TWI584043B - Wavelength-converting device and illumination system using same - Google Patents

Description

Optical wavelength conversion device and its suitable light source system

The present invention relates to a light wavelength conversion device, and more particularly to a light wavelength conversion device that provides stable and low noise and a light source system suitable for use.

The optical wavelength conversion device is an optical transducing element mainly used for converting more than one wavelength of light to generate a specific visible light wavelength as a light source, and is generally applied to special illumination, such as a spotlight, a headlight, a display light source or a projector image. Wait.

In general, the conventional optical wavelength conversion device is a large-scale fluorescent pink wheel, which is designed to cooperate with a laser light source and convert the laser light into color light having different wavelengths, and drive the fluorescent pink wheel through the motor to make the light sources of each color light have a timing. Projection when differential. Under high-power operation, the wavelength conversion efficiency of the fluorescent pink wheel can greatly enhance the photoelectric conversion and lumen output of the projector. In recent years, it has become an important source of new generation projection technology.

At present, the common projectors on the market mainly use a blue laser with a conventional optical wavelength conversion device having a notch. Referring to FIG. 1, it is a schematic diagram showing a conventional optical wavelength conversion device having a notch. The conventional optical wavelength conversion device 1 is interlocked with the motor 2, and the phosphor powder 4 is applied to a partial region 30 of the substrate 3. Wherein, the substrate 3 of the conventional optical wavelength conversion device 1 is provided with a notch 31 to control the blue laser to penetrate the notch 31, and the size of the notch 31 can be adjusted to adjust the penetration of the blue laser. Wavelength turn The changing device 1 is a rotating moving member, and it is difficult to precisely control the amount of swing of the motor 2 at a high rotational speed, and at the same time, due to the shape of the notch 31, wind-cutting sound is generated at a high-speed rotation and becomes a source of noise. In order to reduce the noise, although the glass can be embedded in the notch 31, at the time of high-speed rotation, the glass is separated from the substrate 3 by the centrifugal force, which causes the conventional optical wavelength conversion device 1 to be damaged or even dangerous to the user.

Therefore, it is necessary to develop a light wavelength conversion device that provides stable and low noise and a light source system suitable for the same to improve the above-mentioned shortcomings and problems, thereby enhancing its industrial applicability.

The main object of the present invention is to provide an optical wavelength conversion device and a light source system therefor, which solve and improve the problems and disadvantages of the aforementioned prior art.

Another object of the present invention is to provide a light wavelength conversion device and a light source system thereof, wherein the first joint portion of the first substrate and the second joint portion of the second substrate have complementary shapes and are fixed to each other. In addition to reducing the wind-cutting sound generated when the optical wavelength conversion device is rotated, the first substrate and the second substrate can be further prevented from being separated by centrifugal force during synchronous high-speed rotation, thereby improving safety and stability, and at the same time Reduce noise and other effects.

Another object of the present invention is to provide a light wavelength conversion device and a light source system therefor, since the second substrate is tightly fixed by a fixing member in a single piece, except that the first substrate and the first substrate are not separately designed. In addition to the two substrates, the rotation balance can be easily achieved, thereby achieving the convenience of assembly and effectively reducing the manufacturing cost.

Another object of the present invention is to provide an optical wavelength conversion device and a suitable light source system thereof The transparent substrate, the diffusion sheet or the filter is selected through the first substrate, and the second wavelength conversion material different from the first wavelength conversion material can be further disposed, which can be applied to different light sources according to the optical path requirements of various optical machines, and is deep. Rich and flexible design flexibility.

In order to achieve the above objective, a wide aspect of the present invention provides a light wavelength conversion device including: at least one first substrate, each of the first substrates having a first segment and at least one first bonding portion; a second substrate disposed adjacent to the first substrate and having at least one second segment and at least one second bonding portion, wherein the second bonding portion and the first bonding portion have complementary shapes; and a first a wavelength conversion material disposed on the second segment for converting light having a first wavelength band into light having a second wavelength band; wherein the first segment is interlaced with the second segment The first joint portion and the second joint portion are coupled to each other, wherein the first portion is for penetrating light having the first wavelength band, and the second portion is for reflecting with the second portion The light of the band.

In some embodiments, the first substrate and the second substrate are made of different materials and are spliced to each other to form a wheel-shaped body, and the sum of the central angles of the first segment and the second segment is 360. degree. The first substrate has an inner diameter and an outer diameter with respect to a center of the wheel body, and the first joint portion is formed between the inner diameter and the outer diameter.

In some embodiments, the first engaging portion is a circular projection, and the second engaging portion is a circular recess corresponding to one of the circular projections.

In some embodiments, the first joint is a polygonal protrusion, and the second joint is a polygonal recess corresponding to one of the polygonal protrusions.

In some embodiments, the first joint is a circular recess, and the second joint The joint is a circular projection corresponding to one of the circular recesses.

In some embodiments, the first joint portion is a polygonal recess portion, and the second joint portion is a polygonal protrusion corresponding to one of the polygonal recess portions.

In some embodiments, the optical wavelength conversion device further includes a fixing component coupled to the second substrate for fixing the first substrate and the second substrate.

In some embodiments, each of the first segments is disposed between adjacent second segments, or each of the second segments is disposed between adjacent first segments.

In some embodiments, the first substrate is a light transmissive sheet, a diffusion sheet or a filter.

In some embodiments, the light system having the first wavelength band is blue light, and the light system having the second wavelength band is visible light having a wavelength greater than 460 nm.

According to the concept of the present invention, the optical wavelength conversion device further includes a second wavelength conversion material, and the second wavelength conversion material is disposed in the first segment for converting light having the first wavelength band to have a first Three-band light. In some embodiments, the light system having the third wavelength band is cyan light having a wavelength greater than or equal to 460 nanometers and less than or equal to 520 nanometers and a dominant peak value of 490 nanometers. In other embodiments, the light system having the third wavelength band is green light having a wavelength greater than or equal to 470 nanometers and less than or equal to 530 nanometers.

In order to achieve the above object, another broad aspect of the present invention provides a light source system comprising: a solid state light emitting device configured to emit light having a first wavelength band; and an optical wavelength conversion device comprising: at least one first a substrate, each of the first substrates has a a first substrate and at least one first bonding portion; a second substrate disposed adjacent to the first substrate and having at least one second segment and at least one second bonding portion, wherein the second bonding portion and the second portion a junction having a complementary shape; and a first wavelength converting material disposed in the second segment for converting light having the first wavelength band to light having a second wavelength band; wherein The first segment is interlaced with the second segment, such that the first engaging portion and the second engaging portion are coupled to each other, wherein the first portion is configured to pass light having the first wavelength band The second segment reflects light having the second wavelength band.

In some embodiments, the second segment reflects light having the second wavelength band to a first optical path, and the light system having the first wavelength band penetrates the first segment and outputs to a second light path. The light source system further has a third light path disposed on the first light path and the second light path, and the first light path and the second light path are combined with the third light path to The light having the first wavelength band and the light having the second wavelength band are integrated and output to the optical machine through the third optical path.

Further, the light source system further includes: a first beam splitter disposed between the solid state light emitting device and the light wavelength conversion device, configured to penetrate and reflect light having the first wavelength band and have the second wavelength band And a second beam splitter disposed between the first beam splitter and the light machine to reflect light having the first wavelength band and to penetrate light having the second wavelength band, The first light path and the second light path are integrated and output to the third light path. In some embodiments, the light source system further includes a first mirror and a second mirror, wherein the first mirror and the second mirror are sequentially disposed on the second light path and in the second The light path is located between the light wavelength conversion device and the second beam splitter to be configured to reflect light having the first wavelength band and to penetrate other color light.

In order to achieve the above object, another broad aspect of the present invention provides a light wavelength conversion device comprising: two first substrates, each of the first substrates having two first joint portions; and a second substrate, Provided between the two first substrates and having four second joint portions; wherein each of the first joint portions is disposed corresponding to one of the four second joint portions, and each of the first joint portions Forming a complementary shape with each of the second engaging portions, such that the first engaging portion and the second engaging portion are respectively engaged with each other, wherein the first portion is configured to have the first wavelength band Light penetrates, and the second segment reflects light having the second wavelength band.

1‧‧‧Traditional light wavelength conversion device

2‧‧‧Motor

3‧‧‧Substrate

30‧‧‧Partial areas

31‧‧‧ gap

4‧‧‧Fluorescent powder

5‧‧‧Light wavelength conversion device

51‧‧‧First substrate

511‧‧‧ first section

512‧‧‧First joint

52‧‧‧second substrate

521‧‧‧second section

522‧‧‧Second joint

53‧‧‧First wavelength conversion material

54‧‧‧Fixed components

55‧‧‧second wavelength conversion material

6‧‧‧Light source system

61‧‧‧Solid light-emitting elements

62‧‧‧First Beamsplitter

63‧‧‧Second beam splitter

64‧‧‧First mirror

65‧‧‧second mirror

7‧‧‧Optical machine

G‧‧‧Green Light

L1‧‧‧Light with first band

L2‧‧‧Light with second band

P1‧‧‧First light path

P2‧‧‧second light path

P3‧‧‧ third light path

R‧‧‧Red Light

Y‧‧‧Huang Guang

Fig. 1 is a schematic view showing a conventional optical wavelength conversion device having a notch.

Figure 2A is a schematic view showing the first substrate of the preferred embodiment of the present invention.

Fig. 2B is a view showing a light wavelength conversion device using the first substrate shown in Fig. 2A.

Figure 3A is a schematic view showing a first substrate of another preferred embodiment of the present invention.

Fig. 3B is a view showing a light wavelength conversion device using the first substrate shown in Fig. 3A.

Figure 4A is a schematic view showing a first substrate of another preferred embodiment of the present invention.

Fig. 4B is a view showing a light wavelength conversion device using the first substrate shown in Fig. 4A.

Figure 5A is a schematic view showing a first substrate of another preferred embodiment of the present invention.

Fig. 5B is a view showing a light wavelength conversion device using the first substrate shown in Fig. 5A.

Figure 6A is a schematic view showing a first substrate of another preferred embodiment of the present invention.

Fig. 6B is a view showing the light wavelength conversion device using the first substrate shown in Fig. 6A Figure.

Figure 7A is a schematic view showing a first substrate of another preferred embodiment of the present invention.

Fig. 7B is a view showing a light wavelength conversion device using the first substrate shown in Fig. 7A.

Figure 8 is a block diagram showing the light source system of the preferred embodiment of the present invention.

Some exemplary embodiments embodying the features and advantages of the present invention are described in detail in the following description. It is to be understood that the present invention is capable of various modifications in various aspects, and is not to be construed as a limitation.

Please refer to FIG. 2A and FIG. 2B. FIG. 2A is a schematic view showing a first substrate of the preferred embodiment of the present invention, and FIG. 2B is a schematic diagram showing a light wavelength conversion device using the first substrate shown in FIG. 2A. As shown in FIGS. 2A and 2B, the optical wavelength conversion device 5 includes at least one first substrate 51, a second substrate 52, and a first wavelength converting material 53. Each of the first substrates 51 has a first section 511 and at least one first joint 512. The second substrate 52 is adjacent to the first substrate 51 and has at least one second segment 521 and at least one second bonding portion 522 . The second joint portion 522 and the first joint portion 512 have complementary shapes, that is, the first joint portion 512 and the second joint portion 522 can be filled with each other when joined. The first wavelength converting material 53 can be, for example, but not limited to, a phosphor, disposed or coated on the second section 521. The wavelength of light passing through the second segment 521 can be converted by the first wavelength converting material 53 disposed or coated on the second segment 521. In the present embodiment, the wavelength of light that does not pass through the second segment 521 is distributed in a first wavelength band. When the light having the first wavelength band passes through the first wavelength converting material 53 disposed in the second section 521, the first wavelength band of the light is converted into the second wavelength band. For example, blue light can be converted into visible light having a wavelength greater than 460 nm. In addition, the second segment 521 further reflects light having the second wavelength band. Further, the first segment 511 described above may penetrate light having the first wavelength band.

The first section 511 is interleaved with the second section 521 such that the first joint portion 512 and the second joint portion 522 are joined to each other. Thereby, in addition to reducing the wind-cutting sound generated when the optical wavelength conversion device 5 is rotated, the first substrate 51 and the second substrate 52 can be further prevented from being separated by centrifugal force during synchronous high-speed rotation, thereby improving safety. And stability, and at the same time reduce noise and other effects.

According to the concept of the present invention, the first substrate 51 and the second substrate 52 are made of different materials, for example, the first substrate 51 is made of glass or ceramic material and the second substrate 52 is made of metal material, but The first substrate 51 and the second substrate 52 are spliced to each other to form a wheel-shaped body, and the sum of the central angles of the first segment 511 and the second segment 521 corresponding to the center of the wheel-shaped body is 360 degrees. , that is, a complete circle.

In addition, the first substrate 51 is preferably a light-transmissive sheet, a diffusion sheet or a filter, but is not limited thereto, and the first substrate 51 is opposite to the center of the wheel-shaped body. The inner joint has an inner diameter and an outer diameter, and the first joint portion 512 is formed between the inner diameter and the outer diameter to be engaged with the second joint portion 522 to resist the centrifugal force generated during the rotation. . Therefore, the first joint portion 512 can be disposed at any position between the inner diameter and the outer diameter without being limited to a specific position.

In some embodiments, each first segment 511 is disposed between adjacent second segments 521, or each second segment 521 is disposed between adjacent first segments 511. The optical wavelength conversion device 5 of the present invention further includes a fixing member 54. The fixing component 54 is connected to the second substrate 52 for fixing the first substrate 51 and the second substrate 52, and The fixing method can be, for example, a method of clamping or adhering. In other words, the fixing member 54 is only connected to the second substrate 52 and fixed, that is, the second substrate 52 is tightly fixed by the fixing member 54 in a single piece, except that the first substrate 51 is not clamped at the same time. In addition to the second substrate 52, the rotation balance can be easily achieved, thereby achieving the convenience of assembly and effective reduction of manufacturing cost.

Please refer to FIG. 3A and FIG. 3B , wherein FIG. 3A shows a first substrate diagram of another preferred embodiment of the present invention, and FIG. 3B shows a light wavelength conversion device using the first substrate shown in FIG. 3A . schematic diagram. As shown in FIG. 3A and FIG. 3B, the first bonding portion 512 of the first substrate 51 of the optical wavelength conversion device 5 of the present invention is a circular protruding portion, and the second bonding portion 522 of the second substrate 52 is A circular recess corresponding to one of the circular projections.

Please refer to FIG. 4A and FIG. 4B , wherein FIG. 4A shows a first substrate diagram of another preferred embodiment of the present invention, and FIG. 4B shows a light wavelength conversion device using the first substrate shown in FIG. 4A . schematic diagram. As shown in FIG. 4A and FIG. 4B, the first bonding portion 512 of the first substrate 51 of the optical wavelength conversion device 5 of the present invention is a polygonal convex portion, and the second bonding portion 522 of the second substrate 52 is a pair. It should be a polygonal recess of one of the polygonal projections.

5A and 5B, wherein FIG. 5A shows a first substrate diagram of another preferred embodiment of the present invention, and FIG. 5B shows a light wavelength conversion device using the first substrate shown in FIG. 5A. schematic diagram. As shown in FIG. 5A and FIG. 5B, the first bonding portion 512 of the first substrate 51 of the optical wavelength conversion device 5 of the present invention is a circular recessed portion, and the second bonding portion 522 of the second substrate 52 is paired. One of the circular depressions should be a circular projection.

Please refer to FIG. 6A and FIG. 6B , wherein FIG. 6A is a schematic view showing a first substrate of another preferred embodiment of the present invention, and FIG. 6B is a view showing a light wavelength conversion device using the first substrate shown in FIG. 6A . schematic diagram. As shown in FIGS. 6A and 6B, the first bonding portion 512 of the first substrate 51 of the optical wavelength conversion device 5 of the present invention is a polygonal recessed portion, and the second bonding portion 522 of the second substrate 52 corresponds to One of the polygonal recesses of the polygonal recess.

In short, the first joint portion 512 of the first substrate 51 and the second joint portion 522 of the second substrate 52 in the present case may be circular or polygonal protrusions or depressions. The polygonal convex portion and the polygonal concave portion are only represented by triangles in the drawings, but the practical application may of course be a quadrilateral, a pentagon or other polygons, which are all within the teaching scope of the present invention.

In some embodiments, the optical wavelength conversion device 5 of the above embodiments may further include a second wavelength conversion material 55, and the second wavelength conversion material 55 is disposed on the first segment 511 of the first substrate 51. For converting light having a first wavelength band into light having a third wavelength band. In a preferred embodiment, the light having the third wavelength band has a wavelength greater than or equal to 460 nm and less than or equal to 520 nm, and the main peak is 490 nm cyan, but not limited thereto. In other embodiments, the wavelength of the light of the third band is greater than or equal to 470 nm and less than or equal to 530 nm of green light, which is not limited thereto. Therefore, in the present case, the transparent substrate, the diffusion sheet or the filter is selected through the first substrate 51, and the second wavelength conversion material 55 different from the first wavelength conversion material 53 can be further disposed, which can be according to the optical path of various optical machines. The demand application is different light sources, and the design flexibility is diversified.

Please refer to FIG. 7A and FIG. 7B , wherein FIG. 7A shows a first substrate diagram of another preferred embodiment of the present invention, and FIG. 7B shows a first base shown in FIG. 7A. Schematic diagram of the light wavelength conversion device of the board. As shown in FIG. 7A and FIG. 7B, the first bonding portion 512 of the first substrate 51 of the optical wavelength conversion device 5 of the present invention may be formed from the inner diameter to the outer diameter, in addition to being formed as in the foregoing embodiment. That is, the first substrate 51 is substantially designed to have a narrow inner and outer narrow cut design, that is, the inner diameter is widened, and the first joint portion 512 has a narrow diameter at the peak of the recess.

Please refer to FIG. 8 and cooperate with FIG. 2A and FIG. 2B. FIG. 8 is a structural diagram of a light source system according to a preferred embodiment of the present invention. As shown in FIGS. 2A, 2B, and 8, the optical wavelength conversion device 5 of the present invention is applied to the light source system 6. The light source system 6 includes a solid-state light-emitting element 61 and the aforementioned optical wavelength conversion device 5. The solid-state light-emitting element 61 is configured to emit light L1 having a first wavelength band, and the optical wavelength conversion device 5 is configured to have a first wavelength conversion material 53 disposed on the second portion 521 of the second substrate 52 to have a first The light L1 of the band is converted into the light L2 having the second wavelength band, and the light L2 having the second wavelength band is reflected to the first light path P1 through the second segment 521, and is made of, for example, the first substrate 51 of the glass substrate. The light L1 of one wavelength penetrates the first section 511 of the first substrate 51 and is output to the second optical path P2.

In this embodiment, the light L1 having the first wavelength band is blue light, and the first wavelength conversion material 53 includes at least one phosphor powder, that is, more than one type of phosphor powder may be used to form the first wavelength of different segments. Converting the material 53 to convert the light L1 having the first wavelength band into the red light R and the green light G, respectively, or a single type of fluorescent agent, and converting the light L1 having the first wavelength band into the red light containing R And the green light G band yellow light Y. In a preferred embodiment, in the preferred embodiment of the present invention, the light L1 having the first wavelength band is preferably blue light, and the light L2 having the second wavelength band is preferably red light R and green light G or yellow light Y. . In addition, the first optical path P1 and the second optical path P2 of the light source system 6 of the present invention are designed to be folded through the optical path and then merged with the third optical path P3, and sent to the optical machine 7 for application at the back end. It can be projected by three primary colors (blue light, red light and green light), or can be projected with three primary colors and yellow light, and it is better to use time-sharing projection.

In addition, the light source system 6 of the present invention is provided with a first beam splitter 62 and a second beam splitter 63 on the first light path P1 , wherein the first beam splitter 62 is disposed between the solid state light emitting element 61 and the light wavelength conversion device 5 . The second beam splitter 63 is disposed between the first beam splitter 62 and the light machine 7, that is, between the first light path P1 and the third light path P3, and disposed on the second light path P2 and the third. Between the optical paths P3, the first optical path P1 and the second optical path P2 are integrated and output to the third optical path P3.

Further, the light source system 6 further includes a first mirror 64 and a second mirror 65, and the first mirror 64 and the second mirror 65 are sequentially disposed on the second light path P2 and in the second light path P2. The upper portion is located between the optical wavelength conversion device 5 and the second dichroic mirror 63 to be configured to reflect the light L1 having the first wavelength band (for example, blue light) and to penetrate other color light.

Referring to FIGS. 2A and 2B, in a preferred embodiment of the present invention, the optical wavelength conversion device 5 is adapted to convert light having a first wavelength band, and the optical wavelength conversion device 5 includes two first substrates. 51 and a second substrate 52. Each of the first substrates 51 has two first bonding portions 512, and the first substrate 51 is configured to penetrate light having a first wavelength band. The second substrate 52 is disposed between the two first substrates 51 and has four second bonding portions 522, and the second substrate 52 is configured to convert light having the first wavelength band into light having the second wavelength band and reflect Light having the second wavelength band. Each of the first engaging portions 512 is disposed corresponding to one of the four second engaging portions 522, and each of the first engaging portions 512 and each of the second engaging portions 522 has a complementary shape to enable the first engaging portion. The 512 and the second joint portion 522 are respectively fixed to each other.

In summary, the present invention provides a light wavelength conversion device and a light source system thereof, wherein the first joint portion of the first substrate and the second joint portion of the second substrate have complementary shapes and are fixed to each other. In addition to reducing the wind-cutting sound generated when the optical wavelength conversion device is rotated, the first substrate and the second substrate can be further prevented from being separated by centrifugal force during synchronous high-speed rotation, thereby improving safety and stability, and at the same time Reduce noise and other effects. In addition, since the second substrate is tightly fixed by the fixing member in a single-piece type, the rotation balance can be easily achieved, and the assembly is convenient, and the assembly is convenient, and the second substrate and the second substrate are not particularly clamped. Effectively reduce the cost of manufacturing. At the same time, a light-transmitting sheet, a diffusion sheet or a filter is selected through the first substrate, and a second wavelength conversion material different from the first wavelength conversion material can be further disposed, which can be applied to different light sources according to the optical path requirements of various optical machines. Diversified design flexibility.

The present invention has been described in detail by the above-described embodiments, and may be modified by those skilled in the art, without departing from the scope of the appended claims.

5‧‧‧Light wavelength conversion device

51‧‧‧First substrate

511‧‧‧ first section

512‧‧‧First joint

52‧‧‧second substrate

521‧‧‧second section

522‧‧‧Second joint

53‧‧‧First wavelength conversion material

54‧‧‧Fixed components

Claims (20)

An optical wavelength conversion device includes: at least one first substrate, each of the first substrates having a first segment and at least one first bonding portion; a second substrate disposed adjacent to the first substrate and having at least one a second section and at least one second joint, wherein the second joint has a complementary shape to the first joint; and a first wavelength converting material is disposed on the second section for use Converting light having a first wavelength band into light having a second wavelength band; wherein the first segment is interlaced with the second segment to cause the first joint portion and the second joint portion to mutually The joint is fixed, wherein the first section is for penetrating light having the first wavelength band, and the second section is for reflecting light having the second wavelength band. The optical wavelength conversion device of claim 1, wherein the first substrate and the second substrate are made of different materials and are spliced to each other to form a wheel-type body, and the first segment and the first The sum of the central angles corresponding to the two segments is 360 degrees. The optical wavelength conversion device of claim 2, wherein the first substrate has an inner diameter and an outer diameter with respect to a center of the wheel body, and the first joint is formed at the inner diameter And between the outer diameters. The optical wavelength conversion device of claim 1, wherein the first joint portion is a circular projection, and the second joint portion is a circular depression corresponding to one of the circular projections. unit. The optical wavelength conversion device of claim 1, wherein the first joint portion is a polygonal projection, and the second joint portion is a polygonal recess corresponding to one of the polygonal projections. The optical wavelength conversion device of claim 1, wherein the first joint portion is a circular recess portion, and the second joint portion is a circular protrusion corresponding to one of the circular recess portions. . The optical wavelength conversion device according to claim 1, wherein the first joint portion is a polygonal recess portion, and the second joint portion is a polygonal convex portion corresponding to one of the polygonal recess portions. The optical wavelength conversion device of claim 1, further comprising a fixing component coupled to the second substrate for fixing the first substrate and the second substrate. The optical wavelength conversion device of claim 1, wherein each of the first segments is disposed between adjacent second segments, or each of the second segments is disposed adjacent to each other Between the first segments. The optical wavelength conversion device of claim 1, wherein the first substrate is a light transmissive sheet, a diffusing sheet or a filter. The optical wavelength conversion device according to claim 1, wherein the light system having the first wavelength band is blue light, and the light system having the second wavelength band is visible light having a wavelength greater than 460 nm. The optical wavelength conversion device of claim 1, further comprising a second wavelength converting material, wherein the second wavelength converting material is disposed in the first segment for using the light having the first wavelength band Converted to light with a third band. The optical wavelength conversion device according to claim 12, wherein the light system having the third wavelength band has a wavelength greater than or equal to 460 nm and less than or equal to 520 nm and the main A cyan light with a peak of 490 nm is required. The optical wavelength conversion device according to claim 12, wherein the light system having the third wavelength band is green light having a wavelength greater than or equal to 470 nm and less than or equal to 530 nm. A light source system comprising: a solid-state light-emitting element configured to emit light having a first wavelength band; and a light wavelength conversion device comprising: at least one first substrate, each of the first substrate having a first segment and at least a first bonding portion, a second substrate adjacent to the first substrate and having at least one second segment and at least one second bonding portion, wherein the second bonding portion and the first bonding portion have mutual And a first wavelength converting material disposed in the second segment for converting light having the first wavelength band into light having a second wavelength band; wherein the first segment is associated with The second sections are staggered such that the first joint portion and the second joint portion are coupled to each other, wherein the first portion is configured to penetrate light having the first wavelength band, the second region The segment reflects light having the second wavelength band. The light source system of claim 15, wherein the second segment reflects light having the second wavelength band to a first optical path, and the light system having the first wavelength band penetrates the first region The segment is output to a second optical path. The light source system of claim 16, further comprising a third light path disposed on the first light path and the second light path, and the first light path and the second light path are combined In the third optical path, the light having the first wavelength band and the light having the second wavelength band are integrated and output to the optical machine through the third optical path. The light source system of claim 17, further comprising: a first beam splitter disposed between the solid state light emitting device and the light wavelength conversion device, configured to penetrate light having the first wavelength band And reflecting the light having the second wavelength band; and a second beam splitter disposed between the first beam splitter and the light machine to be configured to reflect light having the first wavelength band and to have the second wavelength band Light penetrates, and the first light path and the second light path are integrated and output to the third light path. The light source system of claim 18, further comprising a first mirror and a second mirror, wherein the first mirror and the second mirror are sequentially disposed on the second optical path and The second optical path is located between the optical wavelength conversion device and the second beam splitter to reflect light having the first wavelength band and to penetrate other color light. A light wavelength conversion device includes: two first substrates, each of the first substrates having two first joint portions; and a second substrate disposed between the two first substrates and having four second joints And a wavelength conversion material disposed on the second substrate for converting light having a first wavelength band into light having a second wavelength band; wherein each of the first bonding portions and the four fourth portions One of the two joint portions is disposed correspondingly, and each of the first joint portions and each of the second joint portions have a complementary shape, so that the first joint portion and the second joint portion are respectively engaged with each other, wherein The first substrate is configured to penetrate light having the first wavelength band, and the second substrate reflects light having the second wavelength band.