 122, the storer 116 which.And, being recorded in that record is taken in the storer 116 with the information in storer 120 or the hard disk 122 and when reproducing demonstration etc., this selects circuit 121 according to the control signal from 1CPU 111, selection with any output signal in storer 120 and the hard disk 122, is exported to compression/decompression circuit 119 from record.In addition, this selects circuit 121 according to the control signal from 1CPU 111, select by compression/decompression circuit 119 still be obstructed overcompression/decompression circuit 119 carry out from storer 116 to record with storer 120 or hard disk 122 or from record with the data transmission of storer 120 or hard disk 122 to storer 116.View data beyond information (for example) is lteral data (below, " view data " is the general name of the information beyond the lteral data) time, by compression/decompression circuit 119 compress handle or decompression after send, and under the situation that is lteral data, directly do not send by this compression/decompression circuit 119.

Above-mentioned record for example is made of plug-in storage card etc. as mentioned above with storer 120, when being selected by above-mentioned selection circuit 121, and the digital signal that record was compressed by above-mentioned compression/decompression circuit 119.

Above-mentioned hard disk 122 is built in this control/recording portion 4, and when being selected by above-mentioned selection circuit 121, record is by above-mentioned compression/decompression circuit 119 compressed digital signal.

Above-mentioned loudspeaker 56 (with reference to Fig. 8 etc.) according to the control of 1CPU 111, when being attended by the image of sound, reproduction carries out the reproduction of this sound, and perhaps sending as required reports to the police uses sound.

Above-mentioned receiving circuit 123 is used to receive the signal by transtation mission circuit 133 (the describing subsequently) wireless transmission of above-mentioned remote control portion 5.

Above-mentioned demonstration has constituted the 2nd storage unit of display unit with storer 125, is stored in the view data that shows in the transparent image display part 6.This demonstration with storer 125 have with the demonstration that is located at LCD 104 in the transparent image display part 6 (hereinafter describing) with pixel memory cell one to one.

Above-mentioned character generator 126 is used to produce the lteral data of the key input operation of corresponding remote control portion 5.

Above-mentioned the 1st operating switch 113 is the input blocks that are used to import the various operations relevant with this information display device 1, double as adjustment unit, time setting unit, and it comprises above-mentioned various switches shown in Figure 8.

Above-mentioned EEPROM 114 has constituted the 3rd storage unit of display unit, is recorded in the various data of use in this information display device 1 etc.In this EEPROM 114 with the form of the table hereinafter described storing with storer 116 in storage prime information and show with the relevant corresponding relation of mapping between the memory cell of storer 125.

Above-mentioned power circuit 124 comprises for example plug-in battery etc., not only to these control/recording portion 4 supply powers, also by above-mentioned cable 3 to above-mentioned transparent image display part 6 supply powers of wearing portion 2.

Various circuit in this control/recording portion 4 of 1CPU 111 controls, and communicate by letter with the 2CPU 112 (hereinafter describing) in the above-mentioned transparent image display part 6, also carry out the control of this transparent image display part 6 thus, as the Comprehensive Control unit relevant, also double as display unit, indicative control unit, mobile control unit, adjustment unit with this information display device.

The effect of this control/recording portion 4 is roughly as follows.

Information in this storer 116 is stored in record with in storer 120 or the hard disk 122 after through the compression of the compressor circuit portion in the compression/decompression circuit 119.

And, in menu button 63 and menu selector switch 66,67,68,69 by above-mentioned the 1st operating switch 113, determine the operation of switch 65 etc., selected to be recorded in the information that writes down with in storer 120 or the hard disk 122, and under the indication of the operation by above-mentioned reproduction/shutdown switch 59 situation about will reproduce, be recorded in record and be read out, and be stored in the storer 116 temporarily with the information in storer 120 or the hard disk 122.At this moment, the information of record is under the situation of view data in writing down with storer 120 or hard disk 122, after decompressing through the decompression circuit portion in the compression/decompression circuit 119, is sent to storer 116.The information of record is under the situation of lteral data in writing down with storer 120 or hard disk 122, without compression/decompression circuit 119, and directly from selecting circuit 121 to send to storer 116.

Be presented on the LCD 48 after the information in this storer 116 of being stored in is converted into analog picture signal by D/A change-over circuit 117, perhaps be presented on the LCD 104 (hereinafter describing) of transparent image display part 6 after regulation mapping described later is handled carrying out.When LCD 48 shows, the signal controlling that the action of this LCD 48 is produced by lcd driver 118.On the other hand, when the LCD 104 by transparent image display part 6 shows,, handle, the view data that is stored in the storer 116 is mapped to shows with in the memory cell of storer 125 with reference to the table that is stored among the EEPROM 114.Like this, be stored in demonstration is output to transparent image display part 6 with the mapped view data in the storer 125 LCD 104.

And, when keyboard 71 grades of remote control portion 5 have been carried out the key input operation, the lteral data that character generator 126 produces operating.After the view data of this lteral data by 1CPU 111 and regulation etc. are synthetic, be temporarily stored in the storer 116, as mentioned above, be presented on the LCD 104 of LCD48 or transparent image display part 6.

Then, above-mentioned transparent image display part 6 is display units, by holographic optical elements (HOE) (hereinafter referred to as " HOE (Holographic Optical Element) ") image and literal etc. is projected on observer's the eyes 99, be presented at the place ahead of observer's visual field direction as the virtual image as the reflection-type combiner.In addition, this transparent image display part 6 also double as detect the unit at the angle of inclination of the yaw direction wear portion 2 and trim directions (narrating in the back) about these directions.

That is, this transparent image display part 6 has: led driver 101; LED 102; Collector lens 103; LCD 104; Lcd driver 105; 1HOE 106; 2HOE 107; Angular-rate sensor 81; Angular-rate sensor 84; Amplifier 82; Amplifier 85; A/D change-over circuit 83; 2CPU 112.

Above-mentioned led driver 101 controls according to above-mentioned 2CPU 112 make LED described later 102 luminous.

Above-mentioned LED 102 is driven by this led driver 101 and luminous light emitting source is the inscape of display unit.

Above-mentioned collector lens 103 is used for the light that this LED 102 is sent is carried out optically focused, is the inscape of above-mentioned display unit.

Above-mentioned LCD 104 is the display elements that are made of transmission-type liquid crystal of information such as display image etc., and its a plurality of pixels that will be used for display image are uniformly-spaced arranged with two-dimensional state.This LCD 104 is inscapes of above-mentioned display unit, and the light that is passed through the LED 102 of above-mentioned collector lens 103 throws light on from rear side.

Above-mentioned lcd driver 105 controls according to above-mentioned 2CPU 112 drive information such as this LCD 104 and display image, constitute the part of mobile control unit.

Above-mentioned 1HOE 106 simultaneously carries out as hereinafter described aberration correction with the light that above-mentioned LCD 104 penetrates, and a reflection optics towards vertical lower (with reference to Figure 16) reflection is used to constitute display unit.

Above-mentioned 2HOE 107 is a kind of combiners, it constitutes by to observer's eye reflections and the diffraction light from this 1HOE 106, information projections such as the image that shows on above-mentioned LCD 104 and literal are become the state that can observe, and can make ambient light see through observer's eyes, be used to constitute display unit.

Above-mentioned angular-rate sensor 81 constitutes the angular detection unit, is used to detect this yaw direction of wearing portion 2 angular velocity of (with reference to Figure 13 described later).

Above-mentioned amplifier 82 is used to amplify the output of this angular-rate sensor 81.

Above-mentioned angular-rate sensor 84 constitutes the angular detection unit, is used to detect this trim directions of wearing portion 2 angular velocity of (with reference to Figure 12 described later).

Above-mentioned amplifier 85 is used to amplify the output of this angular-rate sensor 84.

Above-mentioned A/D change-over circuit 83 is converted to digital signal to the output of the output of the angular-rate sensor 81 by amplifier 82 outputs and the angular-rate sensor 84 by amplifier 85 outputs respectively, exports to above-mentioned 2CPU 112.

Above-mentioned 2CPU 112 is the control modules that mainly carry out the control of this transparent image display part 6, also double as display unit, indicative control unit, angular detection unit, mobile control unit, adjustment unit.And 2CPU 112 also double as detects the angular detection unit at the angle of inclination of observer's head according to the angular velocity information from angular- rate sensor 81,84 outputs.This 2CPU112 and above-mentioned 111 two-way connections of 1CPU, one side communicates the action that the one side cooperation puts rules into practice mutually.

Then, above-mentioned remote control portion 5 has: the 2nd operating switch 131; Demoder 132; Transtation mission circuit 133; Power circuit 134.

Above-mentioned the 2nd operating switch 131 is the input block that comprises above-mentioned various switches shown in Figure 10, also double as adjustment unit, time setting unit.

Above-mentioned demoder 132 is used for the operation input from the 2nd operating switch 131 is converted to the signal that wireless transmission is used.

Above-mentioned transtation mission circuit 133 sends to the signal wireless by these demoder 132 conversions by above-mentioned antenna 73 receiving circuit 123 of above-mentioned control/recording portion 4.

Above-mentioned power circuit 134 is used for the various circuit supply powers in this remote control portion 5, and it comprises battery etc.

Below, the main optical texture of transparent image display part 6 is described with reference to Figure 12～Figure 18.Figure 12 is the figure that is used to illustrate trim directions, Figure 13 is the figure that is used to illustrate yaw direction, Figure 14 is the figure of principle of the optical system of explanation transparent image display part, Figure 15 is the front elevation of cut-away section of structure that comprises the optical system of expression transparent image display part, Figure 16 is the left view of a structure example of the optical system of expression transparent image display part, Figure 17 is the left view of other structure example of the optical system of expression transparent image display part, and Figure 18 is the top plan view of structure of the optical system of expression transparent image display part.

This transparent image display part 6 can be presented at the observer to information such as image and literal in fact on the object of observation of Direct observation as virtual image superposition, below this demonstration is called transparent demonstration.In addition, said " Direct observation in fact " not only comprises situation about detecting by an unaided eye, and also comprises the situation of observing by formed roughly dull and stereotyped transparent component such as glass or plastics, perhaps the situation of observing with lens by vision correction etc.

The term of relevant head inclination at first, is described with reference to Figure 12 and Figure 13.So-called " trim directions " is meant the inclination of the fore-and-aft direction of head as shown in figure 12.So-called " yaw direction " is meant the inclination of the left and right directions of head as shown in figure 13.In addition, wear portion 2 and be worn on observer's head and use, so detect the inclination of wearing portion 2 and the inclination that detects observer's head is equivalent substantially.

The principle of optical system (hereinafter referred to as " transparent image the display optical system ") image that shows transparency of the transparent image display part 6 that utilizes this embodiment 1 is described with reference to Figure 14.

The light that LED 102 sends passes through collector lens 103 by optically focused, from back lighting LCD 104.Herein, above-mentioned LED 102 comprises the diode of the light that can send R (redness), G (green), three kinds of colors of B (blueness) respectively, under the situation of display text information, for example can only make the led lighting that sends G (green).

The signal that 2CPU 112 generates corresponding to information such as image and literal, and export to lcd driver 105.Lcd driver 105 drives LCD 104 according to this signal, makes these LCD 104 display images and literal etc. thus.

Image of accepting the light of above-mentioned LED 102 and penetrating from LCD 104 and literal by 2HOE 107 reflections after, be imported in observer's the eye.Like this, the observer can observe image and literal as virtual image VI.In addition, this Figure 14 is just for principle of specification, so omitted the diagram of 1HOE 106.

2HOE 107 has been to use the volume phase type holographic optical elements (HOE) of photosensitive materials such as photopolymer or dichromic acid gel, has with maximum reflectivity to reflect each wavelength R, G that above-mentioned LED 102 sends, the characteristic of B light.Therefore, for example send when display text under the situation of G light, green literal is clearly shown as the virtual image.On the other hand, when showing the coloured image that can observe, make LCD 104 color displays, the light that makes above-mentioned LED 102 send R, G, three kinds of colors of B simultaneously gets final product.HOE has good wavelength selectivity, and each the wavelength light with respect to above-mentioned R, G, B presents high reflection characteristic, and presents high transmissison characteristic with respect to wavelength light in addition in extremely narrow and small wavelength width.Therefore, the diffracted and reflection of the exterior light of the wavelength region may identical with display light can not arrive observer's pupil, but the exterior light of wavelength region may in addition can both arrive observer's pupil.Generally speaking, visible light is because the frequency span broad of wavelength, so even comprising that the light of extremely narrow and small wavelength width of each wavelength of R, G, B does not arrive, also can be without any hindering ground to observe extraneous image.

Above-mentioned 1HOE 106 not only imports to the light reflection from LCD 104 on the 2HOE 107, and has the function of proofreading and correct the image planes distortion.In addition, use 1HOE 106 herein, but also can use the optical element of free form surface to replace.Because the optical element volume of free form surface is little, in light weight, and aberration that can correction of complex, the picture rich in detail that aberration is less can be shown so less gain in weight.

Below, the concrete configuration example of above-mentioned transparent image display optical system is described with reference to Figure 15～Figure 18.

Object of observation side part in said frame portion 13 inside, the position on the top of above-mentioned transparent optical element 14 (or/and transparent optical element 15) is according to the above-mentioned LED 102 of arranged in order shown in Figure 15, collector lens 103, LCD 104,1HOE 106.These each parts are fixed by keeping frame 144,145 clampings as shown in figure 18.At this moment, above-mentioned LED 102 is fixed by above-mentioned maintenance frame 144,145 under the state that is installed on the electric circuit substrate 141.And 1HOE 106 wherein is tilted configuration as mentioned above, so that the light from LED 102 is reflected towards vertical lower.

Above-mentioned transparent optical element 14 (or/and transparent optical element 15) as Figure 16, shown in Figure 17, has: the light guide member 142,143 that utilizes the thickness with regulation of formation such as clear glass or plastics; Be sandwiched between these light guide members 142,143 and tilted configuration becomes above-mentioned 2HOE 107 towards rear reflection light.In this structure, the inside that is configured in the light guide member 142 of 2HOE 107 upsides from the light transmission of above-mentioned 1HOE 106 reflections arrives this 2HOE 107.In addition, can just see through as shown in figure 16, also can be as shown in figure 17 will see through and the total reflection of inner face be made up in the propagation of the light of these light guide member 142 inside.If carry out optical design shown in Figure 17, then can make transparent optical element 14 (or/and transparent optical element 15) attenuation, can further alleviate the weight of the portion of wearing 2.

And, head side (opposition side of the object of observation) part the observer of said frame portion 13 inside, as shown in figure 18, the electric circuit substrate 146 that above-mentioned led driver 101 and lcd driver 105 be installed is configured in a side opposite with the transparent image display optical system across above-mentioned maintenance frame 144.

In addition, the transparent image display optical system comprises LED 102, collector lens 103, LCD 104,1HOE 106,2HOE 107, the light guide member 142,143 in each above-mentioned parts.

General the observing with two of observer examined the object of observation, about how disposing above-mentioned transparent image display part 6, for example can consider following two kinds of examples.

At first, the 1st configuration example is, for two, the transparent image display optical system shown in only the part corresponding to a branch hole eyeball being waited by above-mentioned Figure 15 constitutes, and is made of the transparent optical element that does not have the transparent image Presentation Function corresponding to the part of opposite side eyes.At this moment, preferably have the optics of the visual sense transmissison characteristic identical,, also can alleviate the fatigue of eyes even use so for a long time with transparent optical element 14 (or transparent optical element 15) corresponding to the transparent optical element of opposite side eyes.

The 2nd configuration example is, corresponds respectively to two, constitutes the transparent image display optical system of above-mentioned Figure 15 shown in waiting.Under the situation of using this paired transparent image display optical system, can further alleviate eye fatigue, and the viewed image of stereo display as required.

Below, the structure that the electric installing component 30a of the electric installing component of front face 11 and mirror shank 12 is electrically connected with reference to Figure 19 and Figure 20 explanation.Figure 19 is the vertical view of part section that expression comprises the structure of coupling part, this coupling part comprises front face 11, hinge portion 200 and mirror shank 12, Figure 20 be expression from the left side of Figure 19 roughly to the right-hand figure that watches the coupling part of hinge portion 200 and mirror shank 12.

Herein, above-mentioned hinge portion 200 is the general names that comprise the part of the connection mirror shank 12 of hinge 24 and front face 11 (or frame section 13).

This information display device 1 as above-mentioned shown in Figure 3, left and right sides mirror shank 12 forms the state of relative front face 11 approximate vertical under user mode, can fold into the inboard as rotation center towards front face 11 with hinge 24,25 when not using.Explanation herein comprises near the situation the hinge portion 200 of right side hinge 24, but comprises that the hinge portion of left side hinge 25 is also identical.

The hinge 24 of this hinge portion 200 forms knuckle joint, it constitutes as shown in figure 20, "  " shape bearing 193 of the cylindric threaded hole 193a of formation that each hole 193a, 194a is run through respectively be located at front face 11 sides and be located at the bearing that is formed with cylindric threaded hole 194a 194 of mirror shank 12 sides, make up, and make the axle 191 of performance connecting pin effect insert logical these holes 193a, 194a.In addition, in Figure 20, utilize dotted line to apply shade to the part that belongs to mirror shank 12.

As shown in figure 19, the electric circuit substrate 184 that is located at front face 11 is electrically connected with an end of flexibility printed circuit board 185.This flexibility printed circuit board 185 is configured to cross hinge portion 200 inside from front face 11 inside, and the other end is electrically connected with a plurality of contacts 187 shown in Figure 20.These contacts 187 be located at vertically disposed wall portion of hinge portion 200 195 on, being connected by connecting portion 186 of flexibility printed circuit board 185 and each contact 187 undertaken.

On the other hand, the bearing 193 of front face 11 sides carries out the bearing 194 of counterrotating mirror shank 12 sides relatively, is provided with a plurality of conductors 188 along direction of principal axis, and these conductors 188 are to form circular-arc same shaft contact along periphery.These conductor 188 respectively corresponding above-mentioned a plurality of contacts 187 are embedded in the insulator, carry out gold-plated to the surface (for example) of exposing from this insulator.In addition, also can carry out gold-plated to the whole surface of conductor 188.

According to this structure, even front face 11 and the 12 relative rotations of mirror shank also can be kept the electrical connection of contact 187 and conductor 188.And the circuit part and the circuit part that be located at electric installing component 30a relevant with image projection with lcd driver 105 grades to led driver 101 do not need to connect by wiring cable or printed-wiring board (PWB) etc., can keep succinct U.S. of outward appearance thus.Particularly the portion that wears 2 of this information display device 1 is worn on head and goes up the part of using, and outward appearance is more showy concerning the third party, so by adopting this structure can obtain obvious effects.

Above-mentioned contact 187 is electrically connected with an end of flexibility printed circuit board 190 by connecting portion 189 on the periphery of this bearing 194.Though not shown in the drawings, the other end of this flexibility printed circuit board 190 is connected with the electric circuit substrate of the electric installing component 30a of mirror shank 12, in addition, be electrically connected control/recording portion 4 by above-mentioned cable 3.

According to this structure, be used for driving the led driver 101 of the transparent image display part 6 that is located at frame section 13 and the signal of lcd driver 105, for example transmit by the 2CPU 112 that is located at electric installing component 30a.And, for example suppose that above-mentioned angular- rate sensor 81,84, amplifier 82,85, A/D change-over circuit 83 are located on the electric installing component 30b, pass to the 2CPU 112 of electric installing component 30a equally by front face 11 from their detection signal.

Below, the overview that shows with reference to the image of Figure 21～Figure 23 descriptive information display device 1.Figure 21 is the figure of the expression original image that will show, Figure 22 is the figure of the correspondence of the pixel of expression LCD 104 and original image, and Figure 23 is expression as the figure of the correspondence of the image of virtual image projection and original image.

The original image 151 that now, will show as shown in figure 21.Herein, the corresponding relation of the image that purpose is clear and definite original image 151, be presented at image on the LCD 104, observe as the virtual image, thus original image 151 is divided into suitable zone, and each zone is applied shade.The image-region that has been applied in identical shade in Figure 21～Figure 23 is corresponding mutually zone.In addition, original digital image data is stored in the above-mentioned storer 116 as mentioned above.

In this Figure 21,1 lattice is equivalent to constitute 1 pixel of original image 151.When this original image 151 for example was the view data that obtains by imaging apparatus shooting, 1 lattice was to 1 pixel that should imaging apparatus.Utilize the information of each pixel that this lattice represents to be stored in the above-mentioned storer 116.

In this original image shown in Figure 21 151,6 * 6 pixel regions of central part form regional a, around regional a, separate 1 wide zone of pixel 1 pixel wide, that 10 pixels in 1 limit constitute and formed regional b, form regional c by around regional b, separating 1 wide zone of pixel 2 pixel wide, that 16 pixels in 1 limit constitute, form regional d by the width regions that around regional c, separates 1 pixel 3 pixel wide, that 24 pixels in 1 limit constitute.Like this, along with regional a from central division towards periphery zone d, separate with wideer interval (more sparse).

Then, as shown in figure 22 as the display surface 152 of the LCD 104 of display element.In this Figure 22,1 lattice of display surface 152 is represented a display pixel.And the display image data of this LCD 104 is stored in above-mentioned demonstration with in the storer 125 relatively.At this moment, as mentioned above, the data that are presented on the display pixel are stored in demonstration with in the memory cell of storer 125, so that display pixel and memory cell are corresponding one by one.At this moment, reference is stored in the table among the EEPROM 114, generates to be stored in by the mapping of carrying out following explanation to show with the display image data in the storer 125 (for example according to the original digital image data that is stored in the above-mentioned storer 116).The table that is stored among the EEPROM 114 has been stored following content in advance, promptly, the view data of which position of Figure 21 is mapped on which position of LCD 104 shown in Figure 22, promptly each the address canned data at the storer 116 that stores original image 151 is stored in the memory cell that shows memory-aided which address.

Specifically, be displayed on the regional a that constitutes by 6 * 6 display pixels of the central part of LCD 104 in the view data of above-mentioned regional a shown in Figure 21.Therefore, about the view data of this zone a, all keep certain exploring degree (being the exploring degree of original image herein) in horizontal/.Then, around regional a, be close to this zone a, the i.e. view data of devices spaced apart ground viewing area b not.But the regional b that show this moment is made of 8 display pixels in 1 limit, and the regional b of above-mentioned original image 151 is made of 10 pixels in 1 limit, and the table by with reference to above-mentioned EEPROM 114 carries out suitable mapping.This moment be mapped as the mapping that subtracts processes pixel of carrying out the view data of 10 pixels in 1 limit is converted to the view data of 8 display pixels in 1 limit in fact.Equally, in LCD 104, regional c is not configured in to devices spaced apart the outside of regional b, utilizes 10 display pixels in 1 limit to constitute.Therefore, this zone c carries out from the mapping of 16 pixels in 1 limit to 10 display pixels in 1 limit.In addition, in LCD 104, regional d is not configured in to devices spaced apart the outside of regional c, utilizes 12 display pixels in 1 limit to constitute.Therefore, this zone d carries out from the mapping of 24 pixels in 1 limit to 12 display pixels in 1 limit.

During display image on using transparent image display optical system projection this LCD shown in Figure 22 104, the distance and position of stipulating as the virtual image 153 observed be picture shown in Figure 23.That is, in the virtual image of observing 153, the display image on the LCD 104 is the picture that is stretched towards periphery and at peripheral direction along with from the center.Specifically, certain pixel in the virtual image 153 has been implemented the stretching to peripheral direction, so as to be in original image 151 in the corresponding identical position relation (more accurate saying is similar position relation) of pixel.Therefore, the transparent image display optical system is designed to stretch to the periphery of image more the closer to the peripheral part of image, with the optical system of the location of pixels relation of restoring original image 151.

It is low more that peripheral exploring degree is arrived in the virtual image 153 shown in Figure 23 more, and this is in order to adapt to the eyesight characteristic along with the people who sharply descends near periphery from foveal region of retina, when the observer watches picture centre attentively, can not have problems on reality is used.

According to this structure, can reduce the quantity of the display pixel that constitutes LCD 104, so can make information display device 1 miniaturization, cheapization.

In addition, in Figure 21 and relation shown in Figure 22, the pixel separation of original image shown in Figure 21 151 is opened, generate display pixel shown in Figure 22 (i.e. sampling), but be not limited thereto, also can use the pixel data of a plurality of original images 151 to calculate 1 display pixel (that is, calculating) by interpolation etc.When removing the sampling of mode between adopting, the load of processing is low weight, and having can be fast and the advantage handled electrically of low consumption.On the other hand, by calculating such as interpolation the time, can show the image of more faithful to original image 151.

Below, Figure 24～Figure 26 represents other examples that the image of information display device 1 shows.Figure 24 is the figure of the expression original image that will show, Figure 25 is the figure of the correspondence of the pixel of expression LCD 104 and original image, and Figure 26 is expression as the figure of the correspondence of the image of virtual image projection and original image.

In the example of above-mentioned Figure 21～Figure 23, from picture central authorities towards periphery two-dimensionally, promptly reduce the exploring degree in vertical direction and horizontal direction, but the example of Figure 24～Figure 26 only changes the exploring degree in the vertical direction of picture.

In original image 151 shown in Figure 24, make regional a, regional b, regional c, regional d form the zone that has the integral image width as shown like that in the horizontal direction.That is, regional a is configured to 6 pixels, horizontal direction that vertical direction is a central part and is all horizontal pixels, so that comprise the central part of original image 151.Zone b is configured to upside and the downside at this zone a, separates the interval of 1 pixel, is that 1 pixel wide, horizontal direction are the belt-like zone of all horizontal pixels in vertical direction.Zone c is configured to upside and the downside at this zone b, separates the interval of 2 pixels, is that 1 pixel wide, horizontal direction are the belt-like zone of all horizontal pixels in vertical direction.Zone d is configured to upside and the downside at this zone c, separates the interval of 3 pixels, is that 1 pixel wide, horizontal direction are the belt-like zone of all horizontal pixels in vertical direction.Like this, along with from central division regional a regional d, be spaced with the interval of wideer (slightly) towards the vertical direction periphery.Thus, the sampled one-tenth of this example shown in Figure 24 is under the certain state of the exploring degree maintenance that makes horizontal direction, and the exploring degree that makes vertical direction is along with reducing towards periphery.

Below, as the display surface 152 of the LCD 104 of display element as shown in figure 25.

It is the regional a that 6 pixels, horizontal direction constitute for all horizontal pixels that the view data of above-mentioned zone a is displayed in the central part of LCD 104 by vertical direction.Therefore, view data about this zone a, all be held certain exploring degree (more accurate saying in horizontal/, in the example of Figure 24, Figure 25, the exploring degree that keeps original image in vertical direction, but according to the relation of the total display pixel number of level of the horizontal total pixel number of original digital image data and LCD 104, the exploring degree reduces in the horizontal direction.)。Be close to this zone a, the i.e. view data of devices spaced apart ground viewing area b not thereon down.In addition, regional c is not configured in to devices spaced apart the outside of regional b in LCD 104.And regional d is not configured in to devices spaced apart the outside of regional c in LCD 104.At this moment, from original image 151 to the mapping of the pixel of LCD 104 (that is, from storer 116 to the mapping that shows with the memory cell of storer 125) also with above-mentioned identical, carry out with reference to the table of EEPROM 114.

In addition, it is constant that the vertical direction of LCD 104 and the pixel of horizontal direction constitute, because the vertical direction of the original image that will show and the pixel of horizontal direction formation are various (for example, the image of still image and dynamic image, different exploring degree, vertical image and landscape images etc.), so a mapping of relative all original images is very difficult in EEPROM 114 with the table data storage.Therefore, general only the table data storage that is used for shining upon the original image that widely used pixel constitutes at EEPROM 114, to data in addition, can shine upon by calculating by 1CPU 111.Like this, representative data can fast processing be shown also that the original digital image data that the pixel that is not stored as table is constituted also can be shown as desired state.

And, when using the display image on transparent image display optical system projection this LCD shown in Figure 25 104, the distance and position of stipulating as the virtual image 153 observed be picture shown in Figure 26.That is, in the observed virtual image 153, the display image on the LCD 104 be along with by the center near last following peripheral, the picture that is stretched in vertical direction.Therefore, the transparent image display optical system becomes the optical system that is exaggerated more the closer to the periphery image in vertical direction.At this moment, certain pixel in the virtual image 153 has been implemented the stretching to vertical direction, so as to be in original image 151 in the corresponding identical position relation (similar position relation) of pixel, this point is with above-mentioned identical.

Therefore, though the exploring degree of virtual image vertical direction shown in Figure 25 reduces more the closer to periphery, the exploring degree of horizontal direction is held constant.

If adopt to realize the structure of corresponding relation of the pixel data of these Figure 24～shown in Figure 26, the exploring degree of the image that the observer observes is only changed in the one dimension direction, compare with the mapping that changes the exploring degree at two-dimensional directional, can carry out easilier from storer 116 to the mapping that shows with the pixel data of storer 125.

In addition, except that above-mentioned Figure 21～example shown in Figure 23 or Figure 24～example shown in Figure 26, assigned position (for example center of display surface) that also can LCD 104 is for shining upon at the center, so that the exploring degree not in the direction of watching and only from this center according to apart from this center apart from step-down, promptly the exploring degree is low more the closer to the periphery of concentric circles.

And Figure 21～Figure 26 is the example that is used to illustrate technical conceive, so the structure different (that is, actual pixel count is more, and original image also has various dot structures as mentioned above) of exemplary contents and actual original image and LCD 104.Therefore, the concrete numerical value of the sample interval of pixel count and original image is taked various numerical value according to design.

In addition, above-mentioned Figure 23 and observed image shown in Figure 26 are for similar with original image shown in Figure 24 to above-mentioned Figure 21, from original image to as the mapping of the image of the LCD 104 of display element as the 1st reflection, when the process of utilizing optical system to show to be mapped in the image on the LCD 104 is videoed as the 2nd, these the 1st reflections and the 2nd reflection need to form mutually relation (more accurate the saying of inverse mapping, owing to carried out making the irreversible change of pixel count minimizing, so can not become inverse mapping, and just become inverse mapping) with respect to geometry site.In order to ensure this relation, design the characteristic that decides above-mentioned optical relation compared with handling according to above-mentioned mapping, it is easier to utilize program adjustment mapping to handle according to the characteristic of this optical system.

As mentioned above, present technique as the center, to show original image the closer to the low more exploring degree of periphery on display element, is carried out assigned position the closer to the periphery demonstration of amplification more to the image that is presented on this display element by optical system.

Below, the information mapping that handle is stored in the original image in the storer 116 is used in each address of storer 125 to showing, and the effect that is presented on the LCD 104 describes.

Storing the original image that becomes the object that shows in storer shown in Figure 11 116, this original image for example is high meticulous image.The data of which address of this storer 116 be written to show with in which address of storer 125, as mentioned above, as table by corresponding stored in advance in EEPROM 114.

Above-mentioned demonstration with each storage address of storer 125 constitute with the determined pixel of LCD 104 be 1: 1 corresponding.LCD 104 is by being driven by lcd driver 105, is above-mentioned demonstration image with the data presentation of storer 125.

In said structure, 1CPU 111 uses the data map of storer 116 in each address of storer 125 to showing with reference to the table that is stored among the above-mentioned EPROM 114.

The table that is stored among this EEPROM 114 is stored as the table of inverse mapping of reflection that realization is the transparent image display optical system of the virtual image in advance to image projection, so that amplify more the closer to periphery as mentioned above.Therefore, optical property according to the transparent image display optical system (can be used the optical system of determining according to design, but consider the individual difference of optical system etc., also can use the optical system of measuring according to each product), calculate reflection, calculate its inverse mapping, subtract the processing of pixel again, can calculate table thus.

Be mapped in and show that the information of using on the storer 125 by LCD 104 demonstrations, by 1HOE 106 reflections, is imported into observer's eyes 99 by the 2HOE 107 as combiner.

Thus, the observer can be Figure 23 or image viewing shown in Figure 26 the virtual image at assigned position.

In addition, be stored among the above-mentioned EEPROM 114 table as mentioned above, come to determine by designing, but might in the process of manufacturing information display device 1, produce various making errors.Therefore, adopt following unit to proofread and correct this error.

In order to carry out this correction, prepared the image of test Figure 155 shown in Figure 27 as original image, and be stored in the storer 116.Figure 27 is the exemplary plot of expression test pattern.This test Figure 155 equally spaced disposes many straight lines of vertical direction and the straight line of horizontal direction respectively, forms line drawing is become grid-like figure.

And,, the data map that is stored in this test Figure 155 in the storer 116 is being shown with in the storer 125 with reference to the table that is stored among the EEPROM 114.

Being stored in above-mentioned demonstration is shown by LCD112 with the data in the storer 125, and the virtual image that is exaggerated as periphery, transparent image display optical system projection by comprising 1HOE 106 and 2HOE 107 is in observer's eyes, the observer can observe to be stored in storer 116 in the similar figure of test Figure 155.

The camera head that correction when herein, utilization is made in order to obtain is provided with data is taken the image that is shown by above-mentioned 2HOE 107.This camera head is the device that does not produce the device of anamorphose or known the information of relevant anamorphose.According to the view data that obtains by this camera head, resolve and obtain information display device 1 that produce with the relevant information of geometry deformation test Figure 155.And, according to the make amendment processing of table of EEPROM 114 of this resolution data, so that can proofread and correct this distortion.At this moment, for the correcting state of the image that can observe demonstration and this image, also can on adjusting, show the view data that obtains by camera head with monitor.

For example, the line that should show as the straight line of horizontal direction (that is, this line is the line 157 that should realize after revising) as shown in figure 28, as the tip-tilted curve 156 along with close left and right sides periphery, is shown in observer's eyes.Figure 28 is the figure of state before and after the modification of the straight line of a horizontal direction in the above-mentioned test pattern shown in Figure 27 of expression., the center of image is made as initial point herein, horizontal right is made as the x axle, when being made as the y axle, (x y), produces the distortion Δ y of vertical direction at certain position P of display image vertical direction.Therefore, obtain this distortion Δ y, according to this table that is out of shape the size modification EEPROM 114 of Δ y, (x, image y) is presented on the position Q that is revised to make above-mentioned display image P.If to all pixels of composing images carry out this certain position P (x, y) distortion Δ y detects, and then needs the huge processing time, so several places in image set representative point, detect the distortion Δ y of these representative points,, utilize interpolation etc. to infer that distortion Δ y gets final product about other point.Like this, when obtaining the distortion Δ y of all pixels, revise the table of EEPROM 114, so that can proofread and correct these distortion Δs y.

This modification also can be carried out by hand by the overlooker, but considers that productivity and cost, inspectoral individual differences etc. are unrealistic, tests automatically and the inspection corrective system of table of corrections data automatically so can use as mentioned above.But, under the situation of when the observer uses, proofreading and correct, can be by manual correction of picture one side of 2HOE 107 one side observation test Figure 155.

In addition, in the above description the distortion Δ y of vertical direction shown in Figure 28 as calibration object, but the distortion that becomes calibration object is not limited thereto, also can be the various geometry deformations such as distortion of the distortion of horizontal direction and sense of rotation as object.

And, in the above-mentioned explanation the original image information of storer 116 as input information, the table information of EEPROM 114 as intermediate information, during as output information, the amending method that the table that is stored in above-mentioned EEPROM 114 is shown can utilize the relation of above-mentioned input information and above-mentioned output information to obtain the situation of above-mentioned intermediate information by experiment the image of observing as the virtual image.The feature of intermediate information is determined by optical system, but the method for obtaining of the intermediate information of this experiment does not rely on specific optical system, so also can adopt other optical systems to obtain intermediate information.Therefore,, not limited by the optical system of present embodiment record, can extensively be suitable for various optical systems so long as meet the optical system of this technical conceive of picture that amplifies periphery.

Below, Figure 29 is the process flow diagram of the processing of the expression initial position of adjusting display frame.With reference to Figure 32, Figure 33 the processing that this is shown in Figure 29 is described.Figure 32 is the figure that the picture of expression when adjusting the initial position of display frame shows example, and Figure 32 adjusts the figure that picture behind the initial position of expression display frame shows example.

The information display device 1 of present embodiment as hereinafter described, and is irrelevant with observer's headwork, can seem that display image is fixed on extraneous demonstration.Therefore, when observer's head inclination,, make image only move the amount that is equivalent to this tilt quantity in the direction opposite with head inclination according to this action.This processing shown in Figure 29 is that certain angle of inclination with head is that benchmark adjusts whether carry out this mobile processing.

Now, the observer is face forward just in time for example, shows roughly picture shown in figure 32.In addition, in this Figure 32, but utilize dotted line to represent indication range 91, but the bottom right position display display box 92 in this indication range 91, and the inboard of this display box 92 becomes display frame 93.

In this state, the key operation that the observer uses remote control portion 5 to stipulate this information display device 1 is set at adjustment modes, but the left side in indication range 91 shown in figure 32, shows the literal " ADJ " 94 (step S1) of expression adjustment modes.

Then, the pointer 74 of the portion of key operation remote control up and down 5, the 1CPU 111 of control/recording portion 4 is by this key input (step S2) of radio detection.

And, on detecting during the key operation of direction, carry out this key operation during, but make display box 92 and display frame 93 with the translational speed of regulation in indication range 91 upward to mobile (step S3).

And, when detecting the key operation of following direction, carry out this key operation during, but make display box 92 and display frame 93 with the translational speed of regulation in indication range 91 downwards to mobile (step S4).

And, detect left to key operation the time, carry out this key operation during, but make display box 92 and display frame 93 with the translational speed of regulation in indication range 91 to left to mobile (step S5).

And, when detecting the key operation of right, carry out this key operation during, but make display box 92 and display frame 93 in indication range 91, move (step S6) to right with the translational speed of regulation.

Behind arbitrary EO of these steps S3～S6, wait for the left button 75 clicked (step S7) of remote control portion 5., before left button 75 is clicked, change above-mentioned steps S2 over to herein, proceed the key input and handle.

On the other hand, under the clicked situation of left button 75, the position of display box 92 is determined.Meanwhile, the literal " ADJ " 94 of expression adjustment modes disappears.Thus, for example the display box 92 of state shown in Figure 33 and display frame 93 are shown as the virtual image.

Then,, reset angle-data θ y, the θ p (step S8) of the yaw direction and the trim directions of the head that is calculated, finish the position of display frame and adjust according to the output of angular- rate sensor 81,84.

By carrying out this adjustment, determine the display box 92 under the original state and the position of display frame 93, and this original state as basic point, carry out the mensuration of angle-data θ y, θ p then.

In addition, in the example of Figure 32, Figure 33, use the boundary line to represent display box 92, but needn't necessarily show.

And, carry out the adjustment of initial position by carrying out above-mentioned processing shown in Figure 29 herein, but be not limited thereto.For example, when head forms the angle of inclination of regulation (as concrete example, observer's head is in when wanting to set the angle of inclination of initial position for), can be by carrying out predetermined key input operation (for example clicking the operation of above-mentioned left button 75), display frame is located at the position of regulation, and resets above-mentioned angle-data θ y, θ p.By adopting this operating system, can adjust the initial position of display box 92 and display frame 93 more simply.

Below, Figure 30 is the process flow diagram of processing of the display position of expression control chart picture.

What this was shown in Figure 30 is treated to, and the viewing area of picture is moved in the direction opposite with the angle of inclination of head, and sensation is fixed on outside monitor just as observing.

In addition, preferably, in the viewing area of monitor and when mobile according to the angle of inclination of head, the change of viewing area can be along with the variation of head inclination angle fast, change reposefully, but in fact the change speed of viewing area is limited, so might influence the plateau of the renewal of viewing area.Therefore, in the present embodiment, only when having produced the angle variation that can obviously not influence more than the regulation of upgrading plateau, just carry out the renewal of viewing area.

But, even handle like this, when the small variations of the angle of inclination of each head, also can carry out the renewal of viewing area with delay to a certain degree, this can make the observer cause inharmonious sense, and is when renewal is frequent, especially true.Therefore, in the present embodiment, when being tilted to positive dirction and changing of head and after changing inversely, the threshold value of the angle change of head is changed.Promptly, alleviate above-mentioned inharmonious sense by making it have hysteresis characteristic, so-called hysteresis characteristic is to instigate the angle that has detected after reciprocal angle changes to change angle with respect to the positive dirction of carrying out upgrading the viewing area to change and become (reference step S15 described later～step S19 and step S22) greatly.And, in the present embodiment, when carrying out rolling operation, carry out the renewal of this viewing area, so that the picture roll in the viewing area (reference step S23 described later～S25).

Describe this processing in detail with reference to Figure 30.

When beginning this processing, at first, input is by the angular velocity information (step S11) of the yaw direction of observer's head of angular-rate sensor 81 detections, and input is by the angular velocity information (step S12) of the trim directions of observer's head of angular-rate sensor 84 detections.

And, angular velocity by the yaw direction that will obtain in above-mentioned steps S11 carries out time integral, calculate the angle changes delta θ y[rad of yaw direction] (step S13), angular velocity by the trim directions that will obtain at above-mentioned steps S12 carries out time integral, calculates the angle changes delta θ p[rad of trim directions] (step S14).

Then, judge the absolute value that angle in the predetermined time (stipulated time), above-mentioned yaw direction changes | the absolute value that the angle of Δ θ y| and trim directions changes | whether at least one side promptly judges whether greater than setting (the 1st threshold value of regulation) α 1 among the Δ θ p| | Δ θ y|＞α 1 He | at least one establishment (step S15) among Δ θ p|＞α 1.

Herein, be judged as | Δ θ y| and | when at least one is greater than afore mentioned rules value α 1 among the Δ θ p|, judge that more whether be judged as greater than the angle changes delta θ y of setting α 1 or Δ θ p is the value opposite with the value direction that last time detected (that is, symbol is whether opposite when last time detecting) (step S16).This processing is to judge that the variation at the angle of inclination of head is to keep positive dirction or become reciprocal processing.

Be judged as when being the opposite value of direction at this step S16, judge the absolute value that the angle of above-mentioned yaw direction changes | the absolute value that the angle of Δ θ y| and trim directions changes | among the Δ θ p| at least one whether α 2 (wherein greater than the 2nd setting (the 2nd threshold value of regulation), the 2nd setting α 2 is the values that meet α 2＞α 1), promptly judge whether | Δ θ y|＞α 2 Hes | at least one establishment (step S17) among Δ θ p|＞α 2.

S17 is judged as in this step | Δ θ y| and | when at least one is greater than above-mentioned the 2nd setting α 2 among the Δ θ p|, or be judged as when not being reverse direction at above-mentioned steps S16, calculate the amount of movement (step S18) of the display box 92 (with display frame 93) of corresponding above-mentioned Δ θ y or Δ θ p.Being calculated as of this amount of movement: supposition observer eyes when the distance of picture is L, calculating L * Δ θ y or L * Δ θ p.

Then, according to the amount of movement that is calculated, the display box 92 (with display frame 93) after judge moving but be but that at least a portion has entered in the indication range 91 or all outside this indication range 91 (step S19).

Herein, but be judged as display box 92 all outside indication range 91 time, utilization is located at the time that the timer of above-mentioned 1CPU111 inside tests and judges, outside but display box 92 all is in indication range 91, begin to start at, whether continued to be stored in advance stipulated time Ts or Ts above (step S20) among the EEPROM 114.

In this step S20, when being judged as, this information display device 1 is set at low power consumption mode through stipulated time Ts, reduce the electric power of supplying with from power circuit 124 (step S21), finish this processing then.In addition, as mentioned above, can be by operating menu button shown in Figure 8 63, menu selector switch 66,67,68,69, determining switch 65 etc., s is set at desired time span with the afore mentioned rules time T.Particularly, except the action relevant with the partial function of 1CPU 111 and 2CPU 112, also this low power consumption mode is carried out in the action of other actions by stopping 1CPU 111 and 2CPU 112 or other functional blocks beyond the CPU, and this is identical with known method.In addition, under the above-mentioned low power consumption mode, do not show the image of display box 92 grades, and only to observe external image.And, in this step S21, change low power consumption mode over to, but also can not change this pattern over to and disconnect the power supply of this information display device 1.

On the other hand, in above-mentioned steps S19, in but at least a portion that is judged as display box 92 enters indication range 91 and can display image the time, when perhaps the time that display box 92 does not show in above-mentioned steps S20 is shorter than afore mentioned rules time T s, use the information mapping of the information of display box 92 and display frame 93 in the storer 125 and storage to showing, so that display frame is only being moved the amount (step S22) that is equivalent at the amount of movement of above-mentioned steps S18 calculating with observer's head towards the opposite direction of the angle variation of yaw direction or trim directions.Then, return above-mentioned steps S11, carry out above-mentioned processing repeatedly.

On the other hand, in above-mentioned steps S15, be judged as | Δ θ y| and | Δ θ p| two sides are during smaller or equal to afore mentioned rules value α 1, perhaps in above-mentioned steps S17, be judged as | Δ θ y| and | Δ θ p| two sides judge whether the operation (step S23) of display frame 93 rollings in making display box 92 during smaller or equal to above-mentioned the 2nd setting α 2.In addition, this rolling operation is undertaken by the pointer 74 of the portion of key operation remote control up and down 5, in carrying out these key operations any during, display frame 93 is rolled at the assigned direction corresponding with this key operation.

In this step S23, detecting under the situation of carrying out rolling operation, on the position that shows with the memory cell in the corresponding display box 92 in the storer 125, read original image and shine upon storage from storer 116, so that display frame 93 is according to rolling operation rolling (step S24).

Then, judge whether rolling operation finishes (step S25),, carry out above-mentioned mapping repeatedly and handle if finish then return above-mentioned steps S24.

Like this, under the situation that is judged as the rolling operation end, perhaps in above-mentioned steps S23, be judged as under the situation of not carrying out rolling operation, turn back to above-mentioned steps S11, carry out above-mentioned action repeatedly.

With reference to the example of the flowchart text of above-mentioned Figure 30, come the position of update displayed frame 92 with the tilt variation of head, the demonstration of carrying out is fixed on the external world as display box 92 thus.It is very natural sensations of the part of external object that this demonstration has as display box 92, so have the advantage that reduces observer's eye fatigue.But this processing shown in Figure 30 is owing to follow head inclination update displayed gradually, so need fast processing, power consumption increases.Figure 31 represents to consider other processing examples of this point.The processing that this is shown in Figure 31 at the angle of inclination of head during less than setting, is not done the position of display box 92 and to be upgraded and be presented at constant position, makes during more than or equal to setting at the angle of inclination of head to show and disappear.Like this, the angle of inclination of head forms factitious slightly demonstration in smaller or equal to the scope of setting the time, but with compare with reference to the processing of above-mentioned Figure 30 explanation, have the advantage of simple in structure and little power consumption.

Figure 31 is the process flow diagram of processing example of the demonstration/do not show of expression control chart picture.

In addition, the part identical with above-mentioned processing shown in Figure 30 in this processing shown in Figure 31 suitably omitted explanation, the main only explanation part different with this processing shown in Figure 30.

At first, the processing of this step S31 shown in Figure 31～S37 is identical with the processing of above-mentioned step S11～S17 shown in Figure 30.

And, in step S37, be judged as | Δ θ y| and | at least one of Δ θ p| is during greater than the 2nd setting α 2, perhaps in step S36, be judged as when not being reverse direction, calculate apart from the accumulative total angle variable quantity ∑ Δ θ y of the reset position of above-mentioned Δ θ y or apart from the accumulative total angle variable quantity ∑ Δ θ p (step S38) of the reset position of Δ θ p.Being calculated as of this amount of movement: supposition observer's eyes are made as L to the distance of picture, calculate L * ∑ Δ θ y or L * ∑ Δ θ p.

Then, whether at least one that judge angle variable quantity ∑ Δ θ y, the ∑ Δ θ p calculated be greater than the angle beta 1 (step S39) of regulation.

Herein, at the angle variable quantity that is judged as at least one side during greater than the angle beta 1 of regulation, the demonstration of the image in display box 92 and this display box 92 disappear (step S40).In addition, as illustrating in the example of Figure 30, display box 92 is shown as being fixed under the extraneous situation in supposition, the angle beta 1 of afore mentioned rules is configured to be judged as this display box 92 and gets final product from the value that indication range disappears.Certainly, switch in other angles that also can visually can not produce inharmonious sense change and show or do not show.

By the processing among this step S40, after display box 92 and picture drop-out, utilization is located at the time that the timer of above-mentioned 1CPU 111 inside tests and judges, after display box 92 and picture drop-out, the stipulated time Ts or the above time (step S41) of Ts that are stored in advance among the EEPROM 114 whether have been passed through.

In this step S41, being judged as when having passed through stipulated time Ts, this information display device 1 is set at low power consumption mode, reduce the electric power of supplying with from power circuit 124 (step S42), finish this processing then.In addition, under above-mentioned low power consumption mode, state is the image that does not show display box 92 grades, and only to observe external image.And, in this step S42, change low power consumption mode over to, but also can not change this pattern over to and disconnect the power supply of this information display device 1.

On the other hand, in above-mentioned steps S39, be judged as the angle variable quantity ∑ Δ θ y that in above-mentioned steps S38, calculates, ∑ Δ θ p two sides angle beta 1 smaller or equal to regulation, when judging in above-mentioned steps S41 that perhaps time that display box 92 and image become show state not is less than afore mentioned rules time T s, the information of display box 92 and the information mapping of display frame 93 are used in the storer 125 to showing, begun demonstration (step S43) once more at the display box 92 and the image in the display box 92 of reset position.Then, turn back to above-mentioned steps S31, carry out above-mentioned processing repeatedly.

In addition, the processing of this step S44 shown in Figure 31～S46 is identical with the processing of above-mentioned step S23～S25 shown in Figure 30.

In addition, mainly undertaken with reference to the processing of above-mentioned Figure 30 and Figure 31 explanation, but also can make 2CPU 112 share the part of this processing according to the size of the load that imposes on this 1CPU 111 by 1CPU 111 (with reference to Figure 11).

And, in the above description, be created on the demonstration data that LCD104 goes up demonstration according to the original image that is stored in the storer 116, but, about the character data that for example generates by character generator 126 and the data of other specifications etc., also can not pass through storer 116, show with in the storer 125 and directly write to.But carry out with display position corresponding processing after being then written to the process that show with in storer 125 with reference to the table of EEPROM 114 this moment, identical with the situation of the original image that is stored in storer 116.

On the other hand, in contrast, also can handle in real time, not write and show, and from 2CPU 112 outputs with storer 125 to the data of the original image from storer 116, read, so as with the demonstration control of lcd driver 105 synchronously.

In addition, though in the above description, enumerated the display image projection of the exploring degree that has reduced periphery in observer's eyes so that roughly keep example with the information display device of the geometric similarity of original image, but be not limited thereto, also can be applicable to the technology of the exploring degree that reduces periphery the projector apparatus etc. of on screen etc. projection and display image.

According to this embodiment 1, consider the characteristic of eye, make the exploring degree of corresponding clear-eyed foveal region of retina image partly higher, make the exploring degree of the not so good retinal periphery of corresponding eyesight image partly lower, so can effectively utilize the pixel of the limited quantity that is located at display element, observe the image of high-resolution.Thus, in order to obtain and identical in the past exploring degree, can use pixel quantity small inexpensive display element still less.Perhaps, when using, can obtain higher exploring degree with identical in the past display element.

At this moment, observed image is roughly similar with original image, so the periphery of image does not need compression and decompression, can observe very natural image.

In addition, by from the mapping of original image, reduce the exploring degree of periphery,, can shorten the time delay before the display image as far as possible so can handle fast to memory cell.At this moment, the corresponding relation of mapping is stored among the EEPROM as table, can carries out fast processing thus, and do not increase the load of CPU etc.

And,, can more effectively utilize the pixel of display element to improve the exploring degree by the reference position of regulation is made as the point of 1 in the image.

And, the reference position of regulation is formed by 1 straight line in the image, thus can be more easily and shine upon processing apace.

And this structure uses and makes the display message projection effective especially in the wear-type information display device of observer's eyes to being worn on observer's head.

In addition, because the display message in the viewing area is rolled, so desired information is presented to obtain on the part of high-resolution.Thus, though this device is small and light, also can clearly observe arbitrary image.

And, in order to make the virtual image position constant when this observer observes, irrelevant with observer's head inclination, and image is moved in the opposite direction in the head inclination side with the observer, so the observer can observe image, just look like that this image is fixed in extraneous (for example large-scale) display frame such.

In addition, can adjust the initial position of the image that will show, so can select individual differences and the corresponding best initial position of application target with the observer.Therefore, when for example in electric car, being used as monitor that personal computer uses etc., display frame is set in oblique below, can utilizes remote control portion to carry out literal input etc.And, the angle of inclination of this initial position, so the head position for example can be with natural position the time is that image is observed at the center as the benchmaring head.The adjustment of the initial position of this display frame can obtain as being located at the sensation that extraneous display frame is arranged on the optimum position, is very practical function.

In addition, can move to the initial position of image under the situation of desired position, the degree of freedom of adjustment improves, and is being adjusted under the situation of predefined initial position, and is simple to operate.

And, when even the angle of head changes, under the situation of angle variable quantity at the appointed time smaller or equal to the 1st threshold value, do not carry out moving to the display frame of the direction opposite with the angle variation of head, so need whenever the head subtle change time, all not calculate, can alleviate the load of CPU.

In addition, when the angle of head changes round about, the threshold value (the 2nd threshold value) that is used to judge whether to carry out to move the processing of display frame to the direction that the angle with head changes in the opposite direction is greater than in unidirectional situation, so can prevent effectively that picture is because of being that the microvibration of the head at center is glimmered with the assigned position.

And, specified image overlapping be presented at extraneous as last, switch the show state and the non-show state of this image according to the angle of inclination of above-mentioned head, in this lasting stipulated time of non-show state when above, when even the angle of inclination of this occiput becomes the angle of corresponding show state, also continue to keep this non-show state.Thus, only rely on the simple operations of the angle variation that makes head, can wear display device under the overhead state, switch external world's observation that image viewing and normal action need easily.For example, when in electric car etc., being used as the monitor that personal computer uses as mentioned above, display frame is set in oblique below etc., when descending electric car, raise the head, picture promptly disappears from the visual field, can be extraneous without any hindering ground to observe, can normally not take action safely so do not unload display device yet.

In addition, in the lasting stipulated time of non-show state of above-mentioned image when above, so deenergization or be set at low power consumption mode is even without the operation of specially carrying out mode switch or deenergization, also can realize consuming the reduction of electric power, extending battery life etc.

Like this, can provide the H.D mount type portable information display device that easily to use.

And, can be set at the stipulated time that switches to low power consumption mode, so can realize the use-pattern that the purposes with the observer adapts time of desired length.

In addition, the invention is not restricted to the foregoing description, certainly in the scope that does not break away from the invention aim, carry out various distortion and application.

The present invention go for can be under the state on the Dai Yutou display image, with the display device of observing.

Claims (5)

1. head-mounted display apparatus is characterized in that having:

The angular detection unit, the angle of inclination of detection observer head;

Display unit, overlapping to be presented at extraneous picture last specified image, and the show state of display image and the non-show state of display image are not switched in the angle of inclination of the observer's head that is detected according to described angular detection unit;

Control module, stipulated time or stipulated time have been continued when above at the non-show state of described display unit, even when becoming the angle of inclination corresponding, also control this display unit and make it continue to keep non-show state with described show state with occipital angle of inclination.

2. head-mounted display apparatus according to claim 1, it is characterized in that, the angle of inclination of observer's head that described display unit is detected in described angular detection unit switches to described show state in the angular range of regulation the time, switches to described non-show state when breaking away from the angular range of this regulation.

3. head-mounted display apparatus according to claim 1, it is characterized in that, described display unit is under described show state, the relative position constant in the described relatively external world of described image when the observer is observed and irrelevant with the inclination of this observer's head, the opposite direction of the vergence direction of the described observer's head that is detected in described angular detection unit, described image is only moved be equivalent to the amount of the angle that is detected described angular detection unit, and show.

4. according to each described head-mounted display apparatus in the claim 1～3, it is characterized in that, described control module has continued stipulated time or stipulated time when above at the non-show state of described display unit, control, disconnect the power supply of described head-mounted display apparatus or described head-mounted display apparatus is set at low power consumption mode.

5. according to each described head-mounted display apparatus in the claim 1～3, it is characterized in that also possessing time setting unit, be used for the described stipulated time is set at the time of desired length.

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