CN102024603A - Light guide key module - Google Patents
Light guide key module Download PDFInfo
- Publication number
- CN102024603A CN102024603A CN 201010572075 CN201010572075A CN102024603A CN 102024603 A CN102024603 A CN 102024603A CN 201010572075 CN201010572075 CN 201010572075 CN 201010572075 A CN201010572075 A CN 201010572075A CN 102024603 A CN102024603 A CN 102024603A
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- Prior art keywords
- light guide
- light
- key module
- guide plate
- guide key
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Abstract
The invention discloses a light guide key module used for a keyboard of electronic products, the light guide key module comprises a light guide plate, a glue layer and a metal thin film layer, the bottom surface of the light guide plate is attached to the top surface of the glue layer, and the bottom surface of the glue layer is attached to the metal thin film layer. The light guide key module is characterized by further comprising a light tight ink layer covering a lateral surface of the light guide plate. The light guide key module disclosed by the invention is additionally provided with the light tight ink for covering the lateral surface of the light guide plate, thereby avoiding light leakage from an edge of the light guide plate and achieving good light tight effect.
Description
Technical field
The present invention relates to the electronic product accessory, relate in particular to a kind of light guide key module that is used for the keyboard of electronic product.
Background technology
Along with development of science and technology, the frequency that electronic product occurs in people's life is more and more higher, even has become an indispensable part in people's life.In general, the inboard of electronic product (for example mobile phone, LED, MP3 or MP4 etc.) button often is equiped with light source illuminating button, so that the user still can find sign on the button when using at the dark place with correct selection key.At present, a kind of light source is to illuminate in the some LED lamp of button installed inside, yet this to illuminate the mode structure comparatively complicated, and distribution of light is inhomogeneous, and is brighter from the zone that the LED lamp is near, and darker from LED lamp zone far away, is unfavorable for using.Another kind of light source is in the back side of button installing one deck light guide base plate, is equiped with the LED lamp at an end of light guide base plate.The LED lamp is luminous, guides to the button back side by light guide base plate and illuminates, thereby solved the uneven problem of distribution of light to a certain extent.Yet, when being installed on the button back side, existing light guide base plate its edge section is not sealed light, after the light of light guide plate section is dispersed out, come out by the button slit source easily, and reduce the utilance of light and influenced the outward appearance of product.
Therefore, urgent need is a kind of has the light guide key module of good envelope light effect to address the aforementioned drawbacks.
Summary of the invention
The object of the present invention is to provide a kind of light guide key module with good envelope light effect.
The invention provides a kind of light guide key module for achieving the above object, it comprises light guide plate, glue-line and metal film layer, the bottom surface of described light guide plate fits on the end face of described glue-line, the bottom surface of described glue-line fits on the described metal film layer, described light guide key module also comprises envelope light ink lay, and described envelope light ink lay is covered on the side of described light guide plate.
The present invention compares with prior art, because light guide key module of the present invention set up envelope light ink lay and cover the light guide plate side, thereby avoids light to spill from the edge of light guide plate, reaches good envelope light effect.
Preferably, the height offset appears in the side of described light guide plate and the side of described glue-line, and described envelope light ink lay extends to the edge of the end face of described glue-line from the edge bending of the end face of described light guide plate.
Preferably, the edge of described light guide plate forms two breach, is fitted with light-shielding sheet on the described breach.
Description of drawings
Fig. 1 is the structural representation of light guide key module embodiment of the present invention.
Fig. 2 is the generalized section of light guide key module shown in Figure 1 along the A-A line.
Fig. 3 is the structural representation of light guide plate in the light guide key module shown in Figure 1.
Fig. 4 is the structural representation of light guide key module mesoglea shown in Figure 1.
Fig. 5 is the structural representation of metal film layer in the light guide key module shown in Figure 1.
Fig. 6 is the structural representation of envelope light ink lay in the light guide key module shown in Figure 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme among the embodiment is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 has showed an embodiment of light guide key module of the present invention.Fig. 2 has then showed the cross-section structure of this embodiment light guide key module.Fig. 3 to Fig. 6 is the concrete structure of various piece in the light guide key module among this embodiment.With reference to above-mentioned each figure, below the light guide key module of this embodiment is described in detail.
Extremely shown in Figure 2 as Fig. 1, present embodiment light guide key module 10 is applicable to cell phone keyboard, this light guide key module 10 comprises light guide plate 11, glue-line 12, metal film layer 13 and envelope light ink lay 14, the bottom surface of described light guide plate 11 fits on the end face of described glue-line 12, the bottom surface of described glue-line 12 fits on the described metal film layer 13, and described envelope light ink lay 14 is covered in the side 11a of described light guide plate 11.Particularly, to shown in Figure 6, be formed with several zones of leaded light with leaded light point 11e as Fig. 3 on the described light guide plate 11, thereby can adjust the light in the cell phone keyboard, make light realize effects such as brightness height, good evenness; Described glue-line 12 is used for fixing described metal film layer 13 makes its accurate location; Described metal film layer 13 is used to fit to the printed circuit board (PCB) in the cell phone keyboard, is formed with several conduction buttons 13a on it, and described conduction button 13a is used for the circuit on the printed circuit board (PCB) is produced on-off action; Described envelope light ink lay 14 is printed onto dirty oil on described light guide plate 11 and the glue-line 12 by the silk-screen half tone and forms, and the side 11a of described light guide plate 11 is sealed light.
Particularly, as shown in Figure 2, among this embodiment, the height offset appears in the side 11a of described light guide plate 11 and the side 12a of described glue-line 12, described envelope light ink lay 14 extends to the edge of the end face 12b of described glue-line 12 from the edge bending of the end face 11b of described light guide plate 11, thereby covered the side 11a of described light guide plate 11 closedly, reached good envelope light effect.In addition, as shown in Figure 1, among this embodiment, the upper edge of described light guide plate 11 forms two breach 11c and 11d, is fitted with light- shielding sheet 15a and 15b respectively on described breach 11c and the 11d.Described light- shielding sheet 15a and 15b are used to cover the light that LED lamp position is upwards penetrated, and make light to parallel radiation, thereby improve the utilance of light.
The present invention compares with prior art, because light guide key module of the present invention set up ink lay and cover the light guide plate side, thereby avoids light to spill from the edge of light guide plate, reaches good envelope light effect.In addition, the light guide plate on the light guide key module of the present invention also is fitted with light-shielding sheet, has not only improved the utilance of light but also has made and the subsequent process steps minimizing improved production efficiency.
Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (3)
1. light guide key module, described light guide key module comprises light guide plate, glue-line and metal film layer, the bottom surface of described light guide plate fits on the end face of described glue-line, the bottom surface of described glue-line fits on the described metal film layer, it is characterized in that: described light guide key module also comprises envelope light ink lay, and described envelope light ink lay is covered on the side of described light guide plate.
2. light guide key module as claimed in claim 1 is characterized in that: the height offset appears in the side of described light guide plate and the side of described glue-line, and described envelope light ink lay extends to the edge of the end face of described glue-line from the edge bending of the end face of described light guide plate.
3. light guide key module as claimed in claim 1 is characterized in that: the edge of described light guide plate forms two breach, is fitted with light-shielding sheet on the described breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010572075 CN102024603B (en) | 2010-12-03 | 2010-12-03 | Light guide key module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010572075 CN102024603B (en) | 2010-12-03 | 2010-12-03 | Light guide key module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102024603A true CN102024603A (en) | 2011-04-20 |
| CN102024603B CN102024603B (en) | 2013-06-19 |
Family
ID=43865780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010572075 Expired - Fee Related CN102024603B (en) | 2010-12-03 | 2010-12-03 | Light guide key module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102024603B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374606A (en) * | 2015-12-23 | 2016-03-02 | 江苏传艺科技股份有限公司 | Backlight keyboard structure |
| TWI551923B (en) * | 2014-02-28 | 2016-10-01 | Omron Tateisi Electronics Co | A backlight unit and a display device provided with the backlight unit, and controls the machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862732A (en) * | 2005-05-13 | 2006-11-15 | 三星电子株式会社 | Keypad with light guide layer, keypad assembly and portable terminal |
| CN1892949A (en) * | 2005-07-06 | 2007-01-10 | 三星电子株式会社 | Keypad assembly |
| CN200990313Y (en) * | 2006-09-15 | 2007-12-12 | 英华达（南京）科技有限公司 | Keying structure and electronic device thereof |
| CN101276697A (en) * | 2007-03-29 | 2008-10-01 | 三星电子株式会社 | Keypad assembly |
| US20080296135A1 (en) * | 2007-06-01 | 2008-12-04 | Matsushita Electric Industrial Co., Ltd. | Movable contact element and switch using the same |
| CN201867508U (en) * | 2010-12-03 | 2011-06-15 | 东莞市康德五金电子有限公司 | Light guide plate module |
-
2010
- 2010-12-03 CN CN 201010572075 patent/CN102024603B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862732A (en) * | 2005-05-13 | 2006-11-15 | 三星电子株式会社 | Keypad with light guide layer, keypad assembly and portable terminal |
| CN1892949A (en) * | 2005-07-06 | 2007-01-10 | 三星电子株式会社 | Keypad assembly |
| CN200990313Y (en) * | 2006-09-15 | 2007-12-12 | 英华达（南京）科技有限公司 | Keying structure and electronic device thereof |
| CN101276697A (en) * | 2007-03-29 | 2008-10-01 | 三星电子株式会社 | Keypad assembly |
| US20080296135A1 (en) * | 2007-06-01 | 2008-12-04 | Matsushita Electric Industrial Co., Ltd. | Movable contact element and switch using the same |
| CN201867508U (en) * | 2010-12-03 | 2011-06-15 | 东莞市康德五金电子有限公司 | Light guide plate module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI551923B (en) * | 2014-02-28 | 2016-10-01 | Omron Tateisi Electronics Co | A backlight unit and a display device provided with the backlight unit, and controls the machine |
| CN105374606A (en) * | 2015-12-23 | 2016-03-02 | 江苏传艺科技股份有限公司 | Backlight keyboard structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102024603B (en) | 2013-06-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20131203 |