CN110966574A - Directional lighting system and lighting system with coexistence of directional lighting and floodlighting - Google Patents
Directional lighting system and lighting system with coexistence of directional lighting and floodlighting Download PDFInfo
- Publication number
- CN110966574A CN110966574A CN201911191842.9A CN201911191842A CN110966574A CN 110966574 A CN110966574 A CN 110966574A CN 201911191842 A CN201911191842 A CN 201911191842A CN 110966574 A CN110966574 A CN 110966574A
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- China
- Prior art keywords
- light
- guide plate
- light guide
- plane
- wedge structure
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Classifications
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
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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
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a directional illumination system and an illumination system with coexisting directional and floodlight, belonging to the illumination technology, wherein the light guide structure existing in the existing directional light-emitting system has complicated volume production process and affects the integral appearance of a lamp. The invention can be compatible with a directional illumination system and a floodlight system, and solves the problem that the two systems can not coexist. The directional lighting system and the floodlighting system are independent systems respectively, and can work independently or simultaneously. And the two do not interfere with each other, so that the lamp effect of coexistence of directional light and floodlight is achieved.
Description
Technical Field
The invention belongs to the lighting technology, and particularly relates to a directional illumination system and an illumination system with coexistence of directional illumination and floodlight.
Background
The existing lamp is deeply favored by consumers due to the uniform light emitting effect by the simple structural design and the optical system, the light source (designed once or repeatedly) of the conventional lamp is arranged at the bottom or the side edge of the lamp to achieve the light emitting effect of floodlight or orientation, but the conventional lamp only has the light emitting effect of floodlight or orientation, and certain specific lamps can simultaneously have floodlight and directional lighting, and are complex in structure and high in cost. Fig. 1 is a schematic diagram of a directional light guide wedge and light extraction in the market, in which a is the light guide wedge and b is parallel light. The light guide structure has complex mass production process, and the inclined plane structure influences the overall appearance of the lamp.
Disclosure of Invention
The invention aims to solve the technical problems and provide a technical task to overcome the defects of complex light guide structure mass production process and influence on the integral appearance of a lamp in the conventional directional light-emitting system, and provides a directional illumination system and an illumination system with coexistent directional illumination and floodlight.
In order to achieve the above object, the directional illumination system of the present invention includes a light guide plate with a wedge structure and a first light source, and is characterized in that: one side of the light guide plate with the optical wedge structure is a light-emitting plane, and the other side of the light guide plate with the optical wedge structure is provided with a reflecting plane, at least one edge of the light guide plate with the optical wedge structure is provided with an incident plane, the first light source and the light-condensing plane are arranged corresponding to the incident plane, the light emitted by the first light source is integrated into parallel light by the light-condensing plane and is incident into the light guide plate with the optical wedge structure through the incident plane, and the light incident into the light guide plate with the optical wedge structure is reflected by the reflecting plane and then is emitted out in parallel light through the.
As a preferable technical means: the other side of light wedge structure light guide plate distributes the groove, the reflecting surface is for forming the inclined plane of groove orientation the incident surface.
As a preferable technical means: the incident surface is an inclined surface.
As a preferable technical means: the incidence plane is two inclined planes and is symmetrical or is one.
As a preferable technical means: the light rays emitted by the first light source are uniformly or non-uniformly distributed.
As a preferable technical means: one side of the light guide plate with the optical wedge structure, which is distributed on the reflecting surface, is a plane.
To achieve the above object, the present invention provides a directional and flood coexisting illumination system, comprising: the directional illumination system comprises a diffusion plate arranged on one side of the light guide plate with the optical wedge structure, wherein the reflection surface is distributed on the side, back to the light guide plate with the optical wedge structure, of the diffusion plate, a backlight source is arranged on one side, back to the light guide plate with the optical wedge structure, of the diffusion plate, and light of the backlight source is diffused through the diffusion plate and the light guide plate with the optical wedge structure in sequence.
To achieve the above object, the present invention provides a directional and flood coexisting illumination system, comprising: the directional illumination system comprises the directional illumination system, wherein a light guide plate is arranged on one side of the light guide plate with the optical wedge structure, which is distributed on the reflecting surface, a side light source is arranged at the edge of the light guide plate, and light rays of the side light source are diffused through the light guide plate and the light guide plate with the optical wedge structure in sequence.
One side of the light guide plate with the optical wedge structure is a light emergent plane, and the other side of the light guide plate with the optical wedge structure is provided with a reflecting plane, at least one edge of the light guide plate with the optical wedge structure is provided with an incident plane, a first light source and a light condensing plane are arranged corresponding to the incident plane, the light condensing plane integrates light rays emitted by the first light source into parallel light and emits the parallel light into the light guide plate with the optical wedge structure through the incident plane, and the light rays emitted into the light guide plate with the optical wedge structure are reflected by the reflecting plane and then emit.
The invention can be compatible with a directional illumination system and a floodlight system, and solves the problem that the two systems can not coexist. The directional lighting system and the floodlighting system are independent systems respectively, and can work independently or simultaneously. And the two do not interfere with each other, so that the lamp effect of coexistence of directional light and floodlight is achieved.
Drawings
FIG. 1 is a schematic diagram of a prior art directional light guide wedge;
FIG. 2 is a schematic diagram of light extraction from the directional light guide wedge of FIG. 1;
FIG. 3 is a schematic view of a wedge-structured light guide plate of the directional illumination system of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic view of a directional and flood coexisting lighting system of the present invention;
FIG. 6 is a schematic view of another directional and flood coexisting lighting system of the present invention;
the reference numbers in the figures illustrate:
10-directional lighting system: 11-light wedge structure light guide plate, 12-first light source, 13-light emergent plane, 14-reflecting plane, 15-incident plane, 16-light condensing plane and 17-groove;
20-flood system: 21-a diffuser plate, 22-a backlight; 23-light guide plate, 24-side light source;
a-light guiding wedge, b-parallel light, c-flood light.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Fig. 5 shows a directional and floodlight coexisting lighting system, which comprises a directional lighting system 10 and a floodlight system 20.
The directional illumination system 10 includes an optical wedge structure light guide plate 11 shown in fig. 1-2, and a first light source 12, where one surface of the optical wedge structure light guide plate 11 is a light exit plane 13, and the other surface is also a plane and is distributed with a reflection plane 14, at least one edge of the optical wedge structure light guide plate 11 is an incident plane 15, the first light source 12 and a light condensing plane 16 are arranged corresponding to the incident plane 15, the light condensing plane 16 integrates light emitted by the first light source 12 into parallel light and emits the parallel light into the optical wedge structure light guide plate 11 through the incident plane 15, and the light incident into the optical wedge structure light guide plate 11 is reflected by the reflection plane 14 and then emits the parallel light through the light exit plane 13.
Specifically, the other surface of the light guide plate 11 is provided with grooves 17, and the reflective surface 14 is an inclined surface facing the incident surface 15 and forming the grooves 17. The incident surface 15 is a slanted surface. The incident surface 15 is two inclined surfaces and is symmetrical, and may be one surface in specific implementation. The light emitted from the first light source 12 is uniformly distributed, and may be non-uniformly distributed in practical applications.
The floodlight system 20 includes a diffusion plate 21 and a backlight source 22, the diffusion plate 21 is located on one side of the light wedge structure light guide plate 11 where the reflection surface 14 is distributed, the backlight source 22 is arranged on one side of the diffusion plate 21 opposite to the light wedge structure light guide plate 11, and light of the backlight source 22 is diffused through the diffusion plate 21 and the light wedge structure light guide plate 11 in sequence. The diffuser 21 may be replaced by a plate having a light diffusing function such as a frosted plate.
In operation, light from the backlight 22 is diffused through the diffuser 21 to form a simple flood system. The light emitted from the diffusion plate 21 passes through the light guide plate 11 with wedge structure and is further diffused into floodlight c, which is independent from the light emitted from the directional illumination system and does not interfere with each other.
Fig. 6 shows another directional and floodlight coexisting lighting system, which comprises a directional lighting system 10 and a floodlight system 20.
The directional illumination system 10 includes an optical wedge structure light guide plate 11 shown in fig. 1-2, and a first light source 12, where one surface of the optical wedge structure light guide plate 11 is a light exit plane 13, and the other surface is also a plane and is distributed with a reflection plane 14, at least one edge of the optical wedge structure light guide plate 11 is an incident plane 15, the first light source 12 and a light condensing plane 16 are arranged corresponding to the incident plane 15, the light condensing plane 16 integrates light emitted by the first light source 12 into parallel light and emits the parallel light into the optical wedge structure light guide plate 11 through the incident plane 15, and the light incident into the optical wedge structure light guide plate 11 is reflected by the reflection plane 14 and then emits the parallel light through the light exit plane 13.
Specifically, the other surface of the light guide plate 11 is provided with grooves 17, and the reflective surface 14 is an inclined surface facing the incident surface 15 and forming the grooves 17. The incident surface 15 is a slanted surface. The incident surface 15 is two inclined surfaces and symmetrical. The light emitted from the first light source 12 is uniformly distributed, and may be non-uniformly distributed in practical applications.
The floodlight system 20 comprises a light guide plate 23 and a side light source 24, wherein the light guide plate 23 is located on one side of the light wedge structure light guide plate 11 where the reflective surface 14 is distributed, the side light source 24 is arranged at the edge of the light guide plate 23, and light rays of the side light source 24 are diffused through the light guide plate 23 and the light wedge structure light guide plate 11 in sequence. The light guide plate 23 may be replaced by silk screen printing or laser dotting and similar plates with light guide function.
When the floodlight works, light rays of the side light source 24 are diffused through the light guide plate 23 to form a simple floodlight system. The light emitted from the light guide plate 23 is further diffused into floodlight c after passing through the light guide plate 11 with the wedge structure, and is independent from the light emitted from the directional illumination system and does not interfere with each other.
Claims (8)
1. Directional illumination system, including light wedge structure light guide plate, first light source, characterized by: one side of the light guide plate with the optical wedge structure is a light-emitting plane, and the other side of the light guide plate with the optical wedge structure is provided with a reflecting plane, at least one edge of the light guide plate with the optical wedge structure is provided with an incident plane, the first light source and the light-condensing plane are arranged corresponding to the incident plane, the light emitted by the first light source is integrated into parallel light by the light-condensing plane and is incident into the light guide plate with the optical wedge structure through the incident plane, and the light incident into the light guide plate with the optical wedge structure is reflected by the reflecting plane and then is emitted out in parallel light through the.
2. The directional illumination system of claim 1, wherein: the other side of light wedge structure light guide plate distributes the groove, the reflecting surface is for forming the inclined plane of groove orientation the incident surface.
3. The directional illumination system of claim 1, wherein: the incident surface is an inclined surface.
4. The directional illumination system of claim 3, wherein: the incidence plane is two inclined planes and is symmetrical or is one.
5. The directional illumination system of claim 1, wherein: the light rays emitted by the first light source are uniformly or non-uniformly distributed.
6. The directional illumination system of claim 1, wherein: one side of the light guide plate with the optical wedge structure, which is distributed on the reflecting surface, is a plane.
7. The lighting system with both orientation and floodlight, which is characterized in that: the directional lighting system as set forth in any one of claims 1 to 6, wherein a diffuser is disposed on one side of the light guide plate with wedge structure, which is distributed on the reflecting surface, a backlight source is disposed on one side of the diffuser opposite to the light guide plate with wedge structure, and light of the backlight source is diffused by the diffuser and the light guide plate with wedge structure in sequence.
8. The lighting system with both orientation and floodlight, which is characterized in that: the directional lighting system comprises the directional lighting system as claimed in any one of claims 1 to 6, wherein a light guide plate is arranged on one side of the light guide plate with the optical wedge structure, which is distributed on the reflecting surface, a side light source is arranged on the edge of the light guide plate, and light rays of the side light source are diffused through the light guide plate and the light guide plate with the optical wedge structure in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191842.9A CN110966574A (en) | 2019-11-28 | 2019-11-28 | Directional lighting system and lighting system with coexistence of directional lighting and floodlighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191842.9A CN110966574A (en) | 2019-11-28 | 2019-11-28 | Directional lighting system and lighting system with coexistence of directional lighting and floodlighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110966574A true CN110966574A (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911191842.9A Pending CN110966574A (en) | 2019-11-28 | 2019-11-28 | Directional lighting system and lighting system with coexistence of directional lighting and floodlighting |
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| CN (1) | CN110966574A (en) |
Citations (9)
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|---|---|---|---|---|
| CN1987606A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Back light module and liquid crystal display module |
| CN101358711A (en) * | 2007-08-01 | 2009-02-04 | 奇美电子股份有限公司 | Light supply apparatus and panel display |
| CN201437963U (en) * | 2009-07-07 | 2010-04-14 | 台湾奈普光电科技股份有限公司 | Structural improvement for light guide plate |
| CN201897100U (en) * | 2010-10-12 | 2011-07-13 | 吴志强 | Illumination device and illumination lamp, advertisement lamp box, signpost box and ultrathin photo frame applying same |
| US20140376261A1 (en) * | 2013-06-20 | 2014-12-25 | Young Lighting Technology Inc. | Back light module |
| CN105487292A (en) * | 2016-01-15 | 2016-04-13 | 京东方科技集团股份有限公司 | Backlight module, display device and driving method thereof |
| CN105805640A (en) * | 2015-01-14 | 2016-07-27 | 元太科技工业股份有限公司 | Front light module and display module |
| CN106195766A (en) * | 2016-07-12 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight, display device and control method thereof |
| CN207301564U (en) * | 2017-09-29 | 2018-05-01 | 扬升照明股份有限公司 | Light source module |
-
2019
- 2019-11-28 CN CN201911191842.9A patent/CN110966574A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1987606A (en) * | 2005-12-23 | 2007-06-27 | 群康科技(深圳)有限公司 | Back light module and liquid crystal display module |
| CN101358711A (en) * | 2007-08-01 | 2009-02-04 | 奇美电子股份有限公司 | Light supply apparatus and panel display |
| CN201437963U (en) * | 2009-07-07 | 2010-04-14 | 台湾奈普光电科技股份有限公司 | Structural improvement for light guide plate |
| CN201897100U (en) * | 2010-10-12 | 2011-07-13 | 吴志强 | Illumination device and illumination lamp, advertisement lamp box, signpost box and ultrathin photo frame applying same |
| US20140376261A1 (en) * | 2013-06-20 | 2014-12-25 | Young Lighting Technology Inc. | Back light module |
| CN105805640A (en) * | 2015-01-14 | 2016-07-27 | 元太科技工业股份有限公司 | Front light module and display module |
| CN105487292A (en) * | 2016-01-15 | 2016-04-13 | 京东方科技集团股份有限公司 | Backlight module, display device and driving method thereof |
| CN106195766A (en) * | 2016-07-12 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight, display device and control method thereof |
| CN207301564U (en) * | 2017-09-29 | 2018-05-01 | 扬升照明股份有限公司 | Light source module |
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Application publication date: 20200407 |
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