TW492026B - Touch control device - Google Patents

Abstract

The touch control device of the present invention comprises a touch screen and a touch indicator, wherein the touch screen comprises a conductive glass layer, an insulating layer, a terminal layer and a terminal protection layer. The conductive glass layer is formed by applying diffusing process to uniformly embed a plurality of conductive ions into a plurality of glass molecules, so as to replace the conventional conductive layer formed by spraying and coating on a glass layer. In addition, the touch indicator substitutes the conventional complicated structure having thin film layer and conductive layer, and the terminal layer substitutes the conventional two-terminal layer structure, so as to simplify the overall manufacture of the present touch control device, and also provide the advantages of reducing the cost and increasing the manufacturing yield. Furthermore, the conductive glass layer structure of the present invention is able to prevent the touch terminal of the touch indicator from easily scratching the conductive surface to influence the uniformity of the conductive surface and further influence the accuracy of the touch control device.

Description

492026, Description of the invention G) [Scope of application of the invention]: The invention relates to a touch device, especially a touch device that uses a touch finger to indirectly touch a touch screen to generate a position signal. [Related technology and background of the invention] ^ Today's technologically advanced consumers' requirements for information products (such as computers, or personal digital assistants, etc.) are not just limited to large capacity and performance. Traditional input Devices (such as keyboards, mice, etc.) are also available. None, to meet the needs of ordinary consumers, so there is a touch screen on the screen of these information buttons, which is convenient for users to intuitively on the screen Tap and even write ideas to increase the affinity of input devices. '^ The structure of the touch screen is shown in the first figure. The figure shows that a touch screen 1 includes at least a glass layer 10, a first conductive layer U, a first insulating layer 12, a first terminal layer 13, and an isolation. Layer 14, second terminal layer 15, second insulating layer 1 /, second conductive layer 17 and thin film layer 18, etc., wherein the first conductive layer η and the second conductive layer 17 are coated with a material having conductive ions Generally, it can be indium tin oxide (ITO): the first conductive package 11 and the second conductive layer 17 are respectively combined with the glass layer 10 and the thin film layer 18 by a spraying process to make the glass layer 丨〇 and the surface of the thin film layer 丨 8 are conductive; respectively, after that, the first insulating layer 丨 2 and the second insulating layer 丨 6 are attached to the glass layer 丨 〇 and the thin film layer 丨 8 in a circuit: brush manner, Since the first, the edge layer 12 and the first insulating layer 16 are made of a four-sided ring-shaped insulating material, they are used to regulate the range of the conductive layer and precisely control the first conductive layer.

Page 4 492026 V. Description of the invention (2) The uniformity of the distributed electric field of the second conductive layer 17; the first terminal layer 13 and the second terminal layer 15 are also made of conductive materials (such as silver paste), Printed on the first conductive layer 丨 and the second conductive layer 丨 7 by circuit printing, wherein the first terminal layer 丨 3 and the second terminal layer 丨 5 each have a pair of mutually parallel terminals (the first terminal Layer 13 includes terminals 131 and 132; the second terminal layer 15 includes terminals 1 51 and 1 5 2), which are located on opposite sides of the third terminal layer 13 and the second terminal layer 15 (as shown in the first figure). (The terminals 131 and 32 of the first terminal layer 13 are located on both sides of the X direction in the figure; and the terminals 151 and 152 of the second terminal layer 15 are located on both sides of the γ direction in the figure) 'Each terminal includes at least one row Cable (terminal 131 cable 133; 1 2 2 cable 1 3 4; terminal 1 51 cable 1 15 3; terminal 15 2 cable 丨 w) 'are used for signal transmission; finally After the isolation layer 4 is printed on the first conductive layer in a brush manner, the above-mentioned "road printing" is completed. The operation of the above-mentioned conventional touch device: relative description: The formula is as follows: May refer to the first Δ diagram, which is along the line A-A in the first picture. Some users press the top view of Figure 1. There is an isolation layer 14 between the brother-conducting layer 11 and the second conductive layer 17. Since 14 is composed of a plurality of neatly arranged insulating particles 14 ′, the 'isolation layer and the second The conductive layer 17 will not have any contact, and there will be no signal output during the touch-conducting day; please refer to the second figure B. If the second display is 1, the user presses the touch device it film with his finger 20 When layer 18 is followed, the depression of 18 will force the second conductive layer 17 to follow the depression and contact the film-seeking layer conductive layer 11 'Because of the-terminal layer i 3, it can be designed to borrow the-field line 1 3 3 492026

The provided terminal 131 is a voltage of + 5 volts (volt), and the voltage of the terminal 132 provided by the cable 134 + 0 volts (Volt) can make a potential difference between the terminal 131 and the terminal 132 ( + 5v), so that the first conductive layer 11 can have a uniformly distributed electric field (0V ~ 5V); at this time, the second conductive layer 17 is recessed to contact the contact point 21 of the first conductive layer n. The second terminal layer 15 reads out the position of the contact point 21 in the electric field in the first conductive layer, which is the position in the X direction in the first figure; within a certain time, it switches to the second terminal layer 15 A potential difference (+ 5V) is generated between the terminal 151 and the terminal 152, and the second conductive layer 17 is recessed to contact the contact point 2 of the first conductive layer n. 1 The contact point 2 is read out through the first terminal layer 3 The position of the electric field in the second terminal layer 15 is the position in the γ direction in the first figure. According to the above-mentioned method, it can be sequentially switched. When the user presses one of the fingers 20, the touch setting 1 The relationship between the X coordinate and the γ coordinate with respect to time at a certain position, so that the user can use the touch device to input Message to the destination information products. Although the above-mentioned touch device has reached a way to improve the conventional input device, but the department still sells some shortcomings that need to be improved, such as the thin film layer of the conventional touch device is very thin, so it is very fragile. The hand just said that the fingertips are too sharp, or when the user even presses the touch device with some sharp objects (such as wrong pens, hand tools, etc.), it will cause the film layer to crack, thereby affecting the electric field in the conductive layer. The uniformity makes the detection position inaccurate, and the error of the touch device will increase accordingly. In addition, the excessive number of components of the touch device and the complicated manufacturing process not only cause a burden on the manufacturer, but also make it difficult to improve the manufacturing quality. rate.

Page 6 492026

[Explanation of the embodiment] Please refer to the third figure 'This figure is a schematic diagram of the explosion of the present invention. The touch device 3 shown in the figure is at least touch = and a touch indicating device 31; a touch screen 3. It is a quadrilateral type, and it contains a conductive glass layer 300, an insulating layer 301, a terminal layer 302, and a mid-range to a samarium layer 303. The conductive glass layer 300 is applied with a diffusion potential. Cheng II :: Cheng, #Daddy read the fourth picture, the glass molecules shown in the figure are uniformly rnn r, j, and the conductive ion 30G2 is neatly inserted between the glass molecules 3 0 01, so As the free electrons of the conductive ion 3002 can still moderately move on the surface 300, the surface 3000 of the conductive glass layer 3000 has conductivity without losing the original hardness of the glass; the above-mentioned conductive ion 3 0 02 can still use indium tin oxide (IT0: I ^ id 1 um Τ1 χ χ 1 de), or other materials of the same nature, as described in the conventional, and the diffusion process is a general semiconductor process, not here To repeat it; among them, the insulating layer 3 # 0 1 is the same as the conventional one, and can be attached to the conductive glass layer 300 in a circuit printed manner. The purpose is also used to standardize the range of the conductive glass layer 300. Precisely control the uniformity of the distributed electric field of the conductive glass layer 300 Alternatively, an etching process such as a semiconductor is used to partially etch the outer ring of the conductive glass layer 300 to produce the insulation effect of the phase 3 as the above-mentioned insulating layer 3 0 1 is attached to the conductive glass layer 3 0; wherein the terminal layer 3 〇2 is also made of conductive material (such as silver paste) as described in the conventional, printed on the conductive glass layer 300 by circuit printing; and then formed by a four-sided ring-shaped insulating material Terminal protection

492026 V. Description of the invention (5) The protective layer 3 0 3 covers the terminal 302 layer, which is used to protect the terminal layer from being damaged: one end of the touch indicating device 31 of the touch device 3 of the present invention is touch. 310, is made of conductive material, its shape is convenient for the user to hold; the other end is far away, saying "for leather", ^ $ 住 定力 而 贝 J 运 接 —Signal The line 3 1 1 is used to transmit the signal; the operation method of the embodiment of the present invention is as follows. In the above-mentioned touch device 3 of the present invention, the touch indicating device ^ is replaced by: = the structure of the conductive layer, so the present invention Terminal layer 302 / Sub 2: 1 ::: Xi The first terminal layer 13 and the second ::: two in the first picture mentioned in the touch indicating device 31 ... of the touch screen 30, Because the terminal layer 3 0 2 can be arranged as shown in Figure 5A, it includes at least two pairs of parallel strip terminals (such as terminals 3 0 2 1, 3 0 22, 3 023, and 3024). The above four The terminals are located on the four sides of the conductive glass layer 300 respectively, and each terminal includes at least one row of wires (such as the rows of wires 30 25, 30 2 6, 3027, and 30 28); The voltage provided by the terminal is 3021 + 5 volts, and the core wire allows the voltage of the lifter 3022-+ 0 volts (V〇lt) to make a voltage between terminals 3 02 1: =: 3022 The potential difference (+ 5V) makes the surface of the conductive glass layer 300 have a uniformly distributed electric field (〇ν ~ 5ν); when the touch-indicating device 3 ± 1 contacts the surface of the conductive glass layer 300, you can borrow The potential indicator wheel 7 of the dedicated electric field of the conductive glass layer 300 detected by the touch-indicating device 31 is used to determine the position signal output of the touch-indicating device 31 in the χ direction on the touch screen 30; Within the time, switch to the ~ terminal & sub 30 23 — + 5 volts provided by the cable 3〇27, and the terminal 3〇 ^ + 0 volts provided by the cable 302, so that There will be a potential between terminal 3023 and terminal 3024

5. Description of the invention (6) Poor (+ 5 V). At this time, the touch indicating device 31 detects the potential output of the surface electric field of the conductive glass layer 300 to determine the touch charge screen 30. Position signal output in the Y direction; follow the above two steps in sequence; touch ^ can get the X coordinate of the touch indicating device 31 on the touch screen 30 and the Y coordinate T for the relationship between 4 to achieve The user uses the touch device 3 to input information for the purpose of the information product. The arrangement of the terminals in the terminal layer 3 02 described above can also be designed as shown in Figure 5B. The terminal layer 3 02 can include a "mouth" terminal 3/21, and a "mouth" terminal 3 02 1. The four corners of the frame contain four f ^, respectively, provided by cables 3025, 3028, +, line_, and 3〇27 '-+ Q Volt (VGlt) = m

T # ^ = type Zhizi 3 02 1 has a potential difference in the X direction (+ 5V). The surface of the glass layer 300 has an electric field 3026 uniformly distributed in the χ direction. Then, in another specific time interval, borrow Conductor 3025, 3026 耠 仏 +5 volts, and a potential difference (+ 5V) in the direction of Υ, the conductive glass reed (ov4. / Λ mode is sequentially switched, when the touch indication wears 'According to the top ^ ^ 不 衣衣 3 1 when contacting the touch screen 3 0, also ^ a;, 1 ^ J ^ ^ Ϊ ^ ^ Yu :: control indicator device to replace the conventional film = structure The structure of the conductive glass layer replaces the conductive layer of Xi. V. Description of the invention (?) Spray coating is used to break the first-terminal layer and the second type. At the same time, the terminal layer is used to replace the overall process. The Q, Q, and structure of the touch device of the present invention simultaneously lead the mine of the present invention: the advantages of reducing costs and improving manufacturing yield; the structure of the touch terminal can be easily structured to prevent uniform production on the surface of the touch indicating device. In addition, ^ ^ V electrical surface, which affects the progress of the electrical conductivity, and the accuracy of the touch device. ^ ^ im ^ 5 ^ ^ ^ ^ ^ ^ ^ display device 51, etc., the touch batch s in A contains touch screen 50 and touch finger and touch indicating device 51 ^^ insulation layer 5G2 and terminal layer It has the same function, but the conductive two r use the structure and manufacturing method described in the embodiment of the present invention. The method is known as the conventional method, and the spraying is considered to be a plastic. In the above, the bottom layer of the film can have conductivity: it is composed of a binding film, and the surface of the bottom layer of the thin film 500 has a method of cutting the conductive reed 50 on the thin bottom layer 500! Edge layer 502 has the same insulation function: layer 5 is cut / replaced so that it has a touch terminal 510 as in 51, which will scratch the conductive layer 201. In order to stop the wide-control indicating device, mountain pull # j ¥ 电 层 5 0, so a hardened layer 5 0 4 is provided on the top of the touch screen 50. The hardened layer 5 0 4 can be made of plastic coating (CoatM), and its thickness needs to be less than ι0 microns (㈣ to ensure this The touch finger 10 does not touch the device 5 and is electrically conductive, and at the same time has the effect of protecting the conductive layer 501 from being damaged. Τ The touch device in the above embodiment uses a thin film bottom layer The method of attaching a conductive layer to the bottom of the film has a flexible property, which can meet the application of a tethered clothing on a screen with curvature, and simplify the touch device at the same time. Page 10 492026 5. Description of the invention (8) The manufacturing process also has the advantages of reducing costs and improving manufacturing yield. The above description is only a preferred embodiment of the present invention. This embodiment is only for illustration, not to limit the scope of patent application of the present invention. The scope of the present invention is defined by the following patent application scope. All equal changes and modifications made in accordance with the scope of the patent application of the present invention shall fall within the scope of the present invention.

Page 11 492026 Schematic description [Schematic description] The first diagram is an explosion diagram of a conventional touch device. FIG. 2A is a schematic cross-sectional view of a conventional touch device. FIG. 2B is a schematic cross-sectional view of a conventional touch device when a user presses it. The third figure is an exploded view of the touch device of the present invention. The fourth figure is a schematic diagram of the molecular arrangement of the conductive glass layer in the touch device of the present invention. The fifth A is a schematic diagram of the terminal layer in the touch device of the present invention, and the first terminal arrangement.

Fig. 5B is a schematic diagram of the terminal layer and the second terminal arrangement in the touch device of the present invention. FIG. 6 is an exploded view of a touch device according to another embodiment of the present invention. [Illustration of Symbols] I Conventional touch device 10 Glass layer II First conductive layer 12 First insulating layer

13 First terminal layer 131, 132 Terminal 1 3 3, 1 3 4 Cable 14 Isolation layer 140 Insulation particles 15 Second terminal layer

Page 12 492026 Brief description of drawings 1 5 1, 1 5 2 Cables 153, 154 Terminal 16 Second insulation layer 17 Second conductive layer 18 Thin film layer 20 Finger 21 Contact point 3 Touch device 30 of the present invention Touch screen 3 0 0 conductive glass layer 3 0 0 0 surface 3 0 0 1 glass molecule 3 0 0 2 conductive ion 301 insulating layer 3 0 2 terminal layer 3 0 2 1 ~ 3024 terminal 3 0 2 5 ~ 3 0 2 8 cable 3021 , "Mouth" terminal 3 0 2 5 ′ ~ 3 0 2 8, cable 3 0 3 terminal protection layer 31 touch indicating device 310 touch terminal 311 signal line 5 touch device according to another embodiment of the present invention

Page 13 492026 Brief description of the diagram 5 0 Touch screen 5 0 0 Thin film bottom layer 501 Conductive layer 5 0 2 Insulating layer 5 0 3 Terminal layer 5 0 4 Hardened layer 51 Touch indicating device 510 Touch terminal 511 Signal cable

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Claims (1)

-Case No. 90: 11 ^ 1 6. Scope of patent application [Scope of patent application] 1 · A touch device, the touch screen is a conductive broken layer uniformly filled with conductivity; a terminal layer, The system includes at least a line of electric glass layer; and a touch indication device is made, and the other is that the touch device uses the conductive glass layer to contact the touch screen number. The device is a quadrangle, and the plurality of guides are There is a pair of two oppositely positioned, the end connection is less than: The screen, the touch screen at least contains: The electric breakage layer is formed by a plurality of conductive ion slope glass molecules to make the surface V-electricity Circuits made of metal materials have mutually parallel terminals' located on the leading edges. Each terminal includes at least one end of a line made of a conductive material for transmitting signals. The terminal layer of the screen provides a Potential difference, in a uniform electric field, when the potential detected by the touch indicating device k provides a position signal, the touch forms a 2 · touch device according to item 1 of the patent application scope, wherein the conductive glass layer Application of diffusion process (Diffusion) a plurality of conductive ions are embedded into a plurality of hooks between the glass molecules. The touch device according to item 1 of the scope of patent application, wherein the terminal layer is attached to the conductive glass layer by means of circuit printing. Page 15 492026 Amendment No. 9011 ^ iq VI. Patent application line 4. The touch device as described in item 1 of the patent application, wherein the terminal layer includes at least two pairs of parallel terminals, and the four terminals are divided into It is located on the four sides of the conductive glass layer, and the terminals include at least 5. The touch device described in item 1 or 4 of the scope of patent application, the terminals of the terminal layer are elongated, so that the conductive glass layer is on the conductive glass layer.忒 之 homogenize. Electricity ~ All 6. If item 丨 of the scope of patent application includes a “mouth” terminal Λ touch device, where the terminal is located at the four corners of the “mouth” terminal, the K lines are arranged, and the lines are respectively ^ 7.r please touch the device described in the first item of the patent scope 'the device includes at least one of the two glass layers to control the conductivity; glass layer: to: electrical break m blue patent range i The above-mentioned touch-off process of the conductors can be used in the conductive glass # 4, 4, 4, and produce the effect of insulation. The edge-type part-etching device includes at least 9. The touch device described in the first item of the scope of patent application, the 16th page 492026 Case No. 90Π2008 VI. Scope of patent application A terminal protection layer is composed of four sides that are located above the terminal layer and are covered with metal and edge materials. The terminal layer is protected from damage. Covering the terminal layer is used to protect the 10. The appearance of the touch device as described in item 丨 of the scope of patent application may be one-stroke type. Wei Zhanzhi, in which the touch finger η · a touch device, the device includes at least: a touch screen, a quadrilateral screen, a thin film bottom layer, a # # Μ touch screen at least include · -Conductive layer, a flat plate made of materials; the bottom layer of the film is tightly combined; a raw material composed of a terminal layer is a circuit with conductivity that contains at least-pairs of parallel == t The two opposite sides of the layer, each end: to υ do not: to the hardened layer, a non-conductive thunder shaker 3 ~ cable; 1 〇η ½ (" made of more shell material, thick production is less than difficult to achieve (Heart), is located at the touch 'Pred J' to protect the conductive layer from being destroyed. Take the upper layer, use a touch indicating device, one end is formed, and the other end is connected. The touch device made by the material uses Xi's total peach p + Shanchuan Chuan alum No .; a uniform electric field and a two-potential difference are formed in the conductive layer, and the #, ΒΙΜ φ j field when the touch screen is reached. Λ The contact worker indicates that the device is in contact with the detected potential to provide a position signal. 492026 _Case No. 90112008_ Month of the year Amendment_ 6. Scope of Patent Application 1 2. The touch device described in item 11 of the scope of patent application, wherein the bottom layer of the film can be made of a plastic material film. 1 3. The touch device according to item 11 of the scope of patent application, wherein the conductive layer is coated on the bottom layer of the film by a spray coating process. 14. The touch device according to item 11 of the scope of patent application, wherein the terminal layer is attached to the conductive layer by means of circuit printing. 15. The touch device according to item 11 of the scope of patent application, wherein the terminal layer includes at least two pairs of mutually parallel terminals, the four terminals are located on four sides of the conductive layer, and each terminal includes at least one row line. 16. The touch device according to item 11 of the scope of patent application, wherein the terminals of the terminal layer are elongated, so as to make the electric field on the conductive glass layer uniform. 1 7. The touch device according to item 11 of the scope of patent application, wherein the terminal layer includes a "mouth" terminal and four ribbon cables. The ribbon cables are respectively located at four of the "mouth" terminal. In the corner. 1 8. The touch device according to item 11 of the scope of patent application, the device includes at least: an insulating layer, which is composed of a four-sided ring-shaped insulating material, located at Page 18 492026 _Case No. 90112008_ Month Revision_ VI. Patent Application Scope The conductive layer and the terminal layer are used to regulate the range of the conductive layer to control the distributed electric field of the conductive layer. 1L The touch device according to item 11 of the scope of patent application, wherein the conductive layer on the bottom layer of the film can be cut by laser cutting to make it have an insulating effect. 20. The touch device according to item 11 of the scope of patent application, wherein the appearance of the touch indicating device may be a single stroke type. Page 19