CN1828132A - Lighting method and apparatus for indicating position and work state of equipment element - Google Patents
Lighting method and apparatus for indicating position and work state of equipment element Download PDFInfo
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- CN1828132A CN1828132A CNA2005100525246A CN200510052524A CN1828132A CN 1828132 A CN1828132 A CN 1828132A CN A2005100525246 A CNA2005100525246 A CN A2005100525246A CN 200510052524 A CN200510052524 A CN 200510052524A CN 1828132 A CN1828132 A CN 1828132A
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- lgp
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- lighting device
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to an illuminate method for instructing the position and working condition of device and relative device, which can be used on separate element and plastic button switch. It comprises a light conducting plate under the displayed element; the whole upper surface and part of lower surface that not relative to the displayed element of said light conducting plate can the reflective surface; and the part of lower surface that relative to the displayed element is a rough surface; therefore, the light that emitted into said light conducting plate can pass the lower hole of displayed element to illuminate said element; the light conducting plate has a column projection, therefore, the light can illuminate the element better.
Description
One, technical field
The present invention relates to a kind of method and apparatus that is used to throw light on, especially a kind of position that is used to indicate electromechanical equipment or its components and parts and duty thereof and to its means of illumination that shines and device.
Two, background technology
In for example night or the electrical equipment of in the dark working, need throw light on for the parts (for example button) of some outbalances, so that relevant people knows relevant devices or the residing state of element by the key information of the demonstration of this illumination, and as required to it as adjusting and changing.
With the button is example, and described button generally includes a key panel, a circuit board (PCB) and at least one gauge tap, and described gauge tap is between key panel and circuit board.Described gauge tap has two classes at least, and the first kind for example is discrete electric switch, and another kind of is plastic key plate (Rubber keypad).
In the prior art, when discrete switch is thrown light on, need be each switch configuration a light source, for example a light emitting diode (LED) light source usually.The benefit of this illumination scheme is to make by the switch of photograph to present more uniform brightness, and shortcoming is that relatively large switches set is thrown light on, and needs the more light source of configuration.Need think better of under the situation of product cost at some, sometimes one preferably white light-emitting diode purchasing price in addition to be higher than 2 yuans, the cost that can make product like this is to the not acceptant stage of product decisions people.
For solving this cost problem, not many when the switch number, as another kind of lighting system, a LGP (light guide) can be set between key panel and circuit board.Described LGP can be made of light-passing plastic, its have at least relative with a key panel and comparatively smooth front and one and circuit board opposing backside surface and, and the side that at least one can printing opacity.Having at least a part of zone to be designed and manufactured as in the described back side can catoptrical surface, and reflecting surface a plurality of dentations, smooth is for example arranged.At least one is set at least one side of LGP for example is the light source of light emitting diode, its emergent light is passed in the LGP that described side penetrates printing opacity.Repeatedly total reflection can take place in wherein a part of light in LGP, and shines larger distance thus.When light propagates into reflecting surface when zone of the dentation in the back side described in the LGP in LGP, understand that some light is reflected and penetrate, and then shine on the button key panel on it through the front of LGP.Thus, described key panel is able to look comparatively bright from the external world because of the illumination of these light, noted by the people.Between key panel and circuit board, LGP is set, can reaches the purpose of saving whole installation cost with one or the less relatively light emitting diode more relatively button that throws light on.
When plastic key plate one class switch is thrown light on, because the area of this class plastic key plate is relatively large, difficulty is provided with LGP between key panel and circuit board, can only adopt the lighting system that is essentially a light source of each key configurations, and therefore the expense of this scheme is higher.
Three, summary of the invention
Therefore, an object of the present invention is to provide a kind of comparatively simple illumination scheme, can be with the illumination of less light source realization to relevant devices and/or element, this scheme is all applicable to discrete component and plastic key plate class switch.
Briefly, the invention discloses a kind of means of illumination and device that for example discrete component and plastic key plate class switch are shown of being used for, the below that is included in element to be shown is provided with a LGP, the entire upper surface of LGP and the part of lower surface are for penetrating the flat surface of light entirely, and another part of its lower surface is to have reflecting surface dentation, smooth; Make into a part of light that injects LGP and pass the hole zone of element lower portions to be shown and illuminate described element.LGP can have columnar protrusions, so that light illuminates described element better.
At the existing problem of the illumination scheme of prior art, the present invention program is arranged on LGP below the circuit board, go up those at circuit board and/or plastic key plate (if any) and at least one light-permeable open area (for example hole zone) is set with the corresponding place of key panel to be thrown light on, and (on light guide sheet, the zone in requisition for backlight illumination is provided with reflecting surface, thereby these reflectings surface can make most light can not meet the inner full-reflection condition to reflect away with direct opposing backside surface zone, these open areas on the LGP; Constitute reflecting surface and can be the coarse hair side or the smooth toothed surfaces of high polishing etc.) a certain size reflecting surface is set, make by the incident of LGP side, in LGP, arrive the described dentation that has through the light of total reflection, smooth, or during coarse reflecting surface, scattering can take place, and make the part scattered light pass through the light transmission part of described key panel and outgoing by the open area of relevant circuit board and plastic key plate (if any), make extraneous relevant people can notice the existence and the state of described button, reach the purpose that shows described element.
Specifically, according to an aspect of the present invention, the invention discloses a kind of be used to the indicate position of electric elements and the means of illumination of duty thereof, be used for indicating information electric and/or at least one element to be shown of plant equipment; Described element to be shown comprises at least one light transmission part at an upper portion thereof, its underpart is combined on the substrate, in the corresponding zone of element to be shown above with it on the described substrate hole zone is set respectively, luminous energy is mapped on the element to be shown of its top from the below in these hole zones; It is characterized in that: a LGP that is made of light transmissive material is set below substrate, described LGP comprises that one is flat upper surface basically, and lower surface, described lower surface is being not flat basically surface with the corresponding zone of described element to be shown, with the corresponding zone of described element to be shown be to have reflecting surface dentation, smooth; In the side of LGP at least one light source is set; Wherein:
(1) light that described at least one light source is sent goes into to inject described LGP with suitable incidence angle, described incident light has reflecting surface dentation, smooth scattering partly takes place at the upper surface of LGP and flat basically lower surface area generation inner full-reflection in lower surface;
(2) part of above-mentioned scattered light is passed the hole zone of described substrate, and and then the part of passing the printing opacity basically of described element to be shown, element to be shown is revealed.
The element to be shown that the present invention is alleged comprises the part of common button, button, knob, plastic key plate, described equipment or their combination.Described button both can be the Switch element, also can be for example only for showing the existence of relevant subject matter, and/or the non-Switch element that is provided with for aesthetics or ergonomics purpose merely.That is to say, the button that the present invention is alleged except that the relevant elements that is used for display device, even can be a spot zone of wishing illuminated literal, character, pattern class, the label of company for example, the trade mark of company or product, performance parameter, warning message etc.The information of described element to be shown includes but not limited to information such as its existence, state.
It is its surperficial at least a portion light transmission part that described element to be shown has a feature.At this moment alleged " surface " both can be front, side, the back side of described element, also can have the part of part arbitrarily for other of element; In general, comparatively desirable scheme is that certain part in the front of described element is set to the light-permeable part.Here alleged " printing opacity " both comprised and also comprised transparent on the ordinary meaning translucent.
Described substrate includes but not limited to circuit board.
Directions such as alleged top, below, side among the present invention, the given a kind of schematic indication of position relation between the just relevant for convenience of description each several part.Those skilled in the art are not difficult according to intention of the present invention, correctly infer really, the accurately and comprehensively implication that these directionality are described under various not kind situations.
According to another aspect of the present invention, the invention discloses a kind of be used for indicating electric or the position of at least one element of plant equipment and the lighting device of duty thereof, the information that is used for described at least one element to be shown of equipment, described equipment comprises that at least one is positioned at element to be shown and at least one laminar substrate of top, described element to be shown comprises at least one part of printing opacity basically at an upper portion thereof, its underpart is combined on the substrate, in the corresponding zone of element to be shown above with it on the described substrate hole zone is set respectively, luminous energy is mapped on the element to be shown of its top from the below in these hole zones; It is characterized in that described lighting device comprises:
(1) at least one light source, be arranged near at least one side of following LGP, be used for light being gone into to inject described LGP with suitable incidence angle, scattering partly takes place in the upper surface of LGP and flat basically lower surface area generation total reflection and have dentation, smooth reflecting surface at lower surface in described incident light;
(2) LGPs that constitute by the material of high light transmittance energy, be positioned at the below of described substrate, comprise that one is flat upper surface basically, also comprise a lower surface, described lower surface is being not flat basically surface with the corresponding zone of described element to be shown, with the corresponding zone of described element to be shown be to have dentation, smooth reflecting surface, be used to accept the incident light of above-mentioned light source, and part light scattered out from described LGP top, and shine described element to be shown through the relevant hole zone of the described substrate of its top;
(3) the described part light that shines on the element to be shown passes light transmission part wherein and outgoing makes described element to be shown be comparatively bright state.
According to a further aspect of the present invention, the invention provides a kind of be used for indicating electric or the position of at least one element of plant equipment and the lighting device of duty thereof, on the basis of said apparatus, described LGP can be the plate on plane basically.
Another kind of situation is that can be one be not the plate that is the plane basically to described LGP yet.The plate of shape can be provided with at least one projection a part that is the plate of flat shape basically for one beyond the described surface plate.Described projection for example can be the projection of column.
The planar section with described LGP is vertical basically for described this or these columnar protrusions, also can be another kind of situation: promptly all columnar protrusions all be divided into an oblique angle with the planar portions of described LGP, are beneficial to coupling and installation between described LGP and the described substrate.
Above-mentioned all columnar protrusions all is particularly useful for light transmission part on described columnar protrusions and the described key panel not on a straight line vertical with respect to the planar section of described LGP with scheme that the planar portions of described LGP is divided into an oblique angle.In this case, can design to such an extent that make light after passing described columnar protrusions, can shine directly into the light transmission part of described key panel, make element obtain brighter demonstration.
Described projection can be for when the described LGP of injection molded, with the part that is the plane basically of described plate injection molded simultaneously; In this case, two different parts on the LGP constitute with commaterial.
Described LGP is injection molded at twice also, the i.e. part that is the plane basically of the described LGP of injection molded and columnar protrusions part respectively are fixed on described columnar protrusions the part that is the plane on the described LGP basically with hot pressing, mode such as bonding or chimeric then.In this case, two parts of described LGP can be made of commaterial, also can be made of different materials.
The material that constitutes described LGP for example can for multiple poly-carbohydrate (polycarbon compounds, PC), more preferably polymethyl methacrylate (polymethyl methacrylate, PMMA).
Four, description of drawings
Fig. 1 shows a kind of device that the button of the plastic key plate that has small size is thrown light in the prior art;
Fig. 2 shows in the prior art a kind of with the discrete component device shown of throwing light on;
Fig. 3 shows a kind of device that the button that has large-area plastic key plate is thrown light on of the present invention.
Five, the specific embodiment
In superincumbent partial content of the present invention and the following examples, represent the element to be shown that the present invention is alleged with button (comprising the combination of the plastic key plate of its key panel, its below).
Fig. 1 shows a kind of device that the button of the plastic key plate that has small size is thrown light in the prior art.Among the figure, number designation 1 expression button, wherein 1a, 1b represent in the button 1 can printing opacity the zone, plastic key plate of 2 expressions, 3 one of expression for example be light emitting diode (LED) light source, 4 represent a circuit board.Adopt this technology, need basically to make the cost of equipment higher for one of each button arrangement for example is led light source.
Fig. 2 shows in the prior art a kind of with the discrete component device shown of throwing light on.Among the figure, LGP of 5 expressions, 6 expressions are essentially that each parts that are shown all is equipped with for example is LED source.
Fig. 3 shows a kind of device that the button that has large-area plastic key plate is thrown light on of the present invention.Among the figure, 5 expressions LGP of the present invention, wherein 5a represents in the LGP light beam to upper process.
Claims (20)
1, a kind ofly be used to indicate the position of equipment component and the means of illumination of duty thereof, be used for indicating information electric and/or at least one element to be shown of plant equipment; Described element to be shown comprises at least one light transmission part at an upper portion thereof, its underpart is combined on the substrate, in the corresponding zone of element to be shown above with it on the described substrate hole zone is set respectively, luminous energy is mapped on the element to be shown of its top from the below in these hole zones; It is characterized in that: a LGP that is made of light transmissive material is set below substrate, described LGP comprises that one is flat upper surface basically, and lower surface, described lower surface is being not flat basically surface with the corresponding zone of described element to be shown, with the corresponding zone of described element to be shown be to have reflecting surface dentation, smooth; In the side of LGP at least one light source is set; Wherein:
(1) light that described at least one light source is sent goes into to inject described LGP with suitable incidence angle, described incident light has reflecting surface dentation, smooth scattering partly takes place at the upper surface of LGP and flat basically lower surface area generation inner full-reflection in lower surface;
(2) part of above-mentioned scattered light is passed the hole zone of described substrate, and and then the part of passing the printing opacity basically of described element to be shown, element to be shown is revealed.
2, means of illumination as claimed in claim 1, it is characterized in that: in the described part that is the LGP of planar shaped basically at least one columnar protrusions is set, makes from the light described in the LGP directly to shine on the element to be shown with reflecting surface partial reflection dentation, smooth.
3, a kind ofly be used to indicate the position of equipment component and the lighting device of duty thereof, be used for indicating information electric and/or at least one element to be shown of plant equipment, described equipment comprises that at least one is positioned at element to be shown and at least one laminar substrate of top, described element to be shown comprises at least one part of printing opacity basically at an upper portion thereof, its underpart is combined on the substrate, in the corresponding zone of element to be shown above with it on the described substrate hole zone is set respectively, luminous energy is mapped on the element to be shown of its top from the below in these hole zones; It is characterized in that described lighting device comprises:
(1) at least one light source, be arranged near at least one side of following LGP, be used for light being gone into to inject described LGP with suitable incidence angle, scattering partly takes place in the upper surface of LGP and flat basically lower surface area generation total reflection and have dentation, smooth reflecting surface at lower surface in described incident light;
(2) LGPs that constitute by the material of high light transmittance energy, be positioned at the below of described substrate, comprise that one is flat upper surface basically, also comprise a lower surface, described lower surface is being not flat basically surface with the corresponding zone of described element to be shown, with the corresponding zone of described element to be shown be to have dentation, smooth reflecting surface, be used to accept the incident light of above-mentioned light source, and part light scattered out from described LGP top, and shine described element to be shown through the relevant hole zone of the described substrate of its top;
(3) the described part light that shines on the element to be shown passes light transmission part wherein and outgoing makes described element to be shown be comparatively bright state.
4, lighting device as claimed in claim 3, wherein said LGP are a plate that is the plane basically.
5, lighting device as claimed in claim 3 is that a part that is the main body of flat shape basically is provided with at least one columnar protrusions at described LGP wherein.
6, lighting device as claimed in claim 5, wherein said the columnar protrusions planar section with described LGP basically are vertical.
7, lighting device as claimed in claim 5, wherein said columnar protrusions all are divided into an oblique angle with the planar portions of described LGP, are beneficial to coupling and installation between described LGP and the described substrate.
8, as the described device of arbitrary claim among the claim 5-7, wherein said columnar protrusions is when the described LGP of injection molded, with the part that is the plane basically of described plate injection molded simultaneously.
9, as the described device of arbitrary claim among the claim 5-7, the part and the columnar protrusions part that it is characterized in that being basically in the described LGP plane are passed through earlier injection molded respectively, then with a kind of part that is the plane on the described LGP basically that described columnar protrusions is fixed on of hot pressing, bonding and chimeric mode.
10, device as claimed in claim 9 is characterized in that the part that is the plane basically of described LGP and columnar protrusions part are made of commaterial.
11, device as claimed in claim 9 is characterized in that the part that is the plane basically of described LGP is made of different materials with the columnar protrusions part.
12, as claim 10 or 11 described devices, the material that it is characterized in that constituting described LGP is a polymethyl methacrylate.
13, as claim 10 or 11 described devices, the material that it is characterized in that constituting described LGP is a kind of poly-carbohydrate.
14, as the described lighting device of arbitrary claim among the claim 3-7, wherein said substrate is a circuit board.
15, as the described lighting device of arbitrary claim among the claim 3-7, wherein said element to be shown comprises the part of at least one button, button, knob, plastic key plate, described equipment or their combination.
16, as the described lighting device of arbitrary claim in the claim 8,10,11, wherein said element to be shown comprises the local of at least one button, button, knob, plastic key plate, described equipment or and their combination.
17, the lighting device described in claim 12, wherein said element to be shown comprise the part of at least one button, button, knob, plastic key plate, described equipment and their combination.
18, as the described lighting device of arbitrary claim among the claim 3-7, wherein said element to be shown is the Switch element.
19, as the described lighting device of arbitrary claim among the claim 3-7, wherein said element to be shown is spot zone of wishing illuminated literal, character, pattern class on the described equipment.
20, lighting device as claimed in claim 19, at least a in the trade mark of label, company or product that wherein said element to be shown is a company, the performance parameter of equipment, the warning message or their combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100525246A CN1828132A (en) | 2005-02-28 | 2005-02-28 | Lighting method and apparatus for indicating position and work state of equipment element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100525246A CN1828132A (en) | 2005-02-28 | 2005-02-28 | Lighting method and apparatus for indicating position and work state of equipment element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1828132A true CN1828132A (en) | 2006-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100525246A Pending CN1828132A (en) | 2005-02-28 | 2005-02-28 | Lighting method and apparatus for indicating position and work state of equipment element |
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| Country | Link |
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| CN (1) | CN1828132A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851541A (en) * | 2012-12-06 | 2014-06-11 | 现代摩比斯株式会社 | Button lighting structure of audio visual system for vehicle |
| CN107390312A (en) * | 2017-07-01 | 2017-11-24 | 深圳市九洲电器有限公司 | Set top box light-guiding pillar and set top box |
| CN109982125A (en) * | 2019-04-29 | 2019-07-05 | 骏升科技（扬州）有限公司 | A kind of large aperture multicolour light transmission remote controler |
-
2005
- 2005-02-28 CN CNA2005100525246A patent/CN1828132A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851541A (en) * | 2012-12-06 | 2014-06-11 | 现代摩比斯株式会社 | Button lighting structure of audio visual system for vehicle |
| CN103851541B (en) * | 2012-12-06 | 2018-02-16 | 现代摩比斯株式会社 | The button light structures of automobile using AV systems |
| CN107390312A (en) * | 2017-07-01 | 2017-11-24 | 深圳市九洲电器有限公司 | Set top box light-guiding pillar and set top box |
| WO2019007157A1 (en) * | 2017-07-01 | 2019-01-10 | 深圳市九洲电器有限公司 | Set-top box light guide column and set-top box |
| CN109982125A (en) * | 2019-04-29 | 2019-07-05 | 骏升科技（扬州）有限公司 | A kind of large aperture multicolour light transmission remote controler |
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Open date: 20060906 |