CN102968223A - Infrared touch screen - Google Patents
Infrared touch screen Download PDFInfo
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- CN102968223A CN102968223A CN2012105152637A CN201210515263A CN102968223A CN 102968223 A CN102968223 A CN 102968223A CN 2012105152637 A CN2012105152637 A CN 2012105152637A CN 201210515263 A CN201210515263 A CN 201210515263A CN 102968223 A CN102968223 A CN 102968223A
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- touch
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- cushion cap
- screen body
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Abstract
The invention discloses an infrared touch screen, comprising a light guide column, a touch screen body, a circuit board and an infrared tube, wherein a bearing platform integrated with the light guide column is arranged on the light guide column; the bearing platform is positioned between the touch screen body and the circuit board; the touch screen body is fixedly connected with the bearing platform; and the circuit board is fixedly connected with the bearing platform. The infrared touch screen can transmit infrared light emitted by an infrared emitting tube to an infrared receiving tube in minimum attenuation and can avoid the edge effect, so that the touch screen body and the circuit board can be positioned and mounted, the touch screen body maintains high parallelism and the suspension height is further reduced.
Description
Technical field
The present invention relates to a kind of touch-screen, relate in particular to a kind of infrared touch panel.
Background technology
Existing infrared touch product, it adopts mode all is by by being installed in X, Y-direction arrange uniform infrared transmitting tube and infrared receiving tube around along the touch area, driving circuits drives infrared transmitting tube and infrared receiving tube under the control of MCU run time version, the infrared ray matrix that corresponding scanning formation directions X and Y-direction are intersected anyhow.When touch was arranged, finger or other object will block the anyhow infrared ray through this point, judge the position of touch point on touch-screen by control system.
At present in the infrared touch panel field, be 200820109789.4 " a kind of catoptron that is applied on the touch-screen " such as the patent No., this invention fundamental purpose is: utilize principle of reflection will, the element number that transmits and receives that reduces on the infrared touch panel reduces by half; The cardinal principle that such as the patent No. is " a kind of multi-point touch panel of pure flat structure " this invention of 201020271758.6 is: increased a light guide plate on the basis of common infrared touch panel, be used for filling the cavity on the common touch-screen touch face, seem pure flat effect thereby reach the surface; Such as 200710028616.X " a kind of infrared touch panel and multi-point touch locating method thereof " etc.No matter be single-point or Multi-point infrared touch-screen in existing infrared touch panel patented technology or the product, the basic assembling mode of its infrared touch panel all is that infrared tube is put on the touch face of touch-screen, in this structure, all has following problem:
1, the ability of anti-light interference.Existing infrared touch panel, because infrared tube is to be placed on the touch face, outside light is easy to be mapped to infrared receiver, thereby affects the normal operation of touch-screen, and therefore general screen body all can not be in the lower normal operation of high light (such as sunlight or stronger incandescent lamp).
2, all there is wider and higher edge projection in four limits of infrared touch panel touch face.In existing infrared touch panel field; infrared tube generally all is installed in the top that the screen body touches face; add the thickness of infrared tube protection structure; thereby the quadrilateral at the screen body becomes higher and wider edge projection; installation and touch apparatus appearance design to touch-screen produce very large restriction, are not easy for the manufacture of real integrated infrared touch product.
For the problems referred to above, US Patent No. 2007/0165008 A1 " a kind of Minitype infrared screen touch screen device ", reduce touch-screen border width and cost of products.This device " comprises a touch-screen that is installed in the framework, a circuit board that is installed in back, display screen rear portion, infrared launcher and an infrared receiving device that is installed on the circuit board that is installed on the circuit board.First reflection unit and infrared launcher carry out optical communication, and described the first reflection unit can change the direction of the infrared beam that display screen rear portion infrared launcher produces, and makes it through the front area of described display screen.Second reflection unit and first reflection unit carry out optical communication, and second reflection unit can will change the direction of the infrared beam of described display screen front end, makes it arrive display screen rear portion infrared detecting device." but also there is following deficiency in this technology in application:
Since infrared launcher and infrared receiving device be installed on the circuit board, and circuit board is installed in the back side of display screen, reflection unit and display screen are again separate, in infrared light path emission dress and the difficult affirmation of the relative position of reflection unit and fixing reliably.Everybody knows infrared launcher and infrared receiving device needs corresponding one by one, will certainly bring very large trouble to Installation and Debugging like this, simultaneously display screen back side out-of-flatness and display screen and reflective structure relative position change all can have influence on installation accuracy, and installation accuracy can directly have influence on again the performance that touches product.
2. because the circuit board of installation infrared emitter and the circuit board of infrared receiving device, all be arranged on the back side of display screen, and reflection unit exceeds the front of display screen, there is certain thickness in display screen, this will cause the infrared light of the emission of infrared launcher to pass to the infrared receiving device reception needs pass by path length in reflection unit, and the light intensity that causes infrared receiving device to receive is very weak.Make this infrared screen installation cost high, poor reliability is a little less than the antijamming capability.
3. touch face is the display screen outside surface, and long-time use meeting makes a big impact to display screen, and hoverheight also can not solve simultaneously, i.e. in the use process also not " in the point " touch-screen just respond, so very easily cause various maloperations.
Other has the patent No. is 200420117952.3 " a kind of light path systems that use the infrared touch panel of reflective mirror ", " by uprightly be installed in circuit board that display surface parallels on infrared emission and receiving tube array and the place ahead thereof, become the reflective mirror of miter angle to consist of with display surface.After the infrared ray that infrared transmitting tube is launched was reflected by reflective mirror, the reflective mirror that arrives receiving tube the place ahead by display surface the place ahead was reflected to receiving tube.This structure is particularly suitable for touch display, and reflective mirror is installed between display surface and the front panel and consists of light-path, transmits and receives pipe and is installed on the display element circuit board, has reduced thickness or the height of touch-screen at the width of cloth." but there is following deficiency in this technology in application:
1. when the circuit board of installation infrared power valve and receiving tube places the back side of aobvious screen, and the front that exceeds display screen of reflective mirror, all there is certain thickness in display screen, the path length that this will cause the infrared light of infrared transmitting tube need pass by to infrared receiving tube, and the light intensity that causes infrared receiving tube to receive is very weak.Make this infrared screen installation cost high, poor reliability is a little less than the antijamming capability.
2. the infrared light reflection face becomes miter angle with display surface, causes the decline of reflecting properties to cause the decline of signal quality if entering of adopting that mirror construction will cause that stray light disturbs and dust enter reflecting surface, makes the reliability decrease of work.If when adopting 45 of right angle prism to spend inclined-planes as reflective surface, the rim effect of infrared touch panel can be apparent in view, this will have a strong impact on the touch performance.
3. when if this system is installed on the display screen front, can not reach the effect that reduces touch-screen thickness or height.If circuit board is installed in the back side of display screen, and the circuit board top that infrared transmitting tube and infrared receiving tube are installed, mirror apparatus and display screen are again separate, the relative position of power valve and reflection unit is difficult for confirming and is fixing reliably on the infrared light path, and infrared transmitting tube and infrared receiving tube need one by one correspondence, will certainly bring very large trouble to Installation and Debugging like this, simultaneously display screen back side out-of-flatness and display screen and reflective structure relative position change all can have influence on installation accuracy, and installation accuracy can directly have influence on again the performance that touches product.Circuit board is installed in the back side of display screen, and reflex reflector and display screen are again separate, and both wanting the position is extremely unstable.
4. touch face is the display screen outside surface, and long-time use meeting makes a big impact to display screen, and hoverheight also can not solve simultaneously, i.e. in the use process also not " in the point " touch-screen just respond, so very easily cause various maloperations.
Summary of the invention
The object of the invention is to overcome the problems referred to above that existing infrared touch panel exists, a kind of novel infrared touch panel is provided.The infrared light that the present invention can make infrared emission tube send is transferred to infrared receiving tube with minimum decay, can avoid producing again rim effect, make touch-screen body and circuit board can position installation, make the touch-screen body keep the higher depth of parallelism, further reduce hoverheight.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of novel infrared touch panel comprises light-guiding pillar, touch-screen body, circuit board and infrared tube, it is characterized in that: be provided with on the described light-guiding pillar and light-guiding pillar all-in-one-piece cushion cap, be fixedly installed on the described cushion cap around the touch-screen body.
Described cushion cap is between touch-screen body and circuit board, and the touch-screen body is fixedly connected with cushion cap, and circuit board is fixedly connected with cushion cap.
The inboard horizontal expansion of described light-guiding pillar forms described cushion cap, and the outside vertically extends to form the shirt rim, and circuit board is sealedly and fixedly connected with cushion cap and shirt rim respectively, and shirt rim, light-guiding pillar, cushion cap and circuit board enclose and form a closed chamber, and infrared tube is positioned at closed chamber.
The xsect of described light-guiding pillar becomes the convex shape of inclination, the bottom indent at convex shape middle part, and a side extends to form cushion cap, and opposite side extends to form vertical shirt rim.
The inner concave of described convex shape light-guiding pillar, lateral surface, medial surface are the combination on arcwall face and plane.
Described inner concave is arcwall face, lateral surface and medial surface are the plane, the angle of lateral surface and cushion cap place face be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
Described inner concave is arcwall face, and lateral surface is arcwall face, and medial surface is the plane, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
Described inner concave is the plane, and is parallel with the touch-screen body or at grade, lateral surface and medial surface are arcwall face.
Described inner concave, lateral surface and medial surface are arcwall face.
Described inner concave, lateral surface and medial surface are the plane, the angle of lateral surface and cushion cap place face be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
Described touch-screen body is parallel with the upper surface of cushion cap, and described circuit board is parallel with the lower surface of cushion cap.
Described cushion cap, circuit board and touch-screen body are tightly connected and form a U-shaped cavity, and the opening of this U-shaped cavity is by the web member formation closed chamber that is tightly connected, and infrared tube is positioned at this closed chamber.Described web member can be the combination of dustproof foam and fluid sealant.
The mode of being tightly connected of described touch-screen body and cushion cap is bonding, and the mode of being tightly connected of circuit board and cushion cap is bonding or seal is set and is bolted.
Be provided with link slot on the described light-guiding pillar, embedded being arranged in the link slot around the touch-screen body.
Described touch-screen body section is inverted " protruding " font, the body touch-surface is shielded in " protruding " shape touch-screen body top formation of falling, the bottom center section protrudes and forms boss, be fixedly connected on the cushion cap around the touch-screen body, described circuit board is arranged in the cavity that cushion cap is inboard and touch-screen body lower boss sidewall forms.
Described circuit board is bonded in down the step place of " protruding " shape touch-screen body both sides.
Described infrared touch panel also comprises a backplate, described backplate is positioned at the bottom of touch-screen body middle part boss and cushion cap, and bonding with the bottom of touch-screen body middle part boss and cushion cap, circuit board is arranged in the relative closed chamber that is surrounded by touch-screen body, cushion cap, backplate.
Described backplate is sheet metal, and metal casing is provided with the threaded hole of fixing metal backplate.
Described backplate is mylar sheet.
Described touch-screen body is by double glazing or the bonding integral body that forms of clear plastic.
Described touch-screen body is formed by a glass or clear plastic cutting.
Described touch-screen body is sealedly and fixedly connected on cushion cap, and negator face and the touch-screen body back side of circuit board are bonding, and the infrared tube on the circuit board all is positioned at the cushion cap inboard.
Described touch-screen body is connected with the upper surface of cushion cap is bonding.
Described touch-screen body is connected with the inside surface of light-guiding pillar is chimeric.
The front of described touch-screen body or the back side are provided with at least one deck barrier bed, and described barrier bed is positioned at touch-screen body non-display area.
Be provided with barrier bed around the described touch-screen body.
Described barrier bed is the thin slice of being made by adhesive tape, light-shielding sheet, trnaslucent materials, plastic foil or sheet metal, and described thin slice is connected with the touch-screen body is bonding.
Described barrier bed is painting layer or the ink coating that is coated on the touch-screen body.
The thickness of described barrier bed is 0.003-2mm.
Employing the invention has the advantages that:
One, among the present invention, be provided with on the described light-guiding pillar and light-guiding pillar all-in-one-piece cushion cap, described cushion cap is between touch-screen body and circuit board, and the touch-screen body is fixedly connected with cushion cap, circuit board is fixedly connected with cushion cap, the infrared tube that is fixed on the circuit board is positioned at below the light-guiding pillar in the cushion cap outside, compare with the structure that light-guiding pillar in the prior art is located by the touch-screen body, the present invention adopts suspended deck structure, the touch-screen body is installed the location by cushion cap, when mounted, the touch-screen body can be positioned in the integrated frame structure that is formed by light-guiding pillar fast, globality is better, correspondingly make circuit board, infrared transmitting tube and infrared receiving tube be quick location and installation also, so that the infrared touch product Installation and Debugging are easy, be conducive to the stable of whole touch screen structure, make the depth of parallelism and the degree of accuracy of touch-screen body higher, can promote touch precision and the response speed of touch-screen, because the supporting role of cushion cap, can use the touch-screen body thinner than traditional infrared touch-screen, use thinner touch-screen body, not only can save the production material, reduce production costs, the transmission path of infrared light on touch-screen shortened, and transmission path shortens and can reduce the divergence of infrared light, improves to touch precision, thinner touch-screen body also makes more create an aesthetic feeling of whole touch-screen, is conducive to enhance one's market competitiveness; According to actual needs simultaneously, produce the cushion cap of different-thickness, cooperate with the touch-screen body of different-thickness, can improve the depth of parallelism of touch-screen body, infinitely reduce to touch the hoverheight problem; Solved in the prior art and to have touched that hoverheight is higher, the touch-screen body is difficult for the location, the depth of parallelism is low, service life of equipment low and touch-screen four limits have higher and than the problem of broadside along projection.
Two, among the present invention, the inboard horizontal expansion of described light-guiding pillar forms described cushion cap, the outside vertically extends to form the shirt rim, circuit board is sealedly and fixedly connected with cushion cap and shirt rim respectively, the shirt rim, light-guiding pillar, cushion cap and circuit board enclose and form a closed chamber, infrared tube is positioned at closed chamber, adopt this structure, because infrared tube is arranged in the annular seal space, can reduce extraneous high light to the interference of infrared transmitting tube and infrared receiving tube, improve the degree of accuracy that signal transmits and receives, and the shirt rim has and prevents that dust from entering the effect in the touch-screen, can prolong the serviceable life of touch-screen.
Three, among the present invention, the xsect of described light-guiding pillar becomes the convex shape of inclination, the bottom indent at convex shape middle part, one side extends to form cushion cap, opposite side extends to form vertical shirt rim, cushion cap and shirt rim are and extend to form, with light-guiding pillar be the integral type structure, light-guiding pillar is assembled infrared beam and/or is reflected and/or reflect, make infrared beam pool as far as possible directional light by the touch area of touch-screen, reduce the decay of infrared signal, strengthen the signal intensity of infrared beam, improve the antijamming capability of touch-screen.
Four, among the present invention, the inner concave of described convex shape light-guiding pillar, lateral surface, medial surface is the combination on arcwall face and plane, applicable to different-thickness, the touch-screen of unlike material, and the combination by arcwall face and plane, be convenient to adjust converging and reflecting of infrared light, suitably adjust the distance of infrared tube and arcwall face, the infrared light that the emission angle that infrared tube can be sent at transmitting terminal disperses pools approximate directional light and transmits forward, can will converge than the approximately parallel infrared light in the polarizers of big angle scope again at receiving end, sensing range can be increased and reception infrared signal intensity can be strengthened again, thereby be conducive to reduce the loss of infrared signal, improve the antijamming capability of infrared touch product, improve the touch precision of infrared touch product.
Five, among the present invention, described inner concave is arcwall face, lateral surface and medial surface are the plane, the angle of lateral surface and cushion cap place face be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °, infrared light converges by inner concave and reflects, be convenient to converging of infrared light, again by lateral surface and medial surface reflection, angle in this scope can guarantee that full emission occurs at the infrared reflecting interface infrared light that power valve sends, prevent the loss of infrared signal, suitably adjust the angle of refracting interface and vertical direction, can so that the infrared light after the reflection transmits with the direction that is parallel to surface level, can avoid rim effect again simultaneously after the refracting interface refraction again.
Six, among the present invention, described inner concave is arcwall face, lateral surface is arcwall face, medial surface is the plane, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °, by inner concave and lateral surface twice of infrared light converges and launches, further guarantee converging of infrared light, reduce the loss of infrared light, reflex on the touch-screen body by medial surface again, and the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °, can avoid rim effect.
Seven, among the present invention, described inner concave is the plane, parallel with the touch-screen body or at grade, lateral surface is arcwall face, medial surface is arcwall face, and infrared light reflects by inner concave, converges and reflexes on the touch-screen body by lateral surface and medial surface again, reduce the infrared light loss in the light-guiding pillar, improved the touch precision.
Eight, among the present invention, described inner concave, lateral surface and medial surface are the plane, the angle of lateral surface and cushion cap place face be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °, infrared light directly reflexes on the touch-screen body by inner concave, lateral surface and medial surface, be convenient to control the distance between infrared light and the touch-screen body, thereby be conducive to reduce hoverheight.
Nine, among the present invention, described inner concave, lateral surface and medial surface are the arcwall face infrared light by the converging and reflect of three faces, and have further reduced the loss of infrared light.
Ten, among the present invention, described touch-screen body is parallel with the upper surface of cushion cap, described circuit board is parallel with the lower surface of cushion cap, this structure not only can strengthen the depth of parallelism of screen body, also make between infrared transmitting tube and the light-guiding pillar, infrared receiving tube is higher with corresponding precision between the light-guiding pillar, be conducive to strengthen the concentration class of infrared light, further overcome the touch that causes because of the touch hoverheight and shift to an earlier date response problem.
11, among the present invention, be provided with link slot on the described light-guiding pillar, embedded being arranged in the link slot around the touch-screen body makes light-guiding pillar be combined closelyr with the touch-screen body, and the stability of each parts is better in the whole touch-screen.
12, among the present invention; described cushion cap, circuit board and touch-screen body are tightly connected and form a U-shaped cavity; the opening of this U-shaped cavity is by the web member formation closed chamber that is tightly connected; infrared tube is positioned at this closed chamber; this closed chamber consists of second protection to the infrared transmitting tube on circuit board and the circuit board; can prevent that outside high light, dust or water from entering touch-screen inside from the fine gap between each parts of touch-screen; the emission that affects the infrared receiving/transmission pipe connects precision, and this structure is conducive to improve the serviceable life of touch-screen.
13, among the present invention, the mode of being tightly connected of described touch-screen body and cushion cap is bonding, the mode of being tightly connected of circuit board and cushion cap is bonding or seal is set and is bolted, directly circuit board being bonded in touch-screen body below with prior art compares, it is more stable that at first this structure makes the infrared tube on circuit board and the circuit board, even permanent the use, can not reduce yet and transmit and receive precision, the result of use of touch-screen is better, secondly, when circuit board or the damage of touch-screen body, because the inconvenience dismounting, prior art need to be changed circuit board and touch-screen body simultaneously, gets final product and adopt this mode only to need to change separately the damage parts.
14, among the present invention, described touch-screen body section is inverted " protruding " font, the body touch-surface is shielded in " protruding " shape touch-screen body top formation of falling, the bottom center section protrudes and forms boss, is fixedly connected on the cushion cap around the touch-screen body, and described circuit board is arranged in the cavity that cushion cap is inboard and touch-screen body lower boss sidewall forms, pass through circuit board position, also just change the position of infrared tube, reduced the seal ring thickness of traditional infrared screen, can accomplish ultralow super narrow frame; On the other hand, can become specific Beam Control lens according to light source design again, satisfy touching the scanning detection to the requirement of light source.
15, among the present invention, described circuit board is bonded in down the step place of " protruding " shape touch-screen body both sides, adopt this structure infrared tube at touch-screen body ground floor back, can effectively reduce the touch-screen integral thickness, simultaneously owing to adopt light-guiding pillar to reach super-thin frame, ultralow frame, and ultralow hoverheight.
16, among the present invention, described infrared touch panel also comprises a backplate, described backplate is positioned at the bottom of touch-screen body middle part boss and cushion cap, and bonding with the bottom of touch-screen body middle part boss and cushion cap, circuit board is arranged in the relative closed chamber that is surrounded by touch-screen body, cushion cap, backplate, can effectively avoid dust, and other material such as water is on the impact of infrared light transmission, guarantee the normal use of touch screen under the mal-condition, improved simultaneously the protective of product.
17, among the present invention, described touch-screen body is sealedly and fixedly connected on cushion cap, the negator face of circuit board and bonding connection of the touch-screen body back side, and the infrared tube on the circuit board all is positioned at the cushion cap inboard, this structure makes the infrared tube on circuit board and the circuit board more stable in touch-screen, and infrared receiving tube can both accurately receive the infrared light after the light-guiding pillar reflection of corresponding infrared transmitting tube emission.
18, among the present invention, owing to be provided with barrier bed at front or the back side of touch-screen body non-display area, therefore extraneous high light is difficult to penetrate barrier bed and shines infrared tube, reduced extraneous high light to the interference of infrared tube, improved the degree of accuracy that signal transmits and receives, simultaneously circuit board, the infrared tube that is arranged on the touch-screen body back side worked the effect of blocking, make more create an aesthetic feeling of product appearance, be conducive to enlarge the market competitiveness; Overcome the shortcoming that the anti-smooth interference performance of touch-screen is poor in the prior art, product lacks aesthetic feeling.
19, among the present invention; around described touch-screen body, also be provided with equally barrier bed; this structure can stop extraneous high light to pass behind the light-guiding pillar viewing area that enters the touch-screen body around the touch-screen body; the barrier bed that arranges with front or the back side of touch-screen body non-display area cooperates; can be to the infrared tube general protection, anti-smooth interference performance is stronger.
20, among the present invention, described barrier bed is the thin slice of being made by adhesive tape, light-shielding sheet, trnaslucent materials, plastic foil or sheet metal, described thin slice is connected with the touch-screen body is bonding, use common material and simple bonding way just can overcome the shortcoming that the anti-smooth interference performance of touch-screen is poor in the prior art, product lacks aesthetic feeling, simple in structure, with low cost; Correspondingly use sheet metal as barrier bed, also have and reduce the advantage that external electromagnetic is disturbed circuit board.
21, among the present invention, use painting layer or ink coating as barrier bed, not only overcome the shortcoming that the anti-smooth interference performance of touch-screen is poor in the prior art, product lacks aesthetic feeling, it is simple also to have technique, advantage with low cost.
22, among the present invention; the thickness of described barrier bed is 0.003-2mm; if barrier bed thickness is greater than 2mm; can block the infrared light that reflects through light-guiding pillar, cause the touch hoverheight higher, if barrier bed thickness is less than 0.003mm; extraneous high light will pass the touch-screen body infrared tube will be caused interference; and the thickness of barrier bed is set to 0.003-2mm, can play good protective effect to circuit board, infrared tube, can not cause again the higher problem of hoverheight that touches.
23, technical scheme of the present invention is reduced to frame about 3MM by traditional 20MM, and the frame height is reduced to about 1..5MM by 5MM, and hoverheight is reduced in the 0.3MM by 3-5MM.
24, among the present invention, the touch-screen system that is formed by light-guiding pillar, touch-screen body, circuit board, infrared tube minute is arranged with display screen, both can sell separately touch-screen, also can sell after the display screen assembling, satisfies the different user needs.
Description of drawings
Fig. 1 is the embodiment of the invention 1 structural representation
Fig. 2 is the embodiment of the invention 2 structural representations
Fig. 3 is the embodiment of the invention 3 structural representations
Fig. 4 is the embodiment of the invention 4 structural representations
Fig. 5 is the embodiment of the invention 7 structural representations
Fig. 6 is the embodiment of the invention 8 structural representations
Fig. 7 is the embodiment of the invention 11 structural representations
Fig. 8 is the embodiment of the invention 12 structural representations
Fig. 9 is the embodiment of the invention 13 structural representations
Figure 10 is the embodiment of the invention 14 structural representations
Figure 11 is the embodiment of the invention 15 structural representations
Figure 12 is the embodiment of the invention 16 structural representations
Figure 13 is the touch-screen plan structure synoptic diagram among Figure 12
Be labeled as among the figure: 1, light-guiding pillar, 2, the touch-screen body, 3, circuit board, 4, infrared tube, 5, cushion cap, 6, the shirt rim, 7, closed chamber, 8, inner concave, 9, lateral surface, 10, medial surface, 11, web member, 12, boss, 13, backplate, 14, threaded hole, 15, seal, 16, barrier bed, 17, display screen.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of novel infrared touch panel, comprise light-guiding pillar 1, touch-screen body 2, circuit board 3 and infrared tube 4, be provided with on the described light-guiding pillar 1 and light-guiding pillar 1 all-in-one-piece cushion cap 5, described cushion cap 5 is between touch-screen body 2 and circuit board 3, and touch-screen body 2 is fixedly connected with cushion cap 5, and circuit board 3 is fixedly connected with cushion cap 5, is fixed on light-guiding pillar 1 below that infrared tube 4 on the circuit board 3 is positioned at cushion cap 5 outsides.
Further, described touch-screen body 2 is parallel with the upper surface of cushion cap 5, and described circuit board 3 is parallel with the lower surface of cushion cap 5.
Infrared tube among the present invention comprises infrared receiving tube and infrared transmitting tube.The mode that touch-screen body 2 is fixedly connected with cushion cap 5 can be for bonding, and circuit board 3 can be connected or bolt and bonding being connected for bonding or bolt with the mode that cushion cap 5 is fixedly connected with.
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
As shown in Figure 2, in the present embodiment, described light-guiding pillar 1 inboard horizontal expansion forms described cushion cap 5, the outside vertically extends to form shirt rim 6, circuit board 3 is sealedly and fixedly connected with cushion cap 5 and shirt rim 6 respectively, shirt rim 6, light-guiding pillar 1, cushion cap 5 and circuit board 3 enclose and form a closed chamber 7, and infrared tube 4 is positioned at airtight 7 chambeies.The mode that is sealedly and fixedly connected can adopt bonding but be not limited to bonding.
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
As shown in Figure 3, the xsect of described light-guiding pillar becomes the convex shape of inclination, the bottom indent at convex shape middle part, and a side extends to form cushion cap, and opposite side extends to form vertical shirt rim.Further, plane, place, shirt rim is vertical with plane, circuit board place.
And the inner concave 8 of described convex shape light-guiding pillar, lateral surface 9, medial surface 10 are the combination on arcwall face and plane.
For example, described inner concave is arcwall face, lateral surface and medial surface are the plane, the angle of lateral surface and cushion cap place face be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
As shown in Figure 4, the inner concave 8 of described convex shape light-guiding pillar, lateral surface 9, medial surface 10 are the combination on arcwall face and plane.
For example, described inner concave 8 is arcwall face, and lateral surface 9 is arcwall face, and medial surface 10 is the plane, the angle of medial surface 10 and cushion cap 5 place faces be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
The inner concave 8 of described convex shape light-guiding pillar, lateral surface 9, medial surface 10 are the combination on arcwall face and plane.
For example, described inner concave 8 is the plane, and is parallel with the touch-screen body or at grade, lateral surface 9 is arcwall face, and medial surface 10 is arcwall face.
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
The inner concave 8 of described convex shape light-guiding pillar, lateral surface 9, medial surface 10 are the combination on arcwall face and plane.
For example, described inner concave is arcwall face, and lateral surface is arcwall face, and medial surface is arcwall face.
Embodiment 7
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
As shown in Figure 5, the inner concave 8 of described convex shape light-guiding pillar, lateral surface 9, medial surface 10 are the combination on arcwall face and plane.
For example, described inner concave 8, lateral surface 9 and medial surface 10 are the plane, the angle of lateral surface 9 and cushion cap 5 place faces be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface 10 and cushion cap 5 place faces be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
Present embodiment and above-described embodiment are basic identical, and the key distinction is:
As shown in Figure 6, be provided with link slot on the described light-guiding pillar 1, embedded being arranged in the link slot around the touch-screen body 2.Touch-screen body 2 embeds in the link slot also bonding all around, and the surrounding, bottom surface is along bonding with cushion cap 5.
Present embodiment is further specifying above-described embodiment 3:
The cross section of light-guiding pillar 1 roughly is inclination " protruding " font, and " protruding " font light-guiding pillar one side extends to horizontal cushion cap 5, and opposite side extends to vertical shirt rim 6, and the lower end, middle part becomes evagination arcwall face optically focused interface; The outboard end of " protruding " font light-guiding pillar becomes the reflective interface of clinoplane, the refracting interface on the plane that medial extremity becomes.
Its principle of work is: the infrared ray light-guiding pillar is the PMMA material of refractive index 1.488 (with infrared wavelength 0.94nm), the optically focused interface is cambered surface, the cambered surface focus is at infrared emission unit (or receiving element), the angle of reflective interface and cushion cap place face greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 ° of (essence, reflective interface with touch the face angle greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °), when reflective interface and touch-screen angle are 48 when spending, refracting interface and touch-screen body angle are 17 degree, and transmitting terminal light-guiding pillar and receiving end light-guiding pillar full symmetric.At infrared light that the transmitting terminal infrared transmitting tube sends behind the optically focused of optically focused interface, most of infrared light is converted to directional light vertically upward, and infrared light vertically upward is with 48 degree incident angle incident infrared reflecting interfaces, because the refractive index of light-guiding pillar is 1.488, the angle of total reflection that can calculate this material according to formula (1.488=sin90/sina) is the a=41.5 degree, when infrared light is spent incident angle incident with 48, full emission will occur on reflective interface, infrared light and touch-screen angle approximate 6 degree after the reflection, infrared light after the reflection to be being about 11 degree angle incident refracting interfaces, by refractive index 1.488 calculate after the refraction light with the touch-screen parallel light emergence; At receiving end, the directional light that transmits from the transmitting terminal light-guiding pillar incides the infrared light-guiding pillar refracting interface of receiving terminal, is about 11 degree after the refraction and incides reflective interface, and full emission occurs, and infrared light is received by infrared receiving tube after converge at the optically focused interface after the reflection.Utilize the optically focused principle of convex lens, suitably adjust the distance of infrared tube and curved surface, the infrared light (similar pointolite) that the emission angle that infrared tube can be sent at transmitting terminal disperses pools approximate directional light and transmits forward.Can will converge than the approximately parallel infrared light in the polarizers of big angle scope again at receiving end, can increase sensing range and can strengthen again reception infrared signal intensity.Thereby be conducive to reduce the loss of infrared signal, improve the antijamming capability of infrared touch product, improve the touch precision of infrared touch product, can reduce the infrared tube emissive power again simultaneously, improve the serviceable life of infrared touch product.
Present embodiment is further specifying above-described embodiment 4:
The cross section of light-guiding pillar roughly is inclination " protruding " font, and " protruding " font light-guiding pillar one side extends to horizontal cushion cap, and opposite side extends to vertical shirt rim, and the lower end, middle part becomes the optically focused interface of evagination arcwall face; The outboard end of " protruding " font light-guiding pillar becomes the reflective interface of inclination arcwall face, the refracting interface on the plane that medial extremity becomes.
Its principle of work is: light-guiding pillar is the PMMA material of refractive index 1.488 (with infrared wavelength 0.94nm), and optically focused interface 8 is designed to plane or arcwall face,, reflective interface is arcwall face, refracting interface and touch-screen body plane angle are 17 degree.Transmitting terminal light-guiding pillar and receiving end light-guiding pillar full symmetric.At infrared light that the transmitting terminal infrared transmitting tube sends behind the optically focused interface, refraction is incident infrared reflecting interface upwards, full emission will occur on reflective interface, and because producing, reflective interface curved surface is focused into directional light, directional light approximates 6 degree to reflect rear infrared light and touch-screen angle, infrared light after the reflection to be being about 11 degree angle incident refracting interfaces, by refractive index 1.488 calculate after the refraction light with the face of touch parallel light emergence; At receiving end, the directional light incident refracting interface that transmits from the transmitting terminal light-guiding pillar, be transmitted through reflecting interface to be about 11 degree refraction angles, then full emission occurs and because reflecting interface is curved surface produces to focus on and transfer focus to and received by infrared receiving tube through the optically focused interface at the downward infrared light of infrared receiving tube in infrared light.When described infrared reflecting interface is curved surface, similar concave mirror.Have following advantage: the infrared light that infrared transmitting tube sends can not guarantee that behind the optically focused of optically focused interface all light are directional light, or exist a part that the infrared light of certain dispersion angle is arranged, utilize the optically focused effect (auto lamp for example of concave mirror, electric torch etc.) infrared light than high dispersion angle can be pooled directional light, thereby be conducive to reduce the loss of infrared signal, improve the antijamming capability of infrared touch product, improve the touch precision of infrared touch product, can reduce the infrared tube emissive power again simultaneously.
Above-mentioned all embodiment can prevent the loss of infrared signal, suitably adjust the angle of refracting interface and vertical direction, can so that the infrared light after the reflection transmits with the direction that is parallel to surface level, can avoid rim effect again simultaneously after the refracting interface refraction again; Be conducive to reduce the loss of infrared signal, improve the antijamming capability of infrared touch product, improve the touch precision of infrared touch product, can reduce the infrared tube emissive power again simultaneously, improve the physical life of infrared touch product; Touch-screen is fixed in the upper surface of cushion cap in the actual product, and circuit board is fixed in the lower surface of cushion cap.Touch-screen be fixed on cushion cap above, be conducive to the stable of whole light guide column structure, reduce hoverheight, simultaneously also can strengthen touch feeling, circuit board is fixed (bonding or screw lock protect) at the lower surface of cushion cap, be conducive to the contraposition of infrared emission and infrared receiving tube, so that the infrared touch product Installation and Debugging are easy, be fit to produce in enormous quantities.
A kind of novel infrared touch panel, comprise light-guiding pillar 1, touch-screen body 2, circuit board 3 and infrared tube 4, be provided with on the described light-guiding pillar 1 and light-guiding pillar 1 all-in-one-piece cushion cap 5, described cushion cap 5 is between touch-screen body 2 and circuit board 3, and touch-screen body 2 is fixedly connected with cushion cap 5, and circuit board 3 is fixedly connected with cushion cap 5.
Further, as shown in Figure 7, described cushion cap 5, circuit board 3 and touch-screen body 2 are tightly connected and form a U-shaped cavity, and the opening of this U-shaped cavity is by the web member 11 formation closed chamber that is tightly connected, and infrared tube 4 is positioned at this closed chamber 7.Described web member 11 can be the combination of dustproof foam and fluid sealant.
The preferred implementation of present embodiment is, described touch-screen body 2 is bonding with the mode of being tightly connected of cushion cap 5, and the mode of being tightly connected of circuit board 3 and cushion cap 5 is bonding or seal is set and is bolted.
Present embodiment is further specifying embodiment 11.As shown in Figure 8, be provided with link slot on the described light-guiding pillar 1, embedded being arranged in the link slot around the touch-screen body 2 passed through sealant sealing with cushion cap 5 around touch-screen body 2 bottom surfaces.
As shown in Figure 9, infrared touch panel comprises light-guiding pillar 1, touch-screen body 2, circuit board 3, touch-screen body 2 cross sections are inverted " protruding " font, touch-surface is formed at " protruding " shape touch-screen body 1 top, the bottom center section protrudes and forms boss 12, the bottom of touch-screen body 2 both sides is placed on the cushion cap 5 of light-guiding pillar 1, and described circuit board 3 places the cushion cap 5 inboard cavitys that form with touch-screen body lower boss 12 sidewalls.Circuit board 3 is bonded in down the lower step place of " protruding " shape touch-screen body 2 both sides.
Described infrared touch panel also comprises a backplate 13, and backplate 13 is positioned at the bottom of touch-screen body 2 middle part boss 12 and cushion cap 5, and bonding with the bottom of touch-screen body 2 middle part boss 12 and cushion cap 5.Described backplate 13 is selected sheet metal, is provided with the threaded hole 14 of fixing metal backplate on the metal casing.Can be connected with display screen by threaded hole 14.
Above-mentioned touch-screen body 2, light-guiding pillar 1, backplate 13 surround a relative closed chamber 7, and circuit board 3 is positioned at described closed chamber 7.Above-mentioned touch-screen body 2 is by double glazing or the bonding integral body that forms of clear plastic.
This structure infrared tube 4 is at touch-screen body ground floor back, can effectively reduce the touch-screen integral thickness, simultaneously owing to adopt light-guide device to reach super-thin frame, ultralow frame, and ultralow hoverheight, simultaneously light-guide device and the touch-screen body back side, arrange one and backplate is installed with convenient, the installation of touch-screen and display device (display, all-in-one, panel computer etc.).
Present embodiment is substantially the same manner as Example 13, and the key distinction is as follows:
As shown in figure 10, described backplate 13 is mylar sheet, can effectively reduce the touch-screen integral thickness, owing to adopt light-guide device to reach super-thin frame, ultralow frame reaches ultralow hoverheight simultaneously.Above-mentioned touch-screen body is formed by a glass or clear plastic cutting.
This structurally waterproof, the effect such as dustproof is better, simultaneously easily and replacing make things convenient for device maintenance and the replacings such as circuit board.
As shown in figure 11, a kind of infrared touch panel, comprise touch-screen body 2, light-guiding pillar 1, circuit board 3, be installed with infrared tube 4 on the circuit board 3, described touch-screen body 2 is connected with the upper surface of cushion cap 5 is bonding, the negator face of described circuit board 3 and bonding connection of touch-screen body 2 back sides, and the infrared tube on the circuit board 34 all is positioned at cushion cap 5 inboards.
Perhaps the lower surface of described cushion cap 5 is connected with seal 15, and described seal 15, touch-screen body 2 and cushion cap 5 threes form the closed chamber structure by fluid sealant, and the infrared tube 4 on circuit board 3 and the circuit board 3 all is positioned at this closed chamber 7; Seal 15 and 5 preferred bonding connections of cushion cap, but also can be bolted or bolt and bonding being connected; Described fluid sealant comprises dustproof glue, marine glue, rubber, silica gel product, preferably uses the flexible entity fitted seal such as EVI bubble silk floss, dust excluder, EPE in sealing.
Further, described seal is preferably L shaped plastic plate or sheet metal panel, and a L shaped end is fixedly connected with the lower surface of cushion cap, the other end and bonding connection of the touch-screen body back side, but be not limited to above-mentioned set-up mode, also can be sheet metal of circular arc etc. such as seal.
Infrared touch panel, comprise touch-screen body 2, light-guiding pillar 1, contain the circuit board 3 of infrared tube 4, the back side of touch-screen body 2 is fixedly connected with the cushion cap 5 of light-guiding pillar 1, the front of described touch-screen body 2 or the back side are provided with at least one deck barrier bed 16, and described barrier bed 16 is positioned at touch-screen body 2 non-display areas.
The preferred implementation of present embodiment is that the described barrier bed 16 that is arranged on touch-screen body 2 fronts or the back side flushes with the frame of the display screen 17 that is arranged on touch-screen body 2 belows.
Further, preferably around described touch-screen body 2, barrier bed 16 is set equally also, cooperates with the barrier bed 16 at touch-screen body 2 fronts or the back side, to 2 general protections of touch-screen body, improve the anti-smooth interference performance of touch-screen.
The another preferred implementation of present embodiment is, described barrier bed 16 is thin slices of being made by adhesive tape, light-shielding sheet, trnaslucent materials, plastic foil or sheet metal, described thin slice is connected with the touch-screen body is bonding, but be not limited to aforesaid way, also can adopt other light screening material commonly known in the art.
The another preferred implementation of present embodiment is that described barrier bed 16 is painting layer or the ink coatings that are coated on the touch-screen body.
Further, described barrier bed 16 can form by the printing silk screen printing process, the regional process black that namely blocks at needs or the dapple pattern of tool etc., can also form by corrosion or texture technique, the zonal corrosion or the texture that namely block at needs, reach atomized surface effect, to block the metal edge frame of infrared tube and display screen, play shading and landscaping effect.
The another preferred implementation of present embodiment is that the thickness of described barrier bed 16 is 0.003-2mm.
Described touch-screen body 2 non-display areas refer to the zone except the screen body corresponding with display screen 17 viewing areas.
Shown in Figure 12 and 13, the front of described touch-screen body 2, the back side and be provided with at least one deck barrier bed 16 all around, wherein, the barrier bed 16 of touch-screen body 2 front and backs preferably is manufactured from the same material, but be not limited to above-mentioned set-up mode, for example the barrier bed in touch-screen body front is made by sheet metal, and the barrier bed at its back side is made by light-shielding sheet, and the front and back barrier bed can be made by above-mentioned any two material.
Claims (18)
1. infrared touch panel, comprise light-guiding pillar (1), touch-screen body (2), circuit board (3) and infrared tube (4), it is characterized in that: be provided with on the described light-guiding pillar (1) and light-guiding pillar (1) all-in-one-piece cushion cap (5), touch-screen body (2) is fixedly installed on the described cushion cap (5) all around.
2. infrared touch panel according to claim 1, it is characterized in that: described cushion cap (5) is positioned between touch-screen body (2) and the circuit board (3), and touch-screen body (2) is fixedly connected with cushion cap (5), and circuit board (3) is fixedly connected with cushion cap (5).
3. infrared touch panel according to claim 1, it is characterized in that: the inboard horizontal expansion of described light-guiding pillar (1) forms described cushion cap (5), the outside vertically extends to form shirt rim (6), circuit board (3) is sealedly and fixedly connected with cushion cap (5) and shirt rim (6) respectively, shirt rim (6), light-guiding pillar (1), cushion cap (5) and circuit board (3) enclose and form a closed chamber, and infrared tube (4) is positioned at closed chamber.
4. infrared touch panel according to claim 3 is characterized in that: the xsect of described light-guiding pillar (1) becomes the convex shape of inclination, the bottom indent at convex shape middle part, and a side extends to form cushion cap (5), and opposite side extends to form vertical shirt rim (6).
5. infrared touch panel according to claim 4 is characterized in that: the inner concave (8) of described convex shape light-guiding pillar (1), lateral surface (9), medial surface (10) are the combination on arcwall face and plane.
6. infrared touch panel according to claim 5, it is characterized in that: described inner concave (8) is arcwall face, lateral surface (9) and medial surface (10) are the plane, the angle of lateral surface (9) and cushion cap (5) place face be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface (10) and cushion cap (5) place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
7. infrared touch panel according to claim 5, it is characterized in that: described inner concave is arcwall face, lateral surface is arcwall face, medial surface is the plane, the angle of medial surface and cushion cap place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
8. infrared touch panel according to claim 5, it is characterized in that: described inner concave is the plane, and is parallel with the touch-screen body or at grade, lateral surface and medial surface are arcwall face.
9. infrared touch panel according to claim 5, it is characterized in that: described inner concave (8), lateral surface (9) and medial surface (10) are the plane, the angle of lateral surface (9) and cushion cap (5) place face be greater than 39.5 ° less than 45 ° or greater than 45 ° less than 55 °, the angle of medial surface (10) and cushion cap (5) place face be greater than 64 ° less than 90 ° or greater than 90 ° less than 140 °.
10. each described infrared touch panel according to claim 1-9 is characterized in that: described touch-screen body (2) is parallel with the upper surface of cushion cap (5), and described circuit board (3) is parallel with the lower surface of cushion cap (5).
11. infrared touch panel according to claim 1, it is characterized in that: described cushion cap (5), circuit board (3) and touch-screen body (2) are tightly connected and form a U-shaped cavity, the opening of this U-shaped cavity is tightly connected by web member (11) and forms closed chamber (7), and infrared tube (4) is positioned at this closed chamber (7).
12. infrared touch panel according to claim 10, it is characterized in that: the mode of being tightly connected of described touch-screen body (2) and cushion cap (5) is bonding, and the mode of being tightly connected of circuit board (3) and cushion cap (5) is bonding or seal is set and is bolted.
13. infrared touch panel according to claim 10 is characterized in that: described light-guiding pillar is provided with link slot on (1), and touch-screen body (2) is embedded being arranged in the link slot all around.
14. infrared touch panel according to claim 1, it is characterized in that: described touch-screen body (2) cross section is inverted " protruding " font, the body touch-surface is shielded in " protruding " shape touch-screen body (2) top formation of falling, the bottom center section protrudes and forms boss (12), touch-screen body (2) is fixedly connected on the cushion cap (5) all around, and described circuit board (3) is arranged in the cavity that cushion cap (5) is inboard and touch-screen body (2) lower boss (12) sidewall forms.
15. infrared touch panel according to claim 14 is characterized in that: described circuit board (3) is bonded in down the step place of " protruding " shape touch-screen body (2) both sides.
16. according to claim 14 or 15 described infrared touch panels, it is characterized in that: also comprise a backplate (13), described backplate (13) is positioned at the bottom of touch-screen body (2) middle part boss (12) and cushion cap (5), and bonding with the bottom of touch-screen body (2) middle part boss (12) and cushion cap (5), circuit board (3) is arranged in the relative closed chamber (7) that is surrounded by touch-screen body (2), cushion cap (5), backplate (13).
17. infrared touch panel according to claim 1, it is characterized in that: described touch-screen body (2) is sealedly and fixedly connected on cushion cap (5), the negator face of circuit board (3) and touch-screen body (2) back side are bonding, and the infrared tube (4) on the circuit board (3) all is positioned at cushion cap (5) inboard.
18. according to claim 1-9,11,12,13,14,15 or 17 described infrared touch panels, it is characterized in that: the front of described touch-screen body (2) or the back side are provided with at least one deck barrier bed (16), and described barrier bed (16) is positioned at touch-screen body (2) non-display area.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515263.7A CN102968223B (en) | 2012-12-05 | 2012-12-05 | Infrared touch panel |
| PCT/CN2013/000321 WO2014086084A1 (en) | 2012-12-05 | 2013-03-19 | Infrared touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515263.7A CN102968223B (en) | 2012-12-05 | 2012-12-05 | Infrared touch panel |
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| CN102968223A true CN102968223A (en) | 2013-03-13 |
| CN102968223B CN102968223B (en) | 2015-08-26 |
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| CN201210515263.7A Active CN102968223B (en) | 2012-12-05 | 2012-12-05 | Infrared touch panel |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014086084A1 (en) * | 2012-12-05 | 2014-06-12 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen |
| CN106657624A (en) * | 2016-12-06 | 2017-05-10 | 广东欧珀移动通信有限公司 | Cover plate and terminal |
| CN107403630A (en) * | 2017-07-21 | 2017-11-28 | 郑州云海信息技术有限公司 | A kind of CD drive connector and solution disc drives connector float high ameliorative way |
| CN107945661A (en) * | 2017-11-22 | 2018-04-20 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108418911A (en) * | 2018-02-08 | 2018-08-17 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108494897A (en) * | 2018-02-08 | 2018-09-04 | 广东欧珀移动通信有限公司 | Electronic device |
| WO2019154321A1 (en) * | 2018-02-07 | 2019-08-15 | 维沃移动通信有限公司 | Photosensitive component and mobile terminal |
| CN110806817A (en) * | 2018-08-06 | 2020-02-18 | 深圳市鸿合创新信息技术有限责任公司 | Infrared strip and infrared touch device with same |
| WO2023056765A1 (en) * | 2021-10-08 | 2023-04-13 | 深圳市华胜软件技术有限公司 | Infrared touch screen and display apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622133A (en) * | 2012-02-21 | 2012-08-01 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen for changing infrared light transmission paths and touch point recognizing method for infrared touch screen |
| CN102722295A (en) * | 2012-06-14 | 2012-10-10 | 北京汇冠新技术股份有限公司 | Touch screen |
| CN102750049A (en) * | 2012-07-03 | 2012-10-24 | 深圳市天时通科技有限公司 | Infrared touch screen employing lens |
-
2012
- 2012-12-05 CN CN201210515263.7A patent/CN102968223B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622133A (en) * | 2012-02-21 | 2012-08-01 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen for changing infrared light transmission paths and touch point recognizing method for infrared touch screen |
| CN102722295A (en) * | 2012-06-14 | 2012-10-10 | 北京汇冠新技术股份有限公司 | Touch screen |
| CN102750049A (en) * | 2012-07-03 | 2012-10-24 | 深圳市天时通科技有限公司 | Infrared touch screen employing lens |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014086084A1 (en) * | 2012-12-05 | 2014-06-12 | 成都吉锐触摸技术股份有限公司 | Infrared touch screen |
| CN106657624A (en) * | 2016-12-06 | 2017-05-10 | 广东欧珀移动通信有限公司 | Cover plate and terminal |
| CN107403630A (en) * | 2017-07-21 | 2017-11-28 | 郑州云海信息技术有限公司 | A kind of CD drive connector and solution disc drives connector float high ameliorative way |
| WO2019100987A1 (en) * | 2017-11-22 | 2019-05-31 | 维沃移动通信有限公司 | Terminal device |
| CN107945661A (en) * | 2017-11-22 | 2018-04-20 | 维沃移动通信有限公司 | A kind of terminal device |
| CN107945661B (en) * | 2017-11-22 | 2019-11-15 | 维沃移动通信有限公司 | A kind of terminal device |
| US11587515B2 (en) | 2017-11-22 | 2023-02-21 | Vivo Mobile Communication Co., Ltd. | Terminal device |
| WO2019154321A1 (en) * | 2018-02-07 | 2019-08-15 | 维沃移动通信有限公司 | Photosensitive component and mobile terminal |
| CN108418911A (en) * | 2018-02-08 | 2018-08-17 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108494897A (en) * | 2018-02-08 | 2018-09-04 | 广东欧珀移动通信有限公司 | Electronic device |
| CN110806817A (en) * | 2018-08-06 | 2020-02-18 | 深圳市鸿合创新信息技术有限责任公司 | Infrared strip and infrared touch device with same |
| CN110806817B (en) * | 2018-08-06 | 2023-06-23 | 深圳市鸿合创新信息技术有限责任公司 | Infrared strip and infrared touch device with same |
| WO2023056765A1 (en) * | 2021-10-08 | 2023-04-13 | 深圳市华胜软件技术有限公司 | Infrared touch screen and display apparatus |
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|---|---|
| CN102968223B (en) | 2015-08-26 |
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