CN203273610U - Automotive high-mounted stop lamp - Google Patents
Automotive high-mounted stop lamp Download PDFInfo
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- CN203273610U CN203273610U CN2013201769021U CN201320176902U CN203273610U CN 203273610 U CN203273610 U CN 203273610U CN 2013201769021 U CN2013201769021 U CN 2013201769021U CN 201320176902 U CN201320176902 U CN 201320176902U CN 203273610 U CN203273610 U CN 203273610U
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- Prior art keywords
- lgp
- light
- stop lamp
- mount stop
- recessed
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
- B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/005—Lighting devices or systems producing a varying lighting effect using light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides an automotive high-mounted stop lamp. The automotive high-mounted stop lamp can light to emit planar light like planar light wholly emitted from an emitting face of an area light source instead of non-continuous linear light. The automotive high-mounted stop lamp (1) uses an edge lighting method, and light-emitting units (3a and 3b) are laterally arranged on the two lateral sides of a light guide plate (2). The light guide plate (2) comprises an emitting face (2d), a bottom face (2c) corresponding to the emitting face (2d) and incidence end face (2a and 2b) enabling light emitted from the light emitting units (3a and 3b) to be incident. The guide light plate (2) comprises a plurality of concave stripes (6) and a plurality of convex stripes (7), wherein the concave stripes are formed on the bottom surface at the set distance and parallel to the X-axis direction, the convex stripes are formed on the emitting face (2d) at the set distance and parallel to the Y-axis direction, the sections of the concave stripes (6) are in V shapes, the top corners of each concave stripe (6) is in a range between 50 degrees to 100 degrees, and the sections of the convex stripes (7) are in double-convex-lens shapes or trapezoid shapes or parabolic shapes.
Description
Technical field
The utility model relates to the vehicle high-mount stop lamp (high mount stop lamp) at the rear portion that is arranged on automobile (vehicle).
Background technology
When stepping on brake pedal for this car in travelling is braked, in order to improve the visuognosis of lighting to the brake lamp of follow-up vehicle outgoing, at vehicle rear, high-mount stop lamp is set.As the light source of high-mount stop lamp, be widely used in recent years the few LED of power consumption (light emitting diode) to replace bulb (for example with reference to patent documentation 1).
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2010-21082 communique.
The utility model content
In using the high-mount stop lamp of LED light source shown in patent documentation 1 as described, configure at certain intervals a plurality of LED along the overall width direction, with trampling of brake pedal, LED is lighted.Therefore, because each LED lights with the state of spot light, therefore in the situation that the whole observation high-mount stop lamp becomes discontinuous Line of light, even also not preferred in aesthetic.
Therefore, the purpose of this utility model be to provide a kind of can outgoing when lighting as area source from the whole planar light of outgoing of exit facet but not the vehicle high-mount stop lamp of discontinuous Line of light.
for achieving the above object, the related vehicle high-mount stop lamp of the described the utility model of technical scheme 1 is the vehicle high-mount stop lamp of edge light mode, at least one side at LGP arranges primary source, described LGP has exit facet, with the opposed bottom surface of this exit facet, and make from the incident end face of the light incident of the described primary source outgoing that is located at least one side, described vehicle is characterised in that with high-mount stop lamp, the normal of the X-Y plane that will consist of by X-axis with the Y-axis of X-axis quadrature is as Z axis, described primary source and X-axis configured in parallel, described LGP and described X-Y plane configured in parallel, the incident end face of described LGP and X-Z plane parallel, described LGP has in described bottom surface a plurality of recessed the form parallel with X-direction that forms with both determining deviations, and a plurality of raised line forms parallel with Y direction that form with both determining deviations at described exit facet, it is the V font that described recessed form forms the cross section, drift angle is in the scope of 50 °～100 °, it is biconvex lens (lenticular lens) shape or trapezoidal shape or parabolic shape that described raised line form forms the cross section.
The described vehicle of technical scheme 2 is characterised in that with high-mount stop lamp, has catoptrical reflector plate at the bottom surface side of described LGP, has optical sheet in the exit facet side of described LGP.
The effect of utility model
According to the utility model, by the planar light of exit facet outgoing from LGP, can provide a kind of vehicle high-mount stop lamp of lighting of can carrying out that Line of light as discontinuous in prior art can't obtain, attractive in appearancely.
Description of drawings
Fig. 1 is the exploded perspective view of high-mount stop lamp that the edge light mode of embodiment of the present utility model is shown;
Fig. 2 is the top view of high-mount stop lamp that the edge light mode of embodiment of the present utility model is shown;
Fig. 3 is the A-A line sectional view of Fig. 2;
Fig. 4 is the stereogram that the vehicle (automobile) that comprises high-mount stop lamp of the present utility model is shown;
Fig. 5 is that the cross section that the bottom surface at the LGP of high-mount stop lamp in embodiment of the present utility model forms is shown is the figure of recessed of V font;
Fig. 6 illustrates light to be incident to the cross section that the bottom surface side at the LGP of high-mount stop lamp in embodiment of the present utility model forms is the inclined-plane of recessed of V font, and reflexes to the figure of the situation of exit facet side;
Fig. 7 is the figure that the state that the high-mount stop lamp in embodiment of the present utility model lights is shown;
Fig. 8 illustrates the light beam of outgoing to the angular aperture with respect to the figure from the measurement result of the ratio of the full outgoing beam of the exit facet outgoing of LGP;
Fig. 9 be illustrate when the high-mount stop lamp of present embodiment is lighted, at the figure of the measurement result of the light distribution of the emergent light of the exit facet direction of the central authorities of LGP.
Description of reference numerals
1 high-mount stop lamp; 2 LGPs; The 2c bottom surface; The 2d exit facet; 3a, 3b luminescence unit; 4 reflector plates; 5 diffusion disks; 6 recessed (recessed form); 7 raised lines (raised line form); 8 LED; 10 automobiles.
The specific embodiment
Below, based on illustrated embodiment explanation the utility model.Fig. 1 is the exploded perspective view that the vehicle use high-mount stop lamp (hereinafter referred to as " high-mount stop lamp ") of embodiment of the present utility model is shown, and Fig. 2 is the summary top view that this high-mount stop lamp is shown, and Fig. 3 is the A-A line sectional view of Fig. 2.In the high-mount stop lamp of present embodiment, the normal of the X-Y plane that will consist of by X-axis with the Y-axis of X-axis quadrature is as Z axis, and Z-direction is the exit direction of light.
As Fig. 1～shown in Figure 3, the related high-mount stop lamp 1 of present embodiment comprises as main structural components: the leaded light of rectangle pulls 2, is the transparent configuration body that is formed by transparent resin (such as allyl resin) etc.; Each luminescence unit 3a, 3b are configured in respectively two sides (hereinafter referred to as " incident end face ") 2a, 2b side that this leaded light is pulled 2 left and right directions (Y direction); Reflector plate 4 is arranged on the back side (hereinafter referred to as " bottom surface ") the 2c side of LGP 2; And as the diffusion disk 5 of optical sheet, be arranged on front (hereinafter referred to as " exit facet ") the 2d side of LGP 2.Like this, this high-mount stop lamp 1 is the edge light mode of the both sides of LGP 2 that each luminescence unit 3a, 3b are located at.In addition, although in Fig. 1 and Fig. 2, be two incident end face 2a, 2b configuration luminescence unit 3a, 3b at LGP 2, can be also any of incident end face 2a, 2b.
This high-mount stop lamp 1 is for example shown in Figure 4, is arranged on the rear portion upside of automobile (vehicle) 10, tramples brake pedal with the driver and lights accordingly.
In the 2c of the bottom surface of LGP 2, recessed 6 that extends in X-direction forms a plurality of with set spacing.In addition, in the exit facet 2d of LGP 2, the raised line 7 that extends in Y direction forms a plurality of (details of LGP 2 is with aftermentioneds) with set spacing.
Left and right directions (Y direction) outgoing of the light that sends from each LED (light source) 8 of each luminescence unit 3a, 3b in from incident end face 2a, the 2b of the both sides of LGP 2 to LGP 2.
The function that reflector plate 4 has is, make the light of incident end face 2a from the both sides of LGP 2,2b incident, from the light of the outside outgoing of bottom surface 2c of LGP 2 again to LGP 2 incidents.The reflectivity of this reflector plate 4 is more than 95%, is being preferred aspect the utilization ratio that improves light.The material of reflector plate 4 can be enumerated the metal formings such as aluminium, silver, stainless steel, white coating, foaming PET (PETG) resin etc.
(structure of the bottom surface 2c of LGP 2)
As shown in Figure 1, form recessed 6 that forms with set spacing at the bottom surface of LGP 2 2c.These cross sectional shapes of recessed 6 form the V font, extend in X-direction.As shown in Figure 5, cross sectional shape be the drift angle of recessed 6 of V font in the scope of 50 °～100 °, consider aspect front face brightness can improve, be preferably set to 60 °～100 ° (drift angle of Fig. 5 concave bar 6 is 100 °).The height of recessed 6 (degree of depth) is set in the scope of 0.001～0.1mm left and right.
(structure of the exit facet 2d of LGP 2)
As shown in Figure 3, form a plurality of cross sections as the raised line 7 of lenticular shapes in the exit facet 2d of LGP 2 formation take set spacing.This raised line 7 extends in Y direction (left and right directions).For example height setting is in the scope of 0.001～0.1mm left and right for raised line 7, and width is set in the scope of 0.0.1～0.5 left and right.
In addition, although the cross section of the raised line 7 that forms at the exit facet 2d of LGP 2 is lenticular shapes, in addition, the cross section can be also trapezoidal shape, parabolic shape.Perhaps, can be also the curve of being stipulated by following formula (1).
[numerical expression 1]
In addition, this formula (1) is the general formula that does not limit each parameter of K, C, D～M, and in D～M, at least one is not 0.Particularly, the K in preferred formula (1) is-1.
(explanation of the light in LGP 2)
Yet, be only the inclined-plane reflection of recessed 6 of V font and by the light of exit facet 2d outgoing by the cross section that forms at the bottom surface of LGP 2 2c from the main of the exit facet 2d side outgoing of LGP 2.
And, as shown in present embodiment, will in the situation that the drift angle that the cross section that the bottom surface 2c of LGP 2 forms is recessed 6 of V font be set near 100 °, in the exit facet 2d and bottom surface 2c of LGP 2, in the light that propagate on the face limit total reflection limit parallel with X-Y plane, for example, shown in light C as shown in Figure 6, sometimes incide on the inclined-plane of recessed 6 of V font of the bottom surface 2c that is located at LGP 2.
On the inclined-plane of recessed 6 of V font, described light C on the face parallel with incident end face (X-Z plane) along become the direction of set angle with Z axis, as reverberation C ' by total reflection.From in the situation that the cross section that exit facet 2d forms is the inclined-plane outgoing of the raised line (being raised line 7 Fig. 6) of lenticular shapes, this catoptrical part is along frontal (Z-direction) outgoing.Therefore, can improve along the light intensity of the light of frontal outgoing.
Further, in the light of the internal communication of LGP 2, light D in the cross section that is formed at exit facet 2d be the inclined-plane of raised line (being raised line 7 in Fig. 6) of lenticular shapes by total reflection, be biased as light C.That is, be the inclined-plane of the raised line (being raised line 7 in Fig. 6) of lenticular shapes due to the cross section that forms at exit facet 2d, make light C multiplication, can further improve along the light intensity of the light of frontal outgoing.
As present embodiment, forming drift angle at the bottom surface of LGP 2 2c is recessed 6 of the V font of 100 °, in the situation that the exit facet 2d Formation cross-section of LGP 2 is the raised line 7 of lenticular shapes (or trapezoidal shape, parabolic shape), as shown in Figure 7, in the situation that described high-mount stop lamp 1 is arranged on the rear portion upside of automobile 10, from the planar light of exit facet 2d outgoing of LGP 2, and with respect to a lot of light beams of frontal (frontal of rear view of vehicle) outgoing of the exit facet 2d of LGP 2.
The light beam that Fig. 8 is outgoing to the angular aperture is with respect to the figure from the measurement result of the ratio of the full outgoing beam of the exit facet 2d outgoing of LGP 2.The a of Fig. 8 is the measurement result of the described high-mount stop lamp 1 of present embodiment, and the b of Fig. 8 is the measurement result of relatively using high-mount stop lamp.
This is not relatively form recessed of V font in the bottom surface and form raised line at exit facet as present embodiment with high-mount stop lamp, but plane two sides, and forms the reflecting part of a plurality of point-like in the bottom surface.
In addition, described angular aperture is in the situation that make the normal direction in front of exit facet 2d of LGP 2 consistent with the frontal of rear view of vehicle, with the frontal angulation of rear view of vehicle.The transverse axis of Fig. 8 is this angular aperture, the longitudinal axis frontal with rear view of vehicle is shown as rotating shaft and the light beam of outgoing to the angular aperture divided by the optical beam ratio from the full light beam of the exit facet 2d outgoing of LGP 2.
From the measurement result of Fig. 8 as can be known, in the high-mount stop lamp 1 of present embodiment, in angular aperture is the scope of 45 °, can outgoing from more than about 7 one-tenth of full outgoing beam of exit facet 2d outgoing.
On the other hand, in relatively using high-mount stop lamp, in angular aperture is the scope of 45 °, outgoing be from about 5 one-tenth of the deficiencies of the full outgoing beam of exit facet 2d outgoing.
In addition, even at the frontal of rear view of vehicle, the high-mount stop lamp 1 of present embodiment is about 6.2%, and relatively is about 2.7% with high-mount stop lamp, and outgoing is the light beam more than 2 times approximately.
Further, Fig. 9 illustrates the light distribution of the above-below direction (X-direction) in the central portion of high-mount stop lamp 1 of present embodiment.This high-mount stop lamp 1 is being arranged on the rear portion upside of automobile 10 (with reference to Fig. 4), make in the frontal of exit facet 2d of LGP 2 situation consistent with the frontal of rear view of vehicle, because the light distribution of Fig. 9 is consistent with the above-below direction with respect to ground, therefore a lot of light of approximate equality ground outgoing in 30 ° of up and down.Therefore, even at the rear portion of the different automobile of height of car, also visuognosis high-mount stop lamp legibly lights.
Like this, the planar light of exit facet 2d outgoing by from LGP 2 can obtain the light attractive in appearance that in prior art, discontinuous Line of light can't obtain.In addition, due in the high-mount stop lamp 1 of present embodiment, in angular aperture is the scope of 45 °, can make from about 7 one-tenth above outgoing of the full outgoing beam of exit facet 2d outgoing, impartial and become clear in the direction of the needs of the light distribution of high-mount stop lamp 1, even therefore be arranged on the rear portion upside of automobile, also can further improve the visuognosis for the sight line follow-up car low or higher than the height of this high-mount stop lamp 1.
Next, for the optical assessment of the high-mount stop lamp of carrying out edge light mode of the present utility model, made the high-mount stop lamp of shown below packed into embodiment 1～8 and comparative example 1,2 LGP.
[embodiment]
(embodiment 1)
The method of putting down in writing according to the embodiment of WO2006/013969 communique, the inclination angle that makes height of formation H and be par that 0.02mm, top end face have 0.02mm, inclined-plane is that the cross section of 50 ° is recessed form of trapezoidal shape, the width of recessed form of described trapezoidal shape is 0.054mm, has the pressing mold (stamper) 1 of exit facet side of the par of 0.006mm between adjacent form.
On the other hand, the drift angle that the V font of the pressing mold of bottom surface side (below be called pressing mold 2) is recessed is 100 ° (inclination angle R=40 °), be highly 0.008mm～0.010mm, central authorities to opposed 2 incident end faces increase gradually, with set being spaced, the same nickel electroformed layer that forms should formerly be practised usury from and made.
As transfer mold, the mould fixation side cavity of the injection (mo(u)lding) machine of packing into and drawer at movable side of mould cavity utilize injection moulding to make LGP with these pressing molds 1 and pressing mold 2.This LGP is carried out sharp processing, and obtaining appearance and size (length * wide * height) is the LGP of 189 * 16 * 3 (mm).
This LGP has raised line and recessed alternate configurations of trapezoidal shape at exit facet, dispose recessed of V font in the bottom surface, be 40 ° as the inclined-plane parallel with the X-axis of incident end face side recessed average base angle with respect to the average pitch R of bottom surface, make the central portion 0.171mm of spacing from incident end face side 0.274mm to LGP of recessed of V font slowly reduce gradually ground and change.
As luminescence unit, LED module (appearance and size 5.6mm * 3.0mm that use LG innotech company makes, length of illumination 4.6mm), (interval 1.6mm) configures 2 on straight line with this luminescence unit, form primary source, make recessed of the V font of the bottom surface of this LGP configure abreast with X-axis, only at 2 the end face configuration primary sources parallel with X-axis.Because this luminescence unit is configured in opposed 2 incident end faces, therefore amounts to and use 2 * 2=4.
And (Dongli Ltd. makes: model E6SL), make these member storages in metal frame to set reflector plate 4 at the bottom surface of LGP 2c.And, from it with the metal frame coupling with the back side of the carriage (opening size 149 * 16 (mm)) of polystyrene system.
In the high-mount stop lamp (lighting device) that forms like this, connect inverter and be connected to the socket of 100V for each luminescence unit, measure brightness characteristics.Brightness measuring be with effective light-emitting zone of high-mount stop lamp (with the opening size 149 * 16 (mm) of the carriage of polystyrene system be same size) in the longitudinal direction (Y direction) be divided into 9 parts (not cutting apart in X-direction), measure interval carrying out for 9.
Luminance meter uses the BM-7 open up general Kanggong department system, measures interval center and in the position that normal direction is left 3m, determining instrument is set from each, measures interval mode and determines to measure the angle and measure brightness not exceed.And, use the mean flow rate of 9 as the index of the lightness of the frontal of high-mount stop lamp, use the brightness irregularities of 9 as the inhomogeneous index of lightness.The brightness irregularities is here defined by the minimum brightness/high-high brightness in 9 brightness measuring values.
In addition, in order to estimate the outgoing efficient from the light beam of high-mount stop lamp outgoing to frontal, with the frontal of the exit facet of LGP as rotating shaft, ° calculate the light beam of outgoing to the angular aperture θ divided by the optical beam ratio from the full light beam of the exit facet outgoing of LGP by being set as θ=45, and carried out objective appraisal (hereinafter referred to as " positive outgoing ratio ").
Consequently, mean flow rate is 11438cd/m
2, brightness irregularities is 0.91, positive outgoing ratio is 0.70.Like this, the front face brightness of the high-mount stop lamp of embodiment 1 is very high, and brightness uniformity is excellent.
(embodiment 2)
The trapezoidal form Design of recessed that makes the pressing mold 1 in embodiment 1 is that trapezoidal height is 0.02mm, the par that has 0.02mm at trapezoidal end face, only various changes are carried out at trapezoidal base angle, made the pressing mold that has the tabular surface of 0.006mm between the form of described trapezoidal shape and adjacent form.Then, will carry out the pressing mold of various changes and LGP is made in 2 combinations of described pressing mold to described trapezoidal base angle.
In table 1, with LGP and the embodiment 1 that the obtains identical high-mount stop lamp of packing into, obtain the result of carrying out optical assessment and sum up by numerical computations.Numerical computations is carried out so that it meets the actual measurement of embodiment 1 with defined terms.
[table 1]
| Trapezoidal base angle (°) | 30 | 40 | 50 | 60 |
| Recessed drift angle of V font (°) | 100 | 100 | 100 | 100 |
| Mean flow rate (cd/m 2) | 6817 | 10404 | 11438 | 10199 |
| Brightness irregularities | 0.91 | 0.89 | 0.91 | 0.95 |
| Positive outgoing ratio | 0.68 | 0.71 | 0.70 | 0.65 |
As known from Table 1, mean flow rate and positive outgoing ratio is all than following comparative example 1,2 excellences.
(embodiment 3)
Embodiment 3 fixes the trapezoidal form of exit facet side, the situation that the drift angle of recessed of the V font of bottom surface side is carried out various changes.
In embodiment 1, the pressing mold of exit facet side uses pressing mold 1, bottom surface side is made drift angle with recessed of V font and is changed to respectively 60 °, 70 °, 80 °, 110 °, height for 0.008mm～0.010mm, increase gradually pressing mold with set spaced bottom surface side towards the central authorities of opposed 2 incident end faces, and the pressing mold of these bottom surface sides and pressing mold 1 combination of exiting side are made LGP.
In table 2, with the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, obtain the result of carrying out optical assessment and sum up by numerical computations.
[table 2]
| Trapezoidal base angle (°) | 50 | 50 | 50 | 50 | 50 |
| Recessed drift angle of V font (°) | 60 | 70 | 80 | 100 | 110 |
| Mean flow rate (cd/m 2) | 9031 | 12384 | 14942 | 11438 | 4716 |
| Brightness irregularities | 0.85 | 0.79 | 0.80 | 0.91 | 0.92 |
| Positive outgoing ratio | 0.70 | 0.74 | 0.75 | 0.70 | 0.65 |
As known from Table 2, when the drift angle that the V font is recessed is 60 °, 70 °, 80 °, 100 °, mean flow rate is high, and positive outgoing ratio is roughly more than 0.7.Yet when the drift angle of recessed of V font was 110 °, mean flow rate declined to a great extent, to the outgoing decline of frontal.
(embodiment 4)
In embodiment 1, make with the form of the exiting side of LGP recessed as the biconvex lens form, only its aspect ratio has been carried out the pressing mold of various changes.In addition, the width of the biconvex lens form of recessed is 0.05mm, has the tabular surface of 0.001mm between adjacent form.
In addition, the radius of a circle of establishing the vertical cross-section of describing biconvex lens is R, and the distance from the summit of the circular arc that forms biconvex lens to string is r, and described aspect ratio is r/2R * 100 (%).
On the other hand, it is the form of 60 ° that recessed form of the V font of bottom surface side used the drift angle of recessed the form of V font of making in embodiment 3, makes up to make LGP with recessed of the form of the exiting side of described LGP with the pressing mold that only aspect ratio of biconvex lens has been carried out various changes.
In table 3, with the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, obtain the result of carrying out optical assessment and sum up by numerical computations.
[table 3]
| Aspect ratio (%) | 10 | 20 | 30 | 40 | 50 |
| Recessed drift angle of V font (°) | 60 | 60 | 60 | 60 | 60 |
| Mean flow rate (cd/m 2) | 8592 | 8928 | 9345 | 9673 | 9929 |
| Brightness irregularities | 0.85 | 0.86 | 0.86 | 0.83 | 0.82 |
| Positive outgoing ratio | 0.69 | 0.70 | 0.70 | 0.71 | 0.11 |
As known from Table 3, the aspect ratio of biconvex lens is that appoint for the moment mean flow rate and positive outgoing in 10,20,30,40,50% all is better than comparative example 1,2 after frequently.
(embodiment 5)
The form that by the aspect ratio that is the biconvex lens of recessed of the form with the exiting side of LGP in embodiment 4 is recessed of the V font of 20% pressing mold and bottom surface side has been made LGP for the mutual combination that the drift angle of recessed of V font that embodiment 3 is made has carried out the pressing mold of change.
In table 4, with the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, obtain the result of carrying out optical assessment and sum up by numerical computations.
[table 4]
| Aspect ratio (%) | 20 | 20 | 20 | 20 | 20 |
| Recessed drift angle of V font (°) | 60 | 70 | 80 | 100 | 110 |
| Mean flow rate (cd/m 2) | 8928 | 11754 | 14289 | 8182 | 3615 |
| Brightness irregularities | 0.86 | 0.82 | 0.84 | 0.96 | 0.95 |
| Positive outgoing ratio | 0.70 | 0.73 | 0.74 | 0.68 | 0.62 |
As known from Table 4, when the drift angle that the V font is recessed is 60 °, 70 °, 80 °, 100 °, mean flow rate is high, and positive outgoing is than also roughly maintaining 7 one-tenth.Yet when the drift angle of recessed of V font was 110 °, mean flow rate declined to a great extent, and made to the outgoing of frontal to have descended.
(embodiment 6)
The modal alteration of recessed that will be formed at the pressing mold of exiting side in embodiment 1 is the curve-like that the cross sectional shape of recessed submits to following numerical expression (2), and the pressing mold that its drift angle with recessed of the V font of using in embodiment 3 has been carried out various changes makes up to have made LGP mutually.In addition, the width of described curvilinear form is 0.06mm, has the tabular surface of 0.001mm between adjacent form.
[numerical expression 2]
K?=?-1
C?=?47.31523
4 D=-29846
6 E=362207392
8 F=-2276608932701
10 G=8967392099183360
12 H=-22138674875790700000
14 I=3.4149338436526 * 10
22
16 J=-3.18652196429692 * 10
25
18 L=1.64310378517547 * 10
28
20 M=-3.5868000886891 * 10
30
In table 5, with the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, obtain the result of carrying out optical assessment and sum up by numerical computations.
[table 5]
| Recessed drift angle of V font (°) | 50 | 60 | 70 | 80 | 100 | 110 |
| Mean flow rate (cd/m 2) | 6219 | 9875 | 12856 | 15274 | 11534 | 7032 |
| Brightness irregularities | 0.78 | 0.82 | 0.82 | 0.87 | 0.97 | 0.94 |
| Positive outgoing ratio | 0.67 | 0.72 | 0.75 | 0.77 | 0.71 | 0.67 |
As known from Table 5, when the drift angle of recessed of V font was 60 °, 70 °, 80 °, 100 °, arbitrary average brightness value was all high, and positive outgoing maintains more than 0.7 than also, and is high to the exitance of frontal.In addition, when the drift angle of recessed of V font was 50 °, 110 °, mean flow rate increased by 27%～43% with respect to comparative example 1, increased by 19%, 35% with respect to comparative example 2.
(embodiment 7)
Make recessed of the pressing mold that is formed at the exit facet side in embodiment 4 to be parabola, only change the example of these parabolical 2 ordered coefficients a.In addition, the width of described parabolic form is 0.05mm, has the tabular surface of 0.001mm between adjacent form.
In table 6, with the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, obtain the result of carrying out optical assessment and sum up by numerical computations.
[table 6]
| |
0.9 | 1.0 | 1.1 | 1.2 | 1.3 |
| Recessed drift angle of V font (°) | 60 | 60 | 60 | 60 | 60 |
| Mean flow rate (cd/m 2) | 9664 | 9641 | 9551 | 9276 | 9039 |
| Brightness irregularities | 0.86 | 0.85 | 0.85 | 0.83 | 0.83 |
| Positive outgoing ratio | 0.73 | 0.71 | 0.69 | 0.65 | 0.62 |
As known from Table 6, might descend mean flow rate and positive outgoing than all being better than comparative example 1,2.
(embodiment 8)
Be formed in recessed of pressing mold of exiting side at embodiment 7, parabolical 2 ordered coefficients stuck-at-１ .1, the pressing mold that makes itself and drift angle to recessed of the V font of embodiment 3 use carry out various changes makes up to have made LGP mutually.
In table 7, with the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, obtain the result of carrying out optical assessment and sum up by numerical computations.
[table 7]
| Recessed drift angle of V font (°) | 50 | 60 | 70 | 80 | 100 | 110 |
| Mean flow rate (cd/m 2) | 5920 | 9551 | 12470 | 15252 | 12683 | 7706 |
| Brightness irregularities | 0.78 | 0.85 | 0.84 | 0.86 | 0.98 | 0.98 |
| Positive outgoing ratio | 0.64 | 0.69 | 0.72 | 0.74 | 0.71 | 0.67 |
As known from Table 7, when the drift angle of recessed of V font was 60 °, 70 °, 80 °, 100 ° arbitrary, average brightness value was all high, and positive outgoing roughly maintains 0.7 than also, and is high to the exitance of frontal.In addition, when the drift angle of recessed of V font was 50 °, 110 °, mean flow rate increased by 21%～57% with respect to comparative example 1, increased by 13%, 48% with respect to comparative example 2.
(comparative example 1)
This comparative example is to give to the bottom surface of the flat board of PMMA system (thickness of slab 3mm) example that printing points is made LGP.
Be provided with in the bottom surface of LGP more away from incident end face more closely with the white printing points (large in LGP central portion dot density) of density, making Luminance Distribution is set distribution.With the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, sum up the result of having carried out optical assessment.
Consequently, mean flow rate is 4909cd/m
2, brightness irregularities is 0.82, positive outgoing ratio is 0.48.That is, front face brightness is low, and positive outgoing ratio is also lower than 50%, a little less than the outgoing of frontal.
(comparative example 2)
This comparative example is that the exit facet side of LGP is minute surface, is provided with the situation of the form of V font at bottom surface side.
The pressing mold of the exit facet side of LGP uses the minute surface pressing mold of stainless steel, and the pressing mold of bottom surface side uses the pressing mold 2 of embodiment 1, makes LGP.With the LGP that the obtains high-mount stop lamp identical with embodiment 1 of packing into, sum up the result of having carried out optical assessment.
Consequently, mean flow rate is 5221cd/m
2, brightness irregularities is 0.92, positive outgoing ratio is 0.55.Improved although compare front face brightness with the diffuse reflection mode that is caused by printing points of comparative example 1, the positive outgoing of erect image is than also just 0.55, a little less than the outgoing still of frontal.
Claims (2)
1. vehicle high-mount stop lamp, it is the vehicle high-mount stop lamp of edge light mode, at least one side at LGP arranges primary source, described LGP has exit facet, with the opposed bottom surface of this exit facet and make from the incident end face of the light incident of the described primary source outgoing that arranges at least one side, described vehicle is characterised in that with high-mount stop lamp
The normal of the X-Y plane that will consist of by X-axis with the Y-axis of X-axis quadrature is as Z axis, described primary source and X-axis configured in parallel, and described LGP and described X-Y plane configured in parallel, the incident end face of described LGP and X-Z plane parallel,
A plurality of raised line forms parallel with Y direction that described LGP has in described bottom surface parallel with X-direction a plurality of recessed the form that form with both determining deviations and forms with both determining deviations at described exit facet,
Described recessed form form the cross section be V font, drift angle in the scope of 50 °～100 °,
It is lenticular shapes or trapezoidal shape or parabolic shape that described raised line form forms the cross section.
2. vehicle high-mount stop lamp as claimed in claim 1, is characterized in that,
Bottom surface side at described LGP has for catoptrical reflector plate, has optical sheet in the exit facet side of described LGP.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-002081 | 2012-04-10 | ||
| JP2012002081U JP3176743U (en) | 2012-04-10 | 2012-04-10 | High-mount stop lamp for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203273610U true CN203273610U (en) | 2013-11-06 |
Family
ID=48003653
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201769021U Expired - Fee Related CN203273610U (en) | 2012-04-10 | 2013-04-10 | Automotive high-mounted stop lamp |
| CN2013101227997A Pending CN103363415A (en) | 2012-04-10 | 2013-04-10 | Vehicle highmount stoplamp |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101227997A Pending CN103363415A (en) | 2012-04-10 | 2013-04-10 | Vehicle highmount stoplamp |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP3176743U (en) |
| KR (1) | KR20130006072U (en) |
| CN (2) | CN203273610U (en) |
| DE (1) | DE202013003568U1 (en) |
| WO (1) | WO2013154127A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112136171A (en) * | 2018-03-29 | 2020-12-25 | 泰连公司 | Electrical device for a vehicle pedal |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5996395B2 (en) * | 2012-11-22 | 2016-09-21 | スタンレー電気株式会社 | Vehicle lighting |
| JP6164832B2 (en) * | 2012-12-19 | 2017-07-19 | 株式会社小糸製作所 | Light guide and lighting device |
| EP3001094A4 (en) * | 2013-05-10 | 2016-11-23 | Kuraray Co | Lighting device |
| CN103604095B (en) * | 2013-11-15 | 2015-08-05 | 福州丹诺西诚电子科技有限公司 | A kind of light guide structure of automobile light-modulating control system and adjusting device |
| JP2016100229A (en) * | 2014-11-25 | 2016-05-30 | スタンレー電気株式会社 | Vehicular lighting fixture |
| FR3033199B1 (en) * | 2015-02-26 | 2018-02-02 | Valeo Iluminacion | LUMINOUS DEVICE OF A MOTOR VEHICLE |
| JP2017041370A (en) * | 2015-08-20 | 2017-02-23 | スタンレー電気株式会社 | Light guide body and vehicular lighting fixture using the same |
| JP6215415B2 (en) * | 2016-08-24 | 2017-10-18 | スタンレー電気株式会社 | Vehicle lighting |
| JP6919860B2 (en) * | 2019-03-19 | 2021-08-18 | 丸茂電機株式会社 | Lamps for wall irradiation and lighting equipment using them |
| DE102019215332A1 (en) * | 2019-10-07 | 2021-04-08 | W. Gessmann Gmbh | Light signal device for a driverless transport system |
| EP4191129A1 (en) | 2021-12-02 | 2023-06-07 | ZKW Group GmbH | Light guide for vehicle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000021213A (en) * | 1998-06-30 | 2000-01-21 | Ichikoh Ind Ltd | High mount stop lamp |
| CN2608382Y (en) * | 2003-01-16 | 2004-03-31 | 瑞泰电综股份有限公司 | Motor cycle side alarming device |
| JP2006040710A (en) * | 2004-07-27 | 2006-02-09 | Nissen Chemitec Corp | Light guide plate and planar lighting system using it |
| KR100912361B1 (en) | 2004-08-06 | 2009-08-19 | 가부시키가이샤 구라레 | Light guide plate, production method therefor, and surface light source device provided with it |
| JP2010021082A (en) | 2008-07-11 | 2010-01-28 | Mitsuba Corp | High mount stop lamp |
| TW201027191A (en) * | 2008-10-22 | 2010-07-16 | Kuraray Co | Plane type light source device and image display device having the same |
| JP2011187162A (en) * | 2010-03-04 | 2011-09-22 | Stanley Electric Co Ltd | Vehicular lamp |
-
2012
- 2012-04-10 JP JP2012002081U patent/JP3176743U/en not_active Expired - Fee Related
-
2013
- 2013-04-05 KR KR2020130002554U patent/KR20130006072U/en not_active Application Discontinuation
- 2013-04-09 DE DE202013003568U patent/DE202013003568U1/en not_active Expired - Lifetime
- 2013-04-10 CN CN2013201769021U patent/CN203273610U/en not_active Expired - Fee Related
- 2013-04-10 WO PCT/JP2013/060792 patent/WO2013154127A1/en active Application Filing
- 2013-04-10 CN CN2013101227997A patent/CN103363415A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112136171A (en) * | 2018-03-29 | 2020-12-25 | 泰连公司 | Electrical device for a vehicle pedal |
| CN112136171B (en) * | 2018-03-29 | 2022-09-20 | 泰连公司 | Electrical device for a vehicle pedal |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130006072U (en) | 2013-10-21 |
| DE202013003568U1 (en) | 2013-08-07 |
| CN103363415A (en) | 2013-10-23 |
| WO2013154127A1 (en) | 2013-10-17 |
| JP3176743U (en) | 2012-07-05 |
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