TWM315377U - Structure for touch control panel - Google Patents

Description

M315377 • VIII. New Description: • [New Technology Area] This creation is a touchpad structure, especially one that provides cursor movement and user input or other applications. [Prior Art] Press, the touchpad can provide various input functions of electronic devices, from analog physical buttons or scroll keys to complex mode or action recognition systems, for example, US 5, 88, 411

The patent discloses a touchpad with superior motion characteristics or motion recognition. However, there are many applications that want to display images from the underside of the touchpad, such as: . The touch panel can be used to create a graphical user interface (GUI) by overlaying a liquid crystal display or a cathode ray tube (cRT) screen; or other applications may also want to make the display touch The bottom of the _ shows static information, such as: prompt advertising messages or guide the use of miscellaneous people _; only the former disclosure of the knowledge of the quotation of this class solution is paid. In addition, due to the conventional capacitive touch panels such as: US 5th, 457, N., 4' 806' 709 4, 733, 222, each has its unresolved shortcomings, such as: US 5, 457, 289 The patent case must have a front shield, and the fourth, the war patent requires a $electric surface. Therefore, it is necessary to modify the shortcomings of the prior art. [New content] ^ The main purpose of this creation is to achieve the effect of _light_extinguishment on the structure of the touchpad due to (4) changes in electrical characteristics during contact. The purpose of the J乍 person is to use the technique of controlling the light source to extinguish, and the indication is to make the 6-M315377 • whether the user's touchpad structure is in an operable state or a defined range of input-activity. 1 For the above purposes, a touch panel structure of the present invention is formed on a plurality of substrates for providing a conductive object contact, the touch panel structure mainly comprising the following components arranged in a stack: - a first substrate; a light guiding layer is disposed on one side, and a second substrate is disposed with an electrical circuit and is provided with a first conductor to form a sensing track, and a bonding layer is adhered to at least one side of the first substrate. Between the substrate and the light guiding layer, the periphery of the light guiding layer can be less illuminating - the air entraining circuit connecting the second substrate. The electrical circuit of the first substrate receives the touch panel structure and is contacted by the object. The day may cause the sensing capacity change to determine the contact of the object and thereby control the illuminating of the illuminating element. [Embodiment] Other advantages, objects, technical features and effects of the present invention can be understood by the following detailed description of the preferred embodiment of the present invention. Please refer to FIG. Referring to other drawings, the touch panel structure 11 of the present application is displayed as a sensing unit of the sensing unit. Before the control system! , mainly includes: - touchpad structure U, can sense (or detect, perceive) objects 〇 (for example: fingers, stylus stylus and other objects with miscellaneous, please refer to Figure 3, 4 ' Not limited to this, the proximity or touch (hereinafter referred to as contact) causes a change in capacitance, that is, the above object may cause at least one perceptual trajectory set in the touch panel structure η (or the perceived pattern or trace). The capacitance change of the following), a 7 M315377 process 3 12 ' is connected to the touchpad structure η, and the contact of the object is judged by receiving (or called) reading the capacitance change and/or its touch The position on the plate structure n is not limited thereto. The processor 12 may further include: an input unit 121, which is accessible before

The information about the change of the capacitance; an operation unit 122 is connected to the input unit 121, and the information of the capacitance change can be digitized; a vector processing unit 123 is connected to the operation unit 122, and the digital information is used to After the information (referred to as digital information), an object 0 (please refer to Figure 3, 4) is used to contact the touch panel structure B.

Location information' and the location information can be used with other devices or systems of the present touch panel structure U (eg, computer, mobile phone, PDA, etc. and/or its display screen, but not limited to this) The input/output of the device or system (the device, the input early τ 12 12 arithmetic unit 122, the vector processing unit 123 may also have the function of suppressing noise, thereby eliminating the noise induced by the touch panel structure u In a feasible implementation mode, the above-mentioned perceptual trajectory can provide sufficient capacitance to describe the object G, which is composed of thin lines (but not read by the touch panel structure u) Preset to provide the position of the object G contact 2 Refer to Figure 2 (may also refer to other drawings), wherein the touch panel structure ΰ mainly includes the components stacked as follows (but not limited to this): The first-US UA1 is at least the top surface of the light-transmitting and insulating, can be #土氏 adhere to its recorded light can be transmitted - the fa, the adhesive agent 11β a second substrate ·. Or / and permeable, insulating of

The first conductor 11C can be deposited on the second substrate 11A2 by a sputtering process or by a printing method and 8 M315377; the layout of the sensing conductor to form a transparent light can be obtained by The photoresist and the etching process are achieved, or the first conductor 11C may also cover the second substrate 11A2 by selectively coating a negative layer, and then removing the negative layer to leave the appropriate # The pattern of the light-perceived trajectory. The first substrate 11A1 and the second substrate 11A2 may be a polyester film, a giass, a polycarbonate plastic (__〇_Plastic), a Myler, etc. (but not The light-transmitting material is not limited thereto (for example, the second substrate 11A2 may be a non-transparent material); the light-transmitting and insulating adhesive 11B may be, for example, 3M #8142, Surgery, etc., but not limited to this; light transmissive conductor 11C such as: indium tin oxide (yttrium), transparent conductive plastic, silver, gold, Ming alloy, etc., but not limited to this. It should be understood by those of ordinary skill in the art that no material is completely transparent. In order to improve the transparency of the sensing unit η, the feasible methods are as follows: - 'Base 11Α, (10) and Adhesive ιιβ can be approximated or The phase_refractive index, by minimizing the refractive index of the different members, causes the light flux deformation (or age curve) to reduce the transparency to improve the transparency; second, the perception described in US 5th, _, 411 The technology can tolerate a high output impedance 'so that the impedance coefficient of the light transmissive conductor 11C can be relatively high and stable, such as · _A / square (but not (6), the transparency of the photoconductor 11C. The actuating layer 11D can be stacked on one side of the first substrate 11A1 s on the second substrate (10) and is a position that can be displayed by seeing through the substrate, (10), the actuating layer 315 M315377, for example: a light transmissive or opaque a substrate, or an image display device such as a liquid crystal display (LCD), a cathode ray tube (CRT), a fingerprint reader, a circuit board, etc. (but not limited thereto); in a possible embodiment, the actuation layer 11D Can also be omitted entirely, or The second substrate 11A2 may also be omitted and the conductor 11C may be directly disposed on the actuation layer 11D; in addition, the stacking positions of the first substrate 11A1 and the second substrate 11A2 may be interchanged without detracting from the function 'further' as long as the first substrate 11A1 is insulated and When the self-adhesive is applied to the first conductor hc, the adhesive 11B may be excluded or omitted. The above-mentioned so-called "self-adhesive", for example, the light-transmitting and insulating first substrate 11A1 is covered with a light-transmitting coating. The fifth or sixth figure (which can be combined with other drawings) can display a feasible embodiment of the one-dimensional touch sensing system 1, which can detect not only the contact of the object but also the perception of the layout of the first conductor 11C. One of the directions of the preceding array, the position of the object 〇, the position of the object 〇 can be calculated by measuring the sensed __capacitance value of the first conductor uc, and the object Q is covered according to the object Q coverage. Perceived f-capacity (4) The position of the touch-off Q is calculated by the subtractive wire, and the processor 12 can move the object according to the continuous history of the pre-access prosthetic Q position (4), and/or can Integrated control u The mechanism or structure of the perceived electrical noise. The one-dimensional contact structure 1 includes the perceptual representation of the money, which is formed by an equidistant interval along an axis of the age to form an array. The full touch rate of the forest scales, the interval between the money and the secret can be determined by the at least two sensing trajectories of the position of the touch-like position of the sensing area of the lion's face, and the above-mentioned sensing trajectory M315377 Density or higher accuracy A/D conversion (i.e., digitization of the information, which can be achieved by the processor 12 described above) can enhance the resolution of the touch sensing system 1 to calculate the position of the aforementioned object. As shown in FIG. 2, in the implementation mode not limited thereto, the above-mentioned bottom or/and uniformly coated with the light-transmitting first conductor pyridine, and the sensing trajectory array formed by the first conductor nc is used. A photoresist or side process is used to complete the layout or a layer formed by a negative photoresist arrangement may also cover the light transmissive first substrate 11A1 or the second substrate. For example, the light transmitting first conductor is first sprayed. Splashing process or by-coating method is deposited - substrate 1LU A second substrate 11A2, and _ after removing the mask after the negative resist layer and the perceived execution trace array set. Please refer to Figures 3 and 5 (which can be used with reference to other figures) to display a perceptual trajectory array for calculating the χ axis in the touchpad structure u (ie, the 感知 axis sensing UC1 array) In a feasible implementation mode of the position, each sensing trace can be a light-transmitting conductor, an array of equidistantly spaced diamonds 11 设 arranged on the first substrate with light transmission and insulation = (the second substrate 11 Α 2 is also a feasible mode), Increase the range of perceptual traces and allow the diamond zone to contain areas without lead material. Please refer to Figures 3 and 6 (can be used with reference to other figures), which is equivalent to - some perceptual arrays are used to calculate the γ axis in the touchpad structure η (ie, the γ-axis perceptual trajectory 11C2 array) A feasible implementation mode of the position, each of the perceptual trajectories (4) may be a transparent conductor, an array of equidistantly spaced diamond-shaped UEs disposed on the transparent, insulating second substrate 11Α2, which may increase the range of perceptual impediment and The area containing no conductive material. M315377 ._ Please refer to the 4th and 7th drawings (can be used with reference to other drawings), the symbol of the one-dimensional sensor system 1 (integrated with the perceptual array of the 5th and 6th figures) Also in a viable mode, the touch sensing system i can determine the presence or occurrence of the object 位置 position of the object 例如, for example, in two directions (for illustrative purposes, hereinafter referred to as the X-axis or the Y-axis). The actual number of sensed arrays and the presence of the two axes (X-axis or Y-axis) of the touchpad structure 11 will depend on the perception of the particular system or device and the recognition rate of the device. The position recognition rate 'interval of each perceptual trajectory' can be designed to facilitate the object 0 to occlude at least two perceptual trajectories in any one of the predetermined positions of the sensing area (X vehicle, γ axis). Figure 6 (which can be referred to with reference to other figures), is the touch panel structure 11 from the second substrate 11A2 with the Y-axis sensing the array on the upper side and the x-axis sensing is performed by the first substrate 11A1 at the bottom In a bottom view, it is suitable to fill the entire sensing region with at least one light-transmissive first conductor nc layer, such as: tin oxide, indium (IT0), gold, silver, etc. (but not This is limited to). In a feasible implementation mode, the eighth figure (which can be combined with other drawings), the stacked combination of the one-dimensional touch panel structure 11 can be reversed in order without degrading its function, and the X-axis is transparent and insulated. The first substrate 11Α1 is a top surface for the object to contact, and one side of the first substrate 11Α1 is a light-transmissive 感知-axis sensing ilcl, and the thin, transparent, and preferably adhesive insulator 11F separates the χ-axis perception. The trajectory 11C1 and the γ-axis sensing trajectory 11C2 are similar to the X-axis sensing trajectory HQ, which is a side of the second substrate 11A2 that covers the light-transmitting and insulating. 12 M315377 The technique of cutting the 2nd light transmission substrate 11M, UA2, adhesive (10) insulator and X-axis sensing trace 11C1 and γ-axis sensing trace 11C2 is applicable to the two-dimensional touch panel structure 11.

In a feasible implementation mode, it is possible to isolate the sensing and the noise induced by the electronic circuit of the touch sensing system i; In the two-dimensional touch panel structure - the base 11A1 - the base iia2 and the eighth figure can be the same technology, under the first - the bottom 11A1 'other layer light-transmissive insulator 11F is attached to another The light transmitting second guide and the second substrate 11Α3' are different from the X-axis sensing trajectory 11C1 and the Y-axis sensing trajectory 11C2 formed by the first conductor uc, which may be a grounded uniform conductor layer' The sensing unit 11 is provided with electronic protection to avoid the influence or interference of noise, and an example of a material suitable for the conductor Πσ and the substrate 11 A3 may be a light transmissive or non-transparent material as described in FIG. 2 . No longer. The first conductor 11C' or/and the substrate η A3 may also be inserted between the substrate 11A2 and the actuation layer 11D, that is, the conductor 11C is used, and the substrate 11A3 is added to add a transparent ground plate. One of the stacked touch panel structures u. Please refer to FIG. 10 (which can be combined with other drawings) to display a feasible implementation mode of a two-dimensional touch panel structure of the touch sensing system 1. A light transmissive substrate 11A1 can be bonded using a transparent insulator 11F. The light-transmissive first conductor 11C, as shown in FIG. 2, includes the X-axis sensing trajectory 11C1 array layout and is coated on one side of the second substrate ΠΑ2; the second substrate 11A2 is further One side can be laid out and coated with a Y-axis sensing trajectory 11C2 array included in the light-transmitting conductor 11C; a fourth base 13 M3153 77 bottom 11A4 is a light-transmitting insulator u-track 11 _ 1 (4) "Through-cutting- Γ-perceived trajectory 11C2 array) 'The feasible perceptual trace nC2 is arranged in the first _#: know 1^11C1 or / and W in the _ base (10) considering the error can be reduced - the base 11A2 is used to transmit the first conductor Uc is coated on both sides, because the second substrate 11A2 contains the _body axis sensing trace (10), the γ-axis sensing array; the quasi-can be born before the deposition/deposition Simplify the _alignment (or calibration) error of the X and Υ-perceived trace layouts.

The light-transmitting and insulating substrate (10), 11Α2, and 11Α4 can also be applied to a two-dimensional or-dimensional touch panel structure U. In addition, in terms of electronic protection, the light-transmissive fourth substrate 11M can be used as shown in FIG. The second conductor lie shown, and the first substrate 11A1 are replaced. ^ Supporting the perceived density of the above-mentioned perception, a thin-point conductive stylus can also fit at least two sense fields' or increase the accuracy of the A/D conversion (that is, the poor information The digitization, which can be achieved by the processor 12 described above, can improve the sensitivity of detecting a change in the on-chip capacitance on the perceived φ trajectory (conductor x-axis sensing trace 11C1 or/and sensing trace 11C2 array). Please refer to FIG. 11 (which can be used with reference to other figures) to display another possible implementation mode of the touch panel structure 11 of the touch sensing system 1. The stack of layers of the two-dimensional sensing unit 11 is substantially the same as the foregoing The drawings are the same, wherein one side of the first substrate 11A1 is covered with a thick line, impedance, and light transmissive coating 11G, thereby extending the effective contact range of a fine pointed conductive stylus. Referring to FIG. 12 (which can be combined with other drawings), a possible implementation mode of the stacked 14 M315377 control panel structure 11 is shown. The first substrate 11A1 and the second substrate 11A2 are identical to those described in the foregoing figures. The difference between the two-dimensional touch panel structure 11 is that the first substrate 11A1 and the second substrate 11A2 are elastic or/and flexible, such as polyester film, etc., but not limited thereto. Below the second substrate 11A2 is a light transmissive insulator 11F adhered to a light transmissive, flexible dielectric layer 11H, and the other layer insulators 11F adhere to the dielectric layer iiH and the light transmissive first conductor uc (x-axis sensing track 11C1 or/and Y-axis sensing track UC2), third substrate 11A3, the third substrate 11A3 can be made of a rigid material such as glass, polycarbonate plastic, etc. and/or a circuit board made thereof, but Without limitation, the second conductor 11C may be a light-transmissive uniform conductor layer that is electrically grounded. In summary, the first substrate 11A1 can serve as a light reflecting layer, and a light guiding layer UJ (not shown) can be added to one side of the first substrate 11A1, and the second substrate 11A2 can be used as an electrical circuit. The circuit board or/and the first conductor 11C (the X-axis sensing trace 11C1 or/and the Y-axis sensing trace n(2) are provided, and the bonding layer 11 may be adhered to the first substrate 11Al> side (for example: the aforementioned adhesive or Insulator 11F), wherein the bonding layer 丨1' is interposed between the aforementioned first substrate 11A1 and the light guiding layer uj, and furthermore, the periphery of the light guiding layer nj (such as in the first substrate UAi and/or the second substrate UA2) The side or the bottom, etc. may be provided with at least a light-emitting element 11L (not shown) and connected to the electrical circuit of the second substrate (10) or the processor 12, so that the user presses the light guiding layer (1) to force The first substrate (10) or/and the aged layer contacts the first conductor to sense the trajectory or the Α γ axis senses the trace u(2) to generate a capacitance change. The electrical circuit of the second substrate 11A2 or/and the processor 15 M315377 12 described above may be Receiving the aforementioned capacitance change value and controlling the subsequent reduction of the light-emitting element iil The first substrate 11A1 reflects or/and illuminates the light of the hair piece 11L through the light guiding layer 11J to achieve the function of prompting the position and range of the touch panel structure n, and the second substrate The electrical circuit of 11A2 can be integrated or separated from the above processor η. This creation has not been disclosed and used, and it also conforms to the new patent requirements, and the application is made according to law. I would like to grant the patent, which is what I hope. The above description is only a preferred embodiment of the present invention, and is not intended to limit the creation. If the composition of the creation is changed according to the creation, it is not necessary to change the configuration or arrangement type. For the various changes, the equivalent effect of the modification and application should be included in the scope of the case and combined with Chen Ming. "" [Simple description] Figure 1 is the touchpad of this creation A possible application mode of the structure is illustrated. _ Figure 2 is a side view of a possible embodiment of the touch panel structure of the present invention. Fig. 3 is a schematic diagram of a feasible application mode of the touch panel structure of the present invention. A schematic diagram of a possible application mode of the touchpad structure of the present invention. Figures 5 to 7 are schematic diagrams of a feasible layout of the first conductor of the touchpad structure. Figures 8 to 13 are the second of the touchpad structure of the present invention. Side view of a possible embodiment. [Main component symbol description] 1 Induction system 16 M315377 11 Touchpad structure • 11A1 First substrate 11A2 Second substrate 11A3 Third substrate 11A4 Fourth substrate 11B Adhesive 11C First conductor • 11C1 X-axis sensing track 11C2 Y-axis sensing track 11C' second conductor 11D actuating layer 11E diamond 11F insulator 11G coating • 11H dielectric 11J light guiding layer 11L light-emitting element 11' bonding layer 12 processor 121 input unit 122 arithmetic unit 123 vector Processing unit 17

Claims (1)

M315377 IX. Patent Application Range: • 1. The touch panel structure includes: a first substrate having a light guiding layer on one side thereof; and a second substrate carrying an electrical circuit and having a first The conductor has a bonding layer between the first substrate and the light guiding layer on at least one side of the first substrate, and an electric circuit connecting the at least one light emitting element and connecting the second substrate to the periphery of the light guiding plate. 2· The touch panel structure described in the item 1 of the present invention, wherein the towel base-base is made of polycarbonate ( ( 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 The structure, wherein the first-substrate is made of: r. 4. The touch panel structure according to the item 1, wherein the first substrate is made of a polyester film. 5U item 1 The touch panel structure of 34, wherein the first substrate is made of glass (4) coffee. The touch panel structure described in the ninth member, wherein the first conductor is deposited on the second substrate by using a money spraying program. The touch panel structure of Mooncake 1, wherein the first conductor is deposited on the second substrate by printing. The touch panel structure described in the luminary 1 is characterized in that the first conductor is required to form a light transmission sensation = the layout of the trace is achieved by a photoresist and embossing. The touch panel structure described in claim 1, wherein the layout of the first conductor to form a light-transmissive sensation is to cover the second substrate by a coating-negative layer, and then remove the negative layer. Leave a pattern of the trajectory of the transparent domain. The touch panel structure of claim 1, wherein the first conductor is formed on at least one side of the second substrate. 11_ The touch panel structure of the present invention, wherein the first conductor comprises an X-axis sensing trace and a Y-axis sensing trace. The touch panel structure of the above, wherein the electrical circuit of the second substrate incorporates a processor. The touch panel structure described in Changbai 1, wherein the electrical circuit of the second substrate is further connected to a processor. 14. The request item, the substrate, and the touch panel structure, wherein the towel light-emitting element is disposed on a side of the first soil or the second substrate and/or below. 19