CN207650522U - Modularization hexagonal prisms RGB optical-fiber laser mixes white light back lighting device and display device - Google Patents
Modularization hexagonal prisms RGB optical-fiber laser mixes white light back lighting device and display device Download PDFInfo
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Abstract
The utility model is related to modularization hexagonal prisms RGB optical-fiber lasers to mix white light back lighting device and display device, including the first backboard fixes tri-color laser point light source, hexagonal prisms redgreenblue laser mixes white light devices；Second backboard fixes plus lens, Bao Weier lens and light conducting plate structure；One group of tri-color laser point light source, mixed white light devices, plus lens, Bao Weier lens form light source module group.The laser that light source transmitting laser is conveyed into mixed white light devices outgoing by optical fiber is transmitted through the fiber to plus lens, and the laser of outgoing is transmitted to Bao Weier lens after spot shaping, then transmits the light conducting plate structure for most carrying anti-reflection membrane structure.Wherein hexagonal prisms redgreenblue laser mixes the hollow quartz glass hexagonal prisms that white light devices are 1 millimeter of wall thickness.The utility model can solve the contradiction of current multi-media display requirement high brightness wide gamut and large scale and heat dissipation；It can solve the very wide contradiction with the constrained color gamut of display of bandwidth because of system complex LED light source.
Description
Technical field
The present invention relates to laser display and lighting area, more particularly to a kind of modularization hexagonal prisms RGB optical-fiber laser is mixed
White light back lighting device and display device.
Background technology
Have in the information that statistics shows that people are obtained, there is the vision that 70%-80% comes, it is seen that visual information it is important
Property.People, which will not only see, meet the eye on every side green, blue sky and white cloud, also to obtain information by various visual medias come guiding life.And
The source of information is of all shapes and colors at present, has both included books, also includes TV, various outdoor medias is further included, as advertisement, advertisement
Board, propaganda board, outdoor television wall etc., and the most important hardware of these media is exactly display, it is seen that the weight of good display
It wants.
Multi-media display had both included indoor or including outdoor, and the two is all to provide information service, but method
It is different with effect.Indoor display, since ambient light, that is, bias light is weaker, to the brightness requirement of multi-media display
It is not very high, general 300-500cd/m^2；But for outdoor display, brightness is greater than 1500cd/m^2,
This certainly will more stringent requirements are proposed to outdoor display, i.e., high brightness, large scale, color will also be got well.Outdoor display screen is all at present
It is LED based technology, or the quantity by increasing LED, to improve brightness, or it is high by researching and developing light conversion efficiency
LED replaces the LED of low light efficiency, and these technologies must be equipped with prodigious radiator, this certainly will increase the cost of system,
And long-time stability are influenced, and since the light of LED outputs still falls within wideband light source, bandwidth is generally 30nm~50nm,
This allows for the display formed with LED backlight, and colour gamut is very narrow.In face of the challenge of this display technology, scientists propose
Better scheme, that is, utilize laser.For laser with its very high brightness, pure color and narrow bandwidth replacement are existing
LED, to make the outdoor large-size screen monitors laser backlight display of high brightness.There is country in the research for carrying out this respect in the world, as day
This Mitsubishi, just once take the lead in the possibility for proposing laser display, but is limited to technical difficulty, never really pushes to
Market.The main difficulty of laser backlight display technology is how to make full use of laser to improve brightness, and is improving brightness
While improve display colour gamut.Based on this, the present invention discloses a kind of mixed white light of modularization hexagonal prisms RGB optical-fiber laser
Back lighting device and display device.
Invention content
1, technical problem to be solved：
A kind of modularization hexagonal prisms RGB optical-fiber laser of present invention offer mixes white light back lighting device and display device, can
Solve current multi-media display requirement high brightness, the contradiction of wide colour gamut and large scale and heat dissipation；It can solve because system is multiple
The very wide contradiction with the constrained color gamut of display of miscellaneous, LED light source bandwidth.
2, technical solution：
A kind of mixed white light back lighting device of modularization hexagonal prisms RGB optical-fiber laser, including the first backboard and the second backboard；
First backboard fixes one group of tri-color laser point light source, hexagonal prisms redgreenblue laser mixes white light devices；Described second
Backboard fixes plus lens, Bao Weier lens and light conducting plate structure；One group of tri-color laser point light source, a hexagonal prisms are red
Turquoise three colors laser mixes white light devices, and a plus lens, a Bao Weier lens form one group of light source module.
The tri-color laser point light source is respectively red laser point light source, blue laser point light source, green laser
Device point light source；
The three colors laser point light source emits laser and is conveyed into the hexagonal prisms redgreenblue by optical fiber respectively to swash
Light mixes white light devices, and the white laser that white light devices outgoing is mixed by hexagonal prisms redgreenblue laser is transmitted through the fiber to institute
Plus lens is stated, the laser being emitted after plus lens carries out shaping to emergent light spot shape is transmitted to Bao Weier lens, passes through
Laser is transmitted to as the light conducting plate structure with anti-reflection membrane structure after Bao Weier lens.
Laser enters the mixed white light dress of the hexagonal prisms redgreenblue laser by optical fiber during above-mentioned laser transmission
When setting, it is red green that the three optical fiber fusion weldings arranged side by side that are connected respectively with three color laser point light sources at the optical fiber of a rough enter hexagonal prisms
Blue three color laser mix white light devices；The thick fiber outer surface coats quartz glass.
The hexagonal prisms redgreenblue laser mix white light devices be by 6 pieces of identical rectangle glass and two pieces before and after
Hold glass solder at hollow quartz glass hexagonal prisms；1 millimeter of hexagonal prisms wall thickness；Length is 2-8 centimetres；Table in the hexagonal prisms
Plate high-reflecting film layer in face.
In order to reduce the influence that laser generates heat to display stability, the present invention is using laser light source and guide-lighting plate part
Separately installed form makes laser light source radiator portion that can individually control, so that the heat dissipation of laser light source will not be right
Guide-lighting plate part impacts.In the present invention by adjusting the distance between Bao Weier lens and light guide plate, light guide plate is adjusted
Azimuth between the plane of incidence helps finally to control the colour gamut of display.
When laser light source transmitting laser enters hexagonal prisms redgreenblue laser by optical fiber mixes white light devices, three colors swash
Although light optical fiber welds together, but reality does not carry out sufficient light mixing, and if without spot shaping, this is bound to
Dispersion is formed to subsequent optical element such as plus lens, influences the color of display.To improve the coupling efficiency and face of laser
Color, the present invention design the special construction that hexagonal prisms optical crystal is connect with incident optical.Three color laser light incidents after hexagonal prisms,
Reflection through multiple wall forms uniformly mixed white light at light-emitting window.The effect of hexagonal prisms is exactly by increasing multiple reflections
Face, and increase the effective cross-section of mixed light, achieve the purpose that uniform mixed light.
Further, the invention also includes the radiator structures on the first backboard.Radiator structure is mounted on first
It can realize that laser radiator portion is detached with backlight portion on backboard.
Further, the laser point light source is semiconductor laser, and the wavelength of wherein red laser point light source is
The wavelength of 625nm ~ 635nm, green (light) laser point light source are 518nm ~ 522nm, and the wavelength of blue laser point light source is
430nm~438nm.In order to achieve the purpose that improve colour gamut, the centre wavelength of three color laser can optimize within the above range
Screening.
Further, including at least two groups light source module group；The tri-color laser point light source of the multiple sets of light sources module is distinguished
Laser is inputted positioned at the left and right sides of light guide plate, and from both sides.
Further, including at least two groups light source module group；The tri-color laser point light source of the multiple sets of light sources module is from leading
Four side of tabula rasa inputs laser.
Further, the light conducting plate structure is spliced as needed；The light conducting plate structure size is according to practical need
It is adjusted.
Specifically, in order to further increase brightness and the uniformity of display, left and right two not only may be used in the present invention
Side entering light, and array is used into electro-optical device with one side, increased as two by an original white light source with one side or
It is more than person.The same present invention can also use the pattern of four side whole entering lights, and the brightness of display is made further to be enhanced, with
Meet the display demand of outdoor large screen.Plate in the present invention is also according to needing adjusting size and quantity therewith.
Further, the light conducting plate structure includes light guide plate and is equipped on the face of light guide plate emergent ray successively
Blast membrane system, even smooth film；The laser entrance face of the light guide plate is equipped with anti-reflection film.The plane of incidence of the incident laser through light guide plate and
Bottom reflection returns light guide plate through light guide plate bottom microstructures scatters, ultimately forms uniform white face light, by blast membrane system,
Even smooth film can form colored display.
A kind of display device, including a kind of above-mentioned modularization hexagonal prisms RGB optical-fiber laser mix white light back lighting device and
Display screen；The display location is in the outermost end of light conducting plate structure.
The present invention is six for being adjusted by the light beam of the pure laser of RGB to high brightness, and passing through special designing
Prism structure makes three color laser be mixed into white light, and becomes linear light source by plus lens and Bao Weier lens by white light source, then
It is imported into light guide plate, forms area source.Meet the aobvious of individual module by increasing and controlling the power of laser in the present invention
Show brightness requirement, and total light-source brightness can be increased by increasing the number of array laser device, and by modular
Mode controls required display sizes so that it disclosure satisfy that brightness and the size requirement of outdoor display application.To improve color
Domain, the present invention use the setting of three kinds of monochromatic laser light sources of RGB, and each ingredient light intensity ratio by adjusting three color laser
Achieve the purpose that be mixed into required white light color.To reach mixed uniformly purpose, the present invention is mixed using the optics of special designing
Structure is closed, i.e., the fiber-fuse of three small diameters is welded into a larger-diameter optical fiber, then imports hexagonal prisms mixed light
Component so that three color laser can be sufficiently mixed, and form equal white light, be projected from optical fiber.To make the circular light spot of outgoing be formed just
In the launching spot requirement for being converted to linear light source, the present invention is equipped with the convergent lens of controllable emergent light spot shape so that incident
Circular light spot can form ellipse emergent light spot.
In addition to achieving the purpose that improve colour gamut, the centre wavelength of three color laser optimizes screening.The wavelength of feux rouges
Ranging from 625nm ~ 635nm, green light are 518nm ~ 522nm, and blue light is 430nm ~ 438nm.Its respective half-peak breadth and screening are small
In 5 nanometers, the service life is more than 50000 hours.Centre wavelength in addition to screening laser, power and outside the service life also adjust three colors and swash
The mixing kenel of light, the incident orientation of the shape and mixed white light and the light guide plate plane of incidence of hot spot, reflective membrane, brightness enhancement film and liquid
The type of crystal display, to control final display colour gamut so that display can have maximized colour gamut effect
Fruit.People are improved to beautiful pursuit.
3, advantageous effect：
1) present invention using redgreenblue optical-fiber laser point light source is mixed into white light to control the colour gamut of display, due to
The halfwidth of laser is very narrow, so available very high colour gamut.
2) present invention uses three color laser light-mixing structure of hexagonal prisms so that the laser of outgoing forms equal white light.
3) present invention is using the plus lens that can control emergent light spot shape, in favor of the optics coupling with Bao Weier lens
It closes.Modularization Bao Weier lens carry out optical coupled this structure with light guide plate in the present invention, make highlighted dot laser effectively
Become highlighted uniform linear light source, then forms area source through light guide plate, uniformly project, and be formed with together with liquid crystal display template
Imitate display device.
4) present invention highlights lasing light emitter using modular array formula, can not only control the wavelength of light source, but also can be with
Control brightness and the power consumption of laser.
5) present invention is designed using modular array formula, and total size of display can be formed by single module free splicing,
Therefore size can infinite expanding.
6) using optical fiber laser for optical mode, laser radiator portion detaches the present invention with backlight portion, individually controls
Laser light source radiates, and thoroughly eliminates laser influence of the fever to display image quality for a long time.
7) display brightness of the invention and colour gamut can be by adjusting the wavelength with control laser light source, reflective membrane, brightness enhancement films
It is controlled with sequence and the bottom scattering point micro-structure of light guide plate with the installation number of even smooth film.
Description of the drawings
Fig. 1 is the connection of the first backboard and the second backboard and including using one group of light source module and light conducting plate structure and independence
The structure chart of the embodiment 1 of heat dissipation；
Fig. 2 is the side view of the second backboard of the present invention；
Fig. 3 is the optic path schematic diagram in the mixed white light devices of hexagonal prisms redgreenblue optical-fiber laser in the present invention；
Fig. 4 is that the present invention uses the left and right sides to enter light and per side for the structure chart of the embodiment 2 of one group of light source module；
Fig. 5 is to enter light at left and right sides of light guide plate and be the structure chart of the embodiment 3 of two groups of light source module groups per side；
Fig. 6 is the structure chart for the embodiment 4 for entering optical module array light source module at left and right sides of light guide plate；
Fig. 7 is the structure chart of the embodiment 5 of four side entering light of modularization.
Specific implementation mode
The present invention is further detailed below in conjunction with the accompanying drawings.
Embodiment 1 is as shown in Fig. 1, for the connection of the first backboard 1101 and the second backboard 901 and including using one group of light
The structure chart of source module and light conducting plate structure 701 and the embodiment 1 independently to radiate.As can be seen from the figure the transmission path of light
For：Three color laser point light sources 101,102,103 emit respectively laser be transmitted through the fiber to the hexagonal prisms redgreenblue swash
Light mixes white light devices 201, and mix the laser that white light devices 201 are emitted by hexagonal prisms redgreenblue laser is passed by optical fiber 301
The plus lens 401 is transported to, the laser being emitted after plus lens 401 controls emergent light spot shape is transmitted to Bao Weier lens
501, it is transmitted to as the light conducting plate structure with anti-reflection membrane structure by laser after Bao Weier lens 501.Three color of one of which swashs
Light device point light source, a hexagonal prisms redgreenblue laser mix white light devices, a plus lens, a Bao Weier lens composition
One group of light source module.First backboard fixes one group of tri-color laser point light source, hexagonal prisms redgreenblue laser mixes white light devices；
Second backboard fixes plus lens, Bao Weier lens and light guide plate module.Laser point light source wavelength power can in said structure
It adjusts, can be fixed on the first backboard by dismountable structure.
The light conducting plate structure is fixed on the second backboard, and laser light source part is independently fixed on the first backboard, this
Sample is achieved that the independent control to laser radiating module, thoroughly eliminates shadow of the high-energy laser heat dissipation to guide-lighting plate part
It rings, improves the stability of system.The transduction pathway of light is as follows during light transmits：RGB optical-fiber laser is through three
Color laser mixes white light devices, becomes uniform white light, then changes the shape ovalisation of its emergent light spot through plus lens,
Then Bao Weier lens are incident in, after Bao Weier lens, light becomes uniform linear light source by point light source, is incident in leaded light
Plate；It is reflected by the plane of incidence 601 of the light guide plate with anti-reflection film and bottom reflection film group 801, through light guide plate bottom micro-structure
It is scattered back light guide plate 802, ultimately forms uniform white face light, by blast membrane system 803, even smooth film 804 and liquid crystal display
805 groups form colored display.
Fig. 2 is the side view of the second backboard of the present invention.It can be seen from the figure that laser injects Bao Wei by plus lens
You enter back into subsequent light conducting plate structure by lens.Light conducting plate structure includes light guide plate and successively in the face of light guide plate emergent ray
The blast membrane system that is equipped with, even smooth film；The laser entrance face of the light guide plate is equipped with anti-reflection film.Since three color laser of hexagonal prisms is mixed white
The outlet fibre diameter of electro-optical device is thicker, therefore emergent light spot is larger, and there is no formed to Bao Weier lens for circular light spot
Optimize launching spot.Plus lens is had to pass through thus, and the circular light spot of outgoing is become into ellipse and is laterally the light of long side
Spot.Elliptical spot becomes uniform line white light through Bao Weier lens entrances, by the point white light of outgoing, and emergent ray is parallel
In the side long side of light guide plate, in order to increase the incident interface with light guide plate, improve the light conversion efficiency of light source.Outgoing
The plane of incidence 601 with anti-reflection film of special of the white linear light through light guide plate enter light guide plate 802, then by subsequent
Guide-lighting module is projected via liquid crystal display, completes colored display.
Fig. 3 is the optic path schematic diagram in the mixed white light devices of hexagonal prisms redgreenblue optical-fiber laser in the present invention.
The right is incident optical in figure, and the left side is the output optical fiber.Three optical fiber 4401 of RGB laser, 4402,4403, coated crystalline substance
Body 4404 is welded into the optical fiber of a rough.Because although three color laser fibers weld together, but it is practical abundant there is no carrying out
Light mixing, and if without spot shaping, this certainly will form subsequent optical element such as plus lens dispersion, influence to show
Show the color of device.To improve the coupling efficiency and color of laser, ad hoc meter hexagonal prisms optical crystal is connect with the output optical fiber.Enter
The three color laser 4405,4406 and 4407 after hexagonal prisms are penetrated, it is equal to form mixing at light-emitting window 4408 for the reflection through multiple wall
Even white light.The effect of hexagonal prisms is exactly to pass through to increase multiple reflections face, and increase the effective cross-section of mixed light, reaches uniform
The purpose of mixed light.
Bao Weier lens are the important optical elements of another in the present invention, its effect is exactly by incident white point
Light source becomes uniform linear light source.The extended corners of Bao Weier lens is variable, and range is degree adjustable from 85 degree to 120, depending on institute's light requirement
Source brightness decision.And spacing and incident tilt adjustable of the plus lens with Bao Weier lens, the mesh of optimization outgoing is reached with it
's.
The light guide plate plane of incidence is the part of most critical on light guide plate, and the plane of incidence of the light guide plate is to be coated with entering for anti-reflection film
Face is penetrated, the coupling efficiency of laser and light guide plate can be effectively improved.
Embodiment 2：The left and right sides is illustrated in figure 4 to enter light and be the embodiment of one group of light source module per side.
To improve the total display brightness of display screen, it is necessary to increase incident number of light sources therewith.It may be used as shown in the figure
In the method for the equal entering light in the left and right of light guide plate.But it can be since incident linear light source be inside light guide plate in specific use
Distribution follows distinctive path, to further increase light conversion efficiency, to be carried out to the scattering point distributed architecture of light guide plate bottom
Optimization.For bilateral incident light guide plate, the Density Distribution of scattering micro-structural is intermediate closeer, and both sides are diluter.In this way to
The dilution for the extension formation of incident path is compensated.So that the light being emitted from light guide plate upper surface forms uniform face light
Source.
Embodiment 3：It is illustrated in figure 5 at left and right sides of light guide plate and enters light and be the embodiment of two groups of light source module groups per side.
The purpose of the present embodiment is to further increase brightness and the uniformity of display.As shown in the figure：It is not only guide-lighting hardened
Structure the right and left entering light, and each light source and corresponding optical component are all made of array.It leads in the present embodiment
It is two that same one side of tabula rasa is increased by an original white light source.
Embodiment 4：It is illustrated in figure 6 at left and right sides of light guide plate and enters optical module array light source module.
Using the optical component in the left and right ends of light guide plate it is respectively four in the present embodiment, but does not limit to
In four shown in figure, the number of optical component is used according to actual conditions.
Embodiment 5：It is illustrated in figure 7 the modular array formula light source module group of four side entering light of light guide plate,
The brightness of display but will further be enhanced in this way.As long as the micro-structure of light guide plate bottom is optimized,
The display demand of outdoor large screen can be met.
From above-described embodiment it can be seen that the light source module group of the present invention, light guide structure, plus lens and Bao Weier lens are equal
Using modular array formula structure, to allow the size of display to extend on a large scale.Wherein：Total size of display can
With cun adjustable from 5 cun to 100.And the display sizes of the modular unit in embodiment 1 can also extend from 5 cun to 55 cun,
The module that optimization is 10 cun, size determine needed for Vehicles Collected from Market.
Present invention design is extensible to be applied to other shapes of light guide plate, such as circle, can also be applied to irregular component
Shape back light system designs, and the display device made by above-mentioned back light system.
Not only laser point light source also uses modularization battle array using replaceable and detaching structure, guide-lighting plate part in the present invention
Column designs so that it is more easy to replace.When some Module Fail, the replacement that can be made good use of reduces the maintenance cost of system.
Although the present invention has been described by way of example and in terms of the preferred embodiments, they be not it is for the purpose of limiting the invention, it is any ripe
This those skilled in the art is known, without departing from the spirit and scope of the invention, can make various changes or retouch from working as, therefore the guarantor of the present invention
Shield range should be subject to what claims hereof protection domain was defined.
Claims (9)
1. a kind of modularization hexagonal prisms RGB optical-fiber laser mixes white light back lighting device, it is characterised in that：Including the first backboard
（1101）With the second backboard（901）；First backboard（1101）Fix one group of tri-color laser point light source（101,102,
103）, hexagonal prisms redgreenblue laser mix white light devices（201）；Second backboard（901）Fixed plus lens（401）、
Bao Weier lens（501）With light conducting plate structure（701）；One group of tri-color laser point light source（101,102,103）, one six
Prism redgreenblue laser mixes white light devices（201）, a plus lens（401）, a Bao Weier lens（501）Composition one
Group light source module group；
The tri-color laser point light source（101,102,103）Respectively red laser point light source, blue laser point light source,
Green (light) laser point light source；
The three colors laser point light source emits laser and is conveyed into the hexagonal prisms redgreenblue laser by optical fiber respectively to be mixed
White light devices（201）, white light devices are mixed by hexagonal prisms redgreenblue laser（201）The white laser of outgoing is passed by optical fiber
Transport to the plus lens（401）, through plus lens（401）The laser for emergent light spot shape be emitted after shaping is transmitted to
Bao Weier lens（501）, pass through Bao Weier lens（501）Laser is transmitted to as the light conducting plate structure with anti-reflection membrane structure afterwards
（701）；
Laser enters the mixed white light devices of the hexagonal prisms redgreenblue laser by optical fiber during above-mentioned laser transmission
（201）When, the three optical fiber fusion weldings arranged side by side that are connected respectively with three color laser point light sources enter hexagonal prisms at the optical fiber of a rough
Redgreenblue laser mixes white light devices（201）；The thick fiber outer surface coats quartz glass（4404）；
The hexagonal prisms redgreenblue laser mixes white light devices（201）Before and after by 6 pieces of identical rectangle glass and two pieces
Hold glass solder at hollow quartz glass hexagonal prisms；1 millimeter of hexagonal prisms wall thickness；Length is 2-8 centimetres；Table in the hexagonal prisms
Plate high-reflecting film layer in face.
2. a kind of modularization hexagonal prisms RGB optical-fiber laser according to claim 1 mixes white light back lighting device, feature
It is：It further include the radiator structure being mounted on the first backboard.
3. a kind of modularization hexagonal prisms RGB optical-fiber laser according to claim 1 mixes white light back lighting device, feature
It is：The laser point light source is semiconductor laser, and wherein the wavelength of red laser point light source is 625nm ~ 635nm, green
The wavelength of light laser point light source is 518nm ~ 522nm, and the wavelength of blue laser point light source is 430nm ~ 438nm.
4. a kind of modularization hexagonal prisms RGB optical-fiber laser according to claim 1 mixes white light back lighting device, feature
It is：Including at least two groups light source module group；The tri-color laser point light source of the light source module group（101,102,103）It is located at
Light guide plate（802）The left and right sides, and from both sides input laser.
5. a kind of modularization hexagonal prisms RGB optical-fiber laser according to claim 1 mixes white light back lighting device, feature
It is：Including at least two groups light source module group；The tri-color laser point light source of the light source module group（101,102,103）From light guide plate
（802）Four sides input laser.
6. a kind of modularization hexagonal prisms RGB optical-fiber laser according to claim 4 mixes white light back lighting device, feature
It is：The light conducting plate structure（701）Spliced as needed；The light conducting plate structure（701）Size is according to actual needs
It is adjusted.
7. a kind of modularization hexagonal prisms RGB optical-fiber laser according to claim 5 mixes white light back lighting device, feature
It is：The light conducting plate structure（701）Spliced as needed；The light conducting plate structure（701）Size is according to actual needs
It is adjusted.
8. a kind of modularization hexagonal prisms RGB optical-fiber laser according to claim 1-7 any claims mixes the white light back of the body
Electro-optical device, it is characterised in that：The light conducting plate structure（701）Including light guide plate（802）It is set with smooth surface is emitted in light guide plate successively
Some blast membrane systems（803）, even smooth film（804）；The laser entrance face of the light guide plate is equipped with anti-reflection film.
9. a kind of display device, it is characterised in that：It include a kind of modularization six as described in claim 1-8 any claims
Prism RGB optical-fiber laser mixes white light back lighting device（201）And display screen（805）；The display location is in light conducting plate structure
（701）Outermost end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721662698.9U CN207650522U (en) | 2017-12-04 | 2017-12-04 | Modularization hexagonal prisms RGB optical-fiber laser mixes white light back lighting device and display device |
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| CN201721662698.9U CN207650522U (en) | 2017-12-04 | 2017-12-04 | Modularization hexagonal prisms RGB optical-fiber laser mixes white light back lighting device and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089371A (en) * | 2017-12-04 | 2018-05-29 | 南京第五十五所技术开发有限公司 | Modularization hexagonal prisms RGB optical-fiber laser mixes white light back lighting device and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089371A (en) * | 2017-12-04 | 2018-05-29 | 南京第五十五所技术开发有限公司 | Modularization hexagonal prisms RGB optical-fiber laser mixes white light back lighting device and display device |
| CN108089371B (en) * | 2017-12-04 | 2024-04-12 | 南京第五十五所技术开发有限公司 | Modularized hexagonal prism red, green and blue optical fiber laser white light mixing backlight device and display device |
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