Wavelength conversion device, light and shadow processing equipment, and light processing method

Abstract

The present invention provides a wavelength conversion device, a light and shadow processing device and a light processing method, which relate to the field of light and shadow processing technology. The wavelength conversion device provided by the present invention comprises: a substrate, a light-transmitting device and a driving device, wherein the substrate is provided with a light-transmitting part and a wavelength conversion part, and the driving device is connected to the substrate in a transmission manner so that the light-transmitting part and the wavelength conversion part are alternately arranged in a preset light path of the light-transmitting device. The wavelength conversion device provided by the present invention can realize blue light emission in the wavelength conversion device, can obtain uniform and healthy blue light, and is conducive to simplifying the light path structure.

Description

Technical Field

[0001] The present invention relates to the technical field of light and shadow processing, and in particular to a wavelength conversion device, a light and shadow processing equipment and a light processing method. Background Art

[0002] The wavelength conversion device is usually used to convert the excitation light into the stimulated light. When the wavelength conversion device is applied to the projector, if a wavelength conversion device is added to compensate for the blue light path, the structure of the projector will be more complex and the weight of the projector will increase. If the wavelength conversion material is used to convert the short-wave excitation light to obtain blue light, the efficiency of the blue light will be low. Therefore, how to achieve blue light emission in the wavelength conversion device has become a technical problem that needs to be solved urgently. Summary of the invention

[0003] The object of the present invention is to provide a wavelength conversion device, a light processing equipment and a light processing method, which can realize blue light emission in the wavelength conversion device.

[0004] In a first aspect, the wavelength conversion device provided by the present invention comprises: a substrate, a light-conducting device and a driving device; the substrate is provided with a light-conducting part and a wavelength conversion part; the driving device is transmission-connected to the substrate so that the light-conducting part and the wavelength conversion part are alternately arranged in a preset optical path of the light-conducting device.

[0005] In combination with the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the base is arranged to form a containing area; along the circumference of the containing area, the light transmission part and the wavelength conversion part are provided one by one on the base; and the driving device is configured to drive the base to rotate around the light transmission device.

[0006] In combination with the first aspect, the present invention provides a second possible implementation of the first aspect, wherein the light transmission device includes a light reflection device; the light reflection device is configured to: when the light transmission part is arranged in the preset optical path, the light incident on the light reflection device through the light transmission part is reflected and emitted through the light transmission part.

[0007] In combination with the second possible implementation of the first aspect, the present invention provides a third possible implementation of the first aspect, wherein the light transmission portion includes a light-transmitting gap; the light entering the light reflecting device through the light-transmitting gap is reflected by the light reflecting device and emitted through the light-transmitting gap.

[0008] Combined with the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the substrate rotates to alternately arrange the light-transmitting notch and the wavelength conversion part in the preset optical path; with respect to the rotation axis of the substrate, the central angle corresponding to the light-transmitting notch is less than 90 degrees.

[0009] Combined with the fourth possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein in the state where the light conduction part is arranged in the preset optical path, the light conduction device is located between the rotation axis of the substrate and the light-transmitting notch.

[0010] Combined with the first possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the light conduction device includes a light integrating rod.

[0011] Combined with the sixth possible implementation manner of the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the cross-section of the accommodating area is circular, and the light integrating rod extends along any diameter of the accommodating area.

[0012] Combined with the sixth possible implementation manner of the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein along the extending direction of the light integrating rod, the end faces at both ends of the light integrating rod are parallel to the rotation axis of the substrate.

[0013] Combined with the sixth possible implementation manner of the first aspect, the present invention provides a ninth possible implementation manner of the first aspect, wherein the light conduction part includes: a first light-transmitting port and a second light-transmitting port; along the circumferential direction of the accommodating area, the first light-transmitting port and the second light-transmitting port are spaced apart and arranged on the substrate; in the state where the light conduction part is arranged in the preset optical path, the light integrating rod extends from the first light-transmitting port to the second light-transmitting port.

[0014] Combined with the ninth possible implementation manner of the first aspect, the present invention provides a tenth possible implementation manner of the first aspect, wherein the opening area of the first light-transmitting port is larger than the port area of the light integrating rod; the opening area of the second light-transmitting port is larger than the port area of the light integrating rod.

[0015] Combined with the ninth possible implementation manner of the first aspect, the present invention provides an eleventh possible implementation manner of the first aspect, wherein the first light-transmitting port and the second light-transmitting port are centrosymmetric with respect to the rotation axis of the substrate; the wavelength conversion part includes an even number of wavelength conversion areas, and a part of the wavelength conversion areas and another part of the wavelength conversion areas are symmetric with respect to the central connection line of the first light-transmitting port and the second light-transmitting port.

[0016] In combination with the first aspect, the present invention provides a twelfth possible implementation manner of the first aspect, wherein the wavelength conversion device further includes a blue light wavelength conversion element, and the blue light wavelength conversion element is disposed in a preset light path of the light conduction device for converting the excitation light into the excited light containing long-wavelength blue light.

[0017] In combination with the first aspect, the present invention provides a thirteenth possible implementation manner of the first aspect, wherein the wavelength conversion device further includes a polarization conversion element, and the polarization conversion element is disposed in a preset light path of the light conduction device for converting the polarization state of the excitation light reflected by the light reflection device.

[0018] In a second aspect, the light and shadow processing device provided by the present invention includes: an excitation light source and the wavelength conversion device provided in the first aspect, wherein the light conduction device is fixed in position relative to the excitation light source; in a state where the light conduction part is disposed in the preset light path, the excitation light emitted by the excitation light source enters the light conduction device along the preset light path.

[0019] In combination with the second aspect, the present invention provides a first possible implementation manner of the second aspect, wherein the light and shadow processing device further includes: a dichroic element and a light conditioning assembly; the light conditioning assembly is used for processing the blue light and / or the excited light emitted by the wavelength conversion device and making it enter the dichroic element; the blue light and the excited light are combined and emitted by the dichroic element.

[0020] In a third aspect, the light processing method provided by the present invention includes: shooting the excitation light along a preset light path of a light conduction device towards a wavelength conversion device; driving a base to rotate or move relative to the light conduction device, and alternately disposing the light conduction part and the wavelength conversion part in the preset light path.

[0021] The embodiments of the present invention bring the following beneficial effects: By using a base provided with a light conduction part and a wavelength conversion part, and driving the base through a driving device to alternately dispose the light conduction part and the wavelength conversion part in the preset light path of the light conduction device, the wavelength conversion device provided by the present invention, when applied to blue light excitation, does not need to add a laser for blue light compensation, can solve the technical problem of lack of blue light in the wavelength conversion device, and is beneficial to simplifying the optical path structure.

[0022] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following specific preferred embodiments are given below in conjunction with the accompanying drawings for detailed description. Description of the Drawings

[0023] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the related art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the related art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 Schematic diagram of the first wavelength conversion device provided by an embodiment of the present invention;

[0025] Figure 2 Schematic diagram of the substrate and the optical conduction device of the first wavelength conversion device provided by an embodiment of the present invention;

[0026] Figure 3 Cross-sectional view of the second wavelength conversion device provided by an embodiment of the present invention;

[0027] Figure 4 Schematic diagram of the substrate and the optical conduction device of the second wavelength conversion device provided by an embodiment of the present invention;

[0028] Figure 5 Cross-sectional view of the substrate and the optical conduction device of the second wavelength conversion device provided by an embodiment of the present invention;

[0029] Figure 6 Expansion schematic of the substrate of the wavelength conversion device provided by an embodiment of the present invention Figure 1 ;

[0030] Figure 7 Expansion schematic of the substrate of the wavelength conversion device provided by an embodiment of the present invention Figure 2 ;

[0031] Figure 8 Schematic diagram of the light and shadow processing device provided by an embodiment of the present invention.

[0032] Icon: 100 - Substrate; 101 - Accommodation area; 110 - Optical conduction part; 111 - First light transmission port; 112 - Second light transmission port; 120 - Wavelength conversion part; 121 - First conversion area; 122 - Second conversion area; 123 - Third conversion area; 124 - Fourth conversion area; 125 - Fifth conversion area; 126 - Sixth conversion area; 200 - Optical conduction device; 300 - Driving device; 400 - Excitation light source; 410 - Light source device; 420 - Second lens; 430 - Third lens; 440 - Light homogenizing device; 500 - Dichroic element; 600 - Light finishing assembly; 610 - Polarization converter; 620 - First lens; 700 - Compensation light source. Specific embodiments

[0033] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Physical quantities in formulas, if not separately marked, should be understood as basic quantities of the base units of the International System of Units, or derived quantities derived from the basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] This embodiment is described with reference to the excitation and conduction of blue light. In fact, the present invention is applicable to the excitation and conduction of light within any wavelength range.

[0037] like Figure 1 , Figure 3 and Figure 5 As shown, the wavelength conversion device provided by the embodiment of the present invention includes: a substrate 100, a light-conducting device 200 and a driving device 300; the substrate 100 is provided with a light-conducting portion 110 and a wavelength conversion portion 120; the driving device 300 is transmission-connected to the substrate 100 so that the light-conducting portion 110 and the wavelength conversion portion 120 are alternately arranged in a preset optical path of the light-conducting device 200.

[0038] Specifically, the light transmission device 200 includes a light integrator rod or a light reflection device. When the excitation light enters the light transmission device 200 through the light transmission part 110, the blue light is emitted through the light transmission device 200; when the excitation light enters the wavelength conversion part 120 along a preset optical path, the wavelength conversion part 120 can convert the excitation light into converted light and emit the converted light.

[0039] In some embodiments, the driving device 300 employs a cylinder, which drives the base body 100 to reciprocate in a direction perpendicular to the preset optical path. The light conduction part 110 and the wavelength conversion part 120 are arranged one by one along the moving direction of the base body 100, so that the light conduction part 110 and the wavelength conversion part 120 can be alternately arranged in the preset optical path.

[0040] Such as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, in this embodiment, the base body 100 encloses to form an accommodation area 101; along the circumferential direction of the accommodation area 101, the light conduction part 110 and the wavelength conversion part 120 are arranged one by one on the base body 100; the driving device 300 is configured to drive the base body 100 to rotate around the light conduction device 200. Wherein, the driving device 300 includes a motor, the stator of the motor is connected to the frame, and the rotor of the motor is connected to the base body 100. By driving the base body 100 to rotate around the accommodation area 101 by the driving device 300, the light conduction part 110 and the wavelength conversion part 120 can pass through the preset optical path of the light conduction device 200 one by one. The base body 100 encloses to form the accommodation area 101, and the cross-section of the accommodation area 101 is circular. By driving the base body 100 to rotate around its own axis, the light conduction part 110 and the wavelength conversion part 120 are alternately arranged in the preset optical path. Compared with the way of driving the base body 100 to reciprocate, the base body 100 enclosing to form the accommodation area 101 can have a larger size, better heat dissipation performance, and higher conversion efficiency.

[0041] Furthermore, the light conduction device 200 is connected to the frame or the stator of the motor, and the excitation light is incident into the wavelength conversion device along the preset light ray of the light conduction device 200. During the alternate switching process of the light conduction part 110 and the wavelength conversion part 120, the position of the light conduction device 200 is fixed relative to the incident light, so that the light output skew or blue light loss caused by the deflection of the light conduction device 200 can be avoided.

[0042] Such as Figure 1 and Figure 2 As shown, the light conduction device 200 includes a light reflection device; the light reflection device is configured to: in the state where the light conduction part 110 is arranged in the preset optical path, reflect the light incident into the light reflection device through the light conduction part 110 and emit it through the light conduction part 110. Wherein, the light reflection device can adopt a blue light reflecting mirror; or, the light reflection device is formed by roughening the surface of the base material, coating a reflection coating or coating a film, etc., so that the light reflection device has a high diffuse reflectivity.

[0043] Specifically, when the light conduction part 110 is arranged in the preset optical path, after the blue light is specularly reflected, diffusely reflected or scattered by the mirror surface of the light reflection device, it is emitted through the light conduction part 110; when the wavelength conversion part 120 is arranged in the preset optical path, the wavelength conversion part 120 converts the excitation light into the stimulated light, and is reflected by the diffuse reflection layer on the surface of the wavelength conversion part 120. During the process of alternately arranging the light conduction part 110 and the wavelength conversion part 120 in the preset optical path, the blue light and the stimulated light are emitted from the wavelength conversion device one by one, without converting the short-wave excitation light to obtain the blue light, and it is convenient to guide the blue light and the stimulated light to be combined.

[0044] Furthermore, the wavelength conversion device further includes a blue light wavelength conversion element, which is arranged in the preset optical path of the light conduction device 200 and is used for converting the excitation light into the stimulated light containing long-wave blue light.

[0045] Furthermore, the wavelength conversion device further includes a polarization conversion element, which is arranged in the preset optical path of the light conduction device 200 and is used for converting the polarization state of the excitation light reflected by the light reflection device.

[0046] Furthermore, the light conduction part 110 includes a light-transmitting notch; the light entering the light reflection device through the light-transmitting notch is reflected by the light reflection device and emitted through the light-transmitting notch. Among them, the light enters the light reflection device through the light-transmitting notch, and the blue light reflected by the light reflection device is emitted through the light-transmitting notch. There is no need to separately set the light inlet and the light outlet, so that the area occupied by the light-transmitting notch on the surface of the base 100 is reduced, thereby leaving a larger layout space for the wavelength conversion part 120.

[0047] Furthermore, the base 100 is rotated so that the light-transmitting notch and the wavelength conversion part 120 are alternately arranged in the preset optical path; with respect to the rotation axis of the base 100, the central angle corresponding to the light-transmitting notch is less than 90 degrees. Among them, the central angle corresponding to the light-transmitting notch is 30 degrees, 32 degrees, 35 degrees, 40 degrees, 45 degrees, 60 degrees or 75 degrees, and the central angle corresponding to the light-transmitting notch can be increased or decreased according to the rotation speed of the base 100 and the required amount of blue light. For example, under the condition that the rotation speed of the base 100 is constant, if the required amount of blue light is large, the central angle corresponding to the light-transmitting notch is increased, so as to increase the duration of the blue light reflected by the light reflection device in each rotation period of the base 100. It should be noted that in order to make the central angle corresponding to the light-transmitting notch less than 90 degrees, the light reflection device should be arranged between the rotation axis of the base 100 and the light-transmitting notch, so that the light reflection device is close to the light-transmitting notch, so that the blue light entering the light reflection device through the light-transmitting notch can be emitted through the light-transmitting notch after being reflected by the light reflection device.

[0048] Such as Figure 3 、 Figure 4 and Figure 5As shown, the optical conduction device 200 includes an optical integration rod. Specifically, when the optical conduction part 110 is arranged in the preset optical path of the optical conduction device 200, light rays enter the optical integration rod through the optical conduction part 110. The blue light enters from one end of the optical integration rod and exits from the other end of the optical integration rod after being homogenized.

[0049] Furthermore, the optical conduction part 110 includes: a first light transmission port 111 and a second light transmission port 112; along the circumferential direction of the accommodation area 101, the first light transmission port 111 and the second light transmission port 112 are arranged on the substrate 100 at intervals; in the state where the optical conduction part 110 is arranged in the preset optical path, the optical integration rod extends from the first light transmission port 111 to the second light transmission port 112. Among them, when the substrate 100 rotates to the state where the optical conduction part 110 is arranged in the preset optical path of the optical conduction device 200, the optical integration rod extends from the first light transmission port 111 to the second light transmission port 112. The opening area of the first light transmission port 111 is larger than the port area of the optical integration rod, and the opening area of the second light transmission port 112 is larger than the port area of the optical integration rod, so as to extend the light incident time of the optical integration rod in each cycle. Light rays enter the optical integration rod through one of the first light transmission port 111 and the second light transmission port 112, and the blue light after being homogenized by the optical integration rod exits through the other of the first light transmission port 111 and the second light transmission port 112.

[0050] Furthermore, the cross-section of the accommodation area 101 is circular, and the optical integration rod extends along any diameter of the accommodation area 101. The substrate 100 encloses to form an accommodation area 101 with a circular cross-section, and the optical integration rod extends along the radial direction of the accommodation area 101. When the substrate 100 rotates one circle around its own axis, the optical conduction part 110 can be arranged in the optical path of the optical integration rod twice.

[0051] Furthermore, along the extension direction of the optical integration rod, the end faces at both ends of the optical integration rod are parallel to the rotation axis of the substrate 100. The light rays entering from one of the first light transmission port 111 and the second light transmission port 112 are transmitted along the optical integration rod, and the transmission direction is perpendicular to the rotation axis of the substrate 100.

[0052] Furthermore, the first light transmission port 111 and the second light transmission port 112 are centrosymmetric with respect to the rotation axis of the substrate 100; the wavelength conversion part 120 includes an even number of wavelength conversion areas, and a part of the wavelength conversion areas and another part of the wavelength conversion areas are symmetric with respect to the central connection line of the first light transmission port 111 and the second light transmission port 112.

[0053] As Figure 2 and Figure 4 shown, when the wavelength conversion part 120 is arranged in the preset optical path of the optical conduction device 200, the wavelength conversion part 120 blocks the excitation light from entering the optical conduction device 200, and the excitation light is converted into stimulated light by the wavelength conversion part 120 and reflected.

[0054] AsFigure 2 , Figure 4 and Figure 6 As shown in Figure 2 , Figure 4 and Figure 6 , in one embodiment, the wavelength conversion unit 120 includes an even number of wavelength conversion regions. For example, the wavelength conversion unit 120 includes: a first conversion region 121, a second conversion region 122, a third conversion region 123, and a fourth conversion region 124. The third conversion region 123, the first light-transmitting port 111, the second conversion region 122, the first conversion region 121, the second light-transmitting port 112, and the fourth conversion region 124 are arranged along the substrate 100 one by one. Both the first conversion region 121 and the third conversion region 123 are configured as green light wavelength conversion regions, and both the second conversion region 122 and the fourth conversion region 124 are configured as red light wavelength conversion regions. Under the condition that the substrate 100 encloses to form an accommodation region 101, rotating the substrate 100 around the light conduction device 200 can make the third conversion region 123, the first light-transmitting port 111, the second conversion region 122, the first conversion region 121, the second light-transmitting port 112, and the fourth conversion region 124 be sequentially arranged on the light incident side of the optical path.

[0055] As Figure 2 , Figure 4 and Figure 7 As shown in ,

[0055] and Figure 2 , in another embodiment, the wavelength conversion unit 120 includes: a first conversion region 121, a second conversion region 122, a third conversion region 123, a fourth conversion region 124, a fifth conversion region 125, and a sixth conversion region 126. The first light-transmitting port 111, the sixth conversion region 126, the fifth conversion region 125, the fourth conversion region 124, the second light-transmitting port 112, the third conversion region 123, the second conversion region 122, and the first conversion region 121 are arranged in sequence. Both the third conversion region 123 and the sixth conversion region 126 are configured as red light wavelength conversion regions, both the second conversion region 122 and the fifth conversion region 125 are configured as yellow light wavelength conversion regions, and both the fourth conversion region 124 and the first conversion region 121 are configured as green light wavelength conversion regions. Under the condition that the substrate 100 encloses to form an accommodation region 101, rotating the substrate 100 around the light conduction device 200 can make the first conversion region 121, the second conversion region 122, the third conversion region 123, the fourth conversion region 124, the fifth conversion region 125, and the sixth conversion region 126 be sequentially arranged on the light incident side of the optical path.

[0056] In one embodiment, the wavelength conversion device further includes a blue light wavelength conversion element disposed in a preset optical path of the light conduction device 200 for converting the excitation light into the excited light containing long-wavelength blue light. The blue light wavelength conversion element can be configured as a blue light wavelength conversion material coated on the light conduction device 200, which can convert part or all of the excitation light into the excited light containing long-wavelength blue light. The long-wavelength blue light can reduce the stimulation of the light emitted by the wavelength conversion device to the human eye. It should be noted that if the light conduction device 200 uses a light reflection device, the blue light wavelength conversion element can be a blue light wavelength conversion material coated on a reflection substrate, and the blue light wavelength conversion material can also be added to the diffuse reflection coating; if the light conduction device 200 uses a light integrating rod, the blue light wavelength conversion element uses a transparent substrate. In another embodiment, the wavelength conversion device further includes a polarization conversion element disposed in a preset optical path of the light conduction device 200, and the polarization conversion element can convert the excitation light reflected by the light reflection device into a polarization state different from the original excitation light.

[0057] Embodiment 2

[0058] As Figure 2 、 Figure 4 、 Figure 5 and Figure 8 As shown in Figure 2 , Figure 4 , Figure 5 and Figure 8 , the light and shadow processing device provided by the embodiment of the present invention includes: an excitation light source 400 and the wavelength conversion device provided by Embodiment 1, and the light conduction device 200 is fixed relative to the excitation light source 400; in a state where the light conduction part 110 is disposed in the preset optical path, the excitation light emitted by the excitation light source 400 is incident on the light conduction device 200 along the preset optical path.

[0059] Specifically, during the process that the driving device 300 drives the base body 100 to switch the light conduction part 110 and the wavelength conversion part 120 to be alternately disposed in the preset optical path, the light conduction device 200 is fixed relative to the excitation light source 400, so as to avoid the loss or deviation of blue light caused by the offset of the light conduction device 200.

[0060] In the embodiment of the present invention, the light and shadow processing device further includes: a dichroic element 500 and a light conditioning component 600; the light conditioning component 600 is used for processing the blue light and / or the excited light emitted by the wavelength conversion device and making it incident on the dichroic element 500; the blue light and the excited light are combined by the dichroic element 500 and then emitted. Among them, the dichroic element 500 can reflect the blue light with the first polarization characteristic, can transmit the blue light with the second polarization characteristic perpendicular to the polarization direction of the blue light with the first characteristic, and can reflect or transmit the excited light converted by the wavelength conversion material.

[0061] In some embodiments, the blue light or the pumped laser emitted by the wavelength conversion device is respectively processed by the optical conditioning component 600 and then enters the dichroic element 500. The blue light and the pumped laser entering the dichroic element 500 are combined and emitted.

[0062] In this embodiment, the included angle between the light reflecting device of the wavelength conversion device and the dichroic element 500 is 45 degrees. The blue light and the pumped laser emitted by the wavelength conversion device respectively enter the optical conditioning component 600. The blue light and the pumped laser processed by the optical conditioning component 600 enter the dichroic element 500, are combined and emitted.

[0063] Specifically, the optical conditioning component 600 includes a polarization converter 610. The light emitted by the excitation light source 400 is processed by the polarization converter 610 and converted into excitation light with another polarization characteristic. The excitation light after the conversion of the polarization characteristic is incident on the wavelength conversion device. When the light conduction part 110 is located in the preset optical path, the excitation light passes through the light conduction part 110 and enters the light conduction device 200, and then returns to the polarization converter 610, thereby being converted into blue light with a polarization direction perpendicular to that of the excitation light entering the polarization converter 610. The blue light is emitted by the dichroic element 500 through reflection or transmission. In addition, the optical conditioning component 600 further includes a first lens 620. The first lens 620 can be a convex lens, and the light entering or emitted by the wavelength conversion device is processed by the first lens 620.

[0064] Furthermore, the excitation light source 400 includes: a light source device 410, a second lens 420, a third lens 430, and a light homogenizing device 440. The light source device 410, the second lens 420, the third lens 430, and the light homogenizing device 440 are arranged in sequence. The second lens 420, the third lens 430, and the light homogenizing device 440 jointly process the excitation light emitted by the light source device 410 and make the excitation light enter the dichroic element 500. A compensation light source 700 can be added to the wavelength conversion device. The light emitted by the compensation light source 700 enters the dichroic element 500. The light processed by the dichroic element 500 enters the optical conditioning component 600 and is processed by the optical conditioning component 600 and then enters the wavelength conversion device.

[0065] Embodiment III

[0066] Such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown in the figure, the optical processing method provided by the embodiment of the present invention includes: shooting the excitation light along a preset optical path of the optical conduction device 200 towards the wavelength conversion device; driving the substrate 100 to rotate or move relative to the optical conduction device 200, and alternately arranging the optical conduction part 110 and the wavelength conversion part 120 in the preset optical path. When the optical conduction part 110 is arranged in the preset optical path, the excitation light enters the optical conduction device 200 through the optical conduction part 110, and the blue light processed by the optical conduction device 200 is emitted; when the wavelength conversion part 120 is arranged in the preset optical path, the wavelength conversion part 120 can convert the excitation light into the stimulated light and reflect it. By alternately arranging the optical conduction part 110 and the wavelength conversion part 120 in the preset optical path, the blue light and the stimulated light can be emitted one by one in a certain time sequence, without adding a blue light compensation optical path, and it is convenient to guide the combination of the stimulated light and the blue light.

[0067] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wavelength conversion device, characterized in that, Comprising: a substrate (100), an optical conduction device (200), and a driving device (300); the substrate (100) is provided with an optical conduction part (110) and a wavelength conversion part (120); the driving device (300) is drivingly connected to the substrate (100) so that the optical conduction part (110) and the wavelength conversion part (120) are alternately arranged in a preset optical path of the optical conduction device (200); the optical conduction device (200) includes an optical reflection device; the optical reflection device is configured to: in a state where the optical conduction part (110) is arranged in the preset optical path, reflect the light rays incident on the optical reflection device through the optical conduction part (110) and emit them through the optical conduction part (110); the optical conduction part (110) includes a light-transmitting gap; the light rays incident on the optical reflection device through the light-transmitting gap are reflected by the optical reflection device and emitted through the same light-transmitting gap; the substrate (100) rotates to alternately arrange the light-transmitting gap and the wavelength conversion part (120) in the preset optical path; with respect to the rotation axis of the substrate (100), the central angle corresponding to the light-transmitting gap is less than 90 degrees; in a state where the optical conduction part (110) is arranged in the preset optical path, the optical conduction device (200) is located between the rotation axis of the substrate (100) and the light-transmitting gap.

2. The wavelength conversion device according to claim 1, characterized in that, The substrate (100) encloses to form a receiving area (101); along the circumferential direction of the receiving area (101), the optical conduction part (110) and the wavelength conversion part (120) are successively arranged on the substrate (100); the driving device (300) is configured to drive the substrate (100) to rotate around the optical conduction device (200).

3. The wavelength conversion device according to claim 1, wherein The substrate (100) rotates to alternately arrange the light-transmitting gap and the wavelength conversion part (120) in the preset optical path.

4. The wavelength conversion device according to any one of claims 1 to 3, characterized in that The wavelength conversion device further includes a blue light wavelength conversion element, and the blue light wavelength conversion element is arranged in the preset optical path of the optical conduction device (200) for converting the excitation light into the stimulated emission light containing long-wave blue light.

5. The wavelength conversion device according to claim 1, characterized in that, The wavelength conversion device further includes a polarization conversion element, and the polarization conversion element is arranged in the preset optical path of the optical conduction device (200) for converting the polarization state of the excitation light reflected by the optical reflection device.

6. A light and shadow processing device, characterized in that, Comprising: an excitation light source (400) and the wavelength conversion device according to any one of claims 1-5, wherein the optical conduction device (200) is fixed in position relative to the excitation light source (400); in a state where the optical conduction part (110) is arranged in the preset optical path, the excitation light emitted by the excitation light source (400) is incident on the optical conduction device (200) along the preset optical path.

7. The light and shadow processing device according to claim 6, wherein Further comprising: a dichroic element (500) and an optical conditioning assembly (600); the optical conditioning assembly (600) is used for processing the blue light and / or the stimulated emission light emitted by the wavelength conversion device and making them incident on the dichroic element (500); the blue light and the stimulated emission light are combined and emitted by the dichroic element (500).

8. A light processing method, characterized in that, The light processing method adopts the wavelength conversion device according to any one of claims 1 to 5, comprising: Directing the excitation light along a preset optical path of the light-conducting device (200) toward the wavelength conversion device; The driving base (100) is rotated or moved relative to the light-conducting device (200), and the light-conducting portion (110) and the wavelength conversion portion (120) are alternately arranged in the preset light path.

9. A wavelength conversion device, characterized in that, include: A substrate (100), a light-conducting device (200), and a driving device (300); The base (100) is provided with a light transmission part (110) and a wavelength conversion part (120); The driving device (300) is drivingly connected to the base (100) so that the light transmission part (110) and the wavelength conversion part (120) are alternately arranged in a preset light path of the light transmission device (200); The base (100) is surrounded to form a containing area (101); along the circumference of the containing area (101), the light transmission parts (110) and the wavelength conversion parts (120) are provided one by one on the base (100); the driving device (300) is configured to drive the base (100) to rotate around the light transmission device (200); The light-conducting device (200) comprises a light integrator rod; Along the extension direction of the light integrator rod, the end faces at both ends of the light integrator rod are parallel to the rotation axis of the base (100); The light transmission part (110) comprises: a first light transmission opening (111) and a second light transmission opening (112); Along the circumference of the accommodating area (101), the first light-transmitting opening (111) and the second light-transmitting opening (112) are arranged on the base body (100) at intervals; When the light transmission portion (110) is arranged in the preset light path, the light integrator rod extends from the first light transmission opening (111) to the second light transmission opening (112); The opening area of ​​the first light-transmitting port (111) is larger than the port area of ​​the light integrator rod; The opening area of ​​the second light-transmitting port (112) is larger than the port area of ​​the light integrator rod.

10. The wavelength conversion device according to claim 9, wherein The cross section of the accommodating area (101) is circular, and the light integrator rod extends along any diameter of the accommodating area (101).

11. The wavelength conversion device according to claim 9, characterized in that, The first light-transmitting opening (111) and the second light-transmitting opening (112) are symmetrical relative to the center of the rotation axis of the base body (100); The wavelength conversion portion (120) comprises an even number of wavelength conversion areas, and a portion of the wavelength conversion areas and another portion of the wavelength conversion areas are symmetrical relative to a central line connecting the first light-transmitting opening (111) and the second light-transmitting opening (112).

12. The wavelength conversion device according to any one of claims 9-11, characterized in that, The wavelength conversion device further comprises a blue light wavelength conversion element, which is arranged in a preset light path of the light-conducting device (200) and is used for converting the excitation light into a stimulated light containing long-wave blue light.

13. A light and shadow processing device, characterized in that, include: An excitation light source (400) and a wavelength conversion device as claimed in any one of claims 9 to 12, wherein the light transmission device (200) is fixed relative to the excitation light source (400); With the light conduction part (110) disposed in the preset optical path, the excitation light emitted by the excitation light source (400) is incident on the optical conduction device (200) along the preset optical path.

14. The light and shadow processing device according to claim 13, wherein, It further includes: a dichroic element (500) and a light conditioning component (600); The light conditioning component (600) is configured to process the blue light and / or the stimulated light emitted by the wavelength conversion device and make it incident on the dichroic element (500); The blue light and the stimulated light are combined by the dichroic element (500) and then emitted.

15. A light processing method, characterized in that, The light processing method uses the wavelength conversion device according to any one of claims 9-12, and includes: directing the excitation light along the preset optical path of the optical conduction device (200) towards the wavelength conversion device; driving the base body (100) to rotate relative to the optical conduction device (200), and alternately disposing the light conduction part (110) and the wavelength conversion part (120) in the preset optical path.

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