CN107627952B - Gear shifting light-emitting panel and automobile with same - Google Patents
Gear shifting light-emitting panel and automobile with same Download PDFInfo
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- CN107627952B CN107627952B CN201610571625.2A CN201610571625A CN107627952B CN 107627952 B CN107627952 B CN 107627952B CN 201610571625 A CN201610571625 A CN 201610571625A CN 107627952 B CN107627952 B CN 107627952B
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Abstract
The invention discloses a gear shifting light-emitting panel and an automobile with the same, wherein the gear shifting light-emitting panel comprises: the light source comprises a gear shifting panel, a light guide panel and a single light source, wherein a plurality of gear shifting symbol parts are arranged on the gear shifting panel; the light guide panel is arranged below the gear shifting panel; the single light source is positioned on the side surface of the light guide panel, and light rays emitted by the single light source are reflected by the reflecting surface of the light guide panel and then enter the plurality of gear shifting symbol parts to illuminate the plurality of gear shifting symbol parts. According to the gear shifting light-emitting panel, a single light source is adopted to irradiate the light guide panel, so that a plurality of gear shifting symbol parts can be illuminated, compared with the traditional mode that a plurality of LED lamps and a plurality of light guide blocks are arranged, the power consumption is low, and the design of heat dissipation, circuits, structures and the like required correspondingly is simpler, so that the cost is reduced, and the reliability of the gear shifting light-emitting panel is improved.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a shifting light-emitting panel and an automobile with the same.
Background
At present, a backlight mode adopted by a light-emitting shift panel on an automobile is that an LED (light emitting diode) lamp is arranged below each shift symbol, and a light guide block is arranged between each LED lamp and the shift symbol.
However, because the backlight mode adopted by the gear-shifting device is that one LED lamp is arranged below each gear-shifting symbol, and because the number of letters and gear-shifting symbols on the gear-shifting panel is at least more than 5, at least 5 LED lamps are needed, and at the same time, one light guide block is arranged between each LED lamp and the gear-shifting symbol, at least 5 light guide blocks are needed, the more the number of LED lamps is, the greater the power consumption is, the more complicated the design of the corresponding required heat dissipation, circuit, structure and the like is, the more complicated the structure, installation and the like of the 5 light guide blocks are, and accordingly, the cost is increased, and the reliability is poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, it is an object of the invention to propose a shifting light panel which is low in cost.
Another object of the present invention is to provide a vehicle having the above-described shifted light panel.
A shift luminescent panel according to a first aspect of the invention comprises: the gear shifting panel is provided with a plurality of gear shifting symbol parts; the light guide panel is arranged below the gear shifting panel; and the single light source is positioned on the side surface of the light guide panel, and light rays emitted by the single light source are reflected by the reflecting surface of the light guide panel and then enter the plurality of gear shifting symbol parts to illuminate the plurality of gear shifting symbol parts.
According to the gear shifting light-emitting panel, a single light source is adopted to irradiate the light guide panel, so that a plurality of gear shifting symbol parts can be illuminated, compared with the traditional mode that a plurality of LED lamps and a plurality of light guide blocks are arranged, the power consumption is low, and the design of heat dissipation, circuits, structures and the like required correspondingly is simpler, so that the cost is reduced, and the reliability of the gear shifting light-emitting panel is improved.
According to some embodiments of the present invention, the light emitted from the single light source is irradiated to the reflecting surface through an incident surface of the light guide panel, and the incident surface is formed to be an aspherical surface.
Further, the incident surface of the light guide panel is formed as a biconical surface.
Further, the surface type of the incident surface of the light guide panel satisfies the following formula:
wherein z is an intersection point of the incident surface of the light guide panel and the optical axis, the z direction is the same as the optical axis direction, the axial direction perpendicular to the optical axis direction is divided into an x direction and a y direction, and the two directions are asymmetric; k is a radical ofx、kyCoefficients of quadric surfaces in x and y directions respectively; c. Cx、cyThe central curvatures of the mirror surface in the x direction and the y direction respectively,
wherein R isx、RyThe radius of curvature of the mirror surface center in the x and y directions, respectively.
According to some embodiments of the present invention, a plurality of step portions are disposed on a surface of the light guide panel on a side away from the shift panel, the step portions correspond to the shift symbol portions one by one, and each step portion is configured to allow light emitted from the single light source to be totally reflected when passing through the step portion and to be incident on the corresponding shift symbol portion.
Optionally, each step portion has a reflection surface configured such that light emitted from the single light source is totally reflected by the reflection surface and enters the corresponding shift symbol portion.
Or optionally, each step portion comprises a plurality of sub step portions sequentially arranged along the irradiation direction of the single light source, each sub step portion comprises a first step surface and a second step surface which are connected with each other, the first step surface is parallel to one side surface of the light guide panel facing the gear shifting panel, an included angle θ is formed between the second step surface and the first step surface, and light emitted by the single light source is projected onto the second step surface to be totally reflected and vertically incident to the corresponding gear shifting symbol portion.
Optionally, included angles θ between the second step surfaces and the first step surfaces of the plurality of sub-step portions are the same or different.
Optionally, the θ satisfies: theta is more than or equal to 42 degrees and less than or equal to 48 degrees.
Optionally, in an irradiation direction of the single light source, a distance between the plurality of steps and the shift panel is gradually decreased.
Further, the light guide panel has a planar portion on a surface of a side thereof facing away from the shift panel, and the planar portion is located between the first end of the light guide panel and the plurality of steps.
Optionally, the plurality of shift symbol portions include a plurality of columns of shift symbol portions in a direction perpendicular to the irradiation direction of the single light source, the plurality of step portions include a plurality of columns of step portions in a direction perpendicular to the irradiation direction of the single light source, and the plurality of columns of step portions correspond to the plurality of columns of shift symbol portions one to one.
According to some embodiments of the present invention, two sidewalls of the light guide panel are respectively configured to reflect light emitted from the single light source through the sidewalls to become parallel light, and the two sidewalls are respectively located at two sides of the side surface of the light guide panel.
Optionally, the two sidewalls of the light guide panel are respectively formed into a parabolic curved surface.
According to some embodiments of the invention, the light guide panel is an optical plastic structure.
According to some embodiments of the invention, the single light source is an LED light source.
According to some embodiments of the invention, each of the shift symbol portions is a translucent structure.
A vehicle according to a second aspect of the invention comprises a shifted light panel according to the first aspect of the invention described above.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a shifting light panel according to an embodiment of the present invention;
FIG. 2 is another schematic view of the shifted light panel shown in FIG. 1, with the mounts not shown;
FIG. 3 is a schematic view of the light source and light guide panel shown in FIG. 1;
FIG. 4 is a perspective view of the light guide panel shown in FIG. 1;
FIG. 5 is a perspective view of another angle of the light directing panel shown in FIG. 4;
fig. 6 is a perspective view of still another angle of the light guide panel shown in fig. 4.
Reference numerals:
100: a shift light panel;
1: a shift panel; 11: a shift symbol section;
2: a light guide panel; 21: a side surface; 22: a step portion;
221: a sub-step portion; 2211: a first step surface; 2212: a second step surface;
23: a planar portion; 24: a side wall;
3: a light source; 4: a mounting member; 41: accommodating grooves; 5: PCB circuit board.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A shift luminescent panel 100 according to an embodiment of the first aspect of the invention is described below with reference to fig. 1 to 6.
As shown in fig. 1 to 6, a shift light panel 100 according to an embodiment of the first aspect of the present invention includes a shift panel 1, a light guide panel 2, and a single light source 3.
The shift panel 1 is provided with a plurality of shift symbol portions 11, and the plurality of shift symbol portions 11 are provided at intervals. Here, each of the shift symbol portions 11 has a different meaning, and for example, as shown in fig. 1, the shift symbol portion 11 "P" represents a parking range, the shift symbol portion 11 "R" represents a reverse range, the shift symbol portion 11 "N" represents a neutral range, and the shift symbol portion 11 "D" represents a forward range, and the like. Seven shift symbol portions 11 are shown in fig. 1 for illustrative purposes, but it is obvious to those skilled in the art after reading the following technical solutions that the solutions are applied to the solutions with less than seven or more shift symbol portions 11, which also falls within the protection scope of the present invention. It can be understood that the specific number of the shift symbol portions 11 and the arrangement manner on the shift panel 1 can be specifically set according to actual requirements so as to better meet the actual requirements.
The light guide panel 2 is provided below the shift panel 1, and the light guide panel 2 covers all the shift symbol portions 11.
The single light source 3 is located on a side surface 21 (e.g., a left side surface in fig. 2 and 3) of the light guide panel 2, in which the single light source 3 and the light guide panel 2 are located substantially in the same horizontal plane, and light emitted from the single light source 3 is reflected by a reflection surface of the light guide panel 2 and then enters the plurality of shift symbol portions 11 to illuminate the plurality of shift symbol portions 11. The single light source 3 is side-emitting, and generates illumination light from the side surface 21 at the one end of the light guide panel 2 in the extending direction of the light guide panel 2, and projects the illumination light to all the shift symbol portions 11, thereby illuminating all the shift symbol portions 11.
Alternatively, the single light source 3 is an LED light source, but is not limited thereto. For example, as shown in fig. 2 and 3, a side surface 21 of the one end of the light guide panel 2 is provided with a PCB (Printed Circuit Board) Board 5, the PCB Board 5 is vertically placed, and LEDs and the like can be directly attached to the PCB Board 5 and positioned on a side of the PCB Board 5 adjacent to the light guide panel 2, so that the LED lamp is in a side-emitting state, and illumination light is generated from the side surface 21 of the one end of the light guide panel 2 along a plane direction of the light guide panel 2, wherein an emitting angle of the LED lamp may be 120 °.
Therefore, the light-emitting requirement of the gear shifting panel 1 can be met by arranging a single light source 3 such as a single LED lamp, and compared with the traditional structure and circuit which adopt a plurality of LED lamps and a plurality of light guide blocks, the structure and the circuit are simpler, so that the cost is reduced.
According to the shift light-emitting panel 100 of the embodiment of the invention, a single light source 3 is adopted to irradiate the light guide panel 2, so that a plurality of shift symbol parts 11 can be illuminated, compared with the traditional arrangement of a plurality of LED lamps and a plurality of light guide blocks, the power consumption is low, and the correspondingly required heat dissipation, circuit and structure are simpler in design, so that the cost is reduced, and the reliability of the shift light-emitting panel 100 is improved.
According to some embodiments of the present invention, the light emitted from the single light source 3 is irradiated to the reflection surface through the incident surface (i.e., the side surface 21) of the light guide panel 2, and the incident surface of the light guide panel 2 is formed to be aspheric. For example, referring to fig. 2 in conjunction with fig. 4 to 6, the incident surface of the light guide panel 2 is formed as a biconical surface.
Specifically, the x-direction (for example, the x-direction shown in fig. 3) and the y-direction (for example, the y-direction shown in fig. 2) are different in parameter, and the surface shape of the above-described incident surface of the light guide panel 2 conforms to the following formula:
wherein z is an intersection point of the incident surface of the light guide panel 2, such as an aspheric surface, and the optical axis, the z direction is the same as the optical axis direction, and the axial direction perpendicular to the optical axis direction is divided into an x direction and a y direction, and the two directions are asymmetric; k is a radical ofx、kyCoefficients of quadric surfaces in x and y directions respectively;
wherein, cx、cyThe central curvatures of the mirror surface in the x direction and the y direction respectively,
wherein R isx、RyMirror center curvature halves in x and y directions respectivelyThe values of the surface type-related parameters of the incident surface of the light guide panel 2 are as follows:
| type (B) | Rx | kx | Ry | ky |
| Parameters of surface type | 1.580681 | -2.544972 | 4 | -21.277995 |
The light emitted from the light source 3 is shaped after passing through the above-mentioned incidence surface of the light guide panel 2, such as an aspheric surface, the light emitted in the x direction fills the whole flat plate (as shown in fig. 3), and the light emitted in the y direction changes the light into parallel light (as shown in fig. 2), so that the light utilization rate is the highest.
According to some embodiments of the present invention, as shown in fig. 1 to 6, a side surface (e.g., a lower surface in fig. 2) of the light guide panel 2 facing away from the shift panel 1 is provided with a plurality of step portions 22, the plurality of step portions 22 correspond to the plurality of shift symbol portions 11 one-to-one, at this time, the number of the step portions 22 is equal to the number of the shift symbol portions 11, the step portions 22 are preferably opposite to the shift symbol portions 11 one-to-one, and each step portion 22 is configured to perform total reflection when light emitted by a single light source 3 passes through the step portion 22 and is incident on the corresponding shift symbol portion 11, so that the light emitted by the single light source 3 can be better irradiated to the shift symbol portions 11 to generate a light emitting effect, thereby achieving the purpose of guiding light by.
Alternatively, each step portion 22 has a reflecting surface (not shown) which is a general reflecting surface configured such that the light emitted from the single light source 3 is totally reflected by the reflecting surface and is incident on the corresponding shift symbol portion 11.
Of course, as shown in fig. 3 to 6, each step part 22 may further include a plurality of sub step parts 221 sequentially arranged along the irradiation direction of the light source 3 (for example, a left-to-right direction in fig. 3), specifically, each sub step part 221 includes a first step surface 2211 and a second step surface 2212 connected to each other, as shown in fig. 2, the first step surface 2211 is parallel to a side surface (for example, an upper surface in fig. 2) of the light guide panel 2 facing the shift panel 1, the second step surface 2212 forms an included angle θ with the first step surface 2211, and light emitted from a single light source 3 is totally reflected when being projected to the second step surface 2212 and perpendicularly incident to the corresponding shift symbol part 11.
Wherein the included angle θ can satisfy: theta is more than or equal to 42 degrees and less than or equal to 48 degrees, and the included angle theta is about 45 degrees +/-3 degrees at the moment. As is apparent from fig. 2, the light emitted from the light source 3 passes through the second step surface 2212, is totally reflected, and is vertically projected upward to the corresponding shift symbol portion 11 of the shift panel 1, so as to illuminate the shift symbol portion 11.
Alternatively, the included angles θ between the second step surfaces 2212 of the sub-step portions 221 and the first step surfaces 2211 may be the same (as shown in fig. 2), so that the processing is simple and the cost is low, and of course, the included angles θ may be different, so that the incident light at multiple angles can be absorbed.
In addition, by providing a plurality of sub-step portions 221, compared to the step portion 22 being a common reflection surface, for example, if each reflection surface is made to be 45 degrees, the thickness of the light guide panel 2 is larger, and by making a plurality of sub-step portions 221, the included angle θ not only easily satisfies the requirement of total reflection, but also can effectively reduce the thickness of the light guide panel 2. In addition, in practice, since the incident light has different incident angles, the arrangement of the plurality of sub-step portions 221 is more suitable for this situation, and the light is more effectively reflected, so that the light is more uniform.
Alternatively, as shown in fig. 2, 4 and 6, the distances between the plurality of step portions 22 and the shift panel 1 are gradually decreased along the above-mentioned irradiation direction of the single light source 3, and at this time, the plurality of step portions 22 are staggered from each other in the up-down direction, so that the light emitted from the light source 3 can be irradiated to each step portion 22 respectively and projected onto the corresponding shift symbol portion 11 after being reflected by the second step surface 2212 of the step portion 22, thereby effectively ensuring the uniformity of the light projected onto the plurality of shift symbol portions 11, and further ensuring the light emitting effect.
Further, as shown in fig. 2 to 6, a side surface (e.g., a lower surface in fig. 2) of the light guide panel 2 facing away from the shift panel 1 has a flat portion 23, and the flat portion 23 is located between the first end of the light guide panel 2 and the plurality of step portions 22, where the flat portion 23 is located upstream of the plurality of step portions 22 in the irradiation direction of the light source 3. Thus, by providing the flat surface portion 23, as shown in fig. 3, the light beam incident from the side can travel along the flat surface portion 23.
Alternatively, the plurality of shift symbol portions 11 include a plurality of rows of shift symbol portions 11 in a direction perpendicular to the irradiation direction of the single light source 3, the plurality of step portions 22 include a plurality of rows of step portions 22 in the direction perpendicular to the irradiation direction of the single light source 3, and the plurality of rows of step portions 22 correspond one-to-one to the plurality of rows of shift symbol portions 11. For example, fig. 1 shows two rows of the shift symbol portions 11 and two rows of the step portions 22 arranged in the left-right direction.
According to some embodiments of the present invention, as shown in fig. 3, two sidewalls 24 (e.g., an upper sidewall and a lower sidewall in fig. 3) of the light guide panel 2 are respectively configured such that light emitted from a single light source 3 is reflected by the sidewalls 24 and becomes parallel light to be emitted, wherein the two sidewalls 24 are respectively located at two sides of the side surface 21 of the light guide panel 2. From this, two lateral walls 24 of leaded light panel 2 can further carry out the plastic with the divergent light that the x direction transmission was come, become the parallel light after its total reflection and continue to move ahead along leaded light panel 2 for whole leaded light panel 2 is full of light, thereby has promoted light source 3's utilization ratio. Alternatively, the two side walls 24 of the light guide panel 2 are respectively formed as parabolic curved surfaces, and as shown in fig. 3, the two side walls 24 of the light guide panel 2 are respectively formed as convex surfaces that are convex toward a direction away from each other.
According to a further embodiment of the present invention, as shown in fig. 1, the shifting light emitting panel 100 further includes: mounting part 4, be formed with holding tank 41 on mounting part 4, light guide panel 2 and single light source 3 all establish in holding tank 41. Wherein, the internal surface of holding tank 41 is smooth surface, and the internal surface of holding tank 41 carries out smooth processing this moment to can reflect the light that diverges away from leaded light panel 2 once more back leaded light panel 2, further promoted light source 3's utilization ratio. Optionally, the mounting member 4 is a plastic structural member, but is not limited thereto.
The light guide panel 2 is a core element of the shift light emission panel 100. Optionally, the light guide panel 2 is an optical plastic structure, for example, the light guide panel 2 is an optical PMMA (polymethyl methacrylate) plastic part or a PC (polycarbonate) plastic part, and the light guide panel 2 is made of a light PMMA plastic material or a PC plastic material.
According to some embodiments of the present invention, each shift symbol 11 is a translucent structure, while the rest of the shift panel 1 is opaque to light. When the light that jets out from light guide panel 2 produces diffuse reflection effect when shifting symbol portion 11 for the light that shifts symbol portion 11 and send is more even.
According to the shift light-emitting panel 100 of the embodiment of the invention, the light-emitting requirement of the shift panel 1 can be met by adopting a single light source 3 such as an LED lamp, the structure and the circuit are simpler than those of the traditional scheme, the cost is reduced, the light emitted by the LED lamp is processed by integrally designing the light guide panel 2, the installation is simpler, and the reliability is improved. In addition, the shift luminescent panel 100 of the present invention has no relation to the distribution and distance of the shift symbol part 11, and can make the shift symbol part 11 uniformly emit light, and has the advantages of small limitation and wide application range.
An automobile (not shown) according to a second aspect embodiment of the invention comprises a gearshift lighting panel 100 according to the first aspect embodiment of the invention.
According to the automobile provided by the embodiment of the invention, the overall performance of the automobile is improved by adopting the shifting light-emitting panel 100.
Other constructions and operations of the shifting light panel 100 and the automobile according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (17)
1. A shifting light panel, comprising:
the gear shifting panel is provided with a plurality of gear shifting symbol parts;
the light guide panel is arranged below the gear shifting panel, a plurality of step parts are arranged on the surface of one side of the light guide panel, which is far away from the gear shifting panel, and the step parts are in one-to-one correspondence with the gear shifting symbol parts; and
the single light source is positioned on the side surface of the light guide panel, light emitted by the single light source is reflected by the reflecting surface of the light guide panel and then enters the plurality of gear-shifting symbol parts to illuminate the plurality of gear-shifting symbol parts, and each step part is configured to be totally reflected when the light emitted by the single light source passes through the step part and then enters the corresponding gear-shifting symbol part.
2. The fire shifting light panel of claim 1, wherein the light from the single light source is directed through an entrance surface of the light guide panel to the reflective surface, the entrance surface being formed as an aspheric surface.
3. The fire shifting light emitting panel of claim 2, wherein the incident surface of the light guide panel is formed as a biconical surface.
4. The fire shifting light emitting panel of claim 3, wherein the surface type of the incident surface of the light guide panel satisfies the following formula:
wherein z is an intersection point of the incident surface of the light guide panel and the optical axis, the z direction is the same as the optical axis direction, the axial direction perpendicular to the optical axis direction is divided into an x direction and a y direction, and the two directions are asymmetric; k is a radical ofx、kyCoefficients of quadric surfaces in x and y directions respectively; c. Cx、cyThe central curvatures of the mirror surface in the x direction and the y direction respectively,
wherein R isx、RyThe radius of curvature of the mirror surface center in the x and y directions, respectively.
5. The shifting light-emitting panel according to claim 1, wherein each of the stepped portions has a reflecting surface configured such that light rays emitted from the single light source are totally reflected by the reflecting surface and incident to the corresponding shift symbol portion.
6. The shifting light-emitting panel according to claim 1, wherein each of the step portions includes a plurality of sub-step portions sequentially arranged in an irradiation direction of the single light source, each of the sub-step portions includes a first step surface and a second step surface connected to each other, the first step surface is parallel to a side surface of the light guide panel facing the shift panel, an angle θ is formed between the second step surface and the first step surface, and light emitted from the single light source is totally reflected when projected to the second step surface and is perpendicularly incident to the corresponding shift symbol portion.
7. The shifted light panel according to claim 6, wherein an angle θ between the second step surface and the first step surface of the plurality of sub-step portions is the same or different.
8. The shifting light panel of claim 6, wherein θ satisfies: theta is more than or equal to 42 degrees and less than or equal to 48 degrees.
9. The shift light panel according to claim 1, wherein a distance between the plurality of steps and the shift panel gradually decreases in an irradiation direction of the single light source.
10. The shifter light panel of claim 1, wherein a side surface of the light guide panel facing away from the shift panel has a planar portion thereon, the planar portion being located between the first end of the light guide panel and the plurality of steps.
11. The shift light panel according to claim 1, wherein the plurality of shift symbol portions include a plurality of rows of shift symbol portions arranged in a direction perpendicular to an irradiation direction of the single light source, the plurality of stepped portions include a plurality of rows of stepped portions in the direction perpendicular to the irradiation direction of the single light source, and the plurality of rows of stepped portions correspond one-to-one to the plurality of rows of shift symbol portions.
12. The fire shifting light panel of claim 1, wherein two side walls of the light guide panel are configured to reflect light emitted from the single light source through the side walls to form parallel light, and wherein the two side walls are respectively located at two sides of the side surface of the light guide panel.
13. The fire shifting light panel of claim 12, wherein both side walls of the light guide panel are respectively formed as parabolic curved surfaces.
14. The fire shifting light panel of claim 1, wherein the light guide panel is an optical plastic structure.
15. The fire shifting light panel of claim 1, wherein the single light source is an LED light source.
16. The shifting light panel according to claim 1, wherein each of the shift symbol portions is a translucent structure.
17. An automobile characterized by comprising a shifting light panel according to any one of claims 1 to 16.
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| CN110293904B (en) * | 2018-03-23 | 2023-02-21 | 比亚迪半导体股份有限公司 | Shift luminescent panel and vehicle |
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| US5894539A (en) * | 1994-06-24 | 1999-04-13 | Minnesota Mining And Manufacturing Company | Line light source having light pipe with rectangular cross-section |
| JP2000100229A (en) * | 1998-09-28 | 2000-04-07 | Enplas Corp | Light guiding plate, side light type surface light source device and liquid crystal display device |
| CN1643409A (en) * | 2002-03-28 | 2005-07-20 | 皇家飞利浦电子股份有限公司 | Compact lighting system and display device |
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| CN107627952A (en) | 2018-01-26 |
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Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |
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