TWI400494B - 3d liquid crystal display, liquid crystal display module and polarizer therein - Google Patents

Description

Liquid crystal stereo display, liquid crystal display module and polarizing plate thereof

The present invention relates to a polarizing plate, and more particularly to a polarizing plate for use in a liquid crystal stereoscopic display.

In a general liquid crystal stereoscopic (3D) display, in addition to using a liquid crystal panel as a display, another panel is usually added as a liquid crystal barrier. However, since it is necessary to compensate the viewing angle of the panel, it is necessary to provide a compensation film therein, so there are problems such as an increase in thickness, a decrease in penetration, an increase in production cost, and the like.

It is an object of the present invention to provide a polarizing plate whereby the thickness of the finished film is made thinner.

Another object of the present invention is to provide a liquid crystal display module in which the light transmittance therein is increased.

It is still another object of the present invention to provide a liquid crystal stereoscopic display whereby the required manufacturing cost is reduced.

One aspect of the present invention relates to a polarizing plate comprising a first polarizing film, a first lower viewing angle film, and a first upper viewing angle film. The first polarizing film has a first surface, a second surface, a first absorption axis, and a first transmission axis, wherein the second surface corresponds to the first surface, the first transmission axis direction and the first absorption axis direction intersect. The first lower wide viewing angle film is attached to the first surface of the first polarizing film. The first upper wide viewing angle film is attached to the second surface of the first polarizing film.

Another aspect of the present invention relates to a liquid crystal display module comprising the polarizing plate as described above and a liquid crystal panel. The liquid crystal panel is attached to the first upper wide viewing angle film, and the first upper wide viewing angle film is located between the first polarizing film and the liquid crystal panel.

Still another aspect of the present invention relates to a liquid crystal stereoscopic display including a second corresponding polarizing plate, a liquid crystal grating, and a liquid crystal display module as described above. The liquid crystal grating has a first grating surface and a second grating surface, wherein the second corresponding polarizing plate is disposed corresponding to the first grating surface, and the liquid crystal grating is located between the polarizing plate and the second corresponding polarizing plate. The liquid crystal display module is disposed corresponding to the second grating surface.

According to the technical content of the present invention, the application of the foregoing technology not only makes the polarizing plate lighter and thinner, but also significantly improves the light transmittance, and further saves the steps of product production and reduces the cost required for product production.

1 is a schematic view showing a polarizing plate according to an embodiment of the present invention. The polarizing plate 100 includes a first polarizing film 110, a first lower viewing angle film 120, a first upper wide viewing angle film 122, and a first protective film 130. The first polarizing film 110 has a first surface 112 (lower surface) and a second surface 114 (upper surface), and the first surface 112 is opposite to the second surface 114, wherein the first polarizing film 110 may comprise a polyvinyl alcohol material (polyvinyl) Alcohol, PVA). The first lower wide viewing angle film 120 is directly attached to the first surface 112 of the first polarizing film 110 , and the first upper wide viewing angle film 122 is directly attached to the second surface 114 of the first polarizing film 110 . The first lower wide viewing angle film 120 and the first upper wide viewing angle film 122 may each comprise a triacetyl cellulose (TAC) material, and the first lower wide viewing angle film 120 and the first upper wide viewing angle film 122 may be implemented according to actual conditions. The demand is realized by different wide viewing angle films, such as a super wide view (SWV) or an excellent wide viewing angle (EWV), which are known to those skilled in the art to increase the viewing angle of the viewing. The first protective film 130 is disposed opposite to the first polarizing film 110 on both sides of the first upper viewing angle film 122, and is directly attached to the first upper wide viewing angle film 122, so that the first upper wide viewing angle film 122 is interposed. Between the first polarizing film 110 and the first protective film 130, the first protective film 130 may also comprise a cellulose triacetate material (TAC) or simply made of a cellulose triacetate material (TAC). Among them, the composition of the super wide viewing angle film (SWV) and the excellent wide viewing angle film (EWV) also contain the cellulose triacetate material (TAC), but it is based on the cellulose triacetate material (TAC) as the substrate. The surface is plated with a birefringent material, such as polyvinyl alcohol (PVA) or cholesteric liquid crystal, so that it has a function of improving the viewing angle, and unlike the first protective film 130, that is, the first protective film 130 does not have the aforementioned Birefringent material.

On the other hand, the first polarizing film 110 further has a first absorption axis 702 and a first transmission axis 704, and the first transmission axis 704 intersects the first absorption axis 702 direction and is substantially perpendicular to each other. In addition, the first lower wide viewing angle film 120 and the first upper wide viewing angle film 122 may have a first lower wide viewing angle slow axis 706 and a first upper wide viewing angle slow axis 708, respectively, and the directions thereof are substantially parallel to each other (or the same direction) ). Moreover, the direction of the slow axis 706 on the first lower wide viewing angle film 120 and the direction of the slow axis 708 on the first upper wide viewing angle film 122 may be simultaneously parallel to the direction of the absorption axis 702 on the first polarizing film 110. (or in the same direction) and at the same time perpendicular to the direction of the transmission axis 704 on the first polarizing film 110.

2 is a schematic view showing a liquid crystal display module according to an embodiment of the invention. The liquid crystal display module 200 includes a liquid crystal panel 210, a first corresponding polarizing plate 220, and a polarizing plate 100 as shown in FIG. The liquid crystal panel 210 is attached to the first lower wide viewing angle film 120 such that the first lower wide viewing angle film 120 is interposed between the first polarizing film 110 and the liquid crystal panel 210. The first corresponding polarizing plate 220 is disposed opposite to each other on both sides of the liquid crystal panel 210, that is, the liquid crystal panel 210 is located between the polarizing plate 100 and the first corresponding polarizing plate 220.

In addition, the first corresponding polarizing plate 220 may further include a second wide viewing angle film 230, a second polarizing film 240, and a second protective film 250. The second polarizing film 240 has a third surface 242 (upper surface) and a fourth surface 244 (lower surface), and the third surface 242 is opposite to the fourth surface 244, wherein the second polarizing film 240 may comprise polyvinyl alcohol (polyvinyl) Alcohol, PVA). The second wide viewing angle film 230 is attached to the third surface 242 of the second polarizing film 240 and interposed between the liquid crystal panel 210 and the second polarizing film 240. The second wide viewing angle film 230 may include cellulose triacetate. Material (triacetyl cellulose, TAC), and can be called according to the actual needs, such as the super wide view (SWV) or the excellent wide viewing angle (EWV). The viewing angle film is realized. The second protective film 250 is attached to the fourth surface 244 of the second polarizing film 240 such that the second polarizing film 240 is located between the second wide viewing film 230 and the second protective film 250, wherein the second protective film 250 It may be made of cellulose triacetate (TAC) or simply made of cellulose triacetate (TAC). Among them, although the composition of the super wide viewing angle film (SWV) and the excellent wide viewing angle film (EWV) also contains the cellulose triacetate material (TAC), it is based on the cellulose triacetate material (TAC). It is formed by plating a birefringent material on its surface, for example, polyvinyl alcohol (PVA) or cholesteric liquid crystal, so that it has a function of improving the viewing angle, and unlike the second protective film 250, that is, the second protective film 250 does not have the aforementioned Birefringent material.

Furthermore, the second polarizing film 240 further has a second absorption axis 710 and a second transmission axis 712, wherein the direction of the second absorption axis 710 is parallel to the first transmission axis 704 on the first polarizing film 110, and The direction of the two transmission shafts 712 is parallel (or in the same direction) to the direction of the first absorption axis 702 on the first polarizing film 110. In addition, the second wide viewing angle film 230 may have a second slow axis 714, and the direction of the second slow axis 714 is parallel to the direction of the first transmission axis 704 on the first polarizing film 110, and the second polarized light The second penetration axis 712 on the membrane 240 intersects.

3 is a schematic view showing a liquid crystal panel as shown in FIG. 2 according to an embodiment of the present invention. Referring to FIGS. 2 and 3 simultaneously, the liquid crystal panel 210 includes a first array substrate 310, a first lower alignment layer 320, a first liquid crystal layer 330, a first upper alignment layer 340, and a first opposite substrate 350. The first lower alignment layer 320 is disposed on the first array substrate 310 and has a first lower rubbing direction 716 that intersects the first absorption axis 702 on the first polarizing film 110. The first liquid crystal layer 330 is disposed between the first lower alignment layer 320 and the first upper alignment layer 340. The first upper alignment layer 340 has a first upper alignment direction 718 that is in the same direction as the first absorption axis 702 on the first polarizing film 110. The first counter substrate 350 is disposed on the first upper alignment layer 340.

4 is a schematic view showing a liquid crystal stereoscopic display according to an embodiment of the present invention. The liquid crystal display 400 includes a second corresponding polarizing plate 410, a liquid crystal grating 420, and a liquid crystal display module 200 as shown in FIG. 2, wherein the liquid crystal grating 420 is an optical grating that can cause or generate left and right eye parallax, so that the left and right eyes Each channel can see an independent image at different frequencies, which allows the viewer to produce a stereoscopic image. The liquid crystal grating 420 has a first grating surface 422 (upper surface) and a second grating surface 424 (lower surface), the second corresponding polarizing plate 410 is disposed corresponding to the first grating surface 422, and the liquid crystal grating 420 is located in the liquid crystal display module. The polarizing plate 100 of 200 and the second corresponding polarizing plate 410 are disposed, and the liquid crystal display module 200 is disposed corresponding to the second grating surface 424 of the liquid crystal grating 420. In one embodiment, the liquid crystal grating 420 directly adheres to the first protective film 130 in the liquid crystal display module 200.

In addition, the second corresponding polarizing plate 410 may include a third polarizing film 412, a third protective film 414, and a third wide viewing angle film 416. The third polarizing film 412 has a fifth surface 432 (upper surface) and a sixth surface 434 (lower surface), and the fifth surface 432 corresponds to the sixth surface 434, wherein the third polarizing film 412 may comprise a polyvinyl alcohol material ( Polyvinyl alcohol, PVA). The third protective film 414 is adhered to the fifth surface 432 of the third polarizing film 412, and may be made of a cellulose triacetate material (TAC) or simply made of a cellulose triacetate material (TAC). The third wide viewing angle film 416 is adhered to the sixth surface 434 of the third polarizing film 412 and interposed between the third polarizing film 412 and the first grating surface 422 of the liquid crystal grating 420, wherein the third wide viewing angle film 416 may comprise triacetyl cellulose (TAC), and may be referred to as a super wide view (SWV) or an excellent wide viewing angle film (Excellent wide) according to actual needs. View, EWV) is achieved by different wide viewing angle films. It should be noted that, in an embodiment, no other polarizing plate is disposed between the second grating surface 424 of the liquid crystal grating 420 and the liquid crystal display module 200; in other words, there is only a single between the liquid crystal grating 420 and the liquid crystal panel 210. The polarizing plate 100 has only a single layer of the first polarizing film 110 made of polyvinyl alcohol material (PVA). Among them, although the composition of the super wide viewing angle film (SWV) and the excellent wide viewing angle film (EWV) also contains the cellulose triacetate material (TAC), it is based on the cellulose triacetate material (TAC). It is formed by plating a birefringent material on its surface, for example, polyvinyl alcohol (PVA) or cholesteric liquid crystal, so that it has a function of improving the viewing angle, and unlike the third protective film 414, that is, the third protective film 414 does not have the foregoing. Birefringent material.

Furthermore, the third polarizing film 412 further has a third absorption axis 720 and a third transmission axis 722, wherein the direction of the third absorption axis 720 is parallel to the direction of the first transmission axis 704 on the first polarizing film 110, and The direction of the third penetration axis 722 is parallel (or in the same direction) to the direction of the first absorption axis 702 on the first polarizing film 110. In addition, the third wide viewing angle film 416 may have a third slow axis 724, and the direction of the third slow axis 724 intersects the direction of the first absorption axis 702 on the first polarizing film 110.

Fig. 5 is a schematic view showing a liquid crystal grating as shown in Fig. 4 according to an embodiment of the present invention. Referring to FIGS. 4 and 5 simultaneously, the liquid crystal grating 420 includes a second array substrate 510, a second lower alignment layer 520, a second liquid crystal layer 530, a second upper alignment layer 540, and a second opposite substrate 550. The second lower alignment layer 520 is disposed on the second array substrate 510 and has a second lower rubbing direction 726 that is in the same direction as the first absorption axis 702 on the first polarizing film 110. The second liquid crystal layer 530 is disposed between the second lower alignment layer 520 and the second upper alignment layer 540. The second upper alignment layer 540 has a second upper alignment direction 728 that intersects the direction of the first absorption axis 702 on the first polarizing film 110. The second counter substrate 550 is disposed on the second upper alignment layer 540.

It can be seen from the above embodiments of the present invention that the application of the foregoing technology not only makes the polarizing plate thinner and lighter, but also significantly improves the light transmittance, and further saves the steps of product production and reduces the cost of product production.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100. . . Polarizer

110. . . First polarizing film

112. . . First surface

114. . . Second surface

120. . . First lower wide viewing angle film

122. . . First upper wide viewing angle film

130. . . First protective film

200. . . Liquid crystal display module

210. . . LCD panel

220. . . First corresponding polarizer

230. . . Second wide viewing angle film

240. . . Second polarizing film

242. . . Third surface

244. . . Fourth surface

250. . . Second protective film

310. . . First array substrate

320. . . First lower alignment layer

330. . . First liquid crystal layer

340. . . First upper alignment layer

350. . . First counter substrate

400. . . Liquid crystal stereo display

410. . . Second corresponding polarizer

412. . . Third polarizing film

414. . . Third protective film

416. . . Third wide viewing angle film

420. . . Liquid crystal grating

422. . . First grating surface

424. . . Second grating surface

432. . . Fifth surface

434. . . Sixth surface

510. . . Second array substrate

520. . . Second lower alignment layer

530. . . Second liquid crystal layer

540. . . Second upper alignment layer

550. . . Second counter substrate

702. . . First absorption axis

704. . . First penetration axis

706. . . First lower wide viewing angle slow axis

708. . . First upper wide viewing angle slow axis

710. . . Second absorption axis

712. . . Second penetration axis

714. . . Second slow axis

716. . . First lower alignment direction

718. . . First upper alignment direction

720. . . Third absorption axis

722. . . Third penetration axis

724. . . Third slow axis

726. . . Second alignment direction

728. . . Second alignment direction

1 is a schematic view showing a polarizing plate according to an embodiment of the present invention.

2 is a schematic view showing a liquid crystal display module according to an embodiment of the invention.

3 is a schematic view showing a liquid crystal panel as shown in FIG. 2 according to an embodiment of the present invention.

4 is a schematic view showing a liquid crystal stereoscopic display according to an embodiment of the present invention.

Fig. 5 is a schematic view showing a liquid crystal grating as shown in Fig. 4 according to an embodiment of the present invention.

100. . . Polarizer

110. . . First polarizing film

112. . . First surface

114. . . Second surface

120. . . First lower wide viewing angle film

122. . . First upper wide viewing angle film

130. . . First protective film

200. . . Liquid crystal display module

210. . . LCD panel

220. . . First corresponding polarizer

230. . . Second wide viewing angle film

240. . . Second polarizing film

242. . . Third surface

244. . . Fourth surface

250. . . Second protective film

400. . . Liquid crystal stereo display

410. . . Second corresponding polarizer

412. . . Third polarizing film

414. . . Third protective film

416. . . Third wide viewing angle film

420. . . Liquid crystal grating

422. . . First grating surface

424. . . Second grating surface

432. . . Fifth surface

434. . . Sixth surface

702. . . First absorption axis

704. . . First penetration axis

706. . . First lower wide viewing angle slow axis

708. . . First upper wide viewing angle slow axis

710. . . Second absorption axis

712. . . Second penetration axis

714. . . Second slow axis

716. . . First lower alignment direction

718. . . First upper alignment direction

720. . . Third absorption axis

722. . . Third penetration axis

724. . . Third slow axis

Claims (67)

A polarizing plate comprising: a first polarizing film having a first surface, a second surface, a first absorption axis, and a first transmission axis, the second surface corresponding to the first surface, the first a direction of the transmission axis intersecting the direction of the first absorption axis; a first lower viewing angle film attached to the first surface of the first polarizing film; and a first upper viewing angle film attached to the first surface a second surface of a polarizing film. The polarizing plate of claim 1, wherein the first polarizing film comprises a polyvinyl alcohol material. The polarizing plate of claim 1, wherein the first lower wide viewing angle film and the first upper wide viewing angle film both comprise a cellulose triacetate material. The polarizing plate of claim 1, further comprising: a first protective film made of a cellulose triacetate material, disposed opposite to the first polarizing film, and attached to the first upper viewing angle film, and The first upper wide viewing angle film is located between the first polarizing film and the first protective film. The polarizing plate of claim 1, wherein the first lower wide viewing angle film and the first upper wide viewing angle film respectively have a first lower wide viewing angle slow axis and a first upper wide viewing angle slow axis, the first lower The wide viewing angle slow axis direction is parallel to the first upper wide viewing angle slow axis direction. The polarizing plate of claim 5, wherein the first lower wide viewing angle slow axis direction and the first upper wide viewing angle slow axis direction are both parallel to the first absorption axis direction. The polarizing plate of claim 5, wherein the first lower wide viewing angle slow axis direction and the first upper wide viewing angle slow axis direction are perpendicular to the first through axis direction. A liquid crystal display module, comprising: the polarizing plate of any one of claim 1 to claim 7; and a liquid crystal panel attached to the first lower viewing angle film, and the first lower The viewing angle film is located between the first polarizing film and the liquid crystal panel. The liquid crystal display module of claim 8, further comprising: a first corresponding polarizing plate disposed on a corresponding side of the liquid crystal panel with respect to the polarizing plate, wherein the liquid crystal panel is located at the polarizing plate and corresponding to the first Between polarizers. The liquid crystal display module of claim 9, wherein the first corresponding polarizing plate further comprises: a second polarizing film having a third surface, a fourth surface, a second absorption axis, and a second penetration a second surface corresponding to the third surface, the second absorption axis direction is parallel to the first penetration axis direction, the second penetration axis direction is parallel to the first absorption axis direction; a second wide view a cornea attached to the third surface of the second polarizing film and interposed between the liquid crystal panel and the second polarizing film; and a second protective film made of a cellulose triacetate material And on the fourth surface of the second polarizing film, and the second polarizing film is located between the second wide viewing film and the second protective film. The liquid crystal display module of claim 10, wherein the second polarizing film comprises a polyvinyl alcohol material, and the second wide viewing angle film comprises a cellulose triacetate material. The liquid crystal display module of claim 10, wherein the second wide viewing angle film has a second slow axis, the second slow axis direction being parallel to the first transmission axis direction. A liquid crystal display comprising: a liquid crystal display module according to claim 8; a second corresponding polarizing plate; and a liquid crystal grating having a first grating surface and a second grating surface, the second corresponding polarization The liquid crystal display module is disposed opposite to the second grating surface, and the liquid crystal grating is disposed between the polarizing plate and the second corresponding polarizing plate. The liquid crystal stereoscopic display of claim 13, wherein the second corresponding polarizing plate further comprises: a third polarizing film having a fifth surface, a sixth surface, a third absorption axis, and a third transmission axis The sixth surface corresponds to the fifth surface, the third absorption axis direction is parallel to the first penetration axis direction, and the third penetration axis direction is parallel to the first absorption axis direction; a third protective film, Made of a cellulose triacetate material, adhered to the fifth surface of the third polarizing film; and a third wide viewing angle film attached to the sixth surface of the third polarizing film, and The third polarizing film is between the first grating surface. The liquid crystal stereoscopic display of claim 14, wherein the third polarizing film comprises a polyvinyl alcohol material, and the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 13, wherein no other polarizing plate is disposed between the second grating surface of the liquid crystal grating and the liquid crystal display module. A liquid crystal display comprising: a liquid crystal display module according to claim 9; a second corresponding polarizing plate; and a liquid crystal grating having a first grating surface and a second grating surface, the second corresponding polarization The liquid crystal display module is disposed opposite to the second grating surface, and the liquid crystal grating is disposed between the polarizing plate and the second corresponding polarizing plate. The liquid crystal stereoscopic display of claim 17, wherein the second corresponding polarizing plate further comprises: a third polarizing film having a fifth surface, a sixth surface, a third absorption axis, and a third transmission axis The sixth surface corresponds to the fifth surface, the third absorption axis direction is parallel to the first penetration axis direction, and the third penetration axis direction is parallel to the first absorption axis direction; a third protective film, Made of a cellulose triacetate material, adhered to the fifth surface of the third polarizing film; and a third wide viewing angle film attached to the sixth surface of the third polarizing film, and The third polarizing film is between the first grating surface. The liquid crystal stereoscopic display of claim 18, wherein the third polarizing film comprises a polyvinyl alcohol material, and the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 17, wherein no other polarizing plate is disposed between the second grating surface of the liquid crystal grating and the liquid crystal display module. A liquid crystal display device, comprising: the liquid crystal display module of claim 10; a second corresponding polarizing plate; and a liquid crystal grating having a first grating surface and a second grating surface, the second corresponding polarization The liquid crystal display module is disposed opposite to the second grating surface, and the liquid crystal grating is disposed between the polarizing plate and the second corresponding polarizing plate. The liquid crystal stereoscopic display of claim 21, wherein the second corresponding polarizing plate further comprises: a third polarizing film having a fifth surface, a sixth surface, a third absorption axis, and a third transmission axis The sixth surface corresponds to the fifth surface, the third absorption axis direction is parallel to the first penetration axis direction, and the third penetration axis direction is parallel to the first absorption axis direction; a third protective film, Made of a cellulose triacetate material, adhered to the fifth surface of the third polarizing film; and a third wide viewing angle film attached to the sixth surface of the third polarizing film, and The third polarizing film is between the first grating surface. The liquid crystal stereoscopic display of claim 22, wherein the third polarizing film comprises a polyvinyl alcohol material, and the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 21, wherein no other polarizing plate is disposed between the second grating surface of the liquid crystal grating and the liquid crystal display module. A liquid crystal display device comprising: the liquid crystal display module of claim 11; a second corresponding polarizing plate; and a liquid crystal grating having a first grating surface and a second grating surface, the second corresponding polarization The liquid crystal display module is disposed opposite to the second grating surface, and the liquid crystal grating is disposed between the polarizing plate and the second corresponding polarizing plate. The liquid crystal stereoscopic display of claim 25, wherein the second corresponding polarizing plate further comprises: a third polarizing film having a fifth surface, a sixth surface, a third absorption axis, and a third transmission axis The sixth surface corresponds to the fifth surface, the third absorption axis direction is parallel to the first penetration axis direction, and the third penetration axis direction is parallel to the first absorption axis direction; a third protective film, Made of a cellulose triacetate material, adhered to the fifth surface of the third polarizing film; and a third wide viewing angle film attached to the sixth surface of the third polarizing film, and The third polarizing film is between the first grating surface. The liquid crystal stereoscopic display of claim 26, wherein the third polarizing film comprises a polyvinyl alcohol material, and the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 25, wherein no other polarizing plate is disposed between the second grating surface of the liquid crystal grating and the liquid crystal display module. A liquid crystal display device, comprising: the liquid crystal display module of claim 12; a second corresponding polarizing plate; and a liquid crystal grating having a first grating surface and a second grating surface, the second corresponding polarization The liquid crystal display module is disposed opposite to the second grating surface, and the liquid crystal grating is disposed between the polarizing plate and the second corresponding polarizing plate. The liquid crystal stereoscopic display of claim 29, wherein the second corresponding polarizing plate further comprises: a third polarizing film having a fifth surface, a sixth surface, a third absorption axis, and a third transmission axis The sixth surface corresponds to the fifth surface, the third absorption axis direction is parallel to the first penetration axis direction, and the third penetration axis direction is parallel to the first absorption axis direction; a third protective film, Made of a cellulose triacetate material, adhered to the fifth surface of the third polarizing film; and a third wide viewing angle film attached to the sixth surface of the third polarizing film, and The third polarizing film is between the first grating surface. The liquid crystal stereoscopic display of claim 30, wherein the third polarizing film comprises a polyvinyl alcohol material, and the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 29, wherein no other polarizing plate is disposed between the second grating surface of the liquid crystal grating and the liquid crystal display module. A polarizing plate comprising: a first lower wide viewing angle film having a first lower wide viewing angle slow axis; a first polarizing film directly attached to the first lower wide viewing angle film and having a first absorption axis a first upper wide viewing angle film directly attached to the first polarizing film, and having a first upper wide viewing angle slow axis and the first absorption axis in the same direction; And a first protective film directly attached to the first upper viewing angle film. The polarizing plate of claim 33, wherein the first lower viewing angle film comprises a cellulose triacetate material. The polarizing plate of claim 33, wherein the first polarizing film comprises a polyvinyl alcohol material. The polarizing plate of claim 33, wherein the first upper viewing angle film comprises a cellulose triacetate material. The polarizing plate of claim 33, wherein the first protective film comprises a cellulose triacetate material. A liquid crystal display module comprising: a second protective film; a second polarizing film directly attached to the second protective film and having a second transmission axis; and a second wide viewing angle film directly attached On the second polarizing film, and having a second slow axis, the second slow axis intersects the second penetrating axis; a liquid crystal panel directly attached to the second wide viewing angle film; and as requested The polarizing plate of any one of clauses 33 to 37, which is directly attached to the liquid crystal panel, and the first absorption axis is in the same direction as the second transmission axis. The liquid crystal display module of claim 38, wherein the liquid crystal panel further comprises: a first array substrate; a first lower alignment layer disposed on the first array substrate and having a first lower alignment direction and The first absorption axis direction intersects; a first liquid crystal layer is disposed on the first lower alignment layer; a first upper alignment layer is disposed on the first liquid crystal layer and has a first upper alignment direction and the The first absorption axis direction is in the same direction; and a first opposite substrate is disposed on the first upper alignment layer. The liquid crystal display module of claim 38, wherein the second protective film comprises a cellulose triacetate material. The liquid crystal display module of claim 38, wherein the second polarizing film comprises a polyvinyl alcohol material. The liquid crystal display module of claim 38, wherein the second wide viewing angle film comprises a cellulose triacetate material. A liquid crystal display device comprising: the liquid crystal display module according to claim 38; a liquid crystal grating directly attached to the first protective film; and a third wide viewing angle film directly attached to the liquid crystal grating And having a third slow axis intersecting the first absorption axis direction; a third polarizing film directly attached to the third wide viewing angle film and having a third transmission axis The third penetration axis direction is in the same direction as the first absorption axis direction; and a third protective film is directly attached to the third polarizing film. The liquid crystal display of claim 43, wherein the liquid crystal grating further comprises: a second array substrate; a second lower alignment layer disposed on the second array substrate and having a second lower alignment direction and the a first liquid crystal layer disposed on the second lower alignment layer; a second upper alignment layer disposed on the second liquid crystal layer and having a second upper alignment direction and the first An absorption axis intersects; and a second counter substrate is disposed on the second upper alignment layer. The liquid crystal stereoscopic display of claim 43, wherein the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 43, wherein the third polarizing film comprises a polyvinyl alcohol material. The liquid crystal stereoscopic display of claim 43, wherein the third protective film comprises a cellulose triacetate material. A liquid crystal display device comprising: the liquid crystal display module according to claim 39; a liquid crystal grating directly attached to the first protective film; and a third wide viewing angle film directly attached to the liquid crystal grating And having a third slow axis intersecting the first absorption axis direction; a third polarizing film directly attached to the third wide viewing angle film and having a third transmission axis The third penetration axis direction is in the same direction as the first absorption axis direction; and a third protective film is directly attached to the third polarizing film. The liquid crystal display of claim 48, wherein the liquid crystal grating further comprises: a second array substrate; a second lower alignment layer disposed on the second array substrate and having a second lower alignment direction and the a first liquid crystal layer disposed on the second lower alignment layer; a second upper alignment layer disposed on the second liquid crystal layer and having a second upper alignment direction and the first An absorption axis intersects; and a second counter substrate is disposed on the second upper alignment layer. The liquid crystal stereoscopic display of claim 48, wherein the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 48, wherein the third polarizing film comprises a polyvinyl alcohol material. The liquid crystal stereoscopic display of claim 48, wherein the third protective film comprises a cellulose triacetate material. A liquid crystal display module, comprising: the liquid crystal display module according to any one of claim 40; a liquid crystal grating directly attached to the first protective film; and a third wide viewing angle film directly attached to the liquid crystal display module The liquid crystal grating has a third slow axis, and the third slow axis direction intersects with the first absorption axis direction; a third polarizing film directly adheres to the third wide viewing angle film and has a first a third penetration axis, the third penetration axis direction is in the same direction as the first absorption axis direction; and a third protection film directly attached to the third polarization film. The liquid crystal display of claim 53, wherein the liquid crystal grating further comprises: a second array substrate; a second lower alignment layer disposed on the second array substrate and having a second lower alignment direction and the a first liquid crystal layer disposed on the second lower alignment layer; a second upper alignment layer disposed on the second liquid crystal layer and having a second upper alignment direction and the first An absorption axis intersects; and a second counter substrate is disposed on the second upper alignment layer. The liquid crystal stereoscopic display of claim 53, wherein the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 53, wherein the third polarizing film comprises a polyvinyl alcohol material. The liquid crystal stereoscopic display of claim 53, wherein the third protective film comprises a cellulose triacetate material. A liquid crystal display device comprising: the liquid crystal display module of claim 41; a liquid crystal grating directly attached to the first protective film; and a third wide viewing angle film directly attached to the liquid crystal grating And having a third slow axis intersecting the first absorption axis direction; a third polarizing film directly attached to the third wide viewing angle film and having a third transmission axis The third penetration axis direction is in the same direction as the first absorption axis direction; and a third protective film is directly attached to the third polarizing film. The liquid crystal display of claim 58, wherein the liquid crystal grating further comprises: a second array substrate; a second lower alignment layer disposed on the second array substrate and having a second lower alignment direction and the a first liquid crystal layer disposed on the second lower alignment layer; a second upper alignment layer disposed on the second liquid crystal layer and having a second upper alignment direction and the first An absorption axis intersects; and a second counter substrate is disposed on the second upper alignment layer. The liquid crystal stereoscopic display of claim 58, wherein the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 58, wherein the third polarizing film comprises a polyvinyl alcohol material. The liquid crystal stereoscopic display of claim 58, wherein the third protective film comprises a cellulose triacetate material. A liquid crystal display device comprising: the liquid crystal display module according to claim 42; a liquid crystal grating directly attached to the first protective film; and a third wide viewing angle film directly attached to the liquid crystal grating And having a third slow axis intersecting the first absorption axis direction; a third polarizing film directly attached to the third wide viewing angle film and having a third transmission axis The third penetration axis direction is in the same direction as the first absorption axis direction; and a third protective film is directly attached to the third polarizing film. The liquid crystal display of claim 63, wherein the liquid crystal grating further comprises: a second array substrate; a second lower alignment layer disposed on the second array substrate and having a second lower alignment direction and the a first liquid crystal layer disposed on the second lower alignment layer; a second upper alignment layer disposed on the second liquid crystal layer and having a second upper alignment direction and the first An absorption axis intersects; and a second counter substrate is disposed on the second upper alignment layer. The liquid crystal stereoscopic display of claim 63, wherein the third wide viewing angle film comprises a cellulose triacetate material. The liquid crystal stereoscopic display of claim 63, wherein the third polarizing film comprises a polyvinyl alcohol material. The liquid crystal stereoscopic display of claim 63, wherein the third protective film comprises a cellulose triacetate material.