CN101968170B - LED illumination light source device using LED complementary color light - Google Patents
LED illumination light source device using LED complementary color light Download PDFInfo
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Abstract
The invention relates to an LED illumination light source device using LED complementary color light, which can realize illumination light source with a high color rendering index and belongs to the technical field of semiconductor illumination. Based on the known white light LED illumination light source device, a complementary color light luminous chip which is packaged by mixing a blue light LED luminous chip and a red light LED luminous chip is introduced, white light emitted by a white light LED luminous chip and the complementary color light emitted by the complementary color light luminous chip are synthesized into the white light with the high color rendering index through a color combining device, and the white light is coupled to an incident surface of an optical fiber through a focus coupling optical component and output through an emergent surface of a light-transmission optical fiber. The LED illumination light source device has the advantages of high color rendering index (the color rendering index reaches more than 90) and high reliability and efficiency without increasing optical extended amount of a white light source, and is particularly suitable for a system, such as endoscopes, surgical operation microscopes, and the like, which requires high color rendering index, has limited optical extended amount and is based on an optical fiber transmission illumination ray.
Description
Technical field
The present invention relates to a kind of LED illuminating light source device of the LED of employing complementary color light, can realize the high color rendering index (CRI) lighting source, belong to the technical field of semiconductor lighting.
Background technology
White light LEDs is used more and more extensive along with luminous efficiency improves constantly.Existing White-light LED illumination light source mainly contains two kinds: a kind of employing white light LEDs is made illuminator, white light LEDs is exactly the blue-ray LED of the fluorescent material of the surface coating of the LED Yellow light-emitting low temperature that can effectively be excited by blue light, blue-ray LED sends blue light, a part is absorbed by fluorescent material, excitated fluorescent powder emission gold-tinted, the yellow light mix of remainder and emission is regulated and control their strength ratio, can obtain the white light of various colour temperatures; Another kind is that the red, green and blue light that red, green and blue light LED sends is carried out colour mixture, forms white light.These two kinds of LED lighting sources are compared with the traditional lighting light source, and an obvious defective is that colour rendering index (Ra) is on the low side.Ra just has good color reducibility greater than 90 lighting source, belongs to the high color rendering index (CRI) light source.By the way, the maximum of Ra is 100.The Ra of LED lighting source is generally between 70～80 at present, can't satisfy the requirement that application that color reducibility is had relatively high expectations such as optics Medical Devices endoscope, shadowless lamp etc. are used, these application requirements lighting sources have high color rendering index (CRI), and namely Ra is greater than 90.
A kind of white light is arranged through the LED lighting source of coupling fiber output in the background technology, its structure mainly comprises white light LEDs luminescence chip array, light-collecting component, focusing coupling assembly and Optic transmission fiber as shown in Figure 1.This lighting source is not because the colour rendering index of white light that sends of white light LEDs luminescence chip own is not high, and is thereupon not high through the colour rendering index of the white light of coupling fiber output, can not adapt to the application requirements of high color rendering index (CRI) illumination.The colour rendering index reason on the low side that white light LEDs sends white light is to adopt the white-light spectrum of blue-ray LED and the formation of yellow fluorescent powder technology on the low side in the spectral power density of green light wave band and red spectral band.Adopt red, green and blue light LED to send the light colour mixture and form white light, the reason that its colour rendering index is on the low side is discontinuous at the spectrum of the middle wave band part between red, green and blue light.Although the method that adopts multiple fluorescent material to mix can realize high color rendering index (CRI), luminous efficiency can reduce about 50%, and the reliability of mixed fluorescent powder technology is also poor, especially under large-drive-current density, such as every mm
2Luminescence chip drive current density is greater than more than the 1A, and reliability is just poorer.
Summary of the invention
The objective of the invention is to release a kind of LED illuminating light source device of the LED of containing complementary color light, this device output white light, colour rendering index is high, suitable especially being applied in the limited system of high color rendering index (CRI) requirement and optical extend such as the illumination for endoscope system as lighting source.
For achieving the above object, the technical solution used in the present invention is, on the basis of existing White-light LED illumination light supply apparatus, introduce the complementary color light luminescence chip of green light LED luminescence chip and red-light LED luminescence chip hybrid package, the complementary color light that the white light that the white light LEDs luminescence chip is sent and complementary color light luminescence chip send is by closing the white light of the synthetic high color rendering index (CRI) of look device, line focus coupling optical assembly is coupled on the plane of incidence of optical fiber, by the exit facet output of Optic transmission fiber.
Now be described with reference to the accompanying drawings technical scheme of the present invention.A kind of LED illuminating light source device that adopts LED complementary color light, contain white light LEDs assembly 1, focus on coupling optical assembly 4 and Optic transmission fiber 5, white light LEDs assembly 1 contains white light LEDs luminescence chip array 11 and white light collecting optical opticas assembly 12, white light collecting optical opticas assembly 12 is composite parabolic optical collectors, light cone, lens, set of lenses or optical collector-set of lenses, white light exit facet 121 is output faces of white light collecting optical opticas assembly 12, white light LEDs luminescence chip array 11 and white light collecting optical opticas assembly 12 are arranged in order in the mode of its optical axis coincidence, focusing on coupling optical assembly 4 is set of lenses, Optic transmission fiber 5 contains the plane of incidence 51, exit facet 52 and center 53, the plane of incidence 51 is vertical with the optical axis of Optic transmission fiber 5 with exit facet 52, the optical axis of Optic transmission fiber 5 is by the center 53 of the plane of incidence 51, focusing coupling optical assembly 4 and Optic transmission fiber 5 are arranged in order in the mode of its optical axis coincidence, the plane of incidence 51 of Optic transmission fiber 5 overlaps with the focusing surface that focuses on coupling optical assembly 4, it is characterized in that, this device also contains complementary color light LED assembly 2 and closes look device 3, complementary color light LED assembly 2 contains complementary color light LED luminescence chip array 21, complementary color light collecting optical opticas assembly 22, the even light optical module 23 of complementary color light and complementary color light relay optical assembly 24, complementary color light luminescence chip array 21 contains green light LED luminescence chip and red-light LED luminescence chip, complementary color light collecting optical opticas assembly 22 is parabolic optical collectors, light cone, lens, set of lenses or optical collector-set of lenses, the even light optical module 23 of complementary color light is optical wand or set of lenses, complementary color light relay optical assembly 24 is lens or set of lenses, complementary color light-emitting face 241 is output faces of complementary color light LED assembly 2, complementary color light luminescence chip array 21, complementary color light collecting optical opticas assembly 22, the even light optical module 23 of complementary color light and complementary color light relay optical assembly 24 are arranged in order in the mode of its optical axis coincidence, white light LEDs assembly 1 and focusing coupling optical assembly 4 are arranged in order in the mode of its optical axis coincidence, closing look device 3 is that the look mirror is closed on cemented prism or plane, close look device 3 and contain white light input face 31, complementary color optical input surface 32, close look face 34 and close coloured light output face 33, white light input face 31 is with to close coloured light output face 33 parallel, complementary color optical input surface 32 and white light input face 31 are with to close coloured light output face 33 vertical, close look face 34 and white light input face 31, complementary color optical input surface 32 all is 45 ° with the dihedral angle that closes 33 one-tenth of coloured light output faces, close the depolarized vibrating diaphragm that is coated with transmission white light reflection complementary color light on the look face 34, close look device 3 between white light LEDs assembly 1 and focusing coupling optical assembly 4, white light input face 31 is parallel with the white light exit facet 121 of white light LEDs assembly 1, complementary color optical input surface 32 is parallel with the complementary color light-emitting face 241 of complementary color light LED assembly 2, closing coloured light output face 33 overlaps with the coloured light input face that closes that focuses on coupling optical assembly 4, the optical axis of white light LEDs assembly 1 and focusing coupling optical assembly 4 is respectively by white light input face 31 and the center of closing look output face 33, the optical axis of complementary color light LED assembly 2 passes through the center of complementary color optical input surface 32, and is vertically intersected on the center of closing look face 34 with the optical axis that focuses on coupling optical assembly 4.
Technical scheme of the present invention is further characterized in that, white light LEDs luminescence chip array 11 contains one～nine white light LEDs luminescence chip, complementary color light LED luminescence chip array 21 contains two～four complementary color light luminescence chips, wherein green light LED luminescence chip is one～three, the red-light LED luminescence chip is one～two, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array 21 with mode cloth at random.
Further technical characterictic of the present invention is, the location swap of white light LEDs assembly 1 and complementary color light LED assembly 2, white light exit facet 121 is parallel with complementary color optical input surface 32, and complementary color light-emitting face 241 is parallel with white light input face 31, closes the depolarized vibrating diaphragm that is coated with transmission complementary color light reflected white-light on the look face 34.
Compare with background technology, the present invention has following advantage:
1, colour rendering index is high, reaches more than 90, suitablely is applied to require colour rendering index high and based on the illumination application of coupling fiber output, such as the Medical Devices endoscope.
2, reliability is high, does not have the unreliable and unsettled problem that adopts multiple fluorescent material to be mixed to get fluorescent material in the high color rendering index (CRI) light source.
3, efficient is high, has effectively avoided multiple fluorescent material to mix the low luminous efficiency problem that produces.
4, optics closes the colour rendering index height of the white light source of look formation, can not increase the optical extend of white light source, and preferably being used in the limited system of optical extend made lighting source.
Description of drawings
Fig. 1 is the structural representation of background technology White-light LED illumination light supply apparatus.
Fig. 2 is one of the structural representation that contains the LED illuminating light source device of complementary color light LED.
Fig. 3 be contain complementary color light LED the LED illuminating light source device structural representation two.
Fig. 4 be contain complementary color light LED the LED illuminating light source device structural representation three.
Fig. 5 is the plated film Curve Design schematic diagram that closes the depolarized vibrating diaphragm on the look face 34 of embodiment 1.
Fig. 6 is the plated film Curve Design schematic diagram that closes the depolarized vibrating diaphragm on the look face 34 of embodiment 3.
The specific embodiment
Now further specify technical scheme of the present invention and operation principle with accompanying drawing in conjunction with the embodiments.All embodiment have and the identical structure of the structure of the described device of summary of the invention.For avoiding repetition, following examples are only enumerated crucial technical data.
Present embodiment is the cemented prism except closing look device 3, and remainder has and the identical structure of structure shown in Figure 2, below is its crucial technical data:
White light LEDs luminescence chip array 11 contains nine white light LEDs luminescence chips, be arranged in 3 * 3 matrix, each white light LEDs luminescence chip is of a size of 1mm * 1mm, and the spacing between the adjacent chips is 0.1mm, white light collecting optical opticas assembly 12 is set of lenses, and the focal length of set of lenses is 12mm;
Complementary color light LED luminescence chip array 21 contains four complementary color light LED luminescence chips, be arranged in 2 * 2 matrix, wherein green light LED luminescence chip is two, the red-light LED luminescence chip is two, each complementary color light LED luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array 21 with the mode cloth of different rows different lines respectively;
Complementary color light collecting optical opticas assembly 22 is light cones, and small end face is of a size of 2.1mm * 2.1mm, and large end face is of a size of 5 * 5mm, and length is 20mm;
The even light optical module 23 of complementary color light is optical wands, is of a size of 5mm * 5mm * 50mm;
Complementary color light relay optical assembly 24 is set of lenses, and focal length is 20mm;
Closing look device 3 is cemented prisms, is of a size of 25mm * 25mm * 25mm;
Close depolarized vibrating diaphragm transmission white light, reflection complementary color light, i.e. green light and ruddiness on the look face 34;
Focusing on coupling optical assembly 4 is set of lenses, and focal length is 64mm;
Transmission Fibers 5 clear aperatures are 5mm, and numerical aperture is 0.6.
Operation principle: the white light that white light LEDs luminescence chip array 11 sends after white light light collecting lens group 12, all is collected and its angle of divergence is compressed in 10 °, from white light exit facet 121 outgoing of white light LEDs assembly 1.The complementary color light (green light and ruddiness) that complementary color light LED luminescence chip array 21 sends, behind complementary color light collecting optical opticas assembly 22 (light cones), all be collected and its angle of divergence is compressed in 30 °, behind the even light of the even light optical module 23 (optical wand) of complementary color light, export uniform complementary color light, pass through again complementary color light relay optical assembly 24 (set of lenses), the angle of divergence of its complementary color light is compressed in 10 °, from 241 outgoing of complementary color light-emitting face.From the white light of white light LEDs assembly 1 outgoing with from respectively white light input face 32 and 31 incidents of complementary color optical input surface of ECDC look device 3 (cemented prisms) of complementary color light of complementary color light LED assembly 2 outgoing, through after closing look face 34, the white light transmission, complementary color light will reflect, white light is mixed into complementary color light is in the same place, according to the spectrum principle of stacking, the white light of the high color rendering index (CRI) of the synthetic spatial distribution defective of only having replenished white light, line focus coupling optical assembly 4 (set of lenses) focuses on the plane of incidence 51 of Optic transmission fiber 5, again through Optic transmission fiber 5, the white light from exit facet 52 outgoing of Optic transmission fiber 5 must also be the white light of high color rendering index (CRI) at last.
Present embodiment has and the identical structure of structure shown in Figure 2, below is its crucial technical data:
Closing look device 3 is that the look mirror is closed on the plane, is of a size of 28mm * 40mm * 1mm, and in addition, the technical data of remaining technical data and embodiment 1 is identical.
Present embodiment has and the identical structure of structure shown in Figure 3, below is its crucial technical data:
White light LEDs luminescence chip array 11 contains nine white light LEDs luminescence chips, be arranged in 3 * 3 matrix, each white light LEDs luminescence chip is of a size of 1mm * 1mm, and the spacing between the adjacent chips is 0.1mm, white light collecting optical opticas assembly 12 is set of lenses, and the focal length of set of lenses is 12mm;
Complementary color light LED luminescence chip array 21 contains four complementary color light LED luminescence chips, be arranged in 2 * 2 matrix, wherein green light LED luminescence chip is two, the red-light LED luminescence chip is two, each complementary color light LED luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array 21 with the mode cloth of different rows different lines respectively;
Complementary color light collecting optical opticas assembly 22 is light cones, and small end face is of a size of 2.1mm * 2.1mm, and large end face is of a size of 5 * 5mm, and length is 20mm;
The even light optical module 23 of complementary color light is optical wands, is of a size of 5mm * 5mm * 50mm;
Complementary color light relay optical assembly 24 is set of lenses, and focal length is 20mm;
Closing look device 3 is that the look mirror is closed on the plane, is of a size of 28mm * 40mm * 1mm;
Close the depolarized vibrating diaphragm transmission complementary color light on the look face 34, i.e. green light and ruddiness, reflected white-light;
Focusing on coupling optical assembly 4 is set of lenses, and focal length is 64mm;
Transmission Fibers 5 clear aperatures are 5mm, and numerical aperture is 0.6.
The operation principle of the operation principle of present embodiment and embodiment 1 is similar, just no longer repeats herein.
Present embodiment is the cemented prism except closing look device 3, and remainder has and the identical structure of structure shown in Figure 3, below is its crucial technical data:
Closing look device 3 is cemented prisms, is of a size of 25mm * 25mm * 25mm, and in addition, the technical data of remaining technical data and embodiment 3 is identical.
The LED illuminating light source device of employing complementary color light LED of the present invention, the LED illumination white light of high color rendering index (CRI) can be provided, suitable especially be used in demanding to colour rendering index, optical extend is limited and system such as endoscope, surgical operation microscope etc. based on the optical fibre transmission illuminating ray among.
Claims (8)
1. LED illuminating light source device that adopts LED complementary color light, contain white light LEDs assembly (1), focus on coupling optical assembly (4) and Optic transmission fiber (5), white light LEDs assembly (1) contains white light LEDs luminescence chip array (11) and white light collecting optical opticas assembly (12), white light collecting optical opticas assembly (12) is the composite parabolic optical collector, light cone, lens, set of lenses or optical collector-set of lenses, white light exit facet (121) is the output face of white light collecting optical opticas assembly (12), white light LEDs luminescence chip array (11) and white light collecting optical opticas assembly (12) are arranged in order in the mode of its optical axis coincidence, focusing on coupling optical assembly (4) is set of lenses, Optic transmission fiber (5) contains the plane of incidence (51), exit facet (52) and center (53), the plane of incidence (51) is vertical with the optical axis of Optic transmission fiber (5) with exit facet (52), the optical axis of Optic transmission fiber (5) is by the center (53) of the plane of incidence (51), focusing coupling optical assembly (4) and Optic transmission fiber (5) are arranged in order in the mode of its optical axis coincidence, the plane of incidence (51) of Optic transmission fiber (5) overlaps with the focusing surface that focuses on coupling optical assembly (4), it is characterized in that, this device also contains complementary color light LED assembly (2) and closes look device (3), complementary color light LED assembly (2) contains complementary color light LED luminescence chip array (21), complementary color light collecting optical opticas assembly (22), the even light optical module (23) of complementary color light and complementary color light relay optical assembly (24), complementary color light luminescence chip array (21) contains green light LED luminescence chip and red-light LED luminescence chip, complementary color light collecting optical opticas assembly (22) is parabolic optical collector, light cone, lens, set of lenses or optical collector-set of lenses, the even light optical module (23) of complementary color light is optical wand or set of lenses, complementary color light relay optical assembly (24) is lens or set of lenses, complementary color light-emitting face (241) is the output face of complementary color light LED assembly (2), complementary color light luminescence chip array (21), complementary color light collecting optical opticas assembly (22), the even light optical module (23) of complementary color light and complementary color light relay optical assembly (24) are arranged in order in the mode of its optical axis coincidence, white light LEDs assembly (1) and focusing coupling optical assembly (4) are arranged in order in the mode of its optical axis coincidence, closing look device (3) is that the look mirror is closed on cemented prism or plane, close look device (3) and contain white light input face (31), complementary color optical input surface (32), close look face (34) and close coloured light output face (33), white light input face (31) is with to close coloured light output face (33) parallel, complementary color optical input surface (32) and white light input face (31) are with to close coloured light output face (33) vertical, close look face (34) and white light input face (31), complementary color optical input surface (32) all is 45 ° with closing the dihedral angle that coloured light output face (33) becomes, close the depolarized vibrating diaphragm that is coated with transmission white light reflection complementary color light on the look face (34), closing look device (3) is positioned between white light LEDs assembly (1) and the focusing coupling optical assembly (4), white light input face (31) is parallel with the white light exit facet (121) of white light LEDs assembly (1), complementary color optical input surface (32) is parallel with the complementary color light-emitting face (241) of complementary color light LED assembly (2), closing coloured light output face (33) overlaps with the coloured light input face that closes that focuses on coupling optical assembly (4), white light LEDs assembly (1) and the optical axis that focuses on coupling optical assembly (4) are respectively by white light input face (31) with close the center of coloured light output face (33), the optical axis of complementary color light LED assembly (2) passes through the center of complementary color optical input surface (32), and is vertically intersected on the center of closing look face (34) with the optical axis that focuses on coupling optical assembly (4).
2. the LED illuminating light source device of employing according to claim 1 LED complementary color light, it is characterized in that, white light LEDs luminescence chip array (11) contains one～nine white light LEDs luminescence chip, complementary color light LED luminescence chip array (21) contains two～four complementary color light luminescence chips, wherein green light LED luminescence chip is one～three, the red-light LED luminescence chip is one～two, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array (21) with mode cloth at random.
3. the LED illuminating light source device that adopts LED complementary color light according to claim 1 and 2 is characterized in that, crucial technical data is enumerated as follows:
White light LEDs luminescence chip array (11) contains nine white light LEDs luminescence chips, be arranged in 3 * 3 matrix, each white light LEDs luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, white light collecting optical opticas assembly (12) is set of lenses, and the focal length of set of lenses is 12mm;
Complementary color light LED luminescence chip array (21) contains four complementary color light LED luminescence chips, be arranged in 2 * 2 matrix, wherein green light LED luminescence chip is two, the red-light LED luminescence chip is two, each complementary color light LED luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array (21) with the mode cloth of different rows different lines respectively;
Complementary color light collecting optical opticas assembly (22) is light cone, and small end face is of a size of 2.1mm * 2.1mm, and large end face is of a size of 5 * 5mm, and length is 20mm;
The even light optical module (23) of complementary color light is optical wand, is of a size of 5mm * 5mm * 50mm;
Complementary color light relay optical assembly (24) is set of lenses, and focal length is 20mm;
Closing look device (3) is cemented prism, is of a size of 25mm * 25mm * 25mm;
Close depolarized vibrating diaphragm transmission white light, reflection complementary color light, i.e. green light and ruddiness on the look face (34);
Focusing on coupling optical assembly (4) is set of lenses, and focal length is 64mm;
Transmission Fibers (5) clear aperature is 5mm, and numerical aperture is 0.6.
4. the LED illuminating light source device that adopts LED complementary color light according to claim 1 and 2 is characterized in that, crucial technical data is enumerated as follows:
White light LEDs luminescence chip array (11) contains nine white light LEDs luminescence chips, be arranged in 3 * 3 matrix, each white light LEDs luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, white light collecting optical opticas assembly (12) is set of lenses, and the focal length of set of lenses is 12mm;
Complementary color light LED luminescence chip array (21) contains four complementary color light LED luminescence chips, be arranged in 2 * 2 matrix, wherein green light LED luminescence chip is two, the red-light LED luminescence chip is two, each complementary color light LED luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array (21) with the mode cloth of different rows different lines respectively;
Complementary color light collecting optical opticas assembly (22) is light cone, and small end face is of a size of 2.1mm * 2.1mm, and large end face is of a size of 5 * 5mm, and length is 20mm;
The even light optical module (23) of complementary color light is optical wand, is of a size of 5mm * 5mm * 50mm;
Complementary color light relay optical assembly (24) is set of lenses, and focal length is 20mm;
Closing look device (3) is that the look mirror is closed on the plane, is of a size of 28mm * 40mm * 1mm;
Close depolarized vibrating diaphragm transmission white light, reflection complementary color light, i.e. green light and ruddiness on the look face (34);
Focusing on coupling optical assembly (4) is set of lenses, and focal length is 64mm;
Transmission Fibers (5) clear aperature is 5mm, and numerical aperture is 0.6.
5. LED illuminating light source device that adopts LED complementary color light, contain white light LEDs assembly (1), focus on coupling optical assembly (4) and Optic transmission fiber (5), white light LEDs assembly (1) contains white light LEDs luminescence chip array (11) and white light collecting optical opticas assembly (12), white light collecting optical opticas assembly (12) is the composite parabolic optical collector, light cone, lens, set of lenses or optical collector-set of lenses, white light exit facet (121) is the output face of white light collecting optical opticas assembly (12), white light LEDs luminescence chip array (11) and white light collecting optical opticas assembly (12) are arranged in order in the mode of its optical axis coincidence, focusing on coupling optical assembly (4) is set of lenses, Optic transmission fiber (5) contains the plane of incidence (51), exit facet (52) and center (53), the plane of incidence (51) is vertical with the optical axis of Optic transmission fiber (5) with exit facet (52), the optical axis of Optic transmission fiber (5) is by the center (53) of the plane of incidence (51), focusing coupling optical assembly (4) and Optic transmission fiber (5) are arranged in order in the mode of its optical axis coincidence, the plane of incidence (51) of Optic transmission fiber (5) overlaps with the focusing surface that focuses on coupling optical assembly (4), it is characterized in that, this device also contains complementary color light LED assembly (2) and closes look device (3), complementary color light LED assembly (2) contains complementary color light LED luminescence chip array (21), complementary color light collecting optical opticas assembly (22), the even light optical module (23) of complementary color light and complementary color light relay optical assembly (24), complementary color light luminescence chip array (21) contains green light LED luminescence chip and red-light LED luminescence chip, complementary color light collecting optical opticas assembly (22) is parabolic optical collector, light cone, lens, set of lenses or optical collector-set of lenses, the even light optical module (23) of complementary color light is optical wand or set of lenses, complementary color light relay optical assembly (24) is lens or set of lenses, complementary color light-emitting face (241) is the output face of complementary color light LED assembly (2), complementary color light luminescence chip array (21), complementary color light collecting optical opticas assembly (22), the even light optical module (23) of complementary color light and complementary color light relay optical assembly (24) are arranged in order in the mode of its optical axis coincidence, complementary color light LED assembly (2) and focusing coupling optical assembly (4) are arranged in order in the mode of its optical axis coincidence, closing look device (3) is that the look mirror is closed on cemented prism or plane, close look device (3) and contain white light input face (31), complementary color optical input surface (32), close look face (34) and close coloured light output face (33), white light input face (31) is with to close coloured light output face (33) parallel, complementary color optical input surface (32) and white light input face (31) are with to close coloured light output face (33) vertical, close look face (34) and white light input face (31), complementary color optical input surface (32) all is 45 ° with closing the dihedral angle that coloured light output face (33) becomes, close the depolarized vibrating diaphragm that is coated with transmission complementary color light reflected white-light on the look face (34), closing look device (3) is positioned between complementary color light LED assembly (2) and the focusing coupling optical assembly (4), white light input face (31) is parallel with the complementary color light-emitting face (241) of complementary color light LED assembly (2), complementary color optical input surface (32) is parallel with the white light exit facet (121) of white light LEDs assembly (1), closing coloured light output face (33) overlaps with the coloured light input face that closes that focuses on coupling optical assembly (4), complementary color light LED assembly (2) and the optical axis that focuses on coupling optical assembly (4) are respectively by white light input face (31) with close the center of coloured light output face (33), the optical axis of white light LEDs assembly (1) passes through the center of complementary color optical input surface (32), and is vertically intersected on the center of closing look face (34) with the optical axis that focuses on coupling optical assembly (4).
6. the LED illuminating light source device of employing according to claim 5 LED complementary color light, it is characterized in that, white light LEDs luminescence chip array (11) contains one～nine white light LEDs luminescence chip, complementary color light LED luminescence chip array (21) contains two～four complementary color light luminescence chips, wherein green light LED luminescence chip is one～three, the red-light LED luminescence chip is one～two, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array (21) with mode cloth at random.
7. according to claim 5 or the LED illuminating light source devices of 6 described employing LED complementary color light, it is characterized in that crucial technical data is enumerated as follows:
White light LEDs luminescence chip array (11) contains nine white light LEDs luminescence chips, be arranged in 3 * 3 matrix, each white light LEDs luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, white light collecting optical opticas assembly (12) is set of lenses, and the focal length of set of lenses is 12mm;
Complementary color light LED luminescence chip array (21) contains four complementary color light LED luminescence chips, be arranged in 2 * 2 matrix, wherein green light LED luminescence chip is two, the red-light LED luminescence chip is two, each complementary color light LED luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array (21) with the mode cloth of different rows different lines;
Complementary color light collecting optical opticas assembly (22) is light cone, and small end face is of a size of 2.1mm * 2.1mm, and large end face is of a size of 5 * 5mm, and length is 20mm;
The even light optical module (23) of complementary color light is optical wand, is of a size of 5mm * 5mm * 50mm;
Complementary color light relay optical assembly (24) is set of lenses, and focal length is 20mm;
Closing look device (3) is cemented prism, is of a size of 25mm * 25mm * 25mm;
Close the depolarized vibrating diaphragm transmission complementary color light on the look face (34), i.e. green light and ruddiness, reflected white-light;
Focusing on coupling optical assembly (4) is set of lenses, and focal length is 64mm;
Transmission Fibers (5) clear aperature is 5mm, and numerical aperture is 0.6.
8. according to claim 5 or the LED illuminating light source devices of 6 described employing LED complementary color light, it is characterized in that crucial technical data is enumerated as follows:
White light LEDs luminescence chip array (11) contains nine white light LEDs luminescence chips, be arranged in 3 * 3 matrix, each white light LEDs luminescence chip is of a size of 1mm * 1mm, and the spacing between the adjacent chips is 0.1mm, white light collecting optical opticas assembly 12 is set of lenses, and the focal length of set of lenses is 12mm;
Complementary color light LED luminescence chip array (21) contains four complementary color light LED luminescence chips, be arranged in 2 * 2 matrix, wherein green light LED luminescence chip is two, the red-light LED luminescence chip is two, each complementary color light LED luminescence chip is of a size of 1mm * 1mm, spacing between the adjacent chips is 0.1mm, and green light LED luminescence chip and red-light LED luminescence chip are listed in the complementary color light LED luminescence chip array (21) with the mode cloth of different rows different lines;
Complementary color light collecting optical opticas assembly (22) is light cone, and small end face is of a size of 2.1mm * 2.1mm, and large end face is of a size of 5 * 5mm, and length is 20mm;
The even light optical module (23) of complementary color light is optical wand, is of a size of 5mm * 5mm * 50mm;
Complementary color light relay optical assembly (24) is set of lenses, and focal length is 20mm;
Closing look device (3) is that the look mirror is closed on the plane, is of a size of 28mm * 40mm * 1mm;
Close the depolarized vibrating diaphragm transmission complementary color light on the look face (34), i.e. green light and ruddiness, reflected white-light;
Focusing on coupling optical assembly (4) is set of lenses, and focal length is 64mm;
Transmission Fibers (5) clear aperature is 5mm, and numerical aperture is 0.6.
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| FR2999274A1 (en) * | 2012-12-07 | 2014-06-13 | Maquet Sas | LED LIGHTING DEVICE FOR OPERATIVE FIELDS COMPRISING A DIVIDER OF LIGHT BEAMS |
| CN103190878A (en) * | 2013-03-22 | 2013-07-10 | 浙江大学 | Multifunctional medical LED (Light Emitting Diode) lighting system |
| WO2014183583A1 (en) * | 2013-05-17 | 2014-11-20 | 深圳市绎立锐光科技开发有限公司 | Light-emitting device and stage lamp system |
| CN106999028B (en) * | 2014-12-09 | 2020-06-16 | 索尼公司 | Illumination device, method of controlling illumination device, and image acquisition system |
| CN112664908A (en) * | 2020-12-25 | 2021-04-16 | 广东省科学院半导体研究所 | Method for enhancing specific wavelength intensity of white light LED, light source system and microscope |
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