JP5632414B2 - Liquid crystal display device and electronic apparatus having liquid crystal display device - Google Patents

Description

  The present invention relates to a liquid crystal display device and an electronic apparatus having the liquid crystal display device, and more particularly to a frame structure of the liquid crystal display device.

  A currently known liquid crystal display module (LCM) includes a lower metal frame that accommodates a plastic frame therein, a backlight module disposed in the lower metal frame, and is mounted on the plastic frame. And an arranged liquid crystal display panel. The liquid crystal display panel can be stably disposed on the plastic frame by the upper metal frame assembled around the lower metal frame and contacting the upper end of the liquid crystal display panel. At this point, the assembly of the liquid crystal display module is completed. Next, the liquid crystal display module is sent to the system integrator, where the liquid crystal display module is assembled between the upper housing and the lower housing.

  However, since the conventional liquid crystal display module has a complicated structure as described above and includes many components, it takes a long time to assemble the liquid crystal display module. It was.

  Accordingly, the object of the present invention is to have an integral frame structure that can minimize the number of components, thus simplifying the structure, reducing assembly time, and saving associated manufacturing costs. It is an object of the present invention to provide a liquid crystal display device that can reduce the tolerances between them.

The object of the present invention and the solution of problems existing in the prior art can be realized by using the following technical means. The liquid crystal display device according to the present invention comprises a supporting frame, a backlight module, a liquid crystal display panel, an upper housing having an opening formed to expose the liquid crystal display panel covers the periphery of the liquid crystal display panel, the upper housing A lower housing coupled to the body, two connecting rods disposed between the lower housing and the extension plate, two fasteners for fixing the connecting rod and the extension plate to the lower housing, Is provided.

  The support frame includes a bottom wall and a main peripheral wall extending upward from the bottom wall and integrally formed therewith. The bottom wall and the peripheral wall cooperate to define a receiving space. The bottom wall includes a first support disposed in the receiving space. The main peripheral wall is disposed in the accommodation space and includes a second support body that is spaced above the first support body. The backlight module is supported on the first support. The liquid crystal display panel is supported on the second support, and thus the liquid crystal display panel is located above the backlight module.

1 is a perspective view of a liquid crystal display device according to a first embodiment of the present invention. It is sectional drawing of 1st Embodiment cut | disconnected by the line II-II of FIG. 1 which shows the backlight module and the liquid crystal display panel which were each supported on the 1st and 2nd support body of a support frame. It is a schematic top view of the support frame of 1st Embodiment. It is sectional drawing of 1st Embodiment which shows the alternative form of an upper housing | casing. It is fragment | piece sectional drawing of 1st Embodiment cut | disconnected by line VV of FIG. FIG. 6 is a fragmentary cross-sectional view of a liquid crystal display device according to a second embodiment of the present invention. 6 is a fragmentary cross-sectional view of a liquid crystal display device according to a third embodiment of the present invention. It is a perspective view of the liquid crystal display device by the 4th Embodiment of this invention which shows a mode that glass is assembled | attached to an upper housing | casing. FIG. 10 is a cross-sectional view of the fourth embodiment showing that the first coupling portion of the upper housing is coupled to the second coupling portion of glass. It is sectional drawing of the liquid crystal display device without the upper housing | casing by the 5th Embodiment of this invention. It is a schematic top view of the support frame of 5th Embodiment. FIG. 10 is another cross-sectional view of the fifth embodiment showing the upper housing coupled to the outer peripheral wall of the lower housing. It is another sectional drawing of 5th Embodiment which shows a mode that each fastener fixes an extension board and a connection stick | rod to the baseplate of a lower housing | casing. It is fragmentary sectional drawing of 5th Embodiment which shows the control circuit board arrange | positioned in the accommodation groove | channel of a bottom wall. It is sectional drawing of the liquid crystal display device by the 6th Embodiment of this invention. It is a schematic top view of the support frame of 6th Embodiment. It is a figure similar to FIG. 16 which shows a mode that the optical film layer is connected to the support frame. It is sectional drawing of the liquid crystal display device by the 7th Embodiment of this invention. It is a schematic top view of the support frame of 7th Embodiment. It is a fragment | piece enlarged schematic diagram of 7th Embodiment which shows the double-sided adhesive tape which is arrange | positioned between a liquid crystal display panel and a 2nd support body, and adhere | attaches them. It is sectional drawing of 7th Embodiment which shows the double-sided adhesive tape removed from the liquid crystal display panel and the 2nd support body. It is another sectional drawing of 7th Embodiment which shows the alternative form of a double-sided adhesive tape. It is sectional drawing of the liquid crystal display device by the 8th Embodiment of this invention. It is sectional drawing of the liquid crystal display device by the 9th Embodiment of this invention. It is sectional drawing of the liquid crystal display device by the 10th Embodiment of this invention. It is sectional drawing of the electronic device of this invention.

  The technical features of the present invention and the operational effects thereof will become apparent from the following detailed description of the embodiments described with reference to the accompanying drawings.

  The above and other technical contents, features, and operations of this disclosure will be apparent from the following detailed description of ten embodiments with reference to the drawings. By the description of the specific implementation method, the technical means and effects used to achieve the predetermined object of the present invention will be fully and specifically understood. However, the attached drawings are only for reference and explanation and are not intended to limit the present invention.

  Before elaborating this disclosure, it is noted that in the following description, similar elements are designated with the same reference numerals.

  1 and 2, the liquid crystal display device 100 according to the first embodiment of the present invention is configured to be applicable to a notebook computer as an example for explanation, and includes a support frame 1 and a backlight module 2. And a liquid crystal display panel 3.

  As shown in FIGS. 2 and 3, the support frame 1 includes a bottom wall 11 and a main peripheral wall 12 extending upward from the bottom wall 11 and integrally formed with the bottom wall 11. The bottom wall 11 and the peripheral wall 12 cooperate to define a receiving space 13. The bottom wall 11 includes a first support 111 arranged in the accommodation space 13. The main peripheral wall 12 is disposed in the accommodation space 13 and includes a second support 121 that is disposed above the first support 111 with a space. The backlight module 2 is supported on the first support 111. The liquid crystal display panel 3 is supported on the second support 121 and is therefore located above the backlight module 2. The integrally formed support frame 1 that can simultaneously accommodate the backlight module 2 and the liquid crystal display panel 3 can reduce the number of components of the liquid crystal display device 100, and thus the liquid crystal display device 100 has a simple structure. For this reason, assembly time and its manufacturing cost can be reduced. Furthermore, the cumulative tolerance of components can be reduced.

  The detailed structure of the liquid crystal display device 100 will be described below.

  Referring to FIGS. 2 and 3, the backlight module 2 includes a reflection plate 21, a light guide plate 22 laminated on the reflection plate 21, and an optical film layer 23 laminated on the light guide plate 22. The optical film layer 23 includes a lower diffusion plate, a first prism plate, a second prism plate, and an upper diffusion plate laminated one after another. Since the function of each optical film of the optical film layer 23 is well known in the art, its details are omitted in this specification. Furthermore, the assembly of the optical film layer 23 is not limited to the above disclosure. In this embodiment, the first support 111 is formed on the upper surface of the bottom wall 11. The second support 121 is formed on the upper surface of the main peripheral wall 12 and extends over the entire length thereof. Each of the first and second supports 111 and 121 has a horizontal support surface. Since the reflector 21 is in contact with the first support 111 and the liquid crystal display panel 3 is in contact with the second support 121, the backlight module 2 and the liquid crystal display panel 3 are assembled on the support frame. It does not tilt with respect to the support frame. Furthermore, since the integrally formed support frame 1 can accommodate the backlight module 2 and the liquid crystal display panel 3 at the same time, the accumulated tolerance between the components of the backlight module 2 and the liquid crystal display panel 3 can be reduced.

  The support frame 1 is formed by injection molding of a plastic material. The main peripheral wall 12 further includes an annular protrusion 122 protruding upward from the second support 121. The liquid crystal display device 100 further comprises a positioning element 4 in the form of a frame. The positioning element 4 covers the main peripheral wall 12 and is in contact with the protrusion 122 and the liquid crystal display panel 3. The positioning element 4 is fixed to the protrusion 122 and the liquid crystal display panel 3 by an adhesive or a screw fastening method. As a result, the liquid crystal display panel 3 is stably disposed on the main peripheral wall 12. The positioning element 4 may be made of mylar, aluminum foil or metal. In this embodiment, the positioning element 4 is made of metal so as to provide an EMI countermeasure (electromagnetic interference countermeasure) effect.

  The support frame 1 further includes an auxiliary peripheral wall 14 that integrally extends upward from the outer periphery of the bottom wall 11 and surrounds the outer periphery of the main peripheral wall 12. The liquid crystal display device 100 further includes an upper housing 5 that covers the periphery of the liquid crystal display panel 3. The upper housing 5 is formed by injection molding of a plastic material. The upper housing 5 includes an upper wall 54 in which an opening 51 for exposing the liquid crystal display panel 3 is formed, and an outer peripheral wall 52 that extends downward from the outer periphery of the upper wall 54. The outer peripheral wall 52 is connected to the auxiliary peripheral wall 14 using a coupling means using a hook and a groove or a screw fastening method. By such connection, the upper housing 5 can be stably fixed to the support frame 1. It should be noted that the upper housing 5 in this embodiment can be configured as the upper housing 5 shown in FIG. That is, the upper housing 5 'is formed integrally with the positioning element 4 shown in FIG. The upper housing 5 ′ can similarly achieve the effect provided by the upper housing 5 and the positioning element 4. Therefore, the number of components of the liquid crystal display device 100 can be further reduced.

  FIG. 5 is a fragmentary cross-sectional view of this embodiment taken along line VV in FIG. As shown in FIG. 5, the main peripheral wall 12 is recessed to form a cavity 123 arranged below the second support 121 with a space. The backlight module 2 further includes a light emitting unit 24 that is disposed in the cavity 123 and supplies light to the light guide plate 22. Specifically, the light guide plate 22 has a side surface 221 and an upper surface 222 connected to the upper end portion of the side surface 221. The light emitting unit 24 includes a flexible circuit board 241 disposed on the upper surface 222 of the light guide plate 22, a light emitting diode 242 disposed on the bottom surface of the flexible circuit board 241, and corresponding to the position of the side surface 221 of the light guide plate 22. including. With this configuration, when the support frame 1 is deformed by an external force, the light emitting unit 24 is prevented from being displaced, and light generated by the light emitting diodes 242 is uniformly emitted to the light guide plate 22 through the side surface 221 of the light guide plate 22. Can do.

  Further, the liquid crystal display device further includes an adhesive piece 61. The adhesive piece 61 is bonded to the upper surface 222 of the light guide plate 22 and the bottom surface of the flexible circuit board 241 and is configured as a double-sided adhesive tape disposed therebetween, so that the flexible circuit board 241 is attached to the upper surface 222 of the light guide plate 22. Can be placed stably.

  Referring to FIG. 6, a liquid crystal display device 110 according to the second embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the first embodiment. However, in this embodiment, the light guide plate 22 further has a bottom surface 223 connected to the lower end portion of the side surface 221, the flexible circuit board 241 abuts on the first support 111, and the light emitting diode 242 is a flexible circuit. It is disposed on the upper surface of the substrate 241 and corresponds to the position of the side surface 221 of the light guide plate 22. The adhesive piece 61 is adhered to the bottom surface 223 of the light guide plate 22 and the top surface of the flexible circuit board 241, and thus the light emitting diode 242 can be stably disposed at a position corresponding to the side surface 221 of the light guide plate 22.

  Referring to FIG. 7, the liquid crystal display device 120 according to the third embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the first embodiment. However, in this embodiment, since the support frame 1 is formed by injection molding of a plastic material, the strength thereof is weak. In order to improve the strength of the support frame 1, the metal frame 62 is disposed in the cavity 123. The light emitting unit 24 and the light guide plate 22 are accommodated so as to be sandwiched therebetween. Since the metal frame 62 can protect the light emitting unit 24 by increasing the strength of the support frame 1, the displacement of the light emitting unit 24 can be prevented when the support frame 1 is deformed by an external force.

  Further, in order to increase the flatness of the first support 111 and prevent the light emitting diodes 242 from being disposed obliquely when assembled to the support frame 1, the metal frame 62 is attached to the support frame 1 by, for example, a screw fastening method. Fixed. The metal frame 62 has a substantially U-shaped cross section, and includes a vertical plate 621, a lower holding plate 622 extending horizontally from the lower end portion of the vertical plate 621, and an upper holding portion extending horizontally from the upper end portion of the vertical plate 621. Plate 623. The lower sandwiching plate 622 contacts the first support 111 and engages with the bottom surface of the flexible circuit board 241. The upper sandwiching plate 623 engages with the upper end portion of the light emitting diode 242 and the upper surface 222 of the light guide plate 22. The light emitting diode 242 can be positioned at a position corresponding to the side surface 221 of the light guide plate 22 by the upper and lower sandwich plates 623 and 622 that cooperate to sandwich the light emitting unit 24 and the light guide plate 22 therebetween. Therefore, the light generated by the light emitting diode 242 can be uniformly emitted to the light guide plate 22 through the side surface 221 of the light guide plate 22.

  8 and 9, a liquid crystal display device 130 according to the fourth embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the first embodiment. However, in this embodiment, the liquid crystal display device 130 further includes a glass 7 that covers the opening 51. The glass 7 is a tapered glass.

  The upper housing 5 includes a first coupling portion 53. The glass 7 includes a second coupling part 71 coupled to the first coupling part 53. By connecting the first and second coupling portions 53 and 71, the glass 7 can be fixed to the upper casing 5 and the opening 51 can be covered. In this embodiment, the first coupling portion 53 is the inner circumference of the top wall 54 and defines the opening 51. The second joint portion 71 extends inward from the outer peripheral surface 70 of the glass 7 and is configured as an annular groove that accommodates the inner periphery or the first joint portion 53 in an engaged state. The connection between the first and second coupling parts 53, 71 can be achieved using the following two methods.

  In the first method, the glass 7 is cooled to reduce its volume, after which the glass 7 is transferred to a working environment having room temperature. The glass 7 is then inserted into the opening 51 of the upper housing 5 that aligns the second coupling part 71 with the first coupling part 53. When the glass 7 is left at room temperature for a certain period of time, the glass 7 returns to room temperature and its volume expands. Accordingly, the second coupling portion 71 is fixedly coupled to the first coupling portion 53.

  In the second method, the upper housing 5 is heated to expand its volume, and then the upper housing 5 is moved to a working environment having room temperature. The glass 7 is then inserted into the opening 51 of the upper housing 5 that aligns the second coupling part 71 with the first coupling part 53. When the upper casing 5 is left at room temperature for a certain period of time, the upper casing 5 returns to the room temperature state and its volume is reduced. Accordingly, the second coupling portion 71 is fixedly coupled to the first coupling portion 53.

  In both methods, since the second second coupling portion 71 can be fixedly coupled to the first coupling portion 53, the glass 7 can be fixedly and stably assembled to the upper housing 5. Therefore, the structural strength of the upper housing 5 can be improved. Furthermore, since the glass 7 can be configured to cover part or all of the upper wall 54, the liquid crystal display device 130 can exhibit a visual effect without a frame. It should be noted that the connection between the first and second coupling portions 53, 71 is not limited to the above disclosure.

  Referring to FIGS. 10, 11 and 12, a liquid crystal display device 140 according to the fifth embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the first embodiment. However, in this embodiment, the main peripheral wall 12 of the support frame 1 includes a left wall 124, a right wall 125, a front wall 126 connected to the front ends of the left and right walls 124, 125, a left wall and a right wall. 124, 125 and a rear wall 127 connected to the rear ends. The support frame 1 further includes two elongated extension plates 15 extending outward from the outer surfaces of the left and right walls 124 and 125, respectively. The liquid crystal display device 140 further includes a lower housing 63, two connecting rods 64, and two fasteners 65. The lower housing 63 covers the bottom surface of the support frame and is coupled to the upper housing 5. In this embodiment, the upper housing 5 and the lower housing 63 are made of metal. The outer peripheral wall 631 of the lower housing 63 and the outer peripheral wall 52 of the upper housing 5 are fixedly coupled to each other using a connecting means using a hook and a groove or a screw fastening method. However, the connection between the outer peripheral walls 631 and 52 is not limited to the above disclosure.

  The two connecting rods 64 are made of metal and are respectively connected to two hinges (not shown) of the notebook computer. The hinge is disposed in the system housing (not shown) of the notebook computer, so that the liquid crystal display device 140 can be rotated with respect to the system housing by the hinge. Each of the connecting rods 64 is elongated and is disposed between the base plate 632 of the lower housing 63 and each extension plate 15. Each fastener 65 extends through one of the extension plate 15 and the respective connecting rod 64 and is configured as a screw that engages with the base plate 632, so that each extension plate 15 and each connecting rod 64 is fixed to the base plate 632. Is done. By fixing the connecting rod 64 between the base plate 632 and each extension plate 15, the structural strength between the hinge, the support frame 1 and the lower housing 63 can be increased. Therefore, the liquid crystal display device 140 can be smoothly rotated with respect to the system housing by the hinge. Further, as shown in FIG. 13, two female screw studs 633 are provided on the base plate 632 of the lower housing 63, so that screws or fasteners 65 can be screwed into the screw holes (not shown) of the stud 633, respectively. . In this case, it is not necessary to form a screw hole in the base plate 632 for screwing with the fastener 65. The female screw stud 633 can form a deeper screw hole, and the fixing strength of the fastener 65 when the fastener 65 is engaged with the stud 633 can be increased.

  As shown in FIG. 14, which is a fragmentary sectional side view of the liquid crystal display device 140, the width of the upper wall 54 of the upper housing 5 is effectively reduced so that the liquid crystal display device 140 has a narrow upper frame. Structural design is adopted.

  An accommodation groove 112 is formed in the support frame 1. The liquid crystal display device 140 further includes a control circuit board 66 disposed in the receiving groove 112 and a flexible transmission circuit 67 electrically connected to the liquid crystal display panel 3 and the control circuit board 66. Due to the presence of the accommodating groove 112 that accommodates the control circuit board 66, the control circuit board 66 and the flexible transmission circuit 67 can be disposed between the upper casing 5 and the lower casing 63. The upper housing 5 or the lower housing 63 does not require an additional structure for accommodating the control circuit board 66. Therefore, the width of the upper wall 54 can be reduced, and the liquid crystal display device 140 can have a narrow upper frame.

  Specifically, the bottom wall 11 of the support frame 1 has a bottom surface 113 that is recessed to form the accommodation groove 112, and thus the control circuit board 66 can be accommodated in the bottom wall 11. The flexible transmission circuit 67 is manufactured by chip-on-film (COF) technology, and is configured as a circuit band that transmits a control signal generated by the control circuit board 66 to the liquid crystal display panel 3. The flexible transmission circuit 67 is bent downward and then bent inward to extend around the support frame 1 and connect to the control circuit board 66. Thereby, the flexible transmission circuit 67 can be arranged between the support frame 1 and the positioning element 4.

  15 to 17, a liquid crystal display device 150 according to the sixth embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the first embodiment. However, the liquid crystal display device 150 of this embodiment is realized by the following structural design so that the width of the upper wall 54 of the upper housing 5 can be effectively reduced and the liquid crystal display device 150 can have a narrow upper frame. Is possible.

  In this embodiment, the rear wall 127 of the main peripheral wall 12 has two spaced apart left and right directions to position the backlight module 2 so that the backlight module 2 is assembled to the support frame 1 in the correct assembly direction. A positioning structure 128 is included. Further, the positioning structure 128 can position the backlight module 2 in the accommodation space 13.

  Specifically, each of the positioning structures 128 includes a positioning groove 131 and a positioning stud 132 provided in the positioning groove 131. The optical film layer 23 of the backlight module 2 includes two protrusions 231 having a shape that matches the shape of the positioning groove 131 such that each of the optical film layers 23 engages with the positioning groove 131. A positioning hole 232 having a shape that matches the shape of the positioning stud 132 is formed in each of the protrusions 231. When each projection 231 engages with each positioning groove 131, the positioning stud 132 of each positioning structure 128 extends into the positioning hole 232 of each projection 231, and thus the optical film layer 23 of the backlight module 2 is received. It can be stably positioned in the space 13 and does not wobble. By providing the positioning structure 128 on the rear wall 127 of the main peripheral wall 12, the size of the left and right surfaces of the support frame 1 and the upper wall 54 of the upper housing 5 can be effectively reduced. For example, as shown in FIG. 16, the gap between the right wall 125 and the auxiliary peripheral wall 14 may be omitted so that the liquid crystal display device 150 has a narrow frame.

  18 to 20, a liquid crystal display device 160 according to the seventh embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the first embodiment. However, the liquid crystal display device 160 of this embodiment is realized by the following structural design so that the width of the upper wall 54 of the upper housing 5 can be effectively reduced and the liquid crystal display device 160 can have a narrow upper frame. Is possible.

  In this embodiment, the liquid crystal display device 160 further includes a double-sided adhesive tape 68 that adheres the liquid crystal display panel 3 to one surface of the second support 121. The main peripheral wall 12 further includes a holding portion 129 that protrudes from the other surface of the second support 121. The double-sided adhesive tape 68 and the holding part 129 face each other. When the liquid crystal display panel 3 is assembled on the support frame 1, the liquid crystal display panel 3 is disposed on the second support 121, and therefore the double-sided adhesive tape 68 is adhered to one surface of the liquid crystal display panel 3, and the holding portion Reference numeral 129 holds the other surface of the liquid crystal display panel 3 in a holding hole 10 (see FIG. 18) defined by the holding portion 129 and the second support 121. Therefore, the liquid crystal display panel 3 can be stably fixed on the second support 121 of the support frame 1. With the above configuration, the positioning element 4 shown in FIG. 2 can be eliminated by this, and the support frame 1 can omit a space for accommodating the positioning element 4. Therefore, the width of the support frame 1 and the upper wall 54 of the upper housing 5 can be effectively reduced, and thus the liquid crystal display device 160 can have a narrow frame.

  Further, in consideration of rework of the liquid crystal display device 160 with reference to FIGS. 19 to 21, in this embodiment, the double-sided adhesive tape 68 is bonded to the two opposite surfaces of the tension portion 681 and the tension portion 681. Two double-sided adhesive tape portions 682. The pulling portion 681 is made of PET material. The double-sided adhesive tape portion 682 is further bonded to the second support 121 and the liquid crystal display panel 3 on one surface of the main peripheral wall 12. As best shown in FIG. 19, one end of the pulling portion 681 is exposed from one surface of the liquid crystal display panel 3. When it is desired to disassemble the liquid crystal display device 160 for rework work, the upper housing 5 is first removed from the support frame 1. Thereafter, the exposed end of the pulling portion 681 is pulled out in the direction of the arrow shown in FIG. 19, and the double-sided adhesive tape portion 682 is separated from the second support 121 and the liquid crystal display panel 3. Thereafter, the liquid crystal display panel 3 can be removed from the holding portion 129. Decomposing is extremely simple and convenient, so the time for disassembling can be shortened.

  Alternatively, as shown in FIG. 22, the width of the double-sided adhesive tape 68 can be expanded and the double-sided adhesive tape 68 can be simultaneously bonded to the outer wall surface of the main peripheral wall 12, the bottom wall 11, and the signal transmission line 69.

  Referring to FIG. 23, a liquid crystal display device 170 according to the eighth embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the seventh embodiment. However, in this embodiment, the liquid crystal display device 170 includes two double-sided adhesive tapes 68 that adhere the liquid crystal display panel 3 to the two opposite surfaces of the second support 121. Therefore, the liquid crystal display panel 3 can be stably bonded to the second support 121 of the support frame 1.

  Referring to FIG. 24, a liquid crystal display device 180 according to the ninth embodiment of the present disclosure has the same overall structure as the liquid crystal display device of the seventh embodiment. However, in this embodiment, the main peripheral wall 12 protrudes from the opposite surface of the second second support member 121 and holds the opposite surface of the liquid crystal display panel 3 in the holding hole 10. A portion 129 is further included. Similarly, the liquid crystal display panel 3 can be stably disposed on the second support 121 of the support frame 1.

  Referring to FIG. 25, a liquid crystal display device 190 according to the tenth embodiment of the present disclosure has the same overall structure as the liquid crystal display device according to the first embodiment. However, in this embodiment, the main peripheral wall 12 of the support frame 1 further includes a third support 133 that is disposed above the second support 121 with a space and has a horizontal support surface. The liquid crystal display device 190 further includes a touch control panel 8 supported on the third support 133. In this embodiment, the touch control panel 8 is a capacitive touch control panel fixed to the third support 133 so as to be stably positioned above the liquid crystal display panel 3 using an adhesive or a double-sided adhesive tape. is there. Since the liquid crystal display panel 3 and the touch control panel 8 are positioned on the second and third supports 121 and 133 of the support frame 1, respectively, the assembly accuracy between the liquid crystal display panel 3 and the touch control panel 8 is improved. The cumulative tolerance of components can be reduced.

  Referring to FIG. 26, the liquid crystal display device 190 is applied in an electronic device 200 such as a tablet computer. In this case, a lower housing 63 having a mounting space 634 is provided. The electronic apparatus has the electronic device 9 arranged in the mounting space 634. The electronic device 9 includes a motherboard, a hard disk, a battery, and other essential electronic components that provide normal operation of the electronic device 200. The liquid crystal display device 190 is disposed in the mounting space 634 such that the bottom wall 11 of the support frame 1 is positioned above the electronic device 9. An outer peripheral wall 631 of the lower housing 63 surrounds the main peripheral wall 12 of the support frame 1 and is in contact with the support frame 1. The outer peripheral wall 631 and the main peripheral wall 12 may be connected to each other using a hook and groove connecting means or a screw fastening method. A through hole 114 is formed in the center of the bottom wall 11 so as to communicate with the accommodation space 13. The electronic device 9 transmits power and signals to the backlight module 2, the liquid crystal display panel 3, and the touch control panel 8 of the liquid crystal display device 190 using a cable (not shown) extending through the through hole 114. be able to. By embodying the liquid crystal display device 190 of this disclosure, the number of components of the electronic device 200 can be reduced, and the assembly time and manufacturing cost can be saved. Note that the connection between the outer peripheral wall 631 and the main peripheral wall 12 is not limited to the above disclosure.

  In short, each of the liquid crystal display devices 100 to 190 of the embodiment uses the first and second supports 111 and 121 of the integrally formed support frame 1 that supports the backlight module 2 and the liquid crystal display panel 3, respectively. Therefore, the number of components of the liquid crystal display devices 100 to 190 can be reduced, and the structure of the liquid crystal display devices 100 to 190 is simplified. In addition, assembly time can be reduced, manufacturing costs can be saved, and component tolerances can be reduced. Therefore, the object of the present invention can be realized.

  The present invention has been described above in relation to the content considered to be the most practical embodiment, but the present invention is not limited to the disclosed embodiment, and various configurations within the spirit and scope of the broadest interpretation are possible. It is understood that all such variations and equivalent arrangements are intended to be included.

  The present invention relates to a liquid crystal display device and an electronic apparatus having the liquid crystal display device, and particularly relates to a frame structure of the liquid crystal display device and has industrial applicability.

Claims (11)

A liquid crystal display device (100) comprising:
A support frame (1) comprising a bottom wall (11) and a main peripheral wall (12) extending upward from the bottom wall (11) and integrally formed therewith, wherein the bottom wall (11) and The main peripheral wall (12) cooperates to define a storage space (13), and the bottom wall (11) includes a first support (111) disposed in the storage space (13), A support frame (1) including a second support (121) having a main peripheral wall (12) disposed in the accommodating space (13) and spaced above the first support (111) )When,
A backlight module (2) supported on the first support (111);
A liquid crystal display panel (3) supported on the second support (121) and positioned above the backlight module (2);
An upper housing (5) that covers the periphery of the liquid crystal display panel (3) and has an opening (51) that exposes the liquid crystal display panel (3);
The support frame (1) is made of a plastic material and includes two extension plates (15) extending from two opposite surfaces of the main peripheral wall (12), and the liquid crystal display device (100) is made of metal. A lower housing (63) covering the support frame (1) and coupled to the upper housing (5);
Two connecting rods (64) each disposed between the lower housing (63) and a respective one of the extension plates (15);
Two fasteners (65) each securing one said connecting rod (64) and each one said extension plate (15) to said lower housing (63);
A liquid crystal display device (100) comprising:   When the main peripheral wall (12) is recessed, a cavity (123) is formed below the second support (121) with a space therebetween, and the backlight module (2) is a light guide plate. (22) and a light emitting unit (24), wherein the light guide plate (22) has a side surface (221), an upper surface (222) connected to an upper end portion of the side surface (221), and the side surface (221). ), The light emitting unit (24) is disposed in the cavity (123), the flexible circuit board (241), and the flexible circuit board (241). ) And a light emitting diode (242) corresponding to the position of the side surface (221) of the light guide plate (22), and the liquid crystal display device (100) is flexible. Circuit board (241) and light guide Wherein said top and bottom surfaces (22) (222, 223) is bonded on one preparative, further comprising adhesive pieces disposed therebetween (61), a liquid crystal display device according to claim 1 (100).   A metal frame (62) is disposed in the cavity (123) and accommodates the light emitting unit (24) and the light guide plate (22) so that the metal frame (62) is supported by the support frame. (1) fixed to the vertical plate (621), the lower clamping plate (622) extending horizontally inward from the lower end of the vertical plate (621), and horizontal from the upper end of the vertical plate (621) An upper holding plate (623) extending inward, and the lower holding plate (622) abuts on the first support (111) and is attached to the bottom surface of the flexible circuit board (241). The upper clamping plate (623) is engaged with the upper end of the light emitting diode (242) and the upper surface (222) of the light guide plate (22), and the light emitting diode (242) is engaged with the light guide plate ( Corresponds to side surface (221) of 22) That located in the location, the liquid crystal display device according to claim 2 (100).   The main peripheral wall (12) includes a left wall (124), a right wall (125), a front wall (126), and a rear wall (127), and the rear wall (127) is the backlight module. (2) including a positioning structure (128), wherein the positioning structure (128) includes a positioning groove (131) and a positioning stud (132) provided in the positioning groove (131), An optical film layer (2) having a projection (231) in which a backlight module (2) is engaged with the positioning groove (131) and has a positioning hole (232) through which the positioning stud (132) extends and penetrates. The liquid crystal display device (100) according to any one of claims 1 to 3, further comprising 23).   The liquid crystal display panel (3) further includes at least one double-sided adhesive tape (68) for adhering the liquid crystal display panel (3) to one surface of the second support (121), and the main peripheral wall (12) is provided with the second support. It includes a holding portion (129) that protrudes from the other surface of the body (121) and holds the liquid crystal display panel (3) thereon, and the double-sided adhesive tape (68) extends from the liquid crystal display panel (3). The double-sided pressure-sensitive adhesive tape part (682) including a partially exposed tensile part (681) and two double-sided pressure-sensitive adhesive tape parts (682) respectively bonded to two opposite faces of the tensile part (681) 5. The liquid crystal display device (100) according to claim 1, further bonded to the one surface of the second support (121) and the liquid crystal display panel (3). ). The liquid crystal display panel (3) further comprises two double-sided pressure-sensitive adhesive tapes (68) for bonding the two opposite surfaces of the second support (121), each of the double-sided pressure-sensitive adhesive tapes (68) being A tension portion (681) partially exposed from the liquid crystal display panel (3), and two double-sided adhesive tape portions (682) bonded to two opposite surfaces of the tension portion (681), adhesive tape portion (682) of said second one-way surface and the liquid crystal display panel of the support (121) (3) and so was further adhered respectively, according to any one of claims 1 4 Liquid crystal display device (100).   The main peripheral wall (12) includes two holding portions (129) that protrude from two opposite surfaces of the second support (121) and hold the liquid crystal display panel (3) thereon. The liquid crystal display device according to claim 1.   The support frame (1) further includes an auxiliary peripheral wall (14) extending upward from the outer periphery of the bottom wall (11) and surrounding the main peripheral wall (12), and the upper housing (5) is the auxiliary case The liquid crystal display device (100) according to claim 1, connected to the peripheral wall (14). The upper housing (5) includes a first coupling portion (53), the liquid crystal display device (100) further includes a glass (7) covering the opening (51), and the glass (7) is the first A second coupling portion (71) coupled to one coupling portion (53), wherein the first coupling portion (53) is an inner periphery of the upper housing (5) and the opening (51) The liquid crystal display device (100) according to claim 1, wherein the second coupling portion (71) is configured as an annular groove that accommodates the inner circumference in an engaged state.   The main peripheral wall (12) further includes a third support (133) disposed above the second support (121) at a distance and having a horizontal support surface, and the liquid crystal display device ( The liquid crystal display device (100) according to any one of claims 1 to 7, further comprising a touch control panel (8) supported on the third support (133).   The support frame (1) is formed with a housing groove (112), and the liquid crystal display device (100) includes a control circuit board (66) disposed in the housing groove (112), and the liquid crystal display. A flexible transmission circuit (67) electrically connected to the panel (3) and the control circuit board (66) is further provided, and the bottom wall (11) forms the receiving groove (112). The flexible transmission circuit (67) is configured as a circuit band manufactured by chip-on-film (COF) technology, and the flexible transmission circuit (67) The liquid crystal display device (100) according to any one of claims 1 to 7, wherein the liquid crystal display device (100) is bent and then extends inwardly around the support frame (1) and is connected to the control circuit board (66). .

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