CN223049881U - One-way lighting system for lamps - Google Patents
One-way lighting system for lamps Download PDFInfo
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- CN223049881U CN223049881U CN202422315283.0U CN202422315283U CN223049881U CN 223049881 U CN223049881 U CN 223049881U CN 202422315283 U CN202422315283 U CN 202422315283U CN 223049881 U CN223049881 U CN 223049881U
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Abstract
本实用新型公开了一种灯具单向发光系统，包括PCB板、一列的LED黄光源、一列的LED红光源、隔板、黄光导光板部件、红光导光板、分别设置在PCB板顶面上的前框壳体和后框壳体；隔板固定在PCB板顶面上，隔板底端开设一列间隔布置的透光孔，LED黄光源不能透过透光孔，LED红光源有一部分光可透过透光孔；黄光导光板部件包括黄导光板，黄导光板的出光面高于红光导光板的出光面；LED黄光源从黄导光板的底面入射的光经过黄光导光板部件的作用从其出光面射出；LED红光源的一部分光入射至黄导光板后经过黄光导光板部件的作用从其出光面射出；LED红光源的另一部分光入射至红光导光板后从其出光面射出。单独点亮红光时，红光导光板和黄光导光板可分别发出均匀的红光。
The utility model discloses a unidirectional lighting system of a lamp, comprising a PCB board, a row of LED yellow light sources, a row of LED red light sources, a partition, a yellow light guide plate component, a red light guide plate, a front frame shell and a rear frame shell respectively arranged on the top surface of the PCB board; the partition is fixed on the top surface of the PCB board, a row of light-transmitting holes arranged at intervals are provided at the bottom end of the partition, the LED yellow light source cannot pass through the light-transmitting holes, and a part of the light of the LED red light source can pass through the light-transmitting holes; the yellow light guide plate component comprises a yellow light guide plate, and the light-emitting surface of the yellow light guide plate is higher than the light-emitting surface of the red light guide plate; the light incident from the bottom surface of the yellow light guide plate by the LED yellow light source is emitted from the light-emitting surface thereof through the action of the yellow light guide plate component; a part of the light of the LED red light source is incident on the yellow light guide plate and then emitted from the light-emitting surface thereof through the action of the yellow light guide plate component; another part of the light of the LED red light source is incident on the red light guide plate and then emitted from the light-emitting surface thereof. When the red light is lit alone, the red light guide plate and the yellow light guide plate can respectively emit uniform red light.
Description
Technical Field
The utility model relates to the technical field of car lamps, in particular to a unidirectional lighting system of a lamp.
Background
In a strong competition in the automotive market, the styling of lamps has also become a focus of consumer attention. A car lamp model that has degree of identification and design sense not only can promote the visual effect of whole car, can also strengthen the consumer and to the recognition sense of brand. With the continuous improvement of the requirements of consumers on the appearance and performance of automobiles, automobile enterprises are required to continuously innovate and improve the lamp technology, and the luminous performance and the appearance design level of the lamps are improved so as to improve the market competitiveness. Meanwhile, the vehicle enterprise should also give priority to the functionality and the legal feasibility of the vehicle lamp, so as to ensure the important function of the lamp in the aspect of ensuring the driving safety.
At present, the modeling of the lighting area of the automobile lamp has the development trend of flattened structure and more rich space sense, and has the increasingly complex animation function requirements of steering running water, welcoming, starting and stopping and the like, so that a novel surface light source structural form is required. The market scheme has a double-sided light source structure, can meet the requirements of diversification and functionalization of lamp modeling, but has the defect that light sources with different colors are mutually influenced under the characteristic working conditions. As shown in fig. 1, two LEDs at the bottom of the double-sided light source structure can be mutually affected, and although a partition plate is arranged between the light guide plate a11 and the light guide plate B12, a part of the LED light of the light guide plate a11 can be uncontrollably emitted to the light guide plate B12, and the lighting effect can not reach the requirement of the host.
Therefore, complex functions are required to be realized in the limited space of the car lamp, so that two light sources cannot influence each other in the two light guide plates, and the effect of uniformly lighting is achieved.
Disclosure of utility model
The utility model aims to provide a lamp unidirectional light-emitting system, in which two light sources in a limited car light space cannot mutually influence in two light guide plates.
In order to achieve the above object, the present utility model provides the following technical solutions:
a unidirectional lighting system of a lamp comprises a PCB, a row of LEDs Huang Guangyuan and a row of LED red light sources respectively arranged on two sides of the PCB, a baffle, a yellow light guide plate component, a red light guide plate, a front frame shell and a rear frame shell respectively arranged on the top surface of the PCB;
The rear frame shell, the yellow light guide plate component, the partition plate, the red light guide plate and the front frame shell are sequentially arranged in the direction from back to front;
The partition board is arranged on the top surface of the PCB, and a row of light holes which are arranged at intervals are formed in the bottom end of the partition board;
each LED yellow light source fixed on the top surface of the PCB is arranged at the interval of two light holes, and each LED red light source fixed on the top surface of the PCB is arranged at the corresponding position of each light hole, so that the LED yellow light source cannot penetrate through the light holes, and a part of light of the LED red light source can penetrate through the light holes;
the front side surface of the red light guide plate is a light emitting surface;
The yellow light guide plate component comprises a Huang Daoguang plate, wherein the front side surface of the Huang Daoguang plate is a light-emitting surface of the Huang Daoguang plate and is higher than the front side surface of the red light guide plate, and the light incident from the bottom surface of the Huang Daoguang plate by the LEDs Huang Guangyuan is emitted from the light-emitting surface of the Huang Daoguang plate under the action of the Huang Guangdao plate component;
And one part of light of the LED red light source can be emitted from the light emitting surface of the Huang Daoguang plate under the action of the Huang Guangdao light plate component after entering the Huang Daoguang plate through the light hole, and the other part of light of the LED red light source is emitted from the light emitting surface of the red light guide plate after entering the red light guide plate.
Further, the top surface of the Huang Daoguang plate is an inclined surface, and a reflecting structure is arranged on the inclined surface;
Light of the LED Huang Guangyuan is emitted into a light-transmitting medium of the Huang Daoguang plate through a condenser on the bottom surface of the Huang Daoguang plate, and after reaching a reflecting structure in the light-transmitting medium, the light forms reflected light emitted to the light-emitting surface under the action of the reflecting structure, and the reflected light is scattered in optical patterns of the light-emitting surface.
Further, the yellow light guide plate component comprises a reflecting film arranged on the rear frame shell, the light of the LED Huang Guangyuan is emitted into a light-transmitting medium of the Huang Daoguang plate through a condenser on the bottom surface of the Huang Daoguang plate, the light forms reflected light emitted to the light-emitting surface under the action of the reflecting film in the light-transmitting medium, and the reflected light is scattered in optical patterns of the light-emitting surface.
In the technical scheme, the utility model has the following beneficial effects:
According to the design of the light emitting angle of the LED red light source, the red light LED can penetrate through the partition plate and be emitted into the Huang Daoguang plate, so that when the independent red light is lighted, the red light guide plate can emit light normally, and the yellow light guide plate can also emit uniform red light so as to achieve the required lighting effect. The light emitted by the LED yellow light source is reflected to the red light guide plate very limited, and almost no influence is caused.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of a lamp having a double-sided light source structure disclosed in the prior art;
FIG. 2 is a schematic diagram of the structure of the inside of the unidirectional light emitting system of the lamp disclosed by the utility model;
FIG. 3 is a schematic diagram of a path cross-section structure of an LED red light source according to the present disclosure;
FIG. 4 is a schematic view of the front side of the disclosed separator;
FIG. 5 is a schematic view of the structure of the rear side of the separator of the present disclosure;
FIG. 6 is a schematic view of the structure of the Huang Daoguang board disclosed in the present utility model;
FIG. 7 is a schematic view of an angle of a unidirectional light emitting system of a lamp according to the present disclosure;
Fig. 8 is a schematic structural diagram of another angle of the unidirectional light emitting system of the lamp disclosed by the utility model.
Reference numerals:
PCB board 1, LED yellow light source 2, LED red light source 3, baffle 4, light trap 41, red light guide plate 6, front frame casing 7, back frame casing 8, huang Daoguang board 9, condenser 91, reflecting structure 92, light guide plate A11, light guide plate B12.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
It should be noted that the terms "above," "one end," "upper," and the like are used herein to indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and similar expressions are used for the purpose of illustration only, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "a portion," "a portion," and the like are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
The unidirectional lighting system of the lamp shown in fig. 2-8 comprises a PCB (printed circuit board) 1, a row of LED yellow light sources 2 respectively arranged on the rear side of the PCB 1, a row of LED red light sources 3 respectively arranged on the front side of the PCB, a partition board 4, huang Guangdao light board components, a red light guide plate 6, a front frame shell 7 respectively arranged on the top surface of the PCB 1 and a rear frame shell 8.
The rear frame shell 8, the yellow light guide plate component, the partition board 4, the red light guide plate 6 and the front frame shell 7 are sequentially arranged along the direction from back to front, and the space formed by the front frame shell 7, the rear frame shell 8 and the PCB 1 is used for installing the LED yellow light source 2, the LED red light source 3, the partition board 4, huang Guangdao light guide plate components and the red light guide plate 6. The front frame case 7 has a frame structure, and a hollow portion is provided for leaking out the front side surface of the red light guide plate 6.
The baffle 4 is arranged on the top surface of the PCB board 1, and can be fixedly connected with the front frame shell 7 or the rear frame shell 8. The bottom of the partition board 4 is provided with a row of light holes 41 which are arranged at intervals, the shape and the size of the light holes are designed according to the light emitting angle of each LED red light source 3, as shown in fig. 4-5 schematically, the light holes 41 on the partition board 4 are horn-shaped, and the opening on the rear side surface of the partition board 4 is larger than the opening on the front side surface. Each LED yellow light source 2 fixed on the top surface of the PCB board 1 is disposed at the interval of two light holes 41, and each LED red light source 3 fixed on the top surface of the PCB board 1 is disposed at a corresponding position of the light hole 41, so that the LED Huang Guangyuan 2 cannot penetrate the light hole 41, and a part of the light of the LED red light source 3 can penetrate the light hole 41. The LED yellow light source 2 and the LED red light source 3 are respectively arranged at the rear side and the front side of the bottom end of the partition board 4.
The front side of the red light guide plate 6 is a light emitting surface, and the yellow light guide plate component comprises Huang Daoguang plates 9 and Huang Daoguang plates 9, the front side of which is the light emitting surface and is higher than the front side of the red light guide plate 6. The front frame housing 7 is a frame structure, and the hollow is for exposing the light emitting surface of the Huang Daoguang board 9 and the light emitting surface of the red light guide plate 6 at the same time. The Huang Daoguang plate 9 has an inverted L-shape, with the upper part thick and the lower part thin, the Huang Daoguang plate 9 can place the front side of the protrusion above the red light guide plate 6, and the partition plate and the red light guide plate 6 can be covered at the thin lower part of the Huang Daoguang plate 9. The Huang Daoguang plates 9 and the light-emitting surface of the red light guide plate 6 are juxtaposed up and down.
When the LED yellow light source 2 is individually lighted, light incident from the bottom surface of the Huang Daoguang panel 9 is emitted from the light-emitting surface of the Huang Daoguang panel 9 by the action of the Huang Guangdao light panel member. Huang Guangdao the light panel component functions to alter the path of light.
When the LED red light source 3 is individually lighted, a part of light can be emitted from the light emitting surface of the Huang Daoguang plate 9 under the action of the Huang Guangdao light plate component after entering the Huang Daoguang plate 9 through the light transmitting hole 41, and another part of light of the LED red light source 3 is emitted from the light emitting surface of the red light guide plate 6 after entering the red light guide plate 6. Huang Daoguang plate 9 and red light guide plate 6 make LED yellow light source 2 and LED red light source 3 uniformly emit from lamp. Huang Guangdao the light panel component is used for changing the light angle of yellow light or red light entering the Huang Guangdao light panel, so that the yellow light or the red light is emitted from the front side of the yellow light guide plate.
If the LED yellow light source 2 and the LED red light source 3 are separated by only the partition, the red light guide plate will have optical defects, and a bright line will be unacceptable to the host factory. The function of the baffle is to divide red light into two parts, one part is emitted from the light-emitting surface of the Huang Daoguang plate, and the other part is emitted from the light-emitting surface of the red light guide plate so that the red light is emitted from the two light-emitting surfaces arranged up and down respectively.
Preferably, the top surface of Huang Daoguang plate 9 is beveled and reflective structure 92 is provided on the beveled surface, which is provided on the edge of the rear side of Huang Daoguang plate 9.
The light of the LED yellow light source 2 is injected into the light-transmitting medium of the Huang Daoguang plate 9 through the condenser 91 on the bottom surface of the Huang Daoguang plate 9, and after reaching the reflecting structure in the light-transmitting medium, the light forms reflected light emitted to the light-emitting surface of the Huang Daoguang plate 9 under the action of the reflecting structure, and the reflected light is scattered into the required optical effect in the optical patterns on the light-emitting surface of the Huang Daoguang plate 9.
Preferably, the Huang Guangdao light plate component comprises a reflecting film arranged on the rear frame shell 8, the light of the LED yellow light source 2 is injected into the light-transmitting medium of the Huang Daoguang plate 9 through the condenser on the bottom surface of the Huang Daoguang plate 9, the light forms reflected light rays emitted to the light-emitting surface of the Huang Daoguang plate 9 under the action of the reflecting film after being in the light-transmitting medium, and the reflected light rays are scattered in the optical patterns on the light-emitting surface of the Huang Daoguang plate 9.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (3)
1. The unidirectional lighting system of the lamp is characterized by comprising a PCB (1), a row of LED yellow light sources (2) and a row of LED red light sources (3) which are respectively arranged at two sides of the PCB (1), a partition board (4), a yellow light guide plate component, a red light guide plate (6), a front frame shell (7) and a rear frame shell (8) which are respectively arranged on the top surface of the PCB (1);
The rear frame shell (8), the yellow light guide plate component, the partition board (4), the red light guide plate (6) and the front frame shell (7) are sequentially arranged in the back-to-front direction;
The partition board (4) is arranged on the top surface of the PCB (1), and a row of light holes (41) which are arranged at intervals are formed in the bottom end of the partition board (4);
Each LED yellow light source (2) fixed on the top surface of the PCB (1) is arranged at the interval of two light holes (41), and each LED red light source (3) fixed on the top surface of the PCB (1) is arranged at the corresponding position of the light hole (41) so that the LED yellow light source (2) cannot penetrate through the light hole (41), and a part of light of the LED red light source (3) can penetrate through the light hole (41);
The front side surface of the red light guide plate (6) is a light emitting surface;
The yellow light guide plate component comprises a Huang Daoguang plate (9), and the front side surface of the Huang Daoguang plate (9) is the light-emitting surface and is higher than the front side surface of the red light guide plate (6);
Light incident from the bottom surface of the Huang Daoguang plate (9) of the LED yellow light source (2) is emitted from the light-emitting surface of the Huang Daoguang plate (9) under the action of a Huang Guangdao light plate component;
A part of light of the LED red light source (3) can be emitted from the light emitting surface of the Huang Daoguang plate (9) under the action of a Huang Guangdao light plate component after entering the Huang Daoguang plate (9) through the light holes (41), and the other part of light of the LED red light source (3) is emitted from the light emitting surface of the red light guide plate (6) after entering the red light guide plate (6).
2. A unidirectional light emitting system of a luminaire as claimed in claim 1, characterized in that the top surface of the Huang Daoguang plate (9) is a bevel and a reflective structure (92) is provided on the bevel;
The light of the LED yellow light source (2) is emitted into a light-transmitting medium of the Huang Daoguang plate (9) through a condenser (91) on the bottom surface of the Huang Daoguang plate (9), and after reaching the reflecting structure in the light-transmitting medium, the light forms reflected light emitted to the light-emitting surface under the action of the reflecting structure (92), and the reflected light is scattered in optical patterns of the light-emitting surface.
3. A unidirectional light emitting system of a lamp according to claim 1, characterized in that the yellow light guide plate component comprises a reflective film arranged on the front side of the rear frame shell (8), the light of the LED yellow light source (2) is injected into the light transmission medium of the Huang Daoguang plate (9) through a condenser on the bottom surface of the Huang Daoguang plate (9), the light forms reflected light rays emitted to the light emitting surface under the effect of the reflective film after being in the light transmission medium, and the reflected light rays are scattered in the optical patterns of the light emitting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422315283.0U CN223049881U (en) | 2024-09-23 | 2024-09-23 | One-way lighting system for lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422315283.0U CN223049881U (en) | 2024-09-23 | 2024-09-23 | One-way lighting system for lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223049881U true CN223049881U (en) | 2025-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422315283.0U Active CN223049881U (en) | 2024-09-23 | 2024-09-23 | One-way lighting system for lamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223049881U (en) |
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- 2024-09-23 CN CN202422315283.0U patent/CN223049881U/en active Active
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