CN105954964A - Light source device and projector - Google Patents
Light source device and projector Download PDFInfo
- Publication number
- CN105954964A CN105954964A CN201610422571.3A CN201610422571A CN105954964A CN 105954964 A CN105954964 A CN 105954964A CN 201610422571 A CN201610422571 A CN 201610422571A CN 105954964 A CN105954964 A CN 105954964A
- Authority
- CN
- China
- Prior art keywords
- light
- sealing
- illuminating part
- supply apparatus
- reflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2066—Reflectors in illumination beam
Abstract
The invention provides a light source device and a projector. The light source device comprises a light-emitting tube and a reflector, wherein the light-emitting tube comprises a light-emitting part, a first seal part and a second seal part; the light-emitting part emits light beams; the first seal part extends towards a front end side from the light-emitting part; the second seal part extends towards a base end side from the light-emitting part; the reflector comprises a reflecting surface for reflecting the light beams emitted from the light-emitting part, and a first opening for emitting the light beams; the first seal part protrudes the first opening; the peripheral surface of the light-emitting part and the peripheral surface of the first seal part are intersected at a first intersection point; the angle formed by the straight line of the first intersection point and the central point of the light-emitting part and the front end side part of a center shaft of the light-emitting tube is a first angle; the end part of the front end side of the reflecting surface of the reflector is a boundary point; the angle formed by the straight line of the boundary point and the central point of the light-emitting part and the front end side part of the center shaft of the light-emitting tube is a second angle; and the first angle is not smaller than the second angle, so that one part of light beams, exceeding the boundary point, emitted from the light-emitting part enter the first seal part.
Description
Technical field
The present invention relates to a kind of light supply apparatus and scialyscope, particularly relate to a kind of light improving light source utilization rate
Source apparatus and scialyscope.
Background technology
Fig. 1 is the schematic diagram of the light supply apparatus of conventional projectors.Referring to Fig. 1, light supply apparatus 10 includes sending out
Light pipe 11 and reflector 12, luminous tube 11 has the illuminating part 111 in substantially spherical shape, illuminating part 111
In be provided with electrode (not shown), by between electrode formed electric arc make illuminating part 111 launch light.The
The one cylindrical shape of sealing 113, is arranged on the front side of illuminating part 111, and the second sealing 112 is in cylinder
Shape, is integrally disposed upon the rear side of illuminating part 111, the centre of luminescence O of illuminating part 111 and reflector 12
Focus F substantially overlap.Reflector 12 has the reflecting surface 121 arranging side formation at luminous tube 11 so that
From the light beam of luminous tube 11 injection, such as light beam L1 and L2, it is reflected face 121 and reflects the traveling of backward front side.
But, at least there is the most a part of light beam, as it is shown in figure 1, press from both sides between light beam L2 and light beam L3
Angle is that the light beam of θ becomes invalid light can not be utilized owing to cannot reflex to reflecting surface 121, wherein, and light
Bundle L2 is the line of centre of luminescence O and anterior end P1 of reflecting surface 121, and light beam L3 is the first sealing
The line of the intersection point Q1 and centre of luminescence O of portion 113 and illuminating part 111.For this technical problem, existing skill
Art typically takes to add reflecting mirror at the front side surface of illuminating part 11 makes light beam be reflected back the reflection of reflector 12
Face 121, or extend reflector 12 length make its anterior end surface more than the first sealing 113, but
Above-mentioned design or add the number of parts of light supply apparatus, adds manufacturing cost, or increases light source
The volume of device, is unfavorable for light supply apparatus or the miniaturization of scialyscope and the mounting arrangement of light supply apparatus.
In view of this, the present invention proposes a kind of light being designed by the shape of luminous tube and improving light source utilization rate
Source apparatus and scialyscope, simplify manufacturing process and decrease manufacturing cost.
Summary of the invention
Present invention is primarily targeted at and provide a kind of light utilization ratio realized from the light beam of illuminating part injection to carry
High light supply apparatus and projector.
The light supply apparatus of the present invention, including luminous tube and reflector, this luminous tube is positioned at the inside of this reflector,
This reflector, for reflecting the light beam of this luminous tube injection, sets the light beam injection direction of this light supply apparatus as front
Side, the direction in opposite direction with the injection of the light beam of this light supply apparatus is base end side, it is characterised in that: this
Light pipe possess the illuminating part of outgoing beam, the first sealing extended to this front from this illuminating part and from
The second sealing that this illuminating part extends to this base end side, the central point of this illuminating part is positioned at Jiao of this reflector
On some position；This reflector possesses the reflecting surface making the light beam penetrated from this illuminating part reflect and for penetrating
Going out the first opening of light beam, this first sealing protrudes from this first opening；Wherein, the periphery of this illuminating part
The outer peripheral face of face and this first sealing intersects at the first intersection point, this first intersection point and the central point of this illuminating part
The front part angulation of central shaft of straight line and this luminous tube be the first angle, this reflector
The end, front of reflecting surface is boundary point, the straight line of the central point of this boundary point and this illuminating part and this luminescence
The front part angulation of the central shaft of pipe is the second angle, and this first angle is not less than this second jiao
Degree so that the segment beam beyond this boundary point penetrated from this illuminating part is incident upon this first sealing.
In the present invention, it is preferred to, this first sealing is frustum shape, the outer peripheral face of this first sealing
External diameter be gradually increased towards this illuminating part.
In the present invention, it is preferred to, this illuminating part is in substantially spherical shape, and this second sealing is cylindrical
Shape, the maximum outside diameter of this first sealing is less than the maximum outside diameter of this illuminating part, and is more than this second sealing
External diameter.
In the present invention, it is preferred to, this reflector also includes the first opening, this first opening through this second
Sealing, this reflecting surface is in the concave curve surface shape extended to this front from this second opening.
In the present invention, it is preferred to, this reflecting surface is Ellipsoidal Surface shape or parabolic surface shape.
In the present invention, it is preferred to, this first sealing is all one-body molded with this illuminating part with this second sealing.
In the present invention, it is preferred to, the material of this luminous tube is optical glass or optical resin.
In the present invention, it is preferred to, this first sealing includes exiting surface and the company being positioned at this front end face
Connecing the fully reflecting surface of this exiting surface and this illuminating part, the development length of this fully reflecting surface is straight more than this exiting surface
Footpath, is incident upon after the light beam of this fully reflecting surface is totally reflected repeatedly by this illuminating part and penetrates from this exiting surface.
In the present invention, it is preferred to, the fully reflecting surface of this first sealing is a total reflection coating or a reflection
Minute surface.
The scialyscope of the present invention, is the light beam penetrated from light source according to modulate image information and is formed and amplify throwing
The scialyscope of shadow optical image, it is characterised in that comprise the light supply apparatus described in any of the above-described item.
Compared with prior art, the light supply apparatus of present invention offer and scialyscope, only by luminous tube
Special shape design improves the light utilization ratio of light source, the most effectively controls production cost, and light source
The less miniaturization being easy to light supply apparatus and scialyscope of the overall volume of device.
Accompanying drawing explanation
Fig. 1 is the generalized section of the structure of the light supply apparatus of conventional projectors；
The generalized section of the structure of a kind of light supply apparatus that Fig. 2 provides for one embodiment of the invention；
The schematic perspective view of the structure of a kind of light supply apparatus that Fig. 3 provides for one embodiment of the invention；
The schematic perspective view of the structure of the luminous tube of a kind of light supply apparatus that Fig. 4 provides for one embodiment of the invention；
The generalized section of the structure of a kind of light supply apparatus that Fig. 5 provides for another embodiment of the present invention.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
In the description, same or analogous drawing reference numeral represents same or analogous parts.Following the most right
The explanation of embodiment of the present invention is intended to explain the present general inventive concept of the present invention, and is not to be understood that
For a kind of restriction to the present invention.
General plotting according to the present invention, it is provided that a kind of light supply apparatus, including luminous tube and reflector, this
Light pipe is positioned at the inside of this reflector, and this reflector, for reflecting the light beam of this luminous tube injection, sets this light
The light beam injection direction of source apparatus is front, and the direction in opposite direction with the injection of the light beam of this light supply apparatus is
Base end side, it is characterised in that this luminous tube possesses the illuminating part of outgoing beam, from this illuminating part to this front end
The first sealing that side extends and the second sealing of extending to this base end side from this illuminating part, this illuminating part
Central point be positioned on the focal position of this reflector；This reflector possesses the light beam making to penetrate from this illuminating part
The reflecting surface of reflection and for the first opening of outgoing beam, this first sealing protrudes from this and first opens
Mouthful；Wherein, the outer peripheral face of the outer peripheral face of this illuminating part and this first sealing intersects at the first intersection point, and this is the years old
Angle formed by the front part of the straight line of the central point of one intersection point and this illuminating part and the central shaft of this luminous tube
Degree is the first angle, and the end, front of the reflecting surface of this reflector is boundary point, this boundary point and this luminescence
The straight line of the central point in portion is the second angle with the front part angulation of the central shaft of this luminous tube,
This first angle is not less than this second angle so that the part light beyond this boundary point penetrated from this illuminating part
Bundle is incident upon this first sealing.
In the following detailed description, for ease of explaining, elaborate that many concrete details are to provide this
Comprehensive understanding of bright embodiment.It should be apparent, however, that one or more embodiments are not having these details
In the case of can also be carried out.In other cases, known construction and device embodies schematically
To simplify accompanying drawing.
Embodiment 1
Below according to accompanying drawing, embodiments of the invention 1 are illustrated.Fig. 2 is that the embodiment of the present invention 1 provides
The generalized section of structure of a kind of light supply apparatus 10A, Fig. 3 is the one that the embodiment of the present invention 1 provides
The schematic perspective view of the structure of light supply apparatus 10A, a kind of light source dress that Fig. 4 provides for the embodiment of the present invention 1
Put the schematic perspective view of the structure of the luminous tube 11A of 10A.
As shown in Figures 2 and 3, light supply apparatus 10A includes that luminous tube 11A and reflection this luminous tube 11A penetrates
The reflector 12 of the light beam gone out, luminous tube 11A is positioned at the inside of reflector 12, in other words, light supply apparatus
10A is the device light beam penetrated from luminous tube 11A being adjusted to certain orientation and making it penetrate.It addition,
In the present invention, the light beam of light supply apparatus 10A is penetrated direction and represents as front, will be with light supply apparatus
It is that base end side represents that the light beam of 10A penetrates direction in opposite direction.
As shown in Figure 2 to 4, luminous tube 11A possesses the illuminating part 111A of outgoing beam, from this illuminating part
The first sealing 113A that 111A side forward extends and extend to base end side from this illuminating part 111A the
Two sealing 112A.
Wherein, in the inside of illuminating part 111A, enclosed not shown in figure at inside interval distance to a declared goal
The electrode of a pair tungsten of configuration and hydrargyrum, rare gas and a small amount of halogen.Before illuminating part 111A
The first sealing 113A that side extends and the inside of the second sealing 112A to base end side extension, respectively
Insert the metal forming (not shown) of the molybdenum electrically connected with the electrode of illuminating part 111A, and use glass material
Etc. being packaged.And then, the lead-in wire (not shown) as electrode outlet line is connected with each metal forming, and this draws
Line extends to the outside of luminous tube 11A, when applying voltages on this lead-in wire, by metal forming shape between electrode
Potential difference is become to produce electric discharge, so that illuminating part 111A is luminous.It addition, by the luminescence of illuminating part 111A
Center O illustrates as the substantial middle position of illuminating part 111A, and, along the first sealing 113A
With the central shaft X of the luminous tube 11A of the bearing of trend of the second sealing 112A by this centre of luminescence O,
Meanwhile, the central shaft of the light beam that the central shaft X and light supply apparatus 10A of luminous tube 11A penetrates is substantially uniform.
The various illuminators of high briliancy luminescence can be used as luminous tube 11A, it is for instance possible to use metal
Halide lamp, high-pressure mercury-vapor lamp, extra-high-pressure mercury vapour lamp etc..
Reflector 12 possess have be positioned at base end side the second opening 123, make from illuminating part 111A injection light beam
The reflecting surface 121 of reflection and for the first opening 122 of outgoing beam, the second opening 123 through this
Two sealing 112A, reflecting surface 121 is in the concave curve surface shape from the second opening 123 side forward extension.Instead
Penetrating face 121 can be Ellipsoidal Surface shape or parabolic surface shape, and specifically, reflector 12 is bent at ellipsoid
Metal film on the glass surface of face shape or parabolic surface shape and formed, reflecting surface 121 uses instead
Penetrate visible ray and pass through ultrared cold mirror.
Above-mentioned luminous tube 11A is arranged in the inside of reflector 12, as shown in Figures 2 and 3, is configured to make to send out
The centre of luminescence O of light portion 111A is on the focal position F of reflector 12, such as, if reflecting surface 121 is
Parabolic surface shape, then centre of luminescence O is positioned on the focal position F of parabolic surface, if reflecting surface 121 is
Ellipsoidal Surface shape, then on the focal position F of the close base end side that centre of luminescence O is positioned at Ellipsoidal Surface.When
When lighting luminous tube 11A, reflect by the reflecting surface 121 of reflector 12 from the light beam of illuminating part 111A injection
Backward front is penetrated.
It addition, the length dimension that the length dimension of the optical axis direction of reflector 12 is than luminous tube 11A is little, will send out
When light pipe 11A is installed on reflector 12, the first sealing 113A of luminous tube 11A protrudes from reflector
Light beam injection opening that is first opening 123 of 12.
As shown in Figure 2 to 4, the illuminating part 111A of luminous tube 11A has the shape expanded in substantially sphere,
First sealing 113A, the second sealing 112A are the first sealing with the position, boundary of illuminating part 111A
113A, outer shape and the link position of the outer shape of illuminating part 111A of the second sealing 112A, enter
One step ground, the crossing position of the outer peripheral face of illuminating part 111A and the outer peripheral face of the first sealing 113A is referred to as the
Front part (Fig. 2 and Fig. 3 of the central shaft X of one intersection point Q2, the first intersection point Q2 and luminous tube 11A
Shown in the positive direction of X-axis) angulation is the first angle [alpha].
As in figure 2 it is shown, the end, front of the reflecting surface 121 of reflector 12 is boundary point P1, say, that
Reflecting surface 121 the border light beam L2 of reflectible light beam be centre of luminescence O and the border of illuminating part 111A
The straight line of some P1, the outer peripheral face of border light beam L2 and luminous tube 11A (outer peripheral face of illuminating part 111A or the
The outer peripheral face of one sealing 113A) intersect at the second intersection point P2, and, border light beam L2 and luminous tube 11A
The front part angulation of central shaft X be the second angle beta.
First angle [alpha] is equal to the second angle beta, that is, the first intersection point Q2 and the second intersection point P2 overlaps, as
This so that the light beam exceeding boundary point P1 penetrated from the centre of luminescence O of illuminating part 111A can be injected
The inside of the first sealing 113A is reflected, thus improves the light utilization efficiency of light source.
As shown in Figure 2 to 4, the first sealing 113A is truncated cone shape, and, the first sealing 113A
The external diameter of outer peripheral face be gradually increased towards illuminating part 111A, the first sealing 113A includes being positioned at front
The exiting surface 1132A of end face and the fully reflecting surface 1131A of connection exiting surface 1132A and illuminating part 111A,
The development length a of fully reflecting surface 1131A is more than the diameter b of exiting surface 1132A, therefore, by illuminating part 111A
Be incident upon the light beam of the fully reflecting surface 1131A of the first sealing 113A, such as the light beam L4 in Fig. 2, warp
Penetrate from exiting surface 1132A after crossing total reflection repeatedly.
The second cylindrical shape of sealing 112A, but it is not limited to this.As in figure 2 it is shown, the second sealing 112A
External diameter and the equal diameters of exiting surface 1132A of the first sealing 113A, the first sealing 113A is
Big external diameter is less than the maximum outside diameter d of illuminating part.
Additionally, the first sealing 113A of luminous tube 11A, the second sealing 112A and illuminating part 111A are
Integrated, the material of luminous tube 11A is optical glass or optical resin.
Additionally, the fully reflecting surface 1131A of the first sealing 113A is a total reflection coating or a mirror surface,
But it is not limited to this.
The present embodiment also includes a kind of scialyscope, and scialyscope is the light penetrated from light source according to modulate image information
Bundle and form optical image and optical device that amplification projects on screen, comprise light supply apparatus described above
10A。
Embodiment 2
Below according to accompanying drawing, embodiments of the invention 2 are illustrated.Fig. 5 is that the embodiment of the present invention 2 provides
The generalized section of structure of a kind of light supply apparatus 10B.
In the following description, give identical for the structure as above-described embodiment 1 and identical parts
Label and detail explanation is omitted or simplified.
In example 2, as it is shown in figure 5, light supply apparatus 10B includes luminous tube 11B and reflects this luminescence
The reflector 12 of light beam of pipe 11B injection, luminous tube 11B is positioned at the inside of reflector 12, in other words,
Light supply apparatus 10B is the device light beam penetrated from luminous tube 11B being adjusted to certain orientation and making it penetrate.
It addition, in the present invention, the light beam of light supply apparatus 10B is penetrated direction and represents as front, will be with light
It is that base end side represents that the light beam of source apparatus 10B penetrates direction in opposite direction.Luminous tube 11B possesses injection light
Bundle illuminating part 111B, from this illuminating part 111B side forward extend the first sealing 113B and from should
The second sealing 112B that illuminating part 111B extends to base end side.
Above-mentioned luminous tube 11B is arranged in the inside of reflector 12, is configured to make in the luminescence of illuminating part 111B
Heart O is on the focal position F of reflector 12, such as, if reflecting surface 121 is parabolic surface shape, then sends out
Light center O is positioned on the focal position F of parabolic surface, if reflecting surface 121 is Ellipsoidal Surface shape, then sends out
On the focal position F of the close base end side that light center O is positioned at Ellipsoidal Surface.When lighting luminous tube 11B,
The injection of backward front is reflected by the reflecting surface 121 of reflector 12 from the light beam of illuminating part 111B injection.
It addition, the length dimension that the length dimension of the optical axis direction of reflector 12 is than luminous tube 11B is little, will send out
When light pipe 11B is installed on reflector 12, the first sealing 113B of luminous tube 11B protrudes from reflector
Light beam injection opening that is first opening 123 of 12.
As it is shown in figure 5, the illuminating part 111B of luminous tube 11B has expands shape in substantially sphere, first
The position, boundary of sealing 113B, the second sealing 112B and illuminating part 111B be the first sealing 113B,
The outer shape of the second sealing 112B and the link position of the outer shape of illuminating part 111B, further,
The position that the outer peripheral face of illuminating part 111B and the outer peripheral face of the first sealing 113B intersect is referred to as the first intersection point
Front part (the X-axis shown in Fig. 5 of the central shaft X of Q2 ', the first intersection point Q2 ' and luminous tube 11B
Positive direction) angulation is the first angle [alpha] '.
As it is shown in figure 5, the end, front of the reflecting surface 121 of reflector 12 is boundary point P1, say, that
Reflecting surface 121 the border light beam L2 of reflectible light beam be centre of luminescence O and the border of illuminating part 111B
The straight line of some P1, the outer peripheral face of border light beam L2 and luminous tube 11B (outer peripheral face of illuminating part 111B or the
The outer peripheral face of one sealing 113B) intersect at the second intersection point P2 ', and, border light beam L2 and luminous tube 11A
The front part angulation of central shaft X be the second angle beta '.
First angle [alpha] ' more than the second angle beta ', that is, the first intersection point Q2 ' more leans on compared with the second intersection point P2 '
Nearly base end side, so so that the light exceeding boundary point P1 penetrated from the centre of luminescence O of illuminating part 111A
Bundle can be injected the inside of the first sealing 113B and reflect, thus improves the light utilization efficiency of light source.
Further, as it is shown in figure 5, on the reflecting surface 121 of reflector 12 by boundary point P1 with close
The borderline region S that the end points Q1 of boundary point P1 is constituted typically cannot inject owing to the beam angle of reflection is excessive
The guiding device (not shown) in light supply apparatus 10B front so that this segment beam can not be utilized, therefore,
The present embodiment can be according to the straight line (light shown in Fig. 5 of the end points Q1 and centre of luminescence O of borderline region S
Bundle L2 ') determine the position of the first intersection point Q2 ' with the intersection point of the outer peripheral face of light supply apparatus 10B, because reflection
Face 121 upper extreme point Q1 than boundary point P1 closer to base end side, so on the outer peripheral face of light supply apparatus 10B
First intersection point Q2 ' is also closer to base end side compared with the second intersection point P2 ', and so making originally to be incident to cannot be by
The light beam of borderline region S utilized can be injected the inside of the first sealing 113B and reflect, and finally by
Exiting surface 1132B penetrates, and so, can effectively alleviate the problem that the marginal portion light utilization efficiency of reflector 12 is low,
And then the light utilization ratio of the light beam that from illuminating part 111B penetrate is greatly improved.
As it is shown in figure 5, the first sealing 113B is truncated cone shape, and, the first sealing 113B's
The external diameter of outer peripheral face is gradually increased towards illuminating part 111B, and the first sealing 113B includes being positioned at front end side
The exiting surface 1132B in face and the fully reflecting surface 1131B of connection exiting surface 1132B and illuminating part 111B, by sending out
Light portion 111B is incident upon the light beam of the fully reflecting surface 1131B of the first sealing 113B, such as light beam L4 ',
Penetrate from exiting surface 1132B after total reflection repeatedly.
Additionally, the first sealing 113B of luminous tube 11B, the second sealing 112B and illuminating part 111B are one
Body formed, the material of luminous tube 11B is optical glass or optical resin.
Additionally, the fully reflecting surface 1131B of the first sealing 113B is a total reflection coating or a mirror surface,
But it is not limited to this.
The present embodiment also includes a kind of scialyscope, and scialyscope is the light penetrated from light source according to modulate image information
Bundle and form optical image and optical device that amplification projects on screen, comprise light supply apparatus described above
10B。
Although describing the present invention in conjunction with accompanying drawing, but the embodiment disclosed in accompanying drawing is intended to this
Bright preferred implementation is illustrative, and it is not intended that a kind of of the present invention is limited.In order to clearly
Parts needed for Chu's description, the ratio in schematic figures is not offered as the proportionate relationship of physical unit.
The present invention is except can utilizing in addition on scialyscope, it is also possible to utilize on other optical devices.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only and implements the present invention's
Example.It must be noted that, the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, not
The change made in departing from the spirit and scope of the present invention and retouching, all belong to the scope of patent protection of the present invention.
Claims (10)
1. a light supply apparatus, including luminous tube and reflector, this luminous tube is positioned at the inside of this reflector,
This reflector, for reflecting the light beam of this luminous tube injection, sets the light beam injection direction of this light supply apparatus as front
Side, the direction in opposite direction with the injection of the light beam of this light supply apparatus is base end side, it is characterised in that
This luminous tube possess outgoing beam illuminating part, from this illuminating part extend to this front first sealing
Portion and the second sealing extended to this base end side from this illuminating part, the centre of luminescence of this illuminating part is positioned at this
On the focal position of reflector；
This reflector possesses the reflecting surface making the light beam penetrated from this illuminating part reflect and for outgoing beam
The first opening, this first sealing protrudes from this first opening；
Wherein, the outer peripheral face of the outer peripheral face of this illuminating part and this first sealing intersects at the first intersection point, and this is the years old
Formed by the front part of the straight line of the centre of luminescence of one intersection point and this illuminating part and the central shaft of this luminous tube
Angle is the first angle, and the end, front of the reflecting surface of this reflector is boundary point, this boundary point and this
The straight line of the centre of luminescence in light portion is second jiao with the front part angulation of the central shaft of this luminous tube
Degree, this first angle is not less than this second angle so that the portion beyond this boundary point penetrated from this illuminating part
Divided beams is incident upon this first sealing.
2. light supply apparatus as claimed in claim 1, it is characterised in that this first sealing is truncated cone
Shape, the external diameter of the outer peripheral face of this first sealing is gradually increased towards this illuminating part.
3. light supply apparatus as claimed in claim 2, it is characterised in that this illuminating part in substantially spherical shape,
This cylindrical shape of the second sealing, the maximum outside diameter of this first sealing is less than the maximum outside diameter of this illuminating part,
And more than the external diameter of this second sealing.
4. light supply apparatus as claimed in claim 1, it is characterised in that this reflector also includes the second opening,
This second opening this second sealing through, this reflecting surface is recessed in extend to this front from this second opening
Curve form.
5. light supply apparatus as claimed in claim 4, it is characterised in that this reflecting surface is Ellipsoidal Surface shape
Or parabolic surface shape.
6. light supply apparatus as claimed in claim 1, it is characterised in that this first sealing, this is second close
This illuminating part of Feng Junyu is one-body molded.
7. light supply apparatus as claimed in claim 6, it is characterised in that the material of this luminous tube is optics glass
Glass or optical resin.
8. light supply apparatus as claimed in claim 1, it is characterised in that this first sealing includes being positioned at this
The exiting surface of front end face and the fully reflecting surface connecting this exiting surface and this illuminating part, prolonging of this fully reflecting surface
Elongation is more than the diameter of this exiting surface, this illuminating part the light beam being incident upon this fully reflecting surface is all-trans repeatedly
Penetrate from this exiting surface after penetrating.
9. light supply apparatus as claimed in claim 8, it is characterised in that the fully reflecting surface of this first sealing
It is a total reflection coating or a mirror surface.
10. a scialyscope, is the light beam penetrated from light source according to modulate image information and is formed and amplify throwing
The scialyscope of shadow optical image, it is characterised in that comprise the dress of the light source described in any one in claim 1～9
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422571.3A CN105954964A (en) | 2016-06-15 | 2016-06-15 | Light source device and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422571.3A CN105954964A (en) | 2016-06-15 | 2016-06-15 | Light source device and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105954964A true CN105954964A (en) | 2016-09-21 |
Family
ID=56905796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610422571.3A Pending CN105954964A (en) | 2016-06-15 | 2016-06-15 | Light source device and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105954964A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661464A (en) * | 2004-02-27 | 2005-08-31 | 精工爱普生株式会社 | Light source device and projector |
| CN101196277A (en) * | 2006-12-05 | 2008-06-11 | 卡西欧计算机株式会社 | Light source device, light source unit and projector |
-
2016
- 2016-06-15 CN CN201610422571.3A patent/CN105954964A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661464A (en) * | 2004-02-27 | 2005-08-31 | 精工爱普生株式会社 | Light source device and projector |
| CN101196277A (en) * | 2006-12-05 | 2008-06-11 | 卡西欧计算机株式会社 | Light source device, light source unit and projector |
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