JP2002149085A - Touch panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the transmissivity of an analog type resistive film touch panel. SOLUTION: An analog type resistive film touch panel 1A is provided with a top side transparent substrate 2a and a bottom side transparent substrate 2b which are opposing to each other, plural transparent electrodes 3aX and 3bX which are respectively provided on the opposing surfaces of the substrates 2a and 2b in a stripe shape and are arranged to form a matrix by the both stripes, electrode terminals 5a and 5b which are respectively provided to mutually connect the tip parts of the same side of the electrodes 3aX and 3bX and a spacer 4 which is provided between the substrate 2a and 2b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a resistive touch panel.

[0002]

2. Description of the Related Art A liquid crystal display device having a resistive touch panel on a screen which allows information to be input by pressing with a pen or a finger is used as a display device of a portable telephone, other portable information terminals, a personal computer and the like. Have been.

FIG. 8A is a schematic configuration diagram of a conventional general resistive touch panel, and FIG. 8B is a cross-sectional view thereof. As shown, the resistive touch panel 1
Are provided on the opposing surfaces of two transparent substrates (upper transparent substrate 2a and lower transparent substrate 2b) made of a glass substrate, a plastic substrate such as PET, or a plastic film, respectively.
A transparent electrode (upper transparent electrode 3a, lower transparent electrode 3b) made of an O film is provided, and a resin spacer 4 is provided therebetween. The upper transparent electrode 3a and the lower transparent electrode 3b when the touch panel 1 is not pressed
This prevents the contact of Electrode terminals 5a and 5b are provided on two opposite sides of the upper transparent electrode 3a and two opposite sides of the lower transparent electrode 3b, respectively. A predetermined voltage is applied between the opposing electrode terminals 5a of the upper transparent electrode 3a from the power supply 8, and the connection of the power supply 8 is similarly switched between the opposing electrode terminals 5b of the lower transparent electrode 3b. And a predetermined voltage is applied.

Here, since one of the upper transparent electrode 3a and the lower transparent electrode 3b is a resistive film in the x-axis direction and the other is a resistive film in the y-axis direction, for example, the upper transparent substrate 2a is formed as shown in FIG. When the finger 6 is pressed, the upper transparent electrode 3a and the lower transparent electrode 3b come into contact with each other at the pressed portion, and the x direction or the y direction of the pressed portion.
The voltage changed according to the position in the direction is the electrode terminals 5a, 5b.
Output from Therefore, for example, the output voltage corresponding to the position in the y direction is detected by the voltage detector V as illustrated, and the connection of the voltage detector V is switched to detect the output voltage corresponding to the position in the x direction, Based on these, x of the pressed part
Find coordinates and y coordinates. Since the values of the x-coordinate and the y-coordinate of the pressed portion thus obtained continuously change according to the position of the pressed portion in the x direction or the y direction, such a touch panel 1 is different from an analog resistive touch panel. Called.

FIG. 10 is a sectional view of a reflection type liquid crystal display device 30 with a touch panel provided with the touch panel 1 of FIG. 8 on the front surface of a liquid crystal display panel 10a. This liquid crystal display panel 1
0a is the first substrate 11a and the second substrate 11
b, a liquid crystal layer 12 sandwiched between a first substrate 11a and a second substrate 11b. The transparent electrodes 18 are provided on the opposing surfaces of the first substrate 11a and the second substrate 11b, respectively.
a and 18b are formed. Outside the liquid crystal display panel 10a, the phase difference plate 1 is provided on the first substrate 11a.
3, the polarizing plate 14a is sequentially laminated, and the second substrate 1
On 1b, a polarizing plate 14b and a reflecting plate 15 are sequentially laminated. The liquid crystal display panel 10a and the touch panel 1 are fixed by a double-sided adhesive tape 17 or the like so that the air layer 16 is provided between the both.

[0006]

In the analog type resistive touch panel 1 shown in FIG.
When a is formed from a PET film and the lower transparent substrate 2b is formed from a glass substrate, the transmittance of the film with the ITO film in which the ITO film is formed as the upper transparent electrode 3a on the upper transparent substrate 2a is about 91%, The transmittance of the substrate with the ITO film in which the ITO film is formed as the lower transparent electrode 3b on the lower transparent substrate 2b is about 94.5%, and the transmittance when these two sheets are stacked is only about 86%. . Further, when the touch panel 1 is used by being provided on the front surface of the reflection type liquid crystal display device, light for forming an image passes through the touch panel 1 twice, so that the calculated transmittance is further reduced to about 74%. I will. In this case, most of the cause of the decrease in the transmittance is reflection loss at the interface between the upper transparent electrode 3a or the lower transparent electrode 3b and the air layer between them.

The object of the present invention is to improve the transmittance of such a conventional analog resistive touch panel without impairing the function of the analog resistive touch panel.

[0008]

Means for Solving the Problems The inventor of the present invention has proposed a conventional analog type resistive touch panel in which an upper transparent substrate 2 is provided.
The upper transparent electrode 3a and the lower transparent electrode 3b, which were respectively formed solidly on the lower transparent substrate 2b and the lower transparent electrode 2a, were formed in a stripe shape, and the stripe of the upper transparent electrode 3a and the stripe of the lower transparent electrode 3b were orthogonalized. It has been found that, when a matrix is formed by these, the ratio of the upper transparent electrode 3a and the lower transparent electrode 3b covering the front surface of the liquid crystal display panel can be reduced, thereby improving the transmittance of the touch panel. Was.

That is, the present invention is directed to a transparent electrode provided in a stripe shape on each of opposing upper and lower transparent substrates, opposing surfaces of the upper and lower transparent substrates, and an end of the same side of the transparent electrode. An electrode terminal provided so as to connect to each other, and a spacer provided between the upper transparent substrate and the lower transparent substrate, and transparent electrodes provided in stripes on the upper transparent substrate and the lower transparent substrate, respectively. An analog resistive touch panel provided with these transparent electrodes so as to form a matrix is provided.

According to the present invention, there is provided a touch panel manufacturing method as described above, wherein transparent electrodes are formed in stripes on each of opposing surfaces of an upper transparent substrate and a lower transparent substrate to face each other, and an end of the transparent electrode on the same side. Are formed so as to connect to each other, a spacer is formed on at least one of the opposing surfaces of the upper transparent substrate and the lower transparent substrate, and the upper transparent substrate and the lower transparent substrate are striped on both substrates, respectively. The present invention provides a method of manufacturing an analog resistive touch panel in which a transparent electrode formed in the above is opposed to and fixed so as to form a matrix.

Further, the present invention provides a liquid crystal display device having a touch panel, comprising a first substrate and a second substrate facing each other, and a liquid crystal layer sandwiched between the first substrate and the second substrate. A liquid crystal display device with a touch panel comprising a liquid crystal display panel and a touch panel provided on the front surface of a first substrate of the liquid crystal display panel, wherein the touch panel has an upper transparent substrate, a lower transparent substrate, and an upper transparent substrate facing each other. A transparent electrode provided in a stripe shape on the opposite surface of the lower transparent substrate, an electrode terminal provided so as to connect the same side ends of the transparent electrode to each other, and between the upper transparent substrate and the lower transparent substrate. The transparent electrodes are arranged such that a matrix is formed by transparent electrodes provided in stripes on the upper transparent substrate and the lower transparent substrate, respectively. To provide a liquid crystal display device with a touch panel is an analog-type resistive touch panel.

A first substrate and a second substrate facing each other;
And a liquid crystal display device comprising a liquid crystal display panel comprising a liquid crystal layer sandwiched between a first substrate and a second substrate,
Transparent electrodes provided in stripes on the opposing surfaces of the first substrate and the second substrate, electrode terminals provided to connect ends of the transparent electrodes on the same side to each other, and The first substrate and the second substrate are formed of a spacer in a cell for a touch panel formed on a base of a stripe-shaped transparent electrode or a stripe-shaped transparent electrode on a second substrate. And the cell gap between the first substrate and the second substrate at the position where the spacer in the touch panel cell is not formed is 2 to 10 μm, and the first substrate and the second substrate In a touch switch provided with a resistive touch switch in which these transparent electrodes are arranged so that a matrix is formed by transparent electrodes provided in stripes on the substrate, respectively. Provide a storage liquid crystal device.

Further, the present invention relates to a portable information terminal having a liquid crystal display panel provided with a touch panel, wherein the touch panel is provided on an opposing upper transparent substrate and a lower transparent substrate, and on an opposing surface of the upper transparent substrate and the lower transparent substrate. Each of the transparent electrode provided in a stripe shape, an electrode terminal provided so as to connect the ends of the same side of the transparent electrode to each other, and a spacer provided between the upper transparent substrate and the lower transparent substrate,
Provided is a portable information terminal that is an analog resistive touch panel in which transparent electrodes provided in stripes on an upper transparent substrate and a lower transparent substrate form a matrix such that these transparent electrodes are formed.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings. In each drawing, the same reference numerals represent the same or equivalent components.

FIG. 1 is a schematic structural view (FIG. 1 (a)), a cross-sectional view (FIG. 1 (b)) and a partially enlarged plan view (FIG. 1) of an example of an analog resistive touch panel 1A of the present invention. (C)). The touch panel 1A is the surface of the film substrate such as PET, width L1 is the strip-shaped upper transparent electrode 3a _X of 20 to 200 [mu] m, the pitch P1 50～500Myu
an upper transparent substrate 2a formed in stripes in m, the lower transparent formed in stripes lower transparent electrode 3b _X of the strip width L2 on the surface of the glass substrate is 20~200μm is at the pitch P2 50 to 500 [mu] m a substrate 2b, are opposed to the upper transparent electrode 3a _X and the lower transparent electrode 3b _X, and the upper transparent electrode 3a and the _X stripes and the lower transparent electrode 3b _X stripes are orthogonal, they in the x-direction, y It is provided so that a matrix of directions is formed.

Each of the upper transparent electrodes 3a _X is disposed at opposite ends of a plurality of upper transparent electrodes 3a _X formed in a stripe shape.
Electrode terminals 5a to connect together the ends of the same side are provided by printing or the like of Ag paste, also, similarly to the opposite ends of the lower transparent electrode 3b _X, the electrode terminal 5b
Is provided.

A sealing material 7 is provided at the peripheral edge of the upper transparent substrate 2a and the lower transparent substrate 2b such that the gap L3 between the upper transparent substrate 2a and the lower transparent substrate 2b is 50 to 200 μm. . Also, on the lower transparent substrate 2b,
At the position where the upper transparent electrode 3a _X or the lower transparent electrode 3b _X is not formed, preferably, the central portion of the rectangular area A divided by the upper transparent electrode 3a _X and the lower transparent electrode 3b _X in the plan view of FIG. Has a sectional area of 25 to 10000 μm ² and a height of 1.
The spacer 4 of about 0 to 50 μm is provided. The spacers 4 are provided at substantially equal intervals in each of the x direction and the y direction at a pitch P3 of about 0.5 to 5 mm.

The opposite electrode terminal 5a of the upper transparent electrode 3a
8, a predetermined voltage is applied from the power supply 8 as in the conventional touch panel 1 of FIG.
_A predetermined voltage is applied between the electrode terminals 5b facing _X by switching the connection of the power supply 8. In FIG. 1, the x-direction and the direction of the potential gradient of the lower transparent electrode 3b _X, an example is shown in which the y-direction and the direction of the potential gradient of the upper transparent electrode 3a _X, the x-direction upper transparent the direction of the potential gradient of the electrode 3a _X, a y-direction may be the direction of the potential gradient of the lower transparent electrode 3b _X.

The upper transparent substrate 2a of the touch panel 1A
FIG. 8 shows the detection of the pressed part when the pen is pressed with a pen, a finger, or the like.
Of the conventional touch panel. That is, for the y-direction, the potential gradient with the slope almost the same results in each of the plurality of upper transparent electrodes 3a _X disposed in a stripe pattern. In pressed portion, the lower transparent electrode 3b _X to the upper transparent electrode 3a _X is in contact, the potential corresponding to the position of y-direction is detected by the voltage detector V which is connected to the lower transparent electrode 3b _X, A- The y coordinate is determined by the D conversion.
Similarly, x-coordinate of the pressed portion, when a voltage is applied between the electrode terminals 5b of opposing lower transparent electrode 3b _X, pressed portion in the x direction of the upper transparent electrode 3a _X a potential corresponding to the position
It is determined by detecting with a voltage detector connected to.

As a method of manufacturing the touch panel 1A, for example, first, an ITO film is formed on an upper transparent substrate 2a made of a film substrate such as PET, and the upper transparent electrode is patterned by using a photolithography method in a stripe shape. 3a _X is formed. Next, electrode terminals 5a are provided at both ends of the upper transparent electrode 3a _X patterned in a stripe shape.
It was formed by printing such as Ag paste, so that the ends of the same side of the stripe-shaped upper transparent electrode 3a _X by the electrode terminals 5a are connected to each other.

[0021] Similarly, in the lower transparent substrate 2b made of a glass substrate to form a lower transparent electrode 3b _X stripe made of an ITO film to form an electrode terminal 5b by printing an Ag paste.

Next, a spacer 4 is formed on the lower transparent substrate 2b by screen printing or by forming a resin coating film and patterning it by a photolithography method.

Thereafter, the stripe-shaped upper transparent electrode 3a is formed.
And _X and striped lower transparent electrode 3b _X are opposed, upper transparent substrate 2a and the lower transparent substrate as both stripe electrodes 3a _X, x direction 3b _X, y-direction of the matrix is formed 2b are arranged and fixed with the sealing material 7.

Although the configuration of the touch panel 1A shown in FIG. 1 has been described above, the touch panel of the present invention can take various forms. For example, the spacer 4 may be provided on only one of the upper transparent substrate 2a and the lower transparent substrate 2, or may be provided on both. Also, the upper transparent substrate 2a
As a constituent material of the lower transparent substrate 2b, a film substrate may be used for both.

The touch panel of the present invention can be used by being provided on the front of various liquid crystal display panels. For example,
FIG. 2 is a cross-sectional view of a liquid crystal display device 30A in which the touch panel of FIG. 1 is provided on the front surface of a reflective liquid crystal display panel via an air layer 16. This liquid crystal display panel 10a has, like the liquid crystal display panel of the conventional liquid crystal display device with a touch panel shown in FIG. 10, a first substrate 11a and a second substrate 11b facing each other, and a first substrate 11a and a second substrate 11a The liquid crystal layer 12 sandwiched between the substrates 11b of the first substrate 1
Transparent electrodes 18a and 18b are formed on opposing surfaces of 1a and the second substrate 11b, respectively. Outside the liquid crystal display panel 10a, a retardation plate 13 and a polarizing plate 14a are sequentially laminated on a first substrate 11a, and the second substrate 11
The polarizing plate 14b and the reflecting plate 15 are sequentially laminated on the substrate b.

The touch panel of the present invention can be provided not only on the front surface of the liquid crystal display device. For example, as in a liquid crystal display device 30B shown in FIG.
However, the first substrate 11a on which the transparent electrode 18 is formed and the second substrate 11b on which the reflective electrode 19 is formed are overlapped with the transparent electrode 18 and the reflective electrode 19 facing each other, and between the two substrates. An ECB type, comprising a liquid crystal layer 12 sandwiched therebetween, in which two retardation plates 13b, 13a and one polarizing plate 14 are sequentially laminated on the front surface of a first substrate, that is, the front surface of a liquid crystal display panel 10b. In providing the same touch panel 1A as described above in the reflective liquid crystal display device 30B, the touch panel 1A may be provided on the front surface of the polarizing plate 14, but is provided between the polarizing plate 14 and the retardation plate 13a as shown in the figure. Alternatively, it may be provided between the two phase difference plates 13a and 13b, or may be provided between the phase difference plate 13b and the first substrate 11a of the liquid crystal display panel 10b. However, in this case, it is preferable to use a transparent film made of an optically isotropic cycloolefin-based resin, a polycarbonate resin, or the like as the film substrate constituting the touch panel 1A.
By using an optically isotropic transparent film, it is possible to prevent the touch panel from affecting the phase difference of an image formed by the liquid crystal display device, thereby preventing the image quality from deteriorating.

Further, as one or both of the upper transparent substrate 2a and the lower transparent substrate 2b constituting the touch panel 1A, a first substrate constituting a liquid crystal display panel 10b or a substrate constituting a polarizing plate 14, phase difference plates 13a, 13b. The substrate 11a may be used. For example, as in a liquid crystal display device with a touch panel 30C shown in FIG. 4, the first substrate 11 of the liquid crystal display panel 10b is used as the lower transparent substrate 2b of the touch panel 1A.
a and the touch panel 1 separately from the first substrate 11a.
The provision of the lower transparent substrate 2b of A may be omitted.
This makes it possible to manufacture the liquid crystal display device thinly and at low cost.

In addition, the configuration of the touch panel according to the present invention in which the upper transparent electrode and the lower transparent electrode facing each other are formed in a stripe shape and arranged so as to form a matrix, the structure of the liquid crystal panel is used as the upper transparent substrate. By using the first substrate and using the second substrate of the liquid crystal panel as the lower transparent substrate, it can also be incorporated in the liquid crystal panel.

For example, like the liquid crystal device 30D with a built-in touch switch shown in FIG. 5, the first substrate 11a and the second substrate 11b and the first substrate 11a and the second substrate 11b opposed to each other.
Liquid crystal display panel 1 comprising a liquid crystal layer 12 sandwiched between
The touch panel according to the present invention can be incorporated in a liquid crystal display device provided with Oc. On the surface of the second substrate 11b facing the first substrate 11a, in addition to the reflective electrode 19 and the transparent electrode 18 responsible for image formation, a lower transparent electrode 3b _X formed in a stripe shape for a touch switch. Is formed. Wherein each lower transparent electrode 3b _X is formed in the non-display area of the liquid crystal panel, an end portion of the same side of the lower transparent electrode 3b _X is connected with each other electrode terminal (not shown) I have. A cell gap L between the first substrate 11a and the second substrate 11b is provided on the surface facing the second substrate 11b.
4 is maintained at 2 to 10 μm, a columnar spacer 20 for cell gap adjustment is provided, and further, an in-cell spacer 21 for a touch panel is provided. Cells in the spacer 21 for a touch panel, as shown, are formed on the base of the lower transparent electrode 3b _X, the height, the cell gap L5 in forming portion of the touch panel cell in the spacer 21 is 0.2 ２2 μm.

On the other hand, the second substrate 11 of the first substrate 11a
The opposing surface for b, and other transparent electrode 18 serving as pixels forming the upper transparent electrode 3a _X formed in a stripe-like touch switch is formed. Wherein each lower transparent electrode 3b _X is formed in the non-display area of the liquid crystal panel, an end portion of the same side of the lower transparent electrode 3b _X is connected with each other electrode terminal (not shown) I have. Then, orthogonal to the upper transparent electrode 3a _X and the lower transparent electrode 3b _X that are formed in a stripe shape, is provided so as matrix is formed in both the stripe.

The liquid crystal device 30D with a built-in touch switch is connected to the front surface of the liquid crystal panel 10c (that is, the first substrate 11a).
Side), the spacer 2 in the touch panel cell
1 and the upper transparent electrode 3a _X of the first substrate 11a
When the lower transparent electrode 3b _X of the second substrate 11b is in contact. Therefore, similarly to the touch panel 1A described above, the output voltage corresponding to the position of the pressed portion in the x direction or the y direction is detected, and the z coordinate and the y coordinate of the pressed portion are obtained.

In the present invention, the liquid crystal device with a built-in touch switch in which a touch switch is incorporated in a liquid crystal panel is not limited to the embodiment shown in FIG. For example, in the touch switch built-in liquid crystal device 30D of FIG. 5, a retardation plate, a polarizing plate, and the like can be provided outside the liquid crystal panel 10c as needed.

The liquid crystal display panel provided with the touch switch panel according to the present invention is provided with information from a touch panel on the front of the liquid crystal display panel 10, such as a portable telephone 35 shown in FIG. 6 or a portable terminal 36 shown in FIG. This is particularly useful as a liquid crystal display device with a touch panel of a portable information terminal that performs input of the information. Therefore, the present invention also includes a portable information terminal having a liquid crystal display panel provided with the touch panel of the present invention.

[0034]

According to the present invention, the transmittance of the analog resistive touch panel can be improved. Also,
According to the liquid crystal display device provided with the touch panel of the present invention,
The screen can be brightened with high image quality.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram (FIG. 1A), a cross-sectional view (FIG. 1B), and a partially enlarged plan view (FIG. 1C) of a resistive touch panel according to the present invention.

FIG. 2 is a cross-sectional view of the liquid crystal display device with a touch panel of the present invention.

FIG. 3 is a cross-sectional view of another embodiment of the liquid crystal display device with a touch panel of the present invention.

FIG. 4 is a cross-sectional view of another embodiment of the liquid crystal display device with a touch panel of the present invention.

5A and 5B are a plan view (FIG. 5A) and a cross-sectional view (FIG. 5B) of the liquid crystal device with a built-in touch switch of the present invention.

FIG. 6 is a general perspective view of a mobile phone.

FIG. 7 is a general perspective view of a portable terminal.

8A and 8B are a schematic configuration diagram (FIG. 8A) and a cross-sectional view (FIG. 8B) of a conventional resistive touch panel.

FIG. 9 is a cross-sectional view of a conventional resistive touch panel when pressed.

FIG. 10 is a cross-sectional view of a liquid crystal display device in which a conventional resistive touch panel is provided on a front surface of a liquid crystal display panel.

[Explanation of symbols]

1A ... resistive touch panel of the present invention, 2a ... upper transparent substrate, 2b ... lower transparent substrate, 3a ... upper transparent electrode, 3a _X ... striped upper transparent electrode, 3b ... lower transparent electrode, 3b _X ... stripe Shaped lower transparent electrode,
Reference numeral 4: spacer, 5a, 5b: electrode terminal, 8: power supply, 10, 10a, 10b, 10c: liquid crystal display panel, 11a: first substrate, 11b: second substrate, 1
2: liquid crystal layer, 13, 13a, 13b: retardation plate, 1
4, 14a, 14b: polarizing plate, 15: reflecting plate, 16
... air layer, 18, 18a, 18b ... transparent electrode, 19
... Reflecting electrode, 20 ... Column spacer for cell gap adjustment, 21 ... In-cell spacer for touch panel, 30
A, 30B, 30C: liquid crystal display device with touch panel,
30D: liquid crystal display with built-in touch panel, 35: mobile phone, 36: terminal

Continuation of the front page F term (reference) 2H089 HA18 LA09 QA16 TA02 TA14 TA15 2H092 GA62 NA01 NA29 RA10 5B087 AA02 CC12 CC36 5G435 AA00 BB12 EE19 KK05 LL07

Claims (8)

[Claims] An upper transparent substrate and a lower transparent substrate facing each other;
Transparent electrodes provided in stripes on the opposing surfaces of the upper transparent substrate and the lower transparent substrate, electrode terminals provided to connect the ends of the transparent electrodes on the same side to each other, and the upper transparent substrate and the lower transparent substrate An analog type resistive film comprising a spacer provided between substrates, wherein these transparent electrodes are arranged such that a matrix is formed by transparent electrodes provided in stripes on the upper transparent substrate and the lower transparent substrate, respectively. Type touch panel. 2. The touch panel according to claim 1, wherein at least one of the upper transparent substrate and the lower transparent substrate is made of an optically isotropic transparent film. 3. A transparent electrode is formed in a stripe shape on each of opposing surfaces of an upper transparent substrate and a lower transparent substrate to be opposed to each other, and electrode terminals are formed so that ends on the same side of the transparent electrodes are connected to each other. A spacer is formed on at least one of the opposing surfaces of the upper transparent substrate and the lower transparent substrate, and the upper transparent substrate and the lower transparent substrate are formed into stripes on both substrates so that a matrix is formed by transparent electrodes. A method for manufacturing an analog resistive touch panel, which is opposed to and fixed to a touch panel. 4. A liquid crystal display panel comprising a first substrate and a second substrate facing each other, a liquid crystal layer sandwiched between the first substrate and the second substrate, and a first liquid crystal display panel. A liquid crystal display device with a touch panel comprising a touch panel provided on a front surface of a substrate, wherein the touch panel is provided in a stripe shape on each of opposing upper and lower transparent substrates, and on opposing surfaces of the upper and lower transparent substrates. Comprising a transparent electrode, an electrode terminal provided to connect the same side ends of the transparent electrode to each other, and a spacer provided between the upper transparent substrate and the lower transparent substrate. A liquid crystal display with a touch panel, which is an analog resistive touch panel in which these transparent electrodes are arranged such that a matrix is formed by transparent electrodes provided in stripes on a transparent substrate, respectively. Indicating device. 5. The liquid crystal display device according to claim 4, wherein the first substrate of the liquid crystal display panel is used as the lower transparent substrate of the touch panel. 6. A phase difference plate or a polarizing plate is provided on a front surface of the first substrate, and a constituent substrate of the phase difference plate or the polarizing plate is used as an upper transparent substrate or a lower transparent substrate of the touch panel. The liquid crystal display device as described in the above. 7. A liquid crystal display device comprising: a first substrate and a second substrate facing each other; and a liquid crystal display panel including a liquid crystal layer sandwiched between the first substrate and the second substrate. First
Transparent electrodes provided in stripes on the opposing surfaces of the first substrate and the second substrate, electrode terminals provided to connect the ends of the transparent electrodes on the same side to each other, and stripes on the first substrate Between the first substrate and the second substrate at the formation position of the touch panel cell spacer formed on the base of the transparent electrode or the stripe-shaped transparent electrode on the second substrate. Has a cell gap of 0.2 to 2 μm, the cell gap between the first substrate and the second substrate at the position where the in-cell spacer for the touch panel is not formed is 2 to 10 μm, and the first substrate and the second substrate have the same cell gap.
A liquid crystal device with a built-in touch switch provided with a resistive touch switch in which these transparent electrodes are arranged such that a matrix is formed by transparent electrodes provided in stripes on the substrate. 8. A portable information terminal having a liquid crystal display panel provided with a touch panel, wherein the touch panel has a stripe shape on an opposing upper transparent substrate and a lower transparent substrate and an opposing surface of the upper transparent substrate and a lower transparent substrate. The transparent electrode provided in the, the electrode terminal provided to connect the ends of the same side of the transparent electrode to each other, and a spacer provided between the upper transparent substrate and the lower transparent substrate, the upper transparent substrate and A portable information terminal which is an analog resistive touch panel in which a transparent electrode provided in a stripe shape on a lower transparent substrate forms a matrix with these transparent electrodes.