Display device

Abstract

The embodiment of the invention relates to a display device. Provided is a display device having improved resistance to moisture. A display device according to an embodiment includes: a first substrate including a first transparent substrate; a second substrate facing the first substrate and including a second transparent substrate, a parallax barrier pattern formed on the first substrate-side surface of the second transparent substrate, and an organic layer covering the second transparent substrate and the parallax barrier pattern; a liquid crystal layer sealed between the first substrate and the second substrate; and a sealing member covering an end portion of the organic layer. The first transparent substrate has a mounting part which extends further than the second transparent substrate and on which the circuit board is mounted. The sealing member covers the end portion of the organic layer other than the end portion on the mounting portion side.

Description

[0001] This application claims priority based on Japanese Patent Application 2023-221235 (filing date: December 27, 2023), and the entire content of this basic application is incorporated herein by reference. Technical Field

[0002] The present invention relates to a display device. Background Art

[0003] In recent years, display devices that display two different images (videos) on one screen have been put into practical use. When such a display device is applied to a vehicle navigation device or the like, for example, a map image is displayed for the driver of the vehicle and a TV image or the like is provided for the passengers, and two different images can be provided for multiple users.

[0004] In such a display device, in order to display two different images on one screen, a parallax barrier pattern is provided between a transparent substrate made of glass or resin and a thick film transparent layer made of an organic layer. However, generally, since the organic layer has low water tolerance, if moisture penetrates into the thick film transparent layer from the end portion of the thick film transparent layer, the parallax barrier pattern may peel off from the transparent substrate due to the penetrated moisture. As a result, display unevenness may occur, and a malfunction may occur in which two different images cannot be provided for multiple users. Summary of the Invention

[0005] An object of the present invention is to provide a display device with improved water tolerance.

[0006] A display device according to one aspect includes: a first substrate including a first transparent substrate; a second substrate that is a second substrate opposed to the first substrate, including a second transparent substrate, a parallax barrier pattern formed on a surface of the second transparent substrate on the first substrate side, and an organic layer covering the second transparent substrate and the parallax barrier pattern; a liquid crystal layer sealed between the first substrate and the second substrate; and a sealant covering an end portion of the organic layer. The first transparent substrate has a mounting portion for mounting a circuit substrate, and the mounting portion extends further than the second transparent substrate. The sealant covers an end portion of the organic layer other than an end portion on the mounting portion side. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic plan view showing a structural example of a liquid crystal display device capable of realizing dual-screen display.

[0008] Figure 2 It is along Figure 1 A schematic cross-sectional view of the liquid crystal display device taken along line A - B in

[0009] Figure 3 It is a schematic cross-sectional view showing a structural example of a liquid crystal display device capable of realizing dual-screen display.

[0010] Figure 4 It is a schematic plan view showing a structural example of a liquid crystal display device according to an embodiment.

[0011] Figure 5 It is shown along Figure 4 A schematic cross-sectional view of a structural example of a liquid crystal display device along line C1 - D1 in

[0012] Figure 6 It is a schematic plan view showing another structural example of the liquid crystal display device of this embodiment.

[0013] Figure 7 It is a schematic plan view showing a structural example of a liquid crystal display device according to the first modification.

[0014] Figure 8 It is shown along Figure 7 A schematic cross-sectional view of a structural example of a liquid crystal display device along line E - F in

[0015] Figure 9 It is a schematic plan view showing a structural example of a liquid crystal display device according to the second modification.

[0016] Figure 10 It is shown along Figure 9 A schematic cross-sectional view of a structural example of a liquid crystal display device along line G - H in

[0017] Figure 11 It is a schematic plan view showing a structural example of a liquid crystal display device according to the third modification.

[0018] Figure 12 It is shown along Figure 11 A schematic cross-sectional view of a structural example of a liquid crystal display device along line I - J in Detailed implementation manners

[0019] Hereinafter, the embodiments will be described with reference to the accompanying drawings.

[0020] In addition, the disclosure is merely an example and does not limit the invention by the content described in the following embodiments. Modifications that can be easily conceived by those skilled in the art are of course included in the scope of the disclosure. For the sake of clarity in the description, there are cases where the dimensions, shapes, etc. of each part are changed with respect to the actual embodiments and are schematically shown in the drawings. In multiple drawings, there are also cases where the same reference numerals are assigned to corresponding elements and detailed descriptions are omitted.

[0021] First, refer to Figures 1 to 3, a structural example of a liquid crystal display device 100 capable of dual-screen display that enables two different images (videos) to be displayed on one screen will be described. In addition, in this embodiment, the case where the liquid crystal display device 100 is a liquid crystal display device of a method called the FFS (Fringe Field Switching) mode will be described. Furthermore, the liquid crystal display device 100 is an example of a "display device" capable of dual-screen display.

[0022] In the liquid crystal display device 100, as Figures 1 to 3 shown, a first substrate SUB1 (array substrate) including a first transparent substrate 1 and a second substrate SUB2 (opposite substrate) including a second transparent substrate 2 are arranged in an opposed manner. The liquid crystal display device 100 separates an image (video) through a parallax barrier pattern 40 to be described later, and realizes dual-screen display of two different images (videos).

[0023] On the surface of the first transparent substrate 1 on the Z1 direction side, a thin film transistor (TFT) 3 for pixel selection, a pixel electrode 4, and a common electrode 5 are formed.

[0024] In addition, as a detailed cross-sectional structure of one pixel, as Figure 3 shown, a gate electrode 6 is provided on the surface of the first transparent substrate 1 on the Z1 direction side. In addition, an insulating film 7 including a gate insulating film 7a made of a SiN film, a SiO2 film, or the like is formed on the gate electrode 6 and the first substrate SUB1. A semiconductor layer 8 composed of a two-layer structure (not shown) of a lower a-Si layer and an upper n-type conductive n + a-Si layer is formed so as to overlap the gate electrode 6 in a plan view with the gate insulating film 7a interposed therebetween.

[0025] On the semiconductor layer 8, a source electrode 9 and a drain electrode 10 are formed so as to overlap the gate electrode 6 in a plan view. In addition, in a plan view, the region of the semiconductor layer 8 sandwiched between the source electrode 9 and the drain electrode 10 functions as a channel region 8a. And the thin film transistor (TFT) 3 for pixel selection is composed of the gate electrode 6, the gate insulating film 7a, the semiconductor layer 8, the source electrode 9, and the drain electrode 10.

[0026] In addition, an interlayer insulating film 11 made of a SiN film or the like is formed so as to cover the source electrode 9, the drain electrode 10, and the insulating film 7. In the interlayer insulating film 11, a contact hole 11a is formed in a region corresponding to the drain electrode 10. On the surface of the interlayer insulating film 11, a planarization film 12 made of an organic film such as an acrylic resin is formed. In addition, a contact hole 12a is formed in the planarization film 12. Further, the pixel electrode 4 is formed on the surface of the planarization film 12 and is connected to the drain electrode 10 via the contact hole 11a and the contact hole 12a, and is formed of a transparent electrode such as ITO (Indium Tin Oxide) or IZO (Indium Zinc Oxide).

[0027] In addition, a passivation film 13 made of SiO2, a SiN film, etc. formed at a low temperature is formed on the surfaces of the planarization film 12 and the pixel electrode 4. In addition, the common electrode 5 is formed of a transparent electrode such as ITO or IZO on the surface of the passivation film 13. A plurality of opening portions 5a are provided in the common electrode 5, and an electric field is configured to be generated between the pixel electrode 4 and the common electrode 5 via the opening portions 5a. As described above, the FFS-mode liquid crystal display device 100 that drives the liquid crystal by the lateral electric field between the pixel electrode 4 and the common electrode 5 is configured.

[0028] In addition, an alignment film 14 made of an organic film such as polyimide is formed on the common electrode 5. The alignment film 14 is formed so as to cover the surface of the common electrode 5 and is formed so as to contact the passivation film 13 via the opening portion 5a of the common electrode 5. In this way, the first substrate SUB1 is composed of the first transparent substrate 1, the thin film transistor 3, the interlayer insulating film 11, the planarization film 12, the pixel electrode 4, the passivation film 13, the common electrode 5, and the alignment film 14.

[0029] In addition, as Figure 2 and Figure 3 shown, a thick film transparent layer 20 made of an organic layer is formed on the surface on the Z2-direction side of the second transparent substrate 2. In addition, as Figure 2 and Figure 3 shown, a parallax barrier pattern 40 is formed on the surface on the Z2-direction side of the second transparent substrate 2. On the surface on the Z2-direction side of the thick film transparent layer 20, color filters 21 of red (R), green (G), and blue (B) are formed. In addition, a plurality of pixels 22 are provided in the liquid crystal display device 100, and a color filter 21 is provided for each pixel 22.

[0030] In addition, as Figure 3As shown, a black matrix 23 formed of resin or the like is formed on the surface of the thick film transparent layer 20 on the Z2-direction side. The black matrix 23 is formed at the boundaries of the pixels 22 in a plan view and is formed in a matrix shape. Further, an overcoat layer 24 as a protective film is formed on the surface of the black matrix 23 and the color filter 21 on the Z2-direction side. Further, an alignment film 25 made of an organic film such as polyimide is formed on the surface of the overcoat layer 24 on the Z2-direction side. In this way, the second substrate SUB2 is constituted by the second transparent substrate 2, the thick film transparent layer 20, the parallax barrier pattern 40, the color filter 21, the black matrix 23, the overcoat layer 24, and the alignment film 25.

[0031] The first substrate SUB1 and the second substrate SUB2 are bonded with a sealant 30 (refer to Figure 2 ), and a liquid crystal layer 31 is sealed between the alignment film 14 on the first substrate SUB1 side and the alignment film 25 on the second substrate SUB2 side. A backlight 50 is provided on the Z2-direction side of the first substrate SUB1, and is configured such that light is emitted from the backlight 50 toward the second substrate SUB2 (Z1-direction side) from the first substrate SUB1.

[0032] The above-described parallax barrier pattern 40 is constituted by, for example, a resin layer or a metal layer such as chromium (Cr), aluminum (Al), silver (Ag), or nickel (Ni), and has light-shielding properties. Further, as Figure 1 shown, in the parallax barrier pattern 40, a plurality of substantially rectangular openings (slits) 40a formed to extend in the Y direction are provided. It is configured such that the parallax barrier pattern 40 between the openings 40a blocks light. Further, the parallax barrier pattern 40 is configured such that two colors out of the three colors (red (R), green (G), and blue (B)) of the color filter 21 can be visually recognized from the openings 40a of the parallax barrier pattern 40.

[0033] Further, since the thick film transparent layer 20 is constituted by an organic layer, its moisture resistance is low. If moisture intrudes into the thick film transparent layer 20 from the end portion of the thick film transparent layer 20, the parallax barrier pattern 40 may peel off from the second transparent substrate 2 due to the intruded moisture. If the parallax barrier pattern 40 peels off from the second transparent substrate 2, the traveling direction of the light from the backlight 50 cannot be appropriately distributed, so there is a problem that dual screen display cannot be achieved.

[0034] Therefore, the liquid crystal display device 100 of the present embodiment suppresses the intrusion of moisture into the thick film transparent layer 20 by covering the end portion of the thick film transparent layer 20 with a sealant 60 described later. Hereinafter, with reference to Figure 4 and Figure 5 a structural example of the liquid crystal display device 100 of the present embodiment will be described.

[0035] Figure 4This is a schematic plan view showing a structural example of the liquid crystal display device 100 of the present embodiment. In addition, in Figure 4 only the first transparent substrate 1, the second transparent substrate 2, and the seal 60 among the elements constituting the liquid crystal display device 100 are illustrated.

[0036] The first transparent substrate 1 has side surfaces 1a, 1b along the X direction and side surfaces 1c, 1d along the Y direction. The second transparent substrate 2 has side surfaces 2a, 2b along the X direction and side surfaces 2c, 2d along the Y direction.

[0037] In a plan view, the side surface 1a of the first transparent substrate 1 does not overlap with the side surface 2a of the second transparent substrate 2. Similarly, in a plan view, the side surfaces 1b, 2b, the side surfaces 1c, 2c, and the side surfaces 1d, 2d do not overlap respectively. The first transparent substrate 1 has extension portions Ex1 (first extension portions) between the side surfaces 1a, 2a, between the side surfaces 1b, 2b, between the side surfaces 1c, 2c, and between the side surfaces 1d, 2d. In Figure 4 the example shown, the width W2 of the extension portion Ex1 between the side surfaces 1a, 2a is larger than the width W1 of the extension portion Ex1 between the side surfaces 1b, 2b, between the side surfaces 1c, 2c, and between the side surfaces 1d, 2d. This is because the extension portion Ex1 between the side surfaces 1a, 2a functions as a mounting portion, and a terminal portion (pad group) is formed in the extension portion Ex1 to mount a wiring substrate and an IC chip (not shown) constituting the liquid crystal display device 100.

[0038] On the extension portion Ex1 of the first transparent substrate 1, a seal 60 is provided so as to cover the end portions (the end portions of the thick film transparent layer 20, details will be described later) of the second transparent substrate 2 other than the end portions on the mounting portion side (that is, the side surfaces 2b to 2d other than the side surface 2a). In other words, the seal 60 is provided on the extension portion Ex1 other than the extension portion Ex1 that functions as a mounting portion so as to cover the end portion (the end portion of the thick film transparent layer 20) of the second transparent substrate 2. The width W3 of the seal 60 is preferably set to 0.5 mm to 1.5 mm, for example.

[0039] Figure 5 is a schematic cross-sectional view of the liquid crystal display device 100 along the C1 - D1 line in Figure 4 .

[0040] As Figure 5 shown, on the Z1 direction side of the first transparent substrate 1, an interlayer insulating film 11, a planarization film 12, a passivation film 13, and an alignment film 14 are sequentially stacked to form the first substrate SUB1. In addition, in Figure 5 the components constituting Figure 3Illustration of elements of the thin-film transistor 3 for pixel selection, the pixel electrode 4, and the common electrode 5, but between the first transparent substrate 1 and the alignment film 14, as Figure 3 shown, these elements are also arranged.

[0041] As Figure 5 shown, on the Z2-direction side of the second transparent substrate 2, a thick-film transparent layer 20, a color filter 21, an overcoat layer 24, and an alignment film 25 are sequentially stacked to form the second substrate SUB2. A parallax barrier pattern 40 is formed between the second transparent substrate 2 and the thick-film transparent layer 20, and a black matrix 23 is formed between the thick-film transparent layer 20 and the color filter 21.

[0042] The first substrate SUB1 and the second substrate SUB2 are bonded with a sealant 30, and a liquid crystal layer 31 is sealed between the alignment film 14 on the first substrate SUB1 side and the alignment film 25 on the second substrate SUB2 side. A spacer 32 for forming a cell gap is arranged between the first substrate SUB1 and the second substrate SUB2 outside the sealant 30.

[0043] As Figure 5 shown, the first transparent substrate 1 has an extension Ex1 between the side surface 1b and the side surface 2b of the second transparent substrate 2. Above the extension Ex1, a sealant 60 is provided to cover the end of the second transparent substrate 2 (side surface 2b), the end of the thick-film transparent layer 20, the end of the color filter 21, and the end of the overcoat layer 23 (i.e., the end of the second substrate SUB2). The sealant 60 is formed of, for example, an acrylic resin, an epoxy resin, or a combination thereof. However, the sealant 60 is preferably formed of a material with higher moisture tolerance than the thick-film transparent layer 20.

[0044] In this structure, for example, in the process of bonding the first substrate SUB1 and the second substrate SUB2 with the sealant 30 and forming a protective film (not shown) for protecting an IC chip or the like not shown, the sealant 60 is provided to cover the end of the second substrate SUB2 including the end of the thick-film transparent layer 20.

[0045] In addition, in Figure 5 , a cross-section of the liquid crystal display device 100 along the C1-D1 line in Figure 4 is shown, but the cross-sections of the liquid crystal display device 100 along the C2-D2 line and the C3-D3 line in Figure 4 also have the same structure.

[0046] As described above, in the liquid crystal display device 100 of the present embodiment, the end portion of the thick film transparent layer 20 is covered by the sealant 60 provided on the extension portion Ex1. Thereby, it is possible to suppress moisture from entering the thick film transparent layer 20 from the end portion thereof, and prevent the parallax barrier pattern 40 from peeling off from the second transparent substrate 2.

[0047] In addition, in the present embodiment, the case where the sealant 60 is provided so as to cover the end portion of the thick film transparent layer 20 other than the end portion on the mounting portion side has been described, but it is not limited thereto. For example, the sealant 60 may be as Figure 6 shown, and may be provided in a rectangular frame shape so as to cover the entire circumference of the end portion of the second transparent substrate 2 including the entire circumference of the end portion of the thick film transparent layer 20 (that is, the side surfaces 2a to 2d).

[0048] Hereinafter, a modified example will be described.

[0049] (First Modified Example)

[0050] The difference between the first modified example and the Figure 4 and Figure 5 shown structure is that a cover member 28 described later is further provided on the second transparent substrate 2. Hereinafter, mainly the parts different from the Figure 4 and Figure 5 shown structure will be described, and the description of the parts the same as the Figure 4 and Figure 5 shown structure will be omitted.

[0051] Figure 7 is a schematic plan view showing a structural example of the liquid crystal display device 100 of the first modified example. In addition, in Figure 7 , only the first transparent substrate 1, the second transparent substrate 2, the sealant 60, and the cover member 28 among the elements constituting the liquid crystal display device 100 are shown.

[0052] The cover member 28 has side surfaces 28a and 28b along the X direction and side surfaces 28c and 28d along the Y direction.

[0053] In a plan view, the side surface 28a of the cover member 28 overlaps with the side surface 1a of the first transparent substrate 1. Similarly, in a plan view, the side surfaces 28b, 28c, and 28d of the cover member 28 overlap with the side surfaces 1b, 1c, and 1d of the first transparent substrate 1, respectively.

[0054] In addition, in a plan view, the side surface 28a of the cover member 28 does not overlap with the side surface 2a of the second transparent substrate 2. Similarly, in a plan view, the side surfaces 28b, 28c, and 28d of the cover member 28 do not overlap with the side surfaces 2b, 2c, and 2d of the second transparent substrate 2, respectively. The cover member 28 has extension portions Ex2 (second extension portions) between the side surfaces 28a and 2a, between the side surfaces 28b and 2b, between the side surfaces 28c and 2c, and between the side surfaces 28d and 2d.

[0055] Between the extension portion Ex1 of the first transparent substrate 1 and the extension portion Ex2 of the cover member 28, a seal member 60 is provided so as to cover the end portions of the second transparent substrate 2 (end portions of the thick film transparent layer 20, details of which will be described later) other than the end portions on the mounting portion side.

[0056] In addition, in Figure 7 FIG. 8, a case where the side surfaces 28a to 28d of the cover member 28 and the side surfaces 1a to 1d of the first transparent substrate 1 overlap in a plan view is shown, but it is not limited thereto, and the side surfaces 28a to 28d of the cover member 28 and the side surfaces 1a to 1d of the first transparent substrate 1 may not overlap in a plan view.

[0057] Figure 8 is a schematic cross-sectional view of the liquid crystal display device 100 along the E-F line in Figure 7 FIG. 14.

[0058] As shown in Figure 8 FIG. 19, a polarizing plate 26 is disposed on the surface on the Z1 direction side of the second transparent substrate 2. In addition, on the Z1 direction side of the polarizing plate 26, a cover member 28 is disposed via an adhesive layer 27. As the cover member 28, for example, a glass substrate, a resin substrate, or the like can be used.

[0059] As described above, between the extension portion Ex1 of the first transparent substrate 1 and the extension portion Ex2 of the cover member 28, a seal member 60 is provided so as to cover the end portions of the polarizing plate 26, the end portions of the second transparent substrate 2, the end portions of the thick film transparent layer 20, the end portions of the color filter 21, and the end portions of the overcoat layer 23 (i.e., the end portions of the second substrate SUB2).

[0060] The liquid crystal display device 100 of the first modification example described above also does not change in that the end portion of the thick film transparent layer 20 is covered by the seal member 60 provided between the extension portions Ex1 and Ex2. Therefore, similar to the structures shown in Figure 4 and Figure 5 FIG. 29, it is possible to suppress moisture from entering the thick film transparent layer 20 from the end portion of the thick film transparent layer 20 and prevent the parallax barrier pattern 40 from peeling off from the second transparent substrate 2.

[0061] (Second modification example)

[0062] The second modification example and Figure 4 and Figure 5 the difference from the structure shown is that a cover member 28 is further provided on the second transparent substrate 2, and the first transparent substrate 1 does not have an extension portion Ex1 other than the mounting portion. Hereinafter, mainly for Figure 4 and Figure 5 the parts different from the structure shown will be described, and the description of the parts the same as the structure shown in Figure 4 and Figure 5 will be omitted.

[0063] Figure 9 is a schematic plan view showing a structural example of the liquid crystal display device 100 of the second modification example. In addition, in Figure 9 , only the first transparent substrate 1, the second transparent substrate 2, the sealant 60, and the cover member 28 among the elements constituting the liquid crystal display device 100 are shown.

[0064] The cover member 28 has side surfaces 28a, 28b along the X direction and side surfaces 28c, 28d along the Y direction.

[0065] In a plan view, the side surfaces 1b, 1c, 1d of the first transparent substrate 1 overlap the side surfaces 2b, 2c, 2d of the second transparent substrate 2, respectively. On the other hand, in a plan view, the side surface 1a of the first transparent substrate 1 does not overlap the side surface 2a of the second transparent substrate 2. The first transparent substrate 1 has an extension portion Ex1 that functions as a mounting portion between the side surfaces 1a, 2a.

[0066] In a plan view, the side surfaces 28b, 28c, 28d of the cover member 28 do not overlap the side surfaces 1b, 1c, 1d of the first transparent substrate 1 and the side surfaces 2b, 2c, 2d of the second transparent substrate 2, respectively. In addition, in a plan view, the side surface 28a of the cover member 28 overlaps the side surface 1a of the first transparent substrate 1 and does not overlap the side surface 2a of the second transparent substrate 2. The cover member 28 has extension portions Ex2 between the side surfaces 28a, 2a, between the side surfaces 28b, 2b, between the side surfaces 28c, 2c, and between the side surfaces 28d, 2d.

[0067] Under the extension portion Ex2 of the cover member 28, a sealant 60 is provided so as to cover the ends other than the ends on the mounting portion side of the ends of the first transparent substrate 1 and the second transparent substrate 2 (the ends of the thick film transparent layer 20, which will be described in more detail later).

[0068] In addition, in Figure 9 , the case where the side surface 28a of the cover member 28 overlaps the side surface 1a of the first transparent substrate 1 in a plan view is shown, but it is not limited thereto, and the side surface 28a of the cover member 28 and the side surface 1a of the first transparent substrate 1 may not overlap in a plan view.

[0069] Figure 10 is a schematic cross-sectional view of a liquid crystal display device 100 along the G-H line in Figure 9 .

[0070] As shown in Figure 10 , a polarizing plate 26 is disposed on the surface of the second transparent substrate 2 on the Z1 direction side. Further, on the Z1 direction side of the polarizing plate 26, a cover member 28 is disposed via an adhesive layer 27. As the cover member 28, for example, a glass substrate, a resin substrate, or the like can be used.

[0071] As described above, below the extension portion Ex2 of the cover member 28, a seal 60 is provided so as to cover the end portion of the first substrate SUB1 and the end portion of the second substrate SUB2 including the thick film transparent layer 20.

[0072] The liquid crystal display device 100 of the second modification example described above also does not change in that the end portion of the thick film transparent layer 20 is covered with the seal 60 provided below the extension portion Ex2. Therefore, similar to the structure shown in Figure 4 and Figure 5 , it is possible to suppress moisture from entering the thick film transparent layer 20 from the end portion of the thick film transparent layer 20 and prevent the parallax barrier pattern 40 from peeling off from the second transparent substrate 2.

[0073] (Third Modification Example)

[0074] The difference between the third modification example and the structure shown in Figure 4 and Figure 5 is that the first transparent substrate 1 does not have an extension portion Ex1 other than the mounting portion. Hereinafter, mainly the portions different from the structure shown in Figure 4 and Figure 5 will be described, and the description of the portions similar to the structure shown in Figure 4 and Figure 5 will be omitted.

[0075] Figure 11 is a schematic plan view showing a structural example of the liquid crystal display device 100 of the third modification example. In addition, in Figure 11 , only the first transparent substrate 1, the second transparent substrate 2, and the seal 60, which are elements constituting the liquid crystal display device 100, are illustrated.

[0076] In a plan view, the side surfaces 1b, 1c, 1d of the first transparent substrate 1 overlap the side surfaces 2b, 2c, 2d of the second transparent substrate 2, respectively. On the other hand, in a plan view, the side surface 1a of the first transparent substrate 1 does not overlap the side surface 2a of the second transparent substrate 2. The first transparent substrate 1 has an extension portion Ex1 that functions as a mounting portion between the side surfaces 1a and 2a.

[0077] A seal 60 is provided at an end other than the end on the mounting portion side at the ends of the first transparent substrate 1 and the second transparent substrate 2 (the end of the thick-film transparent layer 20, which will be described in more detail later).

[0078] Figure 12 It is along Figure 11 a schematic cross-sectional view of the liquid crystal display device 100 along the I-J line in

[0079] As Figure 12 shown, the seal 60 is provided so as to cover the end of the first substrate SUB1 and the end of the second substrate SUB2 including the thick-film transparent layer 20. In addition, in this structure, since there is no portion for supporting the seal 60 (specifically, the portions corresponding to the above-mentioned extension portions Ex1 and Ex2), the seal 60 is adhered to the end of the first substrate SUB1 and the end of the second substrate SUB2 including the thick-film transparent layer 20 only by the adhesive force it has itself.

[0080] The liquid crystal display device 100 of the third modification example described above also does not change in that the end of the thick-film transparent layer 20 is covered by the seal 60, so similar to the Figure 4 and Figure 5 structures shown, it is possible to suppress moisture from entering the thick-film transparent layer 20 from the end of the thick-film transparent layer 20 and prevent the parallax barrier pattern 40 from peeling off from the second transparent substrate 2.

[0081] In each of the modification examples described above, the case where the seal 60 is provided so as to cover the end other than the end on the mounting portion side at the end of the thick-film transparent layer 20 has been described, but it is not limited to this. It may also be the case where the seal 60 is formed in a rectangular frame shape so as to cover the entire circumference of the end of the thick-film transparent layer 20.

[0082] According to one embodiment described above, it is possible to provide a liquid crystal display device 100 with high moisture tolerance.

[0083] In addition, several embodiments of the present invention have been described, but these embodiments are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and its equivalent scope.

Claims

1. A display device, characterized in that: have: The first substrate comprises a first transparent substrate; a second substrate which is opposed to the first substrate and includes a second transparent substrate, a parallax barrier pattern formed on a surface of the second transparent substrate on the first substrate side, and an organic layer covering the second transparent substrate and the parallax barrier pattern; A liquid crystal layer is sealed between the first substrate and the second substrate; as well as A sealing member, covering the end of the organic layer; The first transparent substrate has a mounting portion for mounting the circuit substrate, and the mounting portion extends further than the second transparent substrate; The sealing member covers the ends of the organic layer other than the end on the mounting portion side.

2. The display device according to claim 1, wherein: The first transparent substrate also has a first extending portion extending further than the second transparent substrate at the periphery other than the mounting portion; The sealing member is provided on the first extending portion so as to cover an end portion of the organic layer.

3. The display device according to claim 2, wherein: Also comprising a cover member disposed on the second transparent substrate; The cover member has a second extension portion extending further than the second transparent substrate around the entire circumference; The sealing member is provided between the first extending portion and the second extending portion so as to cover an end portion of the organic layer.

4. The display device according to claim 1, wherein: Also comprising a cover member disposed on the second transparent substrate; The cover member has a second extension portion extending further than the second transparent substrate around the entire circumference; The sealing member is provided under the second extending portion so as to cover an end portion of the organic layer.

5. The display device according to any one of claims 1 to 4, characterized in that The sealing material is provided so as to cover also an end portion of the end portion of the organic layer on the mounting portion side.

Images