TWI674460B - Backlight module and panel attachment method of display device - Google Patents

Abstract

A backlight module and a method for attaching a panel of a display device. The backlight module includes a frame with a front frame, a light guide plate, and a fixing tape, wherein the fixing tape has a body and a positioning release paper, and one end of the positioning release paper extends out of the The main body forms an extension portion and a pull portion. The pull portion is bent relative to the extension portion and can be aligned against the inner side of the front frame. In the panel attaching method, the fixing tape is aligned and pasted by the pull portion. After the front frame, tear off the registration release paper to attach the display panel to the fixing tape. Among them, the bent extension and the lifting portion can save the use of the positioning fixture and improve the alignment convenience. It reduces the working hours and ensures the reflection quality of the inner side of the front frame.

Description

Panel attachment method for backlight module and display device

The present invention relates to a method for attaching a panel of a backlight module and a display device. The fixing tape of the backlight module uses bent alignment release paper to facilitate alignment, and the panel of the panel is attached through the fixing tape of the backlight module. Attach method.

As shown in FIG. 8, the composition and structure of a conventional backlight module mainly includes a frame 90, a light guide plate 91, and at least one fixing tape 92. The frame 90 has a back plate 93 and a back plate 93 surrounding the back plate 93. A front frame 94 has a bearing surface 95 and an inner side surface 96. The inner side surface 96 is bent with respect to the bearing surface 95. The light guide plate 91 is disposed on the back plate 93. The fixing tape 92 is A positioning fixture 97 is used to align and adhere to the bearing surface 95 of the front frame 94.

The above-mentioned backlight module further forms a display device by attaching a panel through the fixing tape 92. The conventional method of attaching the panel is to place the positioning fixture 97 on the bearing surface 95 of the front frame 94 and abut against the front surface. The inner side surface 96 of the frame 94. The limiting jig 97 forms a starting side wall 971 on a side opposite to the inner side surface 96 of the front frame 94. After the positioning jig 97 is placed, the fixing tape 92 is lifted. The starting end 921 is aligned with the starting side wall 971 of the stopper jig 97 and then adheres to the bearing surface 95 of the front frame 94. After the fixing tape 92 is stuck and positioned, the stopper jig 97 is removed, and then the panel is attached.于 Fixing tape 92.

When the operator attaches the fixing tape 92 through the limit fixture 97, the attachment space provided by the frame 90 is small or the attachment distance is too narrow, which makes the fixing tape 92 difficult to align and increases the working hours. When the inner surface 96 of the frame 94 is a shiny surface or a smooth surface, the positioning fixture 97 easily collides with or damages the inner surface 96 of the front frame 94 during the placement and removal process, causing the inner surface 96 of the front frame 94 to be damaged. Reflection quality is reduced.

The object of the present invention is to provide a method for attaching a backlight module and a panel of a display device, which solves the problem of difficult alignment and increased operation time during the process of attaching the fixing tape through the positioning fixture, and solving the limitation. The problem that the fixture will damage the front frame and affect the reflection quality.

In order to achieve the purpose of front disclosure, the backlight module provided by the present invention includes: a frame having a back plate and a front frame, and the front frame is fixed to the periphery of the back plate and has an inner side surface and a bearing surface The inner side surface is bent with respect to the bearing surface; a light guide plate is disposed on the back plate; at least one fixing tape, the fixing tape is adhered to the bearing surface of the front frame, and the fixing tape includes: A body having a first adhesive surface and a second adhesive surface opposite to each other, the first adhesive surface being adhered to the bearing surface corresponding to the front frame; and a pair of release papers disposed on the body A second adhesive surface, and one end of the alignment release paper extends out of the end surface of the body to sequentially form an extension portion and a pull portion, the extension portion is adjacent to the body, and the pull portion is opposite to the extension portion It forms a bend and can abut the inner side of the front frame of the frame.

In the backlight module as described above, a riding stitch is formed between the extension part and the pulling part, and the pulling part uses the riding stitch as a bending point to form a bend relative to the extending part, and the riding stitch is to The distance between the ends of the body is a preset limit distance.

In the backlight module as described above, the distance from the riding stitch to the end of the body is 1 ± 0.1 mm.

In the backlight module described above, the riding stitching is in the form of a plurality of holes arranged in a straight line.

In the backlight module described above, a reflective sheet is disposed on the rear side of the light guide plate.

In the backlight module described above, the lifting portion is perpendicular to the extending portion.

In order to achieve the purpose of front disclosure, the method for attaching a panel of a display device provided by the present invention includes: a preparation step, providing at least one fixing tape and a front frame, the front frame having an inner side and a bearing surface, and the inner side is opposite to the The bearing surface is bent, the fixing tape has a body and a pair of release paper, the body has a first adhesive surface and a second adhesive surface opposite to each other, and the alignment paper is disposed on the second adhesive surface of the body One end of the alignment release paper extends out of the end surface of the body and sequentially extends to form an extension and a pull-up portion, and the pull-up portion can be bent relative to the extension portion; The pull-up portion of the positioning release paper of the fixing tape is abutted against the inner side of the front frame of the frame, and the first adhesive surface of the fixing tape is adhered to the bearing surface of the front frame; and the step of pasting the display panel, the fixing tape The opposite release paper is peeled off, and a display panel is attached to the second adhesive surface of the fixing tape.

As described above, in the method for attaching a panel of a display device, in the preparation step, a riding stitch is formed between the extension part and the pulling part, and the pulling part uses the riding stitch as a bending part and is opposite to the extension. The portion forms a bend, and the distance from the riding suture to the end of the body is a preset limit distance.

In the positioning release paper of the fixing tape, the pulling portion is bent relative to the extension portion. The pulling portion can provide the operator with a grip and change the orientation of the operator who used to hold the fixing tape. Limitation, thereby facilitating the adjustment of the position of the fixing tape, and positioning by pulling the abutting part against the inner side of the front frame, without the need for a positioning fixture, which can save material costs, improve alignment convenience, and reduce Working hours, and avoid the situation that the positioning fixture damages the inner side of the front frame to ensure the reflection quality of the inner side of the front frame.

The invention relates to a method for attaching a panel including a backlight module and a display device. The specific structure of the backlight module can be known from the preferred embodiment disclosed in FIG. 1. The backlight module includes a frame 10, a light guide plate 20 and at least one fixing tape 30.

As shown in FIG. 1, the frame 10 has a back plate 11 and a front frame 12, and the front frame 12 is fixed to the periphery of the back plate 11 and has an inner surface 121 and a bearing surface 122. The inner surface 121 is opposite to each other. A bend is formed on the supporting surface 122.

As shown in FIG. 1, the light guide plate 20 is disposed on the back plate 11, and a reflective sheet is disposed on the rear side of the light guide plate 20 (see element symbol 50 in FIG. 7).

As shown in FIGS. 1, 3 and 4, the fixing tape 30 is adhered to the bearing surface 122 of the front frame 12. The fixing tape 30 includes a body 31 and a pair of release papers 32. A first adhesive surface 311 and a second adhesive surface 312, the first adhesive surface 311 is adhered to the bearing surface 122 corresponding to the front frame 12, the registration release paper 32 is disposed on the second adhesive surface 312 of the body 31, and One end of the registration release paper 32 extends out of the end surface of the main body 31 to sequentially form an extension portion 321 and a lifting portion 322. The extension portion 321 is adjacent to the main body 31, and the lifting portion 322 is opposite to the extension portion. 321 is bent and can abut the inner side surface 121 of the frame 12 before the frame 10.

As shown in FIG. 7, the front frame 12 is fixed to the periphery of the back plate 11, the light guide plate 20 is disposed on the back plate 11, a reflective sheet 50 is disposed on the rear side of the light guide plate 20, and the front side of the light guide plate 20 is disposed At least one optical film 60, the body 31 of the fixing tape 30 is attached to the bearing surface 122 of the front frame 12, and the display panel 40 is disposed on the front frame 12 and adhered to the body 31.

As shown in FIG. 1 to FIG. 3, a riding stitch 323 is formed between the extending portion 321 and the lifting portion 322. The pulling portion 322 is bent with respect to the extending portion 321 by using the riding stitch 323 as a bend. Fold, the lifting portion 322 is further perpendicular to the extension portion 321, the distance from the riding suture 323 to the end of the body 31 is a preset limit distance, and the distance from the riding suture 323 to the end of the body 31 is 1 ± 0.1㎜, the riding stitching line 323 is in the form of a plurality of holes arranged in a straight line.

As shown in FIG. 1 to FIG. 6, the method for attaching a panel of a display device of the present invention includes a preparation step, a step of fixing and positioning a tape and a step of attaching a display panel.

As shown in FIG. 1 to FIG. 3, in the preparation step, at least one fixing tape 30 and a front frame 12 are provided. The front frame 12 has an inner side surface 121 and a bearing surface 122. The inner side surface 121 is formed opposite to the bearing surface 122. Bending, the fixing tape 30 has a body 31 and a pair of release papers 32. The body 31 has a first adhesive surface 311 and a second adhesive surface 312 opposite to each other. The alignment paper 32 is disposed on the body 31. The second adhesive surface 312, one end of the registration release paper 32 extends from the end surface of the body 31 and sequentially extends to form an extension portion 321 and a pull portion 322, and the pull portion 322 can be opposite to the extension portion 321 Bending, wherein a riding seam 323 is formed between the extending portion 321 and the lifting portion 322, and the pulling portion 322 is formed with the riding seam 323 as a bend and is bent with respect to the extending portion 321. The distance from the line 323 to the end of the body 31 is a preset limit distance.

As shown in FIG. 1 and FIG. 4, in the step of aligning and fixing the fixing tape, the pulling portion 322 of the positioning release paper 32 of the fixing tape 30 is abutted against the inner side 121 of the front frame 12 of the frame 10 to fix the fixing tape. The first adhesive surface 311 of 30 is adhered to the bearing surface 122 of the front frame 12.

As shown in FIGS. 5 and 6, in the step of pasting the display panel, the positioning release paper 32 of the fixing tape 30 is peeled off, and a display panel 40 is attached to the second adhesive surface 312 of the fixing tape 30.

In the above, in the method for attaching the panel of the backlight module and the display device, the fixing tape 30 is extended from the body 31 with one end of the release paper 32 and can be bent. The fixing tape 30 is attached to the front frame 12. When the bearing surface 122, the operator can hold the lifting portion 322, and change the orientation of the operator to hold the fixing tape 30 in the past by the lifting portion 322, thereby avoiding the limitation of the attaching space and allowing the operator to easily grasp and fix The adhesive tape 30 is used to adjust the position of the fixing adhesive tape 30, and the lifting portion 322 is positioned against the inner side 121 of the front frame 12. The positioning release paper 32 can be peeled off after the body 31 is attached to the bearing surface 122. Since the distance from the riding suture 323 to the end of the main body 31 is retained as the preset limit distance, there is no need to use the positioning fixture to assist in positioning to make the main body 31 and the inside of the front frame 12 stick. A preset limit distance is formed between the side surfaces 121. In addition to improving the convenience of alignment and reducing the working hours, it can also avoid the collision damage of the side surface 121 caused by the use of limit fixtures in the past. Ensure reflection on the inner side 121 of the front frame 12 Quality, and material cost savings.

The above is only to disclose the preferred embodiments of the present invention. It is not intended to limit the present invention in any form. Although the present invention has been disclosed as above with the preferred embodiments, it is not intended to limit the present invention. Technical personnel, within the scope of not departing from the technical content of the present invention, can use the disclosed technical content to make a few changes or modifications to equivalent equivalent embodiments, as long as the content does not depart from the technical means of the present invention, according to the present invention In essence, any simple modifications, equivalent changes, and modifications made to the above preferred embodiments still fall within the scope of the technical content of the present invention.

10‧‧‧Frame

11‧‧‧ back plate

12‧‧‧ front frame

121‧‧‧ inside

122‧‧‧bearing surface

20‧‧‧light guide

30‧‧‧Fixing tape

31‧‧‧ Ontology

311‧‧‧First Adhesive Surface

312‧‧‧Second paste surface

32‧‧‧ Registration release paper

321‧‧‧ extension

322‧‧‧Lati

323‧‧‧ Riding suture

40‧‧‧Display Panel

50‧‧‧Reflector

60‧‧‧Optical diaphragm

90‧‧‧ frame

91‧‧‧light guide

92‧‧‧Fixing Tape

921‧‧‧ start

93‧‧‧ back plate

94‧‧‧ front frame

95‧‧‧ bearing surface

96‧‧‧ inside

97‧‧‧ limit fixture

971‧‧‧Starting side wall

FIG. 1 is a schematic partial top plan view of an embodiment of a backlight module of the present invention. FIG. 2 is a schematic partial perspective view of the embodiment of the fixing tape shown in FIG. 1 which is not bent. FIG. 3 is a partially perspective view of the embodiment of the fixing tape of FIG. 2 that has been bent. FIG. 4 is a schematic cross-sectional view taken along a line A-A in FIG. 1. 5 is a schematic cross-sectional view of tearing off the registration release paper of the fixing tape of FIG. 4. FIG. 6 is a schematic cross-sectional view of the display panel pasted with the fixing tape of FIG. 5. FIG. 7 is a schematic partial side view of another embodiment of the backlight module of the present invention. FIG. 8 is a schematic partial plan view of a conventional backlight module.

Claims (8)

A backlight module includes: a frame having a back plate and a front frame, and the front frame is fixed to the periphery of the back plate and has an inner side and a bearing surface, the inner side is opposite to the bearing surface Forming a bend; a light guide plate, the light guide plate is disposed on the back plate; at least one fixing tape, the fixing tape is adhered to the bearing surface of the front frame, the fixing tape comprises: a body, the body having an opposite one A first adhesive surface and a second adhesive surface, the first adhesive surface is adhered to the bearing surface corresponding to the front frame; and a pair of release paper, which is disposed on the second adhesive surface of the body, and the One end of the release paper extends out of the end surface of the body and sequentially forms an extension portion and a pull portion. The extension portion is adjacent to the body. The pull portion is bent relative to the extension portion and can bear against it. On the inner side of the front frame of the frame, a riding stitch is formed between the extension and the pull-up part, and the pull-up part uses the riding stitch as a bend and forms a bend relative to the extension, the riding stitch The distance from the line to the end of the body is Limit set distance. The backlight module according to claim 1, wherein a distance between the riding stitching and an end of the main body is 1 ± 0.1 mm. The backlight module according to claim 1, wherein the riding stitching is in the form of a plurality of holes arranged in a straight line. The backlight module according to claim 2, wherein the riding stitching is a plurality of holes arranged in a straight line. The backlight module according to any one of claims 1 to 4, wherein a reflective sheet is disposed on a rear side of the light guide plate. The backlight module according to any one of claims 1 to 4, wherein the lifting portion is perpendicular to the extension portion. The backlight module according to claim 5, wherein the lifting portion is perpendicular to the extending portion. A method for attaching a panel of a display device, comprising: preparing steps, providing at least one fixing tape and a front frame, the front frame having an inner side and a bearing surface, the inner side forming a bend with respect to the bearing surface, said The fixing tape has a body and a pair of release paper, the body has a first adhesive surface and a second adhesive surface opposite to each other, the alignment paper is disposed on the second adhesive surface of the body, and one end of the alignment paper Extending out of the end surface of the body and sequentially extending to form an extension portion and a pull portion, the pull portion can be bent relative to the extension portion, wherein, in the preparation step, between the extension portion and the pull portion A riding stitch is formed, and the lifting part forms a bend with respect to the extending part by using the riding stitch as a bending point, and the distance from the riding stitch to the end of the body is a preset limit distance; the fixing tape is aligned The step of sticking, abuts the pull-up portion of the release paper of the fixing tape against the inner side of the front frame, and sticks the first sticking surface of the fixing tape to the bearing surface of the front frame; and the step of sticking the display panel , Will fix the tape Release paper tear away bits, the display panel is attached to a second surface of the fixing adhesive tape.