JP3465012B2 - Liquid crystal display device and projection type liquid crystal display device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device and a projection type liquid crystal display device which can obtain a high quality image display by suppressing a gap variation of a liquid crystal layer in a liquid crystal display device in which a liquid crystal panel is mounted in a package. Regarding

[0002]

2. Description of the Related Art A liquid crystal panel is widely used as a display device for a monitor of information equipment such as a television receiver or a personal computer and other various display devices.

In this type of liquid crystal panel, a drive electrode serving as a power supply electrode for pixel selection or a power supply electrode of a switching element is formed on one substrate, a common electrode is formed on the other substrate, and both electrode sides are opposed to each other. And the liquid crystal layer is sandwiched in the bonding gap.

As a small high-definition liquid crystal panel used for an image forming means for a projection type liquid crystal display device, a viewfinder such as a video camera, or a head mounted display, a small high-definition liquid crystal panel is generally used. , P
A device using -SiTFT is known.

In addition, a common electrode is formed on a transparent substrate, a drive electrode is formed on a silicon substrate, and a liquid crystal layer or a polymer dispersion type liquid crystal layer is sandwiched in a bonding gap between the two and embedded in a package. It is known as a module.

The conventional mounting form of a liquid crystal panel in a package for modularization has an opening in the display area.
This is performed using a package having a structure in which a single substrate is sandwiched. Then, the liquid crystal panel and the package are fixed with an adhesive. In a small liquid crystal panel used in this type of module, various voltages supplied to the drive electrodes are connected to the terminals of the flexible printed circuit board by connecting the lead terminals patterned on one side of the drive board of the liquid crystal panel to the required voltage. Power is supplied to the common electrode by interposing a conductive paste between the electrode provided in the contact portion of the drive substrate and the common electrode.

FIG. 8 is a developed perspective view illustrating a structural example of a conventional small liquid crystal panel, and FIG. 9 is a sectional view taken along line FF of FIG.

In the drawings, 1 is a transparent substrate (common substrate or common substrate, hereinafter also referred to as a first substrate), 1
a is a transparent common electrode formed on the inner surface of the first substrate, 2 is a silicon substrate (driving substrate, hereinafter also referred to as a second substrate), 2a is a pixel electrode formed on the inner surface of the second substrate, 3
Is a liquid crystal layer, 4 is a seal for sealing the liquid crystal between the first substrate and the second substrate, 6 is an ultraviolet curable adhesive, a thermosetting resin adhesive, or an adhesive layer such as silver paste, 7 Is a ceramic or plastic package, 9 is a flexible printed circuit board, 5 is a contact portion, and 2b is a connection terminal portion.

As shown in FIG. 9, in the conventional liquid crystal display module, the adhesive layer 6 is interposed between the bottom portion of the package 7 and the second substrate 2 and fixed. Further, in the case of a polymer dispersion type liquid crystal panel using a silicon substrate as the second substrate 2, the second substrate 2 is fixed to a ceramic package by using a silver paste used in die bonding. .

The liquid crystal layer 3 sandwiched between the first substrate 1 and the second substrate 2 is driven by an electric field generated between each pixel electrode 2a in the pixel region and the common electrode 1a. Generally, the connection terminal portion 2b is provided on the second substrate 2, and a voltage or the like for driving each pixel is supplied from the outside by the connection terminal portion 2b. Further, the voltage is also supplied to the common electrode 1a provided on the first substrate, but the connection terminal portion provided on the second substrate 2 is provided because the connection terminal portion is not provided on the first substrate. Wiring is provided from 2b to the contact portion 5, and the contact portion 5
Is electrically connected to the common electrode 1a of the first substrate 1.
A conductive paste, which is a conductive joining member such as silver paste, is used for electrical connection at the contact portion 5.

FIG. 10 is a sectional view for explaining an example of the structure in which the reflection type liquid crystal module in which the liquid crystal panel described in FIG. 9 is fixed to the package is attached to a dichroic prism, where 1 is a first substrate and 2 is a Second substrate, 6 is adhesive, 7 is package, 26 is dichroic prism,
27 is a reflective liquid crystal module, and 31 is an optical glue. In FIG. 10, the second substrate 2 side is fixed to the package 7 by the thermosetting adhesive layer 6 to form a reflective liquid crystal module, and the first substrate 1 is adhered to the dichroic prism 26 with the optical paste 31. It is fixed.

The optical glue 31 is a dichroic prism 26.
First, use silicone oil, etc.
It is possible to prevent generation of reflected light at the interface between the substrate 1 and the dichroic prism 26, loss of light amount, and reduction in contrast of the projected image.

FIG. 11 is a schematic view of an optical system for explaining an example of a projection type liquid crystal display device using a liquid crystal display module, wherein 20 is a light source, 21 is a parabolic mirror, 22 is a condenser lens, and 23 is A reflecting mirror, 24 is a first diaphragm, 25 is a lens, 26 is a dichroic prism, 27R is a reflective liquid crystal module for red, 27G is a reflective liquid crystal module for green, 27B is a reflective liquid crystal module for blue, and 28 is a second. Is a projection lens, 29 is a projection lens, and 30 is a screen.

The structure of the reflection type liquid crystal display device shown in FIG. 11 will be described. The reflection type liquid crystal module 27R for red, the reflection type liquid crystal module 27G for green and the reflection type liquid crystal module 27B for blue are respectively provided on the three surfaces of the dichroic prism 26. As described with reference to FIG. 10, they are brought into close contact with each other via the optical glue 31, the positions are adjusted so that the respective positions are not displaced, and then fixed by the fixing means not shown.

At this time, it is necessary to firmly fix the projection type liquid crystal display device so as not to be displaced due to vibration or shock during operation or transportation.

Therefore, as the fixing means, a means having a function of pressing each reflection type liquid crystal module 27R, 27G, 27B against the dichroic prism is used.

In the projection type liquid crystal display device having such a configuration, the light from the light source 20 is converted into parallel rays by the parabolic mirror 21, and then the condenser lens 22, the reflecting mirror 23 and the first diaphragm 2 are provided.
4, the light enters the dichroic prism 26 through the lens 25.

In the dichroic prism 26, incident light is decomposed into three components of red, green and blue and fixed on each of the three surfaces, a red reflection liquid crystal module 27R, a green reflection liquid crystal module 27G and a blue reflection liquid crystal module 27G. The liquid crystal module 27B enters.

An image is formed on each of the red reflective liquid crystal module 27R, the green reflective liquid crystal module 27G, and the blue reflective liquid crystal module 27B by a signal fed through the flexible printed circuit board 9 described above. The reflected light in which the incident light is modulated by this image is combined by the dichroic prism 26 and emitted from the lens 25.

In this type of reflective liquid crystal module, each pixel is in a scattered or reflected state according to an image signal, and specularly reflected light is emitted from the lens 25. The three-color combined light emitted from the lens 25 passes through the second diaphragm to block the scattered light of the reflected light in the scattered state in the display area and around the display area. Projected on. Since a uniform dark state area is formed around the display area, it is possible to obtain an image display with good image quality.

As described above, the screen 30 is a high-quality full-color image obtained by synthesizing the images of the respective colors formed on the red reflective liquid crystal module 27R, the green reflective liquid crystal module 27G, and the blue reflective liquid crystal module 27B.
To be played on.

[0022]

In the structure of the conventional liquid crystal display module described above, when stress is applied to the package, the liquid crystal panel fixed inside the package is also subjected to a force, and the two liquid crystal panels constituting the liquid crystal panel are constructed. It has been found that there is a problem in that the gap between the substrates changes and the thickness of the liquid crystal layer changes, which causes remarkable display defects such as display unevenness.

Further, in the above conventional liquid crystal panel configuration,
The electrical connection (supply of required voltage) between the electrode of the drive substrate 2 which is the second substrate and the electrode (common electrode 1a) of the common substrate 1 which is the first substrate is performed by conductive bonding at the contact portion 5. Due to the adhesive bonding using the conductive paste, which is a member, local stress is applied between the two substrates at this connection part, and the gap forming the liquid crystal layer fluctuates, which also causes a display defect. I understand.

This is particularly remarkable when this type of liquid crystal display module is applied to a projection type liquid crystal display device.

In a large direct view type liquid crystal panel, spacers of plastic beads or glass beads are dispersed over the entire display area between the substrates in order to keep the gap between the two substrates constant. If the same spacer is used as the spacer, the shadow of the spacer is projected when the image is enlarged and projected.

Therefore, in the projection type liquid crystal panel, glass beads or glass fibers are mixed into the substrate sealant inserted around the display area to form a spacer.

Therefore, in the display area, especially in the vicinity of the central portion, the gap between the substrates changes due to a slight stress, which deteriorates the display quality.

Further, in the projection type liquid crystal display device using the three reflection type liquid crystal modules for red, green and blue,
In order to prevent deterioration of the contrast of the projected image due to the surface reflection of the liquid crystal panel, it is necessary to bond the above three liquid crystal display modules to the dichroic prism for color separation or color combination so as to be in close optical contact.

Further, the liquid crystal display module is pressed against the dichroic prism in order to prevent the displacement between the three liquid crystal display modules during use or during transportation of the above-mentioned optical contact state. It has a fixed structure that holds it in place.

Due to this pressing force, a compressive force is applied between the two substrates of the liquid crystal panel, and there is a risk that the gap of the liquid crystal layer is changed and display unevenness is caused or the panel is broken.

Further, in the above-mentioned conductive paste used for electrical connection in the contact portion 5, the conductive paste expands and contracts due to heat during curing, environmental change, or force applied from the outside, so that stress is applied to both substrates. There is also a problem that the display quality is deteriorated due to the gap variation due to the addition.

It should be noted that this display unevenness does not always appear as an initial defect and may gradually appear with the passage of time.

Further, in the above-mentioned conventional liquid crystal panel configuration, when the image is actually displayed, the drive substrate 2 which is the second substrate is fixed to the package 7 by the adhesive layer 6, so that the adhesive agent is used. Unevenness in layer thickness, stress generated when the adhesive layer is bonded to the second substrate, second substrate 2 and adhesive layer 6
It has been found that there is a problem that due to the stress caused by the difference in the coefficient of thermal expansion between and, unevenness of light and shade similar to the shape of the adhesive layer occurs in the display image output from the liquid crystal panel.

An object of the present invention is to solve the above-mentioned problems of the prior art and to provide a liquid crystal display having a structure that does not affect the gap between two substrates even when stress is applied to the liquid crystal display package. To provide a module.

An object of the present invention is to provide a liquid crystal module using a flexible printed board for power supply, which solves the above-mentioned problems of the prior art.

A further object of the present invention is to provide a projection type liquid crystal display device using the above liquid crystal module.

[0037]

In order to achieve the above object, the invention according to claim 1 provides a first substrate, a second substrate facing the first substrate, and a first substrate. A liquid crystal display module comprising a liquid crystal panel having at least a liquid crystal layer sandwiched in a facing gap of a second substrate, a flexible substrate electrically connected to the second substrate, and a package for holding and holding the liquid crystal panel, A side edge portion that extends outward from the second substrate on at least two sides of the first substrate, and a flexible substrate connection that extends outward from the first substrate on one side of the second substrate. A portion is provided, and the first substrate is fixed to the package at the side edge portion.

With this structure, the first substrate of the liquid crystal panel is mechanically connected to the package and the liquid crystal panel, and the stress applied to the package does not reach the second substrate. A display defect is prevented without causing a change in the gap between the second substrate and the second substrate.

In order to achieve the above object, the invention according to claim 2 provides a first substrate, a second substrate facing the first substrate, a first substrate and a second substrate. A liquid crystal panel having at least a liquid crystal layer sandwiched in a facing gap, a package for containing and holding the liquid crystal panel, and a reflection type liquid crystal display module in which a glass plate or a lens is attached to the liquid crystal panel. A side edge portion extending outward from the second substrate on at least two sides of the second substrate;
A flexible substrate connecting portion extending outwardly from the first substrate is provided on one side of the substrate to fix the package and the side edge portion, and the second substrate is supported by the first substrate. Is characterized by. With this configuration, the pressing force acting on the liquid crystal package acts on the glass plate or the lens via the side edge portion of the first substrate, so that the optical adhesion between the first substrate and the glass plate or the lens is improved. In addition to being sufficiently achieved, since the second substrate is supported only by the first substrate, the gap between the two substrates does not change and the display defect does not occur.

In order to achieve the above object, the invention according to claim 3 is a reflection type in which a liquid crystal panel having a liquid crystal layer sandwiched between a first substrate and a second substrate is mounted in a package. A liquid crystal display module, a dichroic prism installed by laminating the reflection type liquid crystal display module, a light source for illuminating each of the reflection type liquid crystal display module through the dichroic prism, and a reflection light of the reflection type liquid crystal display module. In a projection type liquid crystal display device including an optical system for projecting on a screen, a side edge portion extending outward from the second substrate on at least two sides of the first substrate which constitutes the reflection type liquid crystal display module. And a flexible substrate connecting portion extending outward from the first substrate is provided on one side of the second substrate, and when the package and the side edge portion are fixed. In, characterized in that to support the second substrate in the first substrate.

With this configuration, the liquid crystal layer gap of the liquid crystal panel is prevented from changing, and the position of the liquid crystal display module is not displaced, so that a high quality enlarged image can be obtained.

Further, with this structure, the gap between the substrates of the liquid crystal panel does not change even if the liquid crystal panel is held with a sufficient pressing force against the dichroic prism.
It is possible to maintain a high quality projected image.

[0043]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will now be described in detail with reference to the drawings of the embodiments.

FIG. 1 is a sectional view for explaining one embodiment of a liquid crystal display module according to the present invention, and FIG. 2 is an exploded perspective view of the liquid crystal module of FIG. 1, wherein 1 is a transparent substrate (common substrate or common substrate, In the following, also referred to as a first substrate), 2 is a silicon substrate (driving substrate, hereinafter also referred to as a second substrate), 3 is a liquid crystal layer, and 4 is a first substrate and a second substrate for sealing liquid crystal. Is a seal, 6 is an adhesive, 7 is a package, and 9 is a flexible printed circuit board for supplying power to the liquid crystal panel.

As shown in the figures, in the liquid crystal panel, the side edges 8 of at least two opposite sides (three sides shown in FIG. 2 in this embodiment) of the first substrate 1 are the second side edges. It protrudes from the substrate 2, and the second substrate 2 is fixed to the first substrate 1 with a seal 4. The remaining one side is a fixed side of the flexible printed board 9.

Then, the second substrate 2 side of the side edge 8 of the first substrate 1 is fixed to the upper edge of the package with the adhesive 6.
The second substrate 2 is fixed only to the first substrate 1 by the sealant 4.

In the conventional liquid crystal display module, the second substrate 2 side is fixed to the package 7 with the thermosetting adhesive layer 6 to form a reflection type liquid crystal module, and the first substrate 1 is dichroic with the optical glue 31. Since the prism 26 is closely attached and fixed, when a force is applied to the package, the first substrate and the second substrate are compressed between the dichroic and the gap of the liquid crystal layer is changed. In the configuration, the force applied to the package acts so as to press only the first substrate against the dichroic prism, and does not cause the gap change as in the conventional case.

The back surface of the second substrate 2 and the package 7
It is also possible to prevent unevenness in the displayed image caused by fixing and with an adhesive.

FIG. 3 is a sectional view for explaining a structural example in which a liquid crystal display module according to the present invention and a dichroic prism are bonded together, in which 1 is a first substrate and 2 is a second substrate.
3 is a liquid crystal layer, 6 is an adhesive, 7 is a package, 8 is a side edge of the first substrate, 26 is a dichroic prism, 27 is a reflective liquid crystal module, 31 is optical glue, and 36 is a heat dissipation sheet.

In the figure, the liquid crystal panel and the package 7 are shown.
Means that the liquid crystal panel is fixed on the side edge 8 of the first substrate 1 with an adhesive 6 to form a reflection type liquid crystal module, and further the first substrate 1 is adhered to the dichroic prism 26 with an optical paste 31. Fixed.

The liquid crystal layer used is a polymer dispersed liquid crystal (PDLC) in which a liquid crystal material is dispersed in a polymer matrix.
Thus, the state of scattering light changes to the state of transmitting light according to the applied voltage. Therefore, a reflective liquid crystal panel using this liquid crystal layer changes from the state of scattering light to the state of regular reflection by the reflective pixel electrode formed on the second substrate according to the voltage applied to the liquid crystal layer. To form an image.

The optical glue 31 is made of silicone oil or the like having a refractive index substantially equal to that of the dichroic prism 26. The generation of reflected light at the interface between the first substrate 1 and the dichroic prism 26, loss of light amount, contrast of projected image. Prevent the deterioration.

Further, without using the dichroic prism,
When color separation is performed using a color filter, the liquid crystal panel may be a glass plate or lens coated with anti-reflection and coated with silicone oil or the like having substantially the same refractive index and fixed in close contact therewith.

An ultraviolet curable resin or a thermosetting resin is used as the adhesive 6, and the package 7 is made of a member having a thermal expansion coefficient similar to that of the first substrate 1, for example, the first substrate is made of barium borosilicate glass. In this case, it is desirable to use ceramics or liquid crystal polymer. Due to the structure of this embodiment,
Even if the package 7 is pressed against the dichroic prism 26, since the pressing force does not act on the second substrate 2, the gap of the liquid crystal layer does not change.

Therefore, the projection type liquid crystal display device using this liquid crystal display module can maintain a high quality projected image.

In order to improve the heat dissipation effect, as shown in FIG. 3, a heat dissipation sheet 36 made of elastomer or the like having high thermal conductivity and elasticity is uniformly provided between the second substrate 2 and the package 7. May be filled.

FIG. 4 is a sectional view taken along the line AA of FIG. 2, FIG. 5 is a sectional view taken along the line BB of FIG. 2, and FIG. 6 is a sectional view taken along the line C- of FIG.
In the cross-sectional view taken along line C, 8a and 8b are anisotropic conductive films, 15a and 15b are common electrode connection terminals, and 9b is a drive electrode connection terminal.

In this embodiment, the common electrode 1a (FIG. 2) formed on the first substrate 1 and the connection terminal portion 2b formed on the second substrate 2 and connected to the lead wire of the drive electrode are one. The flexible printed circuit boards 9 are connected at the same end.

That is, the common electrode connection terminals 15a, 15
b is formed on the first substrate 1 side of the flexible printed circuit board 9 so that the conductive surface is exposed, and the drive electrode connecting terminal 9b is formed.
Is formed on the second substrate 2 side (the side opposite to the first substrate 1) so that the conductive surface is exposed.

Then, the common electrode connection terminals 15a and 15b are connected to the common electrode 1a of the first substrate 1 through the anisotropic conductive film 8a, and the drive electrode connection terminals are connected to the connection terminal portion 2b of the second substrate 2. 9b are pressure-bonded and connected via the anisotropic conductive film 8b. The other structure is the same as that of the conventional liquid crystal panel described with reference to FIG.

Therefore, the common electrode 1a of the first substrate 1
Since the conductive paste as in the prior art is not used to electrically connect the second electrode 2 and the second electrode 2, local stress due to the electrical connection structure of both substrates does not occur.

With this structure, due to the local stress at the conductive connection portion generated by the conductive connection between the first substrate and the second substrate using the conventional conductive paste and the external force applied to the entire substrate. Gap fluctuations in the liquid crystal layer are avoided, and high quality image display is possible. FIG. 7 is an explanatory view of one embodiment of the flexible printed circuit board according to the present invention.
7A is a top view, FIG. 7B is a front view seen from the direction of arrow D in FIG. 7A, and FIG. 7C is along the line EE in FIG. 7A. FIG.

In the figure, 9 is a flexible printed circuit board, 10 is a flexible base film, 11 is a flexible cover film, 11a is a flexible cover film for the common electrode connection terminal portion, 12 is a conductive strip. Reference numeral 14 is a reinforcing film, 15a and 15b are common electrode connection terminals, and 9b is a drive electrode connection terminal.

As shown in the figure, the flexible printed board 9 has a large number of conductive strips 12 between a flexible base film 10 and a flexible cover film 11, and the conductive strips 12 are provided at both ends. Terminal portions 17 and 18 are formed on the.

Then, the conductive strips located at both ends in the width direction of the one terminal portion 17 have flexible base films 10.
Exposed to the side to serve as a common electrode connection terminal, and the remaining conductive strips exposed to the flexible cover film 11 side to serve as drive electrode connection terminals.

Each of the common electrode connecting terminal 15 and the drive electrode connecting terminal 9b of one terminal portion 17 of the flexible printed board 9 is connected to the common electrode 1a of the first board 1 as shown in FIGS. It is superposed on the connection terminal portion 2b of the second substrate 2 and is connected via the anisotropic conductive films 8a, 8a.

A reinforcing film 14 is attached to the other terminal portion 18 to prevent deformation of the terminal portion. In addition, a reinforcing film may be similarly attached to the terminal portion 17 to reinforce it.

By using one of this flexible printed circuit board, it is possible to simultaneously connect the common electrode connection terminals 15a and 15b and the opposing terminals located on the drive electrode connection terminal 9b side respectively.

Although the polymer dispersion type liquid crystal is used as the liquid crystal layer in the above-mentioned embodiment of the liquid crystal panel, the present invention is not limited to this, and a TN (twisted nematic) liquid crystal which is generally used at present is used. The same applies to the used liquid crystal panel. Further, not only the reflective liquid crystal module, but also when a transmissive liquid crystal panel is used, the second substrate can be a transparent substrate and the package can be similarly applied as a transmissive type.

[0070]

As described above, according to the liquid crystal display device and the projection type liquid crystal display device of the present invention, there is no change in the gap of the liquid crystal layer due to the pressing force required for attachment to the dichroic prism, and high quality is achieved. It is possible to obtain an enlarged image of.

[Brief description of drawings]

FIG. 1 is a cross-sectional view illustrating one embodiment of a liquid crystal display device according to the present invention.

FIG. 2 is a developed perspective view of the liquid crystal display device of FIG.

FIG. 3 is a cross-sectional view illustrating a structural example in which a liquid crystal display device according to the present invention and a dichroic prism are bonded together.

FIG. 4 is a cross-sectional view taken along the line AA of FIG.

5 is a cross-sectional view taken along the line BB of FIG.

6 is a cross-sectional view taken along the line CC of FIG.

FIG. 7 is an explanatory diagram of one embodiment of a flexible substrate according to the present invention.

FIG. 8 is a developed perspective view illustrating a structural example of a conventional small liquid crystal panel.

9 is a cross-sectional view taken along the line FF of FIG.

10 is a cross-sectional view illustrating a structural example in which a reflective liquid crystal module in which the liquid crystal panel described in FIG. 8 is fixed to a package is attached to a dichroic prism.

FIG. 11 is a schematic view of an optical system for explaining an example of a projection type liquid crystal display device using a liquid crystal display module.

[Explanation of symbols]

1 Transparent substrate (first substrate) 1a common electrode 2 Silicon substrate (second substrate) 2b Connection terminal part 3 Liquid crystal layer 4 seals 6 adhesive 7 packages 8 side edges 9 Flexible printed circuit board 20 light sources 21 Parabolic mirror 22 Condenser lens 23 Reflector 24 First diaphragm 25 lenses 26 Dichroic prism 27R Red reflective liquid crystal module 27G Green reflective LCD module 27B Blue reflective liquid crystal module 28 Second diaphragm 29 Projection lens 30 screens.

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuo Takemoto 3300 Hayano, Mobara-shi, Chiba Hitachi, Ltd. Electronic Device Division (72) Inventor Toshio Miyazawa 3300 Hayano, Mobara-shi, Chiba Hitachi Electronics Device Division (72) Inventor Katsutoshi Saito 3300, Hayano, Mobara-shi, Chiba Hitachi, Ltd. Electronic Devices Division (72) Inventor Shu Iguchi, 3681, Hayano, Mobara-shi, Chiba Hitachi Device Engineering Co., Ltd. (56) Reference Documents JP-A-1-237591 (JP, A) JP-A-7-244265 (JP, A) JP-A-7-281183 (JP, A) JP-A-4-319910 (JP, A) JP-A-7- 218890 (JP, A) (58) Fields surveyed (Int.Cl. ⁷ , DB name) G02F 1/1333 G02F 1/13 G02F 1/1345

Claims (3)

(57) [Claims] 1. A first substrate and a second substrate facing the first substrate.
And a liquid crystal panel having at least a liquid crystal layer sandwiched in a facing gap between the first substrate and the second substrate;
A flexible substrate electrically connected to the substrate, a package for housing and holding the liquid crystal panel, and the first substrate.
A glass plate or a lens attached to the plate , at least two sides of the first substrate, a side edge portion extending outward from the second substrate, and one side of the second substrate. A flexible board connecting portion extending outward from the first board is provided, and the flexible board connecting portion is provided at an end of the flexible board.
A first connection terminal for connecting to a connection part of the printed circuit board,
A second electrode connected to a common electrode provided on a side edge portion of the substrate of
And the second connection terminal is the first connection terminal.
The first connecting terminal is formed in parallel at both ends in the width direction,
In the side edge portion of the substrate, a liquid crystal display device characterized by comprising fixed to the package. 2. A first substrate and a second substrate facing the first substrate.
A substrate of a liquid crystal panel having at least a liquid crystal layer sandwiched first substrate and the opposing gap of the second substrate, the liquid crystal
A flexible substrate electrically connected to the pulse; a package for containing and holding a liquid crystal panel; and a reflective liquid crystal display module in which a glass plate or a lens is attached to the liquid crystal panel, and at least the first substrate A side edge portion extending outward from the second substrate on two sides, and a first side portion on one side of the second substrate.
A flexible board connecting portion extending outward from the board of the flexible board, and the flexible board connecting portion is provided at an end of the flexible board.
A first connection terminal connected to the sibble board connection portion;
No. 1 connected to the common electrode provided on the side edge portion of the first substrate
Two connection terminals are provided, and the second connection terminal is
Rutotomoni formed in parallel in the width direction ends of the first connecting pin, fixed to said second substrate and the first substrate with sealant
Thus , the projection type liquid crystal display device , wherein the second substrate is supported by the first substrate. 3. A reflection type liquid crystal display module, in which a liquid crystal panel having a liquid crystal layer sandwiched between a first substrate and a second substrate is mounted in a package, and the reflection type liquid crystal display module is attached to the reflection type liquid crystal display module. In a projection type liquid crystal display device comprising a dichroic prism, a light source for illuminating each of the reflection type liquid crystal display module via the dichroic prism, and an optical system for projecting reflected light of the reflection type liquid crystal display module onto a screen. A side edge portion extending outward from the second substrate on at least two sides of the first substrate that constitutes the reflective liquid crystal display module, and a first substrate on one side of the second substrate. flexible board connecting part which extends outward is provided, the full
The flexible board is connected to the end of the flexible board.
Connection terminal to be connected to a portion, and a side edge of the first substrate
A second connection terminal connected to the common electrode provided in the portion
And the second connection terminal is the first connection terminal.
It is the width direction ends of the formed in parallel Rutotomoni, the second group
The projection type liquid crystal display device , wherein the second substrate is not supported by the package but is supported by the first substrate by fixing the plate and the first substrate with a sealant .