CN100440649C - Laser light source device, display device, scanning type display device and projector - Google Patents
Laser light source device, display device, scanning type display device and projector Download PDFInfo
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- CN100440649C CN100440649C CNB2006100879480A CN200610087948A CN100440649C CN 100440649 C CN100440649 C CN 100440649C CN B2006100879480 A CNB2006100879480 A CN B2006100879480A CN 200610087948 A CN200610087948 A CN 200610087948A CN 100440649 C CN100440649 C CN 100440649C
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Abstract
The invention provides a laser light-source arrangement which can be firmly non-luminous, a display device, a scanning display assembly and a projector when the laser is uninstalled from the container, which is characterized in that it includes a laser source component (10) of the oscillating component (12) which can vibrate the light, a built-in fitment which can fix the laser source component and an open circuit unit which can broke circuit of the current passage which can supply the current for the oscillating component (12) of the laser source component (10) by linking the movement that laser source component (10) is uninstalled from the said built-in fitment.
Description
Technical field
The present invention relates to laser light-source device, display unit, scan type display device and projector.
Background technology
In recent years, the requirement of the miniaturization of projector is more and more higher, along with coming on stage of the height outputization of semiconductor laser, blue semiconductor laser, is studying the projector or the display that use LASER Light Source.They can make the non-constant width of color reproduction scope because the wave-length coverage of light source is narrow, because can miniaturization and cut down inscape, so as follow-on display element and under cover big possibility.
, LASER Light Source, if pull down under the state of safety device luminous, then to human body, especially eyes bring injury.And, consider: take out the LASER Light Source that in display unit etc., is possessed, and misuse in the weapon etc.To this, work out laser aid: when with the purpose changed etc. when laser aid is pulled down laser resonator (LASER Light Source portion), prevent laser generation (for example, with reference to patent documentation 1) from the laser resonator that removes.
[patent documentation 1] spy opens the 2001-267670 communique
But, be arranged at the such safety device of interlocking device of laser aid, only so that the purpose that prevents because of the careless accident that is caused on using is provided with.Thereby, with such safety device, can not be to intentionally taking out the laser resonator part and this situation of purposes that laser resonator is diverted to other prevented from the housing of laser aid.
And, the technology of record in aforementioned patent document 1, because by taking out the resonance structure that laser resonator destroys its laser from housing, so it is difficult being applied on the reality in the laser of the destruction that is difficult to mechanically to carry out laser resonator as semiconductor laser, also causes the increase of manufacturing cost etc.
And, the technology of record in aforementioned patent document 1, because be structure at case bonding mirror body, the possibility that resonance condition changes so environmental change owing to temperature etc., mirror solid offsetting are arranged.And even destroy scanning mirror, also there is the danger of abuse LASER Light Source portion in the structure that scanning mirror is destroyed in aforementioned patent document 1 in the technology of record.
Summary of the invention
The present invention makes in view of aforementioned circumstances, and purpose is to be provided at from housing etc. and pulls down under the situation of LASER Light Source portion, and its LASER Light Source portion can non-luminous reliably laser light-source device, display unit, scan type display device and projector.
And, the present invention, purpose is to be provided at from housing etc. and pulls down under the situation of LASER Light Source portion, and its LASER Light Source portion can be not luminous reliably, and can suppress laser light-source device, display unit, scan type display device and the projector of the increase of manufacturing cost and the deterioration of performance etc.
In order to reach aforementioned purpose, laser light-source device of the present invention is characterized in that, has: have the LASER Light Source portion that makes the light generation portion that light vibrates; The support sector that the aforementioned laser light source portion is supported; The aforementioned laser light source portion is fixed in the fixed component of aforementioned support sector; With when the aforementioned laser light source portion is pulled down by aforementioned support sector, link in the action of removing by the stationary state of the resulting aforementioned laser light source portion of aforementioned fixation member the breaking units that the current path to the aforementioned lights oscillating portion supplying electric current in the aforementioned laser light source portion is opened circuit.
According to the present invention, if to pull down LASER Light Source portion from the support sector of housing etc. is purpose and will remove stationary state by the resulting LASER Light Source of fixed component portion, then link in this action, the current path of LASER Light Source portion is disconnected by breaking units, and this LASER Light Source portion is not luminous reliably.Therefore can the behavior of abusing from taking-up LASER Light Source portions such as display unit be prevented trouble before it happens.And, the present invention, because by the resonance structure of part that breaking units disconnects and non-laser light source portion, thus can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.
And laser light-source device of the present invention can constitute: the aforementioned laser light source portion has the substrate that is provided with the aforementioned lights oscillating portion; The aforementioned fixation member is made of the screw element that the aforementioned relatively support sector of aforesaid base plate is fixing.
According to the present invention, for example, the light generation portion that can be applied to semiconductor laser etc. is formed at substrate, this substrate and is fixed in screw element in the device of support sector of housing etc.And, to when pulling down substrate, housing can disconnect the current path of semiconductor laser at loosening screw element.
And laser light-source device of the present invention can constitute: aforementioned breaking units has and links in action, the cut-out of the stationary state of removing the aforementioned laser light source portion or destroy the cut-out member of the part in aforementioned currents path.
According to the present invention, if to pull down LASER Light Source portion from support sector's (housing etc.) is purpose and will remove the stationary state of LASER Light Source portion, then can be by cutting off cutting of members or destroying the part in aforementioned currents path, make LASER Light Source portion become reliably can not be luminous state.For example, can pass through the cutting key zygonema, make this laser become reliably can not be luminous state.At this, bonding line is the metal wire of diameter 100 μ m for example.Thereby, just can the cutting key zygonema with minimum power.Therefore, the present invention can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.
In addition, for example, cutting off member can constitute: link in the action of pulling down LASER Light Source portion from fixed component, destroy negative electrode (cathode) electrode or anode (anode) electrode of this LASER Light Source portion.Thereby, the present invention, because be not influence the resonance structure of LASER Light Source portion and the formation in break current path, thus can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and prevent trouble before it happens to taking out the behavior that LASER Light Source portion abuses.
And, laser light-source device of the present invention, preferred: aforementioned cut-out member, the bonding agent that is adhered at least by continuity ground on part or all of part or all and aforementioned currents path of aforementioned fixation member constitutes.
According to the present invention, for example, can be the formation of at least a portion of at least a portion (bonding line etc.) of current path and fixed component (screw element etc.) being fixed with bonding agent.And, if pull down LASER Light Source portion, will pull down fixed component and take down bonding agent from support sector's (housing etc.) from support sector, the bonding line that then is fixed in this bonding agent is cut off reliably.Therefore, the present invention can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.
And, laser light-source device of the present invention, preferred: aforementioned bonding agent is a bonding agent that is adhered to the bonding line of screw element that constitutes the aforementioned fixation member and a part that constitutes the aforementioned currents path at least.
According to the present invention, if will become flexible the screw element that constitutes fixed component, peel off a bonding agent from this screw element, then the part that is adhered to bonding line in this bonding agent just moves, and bonding line is cut off reliably.Therefore, the present invention can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.Also have, constitute, can also seek the further reduction of manufacturing cost etc. by discharging aforementioned bonding agent with so-called droplet discharge apparatus.
And, laser light-source device of the present invention, preferred: aforementioned cut-out member is the hook-shaped member that is installed on the aforementioned fixation member; Aforementioned hook-shaped member links in the action of the stationary state of removing the aforementioned laser light source portion, the member that cut-out constitutes the aforementioned currents path.
According to the present invention, for example, can constitute: near the hook-shaped member of the configuration member that constitutes the aforementioned currents path, also move and collude the member of hanging the formation current path it is cut off if make fixed component move then hook-shaped member.Therefore, the present invention can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.
And, laser light-source device of the present invention, preferred: aforementioned hook-shaped member, be connected in the screw element that constitutes the aforementioned fixation member, or be integrally formed in the aforementioned threads part, follow the rotation of aforementioned threads part to rotate; Configuration constitutes part or all of bonding line of the part in aforementioned currents path among the pivot region of aforementioned hook-shaped member.
According to the present invention, hook-shaped member is connected in or is integrally formed in the screw element that constitutes fixed component.And, screw element is rotated, then hook-shaped member also rotates.At this moment, owing to grouping key zygonema among the pivot region of hook-shaped member part or all, it is cut off so hook shape component colludes the extension bonding line.Therefore, the present invention can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.
And, laser light-source device of the present invention, wherein, aforementioned cut-out member is to be arranged at the member that possessing of aforementioned fixation member has through hole; The aforementioned currents path connects aforementioned through hole, possesses the member of aforementioned through hole, can constitute: link in the action of pulling down the aforementioned laser light source portion from aforementioned support sector, cut off the member that constitutes the aforementioned currents path.
And, laser light-source device of the present invention, preferred: the part of the aforementioned through hole of perforation in aforementioned currents path is a bonding line.
According to the present invention, for example can constitute: if will pull down LASER Light Source portion and fixed component is moved from support sector (housing etc.), then also move in the lump with cutting off member the position of through hole, makes the member (bonding line etc.) that constitutes current path by the cut-outs such as side of this through hole.Therefore, the present invention can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.
And laser light-source device of the present invention can constitute: aforementioned cut-out member has spring and is disposed near the cut-out portion of the bonding line of a part that constitutes the aforementioned currents path; Aforementioned spring disposes to such an extent that link and change in action, the shape of pulling down the aforementioned laser light source portion from aforementioned support sector; Aforementioned cut-out portion follows the change of shape of aforementioned spring to move, and cuts off the previous key zygonema.
According to the present invention, for example, can constitute: aforementioned spring together is fixed in support sector's (housing etc.) by fixed component (screw element etc.) and LASER Light Source portion, cut-out portion be disposed at a part that constitutes current path bonding line near.So if will pull down LASER Light Source portion and fixed component is moved from support sector, then spring deforms.Move and the cutting key zygonema by this distortion cut-out portion.Therefore, the present invention can avoid the performance degradation of LASER Light Source portion and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion is abused prevents trouble before it happens.
In order to reach aforementioned purpose, display unit of the present invention is characterized in that: possess the aforementioned laser light supply apparatus.
According to the present invention, the behavior that can injure human body to pulling down the LASER Light Source portion that is installed on display unit and misuse in weapon etc. prevents trouble before it happens.
In order to reach aforementioned purpose, scan type display device of the present invention, possess: red light source, green light source, blue-light source, the light compositing portion that light from each color light source is synthesized and the light after synthetic scanned and the scanner section of display image, it is characterized in that: the light source of the same colour at least of aforementioned light source is made of the aforementioned laser light supply apparatus.
According to the present invention, the behavior that can injure human body to pulling down the LASER Light Source portion that is installed on scan type display device and misuse in weapon etc. prevents trouble before it happens.
In order to reach aforementioned purpose, projector of the present invention is characterized in that, possesses: to the optic modulating device of modulating from the light of aforementioned laser light supply apparatus; With projection arrangement to being carried out projection by the light after the modulation of aforementioned lights modulating device.
According to the present invention, the behavior that can injure human body to pulling down the LASER Light Source portion that is installed on projector and misuse in weapon etc. prevents trouble before it happens.
Description of drawings
Fig. 1 is the mode sectional drawing of an example of the laser light-source device of expression the 1st execution mode of the present invention.
Fig. 2 is the mode sectional drawing of an example of the laser light-source device of expression the 2nd execution mode of the present invention.
Fig. 3 is the pattern stereogram of an example of the laser light-source device of expression the 3rd execution mode of the present invention.
Fig. 4 is the figure of an example of the laser light-source device of expression the 4th execution mode of the present invention.
Fig. 5 is the block diagram of an example of the scan type display device of expression embodiments of the present invention.
Fig. 6 is the summary pie graph of an example of the projector of expression embodiments of the present invention.
Symbol description
1,2,3, the 4... laser light-source device, 10... LASER Light Source portion, 11... substrate, 12... light generation portion, 13... bonding line, 14... anode electrode, 15... cathode electrode, 16... housing, 17... screw element, 18... bonding agent, 21, the 31... fixed part, the 22... uncinus, 32... cut-out portion, 33... through hole, the 40... member that opens circuit, 41... connecting portion, 42... spring, 43... cut-out portion
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.Also have, in following each accompanying drawing that carries out reference, see easily that in order to make accompanying drawing the engineer's scale of each inscape of appropriate change is represented.
The 1st execution mode
Fig. 1 is the mode sectional drawing of an example of the laser light-source device of expression the 1st execution mode of the present invention.The laser light-source device 1 of present embodiment is the device of the light source of configuration example such as display unit, optical communication apparatus, audio devices, information processor etc.Laser light-source device 1 has LASER Light Source portion 10, housing 16 (support sector), screw element 17 (fixed component), bonding agent 18 (breaking units, cut off member) and constitutes.And LASER Light Source portion 10 has substrate 11, light generation portion 12, bonding line 13, anode electrode 14, cathode electrode 15 and constitutes.
That is, pulling down from housing 16 under the purpose of LASER Light Source portion 10, needing to rotate screw element 17 in order to pull down substrate 11 from housing 16.And, in order to rotate screw element 17, need on this screw element 17, peel off bonding agent 18.But, if on screw element 17, peel off bonding agent 18, then because this bonding agent 18 also is adhered to bonding line 13, so bonding line 13 cuts off.Bonding line 13 is very thin line as described above, is the lead that cuts off very easily.Therefore, cutting key zygonema 13 and pull down LASER Light Source portion 10 not from housing 16, difficulty in the extreme becomes.
And the LASER Light Source portion 10 that bonding line 13 has been cut off is not if just not work with light generation portion 12 is connected other on anode bonding line.In the connection of this bonding line, need expensive bonding machine as described above.Thereby the LASER Light Source portion 10 that utilizes bonding line 13 to be cut off again hardly may become in reality.
Thus, the laser light-source device 1 of present embodiment, the resonance structure position in addition of linking and to cut off light generation portion 12 in the action of pulling down LASER Light Source portion 10, can avoid the performance degradation and the manufacturing cost of light generation portion 12 to increase, and the behavior that taking-up LASER Light Source portion 10 is abused prevent trouble before it happens.
And the laser light-source device 1 of present embodiment also can constitute: owing to the action of peeling off bonding agent 18 on screw element 17, cut off or destroy cathode electrode 15 (or anode electrode 14).In such formation, link and can cut off the aforementioned currents path in the action of pulling down LASER Light Source portion 10, also can avoid the performance degradation of light generation portion 12 and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion 10 is abused prevent trouble before it happens.
The 2nd execution mode
Fig. 2 is the mode sectional drawing of an example of the laser light-source device of expression the 2nd execution mode of the present invention.In Fig. 2, to adding same-sign with the inscape something in common of Fig. 1.The difference of in the laser light-source device 2 of present embodiment and laser light-source device 1 the 1st execution mode is fixed part 21 and uncinus 22.
Fixed part 21 (fixed component) can have screw element 17 identical functions with Fig. 1.At housing 16 screwed hole 16a this point is set, at substrate 11 through hole 11a this point, fixed part 21 is set and inserts by through hole 11a and lead to screwed hole 16a this point, also identical with Fig. 1.That is, fixed part 21 has part by substrate 11, LASER Light Source portion 10 is fixed in the function of housing 16 (support sector).But on fixed part 21, uncinus 22 (breaking units, cut-out member) is installed integratedly or as split.Uncinus 22 is members of front end bending, though the firm material of preferable alloy etc., also can be by formations such as resin or timber.That is, uncinus 22 gets final product so long as can collude the intensity and the shape of hanging cutting key zygonema 13.
And uncinus 22 is followed in the rotation of fixed part 21 and is rotated.The part of grouping key zygonema 13 within the pivot region of this uncinus 22.And, also can follow mobile in fixed part 21, the part of grouping key zygonema 13 within the moving area of this uncinus 22 for: uncinus 22.
Thus, the laser light-source device 2 of present embodiment will link when housing 16 is pulled down LASER Light Source portion 10 in the action of rotation fixed part 21, and uncinus 22 can collude hangs bonding line 13 and with its cut-out.Therefore, laser light-source device 2 can avoid the performance degradation of light generation portion 12 and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion 10 is abused prevents trouble before it happens.
The 3rd execution mode
Fig. 3 is the pattern stereogram of an example of the laser light-source device of expression the 3rd execution mode of the present invention.In Fig. 3, to adding same-sign with the inscape something in common of Fig. 1.The difference of in the laser light-source device 3 of present embodiment and laser light-source device 1 the 1st execution mode is fixed part 31 and cut-out portion 32.In cut-out portion 32, form through hole 33.
Fixed part 31 (fixed component) can have screw element 17 identical functions with Fig. 1.At housing 16 screwed hole 16a this point is set, at substrate 11 through hole 11a this point, fixed part 21 is set and inserts by through hole 11a and lead to screwed hole 16a this point, also identical with Fig. 1.That is, fixed part 31 has part by substrate 11, LASER Light Source portion 10 is fixed in the function of housing 16 (support sector).Wherein, to fixed part 31, tabular cut-out portion 32 (breaking units, cut-out member) is installed integratedly or as split in the part of the screw element head that is equivalent to screw element.And, as shown in FIG. 3, through hole 33 is set at the cathode electrode 15 of cut-out portion 32 and the end of anode electrode 14 sides, in the through hole 33 of cut-out portion 32, bonding line 13 connects.
Thus, the laser light-source device 3 of present embodiment links in will be from the action of housing 16 is pulled down LASER Light Source portion 10 time rotation fixed part 31, and cut-out portion 32 also rotates, also and then move the position of through hole 33 thereupon, can be with the cutting key zygonemas 13 such as side of the through hole 33 of cut-out portion 32.Therefore, laser light-source device 3 can avoid the performance degradation of light generation portion 12 and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion 10 is abused prevents trouble before it happens.
The 4th execution mode
Fig. 4 is the figure of an example of the laser light-source device 4 of expression the 4th execution mode of the present invention.Fig. 4 (a) is the mode sectional drawing of laser light-source device 4.Fig. 4 (b) is the plane graph of the part of a part, the screw element 17 of the bonding line 13 among Fig. 4 (a) and the member 40 that opens circuit.In Fig. 4 to the additional same-sign of the inscape something in common of Fig. 1.The difference of in the laser light-source device 4 of present embodiment and laser light-source device 1 the 1st execution mode is the member 40 that opens circuit.
The member 40 (breaking units, cut off member) that opens circuit is 1 tabular component with connecting portion 41, spring 42 and cut-out portion 43.The open circuit tabular component of member 40 of formation, the material that elasticity such as preferable alloy are high.Connecting portion 41 is the parts that connect or be contacted with substrate 11.Spring 42 is the parts that can reversibly be out of shape.Cut-out portion 43 is near the parts that are disposed at bonding line 13.In addition, between the spring 42 of the member 40 that opens circuit and cut-out portion 43, through hole is set.Under the situation of this example, cut out screwed hole 16a at the upper surface of housing 16, on the substrate 11 of LASER Light Source portion 10, form through hole 11a.At this, upper surface at housing 16, the position that makes the position of screwed hole 16a and through hole 11a is mounting substrate 11 accordingly, top from the member 40 that opens circuit, by the through hole of the member 40 that opens circuit, the through hole 11a of substrate 11, logical screw element 17 is inserted in the inside of double thread hole 16a, carries out screw element stop.Under the open state that does not carry out screw element stop, the member 40 that opens circuit forms smooth shape from the height along continuous straight runs of connecting portion 41, under the state that has carried out screw element stop, open circuit member 40 in the part generation strain of spring 42, be fixed with the state that presses on the upper surface of substrate 11 by screw element 17.Therefore, if from this state the position of cut-out portion 43 is moved, bonding line 13 is hung and with its cut-out with regard to colluding by this cut-out portion 43.The shape of cut-out portion 43 except the hook shape shown in Fig. 4, can also be in the such shape of the through hole 33 of the cut-out portion 32 shown in Fig. 3.Under the situation of shape that is through hole, configuration makes bonding line 13 connect this through hole.
Thus, the laser light-source device 4 of present embodiment, if will pull down LASER Light Source portion 10 and loosening screw element 17 from housing 16, elastic recovery takes place in the spring 42 of the member 40 that then opens circuit.So the member 40 that opens circuit just rotates like that as fulcrum with connecting portion 41 and moves, cut-out portion 32 moves above accompanying drawing.By moving of this cut-out portion 32, the edge of this cut-out portion 32 etc. colludes and hangs bonding line 13 and with its cut-out.Therefore, laser light-source device 4 can avoid the performance degradation of light generation portion 12 and manufacturing cost to increase, and the behavior that taking-up LASER Light Source portion 10 is abused prevents trouble before it happens.
(display unit)
Secondly, an execution mode to any display unit of having adopted aforementioned laser light supply apparatus 1～4 describes.
Fig. 5 is about the scan type display device 100 for the full color of the display unit of present embodiment, represents the block diagram that its summary constitutes.Scan type display device 100, possess: by red light source 102, green light source 110, and the light source that constitutes of blue-light source 101, the reflecting plate 103 of reflection red light, the reflecting plate 104 of reflect blue light, the dichronic mirror 105 of transmit green light and reflection red light, the dichronic mirror 106 of transmit green light and reflect blue light, the display panel 108 that the light of scanning mirror 107 that light source light is scanned and the mirror of self-scanning in the future 107 manifests as image.
Red light source 102, green light source 110, and blue-light source 101, respectively, by constituting at any of the laser light-source device shown in Fig. 1～Fig. 4 1～4.
From the red light that red light source 102 penetrates, be reflected plate 103 and dichronic mirror 105 reflections, and then transmission dichronic mirror 106 is directed to scanning mirror 107.And,, be reflected plate 104 and dichronic mirror 106 reflections and be directed to scanning mirror 107 from the blue light that blue-light source 101 penetrates.And then from the green light that green light source 110 penetrates, transmission dichronic mirror 105 and dichronic mirror 106 are directed to scanning mirror 107.With scanning mirror 107, scan corresponding to the image that on display panel 108, manifests.
According to the scan type display device 100 of present embodiment, can constitute red light source 102, green light source 110, and the LASER Light Source portion 10 of the blue-light source 101 and behavior that injures human body and misuse in weapon etc. prevents trouble before it happens to pulling down.
(projector)
Secondly, an execution mode to any projector of having adopted aforementioned laser light supply apparatus 1～4 describes.
Fig. 6 is the projector 70 about present embodiment, represents the figure that its summary constitutes, and is the example of 3 plate modes.In projector 70, adopt: make the semiconductor laser of the coloured light that sends redness (R) constitute 2 dimension array-likes array light source 10r, send the coloured light of green (G) array light source 10g, make the semiconductor laser of the coloured light that sends blueness (B) constitute 3 of array light source 10b of 2 dimension array-likes, as light source.
The illumination of penetrating from each array light source 10r, 10g, 10b is mapped on the liquid crystal light valve 75 (optic modulating device).That is,, the liquid crystal light valve 75 that each coloured light of R, G, B is modulated is set respectively in the exiting side of each array light source 10r, 10g, 10b.And, constitute: the coloured light of 3 looks of being modulated by each liquid crystal light valve 75, incide cross colour splitting prism (look synthesis unit) 77.This prism 77 is fitted with 4 right-angle prisms, and crosswise ground forms the dielectric multilayer film of reflection red light and the dielectric multilayer film of reflect blue light on inner face.Form the light of expression coloured image by coloured light Lr, Lg, the Lb of synthetic 3 looks of these dielectric multilayer films.Light after look is synthetic is projected lens 76 (projection arrangement) and projects on the screen 79, shows the image that has amplified.
The aforementioned formation of having represented to adopt the liquid crystal light valve of transmission-type also has, though also can adopt the reflection-type light valve.And, can also adopt Digital Micromirror Device.
According to the projector 70 of present embodiment, can be to the LASER Light Source portion 10 of pulling down forming array light source 10r, array light source 10g, array light source 10b and the behavior that injures human body and misuse in weapon etc. prevent trouble before it happens.
Also have, technical scope of the present invention is not limited to aforementioned embodiments, can be in the scope that does not break away from purport of the present invention in addition various changes.For example, in the above-described embodiment, is that the center describes with various cut-out cutting of members as the example of the bonding line of the part of current path, but also can replace the formation of cutting key zygonema, and form the formation of cutting off cutting of members or destroying the electrode of anode electrode, cathode electrode etc.For example, also can constitute: on the part of electrode, be pre-formed fragile part, knock this fragility part by the cut-out member and destroy electrode, and current path is opened circuit.
Claims (13)
1. laser light-source device is characterized in that having:
Has the LASER Light Source portion that makes the light generation portion that light vibrates;
Support the support sector of aforementioned laser light source portion;
The aforementioned laser light source portion is fixed in the fixed component of aforementioned support sector; And
Breaking units, it is when the aforementioned laser light source portion is pulled down by aforementioned support sector, link in the action of the stationary state of removing the aforementioned laser light source portion, the current path of giving the aforementioned lights oscillating portion supplying electric current in the aforementioned laser light source portion is opened circuit, wherein, the aforementioned fixation state produces by the aforementioned fixation member.
2. according to the described laser light-source device of claim 1, it is characterized in that:
The aforementioned laser light source portion has the substrate that is provided with the aforementioned lights oscillating portion;
The aforementioned fixation member, by aforementioned relatively support sector fixedly the screw element of aforesaid base plate constitute.
3. according to the described laser light-source device of claim 1, it is characterized in that:
Aforementioned breaking units has the cut-out member, and this cut-out member links in the action of the stationary state of removing the aforementioned laser light source portion, cuts off or destroy the part in aforementioned currents path.
4. according to the described laser light-source device of claim 3, it is characterized in that:
Aforementioned cut-out member is made of bonding agent, is adhered at least to this bonding agent continuity on part or all of part or all and aforementioned currents path of aforementioned fixation member.
5. according to the described laser light-source device of claim 4, it is characterized in that:
Aforementioned bonding agent is a bonding agent that is adhered to screw element and bonding line at least, and this screw element constitutes the aforementioned fixation member, and this bonding line constitutes the part in aforementioned currents path.
6. according to the described laser light-source device of claim 3, it is characterized in that:
Aforementioned cut-out member is the hook-shaped member that is installed on the aforementioned fixation member;
Aforementioned hook-shaped member links in the action of the stationary state of removing the aforementioned laser light source portion, and the member that constitutes the aforementioned currents path is cut off.
7. according to the described laser light-source device of claim 6, it is characterized in that:
Aforementioned hook-shaped member is connected in the screw element that constitutes the aforementioned fixation member, or is integrally formed in the aforementioned threads part, rotates along with the rotation of aforementioned threads part;
Among the pivot region of aforementioned hook-shaped member, dispose part or all of bonding line of a part that constitutes the aforementioned currents path.
8. according to the described laser light-source device of claim 3, it is characterized in that:
Aforementioned cut-out member is to possess the member that through hole is arranged, be arranged at the aforementioned fixation member;
The aforementioned currents path connects aforementioned through hole,
The aforementioned member that possesses through hole links in the action of the stationary state of removing the aforementioned laser light source portion, cuts off the member that constitutes the aforementioned currents path.
9. according to the described laser light-source device of claim 8, it is characterized in that:
The part of the aforementioned through hole of perforation in aforementioned currents path is a bonding line.
10. according to the described laser light-source device of claim 3, it is characterized in that:
Aforementioned cut-out member has spring and is disposed near the cut-out portion of the bonding line of a part that constitutes the aforementioned currents path;
Aforementioned spring is configured to link in the action of the stationary state of removing the aforementioned laser light source portion, and shape changes;
Aforementioned cut-out portion moves along with the change of shape of aforementioned spring, cuts off the previous key zygonema.
11. a display unit is characterized in that:
Possesses any one the described laser light-source device in the claim 1～10.
12. a scan type display device, the light compositing portion that it possesses red light source, green light source, blue-light source, synthesize the light from each color light source and the light after synthetic scanned and the scanner section of display image; It is characterized in that:
At least the light source of the same colour of aforementioned light source is made of any one the described laser light-source device in the claim 1～10.
13. a projector is characterized in that possessing:
The described laser light-source device of in the claim 1～10 any one;
To the optic modulating device of modulating from the light of aforementioned laser light supply apparatus; With
To the projection arrangement that is carried out projection by the light after the modulation of aforementioned lights modulating device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005169401 | 2005-06-09 | ||
| JP169401/2005 | 2005-06-09 | ||
| JP151479/2006 | 2006-05-31 |
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| CN1877930A CN1877930A (en) | 2006-12-13 |
| CN100440649C true CN100440649C (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100879480A Expired - Fee Related CN100440649C (en) | 2005-06-09 | 2006-06-08 | Laser light source device, display device, scanning type display device and projector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3382828A1 (en) * | 2017-03-31 | 2018-10-03 | Koninklijke Philips N.V. | Inherently safe laser arrangement comprising a vertical cavity surface emitting laser |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11340515A (en) * | 1998-05-22 | 1999-12-10 | Nichia Chem Ind Ltd | Light-emitting device and display device using the same |
| JP2001267670A (en) * | 2000-03-16 | 2001-09-28 | Sony Corp | Laser device |
| CN1487356A (en) * | 2002-05-10 | 2004-04-07 | 精工爱普生株式会社 | Illuminating apparatus and projector display device |
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2006
- 2006-06-08 CN CNB2006100879480A patent/CN100440649C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11340515A (en) * | 1998-05-22 | 1999-12-10 | Nichia Chem Ind Ltd | Light-emitting device and display device using the same |
| JP2001267670A (en) * | 2000-03-16 | 2001-09-28 | Sony Corp | Laser device |
| CN1487356A (en) * | 2002-05-10 | 2004-04-07 | 精工爱普生株式会社 | Illuminating apparatus and projector display device |
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| CN1877930A (en) | 2006-12-13 |
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