KR20140019525A - Liquid crystal display module, method and apparatus for assembliing the same - Google Patents

Abstract

The present invention relates to a liquid crystal display module having thin bezel width and thickness, and a method and apparatus for assembling the same. The method for assembling the liquid crystal display module according to the present invention comprises the processes of: inverting a liquid crystal display panel, in which an upper substrate and a lower substrate are bonded, upside down and disposing the inverted panel on a stage such that a lower surface of the liquid crystal display panel is directed upward; forming a panel adhesion member, consisting of adhesive resin, on an edge portion of the lower substrate; adhering a panel support frame, supporting the liquid crystal display panel, to the panel adhesion resin; curing the panel adhesion member to couple the panel support frame with the lower substrate; and attaching a reflective sheet onto a lower surface of the panel support frame.

Description

Liquid crystal display module, assembly method thereof and assembly apparatus {LIQUID CRYSTAL DISPLAY MODULE, METHOD AND APPARATUS FOR ASSEMBLIING THE SAME}

The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display module having a thin bezel width and thickness, an assembly method thereof, and an assembly device.

2. Description of the Related Art In recent years, various types of flat panel display devices capable of reducing weight and volume, which are disadvantages of cathode ray tubes (CRTs), have been developed. As a flat display device, a liquid crystal display device, a plasma liquid crystal display panel, a field emission display device, a light emitting display device, and the like are actively used. Although being studied, liquid crystal display devices are in the spotlight due to mass production technology, ease of driving means, and high quality.

The liquid crystal display displays an image by using a thin film transistor as a switching element. This liquid crystal display device is used as a display device of a notebook computer, a tablet computer, a navigation device, a smart phone, or various portable information devices in addition to the display device of a television or a monitor.

The liquid crystal display may include a liquid crystal display module displaying an image, a rear cover covering a rear surface of the liquid crystal display module, and a front cover covering a front edge portion corresponding to the non-display area except the display area of the liquid crystal display module. Can be.

1 is a cross-sectional view schematically showing a part of a conventional liquid crystal display module.

Referring to FIG. 1, a conventional liquid crystal display module includes a liquid crystal display panel 10, a backlight unit 20, a panel support frame 30, a lower case 40, and an upper case 50.

The liquid crystal display panel 10 displays an image corresponding to the data signal by controlling the transmittance of light emitted from the backlight unit 20 by driving the liquid crystal layer according to a data signal and a scan signal provided from a panel driver (not shown). do. To this end, the liquid crystal display panel 10 includes a lower substrate 12, an upper substrate 14, a lower polarizing film 16, and an upper polarizing film 18.

The lower substrate 12 has gate lines and data lines intersecting to define pixel regions, thin film transistors are formed in regions where the gate lines and data lines intersect, and pixel electrodes connected to the thin film transistors are disposed in the pixel regions. Formed. The non-display area and the pad portion of one side of the lower substrate 12 are exposed to the outside so as to be connected to the panel driver for applying signals to the gate line and the data line.

The upper substrate 14 is configured to include a color filter corresponding to the pixel area of the lower substrate 112 so as to be opposed to the lower substrate 12 with a liquid crystal layer (not shown) therebetween. At this time, the upper substrate 14 is formed to have a relatively smaller area than the lower substrate 12 is bonded to the remaining lower substrate 12 except for the pad portion of the lower substrate 12.

The lower polarizing film 16 is attached to the lower surface of the lower substrate 12 to polarize the light irradiated on the lower substrate 12.

The upper polarizing film 18 is attached to the upper surface of the upper substrate 14 to polarize the light emitted to the outside through the upper substrate 14. The lower polarizing film 16 and the upper polarizing film 18 generally have polarization axes perpendicular to each other.

The backlight unit 20 is disposed below the liquid crystal display panel 10 and irradiates light to the lower surface of the liquid crystal display panel 10. [ To this end, the backlight unit 20 may include a light guide plate 21 for moving light incident from a light source (not shown) toward the bottom surface of the liquid crystal display panel 10, and a reflective sheet 23 disposed under the light guide plate 21. And a plurality of optical sheets 25 disposed on the light guide plate 21 to improve luminance characteristics of light irradiated from the light guide plate 21 to the liquid crystal display panel 10.

The panel support frame 30 accommodates the backlight unit 20, supports the rear edge portion of the liquid crystal display panel 10, and surrounds side surfaces of the liquid crystal display panel 10.

The lower case 40 surrounds the lower surface and one portion of the panel support frame 30 by accommodating the panel support frame 30.

The upper case 50 covers the front edge portion of the liquid crystal display panel 10 corresponding to the non-display area except for the display area of the liquid crystal display panel 10, and the side surface of the panel support frame 30 and the lower case 40. ) Wrap the sides. In addition, the upper case 50 may be coupled to the side surface of the lower case 40 to prevent separation of the liquid crystal display panel 10 supported by the panel support frame 30.

In the conventional liquid crystal display module, the upper case 50 must be provided to prevent the liquid crystal display panel 10 from being separated from the panel support frame 30. Since it is disposed above the edge of the (10), there is a problem that the bezel width W increases and the thickness T increases.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to provide a liquid crystal display module having a thin bezel width and thickness, an assembly method thereof, and an assembly apparatus thereof.

In order to achieve the above object, a method of assembling a liquid crystal display module according to the present invention is a process of arranging a liquid crystal display panel on which an upper substrate and a lower substrate are bonded upside down so that a bottom surface of the liquid crystal display panel faces upwards. ; Forming a panel adhesive member made of an adhesive resin on an edge portion of the lower substrate; Adhering a panel support frame supporting the liquid crystal display panel to the panel adhesive resin; Curing the panel adhesive member to bond the panel support frame to the lower substrate; And attaching a reflective sheet on a lower surface of the panel support frame.

The method of assembling the liquid crystal display module may further include sequentially arranging a plurality of optical sheets and a light guide plate on a lower surface of the liquid crystal display panel before the forming of the panel adhesive member. The side portion is characterized in that the light source array is coupled.

According to another aspect of the present invention, there is provided a liquid crystal display module including: an upper substrate and a lower substrate bonded to each other; A panel support frame coupled to a bottom edge of the lower substrate to support the liquid crystal display panel; A reflective sheet covering a lower surface of the panel support frame; And a panel adhesive member applied to the bottom edge of the lower substrate and cured to bond the lower substrate and the panel support frame to each other.

According to an aspect of the present invention, there is provided an assembly apparatus of a liquid crystal display module, including: a stage supporting a liquid crystal display panel on which an upper substrate and a lower substrate are bonded; A panel input unit which inverts the liquid crystal display panel up and down and sits on the stage such that the bottom surface of the liquid crystal display panel faces upward; A resin coating unit for forming a panel adhesive resin on an edge portion of the lower substrate; A frame adhering unit for adhering a panel support frame supporting the liquid crystal display panel to the panel adhesive resin; A resin curing unit for curing the panel adhesive resin to bond the panel coupling portion of the panel support frame to the lower substrate; And a reflective sheet attaching unit attaching a reflective sheet to a lower surface of the panel support frame, wherein the stage moves the supported liquid crystal display panel sequentially to the respective units.

The assembling apparatus of the liquid crystal display module further includes an optical sheet disposing unit and a light guide plate disposing unit provided between the panel dispensing unit and the resin coating unit, wherein the optical sheet disposing unit is provided on a lower surface of the liquid crystal display panel. The sheet is disposed, and the light guide plate arrangement unit arranges the light guide plate on the plurality of optical sheets.

The assembling apparatus of the liquid crystal display module is further configured to include an optical sheet disposing unit which is provided between the panel dispensing unit and the resin coating unit to dispose a plurality of optical sheets on the lower surface of the liquid crystal display panel. .

According to the above solution, the liquid crystal display module according to the present invention is a conventional upper part for preventing the liquid crystal display panel from detaching by mutually bonding the lower surface of the liquid crystal display panel and the panel support member using a panel adhesive member made of an adhesive resin. The case can be omitted, allowing for a thin bezel width and thickness.

In addition, in the method and the assembly apparatus of the liquid crystal display module according to the present invention, after applying the panel adhesive member to the lower substrate of the liquid crystal display panel, the panel support frame is bonded to the lower surface of the lower substrate to form a gap between the liquid crystal display panel and the panel support frame. By increasing the bonding force, the bonding area between the liquid crystal display panel and the panel support frame may be reduced, thereby reducing the bezel width of the liquid crystal display module.

1 is a cross-sectional view schematically showing a part of a conventional liquid crystal display module.
2 is an exploded perspective view schematically illustrating a liquid crystal display module according to a first embodiment of the present invention.
3 is a cross-sectional view schematically illustrating a cross section of II ′ shown in FIG. 2.
FIG. 4 is a cross-sectional view schematically illustrating the liquid crystal display module according to the second exemplary embodiment of the present invention, which is taken along line II ′ of FIG. 2.
5 is an exploded perspective view schematically illustrating a liquid crystal display module according to a third exemplary embodiment of the present invention.
6 is a cross-sectional view schematically illustrating a cross section of II-II ′ shown in FIG. 4.
7A to 7F are views for schematically explaining a method of assembling a liquid crystal display module according to a first embodiment of the present invention.
8A to 8E are views for explaining a method of assembling a liquid crystal display module according to a third exemplary embodiment of the present invention.

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

FIG. 2 is an exploded perspective view schematically illustrating a liquid crystal display module according to a first embodiment of the present invention, and FIG. 3 is a cross-sectional view schematically illustrating a cross section of II ′ shown in FIG. 2.

2 and 3, the liquid crystal display module according to the first embodiment of the present invention includes a liquid crystal display panel 110, a backlight unit 120, a panel support frame 130, and a panel adhesive member 140. It is configured to include.

The liquid crystal display panel 110 controls the transmittance of light emitted from the backlight unit 120 by driving the liquid crystal layer according to the data signal and the scan signal provided from the panel driver 150, or the 2D image corresponding to the data signal. 3D image is displayed. To this end, the liquid crystal display panel 110 includes a lower substrate 112, an upper substrate 114, a lower polarization member 116, and an upper polarization member 118.

The lower substrate 112 is a thin film transistor array substrate and has a display area and a non-display area.

The lower substrate 112 includes a plurality of gate lines (not shown) and a plurality of data lines (not shown) formed to intersect the display area, and a plurality of pixels (not shown) formed at each intersection of the gate lines and the data lines. Include. Each pixel may include a thin film transistor (not shown) connected to a gate line and a data line, a pixel electrode connected to the thin film transistor, and a common electrode formed adjacent to the pixel electrode and supplied with a common voltage. At this time, the common electrode may be formed on the upper substrate 114 according to the liquid crystal driving method of the liquid crystal layer. The lower substrate 112 controls the light transmittance of the liquid crystal layer by forming an electric field corresponding to a difference voltage between a data voltage and a common voltage applied to each pixel.

One pad portion (not shown) connected to each signal line is provided at one edge portion of the lower substrate 1112, and the panel driver 150 is electrically connected to the plurality of pad portions.

A gate driving circuit (not shown) for supplying a gate (or scan) signal to the gate line is formed in one side short side of the lower substrate 112 or in a non-display region of both short sides. A gate drive circuit is formed together with the thin film transistor manufacturing process of each pixel described above so as to be connected to each gate line.

The upper substrate 114 is a color filter array substrate, and is bonded to the lower substrate 112 by a panel sealing member (not shown) with a liquid crystal layer (not shown) interposed therebetween.

The upper substrate 114 defines a pixel area corresponding to each pixel formed on the lower substrate 112, and includes a light blocking layer (not shown) formed at an edge portion and a color filter (not shown) formed for each pixel area. It is composed. The color filter is emitted from the backlight unit 120 to filter light incident through the lower substrate 112 and the liquid crystal layer into predetermined color light. A common electrode (not shown) to which a common voltage is supplied may be formed on the upper substrate 114 according to the driving method of the liquid crystal.

The lower polarizing member 116 is attached to the lower surface of the lower substrate 112 to polarize the light irradiated from the backlight unit 120 to the liquid crystal display panel 110.

The upper polarizing member 118 may be a polarizing film attached to the upper surface of the upper substrate 114 to polarize color light transmitted through the upper substrate 114 and emitted to the outside.

The upper polarizing member 118 of another embodiment may be attached to an upper surface of the upper substrate 114 to polarize color light transmitted through the upper substrate 114 to be emitted to the outside, and an upper polarizing film of the upper polarizing film. It may be configured to include a retarder film (not shown) attached to the upper surface to separate the three-dimensional image, that is, the left eye image and the right eye image displayed on the liquid crystal display panel 110 in different polarization states.

The panel driver 150 is connected to a plurality of pads provided on the lower substrate 112 to drive the liquid crystal display panel 110 to display a predetermined 2D image or 3D image on the liquid crystal display panel 110. . To this end, the panel driver 150 includes a driving integrated circuit 151, a flexible circuit film 153, and a flexible printed circuit board 155.

The driving integrated circuit 151 is mounted on the lower substrate 112 and electrically connected to the plurality of pads to supply data signals and scan signals to the plurality of pads. To this end, the plurality of pads comprises an input pad and an output pad.

The input pad part includes a plurality of input pads connected to the input terminal of the driving integrated circuit 151, and the output pad part extends from a signal line formed in the display area of the lower substrate 112 to output the terminal of the driving integrated circuit 151. It consists of a plurality of output pads connected to.

The flexible circuit film 153 is attached to the lower substrate 112 by a tape automated bonding (TAB) process and connected to the input pad part.

The flexible printed circuit board 155 is connected to the flexible circuit film 153 by the TAB process. The flexible printed circuit board 155 receives image data, various power supplies, timing synchronization signals, etc. from the system circuit unit and supplies the flexible printed circuit board 155 to the driving integrated circuit 151 through the flexible circuit film 153.

The backlight unit 120 is disposed on the panel support frame 130 to irradiate light to the liquid crystal display panel 110. To this end, the backlight unit 120 includes a light guide plate 121, a light source array 123, a reflective sheet 125, and a plurality of optical sheets 127.

The light guide plate 121 is formed in a flat plate shape (or wedge shape) to propagate light incident from the light source array 123 through the light incident surface toward the liquid crystal display panel 110.

The light source array 123 is disposed to face the light incident surface provided on at least one side of the light guide plate 121 to irradiate light to the light guide plate 121. For example, the light source array 123 includes a LED driving circuit film 123a and a plurality of LED packages 123b.

The LED driving circuit film 123a is disposed on an upper surface of one side of the panel support frame 130 to be adjacent to the light incident surface of the light guide plate 121. The LED driving circuit film 123a includes a connection connector connected to the LED driving unit (not shown), and an LED driving line for supplying the LED driving power supplied from the LED driving unit through the connection connector to each LED package 123b. Formed.

Each of the plurality of LED packages 123b is connected in series or parallel to the LED driving line and emits light according to the LED driving power to irradiate light onto the light incident surface of the light guide plate 121. In this case, each of the plurality of LED packages 123b is disposed to face the light incident surface of the light guide plate 121 to emit light in the lateral direction.

The light source array 123 described above may be disposed to face the light incident surface of the light guide plate 121 by the light source fixing member 124 made of an adhesive tape. The light source fixing member 124 is attached to an upper edge portion of one side of the light guide plate 121 and attached to the LED driving circuit film 123a so that the light source array 123 faces the light incident surface of the light guide plate 121. Be sure to That is, the light source fixing member 124 also serves to prevent light leakage in the gap space by covering the gap space between the light source array 123 and the light guide plate.

The reflective sheet 125 is attached to the lower surface of the panel support frame 130 to support the lower surface of the light guide plate 121, and reflects light incident from the light guide plate 121 toward the liquid crystal display panel 110.

The plurality of optical sheets 127 are disposed on the light guide plate 121 to improve luminance characteristics of light traveling from the light guide plate 121 toward the liquid crystal display panel 110. To this end, the plurality of optical sheets 127 may be configured to include at least one diffusion sheet and a prism sheet.

The panel support frame 130 supports the lower surface of the liquid crystal display panel 110, that is, the lower edge of the lower substrate 112. In addition, the panel support frame 130 accommodates the light guide plate 121, the light source array 123, and the plurality of optical sheets 127. To this end, the panel support frame 130 includes a panel coupling portion 131, and a side wall portion 133.

The panel coupling part 131 is formed in a rectangular frame shape to have an opening having a rectangular shape to support the lower edge portion of the lower substrate 112. The light guide plate 121, the light source array 123, and the plurality of optical sheets 127 are accommodated in the opening of the panel coupler 131.

The aforementioned reflective sheet 127 is attached to the lower surface 131a of the panel coupling unit 131. Accordingly, the reflective sheet 127 supports the lower surface of the light guide plate 121 accommodated in the opening of the panel coupler 131.

A plurality of LED insertion grooves 134 in which each of the plurality of LED packages 123b described above are inserted are formed at one side of the panel coupling unit 131. Accordingly, each of the plurality of LED packages 123b described above is inserted into each of the plurality of LED insertion grooves 134 to prevent flow, and the LED driving circuit film 123a is disposed on the plurality of LED insertion grooves 134. It is seated.

The sidewall part 133 may protrude vertically to have a predetermined height from the upper edge portion of the panel coupling part 131 to surround side surfaces of the liquid crystal display panel 110. In this case, the upper surface 133a of the sidewall portion 133 does not protrude above the upper surface of the liquid crystal display panel 110, that is, the upper surface of the upper polarizing member 118.

The panel adhesive member 140 is formed on the lower surface of the liquid crystal display panel 110, that is, the lower edge of the lower substrate 112, so that the lower panel edge of the lower substrate 112 and the panel coupling portion of the panel support frame 130 are formed. 131 is mutually coupled. In this case, the panel adhesive member 140 may be selected from a white color to a black color, and may be formed of a photocurable adhesive resin, a thermosetting adhesive resin, or a natural curable adhesive resin. For example, when the panel adhesive member 140 is made of a photocurable adhesive resin, the panel adhesive member 140 is formed by an adhesive resin applying unit (not shown) to the lower end and the lower end of the lower substrate 112. After being applied in a predetermined height and a predetermined amount between the polarizing member 116, the first surface is temporarily bonded to the upper surface of the panel coupling portion 131, and then cured by a resin curing process by a resin curing unit (not shown) The panel coupling part 131 of the lower substrate 112 and the panel support frame 130 are coupled to each other.

As described above, the liquid crystal display module according to the first embodiment of the present invention uses a panel adhesive member 140 made of an adhesive resin to mutually couple the lower surface of the liquid crystal display panel 110 with the panel support member 130. The conventional upper case (see FIG. 1) to prevent the panel 110 from being detached may be omitted to have a thin bezel width W and a thickness T, and further, the reflective sheet 125 may be The lower case (see FIG. 1) of the conventional lower case (see FIG. 1) attached to the lower surface of the support frame 110 to support the panel support frame 110 may be omitted, thereby having a thinner thickness T.

FIG. 4 is a cross-sectional view schematically illustrating a cross-section of II ′ shown in FIG. 2 in order to explain the liquid crystal display module according to the second embodiment of the present invention, which changes the structure of the panel support frame 130. It is formed. Hereinafter, only different configurations will be described.

The panel support frame 130 includes only a panel coupling part 131 that supports an edge of a lower surface of the liquid crystal display panel 110, that is, a lower surface of the lower substrate 112.

The panel coupling part 131 is formed in a rectangular frame shape to have an opening having a rectangular shape to support the lower edge portion of the lower substrate 112. The light guide plate 121, the light source array 123, and the plurality of optical sheets 127 are accommodated in the opening of the panel coupler 131.

The reflective sheet 125 described above is attached to the bottom surface 131a of the panel coupling unit 131.

The upper surface 131a of the panel coupling unit 131 is adhered to the panel adhesive member 140 applied to the lower edge of the liquid crystal display panel 110, that is, the lower edge of the lower substrate 112. 140 is coupled to the bottom edge of the lower substrate 112. Accordingly, the panel coupler 131 exposes each side of the liquid crystal display panel 110 to the outside of the liquid crystal display module without covering each side of the liquid crystal display panel 110. For this reason, the liquid crystal display module according to the second embodiment of the present invention may have a thinner bezel width because there is no structure surrounding each side of the liquid crystal display panel 110.

5 is an exploded perspective view schematically illustrating a liquid crystal display module according to a third exemplary embodiment of the present invention, and FIG. 6 is a cross-sectional view schematically illustrating a cross section of II-II ′ illustrated in FIG. 4, which is a backlight unit 120. ) Is formed by integrating the light guide plate and the panel support frame 130 into one body. Hereinafter, only different configurations will be described.

The panel support frame 130 is formed to include the light guide plate 121 having a flat plate shape by an injection molding method. In detail, the panel support frame 130 includes a light guide plate 121, a panel coupling part 131, a plurality of LED package insertion holes 137, and a light leakage preventing member 139.

The light guide plate 121 is formed in a flat plate shape so as to overlap the bottom surface of the liquid crystal display panel 110, that is, the bottom surface of the lower substrate 112. The reflective sheet 125 of the backlight unit 120 described above is attached to the lower surface of the light guide plate 121.

The panel coupler 131 is formed (or protruded) to have a predetermined height from an upper edge portion of the light guide plate 121. The upper surface 131a of the panel coupling unit 131 is adhered to the panel adhesive member 140 applied to the lower edge of the liquid crystal display panel 110, that is, the lower edge of the lower substrate 112. 140 is coupled to the bottom edge of the lower substrate 112.

The panel coupler 131 exposes each side of the liquid crystal display panel 110 to the outside of the liquid crystal display module without covering each side of the liquid crystal display panel 110. For this reason, the liquid crystal display module according to the third embodiment of the present invention may have the same thin bezel width as the liquid crystal display module of the second embodiment described above.

Each of the plurality of LED package insertion holes 137 is formed to penetrate one side portion of the light guide plate 121 overlapping one side non-display area of the lower substrate 112 at regular intervals. The LED package 123b of the light source array 123 is inserted into each of the plurality of LED package insertion holes 137. In addition, the LED driving circuit film 123a of the light source array 123 is seated on the plurality of LED package insertion holes 137, and the LED driving circuit film 123a is formed of a light source fixing member made of an adhesive tape. 124).

The light leakage preventing member 139 is formed on each side of the light guide plate 121 and an outer surface of the panel coupling part 131 to prevent or reflect light leakage of light emitted in an undesired direction from the light guide plate 121. The light leakage preventing member 139 may be a coating layer, a vinyl tape, a metal thin film tape, or the like.

As described above, the liquid crystal display module according to the embodiment of the present invention may be configured as a display means of a television, a computer monitor, a tablet computer, various portable information devices, or a notebook computer, in addition to a portable terminal such as a smart phone. In this case, the display means further includes a rear cover (not shown) for accommodating the liquid crystal display module, and a front cover (not shown) formed to surround the front edge and side surfaces of the liquid crystal display module and coupled to the rear cover. Will be done.

7A to 7F are views for explaining a method of assembling a liquid crystal display module according to a first embodiment of the present invention. Referring to this, a method of assembling a liquid crystal display module according to a first embodiment of the present invention will be described. Is as follows. In the following description of the assembly method, a detailed description of each component will be replaced with the description of FIGS. 2 and 3.

First, the lower substrate 112 and the upper substrate 114 are opposed to each other, and the lower polarizing member 116 and the upper polarizing member 118 are respectively disposed on the lower surface of the lower substrate 112 and the upper surface of the upper substrate 114 which are joined together. ) And a liquid crystal display panel 110 having the panel driver 150 attached to the lower substrate 112.

Then, as shown in FIG. 7A, the liquid crystal display panel 110 is inverted up and down so that the bottom surface of the liquid crystal display panel 110, that is, the lower polarizing member 116 is disposed upward, is disposed on the stage 200. .

Then, as shown in FIG. 7B, the above-described optical sheets 127 of the backlight unit are disposed on the lower surface of the liquid crystal display panel disposed on the stage 200, that is, the lower polarizing member 116.

Then, as illustrated in FIG. 7C, the light guide plate 121 of the above-described backlight unit is disposed on the optical sheet 127. In this case, the light source array 123 (refer to FIG. 2) of the backlight unit is coupled to one side surface of the light guide plate 121 disposed on the top surface of the optical sheet 127.

Then, as illustrated in FIG. 7D, the panel adhesive member 140 is applied along the lower edge portion of the lower substrate 112 using the adhesive resin applying unit 142. At this time, the adhesive resin applying unit 142 applies a predetermined width and a predetermined amount of the panel adhesive member 140 to the edge portion of the lower surface of the lower substrate 112 adjacent to the side of the lower polarizing member 116.

Then, as shown in FIG. 7E, the panel support frame 130 described above is attached to the panel adhesive member 140. Accordingly, the panel coupler 131 of the panel support frame 130 is adhered to the panel adhesive member 140 to cover the side surfaces of the plurality of optical sheets 127 and the light guide plate 127. The sidewall 133 of the panel support frame 130 surrounds the side surface of the liquid crystal display panel 100.

Subsequently, the panel bonding member 140 is cured using light or heat to bond the panel coupler 131 of the panel support frame 130 to the lower substrate 112 of the liquid crystal display panel 110. Accordingly, the panel support frame 130 is coupled to the bottom edge of the liquid crystal display panel 110 and surrounds the side surface of the liquid crystal display panel 110 and the side surface of the backlight unit.

Next, as illustrated in FIG. 7F, the reflection of the above-described backlight unit on the bottom surface of the panel support frame 130 coupled to the liquid crystal display panel 110, that is, the bottom surface 131a of the panel coupling portion 131. The sheet 125 is attached. In this case, the reflective sheet 125 is disposed on the lower surface of the panel support frame 130 to support the light guide plate 121.

After the final liquid crystal display module is completed through the attachment process of the reflective sheet 125, the assembly process of the liquid crystal display module is completed by unloading the completed liquid crystal display module on the stage 200.

In the method of assembling the liquid crystal display module according to the first exemplary embodiment of the present invention, after applying the panel adhesive member 140 to the lower substrate 112 of the liquid crystal display panel 110, the panel support frame 130 is lowered. The coupling force between the liquid crystal display panel 110 and the panel support frame 130 may be increased by coupling to the substrate 112, thereby optimizing the bonding area between the liquid crystal display panel 110 and the panel support frame 130. The bezel width of the display module can be reduced.

On the other hand, the liquid crystal display module according to the second embodiment of the present invention shown in FIG. 4, except that the structure of the panel support frame 130 is changed as described above, the liquid crystal of the first embodiment of the present invention described above Since it is the same as the display module, the method of assembling the liquid crystal display module according to the second embodiment of the present invention may be the same as the method of assembling the liquid crystal display module according to the first embodiment of the present invention.

8A to 8E are views for explaining a method of assembling a liquid crystal display module according to a third embodiment of the present invention. Referring to this, a method of assembling a liquid crystal display module according to a third embodiment of the present invention will be described. Is as follows. In the following description of the assembly method, a detailed description of each component will be replaced with the description of FIGS. 5 and 6.

First, the lower substrate 112 and the upper substrate 114 are opposed to each other, and the lower polarizing member 116 and the upper polarizing member 118 are respectively disposed on the lower surface of the lower substrate 112 and the upper surface of the upper substrate 114 which are joined together. ) And a liquid crystal display panel 110 having the panel driver 150 attached to the lower substrate 112.

Then, as shown in FIG. 8A, the liquid crystal display panel 110 is inverted up and down so that the bottom surface of the liquid crystal display panel 110, that is, the lower polarizing member 116 is disposed upward, is disposed on the stage 200. .

Then, as shown in FIG. 8B, the optical sheets 127 of the above-described backlight unit are disposed on the lower surface of the liquid crystal display panel disposed on the stage 200, that is, the lower polarizing member 116.

Then, as shown in FIG. 8C, the panel adhesive member 140 is applied along the lower edge portion of the lower substrate 112 using the adhesive resin applying unit 142. At this time, the adhesive resin applying unit 142 applies a predetermined width and a predetermined amount of the panel adhesive member 140 to the edge portion of the lower surface of the lower substrate 112 adjacent to the side of the lower polarizing member 116.

Then, as shown in FIG. 8D, the panel support frame 130 described above is adhered to the panel adhesive member 140. Accordingly, the light guide plate 121 of the panel support frame 130 is disposed to cover the optical sheet 127. In addition, the panel coupling part 131 of the panel support frame 130 is adhered to the panel adhesive member 140 so as to surround side surfaces of the plurality of optical sheets 127 and the light guide plate 127. ) Is bonded to the edge of the lower surface. At this time, one side of the light guide plate 121 corresponding to the plurality of LED package insertion holes 137 (see FIG. 5) provided at one side of the light guide plate 121 is the light source array 123 of the above-described backlight unit (see FIG. 5). Is combined.

Subsequently, the panel bonding member 140 is cured using light or heat to bond the panel coupler 131 of the panel support frame 130 to the lower substrate 112 of the liquid crystal display panel 110. Accordingly, the panel support frame 130 is coupled to the bottom edge of the liquid crystal display panel 110 and surrounds the side surface of the liquid crystal display panel 110 and the side surface of the backlight unit.

Next, as illustrated in FIG. 8E, the reflective sheet of the above-described backlight unit may be disposed on the bottom surface of the panel support frame 130 coupled to the liquid crystal display panel 110, that is, the bottom surface 121a of the light guide plate 121. 125).

After the final liquid crystal display module is completed through the attachment process of the reflective sheet 125, the assembly process of the liquid crystal display module is completed by unloading the completed liquid crystal display module on the stage 200.

The method of assembling the liquid crystal display module according to the third embodiment of the present invention provides the same effect as the method of assembling the liquid crystal display module according to the third embodiment, but the panel support frame 130 is the light guide plate 121. It has a structure formed integrally with and can simplify the assembly process.

FIG. 9 is a view schematically showing an assembling apparatus of a liquid crystal display module according to a first embodiment of the present invention, which is used to assemble respective components of the liquid crystal display module of the first and second embodiments shown in FIGS. 2 to 4. It is a device for.

Referring to FIG. 9, the assembling apparatus of the liquid crystal display module according to the first exemplary embodiment may include a stage 200, a panel feeding unit 310, an optical sheet arranging unit 320, a light guide plate arranging unit 330, and a resin. The coating unit 340, the frame bonding unit 350, the resin curing unit 360, and the reflective sheet disposing unit 370, and the module unloading unit 380 are configured to be included.

The stage 200 is formed in a circular table shape and rotatably installed in the middle of each unit. In the stage 200, a plurality of panel accommodating parts 210 having a predetermined interval are formed to support the liquid crystal display panel 110. The stage 200 is rotated by a predetermined angle in a predetermined direction (for example, counterclockwise direction) so that the assembling process of the liquid crystal display module is sequentially performed by the units.

The panel input unit 310 is installed on the side of the panel input area set in the stage 200 to invert the liquid crystal display panel 110 up and down, that is, the lower polarizing member ( 116 is accommodated in the panel accommodating portion 210 of the stage 200 to face upward. As a result, the panel input unit 310 accommodates the liquid crystal display panel 110 in each panel accommodating part 210 moved to the panel input area in synchronization with the rotation of the stage 200.

The optical sheet arranging unit 320 is installed at the side of the optical sheet arranging area set in the stage 200 to be adjacent to the panel feeding unit 310. The optical sheet arrangement unit 320 includes a plurality of the above-described optical elements on the lower surface of the liquid crystal display panel 110 that is moved to the optical sheet arrangement region according to the rotation of the stage 200, that is, the lower polarizing member 116. The sheet 127 is disposed.

The light guide plate arrangement unit 330 is installed at the side of the light guide plate arrangement region set in the stage 200 to be adjacent to the optical sheet placement unit 320. The light guide plate arrangement unit 330 is disposed on the lower surface of the liquid crystal display panel 110 that is moved to the light guide plate arrangement region according to the rotation of the stage 200, that is, the light guide plate 121 described above on the plurality of optical sheets 127. ). In this case, the light guide plate 121 is coupled to the light source array as described above.

The resin coating unit 340 is provided on the side of the resin coating region set in the stage 200 to be adjacent to the light guide plate arrangement unit 330. The resin applying unit 340 is the panel adhesive member described above at the edge of the lower surface of the liquid crystal display panel 110, that is, the edge of the lower substrate 112, which is moved to the resin coating region according to the rotation of the stage 200. 140 is applied. That is, the resin coating unit 340 applies the panel adhesive member 140 made of adhesive resin to the edge portion of the lower substrate 112 adjacent to the side of the lower polarizing member in a predetermined width and a predetermined amount.

The frame adhering unit 350 is installed on the side of the frame adhering region set in the stage 200 to be adjacent to the resin application unit 340. The frame adhesion unit 350 is a panel support frame on the panel adhesive member 140 applied to the lower substrate 112 of the liquid crystal display panel 110 that is moved to the frame adhesion region according to the rotation of the stage 200. Adhesion 130. Accordingly, the panel coupler 131 of the panel support frame 130 is adhered to the panel adhesive member 140 to cover the side surfaces of the plurality of optical sheets 127 and the light guide plate 127. The sidewall 133 of the panel support frame 130 surrounds the side surface of the liquid crystal display panel 100.

The resin curing unit 360 is provided on the side of the resin curing region set in the stage 200 to be adjacent to the frame bonding unit 350. The resin curing unit 360 includes a panel coupling portion of the lower substrate 112 of the liquid crystal display panel 110 and the panel support frame 130 that is moved to the resin curing region according to the rotation of the stage 200. The panel adhesive member 140 is irradiated with light or heated to cure the panel adhesive member 140 formed between the 131. Accordingly, the panel adhesive member 140 is coupled to the panel coupler 131 of the panel support frame 130 and the lower substrate 112 of the liquid crystal display panel 110, and thus, the panel support frame 130. ) Is coupled to the bottom edge of the liquid crystal display panel 110 and surrounds the side surface of the liquid crystal display panel 110 and the side surface of the backlight unit.

The reflective sheet arrangement unit 370 is provided on the side of the reflective sheet arrangement region set in the stage 200 to be adjacent to the resin curing unit 360. The reflective sheet arranging unit 370 is a lower surface of the panel support frame 130 coupled to the liquid crystal display panel 110 moved to the reflective sheet arranging area according to the rotation of the stage 200, that is, the panel coupling part ( The reflective sheet 125 of the above-described backlight unit is attached to the lower surface 131a of the 131. When the arrangement process of the reflective sheet 125 is completed, the assembled liquid crystal display module is disposed in the panel accommodating part 210 of the stage 200.

The module unloading unit 380 is installed at the side of the module unloading area set in the stage 200 to be positioned between the reflective sheet disposition unit 370 and the panel input unit 310. The module unloading unit 380 picks up and unloads the liquid crystal display module 100 from the panel accommodating part 210 moved to the module unloading area according to the rotation of the stage 200.

As described above, in the assembling apparatus of the liquid crystal display module according to the first embodiment of the present invention, the liquid crystal display panel 110, the backlight unit, and the panel support frame 130 are sequentially assembled in accordance with the rotation of the stage 200. The assembled liquid crystal display module 100 is unloaded to the outside.

FIG. 10 is a view schematically illustrating an assembly apparatus of a liquid crystal display module according to a second exemplary embodiment of the present invention, which is an apparatus for assembling respective components of the liquid crystal display module of the third exemplary embodiment illustrated in FIGS. 5 and 6. .

Referring to FIG. 10, an assembling apparatus of a liquid crystal display module according to a second exemplary embodiment of the present invention may include a stage 200, a panel feeding unit 410, an optical sheet arranging unit 420, a resin coating unit 430, and a frame. It is comprised including the sticking unit 440, the resin hardening unit 450, and the reflective sheet arrangement unit 460, and the module unloading unit 470.

The stage 200 is formed in a circular table shape and rotatably installed in the middle of each unit. In the stage 200, a plurality of panel accommodating parts 210 having a predetermined interval are formed to support the liquid crystal display panel 110. The stage 200 is rotated by a predetermined angle in a predetermined direction (for example, counterclockwise direction) so that the assembling process of the liquid crystal display module is sequentially performed by the units.

The panel input unit 410 is installed at the side of the panel input area set in the stage 200 to invert the liquid crystal display panel 110 up and down, that is, the lower polarizing member ( 116 is accommodated in the panel accommodating portion 210 of the stage 200 to face upward. As a result, the panel input unit 410 accommodates the liquid crystal display panel 110 in each panel accommodating part 210 moved to the panel input area in synchronization with the rotation of the stage 200.

The optical sheet arranging unit 420 is installed on the side of the optical sheet arranging area set in the stage 200 to be adjacent to the panel feeding unit 410. The optical sheet arrangement unit 420 may include a plurality of the above-described optical fibers on the lower surface of the liquid crystal display panel 110, that is, the lower polarizing member 116, which is moved to the optical sheet arrangement region according to the rotation of the stage 200. The sheet 127 is disposed.

The resin application unit 430 is provided on the side of the resin application region set in the stage 200 to be adjacent to the optical sheet arrangement unit 420. As described above, the resin coating unit 430 is formed at the edge of the lower surface of the liquid crystal display panel 110, that is, the edge of the lower substrate 112, moved to the resin coating region according to the rotation of the stage 200. The adhesive member 140 is applied.

The frame adhering unit 440 is installed at the side of the frame adhering region set in the stage 200 to be adjacent to the resin application unit 430. As described above, the frame bonding unit 440 is applied to the panel adhesive member 140 applied to the lower substrate 112 of the liquid crystal display panel 110 moved to the frame bonding region according to the rotation of the stage 200. As described above, the panel support frame 130 (see FIGS. 5 and 6) to which the light guide plate 121 is integrated is bonded. Accordingly, the light guide plate 121 of the panel support frame 130 is disposed to cover the optical sheet 127. In addition, the panel coupling part 131 of the panel support frame 130 is adhered to the panel adhesive member 140 so as to surround side surfaces of the plurality of optical sheets 127 and the light guide plate 127. ) Is bonded to the edge of the lower surface. At this time, one side of the light guide plate 121 corresponding to the plurality of LED package insertion holes 137 (see FIG. 5) provided at one side of the light guide plate 121 is the light source array 123 of the above-described backlight unit (see FIG. 5). Is combined.

The resin curing unit 450 is provided on the side of the resin curing region set in the stage 200 to be adjacent to the frame bonding unit 440. The resin curing unit 450 includes a panel coupling portion of the lower substrate 112 of the liquid crystal display panel 110 and the panel support frame 130 that is moved to the resin curing region according to the rotation of the stage 200. The panel adhesive member 140 is irradiated with light or heated to cure the panel adhesive member 140 formed between the 131. Accordingly, the panel adhesive member 140 is coupled to the panel coupler 131 of the panel support frame 130 and the lower substrate 112 of the liquid crystal display panel 110, and thus, the panel support frame 130. ) Is coupled to the bottom edge of the liquid crystal display panel 110 and surrounds the side surface of the backlight unit.

The reflective sheet arranging unit 460 is provided on the side of the reflective sheet arranging area set in the stage 200 to be adjacent to the resin curing unit 450. The reflective sheet arrangement unit 460 is a lower surface of the panel support frame 130 coupled to the liquid crystal display panel 110 that is moved to the reflective sheet arrangement region according to the rotation of the stage 200, that is, the light guide plate 121. The reflective sheet 125 of the above-mentioned backlight unit is attached to the lower surface 121a of the substrate. When the arrangement process of the reflective sheet 125 is completed, the assembled liquid crystal display module is disposed in the panel accommodating part 210 of the stage 200.

The module unloading unit 470 is installed at the side of the module unloading area set in the stage 200 to be adjacent to the reflective sheet arrangement unit 460. The module unloading unit 470 picks up and unloads the liquid crystal display module 100 from the panel accommodating part 210 moved to the module unloading area according to the rotation of the stage 200.

As such, the assembling apparatus of the liquid crystal display module according to the second exemplary embodiment of the present disclosure may provide the same effects as the assembling apparatus of the liquid crystal display module according to the first exemplary embodiment.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: liquid crystal display module 110: liquid crystal display panel
112: lower substrate 114: upper substrate
120: backlight unit 121: light guide plate
123: light source array 125: reflective sheet
127: optical sheet 130: panel support frame
140: panel adhesive member 150: panel driver

Claims (13)

Inverting the liquid crystal display panel on which the upper substrate and the lower substrate are bonded up and down, and disposing the lower surface of the liquid crystal display panel on the stage;
Forming a panel adhesive member made of an adhesive resin on an edge portion of the lower substrate;
Adhering a panel support frame supporting the liquid crystal display panel to the panel adhesive resin;
Curing the panel adhesive member to bond the panel support frame to the lower substrate; And
And attaching the reflective sheet on the lower surface of the panel support frame. The method of claim 1,
Before the process of forming the panel adhesive member, further comprising the step of sequentially placing a plurality of optical sheets and the light guide plate on the lower surface of the liquid crystal display panel,
And a light source array coupled to one side of the light guide plate. 3. The method according to claim 1 or 2,
And the reflective sheet is attached to a lower surface of the panel support frame to support a lower surface of the light guide plate. The method of claim 1,
The panel support frame,
A light guide plate overlapping a lower surface of the lower substrate;
A light source array disposed on one side of the light guide plate;
A sidewall portion formed perpendicular to an edge portion of the light guide plate and coupled to an edge portion of the lower substrate by the panel adhesive member; And
It includes a light leakage preventing member formed on the side of the light guide plate and the outer surface of the side wall portion,
And the reflective sheet is attached to a lower surface of the light guide plate. 5. The method of claim 4,
And a step of sequentially placing a plurality of optical sheets on a lower surface of the liquid crystal display panel before the forming of the panel adhesive member. A liquid crystal display panel in which an upper substrate and a lower substrate are bonded to each other;
A panel support frame coupled to a bottom edge of the lower substrate to support the liquid crystal display panel;
A reflective sheet covering a lower surface of the panel support frame; And
And a panel adhesive member applied to and cured on a lower edge of the lower substrate to bond the lower substrate and the panel support frame to each other. The method according to claim 6,
A light guide plate disposed on the reflective sheet;
A light source array disposed on one side of the light guide plate; And
And a plurality of optical sheets arranged on the light guide plate. The method according to claim 6,
The panel support frame,
A light guide plate overlapping a lower surface of the lower substrate;
A sidewall portion formed perpendicular to an edge portion of the light guide plate and coupled to an edge portion of the lower substrate by the panel adhesive member; And
It includes a light leakage preventing member formed on the side of the light guide plate and the outer side of the side wall portion,
And the reflective sheet is attached to a lower surface of the light guide plate. The method of claim 8,
A light source array disposed on one side of the light guide plate; And
And a plurality of optical sheets arranged on the light guide plate. A stage supporting the liquid crystal display panel on which the upper substrate and the lower substrate are bonded;
A panel input unit which inverts the liquid crystal display panel up and down and sits on the stage such that the bottom surface of the liquid crystal display panel faces upward;
A resin coating unit for forming a panel adhesive resin on an edge portion of the lower substrate;
A frame adhering unit for adhering a panel support frame supporting the liquid crystal display panel to the panel adhesive resin;
A resin curing unit for curing the panel adhesive resin to bond the panel coupling portion of the panel support frame to the lower substrate; And
And a reflection sheet attachment unit attaching the reflection sheet to the lower surface of the panel support frame,
And the stage moves the supported liquid crystal display panel sequentially to the respective units. 11. The method of claim 10,
An optical sheet disposing unit and a light guide plate disposing unit provided between the panel dispensing unit and the resin coating unit;
The optical sheet disposing unit arranges a plurality of optical sheets on a lower surface of the liquid crystal display panel,
The light guide plate arrangement unit arranges the light guide plate on the plurality of optical sheets. 11. The method of claim 10,
The panel support frame,
A light guide plate overlapping a lower surface of the lower substrate;
A light source array attached to one side of the light guide plate;
A sidewall portion formed perpendicular to an edge portion of the light guide plate and coupled to an edge portion of the lower substrate by the panel adhesive resin; And
It includes a light leakage preventing member formed on the side of the light guide plate and the outer surface of the side wall portion,
And the reflective sheet is attached to the lower surface of the light guide plate. 13. The method of claim 12,
And an optical sheet disposing unit provided between the panel dispensing unit and the resin coating unit to dispose a plurality of optical sheets on the lower surface of the liquid crystal display panel.

Images