JP2000284246A - Production of liquid crystal display device and inspection method as well as liquid crystal display device and electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a process capable of producing a liquid crystal display device having terminal electrodes formed of metal allowing the easy formation of insulative oxidized films on the surface by inspecting the lighting thereof with high reliability. SOLUTION: The process for producing the liquid crystal display device 10 has a stage for forming one liquid crystal panel substrate 30 having the terminal electrodes 40 respective corresponding to electrodes for display and interconnecting electrodes 44 for connecting the parts near the ends of the terminal electrodes 40 to each other, a stage for forming the liquid crystal display device 10 by sealing liquid crystals between the one liquid crystal panel substrate 30 and another liquid crystal panel substrate 20, a stage for pressing the pointed end of a probe 81 of an inspection device 80 to the interconnecting electrodes 44 or the terminal electrodes 40 and executing the lighting inspection of the liquid crystal display device 10 and a stage for cutting the interconnecting electrodes 44 from the respective terminal electrodes 40 relating to the liquid crystal display device 10 with which the adequate operation is checked in the lighting inspection stage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing and inspecting a liquid crystal display device, a liquid crystal display device, and electronic equipment.

[0002]

2. Description of the Related Art In a reflective or transflective liquid crystal display device, a display electrode of a rear liquid crystal panel substrate of two liquid crystal panel substrates is made of a reflective material such as aluminum. In many cases, the display electrode is formed of a metal having a high efficiency so that the display electrode also functions as a reflection plate. In such a liquid crystal display device, the terminal electrodes formed on the liquid crystal panel substrate are also generally formed of a metal such as aluminum used for the display electrode of the liquid crystal panel substrate on the rear side.

However, when a terminal electrode is formed of aluminum, the surface of the aluminum is oxidized in air and is covered with an insulating aluminum oxide film. Poor contact often occurs in connection made to the electrodes, for example, connection by a rubber connector. The connection to the terminal electrode by the rubber connector
Since it can be quickly connected to a large number of terminal electrodes, it is also used for lighting inspection of liquid crystal display devices. But,
When the terminal electrode is formed of a metal having a property of being covered with an insulating oxide film, such as aluminum, there is a problem that such a contact failure lowers the reliability of the lighting inspection.

[0004] The present invention has been made in view of the above points, and an object of the present invention is to provide a liquid crystal display device having a terminal electrode formed of a metal on which an insulating oxide film is easily formed on the surface. An object of the present invention is to provide a liquid crystal display device manufacturing method and an inspection method, a liquid crystal display device, and an electronic device that can be manufactured by performing a lighting inspection with high reliability.

[0005]

(1) In a method of manufacturing a liquid crystal display device according to the present invention, a liquid crystal display is formed by enclosing liquid crystal between a pair of liquid crystal panel substrates having display electrodes on the inner surface side. A method of manufacturing a device, the method comprising: forming one of the liquid crystal panel substrates including terminal electrodes respectively corresponding to the display electrodes, and an interconnect electrode for connecting the vicinity of an end of the terminal electrode to each other; A step of forming a liquid crystal display device by enclosing liquid crystal between one liquid crystal panel substrate and the other liquid crystal panel substrate, and pressing a tip of one inspection terminal of the inspection device against the interconnection electrode or the terminal electrode. And performing a lighting inspection of the liquid crystal display device, and disconnecting the interconnect electrode from each terminal electrode for the liquid crystal display device whose proper operation has been confirmed in the lighting inspection process. It is characterized by that.

In the method of manufacturing a liquid crystal display device according to the present invention, an inspection device is connected to an interconnection electrode for connecting terminal electrodes formed corresponding to each display electrode or any of the terminal electrodes. Of the inspection terminal is pressed, a lighting inspection of the liquid crystal display device is performed, and the liquid crystal display device whose proper operation is confirmed is advanced to the next manufacturing process. Therefore, even when the terminal electrode and the interconnection electrode are covered with an insulating thin film, the inspection terminal is electrically connected to the interconnection electrode by breaking the insulating thin film by the tip of the inspection terminal. Since the device is connected to each terminal electrode via the interconnecting electrode, a lighting test of the liquid crystal display device can be performed with high reliability, and a liquid crystal display device that operates normally can be accurately selected and manufactured. Also,
Since the terminal electrodes are connected to each other by the interconnecting electrodes, there is no need to press the inspection terminal against each of the many terminal electrodes to perform the lighting test, and the lighting test can be performed quickly.

(2) In the method for manufacturing a liquid crystal display device according to the present invention, the other liquid crystal panel substrate includes terminal electrodes respectively corresponding to the display electrodes, and in the lighting inspection step, The other inspection terminal is connected to a terminal electrode of the other liquid crystal panel substrate via a rubber connector.

According to the present invention, since the connection to the terminal electrode of the other liquid crystal panel substrate is made via the rubber connector, the inspection device is quickly connected to the plurality of terminal electrodes to inspect the liquid crystal panel device. be able to.

(3) The method of manufacturing a liquid crystal display device according to the present invention is characterized in that the cutting in the cutting step is performed using a laser.

(4) In the method of manufacturing a liquid crystal display device according to the present invention, the cutting in the cutting step is performed by removing a portion of the liquid crystal panel substrate on which the interconnect electrodes are formed.

(5) A method of manufacturing a liquid crystal display device according to the present invention is characterized in that the terminal electrodes of the one liquid crystal panel substrate are formed of a metal containing aluminum as a main component.

In the method of manufacturing a liquid crystal display device according to the present invention, the terminal electrode is made of aluminum and thus is easily covered with an insulating oxide film. The method can be performed with reliability, and a liquid crystal display device that operates normally can be appropriately selected and manufactured.

(6) A liquid crystal display device according to the present invention is manufactured by any one of the manufacturing methods described above.

(7) An electronic apparatus according to the present invention includes the liquid crystal display device as display means.

(8) In the inspection method for a liquid crystal display device according to the present invention, liquid crystal is sealed between a pair of liquid crystal panel substrates having display electrodes on the inner surface side, and one of the liquid crystal panel substrates is A method for inspecting a liquid crystal display device, comprising: a terminal electrode corresponding to each of the display electrodes; and an interconnecting electrode for connecting the vicinity of an end of the terminal electrode to each other. To the interconnecting electrodes of the liquid crystal display device, and performing a lighting test of the liquid crystal display device using the inspection device.

In the inspection method for a liquid crystal display device according to the present invention, the tip of the inspection terminal of the inspection device is connected to the interconnection electrode connecting the terminal electrodes formed corresponding to the respective display electrodes. Pressing is performed, and a lighting inspection of the liquid crystal display device is performed. Therefore, even when the terminal electrode and the interconnection electrode are covered with an insulating thin film, the inspection terminal is electrically connected to the interconnection electrode by breaking the insulating thin film by the tip of the inspection terminal. Since the device is connected to each terminal electrode via the interconnecting electrode, the lighting test of the liquid crystal display device can be performed with high reliability.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below more specifically with reference to the drawings.

1. 1. Liquid Crystal Display FIG. 1 is a schematic sectional view showing a liquid crystal display 10 according to the present embodiment. As shown in FIG.
Has a polarizer 14 and a phase difference plate 16 arranged on the front side (display surface side) of the liquid crystal cell 18, and a light guide plate 64 and a polarizer 60 as an illumination device are arranged on the back side of the liquid crystal cell 18. It is formed. In FIG. 1, although there is a gap between the elements constituting the liquid crystal display device,
This is for the convenience of illustration, and in actuality, the respective elements are in a state of being substantially in close contact with each other.

The phase difference plate 16 is composed of an STN type liquid crystal cell 18.
This is to eliminate coloring caused by the refractive index anisotropy of. The retardation plate 16 is formed as a polymer film formed by stretching a polymer material such as polystyrene or polycarbonate, and has a refractive index anisotropy.

The light guide plate 64 guides the light from the light source 66 into, for example, the inside of the panel fixing frame 68, enters the end face 65, and emits the light toward the liquid crystal cell 18. The light guide plate 64 is formed of, for example, a polyolefin resin that is optically substantially isotropic. The panel fixing frame 68 for guiding the light from the light source 66 to the light guide plate 64 is made of an optically isotropic polyolefin resin, a polycarbonate resin, an acrylic resin, or the like. The light emitted from the light source 66 is transmitted to the light guide plate 6 by the panel fixing frame 68.
The light is guided to the end face 65 of the light guide 4, introduced into the light guide plate 64, and emitted toward the liquid crystal cell 18. In addition, as the light source 52, an LED (light emitting diode), a fluorescent tube, or the like is used.

Next, the liquid crystal cell will be described in detail.

2. 1. Liquid Crystal Cell As shown in a schematic cross-sectional view of a part of FIG. The liquid crystal panel substrate 30 on which the electrodes 32 are formed on one side is separated from the liquid crystal panel substrate 30 by a gap material (not shown) or the like, and the transparent electrode 22 of the liquid crystal panel substrate 20 and the display electrode 32 of the liquid crystal panel substrate 30 are separated. The liquid crystal cell 18 is a simple matrix type liquid crystal cell 18 facing in a lattice. An STN type liquid crystal 50 is filled between the pair of liquid crystal panel substrates 20 and 30, and the liquid crystal panel substrates 20 and 30 are filled.
Are sealed by a sealing material 52. In FIG. 1, a pair of liquid crystal panel substrates 2
Although 0 and 30 are drawn widely apart, this is for clarity of illustration, and in practice, a pair of liquid crystal panel substrates 20 and 30 face each other with a narrow gap of several μm to several tens μm. are doing. In addition, the stripe-shaped transparent electrode 22
Although only a few electrodes 32 are shown in FIG. 1 and the like, they are actually provided as a large number of striped electrodes corresponding to the resolution of matrix display.

Further, on the liquid crystal panel substrate 20 on the display surface side, a color filter 24 is provided on a substrate 21 as schematically shown in FIG. 1, and the surface of the color filter 24 has a flattening film (top). coat) 26. On the surface of the flattening film 26, the stripe-shaped transparent electrode 2 described above is formed.
2 are provided.

On the back side of the liquid crystal panel substrate 30, the display electrode 32 provided with a large number of minute openings (not shown) also serves as a transflective film, and the above-described polarizer 60 on the back side of the liquid crystal cell 18 is provided. Transflective liquid crystal display device 1 used together with light guide plate 64 and capable of displaying even in transmission mode
0 is realized.

As shown in FIG. 1 and FIG. 2 which is a schematic plan view, the liquid crystal panel substrate 30 has a substrate 31, a display electrode 32, a terminal electrode 40, and a terminal electrode formed on the substrate 31. An interconnection electrode 44 is provided to connect the vicinity of the end of the interconnection 40 with each other. Note that the interconnecting electrodes 44 are disconnected from the respective terminal electrodes 40 after an appropriate operation of the liquid crystal display device 10 is confirmed in a lighting test.
In FIG. 2, between the display electrodes 32 and the terminal electrodes 4 are shown.
A dotted line between 0 indicates a large number of display electrodes 3 provided.
2 or the terminal electrode 40 is omitted. Further, the substrate 31 is divided into two regions, a display region 33 facing the liquid crystal and used for liquid crystal display, and an overhang region 36 provided with the terminal electrode 40 and the like.

The display electrode 32 is formed in the display region 33 on the substrate 31 with a metal, for example, a metal containing aluminum as a main component. Therefore, the display electrode 32 is
It has good conductivity and can also act as a reflective film with little coloring and high reflectivity.

The terminal electrode 40 and the interconnection electrode 44
It is also formed of a metal, for example, a metal containing aluminum as a main component, and is provided on at least the overhang region 36 on the substrate 31.

The liquid crystal display device 10 also includes, in addition to the components shown in FIG. 1, an alignment film provided to face the liquid crystal 24, and a drive circuit for driving the transparent electrode 22 and the display electrode 32. ing.

3. Next, a method for manufacturing the liquid crystal display device 10 of the present embodiment, which is shown in a schematic cross-sectional view in FIG. 1, will be described.

First, in the step of forming the liquid crystal panel substrate 20 on the front side, the color filters 24
Is formed, and a flattening film 26 covering the color filter 24 is formed.
Is formed. Then, a transparent conductive layer such as ITO (Indium) is formed on the flattening film 26 by, for example, sputtering.
Tin Oxide) layer is formed. Next, patterning is performed by photolithography and etching, and the transparent electrodes 22 and terminal electrodes (not shown) formed corresponding to the respective transparent electrodes are formed in a predetermined pattern on the flattening film 26. .

In the step of forming the liquid crystal panel substrate 30 on the rear side, for example, an aluminum film is formed on the substrate 31 by, for example, sputtering or vapor deposition. Thereafter, the liquid crystal panel substrate 30 is formed by patterning the aluminum film into the shapes of the display electrode 32, the terminal electrode 40, and the interconnect electrode 44 by photolithography and etching.

Then, each of the liquid crystal panel substrates 20,
In the step of printing an alignment film on the liquid crystal panel substrate 2,
An orientation film (not shown) is printed on the inner surface side of 0, 30 and spacers (not shown) for keeping the distance between the facing orientation films constant are dispersed and arranged on one side of the substrate and fired. I do.
Then, rubbing is performed by rubbing the alignment film with a cloth or the like, so that the alignment film has an alignment property.

Next, in the step of assembling the liquid crystal cell 18,
First, a sealing material 52 is printed around one of the liquid crystal panel substrates 20 and 30. Then, the two liquid crystal panel substrates 20 and 30 are adhered to each other, and the sealing material 52 is cured using heat or ultraviolet rays.

In the next step of injecting the liquid crystal 50, the empty liquid crystal display cell 18 is placed with the injection port (not shown) down.
Place the liquid crystal storage at the bottom of the container away from the liquid crystal in the container, and evacuate the container. After that, the inside of the container is returned to the atmospheric pressure with the filling port in the liquid crystal storage. Then
Due to the pressure difference and the capillary phenomenon, the liquid crystal 50
8 is filled. Then, the injection port is sealed.

Next, the retardation plate 16 and the polarizing plate 14 are attached to the front side of the liquid crystal cell 18. Also, the liquid crystal cell 18
A polarizing plate 60 is attached on the back side of the light guide plate, and a light guide plate 64 is disposed.

In the step of performing the lighting inspection of the liquid crystal display device 10, the tip of one probe (inspection terminal) 81 of the inspection device 80 is connected to the interconnection electrode or the terminal electrode 40, as schematically shown in FIG. To the inspection device 80
Is connected to the terminal electrode 23 of the liquid crystal panel substrate 20 via a rubber connector via a rubber connector.
A lighting inspection is performed.

The rubber connector 66 is shown in FIG.
(A), as shown in a schematic perspective view, an insulating member 67 made of rubber or silicone and having elasticity;
Conductive members 68 made of a metal mainly composed of a body, silver, aluminum or the like are alternately arranged in a zebra shape. FIG. 4B is a bottom view of the rubber connector 66, and the rubber connector 66 has a state in which the insulating members 67 and the conductive members 68 are alternately positioned even at the bottom. In the connection using the rubber connector 66,
Top (top) and bottom (bottom) where pressure is applied
Is a contact surface for electrical connection, and the conductive member 6
The portion 8 comes into contact with the terminal electrode 23 and the like, and electrical connection is obtained. The conductive member 68 is plated with a highly conductive material which is hardly corroded, for example, gold plating, if necessary. The pitch of the conductive members 68 of the rubber connector 66 is the same as that of the terminal electrodes 23 provided on the liquid crystal panel substrate 20.
Much smaller than the pitch. Therefore, the lamination direction of the insulating member 67 and the conductive member 68 in the rubber connector 66 and the terminal electrodes 23 provided on the liquid crystal display panel substrate 20
If the arrangement directions are substantially parallel, the liquid crystal panel substrate 2
The insulating member 67 of the rubber connector 66 is always disposed between the adjacent terminals of the terminal electrode 23 provided at 0, and the terminal electrodes 23 do not short-circuit.

Lastly, in the liquid crystal display device 10 whose proper operation has been confirmed in the above-mentioned lighting test, the interconnecting electrodes 44 are cut off from the respective terminal electrodes 40. This disconnection
For example, this is performed by cutting the liquid crystal panel substrate 30 at a cutting line 38 shown in FIG. 2 using a laser and removing a portion where the interconnecting electrodes 44 are formed.

Through the above steps, the liquid crystal display device 10 of the present embodiment is completed.

In the method of manufacturing the liquid crystal display device 10 according to the present embodiment, the interconnection electrodes 4 connecting the terminal electrodes 40 formed corresponding to the respective display electrodes 32 are connected.
4 or the terminal electrode 40, the probe 81 of the inspection device 80
Of the liquid crystal display device 10 is pressed. Then, the liquid crystal display device 10 whose proper operation has been confirmed is advanced to the next manufacturing process. Therefore, even when the terminal electrode 40 and the interconnect electrode 44 are covered with an insulating thin film (for example, an aluminum oxide film forming the terminal electrode 40 and the interconnect electrode 44), the probe 8
Breaking the insulating thin film by the tip of the interconnection electrode 4
4 is electrically connected to the probe 81 and the inspection device 80
Is connected to each terminal electrode 40 via the interconnecting electrode 44, so that the lighting inspection of the liquid crystal display device 10 can be performed with high reliability, and the liquid crystal display device 10 of normal operation can be properly selected and manufactured. Can be. Further, since the terminal electrodes 40 are connected to each other by the interconnecting electrodes 44, it is not necessary to press the probe 81 against each of the many terminal electrodes 40 to perform the lighting inspection, and to perform the lighting inspection quickly. Can be.

4. Electronic Device Equipped with Liquid Crystal Display Device FIGS. 5A, 5B, and 5C are external views showing examples of electronic devices using the liquid crystal display device 10 of the present embodiment as a display unit. FIG. 5A shows a mobile phone 88 having a liquid crystal display device 10 at the upper front thereof. FIG. 5B shows a wristwatch 92, in which a display unit using the liquid crystal display device 10 is provided at the center of the front of the main body. FIG.
(C) is a portable information device 96, which is a liquid crystal display device 10.
And an input unit 98. These electronic devices are not shown, in addition to the liquid crystal display device 10,
It is configured to include various circuits such as a display information output source, a display information processing circuit, and a clock generation circuit, and a display signal generation unit including a power supply circuit that supplies power to those circuits. For example, in the case of a portable information device, a display image is formed by supplying a display signal generated by a display signal generation unit based on information input from the input unit 98 to the display unit.

The electronic devices into which the liquid crystal display device 10 of the present embodiment is incorporated are not limited to portable telephones, watches, and portable information devices, but may be notebook computers, electronic notebooks, pagers, calculators, POS terminals, IC cards, and the like. And various electronic devices such as a mini-disc player.

5. Modifications The present invention is not limited to the above-described embodiment,
Various modifications can be made within the scope of the present invention or within the equivalent scope of the claims.

5.1 In the foregoing, the interconnection electrode 4
The example in which the portion of the liquid crystal panel substrate 30 provided with the substrate 4 is removed together with the substrate 31 and the interconnection electrode is cut from each terminal electrode is shown. However, a part of the interconnect electrode 44 or the terminal electrode 40 is removed by a laser or the like, and the connection between the interconnect electrode 44 and the terminal electrode 40 is cut off. It may be cut from.

5.2 In the above, the display electrode 32
The example in which the transmissive reflection type liquid crystal display device 10 is formed by providing an opening 35 in the upper layer film 34 so as to allow transmission of a part of light. However, even if the display electrode 32 is formed to have a sufficiently small thickness (for example, 10 to 30 nm when formed of aluminum), the display electrode 32 reflects a part of light and transmits a part of the light. Therefore, when the display electrode 32 is formed with such a film thickness, a transflective liquid crystal display device can be formed without providing an opening in the display electrode 32 as in the above-described example.

5.3 In the above description, an example is shown in which the retardation plate 16 is used in order to eliminate coloring caused by the optical anisotropy of the liquid crystal cell 18 using STN type liquid crystal. When such coloring does not pose a problem, or when a liquid crystal cell using a liquid crystal with a small optical anisotropy, for example, a TN type liquid crystal, is used, the retardation plate 16 is not necessarily required.

5.4 In the above description, an example in which the color filter 24 and the flattening film 26 covering the color filter 24 are provided has been described. However, in the case of a monochrome liquid crystal display device, the color filter 24 and the flattening film 26 are provided. It is not necessary.

5.5 In the above, the liquid crystal panel substrate 30 on the back side is provided with the display electrode 32 serving also as a transflective film.
The example of the transflective liquid crystal display device 10 which is used together with the polarizer 60 and the light guide plate 64 on the back side of the liquid crystal cell 18 and can display even in the transmission mode is shown. However, it is also possible to form a reflective liquid crystal display device by forming the display electrode 32 to also serve as a reflective film that does not transmit light. In this case, the polarizer 60 and the light guide plate 64 on the back side of the liquid crystal cell 18 are not required.

5.6 In the above, an example of a simple matrix liquid crystal display device using STN type liquid crystal has been described.
As a liquid crystal display device, speaking of a driving method, a static drive liquid crystal display device, a three-terminal thin film transistor element represented by a TFT (Thin Film Transistor) using a switching element or a TFD (Thin Film Diode)
, An active matrix liquid crystal display device using a two-terminal non-linear element represented by
Various types of liquid crystal display devices such as a liquid crystal display device of a liquid crystal display type, a guest host type, a phase transition type, and a ferroelectric type can be used.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view illustrating a liquid crystal display device according to an embodiment.

FIG. 2 is a schematic plan view showing a liquid crystal panel substrate on the back side of the embodiment.

FIG. 3 is a schematic diagram showing a state in which a lighting inspection of the liquid crystal display device of the embodiment is being performed.

FIG. 4A is a schematic perspective view of a rubber connector, and FIG. 4B is a schematic bottom view of the rubber connector.

FIGS. 5A and 5B are external views showing an electronic device using the liquid crystal display device of the embodiment, wherein FIG. 5A is a mobile phone, FIG. 5B is a wristwatch, and FIG. 5C is a mobile information device.

[Explanation of symbols]

 Reference Signs List 10 liquid crystal display device 18 liquid crystal cell 20 liquid crystal panel substrate (display surface side) 22 transparent electrode 30 liquid crystal panel substrate (rear side) 31 substrate 32 display electrode 38 cutting line 40 terminal electrode 44 interconnection electrode 50 liquid crystal 66 rubber connector 80 inspection Device 81 Probe (inspection terminal) 83 Inspection terminal (other) 88 Cellular phone (electronic device) 92 Watch (electronic device) 94 Portable information device (electronic device)

Continued on the front page F term (reference) 2H088 FA07 FA11 HA02 HA05 HA08 HA12 HA15 HA28 JA05 JA06 JA13 JA14 JA17 KA06 MA20 5C094 AA42 AA43 BA43 CA19 DB02 DB04 EA03 EA04 EA10 FA01 GB01 5G435 AA17 AA19 BB12 CC09 KK05 KK10

Claims (8)

[Claims] 1. A method for manufacturing a liquid crystal display device in which liquid crystal is sealed between a pair of liquid crystal panel substrates provided with display electrodes on an inner surface side, comprising: a terminal electrode corresponding to each of the display electrodes; Forming one of the liquid crystal panel substrates, comprising: an interconnect electrode for connecting the vicinity of an end of the terminal electrode to each other; and sealing liquid crystal between the one liquid crystal panel substrate and the other liquid crystal panel substrate. Forming a liquid crystal display device by performing a lighting inspection of the liquid crystal display device by pressing a tip of one inspection terminal of the inspection device against the interconnecting electrode or the terminal electrode; And c. Disconnecting the interconnect electrode from each terminal electrode for the liquid crystal display device whose proper operation has been confirmed. 2. The liquid crystal panel substrate according to claim 1, wherein the other liquid crystal panel substrate has terminal electrodes respectively corresponding to the display electrodes, and in the lighting inspection step, the other inspection terminal of the inspection device is a rubber connector. Characterized by being connected to a terminal electrode of the other liquid crystal panel substrate via a liquid crystal panel. 3. The method of manufacturing a liquid crystal display device according to claim 1, wherein the cutting in the cutting step is performed using a laser. 4. The liquid crystal display according to claim 1, wherein the cutting in the cutting step is performed by removing a portion of the liquid crystal panel substrate on which the interconnect electrodes are formed. Device manufacturing method. 5. The liquid crystal display device according to claim 1, wherein the terminal electrode of the one liquid crystal panel substrate is formed of a metal containing aluminum as a main component. Method. 6. A liquid crystal display device manufactured by the manufacturing method according to claim 1. Description: 7. An electronic apparatus comprising the liquid crystal display device according to claim 6 as display means. 8. A liquid crystal is sealed and formed between a pair of liquid crystal panel substrates provided with display electrodes on the inner surface side, and one of the liquid crystal panel substrates has terminal electrodes respectively corresponding to the display electrodes, and A method for inspecting a liquid crystal display device, comprising: an interconnection electrode for connecting the vicinity of an end of a terminal electrode to each other, wherein the tip of one inspection terminal of the inspection device is connected to the interconnection electrode or the terminal of the liquid crystal display device. A method for inspecting a liquid crystal display device, comprising: a step of pressing against an electrode; and a step of performing a lighting inspection of the liquid crystal display device using the inspection device.