CN109507843A - Combined optical module - Google Patents
Combined optical module Download PDFInfo
- Publication number
- CN109507843A CN109507843A CN201710826084.8A CN201710826084A CN109507843A CN 109507843 A CN109507843 A CN 109507843A CN 201710826084 A CN201710826084 A CN 201710826084A CN 109507843 A CN109507843 A CN 109507843A
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- Prior art keywords
- light source
- light
- adjustment mechanism
- mould group
- combined optical
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- 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
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
Abstract
Disclosed herein a kind of combined optical modules, including first light source, second light source, the first spectroscope and the first adjustment structure.First light source is to export the first light.Second light source is to export the second light.First spectroscope is set in the transmission path of the first light and the second light, wherein the first light is incident to second light source via the first spectroscope.The position of the first adjustment structural adjustment second light source.The combined optical module of this hair brightness with higher performance and can improve the image quality being applied in projector.
Description
Technical field
The present invention relates to a kind of combined optical modules, and more particularly to a kind of combined optical module with adjustment mechanism.
Background technique
It in known projective module group, is sent out using emitting red light diode, blue-light-emitting diode and green light
Near-infrafed photodiodes generate a projection ray.The image brilliance that projective module group is projected will depend on its light source module group and be exported
Light luminance.Therefore, how further effectively excitation green luminescence diode has become that this field is urgently to be resolved to ask
One of topic.
Summary of the invention
The embodiment of the present invention provides a kind of combined optical module, and the position, spectroscopical of light source is adjusted using adjustment mechanism
Position or the position of collimation lens, to improve the brightness performance of combined optical module, and brightness with higher and raising are applied to throw
Image quality on shadow machine.
The combined optical module of one embodiment of the invention, including first light source, second light source, the first spectroscope and the first adjustment
Structure.First light source is to export the first light.Second light source is to export the second light.First spectroscope is set to the first light
In the transmission path of line and the second light, wherein the first light is incident to second light source via the first spectroscope.The first adjustment
The position of structural adjustment second light source.
In the combined optical module of one embodiment of the invention, including first light source mould group, second light source mould group, third light source die
Group, the 4th light source module group, the first spectroscope, the second spectroscope and the first adjustment mechanism.First light source mould group is to export
One blue light.Second light source mould group is to export green light.Third light source module group is to export the second blue light.4th light source module group to
Export feux rouges.First spectroscope is set in the transmission path of the first blue light, the second blue light and green light, wherein the first blue light via
First spectroscope and be incident to second light source mould group.Second spectroscope is set to the transmission path of feux rouges, the second blue light and green light
On.The position that the first adjustment mechanism is incident to second light source mould group to change the first blue light.
Based on above-mentioned, since the combined optical module of the embodiment of the present invention is provided with adjustment mechanism, using adjustment mechanism
Design adjust the position of light source, spectroscopical position or the position of collimation lens, be incident to light source module group to change light
Position, to reach preferable launching efficiency.In short, the combined optical module of the embodiment of the present invention can brightness performance with higher
And improve the image quality being applied in projector.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate institute's accompanying drawings
It is described in detail below.
Detailed description of the invention
Fig. 1 is schematically shown as a kind of schematic diagram of combined optical module of one embodiment of the invention.
Fig. 2A is schematically shown as a kind of schematic diagram of adjustment mechanism of one embodiment of the invention.
The locking parts that Fig. 2 B is schematically shown as the adjustment mechanism of Fig. 2A are locked in the schematic diagram of Y-direction.
The schematic diagram that the light source module group of adjustment mechanism and Fig. 1 that Fig. 2 C is schematically shown as Fig. 2A fits together.
The signal that the light source module group and collimation lens that Fig. 2 D is schematically shown as in the adjustment mechanism and Fig. 1 of Fig. 2A fit together
Figure.
Fig. 2 E is schematically shown as the adjustment mechanism of Fig. 2A and the light source module group in a radiator and Fig. 1, collimation lens are assembled in
Schematic diagram together.
Fig. 3 A is schematically shown as a kind of adjustment mechanism of another embodiment of the present invention and spectroscope and collimation lens in Fig. 1
Perspective exploded view.
Fig. 3 B is schematically shown as the schematic top plan view of Fig. 3 A.
Fig. 4 A is schematically shown as a kind of adjustment mechanism of another embodiment of the present invention and spectroscope and collimation lens in Fig. 1
Perspective exploded view.
Fig. 4 B is schematically shown as the schematic top plan view of Fig. 4 A.
The adjustment mechanism that Fig. 4 C to 4D is schematically shown as Fig. 4 A adjusts the schematic diagram of spectroscopical position.
Specific embodiment
Fig. 1 is schematically shown as a kind of schematic diagram of combined optical module of one embodiment of the invention.Fig. 2A is schematically shown as of the invention one
A kind of schematic diagram of adjustment mechanism of embodiment.The locking parts that Fig. 2 B is schematically shown as the adjustment mechanism of Fig. 2A are locked in Y-direction
Schematic diagram.The schematic diagram that the light source module group of adjustment mechanism and Fig. 1 that Fig. 2 C is schematically shown as Fig. 2A fits together.Fig. 2 D is schematically shown as figure
The schematic diagram that light source module group and collimation lens in the adjustment mechanism and Fig. 1 of 2A fit together.Fig. 2 E is schematically shown as the tune of Fig. 2A
The schematic diagram that complete machine structure and the light source module group in a radiator and Fig. 1, collimation lens fit together.
Referring to Fig. 1 and Fig. 2A, the combined optical module 10 of the present embodiment include multiple light sources mould group 120,140,160,
180, multiple spectroscopes 220,240, multiple collimation lenses 320,340,360,380,390 and an adjustment mechanism 520.Herein,
Combined optical module 10 be, for example, be applied to projector, home theater, rear-projection screen, illuminator etc., and light source module group 120,140,
160,180 quantity is embodied as four, but the present invention is not limited thereto.Specifically, the light source module group 120 of the present embodiment
E.g. emitting red light diode, to output red light 122；Light source module group 140 is, for example, blue-light-emitting diode, to
Output blue light 142；Light source module group 160 is for example covered with the blue-light-emitting diode that can excite green light fluorescent layer, to
Export green light 162；And light source module group 180 is, for example, blue-light-emitting diode, to output blue light 182.Herein, light
Source mould group 120,140,160,180 be using light-emitting diode as light source, can also be with two pole of laser but in other embodiments
As light source, this still falls within the range to be protected of the embodiment of the present invention for body or mercury lamp.
As shown in Figure 1, the collimation lens 320,340,360,380 of the present embodiment be set to light source module group 120,140,160,
Between 180 and spectroscope 220,240.Specifically, collimation lens 320 is set between light source module group 120 and spectroscope 220,
And it is located in the transmission path of red light 122.Collimation lens 340 is set between light source module group 140 and spectroscope 240, and
In the transmission path of blue ray 142.Collimation lens 360 is set between light source module group 160 and spectroscope 240, and position
In in the transmission path of green light 162.Collimation lens 380 is set between light source module group 180 and spectroscope 240, and is located at
In the transmission path of blue ray 182.Collimation lens 390 is set between spectroscope 220 and spectroscope 240, and is located at blue
In the transmission path of light 142 and green light 162.
Furthermore referring again to Fig. 1, the spectroscope 220 of the present embodiment be set to red light 122, blue ray 142 with it is green
In the transmission path of coloured light line 162, and spectroscope 240 is set to blue ray 182, blue ray 142 and green light 162
In transmission path.Specifically, spectroscope 240 can reflection blue light 182 to light source module group 160, with excitation light source mould group 160
Green light 162 is exported, and spectroscope 240 can also be with reflection blue light 142 to spectroscope 220.The green light 162 of output
Spectroscope 240 can be penetrated.Spectroscope 220 can be used to merge red light 122, blue ray 142 and project from spectroscope 240
Green light 162 so that the capable of emitting white light of combined optical module 10 of the present embodiment.
In particular, using light source module group of the blue-light-emitting diode that can excite green light fluorescent layer as light source is covered with
160, green fluorescent layer is in addition to can pass through blue-light-emitting diode below come other than exciting, also can pass through spectroscope 240 will
The blue ray 182 that light source module group 180 exports reflexes to light source module group 160, and then excites green fluorescent layer and promote light source die
The 160 stronger green lights 162 of output of group, with improve whereby the brightness of combined optical module 10 and improving be applied in projector at
As quality.
A referring to figure 2., the adjustment mechanism 520 in the present embodiment include the multiple first elastic parts 522, multiple second bullets
Property parts 524 and locking parts 526.First elastic parts 522 are located on first direction X, and the second elastic parts 524 are positioned at the
On two direction Y, and first direction X is perpendicular to second direction Y.Locking parts 526 can abut the first elastic parts 522 and make first
Elastic 522 flexible deformation of parts, so that adjustment mechanism 520 moves on X in a first direction；Either, Fig. 2 B is please referred to, will be locked
Parts 526 abut the second elastic parts 524 and make the second 524 flexible deformation of elastic parts, so that adjustment mechanism 520 is in second party
It is moved on Y.In an embodiment, the first elastic parts 522 and the second elastic parts 524 are also possible to such as spring or plate
Spring, and the parts 526 that lock are, for example, screw or bolt, but the embodiment of the present invention is not limited.
As shown in Figure 2 C, the light source module group 160 of the present embodiment can be assembled in adjustment mechanism 520；Either, such as Fig. 2 D institute
Show, collimation lens 360 is assembled in light source module group 160, and light source module group 160 is assembled in adjustment mechanism 520；Either, as schemed
Shown in 2E, combined optical module 10 further includes radiator 620, and wherein radiator 620 is set to adjustment mechanism 520, and light source module group 160
It is set to radiator 620, and radiator 620 is configured between light source module group 160 and adjustment mechanism 520, collimation lens 360
It is assembled in light source module group 160, and light source module group 160 is assembled on adjustment mechanism 520.When 240 reflection blue light of spectroscope
182 to the predetermined position of light source module group 160 when deviating, i.e., blue ray 182 is not incident upon the predetermined of light source module group 160
Position will cause the launching efficiency loss of light source module group 160.At this point, light source module group 160 can be adjusted by adjustment mechanism 520
Position, such as the locking parts 526 of adjustment mechanism 520 are abutted into the first elastic parts 522, and make the first elastic parts 522
Flexible deformation, so that light source module group 160 moves on X in a first direction, in another example the locking parts 526 of adjustment mechanism 520 are supported
The second elastic parts 524 are connect, and make the second 524 flexible deformation of elastic parts, so that light source module group 160 is moved up in second direction Y
It is dynamic, and then blue ray 182 is made to be incident on the predetermined position of light source module group 160, to ensure the launching efficiency of light source module group 160 not
It can excessive loss.
Certainly, the embodiment of the present invention is not intended to limit the structural form and adjustment mechanism adjustable elements of adjustment mechanism.
It will illustrate the structure and adjustment mechanism adjustable elements of the adjustment mechanism of different shape respectively with two embodiments again below,
And Fig. 3 A to Fig. 3 B and Fig. 4 A to Fig. 4 D is cooperated to be described in detail.
Fig. 3 A is schematically shown as a kind of adjustment mechanism of another embodiment of the present invention and spectroscope and collimation lens in Fig. 1
Perspective exploded view.Fig. 3 B is schematically shown as the schematic top plan view of Fig. 3 A.Referring to Fig. 3 A and Fig. 3 B, the adjustment of the present embodiment
Mechanism 540 includes upper cover 640 and pedestal 660.The top surface 640a of upper cover 640 has limiting slot 642, and the bottom surface of pedestal 660
660a has sliding slot 662.Collimation lens 360 is assembled in adjustment mechanism 540, and collimation lens 360 have locating part 362 and
Fastener 364.Locating part 362 protrudes from the limiting slot 642 of upper cover 640, and fastener 364 is slidedly arranged in sliding slot 662, so that quasi-
There is relative motion between straight lens 360 and light source module group 160, as shown in Figure 3B, relative motion includes mobile, rotation or moves
Dynamic and rotation.
As shown in Figure 3B, when the predetermined position of 240 reflection blue light 182 of spectroscope to light source module group 160 occurs partially
When poor, i.e. the predetermined position that is not incident upon light source module group 160 of blue ray 182, and be, for example, to be incident upon light source module group deviation
When predetermined position, the position of collimation lens 360 can be adjusted by adjustment mechanism 540, such as collimation lens 360 protrude from
The locating part 362 of the limiting slot 642 of lid 640 exerts a force, and allows collimation lens 360 in the limiting slot 642 and pedestal of upper cover 640
It moved, rotated or is moved and rotated in 660 sliding slot 662, so that having between collimation lens 360 and light source module group 160
Relative motion.In this way, which blue ray 182 can be incident upon the predetermined position of light source module group 160, to ensure light source module group 160
The not too big loss of launching efficiency.
Fig. 4 A is schematically shown as a kind of adjustment mechanism of another embodiment of the present invention and spectroscope and collimation lens in Fig. 1
Perspective exploded view.Fig. 4 B is schematically shown as the schematic top plan view of Fig. 4 A.Fig. 4 C to 4D is schematically shown as the adjustment mechanism adjustment point of Fig. 4 A
The schematic diagram of the position of light microscopic.
Referring to Fig. 4 A to Fig. 4 B, 540 phase of adjustment structure of adjustment mechanism 560 and Fig. 3 A to Fig. 3 B of the present embodiment
Seemingly, the main difference between them is that: the top surface 640a of upper cover 640 has limiting slot 644, and the bottom surface 660a of pedestal 660
With sliding slot 664.Spectroscope 240 is assembled in adjustment mechanism 560, and spectroscope 240 has locating part 242 and fastener
244.Locating part 242 protrudes from the limiting slot 644 of upper cover 640, and fastener 244 is slidedly arranged in sliding slot 664, so that spectroscope
There is relative motion, relative motion (please refers to figure including mobile (please referring to Fig. 4 C), rotation between 240 and light source module group 160
4D) or move and rotation (please referring to Fig. 4 B).
In short, due in the combined optical module 10 of the present embodiment have adjustment mechanism 520 (adjustment mechanism 540 or adjustment
Mechanism 560) design so that combined optical module 10 can using adjustment mechanism 520 (or adjustment mechanism 540 or adjustment mechanism 560) come
Position, the position of spectroscope 240 or the position of collimation lens 360 of light source module group 160 are adjusted, to ensure that blue ray 182 is anti-
The predetermined position for being incident upon light source module group 160 does not have too great deviations, to reach preferable launching efficiency.
It should be noted that being that there are four light source module group 120,140,160,180, two light splitting to have in the above embodiments
220,240, five collimation lenses 320,340,360,380,390 of mirror and adjustment mechanism 520 (or adjustment mechanism 540 or
Adjustment mechanism 560) combined optical module 10 as illustration.But in other embodiments, if combined optical module needs to be promoted institute
The launching efficiency of the fluorescent bisque of the light source film group of configuration, then combined optical module will at least have two light source module groups, such as light source module group
160,180, a spectroscope, such as spectroscope 240, two collimation lenses 360,380 and adjustment mechanism 520 (or adjustment
Mechanism 540 or adjustment mechanism 560), in this way, then can be such as the combined optical module in the embodiment of the present invention, brightness with higher
And the effect of improving the image quality being applied in projector.
[TOLERANCE ANALYSIS]
TOLERANCE ANALYSIS is carried out below for the first model LED and the second model LED, with assessment when blue ray 182 is thrown
When penetrating the position in light source module group 160 and deviating, the caused launching efficiency extent of damage.Then, due to the deviation of position
It can occur simultaneously in 360 short axle of collimation lens and long axis, therefore, the position deviation amount and long axis of short axle deviation will be directed to respectively
The position deviation amount of deviation, to assess it for the influence that effectively excites area and launching efficiency to lose, such as two institute of table one and table
Show.Wherein, table one is the assessment result of the first model LED, and table two is the assessment result of the second model LED.
[table one]
[table two]
By the assessment result of table one and table two it is found that on the different directions (i.e. short axle or long axis) of collimation lens 360
Position deviation, it will different launching efficiencies is caused to lose.Since effective excitation area of the second model LED is compared with the first model
Effective excitation area of LED is small, so that the launching efficiency loss of the second model LED is more under same position deviation amount
Obviously.If adjusting the position of light source module group 160, spectroscope 240 using adjustment mechanism 520 (or adjustment mechanism 540,560)
Position or the position of collimation lens 360 do not have deviation with the predetermined position for ensuring that blue ray 182 reflexes to light source module group 160,
It when i.e. position departure is 0mm, then can substantially reduce cumulative limit, to increase effectively excitation area, and solve launching efficiency damage
The problem of mistake.
In conclusion the combined optical module due to the embodiment of the present invention is provided with adjustment mechanism, using adjustment mechanism
Design adjust the position of light source module group, spectroscopical position or the position of collimation lens, to change spectroscope reflection light
To the position of light source module group, to reach preferable launching efficiency.In short, the combined optical module of the embodiment of the present invention can have it is higher
Brightness performance and applied to the image quality in projector.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any technical field
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, thus it is of the invention
Protection scope when view appended claims institute defender subject to.
Claims (10)
1. a kind of combined optical module characterized by comprising
One first light source, to export one first light；
One second light source, to export one second light；
One first spectroscope is set in the transmission path of first light and second light, wherein first light
Line is incident to the second light source via first spectroscope；And
One the first adjustment mechanism, adjusts the position of the second light source.
2. combined optical module as described in claim 1, which is characterized in that the first light source includes a blue-light-emitting diode,
It is set to a first light source mould group, and the second light source includes one being covered with one and can exciting the blue-light-emitting two of green light fluorescent layer
Polar body is set to a second light source mould group.
3. a kind of combined optical module characterized by comprising
One first light source mould group, to export one first blue light；
One second light source mould group, to export a green light；
One third light source module group, to export one second blue light；
One the 4th light source module group, to export a feux rouges；
One first spectroscope is set in the transmission path of first blue light, second blue light and the green light, wherein institute
It states the first blue light and is incident to the second light source mould group via first spectroscope；
One second spectroscope is set in the transmission path of the feux rouges, second blue light and the green light；And
One the first adjustment mechanism, the position for being incident to the second light source mould group to change first blue light.
4. combined optical module as claimed in claim 3, which is characterized in that the first light source mould group and the third light source module group
A respectively blue-light-emitting diode, and the second light source mould group is covered with one for one and the blue of green light fluorescent layer can be excited to send out
Near-infrafed photodiodes, and the 4th light source module group is an emitting red light diode.
5. the combined optical module as described in any one of claim 2 to 4, which is characterized in that the second light source mould group further includes
Collimating lens.
6. combined optical module as claimed in claim 5, which is characterized in that the second light source mould group meets one of following condition:
(1) the second light source mould group is set to the first adjustment mechanism；And
(2) combined optical module further includes a radiator, is set to the first adjustment mechanism, and the second light source mould group is set
It is placed in the radiator.
7. the combined optical module as described in any one of claim 3 to 4, which is characterized in that the second light source mould group further includes
Collimating lens, and the first adjustment mechanism is replaced with a second adjustment mechanism, the second adjustment mechanism includes a pedestal,
And a bottom surface of the pedestal has a sliding slot, first spectroscope or the collimation lens have a fastener, and described
Fastener is slidedly arranged on the sliding slot.
8. combined optical module as claimed in claim 7, which is characterized in that the second adjustment mechanism further includes a upper cover, and institute
The top surface for stating upper cover has a limiting slot, and first spectroscope or the collimation lens have a locating part, and the limit
Position part protrudes from the limiting slot of the upper cover.
9. the combined optical module as described in any one of claim 2 to 4, which is characterized in that the first adjustment mechanism includes more
A first elastic parts and one first locking parts, these described first elastic parts are located on a first direction, and described the
One locking parts abut these described first elastic parts, move the second light source mould group in said first direction.
10. combined optical module as claimed in claim 9, which is characterized in that the first adjustment mechanism further includes multiple second bullets
Property parts and one second locking parts, these described second elastic parts be located in a second direction, described second locks machine
Part abuts these second elastic parts of institute's beam, moves the second light source mould group in this second direction, the first party
To different from the second direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710826084.8A CN109507843B (en) | 2017-09-14 | 2017-09-14 | Light-combining module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710826084.8A CN109507843B (en) | 2017-09-14 | 2017-09-14 | Light-combining module |
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| CN109507843A true CN109507843A (en) | 2019-03-22 |
| CN109507843B CN109507843B (en) | 2022-01-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114077139A (en) * | 2020-08-21 | 2022-02-22 | 成都极米科技股份有限公司 | Three-color light source equipment and projection display equipment |
| WO2022237525A1 (en) * | 2021-05-08 | 2022-11-17 | 华为技术有限公司 | Picture generation apparatus, projection apparatus, and vehicle |
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| CN106597782A (en) * | 2016-12-23 | 2017-04-26 | 广东威创视讯科技股份有限公司 | DLP back-projection splicing projection system |
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| CN114077139A (en) * | 2020-08-21 | 2022-02-22 | 成都极米科技股份有限公司 | Three-color light source equipment and projection display equipment |
| WO2022037196A1 (en) * | 2020-08-21 | 2022-02-24 | 成都极米科技股份有限公司 | Three-color light source device and projection display device |
| WO2022237525A1 (en) * | 2021-05-08 | 2022-11-17 | 华为技术有限公司 | Picture generation apparatus, projection apparatus, and vehicle |
| CN116300110A (en) * | 2021-05-08 | 2023-06-23 | 华为技术有限公司 | Image generation device, projection device and vehicle |
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