CN204962622U - On -vehicle new line display instrument and light source system thereof - Google Patents

On -vehicle new line display instrument and light source system thereof Download PDF

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CN204962622U
CN204962622U CN201520661570.5U CN201520661570U CN204962622U CN 204962622 U CN204962622 U CN 204962622U CN 201520661570 U CN201520661570 U CN 201520661570U CN 204962622 U CN204962622 U CN 204962622U
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light
backlight
source system
face
new line
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凌莉
吴益锋
李明
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BYD Co Ltd
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BYD Co Ltd
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Abstract

For solving lower, relatively poor some more complicated problems of structure of some homogeneities of some utilization ratioes of light source system in the current on -vehicle new line display instrument, the utility model provides an on -vehicle new line display instrument and light source system thereof. A light source system of on -vehicle new line display instrument, is including board and the spotlight base plate of being shaded, integrated into one piece has a plurality of spotlight parts that are array distribution on the spotlight base plate, it has a plurality of backlights to be the array welding on the board in a poor light, the backlight with spotlight parts one -to -one sets up, the spotlight parts are a bowl type, are in including the plain noodles of inciding, outgoing plain noodles and setting complete reflective surface between incident plain noodles and the outgoing plain noodles, wherein, the outgoing plain noodles with the incident light is personally submitted circularly, and outgoing plain noodles on the adjacent spotlight parts is two double -phase eager. The utility model discloses a light source system is showing the smooth utilization ratio that has improved the new line display instrument, and light source system's smooth utilization ratio is up to 85%. Its structure is also simple relatively, with low costs.

Description

A kind of vehicle-mounted new line display instrument and light-source system thereof
Technical field
The utility model relates to vehicle-mounted new line display instrument field, the light-source system field especially on it.
Background technology
Be arranged on the new line display instrument (English abbreviation: HUD, English full name: HeadUpDisplay) on automobile at present.Main employing transmission display panel, the light transmission transmission liquid crystal screen sent from the backlight light-source system after front windshield reflection on subsequent optical element and automobile, the loss late of light is more than 99%, in the whole light path system of HUD, improve minute surface, front windshield or LCDs to the loss poor effect reducing light, limitation is larger.
For improving LCDs to the utilization rate of light, that commonly uses at present has three kinds of methods: the first is the distance shortening light-source system and display screen, makes the light of light source almost can arrive display screen.The remarkable shortcoming of this method is, the non-constant of uniformity, and when backlight exceedes certain brightness, display screen occurs black hole due to the too high centre of temperature.Second method pastes a planoconvex spotlight before each backlight, and on the shell between backlight to LCDs, increase reflectance coating, the simpler low cost of manufacture of the method structure, and make the illumination of LCDs larger.But beam projecting angle can not be gathered by the method, light is after reflecting film reflects, large with the angle of main shaft, rising angle is generally more than 50 °, this lightlike line is most loss after speculum and front windshield, cannot human eye be arrived, this means that the overall utilization rate of light can reduce, little to the light utilization efficiency effect improving whole light path system.The third method is, each backlight encloses by the pipe being first coated with reflective membrane with elongated inwall, above pipe, then add optically focused and the even lens of light.There is repeatedly mirror-reflection in light, the shooting angle of light reduces in the pipe being coated with reflectance coating, and from pipe, rays pass through lens is out by optically focused and homogenising, therefore the light being irradiated to LCDs is the uniform beam less with main shaft angle.This method makes to be irradiated to liquid crystal display light frequently close to collimated ray, can improve the utilization rate of whole system to light, but light in pipe through repeatedly mirror-reflection, loss is comparatively large, and utilization rate is low, and complex structure, and manufacturing cost is high.
Utility model content
For solving the problem of the poor complicated structure had of utilization rate uniformity that is lower, that have that existing vehicle-mounted new line display instrument inner light source system has, the utility model provides the vehicle-mounted new line display instrument and light-source system thereof that a kind of structure is simple, utilization rate is high, uniformity is good.
The utility model provides a kind of light-source system of vehicle-mounted new line display instrument on the one hand, comprises backlight and converging substrate; The one-body molded some light concentrating components had in array distribution on described converging substrate; Described backlight has some backlights in array distribution, and described backlight and described light concentrating components one_to_one corresponding are arranged;
Described light concentrating components is bowl-type, the fully reflecting surface comprising incident light plane, emergent light face and be arranged between described incident light plane and emergent light face;
Described incident light plane and emergent light face are plane; The center of described incident light plane is provided with the shrinkage pool to described emergent light face depression, and the bottom of described shrinkage pool is provided with convergence face;
Described convergence face and described fully reflecting surface are conic section and rotate the quadratic surface formed;
Described backlight is arranged on the center of described incident light plane, its light sent is injected in the center shrinkage pool of incident light plane on corresponding light concentrating components, wherein, some light after the described convergence face in this shrinkage pool is converged from described emergent light face outgoing, some light after described fully reflecting surface reflection from described emergent light face outgoing;
Wherein, described emergent light face and described incident light plane rounded, the emergent light face on adjacent light concentrating components is tangent between two.
Light-source system disclosed in the utility model, because it comprises the backlight in array distribution and the light concentrating components of corresponding setting, its light concentrating components is bowl-type, the fully reflecting surface comprising incident light plane, emergent light face and arrange between incident light plane and emergent light face, and shrinkage pool is set on incident light plane, in this shrinkage pool, convergence face is set; And make the emergent light face on adjacent light concentrating components tangent between two.So, the light that on backlight, shooting angle is less will by this convergence face optically focused, and the larger light of shooting angle will be gathered after the total reflection of this fully reflecting surface, homogenising, light after this light concentrating components optically focused, its shooting angle (emergent ray and primary optical axis angle) is less than 15 °.Emergent light face in the application on adjacent light concentrating components is tangent (namely adjacent light concentrating components is close to) between two, it is even that the light illumination that can make to project on LCDs after converging substrate is set like this, without blackening, the brightness of image that user is seen is consistent, there will not be the image that light and shade is different.The uniformity of further raising light.Researcher is when analyzing its transmission display panel surface illuminance, and result of the test also shows that its emergent ray is more even, and meanwhile, also significantly increase the light utilization efficiency of new line display instrument, the light utilization efficiency of light-source system is up to 85%.Its structure is also relatively simple, and cost is low.
Preferably, described convergence face, fully reflecting surface are the one in taper seat, elliptic cone, ellipsoid, paraboloid.
Preferably, described backlight is provided with holddown groove, and described converging substrate is arranged in described holddown groove.
Preferably, described converging substrate is provided with limited post, limiting plate and locating dowel;
Described limited post and described limiting plate, between described backlight and converging substrate, limit the distance between described converging substrate and described backlight; Described backlight is provided with locating hole; Locating dowel on described converging substrate coordinates with described locating hole.
Preferably, described converging substrate comprises first surface and second surface;
Described some light concentrating components in array distribution are arranged on the first surface, and described second surface is provided with even photo structure.This even photo structure is set, its light homogenising more can be made.
Preferably, described even photo structure is included in the strip micro-protrusions in array distribution on described second surface; The cross section semicircular in shape of described strip micro-protrusions, triangle or trapezoidal shape.
Preferably, the material of described converging substrate is the one of PMMA, PC or COC.
The utility model second aspect provides a kind of vehicle-mounted new line display instrument, comprises light-source system, negative phototropic cover and transmission display panel; Described light-source system and described transmission display panel are arranged in front and back in light path, lay respectively at described negative phototropic cover two ends;
The light that in described backlight, backlight sends is uniform after this converging substrate, for described transmission display panel provides evenly highlighted backlight.
Vehicle-mounted new line display instrument disclosed in the utility model, because it comprises above-mentioned light-source system, therefore, its new line display instrument emergent ray is more even, and light utilization efficiency is higher.Its structure is also relatively simple, and cost is low.
Preferably, the distance between described transmission display panel and described backlight is 20-40mm.
Preferably, described negative phototropic cover is provided with light hole; Described light hole is divided into front-end and back-end according to the incident direction of light;
The front end of described light hole is provided with substrate mounting groove, and described converging substrate is arranged in described substrate mounting groove;
Described negative phototropic cover and described backlight are equipped with screw; Described negative phototropic cover and described backlight are coordinated by a screw and described screw, are fixed on by described converging substrate in described substrate mounting groove;
Described transmission display panel is positioned at the rear end of described light hole.
Accompanying drawing explanation
Fig. 1 is the vehicle-mounted new line display instrument decomposing schematic representation provided in the utility model detailed description of the invention;
Fig. 2 is the vehicle-mounted new line display instrument generalized section provided in the utility model detailed description of the invention;
Fig. 3 is the converging substrate generalized section provided in the utility model detailed description of the invention;
Fig. 4 is the converging substrate schematic perspective view provided in the utility model detailed description of the invention;
Fig. 5 is the light concentrating components generalized section provided in the utility model detailed description of the invention;
Fig. 6 is the vehicle-mounted new line display instrument light path principle figure provided in the utility model detailed description of the invention.
Wherein, 1, light concentrating components; 2, converging substrate; 3, transmission display panel; 4, backlight; 5, backlight; 6, negative phototropic cover; 11, emergent light face; 12, incident light plane; 13, shrinkage pool; 14, fully reflecting surface; 15, face is converged; 16, cylinder; 21, locating dowel; 22, limited post; 23, limiting plate; 24, even photo structure; 61, light hole; 62, screw; 63, substrate mounting groove.
Detailed description of the invention
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1
The utility model provides a kind of light-source system of vehicle-mounted new line display instrument on the one hand, as shown in Figure 1 and Figure 2, comprises backlight 5 and converging substrate 2; As shown in Fig. 3, Fig. 4, the one-body molded some light concentrating components 1 had in array distribution on described converging substrate 2; Described backlight 5 has some backlights 4 in array distribution, and described backlight 4 is arranged with described light concentrating components 1 one_to_one corresponding;
As shown in Figure 5, described light concentrating components 1 is bowl-type, the fully reflecting surface 14 comprising incident light plane 12, emergent light face 11 and be arranged between described incident light plane 12 and emergent light face 11;
Described incident light plane 12 and emergent light face 11 are plane; The center of described incident light plane 12 is provided with the shrinkage pool 13 caved in described emergent light face 11, and the bottom of described shrinkage pool 13 is provided with convergence face 15;
Described convergence face 15 and described fully reflecting surface 14 are conic section and rotate the quadratic surface formed;
Described backlight 4 is arranged on the center of described incident light plane 12, its light sent is injected in the center shrinkage pool 13 of incident light plane 12 on corresponding light concentrating components 1, wherein, some light after the described convergence face 15 in this shrinkage pool 13 is converged from described emergent light face 11 outgoing, some light after described fully reflecting surface 14 reflects from described emergent light face 11 outgoing;
Wherein, described emergent light face 11 and described incident light plane 12 rounded, the emergent light face 11 on adjacent light concentrating components 1 is tangent between two.
Wherein, described backlight 4 is a kind of light sources, be generally LED (Chinese full name: light emitting diode, English full name: LightEmittingDiode) or Cold Cathode Fluorescent fluorescent tube (English full name: ColdCathodeFluorescentLamp, English is write a Chinese character in simplified form: CCFL).The material of backlight 5 is glass, or pottery.This backlight 4 is generally welded in this backlight 5.
Described backlight 4 is arranged on the center of described incident light plane 12; Described convergence face 15 and described fully reflecting surface 14 are conic section and rotate the quadratic surface formed; This conic section (or claiming conic section) can be ellipse, hyperbola, parabola etc., and under the rectangular coordinate system (x, y) on cross section, the equation of these curves is x, the binary quadratic equation of y: ax 2+ abxy+cy 2+ 2dx+2ey+f=0.Wherein, so-called quadratic surface comprises taper seat, elliptic cone, ellipsoid, paraboloid etc.Namely described convergence face 15, fully reflecting surface 14 are the one in taper seat, elliptic cone, ellipsoid, paraboloid.Because quadratic surface presses close to the characteristic surface of light source luminescent more, therefore quadratic surface spotlight effect is more excellent.Find in researcher's R&D process, convergence face 15 and fully reflecting surface 14 all adopt the one in taper seat, elliptic cone, ellipsoid, paraboloid, and the light utilization efficiency of its light-source system is up to 85%.
So-called emergent light face 11 and described incident light plane 12 rounded, be explained as follows: its rounded easy understand in emergent light face 11, repeats no more herein.Because incident light plane 12 is provided with shrinkage pool 13, its monnolithic case of the rounded finger of incident light plane 12 is circular.
Wherein, so-called described backlight 4 is arranged on the center of described incident light plane 12, refers to that the light-emitting area of backlight 4 and this incident light plane 12 are in same plane, meanwhile, and the light-emitting area of backlight 4 and the center superposition of shrinkage pool 13.The lighting angle (lighting angle is the angle of luminous intensity folded by the light of 50%) of backlight 4 is general in 60-180 °.Such as 120 °.
The some light (major part) that described backlight 4 sends is from described emergent light face 11 outgoing after described fully reflecting surface 14 reflects, and part from described emergent light face 11 outgoing, is used for reinforcement central light strength after the convergence face 15 in this shrinkage pool 13 is converged.So, the light that each backlight 4 sends is gathered respectively in the light concentrating components 1 corresponding with it, and homogenising, beam exit angle (emergent ray and primary optical axis angle) after its light concentrating components 1 optically focused is less than 15 °, light concentrating components 11 emergent light face 11 is circular, and form tangent relation between adjacent emergent light face 11, reduce the field of illumination of non-concentrating parts 1 correspondence, make transmission display panel 3 receives uniform light.This patent is for the transmission display panel 3 of HUD provides backlight, and require the uniform-illumination projecting transmission display panel 3 glazed thread, the brightness of image that user is seen is consistent, there will not be the image that light and shade is different.The little light source utilization rate that can improve HUD system of rising angle.Due to the restriction of appearance and size, generally install transmission display panel 3 at distance backlight 4 apart from 20-40mm place, require the uniform light projected on transmission display panel 3, rising angle is less than 20 °.The optically focused decorum of this patent achieves this two targets, and form a uniform rectangle clear zone in LCDs installation place, rising angle is less than 15 °.If there is gap between light concentrating components 1, when research staff sends out present range backlight 20-40mm scope, can dark space be produced, cause the light that incides on transmission display panel 3 uneven.Therefore, its relation adopting adjacent incident light plane 12 tangent is between two required in this example.
As shown in Figure 5, the size of this light concentrating components 1 is not particularly limited, and technical staff specifically can be arranged according to the size of backlight 4 and to the requirement of spotlight effect and uniformity.Only make example below to illustrate, in this example, the diameter of its incident light plane 12 is about 2.5-2.6mm, such as 2.58mm; The diameter in its emergent light face 11 is about 8-10mm, such as 8mm.Distance between incident light plane 12 to emergent light face 11 is about 4-7mm, such as 4.8mm.Wherein, as shown in Figure 3, Figure 4, the fully reflecting surface 14 in this example and between emergent light face 11 be also connected have a cylinder 16, the height of this cylinder 16 is 0.2-2mm, such as 0.5mm.
Size and the backlight 4 of above-mentioned shrinkage pool 13 are suitable, with this backlight 4 quite or slightly larger than this backlight 4, such as, backlight 4 is of a size of 1 × 1mm, and the diameter of this shrinkage pool 13 is about 1.8-2.5mm; 2mm is set in this example; The hole depth of this shrinkage pool 13 is about 1.5-3mm, is specially 1.83mm in this example.
In this example, as shown in Figure 3, Figure 4, described some light concentrating components 1 in array distribution are one-body molded with described converging substrate 2, this converging substrate 2 one aspect can as the matrix of light concentrating components 1, meanwhile, and can also as insulation board, play the effect reducing calorie spread between backlight 4 and transmission display panel 3, possess certain heat-blocking action, make the temperature of transmission display panel 3 within working range, prevent from causing unnecessary impact to transmission display panel 3.
About the fixed form of this converging substrate 2, can be fixed on the negative phototropic cover 6 mentioned in example 2, this kind of mode will carry out specific explanations explanation in example 2, omit herein, or, holddown groove can be provided with in described backlight 5, described converging substrate 2 is arranged in described holddown groove, so, first this converging substrate 2 is fixed in backlight 5, then this backlight 5 is fixed on negative phototropic cover 6.
Wherein, the material of described converging substrate 2 is that (formal name used at school is polymethyl methacrylate to PMMA, be commonly called as acrylic or lucite), one in PC (formal name used at school is Merlon, English full name: Polycarbonate) or COC (cyclic olefine copolymer).Preferred employing PMMA makes.
Wherein, as shown in Figure 4, Figure 5, when this converging substrate 2 and backlight 5 are installed, need to its location and spacing, adopt following scheme in this example:
Described converging substrate 2 is provided with limited post 22, limiting plate 23 and locating dowel 21;
Described limited post 22 and described limiting plate 23, between described backlight 5 and converging substrate 2, limit the distance between described converging substrate 2 and described backlight 5; Described backlight 5 is provided with locating hole; Locating dowel 21 on described converging substrate 2 coordinates with described locating hole.
This limited post 22 is identical with the height of limiting plate 23, plays a part spacing and supports, to ensure that the distance between converging substrate 2 and backlight 5 is fixed.The height of this locating dowel 21 is higher compared with the height of the limiting plate 23 of limited post 22, and therefore, it can insert in the locating hole in backlight 5, realizes positioning function.
In this example, the number of locating dowel 21, limited post 22 and limiting plate 23 does not limit, and can be 1 or multiple, preferably more than 2, in this example, be provided with two locating dowels 21, arrange in diagonal angle; Be provided with two limited posts 22, also arrange in diagonal angle.Wherein, be provided with 2 limiting plates 23, as Figure 1 and Figure 4, in arranging perpendicular to before and after paper direction.
As preferred mode, as shown in the figure, described converging substrate 2 comprises first surface and second surface;
Described some light concentrating components 1 in array distribution arrange on the first surface, and described second surface is provided with even photo structure 24.This even photo structure 24 is set, its light homogenising more can be made.
Particularly, described even photo structure 24 disclosed in this example is included in the strip micro-protrusions in array distribution on described second surface; The cross section semicircular in shape of described strip micro-protrusions, triangle or trapezoidal shape.In such as this example, the cross section of illustrated strip micro-protrusions is trapezoidal.Be the groove of shape triangular in shape between this strip micro-protrusions, the degree of depth of this groove is 0.8-1.2mm, and width is 0.5-1.5mm; The long hem width degree of this strip micro-protrusions upper trapezoid is 1-1.5mm, and the minor face width of this strip micro-protrusions upper trapezoid is 0.3-0.8mm.
Adopt this light-source system and vehicle-mounted new line display instrument of applying for providing, its simulation result as shown in Figure 6, can find, the light be incident upon on transmission display panel 3 is very even, and shooting angle is little, without blackening.
To sum up, the disclosed light-source system of this example, because it comprises the backlight 4 in array distribution and the light concentrating components 1 of corresponding setting, its light concentrating components 1 is in bowl-type, the fully reflecting surface 14 comprising incident light plane 12, emergent light face 11 and arrange between incident light plane 12 and emergent light face 11, and shrinkage pool 13 is set on incident light plane 12, in this shrinkage pool 13, convergence face 15 is set; And make the emergent light face 11 on adjacent light concentrating components 1 tangent between two.So, the light that on backlight 4, shooting angle is less will by this convergence face 15 optically focused, and the larger light of shooting angle will be gathered after being totally reflected by this fully reflecting surface 14, homogenising, light after this light concentrating components 1 optically focused, its shooting angle (emergent ray and primary optical axis angle) is less than 15 °.Emergent light face 11 in the application on adjacent light concentrating components 1 is tangent (namely adjacent light concentrating components 1 is close to) between two, it is even that the light illumination that can make to project on LCDs after converging substrate 2 is set like this, without blackening, the brightness of image that user is seen is consistent, there will not be the image that light and shade is different.The uniformity of further raising light.Researcher is when analyzing its transmission display panel 3 surface illuminance, and result of the test also shows that its emergent ray is more even, and meanwhile, also significantly increase the light utilization efficiency of new line display instrument, the light utilization efficiency of light-source system is up to 85%.Its structure is also relatively simple, and cost is low.
Embodiment 2
As shown in Figure 1 and Figure 2, this example provides a kind of vehicle-mounted new line display instrument, comprise light-source system, negative phototropic cover 6 and transmission display panel 3; Described light-source system and described transmission display panel 3 are arranged in front and back in light path, lay respectively at described negative phototropic cover 6 two ends;
Wherein, the light-source system of this light-source system for providing in embodiment 1, the light that in described backlight 5, backlight 4 sends is uniform after this converging substrate 2, for described transmission display panel 3 provides evenly highlighted backlight.
Wherein, described negative phototropic cover 6 is provided with light hole 61; Described light hole 61 is divided into front-end and back-end according to the incident direction of light; So-called front end, namely refer to the below in illustrating in this example, namely rear end refers to the top in diagram;
The front end of described light hole 61 is provided with substrate mounting groove 63, and described converging substrate 2 is arranged in described substrate mounting groove 63; Particularly, the lower end of this negative phototropic cover 6 forms the shape larger than upper end size, arranges stair-stepping substrate mounting groove 63 in this lower end;
Described negative phototropic cover 6 and described backlight 5 are equipped with screw; Described negative phototropic cover 6 and described backlight 5 are coordinated by a screw 62 and described screw, are fixed on by described converging substrate 2 in described substrate mounting groove 63;
Described transmission display panel 3 is positioned at the rear end of described light hole 61, the top namely in diagram.Transmission display panel 3 is generally also provided with governor motion, is used for carrying out angular adjustment to transmission display panel 3.This is conventionally known to one of skill in the art, repeats no more.
Meanwhile, vehicle-mounted new line display instrument generally also comprises other light path or parts.All the mode of well known to a person skilled in the art can be adopted about above-mentioned negative phototropic cover 6, other light path or parts.Only its light-source system is improved in this example, and this light-source system does specific explanations explanation in embodiment 1, therefore, repeated no more.
About transmission display panel 3, (LCOS (the Chinese full name: silicon liquid crystal of half-reflection and half-transmission formula can be such as also had for transmissive liquid crystal display screen or other display devices, English full name: liquid-crystal-on-silicon) display screen, reflective DLP (English full name: DigitalLightProcession, Chinese full name: digital light process) display screen).
In this example, the distance between described transmission display panel 3 and described backlight 5 is 20-40mm.Concrete, according to the converging substrate 2 of different size, the distance between its transmission display panel 3 from described backlight 5 is different, and its distance can be carried out analogue simulation and be drawn after theoretical calculate, is the shape and size of its negative phototropic cover 6 of specific design after drawing.
The disclosed vehicle-mounted new line display instrument of this example, because it comprises above-mentioned light-source system, therefore, its new line display instrument emergent ray is more even, and light utilization efficiency is higher.Its structure is also relatively simple, and cost is low.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a light-source system for vehicle-mounted new line display instrument, is characterized in that, comprises backlight and converging substrate; The one-body molded some light concentrating components had in array distribution on described converging substrate; Described backlight has some backlights in array distribution, and described backlight and described light concentrating components one_to_one corresponding are arranged;
Described light concentrating components is bowl-type, the fully reflecting surface comprising incident light plane, emergent light face and be arranged between described incident light plane and emergent light face;
Described incident light plane and emergent light face are plane; The center of described incident light plane is provided with the shrinkage pool to described emergent light face depression, and the bottom of described shrinkage pool is provided with convergence face;
Described convergence face and described fully reflecting surface are conic section and rotate the quadratic surface formed;
Described backlight is arranged on the center of described incident light plane, its light sent is injected in the center shrinkage pool of incident light plane on corresponding light concentrating components, wherein, some light after the described convergence face in this shrinkage pool is converged from described emergent light face outgoing, some light after described fully reflecting surface reflection from described emergent light face outgoing;
Wherein, described emergent light face and described incident light plane rounded, the described emergent light face on adjacent light concentrating components is tangent between two.
2. light-source system according to claim 1, is characterized in that, described convergence face, fully reflecting surface are the one in taper seat, elliptic cone, ellipsoid, paraboloid.
3. light-source system according to claim 1, is characterized in that, described backlight is provided with holddown groove, and described converging substrate is arranged in described holddown groove.
4. light-source system according to claim 1, is characterized in that, described converging substrate is provided with limited post, limiting plate and locating dowel;
Described limited post and described limiting plate, between described backlight and converging substrate, limit the distance between described converging substrate and described backlight;
Described backlight is provided with locating hole; Locating dowel on described converging substrate coordinates with described locating hole.
5. light-source system according to claim 1, is characterized in that, described converging substrate comprises first surface and second surface;
Described some light concentrating components in array distribution are arranged on the first surface, and described second surface is provided with even photo structure.
6. light-source system according to claim 5, is characterized in that, described even photo structure is included in the strip micro-protrusions of array distribution on described second surface, the cross section semicircular in shape of described strip micro-protrusions, triangle or trapezoidal shape.
7. light-source system according to claim 1, is characterized in that, the material of described converging substrate is the one of PMMA, PC or COC.
8. a vehicle-mounted new line display instrument, comprises light-source system, negative phototropic cover and transmission display panel; Described light-source system and described transmission display panel are arranged in front and back in light path, lay respectively at described negative phototropic cover two ends;
It is characterized in that, described light-source system is the light-source system in claim 1-7 described in any one; The light that in described backlight, backlight sends is uniform after this converging substrate, for described transmission display panel provides evenly highlighted backlight.
9. vehicle-mounted new line display instrument according to claim 8, is characterized in that, the distance between described transmission display panel and described backlight is 20-40mm.
10. vehicle-mounted new line display instrument according to claim 9, it is characterized in that, described negative phototropic cover is provided with light hole; Described light hole is divided into front-end and back-end according to the incident direction of light;
The front end of described light hole is provided with substrate mounting groove, and described converging substrate is arranged in described substrate mounting groove;
Described negative phototropic cover and described backlight are equipped with screw; Described negative phototropic cover and described backlight are coordinated by a screw and described screw, are fixed on by described converging substrate in described substrate mounting groove;
Described transmission display panel is positioned at the rear end of described light hole.
CN201520661570.5U 2015-08-28 2015-08-28 On -vehicle new line display instrument and light source system thereof Active CN204962622U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021147734A1 (en) * 2020-01-21 2021-07-29 华域视觉科技(上海)有限公司 Headlight module, headlight, and vehicle
CN115220233A (en) * 2022-07-28 2022-10-21 浙江炽云科技有限公司 HUD backlight system, design method, head-up display system and vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021147734A1 (en) * 2020-01-21 2021-07-29 华域视觉科技(上海)有限公司 Headlight module, headlight, and vehicle
US11933467B2 (en) 2020-01-21 2024-03-19 Hasco Vision Technology Co., Ltd. Headlight module, headlight, and vehicle
CN115220233A (en) * 2022-07-28 2022-10-21 浙江炽云科技有限公司 HUD backlight system, design method, head-up display system and vehicle

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