JP2004133099A - Liquid crystal panel unit and liquid crystal display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem of chattering noise due to vibration of a liquid crystal panel when a speaker is provided, since clearance to absorb flexure of the liquid crystal panel and a holding frame body themselves and dimensional variation thereof becomes necessary in the case of a large sized liquid crystal display device. <P>SOLUTION: The liquid crystal panel unit is provided with the liquid crystal panel and the holding frame to hold the peripheral part of the liquid crystal panel. Besides the holding frame comprises two holding frames and is provided with an opening to fill in an adhesive and another opening for ultraviolet ray irradiation. Thereby a structure in which the adhesive is completely cured, in the case the liquid crystal panel is fixed with the adhesive, is provided. No pooling phenomenon (no waving phenomenon) occurs on a display screen and further the occurrence of chattering noise due to vibration of the liquid crystal panel caused by the speaker is prevented. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a liquid crystal panel unit including a holding frame for holding a liquid crystal panel, and a liquid crystal display device including the liquid crystal panel unit and a backlight unit that reflects light emitted from a light source in a predetermined direction. .
[0002]
[Prior art]
As a conventional liquid crystal display device for fixing a liquid crystal panel, those shown in a perspective view of FIG. 22 and a schematic sectional view of FIG. 23 are known (for example, Patent Document 1). According to Japanese Patent Application Laid-Open No. 2000-147469, the outer frame member 43 is made of a synthetic resin, and has a recess 42 a that is fitted with the liquid crystal panel 47. An opening 42b is formed at the bottom of the recess 42a at a position corresponding to the display surface of the liquid crystal panel 47, and an adhesive injection section 42c is formed at a plurality of locations on the peripheral wall 42d.
[0003]
Further, the liquid crystal panel 47 and the outer frame member 43 are integrated by filling and curing the ultraviolet curable resin 41 as an adhesive in the plurality of injection portions 42c. By simply fitting the liquid crystal panel 47 into the recess 42a of the outer frame member 43, the liquid crystal panel 47 can be positioned and temporarily fixed in the recess 42a, and the resin 41 is locally applied to the injection portion 42c. After that, a technique is described in which the liquid crystal panel 47 and the outer frame member 43 can be integrally fixed by irradiating and curing ultraviolet rays.
[0004]
[Patent Document 1]
JP 2000-147469 A
[Problems to be solved by the invention]
As described in JP-A-2000-147469 described above, when the liquid crystal panel and the outer frame member are completely fixed and integrated with an adhesive, stress is applied to a part of the display portion of the liquid crystal panel, and the pooling is performed. There is a problem that (undulation phenomenon) may occur on the display screen.
[0006]
In particular, in a large-sized liquid crystal display device, the liquid crystal panel and the holding frame itself are bent, and the dimensions of the liquid crystal panel and the holding frame vary, so that a gap is required to escape the deflection and the variation. However, if a gap is provided in each case, play will occur due to the gap. If a speaker is provided, the liquid crystal panel will vibrate due to the vibration, and chatter will occur.
[0007]
Further, when the liquid crystal panel is firmly fixed to the outer frame member against an external impact, the liquid crystal panel often breaks, and pooling (undulating phenomenon) occurs on the display screen. The position of the positioning member can be roughly determined, but it is difficult to fix the liquid crystal panel both horizontally and vertically.
[0008]
The present invention provides a structure in which the adhesive is completely cured when the liquid crystal panel is fixed with the adhesive, and does not cause the phenomenon of pooling (undulating phenomenon) on the display screen and the vibration of the liquid crystal panel by the speaker. It is an object to provide a liquid crystal panel unit and a liquid crystal display device that prevent chattering noise. It is another object of the present invention to provide a liquid crystal panel unit and a liquid crystal display device that prevent the liquid crystal panel from being damaged by an impact during movement.
[0009]
[Means for Solving the Problems]
Therefore, in order to solve the above problem, the present invention provides a liquid crystal panel having a liquid crystal material sandwiched between two opposing transparent insulating substrates, and a holding frame body for sandwiching a peripheral portion of the liquid crystal panel. In the liquid crystal panel unit provided, the holding frame includes an opening for filling the adhesive and an opening for irradiating ultraviolet rays. This structure provides a structure in which the adhesive is completely cured when the liquid crystal panel is fixed with the adhesive, prevents the display screen from having a pooling phenomenon, and prevents the liquid crystal from being generated by the speaker. Chattering noise due to panel vibration can be prevented. Further, since an opening for irradiating ultraviolet rays is provided separately, the fixing of the liquid crystal panel does not become unstable when the adhesive is in an uncured state. Further, it is possible to prevent the liquid crystal panel from being damaged due to an impact during the movement.
[0010]
Further, in a liquid crystal panel comprising a liquid crystal panel sandwiching a liquid crystal material between two opposing transparent insulating substrates, and a clamping frame for clamping a peripheral portion of the liquid crystal panel, the clamping frame is A first holding frame provided on the back side of the liquid crystal panel, and a second holding frame provided on the front side of the liquid crystal panel, wherein at least one of the first and second holding frames is provided. The holding frame is provided with a plurality of openings for filling an adhesive, and the other holding frame is filled with the adhesive from the opening in a state where the peripheral edge of the liquid crystal panel is overlapped, and the second A liquid crystal panel unit comprising a plurality of openings for irradiating the holding frame with ultraviolet rays.
[0011]
The opening for filling the adhesive provided in the holding frame body is provided at a portion corresponding to a peripheral portion of a front portion or a rear portion of the liquid crystal panel, and is irradiated with ultraviolet light provided in the holding frame body. The liquid crystal panel unit is characterized in that a plurality of openings are provided at portions corresponding to side surfaces of the liquid crystal panel. By forming in this manner, the opening for irradiating ultraviolet rays is provided on the side surface of the liquid crystal panel, so that the fixing of the liquid crystal panel does not become unstable due to the uncured adhesive.
[0012]
At this time, the holding frame and the liquid crystal panel are filled with an adhesive, or the opening of the holding frame, the liquid crystal panel and the holding frame is filled with an adhesive. Liquid crystal panel unit.
[0013]
Alternatively, the liquid crystal panel includes a first transparent insulating substrate on a display back surface side and a second transparent insulating substrate on a display surface side, and includes the holding frame and the first transparent liquid crystal panel. A liquid crystal panel unit is characterized in that the periphery of the transparent insulating substrate is filled with an adhesive. By forming the liquid crystal panel in this manner, even if the liquid crystal panel is fixed, the phenomenon of pooling (undulating phenomenon) does not occur on the display screen, and chatter due to vibration of the liquid crystal panel by the speaker can be prevented.
[0014]
Further, the liquid crystal panel unit is characterized in that the adhesive is an ultraviolet curable adhesive and has a hardness after curing of 20 to 100 (JIS A). Since the ultraviolet curing adhesive is used, the curing time is 60 seconds or less, so that the productivity is good.
[0015]
In addition, the liquid crystal display device includes any one of the liquid crystal panel units described above, a light source that illuminates the liquid crystal panel from the back side of the liquid crystal panel, and a reflector provided on the back side of the liquid crystal panel so as to surround the light source. A liquid crystal display device comprising a light source unit, the liquid crystal panel unit, and a housing for fixing the light source unit. With such a configuration, the liquid crystal display device is provided with a bass speaker that outputs sound without causing the phenomenon of pooling (undulating phenomenon) on the display screen, and the chattering sound caused by the vibration of the liquid crystal panel by the speaker. Can be prevented. Further, it is possible to prevent the liquid crystal panel from being damaged due to an impact during the movement.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a liquid crystal panel unit and a liquid crystal display device according to the first embodiment of the present invention will be described with reference to the drawings. FIG. 1A is a front view of the liquid crystal display device of the present invention, and FIG. 1B is a right side view. FIG. 2 is a schematic cross-sectional view showing a cross section taken along the line AA of FIG.
[0017]
3 to 5 show the configuration of the liquid crystal panel unit. FIG. 3 is a plan view of the first holding frame, and FIG. 4 shows a case where the liquid crystal panel is arranged on the first holding frame. FIG. 5 is a plan view when a second holding frame is arranged on the liquid crystal panel shown in FIG.
[0018]
As shown in FIG. 1, the liquid crystal display device includes a speaker (woofer) 5 for reproducing a low frequency range, and a pair of left and right speakers 4 and 4 for reproducing a middle and high frequency range on the left and right sides of the woofer. And a stand support 2 for supporting the stand. 12C is a display surface of the liquid crystal screen.
[0019]
The liquid crystal panel 12 has a liquid crystal material sandwiched between two opposing transparent insulating substrates, and the liquid crystal panel unit has a holding frame body 10 that sandwiches the periphery of the liquid crystal panel 12 and the liquid crystal panel 12. It is provided with a configuration.
[0020]
The backlight unit includes a lamp 7, a reflector 6 for reflecting light from the lamp 7 to the front side, and light directly incident from the lamp or from the lamp, which is disposed on the front side of the lamp. A light diffusing plate for diffusing the light guided by the light reflected by the reflection plate; and a light diffusing plate and an optical sheet for improving and uniforming the luminance. The configuration is such that the liquid crystal panel 12 arranged on the side is illuminated.
[0021]
The lamp 7 is formed of a linear fluorescent lamp, and the reflecting plate 6 is formed such that the surface on the side of the linear fluorescent lamp 7 has a high reflectance in the visible light region, and the linear fluorescent lamp is moved to the diffusion plate 14 side. 7 is reflected. The lamp 7 is attached to the reflector 6 by a lamp holder 8, and the reflector 6 and the holding frame 10 are fixed by a support 9 made of zinc die cast or the like.
[0022]
Further, as shown in FIGS. 3 to 5, the holding frame body 10 includes a first holding frame body 10 a provided on the back side of the liquid crystal panel 12 and a second holding frame body provided on the front side of the liquid crystal panel 12. The liquid crystal panel unit and the backlight unit are configured by a holding frame body 10b, and are fixed by a front housing 16 and a rear housing 17.
[0023]
The configuration of the liquid crystal panel unit will be described in more detail with reference to FIGS. The cushioning material 20 made of rubber or the like is adhesively fixed to the four corners of the first holding frame body 10a with an adhesive or a double-sided tape, and the liquid crystal panel 12 is formed based on the hook-shaped positioning members 24 provided at the four corners. Are arranged on the cushioning member 20 of the first holding frame 10a. Note that the positioning member 24 has a thickness substantially the same as the thickness of the liquid crystal panel 12. Next, a second holding frame 10b provided with a plurality of openings 27 and a cushioning material 20 made of rubber or the like is overlaid and fixed on the liquid crystal panel. In the above, a part of the periphery of the liquid crystal panel 12 is configured to be exposed from the opening 27.
[0024]
The liquid crystal panel unit and the liquid crystal display device according to the first embodiment of the present invention will be described in more detail. 12 to 15 and FIG. 20 are enlarged sectional views of (a) part in FIG. 2 which is a schematic sectional view of the liquid crystal display device, and BB arrow of FIG. 5 which is a plan view of the liquid crystal panel unit. It is also a sectional view of a portion corresponding to a viewing section.
[0025]
The liquid crystal panel 12 is composed of a first transparent insulating substrate 12a on the display back side and a second transparent insulating substrate 12b on the display surface side, and is connected to a driving circuit terminal (not shown) of the liquid crystal panel. In relation, there are two types of cross-sectional shapes.
[0026]
For example, as shown in FIG. 14, the first transparent insulating substrate 12a and the second transparent insulating substrate 12b have the same shape, so that the cross section is vertical, and as shown in FIG. In some cases, the first transparent insulating substrate 12a is larger than the second transparent insulating substrate 12b, and thus has a stepped shape.
[0027]
12, a liquid crystal panel unit including a liquid crystal panel 12, a first holding frame 10a provided on the back side of the liquid crystal panel 12, and a second holding frame 10b provided on the front side of the liquid crystal panel 12 has: It is fixed to a support base 9 made of zinc die cast or the like by a fixing member 30. The liquid crystal panel 12 has a stepped shape because the first transparent insulating substrate 12a is larger than the second transparent insulating substrate 12b. The adhesive 28 is filled in the first holding frame 10a, the first transparent insulating substrate 12a, and the second transparent insulating substrate 12b. The adhesive 28 is filled from the opening 27 of the second holding frame 10b. Ultraviolet rays are applied to the adhesive 28 from the opening 38 provided in the second holding frame 10b to be cured and fixed. Since the adhesive 28 is filled on both sides of the periphery of the liquid crystal panel, the adhesive strength is high.
[0028]
The adhesive is an ultraviolet-curing adhesive, and is cured in a short time by irradiating ultraviolet rays from an ultraviolet lamp for 3 seconds to 60 seconds, and is excellent in productivity. As the UV-curable adhesive, TSE350, 3502, 3503, 3504, 3562, 3453, 3450, 3466 or the like manufactured by GE Toshiba Silicone Co., Ltd. is used. The cured adhesive has a hardness of 30 to 80 (JIS A) and is a soft adhesive. Since the opening 38 for ultraviolet irradiation is provided, an uncured portion can be prevented.
[0029]
In the following description, only the points different from those in FIG. 12 will be described. In FIG. 13, the adhesive 28 is applied to the first holding frame 10a, the first transparent insulating substrate 12a, the second transparent insulating substrate 12b, and the opening 27 of the second holding frame 10b. Is filled.
[0030]
In FIG. 14, the first transparent insulating substrate 12a and the second transparent insulating substrate 12b have the same shape, and the adhesive 28 includes the first holding frame 10a, the first transparent insulating substrate 12a, The second transparent insulating substrate 12b is filled. In FIG. 15, the first transparent insulating substrate 12a and the second transparent insulating substrate 12b have the same shape, and the adhesive 28 includes the first holding frame 10a, the first transparent insulating substrate 12a, The second transparent insulating substrate 12b and the opening 27 of the second holding frame 10b are filled. In FIG. 20, the adhesive 28 is filled only in the first holding frame 10a and the first transparent insulating substrate 12a.
[0031]
Although not shown, the adhesive 28 is applied to the opening 27 of the second holding frame 10b and the liquid crystal panel 12 (the first transparent insulating substrate 12a and the second transparent insulating substrate 12b are less). And one of them may be filled.
[0032]
As described in detail above, the liquid crystal panel is fixed with a soft ultraviolet-curing adhesive and has a separate opening for irradiating ultraviolet light, so that chatter due to vibration of the liquid crystal panel by the speaker is prevented. In addition, it is effective in preventing the liquid crystal panel from being damaged due to the impact during movement. Also, since the adhesive is completely cured, the liquid crystal panel is stably fixed. Since the liquid crystal panel is fixed with a cushioning property and only the first transparent insulating substrate 12a on the rear surface of the display constituting the liquid crystal panel 12 is fixed, pooling (undulating phenomenon) does not occur on the display screen. In the above description, an example in which a direct-type backlight device is used as a light source unit has been described. However, the present invention is not limited to this, and a similar effect can be obtained with a side-etch type light source device.
[0033]
Next, an example in which the first embodiment is modified will be described as a second embodiment with reference to the drawings. 1 and 2 are the same as those in the first embodiment, and the description will not be repeated here. 6 is a plan view of a first holding frame, FIG. 7 is a plan view of a case where a liquid crystal panel is arranged on the first holding frame, and FIG. 8 is a plan view of a second holding frame on the liquid crystal panel of FIG. It is a top view at the time of arrange | positioning a frame.
[0034]
The configuration of the liquid crystal panel unit will be described with reference to FIGS. A buffer member 20 made of rubber or the like is adhesively fixed to the four corners of the first holding frame body 10a provided with the plurality of openings 37 with an adhesive or a double-sided tape, and a hook-shaped positioning member provided at the four corners is provided. The liquid crystal panel 12 is arranged on the cushioning member 20 of the first holding frame 10a based on the member 24. Note that the positioning member 24 has a thickness substantially the same as the thickness of the liquid crystal panel 12. Next, a second holding frame 10b provided with a cushioning material 20 made of rubber or the like on the liquid crystal panel is placed and fixed in an overlapping manner. In the above, a part of the peripheral portion of the liquid crystal panel 12 is configured to be exposed from the opening 37.
[0035]
A liquid crystal panel unit and a liquid crystal display device according to a second embodiment of the present invention will be described in more detail with reference to the drawings. 16 to 19 and FIG. 21 are enlarged sectional views of (b) part in FIG. 2 which is a schematic sectional view of the liquid crystal display device, and CC arrows of FIG. 8 which is a plan view of the liquid crystal panel unit. It is also a sectional view of a portion corresponding to a viewing section.
[0036]
In FIG. 16, a liquid crystal panel unit including a liquid crystal panel 12, a first holding frame 10a provided on the back side of the liquid crystal panel 12, and a second holding frame 10b provided on the front side of the liquid crystal panel 12 includes: It is fixed to a support base 9 made of zinc die cast or the like by a fixing member 30. The liquid crystal panel 12 has a stepped shape because the first transparent insulating substrate 12a is larger than the second transparent insulating substrate 12b. The peripheral portion of the liquid crystal panel is arranged below the cushioning material 32, and the adhesive is filled in the second holding frame 10b, the first transparent insulating substrate 12a, and the second transparent insulating substrate 12b. .
[0037]
Further, the adhesive is preferably an ultraviolet curable adhesive. The ultraviolet-curable adhesive is cured in a short time by irradiating ultraviolet rays from an ultraviolet lamp for 3 seconds to 60 seconds, and is excellent in productivity. As the UV-curable adhesive, TSE350, 3502, 3503, 3504, 3562, 3453, 3450, 3466 or the like manufactured by GE Toshiba Silicone Co., Ltd. is used. The cured adhesive has a hardness of 30 to 80 (JIS A) and is a soft adhesive.
[0038]
In the following description, only the points different from those in FIG. 16 will be described. In FIG. 17, the adhesive is filled into the second holding frame 10b, the first transparent insulating substrate 12a, the second transparent insulating substrate 12b, and the opening 37 of the first holding frame 10a. Have been. In FIG. 18, the first transparent insulating substrate 12a and the second transparent insulating substrate 12b have the same shape, and the adhesive is applied to the second holding frame 10b, the first transparent insulating substrate 12a, and the second transparent insulating substrate 12a. 2 transparent insulating substrate 12b.
[0039]
In FIG. 19, the first transparent insulating substrate 12a and the second transparent insulating substrate 12b have the same shape, and the adhesive is applied to the second holding frame 10b and the first transparent insulating substrate 12a. , The second transparent insulating substrate 12b and the opening 37 of the first holding frame 10a. In FIG. 21, the adhesive is filled only in the second holding frame 10b and the first transparent insulating substrate 12a.
[0040]
Although not shown, the adhesive 28 is applied to the opening 37 of the first holding frame 10a and the liquid crystal panel 12 (the first transparent insulating substrate 12a and the second transparent insulating substrate 12b are less). And one of them may be filled.
[0041]
As described in detail above, the liquid crystal panel is fixed with a soft ultraviolet-curing adhesive and has a separate opening for irradiating ultraviolet light, so that chatter due to vibration of the liquid crystal panel by the speaker is prevented. In addition, it is effective in preventing the liquid crystal panel from being damaged due to the impact during movement. Also, since the adhesive is completely cured, the liquid crystal panel is stably fixed. Further, since the liquid crystal panel is fixed with a cushioning property and only the first transparent insulating substrate 12a on the back side of the display constituting the liquid crystal panel 12 is fixed, pooling (undulating phenomenon) does not occur on the display screen.
[0042]
Further, an example in which the second embodiment is modified will be described as a third embodiment with reference to the drawings. FIGS. 1 and 2 are the same as those in the first embodiment, and a description thereof will be omitted. FIG. 9 is a plan view of a first holding frame, FIG. 10 is a plan view of a case where a liquid crystal panel is arranged on the first holding frame, and FIG. 11 is a plan view of a second holding frame on the liquid crystal panel of FIG. It is a top view at the time of arrange | positioning a frame. Since the third embodiment has a configuration having both the first embodiment and the second embodiment, the same symbols are used for the overlapping portions, and the description is omitted.
[0043]
The configuration of the liquid crystal panel unit will be described with reference to FIGS. In the first holding frame 10a provided with the plurality of openings 37, cushioning materials 19 and 20 made of rubber or the like are adhesively fixed to the four corners with an adhesive or a double-sided tape, and are hook-shaped provided at the four corners. The liquid crystal panel 12 is arranged on the cushioning members 19 and 20 of the first holding frame 10a based on the positioning member 24. Note that the positioning member 24 has a thickness substantially the same as the thickness of the liquid crystal panel 12. Next, a second holding frame 10b provided with a plurality of openings 27 and a cushioning material 20 made of rubber or the like is overlaid and fixed on the liquid crystal panel. In the above, a part of the periphery of the liquid crystal panel 12 is configured to be exposed from the openings 27 and 37. The opening 37 provided in the first holding frame 10a and the opening 27 provided in the second holding frame 10b are provided at different positions so as not to overlap with each other.
[0044]
A liquid crystal panel unit and a liquid crystal display device according to a third embodiment of the present invention will be described in more detail with reference to the drawings. 12 to 15 and FIG. 20 are enlarged sectional views of (a) part in FIG. 2 which is a schematic sectional view of the liquid crystal display device, and BB arrow of FIG. 11 which is a plan view of the liquid crystal panel unit. It is also a sectional view of a portion corresponding to a viewing section. Note that the above drawings are the same as those described in the liquid crystal panel unit and the liquid crystal display device according to the first embodiment, and will not be described because they will be redundantly described.
[0045]
16 to 19 and FIG. 22 are enlarged cross-sectional views of (b) portion in FIG. 2 which is a schematic cross-sectional view of the liquid crystal display device, and are CC plan arrows of FIG. 11 which is a plan view of the liquid crystal panel unit. It is also a sectional view of a portion corresponding to a viewing section. Note that the above drawings are the same as those described for the liquid crystal panel unit and the liquid crystal display device according to the second embodiment, and thus will not be described because they will be redundantly described.
[0046]
As described in detail above, the liquid crystal panel is fixed with a soft ultraviolet-curing adhesive and has a separate opening for irradiating ultraviolet light, so that chatter due to vibration of the liquid crystal panel by the speaker is prevented. In addition, it is effective in preventing the liquid crystal panel from being damaged due to the impact during movement. Also, since the adhesive is completely cured, the liquid crystal panel is stably fixed. Further, since the liquid crystal panel is fixed with a cushioning property and only the first transparent insulating substrate 12a on the back side of the display constituting the liquid crystal panel 12 is fixed, pooling (undulating phenomenon) does not occur on the display screen. Furthermore, since the size of the liquid crystal panel is increasing, a method of fixing the liquid crystal panel from both sides is an effective means.
[0047]
【The invention's effect】
As described above, according to the present invention, in a liquid crystal panel unit including a liquid crystal panel and a holding frame for holding a peripheral portion of the liquid crystal panel, the holding frame has an opening for filling an adhesive. And a liquid crystal panel unit having an opening for irradiating ultraviolet rays, so that a pooling phenomenon does not occur on a display screen, and an opening for irradiating ultraviolet rays is separately provided. Therefore, the fixing of the liquid crystal panel does not become unstable when the adhesive is in an uncured state.
[0048]
Further, the holding frame includes a first holding frame provided on the back side of the liquid crystal panel and a second holding frame provided on the front side of the liquid crystal panel. At least one of the holding frames is provided with a plurality of openings for filling the adhesive, and the other holding frame is filled with the adhesive from the openings in a state where the periphery of the liquid crystal panel is overlapped with the second holding frame. By forming a liquid crystal panel unit having a plurality of openings for irradiating the holding frame with ultraviolet rays, the phenomenon of pooling (undulating phenomenon) does not occur on the display screen and the openings for irradiating ultraviolet rays are formed. Since it is provided separately, the fixing of the liquid crystal panel does not become unstable when the adhesive is in an uncured state. Further, it is possible to prevent the liquid crystal panel from being damaged due to an impact during the movement.
[0049]
Further, the adhesive is an ultraviolet curable adhesive, and by setting a liquid crystal panel unit having a hardness after curing of 20 to 100 (JIS A), chattering due to vibration of the liquid crystal panel by a speaker is prevented. In addition, since the curing time is within 60 seconds, the productivity is good.
[0050]
And a light source unit including any one of the above liquid crystal panel units, a light source for illuminating the liquid crystal panel from the back side of the liquid crystal panel, and a reflector provided on the back side of the liquid crystal panel and surrounding the light source. And a liquid crystal display device having a housing for fixing the liquid crystal panel unit and the light source unit, thereby preventing the phenomenon of pooling (waving phenomenon) on the display screen and providing a bass speaker for outputting sound. Even in the case of a liquid crystal display device, chatter caused by vibration of the liquid crystal panel by the speaker can be prevented. Further, it is possible to prevent the liquid crystal panel from being damaged due to an impact during the movement.
[Brief description of the drawings]
FIG. 1A is a front view of a liquid crystal display device according to the present invention.
(B) is a right side view of (a).
FIG. 2 is a schematic sectional view showing a section taken along the line AA of FIG. 1;
FIG. 3 is a plan view of a first holding frame according to the first embodiment of the present invention.
FIG. 4 is a plan view when a liquid crystal panel is arranged on a first holding frame body of FIG. 3;
FIG. 5 is a plan view showing a case where a second holding frame is disposed on the liquid crystal panel of FIG. 4;
FIG. 6 is a plan view of a first holding frame according to a second embodiment of the present invention.
FIG. 7 is a plan view showing a case where a liquid crystal panel is arranged on a first holding frame body of FIG. 6;
8 is a plan view showing a case where a second holding frame is arranged on the liquid crystal panel of FIG. 7;
FIG. 9 is a plan view of a first holding frame according to a third embodiment of the present invention.
FIG. 10 is a plan view when a liquid crystal panel is arranged on a first holding frame body of FIG. 9;
11 is a plan view showing a case where a second holding frame is arranged on the liquid crystal panel of FIG. 10;
FIG. 12 is an enlarged cross-sectional view of a portion (a) in FIG. 2 of the liquid crystal display device according to the first embodiment of the present invention, and a cross section of a portion of the liquid crystal panel unit corresponding to a cross section taken along line BB of FIG. FIG.
13 is another example of the liquid crystal display device according to the first embodiment of the present invention. FIG. 13 is an enlarged sectional view of a portion (a) in FIG. It is sectional drawing of a corresponding part.
14 is another example of the liquid crystal display device according to the first embodiment of the present invention. FIG. 14 is an enlarged sectional view of a portion (a) in FIG. It is sectional drawing of a corresponding part.
15 is another example of the liquid crystal display device according to the first embodiment of the present invention. FIG. 15 is an enlarged cross-sectional view of a portion (a) in FIG. It is sectional drawing of a corresponding part.
FIG. 16 is an enlarged cross-sectional view of a portion (b) in FIG. 2 of the liquid crystal display device according to the second embodiment of the present invention, and schematically shows a portion of the liquid crystal panel unit corresponding to a cross section taken along line CC of FIG. It is sectional drawing.
17 is an enlarged cross-sectional view of a portion (b) of FIG. 2 in another example of the liquid crystal display device according to the second embodiment of the present invention. It is sectional drawing of a corresponding part.
18 is another example of the liquid crystal display device according to the second embodiment of the present invention. FIG. 18 is an enlarged cross-sectional view of a portion (b) in FIG. It is sectional drawing of a corresponding part.
19 is another example of the liquid crystal display device according to the second embodiment of the present invention. FIG. 19 is an enlarged cross-sectional view of a portion (b) in FIG. It is sectional drawing of a corresponding part.
20 is another example of the liquid crystal display device according to the first embodiment of the present invention. FIG. 20 is an enlarged cross-sectional view of a portion (a) in FIG. It is sectional drawing of a corresponding part.
21 is another example of the liquid crystal display device according to the second embodiment of the present invention. FIG. 21 is an enlarged cross-sectional view of a portion (b) in FIG. It is sectional drawing of a corresponding part.
FIG. 22 is a perspective view of a conventional liquid crystal display device.
FIG. 23 is a schematic sectional view of a conventional liquid crystal display device.
[Explanation of symbols]
2 Stand support 3 Stand support 4 Speaker for high / mid frequency 5 Speaker for low frequency 6 Reflector 7 Lamp 8 Lamp holder 9 Support for reflector and liquid crystal panel unit 10 Holding frame 10a First holding frame 10b Second holding Frame 12 Liquid crystal panel 12a First transparent insulating substrate 12b forming a liquid crystal panel Second transparent insulating substrate 12c forming a liquid crystal panel Display surface 13 of a liquid crystal panel Optical sheet 14 Diffusing plate 16 Front case 17 Back case 18 , 19, 20 cushioning material 24 positioning member 27, 37 opening 28 adhesive 30 fixing member

Claims (8)

In a liquid crystal panel having a liquid crystal panel sandwiching a liquid crystal material between two opposing transparent insulating substrates, and a holding frame body sandwiching a peripheral portion of the liquid crystal panel,
A liquid crystal panel unit, characterized in that the holding frame has an opening for filling an adhesive and an opening for irradiating ultraviolet rays. In a liquid crystal panel having a liquid crystal panel sandwiching a liquid crystal material between two opposing transparent insulating substrates, and a holding frame body sandwiching a peripheral portion of the liquid crystal panel,
The holding frame includes a first holding frame provided on the back side of the liquid crystal panel, and a second holding frame provided on the front side of the liquid crystal panel,
At least one of the first and second holding frames has a plurality of openings for filling with an adhesive, and the other holding frame has a peripheral portion of the liquid crystal panel superimposed thereon. Fill the adhesive from the opening,
A liquid crystal panel unit comprising a plurality of openings for irradiating the second holding frame with ultraviolet rays. An opening for filling the adhesive provided in the holding frame body is provided in a portion corresponding to a peripheral portion of a front portion or a rear portion of the liquid crystal panel,
3. The liquid crystal according to claim 1, wherein a plurality of openings provided in the holding frame for irradiating ultraviolet rays are provided in portions corresponding to side surfaces of the liquid crystal panel. 4. Panel unit. 4. The liquid crystal panel unit according to claim 1, wherein an adhesive is filled in the holding frame and the liquid crystal panel. 5. 4. The adhesive according to claim 1, wherein the holding frame, the liquid crystal panel, and the opening for filling the holding frame with an adhesive are filled with an adhesive. 5. Liquid crystal panel unit according to the item. The liquid crystal panel includes a first transparent insulating substrate on a display back surface side and a second transparent insulating substrate on a display surface side,
4. An adhesive is filled in a peripheral portion of the holding frame body and the first transparent insulating substrate constituting the liquid crystal panel. LCD panel unit. The liquid crystal according to any one of claims 1 to 6, wherein the adhesive is an ultraviolet curable adhesive, and has a hardness after curing of 20 to 100 (JISＪA). Panel unit. A liquid crystal panel unit according to any one of claims 1 to 7,
A light source for illuminating the liquid crystal panel from the back side of the liquid crystal panel, and a light source unit including a reflector provided on the back side of the liquid crystal panel and surrounding the light source;
A liquid crystal display device comprising: the liquid crystal panel unit; and a housing for fixing the light source unit.

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