JP2009198850A - Electrooptical device and electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent big stress which leads to crack from being generated inside an electrooptical device, even when an impact is applied on the electrooptical device. <P>SOLUTION: The electrooptical device comprises: a substrate 11 including an electrooptical material and a terminal 21 at an edge section; a member 17 provided at an opposite side of the substrate 11 by pinching the electrooptical material; a protection cover 4 fixed to the member 17; a driving IC 19 which is mounted at an edge section side 18 of the substrate 11; a space section formed by the edge section side 18 of the substrate 11 and the protection cover 4; and a spacer 25 which is provided between the edge section side 18 of the substrate 11 of the space section, and the protection cover 4, and in an area where the driving IC 19 is not mounted. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electro-optical device such as a liquid crystal display device and an organic EL device, and an electronic apparatus such as a mobile phone.

  2. Description of the Related Art Conventionally, electro-optical devices such as liquid crystal display devices have been widely used in electronic devices such as mobile phones. For example, an electro-optical device is used as an image display unit of an electronic device. In a liquid crystal display device as an electro-optical device, liquid crystal as an electro-optical material is sandwiched between a pair of substrates facing each other. Further, in an organic EL device as an electro-optical device, an organic EL as an electro-optical material is provided on a substrate, and a protective member or the like is provided on the organic EL.

  The substrate that supports the electro-optic material is made of, for example, glass. This substrate may be shocked and damaged when the electro-optical device or the electronic apparatus is dropped. This damage often occurs at the boundary between two substrates facing each other in a liquid crystal display device or the like, or at the boundary between a substrate and a protective member in an organic EL or the like. This seems to be caused by stress concentration occurring at the boundary portion.

  For example, consider the liquid crystal display device 101 shown in FIG. The liquid crystal display device 101 includes a lower glass substrate 102 having a large area, an upper glass substrate 103 having a small area, an upper polarizing plate 104 attached to an outer surface of the upper glass substrate 103, and an outer surface of the lower glass substrate 102. And a lower polarizing plate 107 attached to the substrate. A driving IC 105 is mounted on a flat portion of the lower glass substrate 102 that protrudes to the outside of the upper glass substrate 103 in a plan view, and an FPC (Flexible Printed Circuit: flexible print) is formed on a side edge portion of the protruding portion. Circuit) substrate 106 is connected.

  The liquid crystal display device 101 is received by a frame-shaped receiving member that is a component of the liquid crystal display device 101 on the portion indicated by the chain line X0, that is, the surface of the upper polarizing plate 104, or an electronic device using the liquid crystal display device 101. It is received by the receiving member which is a component. Hereinafter, the surface indicated by the chain line X0 may be referred to as a receiving surface. Conventionally, an interval of about 0.2 to 0.3 mm has been formed between the receiving surface X0 and the surface of the FPC board 106. When the liquid crystal display device 101 falls and the surface on the upper polarizing plate 104 collides with an obstacle such as a floor, a bending load F is applied to the protruding portion of the lower substrate 102 as shown in FIG. In addition, a tensile stress σ is generated at the boundary portion A between the lower substrate 102 and the upper substrate 103.

  When this tensile stress σ was subjected to simulation analysis using simulation software, an analysis result as shown in FIG. 11 was obtained. That is, it has been found that stress is particularly concentrated at the central portion B in the width direction (portion indicated by high-density oblique lines) in the boundary portion A between the lower substrate 102 and the upper substrate 103. For this reason, when the bending load F is applied to the overhanging portion of the lower substrate 102, the boundary portion A is easily damaged.

  2. Description of the Related Art Conventionally, an electro-optical device having a configuration in which a boundary portion between a pair of substrates facing each other is reinforced by applying an epoxy resin to prevent the substrate from being damaged as described above. (For example, refer to Patent Document 1). In this electro-optical device, it is intended to increase the strength against stress by applying a resin to an edge portion where cracking is likely to occur.

JP 2006-227417 A (page 4, FIG. 1)

  The conventional electro-optical device disclosed in Patent Document 1 is configured to increase the strength against stress generated in the portion by applying a resin to the portion where the crack is likely to occur. A sufficient effect has not been obtained with respect to preventing the occurrence of cracks when the apparatus is dropped.

  The present invention has been made in view of such a problem, and even when an impact is applied to the electro-optical device, a large stress that leads to cracking is not generated inside the electro-optical device. The purpose is to do.

  A first electro-optical device according to the present invention includes a substrate having an electro-optical material and a terminal at an end thereof, a member provided on the opposite side of the substrate with the electro-optical material interposed therebetween, and fixed to the member A protection member, an electronic component provided on an end portion side of the substrate, a space portion formed by the end portion side of the substrate and the protection member, and the end portion of the substrate in the space portion. It has a spacer provided in the area | region where the said electronic component is not provided between the side and the said protection member, It is characterized by the above-mentioned.

  In the above configuration, the electro-optical material is a material whose optical state changes according to a change in electrical input, such as a liquid crystal layer used in a liquid crystal display device or an organic EL layer used in an organic EL display. The protective member is a member for protecting a panel (for example, a liquid crystal panel or an organic EL panel) that is a structure for displaying an image, for example, and can be formed by a flat sheet made of plastic, for example. The electronic component is an arbitrary component constituting an electronic circuit, for example, an IC chip.

  “A member provided on the opposite side of the substrate with the electro-optical material interposed therebetween” is a member to which a protective member is fixed, and this member is the outermost surface disposed on the outermost side of the electro-optical device. Or a member closer to the substrate than the member forming the outermost surface. For example, when the member constituting the outermost surface is a polarizing plate and the polarizing plate is fixed on a glass substrate, the protective member may be fixed to the glass substrate instead of the polarizing plate. In this case, “a member provided on the opposite side of the substrate with the electro-optical material interposed therebetween” is not a polarizing plate which is a member forming the outermost surface, but a glass substrate therebelow.

  In a conventional electro-optical device, a space is formed on the end side of the substrate. When an external force is applied to the substrate when the electro-optical device receives an impact due to dropping or the like, the substrate bends in the space portion, and stress is generated in the portion of the substrate where the bending starts, causing breakage or cracking from the portion. There was a fear. On the other hand, in the electro-optical device according to the present invention, since the spacer is provided in the space formed on the end side of the substrate, the space is filled with the spacer, and the substrate is bent in the space upon impact. Therefore, no stress is generated on the substrate, and therefore breakage and cracking of the substrate can be effectively prevented. In this manner, an electro-optical device having extremely excellent impact resistance can be obtained.

  In the electro-optical device according to the aspect of the invention, the spacer has a corner near the corner of the substrate, and the corner of the spacer is 0 in two directions of the corner from the apex of the corner of the substrate. It is desirable to be in an area within 5 mm. If the spacer is provided in this range on the end side of the substrate, the occurrence of bending on the end side of the substrate can be effectively prevented.

  Next, a second electro-optical device according to the present invention includes a substrate having an electro-optical material and a terminal at an end, and an outermost surface provided on the opposite side of the substrate with the electro-optical material interposed therebetween. A member formed, a protective member fixed to the member, an electronic component provided on the end side of the substrate, and a space formed by the end side of the substrate and the protective member The height from the surface of the substrate having the terminals to the outer surface of the electronic component is formed lower than the height from the surface of the substrate having the terminals to the outer surface of the member. And a spacer provided between the end side of the substrate in the space and the protective member and provided on at least the electronic component.

  In the above configuration, the member that forms the outermost surface is a member that is a unitary configuration (unit) for displaying an image, such as a member provided on the outermost side of an electro-optical panel such as a liquid crystal panel or an EL panel. For example, (1) a polarizing plate used in a liquid crystal display device, (2) a protective member for protecting an organic EL layer in an organic EL display, and (3) an appearance improving sheet (for example, an antireflection sheet) used in various display devices , Viewing angle adjustment sheet), (4) glass substrate itself, and the like.

  According to this electro-optical device, since the space formed between the electronic component provided on the end side of the substrate and the protection member is filled with the spacer, the substrate bends in the space upon impact. Therefore, no stress is generated on the substrate, and therefore, breakage, cracking, etc. of the substrate can be effectively prevented. In this manner, an electro-optical device having extremely excellent impact resistance can be obtained.

  Next, an electronic device according to the present invention fixes a substrate having a substrate having an electro-optic material and having terminals at end portions, a member provided on the opposite side of the substrate with the electro-optic device interposed therebetween, and the substrate. Formed by a housing, a protective member provided on the housing and protecting the substrate, an electronic component provided on the end side of the substrate, the end side of the substrate and the protective member It has a space part, and the spacer provided in the area | region where the said electronic component is not provided between the said edge part side of the said board | substrate of the said space part, and the said protection member, It is characterized by the above-mentioned.

  According to this electronic apparatus, since the space portion formed on the end portion side of the substrate is filled with the spacer, the substrate does not bend in the space portion at the time of impact, so that stress is generated in the substrate. Therefore, the substrate can be effectively prevented from being broken or cracked. In this manner, an electro-optical device having extremely excellent impact resistance can be obtained.

  Next, another electronic device according to the present invention includes a substrate having an electro-optic material and having a terminal at an end thereof, and a member forming an outermost surface provided on the opposite side of the substrate with the electro-optic device interposed therebetween A housing that fixes the substrate, a protective member that is provided on the housing and protects the substrate, an electronic component that is disposed on the end side of the substrate, and the end portion side of the substrate and the protection And the height from the surface of the substrate having the terminal to the outer surface of the electronic component is from the surface of the substrate having the terminal. The spacer is formed lower than the height to the outer surface of the member, and has a spacer provided at least on the electronic component between the end portion side of the substrate in the space and the protective member. It is characterized by that.

  According to this electronic apparatus, since the space formed between the electronic component provided on the end side of the substrate and the protection member is filled with the spacer, the substrate bends in the space upon impact. Therefore, no stress is generated on the substrate, and therefore, the substrate can be effectively prevented from being broken or cracked. In this way, an electronic device having extremely excellent impact resistance can be obtained.

  Next, a third electro-optical device according to the present invention includes a substrate having an electro-optical material and a terminal at an end, and an outermost surface provided on the opposite side of the substrate with the electro-optical material interposed therebetween. And a spacer provided on a region where the electronic component is not provided, and a spacer provided from the surface of the substrate provided with the terminal. The height from the surface of the board to the outer surface of the member is substantially the same as the height from the surface of the substrate provided with the terminals.

  According to this electro-optical device, since the height of the outer surface of the spacer is substantially the same as the height of the outer surface of the member constituting the outermost surface, the member constituting the outermost surface is received by the protective cover or any other object. When received by a member, the receiving member will inevitably receive a spacer. Thereby, the edge part side can be received by the receiving member so that the edge part side of the substrate provided with the spacer is not bent. For this reason, it can prevent that the edge part side of a board | substrate bends at the time of an impact, and can prevent damage, a crack, etc. of a board | substrate.

  Next, a fourth electro-optical device according to the present invention includes a substrate having an electro-optical material and a terminal at an end, and an outermost surface provided on the opposite side of the substrate with the electro-optical material interposed therebetween. An outer surface of the spacer from a surface of the substrate provided with the terminals, and a member provided on the end side of the substrate, and a spacer provided on at least the electronic component. The height from the surface of the substrate to the outer surface of the member is substantially the same as the height of the substrate.

  According to this electro-optical device, the spacer is provided on the electronic component provided on the end side of the substrate, and the height of the outer surface of the spacer is substantially the same as the height of the outer surface of the member constituting the outermost surface. Therefore, when the member constituting the outermost surface is received by the protective cover or some other receiving member, the receiving member necessarily receives the spacer. Thereby, the end part side can be received by the receiving member so that the end part side of the substrate on which the electronic component and the spacer are provided is not bent. For this reason, it can prevent that the edge part side of a board | substrate bends at the time of an impact, and can prevent damage, a crack, etc. of a board | substrate.

  Next, from another viewpoint, the fifth electro-optical device according to the present invention includes a substrate, an electro-optical material layer provided on the substrate, and the electro-optical material layer interposed therebetween. A member having an outermost surface provided on the opposite side of the substrate, and the substrate has an extending portion extending outside the member forming the outermost surface in a plan view, that is, an end portion side of the substrate. An electronic component (for example, an IC chip) is provided on the end side of the substrate, and the electronic component is in a direction along the side of the member forming the outermost surface forming the end side of the substrate. A spacer is provided on one side with respect to the center line on the end side of the substrate, and a spacer is provided on the end side of the substrate on the side opposite to the side on which the electronic component is offset. Is an empty space on the substrate up to the same position as the height of the member constituting the outermost surface from the surface of the substrate. Characterized in that it is used to fill.

  According to this electro-optical device, the spacer is provided on the extended portion of the substrate, that is, the region opposite to the side where the electronic component is offset on the end portion side of the substrate. Further, since the spacer is used to fill the space on the substrate up to the same position as the height position from the substrate surface of the member constituting the outermost surface, the member constituting the outermost surface is used as a protective cover or the like. When received by the receiving member, the receiving member also receives the surface of the spacer at the same time. Conventionally, the area opposite to the electronic component on the end side of the board has not been received by the receiving member. Therefore, when an impact is applied due to dropping or the like, the end side of the board in that area bends and starts to bend. There was a possibility that stress was generated in the substrate of the part to be damaged, and that the part was damaged or cracked. On the other hand, in the electro-optical device according to the present invention, since the end portion side of the substrate is received by the receiving member via the spacer, the end portion side of the substrate is not bent at the time of impact, and thus stress is generated on the substrate. Therefore, it is possible to effectively prevent breakage, cracking, etc. of the substrate. In this manner, an electro-optical device having extremely excellent impact resistance can be obtained.

  The receiving member may be one of the components of the electro-optical device, or may be one of the components of an electronic device configured using the electro-optical device. In addition, the receiving member may function as a protective member, a protective cover, or the like for the electro-optical panel.

  In the fifth electro-optical device according to the invention, the height of the surface of the electronic component from the surface of the substrate is the same as the height of the surface of the member constituting the outermost surface from the surface of the substrate, The height of the surface of the spacer from the surface of the substrate is preferably the same as the height of the surface of the member constituting the outermost surface from the surface of the substrate. With this configuration, the end side of the substrate can be received by the receiving member or the like via the electronic component and the spacer, and the receiving member can prevent the end side of the substrate from being bent.

  In the electro-optical device according to the aspect of the invention, the height of the surface of the electronic component from the surface of the substrate is lower than the height of the surface of the member constituting the outermost surface from the surface of the substrate, and the surface of the spacer The height of the surface of the substrate from the surface of the member constituting the outermost surface is lower than the height of the surface of the substrate, and a second spacer is provided on the electronic component and the spacer. The height of the surface of the two spacers from the surface of the substrate is preferably the same as the height of the surface of the member constituting the outermost surface from the surface of the substrate.

  With this configuration, the end side of the substrate can be received by the receiving member or the like through the stacked structure of the electronic component and the second spacer and the stacked structure of the spacer and the second spacer. The bending can be prevented by the receiving member.

  In the electro-optical device using the second spacer, it is preferable that the height of the surface of the electronic component from the surface of the substrate and the height of the surface of the spacer from the surface of the substrate are the same, and It is desirable that the thickness of the second spacer is uniform. According to this configuration, the second spacer can be easily formed, and the configuration for preventing the bending of the end portion side of the substrate can be a stable configuration.

  In the electro-optical device using the second spacer, it is preferable that the width of the second spacer in plan view is wider than the width of the electronic component and narrower than the width of the spacer. Since the electronic component is a small electronic component, the state when the second spacer is received by the receiving member can be stabilized by making the width of the second spacer wider than the width of the electronic component.

  In the electro-optical device using the second spacer, it is preferable that the second spacer is a light shielding sheet. Accordingly, it is possible to prevent light from entering the electronic component and prevent the electronic component from malfunctioning due to light. The area of the second spacer in plan view is preferably larger than the area of the electronic component. Thereby, the entrance of light to the electronic component can be effectively prevented.

  In the electro-optical device according to the aspect of the invention, the height of the surface of the electronic component from the surface of the substrate is lower than the height of the surface of the member constituting the outermost surface from the surface of the substrate, and the surface of the spacer The height from the surface of the substrate is the same as the height of the surface of the member constituting the outermost surface from the surface of the substrate, and a second spacer is provided on the electronic component, and the second spacer The height of the surface from the surface of the substrate may be the same as the height of the surface of the member constituting the outermost surface from the surface of the substrate. This electro-optical device has a configuration in which the second spacer is provided only on the electronic component and the second spacer is not provided on the spacer. According to the electro-optical device, one side of the end portion side of the substrate is received by the laminated structure of the electronic component and the second spacer, and the other side of the end portion side of the substrate is received by the single layer of the spacer.

  In the electro-optical device according to the aspect of the invention, the area of the spacer in plan view and the area of the electronic component in plan view are the same, and the electronic component and the spacer form the end side of the substrate. It is desirable to be in a symmetrical position with respect to the center line on the end side of the substrate in the direction along the side of the member forming the outermost surface. According to this configuration, even when the electronic component and the spacer are formed in a small size, the substrate extending portion can be stably received by the receiving member.

  Next, an electronic apparatus according to the present invention includes the electro-optical device having the above-described configuration. According to the electro-optical device according to the present invention, it is possible to prevent the occurrence of bending on the end portion side of the substrate of the electro-optical device having a configuration in which the electronic component is mounted on the end portion side of the substrate. Damage to the substrate can be effectively prevented. Therefore, even in an electronic apparatus using the electro-optical device, it is possible to effectively prevent the occurrence of damage at a portion where the electro-optical device is disposed.

(First embodiment of electro-optical device)
Hereinafter, an electro-optical device according to the invention will be described based on embodiments. Of course, the present invention is not limited to this embodiment. In the following description, the drawings are referred to. In the drawings, the components may be shown in different ratios from the actual ones in order to show the characteristic parts in an easy-to-understand manner.

  FIG. 1 shows an embodiment of a liquid crystal display device which is an example of an electro-optical device according to the invention. The liquid crystal display device 1 includes a liquid crystal panel 2A as an electro-optical panel, an FPC (Flexible Printed Circuit) substrate 5 as a wiring board connected to the liquid crystal panel 2A, a lower frame 3, and a protective cover 4 as a protective member. And have. The protective cover 4 also has a function as a receiving member for receiving the liquid crystal panel 2A. When the liquid crystal panel 2A is a transmissive liquid crystal panel, a backlight as an illumination device is provided between the lower frame 3 and the liquid crystal panel 2A, but the illustration thereof is omitted in FIG. The lower frame 3 and the protective cover 4 function as a frame that covers and supports the liquid crystal panel 2A.

  The lower frame 3 is a box-shaped frame member made of, for example, metal or plastic and having side walls on four sides. A cutout may be provided on the side corresponding to the FPC board 5. The protective cover 4 is configured, for example, by attaching a transparent plastic sheet 8 to the entire surface of a plastic flat frame 7 having a rectangular opening 6 and covering the opening 6 with the transparent plastic sheet 8. . The flat frame 7 is made of hard plastic and has flexibility, but has strong elasticity that can maintain the flat plate shape.

  The liquid crystal panel 2A is housed in the lower frame 3, and the protective cover 4 is assembled to the lower frame 3 from above the liquid crystal panel 2A, thereby completing the liquid crystal display device 1 as one module. At this time, the protective cover 4 contacts the surface of the liquid crystal panel 2A and receives the liquid crystal panel 2A. The shape of the lower frame 3 is variously determined according to the shape and function of an electronic device (for example, a mobile phone) to which the liquid crystal display device 1 is assembled. In addition, the shape of the protective cover 4 is also determined accordingly. Further, the lower frame 3 may be a component of the electronic device. In this case, the protective cover 4 is also one of the components of the electronic device.

  The liquid crystal panel 2A includes an element substrate 11 on the lower side of FIG. 1 and a color filter substrate 12 provided on the upper side facing the element substrate 11, and a frame-shaped sealing material (FIG. 1) around them. (Not shown). In a region between the element substrate 11 and the color filter substrate 12 and surrounded by the sealing material, for example, a TN (Twisted Nematic) mode liquid crystal as an electro-optical material is sealed to form an electro-optical material. A liquid crystal layer as a layer is formed. In this embodiment, the color filter substrate 12 is disposed on the observation side (upper side in FIG. 1), and the element substrate 11 is disposed on the back side (lower side in FIG. 1) as viewed from the observation side.

  The element substrate 11 is made of, for example, glass, plastic, or the like, and includes a substrate (hereinafter referred to as a material substrate) as a material that is rectangular (rectangular or square) when viewed in plan from the observation side. This material substrate defines the overall shape of the element substrate 11. A polarizing plate 13 is provided on the outer surface (lower side of FIG. 1) of the material substrate, and other optical elements are provided as necessary. A plurality of source lines 14 and a plurality of gate lines 16 are provided on the inner surface (liquid crystal layer side) of the material substrate. The source line 14 and the gate line 16 are orthogonal to each other in plan view, and a TFT (Thin Film Transistor) as a switching element or an active element is formed in a rectangular planar region surrounded by the source line 14 and the gate line 16. Thin film transistor) elements, pixel electrodes, etc. (none of which are shown) are formed. The TFT element is formed using a low-temperature polysilicon semiconductor.

  Each source line 14 extends in the column direction Y. Each gate line 16 extends in the row direction X. The TFT element is formed in connection with the source line 14 and the gate line 16. The source line 14, the gate line 16, and the pixel electrode are connected to the source, gate, and drain of the TFT element, respectively. The source line 14 functions as a data line for transmitting a data signal to the TFT element. The gate line 16 functions as a scanning line that transmits a scanning signal to the TFT element.

  Next, the color filter substrate 12 facing the element substrate 11 is made of, for example, glass, plastic or the like, and has a rectangular (rectangular or square) material substrate as viewed in plan from the observation side. This material substrate defines the overall shape of the color filter substrate 12. A polarizing plate 17 is provided on the outer surface (upper side in FIG. 1) of the material substrate, and other optical elements are provided as necessary. On the inner surface (liquid crystal layer side) of the material substrate 11, for example, a lattice-shaped light shielding film (not shown) in a plan view, and a colored film (not shown) facing the pixel electrode on the element substrate 11 A common electrode (not shown) is provided. The common electrode is a planar electrode facing a plurality of pixel electrodes arranged in the row direction X and the column direction Y on the element substrate 11.

  Each of the colored films is an optical element that transmits one of R (red), G (green), and B (blue), and the colored films of R, G, and B have a predetermined arrangement when viewed in plan, For example, they are arranged in a stripe arrangement. The light shielding film is formed by overlapping colored films of different colors or by a predetermined material such as Cr (chromium).

  The plurality of pixel electrodes on the element substrate 11 and the common electrode on the color filter substrate 12 overlap each other in a plurality of dot-shaped (that is, island-shaped) regions as viewed in a plan view. The overlapping area forms a sub-pixel which is a unit area for display, a pixel is formed by three sub-pixels corresponding to R, G, and B, and a plurality of pixels are arranged in the row direction X and the column direction. A rectangular display region V is formed by arranging them in a matrix in Y. Images such as letters, numbers, figures, etc. are displayed in the display area V.

  The element substrate 11 has an extending portion 18 (that is, an end portion side of the substrate) 18 extending to the outside of the polarizing plate 17 in a plan view. FIG. 2A shows a cross-sectional structure in the vicinity of the extending portion 18 of the element substrate 11. In FIG. 2A, the element substrate 11 and the color filter substrate 12 are displayed upside down with respect to the case of FIG. In the present embodiment, the polarizing plate 17 is located on the outermost surface portion of the liquid crystal panel 2A. In this specification, the member located on the outermost side of the electro-optical panel such as the liquid crystal panel 2A is referred to as a member constituting the outermost surface of the liquid crystal panel (or electro-optical panel). In the present embodiment, since the polarizing plate 17 is on the outermost side, the polarizing plate 17 is a member that forms the outermost surface. However, when another optical element exists on the further outer side of the polarizing plate 17, the optical element is the outermost surface. It becomes a member forming the outer surface. As such an optical element, for example, a retardation film, an appearance improving film (for example, an antireflection sheet, a viewing angle adjusting sheet), and the like can be considered.

  A driving IC 19 as an electronic component is mounted on the surface of a portion of the extending portion 18 of the element substrate 11 that extends to the outside of the color filter substrate 12 by a conductive adhesive element, for example, an ACF (Anisotropic Conductive Film). Has been. This technique is usually called COG (Chip On Glass). In addition, a spacer 25 is provided in a state where the spacer 25 is adhered, adhered, or simply placed on the extended portion 18 in a region other than the region where the driving IC 19 is mounted. The spacer 25 is made of, for example, PET (polyethylene terephthalate).

  A plurality of wiring terminals 21 are formed on the side end portion of the extending portion 18 that is the end portion side of the element substrate 11. The plurality of input bumps provided on the mounting surface of the driving IC 19 are electrically connected to the wiring terminal 21. On the other hand, the plurality of output bumps provided on the mounting surface of the driving IC 19 are electrically connected to the source line 14 and the gate line 16 on the element substrate 11 side, and the common electrode on the color filter substrate 12 side.

  The FPC board 5 is bonded to a side edge portion of the extending portion 18 of the element substrate 11 by a conductive adhesive element, for example, ACF. The FPC board 5 has a plurality of output terminals 22 at the side edge part to be bonded to the element substrate 11, has a circuit formed by a plurality of electronic components (not shown), A plurality of input terminals 23 are provided at the side edge portions that are not bonded. The input terminal 23, the electronic component, and the output terminal 22 are electrically connected by a wiring pattern (not shown).

  The FPC board 5 is formed by forming a copper wiring pattern on a polyimide base film by a photo-etching process on a polyimide base film, providing a polyimide cover lay or resist thereon, and further providing a circuit at a necessary location. It is formed by mounting components. As circuit components, capacitors, coils, resistors, varistors, and the like are used. The circuit component and the wiring pattern may be provided on one side of the FPC board 5 or may be provided on both sides. In addition, contact holes for electrically connecting the front and back surfaces of the FPC board 5 may be provided at appropriate positions on the FPC board 5. The FPC board 5 can employ other laminated structures as required.

  With the above configuration, when a predetermined driving signal is input from the input terminal 23 of the FPC board 5, the driving IC 19 generates a scanning signal and a data signal for driving the liquid crystal and transmits them to the sub-pixels constituting each pixel. Then, necessary TFT elements are turned ON / OFF. A desired image is displayed in the effective display area V in accordance with the switching operation of the TFT element.

  In the present embodiment, the element substrate 11 and the color filter substrate 12 have a thickness of about 0.2 mm. Here, the thickness of the substrate basically means that member elements such as electrodes, semiconductor structures, and various resin films are formed on a substrate as a material formed of glass or plastic by a known film forming technique or the like. It is the thickness of the material substrate before. However, since the thickness of the above-described member element is sufficiently small compared to the thickness of the material substrate, the term “thickness of the substrate” refers to the thickness of the material substrate and the member element on the material substrate. It includes both the thickness of the substrate after it is formed.

  In FIG. 2A, a space is drawn between the element substrate 11 and the color filter substrate 12. This interval is a so-called cell gap maintained by a spacer inside the panel, a sealing material around the panel, and the like, but this cell gap is actually an interval of about 5 μm, and is the substrate 12, the polarizing plate 17, and the FPC substrate 5. When considering such a thickness, it is a thickness that can be ignored.

  The thickness of the polarizing plate 17 is about 0.15 mm. The thickness of the driving IC 19 is, for example, about 0.35 mm. That is, the thickness of the driving IC 19 is a thickness obtained by adding the color filter substrate 12 and the polarizing plate 17 together. For this reason, the height of the surface of the driving IC 19 from the surface of the element substrate 11 is the same as the height of the surface of the polarizing plate 17 from the surface of the element substrate 11. The thickness of the spacer 25 is the same as that of the driving IC 19 and is, for example, about 0.35 mm. Therefore, the height of the surface of the spacer 25 from the surface of the element substrate 11 is also the same as the height of the surface of the polarizing plate 17 from the surface of the element substrate 11.

  When another optical element is provided on the polarizing plate 17, that is, when the other optical element is a member that forms the outermost surface, the height of each of the driving IC 19 and the spacer 25 is the other height. It is set to be the same as the height of the optical element. The same height includes not only the case where the height is completely the same, but also the case where a difference occurs due to part error, assembly error, and design tolerance. Specifically, the same height is included when there is a difference within a range of about ± 0.05 mm.

  The FPC board 5 is thinner than the color filter board 12. As described above, the FPC board 5 is formed by superimposing a wiring pattern, a coverlay, a resist, a circuit component, etc. on the base film, but the thickness of the FPC board 5 here excludes the circuit parts. The thickness of the part.

  The protective cover 4 is in direct contact with the surface of the polarizing plate 17 that is a member forming the outermost surface of the liquid crystal panel 2A. In some cases, the protective cover 4 may come into contact with the polarizing plate 17 through additional elements such as an adhesive and a shock absorber. FIG. 2B shows a state in which the liquid crystal panel 2A is viewed in a plan view from the direction of arrow B in FIG. The protective cover 4 is indicated by a chain line. The protective cover 4 is in contact with the peripheral portion of the polarizing plate 17 at the peripheral portion of the opening 6 and receives the polarizing plate 17 and thus the liquid crystal panel 2A. Thus, the entire liquid crystal panel 2A is received by the protective cover 4.

  Further, the protective cover 4 extends linearly to a region facing the extending portion 18 on the end side of the element substrate 11 and extends until it contacts the surfaces of the driving IC 19 and the spacer 25. In this case, the protective cover 4 may be in direct contact with the driving IC 19 and the spacer 25, or may be in contact with an adhesive. Thus, the extending portion 18 of the element substrate 11 is received by the protective cover 4 via the driving IC 19 and the spacer 25. That is, the protective cover 4 receives not only the main body portion of the liquid crystal panel 2A but also the extending portion 18 of the element substrate 11 of the liquid crystal panel 2A.

  Note that the fact that the protective cover 4 is in contact with the respective surfaces of the polarizing plate 17, the driving IC 19, and the spacer 25 means that it includes component errors, assembly errors, design tolerances, and the like. This includes the case where there is a minute gap within the range of these errors. Specifically, a case where there is a gap of about ± 0.1 mm between the protective cover 4 and each element of the polarizing plate 17, the driving IC 19, and the spacer 25 is included.

  With the above receiving structure related to the protective cover 4, if an impact is applied to the liquid crystal panel by dropping as shown in FIG. 10B, the entire liquid crystal panel 2 </ b> A of FIG. 2A is received by the protective cover 4. Therefore, the liquid crystal panel 2A is protected from breakage and cracking without receiving a large impact. Further, since the extending portion 18 of the element substrate 11 of the liquid crystal panel 2A is received by the protective cover 4 via the driving IC 19 and the spacer 25, the element substrate 11 does not bend or bend. Bending stress is not generated at the boundary between the substrate 11 and the color filter substrate 12, and as a result, the element substrate 11 is not damaged or cracked.

  As described above, a liquid crystal display device having extremely excellent impact resistance is configured. Of course, the flat frame 7 (see FIG. 1) of the protective cover 4 is provided with an extension portion 18 when an impact load is applied to the extension portion 18 of the element substrate 11, particularly, the portion protruding to the outside of the color filter substrate 12. Has sufficient rigidity, i.e., mechanical strength, to prevent bending or bending.

  As shown in FIG. 2B, the driving IC 19 includes the center line of the extending portion 18 in the direction along the side of the polarizing plate 17 forming the extending portion 18 on the end side of the element substrate 11. It is mounted on one side (lower side in the figure) with respect to X1. In the present embodiment, since the TFT element is formed using a low-temperature polysilicon semiconductor, circuit components can be easily incorporated on the substrate inside the liquid crystal panel 2A, so that the driving IC 19 is formed in a small size. Therefore, the driving IC 19 can be mounted so as to be offset from the center line X1.

  A spacer 25 is provided on the extending portion 18 in a region opposite to the center line X1 with respect to the side where the driving IC 19 is disposed to be offset. If this spacer 25 is not provided, a large gap, that is, a space, for example, a distance of about 0.2 to 0.3 mm, is formed between the protective cover 4 and the extending portion 18 in the region. When an impact is applied to the liquid crystal panel 2A and an impact load is applied to the extending portion 18 of the element substrate 11, the extending portion 18 where the gap is formed bends or bends, and the element substrate 11 is connected to the color filter substrate 12. Stress may be generated at the boundary portion, and the element substrate 11 may be cracked and damaged.

  However, in this embodiment, a spacer 25 is provided in a region on the opposite side of the driving IC 19 with respect to the center line X1 of the extending portion 18 which is the end portion side of the substrate, and the surface of the spacer 25 from the surface of the element substrate 11 is provided. Since the height is set to be the same as the height from the surface of the element substrate 11 on the surface of the polarizing plate 17 which is a member constituting the outermost surface, in other words, the height from the surface of the element substrate 11 on the surface of the polarizing plate 17 is set. Since the space in the upper region of the extending portion 18 up to the same position as that is filled with the spacer 25, the deflection of the substrate extending portion 18 at the time of impact can be prevented by the spacer 25 in the region where the spacer 25 is present. The element substrate 11 can be prevented from being damaged.

  In the present embodiment, the planar shape of the element substrate 11 is a rectangle or a square, and the planar shape of the spacer 25 is also a rectangle. The spacers 25 extend so that the distances D1 and D2 in the two directions perpendicular to the corners of the element substrate 11 and the corresponding corners of the spacer 25 are within 0.5 mm. 18 is mounted. According to the inventor's experiment, when both the distances D1 and D2 are set within 0.5 mm, the element substrate 11 is not damaged even when an impact is applied to the liquid crystal panel 2A.

  In this embodiment, since the area of the spacer 25 in plan view is set larger than the area of the driving IC 19, the element substrate 11 is received by the wide area of the protective cover 4 via the spacer 25. The spacer 25 may have the same area as the driving IC 19 and may be disposed at a position symmetrical to the driving IC 19 with respect to the center line X1. According to this configuration, the extended portion 18 of the element substrate 11 can be stably received by the protective cover 4 without increasing the area of the spacer 25 so much.

(Second embodiment of electro-optical device)
FIG. 3 shows a cross-sectional structure of a main part of a liquid crystal display device which is another embodiment of the electro-optical device according to the invention. 3A shows a side sectional view of the main part of the liquid crystal display device, and FIG. 3B shows a plan view of the liquid crystal display device. This liquid crystal display device includes an element substrate 11, a color filter substrate 12, a polarizing plate 13, and a polarizing plate 17 as a member forming the outermost surface, as in the case of the previous embodiment shown in FIG. The liquid crystal panel 2A is provided. A driving IC 19 as an electronic component is shifted to one side of the center line X1 on the extending portion 18 which is an end portion side of the element substrate 11, that is, a substrate portion extending to the outside of the polarizing plate 17 in plan view. Is mounted, and a spacer 25 is provided in the opposite region as in the embodiment of FIG.

  In the embodiment of FIG. 2A, the thickness of the driving IC 19 and the spacer 25 is set to the total thickness of the color filter substrate 12 and the polarizing plate 17. On the other hand, in the present embodiment, the thickness of each of the driving IC 19 and the spacer 25 is smaller than the total thickness of the color filter substrate 12 and the polarizing plate 17. That is, the height of the surface of the driving IC 19 from the surface of the element substrate 11 and the height of the surface of the spacer 25 from the surface of the element substrate 11 are respectively the height of the surface of the polarizing plate 17 from the surface of the element substrate 11. It is set lower than this. Further, a light shielding tape 26 as a second spacer is provided on the driving IC 19 and the spacer 25. The light shielding tape 26 may be adhered to the driving IC 19 and the spacer 25, adhered, or simply placed. The height of the surface of the light shielding tape 26 from the surface of the element substrate 11 is set to be the same as the height of the surface of the polarizing plate 17 from the surface of the element substrate 11.

  Specifically, the thickness of the color filter substrate 12 is 0.2 mm, the thickness of the polarizing plate 17 is 0.15 mm, the thickness of the driving IC 19 and the spacer 25 is 0.3 mm, and the light shielding tape The thickness of 26 is 0.05 mm. Thereby, the total thickness of the driving IC 19 and the light shielding tape 26, the total thickness of the spacer 25 and the light shielding tape 26, and the total thickness of the color filter substrate 12 and the polarizing plate 17 are equal to each other. The thickness of the light shielding tape 26 is uniform over the entire region. With the above configuration, the protective cover 4 is in contact with and receives both the surface of the polarizing plate 17 as the member constituting the outermost surface and the surface of the light shielding tape 26. That is, the protective cover 4 receives both the main body portion and the extending portion 18 of the liquid crystal panel 2A.

  With the above receiving structure related to the protective cover 4, if an impact is applied to the liquid crystal panel by dropping as shown in FIG. 10B, the entire liquid crystal panel 2 </ b> A in FIG. 3A is received by the protective cover 4. Therefore, the liquid crystal panel 2A is protected from breakage and cracking without receiving a large impact. Further, the extended portion 18 on the end side of the element substrate 11 of the liquid crystal panel 2A is provided with the protective cover 4 via both the laminated structure of the driving IC 19 and the light shielding tape 19 and the laminated structure of the spacer 25 and the light shielding tape 26. Therefore, the element substrate 11 does not bend or bend. Therefore, no bending stress is generated at the boundary portion between the element substrate 11 and the color filter substrate 12. No breakage or cracking occurs. As described above, a liquid crystal display device having extremely excellent impact resistance is configured.

  In FIG. 3B, the width of the light shielding tape 26 in the direction along the center line X1 in plan view is larger than the width of the driving IC 19 and smaller than the width of the spacer 25. If the width of the light shielding tape 26 is wider than the width of the driving IC 19, it is possible to effectively prevent light from entering the driving IC 19. However, the width of the light shielding tape 26 may be smaller than the width of the driving IC 19 or may be larger than the width of the spacer 25. The second spacer provided to overlap the driving IC 19 and the spacer 25 is not necessarily limited to a tape having a light shielding property, and may be a tape having no light shielding property or a sheet material other than the tape.

(Third embodiment of electro-optical device)
FIG. 4 shows a cross-sectional structure of a main part of a liquid crystal display device which is still another embodiment of the electro-optical device according to the invention. FIG. 4A shows a side sectional view of the main part of the liquid crystal display device, and FIG. 4B shows a plan view of the liquid crystal display device. This liquid crystal display device includes an element substrate 11, a color filter substrate 12, a polarizing plate 13, and a polarizing plate 17 as a member constituting the outermost surface, as in the case of the previous embodiment shown in FIGS. The liquid crystal panel 2A is provided. The driving IC 19 is mounted on one side of the center line X1 on the extending portion 18 which is the end portion side of the element substrate 11, that is, the substrate portion extending to the outside of the polarizing plate 17 in plan view, Further, the spacer 25 is provided in the opposite region as in the embodiment of FIGS. Further, the use of the light shielding tape 26 as the second spacer is the same as that in the embodiment shown in FIG.

  In the previous embodiment shown in FIG. 3, the light shielding tape 26 is provided on the surfaces of both the driving IC 19 and the spacer 25, and the light shielding tape 26 is brought into contact with the protective cover 4 as a receiving member. In contrast, in this embodiment, as shown in FIG. 4, the light shielding tape 26 is laminated only on the driving IC 19, and the light shielding tape is not laminated on the spacer 25. That is, in this embodiment, the driving IC 19 is thinner than the total thickness of the color filter substrate 12 and the polarizing plate 17, and the spacer 25 is the total thickness of the color filter substrate 12 and the polarizing plate 17. The thickness is equal.

  The height of the surface of the driving IC 19 from the surface of the element substrate 11 is lower than the height of the surface of the polarizing plate 17 as a member constituting the outermost surface from the surface of the element substrate 11. The height from the surface of the element substrate 11 to the surface of the polarizing plate 17 is the same as the height from the surface of the element substrate 11 of the polarizing plate 17, and the light shielding tape 26 is provided only on the driving IC 19. The height of the surface of the light shielding tape 26 from the surface of the element substrate 11 is the same as the height of the surface of the polarizing plate 17 from the surface of the element substrate 11. With this configuration, the protective cover 4 is in contact with and receives the surface of the polarizing plate 17 as a member constituting the outermost surface, the surface of the light shielding tape 26, and the surface of the spacer 25. That is, the protective cover 4 receives both the main body portion and the extending portion 18 of the liquid crystal panel 2A.

  With the above receiving structure related to the protective cover 4, if an impact is applied to the liquid crystal panel by dropping as shown in FIG. 10B, the entire liquid crystal panel 2 </ b> A in FIG. 4A is received by the protective cover 4. Therefore, the liquid crystal panel 2A is protected from breakage and cracking without receiving a large impact. Further, since the extending portion 18 of the element substrate 11 of the liquid crystal panel 2A is received by the protective cover 4 via the laminated structure of the driving IC 19 and the light shielding tape 26 and the spacer 25, the element substrate 11 is bent or bent. Therefore, no bending stress is generated at the boundary between the element substrate 11 and the color filter substrate 12, and as a result, the element substrate 11 is not damaged or cracked. As described above, a liquid crystal display device having extremely excellent impact resistance is configured.

(Embodiment 4 of electro-optical device)
FIG. 5 shows a planar structure of a liquid crystal display device which is still another embodiment of the electro-optical device according to the invention. This liquid crystal display device corresponds to a modification of the embodiment shown in FIG. Specifically, the driving IC 29 as an electronic component in the present embodiment is provided at a position offset from the center line X1 of the extending portion 18 on the end side of the element substrate 11, and further, the center line It is provided in a state straddling X1. Also in the liquid crystal display device of this configuration, the protective cover 4 contacts and receives the polarizing plate 17 which is a member forming the outermost surface of the liquid crystal panel 2A, and further contacts the driving IC 29 and the spacer 25 to receive them. ing. By receiving the driving IC 29 and the spacer 25, the protective cover 4 can prevent the extended portion 18 of the element substrate 11 from being bent at the time of impact by the protective cover 4, and therefore can prevent the element substrate 11 from being damaged.

(Fifth embodiment of electro-optical device)
FIG. 6 shows a cross-sectional structure of the main part of an organic EL display (Organic Electroluminescence Display: OELD) which is still another embodiment of the electro-optical device according to the present invention. In this display, an EL panel 2B as an electro-optical panel is housed in a lower frame 3 in place of the liquid crystal panel 2A in FIG. The EL panel 2B has an element substrate 51 and opposing members 52 and 53. The facing member 52 is a protective film, and the facing member 53 is an appearance improving sheet. The appearance improvement sheet 53 is, for example, an antireflection sheet, a viewing angle adjustment sheet, or the like. In the present embodiment, the appearance improving sheet 53 functions as a member that forms the outermost surface that is the outermost member of the EL panel 2B.

  On the element substrate 51, individual sub-pixels are formed by organic EL that emits light of each color of R (red), G (green), and B (blue), and the pixels are formed by a collection of R, G, and B sub-pixels. A display region V (see FIG. 1) is formed by a collection of a plurality of pixels. The protective film 52 functions as a protective member for protecting the organic EL and other elements formed on the element substrate 51. Further, the appearance improvement sheet 53 improves the appearance of the image displayed in the display area V (see FIG. 1). The appearance improving sheet 53 prevents, for example, reflection of light on the image display surface and adjusts the viewing angle at which the image can be visually recognized to be wide or narrow. The driving IC 19 and the spacer 25 are provided on the extending portion 18 (that is, the end portion side of the element substrate 51) that extends outward from the appearance improving sheet 53 in the element substrate 51. The FPC board 5 is connected to the edge of the part 18.

  The thickness of the driving IC 19 and the spacer 25 is a thickness obtained by adding the protective film 52 and the appearance improving sheet 53 together. For this reason, the height of the surface of the driving IC 19 and the spacer 25 from the surface of the element substrate 51 is the same as the height of the surface of the appearance improving sheet 53 from the surface of the element substrate 11.

  When other optical elements are provided on the appearance improving sheet 53, that is, when the other optical elements are members that form the outermost surface, the heights of the driving IC 19 and the spacer 25 are It is set to the same height as other optical elements. The same height includes not only the case where the height is completely the same, but also the case where a difference occurs due to part error, assembly error, and design tolerance. Specifically, the same height is included when there is a difference within a range of about ± 0.05 mm.

  The protective cover 4 is in direct contact with the surface of the appearance improving sheet 53 that is a member constituting the outermost surface of the EL panel 2B. In some cases, the protective cover 4 may come into contact with the appearance improving sheet 53 via an additional element such as an adhesive or a shock absorber. Further, the protective cover 4 extends linearly to a region facing the extending portion 18 of the element substrate 11 and extends until it contacts the surfaces of the driving IC 19 and the spacer 25. In this case, the protective cover 4 may be in direct contact with the driving IC 19 and the spacer 25, or may be in contact with an adhesive. Thus, the extending portion 18 of the element substrate 11 is received by the protective cover 4 via the driving IC 19 and the spacer 25. That is, the protective cover 4 receives not only the main body portion of the EL panel 2B but also the extending portion 18 that is the end portion side of the element substrate 51 of the EL panel 2B.

  Note that the fact that the protective cover 4 is in contact with the respective surfaces of the appearance improving sheet 53, the driving IC 19 and the spacer 25 means that it includes component errors, assembly errors, design tolerances, and the like. There are cases where there is a minute gap within the range of these errors. Specifically, a case where there is a gap of about ± 0.1 mm between the protective cover 4 and each of the following elements, that is, the appearance improving sheet 53, the driving IC 19, and each element of the spacer 25 is included. .

  With the above receiving structure related to the protective cover 4, if an impact is applied to the EL panel by dropping as shown in FIG. 10B, the entire EL panel 2B in FIG. 6 is received by the protective cover 4. The EL panel 2B is protected from breakage and cracking without receiving a large impact. In addition, since the extended portion 18 which is the end portion side of the element substrate 51 of the EL panel 2B is received by the protective cover 4 via the driving IC 19 and the spacer 25, the element substrate 51 can be bent or bent. Therefore, no bending stress is generated at the boundary between the element substrate 51 and the protective film 52, and as a result, the element substrate 51 is not damaged or cracked.

  As described above, an organic EL display having extremely excellent impact resistance is configured. Of course, the flat frame 7 (see FIG. 1) of the protective cover 4 is sufficient to prevent the extension 18 from being bent or bent when an impact load is applied to the extension 18 of the element substrate 51. It has sufficient rigidity, that is, mechanical strength.

(Sixth embodiment of electro-optical device)
FIG. 7 shows a planar structure of a liquid crystal display device which is still another embodiment of the electro-optical device according to the invention. This liquid crystal display device corresponds to a modification of the embodiment shown in FIGS. Specifically, the driving IC 39 as the electronic component in the present embodiment is not offset from the center line X1 of the extending portion 18 on the end portion side of the element substrate 11, and the central portion of the extending portion 18. Is provided. Two spacers 25 are provided in a divided state on both sides of the driving IC 39. The spacer 25 may be provided on either side.

  Also in the liquid crystal display device of this configuration, the protective cover 4 contacts and receives the polarizing plate 17 which is a member constituting the outermost surface of the liquid crystal panel 2A, and further contacts the driving IC 39 and the spacer 25 to receive them. ing. By receiving the driving IC 39 and the spacer 25 by the protective cover 4, it is possible to prevent the extended portion 18 of the element substrate 11 from being bent at the time of impact by the protective cover 4, and therefore it is possible to prevent the element substrate 11 from being damaged.

(Seventh embodiment of electro-optical device)
FIG. 8 shows a planar structure of a liquid crystal display device which is still another embodiment of the electro-optical device according to the invention. In this embodiment, the same members as those in the embodiment shown in FIG. 1 and FIG. In the liquid crystal display device of this embodiment, the spacer 25 is provided only on the driving IC 19 as an electronic component, and the driving IC 19 is provided on the substrate 11 in the region where the driving IC 19 is not provided. Not. Also in this embodiment, since the extended portion 18 of the substrate 11 is received by the protective cover 4 via the driving IC 19 and the spacer 25, the protective cover 4 can prevent the extended portion 18 from being bent at the time of impact.

  The material of the spacer 25 is not limited to a specific material, but in the present embodiment, the spacer 25 is formed of a heat dissipating material that is a material having high thermal conductivity. Although the thermal conductivity of the heat dissipating material is not limited to a specific value, the spacer 25 of this embodiment is formed of a material having a thermal conductivity higher than that of the driving IC 19 and lower than that of the protective cover 4. Yes. With this configuration, the driving IC 19 can be efficiently cooled by the spacer 25.

  In the present embodiment, the driving IC 19 is mounted at the center of the extending portion 18, but the driving IC 19 is offset on the extending portion 18 as shown in FIG. It can also be implemented in position. In this embodiment, the planar shape of the spacer 25 is the same as the planar shape of the driving IC 19. However, the planar shapes may be different from each other.

(Modification of electro-optical device)
In the above embodiment, it is exemplified that one driving IC 19, 29, 39 is mounted on the extending portion 18 of the element substrate 11, that is, the end portion side of the substrate, but a plurality of driving ICs are mounted on the substrate 11. May be implemented. In this case, the spacer 25 is disposed at an appropriate position corresponding to the driving ICs 19, 29, and 39.

  Moreover, in the above description, the polarizing plate 17 (FIG. 2 (a), FIG. 3 (a), FIG. 4 (a)) which is the member in which the protective cover 4 comprises outermost surface, the appearance improvement sheet | seat 53 (FIG. 6). However, instead of these, the protective cover 4 may be fixed to a member other than the polarizing plate 17 and the appearance improving sheet 53. For example, the protective cover 4 can be fixed to the substrate 12 or the protective film 52 to which those members are attached.

  In the above embodiments, the present invention is applied to a liquid crystal display device and an organic EL display. However, the present invention is applied to other electro-optical devices such as an inorganic EL device, a plasma display device (PDP: Plasma Display), and an electrophoretic display. The present invention can also be applied to a device (EPD: Electrophoretic Display) and a field emission display device (FED: Field Emission Display).

(Embodiment of electronic device)
Next, an electronic apparatus according to the present invention will be described based on an embodiment. FIG. 9 shows a mobile phone as an example of an electronic apparatus, which is a mobile phone according to an embodiment of the present invention. The mobile phone 61 shown here has a main body 62 and a display body 63 provided to be openable and closable with respect to the main body 62. The display unit 63 is provided with an electro-optical panel 64 and a receiver 66. Various displays relating to telephone communication are displayed in the display area V of the electro-optical panel 64. The control unit for controlling the operation of the electro-optical panel 64 is stored in the main body unit 62 or the display body unit 63 as a part of the control unit that controls the entire mobile phone or separately from the control unit. Has been. The main body 62 is provided with an operation button 68 and a transmitter 69.

  The electro-optical panel 64 is configured using the liquid crystal panel 2A shown in FIG. 2, FIG. 3, FIG. 4, or FIG. 5, and the EL panel 2B shown in FIG. FIG. 9 shows a case where the liquid crystal panel 2A of FIG. 2 is used as a representative. The electro-optical panel 64 is accommodated in a container portion provided in the display body 63, and a protective cover 70 is attached to the display body 63 by bonding or the like so as to cover the electro-optical panel 64. The back surface of the protective cover 70 receives a member (the polarizing plate 17 in the case of the liquid crystal panel 2A in FIG. 2) that forms the outermost surface, which is a member positioned on the outermost side of the electro-optical panel 64.

  The protective cover 70 is configured, for example, by attaching a transparent plastic sheet 73 to the entire surface of a plastic flat frame 72 having a rectangular opening 71 and covering the opening 71 with the transparent plastic sheet 73. . An image displayed in the display area V of the electro-optical panel 64 is visually recognized through the opening 71. The flat frame 72 is mechanical enough to prevent the extended portion 18, which is the end portion side of the substrate of the electro-optical panel 64, from being bent or bent toward the outside of the display body 63. Has strength, rigidity, or elastic strength.

  The electro-optical panel 64 used in the present embodiment is, for example, in FIG. 2A when the electro-optical panel 64 is received by the protective cover 70 as described with reference to the liquid crystal panel 2A shown in FIG. The body portion of the electro-optical panel 64 (the liquid crystal panel 2A in FIG. 2A) is received by the protective cover 70 (the protective cover 4 in FIG. 2), and the substrate of the electro-optical panel 64 (the element substrate 11 in FIG. 2). The extending portion 18 is also received by the protective cover 70 (the protective cover 4 in the figure) through the driving IC 19 and the spacer 25.

  For this reason, even when an impact is applied to the electro-optical panel as shown in FIG. 10B due to the fall of the mobile phone 61, the substrate (element substrate) of the electro-optical panel (liquid crystal panel 2A) in FIG. 11) is not bent, and therefore, no bending stress is generated at the boundary portion between the substrate (element substrate 11) and the opposing member (color filter substrate 12), and as a result, the substrate is damaged or cracked. Disappears. For this reason, the drop-proof characteristic of the mobile phone 61 can be improved.

(Variations of electronic devices)
In the above embodiment, the present invention is applied to a mobile phone, but the present invention is also applicable to any other electronic device. For example, personal digital assistants (PDAs), personal computers, liquid crystal televisions, viewfinder type or monitor direct view type video tape recorders, car navigation devices, pagers, electronic notebooks, calculators, word processors, workstations, The present invention can be applied to a video phone device, a POS terminal, a digital still camera, an electronic book, and the like.

(Other embodiments)
The present invention has been described with reference to the preferred embodiments. However, the present invention is not limited to the embodiments, and various modifications can be made within the scope of the invention described in the claims.
For example, in the above description, an active matrix type liquid crystal panel is exemplified as the electro-optical panel, but the liquid crystal panel may have an arbitrary structure. For example, a simple matrix liquid crystal panel may be used.

1 is an exploded perspective view of an embodiment of an electro-optical device according to the invention. 2A and 2B are diagrams illustrating a main part of the electro-optical device in FIG. 1, in which FIG. 1A is a side cross-sectional view, and FIG. 4A and 4B are diagrams illustrating a main part of another embodiment of the electro-optical device according to the invention, in which FIG. FIG. 10 is a diagram illustrating a main part of still another embodiment of the electro-optical device according to the invention, in which (a) is a side sectional view and (b) is a plan view thereof. FIG. 10 is a plan view showing still another embodiment of the electro-optical device according to the invention. FIG. 10 is a side cross-sectional view illustrating a main part of still another embodiment of the electro-optical device according to the invention. FIG. 10 is a plan view showing still another embodiment of the electro-optical device according to the invention. FIG. 10 is a diagram illustrating a main part of still another embodiment of the electro-optical device according to the invention, in which (a) is a side sectional view and (b) is a plan view thereof. 1 is a partially exploded perspective view showing an embodiment of an electronic apparatus according to the present invention. It is side surface sectional drawing which shows the principal part of the conventional electro-optical apparatus. It is a figure which shows the stress analysis simulation at the time of the impact addition with respect to the conventional electro-optical apparatus.

Explanation of symbols

1. Liquid crystal display device (electro-optical device), 2A. Liquid crystal panel (electro-optical panel), 2B. 2. EL panel (electro-optical panel) Bottom frame, 4. 4. Protective cover (protective member) FPC board, 6. 6. opening, Flat frame, 8. 10. Transparent plastic sheet Element substrate (substrate), 12. 12. color filter substrate; Polarizing plate, 14. Source line, 16. Gate line, 17. 17. polarizing plate (member forming outermost surface), 18. Extension part (end side of substrate), 20. Driving IC (electronic component) Wiring terminals, 22. Output terminal, 23. Input terminal, 25. Spacers, 26. Light shielding tape (second spacer), 29. 51. Driving IC (electronic component) Element substrate (substrate), 52. Protective film (opposing member), 53. 61. Appearance improving sheet (member forming outermost surface) Mobile phone (electronic device), 62. Main body, 63. Display body part, 64. Electro-optic panel, 66. Receiving part, 68. Operation buttons, 69. 70. transmitter section. Protective cover (receiving member), 71. Opening, 72. Flat frame, 73. Transparent plastic sheet

Claims (7)

A substrate having an electro-optic material and having terminals at the ends;
A member provided on the opposite side of the substrate across the electro-optic material;
A protective member fixed to the member;
Electronic components provided on the end side of the substrate;
A space formed by the end side of the substrate and the protective member;
An electro-optical device comprising: a spacer provided between the end portion side of the substrate in the space and the protective member and provided in a region where the electronic component is not provided.   The electro-optical device according to claim 1, wherein the spacer has a corner in the vicinity of the corner of the substrate, and the corner of the spacer extends from the apex of the corner of the substrate in two directions of the corner. An electro-optical device characterized by being in an area within 0.5 mm. A substrate having an electro-optic material and having terminals at the ends;
A member forming an outermost surface provided on the opposite side of the substrate with the electro-optic material interposed therebetween;
A protective member fixed to the member;
Electronic components provided on the end side of the substrate;
A space formed by the end side of the substrate and the protective member;
The height from the surface of the substrate provided with the terminal to the outer surface of the electronic component is formed lower than the height of the substrate from the surface provided with the terminal to the outer surface of the member,
An electro-optical device comprising a spacer provided between the end portion side of the substrate in the space and the protective member and provided on at least the electronic component. A substrate having an electro-optic material and having terminals at the ends;
A member provided on the opposite side of the substrate across the electro-optical device;
A housing for fixing the substrate;
A protective member provided on the housing for protecting the substrate;
Electronic components provided on the end side of the substrate;
A space formed by the end side of the substrate and the protective member;
An electronic device comprising: a spacer provided in a region where the electronic component is not provided between the end portion side of the substrate of the space and the protective member. A substrate having an electro-optic material and having terminals at the ends;
A member forming an outermost surface provided on the opposite side of the substrate across the electro-optical device;
A housing for fixing the substrate;
A protective member provided on the housing for protecting the substrate;
Electronic components provided on the end side of the substrate;
A space formed by the end side of the substrate and the protective member;
The height from the surface of the substrate having the terminals to the outer surface of the electronic component is formed lower than the height from the surface of the substrate having the terminals to the outer surface of the member,
An electronic device comprising a spacer provided between the end portion side of the substrate of the space and the protective member and provided on at least the electronic component. A substrate having an electro-optic material and having terminals at the ends;
A member forming an outermost surface provided on the opposite side of the substrate with the electro-optic material interposed therebetween;
Electronic components provided on the end side of the substrate;
A spacer provided in a region where the electronic component is not provided,
The height from the surface of the substrate having the terminal to the outer surface of the spacer is substantially the same as the height from the surface of the substrate having the terminal to the outer surface of the member. An electro-optical device. A substrate having an electro-optic material and having terminals at the ends;
A member forming an outermost surface provided on the opposite side of the substrate with the electro-optic material interposed therebetween;
Electronic components provided on the end side of the substrate;
A spacer provided on at least the electronic component,
The height from the surface of the substrate having the terminals to the outer surface of the spacer is substantially the same as the height from the surface of the substrate having the terminals to the outer surface of the member. An electro-optical device.

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