JP3883069B2 - Protective film for liquid crystal module and protective film for liquid crystal display device - Google Patents

Description

  The present invention relates to a protective film for a liquid crystal module and a protective film for a liquid crystal display device, and more particularly to a protective film for a liquid crystal module and a protective film for a liquid crystal display device that are formed to cover a liquid crystal display unit.

Conventionally, a protective film for a liquid crystal module (liquid crystal display device) formed so as to cover a liquid crystal display unit is known.
FIG. 10 is a perspective view illustrating a liquid crystal module protective film and a liquid crystal module according to a conventional example. FIG. 11 is a perspective view showing a state in which the conventional protective film shown in FIG. 10 is attached to the liquid crystal module. FIG. 12 is a partially enlarged view of FIG. First, a conventional protective film 101 will be described with reference to FIGS.

  As shown in FIGS. 10 and 11, the conventional protective film 101 includes a liquid crystal display unit 151 and a frame portion 152 when the liquid crystal module 150 as a component used in the liquid crystal display device is shipped to a finished product manufacturer. It is attached to protect the liquid crystal display unit 151 of the liquid crystal module 150. In addition, as shown in FIGS. 10 and 12, a plurality of screw / terminal attaching portions 152 a are provided on the side surface of the frame portion 152 of the liquid crystal module 150. The protective film 101 is used only while the liquid crystal module 150 is transported from the parts factory to the liquid crystal display device assembly factory of the finished product manufacturer. The protective film 101 is removed from the liquid crystal module 150 in the assembly factory of the liquid crystal display device. The protective film 101 is formed in a rectangular shape along the outline of the rectangular frame portion 152 of the liquid crystal module 150.

  The protective film 101 is attached to the liquid crystal module 150 by four weakly adhesive drafting tapes 102. The reason why the weakly adhesive drafting tape 102 is used is as follows. That is, when an adhesive tape is used, the adhesive paste adheres to the side surface of the frame portion 152 after the adhesive tape is removed. On the other hand, when the weakly adhesive drafting tape 102 is used, the weak adhesive paste hardly adheres to the side surface of the frame portion 152 even after the drafting tape 102 is removed. A part of the drafting tape 102 is attached to the protective film 101 and the remaining part is attached to the side surface of the liquid crystal module 150 to fix the protective film 101 to the liquid crystal module 150. Further, the drafting tape 102 includes a mounting portion 102a and a folded portion 102b as shown in FIG. The attachment portion 102 a is a portion for attaching the protective film 101 to the liquid crystal module 150 with weak adhesive glue attached to the back surface of the drafting tape 102. In addition, the folded portion 102 b is formed by folding a position at a predetermined distance from the base end portion of the drafting tape 102 and attaching the folded portion to the back surface of the drafting tape 102. When the protective film 101 is removed from the liquid crystal module 150, the folded portion 102b is provided so that the drafting tape 102 can be easily peeled off by gripping this portion.

  It is also known to use a protective sheet for a touch panel formed so as to cover a conventional display unit as a protective film for a liquid crystal module (see, for example, Patent Document 1).

In the above-mentioned Patent Document 1, a frame provided with a positioning portion projecting in the vicinity of a corner of a rectangular opening on the back surface, a touch panel protective sheet provided with a hole for penetrating the positioning portion, a touch panel, A structure with is disclosed. In the structure disclosed in Patent Document 1, a protective sheet is attached to a regular position using a positioning portion from the back surface of the frame, and a touch panel is attached from above.

JP 2002-73277 A

  The protective film 101 according to the conventional example shown in FIG. 10 is attached to the liquid crystal module 150 using four weakly adhesive drafting tapes 102. Therefore, the drafting tapes 102 are necessary, and the parts at the time of shipment. There was a problem that the score increased. Further, when the protective film 101 is attached to the liquid crystal module 150, four drafting tapes 102 are cut to an appropriate length and attached to the protective film 101, and further, the protective film 101 to which the drafting tape 102 is attached. Was attached to the liquid crystal module 150, and the folding part 102b was formed on each of the four drafting tapes 102. For this reason, the work time when attaching the protective film 101 to the liquid crystal module 150 becomes long, and as a result, there is a problem that the number of steps required for attaching the protective film 101 to the liquid crystal module 150 increases.

  Moreover, in the structure disclosed in Patent Document 1, it is necessary to provide a positioning portion that protrudes from the frame corresponding to the positioning hole provided in the protective sheet, and thus there is a problem that the structure becomes complicated. .

  The present invention has been made in order to solve the above-described problems, and reduces the number of parts without complicating the structure, and the work of attaching to and removing from the liquid crystal module (liquid crystal display device). It aims at providing the protective film of the liquid crystal module (liquid crystal display device) which can improve property.

Means for Solving the Problems and Effects of the Invention

  In order to achieve the above object, in the protective film for a liquid crystal module according to the first aspect of the present invention, at least a liquid crystal of a rectangular liquid crystal module having a liquid crystal display portion and a frame portion provided along the outer periphery of the liquid crystal display portion. In the protective film of the liquid crystal module formed so as to cover the entire surface of the display unit, the protective film is formed so as to protrude outward as a whole from the outline of the frame portion when attached to the liquid crystal display unit. It is located on the side of the liquid crystal display part of the four notches provided at a position corresponding to a predetermined area on the upper surface of at least the four corners of the frame part, the overhanging part as a removal allowance at the time of removal , Including four insertion portions inserted into the gap between the liquid crystal display portion and the frame portion when the protective film is attached to the liquid crystal display portion, and the cutout portions are the outer shapes of the four corner portions of the liquid crystal display portion. A first cutout portion formed in a region corresponding to a frame portion spaced a predetermined distance from the outside, extending along two sides of the outline of the liquid crystal display portion, and having an end portion extending toward the liquid crystal display portion And a second cutout portion formed so as to be continuous with the end portion of the first cutout portion and extending substantially along the outline of the liquid crystal display portion, and the insertion portion is a liquid crystal of the first cutout portion. While formed by the part of the protective film located in the display part side, it has a round-shaped front-end | tip part.

In the protective film of the liquid crystal module according to the first aspect of the present invention, as described above, the protective film includes at least four cutout portions provided at positions corresponding to predetermined regions on the upper surface of the four corners of the frame portion, and 4 The four notches are positioned on the side of the liquid crystal display, and when the protective film is attached to the liquid crystal display, four insertion portions are provided to be inserted into the gap between the liquid crystal display and the frame, thereby drafting Compared with the case where the protective film is attached to the liquid crystal module using tape etc., the workability when attaching the protective film to the liquid crystal module is improved because the work of cutting off the drafting tape etc. and attaching it to the protective film is eliminated. Can do. In addition, when the protective film is attached to the liquid crystal display unit, a function of protecting the liquid crystal display unit of the liquid crystal module by providing four insertion portions to be inserted into the gap between the liquid crystal display unit and the frame unit, and the liquid crystal Since the function of attaching the protective film to the module can be obtained by one member, the number of parts can be reduced as compared with the case of attaching the protective film to the liquid crystal module using a drafting tape or the like. Further, by providing the four insertion portions in the protective film, it is not necessary to newly provide a structure or part for attaching the protective film on the liquid crystal module side, so that the structure is not complicated. Moreover, since a notch part can be formed by the process by a metal mold | die, if it is a sheet-like protective film, this invention is widely applicable to the sheet-like protective film which consists of various materials.

  Further, in the first aspect, the protective film attached to the liquid crystal module is attached to the liquid crystal module by providing an overhanging portion that is formed so as to protrude outward from the outline of the frame portion. When removing from the protective film, the protective film can be easily removed by gripping the overhanging portion. Thereby, the workability | operativity at the time of removing a protective film from a liquid crystal module can be improved compared with the case where there is no overhang | projection part.

  In the first aspect, the cutout portion is formed in a region corresponding to a frame portion that is spaced a predetermined distance outward from the outlines of the four corners of the liquid crystal display unit, and two sides of the outline line of the liquid crystal display unit And a first cutout portion extending toward the liquid crystal display portion and an end portion of the first cutout portion, and substantially extending along the outline of the liquid crystal display portion. By providing the extending second cutout portion, when inserting the insertion portion into the gap between the liquid crystal display portion and the frame portion, the insertion portion is easily bent downward with respect to the main surface of the protective film. Can do. Thereby, compared with the case where there is no 1st notch part and 2nd notch part, since an insertion part can be inserted in the clearance gap between a liquid crystal display part and a frame part more easily, a protective film is attached to a liquid crystal module. Workability at the time of attachment can be improved. Moreover, by providing the 2nd notch part substantially extended along the external shape line of a liquid crystal display part, it can be used as a positioning part at the time of attaching a 2nd notch part to a protective film.

  Further, in the first aspect, by providing a circular tip at the insertion portion, when inserting the insertion portion into the gap between the liquid crystal display portion and the frame portion, the tip of the insertion portion causes liquid crystal to be inserted. It is possible to suppress the surface of the display unit from being scratched.

  In the first aspect, four notches are provided at positions corresponding to the upper surfaces of the four corners of the frame portion, and four insertion portions are provided at positions corresponding to the liquid crystal display side of the four notches. Since the protective film can be fixed at the four corners of the liquid crystal module by four insertion parts, the protective film is protected compared to the case where the protective film is fixed at two or three of the four corners of the liquid crystal module. The film can be attached to the liquid crystal module with a stronger fixing force. Thereby, it can suppress more that a protective film remove | deviates during conveyance.

  A protective film for a liquid crystal display device according to a second aspect of the present invention is a protective film for a liquid crystal display device having a liquid crystal display portion and a frame portion provided along the outer periphery of the liquid crystal display portion, at least at the corners of the frame portion. A notch provided at a position corresponding to a predetermined region on the upper surface of the unit, and the liquid crystal display unit side of the notch are inserted into a gap between the liquid crystal display unit and the frame portion when being attached to the liquid crystal display unit. Including the insertion part.

In the protective film of the liquid crystal display device according to the second aspect of the present invention, as described above, the protective film has at least a cutout portion provided at a position corresponding to a predetermined region on the upper surface of the corner portion of the frame portion, and the cutout portion. Protective film using a drafting tape or the like by providing an insertion part that is located on the liquid crystal display part side and is inserted into the gap between the liquid crystal display part and the frame part when attached to the liquid crystal display part Compared with the case of attaching to the liquid crystal display device, the workability when attaching the protective film to the liquid crystal display device can be improved by eliminating the work of cutting off the drafting tape or the like and attaching it to the protective film. In addition, the protective film has a function of protecting the liquid crystal display portion of the liquid crystal display device by providing an insertion portion that is inserted into the gap between the liquid crystal display portion and the frame portion, and a function of attaching the protective film to the liquid crystal display device. Therefore, the number of parts can be reduced as compared with the case where the protective film is attached to the liquid crystal display device using a drafting tape or the like. Further, by providing the insertion portion in the protective film, it is not necessary to newly provide a structure or a part for attaching the protective film on the liquid crystal display device side, so that the structure is not complicated. Moreover, since a notch part can be formed by the process by a metal mold | die, if it is a sheet-like protective film, this invention is widely applicable to the protective film of a sheet-like various material.

  In the protective film for the liquid crystal display device according to the second aspect, preferably, the protective film is formed so as to protrude outward from the outline of the frame portion when attached to the liquid crystal display portion. Including the overhanging part. If comprised in this way, when removing the protective film attached to the liquid crystal display device from the liquid crystal display device, the protective film can be easily removed by gripping the protruding portion. Thereby, the workability | operativity at the time of removing a protective film from a liquid crystal display device can be improved compared with the case where there is no overhang | projection part.

  In the protective film of the liquid crystal display device according to the second aspect, preferably, the notch is formed in a region corresponding to a frame portion that is spaced a predetermined distance outward from the outline of the corner of the liquid crystal display, A first cutout portion extending along two sides of the outline of the liquid crystal display portion and having an end portion extending toward the liquid crystal display portion, and an end portion of the first cutout portion, is substantially formed. And a second notch extending along the outline of the liquid crystal display. If comprised in this way, when inserting an insertion part in the clearance gap between a liquid crystal display part and a frame part, an insertion part can be easily bent below with respect to the main surface of a protective film. Thereby, compared with the case where there is no 1st notch part and 2nd notch part, since an insertion part can be more easily inserted in the clearance gap between a liquid crystal display part and a frame part, a protective film is used as a liquid crystal display device. The workability at the time of attaching to can be improved. Moreover, by providing the 2nd notch part substantially extended along the external shape line of a liquid crystal display part, it can be used as a positioning part at the time of attaching a 2nd notch part to a protective film.

  In the protective film of the liquid crystal display device according to the second aspect, preferably, the insertion portion has a round tip portion. If comprised in this way, when inserting an insertion part in the clearance gap between a liquid crystal display part and a frame part, it can suppress that the surface of a liquid crystal display part is damaged with the front-end | tip of an insertion part.

  In the protective film of the liquid crystal display device according to the second aspect, preferably, the four notches are provided at positions corresponding to the upper surfaces of the four corners of the frame portion, and the plug-in portion includes the four notches. Four are provided at positions corresponding to the liquid crystal display side. If comprised in this way, since a protective film can be fixed in the four corners of a liquid crystal display device with four insertion parts, when fixing a protective film in two or three places of four corners of a liquid crystal display device In comparison, the protective film can be attached to the liquid crystal display device with a stronger fixing force. Thereby, it can suppress more that a protective film remove | deviates during conveyance.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
FIG. 1 is a perspective view showing a protective film and a liquid crystal module of a liquid crystal module according to a first embodiment of the present invention. FIG. 2 is a perspective view showing a state in which the protective film according to the first embodiment of the present invention shown in FIG. 1 is attached to the liquid crystal module. FIG. 3 is a partially enlarged view of the protective film shown in FIG. FIG. 4 is a partially enlarged view of FIG. FIG. 5 is a cross-sectional view taken along line 200-200 of the liquid crystal module to which the protective film shown in FIG. 4 is attached. First, with reference to FIGS. 1-5, the protective film 10 by 1st Embodiment of this invention is demonstrated.

  As shown in FIGS. 1 and 2, the protective film 10 according to the first embodiment of the present invention protects the liquid crystal display unit 51 of the liquid crystal module 50 when the liquid crystal module 50 as a component is shipped to a finished product manufacturer. Attached for. Further, as shown in FIGS. 1 and 4, a plurality of screw / terminal mounting portions 52 a are provided on the side surface of the frame portion 52 of the liquid crystal module 50. The protective film 10 is used only while the liquid crystal module 50 is transported from the parts factory to the assembly factory of the finished product manufacturer. And the protective film 10 is removed from the liquid crystal module 50 in the assembly factory of a liquid crystal display device. The protective film 10 is made of a resin material such as polycarbonate. The protective film 10 has a shape similar to the rectangular liquid crystal module 50 and is formed to be slightly larger than the liquid crystal module 50. That is, the outline of the protective film 10 is located outside the outline of the liquid crystal module 50.

  Here, in 1st Embodiment, the protective film 10 contains the four overhang | projection parts 11, the four notch parts 12, and the four insertion parts 13, as shown in FIG. 1 and FIG. . As shown in FIG. 2, the overhang portion 11 corresponds to the four corner portions of the frame portion 52 of the liquid crystal module 50 among the portions of the protective film 10 located outside the outline of the liquid crystal module 50. Indicates a part. The overhang portion 11 functions as a removal allowance when removing the protective film 10 from the liquid crystal module 50. The four notches 12 are provided at positions corresponding to predetermined areas on the upper surface of the four corners of the frame portion 52. As shown in FIGS. 3 and 4, the notch 12 forms the insertion portion 13 and facilitates insertion of the insertion portion 13 into the gap between the liquid crystal display portion 51 and the frame portion 52. Is provided. In addition, the notch 12 is formed in a region corresponding to the frame portion 52 that is spaced a predetermined distance outward from the outlines at the four corners of the liquid crystal display unit 51, and along the two sides of the outline of the liquid crystal display unit 51. The first notch 12a extending toward the liquid crystal display 51 and the end of the first notch 12a are formed so as to be substantially continuous with the outline of the liquid crystal display 51. And a second cutout portion 12b extending along. In addition, the notch part 12 is simultaneously formed when forming the protective film 10 by the process by a metal mold | die. The insertion part 13 is formed by the part of the protective film 10 located in the liquid crystal display part 51 side of the 1st notch part 12a. As shown in FIGS. 2, 4, and 5, the insertion portion 13 is inserted into the gaps between the liquid crystal display portion 51 and the frame portion 52 at the four corners of the frame portion 52, thereby protecting the protective film 10. Is fixed to the liquid crystal module 50. Moreover, the insertion part 13 has the front-end | tip part 13a by which the front-end | tip became round shape, as shown in FIG.3 and FIG.4. 4 and 5, when the insertion portion 13 is inserted into the gap between the liquid crystal display portion 51 and the frame portion 52, the distal end portion 13a is inserted into the liquid crystal display portion 51 by the distal end of the insertion portion 13. It is provided to suppress the surface from being scratched.

  In the first embodiment, as described above, the protective film 10 has at least four cutout portions 12 provided at positions corresponding to predetermined regions on the upper surface of the four corners of the frame portion 52, and the liquid crystal of the four cutout portions 12. When the protective film 10 is attached to the liquid crystal display unit 51 and provided on the display unit 51 side, the four insertion portions 13 inserted into the gap between the liquid crystal display unit 51 and the frame portion 52 are provided. Compared with the case where the protective film 10 is attached to the liquid crystal module 50 using a rafting tape or the like, there is no work to cut off the drafting tape or the like and attach the protective film 10 to the liquid crystal module 50. Workability can be improved.

  Moreover, in 1st Embodiment, the liquid crystal display part 51 of the liquid crystal module 50 is protected by providing the four insertion parts 13 inserted in the clearance gap between the liquid crystal display part 51 and the frame part 52 in the protective film 10. FIG. Since the function and the function of attaching the protective film 10 to the liquid crystal module 50 can be obtained by a single member, the number of parts is smaller than when the protective film 10 is attached to the liquid crystal module 50 using a drafting tape or the like. Can be reduced. Further, by providing the four insertion portions 13 in the protective film 10, it is not necessary to newly provide a structure or a part for attaching the protective film 10 on the liquid crystal module 50 side, so that the structure may be complicated. Absent.

  In the first embodiment, the notch 12 can be formed by processing with a mold, and therefore can be widely applied to sheet-like protective films made of various materials.

  In the first embodiment, the four notches 12 are provided at positions corresponding to the upper surfaces of the four corners of the frame portion 52, and the insertion portion 13 is provided on the liquid crystal display portion 51 side of the four notches 12. By providing four at corresponding positions, the protective film 10 can be fixed at the four corners of the liquid crystal module 50 by the four insertion portions 13, so that the protective film 10 is attached to two or three of the four corners of the liquid crystal module 50. The protective film 10 can be attached to the liquid crystal module 50 with a stronger fixing force as compared with the case where it is fixed at a location. Thereby, it can suppress more that the protective film 10 removes in the middle of conveyance.

  In the first embodiment, the cutout portion 12 is formed in a region corresponding to the frame portion 52 that is spaced a predetermined distance outward from the outlines of the four corners of the liquid crystal display portion 51, and the outer shape of the liquid crystal display portion 51. A first notch 12a extending along two sides of the line and having an end extending toward the liquid crystal display 51, and an end of the first notch 12a are formed so as to be substantially liquid crystal display. By providing the second cutout portion 12b extending along the outline of the portion 51, the insertion portion 13 can be easily protected when the insertion portion 13 is inserted into the gap between the liquid crystal display portion 51 and the frame portion 52. The main surface of the film 10 can be bent downward. Thereby, compared with the case where there is no 1st notch part 12a and 2nd notch part 12b, since the insertion part 13 can be inserted in the clearance gap between the liquid crystal display part 51 and the frame part 52 more easily, it protects. The workability at the time of attaching the film 10 to the liquid crystal module 50 can be improved. In addition, by providing the second cutout portion 12 b extending substantially along the outline of the liquid crystal display portion 51, it can be used as a positioning portion when the second cutout portion 12 b is attached to the protective film 10.

  In the first embodiment, when the insertion portion 13 is inserted into the gap between the liquid crystal display portion 51 and the frame portion 52 by providing the insertion portion 13 with a circular tip portion 13a, the insertion portion 13 is inserted. It is possible to suppress the surface of the liquid crystal display unit 51 from being scratched by the tip of the unit 13.

  Further, in the first embodiment, the liquid crystal module 50 is provided with the overhanging portion 11 that is a removal allowance at the time of removal formed on the protective film 10 so as to protrude outward from the outline of the frame portion 52. When removing the attached protective film 10 from the liquid crystal module 50, the protective film 10 can be easily removed by holding the overhanging portion 11. Thereby, compared with the case where there is no overhang | projection part 11, workability | operativity at the time of removing the protective film 10 from the liquid crystal module 50 can be improved.

(Second Embodiment)
FIG. 6 is a perspective view illustrating a protective film and a liquid crystal display device of a liquid crystal display device according to a second embodiment of the present invention. FIG. 7 is a perspective view showing a state in which the protective film according to the second embodiment of the present invention shown in FIG. 6 is attached to the liquid crystal display device. FIG. 8 is a partially enlarged view of FIG. FIG. 9 is a cross-sectional view taken along the line 300-300 of the liquid crystal module to which the protective film shown in FIG. 8 is attached. With reference to FIGS. 6-9, unlike 2nd Embodiment, this 2nd Embodiment demonstrates the case where the display part of the liquid crystal display device which is a finished product is protected by a protective film.

  That is, as shown in FIGS. 6 and 7, the protective film 20 of the second embodiment protects the liquid crystal display device 60 constituting the display unit of a liquid crystal television, a personal computer, a mobile phone, a digital camera, or the like. is there. The liquid crystal display device 60 includes a rectangular liquid crystal display unit 61 and a rectangular frame portion 62. The frame portion 62 is a portion of a frame formed so as to surround the liquid crystal display portion 61 of the liquid crystal display device 60, and is formed in a shape in which the inner side surface surrounding the liquid crystal display portion 61 is inclined. The protective film 20 is attached so as to cover the liquid crystal display unit 61 of the liquid crystal display device 60 in order to protect the liquid crystal display unit 61 of the liquid crystal display device 60 that is easily damaged before the liquid crystal display device 60 is delivered to the user. It has been.

  As shown in FIGS. 6 and 8, the protective film 20 includes four projecting portions 21, four notched portions 22, and four insertion portions 23. The overhang part 21, the notch part 22, and the insertion part 23 have the same shape as the overhang part 11, the notch part 12, and the insertion part 13 of the protective film 10 of the first embodiment, respectively. Specifically, in the second embodiment, as illustrated in FIG. 7, the overhanging portion 21 of the liquid crystal display device 60 is a portion of the protective film 20 located outside the outline of the liquid crystal display device 60. The part corresponding to the four corner vicinity parts of the frame part 62 is shown. The overhang portion 21 functions as a removal allowance when the protective film 20 is removed from the liquid crystal display device 60. The four notches 22 are provided at positions corresponding to predetermined areas on the upper surface of the four corners of the frame portion 62. As shown in FIG. 8, the notch 22 forms the insertion portion 23 and is provided to facilitate the insertion of the insertion portion 23 into the gap between the liquid crystal display portion 61 and the frame portion 62. Yes. In addition, the notch 22 is formed in a region corresponding to the frame portion 62 that is spaced a predetermined distance outward from the outlines at the four corners of the liquid crystal display unit 61, and along the two sides of the outline of the liquid crystal display unit 61. The first notch 22a extending toward the liquid crystal display 61 and the end of the first notch 22a are formed so as to be substantially continuous with the outline of the liquid crystal display 61. And a second cutout portion 22b extending along. The notch 22 is formed at the same time when the protective film 20 is formed by processing with a mold. The insertion part 23 is formed by the part of the protective film 20 located in the liquid crystal display part 61 side of the 1st notch part 22a. As shown in FIGS. 7 to 9, the insertion portion 23 is inserted into the gaps between the liquid crystal display portions 61 and the frame portions 62 at the four corners of the frame portion 62, thereby displaying the protective film 20 on the liquid crystal display. It has a function of fixing to the device 60. Moreover, the insertion part 23 has the front-end | tip part 23a by which the front-end | tip became round shape, as shown in FIG. The distal end portion 23 a is used to suppress the surface of the liquid crystal display portion 61 from being damaged by the distal end of the insertion portion 23 when the insertion portion 23 is inserted into the gap between the liquid crystal display portion 61 and the frame portion 62. Is provided.

In the second embodiment, as described above, the protective film 20 has at least four cutout portions 22 provided at positions corresponding to predetermined regions on the upper surface of the four corner portions of the frame portion 62, and the liquid crystal of the four cutout portions 22. When the protective film 20 is attached to the liquid crystal display unit 61 while being positioned on the display unit 61 side, the four insertion portions 23 inserted into the gap between the liquid crystal display unit 61 and the frame portion 62 are provided. Compared with the case where the protective film 20 is attached to the liquid crystal display device 60 using a rafting tape or the like, the protective film 20 is attached to the liquid crystal display device 60 as much as the work of cutting off the drafting tape or the like and attaching it to the protective film 20 is eliminated. The workability at the time can be improved. Further, by providing the protective film 20 with four insertion portions 23 inserted into the gap between the liquid crystal display portion 61 and the frame portion 62, a function for protecting the liquid crystal display portion 61 of the liquid crystal display device 60, and a liquid crystal display Since the function of attaching the protective film 20 to the device 60 can be obtained by a single member, the number of parts can be reduced as compared with the case where the protective film 20 is attached to the liquid crystal display device 60 using a drafting tape or the like. be able to. Further, by providing the four insertion portions 23 in the protective film 20, it is not necessary to newly provide a structure or a part for attaching the protective film 20 on the liquid crystal display device 60 side, so that the structure is complicated. Nor.

  The remaining effects of the second embodiment are similar to those of the aforementioned first embodiment.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description of the embodiment but by the scope of claims for patent, and all modifications within the meaning and scope equivalent to the scope of claims for patent are included.

  For example, in the first and second embodiments described above, the outer shape line of the protective film is formed so as to be positioned outside the outer shape line of the frame portion when attached to the liquid crystal display unit. However, the protective film may be formed so that the outer contour line of the protective film is positioned inside the outer contour line of the frame portion when it is attached to the liquid crystal display section.

  In the first and second embodiments, the notch is formed in a region corresponding to the frame portion that is spaced a predetermined distance outward from the outline of the four corners of the liquid crystal display, and the outline of the liquid crystal display However, the present invention is not limited to this, and the notch is provided with a first notch extending along the two sides of the liquid crystal display and a second notch extending substantially along the outline of the liquid crystal display. You may form in another shape.

  In the first and second embodiments, the protective film is formed in a square shape. However, the present invention is not limited to this, and the protective film is formed in a hexagonal shape or the like corresponding to the shape of the liquid crystal display unit. May be.

  Moreover, in the said 1st and 2nd embodiment, although the four insertion parts were provided in the protective film, you may make it provide not only this but two or three insertion parts in a protective film. Good.

It is the perspective view which showed the protective film and liquid crystal module of the liquid crystal module by 1st Embodiment of this invention. It is the perspective view which showed the state which attached the protective film by 1st Embodiment of this invention shown in FIG. 1 to the liquid crystal module. It is the elements on larger scale of the protective film shown in FIG. FIG. 3 is a partially enlarged view of FIG. 2. It is sectional drawing along the 200-200 line | wire of the liquid crystal module which attached the protective film shown in FIG. It is the perspective view which showed the protective film and liquid crystal display device of the liquid crystal display device by 2nd Embodiment of this invention. It is the perspective view which showed the state which attached the protective film by 2nd Embodiment of this invention shown in FIG. 6 to the liquid crystal display device. It is the elements on larger scale of FIG. It is sectional drawing along the 300-300 line | wire of the liquid crystal module which attached the protective film shown in FIG. It is the perspective view which showed the protective film and liquid crystal module of the liquid crystal module by an example of the past. It is the perspective view which showed the state which attached the protective film by a prior art example shown in FIG. 10 to the liquid crystal module. It is the elements on larger scale of FIG.

Explanation of symbols

10, 20 Protective film 11, 21 Overhang portion 12, 22 Notch portion 12a, 22a First notch portion 12b, 22b Second notch portion 13, 23 Insertion portion 13a, 23a Tip portion 50 Liquid crystal module 51 Liquid crystal display portion 52 Frame Part 60 liquid crystal display device 61 liquid crystal display part 62 picture frame part

Claims (6)

In a protective film for a liquid crystal module formed so as to cover at least the entire surface of the liquid crystal display part of a rectangular liquid crystal module having a liquid crystal display part and a frame part provided along the outer periphery of the liquid crystal display part,
The protective film is
When attached to the liquid crystal display unit, an overhanging part serving as a removal allowance at the time of removal formed so as to protrude outward overall from the outline of the frame part,
At least four cutouts provided at positions corresponding to predetermined regions on the upper surface of the four corners of the frame portion;
Four insertion portions that are located on the liquid crystal display portion side of the four cutout portions and are inserted into a gap between the liquid crystal display portion and the frame portion when the protective film is attached to the liquid crystal display portion. Including
The notch is
The liquid crystal display unit is formed in a region corresponding to the frame portion that is spaced a predetermined distance outward from the outlines at the four corners of the liquid crystal display unit, extends along two sides of the outline line of the liquid crystal display unit, and ends. A first cutout extending toward the liquid crystal display,
A second notch formed so as to be continuous with an end of the first notch and extending substantially along an outline of the liquid crystal display;
The insertion part is a protective film for a liquid crystal module, which is formed by a part of the protective film located on the liquid crystal display part side of the first cutout part and has a rounded tip part. A protective film for a liquid crystal display device having a liquid crystal display portion and a frame portion provided along the outer periphery of the liquid crystal display portion,
A cutout portion provided at a position corresponding to a predetermined region of at least the upper surface of the corner of the frame portion;
A protection for a liquid crystal display device, which is located on the liquid crystal display unit side of the notch and includes an insertion portion inserted into a gap between the liquid crystal display unit and the frame portion when attached to the liquid crystal display unit the film.   The said protective film contains the overhang | projection part used as the removal allowance at the time of the removal formed so that it might protrude outside from the outline of the said frame part, when it attaches to the said liquid crystal display part. Protective film for LCD. The notch is
The liquid crystal display unit is formed in a region corresponding to the frame portion that is spaced a predetermined distance outward from the outline of the corner of the liquid crystal display unit, and extends along two sides of the outline of the liquid crystal display unit, and an end part A first notch extending toward the liquid crystal display, and a second notch extending substantially along the outline of the liquid crystal display, and being formed to be continuous with the end of the first notch The protective film of the liquid crystal display device of Claim 2 or 3 which has these.   The said insertion part is a protective film of the liquid crystal display device of any one of Claims 2-4 which has a round-shaped front-end | tip part. Four of the notches are provided at positions corresponding to the upper surfaces of the four corners of the frame portion,
The said insertion part is a protective film of the liquid crystal display device of any one of Claims 2-5 provided in the position corresponding to the said liquid crystal display part side of the said four notch parts.

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