CN213517860U - Multi-color laser light source light combination structure, projection device and lighting equipment - Google Patents

Multi-color laser light source light combination structure, projection device and lighting equipment Download PDF

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Publication number
CN213517860U
CN213517860U CN202022239978.7U CN202022239978U CN213517860U CN 213517860 U CN213517860 U CN 213517860U CN 202022239978 U CN202022239978 U CN 202022239978U CN 213517860 U CN213517860 U CN 213517860U
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light
light source
laser light
laser
dichroic
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邱柏渝
谢晨
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Suzhou Zhitong Daohe Display Technology Co ltd
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Suzhou Zhitong Daohe Display Technology Co ltd
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Abstract

The utility model provides a polychrome laser source closes light structure, projection arrangement and lighting apparatus, include: a multicolor laser light source for emitting multicolor laser light; a blue laser light source for emitting blue laser light; and the blue laser passes through the reflective fluorescent wheel and is excited to form an auxiliary beam, and the auxiliary beam and the multi-color laser are mixed to form a mixed light column. A projection device comprises the multicolor laser light source light combination structure, and the projection effect of the device can be improved. An illumination device comprises the multi-color laser light source light combination structure, and the illumination effect of the device can be improved.

Description

Multi-color laser light source light combination structure, projection device and lighting equipment
Technical Field
The utility model relates to a projection technology field indicates a polychrome laser source closes light structure, projection arrangement and lighting apparatus especially.
Background
The red, green and blue are three primary colors in optics, most colors in a visible spectrum can be formed by mixing three basic color lights according to different proportions, the display colors of the display screen can be formed after the three primary colors are mixed, the three lights are mixed according to the same proportion and reach certain intensity to present white (white light), if the intensities of the three lights are all zero, the three lights are black (dark), the principle of the additive color method is adopted, and the principle of the additive color method is widely applied to active luminous products such as televisions, monitors and the like.
The fluorescent powder is generally divided into photo-induced energy storage luminous powder and luminous powder with radioactivity, wherein the photo-induced energy storage luminous powder stores light energy after the fluorescent powder is irradiated by natural light, sunlight light, ultraviolet light and the like, and slowly releases the light energy in a fluorescent mode after the light irradiation is stopped, so that the fluorescent powder can still see luminescence at night or in a dark place for a lasting time of several hours to more than ten hours.
In the prior art, a light source of a projection device generally uses blue laser to excite phosphor to obtain three primary colors of light, but since the phosphor is excited to a wide spectrum, the color gamut of a mixed light column is small, the brightness is low, and the projection effect is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a polychrome laser source closes optical structure, projection arrangement and lighting apparatus can make mixed light column reach high colour gamut, hi-lite, is favorable to improving the result of use of mixed light.
The utility model provides a technical scheme as follows:
the utility model provides a polychrome laser source closes light structure, include:
a multicolor laser light source for emitting multicolor laser light;
a blue laser light source for emitting blue laser light;
a reflected fluorescent wheel through which the blue laser light passes to excite to form an auxiliary beam,
the auxiliary beam is mixed with the multi-color laser to form a mixed light column.
By using a multicolor laser light source as a main light source, the color gamut is wider than the three primary colors of light obtained by exciting the phosphor with blue light; meanwhile, the auxiliary light beam can be obtained by arranging the blue laser light source and the reflection fluorescent wheel, the multicolor laser light is mixed with the auxiliary light beam, a mixed light column with wider color gamut and higher brightness can be formed, and the projection effect can be improved by using the mixed light column as a projection light source.
Further, still include: a dichroic plate through which the polychromatic laser light passes to form a main beam,
the blue laser firstly passes through the dichroic sheet and then passes through the reflective fluorescent wheel to be excited to form the auxiliary beam;
the main beam and the auxiliary beam are mixed to form the mixed light column.
By arranging the dichroic film, multicolor laser light can pass through the dichroic film to form a main beam, blue laser light firstly passes through the dichroic film and then passes through the reflective fluorescent wheel to be excited to form an auxiliary beam, and the main beam and the auxiliary beam can form a mixed beam.
Further, a first collecting lens is arranged between the multicolor laser light source and the dichroic sheet, and the multicolor laser is condensed by the first collecting lens.
Through set up first condensing lens between polychrome laser source and dichroic film, can carry out the spotlight to polychrome laser, be convenient for follow-up the closed light.
Further, a film coating area is arranged on the surface of the dichroic sheet, and the multi-color laser focused by the first condenser passes through the dichroic sheet through the film coating area.
The coating area is arranged on the surface of the dichroic sheet, and the multicolor laser focused by the first condenser passes through the dichroic sheet through the coating area, so that the multicolor laser can efficiently penetrate through the dichroic sheet, the effects of transmission increase and reflection reduction are achieved, and light loss is avoided.
Further, the dichroic sheet is arranged obliquely, the multicolor laser light source and the blue laser light source are located on the same side of the dichroic sheet, the reflective fluorescence wheel is located on the other side of the dichroic sheet, and the reflective fluorescence wheel is located below the blue laser light source.
Through setting up the dichroism piece slope, polychrome laser source and blue laser source are located the same side of dichroism piece, and reflection fluorescence wheel is located the opposite side of dichroism piece, and reflection fluorescence wheel is located blue laser source's below for the auxiliary beam rethread dichroism piece refraction back that forms after reflection fluorescence wheel arouses blue laser, can be with the main beam syntropy that polychrome laser passed through the dichroism piece and join, so that form mixed light column.
Further, a second condenser is arranged between the dichroic sheet and the reflective fluorescent wheel,
the blue laser passing through the dichroic sheet is focused by the second condenser and then enters the reflection fluorescence wheel, and the auxiliary light beam formed after being excited by the reflection fluorescence wheel is emitted to the dichroic sheet after being dispersed by the second condenser.
Through setting up the second condenser between dichroic sheet and reflection fluorescence wheel for blue laser that passes dichroic sheet can shine into reflection fluorescence wheel after the focus of second condenser again, in order to improve the excitation effect of blue laser, simultaneously, the auxiliary beam who forms after the excitation of reflection fluorescence wheel can shine dichroic sheet after the second condenser diverges again, in order to guarantee that the auxiliary beam after distributing can be through dichroic sheet reflection back and the intensive mixing of main beam.
Furthermore, a third light condensing mirror which is vertical to the reflecting fluorescent wheel and is arranged at the same side of the dichroic sheet,
the third condenser is parallel to the first condenser, the main beam formed by the multicolor laser after passing through the dichroic film is emitted to the third condenser,
the auxiliary light beam emitted to the dichroic plate is reflected by the dichroic plate and then emitted to the third light condensing mirror,
and the main light beam and the auxiliary light beam form the mixed light column after being focused by the third light condensing lens.
The third condenser lens which is the same as and perpendicular to the reflection fluorescent wheel is arranged on the side of the dichroic sheet, so that the main light beam and the auxiliary light beam can be focused through the third condenser lens, and a mixed light column is formed.
Further, the coating area is an AR coating layer.
The coating area is set as the AR coating layer, so that the effects of transmission increase and reflection reduction can be achieved, and the reduction of the light loss of the multicolor laser is facilitated.
Additionally, the utility model also provides a projection arrangement: the multi-color laser light source light combining structure is included. The mixed light column obtained by the light combination structure of the multi-color laser light source is used for projection, so that the projection effect of the projection device can be improved.
Additionally, the utility model also provides a lighting device: the multi-color laser light source light combining structure is included. The mixed light column obtained by the light combination structure of the multi-color laser light source is used for illumination, so that the illumination effect of the illumination equipment can be improved.
According to the utility model provides a polychrome laser source closes light structure, projection arrangement and lighting apparatus, through using polychrome laser source as the primary light source, compare with the three primary colors of the light that arouses phosphor powder through the blue light, the colour gamut is wider; meanwhile, the auxiliary light beam can be obtained by arranging the blue laser light source and the reflection fluorescent wheel, the multicolor laser light is mixed with the auxiliary light beam, a mixed light column with wider color gamut and higher brightness can be formed, and the projection or illumination effect can be improved by using the mixed light column as a projection light source or an illumination light source.
Drawings
The foregoing features, technical features, advantages and embodiments of the present invention will be further explained in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a dichroic sheet according to an embodiment of the present invention.
Reference numbers in the figures: 1-a polychromatic laser source; 2-blue laser light source; a 3-dichroic plate; 4-a reflective fluorescent wheel; 5-mixed light column; 6-a first condenser; 7-coating area; 8-a second condenser; 9-third spectroscope.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
Example 1
An embodiment of the utility model, as shown in fig. 1, the utility model provides a polychrome laser source closes light structure, including polychrome laser source 1, blue laser source 2 to and reflection fluorescence wheel 4.
The multicolor laser light source 1 is used for emitting multicolor laser with wider color gamut; the blue laser light source 2 emits blue laser light.
The blue laser passes through the reflective fluorescent wheel 4 and is excited to form an auxiliary beam, and the auxiliary beam is mixed with the multi-color laser to form a mixed light column 5.
By using the multicolor laser light source 1 as a main light source, the color gamut is wider than the three primary colors of light obtained by exciting the phosphor with blue light; meanwhile, by arranging the blue laser light source 2 and the reflection fluorescent wheel 4, auxiliary light beams can be obtained, and then the multicolor laser light is mixed with the auxiliary light beams, so that a mixed light column 5 with wider color gamut and higher brightness can be formed, and the projection effect can be improved by using the mixed light column 5 as a projection light source.
Example 2
An embodiment of the utility model, as shown in fig. 1, the utility model provides a polychrome laser source closes light structure, including polychrome laser source 1, blue laser source 2, dichroic sheet 3 to and reflection fluorescence wheel 4.
The multicolor laser light source 1 is used for emitting multicolor laser with wider color gamut; the blue laser light source 2 emits blue laser light.
The dichroic plate 3 is used for transmitting and reflecting light beams with different wavelengths, both the multicolor laser and the blue laser can pass through the dichroic plate 3, and the multicolor laser passes through the dichroic plate 3 to form a main light beam; the blue laser firstly passes through the dichroic plate 3 and then passes through the reflective fluorescent wheel 4 to be excited to form an auxiliary light beam, and the auxiliary light beam and the main light beam are mixed to form a mixed light column 5.
By using the multicolor laser light source 1 as a main light source, the color gamut is wider than the three primary colors of light obtained by exciting the phosphor with blue light; meanwhile, the blue laser light source 2 and the reflection fluorescent wheel 4 are arranged, so that auxiliary light beams can be obtained through excitation, a main light beam formed by multicolor laser light is mixed with the auxiliary light beams of the auxiliary light beams, a mixed light column 5 with wider color gamut and higher brightness can be formed, and the projection effect can be improved by using the mixed light column 5 as a projection light source.
Example 3
The utility model discloses an embodiment, as shown in fig. 1 and 2, on embodiment 2's basis, be provided with first condensing lens 6 between polychrome laser light source 1 and the dichroic sheet 3, polychrome laser carries out spotlight through first condensing lens 6.
Through set up first condensing lens between polychrome laser source and dichroic film, can carry out the spotlight to polychrome laser, be convenient for follow-up the closed light.
The surface of the dichroic sheet 3 is provided with a coating area 7, and the multi-color laser focused by the first condenser 6 passes through the dichroic sheet 3 through the coating area 7.
Through set up coating area 7 on dichroic sheet 3's surface, the polychrome laser after first condensing lens 6 focuses passes dichroic sheet 3 through coating area 7, can make polychrome laser more efficient see through dichroic sheet 3, reaches the effect that increases transmission, subtract reflection, avoids the light loss.
Preferably, the coating region 7 is an AR coating layer. By setting the coating area 7 as an AR coating layer, the effects of transmission increase and reflection reduction can be achieved, and the reduction of the light loss of the multicolor laser is facilitated.
Example 4
The utility model discloses an embodiment, as shown in FIG. 1, on embodiment 2 or embodiment 3's basis, the slope of dichroic sheet 3 sets up, and polychrome laser light source 1 and blue laser light source 2 lie in dichroic sheet 3 with one side, and reflection fluorescence wheel 4 lies in dichroic sheet 3's opposite side, and reflection fluorescence wheel 4 lies in blue laser light source 2's below.
Preferably, in this embodiment, the tilt angle of the dichroic plate 3 is 45 °, and in other embodiments, the tilt angle of the dichroic plate 3 may be adjusted according to the requirement of the optical path.
Through setting up dichroic sheet 3 slope, polychrome laser source 1 and blue laser source 2 lie in the same side of dichroic sheet 3, reflection fluorescence wheel 4 lies in dichroic sheet 3's opposite side, and reflection fluorescence wheel 4 lies in blue laser source 2's below for the auxiliary beam that forms after reflection fluorescence wheel 4 arouses blue laser passes through dichroic sheet 3 refraction back, can be with the main beam syntropy and the confluence that polychrome laser passed through dichroic sheet 3 and formed, so that form mixed light post 5.
Example 5
The utility model discloses an embodiment, as shown in FIG. 1, on the basis of any embodiment of embodiment 2 to embodiment 4, be equipped with second condenser 8 between dichroic sheet 3 and the reflection fluorescence wheel 4, the blue laser that passes dichroic sheet 3 shines into reflection fluorescence wheel 4 after second condenser 8 focuses on, and the auxiliary beam who forms after 4 arouses of reflection fluorescence wheel shines to dichroic sheet 3 again after diverging through second condenser 8.
Through establishing second condenser 8 between dichroic sheet 3 and reflection fluorescence wheel 4 for blue laser that passes dichroic sheet 3 can reentrant reflection fluorescence wheel 4 after second condenser 8 focuses, with the excitation effect that improves blue laser, simultaneously, the auxiliary beam who forms after reflection fluorescence wheel 4 arouses can radiate to dichroic sheet 3 after second condenser 8 diverges again, with the auxiliary beam intensive mixing after guaranteeing that the auxiliary beam after giving off can be through dichroic sheet 3 reflection back and the main beam.
Example 6
In an embodiment of the present invention, as shown in fig. 1, on the basis of any of the above embodiments 2 to 5, a third condenser 9 is disposed beside the dichroic plate 3 and perpendicular to the reflective fluorescent wheel 4, the third condenser 9 is parallel to the first condenser 6, and a main light beam formed after the multi-color laser passes through the dichroic plate 3 is emitted to the third condenser 9; the auxiliary light beam emitted to the dichroic plate 3 is reflected by the dichroic plate 3 and then emitted to the third light condensing mirror 9; the main beam and the auxiliary beam are focused by the third condenser lens 9 to form a mixed light column 5.
By arranging the third light focusing mirror which is at the same side as and perpendicular to the reflective fluorescent wheel 4 on the side of the dichroic sheet 3, the primary light beam and the secondary light beam can be focused by the third light focusing mirror 9, so that the mixed light column 5 is formed, and the mixed light column 5 can be used conveniently.
Example 7
The utility model discloses an embodiment, on the basis of any embodiment in embodiment 1-6, the utility model discloses still provide a projection arrangement: the multi-color laser light source light combination structure is included. By projecting the mixed light beam 5 obtained by using the light combining structure of the multicolor laser light source, the projection effect of the projection device can be improved.
Example 8
The utility model discloses an embodiment, on the basis of any embodiment in embodiments 1-6, the utility model discloses still provide a lighting apparatus: the multi-color laser light source light combining structure is provided. By using the mixed light column 5 obtained by the light combination structure of the multicolor laser light source to illuminate, the illumination effect of the illumination device can be improved.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A multi-color laser light source light combining structure is characterized by comprising:
a multicolor laser light source for emitting multicolor laser light;
a blue laser light source for emitting blue laser light;
a reflected fluorescent wheel through which the blue laser light passes to excite to form an auxiliary beam,
the auxiliary beam is mixed with the multi-color laser to form a mixed light column.
2. The light combining structure of claim 1, further comprising: a dichroic plate through which the polychromatic laser light passes to form a main beam,
the blue laser firstly passes through the dichroic sheet and then passes through the reflective fluorescent wheel to be excited to form the auxiliary beam;
the main beam and the auxiliary beam are mixed to form the mixed light column.
3. The light combining structure of claim 2, wherein: and a first collecting lens is arranged between the multicolor laser light source and the dichroic sheet, and the multicolor laser is condensed by the first collecting lens.
4. The light combining structure of claim 3, wherein: the surface of the dichroic sheet is provided with a coating region,
the multi-color laser focused by the first condenser passes through the dichroic sheet through the film coating area.
5. The light combining structure of claim 2, wherein: the dichroic sheet is obliquely arranged, the multicolor laser light source and the blue laser light source are positioned on one side of the dichroic sheet, the reflective fluorescence wheel is positioned on the other side of the dichroic sheet, and the reflective fluorescence wheel is positioned below the blue laser light source.
6. The light combining structure of claim 5, wherein: a second condenser lens is arranged between the dichroic sheet and the reflective fluorescent wheel,
the blue laser passing through the dichroic sheet is focused by the second condenser and then enters the reflection fluorescence wheel, and the auxiliary light beam formed after being excited by the reflection fluorescence wheel is emitted to the dichroic sheet after being dispersed by the second condenser.
7. The light combining structure of claim 3, wherein: a third light condensing mirror which is vertical to the reflecting fluorescent wheel and is arranged at the same side of the dichroic sheet,
the third condenser is parallel to the first condenser, the main beam formed by the multicolor laser after passing through the dichroic film is emitted to the third condenser,
the auxiliary light beam emitted to the dichroic plate is reflected by the dichroic plate and then emitted to the third light condensing mirror,
and the main light beam and the auxiliary light beam form the mixed light column after being focused by the third light condensing lens.
8. The light combining structure of claim 4, wherein: the coating area is an AR coating layer.
9. A projection device, characterized by: comprising a polychromatic laser light source light-combining structure according to any one of claims 1-8.
10. An illumination device, characterized by: comprising a polychromatic laser light source light-combining structure according to any one of claims 1-8.
CN202022239978.7U 2020-10-10 2020-10-10 Multi-color laser light source light combination structure, projection device and lighting equipment Active CN213517860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022239978.7U CN213517860U (en) 2020-10-10 2020-10-10 Multi-color laser light source light combination structure, projection device and lighting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022239978.7U CN213517860U (en) 2020-10-10 2020-10-10 Multi-color laser light source light combination structure, projection device and lighting equipment

Publications (1)

Publication Number Publication Date
CN213517860U true CN213517860U (en) 2021-06-22

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