WO2020042672A1 - Fluorescence conversion assembly, laser light source device, and laser projection system - Google Patents

Abstract

A fluorescence conversion assembly (100, T), a laser light source device, and a laser projection system, the assembly comprising: a fluorescence light guide component (12). Fluorescent crystals (121) used in the fluorescence light guide component (12) are a mono-crystalline fluorescent material. As pure crystals, the fluorescence light guide component is capable of enduring a higher temperature and receiving higher-energy laser light emitted by a laser array (200, 201) without degradation of fluorescence conversion efficiency. A higher transmittance is achieved when laser light is incident on the mono-crystalline fluorescent material, and the laser light is substantially free from scattering in the incident direction of the laser light, thereby realizing low optical loss and a more direct laser path, and effectively improving the fluorescence excitation efficiency. A full-band reflective film layer (122) is coated on a surface of the fluorescent crystals (121), so as to enable fluorescent light of different angles excited by the laser light to be reflected and transmitted within the fluorescence light guide component (12) with high efficiency, and to provide a light homogenization effect.

Description

一种荧光转换组件、激光光源装置及激光投影***Fluorescence conversion component, laser light source device and laser projection system

本申请要求于2018年8月28日提交中国专利局、申请号为201810987781.6、发明名称为“一种荧光轮、激光光源装置及激光投影***”的中国专利申请和于2018年8月28日提交中国专利局、申请号为201810987746.4、发明名称为“一种激光光源装置及激光投影***”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application requires a Chinese patent application filed with the Chinese Patent Office on August 28, 2018, with an application number of 201810987781.6 and an invention name of "a fluorescent wheel, a laser light source device, and a laser projection system", and filed on August 28, 2018 The priority of the Chinese Patent Application of the Chinese Patent Office with an application number of 201810987746.4 and an invention name of "a laser light source device and a laser projection system" is incorporated herein by reference in its entirety.

技术领域Technical field

本公开涉及投影技术领域，尤其涉及一种荧光转换组件、激光光源装置及激光投影***。The present disclosure relates to the field of projection technology, and in particular, to a fluorescence conversion component, a laser light source device, and a laser projection system.

背景技术Background technique

激光因具有亮度高，单色性强，色域宽广等优点被应用于投影显示领域，随着激光显示投影尺寸越来越大，对输出能量要求越来越高，因此对激光光源装置提出了更高要求。Lasers are used in projection display because of their advantages such as high brightness, strong monochromaticity, and wide color gamut. As the size of laser display projections becomes larger and larger, the output energy requirements are higher and higher, so the laser light source device is proposed Higher requirements.

目前，激光光源装置中广泛使用高能激光激发荧光粉发光，以得到用于显示的全波段光。在激光光源装置中采用的荧光转换部件通常包括荧光粉层，以及用于承载荧光粉层的基板。At present, high-energy lasers are widely used in laser light source devices to excite phosphors to emit light, so as to obtain full-band light for display. A fluorescence conversion component used in a laser light source device generally includes a phosphor layer and a substrate for carrying the phosphor layer.

发明内容Summary of the Invention

本公开提供了一种荧光转换组件、激光光源装置及激光投影***，用以提高荧光转换效率，使得激光光源装置及激光投影***的高能高效输出。The present disclosure provides a fluorescence conversion component, a laser light source device, and a laser projection system, which are used to improve the fluorescence conversion efficiency, so that the laser light source device and the laser projection system have high energy and high efficiency output.

第一方面，本公开提供一种荧光转换组件，包括：荧光导光部件；In a first aspect, the present disclosure provides a fluorescence conversion assembly including: a fluorescent light guide member;

所述荧光导光部件包括：荧光晶体，所述荧光晶体垂直于激光的入射方向的两个表面分别为入射面和出射面，除所述入射面和所述出射面以外的外表面具有反射膜层；The fluorescent light-guiding member includes a fluorescent crystal, and two surfaces of the fluorescent crystal perpendicular to the incident direction of the laser light are an incident surface and an exit surface, respectively, and a reflective film is provided on an outer surface other than the incident surface and the exit surface. Floor;

所述荧光导光部件用于将接收的所述激光转换为设定波段的荧光，在所述反射膜层内部反射传输。The fluorescent light-guiding component is configured to convert the received laser light into fluorescence of a set wavelength band, and reflect and transmit the light inside the reflective film layer.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述荧光转换组件包括多个荧光导光部件，所述荧光转换组件还包括：圆形基板，以及固定于所述圆形基板中心的驱动转轴；In some possible implementation manners, in the above-mentioned fluorescence conversion component provided in the present disclosure, the fluorescence conversion component includes a plurality of fluorescent light guide members, and the fluorescence conversion component further includes a circular substrate and is fixed to the circle. Drive shaft in the center of the base plate;

所述多个荧光导光部件固定于所述圆形基板的圆周边缘，并且所述荧光晶体的入射面和出射面平行于所述基板。The plurality of fluorescent light guide members are fixed to a peripheral edge of the circular substrate, and an incident surface and an emission surface of the fluorescent crystal are parallel to the substrate.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述荧光转换组件分为荧光扇区和透射扇区，各所述多个荧光导光部件均设置于所述荧光扇区内；In some possible implementation manners, in the above-mentioned fluorescence conversion component provided by the present disclosure, the fluorescence conversion component is divided into a fluorescence sector and a transmission sector, and each of the plurality of fluorescent light guiding components is disposed on the fluorescent fan. Within

所述荧光转换组件还包括：固定于所述圆形基板的圆周边缘的多个透射导光部件，所述透射导光部件用于透射入射激光；各所述透射导光部件均设置于所述透射扇区内。The fluorescence conversion module further includes: a plurality of transmission light guide members fixed to a peripheral edge of the circular substrate, the transmission light guide members are used to transmit incident laser light; and each of the transmission light guide members is disposed on the Within the transmission sector.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述荧光扇区 至少包括用于出射不同波段荧光的第一荧光扇区和第二荧光扇区；所述第一荧光扇区内的荧光导光部件为第一荧光导光部件，所述第二荧光扇区内的荧光导光部件为第二荧光导光部件；In some possible implementation manners, in the above-mentioned fluorescence conversion component provided by the present disclosure, the fluorescence sector includes at least a first fluorescence sector and a second fluorescence sector for emitting fluorescence in different wavelength bands; the first fluorescence The fluorescent light guiding member in the sector is a first fluorescent light guiding member, and the fluorescent light guiding member in the second fluorescent sector is a second fluorescent light guiding member;

所述第一荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射第一波段荧光的第一膜层，所述第一荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第一波段荧光并反射所述激光的第二膜层；An incident surface of a fluorescent crystal of the first fluorescent light guiding member is provided with a first film layer for transmitting the laser light and reflecting fluorescence of a first wavelength band, and an emitting surface of the fluorescent crystal of the first fluorescent light guiding member is provided. A second film layer for transmitting the first band of fluorescence and reflecting the laser light;

所述第二荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射第二波段荧光的第三膜层，所述第二荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第二波段荧光并反射所述激光的第四膜层。An incident surface of a fluorescent crystal of the second fluorescent light guiding member is provided with a third film layer for transmitting the laser light and reflecting fluorescence of a second wavelength band, and an emitting surface of the fluorescent crystal of the second fluorescent light guiding member is provided. There is a fourth film layer for transmitting the fluorescence in the second wavelength band and reflecting the laser light.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述第一荧光导光部件中的所述荧光晶体与所述第二荧光导光部件中的所述荧光晶体相同；或者，In some possible implementation manners, in the above-mentioned fluorescence conversion component provided by the present disclosure, the fluorescent crystal in the first fluorescent light guide member is the same as the fluorescent crystal in the second fluorescent light guide member; or,

所述第一荧光导光部件中的所述荧光晶体为第一荧光晶体，所述第二荧光导光部件中的所述荧光晶体为第二荧光晶体。The fluorescent crystal in the first fluorescent light guiding member is a first fluorescent crystal, and the fluorescent crystal in the second fluorescent light guiding member is a second fluorescent crystal.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述荧光转换组件包括多个荧光导光部件，所述荧光转换组件还包括：用于透射入射激光的多个透射导光部件；所述多个荧光导光部件与所述多个透射导光部件沿垂直于所述激光的入射方向交替排列成一列构成所述荧光转换组件，所述荧光转换组件沿列方向按照设定的时序往复运动。In some possible implementation manners, in the above-mentioned fluorescence conversion component provided by the present disclosure, the fluorescence conversion component includes a plurality of fluorescent light guide members, and the fluorescence conversion component further includes: a plurality of transmission guides for transmitting incident laser light. Light components; the plurality of fluorescent light-guiding components and the plurality of transmission light-guiding components are alternately arranged in a row along the direction perpendicular to the incident direction of the laser light to form the fluorescence conversion component, and the fluorescence conversion components are arranged along the column direction according to the design Fixed timing reciprocating motion.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述多个荧光导光部件至少分为用于出射第一波段荧光的第一荧光导光部件，以及用于出射第二波段荧光的第二荧光导光部件；In some possible implementation manners, in the above-mentioned fluorescence conversion component provided in the present disclosure, the plurality of fluorescent light guiding members are at least divided into a first fluorescent light guiding member for emitting a first-band fluorescence, and a first fluorescent light guiding member for emitting a first A second fluorescent light-guiding component of two-band fluorescence;

所述第一荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射所述第一波段荧光的第一膜层，所述第一荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第一波段荧光并反射所述激光的第二膜层；An incident surface of a fluorescent crystal of the first fluorescent light guide member is provided with a first film layer for transmitting the laser light and reflecting the fluorescence in the first wavelength band, and an emission of the fluorescent crystal of the first fluorescent light guide member is performed. A surface is provided with a second film layer for transmitting the first band of fluorescence and reflecting the laser light;

所述第二荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射所述第二波段荧光的第三膜层，所述第二荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第二波段荧光并反射所述激光的第四膜层。An incident surface of a fluorescent crystal of the second fluorescent light guiding member is provided with a third film layer for transmitting the laser light and reflecting the fluorescence of the second wavelength band, and the emission of the fluorescent crystal of the second fluorescent light guiding member is emitted. The surface is provided with a fourth film layer for transmitting the fluorescence in the second wavelength band and reflecting the laser light.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述多个荧光导光部件中的所述荧光晶体相同，所述荧光晶体转换的荧光为黄色光；或者，In some possible implementation manners, in the above-mentioned fluorescence conversion component provided by the present disclosure, the fluorescent crystals in the plurality of fluorescent light guiding members are the same, and the fluorescence converted by the fluorescent crystals is yellow light; or,

所述第一荧光导光部件中的所述荧光晶体与所述第二荧光导光部件中的所述荧光晶体不相同；The fluorescent crystal in the first fluorescent light-guiding member is different from the fluorescent crystal in the second fluorescent light-guiding member;

所述第一荧光导光部件中的所述荧光晶体转换的荧光为黄色光；所述第二荧光导光部件中的所述荧光晶体转换的荧光为绿色光。The fluorescence converted by the fluorescent crystal in the first fluorescent light guide member is yellow light; the fluorescence converted by the fluorescent crystal in the second fluorescent light guide member is green light.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述第一膜层用于透射蓝色光并反射红色光，所述第二膜层用于透射红色光并反射蓝色光；所述第三膜层用于透射蓝色光并反射绿色光，所述第四膜层用于透射绿色光并反射蓝色光。In some possible implementation manners, in the above-mentioned fluorescence conversion component provided by the present disclosure, the first film layer is configured to transmit blue light and reflect red light, and the second film layer is configured to transmit red light and reflect blue light The third film layer is used to transmit blue light and reflect green light, and the fourth film layer is used to transmit green light and reflect blue light.

在一些可能的实现方式中，在本公开提供的上述荧光转换组件中，所述荧光导光部件沿平行于所述激光的入射方向的长度为1-20mm。In some possible implementation manners, in the above-mentioned fluorescence conversion component provided by the present disclosure, a length of the fluorescent light guide member in a direction parallel to an incident direction of the laser light is 1-20 mm.

第二方面，本公开提供一种激光光源装置，包括：激光阵列，位于所述激光阵列 出光侧的上述任一的荧光转换组件，以及位于所述荧光转换组件背离所述激光阵列一侧的匀光部件；According to a second aspect, the present disclosure provides a laser light source device including a laser array, a fluorescence conversion component on any one of the above-mentioned light emitting side of the laser array, and a uniform light source on a side of the fluorescence conversion component facing away from the laser array. Light component

所述荧光晶体面向所述激光阵列的表面为入射面，面向所述匀光部件的表面为出射面；A surface of the fluorescent crystal facing the laser array is an incident surface, and a surface facing the light uniforming member is an emission surface;

所述匀光部件用于接收所述荧光转换组件的出射光，并将所述出射光匀化传输。The light homogenizing component is configured to receive the emitted light of the fluorescence conversion component, and uniformly transmit the emitted light.

在一些可能的实现方式中，在本公开提供的上述激光光源装置中，所述荧光转换组件时序性转动，所述激光阵列的出射的激光经过所述荧光转换组件入射到所述匀光部件。In some possible implementation manners, in the above-mentioned laser light source device provided by the present disclosure, the fluorescence conversion component rotates in a time-series manner, and the laser light emitted by the laser array is incident on the uniform light component through the fluorescence conversion component.

在一些可能的实现方式中，在本公开提供的上述激光光源装置中，所述匀光部件为光导管，所述光导管沿垂直于激光的入射方向的截面尺寸大于所述荧光导光部件沿垂直于所述激光的入射方向的截面尺寸。In some possible implementation manners, in the above-mentioned laser light source device provided by the present disclosure, the light homogenizing member is a light pipe, and a cross-sectional dimension of the light pipe along a direction perpendicular to an incident direction of the laser light is larger than that of the fluorescent light guiding member A cross-sectional dimension perpendicular to an incident direction of the laser light.

在一些可能的实现方式中，在本公开提供的上述激光光源装置中，所述光导管与所述荧光导光部件间隔设定距离；或者，所述荧光导光部件中的部分位于所述光导管内部。In some possible implementation manners, in the above-mentioned laser light source device provided by the present disclosure, the light pipe is set at a distance from the fluorescent light guide member; or a part of the fluorescent light guide member is located in the light Inside the catheter.

在一些可能的实现方式中，在本公开提供的上述激光光源装置中，所述匀光部件为复眼透镜组，所述复眼透镜组与所述荧光导光部件间隔设定距离。In some possible implementation manners, in the above-mentioned laser light source device provided by the present disclosure, the light homogenizing member is a fly-eye lens group, and the fly-eye lens group is set at a distance from the fluorescent light guide member.

在一些可能的实现方式中，在本公开提供的上述激光光源装置中，所述激光阵列的出射光为蓝色光。In some possible implementation manners, in the above-mentioned laser light source device provided by the present disclosure, the light emitted from the laser array is blue light.

在一些可能的实现方式中，在本公开提供的上述激光光源装置中，所述激光阵列的出射光波段为420-470nm。In some possible implementation manners, in the above-mentioned laser light source device provided by the present disclosure, an output light band of the laser array is 420-470 nm.

在一些可能的实现方式中，在本公开提供的上述激光光源装置中，所述激光光源装置还包括：位于所述激光阵列与所述荧光转换组件之间的整形透镜组。In some possible implementation manners, in the above-mentioned laser light source device provided by the present disclosure, the laser light source device further includes: a shaping lens group located between the laser array and the fluorescence conversion component.

第三方面，本公开提供一种激光投影***，包括上述任一的激光光源装置，位于所述激光光源装置出光侧的光阀调制部件，以及位于所述光阀调制部件出光侧的投影镜头。According to a third aspect, the present disclosure provides a laser projection system including any one of the above-mentioned laser light source devices, a light valve modulation member located on a light exit side of the laser light source device, and a projection lens located on a light exit side of the light valve modulation member.

在一些可能的实现方式中，在本公开提供的上述激光投影***中，所述光阀调制部件为数字微镜芯片。In some possible implementation manners, in the above-mentioned laser projection system provided by the present disclosure, the light valve modulation component is a digital micromirror chip.

本公开有益效果如下：The beneficial effects of this disclosure are as follows:

本公开提供的荧光转换组件、激光光源装置及激光投影***，包括：荧光导光部件；荧光导光部件包括：荧光晶体，荧光晶体垂直于激光的入射方向的两个表面分别为入射面和出射面，除入射面和出射面以外的外表面具有反射膜层；荧光导光部件用于将接收的激光转换为设定波段的荧光，在反射膜层内部反射传输。本公开采用的荧光晶体为单结晶荧光材料，作为一种荧光晶体纯净物，可以耐受更高的温度，可以接收激光阵列出射的较高能量的激光而不会发生荧光转换效率下降的问题。激光在入射到单结晶荧光材料时具有较高的透过率，在激光的入射方向上激光几乎不会被散射，因此光损小，激光路径更加直接，可以有效提高荧光的激发效率。而在荧光晶体表面镀全波段反射膜，则可以实现激光所激发出的不同角度的荧光在部件内可以高效反射传输，同时具有一定的匀光作用。The fluorescence conversion assembly, laser light source device and laser projection system provided by the present disclosure include: a fluorescent light guide member; the fluorescent light guide member includes: a fluorescent crystal, and two surfaces of the fluorescent crystal perpendicular to the incident direction of the laser light are an incident surface and an emission surface, respectively. Surface, the outer surface except the incident surface and the exit surface has a reflective film layer; the fluorescent light guide member is used to convert the received laser light into a set wavelength of fluorescence, and reflect and transmit inside the reflective film layer. The fluorescent crystal used in the present disclosure is a single crystal fluorescent material. As a pure fluorescent crystal, it can withstand higher temperatures and can receive higher energy laser light emitted from the laser array without the problem of reduced fluorescence conversion efficiency. Laser light has a high transmittance when it is incident on a single crystal fluorescent material, and the laser light is hardly scattered in the incident direction of the laser light, so the light loss is small, the laser path is more direct, and the excitation efficiency of fluorescence can be effectively improved. By coating a full-wave reflection film on the surface of the fluorescent crystal, it is possible to realize the reflection and transmission of the fluorescence of different angles excited by the laser in the component, and at the same time it has a certain uniformity of light.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

图1为本公开一些实施例提供的荧光导光部件的侧视结构示意图；1 is a schematic structural side view of a fluorescent light guide member provided by some embodiments of the present disclosure;

图2为图1所示的实施例提供的荧光导光部件的截面结构示意图；2 is a schematic cross-sectional structure diagram of a fluorescent light guide member provided in the embodiment shown in FIG. 1;

图3为本公开一些实施例提供的荧光转换组件的侧视结构示意图；3 is a schematic side structural view of a fluorescence conversion component provided by some embodiments of the present disclosure;

图4为图3所示的实施例提供的荧光转换组件的正视结构示意图；4 is a schematic structural diagram of a front view of a fluorescence conversion component provided by the embodiment shown in FIG. 3;

图5为本公开另一些实施例提供的荧光转换组件的正视结构示意图；FIG. 5 is a schematic structural diagram of a front view of a fluorescence conversion component according to another embodiment of the present disclosure; FIG.

图6为图5所示的实施例提供的荧光转换组件的第一荧光导光部件的侧视结构示意图；FIG. 6 is a schematic structural side view of a first fluorescent light guide member of the fluorescence conversion component according to the embodiment shown in FIG. 5; FIG.

图7为图5所示的实施例提供的荧光转换组件的第二荧光导光部件的侧视结构示意图；FIG. 7 is a schematic side structural view of a second fluorescent light guiding component of the fluorescent conversion component provided in the embodiment shown in FIG. 5; FIG.

图8为本公开另一些实施例提供的荧光转换组件的结构示意图；8 is a schematic structural diagram of a fluorescence conversion component according to another embodiment of the present disclosure;

图9为本公开又一些实施例提供的荧光转换组件的结构示意图；9 is a schematic structural diagram of a fluorescence conversion component according to some embodiments of the present disclosure;

图10为本公开一些实施例提供的激光光源装置的结构示意图；10 is a schematic structural diagram of a laser light source device according to some embodiments of the present disclosure;

图11为本公开另一些实施例提供的激光光源装置的结构示意图；11 is a schematic structural diagram of a laser light source device according to another embodiment of the present disclosure;

图12为本公开另一些实施例提供的激光光源装置的结构示意图；12 is a schematic structural diagram of a laser light source device according to another embodiment of the present disclosure;

图13为本公开另一些实施例提供的激光光源装置的结构示意图；13 is a schematic structural diagram of a laser light source device according to another embodiment of the present disclosure;

图14为本公开另一些实施例提供的激光光源装置的结构示意图；14 is a schematic structural diagram of a laser light source device according to another embodiment of the present disclosure;

图15为本公开另一些实施例提供的激光光源装置的结构示意图；15 is a schematic structural diagram of a laser light source device according to another embodiment of the present disclosure;

图16为本公开又一些实施例提供的激光光源装置的结构示意图；16 is a schematic structural diagram of a laser light source device according to some embodiments of the present disclosure;

图17为本公开一些实施例提供的激光投影***的结构示意图；以及FIG. 17 is a schematic structural diagram of a laser projection system provided by some embodiments of the present disclosure; and

图18为本公开另一些实施例提供的激光投影***的结构示意图。FIG. 18 is a schematic structural diagram of a laser projection system according to another embodiment of the present disclosure.

具体实施方式detailed description

本公开实施例提供了一种荧光转换组件、激光光源装置及激光投影***，用以提高荧光转换效率，使得激光光源装置及激光投影***的高能高效输出。Embodiments of the present disclosure provide a fluorescence conversion component, a laser light source device, and a laser projection system, which are used to improve the fluorescence conversion efficiency, so that the laser light source device and the laser projection system have high energy and high efficiency.

为了使本公开的目的、技术方案和优点更加清楚，下面将结合附图对本公开作进一步地详细描述，显然，所描述的实施例仅仅是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本公开保护的范围。In order to make the objectives, technical solutions, and advantages of the present disclosure more clear, the present disclosure will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by a person having ordinary skill in the art without making creative efforts fall within the protection scope of the present disclosure.

在现有的激光光源装置中，由于受到光学***设计的限制，荧光转换部件的尺寸不能过大；如果采用荧光轮的形式则驱动旋转速度因为马达转速和承重限制，不能无限提高；为实现较小的光学拓展量以及更高的光学***效率，荧光粉层厚度也受到了一定限制，当荧光粉层超过一定厚度时，深层荧光材料无法被激发到，从而降低激发效率；与此同时，照射在荧光粉层表面的激光光斑面积也受到严格控制。并且，在激光光源装置中，高能量密度的激光束在照射荧光粉层时单位时间内产生了大量的热量，虽然荧光粉本身能够承受的激光能量较高，但因为荧光粉不能直接荧光转换部件中，需要混合一定的载体将荧光粉固定在基板上，现有普遍的载体为硅胶、玻璃以及陶瓷，虽然耐温性能各有差异，但受制于组装工艺限制，耐温特性仍然不能超过200℃的高 温瓶颈。即使荧光转换部件的耐高温性能够提高，因荧光粉层厚度的限制，当激光功率超过一定功率密度后，在单位面积荧光粉层激发效率受限，导致其发光能力是受到限制，使得激光光源装置的发光效率较低。In the existing laser light source device, due to the limitation of the optical system design, the size of the fluorescence conversion component cannot be too large; if the form of a fluorescent wheel is used, the driving rotation speed cannot be infinitely increased due to the limitation of the motor speed and load; With a small amount of optical expansion and higher efficiency of the optical system, the thickness of the phosphor layer is also limited to a certain extent. When the phosphor layer exceeds a certain thickness, deep phosphor materials cannot be excited, thereby reducing the excitation efficiency; at the same time, irradiation The area of the laser spot on the surface of the phosphor layer is also strictly controlled. In addition, in a laser light source device, a high-energy-density laser beam generates a large amount of heat per unit time when irradiating a phosphor layer. Although the phosphor itself can withstand high laser energy, the phosphor cannot directly fluorescently convert components. In order to fix the phosphor on the substrate, a certain carrier needs to be mixed. The current common carriers are silica gel, glass, and ceramic. Although the temperature resistance varies, it is limited by the assembly process and the temperature resistance cannot exceed 200 ° C. High temperature bottleneck. Even if the high temperature resistance of the fluorescence conversion part can be improved, due to the limitation of the thickness of the phosphor layer, when the laser power exceeds a certain power density, the excitation efficiency of the phosphor layer per unit area is limited, resulting in its light emitting capacity being limited, making the laser light source The luminous efficiency of the device is low.

为了提高荧光转换效率，使得激光光源装置及激光投影***的高能高效输出，本公开提供了一种荧光转换组件、激光光源装置及激光投影***。In order to improve the fluorescence conversion efficiency and enable the high-energy and high-efficiency output of the laser light source device and the laser projection system, the present disclosure provides a fluorescence conversion component, a laser light source device, and a laser projection system.

下面结合附图详细介绍本公开具体实施例提供的荧光转换组件、激光光源装置及激光投影***。The following describes in detail a fluorescence conversion component, a laser light source device, and a laser projection system provided by specific embodiments of the present disclosure with reference to the drawings.

一方面，本公开提供一种荧光转换组件，包括：荧光导光部件；In one aspect, the present disclosure provides a fluorescence conversion assembly including: a fluorescent light guide member;

荧光导光部件中的每个包括：荧光晶体，所述荧光晶体垂直于激光的入射方向的两个表面分别为入射面和出射面，除所述入射面和所述出射面以外的外表面具有反射膜层；Each of the fluorescent light guide members includes a fluorescent crystal, and two surfaces of the fluorescent crystal perpendicular to the incident direction of the laser light are an incident surface and an exit surface, respectively, and an outer surface other than the incident surface and the exit surface has Reflective film

荧光导光部件用于将接收的所述激光转换为设定波段的荧光，在所述反射膜层内部反射传输。The fluorescent light-guiding component is configured to convert the received laser light into fluorescence in a set wavelength band, and reflect and transmit the reflected light inside the reflective film layer.

图1为本公开一些实施例提供的荧光导光部件的侧视结构示意图，图2为图1所示的实施例提供的荧光导光部件的截面结构示意图。如图1和2所示，荧光导光部件12包括：荧光晶体121，荧光晶体垂直于激光的入射方向的两个表面(例如，图1中荧光晶体的左端面和右端面)分别为入射面和出射光，除入射面和出射面以外的外表面具有反射膜层122；荧光导光部件12，用于将接收的激光转换为设定波段的荧光，在反射膜层内部反射传输。FIG. 1 is a schematic side structural view of a fluorescent light guide member provided by some embodiments of the present disclosure, and FIG. 2 is a schematic cross-sectional structure view of a fluorescent light guide member provided by the embodiment shown in FIG. 1. As shown in FIGS. 1 and 2, the fluorescent light guiding member 12 includes a fluorescent crystal 121, and two surfaces of the fluorescent crystal perpendicular to the incident direction of the laser light (for example, the left and right end surfaces of the fluorescent crystal in FIG. 1) are the incident surfaces, respectively. And the outgoing light, the outer surface other than the incident surface and the outgoing surface has a reflective film layer 122; the fluorescent light guide member 12 is configured to convert the received laser light into fluorescence of a set wavelength band, and reflect and transmit inside the reflective film layer.

以图1和图2所示的荧光导光部件为例，本公开的这些实施例提供的荧光导光部件12可为四棱柱体结构，其垂直于激光的入射方向的两个端面为图2所示的长方形，如图1所示，荧光晶体121的左端面可为激光的入射面，右端面可为荧光的出射面，除入射面以及出射面以外的表面涂覆一层反射膜层122。在一些实施例中，该反射膜可为全波段反射膜层，采用镀膜工艺形成于荧光晶体的外表面。荧光晶体121为一种新型的单结晶荧光材料，当激光照射到荧光晶体时，荧光晶体受激转换出设定波段的荧光，且该单结晶荧光材料本身具有一定的透过率，设定波段内的荧光以及未被转化的激光均能够通过荧光晶体向外出射。该单结晶荧光材料为一种纯净物，能够耐受较高温度，因此可以接收激光阵列出射的较高能量的激光而不会发生荧光转换效率下降的问题。并且，相比于现有技术中所采用的荧光粉材料，荧光粉无法固定于基质之上，需要与胶体或无机材料混合形成混合物固定于基质之上，激光在入射该荧光粉混合物之后激光在多种介质中发生折射，在激光到达荧光颗粒处时激发荧光颗粒转化荧光，那么激光在混合物中的透过率降低，且在多种介质中折射也将损失一部分能量，因此对荧光的激发效率低，且激光的利用效率也被降低。而本公开的实施例，例如图1和2所示的实施例，直接采用单结晶荧光材料这一纯净物用于荧光转换，激光在入射到单结晶荧光材料时具有较高的透过率，在激光的入射方向上激光几乎不会被散射，因此光损小，激光路径更加直接，可以有效提高荧光的激发效率。而在荧光晶体表面镀全波段反射膜，则可以实现激光所激发出的不同角度的荧光在部件内可以高效反射传输，同时具有一定的匀光作用。Taking the fluorescent light guide member shown in FIG. 1 and FIG. 2 as an example, the fluorescent light guide member 12 provided by the embodiments of the present disclosure may have a quadrangular prism structure, and two end faces perpendicular to the incident direction of the laser light are shown in FIG. 2. As shown in FIG. 1, as shown in FIG. 1, the left end surface of the fluorescent crystal 121 may be the incident surface of the laser light, and the right end surface may be the emission surface of the fluorescence. A surface other than the incidence surface and the emission surface is coated with a reflective film layer 122. . In some embodiments, the reflective film may be a full-band reflective film layer formed on the outer surface of the fluorescent crystal by a coating process. Fluorescent crystal 121 is a new type of single crystal fluorescent material. When laser light is irradiated to the fluorescent crystal, the fluorescent crystal is excited to convert fluorescence in a set wavelength band, and the single crystal fluorescent material itself has a certain transmittance and a set wavelength band. Both internal fluorescence and unconverted laser light can be emitted outward through the fluorescent crystal. The single crystal fluorescent material is a pure substance and can withstand higher temperatures, so it can receive higher energy laser light emitted by the laser array without the problem of reduced fluorescence conversion efficiency. In addition, compared with the phosphor material used in the prior art, the phosphor cannot be fixed on the substrate, and it needs to be mixed with a colloid or an inorganic material to form a mixture and fixed on the substrate. Refraction occurs in a variety of media. When the laser light reaches the fluorescent particles, the fluorescent particles are excited to convert fluorescence. Then the transmittance of the laser in the mixture is reduced, and refraction in a variety of media will also lose some energy. Therefore, the excitation efficiency of fluorescence Low, and the utilization efficiency of the laser is also reduced. However, the embodiments of the present disclosure, such as those shown in FIGS. 1 and 2, directly use a pure substance such as a single crystal fluorescent material for fluorescence conversion. The laser light has a high transmittance when incident on the single crystal fluorescent material. The laser is hardly scattered in the incident direction of the laser, so the light loss is small and the laser path is more direct, which can effectively improve the fluorescence excitation efficiency. By coating a full-wave reflection film on the surface of the fluorescent crystal, it is possible to realize the reflection and transmission of the fluorescence of different angles excited by the laser in the component, and at the same time it has a certain uniformity of light.

图3为本公开一些实施例提供的荧光转换组件的侧视结构示意图。如图3所示， 本公开的这些实施例提供的荧光转换组件100，包括：圆形基板11，固定于圆形基板11中心的驱动转轴13，以及多个图1和2所示的实施例提供的荧光导光部件12，该多个荧光导光部件12固定于圆形基板11的圆周边缘。荧光转换组件100沿垂直于入射激光的方向的截面结构如图4所示，荧光导光部件12固定于圆形基板11的圆周边缘，在实际应用中，圆形基板11的圆周边缘可带有多个用于固定荧光导光部件的卡槽，荧光导光部件12***到卡槽中可进行固定，驱动转换可以带动圆形基板11旋转，从而使各荧光导光部件12随之旋转运动。FIG. 3 is a schematic side structural view of a fluorescence conversion component provided by some embodiments of the present disclosure. As shown in FIG. 3, the fluorescence conversion assembly 100 provided by the embodiments of the present disclosure includes a circular substrate 11, a driving shaft 13 fixed at the center of the circular substrate 11, and a plurality of embodiments shown in FIGS. 1 and 2. A fluorescent light guide member 12 is provided, and the plurality of fluorescent light guide members 12 are fixed to a peripheral edge of the circular substrate 11. The cross-sectional structure of the fluorescence conversion module 100 along the direction perpendicular to the incident laser light is shown in FIG. 4. The fluorescent light guide member 12 is fixed to the peripheral edge of the circular substrate 11. In practical applications, the peripheral edge of the circular substrate 11 may be provided with A plurality of clamping grooves for fixing the fluorescent light guide member, the fluorescent light guide member 12 can be fixed by being inserted into the card groove, and the driving conversion can drive the circular substrate 11 to rotate, so that each fluorescent light guide member 12 rotates accordingly.

荧光转换组件中的荧光转换均采用荧光导光部件，提高荧光转换效率；在激光光源装置以及激光投影***中采用这样的荧光转换组件，则使得激光光源装置及激光投影***的高能高效输出。The fluorescence conversion components in the fluorescence conversion components all use fluorescent light guiding components to improve the fluorescence conversion efficiency. The use of such a fluorescence conversion component in a laser light source device and a laser projection system enables a high energy and efficient output of the laser light source device and the laser projection system.

图4为图3所示的实施例提供的荧光转换组件的正视结构示意图。如图4所示，本公开的这些实施例提供的上述荧光转换组件100可分为荧光扇区XX和透射扇区YY，各荧光导光部件12均设置于荧光扇区XX内；那么在透射扇区，荧光转换组件100还包括：固定于圆形基板11的圆周边缘的多个透射导光部件14，透射导光部件14用于透射入射激光；各透射导光部件14均设置于透射扇区YY内。在实际应用中，激光光源装置需要应用于激光投影***，激光投影***可为全彩投影显示***，需要激光光源时序性地输出不同颜色的光，这些不同颜色的光可作为显示的基色光，经过调制部件的调制作用，最终投射到屏幕时可以显示出色彩丰富的图像。激光光源持续照射荧光转换组件，与此同时荧光转换组件以设定的时序进行转动，在一些时序激发照射在荧光导光部件12上，高效转换出设定波段的荧光出，在另一些时序激光照射在透射导光部件14上，直接透射传输，由此可以提供激光波段以及设定荧光波段的不同颜色的光线。FIG. 4 is a schematic structural diagram of a front view of a fluorescence conversion component according to the embodiment shown in FIG. 3. As shown in FIG. 4, the above-mentioned fluorescence conversion components 100 provided by the embodiments of the present disclosure can be divided into a fluorescence sector XX and a transmission sector YY, and each fluorescent light guide member 12 is disposed in the fluorescence sector XX; In the sector, the fluorescence conversion assembly 100 further includes: a plurality of transmission light guide members 14 fixed to the peripheral edge of the circular substrate 11, and the transmission light guide members 14 are used to transmit incident laser light; each transmission light guide member 14 is disposed on a transmission fan. Within area YY. In practical applications, the laser light source device needs to be applied to a laser projection system. The laser projection system can be a full-color projection display system. The laser light source is required to output light of different colors in a time sequence. These different colors of light can be used as the primary color of the display. After modulation by the modulation component, a colorful image can be displayed when finally projected onto the screen. The laser light source continuously irradiates the fluorescence conversion component, and at the same time, the fluorescence conversion component rotates at a set timing. At some timing, it is excited and irradiated on the fluorescent light guide 12 to efficiently convert the fluorescence of the set wavelength band. At other timings, the laser The light is irradiated on the transmissive light guide member 14 and transmitted directly, thereby providing different colors of light in the laser band and the fluorescent band.

进一步地，图5为本公开另一些实施例提供的荧光转换组件的正视结构示意图。需要指出的是，本公开这些实施例提供的荧光转换组件的侧视结构示意图与图3和4所示的实施例提供的荧光转换组件的侧视结构示意图相同，此处不再赘述。如图5所示，在本公开的而这些实施例提供的上述荧光转换组件中，在图3和4所示的实施例提供的荧光转换组件的基础上，荧光扇区XX至少包括用于出射不同波段荧光的第一荧光扇区XXa和第二荧光扇区XXb；第一荧光扇区XXa内的荧光导光部件为第一荧光导光部件12a，第二荧光扇区XXb内的荧光导光部件为第二荧光导光部件12b。其中，第一荧光导光部件12a的侧视结构示意图如图6所示，第二荧光导光部件12b的侧视结构示意图如图7所示。如图6所示，在第一荧光导光部件12a中，荧光晶体121的入射面设置有用于透射激光反射第一波段荧光的第一膜层123，荧光晶体121的出射面设置有用于透射第一波段荧光反射激光的第二膜层124；如图7所示，在第二荧光导光部件12b中，荧光晶体121的入射面设置有用于透射激光反射第二波段荧光的第三膜层125，荧光晶体121的出射面设置有用于透射第二波段荧光反射激光的第四膜层126。Further, FIG. 5 is a schematic front view structure diagram of a fluorescence conversion component provided by some other embodiments of the present disclosure. It should be noted that the schematic diagrams of the side-view structures of the fluorescence conversion components provided by the embodiments of the present disclosure are the same as the schematic diagrams of the side-view structures of the fluorescence conversion components provided by the embodiments shown in FIG. 3 and FIG. As shown in FIG. 5, among the above-mentioned fluorescence conversion components provided by the embodiments of the present disclosure, based on the fluorescence conversion components provided by the embodiments shown in FIGS. 3 and 4, the fluorescence sector XX includes at least for emission The first fluorescent sector XXa and the second fluorescent sector XXb with different wavelength bands of fluorescence; the fluorescent light guide member in the first fluorescent sector XXa is the first fluorescent light guide member 12a, and the fluorescent light guide in the second fluorescent sector XXb The component is a second fluorescent light guide component 12b. The schematic diagram of the side structure of the first fluorescent light guide member 12a is shown in FIG. 6, and the schematic diagram of the side structure of the second fluorescent light guide member 12b is shown in FIG. 7. As shown in FIG. 6, in the first fluorescent light-guiding member 12 a, the incident surface of the fluorescent crystal 121 is provided with a first film layer 123 for transmitting laser light to reflect the first-band fluorescence, and the outgoing surface of the fluorescent crystal 121 is provided for transmitting the first A second film layer 124 for one-band fluorescence reflecting laser light; as shown in FIG. 7, in the second fluorescent light guide part 12 b, the incident surface of the fluorescent crystal 121 is provided with a third film layer 125 for transmitting laser light to reflect the second-band fluorescence. An emitting surface of the fluorescent crystal 121 is provided with a fourth film layer 126 for transmitting a fluorescent reflected laser light in a second wavelength band.

在实际应用中，第一荧光导光部件12a与第二荧光导光部件在入射面以及出射面镀膜原理相同，以下以第一荧光导光部件12a的镀膜原理进行说明。首先在荧光晶体的入射面设置用于透射激光反射第一波段荧光的第一膜层123，只允许激光的入射， 激光充分入射到荧光晶体内部可以激发出设定波段的荧光，而第一波段属于该设定波段，被转换出的荧光经过入射面的第一膜层的作用，可将第一波段的荧光向出射面进行反射，有利于第一波段荧光的出射；而在荧光晶体的出射面设置用于透射第一波段荧光反射激光的第二膜层124，只允许第一波段荧光的透射，阻止激光的出射，使激光又反射回荧光晶体内部，使得激光可以再次作用于荧光晶体，转化更多的荧光，同时使得由第一荧光导光部件12a出射的荧光仅为第一波段的荧光。由于激光可以在荧光晶体内部往返运动，因此可以缩小荧光晶体的长度，采用长度较小的荧光晶体就可以达到高能量荧光输出，提高了荧光转换效率，也有利于进一步减小荧光转换***的体积。第二荧光导光部件12b的镀膜工作原理与第一荧光导光部件12a相同，此处不再赘述。与此同时，采用镀膜的方式还可以对荧光晶体所转化的荧光进行滤色，那么在将荧光转换组件应用于激光投影***时，随着荧光转换组件的转动则可以时序性地输出不同颜色的光线，则不再需要为荧光转换组件配套设置滤色轮，实现转换荧光与滤光的一体化设计，有利于简化投影***结构，减小投影***体积。In practical applications, the principle of coating the first fluorescent light guide member 12a and the second fluorescent light guide member on the incident surface and the exit surface is the same. The following describes the coating principle of the first fluorescent light guide member 12a. Firstly, a first film layer 123 for transmitting laser light to reflect first-wavelength fluorescence is provided on the incident surface of the fluorescent crystal, and only the incident of the laser is allowed. The sufficient incident laser light inside the fluorescent crystal can excite a set-wavelength fluorescence, and the first wavelength band Belonging to this set band, the converted fluorescence passes through the first film layer of the incident surface, which can reflect the fluorescence of the first band to the exit surface, which is beneficial to the emission of the first band of fluorescence; and the emission of the fluorescent crystal A second film layer 124 for transmitting the first-band fluorescence reflection laser is provided on the surface, allowing only the transmission of the first-band fluorescence, preventing the emission of the laser, and reflecting the laser back to the inside of the fluorescent crystal, so that the laser can act on the fluorescent crystal again. More fluorescence is converted, and at the same time, the fluorescence emitted from the first fluorescent light guide 12a is only the fluorescence of the first wavelength band. Since the laser can move back and forth within the fluorescent crystal, the length of the fluorescent crystal can be reduced, and a high-energy fluorescent output can be achieved by using a fluorescent crystal with a smaller length, which improves the fluorescence conversion efficiency and also helps to further reduce the size of the fluorescence conversion system. . The working principle of the coating of the second fluorescent light guide member 12b is the same as that of the first fluorescent light guide member 12a, and details are not described herein again. At the same time, the coating can also be used to filter the fluorescence converted by the fluorescent crystal. When the fluorescence conversion component is applied to a laser projection system, different colors can be output in time with the rotation of the fluorescence conversion component. For light, it is no longer necessary to provide a color filter wheel for the fluorescence conversion component to realize an integrated design for converting fluorescence and filtering, which is conducive to simplifying the structure of the projection system and reducing the volume of the projection system.

在一些实施例中，本公开实施例提供的上述激光光源装置中，激光阵列的出射光可为蓝色光，除此之外，还可采用紫色光以及紫外光等作为激光，此处不做限定。例如，在采用蓝色光作为激光时，激光阵列的出射光波段可为420-470nm。In some embodiments, in the above-mentioned laser light source device provided by the embodiment of the present disclosure, the emitted light of the laser array may be blue light, in addition, purple light, ultraviolet light, etc. may be used as the laser light, which is not limited herein. . For example, when blue light is used as the laser, the output light band of the laser array may be 420-470 nm.

进一步地，在上述第一荧光扇区XXa与第二荧光扇区XXb内各荧光导光部件中的荧光晶体可采用同一种单结晶荧光材料进行制作，例如，在采用蓝色光为激光时，荧光晶体为可YAG荧光晶体，该荧光晶体为黄色结晶体，在接收420-470nm的蓝光照射后可以受激发射500-670nm的黄色光。采用同一种荧光晶体材料制作上荧光导光部件同时配合在荧光晶体入光面以及出光面的镀膜就可以实现不同颜色荧光的出射，既有利于出射不同颜色的高纯度的荧光，在制作过程中也只需要生成一种荧光晶体材料即可，可以简化工艺难度。在实际应用中，在第一荧光导光部件12a中的荧光晶体的入射面设置的第一膜层123可用于透射蓝色光反射红色光，在其出射面设置的第二膜层124可用于透射红色光反射蓝色光；在第二荧光导光部件12b中的荧光晶体的入射面设置的第三膜层125可用于透射蓝色光反射绿色光，在其出射设置的第四膜层126可用于透射绿色光反射蓝色光。除此之外，上述的第一荧光导光部件也可以用于出射除红色以外的其它颜色的荧光，第二荧光导光部件同样可以用于出射除绿色以外的其它颜色的荧光部件，此时，需要合理选择荧光晶体的材料，并配合入射面和出射面的镀膜，其工作原理与上述原理相同，此处不再赘述，在一些实施例中可根据实际需要进行设置，在此不做限定。Further, the fluorescent crystal in each of the fluorescent light guide members in the first fluorescent sector XXa and the second fluorescent sector XXb may be made of the same single crystal fluorescent material. For example, when blue light is used as a laser, the fluorescent light The crystal is a YAG-fluorescent crystal. The fluorescent crystal is a yellow crystal. After receiving blue light of 420-470 nm, it can emit 500-670 nm of yellow light when stimulated. The same fluorescent crystal material is used to make the upper fluorescent light-guiding component and the coating on the light-emitting surface and the light-emitting surface of the fluorescent crystal can realize the emission of different colors of fluorescence, which is conducive to emitting high-purity fluorescence of different colors. During the production process It is only necessary to generate a fluorescent crystal material, which can simplify the process difficulty. In practical applications, the first film layer 123 provided on the incident surface of the fluorescent crystal in the first fluorescent light guide member 12a can be used to transmit blue light to reflect red light, and the second film layer 124 provided on the exit surface thereof can be used to transmit The red light reflects the blue light; the third film layer 125 provided on the incident surface of the fluorescent crystal in the second fluorescent light guide member 12b can be used to transmit blue light to reflect the green light, and the fourth film layer 126 provided therefrom can be used for transmission Green light reflects blue light. In addition, the above-mentioned first fluorescent light-guiding member can also be used to emit fluorescence of a color other than red, and the second fluorescent light-guiding member can also be used to emit fluorescent members of a color other than green. It is necessary to reasonably select the material of the fluorescent crystal, and cooperate with the coating of the incident surface and the outgoing surface. The working principle is the same as the above principle, which is not repeated here. In some embodiments, it can be set according to actual needs, and is not limited here. .

在另一些实施例中，上述第一荧光导光部件12a以及第二荧光导光部件12b中的荧光晶体还可以采用不同材料的荧光晶体；例如，第一荧光导光部件12a中的荧光晶体在接受蓝色激光的照射后转换的荧光可为黄色光；第二荧光导光部件12b中的荧光晶体在接受蓝色激光的照射后转换的荧光为绿色光。在实际应用中，受激发射绿色荧光的荧光晶体可为绿色荧光晶体，受激发射黄色荧光的荧光晶体可以黄色荧光晶体，同时在黄色荧光晶体的入光面设置第一膜层可用于透射蓝色光反射红色光，在黄色荧光晶体的出射面设置的第二膜层可用于透射红色光反射蓝色光；在绿色荧光晶体的入射面设置的第三膜层可用于透射蓝色光反射绿色光，在绿色荧光晶体的出射面设置的 第四膜层可用于透射绿色光反射蓝色光。其中，黄色荧光波段为500-670nm，绿色荧光波段为500-580nm，红色荧光波段为580-670nm。相比于采用同一种荧光晶体材料实现绿色和红色荧光出射的实施方式，采用绿色荧光晶体出射绿色荧光具有更高的荧光使用效率。这是因为采用同一种荧光材料产生绿色光和红色光时，这种荧光材料所转换出的荧光的波长范围必须要覆盖红光和绿光的波长范围，而实际只需要其中的绿色光或者红色光，那么在需要出射绿色光时，转换出的红色光则被出射面的镀膜滤掉；在需要出射红色光时，转换出的绿色光则被出射面的镀膜滤掉，那么转换出的荧光只有一小部分可以出射，其它的荧光均没有被使用，荧光的使用效率较低，出射的荧光能量也不高。而如果采用绿色荧光晶体转换绿色光，则绝大部分的转换荧光均可以透过出射面的膜层，荧光的使用效率更高，出射的荧光能量也更高。在目前的工艺手段下生产出的红色荧光晶体材料并不成熟，仍需要采用黄色荧光晶体配合镀膜的方式形成红色荧光；但是随着工艺手段的不断进步，在制作出稳定的红色荧光晶体时，上述的第一荧光晶体可直接采用红色荧光晶体，以达到更高的荧光使用效率，本公开实施例在此不做限定。In other embodiments, the fluorescent crystals in the first fluorescent light guiding member 12a and the second fluorescent light guiding member 12b may also use fluorescent crystals of different materials; for example, the fluorescent crystals in the first fluorescent light guiding member 12a are The fluorescence converted after being irradiated by the blue laser light may be yellow light; the fluorescence converted by the fluorescent crystal in the second fluorescent light guiding member 12b is green light after being irradiated by the blue laser light. In practical applications, the stimulated green fluorescent crystal can be a green fluorescent crystal, and the stimulated yellow fluorescent crystal can be a yellow fluorescent crystal. At the same time, a first film layer can be provided on the light incident surface of the yellow fluorescent crystal to transmit blue crystals. The colored light reflects red light, and the second film layer provided on the exit surface of the yellow fluorescent crystal can be used to transmit red light to reflect the blue light; the third film layer provided on the incident surface of the green fluorescent crystal can be used to transmit blue light to reflect the green light. The fourth film layer provided on the emission surface of the green fluorescent crystal can be used to transmit green light and reflect blue light. Among them, the yellow fluorescent band is 500-670nm, the green fluorescent band is 500-580nm, and the red fluorescent band is 580-670nm. Compared with the embodiment in which the same fluorescent crystal material is used to achieve green and red fluorescence emission, the green fluorescence emission from the green fluorescence crystal has a higher fluorescence use efficiency. This is because when the same fluorescent material is used to generate green light and red light, the wavelength range of the fluorescence converted by this fluorescent material must cover the wavelength range of red and green light, and only green or red light is actually needed. Light, when the green light needs to be emitted, the converted red light is filtered by the coating on the exit surface; when red light is needed, the converted green light is filtered by the coating on the output surface, then the converted fluorescence Only a small part can be emitted, no other fluorescence is used, the use efficiency of the fluorescence is low, and the emitted fluorescent energy is not high. If green fluorescent crystals are used to convert green light, most of the converted fluorescence can pass through the film on the exit surface, and the use of fluorescence is more efficient, and the emitted fluorescent energy is also higher. The red fluorescent crystal material produced by the current process is immature, and the red fluorescence needs to be formed by using the yellow fluorescent crystal in combination with the coating; however, with the continuous progress of the process, when producing a stable red fluorescent crystal, The above-mentioned first fluorescent crystal may directly use a red fluorescent crystal to achieve higher fluorescence usage efficiency, which is not limited in the embodiment of the present disclosure.

无论采用上述哪种实施方式，荧光的转换光谱一般较宽，在实际应用中所使用的荧光波段只为其中的小范围波段，因此需要在荧光晶体的入射面设置增强反射设定波段的膜层，也需要在荧光晶体的出射面设置增强透射该设定波段的膜层，以使出射的荧光的半宽峰变窄，更适用于显示需求。在上述的举例中，如果激光采用蓝色光，则第一膜层可为用于透射蓝色光反射红色光，第二膜层可用于透射红色光反射蓝色光；第三膜层可用于透射蓝色光反射绿色光，第四膜层可用于透射绿色光反射蓝色光。Regardless of which of the above-mentioned embodiments is adopted, the fluorescence conversion spectrum is generally wide, and the fluorescent band used in practical applications is only a small range of the band. Therefore, a film layer of an enhanced reflection setting band needs to be provided on the incident surface of the fluorescent crystal It is also necessary to set a film layer on the emission surface of the fluorescent crystal to enhance transmission of the set wavelength band to narrow the half-width peak of the emitted fluorescence, which is more suitable for display requirements. In the above example, if the laser uses blue light, the first film layer can be used to transmit blue light to reflect red light, the second film layer can be used to transmit red light to reflect blue light; and the third film layer can be used to transmit blue light. Reflecting green light, the fourth film layer can be used to transmit green light and reflect blue light.

在设置荧光导光部件12的尺寸时，需要综合考虑光学***中波长转换以及光学透过率的需求，荧光导光部件12沿垂直于圆形基板11方向的透过率会随着设置长度的增大而降低，因此不能将荧光导光部件12的长度设置得过大；而如果将该长度设置的过小则无法满足波长转换的需求，转换的荧光能量低下。那么在本公开实施例中，考虑到实际应用时的波长转换需求，可将荧光导光部件12沿垂直于圆形基板方向的长度为1-20mm。而关于荧光导光部件12的截面尺寸，通常情况下可设置荧光导光部件12的截面尺寸大于入射的激光光斑尺寸，使得激光充分入射到荧光晶体内部，避免激光入射至荧光导光部件以外的区域，造成降低激光使用效率。When setting the size of the fluorescent light guide member 12, it is necessary to comprehensively consider the requirements of wavelength conversion and optical transmittance in the optical system. The transmittance of the fluorescent light guide member 12 in a direction perpendicular to the circular substrate 11 will vary with the setting length. If the length is increased and decreased, the length of the fluorescent light guide member 12 cannot be set too large; if the length is set too small, the wavelength conversion requirement cannot be met, and the converted fluorescent energy is low. Then, in the embodiment of the present disclosure, in consideration of a wavelength conversion requirement in practical applications, the length of the fluorescent light guide member 12 in a direction perpendicular to the circular substrate may be 1-20 mm. Regarding the cross-sectional size of the fluorescent light guide member 12, in general, the cross-sectional size of the fluorescent light guide member 12 can be set larger than the incident laser spot size, so that the laser light is sufficiently incident into the inside of the fluorescent crystal, and the laser light is prevented from being incident outside the fluorescent light guide member. Area, resulting in reduced laser use efficiency.

进一步地，图8为本公开另一些实施例提供的荧光转换组件的结构示意图。如图8所示，激光光源装置可包括多个图1和2所示的实施例提供的荧光导光部件12，除此之外，激光光源装置还包括：多个用于透射传输激光阵列出射激光的透射导光部件15；各荧光导光部件12与各透射导光部件15沿垂直于激光的入射方向交替排列成一列构成荧光转换组件T，该荧光转换组件沿列方向(如图8中双箭头所示方向)按照设定的时序往复运动。随着荧光转换组件的时序性运动，激光在一些时序可以入射至荧光导光部件12，从而由荧光晶体将激光转换为荧光出射，而在另一些时序激光入射至透射导光部件，直接透射出激光，由此可以时序性地得到荧光和激光至少两种波段的光。在一些实施例中，透射导光部件可为玻璃导光体，用于透射激光。Further, FIG. 8 is a schematic structural diagram of a fluorescence conversion component provided by other embodiments of the present disclosure. As shown in FIG. 8, the laser light source device may include a plurality of fluorescent light guide members 12 provided in the embodiments shown in FIGS. 1 and 2. In addition, the laser light source device may further include: Transmissive light-guiding members 15 of laser light; each fluorescent light-guiding member 12 and each light-transmitting light-guiding member 15 are alternately arranged in a row in a direction perpendicular to the incident direction of the laser light to form a fluorescence conversion component T, which is along the column direction (as shown in FIG. 8) The direction shown by the double arrows) reciprocates according to the set timing. With the sequential movement of the fluorescence conversion component, the laser light can be incident on the fluorescent light guide 12 at some timings, so that the laser is converted into fluorescence by the fluorescent crystal, and at other timings the laser light is incident on the transmission light guide and directly transmitted. With the laser light, light in at least two wavelength bands of fluorescence and laser light can be sequentially obtained. In some embodiments, the transmissive light guide member may be a glass light guide for transmitting laser light.

进一步地，图9为本公开又一些实施例提供的荧光转换组件的结构示意图。如图9所示，在图8所示的荧光转换组件的基础上，至少可将荧光导光部件12分为用于出 射第一波段荧光的第一荧光导光部件112a，以及用于出射第二波段荧光的第二荧光导光部件112b。图9所示的实施例提供的荧光转换组件的第一荧光导光部件112a和第二荧光导光部件112b的结构与图5-7所示的实施例提供的荧光转换组件的第一荧光导光部件12a和第二荧光导光部件12b的结构相同，此处不再赘述。其中，对第一荧光导光部件112a和第二荧光导光部件112b采用镀膜的方式可以对荧光晶体所转化的荧光进行滤色，从而在荧光转换组件在时序性运动时，可以时序性地输出不同颜色的光线，而不再需要单独设置滤色部件与荧光转换组件配合使用，实现转换荧光与滤光的一体化设计，有利于简化投影***结构，减小投影***体积。Further, FIG. 9 is a schematic structural diagram of a fluorescence conversion component provided by some embodiments of the present disclosure. As shown in FIG. 9, on the basis of the fluorescence conversion module shown in FIG. 8, at least the fluorescent light guiding member 12 can be divided into a first fluorescent light guiding member 112 a for emitting a first-band fluorescence, and a first fluorescent light guiding member 112 a A second fluorescent light guide member 112b for two-band fluorescence. The structure of the first fluorescent light guide member 112a and the second fluorescent light guide member 112b of the fluorescence conversion module provided in the embodiment shown in FIG. 9 is the same as the first fluorescence guide of the fluorescence conversion module provided in the embodiment shown in FIGS. 5-7. The structures of the optical component 12a and the second fluorescent light-guiding component 12b are the same, and are not repeated here. Among them, coating the first fluorescent light guide member 112a and the second fluorescent light guide member 112b with a coating method can filter the fluorescence converted by the fluorescent crystal, so that when the fluorescence conversion component moves in a time series, it can output time series. Different colors of light, without the need to separately set up color filter components to use with the fluorescence conversion component, to achieve the integrated design of fluorescence conversion and filtering, which is conducive to simplifying the structure of the projection system and reducing the size of the projection system.

另一方面，本公开实施例还提供了一种激光光源装置。On the other hand, an embodiment of the present disclosure also provides a laser light source device.

图10为本公开一些实施例提供的激光光源装置的结构示意图。如图10所示，本公开的这些实施例提供的激光光源装置，包括：激光阵列200，位于激光阵列200出光侧的荧光转换组件100，以及位于荧光转换组件100背离激光阵列200一侧的匀光部件300；该荧光转换组件可为图3-7所示的任一实施例提供的荧光转换组件，荧光转换组件中的荧光导光部件的荧光晶体面向激光阵列200的表面为入射面，面向匀光部件300的表面为出射面。荧光转换组件100时序性转动，激光阵列200的出射光经过荧光转换组件100入射到匀光部件300。FIG. 10 is a schematic structural diagram of a laser light source device according to some embodiments of the present disclosure. As shown in FIG. 10, the laser light source devices provided by the embodiments of the present disclosure include a laser array 200, a fluorescence conversion component 100 located on a light emitting side of the laser array 200, and a uniform light source located on a side of the fluorescence conversion component 100 facing away from the laser array 200. Light component 300; the fluorescence conversion component may be the fluorescence conversion component provided in any of the embodiments shown in Figs. 3-7, and the surface of the fluorescent crystal of the fluorescent light guide component in the fluorescence conversion component facing the laser array 200 is the incident surface and faces The surface of the light homogenizing member 300 is an emission surface. The fluorescence conversion component 100 rotates in a time series, and the light emitted from the laser array 200 is incident on the light uniformity component 300 through the fluorescence conversion component 100.

在实际应用中，如果将荧光导光部件12沿平行于激光的入射方向的长度设置的过大，则会使荧光晶体的透过率下降，不利于转化荧光的出射。因此考虑到波长转换和光学透过率的需求，不宜将荧光导光部件设置的长度过大，即使荧光导光部件具有一定的匀光作用，在实际应用中仍需要设置匀光部件300用于对出射荧光以及激光进行匀化传输。In practical applications, if the length of the fluorescent light guiding member 12 along the direction parallel to the incident direction of the laser light is set too large, the transmittance of the fluorescent crystal is reduced, which is not conducive to the emission of converted fluorescence. Therefore, considering the requirements of wavelength conversion and optical transmittance, it is not appropriate to set the length of the fluorescent light guide member too large. Even if the fluorescent light guide member has a certain light uniformity, it is still necessary to set the light uniformity member 300 for The emitted fluorescence and laser are homogenized and transmitted.

在一些实施例中，如图10所示，匀光部件可为光导管(在图10中采用编号300表示光导管)，光导管沿垂直于激光的入射方向的截面尺寸大于荧光导光部件12沿垂直于激光的入射方向的截面尺寸，且光导管与荧光导光部件12间隔设定距离。在一些实施例中，光导光为中空管状部件，在具体实施时需要将荧光导光部件12出射的光线尽可能地全部入射到光导管内部，这就需要对荧光导光部件12以及光导管的设置位置以及尺寸根据光学设计严格控制。其中，光导管的截面尺寸需要大于荧光导光部件的截面尺寸，光导管与荧光导光部件之间的距离也需要考虑到光导管与荧光导光部件截面尺寸之间的关系，尽可能地使荧光导光部件出射的最大角度的光线可以入射到光导管的内部，从而使得荧光导光部件的绝大部分出射光线均可入射到光导管进行有效地匀化传输。In some embodiments, as shown in FIG. 10, the light homogenizing member may be a light pipe (the light pipe is indicated by the number 300 in FIG. 10), and the cross-sectional dimension of the light pipe along the direction perpendicular to the incident direction of the laser light is larger than the fluorescent light guiding member 12 The cross-sectional dimension is perpendicular to the incident direction of the laser light, and the light pipe and the fluorescent light guide member 12 are set at a distance from each other. In some embodiments, the light guide light is a hollow tubular member. In specific implementation, it is necessary to make all the light emitted by the fluorescent light guide member 12 enter the light guide as much as possible. This requires the fluorescent light guide member 12 and the light guide member. The setting position and size are strictly controlled according to the optical design. Among them, the cross-sectional size of the light pipe needs to be larger than the cross-sectional size of the fluorescent light guide member, and the distance between the light pipe and the fluorescent light guide member also needs to consider the relationship between the cross-sectional size of the light pipe and the fluorescent light guide member, so as to make the The light of the maximum angle emitted by the fluorescent light guide member can be incident on the inside of the light pipe, so that most of the emitted light of the fluorescent light guide member can be incident on the light pipe for effective homogenization and transmission.

进一步地，如图11所示，其为本公开另一些实施例提供的激光光源装置的结构示意图，本公开的这些实施例提供的激光光源装置与图10所示的实施例提供的激光光源装置的不同之处在于，匀光部件还可以采用复眼透镜组400，复眼透镜组400与荧光导光部件12间隔设定距离。复眼透镜由阵列排布的微透镜构成，复眼透镜组应用于照明***可以获得高的光能利用率和大面积的均匀照明。一般情况下复眼透镜组包括两排复眼微透镜阵列，其中，沿光的入射方向第一排复眼微透镜阵列中的各微透镜单元的焦点与第二排复眼微透镜阵列中对应的微透镜单元的中心重合，此时，两排复眼微透镜阵列的光轴互相平行，在实际应用中，可以在第二排复眼微透镜阵列的光跟后方 设置聚光透镜，而在聚光透镜的焦平面上可以得到均匀照明。在本公开实施例中，可以根据光学***的需要，调节复眼透镜组的焦距，以及荧光导光部件与复眼透镜组之间的距离，以使出射光线可以满足光学***的特殊要求。Further, as shown in FIG. 11, it is a schematic structural diagram of a laser light source device provided by other embodiments of the present disclosure. The laser light source device provided by these embodiments of the present disclosure and the laser light source device provided by the embodiment shown in FIG. 10. The difference is that the light uniforming component can also adopt a fly-eye lens group 400, and the fly-eye lens group 400 is set at a distance from the fluorescent light guide member 12. The fly-eye lens is composed of micro lenses arranged in an array. The fly-eye lens group is applied to an illumination system to obtain a high light energy utilization rate and a large area of uniform illumination. In general, a fly-eye lens group includes two rows of fly-eye microlens arrays, in which the focal points of the microlens units in the first-row fly-eye microlens array and the corresponding micro-lens units in the second-row fly-eye microlens array are along the incident direction of light At the same time, the optical axes of the two rows of fly-eye microlens arrays are parallel to each other. In practical applications, a condenser lens can be provided behind the light of the second row of fly-eye microlens arrays, and at the focal plane of the condenser lenses. Can get even lighting. In the embodiments of the present disclosure, the focal length of the fly-eye lens group and the distance between the fluorescent light guide member and the fly-eye lens group can be adjusted according to the needs of the optical system, so that the emitted light can meet the special requirements of the optical system.

在实际应用中，如图12所示，其为本公开另一些实施例提供的激光光源装置的结构示意图，在图10所示的实施例提供的激光光源装置的基础上，图12所示的实施例提供的激光光源装置还包括：位于激光阵列200与荧光转换组件100之间的整形透镜组500。该整形透镜组500具有聚焦和准直的双重作用，可以调整激光阵列的出射光束，以使入射到荧光导光部件12上的激光光斑的尺寸符合实际需要，同时激光光斑具有较高的能量。In actual application, as shown in FIG. 12, it is a schematic structural diagram of a laser light source device provided by other embodiments of the present disclosure. Based on the laser light source device provided by the embodiment shown in FIG. 10, The laser light source device provided in the embodiment further includes a shaping lens group 500 located between the laser array 200 and the fluorescence conversion component 100. The shaping lens group 500 has the dual functions of focusing and collimating, and the output beam of the laser array can be adjusted so that the size of the laser spot incident on the fluorescent light guide member 12 conforms to actual needs, and the laser spot has a higher energy.

进一步地，图13为本公开另一些实施例提供的激光光源装置的结构示意图。如图13所示，本公开的这些实施例提供的激光光源装置，包括：激光阵列201，位于激光阵列201出光侧的荧光转换组件，以及位于荧光转换组件背离激光阵列201一侧的匀光部件301；该荧光转换组件包括一个荧光导光部件12，该荧光导光部件12可为图1和2所示的实施例提供的荧光导光部件，该荧光导光部件12的荧光晶体面向激光阵列201的表面为入射面，面向匀光部件301的表面为出射面。匀光部件301可以为光导管(在图13中采用编号301表示光导管)，光导管与荧光导光部件间隔设定距离。该光导管的结构和设计与图10所示的实施例提供的激光光源装置中的光导管相同，此处不再赘述。Further, FIG. 13 is a schematic structural diagram of a laser light source device according to another embodiment of the present disclosure. As shown in FIG. 13, the laser light source devices provided by the embodiments of the present disclosure include a laser array 201, a fluorescence conversion component located on a light emitting side of the laser array 201, and a light uniformizing component located on a side of the fluorescence conversion component facing away from the laser array 201. 301; the fluorescence conversion assembly includes a fluorescent light guide member 12, which may be a fluorescent light guide member provided in the embodiment shown in FIGS. 1 and 2, and a fluorescent crystal of the fluorescent light guide member 12 faces a laser array The surface of 201 is an incident surface, and the surface facing the light uniformizing member 301 is an exit surface. The light homogenizing member 301 may be a light pipe (the light pipe is represented by the number 301 in FIG. 13), and the light pipe is set at a distance from the fluorescent light guide member. The structure and design of the light pipe are the same as those of the light pipe in the laser light source device provided in the embodiment shown in FIG. 10, and details are not described herein again.

进一步地，图14为本公开另一些实施例提供的激光光源装置的结构示意图。如图14所示，本公开的这些实施例提供的激光光源装置与图13所示的实施例提供的激光光源装置的不同之处在于，部分荧光导光部件12位于导光管内部。如果将荧光导光部件12出射面设置于光导管的内部，则可以保证荧光导光部件12的出射光可以尽可能完全地入射到光导管的内部，有效提高光导管的收光效率，采用这样的设置方式还可以减小荧光导光部件以及匀光部件的占用体积，有利于激光光源装置的小型化。Further, FIG. 14 is a schematic structural diagram of a laser light source device provided by other embodiments of the present disclosure. As shown in FIG. 14, the laser light source device provided by these embodiments of the present disclosure is different from the laser light source device provided by the embodiment shown in FIG. 13 in that part of the fluorescent light guide member 12 is located inside the light guide tube. If the exit surface of the fluorescent light guide member 12 is provided inside the light pipe, it can be ensured that the light emitted by the fluorescent light guide member 12 can enter the light pipe as completely as possible, effectively improving the light collection efficiency of the light pipe. The setting method can also reduce the occupied volume of the fluorescent light guide member and the uniform light member, which is beneficial to the miniaturization of the laser light source device.

进一步地，图15为本公开另一些实施例提供的激光光源装置的结构示意图。如图15所示，本公开的这些实施例提供的激光光源装置与图13所示的实施例提供的激光光源装置的不同之处在于，匀光部件还可以采用复眼透镜组401，复眼透镜组401与荧光导光部件12间隔设定距离。复眼透镜组401的结构与图11所示的实施例提供的激光光源装置中的复眼透镜组400的结构相同，此处不再赘述。Further, FIG. 15 is a schematic structural diagram of a laser light source device according to another embodiment of the present disclosure. As shown in FIG. 15, the laser light source device provided by these embodiments of the present disclosure is different from the laser light source device provided by the embodiment shown in FIG. 13 in that the light homogenizing component may also adopt a fly-eye lens group 401 and a fly-eye lens group 401 is set at a distance from the fluorescent light guide member 12. The structure of the fly-eye lens group 401 is the same as the structure of the fly-eye lens group 400 in the laser light source device provided in the embodiment shown in FIG. 11, and details are not described herein again.

在实际应用中，如图16所示，其为本公开又一些实施例提供的激光光源装置的结构示意图，本公开的这些实施例提供的激光光源装置与图14所示的实施例提供的激光光源装置的不同之处在于，本公开的这些实施例提供的激光光源装置中的荧光转换组件可为图8或9所示的实施例提供的荧光转换组件，并且激光光源装置还包括：位于激光阵列201与荧光转换组件T之间的整形透镜组501。该整形透镜组的结构与图12所示的实施例提供的激光光源装置中的整形透镜组500的结构相同，此处不再赘述。In actual application, as shown in FIG. 16, it is a schematic structural diagram of a laser light source device provided by some embodiments of the present disclosure. The laser light source device provided by these embodiments of the present disclosure and the laser light provided by the embodiment shown in FIG. 14 are provided. The light source device is different in that the fluorescence conversion component in the laser light source device provided by the embodiments of the present disclosure may be the fluorescence conversion component provided in the embodiment shown in FIG. 8 or 9, and the laser light source device further includes: A shaping lens group 501 between the array 201 and the fluorescence conversion component T. The structure of the shaping lens group is the same as the structure of the shaping lens group 500 in the laser light source device provided in the embodiment shown in FIG. 12, and details are not described herein again.

又一方面，本公开实施例还提供一种激光投影***。In another aspect, an embodiment of the present disclosure also provides a laser projection system.

图17为本公开一些实施例提供的激光投影***的结构示意图。如图17所示，该激光投影***，包括图10-12所示的任一实施例提供的激光光源装置，位于激光光源装置出光侧的光阀调制部件600，以及位于光阀调制部件600出光侧的投影镜头700。 激光光源装置可时序性地输出不同颜色的光线入射至光阀调制部件600，通过光阀调制部件600时序性的对不同颜色入射光的调制，使得反射到投影镜头700成像出的图像满足需要。在一些实施例中，上述光阀调制部件600可为数字微镜芯片(Digital Micromirror Device，简称DMD)。本公开实施例提供的上述激光投影***可以采用数字光处理构架(Digital Light Processing，简称DLP)，通过把影像信号数字化处理，使激光光源装置时序性地出射的不同颜色光线投射在DMD芯片上，由DMD芯片根据数字化信号对光线进行调制后反射，最后经过投影镜头在投影屏幕上成像。FIG. 17 is a schematic structural diagram of a laser projection system provided by some embodiments of the present disclosure. As shown in FIG. 17, the laser projection system includes a laser light source device provided in any of the embodiments shown in FIGS. 10-12, a light valve modulation component 600 located on a light emitting side of the laser light source device, and a light output from the light valve modulation component 600. Side of the projection lens 700. The laser light source device can sequentially output light of different colors to be incident on the light valve modulation part 600, and the light valve modulation part 600 can modulate the incident light of different colors on a time series basis, so that the image reflected by the projection lens 700 meets the needs. In some embodiments, the light valve modulation component 600 may be a digital micromirror device (DMD). The above-mentioned laser projection system provided by the embodiment of the present disclosure may adopt a digital light processing framework (Digital Light Processing, DLP for short), and by digitally processing the image signal, the different color light emitted by the laser light source device in a time sequence is projected on the DMD chip. The DMD chip modulates the light according to the digitized signal, reflects it, and finally images it on a projection screen through a projection lens.

进一步地，图18为本公开另一些实施例提供的激光投影***的结构示意图。本公开的这些实施例提供的激光投影***与图17所示的实施例提供的激光投影***的不同之处在于，本公开的这些实施例提供的激光投影***中的激光光源装置可为图13-16所示的任一实施例提供的任一激光光源装置。Further, FIG. 18 is a schematic structural diagram of a laser projection system provided by other embodiments of the present disclosure. The laser projection system provided by the embodiments of the present disclosure is different from the laser projection system provided by the embodiment shown in FIG. 17 in that the laser light source device in the laser projection system provided by the embodiments of the present disclosure can be as shown in FIG. 13. Any laser light source device provided by any embodiment shown in -16.

本公开实施例提供的荧光转换组件、激光光源装置及激光投影***，包括：荧光导光部件；荧光导光部件包括：荧光晶体，荧光晶体垂直于激光的入射方向的两个表面分别为入射面和出射面，除入射面和出射面以外的外表面具有反射膜层；荧光导光部件用于将接收的激光转换为设定波段的荧光，在反射膜层内部反射传输。本公开采用的荧光晶体为单结晶荧光材料，作为一种荧光晶体纯净物，可以耐受更高的温度，可以接收激光阵列出射的较高能量的激光而不会发生荧光转换效率下降的问题。激光在入射到单结晶荧光材料时具有较高的透过率，在激光的入射方向上激光几乎不会被散射，因此光损小，激光路径更加直接，可以有效提高荧光的激发效率。而在荧光晶体表面镀全波段反射膜，则可以实现激光所激发出的不同角度的荧光在部件内可以高效反射传输，同时具有一定的匀光作用。The fluorescence conversion assembly, laser light source device and laser projection system provided by the embodiments of the present disclosure include: a fluorescent light guide member; the fluorescent light guide member includes: a fluorescent crystal, and two surfaces of the fluorescent crystal perpendicular to the incident direction of the laser light are incident surfaces, respectively. And the emitting surface, the outer surface except the incident surface and the emitting surface has a reflective film layer; the fluorescent light guide member is used to convert the received laser light to a set wavelength of fluorescence, and reflect and transmit inside the reflective film layer. The fluorescent crystal used in the present disclosure is a single crystal fluorescent material. As a pure fluorescent crystal, it can withstand higher temperatures and can receive higher energy laser light emitted from the laser array without the problem of reduced fluorescence conversion efficiency. Laser light has a high transmittance when it is incident on a single crystal fluorescent material, and the laser light is hardly scattered in the incident direction of the laser light, so the light loss is small, the laser path is more direct, and the excitation efficiency of fluorescence can be effectively improved. By coating a full-wave reflection film on the surface of the fluorescent crystal, it is possible to realize the reflection and transmission of the fluorescence of different angles excited by the laser in the component, and at the same time it has a certain uniformity of light.

尽管已描述了本公开的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本公开范围的所有变更和修改。Although the preferred embodiments of the present disclosure have been described, those skilled in the art can make additional changes and modifications to these embodiments once they know the basic inventive concepts. Therefore, the following claims are intended to be construed to include the preferred embodiments and all changes and modifications that fall within the scope of the disclosure.

显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。Obviously, those skilled in the art can make various modifications and variations to the present disclosure without departing from the spirit and scope of the present disclosure. In this way, if these modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and their equivalent technologies, the present disclosure also intends to include these modifications and variations.

Claims (20)

1. 一种荧光转换组件，其特征在于，包括：荧光导光部件；A fluorescence conversion component, comprising: a fluorescent light guide member;

   所述荧光导光部件包括：荧光晶体，所述荧光晶体垂直于激光的入射方向的两个表面分别为入射面和出射面，除所述入射面和所述出射面以外的外表面具有反射膜层；The fluorescent light-guiding member includes a fluorescent crystal, and two surfaces of the fluorescent crystal perpendicular to the incident direction of the laser light are an incident surface and an exit surface, respectively, and a reflective film is provided on an outer surface other than the incident surface and the exit surface. Floor;

   所述荧光导光部件用于将接收的所述激光转换为设定波段的荧光，在所述反射膜层内部反射传输。The fluorescent light-guiding component is configured to convert the received laser light into fluorescence of a set wavelength band, and reflect and transmit the light inside the reflective film layer.
2. 如权利要求1所述的荧光转换组件，其特征在于，所述荧光转换组件包括多个荧光导光部件，所述荧光转换组件还包括：圆形基板，以及固定于所述圆形基板中心的驱动转轴；The fluorescence conversion module according to claim 1, wherein the fluorescence conversion module comprises a plurality of fluorescent light guide members, and the fluorescence conversion module further comprises a circular substrate, and a center plate fixed on the center of the circular substrate. Drive shaft

   所述多个荧光导光部件固定于所述圆形基板的圆周边缘，并且所述荧光晶体的入射面和出射面平行于所述基板。The plurality of fluorescent light guide members are fixed to a peripheral edge of the circular substrate, and an incident surface and an emission surface of the fluorescent crystal are parallel to the substrate.
3. 如权利要求2所述的荧光转换组件，其特征在于，所述荧光转换组件分为荧光扇区和透射扇区，各所述多个荧光导光部件均设置于所述荧光扇区内；The fluorescence conversion component according to claim 2, wherein the fluorescence conversion component is divided into a fluorescence sector and a transmission sector, and each of the plurality of fluorescent light guide members is disposed in the fluorescence sector;

   所述荧光转换组件还包括：固定于所述圆形基板的圆周边缘的多个透射导光部件，所述透射导光部件用于透射入射激光；各所述透射导光部件均设置于所述透射扇区内。The fluorescence conversion module further includes: a plurality of transmission light guide members fixed to a peripheral edge of the circular substrate, the transmission light guide members are used to transmit incident laser light; and each of the transmission light guide members is disposed on the Within the transmission sector.
4. 如权利要求3所述的荧光转换组件，其特征在于，所述荧光扇区至少包括用于出射不同波段荧光的第一荧光扇区和第二荧光扇区；所述第一荧光扇区内的荧光导光部件为第一荧光导光部件，所述第二荧光扇区内的荧光导光部件为第二荧光导光部件；The fluorescence conversion module according to claim 3, wherein the fluorescence sector comprises at least a first fluorescence sector and a second fluorescence sector for emitting fluorescence in different wavelength bands; The fluorescent light guiding member is a first fluorescent light guiding member, and the fluorescent light guiding member in the second fluorescent sector is a second fluorescent light guiding member;

   所述第一荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射第一波段荧光的第一膜层，所述第一荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第一波段荧光并反射所述激光的第二膜层；An incident surface of a fluorescent crystal of the first fluorescent light guiding member is provided with a first film layer for transmitting the laser light and reflecting fluorescence of a first wavelength band, and an emitting surface of the fluorescent crystal of the first fluorescent light guiding member is provided. A second film layer for transmitting the first band of fluorescence and reflecting the laser light;

   所述第二荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射第二波段荧光的第三膜层，所述第二荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第二波段荧光并反射所述激光的第四膜层。An incident surface of a fluorescent crystal of the second fluorescent light guiding member is provided with a third film layer for transmitting the laser light and reflecting fluorescence of a second wavelength band, and an emitting surface of the fluorescent crystal of the second fluorescent light guiding member is provided. There is a fourth film layer for transmitting the fluorescence in the second wavelength band and reflecting the laser light.
5. 如权利要求4所述的荧光转换组件，其特征在于，所述第一荧光导光部件中的所述荧光晶体与所述第二荧光导光部件中的所述荧光晶体相同；或者，The fluorescence conversion module according to claim 4, wherein the fluorescent crystal in the first fluorescent light guide member is the same as the fluorescent crystal in the second fluorescent light guide member; or,

   所述第一荧光导光部件中的所述荧光晶体为第一荧光晶体，所述第二荧光导光部件中的所述荧光晶体为第二荧光晶体。The fluorescent crystal in the first fluorescent light guiding member is a first fluorescent crystal, and the fluorescent crystal in the second fluorescent light guiding member is a second fluorescent crystal.
6. 如权利要求1所述的荧光转换组件，其特征在于，所述荧光转换组件包括多个荧光导光部件，所述荧光转换组件还包括：用于透射入射激光的多个透射导光部件；所述多个荧光导光部件与所述多个透射导光部件沿垂直于所述激光的入射方向交替排列成一列构成所述荧光转换组件，所述荧光转换组件沿列方向按照设定的时序往复运动。The fluorescence conversion module according to claim 1, wherein the fluorescence conversion module includes a plurality of fluorescent light guide members, and the fluorescence conversion module further includes: a plurality of transmission light guide members for transmitting incident laser light; The plurality of fluorescent light-guiding members and the plurality of transmitting light-guiding members are alternately arranged in a row along a direction perpendicular to the incident direction of the laser light to form the fluorescence conversion component, and the fluorescence conversion component reciprocates in a column direction according to a set timing. motion.
7. 如权利要求6所述的荧光转换组件，其特征在于，所述多个荧光导光部件至少分为用于出射第一波段荧光的第一荧光导光部件，以及用于出射第二波段荧光的第二荧光导光部件；The fluorescence conversion module according to claim 6, wherein the plurality of fluorescent light guide members are at least divided into a first fluorescent light guide member for emitting a first-wavelength fluorescence, and a fluorescent light guide member for emitting a second-wavelength fluorescence. A second fluorescent light guide member;

   所述第一荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射所述第一波段荧光的第一膜层，所述第一荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第一波段荧光并反射所述激光的第二膜层；An incident surface of a fluorescent crystal of the first fluorescent light guide member is provided with a first film layer for transmitting the laser light and reflecting the fluorescence in the first wavelength band, and an emission of the fluorescent crystal of the first fluorescent light guide member is performed. A surface is provided with a second film layer for transmitting the first band of fluorescence and reflecting the laser light;

   所述第二荧光导光部件的荧光晶体的入射面设置有用于透射所述激光并反射所述第二波段荧光的第三膜层，所述第二荧光导光部件的所述荧光晶体的出射面设置有用于透射所述第二波段荧光并反射所述激光的第四膜层。An incident surface of a fluorescent crystal of the second fluorescent light guiding member is provided with a third film layer for transmitting the laser light and reflecting the fluorescence of the second wavelength band, and the emission of the fluorescent crystal of the second fluorescent light guiding member is emitted. The surface is provided with a fourth film layer for transmitting the fluorescence in the second wavelength band and reflecting the laser light.
8. 如权利要求7所述的荧光转换组件，其特征在于，所述多个荧光导光部件中的所述荧光晶体相同，所述荧光晶体转换的荧光为黄色光；或者，The fluorescence conversion module according to claim 7, wherein the fluorescent crystals in the plurality of fluorescent light guide members are the same, and the fluorescence converted by the fluorescent crystals is yellow light; or,

   所述第一荧光导光部件中的所述荧光晶体与所述第二荧光导光部件中的所述荧光晶体不相同；The fluorescent crystal in the first fluorescent light-guiding member is different from the fluorescent crystal in the second fluorescent light-guiding member;

   所述第一荧光导光部件中的所述荧光晶体转换的荧光为黄色光；所述第二荧光导光部件中的所述荧光晶体转换的荧光为绿色光。The fluorescence converted by the fluorescent crystal in the first fluorescent light guide member is yellow light; the fluorescence converted by the fluorescent crystal in the second fluorescent light guide member is green light.
9. 如权利要求8所述的荧光转换组件，其特征在于，所述第一膜层用于透射蓝色光并反射红色光，所述第二膜层用于透射红色光并反射蓝色光；所述第三膜层用于透射蓝色光并反射绿色光，所述第四膜层用于透射绿色光并反射蓝色光。The fluorescence conversion module according to claim 8, wherein the first film layer is configured to transmit blue light and reflect red light, and the second film layer is configured to transmit red light and reflect blue light; The three film layers are used to transmit blue light and reflect green light, and the fourth film layer is used to transmit green light and reflect blue light.
10. 如权利要求1-9任一项所述的荧光转换组件，其特征在于，所述荧光导光部件沿平行于所述激光的入射方向的长度为1-20mm。The fluorescence conversion module according to any one of claims 1 to 9, wherein a length of the fluorescent light guide member in a direction parallel to an incident direction of the laser light is 1-20 mm.
11. 一种激光光源装置，其特征在于，包括：激光阵列，位于所述激光阵列出光侧的如权利要求1-10任一项所述的荧光转换组件，以及位于所述荧光转换组件背离所述激光阵列一侧的匀光部件；A laser light source device, comprising: a laser array; the fluorescence conversion component according to any one of claims 1 to 10 on the light emitting side of the laser array; and the fluorescence conversion component facing away from the laser light. Uniform light components on one side of the array;

    所述荧光晶体面向所述激光阵列的表面为入射面，面向所述匀光部件的表面为出射面；A surface of the fluorescent crystal facing the laser array is an incident surface, and a surface facing the light uniforming member is an emission surface;

    所述匀光部件用于接收所述荧光转换组件的出射光，并将所述出射光匀化传输。The light homogenizing component is configured to receive the emitted light of the fluorescence conversion component, and uniformly transmit the emitted light.
12. 如权利要求11所述的激光光源装置，其特征在于，所述荧光转换组件时序性转动，所述激光阵列的出射的激光经过所述荧光转换组件入射到所述匀光部件。The laser light source device according to claim 11, wherein the fluorescence conversion element rotates in a time-series manner, and the laser light emitted from the laser array is incident on the light uniformity component through the fluorescence conversion element.
13. 如权利要求11所述的激光光源装置，其特征在于，所述匀光部件为光导管，所述光导管沿垂直于激光的入射方向的截面尺寸大于所述荧光导光部件沿垂直于所述激光的入射方向的截面尺寸。The laser light source device according to claim 11, wherein the light homogenizing member is a light pipe, and a cross-sectional dimension of the light pipe along a direction perpendicular to the incident direction of the laser light is larger than that of the fluorescent light guiding member perpendicular to the light guide member. The cross-sectional dimensions of the incident direction of the laser.
14. 如权利要求11所述的激光光源装置，其特征在于，所述光导管与所述荧光导光部件间隔设定距离；或者，所述荧光导光部件中的部分位于所述光导管内部。The laser light source device according to claim 11, wherein the light guide is spaced from the fluorescent light guide member by a set distance; or a portion of the fluorescent light guide member is located inside the light guide.
15. 如权利要求11所述的激光光源装置，其特征在于，所述匀光部件为复眼透镜组，所述复眼透镜组与所述荧光导光部件间隔设定距离。The laser light source device according to claim 11, wherein the light homogenizing member is a fly-eye lens group, and the fly-eye lens group is set at a distance from the fluorescent light guide member.
16. 如权利要求11-15任一项所述的激光光源装置，其特征在于，所述激光阵列的出射光为蓝色光。The laser light source device according to any one of claims 11 to 15, wherein the light emitted from the laser array is blue light.
17. 如权利要求11-16任一项所述的激光光源装置，其特征在于，所述激光阵列的出射光波段为420-470nm。The laser light source device according to any one of claims 11-16, wherein an output light band of the laser array is 420-470 nm.
18. 如权利要求11-17任一项所述的激光光源装置，其特征在于，所述激光光源装置还包括：位于所述激光阵列与所述荧光转换组件之间的整形透镜组。The laser light source device according to any one of claims 11-17, wherein the laser light source device further comprises: a shaping lens group located between the laser array and the fluorescence conversion component.
19. 一种激光投影***，其特征在于，包括如权利要求11-18任一项所述的激光光源装置，位于所述激光光源装置出光侧的光阀调制部件，以及位于所述光阀调制部件出光侧的投影镜头。A laser projection system, comprising the laser light source device according to any one of claims 11 to 18, a light valve modulation component located on a light emitting side of the laser light source device, and light output from the light valve modulation component. Projection lens on the side.
20. 如权利要求19所述的激光投影***，其特征在于，所述光阀调制部件为数字 微镜芯片。The laser projection system according to claim 19, wherein the light valve modulation component is a digital micromirror chip.

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