The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose a kind of gearshift luminescent panel, the cost of the gearshift luminescent panel is low.
It is another object of the present invention to propose a kind of automobile with above-mentioned gearshift luminescent panel.
Gearshift luminescent panel according to a first aspect of the present invention, including:Gearshift panel, the gearshift panel are provided with multiple
Shift symbol portion;Light guide panel, the light guide panel are located at the lower section of the gearshift panel;And single source, it is described single
Light source is located at the side of the light guide panel, and the light that the single source is sent is after the reflective surface of the light guide panel
The multiple shift symbol portion is incided to illuminate the multiple shift symbol portion.
According to the gearshift luminescent panel of the present invention, light guide panel is irradiated by using single source, it is possible to illuminate multiple
Shift symbol portion, compared with traditional setting plurality of LEDs lamp and multiple guide-lighting blocks, small power consumption, corresponding required radiating, circuit and
The design of structure etc. is simpler, so as to reduce cost, and improves the reliability of gearshift luminescent panel.
According to some embodiments of the present invention, the plane of incidence of the light through the light guide panel that the single source is sent shines
The reflecting surface is mapped to, the plane of incidence is formed as aspherical.
Further, the plane of incidence of the light guide panel is formed as double cone face.
Further, the face type of the plane of incidence of the light guide panel meets below equation:
Wherein, z is that z directions are identical with optical axis direction, and vertical light using the intersection point of the above-mentioned plane of incidence and optical axis of light guide panel as starting point
The axial direction of direction of principal axis is divided into x directions and y directions, and both direction is asymmetric;kx、kyThe respectively quadratic surface in x, y direction
Coefficient;cx、cyThe respectively minute surface curvature of centre in x, y direction,Wherein Rx、RyRespectively x, y direction
Minute surface center curvature radius.
According to some embodiments of the present invention, the light guide panel is provided with away from a side surface of the gearshift panel
Multiple stage portions, the multiple stage portion correspond up and down with the multiple shift symbol portion, each step cage structure
The light sent into the single source is totally reflected when passing through the stage portion and incides the corresponding shift symbol
Portion.
Alternatively, each stage portion has reflecting surface, and the reflecting surface is configured to the light that the single source is sent
Line is totally reflected when passing through the reflecting surface and incides the corresponding shift symbol portion.
Or alternatively, each stage portion includes the more height set gradually along the direction of illumination of the single source
Stage portion, each sub- stage portion include First terrace and the second step face being connected with each other, the First terrace with
One side surface of the direction of the light guide panel gearshift panel is parallel, the second step face and the First terrace it
Between into angle theta, the light that the single source is sent is totally reflected and impinged perpendicularly on when projecting the second step face
The corresponding shift symbol portion.
Alternatively, the angle theta phase between the second step face of the multiple sub- stage portion and the First terrace
It is same or different.
Alternatively, the θ meets:42°≤θ≤48°.
Alternatively, along the direction of illumination of the single source, between the multiple stage portion and the gearshift panel away from
From being gradually reduced.
Further, the light guide panel has planar portions on a side surface of the gearshift panel, described to put down
Face is between the first end and the multiple stage portion of the light guide panel.
Alternatively, the multiple row that the multiple shift symbol portion is included on the direction of illumination of the single source is changed
Symbol portion is kept off, the multiple stage portion is included in the multiple row stage portion on the direction of illumination of the single source, and more
The stage portion is arranged to correspond with shift symbol portion described in multiple row.
According to some embodiments of the present invention, two side walls of the light guide panel are respectively configured to the single source hair
The light gone out becomes directional light after side wall reflection and projected, wherein described two side walls are located at the light guide panel respectively
The side both sides.
Alternatively, two side walls of the light guide panel are respectively formed as parabolic surface.
According to some embodiments of the present invention, the light guide panel is optics plastic structure part.
According to some embodiments of the present invention, the single source is LED light source.
According to some embodiments of the present invention, each shift symbol portion is semi-transparent configuration.
Automobile according to a second aspect of the present invention, including the gearshift luminescent panel according to the above-mentioned first aspect of the present invention.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " axle
To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to the description present invention and simplifies description, rather than instruction or implies that signified device or element there must be specific side
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second "
It is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply the technical characteristic indicated by indicating
Quantity.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more spy
Sign.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The gearshift luminescent panel 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 6.
As shown in figs 1 to 6, the gearshift luminescent panel 100 of embodiment, including gearshift panel according to a first aspect of the present invention
1st, light guide panel 2 and single source 3.
Gearshift panel 1 is provided with multiple shift symbol portions 11, and multiple shift symbol portions 11 are intervally installed.Wherein, often
The implication in individual shift symbol portion 11 is different, for example, as shown in figure 1, shift symbol portion 11 " P " represents park position, shift symbol portion
11 " R " represent reverse gear, and shift symbol portion 11 " N " represents neutral gear, and shift symbol portion 11 " D " represents forward gear etc..Shown in Fig. 1
Seven shift symbol portions 11 for illustration purposes, but those of ordinary skill read following technical scheme it
Afterwards, it is clearly understood that and the program is applied to less than seven or in the technical scheme in more shift symbol portions 11, this
Fall under the scope of the present invention.It is understood that the specific number in shift symbol portion 11 and gearshift panel 1 on
Arrangement mode etc. can specifically be set according to actual requirement, preferably to meet actual requirement.
Light guide panel 2 is located at the lower section of gearshift panel 1, and light guide panel 2 covers all shift symbol portions 11.
Single source 3 is located at the side 21 (for example, left surface in Fig. 2 and Fig. 3) of light guide panel 2, now single source 3
It is located substantially at light guide panel 2 in same level, the light that single source 3 is sent is after the reflective surface of light guide panel 2
Multiple shift symbol portions 11 are incided to illuminate multiple shift symbol portions 11.Single source 3 lights for side, from light guide panel 2
Bearing of trend of the side 21 of above-mentioned one end along light guide panel 2 produces illuminating ray and projects all shift symbol portions 11,
So as to which all shift symbol portions 11 be illuminated.
Alternatively, single source 3 is LED light source, but not limited to this.For example, as shown in Figures 2 and 3, light guide panel 2
The side 21 of above-mentioned one end is provided with PCB, and (Printed Circuit Board, Chinese are printed circuit board, also known as track
Road plate) wiring board 5, PCB 5 places vertically, LED etc. can directly paster in PCB 5 and being located at PCB circuits
The side of the neighbouring light guide panel 2 of plate 5, it is side luminance to make LED, from the edge of side 21 of above-mentioned one end of light guide panel 2
The in-plane of light guide panel 2 and produce illuminating ray, wherein, the lighting angle of LED can be 120 °.
Thus, by setting such as single LED lamp can of single source 3 to meet the lighting requirements of gearshift panel 1, its structure
With circuit with it is traditional using plurality of LEDs lamp and multiple guide-lighting blocks compared with it is simpler, so as to reduce cost.
Gearshift luminescent panel 100 according to embodiments of the present invention, irradiate light guide panel 2 by using single source 3, so that it may
To illuminate multiple shift symbol portions 11, compared with traditional setting plurality of LEDs lamp and multiple guide-lighting blocks, small power consumption, it is corresponding needed for
Radiating, circuit and structure etc. design it is simpler, so as to reduce cost, and improve the reliable of gearshift luminescent panel 100
Property.
According to some embodiments of the present invention, the plane of incidence of the light through light guide panel 2 that single source 3 is sent is (i.e. above-mentioned
Side 21) reflecting surface is irradiated to, the above-mentioned plane of incidence of light guide panel 2 is formed as aspherical.For example, referring to Fig. 2 and combine Fig. 4-
Fig. 6, the above-mentioned plane of incidence of light guide panel 2 are formed as double cone face.
Specifically, x directions (for example, x directions shown in Fig. 3) joins with y directions (for example, y directions shown in Fig. 2)
Number is different, and the face type of the above-mentioned plane of incidence of light guide panel 2 meets equation below:
Wherein, z be using the above-mentioned plane of incidence of light guide panel 2 it is for example aspherical with the intersection point of optical axis as starting point, z directions and optical axis
Direction is identical, and the axial direction in vertical optical axis direction is divided into x directions and y directions, and both direction is asymmetric;kx、kyRespectively
X, the quadratic surface coefficient in y directions;
Wherein, cx、cyThe respectively minute surface curvature of centre in x, y direction,Wherein Rx、RyRespectively x,
The minute surface center curvature radius in y directions, the face type related parameter values of the above-mentioned plane of incidence of light guide panel 2 are as follows:
Type |
Rx |
kx |
Ry |
ky |
Face shape parameter |
1.580681 |
-2.544972 |
4 |
-21.277995 |
The light that light source 3 is sent, the above-mentioned plane of incidence by light guide panel 2 such as it is aspherical after shaping, x directions are carried out to it
On the light that sends it is full of whole flat board (as shown in Figure 3), the light sent on y directions makes it become directional light (such as Fig. 2
It is shown), to cause light utilization highest.
According to some embodiments of the present invention, as shown in figs 1 to 6, the side table away from gearshift panel 1 of light guide panel 2
Face (for example, lower surface in Fig. 2) is provided with multiple stage portions 22, multiple stage portions 22 with it is next in multiple shift symbol portions 11
One correspondence, now stage portion 22 is equal with the quantity in shift symbol portion 11, stage portion 22 preferably with shift symbol portion about 11 just
Right, each stage portion 22 is configured to be totally reflected and incided when the light that single source 3 is sent passes through stage portion 22 correspondingly
Shift symbol portion 11, thus, the light that single source 3 is sent can preferably be irradiated to shift symbol portion 11, make its generation
Illumination effect, so as to reach the guide-lighting purpose of light guide panel 2.
Alternatively, each stage portion 22 has a reflecting surface (not shown), and the reflecting surface is common reflecting surface, reflecting surface
It is configured to that corresponding shift symbol portion 11 is totally reflected and incided when the light that single source 3 is sent passes through the reflecting surface.
Certainly, as shown in figures 3 to 6, each stage portion 22 can also include the direction of illumination along light source 3 (for example, in Fig. 3
Direction from left to right) more sub- stage portions 221 for setting gradually, specifically, every sub- stage portion 221 includes being connected with each other
First terrace 2211 and second step face 2212, as shown in Fig. 2 First terrace 2211 and the direction of light guide panel 2 are changed
A side surface (for example, upper surface in Fig. 2) for catch face sheet 1 is parallel, between second step face 2212 and First terrace 2211
Into angle theta, the light that single source 3 is sent is totally reflected when projecting second step face 2212 and impinged perpendicularly on corresponding
Shift symbol portion 11.
Wherein, angle theta can meet:42 °≤θ≤48 °, now angle theta is at 45 ° ± 3 ° or so.Can be obvious from Fig. 2
Find out, the light that light source 3 is sent can be totally reflected behind second step face 2212 and be vertically projected to gearshift panel 1 upwards
In corresponding shift symbol portion 11, so as to which shift symbol portion 11 be lighted.
Alternatively, the angle theta between the second step face 2212 of more sub- stage portions 221 and First terrace 2211 can be with
Identical (as shown in Figure 2), thus, processing is simple and cost is low, and certainly, angle theta can also be different, so as to absorb multi-angle
Incident light.
In addition, it is multiple by the way that the quantity of sub- stage portion 221 is set, compared with stage portion 22 is conventional reflector face, such as
It if each reflecting surface makes 45 degree, can make it that the thickness of light guide panel 2 is larger, and make more sub- stage portions 221, angle
θ not only readily satisfies total reflection demand, and can effectively reduce the thickness of light guide panel 2.In addition, in practice due to incident light
With incidence angles degree, set more sub- stage portions 221 can this situation preferably, more effectively reflect, make light extraction evenly.
Alternatively, as shown in Fig. 2, Fig. 4 and Fig. 6, along the above-mentioned direction of illumination of single source 3, multiple stage portions 22 are with changing
The distance between catch face sheet 1 is gradually reduced, and now multiple stage portions 22 offset one from another in above-below direction, thus, is sent from light source 3
Light can be respectively radiated to each stage portion 22 and through stage portion 22 second step face 2212 reflect after project correspondingly
Shift symbol portion 11 on, so as to be effectively ensured the uniformity for the light for projecting multiple shift symbol portions 11, and then ensure
Illumination effect.
Further, as shown in Fig. 2-Fig. 6, the side surface for deviating from gearshift panel 1 of light guide panel 2 is (for example, in Fig. 2
Lower surface) on there are planar portions 23, planar portions 23 are located between the above-mentioned first end and multiple stage portions 22 of light guide panel 2,
Now direction of illumination of the planar portions 23 along light source 3 is located at the upstream of multiple stage portions 22.Thus, by setting planar portions 23, such as
Shown in Fig. 3, the light come in is entered from side to be moved ahead along planar portions 23.
Alternatively, multiple shift symbol portions 11 are included in the multiple row gearshift symbol on the direction of illumination of single source 3
Number portion 11, multiple stage portions 22 are included in the multiple row stage portion 22 on the direction of illumination of single source 3, and multiple row step
Portion 22 corresponds with multiple row shift symbol portion 11.Such as two row set in the lateral direction are shown in the example of fig. 1
The row stage portion 22 of shift symbol portion 11 and two.
According to some embodiments of the present invention, as shown in figure 3, two side walls 24 of light guide panel 2 are (for example, upper in Fig. 3
Side wall and lower wall) it is respectively configured to the light that single source 3 sends and becomes directional light after the reflection of side wall 24 to project, wherein
Two side walls 24 are respectively positioned at the both sides of the side 21 of light guide panel 2.Thus, two side walls 24 of light guide panel 2 can be by x side
Further shaping is carried out to the divergent rays that launch, is become after its total reflection before directional light continues along light guide panel 2
OK so that whole light guide panel 2 is full of light, so as to improve the utilization rate of light source 3.Alternatively, two sides of light guide panel 2
Wall 24 is respectively formed as parabolic surface, as shown in figure 3, two side walls 24 of light guide panel 2 are respectively formed as being directed away from each other
Direction protrusion convex surface.
According to a further embodiment of the invention, as shown in figure 1, gearshift luminescent panel 100 further comprises:Installed part 4,
It is each provided on installed part 4 formed with holding tank 41, light guide panel 2 and single source 3 in holding tank 41.Wherein, holding tank 41
Inner surface is smooth surface, and now the inner surface of holding tank 41 carries out smooth treatment, so as to be exhaled from light guide panel 2
The light gone is reflected back light guide panel 2 again, further improves the utilization rate of light source 3.Alternatively, installed part 4 is plastic cement knot
Component, but not limited to this.
Light guide panel 2 is the core parts of gearshift luminescent panel 100.Alternatively, light guide panel 2 is optics plastic structure
Part, for example, light guide panel 2 be optics PMMA (polymethyl methacrylate polymethyl methacrylates) plastic parts or
The material selection light PMMA plastic rubber materials or PC plastic rubber materials of PC (makrolon) plastic parts, now light guide panel 2.
According to some embodiments of the present invention, each shift symbol portion 11 is semi-transparent configuration, and remaining for panel 1 of shifting gears
Part is light tight.Diffusing reflection effect is produced when the light projected from light guide panel 2 passes through shift symbol portion 11 so that gearshift symbol
The light that number portion 11 is sent is more uniform.
Gearshift luminescent panel 100 according to embodiments of the present invention, gearshift is met using such as LED can of single source 3
The lighting requirements of panel 1, structure, circuit compare that traditional scheme is relatively simple, and cost can also decrease, moreover, by leading
The integrated design of optic panel 2 is handled the light that LED is sent, and installation is also fairly simple, improves reliability.In addition, this
The distribution in gearshift luminescent panel 100 and the shift symbol portion 11 of invention is with that apart from unrelated, can make shift symbol portion 11 uniformly send out
Light, limitation is small, applied widely.
The automobile (not shown) of embodiment according to a second aspect of the present invention, including it is real according to the above-mentioned first aspect of the present invention
Apply the gearshift luminescent panel 100 of example.
Automobile according to embodiments of the present invention, by using above-mentioned gearshift luminescent panel 100, improve the entirety of automobile
Performance.
Gearshift luminescent panel 100 according to embodiments of the present invention and other compositions of automobile and operation are general for this area
All it is known for logical technical staff, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.