CN102466176A - Light box illumination device capable of converting point light source into uniformly distributed surface light source - Google Patents
Light box illumination device capable of converting point light source into uniformly distributed surface light source Download PDFInfo
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- CN102466176A CN102466176A CN2010105511166A CN201010551116A CN102466176A CN 102466176 A CN102466176 A CN 102466176A CN 2010105511166 A CN2010105511166 A CN 2010105511166A CN 201010551116 A CN201010551116 A CN 201010551116A CN 102466176 A CN102466176 A CN 102466176A
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- light
- spot light
- uniformly distributed
- reflector plate
- accommodation space
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Abstract
The invention discloses a light box illumination device capable of converting a point light source into a uniformly distributed surface light source. The light box illumination device mainly comprises a box, at least one light conversion reflection structure and at least one point light source, wherein the box comprises one accommodation space, and at least one side surrounds the accommodation space. The light conversion reflection structure is arranged on one side of the box; the inner side of the light conversion reflection structure is provided with a plurality of reflection sheets; and each reflection sheet is opposite to the accommodation space, and an angle between each reflection sheet and the side is formed. The point light source is also arranged in the box and corresponds to each reflection sheet. When the simple point light source is illuminated, and light rays are cast to the light conversion reflection structure, each reflection sheet of the light conversion reflection structure reflects the light rays to the accommodation space so as to form the soft and bright uniformly distributed surface light source; therefore, the simple device is applied to a display or advertisement box light and can save cost.
Description
Technical field
The invention relates to a kind of Illuminative for sign device that is uniformly distributed with area source that converts to by spot light; Especially refer to a kind of displaying or advertising lamp box of can be used for; It is simplified element, saves cost, but can convert spot light to the soft and bright Illuminative for sign device that is uniformly distributed with area source.
Background technology
Illumination or advertising lamp box are to utilize light source outside light projector in casing, illuminate displaying or advertising panel, and when night is dark, show the content of panel.
Traditional lamphouse light source mostly adopts fluorescent tube as lamphouse light source (as shown in Figure 1); Structure mainly is several the fluorescent tubes 10 of casing 1 inner laying at lamp box; The light source L that fluorescent tube 10 is produced directly is projected to the side of lamp box 1, and makes the observer can see the image ad effect of lamp box 1.
Adopt the structure of traditional fluorescent lamp tubular type lamp box, must prop up fluorescent tubes,, be not inconsistent present practice demand in fact no matter all undesirable with regard to cost or circuit complex connection degree aspect at the inner majority of installing of lamp box.
Along with the progress of science and technology, the spot light product that single-point is strong and bright (like the HID/High-intensitydischarge/ high-intensity gas discharge lamp) occurs, but this type of spot light light concentrates on single-point; Central authorities are very bright, but do not have the effect of diffusion on every side, in order to reach the function of area source; The spot light matrix must gather in casing; Or on side cloth a whole row spot light, let a light uniformization with the light-passing board of cloudy surface again, this still can cause its cost high.
In the above-mentioned way, except side is set up an office the mode of light source, another bigger shortcoming be light source cloth behind display panel, can make the thickness of whole lamp box become thicker, narrow and small environment is difficult to use everywhere in the space, city.
Recently, also have the people with LCD LGP transposition in lamp box, but be subject to LGP production fixed size specification, and the size big unit cost that heals higher, have only the specific undersized lamp box of minority to use, it is expensive also to want the user to accept.
By the above, present illumination or advertising lamp box are subject to used light source, exist the many and thicker of element, or the high problem of cost.
Summary of the invention
The present invention is directed to the light source problem of illumination or advertising lamp box, provide mechanism simple can convert the Illuminative for sign device that is uniformly distributed with area source to by spot light again, it is to utilize light conversion catoptric arrangement to be located at the side of light box; And the inboard of light conversion catoptric arrangement is provided with a plurality of reflector plates; Each reflector plate is in the face of in the casing, and with side at angle, other establishes a spot light in casing; And corresponding each reflector plate; When spot light is lighted and ray cast to light is changed catoptric arrangement, each reflector plate of light conversion catoptric arrangement can reflex to light in the casing, and form one be uniformly distributed with, the soft and bright area source that is uniformly distributed with.
And proposed by the invention convert the Illuminative for sign device that is uniformly distributed with area source to by spot light; Mainly include a casing, at least one light conversion catoptric arrangement and at least one spot light; Wherein casing comprises an accommodation space and at least one side around this accommodation space, and light conversion catoptric arrangement is located at a side of this casing, and the inboard of light conversion catoptric arrangement is provided with a plurality of reflector plates; Each reflector plate is in the face of this accommodation space; And with described side at angle, spot light also is located on this casing, and corresponding described each reflector plate; Mat it, when lighting with the spot light of simplifying and ray cast to light is changed catoptric arrangement, each reflector plate of light conversion catoptric arrangement can reflex to this accommodation space with light, is uniformly distributed with area source and form one; So, if spot light and light conversion catoptric arrangement, the element that promptly can simplify and lower cost, and obtain the soft and bright area source that is uniformly distributed with.
Described spot light is arranged on the described light conversion catoptric arrangement; So can change catoptric arrangement in light by first assembling points light source, easily light changed catoptric arrangement again and be installed on the casing, the assembly and disassembly operation is all very convenient; The relative position that also can guarantee spot light and each reflector plate is on the location, and makes the area source that becomes to be uniformly distributed with after the light reflection of spot light.
Described light conversion catoptric arrangement is protruded out towards said accommodation space by said side, and described reflector plate and described side are a zigzag and lay continuously; So, light conversion catoptric arrangement can be single element.Industry can strike out light conversion catoptric arrangement by a metallic plate, and forms reflector plate simultaneously.
Wherein, described light conversion catoptric arrangement is that said side protrudes out a holder towards said accommodation space and supplies described spot light setting, and make described spot light by described accommodation space towards described side projection; Doing so also is to be on the location at the relative position of guaranteeing spot light and each reflector plate, and the area source that makes the light reflection back of spot light become to be uniformly distributed with.And holder also can stamp out in a metallic plate punch forming light conversion catoptric arrangement time together.
Wherein the sawtooth tooth peak of aforementioned reflector plate becomes a tooth depth with described side, and at least one described reflector plate lays in abutting connection with described spot light, and is risen by the reflector plate of the said spot light of this adjacency, and the tooth depth of each reflector plate increases progressively in regular turn; By this, the light of spot light can be guaranteed to project each reflector plate, makes the light of spot light can be reflected into the area source that is uniformly distributed with.
Wherein aforesaid casing comprises two corresponding sides, and also can be provided with reflecting surface in the accommodation space of wherein said casing, the described reflector plate of corresponding each sheet of described reflecting surface; So area source can more be uniformly distributed with softer.
And the Illuminative for sign device that is uniformly distributed with area source that converts to by spot light provided by the present invention from the above; Only need spot light, light conversion catoptric arrangement be set in light box one side; Just area source can be provided, and provide dual side-edge that spot light, light conversion catoptric arrangement all are set, or further establish a reflecting surface again; Then can obtain and more be uniformly distributed with and soft area source, and the device element that is provided is simplified, cost is cheaper.
Description of drawings
Fig. 1 is the intraware configuration schematic diagram of existing lamp box;
Fig. 2 is the intraware configuration schematic diagram that the embodiment of the invention is formed lamp box;
Fig. 3 is the sketch map that shows ray cast among Fig. 2;
Fig. 4 is the stereogram of the embodiment of the invention;
Fig. 5 is the part-structure cutaway view that shows display panel among Fig. 4.
Drawing reference numeral
1 casing
10 fluorescent tubes
11 accommodation spaces
12 sides
13 reflectings surface
2 light conversion catoptric arrangement
21 reflector plates
211 sawtooth tooth peaks
212 tooth depths
22 holders
3 spot lights
4 display panels
41 beam-splitters
42 image layers
The 43 outer hyaline layers that cover
The L fluorescent light source
The L1 throw light
The L2 reflection ray
L3 is reflection ray again
The I bearing of trend
The specific embodiment
See also Fig. 2 and Fig. 3, show the intraware configuration schematic diagram and the ray cast sketch map of embodiment of the invention composition lamp box respectively.
The present invention mainly includes a casing 1, at least one light conversion catoptric arrangement 2 and at least one spot light 3, but the embodiment of the invention in graphic includes two light conversion catoptric arrangements 2 and two spot lights 3, and detailed construction is following:
Wherein casing 1 has an accommodation space 11, and casing 1 comprises at least one side 12 around this accommodation space 11, and the casing 1 of embodiment comprises two corresponding sides 12 among the figure, and also can be provided with reflecting surface 13 in the accommodation space 11 of wherein said casing 1.
Two light conversion catoptric arrangements 2 are located at one of two opposed side edges 12 of this casing 1 respectively; And the inboard of each light conversion catoptric arrangement 2 respectively is provided with a plurality of reflector plate 21, and each reflector plate 21 is adjacent one another are and lay along the bearing of trend I of the side of this casing.That is each reflector plate 21 is adjacent one another are and project the direction of light and stretch out along 3 of this spot lights.
Each reflector plate 21 is in the face of the accommodation space 11 and the reflecting surface 13 of this casing 1 inside; And each reflector plate 21 and described side 12 are at angle; Light conversion catoptric arrangement 2 in the drawing is protruded out by the said accommodation space 11 of said side 12 courts and is a zigzag and laying continuously, protrudes out a holder 22 by said side 12 towards said accommodation space 11 simultaneously.And the sawtooth tooth peak of reflector plate 21 211 is defined as a tooth depth 212 with side 12, and by two in abutting connection with 21 of the reflector plates of holder 22, the tooth depth 212 of each reflector plate 21 increases progressively in regular turn.
As shown in Figure 3; When the throw light L1 that is produced when spot light 3 is projected to light conversion catoptric arrangement 2; Each reflector plate 21 of light conversion catoptric arrangement 2 can be reflected into reflection ray L2 with throw light L1; Reflection ray L2 is again to this accommodation space 11 and reflecting surface 13, and reflecting surface 13 again reflecting part reflection ray L2 be reflection ray L3 again, be uniformly distributed with area source thereby form one at the accommodation space 11 of casing 1.
Again, aforesaid light conversion catoptric arrangement 2 can be single element, and industry can strike out light conversion catoptric arrangement 2 by a slice metallic plate, and is formed with a plurality of reflector plates 21 and a holder 22 simultaneously.So can change catoptric arrangement 2 in light by first assembling points light source 3, easily light changed catoptric arrangement 2 again and be installed on the casing 1, the assembly and disassembly operation is all very convenient; Also can guarantee that the spot light 3 and the relative position of each reflector plate 21 are on the location, and make the area source that becomes to be uniformly distributed with after the light reflection of spot light 3.
The device that the foregoing description provided comprises light conversion catoptric arrangement 2 and spot light 3, even the reflecting surface 13 of casing 1, and the structure of each element simplifies, with low cost, easy to assembly, and it is also very convenient to change spot light 3 in the future.
Consult shown in Figure 4; Utilize structural design of the present invention; Be reflected into the light box 1 of uniform area light source through light conversion catoptric arrangement 2 (or adding a reflecting surface 13) by spot light 3; Install display panel 4 additional in its casing 1 front, one be uniformly distributed with bright, power saving, province's element and show cheaply or advertising lamp box.And the structure of this display panel 4 also can adopt and includes a beam-splitter 41, an image layers 42, the one outer structure (cutaway view as shown in Figure 5) of covering hyaline layer 43 from inside to outside.
The above embodiment that lifts not is in order to limit scope of the present invention, therefore, such as with the foregoing description equivalence, and can convert the Illuminative for sign device that is uniformly distributed with area source to by spot light, all must be contained in the spirit of the present invention only in order to explanation the present invention.
Claims (10)
1. one kind converts the Illuminative for sign device that is uniformly distributed with area source to by spot light, it is characterized in that, describedly converts the Illuminative for sign device that is uniformly distributed with area source to by spot light and comprises:
One casing comprises an accommodation space, and at least one side is formed at around the said accommodation space with a bearing of trend;
At least one light conversion catoptric arrangement; Be located at a side of said casing; Said light conversion catoptric arrangement is provided with the bearing of trend of a plurality of sides along said casing and the reflector plate laid, and said each reflector plate is in the face of said accommodation space, and with the side of said casing at angle;
At least one spot light also is located on the said casing, and corresponding said each reflector plate;
Each reflector plate of the ray cast that wherein said spot light produced to said light conversion catoptric arrangement reflexes to said accommodation space by said reflector plate with said light again and forms one and be uniformly distributed with area source.
2. as claimed in claim 1ly convert the Illuminative for sign device that is uniformly distributed with area source to by spot light, it is characterized in that, said spot light is arranged on the said light conversion catoptric arrangement.
3. as claimed in claim 2ly convert the Illuminative for sign device that is uniformly distributed with area source to by spot light, it is characterized in that, said casing comprises two corresponding sides.
4. as claimed in claim 3ly convert the Illuminative for sign device that is uniformly distributed with area source to, it is characterized in that, be provided with reflecting surface in the accommodation space of said casing, the said reflector plate of corresponding each sheet of said reflecting surface by spot light.
5. the Illuminative for sign device that is uniformly distributed with area source that converts to by spot light as claimed in claim 2; It is characterized in that; Said light conversion catoptric arrangement is protruded out towards said accommodation space by said side, and said reflector plate and said side are a zigzag and lay continuously.
6. the Illuminative for sign device that is uniformly distributed with area source that converts to by spot light as claimed in claim 5; It is characterized in that; Said light conversion catoptric arrangement is that said side protrudes out a holder towards said accommodation space and supplies said spot light setting, and make said spot light by said accommodation space towards said side projection.
7. the Illuminative for sign device that is uniformly distributed with area source that converts to by spot light as claimed in claim 6; It is characterized in that; The sawtooth tooth peak of said reflector plate becomes a tooth depth with said side; And at least one said reflector plate is laid in abutting connection with said spot light, and is risen by the reflector plate of the said spot light of said adjacency, and the tooth depth of each said reflector plate increases progressively in regular turn.
8. as claimed in claim 7ly convert the Illuminative for sign device that is uniformly distributed with area source to by spot light, it is characterized in that, said casing comprises two corresponding sides.
9. as claimed in claim 8ly convert the Illuminative for sign device that is uniformly distributed with area source to, it is characterized in that, be provided with reflecting surface in the accommodation space of said casing, the said reflector plate of corresponding each sheet of said reflecting surface by spot light.
10. the Illuminative for sign device that is uniformly distributed with area source that converts to by spot light as claimed in claim 1; It is characterized in that; Said casing includes a display panel, and the structure of said display panel includes a beam-splitter, an image layers, an outer hyaline layer that covers from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105511166A CN102466176A (en) | 2010-11-18 | 2010-11-18 | Light box illumination device capable of converting point light source into uniformly distributed surface light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105511166A CN102466176A (en) | 2010-11-18 | 2010-11-18 | Light box illumination device capable of converting point light source into uniformly distributed surface light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102466176A true CN102466176A (en) | 2012-05-23 |
Family
ID=46070127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105511166A Pending CN102466176A (en) | 2010-11-18 | 2010-11-18 | Light box illumination device capable of converting point light source into uniformly distributed surface light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102466176A (en) |
-
2010
- 2010-11-18 CN CN2010105511166A patent/CN102466176A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120523 |