JP2000276067A - Display device and electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device which simplifies a terminal connecting process and can expand the area ratio of a display area. SOLUTION: A terminal part 223A formed at a short-side part of a tape carrier package 22 joined with a long side of a projection area 26A of the glass substrate 26 of a liquid crystal panel 21 and a connection terminal part, 31 arranged at a long-side part of a projection area 25A of the glass substrate 25 are joined from the same direction by one flexible printed wiring board 23. Consequently, the usability of the flexible printed wiring board 23 can be increased. Further, a driver IC is not mounted in the projection area 26A of the glass substrate 26, and hence the projection size can be made shorter to increase the area ratio of the display area to the whole liquid crystal display panel 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat panel display device such as a liquid crystal display device and an EL (electroluminescence) display device. Further, the invention relates to an electronic device including the display device.

[0002]

2. Description of the Related Art In recent years, display devices have been widely used as information display terminals for portable devices, homes, offices / factories, automobiles, and the like. In particular, the liquid crystal display device has features such as thinness, light weight, low voltage, and low power consumption. Currently, liquid crystal display devices are at the center of electronic displays, including the future, and their application to PDAs (Personal Digital Assistants) and the like is becoming more and more active by utilizing low power consumption.

As a conventional liquid crystal display device, there is, for example, a liquid crystal display device 1 of a passive matrix drive system as shown in FIG. This liquid crystal display device 1 is roughly constituted by a liquid crystal display panel 2 and a printed circuit board 3. The liquid crystal display panel 2 and the printed board 3 are electrically connected via two flexible printed wiring boards 4 and 5.

[0004] The liquid crystal display panel 2 has a pair of glass substrates 6 and 7 arranged opposite to each other. Between these glass substrates 6 and 7, a sealing material (not shown) interposed so as to go around the display area is arranged. A liquid crystal is sealed in a gap formed between the glass substrates 6 and 7 and a sealing material. A plurality of signal electrodes 8 are provided on the inner surface of the glass substrate 6 (the surface facing the glass substrate 7).
Are formed in parallel. On the other hand, a plurality of scanning electrodes 9 are formed on a facing inner side surface of the glass substrate 7 (a surface facing the glass substrate 6) along a direction orthogonal to the signal electrodes 8 described above.

At a predetermined side edge of the liquid crystal display panel 2 (a lower edge in FIG. 4), the edge of the glass substrate 6 projects laterally (downward in the figure) from the edge of the glass substrate 7. Is set to Further, at a side edge (left side edge in the figure) adjacent to the above-mentioned side edge of the liquid crystal display panel 2, the edge of the other glass substrate 7 is located laterally from the edge of the one glass substrate 6. It is set to protrude. Then, signal driver ICs 10 and 11 are provided with COG (Chip On
Glass) implemented. Driver IC for these signals
Reference numerals 10 and 11 are connected to the output terminal portion 8A on which the plurality of signal electrodes 8 extend and the input terminal portion 12 arranged and formed on the edge side of the protruding region 6A. Further, a scanning driver IC 13 is mounted on the protruding region 7A on the inner side surface facing the glass substrate 7 by COG. The scanning driver IC 13 is connected to an output terminal 9A in which the plurality of scanning electrodes 9 extend and an input terminal 14 arranged and formed on the edge of the protruding region 7A.

The output terminal portion 4A of the flexible printed wiring board 4 is electrically connected to a plurality of input terminal portions 12 arranged and formed along the long side of the protruding region 6A of the glass substrate 6. Are connected via an anisotropic conductive film (ACF). Similarly, the output-side terminal portion 5A of another flexible printed wiring board 5 described above is
The glass substrate 7 is joined via an anisotropic conductive film so as to be electrically connected to a plurality of input terminal portions 14 arranged and formed along the long side of the protruding region 7A of the glass substrate 7. The input terminal 4B of the flexible printed wiring board 4 is connected to the output terminal 1 formed on the printed circuit board 3.
5 through an anisotropic conductive film. Further, the input side terminal portion 5 of the flexible printed wiring board 5
B is bonded to an output terminal portion 16 formed on the printed circuit board 3 via an anisotropic conductive film. The printed circuit board 3 is provided with predetermined wiring and various electronic components for controlling and driving the liquid crystal display panel 2.

As an electronic apparatus using the liquid crystal display device having the above-mentioned configuration, there is an electronic apparatus having an input unit such as a keyboard and a numeric keypad and displaying data on a liquid crystal display panel in accordance with an input operation to the input unit. . In such an electronic device, a liquid crystal display panel and a printed circuit board are incorporated in a chassis (panel storage frame). At this time,
Two flexible printed wiring boards are bent so that the printed circuit board is arranged on the rear side of the liquid crystal display panel.

[0008]

However, in the above-described liquid crystal display device and the electronic equipment using the same, the display area of the liquid crystal display panel is reduced with the pursuit of portability by reducing the weight and thickness. As a result, the visibility is reduced. In portable information devices such as a mobile phone and a pocket-sized personal computer that emphasizes portability, the reduction of the width of the housing and the width of the frame outside the display area are being pushed to the limit. Thus, by slightly reducing the outer dimensions of the housing, the size of the display panel must be reduced. As a result, the display area of the liquid crystal display panel becomes narrower, which causes a problem that the amount of display information decreases and that displayed characters are difficult to see.

As shown in FIG. 4, in the liquid crystal display device 1 having the above-described structure, the protruding region 7A of the glass substrate 7 exists in the width direction (left side in the figure), and the scanning driver IC 13 , A predetermined bonding margin x2 for bonding the output terminal 5A of the flexible printed wiring board 5, and a scanning driver IC.
13 and the dimension x3 for separating the output-side terminal portion 5A of the flexible printed wiring board 5 must be secured. For this reason, there is a problem that as the width of the liquid crystal display panel 2 becomes shorter, the area ratio of the display area to the entire surface of the liquid crystal display panel 2 becomes smaller.

[0010] The problem caused by the protruding region in the liquid crystal display panel is not limited to the case where the size of the liquid crystal display device or the electronic equipment using the same is reduced. That is, even in an electronic device having a relatively large liquid crystal display device, the display area in a housing such as a chassis for housing the display device is maximized by reducing the width of the frame portion outside the display area of the liquid crystal display panel. It is desired to expand to the limit.

Further, in the liquid crystal display device 1 described above, the glass substrate 6 on which the signal driver ICs 10 and 11 are mounted
The flexible printed wiring board 4 to be bonded to the protruding area 6A and the flexible printed wiring board 5 to be bonded to the protruding area 7A of the glass substrate 7 on which the scanning driver IC 13 is mounted need to be independently bonded to the printed board 3. There is. For this reason, there is a problem that the module process becomes complicated and lacks convenience. Further, since the respective flexible printed wiring boards 4 and 5 are separately bonded to the printed circuit board 3, it is not preferable that the output terminal portions 15 and 16 arranged and formed on the printed circuit board 3 are too close to each other. That is, when the flexible printed wiring boards 4 and 5 are joined to the printed circuit board 3 using the mounting machine, it is necessary to secure a distance such that the flexible printed wiring boards do not interfere with each other. Thus, the use of a plurality (two) of flexible printed wiring boards is a factor that hinders the downsizing of the printed circuit board 3.

The problem to be solved by the present invention is that what means should be taken to obtain a display device which can simplify the terminal connection process and enlarge the occupied area of the display area. . Another problem to be solved by the present invention is that what means should be taken in order to obtain an electronic device capable of performing a highly visible display with a simple module process.

[0013]

According to the present invention, a pair of a first substrate and a second substrate, one of which has transparency at least for display light, is disposed so as to face each other, A scanning electrode is formed on a surface facing the second substrate, and a signal electrode is formed on a surface of the second substrate facing the first substrate. The first substrate has a first protruding portion that protrudes laterally from the peripheral edge of the second substrate at one side edge of two adjacent side edges, and the second substrate has a first protruding portion at the other side edge. A second substrate having a second protrusion protruding laterally from a peripheral edge of the first substrate, and a terminal portion of a scanning electrode formed on the first protrusion;
A display device in which a terminal portion of a signal electrode is formed on a second protruding portion, wherein at least one output terminal portion of one flexible printed wiring board is branched and connected to the first protruding portion and the second protruding portion. A tape carrier package on which a driver IC is mounted is interposed between one protruding portion and an output terminal portion of the flexible printed wiring board.

In the present invention having such a configuration, the tape carrier package is joined to at least one of the first substrate and the second substrate. The flexible printed wiring board is branched and connected to the tape carrier package and the protruding portion of the other substrate. As a result, it is not necessary to mount a driver IC on at least one of the first protrusion and the second protrusion, and it is sufficient that the terminal of the scanning electrode or the signal electrode is provided. For this reason, the protrusion dimension of at least one protrusion to which the tape carrier package is joined can be reduced.

According to the present invention having such a configuration, the area ratio of the display area to the entire display panel can be increased by shortening the protrusion dimension of at least one protrusion. By thus increasing the area ratio of the display region, the width of the display frame portion surrounding the display opening of the housing (chassis) that houses the display panel can be shortened, and the visibility of the display can be improved. it can. Further, according to the present invention, since the flexible printed wiring board is joined from one direction (x direction or y direction) of the display panel, there is an effect that the terminal connection process can be simplified. Furthermore, according to the present invention,
The use of one flexible printed wiring board enables connection to the scanning electrodes and signal electrodes formed on the two substrates, which has the effect of increasing the convenience of the flexible printed wiring board. The present invention has an effect that by using such a flexible printed wiring board, a module process for assembling a display device into an electronic device can be simplified.

Further, the present invention is characterized in that the output-side terminal portion of the flexible printed circuit board is connected to a portion of the peripheral portion of the tape carrier package close to the other protruding portion.

According to the present invention having such a configuration, the flexible printed wiring board is provided with the tape carrier package joined to at least one of two adjacent side edges of the display panel and the other side edge. , X direction and Y
X direction or Y direction instead of joining from both directions
It is only necessary to join them from one side in the direction, so that the convenience of the flexible printed wiring board can be improved.

Further, the present invention is characterized in that a tape carrier package on which a driver IC is mounted is interposed between the other protruding portion and the output terminal portion of the flexible printed wiring board. According to such a configuration,
The protrusion size of the other protrusion can be reduced, and the area ratio of the display region to the entire display panel can be further improved.

Further, the present invention is characterized in that the input terminal of the flexible printed wiring board is connected to a printed circuit board.

In the present invention having such a configuration, the output-side terminal portion of the flexible printed wiring board connected to the electrode terminal portions of the projecting portions of the two substrates can be joined at one place of the printed circuit board. Therefore, according to the present invention, there is an effect that the joining between the flexible printed wiring board and the printed board is simplified. Further, according to the present invention, since the flexible printed wiring board can be joined at one place of the printed board as described above, there is an effect that the printed board can be reduced in size.

Further, in the present invention, it is preferable that the flexible printed wiring board has a structure including a flexible substrate and a wiring pattern formed on the same surface side of the flexible substrate.

According to the present invention having such a configuration, the joining surface of the branch portion joined to the first projecting portion and the second projecting portion is on the same surface side, so that the convenience of the flexible printed wiring board is good, and the flexible printed wiring is good. There is an effect that the manufacture of the plate becomes easy.

In the present invention, the electro-optical material layer is preferably a liquid crystal layer. According to the present invention having such a configuration, the convenience of assembling the display device of the portable information terminal can be improved, and the display visibility can be improved by increasing the area ratio of the display region.

An electronic apparatus according to the present invention includes the display device described above, and an input unit for inputting a signal to the display device.
The display panel is housed in a housing, and an opening for exposing the entire display area of the display panel is formed in the housing.

According to the present invention having such a configuration, the ratio of the opening area of the opening of the housing can be increased, and the width of the frame surrounding the display section can be reduced. For this reason, for example, even when the electronic device is downsized, the display area can be prevented from being reduced, and the display visibility is improved.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a display device and an electronic apparatus according to the present invention will be described in detail based on embodiments shown in the drawings. 1 to 3 show an embodiment in which the present invention is applied to a passive-matrix driving type reflection type liquid crystal display device.

As shown in FIG. 1, a liquid crystal display device 20 of the present embodiment comprises a liquid crystal display panel 21 and a liquid crystal display panel 2.
The output-side terminal portion is branched at two places: a tape carrier package 22 provided on one of two adjacent side edges of the liquid crystal display panel 1, and the other side edge of the liquid crystal display panel 21 on the side of the tape carrier package 22. The flexible printed wiring board 23 and the printed circuit board 24 to which the input-side terminals of the flexible printed wiring board 23 are joined. Although the tape carrier package 22 is used in this embodiment, the COF
(Chip On Flexible printed circuit board) can also be used.

First, the configuration of the liquid crystal display panel 21 will be described. As shown in FIG. 1, the liquid crystal display panel 21 has a pair of glass substrates 25 and 26 which are arranged to face each other.
have. Between these glass substrates 25 and 26,
A sealing material (not shown) is provided so as to surround the display area. A liquid crystal (not shown) is sealed in a gap formed between the glass substrates 25 and 26 and the sealing material.

Further, a plurality of signal electrodes 27 are formed in parallel on the inner side surface of the glass substrate 25 (the surface facing the glass substrate 26) as shown in FIG. The signal electrode 27 is formed of, for example, ITO (Indium Tin Oxide) having transparency to display light.
These signal electrodes 27 are arranged at predetermined intervals from each other along a predetermined direction (vertical direction, X direction in FIG. 1).
Is formed. On the other hand, a plurality of scanning electrodes 28 are formed on a facing inner side surface (a surface facing the glass substrate 25) of the glass substrate 26 along a direction (horizontal direction, Y direction in FIG. 1) orthogonal to the above-mentioned signal electrode 27. Have been. The scanning electrode 28 is formed of a conductive material that reflects display light. The scanning electrodes 28 are arranged so as to be parallel with a predetermined interval. That is, the plurality of signal electrodes 27 formed on the glass substrate 25 and the plurality of scanning electrodes 28 formed on the glass substrate 26 are orthogonal to each other via a liquid crystal layer or the like (including an alignment film).
It constitutes a Y matrix.

Further, at a predetermined side edge of the liquid crystal display panel 21 (a lower edge in FIG. 1), the edge of the glass substrate 25 is located laterally (downward in the figure) of the edge of the glass substrate 26. It is set so as to protrude. The liquid crystal display panel 2
In the side edge (left edge in the figure) adjacent to the above-mentioned side edge of the glass substrate 26, the edge of the glass substrate 26 is
5 is set to protrude laterally (to the left in the figure) from the edge of FIG.

Signal driver (X driver) ICs 29 and 30 are mounted on a chip-on-glass (COG) in the protruding region 25A on the inner surface of the glass substrate 25 facing the opposite side. These signal driver ICs 29 and 30 are:
A terminal 27A in which the plurality of signal electrodes 27 extend.
Is disposed on the long side of the protruding region 25A of the glass substrate 25.
It is connected to the formed plurality of joining terminal portions 31.

On the other hand, in the protruding region 26A on the inner side surface facing the glass substrate 26, the terminal portions 28A in which the plurality of scanning electrodes 28 extend are arranged and formed along the long sides of the protruding region 26A. I have.

The tape carrier package 22 includes a plurality of output-side wirings 222 and a plurality of input-side wirings on a surface (a back surface in FIG. 1) of a base material 221 made of a flexible insulating resin such as a polyimide resin. The wiring 223 is formed in a pattern. In addition, the tape carrier package 22
Is mounted so that the scanning driver IC 32 is interposed between the output side wiring 222 and the input side wiring 223. Although not shown, these wirings and the connection portions (such as wire bonding portions or bump bonding portions) between the wirings and the scanning driver IC 32 are covered with a resin mold. In the present embodiment, the terminal portion 223A of the input side wiring 223 is provided on the short side 221A of the tape carrier package 22 near the protruding region 25A of the glass substrate 25.
Are arranged and formed. Thus, the short side 221
A terminal portion 223A of the input side wiring 223 routed to A
Is connected to an output terminal portion of a flexible printed wiring board 23 described later.

Next, the configuration of the flexible printed wiring board 23 will be described. FIG. 2 is a plan view of the flexible printed wiring board 23 used in the liquid crystal display device 20 of the present embodiment. This flexible printed wiring board 23
On one surface of a flexible substrate 231 made of a flexible electrically insulating resin, a plurality of signal wirings 232 connected to a plurality of bonding terminal portions 31 formed in the protruding region 25A of the glass substrate 25 described above. A plurality of scanning lines 23 connected to a plurality of terminals 223A formed on the short side of the tape carrier package 22;
3 are formed together.

This flexible printed wiring board 23
A first joining portion 234 having a long width dimension to which the front end portion 234A is joined to the protruding region 25A of the glass substrate 25, and a second joining portion having a short width dimension which branches off from a side portion of the first joining portion 234 and projects forward. And a third joint 236 that projects rearward from the rear of the first joint 234 and has a rear end 236A joined to the printed circuit board 24 described above.

The first joint 234 and the third joint 236
Are extended between a front end portion 234A of the first joint portion and a rear end portion 236A of the third joint portion 236, and form a group with a gap provided therebetween so as to be electrically insulated from each other. A plurality of signal wirings 232 are arranged and formed. Further, from the front end 235A of the second joint 235 to the third joint 236
A plurality of scanning wirings 233 extending and arranged in a group while maintaining electrical insulation are provided over the rear end portion 236A.

As described above, in the flexible printed wiring board 23 used in the present embodiment, the wiring (the signal wiring 232 and the scanning wiring 232) is formed at the first joint 234, the second joint 235, and the third joint 236. 233) is formed on the same surface side of the flexible substrate 231.

Next, a joint structure between the flexible printed wiring board 23 having such a configuration and the above-described liquid crystal display panel 21 will be described. As shown in FIG. 1, the flexible printed wiring board 23 has a plurality of terminal portions 223A arranged and formed along a short side portion of the tape carrier package 22 joined to a long side portion of the protruding region 26A of the glass substrate 26.
To the front end 235A of the second joint 235
The formed scanning wirings 223 are joined so as to correspond to each other via an anisotropic conductive film (ACF) (not shown). On the other hand, a plurality of bonding terminal portions 31 arranged and formed on the long sides of the protruding region 25A of the glass substrate 25 have a signal terminal formed at the front end 234A of the first bonding portion 234 of the flexible printed wiring board 23. Similarly, the terminals of the wiring 232 are joined via an anisotropic conductive film so as to correspond to each other.

The printed circuit board 24, as shown in FIG.
For example, it has a wiring circuit on which various electronic components 241 such as a power supply IC are mounted. The wiring terminal (the signal wiring 23) of the rear end 236 </ b> A of the third joint 236 of the flexible printed wiring board 23 is provided on the side edge of the printed circuit board 24.
2, a connection portion 242 for electrically connecting to the scanning wiring 233). The rear end portion 236A of the third joint portion 236 of the flexible printed wiring board 23 also has a similar shape.
The connecting portion 242 is connected via an anisotropic conductive film (not shown).
It is connected to the.

In the present embodiment, the tape carrier package 22 and the flexible printed wiring board 23 are bent at the positions indicated by two dashed lines a and b shown in FIG. Can be placed to

In the present embodiment having such a configuration, the area ratio of the display region to the entire liquid crystal display panel 21 can be increased by reducing the protrusion size of at least one protrusion region 26A. By thus increasing the area ratio of the display region, display visibility can be improved. Further, according to the present embodiment, since the flexible printed wiring board 23 is joined from one direction (the y direction) of the liquid crystal display panel 21, there is an effect that the terminal connection process can be simplified. Furthermore, according to the present embodiment, it is possible to connect to the scanning electrodes 28 and the signal electrodes 27 formed on the two substrates by using one flexible printed wiring board 23. In this embodiment, two glass substrates 25 and 26 can be used.
Of the flexible printed wiring board 2 in a state where the branch portions connected to the electrode terminal portions of the protruding regions 25A and 26A are bundled.
3 can be joined at one place of the printed circuit board 24. Therefore, the connection between the flexible printed wiring board 23 and the printed board 24 can be simplified. Further, since the flexible printed wiring board 23 can be joined at one place of the printed circuit board 24, the size of the printed circuit board 24 can be reduced.

Further, in the present embodiment, the joining surface of the branch portion joining to the tape carrier package 22 and the protruding region 25A is on the same surface side, so that the convenience of the flexible printed wiring board 23 is good, and Can be easily manufactured.

Next, the configuration of a notebook personal computer 40 as an electronic device using the liquid crystal display device 20 of the present embodiment as a display unit will be described with reference to FIG. As shown in the figure, the liquid crystal display panel 21 is housed in a housing 41, and is configured to be exposed from a display area of the liquid crystal display panel 21 through an opening 41A formed in the housing 41. Also, a keyboard 42 is provided as an input unit. In the display unit of the personal computer 40, the width of the left and right sides of the frame 41 of the housing 41 surrounding the display area can be reduced. That is, FIG.
As shown in (1), since it is not necessary to mount the scanning driver IC on the protruding region 26A of the glass substrate 26, the protruding size of the protruding region 26A can be reduced. For this reason,
For example, when the personal computer 40 is downsized, the ratio of the display area to the entire area of the liquid crystal display panel can be improved by using the liquid crystal display panel 21 as in the present embodiment. Therefore, the frame portion 41 of the housing 41
By reducing the width dimension of A, the area ratio of the display unit of the personal computer 40 can be improved. As described above, the present embodiment contributes to miniaturization of various electronic devices including a personal computer, for example, a pager, a liquid crystal television, a viewfinder, a car navigation device, an electronic organizer, a calculator, a word processor, a mobile phone, and a videophone. can do.

Although the embodiments have been described above, the display device and the electronic apparatus according to the present invention are not limited to the above-described configurations, and various changes accompanying the gist of the configurations are possible. For example, in the above-described embodiment, the present invention is applied to the reflection type liquid crystal display device of the passive matrix driving system as the display device.
The present invention can also be applied to an active matrix driving type liquid crystal display device having an lm diode) element for each pixel electrode. These liquid crystal display devices are not limited to the reflection type, but may be a transmission type liquid crystal display device.
In addition, an EL display device can be used as the display device. This EL display uses an electroluminescent material including a fluorescent material as an electro-optical material, and the configuration of a scanning electrode, a signal electrode, and the like can be substantially the same as that of a liquid crystal display.
Furthermore, in the above-described embodiment, the signal electrode 27 is formed of a material having transparency to display light, and the glass substrate 25 on which the signal electrode 27 is formed is set as the front substrate. Of course, it is good also as a structure which forms an electrode.

In the above embodiment, the signal wiring 2 formed on the flexible printed wiring board 23 is used.
32 and the scanning wiring 233 are arranged on the liquid crystal display panel 21.
Can be changed as appropriate depending on the arrangement of the joints.

Further, in the above-described embodiment, the signal driver IC 2 is provided on the protruding region 25 A of the glass substrate 25.
Although the terminals 9 and 39 are mounted by COG, the terminal portion of the signal electrode 28 is arranged in the protruding region 25A, and the terminal portion and the front end portion 23 of the first joint portion 234 of the flexible printed wiring board 23 are arranged.
4A, a tape carrier package on which the signal driver ICs 29 and 30 are mounted may be interposed. In the case of such a configuration, the liquid crystal display panel 2
It is possible to further increase the area ratio of the display region to the whole.

[Brief description of the drawings]

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

FIG. 2 is a plan view showing a flexible printed wiring board used in the embodiment.

FIG. 3 is an exemplary perspective view showing an embodiment of an electronic apparatus according to the invention.

FIG. 4 is a plan view of a conventional liquid crystal display device.

DESCRIPTION OF SYMBOLS 20 Liquid crystal display device 21 Liquid crystal display panel 22 Tape carrier package 23 Flexible printed wiring board 24 Printed circuit board 25, 26 Glass substrate 25A, 26A Projecting area 27 Signal electrode 28 Scan electrode 29, 30 Driver IC 31 for signal bonding Terminal 32 Scanning driver IC 223A Terminal 231 Flexible substrate 232 Signal wiring 233 Scanning wiring 234 First joint 235 Second joint 236 Third joint

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yasuto Ariga 3-5-5 Yamato, Suwa-shi, Nagano F-term in Seiko Epson Corporation (reference) 2H092 GA48 GA50 GA60 JB22 JB31 NA01 NA25 PA01 5G435 AA17 AA18 BB12 CC09 EE02 EE32 EE34 EE40 EE41 EE47 KK02 LL07

Claims (7)

[Claims] 1. A pair of a first substrate and a second substrate, one of which is at least transparent to display light, is disposed so as to face each other, and the first substrate faces the second substrate. A scanning electrode is formed on a surface of the display panel, and a signal electrode is formed on a surface of the second substrate facing the first substrate. Of the two side edges, one of the side edges has a first protruding portion where the first substrate protrudes laterally from the peripheral edge of the second substrate, and the other of the side edges has
The second substrate has a second protrusion protruding laterally from a peripheral edge of the first substrate, a terminal portion of the scanning electrode is formed on the first protrusion, and the signal electrode is provided on the second protrusion. Wherein the output side terminal of one flexible printed wiring board is branched and connected to the first protrusion and the second protrusion, and at least one of the protrusions is provided. Between the driver and the output terminal of the flexible printed circuit board.
A display device comprising a tape carrier package on which C is mounted. 2. The output terminal portion of the flexible printed circuit board is connected to a portion of the peripheral portion of the tape carrier package that is close to the other one of the protruding portions. Display device. 3. A tape carrier package on which a driver IC is mounted is interposed between the other protruding portion and the output terminal portion of the flexible printed wiring board. The display device according to claim 2. 4. The display device according to claim 1, wherein the input terminal of the flexible printed wiring board is connected to a printed circuit board. 5. The display device according to claim 1, wherein the flexible printed wiring board includes a flexible substrate and a wiring pattern formed on the same surface side of the flexible substrate. 6. The display device according to claim 1, wherein the electro-optic material layer is a liquid crystal layer. 7. The display device according to claim 1, further comprising: an input unit configured to input a signal to the display device, wherein the display panel is housed in a housing, and the display panel is provided in the housing. An electronic device, wherein an opening is formed to expose an entire display area of a display panel.