JP2000275593A - Production of liquid crystal device and jig for liquid crystal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a process for producing a liquid crystal device capable of improving productivity and lessening the cracking, chipping, etc., of substrates and a jig for production of the liquid crystal device. SOLUTION: In a stage for packaging TABs 5 and FPCs 17, plural liquid crystal display elements 1 are collectively transported by using the jig 20 and further, these liquid crystal display elements 1 are held collected by using the jig 20 and are subjected to packaging, washing and inspecting of the TABs 5 and the FPCs 17. As a result, the labor for transporting between the stages is lessened and further, the workability in the respective stages is improved, by which the productivity may be improved. Since the respective liquid crystal display elements 1 are clamped by the jig 20, the direct collision of the glass substrates against cradles and other objects does not occur any more and the cracking, chipping, etc., of the glass substrates may be lessened as far as possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for manufacturing a liquid crystal device and a jig for manufacturing a liquid crystal device. In particular, for example, TAB (Tape Automated) is connected to the input terminal of each liquid crystal display panel on a rectangular glass substrate having a plurality of liquid crystal display panels.
The present invention relates to a manufacturing method for mounting a plurality of electronic parts such as a bonding or TCP / Tape Carrier Package) board and an FPC (Flexible Printed Circuit) board together and a jig for manufacturing a liquid crystal device suitable for carrying out such a manufacturing method. .

[0002]

2. Description of the Related Art Generally, in a liquid crystal display device, a semiconductor device (driver IC) for driving a panel is mounted on a liquid crystal display panel having a liquid crystal sandwiched between a pair of glass substrates.
hip OnGlass) is mounted, and the structure is conductively connected to an FPC board or the like. Alternatively, the liquid crystal display panel has a structure in which a circuit board on which a semiconductor device (driver IC) for driving the panel is mounted is conductively connected. The circuit board is, for example, a TAB (or so-called TCP) board on which a driver IC or the like is mounted or an FPC.
A liquid crystal display panel and a circuit board of a device main body on which the liquid crystal display panel is mounted are connected via these TAB substrates or FPC substrates.

Conventionally, a TAB substrate or F
In the step of connecting the PC board, for example, first, the input terminals of the liquid crystal display panel are washed, and then the liquid crystal display panel is placed on the receiving stand, and the input terminals provided on the overhang portion of one of the glass substrates of the liquid crystal display panel. ACF (Anisotropic Co.)
nductive Film: an anisotropic conductive film). afterwards,
Input terminal of the panel and TAB or FP with ACF sandwiched
The output terminal formed on C is positioned and thermocompression-bonded with a pressing tool. When a TAB board is connected to the liquid crystal display panel, an FPC board may be further connected to an input terminal of the TAB board by soldering or the like as necessary. After the TAB substrate and / or the FPC substrate are connected to the liquid crystal display panel, a lighting test is performed on each liquid crystal display panel.

[0004]

However, in the above-described manufacturing process, the liquid crystal display elements are washed one by one, placed on a receiving table, and mounted on a TAB substrate and / or an FPC substrate, and then turned on. In the inspection process for performing inspections and the like, there is a problem in that the handling is performed one by one, which is troublesome and productivity is low.

[0005] In particular, since the glass substrate constituting the liquid crystal display panel is liable to be broken or chipped, it is necessary to pay close attention to its handling. However, after the liquid crystal display panel is placed on the receiving stand as described above, There is a problem that such cracking or chipping is apt to occur when the liquid crystal display panel is positioned against a predetermined portion or when it is transported between processes.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is possible to reduce the labor of transportation between processes and to improve the workability in each process, thereby improving the productivity. It is an object of the present invention to provide a method for manufacturing a liquid crystal device that can be used and a jig for manufacturing a liquid crystal device suitable for implementing such a manufacturing method.

Another object of the present invention is to provide a method of manufacturing a liquid crystal device capable of minimizing breakage or chipping of a substrate and a jig for manufacturing a liquid crystal device suitable for carrying out such a manufacturing method. is there.

[0008]

A method of manufacturing a liquid crystal device according to the present invention is a method of manufacturing a liquid crystal device in which components are mounted on a liquid crystal panel having liquid crystal sandwiched between a pair of substrates.
(A) a step of holding a plurality of the liquid crystal panels together using a jig while exposing at least each mounting position where the component is mounted; and (b) a step of holding each of the liquid crystal panels held by the jig. A process of mounting the component at the mounting position,
(C) releasing each liquid crystal element on which the component is mounted from the jig.

According to the configuration of the present invention, a plurality of liquid crystal panels are collectively transported in the step of mounting components,
Furthermore, since a process for component mounting can be executed with these components put together, labor for transportation between processes is reduced, and further, workability in each process is improved, thereby improving productivity. be able to. For example, a plurality of liquid crystal panels can be washed at once, put on a pedestal as they are, connected to a TAB substrate and / or an FPC board, and brought together to an inspection process to perform a lighting inspection. Can be reduced, and workability in each step can be improved. In addition, each liquid crystal panel is gripped by the jig and protected by the jig itself, and indirectly by using the jig as a reference for alignment instead of directly using the liquid crystal panel as a reference for alignment. Positioning is possible, and it is possible to prevent the substrate itself from directly touching the cradle or other objects in each process, thereby minimizing cracking or chipping of the substrate.

Therefore, the method for manufacturing a liquid crystal device according to the present invention comprises:
It is preferable that the method further includes a step of cleaning at least a mounting position of each liquid crystal panel held by the jig before the step (b). Further, in the method for manufacturing a liquid crystal device according to the present invention, before the step (b),
It is preferable that the method further includes a step of adjusting the mounting position of each liquid crystal panel gripped by the jig by performing the alignment of the jig. In the method of manufacturing a liquid crystal device according to the present invention, it is preferable that a positioning projection provided on the jig is inserted into a predetermined portion to perform positioning.

The method of manufacturing a liquid crystal device according to the present invention may include a lighting test of each liquid crystal panel held by the jig via a transparent portion of the jig provided at a position corresponding to a display section of each liquid crystal panel. The method further comprises the step of:

According to this configuration, it is not necessary to remove each liquid crystal panel from the jig in the lighting inspection, so that the productivity can be improved.

According to the method of manufacturing a liquid crystal device of the present invention, the lighting inspection of each liquid crystal panel gripped by the jig is performed through an opening of the jig provided at a position corresponding to a display section of each liquid crystal panel. The method further comprises the step of:

According to this configuration, it is not necessary to remove each liquid crystal panel from the jig in the lighting inspection as in the above, so that the productivity can be improved.

According to the method of manufacturing a liquid crystal device of the present invention, each liquid crystal panel is held by the jig through an opening of the jig provided at a position corresponding to a polarizing plate attaching portion of the liquid crystal panel. And a step of attaching a polarizing plate to the substrate.

According to such a configuration, it is not necessary to remove each liquid crystal panel from the jig in the polarizing plate sticking step as in the above, so that productivity can be improved.

According to the present invention, there is provided a jig for manufacturing a liquid crystal device, wherein a first holding plate provided with a plurality of steps for positioning the liquid crystal panel at a plurality of positions so that at least a component mounting position of the liquid crystal panel is exposed from one side. A second gripping plate for gripping a plurality of liquid crystal panels positioned on each step of the first gripping plate between the first gripping plate, and the first gripping plate and the second gripping plate. Fixing means for fixing the two holding plates while holding the plurality of liquid crystal panels.

According to the configuration of the present invention, a plurality of liquid crystal panels can be transported together, and components can be mounted at the same time. Therefore, the present invention of the above-described manufacturing method can be suitably carried out. Productivity can be improved, and cracks and chips in the substrate can be minimized.

A jig for manufacturing a liquid crystal device according to the present invention is characterized in that at least one of the first and second holding plates is provided with a projection for positioning.

Thus, the liquid crystal panel is not directly,
Since the alignment can be performed indirectly by aligning the jig, the present invention of the above-described manufacturing method can be suitably performed, and cracks and chips of the substrate can be minimized.

In the jig for manufacturing a liquid crystal device according to the present invention, a transparent portion is provided at at least one of the first and second gripping plates at a position corresponding to at least a display portion of each of the liquid crystal panels. It is characterized by the following.

This eliminates the necessity of removing each liquid crystal panel from the jig in the lighting inspection, so that the present invention of the above-described manufacturing method can be suitably implemented, and the productivity can be improved.

In the jig for manufacturing a liquid crystal device according to the present invention, an opening is provided at a position corresponding to a display section of each of the liquid crystal panels, at least one of the first and second gripping plates. It is characterized by.

This eliminates the necessity of removing each liquid crystal panel from the jig in the lighting inspection and the polarizing plate attaching process, so that the present invention of the above-described manufacturing method can be suitably carried out, and the productivity can be improved.

[0025]

Embodiments of the present invention will be described below with reference to the drawings.

(Configuration of Liquid Crystal Display) First, an example of a liquid crystal display manufactured by the manufacturing method of the present invention will be described with reference to FIG.

In the liquid crystal display panel 1 shown in FIG. 1, a pair of glass substrates 3 and 4 are adhered to each other by a sealing member 2 formed on an outer periphery thereof with a predetermined gap (not shown), and are surrounded by the sealing member 2. The liquid crystal is sealed in the enclosed area. In this liquid crystal panel, the stepped portion 14 is formed by the gap between the end face due to the thickness of the glass substrate 3 and both glass substrates.
Is formed. One of the substrates 4 projects outside the other substrate 3, and TAB (TC
P) A circuit board mounting area 6 on which the board 5 is mounted is provided.

The translucent electrode 7 formed on the substrate 4
The extension extends to a conductive line (not shown) formed at the overhang portion, and the tip thereof serves as an input terminal 8 in the circuit board mounting area 6. In addition, a light-transmitting electrode 9 formed on the substrate 3 is connected to a conductive line (not shown) formed on an overhang of the substrate 4 via a conductive material (not shown) provided between the substrate 3 and the substrate 4. (Omitted). The ends of these conductive lines serve as input terminals 8 in the circuit board mounting area 6.

On the other hand, a driver IC 10 which is a semiconductor device for driving a liquid crystal display panel is mounted on, for example, approximately the center of one surface (the rear surface in FIG. 1) of the TAB substrate 5, and the liquid crystal display panel 1 is mounted on one end thereof. A plurality of output terminals 11 electrically connected to each of the input terminals 8 are arranged. From the output terminal 11, a signal input from an input terminal 19 also arranged on the TAB substrate 5 and an output signal from the driver IC based on this signal are output.
The TAB substrate 5 is connected to the circuit board mounting area 6 of the liquid crystal display element 1 via an ACF (Anisotropic Conductive Film) 12.

At the other end of the TAB board 5, input terminals 19 connected to the connection terminals 18 arranged at one end of the FPC board 17 are arranged in a row, and the input terminals 19 arranged on the TAB board 5 are arranged in a row. The terminals 19 and the connection terminals 18 arranged on the FPC board 17 are connected by soldering.

Each surface of the pair of substrates 2 and 3 has
Polarizing plates 15 and 16 are arranged respectively.

(Method 1 for Manufacturing Liquid Crystal Display) Next, as one embodiment of the present invention, a method for manufacturing the liquid crystal display shown in FIG. 1 will be described.

FIG. 2 shows a manufacturing process diagram in this embodiment.

In this embodiment, for example, a plurality of (for example, 8 × 8) liquid crystal display panels 1 are provided from a mother substrate (not shown) in which a pair of glass substrates are arranged to face each other via a sealing member.
(See FIG. 1) can be obtained by division.

First, the mother substrate is firstly divided for each row by, for example, dicing to obtain a 1 × 8 so-called strip state (step 201). Such a strip state is divided into a plurality of panel areas via a seal member 2 between a pair of substrates 3 and 4. In the strip-shaped glass substrate, the overhang portions and the input terminals 11 of the plurality of liquid crystal display panels formed on the glass substrate are arranged on the same side of the glass substrate. Liquid crystal injection holes for injecting liquid crystal into respective regions surrounded by the seal members of the plurality of liquid crystal display panels are provided on the same side on the opposite side of the overhang portion of No. 4.

Next, liquid crystal is injected into each region surrounded by the sealing member through the above-described liquid crystal injection hole (step 20).
2). Next, each liquid crystal injection hole is closed with a sealing material to seal a region surrounded by each sealing member (step 203). Next, the pair of substrates 3 and 4 in a strip state is secondarily divided into a plurality of individual panels as single products (step 204). Then, cleaning, component mounting, and lighting inspection are performed (step 205).

Step 205 will be described in further detail.

First, as shown in FIGS. 3A and 3B, a plurality of, for example, four, liquid crystal display panels 1 are collectively grasped using a jig 20 (step 2051). Here, the configuration of the jig 20 will be described later.
The circuit board mounting area 6 is opened or exposed from each of the liquid crystal display panels 1 gripped by 0, and can be connected to the TAB substrate 5 while being gripped by the jig 20.

Next, in the state shown in FIG.
The input terminals 8 in each circuit board mounting area 6 of each liquid crystal display panel 1 exposed from 0 are cleaned (Step 205).
2).

Next, in a state shown in FIG. 3B, a jig 20 for holding the liquid crystal display panel 1 is placed on a receiving stand (not shown).
The ACF 12 is placed on the top and aligned, and the ACF 12 is attached to the circuit board mounting area 6 of each liquid crystal display panel 1 (step 2053).

Next, as shown in FIG. 3C, each input terminal 8 of the substrate 4 and each output terminal of the TAB substrate 5 are placed in the circuit board mounting area 6 of each liquid crystal display panel 1 to which the ACF 12 is attached. The terminals are aligned so that the terminals 11 face each other, and the TAB substrates 5 are respectively mounted thereon. The TAB substrates 5 are pressurized and heated by a pressure bonding head (not shown), and each TAB substrate 5 is displayed on each liquid crystal display. Temporary compression bonding is performed collectively on the circuit board mounting area 6 of the panel 1 (step 2054), and further collective bonding is performed (step 2055).

Next, in the state shown in FIG.
Solder is attached as preliminary soldering to the connection terminals 19 provided at the other end of the substrate 5 (step 2056). Then, as shown in FIG. 3D, the input terminals 19 of the TAB board 5 and the connection terminals 18 of the FPC board 17 are soldered (Step 2057).

Thereafter, in the state shown in FIG. 3D, a lighting test of the liquid crystal display panel 1 is performed (step 2058).
Note that the lighting inspection can be performed on the plurality of liquid crystal display panels 1 collectively on the assumption that a part of the jig 20 is transparent or has an opening as described later.
This can reduce the labor for transportation to the inspection process, the time for setting in the inspection process, and the like. However, the lighting inspection may be performed after each liquid crystal display panel 1 is released from the jig 20.

Then, the TAB substrate 5 and the FPC substrate 17
Is released from the jig 20 (2059), and the polarizing plates 1 are respectively placed on the surfaces of the substrates 3 and 4.
5 and 16 are attached (step 2060).

As described above, according to the method of manufacturing the liquid crystal display device according to this embodiment, the TAB substrate 5 and the F
In the process of mounting the PC board 17, the plurality of liquid crystal display panels 1 are transported together using the jig 20, and the plurality of liquid crystal display panels 1 are further collected together using the jig 20, and the TAB board 5 and the FPC board are kept together. Since the mounting, cleaning, and inspection of the step 17 can be performed, labor for transportation between processes can be reduced, and further, workability in each process can be improved, thereby improving productivity. Further, since each of the liquid crystal display panels 1 is gripped by the jig 20 and protected by the jig itself, and is indirectly aligned by the alignment between the receiving table and the jig 20, the glass substrate 3,
It is possible to prevent the glass substrate 4 from directly hitting the cradle or other objects in each step, and to minimize cracks or chipping of the glass substrates 3 and 4.

In addition, as a process after the lighting inspection process of the step 2058, for example, a region including the step portion 14 excluding the input terminal of the liquid crystal display panel and the conducting line formed in the overhang portion, or a region including only the step portion 14 is provided. In addition, there is a silicon mold coating step of covering with a silicon mold for the purpose of preventing electrolytic corrosion and corrosion, and these steps are also performed in a state where the liquid crystal display panels 1 are collectively gripped using the jig 20 so that handling is performed. Can be simplified.

In this embodiment, the polarizing plate is attached after the inspection process. However, after the polarizing plate is attached to each liquid crystal display panel, an inspection process such as a lighting inspection may be performed.

In this embodiment, the connection terminal 18 of the FPC board 17 is further connected to the input terminal 19 of the TAB board 5.
The input terminal 19 may be energized to perform an inspection process such as a lighting inspection.

(Manufacturing Method 2 of Liquid Crystal Display Device) Next, a driver IC is mounted on the overhanging portion of the liquid crystal display panel by COG.
A method for mounting an FPC board on an input terminal of a liquid crystal display panel will be described.

Next, as another embodiment of the present invention, a driver IC is mounted on the overhanging portion of the liquid crystal display panel by COG mounting.
A method for mounting an FPC board on an input terminal of a liquid crystal display panel will be described.

FIG. 4 shows a manufacturing process diagram in this embodiment.

In this embodiment, for example, a plurality of, for example, 8 × 8 liquid crystal display panels 1 are obtained by division from a mother substrate (not shown) in which a pair of glass substrates are opposed to each other via a sealing member. It has become.

Here, the mother substrate is firstly divided for each row by, for example, dicing to obtain a 1 × 8 so-called strip state (step 401).

Next, liquid crystal is injected into each area surrounded by the seal member through the above-described liquid crystal injection hole (step 40).
2).

Next, each liquid crystal injection hole is closed with a sealing material to seal a region surrounded by each sealing member (step 40).
3). Next, the pair of strips 3 and 4 in a strip state is secondarily divided into a plurality of individual panels as a single product (step 404). Then, cleaning, component mounting, and lighting inspection are performed (step 4).
05).

Step 405 will be described in more detail.

First, as shown in FIGS. 5A and 5B, a plurality of, for example, four liquid crystal display panels 1 are collectively gripped by using a jig 20 (step 4051). Here, each liquid crystal display panel 1 held by the jig 20
From the driver I for COG mounting the driver IC
The C mounting area 6 ′ and the circuit board mounting area 6 for mounting the FPC board are opened or exposed, respectively, and can be connected to the driver IC and the FPC board while being held by the jig 20.

Next, in the state shown in FIG.
Each driver IC of each liquid crystal display panel 1 exposed from 0
The mounting area 6 'and the circuit board mounting area 6 are cleaned (step 4052).

Next, in a state shown in FIG. 5B, a jig 20 for holding the liquid crystal display panel 1 is placed on a receiving stand (not shown).
The liquid crystal display panel 1 is positioned on the driver IC mounting area 6 ′ and the circuit board mounting area 6.
F12 is pasted (step 4053).

Next, as shown in FIG. 5C, a driver IC to which the ACF 12 of each liquid crystal display panel 1 is attached.
The driver IC 81 is mounted on the mounting area 6 ′, and the FPC board 82 is mounted on the circuit board mounting area 6. The driver IC 81 and the FP are mounted by a crimping head (not shown).
By pressing and heating the C substrate 82, each driver IC 81 is placed in each driver IC mounting area 6 ′ of each liquid crystal display panel 1,
The FPC boards 82 are collectively and temporarily press-bonded to the circuit board mounting area 6 of each liquid crystal display panel 1 (step 4054), and further collectively press-bonded (step 4055).

Thereafter, in the state shown in FIG. 5C, the lighting inspection of the liquid crystal display panel 1 is performed (step 4056).

Then, each liquid crystal display panel 1 on which the driver IC 81 and the FPC board 82 are mounted is released from the jig 20 (4057), and the polarizing plates 15 and 16 are adhered to the surfaces of the boards 3 and 4 respectively ( Step 4058).

(Configuration of Liquid Crystal Device Manufacturing Jig) Next, a liquid crystal device manufacturing jig according to an embodiment of the present invention will be described.

FIG. 6 is a perspective view showing the structure of such a jig 20. Two jigs 41 constituting the jig 20 are shown in FIG.
Reference numeral 42 is made of, for example, a bake material, and one side thereof is fixed by, for example, a hinge 43 and can be opened and closed.

The one holding plate 41 is provided with a plurality of, for example, four concave portions 44 on which the liquid crystal display panel 1 is mounted. In each of the recesses 44, an overhang portion (circuit board mounting area 6) of the liquid crystal display panel 1 is arranged on the side opposite to the side to which the hinge 43 is fixed, and is positioned corresponding to the exposed portion 49 of the grip plate 41. I have. Further, each recess 4 is formed in a region corresponding to the exposed portion 49 of the receiving stand (stage or table) in each process.
In the case where an offset (step) corresponding to the thickness of 4 is provided, the exposed portion 49 may not be provided on the holding plate 41 of the jig 20 and includes at least the circuit board mounting area 6 of the liquid crystal display panel 1. The overhang is released so that it can be exposed from the grip plate 41 or from both the grip plates 41 and 42. When each of the liquid crystal display panels 1 is placed in the concave portion 44, the circuit board mounting area 6 is exposed through the release portion, and the liquid crystal display panel 1 is moved to the circuit board mounting area of the TAB substrate 5 or the PPC board. Is possible. The jigs 20 position the respective liquid crystal display panels 1 in the arrangement direction by the respective recesses 44 of the holding plate 41. The positioning of the holding plate 41 in the exposure direction is performed by providing one or a plurality of positioning protrusions 21 on the holding plate 42 in contact with the steps 14 of the liquid crystal display panel 1 corresponding to each liquid crystal display panel 1. The positioning is thereby performed. As another means for positioning in the exposure direction, a protruding portion (not shown) for positioning the end surface 13 of the glass substrate 4 of the liquid crystal display panel 1 at the end or end surface of the exposed portion 49 of the grip plate 41 is provided. Alternatively, means for positioning on the end surface 13 of the glass substrate 4 of the liquid crystal display panel 1 may be provided on a pedestal (stage or table) in each step. In addition, as a means for positioning, not only a form like the concave portion 44 but also a positioning such as a protrusion may be used.

A leaf spring 45 having both sides fixed and the center floating is fixed substantially at the center of the holding plate 41. The leaf spring 45 is held when the holding plate 41 and the holding plate 42 are closed. It penetrates through a through-hole 46 provided substantially at the center of 42, and projects from the surface of the gripping plate 42. Then, as shown in FIG.
By passing the rod-shaped member 47 inside the holding member 5, the holding plate 41 and the holding plate 42 elastically hold the liquid crystal display panel 1. That is, an elastic pressing force acts while the liquid crystal display panel 1 is sandwiched between the holding plate 41 and the holding plate 42, thereby causing a mechanical shock to the liquid crystal display device 1 held by the jig 20. Is becoming weaker.

Here, a plurality of positioning projections 48 are provided on the back side of the gripping plate 41. This projection 48
Are inserted into holes (not shown) provided in a pedestal (stage or table) in each of the above-described steps, for example, whereby the jig 20 is positioned with respect to the pedestal, and The positioning of the liquid crystal display device 1 with respect to the receiving table is performed.

The holding plate 42 is made of, for example, a transparent member. Thereby, the lighting inspection described above is
The operation can be performed while the liquid crystal display panel 1 is held by the jig 20 without being released. As shown in FIG. 8, by providing an opening 61 at a position corresponding to the display section of the liquid crystal display panel 1 on the holding plate 42, a lighting test can be performed while the liquid crystal display element 1 is similarly held by the jig 20. It can be performed. Further, as shown in FIG. 9, by providing a similar opening 71 in the gripping plate 41, not only the lighting inspection but also the attachment of the polarizing plate can be performed without treating the liquid crystal display panel 1 as an individual unit. This can be performed through the openings 61 and 71 while being held by the jig 20. The positioning in the exposure direction in FIGS. 8 and 9 is also performed by means of a projection (not shown) in which the end surface 13 of the glass substrate 4 of the liquid crystal display panel 1 is positioned on the end or end surface of the exposed portion 49 of the gripping plate 41. May be provided, or means for positioning at the end surface 13 of the glass substrate 4 of the liquid crystal display panel 1 may be provided on a pedestal (stage or table) in each step.

(Electronic Equipment to which the Present Invention is Applied) Next, electronic equipment to which the present invention is applied will be described with reference to FIG.

FIG. 10A is a perspective view showing a mobile phone. 1000 indicates a mobile phone body, of which 1001
Denotes a liquid crystal display unit using the liquid crystal display device according to the present invention.

FIG. 10B is a perspective view showing a wristwatch-type electronic device. Reference numeral 1100 denotes a watch body, of which 11
Reference numeral 01 denotes a liquid crystal display unit using the liquid crystal display device according to the present invention.

FIG. 10C shows a portable information processing apparatus such as a word processor or a personal computer. Reference numeral 1200 denotes an information processing apparatus; 1202, an input unit such as a keyboard;
Reference numeral 206 denotes a liquid crystal display unit using the liquid crystal display device according to the present invention, and 1204 denotes an information processing device main body.

By using the liquid crystal display device according to the present invention in these electronic devices, it is possible to improve the production efficiency and reduce the product cost due to the decrease in the defective rate.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a liquid crystal display device according to an embodiment of the present invention.

FIG. 2 is a manufacturing process diagram in this embodiment.

FIG. 3 is a diagram showing each state in a manufacturing process of the embodiment.

FIG. 4 is a manufacturing process diagram in another embodiment.

FIG. 5 is a diagram illustrating respective states in a manufacturing process according to another embodiment.

FIG. 6 is a perspective view of a jig for manufacturing a liquid crystal device according to an embodiment of the present invention.

FIG. 7 is an explanatory diagram of a fixing method of the jig in this embodiment.

FIG. 8 is a perspective view showing another example of a jig for manufacturing a liquid crystal device.

FIG. 9 is a perspective view showing still another example of a jig for manufacturing a liquid crystal device.

FIG. 10 is a diagram illustrating an electronic device to which the present invention is applied.

[Explanation of symbols]

 Reference Signs List 1 liquid crystal display panel 3, 4 glass substrate 5 TAB (TCP) substrate 6 TAB mounting area 15, 16 polarizing plate 17 FPC substrate 20 jig 41, 42 gripping plate 43 hinge 44 concave portion 45 plate spring 46 through hole 47 rod-shaped member 48 protrusion Part 61, 71 Opening

Claims (12)

[Claims] 1. A method for manufacturing a liquid crystal device in which a circuit board is electrically connected to input terminals formed on a liquid crystal panel having a liquid crystal sandwiched between a pair of substrates, wherein (a) at least the circuit board is electrically Holding the plurality of liquid crystal panels together using a jig while exposing the region where the input terminals to be connected are formed; and (b) holding the plurality of liquid crystal panels by the jig. Electrically connecting the circuit board to a region where the input terminals of each liquid crystal panel are formed while holding the liquid crystal panel. 2. A liquid crystal display comprising: a liquid crystal panel having a liquid crystal sandwiched between a pair of substrates; a semiconductor device for driving the liquid crystal panel mounted on the liquid crystal panel; and a circuit substrate electrically connected to input terminals formed on the liquid crystal panel. A method of manufacturing a device, comprising:
(A) holding at least a plurality of the liquid crystal panels by using a jig while exposing at least a mounting area where the semiconductor device is mounted and an area where the input terminals are formed; A) mounting the semiconductor device on the mounting area of each liquid crystal panel while holding the plurality of liquid crystal panels by the jig; and (c) holding each of the plurality of liquid crystal panels while holding the plurality of liquid crystal panels by the jig. Mounting the circuit board in a region of the liquid crystal panel where the input terminals are formed. 3. After the step of holding the plurality of liquid crystal panels collectively using the jig, at least the mounting area and / or the input terminal of each liquid crystal panel held by the jig is formed. The method for manufacturing a liquid crystal device according to claim 1, further comprising a step of cleaning the region. 4. After the step of holding the plurality of liquid crystal panels collectively by using the jig, the jig is adjusted to a predetermined position corresponding to a mounting position of each liquid crystal panel, thereby performing the jig. 3. The method for manufacturing a liquid crystal device according to claim 1, further comprising the step of aligning a mounting position of each liquid crystal panel gripped by the tool. 5. A positioning unit provided on the jig,
5. The liquid crystal device according to claim 4, wherein positioning is performed with a positioning unit provided on a pedestal used for mounting in the step (b) and / or the step (c). 6. Manufacturing method. 6. The method according to claim 1, further comprising the step of performing a lighting test of each of the liquid crystal panels gripped by the jig via a transparent portion of the jig provided at a position corresponding to a display unit of each of the liquid crystal panels. The method for manufacturing a liquid crystal device according to claim 1, wherein: 7. A lighting inspection of each of the liquid crystal panels gripped by the jig through an opening of the jig provided at a position corresponding to a display unit of each of the liquid crystal panels. The method for manufacturing a liquid crystal device according to claim 1, wherein: 8. A step of attaching a polarizing plate to each liquid crystal panel gripped by the jig via an opening of the jig provided at a position corresponding to the polarizing plate attaching portion of each of the liquid crystal panels. The method for manufacturing a liquid crystal device according to claim 1, further comprising: 9. A jig for manufacturing a liquid crystal device used at least in a cradle for mounting components in a component mounting area of a liquid crystal panel, such that at least the component mounting area is exposed in each of the liquid crystal panels from one side. A first gripping plate provided with a plurality of positioning portions for positioning the liquid crystal panel; and a plurality of liquid crystal panels positioned by the respective positioning portions of the first gripping plate being connected to the first gripping plate. A second holding plate for holding between the first holding plate and the second holding plate in a state where the plurality of liquid crystal panels are held between the first holding plate and the second holding plate.
A jig for manufacturing a liquid crystal device, comprising: fixing means for fixing the holding plate. 10. The liquid crystal device according to claim 9, wherein at least one of the first and second gripping plates is provided with a means for positioning with the receiving table. jig. 11. A transparent part is provided at at least one of the first and second gripping plates at a position corresponding to at least a display part of each of the liquid crystal panels. The jig for manufacturing a liquid crystal device according to claim 10. 12. The liquid crystal panel according to claim 9, wherein at least one of the first and second gripping plates has an opening at a position corresponding to a display unit of each of the liquid crystal panels. Item 12. The jig for manufacturing a liquid crystal device according to any one of items 11.