CN103867959B - Backlight module and there is the electronic installation of backlight module - Google Patents
Backlight module and there is the electronic installation of backlight module Download PDFInfo
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- CN103867959B CN103867959B CN201210526186.5A CN201210526186A CN103867959B CN 103867959 B CN103867959 B CN 103867959B CN 201210526186 A CN201210526186 A CN 201210526186A CN 103867959 B CN103867959 B CN 103867959B
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- light
- glue frame
- guide plate
- light source
- opening
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Abstract
A kind of backlight module and have the electronic installation of backlight module, backlight module is arranged in the electronic installation with at least one button and includes a light source, a light guide plate, a reflector plate and a glue frame.Light source is used for sending a light beam, the segment beam that light-guide plate guides light source is sent, and reflector plate and is arranged on the side of light source and light guide plate.Glue frame is arranged on light source and the opposite side of light guide plate and wants that, for reflector plate, glue frame is used for spacing light guide plate, and glue frame is formed with at least one opening.At least partly light beam is suitable to the opening by glue frame to irradiate button.
Description
Technical field
The present invention relates to a kind of backlight module and there is the electronic installation of backlight module.
Background technology
In a known electronic, such as mobile phone, the backlight of display module is separate from the light source of button, is also the drive circuit providing key illumination need to additionally arrange light source and correspondence, the most not only increases manufacturing cost and improve power consumption.
In other Known designs, TaiWan, China patent announcement I359956 discloses the portable electronic equipment of a kind of screen and key-press sharing backlight light source, the light that wherein a light source is sent can be transferred to show module and button module by the first light guide sheet and the second light guide sheet respectively, to provide light source to display element and Key element respectively.China Patent Publication No. CN200980116795 discloses a kind of display including backlight and conductive layer, and wherein a part for conductive layer is formed as allowing or to stop the chopper that backlight is passed through, and makes backlight can illuminate basic display unit and deformable button.China Patent Publication No. CN201696950U discloses a kind of back light module unit structure, and it includes a metal backing, a reflecting plate, a light guide plate, blooming piece, lamp bar structure and outside framework, and wherein metal backing and outside framework are equipped with perforate to provide radiating effect.
Summary of the invention
The present invention provides a kind of backlight module having low manufacturing cost and the electronic installation of tool low-power consumption.
Other objects of the present invention and advantage can be further understood from the technical characteristic that disclosed herein.
For reaching one of above-mentioned or purpose or other purposes partially or in whole, one embodiment of the invention provides a kind of backlight module, backlight module is arranged in the electronic installation with at least one button, and backlight module includes a light source, a light guide plate, a reflector plate and a glue frame.Light source is used for sending a light beam, and light guide plate is adjacent to light source and for the segment beam guiding light source to be sent, and reflector plate is arranged on the side of light source and light guide plate.Glue frame is arranged on light source and the opposite side of light guide plate and relative to reflector plate.Glue frame is used for spacing light guide plate, and glue frame is formed with at least one opening, and at least partly light beam passes through the opening of glue frame to irradiate button.
In one embodiment, the position of glue frame opening is arranged to coincide the position of button.
In one embodiment, light source can include multiple light emitting diode, forms a gap area between two adjacent LED, and glue frame aperture position coincides gap area.
In one embodiment, light guide plate has the long limit of relative one and a minor face, and the position of minor face is disposed proximate to button.
Another embodiment of the present invention provides a kind of electronic installation, and it includes a housing, at least one light-penetration key, a backlight module, a display floater and a flexible circuit board.Light-penetration key is arranged on housing, and backlight module is arranged in housing and includes a light source, a light guide plate, a reflector plate and a glue frame.Light source is used for sending a light beam, and light guide plate is adjacent to light source and for the segment beam guiding light source to be sent, and reflector plate is arranged on the side of light source and light guide plate.Glue frame is arranged on light source and the opposite side of light guide plate and relative to reflector plate.Glue frame is used for spacing light guide plate, and glue frame is formed with at least one opening.Display floater is overlapped on light guide plate, and flexible circuit board electrical connection display floater.Flexible circuit board is formed with at least one opening, and segment beam passes through the opening of glue frame and the opening of flexible circuit board to irradiate button.
In one embodiment, the position of button is set to coincide the opening of flexible circuit board.
In sum, embodiments of the invention at least have one of them advantage following:
By the design of above-described embodiment, cause is not required to extra light source and drive circuit can provide the illuminating effect needed for button, therefore manufacturing cost and finished product power consumption can be reduced, and directly formed on glue frame and flexible circuit board opening by make light beam by the way of and Known designs compare and can omit light guide sheet or other need the light guide structure of particular design, it is thus achieved that reduce component cost and improve the effect of backlight module element configuration degree of freedom.
Other objects of the present invention and advantage can be further understood from the technical characteristic that disclosed herein.
Accompanying drawing explanation
Fig. 1 is according to one embodiment of the invention, the schematic diagram of the electronic installation of display one tool light-penetration key.
Fig. 2 is according to one embodiment of the invention, and display is arranged on the schematic diagram of the backlight module in the electronic installation of Fig. 1.
Fig. 3 is the schematic diagram that the backlight module of Fig. 2 is connected with display floater.
[main element symbol description]
10 backlight modules
12 light sources
12a light emitting diode
12b substrate
14 light guide plates
16 reflector plates
18 glue frames
18a glue frame opening
20 electronic installations
22 buttons
24 display floaters
26 flexible circuit boards
26a flexible circuit board opening
27 control circuit plates
28 housings
IN light beam
IR reflects light
Detailed description of the invention
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference in the detailed description of graphic embodiment, can clearly present.The direction term being previously mentioned in following example, such as: upper and lower, left and right, front or rear etc., is only the direction with reference to accompanying drawing.Therefore, the direction term of use is used to illustrate not for limiting the present invention.
Fig. 1 is that Fig. 2 is according to one embodiment of the invention, and display is arranged on the schematic diagram of the backlight module in the electronic installation of Fig. 1 according to one embodiment of the invention, the schematic diagram of the electronic installation of display one tool light-penetration key.Please also refer to Fig. 1 and Fig. 2, design according to one embodiment of the invention, electronic installation 20 has at least one button 22 being arranged on housing 28 and the backlight module 10 being arranged in housing 28, and the lighting source needed for the button 22 of electronic installation 20 and display floater 24 is provided by backlight module 10.As in figure 2 it is shown, backlight module 10 includes light source 12, light guide plate 14, reflector plate 16 and a glue frame 18.Light source 12 is used for sending a light beam, and light guide plate 14 is entered light guide plate 14 adjacent to light source 12 and the segment beam for guiding light source 12 to be sent by light guide plate 14 incidence surface.In one embodiment, light source 12 can be such as to have multiple light emitting diode 12a to be arranged at a light-emitting diode light bar of a substrate (such as circuit board) 12b.Reflector plate 16 is arranged on the side (such as light source 12 and the lower section of light guide plate 14) of light source 12 and light guide plate 14, and glue frame 18 is arranged on the opposite side (the such as side of the exiting surface of light source 12 and the top of light guide plate 14, i.e. light guide plate) of light source 12 and light guide plate 14 and relative to reflector plate 16.Glue frame 18 is for spacing light guide plate 14.In the present embodiment, glue frame 18 is formed with at least one opening 18a and (graphic illustrates four openings, but the present invention is not limited thereto), the segment beam IN sent because of light source 12 can be reflected by reflector plate 16 and form reflection light IR, reflection light IR and segment beam IN can pass through the opening 18a of glue frame 18 and be incident to the button 22 shown in Fig. 1, to provide the illuminating effect needed for button 22.
In one embodiment, the position of glue frame 18 hollow out formation opening 18a can coincide preferably with the position of button 22, to improve illuminating effect.Additionally, if light source 12 includes multiple light emitting diode 12a, then glue frame opening 18a or button 22 be formed as position can coincide between two adjacent LED 12a formed a gap area, to improve the light quantity of reflection light IR entrance glue frame opening 18a and the illuminating effect to button 22, but the present invention is not limited.Furthermore, in one embodiment, when light guide plate 14 has the long limit of relative one and a minor face (not shown), the most multiple light emitting diode 12a may be provided near the position of minor face to reduce the configuration quantity of light emitting diode 12a, and button 22 can be arranged in pairs or groups and is located at the minor face position near light guide plate 14.
Fig. 3 is the schematic diagram that the backlight module of Fig. 2 is connected with display floater.As it is shown on figure 3, display floater 24 is overlapped on light guide plate 14, and one end electrical connection display floater of a flexible circuit board 26, the other end is electrically connected to the control circuit plate 27 of e.g. electronic installation 20.In the present embodiment, because a part for flexible circuit board 26 is positioned on the travel path of segment beam IN and reflection light IR, therefore this part of flexible circuit board 26 can be formed with at least one opening 26a and (graphic illustrate four openings, but the present invention is not limited thereto) to allow that light beam passes through, and opening 26a is overlapping with glue frame opening 18a, that is light beam can (Fig. 3 illustrate button 22 by being incident to button 22 after flexible circuit board opening 26a and glue frame opening 18a, refer to Fig. 1), to provide the illuminating effect needed for button 22.Similarly, flexible circuit board opening 26a forming position can coincide the gap area formed between two adjacent LED 12a, enters the light quantity of flexible circuit board opening 26a improving reflection light IR, but the present invention is not limited.
In sum, embodiments of the invention at least have one of them advantage following:
By the design of above-described embodiment, cause is not required to extra light source and drive circuit can provide the illuminating effect needed for button, therefore manufacturing cost and finished product power consumption can be reduced, and directly formed on glue frame and flexible circuit board opening by allow light beam by the way of, compare with Known designs and can omit light guide sheet or other need the light guide structure of particular design, it is thus achieved that reduce component cost and improve the effect of backlight module element configuration degree of freedom.
The foregoing is only presently preferred embodiments of the present invention, it is impossible to limit the scope that the present invention implements, the most all simple equivalence changes made according to the claims in the present invention and summary of the invention and amendment with this, the most still remain within the scope of the patent.Additionally any embodiment or the claim of the present invention is not necessary to reach the whole purposes that disclosed herein or advantage or feature.Additionally, summary part and title are intended merely to assist patent document search to be used, not it is used for limiting the interest field of the present invention.Additionally, terms such as " first ", " second " mentioned in this specification or claims is only in order to the different embodiment of title or difference naming element (element) or scope, and not it is used for limiting the upper limit in number of elements or lower limit.
Claims (13)
1. a backlight module, is arranged in the electronic installation with at least one button, and this backlight module includes a light source, a light guide plate, a reflector plate and a glue frame；
Wherein this light source is used for sending a light beam；This light guide plate is adjacent to this light source and for this light beam of part guiding this light source to be sent；This reflector plate is arranged on the side of this light source and this light guide plate；This glue frame is arranged on this light source and the opposite side of this light guide plate and relative to this reflector plate, this glue frame is used for this light guide plate spacing, it is characterized in that, this glue frame is formed with at least one opening, and this light beam of at least a part of which part is suitable to by this opening of this glue frame to irradiate this button.
2. backlight module as claimed in claim 1, it is characterised in that the position of this opening of this glue frame is arranged to coincide the position of this button.
3. backlight module as claimed in claim 1, it is characterised in that this light source includes multiple light emitting diode.
4. backlight module as claimed in claim 3, it is characterised in that form a gap area between two these light emitting diodes adjacent, and this opening of this glue frame is formed as position and coincides this gap area.
5. backlight module as claimed in claim 4, it is characterised in that form a gap area between two these light emitting diodes adjacent, and the position of this gap area coincides the position of this button.
6. backlight module as claimed in claim 1, it is characterised in that this light guide plate has the long limit of relative one and a minor face, and the position of this minor face is disposed proximate to this button.
7. an electronic installation, including a housing, arranges at least one light-penetration key, a backlight module, a display floater and a flexible circuit board on the housing, wherein,
This backlight module is arranged in this housing and includes a light source, a light guide plate, a reflector plate and a glue frame；This light source is used for sending a light beam；This light guide plate is adjacent to this light source and for this light beam of part guiding this light source to be sent；This reflector plate is arranged on the side of this light source and this light guide plate；This glue frame, is arranged on this light source and the opposite side of this light guide plate and relative to this reflector plate, this glue frame and for this light guide plate spacing, it is characterised in that this glue frame is formed with at least one opening；
This display floater is overlapped on this light guide plate；
This flexible circuit board electrically connects this display floater, and wherein this flexible circuit board is formed with at least one opening, and this light beam of part by this opening of this glue frame and this opening of this flexible circuit board to irradiate this button.
8. electronic installation as claimed in claim 7, it is characterised in that the position of this opening of this glue frame is arranged to coincide the position of this button.
9. electronic installation as claimed in claim 7, it is characterised in that this light source includes multiple light emitting diode.
10. electronic installation as claimed in claim 8, it is characterised in that the position of this opening of this flexible circuit board is arranged to coincide the position of this button.
11. electronic installations as claimed in claim 9, it is characterised in that form a gap area between two these light emitting diodes adjacent, and the position of this opening of this glue frame coincides this gap area.
12. electronic installations as claimed in claim 11, it is characterised in that form a gap area between two these light emitting diodes adjacent, and the position of this opening of this flexible circuit board coincides this gap area.
13. electronic installations as claimed in claim 7, it is characterised in that this light guide plate has the long limit of relative one and a minor face, and the position of this button is disposed proximate to this minor face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526186.5A CN103867959B (en) | 2012-12-10 | 2012-12-10 | Backlight module and there is the electronic installation of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526186.5A CN103867959B (en) | 2012-12-10 | 2012-12-10 | Backlight module and there is the electronic installation of backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867959A CN103867959A (en) | 2014-06-18 |
| CN103867959B true CN103867959B (en) | 2016-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210526186.5A Expired - Fee Related CN103867959B (en) | 2012-12-10 | 2012-12-10 | Backlight module and there is the electronic installation of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867959B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965355B (en) * | 2015-06-27 | 2019-04-26 | 武汉华星光电技术有限公司 | A kind of touch-control display module and mobile terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002077968A (en) * | 2000-09-04 | 2002-03-15 | Seiko Epson Corp | Lighting device and electronic equipment |
| CN200956323Y (en) * | 2006-10-20 | 2007-10-03 | 盛泓企业有限公司 | Keyboard backlight improved structure |
| TWM333750U (en) * | 2008-01-03 | 2008-06-01 | Ichia Tech Inc | Metal panel structure with multiple color layers of hole-array |
-
2012
- 2012-12-10 CN CN201210526186.5A patent/CN103867959B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002077968A (en) * | 2000-09-04 | 2002-03-15 | Seiko Epson Corp | Lighting device and electronic equipment |
| CN200956323Y (en) * | 2006-10-20 | 2007-10-03 | 盛泓企业有限公司 | Keyboard backlight improved structure |
| TWM333750U (en) * | 2008-01-03 | 2008-06-01 | Ichia Tech Inc | Metal panel structure with multiple color layers of hole-array |
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| Publication number | Publication date |
|---|---|
| CN103867959A (en) | 2014-06-18 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20191210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |