CN111306456A - Assembly and method for expressing patterns or characters on thick-wall light guide - Google Patents
Assembly and method for expressing patterns or characters on thick-wall light guide Download PDFInfo
- Publication number
- CN111306456A CN111306456A CN201911347451.1A CN201911347451A CN111306456A CN 111306456 A CN111306456 A CN 111306456A CN 201911347451 A CN201911347451 A CN 201911347451A CN 111306456 A CN111306456 A CN 111306456A
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- Prior art keywords
- thick
- light guide
- light
- wall
- walled
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
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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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
An assembly and a method for expressing patterns or characters on a thick-wall light guide comprise an LED light source and the thick-wall light guide, wherein the side wall of the thick-wall light guide is provided with a light guide optical pattern. This the income light face of thick wall light guide is smooth curved surface type, and the side of thick wall light guide is provided with light guide optical pattern, and light guide optical pattern has the total reflection function, then light propagates in the form of vertical and small amplitude around diffusion in the thick wall light guide to can show out light guide optical pattern's etc. characteristics, light carries out vertical direction through thick wall light guide optical pattern with the light of vertical direction and collimates, and the light after the collimation propagates in the thick wall light guide. The thick-wall light guide is collimated by the curved surface and then is totally reflected, so that light rays can be reflected to the optical patterns, the optical patterns can be well and fully displayed, the light source can be utilized to the maximum extent for the total reflection, and the purposes of strengthening the details and being attractive can be achieved.
Description
Technical Field
The invention relates to the technical field of thick-wall light guides, in particular to an assembly and a method for expressing patterns or characters on a thick-wall light guide.
Background
Thick-walled light guides are a representation method that is often used in a variety of light fixtures, and with the great development of the field of thick-walled light guides, the demands to be met are increasing. However, the light emitted by the conventional LED cannot leak from the side wall of the light guide due to the total reflection effect in the thick-wall light guide, and most of the light is finally emitted from the light-emitting surface
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides an assembly and method for displaying patterns or text on a thick-walled light guide to enhance the detail and appearance of the light guide.
(II) technical scheme
In order to achieve the purpose of strengthening the details and beautifying, the invention provides the following technical scheme: an assembly for displaying patterns or characters on a thick-wall light guide comprises an LED light source and the thick-wall light guide, wherein the side wall of the thick-wall light guide is provided with a light guide optical pattern, the light guide optical pattern has a total reflection function, the light incident surface of the thick-wall light guide is in a smooth curved surface shape, the LED light source is arranged at the light incident surface of the thick-wall light guide, the first light ray and the second light ray generated by the LED light source penetrate through the light incident surface of the thick-wall light guide and extend to the inside of the thick-wall light guide, the first light ray and the second light ray penetrate through the light-emitting surface of the thick-wall light guide through multiple refractions of the inner wall of the thick-wall light guide and extend to the outside of the thick-wall light guide, the light emitting surface of the thick-wall light guide is an inclined surface, and the first light rays and/or the second light rays are refracted through the light guide optical patterns, penetrate through the side wall of the thick-wall light guide and extend to the outside of the thick-wall light guide so as to display the patterns of the light guide optical patterns.
Preferably, the number of the LED light sources is at least two, one of the light sources is located at the center of the focal point of the thick-wall light guide, and the other LED light source is located at the off-focus position of the thick-wall light guide.
Preferably, the two or more LED light sources share a PE board.
Preferably, the light in the vertical direction of the light guide optical pattern is totally reflected as efficiently as possible, and more than two LED light sources are simultaneously transmitted outwards.
Preferably, the more than two LED light sources adopt more than two different color light sources, so that different signal light functions can be realized.
Preferably, the material of the thick-walled light guide is organic transparent glass or a carbonate-based high molecular polymer.
Preferably, the light guide optical pattern is in a polygonal geometric shape or other pattern shapes designed according to requirements, the size of the pattern is designed according to requirements, and the designed pattern facilitates light diffusion, so that light intensity can be better transmitted to a user for observation.
Preferably, more than two LED light sources in the interior can be illuminated simultaneously, or some function according to the need can be designed.
A method of representing a pattern or text on a thick-walled light guide, comprising the steps of,
s1: printing light guide optical patterns on the side walls of the thick-wall light guide;
s2: and an LED light source is arranged at the light incident surface of the thick-wall light guide.
Preferably, the printing of the light guide optical pattern on the side wall of the thick-walled light guide is to engrave a pattern matching the light guide optical pattern on a mold for molding the side wall of the thick-walled light guide when the thick-walled light guide is injection molded.
(III) advantageous effects
Compared with the prior art, the invention provides an assembly and a method for expressing patterns or characters on a thick-wall light guide, which have the following beneficial effects:
1. according to the invention, when the thick-wall light guide is injection molded, the light guide optical patterns are printed on the side wall of the thick-wall light guide, so that light rays can be reflected and refracted when propagating in the thick-wall light guide when encountering the non-transparent light guide optical pattern areas, and the light rays after partial reflection and refraction do not have the total reflection condition in the propagation direction any more, so that the light rays are emitted in the direction in which the light rays cannot be seen in the past to form patterns, and thus a large-area pattern can be formed, the attractiveness of a product is improved, and a larger space can be developed in the shape, so that the luminous patterns on the thick-wall light guide can be observed at different angles to present different patterns, the technological feeling of the product is improved, and the characteristics of the whole vehicle can be met by changing the pattern shape, and the attractiveness of the whole vehicle.
2. The invention can realize various different lights through more than two LED light sources and more than two colors of lights, thereby conveying various different signals, after the lamp is lightened, luminous characters or patterns can be observed from the upper part of the thick-wall light guide, characters and strip patterns with special sections are engraved and printed under the thick-wall light guide, the total reflection is locally destroyed, partial light can be refracted or reflected at the engraved part with the engraving, thereby plane characters or patterns formed by the light can be seen above the thick-wall light guide which can not observe the light in the past, therefore, the invention is more practical and convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective according to the present invention;
fig. 3 is a schematic cross-sectional view of fig. 2.
In the figure, 1LED light source, 2 first light, 3 second light, 4 thick-wall light guide and 5 light guide optical patterns.
Detailed Description
Referring to fig. 1-3, an assembly for displaying patterns or characters on a thick-walled light guide includes an LED light source 1 and a thick-walled light guide 4, a light guide optical pattern 5 is provided on a sidewall of the thick-walled light guide 4, the light guide optical pattern 5 has a total reflection function, the light incident surface of the thick-wall light guide 4 is a smooth curved surface, the light incident surface of the thick-wall light guide 4 is provided with the LED light source 1, a first light ray 2 and a second light ray 3 generated by the LED light source 1 penetrate through the light incident surface of the thick-wall light guide 4 and extend into the light incident surface, the first light ray 2 and the second light ray 3 penetrate through the light emergent surface of the thick-wall light guide 4 and extend to the outside through multiple refractions of the inner wall of the thick-wall light guide 4, the light emergent surface of the thick-wall light guide 4 is inclined, and the first light ray 2 and/or the second light ray 3 are refracted through the light guide optical pattern 5 and penetrate through the side wall of the. The number of the LED light sources 1 is at least two, one of the light sources is positioned in the center of the focus of the thick-wall light guide, and the other LED light source is positioned out-of-focus of the thick-wall light guide. Two or more LED light sources share a PE board.
The light rays in the vertical direction of the light guide optical pattern 5 on the thick-walled light guide 4 are totally reflected as efficiently as possible while more than two LED light sources are propagating outwards. The LED light source 1 adopts more than two light sources with different colors, so that different signal lamp functions can be realized. The thick-walled light guide 4 is made of organic transparent glass or a carbonate-based polymer. The light-guiding optical pattern 5 has a polygonal geometry or other pattern shapes designed as desired. The size of decorative pattern is the design as required, and the decorative pattern of design makes things convenient for the light to diffuse moreover to can be observed the better conduction of illumination intensity for the user. More than two LED light sources 1 inside are lighted at the same time, or some functions according to the needs are designed.
A method of representing a pattern or text on a thick-walled light guide, comprising the steps of,
s1: printing a light guide optical pattern 5 on the side wall of the thick-wall light guide 4, specifically, when the thick-wall light guide 4 is formed by injection molding, engraving a pattern matched with the light guide optical pattern 5 on a mold for forming the side wall of the thick-wall light guide 4;
s2: an LED light source 1 is provided at the light incident surface of the thick-walled light guide 4.
The invention has the beneficial effects that: through when injection moulding thick wall light guide, print out light guide optical pattern on the lateral wall of thick wall light guide, thereby make light meet these non-transparent light guide optical pattern regions and can take place reflection and refraction when the thick wall light guide is inside to be propagated, light after partial reflection and refraction no longer possesses the condition of total reflection in the direction of propagation, thereby jet out in the direction that can not see light in the past, form the pattern, thereby can form the pattern of great area and increase the aesthetic property of product, and then can exert bigger space in the molding, thereby can observe the luminous figure that light guide is last at different angles and present different patterns, and then the thick wall science and technology of product is felt has been increased, through changing the pattern molding, thereby can call for the characteristic of whole car, and then the aesthetic property of whole car has been increased. Through the light of more than two LED lamp sources 1 and more than two kinds of colours, thereby can realize the light of multiple difference, thereby can convey the signal of multiple difference, after the lamps and lanterns are lighted, can observe luminous characters or pattern from thick wall light guide 4 top, carve seal the characters and the stripe pattern of special cross section under thick wall light guide 4, the going on of total reflection has been destroyed locally, some light can be in the partial refraction or reflection that carves seal, thereby can see the plane characters or the figure that the light constitutes above the thick wall light guide 4 that the light can not be observed in the past, so can know from this, the invention is more practical and more convenient.
In use, light emitted by two or more LED light sources 1 is collimated by a thick-walled light guide 4, the light is then totally reflected at the sides in the thick-walled light guide 4 until it comes into contact with the light-guiding optical pattern 5, so that the optical pattern can be fully revealed, then the optical pattern on the thick-wall light guide 4 takes the focal point of the optical system as the conical surface of the conical vertex, and is formed by the optimized arrangement of the conical surface, then the light rays are transmitted in a straight line on the light-emitting surface of the thick-wall light guide 4 and can be diffused all around, thereby better showing the characteristics, characters and strip-shaped patterns with special sections are engraved under the thick-wall light guide 4, the total reflection is locally destroyed, partial light rays can be refracted or reflected out at the engraved part, so that the light-constituting text or graphics can be seen above the thick-walled light guide 4, where light was not previously visible.
In summary, the thick-walled light guide 4 is collimated by using a curved surface and then totally reflected, so that light can be reflected to the light guide optical pattern 5, thereby the optical pattern can be better and fully displayed, thereby the light source can be utilized to the maximum extent for totally reflecting, the aesthetic property of the product is increased, the space which can be exerted on the shape is larger, the character which can emit light can enhance the identification degree of the brand by engraving characters, and the characteristics of the whole vehicle can be called by changing the shape of the pattern, so that the invention can achieve the purpose of strengthening the details and the aesthetic property, and can realize various different lights by more than two LED light sources 1 and more than two colors of lights, thereby various different signals can be transmitted, characters and strip-shaped patterns with special sections are engraved under the thick-walled light guide 4, the total reflection is locally damaged, part of the light is refracted or reflected at the engraved portion, so that a flat letter or figure composed of the light can be seen above the thick-walled light guide 4 where the light could not be seen in the past, and thus it can be understood that the present invention is more practical and convenient.
Claims (10)
1. An assembly for representing patterns or text on a thick-walled light guide, comprising an LED light source (1) and a thick-walled light guide (4), characterized in that: the side wall of the thick-wall light guide (4) is provided with a light guide optical pattern (5), the light guide optical pattern (5) has a total reflection function, the light incident surface of the thick-wall light guide (4) is in a smooth curved surface shape, the light incident surface of the thick-wall light guide (4) is provided with the LED lamp source (1), first light rays (2) and second light rays (3) generated by the LED lamp source (1) penetrate through the light incident surface of the thick-wall light guide (4) and extend to the inside of the thick-wall light guide, the first light rays (2) and the second light rays (3) penetrate through the light emergent surface of the thick-wall light guide (4) through multiple refractions of the inner wall of the thick-wall light guide (4) and extend to the outside of the thick-wall light guide, the light emergent surface of the thick-wall light guide (4) is an inclined surface, and the first light rays (2) and/or the second light rays (3) are refracted by the, to show the pattern of the light-guiding optical pattern (5).
2. An assembly for representing designs or text on thick-walled light guides according to claim 1, wherein: the number of the LED light sources (1) is at least two, one of the light sources is located in the center of the focal point of the thick-wall light guide, and the other LED light source is located in the out-of-focus position of the thick-wall light guide.
3. An assembly for representing designs or text on thick-walled light guides according to claim 1, wherein: the two or more LED light sources share a PE plate.
4. An assembly for representing designs or text on thick-walled light guides according to claim 1, wherein: the light rays in the vertical direction of the light guide optical pattern (5) on the thick-wall light guide (4) are subjected to total reflection as efficiently as possible, and more than two LED light sources are transmitted outwards.
5. An assembly for representing designs or text on thick-walled light guides according to claim 2, wherein: the LED light source (1) adopts more than two different colors of light sources.
6. An assembly for representing designs or text on thick-walled light guides according to claim 1, wherein: the thick-walled light guide (4) is made of organic transparent glass or a carbonate-based high polymer.
7. An assembly for representing designs or text on thick-walled light guides according to claim 1, wherein: the light guide optical pattern (5) is in a polygonal geometric shape or other pattern shapes designed according to requirements.
8. An assembly for representing designs or text on thick-walled light guides according to claim 2, wherein: the internal two or more LED light sources (1) are simultaneously lighted.
9. A method of representing a pattern or text on a thick-walled light guide, characterized by: comprises the following steps of (a) carrying out,
s1: printing a light guide optical pattern (5) on the side wall of the thick-wall light guide (4);
s2: and an LED lamp source (1) is arranged at the light incident surface of the thick-wall light guide (4).
10. A method of representing patterns or text on a thick-walled light guide according to claim 9, wherein: the printing of the light guide optical pattern (5) on the side wall of the thick-wall light guide (4) is specifically,
when the thick-wall light guide (4) is injection molded, patterns matched with the light guide optical patterns (5) are engraved on a mold for molding the side wall of the thick-wall light guide (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911347451.1A CN111306456A (en) | 2019-12-24 | 2019-12-24 | Assembly and method for expressing patterns or characters on thick-wall light guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911347451.1A CN111306456A (en) | 2019-12-24 | 2019-12-24 | Assembly and method for expressing patterns or characters on thick-wall light guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111306456A true CN111306456A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911347451.1A Pending CN111306456A (en) | 2019-12-24 | 2019-12-24 | Assembly and method for expressing patterns or characters on thick-wall light guide |
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| CN (1) | CN111306456A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696846A (en) * | 2015-03-04 | 2015-06-10 | 上海小糸车灯有限公司 | LED optical structure for car lamps |
| CN107448868A (en) * | 2017-09-28 | 2017-12-08 | 上海小糸车灯有限公司 | The signal lamp Optical devices of three-dimensional lighting |
| CN108089257A (en) * | 2018-02-11 | 2018-05-29 | 上海小糸车灯有限公司 | Segmentation luminous light guide and light guide assemblies |
| CN109210492A (en) * | 2018-10-08 | 2019-01-15 | 马瑞利汽车零部件(芜湖)有限公司 | Multi-functional heavy wall Light-guiding optics system |
-
2019
- 2019-12-24 CN CN201911347451.1A patent/CN111306456A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696846A (en) * | 2015-03-04 | 2015-06-10 | 上海小糸车灯有限公司 | LED optical structure for car lamps |
| CN107448868A (en) * | 2017-09-28 | 2017-12-08 | 上海小糸车灯有限公司 | The signal lamp Optical devices of three-dimensional lighting |
| CN108089257A (en) * | 2018-02-11 | 2018-05-29 | 上海小糸车灯有限公司 | Segmentation luminous light guide and light guide assemblies |
| CN109210492A (en) * | 2018-10-08 | 2019-01-15 | 马瑞利汽车零部件(芜湖)有限公司 | Multi-functional heavy wall Light-guiding optics system |
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