CN1440548A - Light Pipe apparatus - Google Patents
Light Pipe apparatus Download PDFInfo
- Publication number
- CN1440548A CN1440548A CN 01802970 CN01802970A CN1440548A CN 1440548 A CN1440548 A CN 1440548A CN 01802970 CN01802970 CN 01802970 CN 01802970 A CN01802970 A CN 01802970A CN 1440548 A CN1440548 A CN 1440548A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- pcb
- printed circuit
- light
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Optical Couplings Of Light Guides (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A light pipe apparatus is configured to mount on a printed circuit board and includes a base including an indicator surface and a printed circuit board mating surface. The light pipe apparatus further includes a plurality of light pipes configures to be mounted to the base.
Description
Background of the present invention
The present invention relates to the indicator of the mode of operation of determining electronic equipment on the whole, more specifically to the light conversion device as status indicators.
Resemble the such indicator of a plurality of light emitting diodes (LEDs) and be for general on indicating operating status in various types of equipment, power supply and desired action.When loading onto a plurality of light emitting diodes (LEDs) on printed circuit board (PCB), whether these a plurality of light emitting diodes (LEDs) of very difficult sometimes location make the operator easily judge a light emitting diode (LED) and are powered.For example usually printed circuit board (PCB) is positioned in the shell and on roughly vertical with plane, a shell display surface place surface.
In order to solve the above problems, sometimes one independently, a plurality of light emitting diodes (LEDs) and cloth wire harness are installed on the less circuit board a plurality of light emitting diodes (LEDs) and element on the main circuit board are electrically connected.Light emitting diode that can this is less (LED) circuit board and this shell display surface is adjacent and place on selected direction then is so that can easily see from the light signal of this a plurality of light emitting diodes (LEDs) emission.Certainly, independent LED (LED) circuit board and a cost and the complicacy that the cloth wire harness causes adding have been increased.
Except independent LED (LED) circuit board and cloth wire harness, use a photoconductive tube also can transmit light signal from a light emitting diode (LED) that is installed on the main circuit board.Known photoconductive tube comprises a plurality of light-pathes, so that compound if desired a plurality of light emitting diodes (LEDs), the path by corresponding this photoconductive tube can transmit light signal.In order to prevent the interference of light, such photoconductive tube comprises the reflecting surface that makes light be redirected to suitable path.Because need such reflecting surface thereby increased the complexity of the shape of this photoconductive tube.
General introduction of the present invention
One aspect of the present invention relates to a kind of light Pipe apparatus, and in one embodiment, this device comprises a base plate and a support, and wherein this base plate has a circuit board mounting portion, and the shaped design of this part becomes can be installed on the printed circuit board (PCB).
In this embodiment, a plurality of photoconductive tubes extend to this support from this circuit board mounting portion.More particularly, each photoconductive tube have opening being arranged in this circuit board mounting portion and with a corresponding light emitting diode (LED) in a straight line an end and be arranged in an opening of this support and be connected in one at the lip-deep corresponding indicator of this indicator or an end of legend.
Description of drawings
Fig. 1 is the skeleton view of a light Pipe apparatus;
Fig. 2 is the cross sectional view by the mounting portion of the circuit board of this base plate;
Fig. 3 illustrates a schematic legend;
Fig. 4 is the lateral plan of one group of photoconductive tube;
Fig. 5 is the bottom view of this photoconductive tube among Fig. 1; With
Fig. 6 is the lateral plan of a photoconductive tube.
The specific embodiment of the present invention
Fig. 1 shows the skeleton view of an embodiment of a light Pipe apparatus that comprises a base plate 12 and a plurality of photoconductive tube 14.In this embodiment, photoconductive tube is shaped in device for molding.Each photoconductive tube 14 all comprises and one or morely is used to make one first end of each photoconductive tube 14 to stop at a suitable mechanical location with respect to base plate 12.
In embodiment illustrated in fig. 1, base plate 12 also comprises a printed circuit board (PCB) combination or mounting portion 26, one ends 28 and a plurality of from the opening (not shown) of an end face 30 through parts 26 to one bottom surfaces 32.In the time of on being installed in base plate 12, a plurality of these first ends of photoconductive tube 14 are inserted in the end face 30.Bottom 32 at printed circuit board (PCB) bound fraction 26 also comprises, employed a plurality of installation and guide devices when device 10 is installed on the circuit board (not shown).
Fig. 2 is the cross sectional view of the circuit board mounting portion 26 of base plate 12 (shown in Figure 1), and has shown a plurality of openings 40 that comprise top 42 and bottom 44.The top 42 of opening 40 is configured as slidably and cooperates with first end of photoconductive tube 14 (shown in Figure 1).Open 40 bottom 44 and be configured as and allow the circuit board mounting portion, on a plurality of light emitting diodes (LEDs) (not shown) that a printed circuit board (PCB) (not shown) upper surface is installed or with it placed adjacent.A plurality of installation installation and guide devices 34 32 stretch out from the bottom surface.
Fig. 3 is an embodiment of a legend 50.Legend 50 comprises a plurality of grooves 52, and clip 22 (shown in Figure 1) stretches to keep legend 50 adjacent with indicator surface 20 (shown in Figure 1) through this groove 52.In one embodiment, legend 50 is to have only the material of the matt coating of the apparent black of letter and number to make with having.The light that is delivered to second end of photoconductive tube 14 through a conduit in the corresponding photoconductive tube 14 demonstrates the character on the corresponding legend 50.
Fig. 4 is the side view of photoconductive tube 14, and in this embodiment, photoconductive tube 14 links to each other with a plurality of molded links 60.Molded link 60 can keep a plurality of photoconductive tubes 14 fixed to one anotherly and be inserted in the base plate 12 so that a plurality of photoconductive tube 14 can be used as a single unit.In one embodiment, use transparent plastic material, as Lexan plastics, molded light guide pipe 14 and molded link 60.This Lexan sign is the registered trademark of universal electric (GE) company.
Fig. 5 is the elevated bottom perspective view of light Pipe apparatus 10, comprises base plate 12 and photoconductive tube 14.Base plate 12 be for two groups of a plurality of photoconductive tubes 14 designed.Base plate 12 can be designed as photoconductive tube and the photoconductive tube group that is used for any number.Device 10 also comprises a photoconductive tube 70, and its function class is similar to a plurality of photoconductive tubes 14, but is independent photoconductive tube, and obstructed over-molded chain link (top described) is connected with other a plurality of photoconductive tubes.Pipe 70 is with to be similar to an opening 72 of above-mentioned a plurality of openings 40 adjacent, but light enters into single pipe 70 from a side 74 of opening 72.
Fig. 6 is the side view of pipe 70, and this pipe 70 comprises one first end 82 that receives light from the light emitting diode (LED) of for example the inside of opening 72 (shown in Figure 5).Single pipe 70 also comprises second end 84 that light is transmitted through the single pipe opening 25 in the base plate 12 (the two as shown in Figure 1).Be molded in the maintenance tab 86 on the single pipe 70, be configured as with base plate 12 in the opening of analogous shape cooperate so that maintain the position of single pipe 70.
Though the present invention is described by multiple specific embodiment, one of ordinary skill in the art will find out that the present invention can revise use in the spirit and scope of claim.
Claims (16)
1. light Pipe apparatus, it is configured as and can be installed on the printed circuit board (PCB), and described device comprises:
A base plate, it comprises a printed circuit board (PCB) bound fraction and a support, and this printed circuit board (PCB) bound fraction is configured as and can be installed on the printed circuit board (PCB), and this support comprises an indicator surface; With
A plurality of photoconductive tubes, it is configured as and can be installed on the described base plate.
2. a kind of device according to claim 1 comprises that one is configured as and can be installed on the described base plate so that the legend that filters from described photoconductive tube.
3. a kind of device according to claim 2, wherein said legend comprise that at least is used to make a character that filters from described photoconductive tube light.
4. a kind of device according to claim 1, wherein in the bottom surface of described printed circuit board (PCB) bound fraction, described base plate comprises a plurality of openings, each opening be configured as can be installed in a light source placed adjacent on the printed circuit board (PCB).
5. a kind of device according to claim 4, wherein said opening stretches out from the end face of described printed circuit board (PCB) bound fraction, therefore allows described photoconductive tube to be connected with this light source light.
6. a kind of device according to claim 1, wherein at least two described photoconductive tubes are molded together as an independent unit and are configured as and can be used as an independent unit and be installed on the described base plate.
7. a kind of device according to claim 6, wherein said device comprise at least two independent described photoconductive tube unit.
8. a kind of device according to claim 1, wherein said photoconductive tube is molded as with transparent plastic material.
9. be installed in a kind of Optical indicator system on the printed circuit board (PCB), it comprises:
A plurality of light emitting diodes (LEDs), they are configured as and can be installed on this printed circuit board (PCB); With
A light Pipe apparatus, it is configured as and can be installed on this printed circuit board (PCB), and described light Pipe apparatus comprises:
A base plate, it comprises a printed circuit board (PCB) bound fraction and a support, and this printed circuit board (PCB) bound fraction is configured as and can be installed on the printed circuit board (PCB), and this support comprises an indicator surface; With
Be installed in a plurality of photoconductive tubes on the described base plate, they are configured as and can make light be delivered to described indicator surface from described a plurality of light emitting diodes (LEDs).
10. a kind of Optical indicator system according to claim 9, it comprises that also one is installed in the indicator surface of described support and is configured as the legend that can filter from the light of described a plurality of photoconductive tubes.
11. a kind of Optical indicator system according to claim 10, wherein said legend comprise the character of at least one filtration from the light of described photoconductive tube.
12. a kind of Optical indicator system according to claim 9, wherein said base plate comprises a plurality of openings in the bottom of described printed circuit board (PCB) bound fraction, each described opening be configured as can with a placed adjacent in the described a plurality of light emitting diodes that are installed on the printed circuit board (PCB).
Therefore 13. a kind of Optical indicator system according to claim 12, wherein said opening stretches out from the end face of described printed circuit board (PCB) bound fraction, allows described photoconductive tube to become the optical interface of the light that described light emitting diode launches.
14. a kind of Optical indicator system according to claim 9, wherein at least two described photoconductive tubes have formed an independent unit and have been configured as and can be used as an independent unit and be installed in the described base plate.
15. a kind of Optical indicator system according to claim 14, wherein said light Pipe apparatus comprise at least two independent described photoconductive tube unit.
16. a kind of Optical indicator system according to claim 9, wherein said a plurality of photoconductive tubes are molded as by a kind of transparent plastic material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67708800A | 2000-09-29 | 2000-09-29 | |
| US09/677,088 | 2000-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1440548A true CN1440548A (en) | 2003-09-03 |
Family
ID=24717267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01802970 Pending CN1440548A (en) | 2000-09-29 | 2001-09-27 | Light Pipe apparatus |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1320845A2 (en) |
| JP (1) | JP2004510207A (en) |
| CN (1) | CN1440548A (en) |
| WO (1) | WO2002027697A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10333316A1 (en) * | 2003-07-22 | 2005-02-10 | BSH Bosch und Siemens Hausgeräte GmbH | Optical fiber component for optical multi-segment displays |
| GB2502819B (en) * | 2012-06-08 | 2015-09-23 | Dyson Technology Ltd | Vacuum cleaner and a battery pack therefor |
| US20150370007A1 (en) * | 2014-06-23 | 2015-12-24 | Arris Enterprises, Inc. | Light guide with integrated icon |
| EP3518020B1 (en) | 2018-01-30 | 2021-01-13 | InterDigital CE Patent Holdings | Light pipe assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106231A (en) * | 1976-12-06 | 1978-08-15 | Master Specialties Company | Low level light indicator |
| JPS57201735A (en) * | 1981-06-03 | 1982-12-10 | Nissan Motor Co Ltd | Display device for vehicle |
| US5268823A (en) * | 1992-12-01 | 1993-12-07 | Hewlett-Packard Company | Light transmission apparatus for electro-optically coupling to a display panel for an electronic instrument |
| US5481440A (en) * | 1993-12-27 | 1996-01-02 | At&T Corp. | Circuit pack with light pipes |
| US5938324A (en) * | 1996-10-07 | 1999-08-17 | Cisco Technology, Inc. | Light pipe |
| JPH1124608A (en) * | 1997-07-01 | 1999-01-29 | Yokogawa Electric Corp | Led display device |
| US6095851A (en) * | 1997-11-17 | 2000-08-01 | Xircom, Inc. | Status indicator for electronic device |
-
2001
- 2001-09-27 CN CN 01802970 patent/CN1440548A/en active Pending
- 2001-09-27 EP EP01977454A patent/EP1320845A2/en not_active Withdrawn
- 2001-09-27 WO PCT/US2001/031041 patent/WO2002027697A2/en not_active Application Discontinuation
- 2001-09-27 JP JP2002531397A patent/JP2004510207A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1320845A2 (en) | 2003-06-25 |
| WO2002027697A2 (en) | 2002-04-04 |
| WO2002027697A3 (en) | 2003-04-10 |
| JP2004510207A (en) | 2004-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |