CN103699272B - Display device and infrared touch module - Google Patents
Display device and infrared touch module Download PDFInfo
- Publication number
- CN103699272B CN103699272B CN201310722784.4A CN201310722784A CN103699272B CN 103699272 B CN103699272 B CN 103699272B CN 201310722784 A CN201310722784 A CN 201310722784A CN 103699272 B CN103699272 B CN 103699272B
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- Prior art keywords
- light guide
- display device
- plane
- display
- circuit board
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Abstract
The invention provides a display device. The display device can effectively reduce the width of the frame and comprises an infrared touch module, a rear case and a display panel, wherein the infrared touch module comprises a light conducting unit, a circuit board and an infrared emitter, the circuit board is arranged on the light conducting unit, the infrared emitter is arranged on a setting plane of the circuit board, the light conducting unit defines a touch plane, and the included angle between the setting plane and the touch plane is larger than or equal to 0 degree and smaller than or equal to 90 degrees; the rear case is combined with the light conducting unit to form an accommodating space between the rear case and the light conducting unit; the display panel is arranged inside the accommodating space and provided with a display plane which is parallel to the touch plane.
Description
Technical field
The present invention is espespecially a kind of effectively to reduce border width with regard to a kind of display device and its infrared touch control module
Display device and its infrared touch control module.
Background technology
Fig. 1 is referred to, Fig. 1 is the part sectioned view of the display device 1 of prior art.As shown in figure 1, display device 1 is wrapped
Module containing infrared touch control 10, back cover 12, display floater 14, protective glass 16 and center 18.Infrared touch control module 10 is wrapped
Containing light guide 100, circuit board 102 and RF transmitter 104.Circuit board 102 is arranged on light guide 100, and infrared ray
Emitter 104 is arranged in the setting plane 1020 of circuit board 102.Protective glass 16 is arranged on light guide 100 and provides and touches
Control plane 1000.Center 18 is locked on light guide 100 by screw 20, and circuit board 102 is folded in center 18 with leaded light
Between part 100.Back cover 12 is combined with center 18 by engaging or other fixed forms so that accommodation space 22 is formed at light guide
Between 100 and back cover 12.Display floater 14 is arranged in accommodation space 22, and display floater 14 has display plane 140, wherein
The parallel touch surface 1000 of display plane 140.
As shown in figure 1, because circuit board 102 is arranged in the way of it arranges the parallel touch surface 1000 of plane 1020
On light guide 100 so that the frame of display device 1（That is, the side of light guide 100）With certain width W1.Therefore, practise
Know that display device 1 is not suitable for the design of narrow frame.Additionally, when display device 1 is assembled, needing first to lock center 18 with screw 20
It is fixed on light guide 100, then back cover 12 is combined with center 18, not only more expends built-up time and manpower, and number of parts
Can also increase manufacturing cost too much.
The content of the invention
It is an object of the invention to provide a kind of display device and its infrared touch control mould that can effectively reduce border width
Block.
In order to achieve the above object, the present invention provides a kind of display device, comprising：
Infrared touch control module, comprising light guide, circuit board and RF transmitter, the circuit board is arranged at the leaded light
On part, the RF transmitter is arranged in the setting plane of the circuit board, and the light guide defines touch surface, the setting plane
It is more than 0 degree and less than or equal to 90 degree with the angle of the touch surface；
Back cover, is combined with the light guide so that form accommodation space between the light guide and the back cover；And
Display floater, in being arranged at the accommodation space, the display floater has display plane, and the display plane is parallel to this
Touch surface.
Preferably, the light guide has the first joint portion, the back cover has the second joint portion, first joint portion with this
Two joint portions be combined with each other so that the back cover is combined with the light guide.
Preferably, first joint portion is one of trip and connecting hole, second joint portion is the trip and the card
Conjunction hole is wherein another, and the back cover is mutually clamped by the trip with the light guide with the connecting hole.
Preferably, the light guide has limiting section, the limiting section support is connected to the display floater, with by friction tight mode
The display floater is fixed in the accommodation space.
Preferably, also including protective glass, the protective glass is arranged on the light guide, and the protective glass provides the touch-control
Plane.
Preferably, the light direction of the RF transmitter is parallel to the setting plane.
Preferably, the RF transmitter is arranged at the inner side surrounding of the light guide.
The present invention also provides a kind of infrared touch control module, comprising：
Light guide, the light guide defines touch surface；
Circuit board, is arranged on the light guide；And
RF transmitter, is arranged in the setting plane of the circuit board, the angle of the setting plane and the touch surface
More than 0 degree and less than or equal to 90 degree.
Preferably, the parallel setting plane of the light direction of the RF transmitter.
Preferably, the RF transmitter is arranged at the inner side surrounding of the light guide.
In sum, the present invention is that the setting plane of circuit board and the angle of touch surface are set greater than into 0 degree and little
In or equal to 90 degree, even if also the setting plane of circuit board is not parallel with touch surface, effectively to reduce the frame of display device
（That is, the side of light guide）Width.Therefore, display device of the invention is applied to the design of narrow frame.Additionally, of the invention
It is directly to be combined back cover with light guide, exempts the center in known display device, not only can effectively promotes packaging efficiency, and zero
Part is reduced, and can further reduce manufacturing cost.
Description of the drawings
Fig. 1 is the part sectioned view of the display device of prior art.
A kind of axonometric chart of display device that Fig. 2 is provided for first embodiment of the invention.
Fig. 3 is profile of the display device in Fig. 2 along line A-A.
Specific embodiment
To make to have the purpose of the present invention, construction, feature and its function further understanding, hereby coordinate embodiment detailed
It is described as follows.
A kind of solid of the display device 3 for referring to Fig. 2 and Fig. 3, Fig. 2 to provide according to first embodiment of the invention
Figure, Fig. 3 is profile of the display device 3 in Fig. 2 along line A-A.As shown in Figure 2 and Figure 3, display device 3 is touched comprising infrared ray
Control module 30, back cover 32, display floater 34 and protective glass 36.In this embodiment, display device 1 can be filled for liquid crystal display
Put, plasma display system or other display devices, and display floater 34 can be corresponding display panels, plasma-based display surface
Plate or other display floaters.
Infrared touch control module 30 includes light guide 300, circuit board 302 and RF transmitter 304.Infrared emitting
Device 304 can be infrared light emission diode, but be not limited.Circuit board 302 is arranged on light guide 300, and infrared ray is sent out
Emitter 304 is arranged in the setting plane 3020 of circuit board 302.Additionally, light guide 300 defines touch surface 3000.Protection glass
Glass 36 is arranged on light guide 300, and protective glass 36 provides above-mentioned touch surface 3000.As shown in figure 3, infrared emitting
The light direction D of device 304 is generally the setting plane 3020 of parallel circuit boards 302 so that what RF transmitter 304 sent
Infrared ray can be directed to touch surface 3000 by light guide 300.
Back cover 32 is combined with light guide 300 so that accommodation space 38 is formed between light guide 300 and back cover 32.In this
In embodiment, light guide 300 can have the first joint portion 3002, and back cover 32 can have the second joint portion 320.Therefore, it is guide-lighting
Part 300 can be combined with each other by the first joint portion 3002 with back cover 32 with the second joint portion 320 so that back cover 32 and light guide
300 combine.First joint portion 3002 can be trip or connecting hole, and the second joint portion 320 can be the first joint portion 3002 of correspondence
Connecting hole or trip, depending on practical application, and back cover 32 is mutually clamped by trip with light guide 300 with connecting hole.Need
Illustrate, back cover 32 also can be combined with light guide 300 by screw locking or other fixed forms, be not limited with engaging.
Display floater 34 is arranged in accommodation space 38, and display floater 34 has display plane 340, wherein display plane
340 parallel to touch surface 3000.In this embodiment, light guide 300 can have limiting section 3004, and wherein limiting section 3004 can
For fin.When display floater 34 is arranged in accommodation space 38, the limiting section 3004 of light guide 300 can be connected to display floater
34 side, so that display floater 34 is fixed in accommodation space 38 by friction tight mode.
The present invention by the angle theta of the setting plane 3020 of circuit board 302 and touch surface 3000 by being set greater than 0 degree
And less than or equal to 90 degree, even if also the setting plane 3020 of circuit board 302 is not parallel with touch surface 3000, reduce with effectively
The frame of display device 3（That is, the side of light guide 300）Width W2.
It is preferred that as shown in figure 3, the setting plane 3020 of circuit board 302 can be made perpendicular to touch surface 3000（That is, θ
Equal to 90 degree）, so that the width W2 of the frame of display device 3 is reduced to minimum.As shown in Figures 1 and 3, display of the invention dress
Put 3 frame width W2 be significantly less than known display device 1 frame width W1.It should be noted that, due to display floater
34 display plane 340 parallel to touch surface 3000, therefore the setting plane 3020 of circuit board 302 also with display plane 340
Angle be θ.
In practical application, four weekly assemblies of the inner side of light guide 300 arrange array type RF transmitter 304 facing each other with
Infrared receiver（Do not show）.When RF transmitter 304 produces infrared ray, light guide 300 can guide infrared ray
To touch surface 3000, and form a neat infrared net staggeredly.As long as user interdicts red in touch surface 3000
Outside line signal, the processor in display device 3（Do not show）The position interdicted can be parsed, to calculate touch-control position
Put.It should be noted that, the detailed action principle of infrared touch control technology is that here is no longer gone to live in the household of one's in-laws on getting married known to the people of prior art
State.
In sum, the present invention by the setting plane of circuit board and touch surface angle by being set greater than 0 degree and little
In or equal to 90 degree, even if also the setting plane of circuit board is not parallel with touch surface, effectively to reduce the frame of display device
（That is, the side of light guide）Width.Therefore, display device of the invention is applied to the design of narrow frame.Additionally, of the invention
It is directly to be combined back cover with light guide, exempts the center in known display device, not only can effectively promotes packaging efficiency, and zero
Part is reduced, and can further reduce manufacturing cost.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment only implements the example of the present invention.
It must be noted that, the embodiment for having disclosed is not limiting as the scope of the present invention.On the contrary, without departing from the present invention spirit and
In the range of the change made and retouching, belong to the scope of patent protection of the present invention.
Claims (7)
1. a kind of display device, it is characterised in that include：
Infrared touch control module, comprising light guide, circuit board and RF transmitter, the circuit board is arranged at the light guide
On, the RF transmitter is arranged in the setting plane of the circuit board, and the light guide defines touch surface, the setting plane with
The angle of the touch surface is more than 0 degree and less than or equal to 90 degree；
Back cover, is combined with the light guide so that form accommodation space between the light guide and the back cover；And
Display floater, in being arranged at the accommodation space, the display floater has display plane, and the display plane is parallel to the touch-control
Plane.
2. display device as claimed in claim 1, it is characterised in that the light guide has the first joint portion, the back cover has
Second joint portion, first joint portion be combined with each other with second joint portion so that the back cover is combined with the light guide.
3. display device as claimed in claim 2, it is characterised in that first joint portion be trip with connecting hole wherein it
One, second joint portion is that the trip is wherein another with the connecting hole, and the back cover is engaged by the trip with the light guide with this
Hole is mutually clamped.
4. display device as claimed in claim 1, it is characterised in that the light guide has limiting section, and the limiting section support is connected to
The display floater, so that the display floater is fixed in the accommodation space by friction tight mode.
5. display device as claimed in claim 1, it is characterised in that also comprising protective glass, the protective glass is arranged at this
On light guide, the protective glass provides the touch surface.
6. display device as claimed in claim 1, it is characterised in that the light direction of the RF transmitter sets parallel to this
Horizontalization face.
7. display device as claimed in claim 1, it is characterised in that the RF transmitter is arranged at the inner side of the light guide
Surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722784.4A CN103699272B (en) | 2013-12-24 | 2013-12-24 | Display device and infrared touch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722784.4A CN103699272B (en) | 2013-12-24 | 2013-12-24 | Display device and infrared touch module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103699272A CN103699272A (en) | 2014-04-02 |
| CN103699272B true CN103699272B (en) | 2017-04-12 |
Family
ID=50360818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310722784.4A Expired - Fee Related CN103699272B (en) | 2013-12-24 | 2013-12-24 | Display device and infrared touch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103699272B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI553600B (en) * | 2014-11-28 | 2016-10-11 | 佳世達科技股份有限公司 | Display device |
| CN110136598B (en) * | 2018-02-09 | 2021-05-25 | 纬联电子科技(中山)有限公司 | Display assembling mechanism and related display equipment thereof |
| JP7250489B2 (en) * | 2018-11-26 | 2023-04-03 | キヤノン株式会社 | Image processing device, its control method, and program |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203012684U (en) * | 2012-12-05 | 2013-06-19 | 成都吉锐触摸技术股份有限公司 | Infrared touch display |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7042444B2 (en) * | 2003-01-17 | 2006-05-09 | Eastman Kodak Company | OLED display and touch screen |
| CN2751354Y (en) * | 2004-09-15 | 2006-01-11 | 北京汇冠新技术有限公司 | Reflection structured multiple receiving tubes infrared touch screen |
| CN2773799Y (en) * | 2004-10-21 | 2006-04-19 | 北京汇冠新技术有限公司 | Optical path system of infrared touch screen by reflector mirrow |
-
2013
- 2013-12-24 CN CN201310722784.4A patent/CN103699272B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203012684U (en) * | 2012-12-05 | 2013-06-19 | 成都吉锐触摸技术股份有限公司 | Infrared touch display |
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| Publication number | Publication date |
|---|---|
| CN103699272A (en) | 2014-04-02 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20191224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |