CN208157303U - Film circuit board - Google Patents
Film circuit board Download PDFInfo
- Publication number
- CN208157303U CN208157303U CN201820423180.8U CN201820423180U CN208157303U CN 208157303 U CN208157303 U CN 208157303U CN 201820423180 U CN201820423180 U CN 201820423180U CN 208157303 U CN208157303 U CN 208157303U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- light
- film
- input point
- light source
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/036—Minimise height
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The utility model provides a kind of film circuit board.Second circuit board is made using light guide plate in the film circuit board, and light source is arranged in the incidence surface of corresponding second circuit board, the light for enabling light source to issue issues after second circuit board is guide-lighting towards light-emitting surface, to which film circuit board has light-emitting function, the film circuit board is applied to illuminated keyboard, light-emitting function can be realized it is not necessary that light emitting structure and light guide structure is additionally arranged, the thickness of keyboard can be reduced, be conducive to the lightening design of illuminated keyboard, it can satisfy the requirement that people are thinned illuminated keyboard, and effectively reduce the element composition of illuminated keyboard, reduce assembling procedure, promote product yield, reduce product cost.
Description
Technical field
The utility model relates to art of keypads more particularly to a kind of film circuit boards.
Background technique
Keyboard is widely used as a kind of common input unit in computer and a variety of different electronic product equipments
Input.With being widely used for electronic product, keyboard occupies critically important ground as the means of man-machine communication in the entire system
Position.
As shown in Figure 1, a kind of existing illuminated keyboard includes backboard 200, luminescent screen 300, light guide plate 400, thin film circuit
Plate 500, elastomer 600, scissor 700 and keycap 800, the keycap 800 are mounted on backboard 200 by scissor 700.
As shown in Fig. 2, the film circuit board 500 of the illuminated keyboard of Fig. 1 is set relatively including first circuit board 510, with first circuit board 510
The second circuit board 530 set, the middle partition 520 between first circuit board 510 and second circuit board 530, wherein described
It is equipped with circuit on one circuit board 510 and second circuit board 530, distinguishes on the first circuit board 510, second circuit board 530
Equipped with circuit contact 540, the region of the middle 520 corresponding circuits contact 540 of partition is equipped with through-hole 550, and elastomer 600 is by key
Film circuit board 500 is pressed after the pressing of cap 800, the circuit contact 540 on first circuit board 510 passes through through-hole 550 and with the
Circuit contact 540 on two circuit boards 530 is connected, and realizes circuit connection.And with the high speed development of science and technology, the thickness of keyboard
It thins down with the requirement of people, it is existing in keyboard structure production, it is usually logical in order to keep keyboard thinner
It crosses using keycap as thin as possible, rubber elastomer, but in the case where guaranteeing keyboard normal use, the keyboard of this kind of structure
Thickness can not be made again thinner, be still unable to satisfy the requirement that people are thinned keyboard.
Utility model content
The purpose of this utility model is to provide a kind of film circuit boards, with light-emitting function, by the film circuit board
Applied to keyboard, light-emitting function can be realized it is not necessary that light emitting structure and light guide structure is additionally arranged, can reduce the thickness of keyboard
Degree, is conducive to the lightening design of illuminated keyboard, can satisfy the requirement that people are thinned illuminated keyboard.
To achieve the above object, the utility model provides a kind of film circuit board, including first circuit board and the first electricity
The second circuit board that road plate is oppositely arranged, the middle partition between first circuit board and second circuit board and corresponding second electricity
The light source of road plate setting, the second circuit board are made of light guide plate, and the second circuit board has incidence surface and light-emitting surface,
The light source corresponds to incidence surface setting, and the light that the light source issues enters second circuit board from incidence surface, then from light-emitting surface
It issues.
The light source includes several LED light, and the light source is integrally formed on the first circuit board, or is attached to
On one circuit board or middle partition, the incidence surface of the LED light against second circuit board is arranged.
The film circuit board is used for illuminated keyboard.
The first circuit board is made of film, and the light-emitting surface of the second circuit board is located at second circuit board far from
The side of one circuit board.
The first circuit board is made of light transmission film, and the middle partition is made of translucent material, the second circuit
The light-emitting surface of plate is located at second circuit board close to the side of first circuit board.
The light-emitting surface of the second circuit board is equipped with light micro-structure and is emitted beam with reinforcing light-emitting surface.
Circuit is set on the first circuit board, the circuit includes several input points, each input point include two not
Surface of the first circuit board towards second circuit board, corresponding first circuit of middle partition are exposed in the contact of connection, the contact
Through-hole is arranged in the input point of plate, and the second circuit board corresponds to the input point setting tie point of first circuit board, the tie point
Expose surface of the second circuit board towards first circuit board, when electric towards the first circuit board pressing tie point or direction second
When road plate presses the input point, two contacts of corresponding input point are electrically connected by tie point described in through-hole.
Two contacts of corresponding input point are completely covered in the tie point；Two contacts of the input point are collectively formed
Outer profile be aligned with the profile of corresponding tie point.
Circle separated in one is collectively formed in two contacts of each input point, and the tie point is rounded.
An I shape, S-shaped or C-shaped gap are formed between two contacts of each input point.
The beneficial effects of the utility model：A kind of film circuit board provided by the utility model is made second using light guide plate
Circuit board, and light source is arranged in the incidence surface of corresponding second circuit board, the light for enabling light source to issue is through second circuit board leaded light
It is issued afterwards towards light-emitting surface, so that film circuit board has light-emitting function, which is applied to illuminated keyboard, is not necessarily to
Additional setting light emitting structure and light guide structure can realize light-emitting function, can reduce the thickness of keyboard, be conducive to light key
The lightening design of disk can satisfy the requirement that people are thinned illuminated keyboard, and effectively reduce the element of illuminated keyboard
Composition reduces assembling procedure, promotes product yield, reduces product cost.
Detailed description of the invention
In order to be further understood that the feature and technology contents of the utility model, please refer to practical new below in connection with this
The detailed description and accompanying drawings of type, however, the drawings only provide reference and explanation, is not used to limit the utility model.
In attached drawing,
Fig. 1 is a kind of existing sectional perspective schematic diagram of illuminated keyboard；
Fig. 2 is the schematic cross-sectional view of the film circuit board of illuminated keyboard shown in FIG. 1；
Fig. 3 is the schematic cross-sectional view of the first embodiment of the film circuit board of the utility model；
Fig. 4 is the schematic cross-sectional view of the second embodiment of the film circuit board of the utility model；
Fig. 5 is the schematic top plan view of an embodiment of two contacts of the input point of the film circuit board of the utility model；
Fig. 6 is the vertical view signal of another embodiment of two contacts of the input point of the film circuit board of the utility model
Figure；
Fig. 7 is the vertical view signal of the another embodiment of two contacts of the input point of the film circuit board of the utility model
Figure.
Specific embodiment
Further to illustrate technological means and its effect that the utility model is taken, below in conjunction with the utility model
Preferred embodiment and its attached drawing are described in detail.
Referring to Fig. 3, the first embodiment of the film circuit board of the utility model includes first circuit board 32 and the first electricity
The second circuit board 34 that road plate 32 is oppositely arranged, the middle partition 36 between first circuit board 32 and second circuit board 34 and
The light source 38 that corresponding second circuit board 34 is arranged, the second circuit board 34 are made of light guide plate, the second circuit board 34
With incidence surface 342 and light-emitting surface 344, the corresponding incidence surface 342 of the light source 38 is arranged, and the light that the light source 38 issues is from entering
Smooth surface 342 enters second circuit board 34, then issues from light-emitting surface 344.The film circuit board is used for illuminated keyboard.
The light source 38 includes several LED light 382, and the light source 38 is attached on first circuit board 32, as variation
Embodiment, the light source 38 can also be integrally formed on the first circuit board 32, can also be attached on middle partition 36,
This will not influence the realization of the utility model.The incidence surface 342 of the LED light 382 against second circuit board 34 is arranged, thus
The light issued by LED light 382 can be injected inside second circuit board 34 through the incidence surface 342 of second circuit board 34, by second
Circuit board 34 uniformly projects after carrying out leaded light from the light-emitting surface 344 of second circuit board 34.
In the first embodiment of the utility model, the first circuit board 32 is made of film, the second circuit
The light-emitting surface 344 of plate 34 is located at side of the second circuit board 34 far from first circuit board 32, thus 34 light-emitting surface of second circuit board
344 light projected directly project the film circuit board.
The light-emitting surface 344 of the second circuit board 34 is equipped with light micro-structure 346 and is emitted beam with reinforcing light-emitting surface 344.
Circuit 324 is set on the first circuit board 32, and the circuit 324 includes several input points 326, each input point
326 include two not connected contacts 328, and first circuit board 32 is exposed towards the surface of second circuit board 34 in the contact 328,
Through-hole 362, corresponding first electricity of the second circuit board 34 is arranged in the input point 326 of the corresponding first circuit board 32 of the middle partition 36
Tie point 348 is arranged in the input point 326 of road plate 32, and the tie point 348 exposes second circuit board 34 towards first circuit board 32
Surface, when pressing the tie point 348 towards first circuit board 32 or press the input point 326 towards second circuit board 34
When, two contacts 328 of corresponding input point 326 are electrically connected by tie point 348 described in through-hole 362.
Two contacts 328 of corresponding input point 326 are completely covered in the tie point 348.Two of the input point 326
The outer profile that contact 328 is collectively formed is aligned with the profile of corresponding tie point 348.To be pressed towards first circuit board 32
The tie point 348 presses the input point 326 for tie point 348 and corresponding two contacts towards second circuit board 34
When 328 connection, tie point 348 is greatly promoted with 328 connection reliability of corresponding two contacts.
The shape and size of two contacts 328 of each input point 326 can be selected according to actual product demand
It selects.The shape and size of tie point 348 can also be selected according to actual product demand.Preferably, each input point
Circle separated in one is collectively formed in 326 two contacts 328, and the tie point 348 is rounded.It is highly preferred that each
The area of two contacts 328 of input point 326 is roughly the same, as shown in Figures 5 to 7, two touchings of each input point 326
An I shape, S-shaped or C-shaped gap are formed between point 328.
Referring to Fig. 4, the second embodiment of the film circuit board for the utility model, the second embodiment and above-mentioned first
The difference of embodiment is that the first circuit board 32 is made of light transmission film, and the middle partition 36 is made of translucent material,
The light-emitting surface 344 of the second circuit board 34 is located at second circuit board 34 close to the side of first circuit board 32, thus the second electricity
The light that plate 34 light-emitting surface 344 in road projects projects the film circuit board after sequentially passing through middle partition 36, first circuit board 32.Its
Yu Jun is identical with the first embodiment, and details are not described herein.
It should be noted that second circuit board 34 is made by using light guide plate in the film circuit board of the utility model, and
Light source 38 is arranged in the incidence surface 342 of corresponding second circuit board 34, and the light for enabling light source 38 to issue is led through second circuit board 34
It issues, namely is made of second circuit board 34, first circuit board 32, middle partition 36, light source 38 thin towards light-emitting surface 344 after light
Luminous and guide-lighting function can be achieved at the same time in membrane circuit board, which is applied to illuminated keyboard, is arranged without additional
Light emitting structure and light guide structure can realize light-emitting function, can reduce the thickness of keyboard, be conducive to the frivolous of illuminated keyboard
Change design, can satisfy the requirement that people are thinned illuminated keyboard, and effectively reduce the element composition of illuminated keyboard, reduces
Assembling procedure promotes product yield, reduces product cost.
In conclusion second circuit board, and corresponding second electricity is made using light guide plate in the film circuit board of the utility model
Light source is arranged in the incidence surface of road plate, and the light for enabling light source to issue issues after second circuit board is guide-lighting towards light-emitting surface, from
And film circuit board has light-emitting function, which is applied to illuminated keyboard, without additional setting light emitting structure and
Light guide structure can realize light-emitting function, can reduce the thickness of keyboard, be conducive to the lightening design of illuminated keyboard, can
Meet the requirement that people are thinned illuminated keyboard, and effectively reduce the element composition of illuminated keyboard, reduces assembling procedure, mention
Product yield is risen, product cost is reduced.
The above, for those of ordinary skill in the art, can with technical solution according to the present utility model and
Technical concept makes other various corresponding changes and modifications, and all these change and modification all should belong to the utility model power
The protection scope that benefit requires.
Claims (10)
1. a kind of film circuit board, which is characterized in that be oppositely arranged including first circuit board (32), with first circuit board (32)
Second circuit board (34), the middle partition (36) and corresponding second being set between first circuit board (32) and second circuit board (34)
The light source (38) of circuit board (34) setting, the second circuit board (34) are made of light guide plate, the second circuit board (34)
With incidence surface (342) and light-emitting surface (344), the light source (38) corresponding incidence surface (342) setting, the light source (38) is issued
Light from incidence surface (342) enter second circuit board (34), then from light-emitting surface (344) issue.
2. film circuit board as described in claim 1, which is characterized in that the light source (38) includes several LED light (382),
The light source (38) is integrally formed on the first circuit board (32), or is attached to first circuit board (32) or middle partition
(36) on, the incidence surface (342) of the LED light (382) against second circuit board (34) is arranged.
3. film circuit board as described in claim 1, which is characterized in that be used for illuminated keyboard.
4. film circuit board as described in claim 1, which is characterized in that the first circuit board (32) is made of film,
The light-emitting surface (344) of the second circuit board (34) is located at the side of second circuit board (34) far from first circuit board (32).
5. film circuit board as described in claim 1, which is characterized in that the first circuit board (32) uses light transmission film system
At the middle partition (36) is made of translucent material, and the light-emitting surface (344) of the second circuit board (34) is located at second circuit board
(34) close to the side of first circuit board (32).
6. film circuit board as described in claim 1, which is characterized in that the light-emitting surface (344) of the second circuit board (34)
It is emitted beam equipped with light micro-structure (346) out with reinforcing light-emitting surface (344).
7. film circuit board as described in claim 1, which is characterized in that circuit is arranged on the first circuit board (32)
(324), the circuit (324) includes several input points (326), and each input point (326) includes two not connected contacts
(328), the contact (328) exposes the surface of first circuit board (32) towards second circuit board (34), the middle partition (36)
Through-hole (362) are arranged in the input point (326) of corresponding first circuit board (32), the corresponding first circuit board of the second circuit board (34)
(32) tie point (348) are arranged in input point (326), and the tie point (348) exposes second circuit board (34) towards the first electricity
The surface of road plate (32) is pressed when towards first circuit board (32) pressing tie point (348) or towards second circuit board (34)
When pressing the input point (326), the two of corresponding input point (326) are electrically connected by through-hole (362) tie point (348)
A contact (328).
8. film circuit board as claimed in claim 7, which is characterized in that the tie point (348) is completely covered corresponding defeated
Two contacts (328) of access point (326)；The outer profile that two contacts (328) of the input point (326) are collectively formed with it is corresponding
Tie point (348) profile alignment.
9. film circuit board as claimed in claim 8, which is characterized in that two contacts of each input point (326)
(328) circle separated in one is collectively formed, the tie point (348) is rounded.
10. film circuit board as claimed in claim 9, which is characterized in that two contacts of each input point (326)
(328) an I shape, S-shaped or C-shaped gap are formed between.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331499 | 2018-03-09 | ||
| CN2018203314998 | 2018-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208157303U true CN208157303U (en) | 2018-11-27 |
Family
ID=62900220
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820417861.3U Active CN208157301U (en) | 2018-03-09 | 2018-03-26 | Film circuit board |
| CN201820415826.8U Active CN208690145U (en) | 2018-03-09 | 2018-03-26 | The keycap of keyboard |
| CN201810254065.7A Pending CN108320971A (en) | 2018-03-09 | 2018-03-26 | Illuminated keyboard |
| CN201820423180.8U Active CN208157303U (en) | 2018-03-09 | 2018-03-26 | Film circuit board |
| CN201820417193.4U Active CN208157302U (en) | 2018-03-09 | 2018-03-26 | Illuminated keyboard |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820417861.3U Active CN208157301U (en) | 2018-03-09 | 2018-03-26 | Film circuit board |
| CN201820415826.8U Active CN208690145U (en) | 2018-03-09 | 2018-03-26 | The keycap of keyboard |
| CN201810254065.7A Pending CN108320971A (en) | 2018-03-09 | 2018-03-26 | Illuminated keyboard |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820417193.4U Active CN208157302U (en) | 2018-03-09 | 2018-03-26 | Illuminated keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN208157301U (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2407443Y (en) * | 2000-03-03 | 2000-11-22 | 固特橡胶股份有限公司 | Improved key structure |
| TWI290723B (en) * | 2003-02-21 | 2007-12-01 | Hosiden Corp | Key-top plate |
| TWI220213B (en) * | 2003-03-04 | 2004-08-11 | Darfon Electronics Corp | Keyboard structure |
| KR200439070Y1 (en) * | 2007-01-03 | 2008-03-18 | (주) 디지로그 디스플레이 | Printing type lighting guide sheet for light source |
| CN101441946A (en) * | 2007-11-22 | 2009-05-27 | 群光电子股份有限公司 | Energy-saving luminous module, key-press structure and keyboard with the same |
| CN101763967B (en) * | 2008-12-24 | 2013-01-30 | 比亚迪股份有限公司 | Key and making method thereof |
| CN101882520B (en) * | 2009-05-08 | 2013-03-27 | 上海向隆电子科技有限公司 | Button device for improving luminous efficiency |
| CN105655178B (en) * | 2015-12-30 | 2018-08-03 | 江苏传艺科技股份有限公司 | Thin film switch |
-
2018
- 2018-03-26 CN CN201820417861.3U patent/CN208157301U/en active Active
- 2018-03-26 CN CN201820415826.8U patent/CN208690145U/en active Active
- 2018-03-26 CN CN201810254065.7A patent/CN108320971A/en active Pending
- 2018-03-26 CN CN201820423180.8U patent/CN208157303U/en active Active
- 2018-03-26 CN CN201820417193.4U patent/CN208157302U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108320971A (en) | 2018-07-24 |
| CN208690145U (en) | 2019-04-02 |
| CN208157302U (en) | 2018-11-27 |
| CN208157301U (en) | 2018-11-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190218 Address after: 518000 Shenzhen City, Guangdong Province, Shenzhen City, Songgang Street, Shapuwei Second Industrial Zone, Dingfeng High-tech Park A, B, B, C building 3-3 Patentee after: Shenzhen Sheng Guang you Cai Jia Electronic Technology Co., Ltd. Address before: 518000 First Floor, Building B, Dingfeng High-tech Park, Shapuwei Community, Songgang Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Sinna Photoelectric Technology Co., Ltd. |