CN209327743U - Backlight module and display device - Google Patents

Abstract

A kind of backlight module and display device.Display device includes the display panel of backlight module and opposite backlight module setting.Backlight module includes backboard, light guide plate, luminescence component, adhesion coating and cohesive structure.Backboard has bottom wall and is connected to the lampshade portion of the side of bottom wall.Lampshade portion includes the roof opposite with bottom wall.Light guide plate is configured at bottom wall and there is part to be located at the light-emitting surface in lampshade portion.Luminescence component includes covering part light-emitting surface and extends to the substrate on the outside of incidence surface.Adhesion coating is adhered between the light-emitting surface of light guide plate and substrate and is located in lampshade portion.Cohesive structure is pasted between the top surface and display panel of the separate bottom wall of roof and the not region Chong Die with adhesion coating of substrate.The display device of the utility model is not easy to generate the situation of offset because carrying or dropping because of the luminescence component of backlight module, thus the reliability with height, and be not easy to influence display quality because luminescence component deviates.

Description

Backlight module and display device

Technical field

The utility model relates to a kind of backlight module and display device, in particular to a kind of backlight of side-light type Module and display device with this backlight module.

Background technique

It mainly include the components such as backlight module, display panel in liquid crystal display.According to the difference of light source direction, backlight Module can be divided into side light type back light module and direct type backlight module again.By taking side light type back light module as an example, side-light backlight Module includes backboard, light guide plate and luminescence component, and wherein light guide plate includes incidence surface and light-emitting surface, and luminescence component includes base Plate and the light emitting diode being configured on substrate, light emitting diode are configured at by the incidence surface of light guide plate, substrate then with light guide plate Partly it is stacked on one another.The light that light emitting diode is issued enters in light guide plate via incidence surface, and light guide plate can make light It is emitted from light-emitting surface, and forms area source.Light guide plate is fixed on backboard, and backboard extends lampshade portion, luminescence component and leaded light The incidence surface of plate is located in lampshade portion.

In known technology, in order to allow the opening in lampshade portion to become smaller, the substrate of luminescence component can be set to light guide plate Light-emitting surface on.However, such assembling mode, the substrate of luminescence component is usually not secured to light guide plate, if lampshade portion opens It when mouth is larger, is easy to cause the positional shift of luminescence component because carrying or dropping, thus influences display quality.

This " background technique " paragraph is used only to help to understand the content of the present invention, therefore is taken off in " background technique " The content of dew may include some known technologies without constituting road known to those skilled in the art.In addition, in " background technique " In disclosed content do not represent the content or the utility model one or more embodiment problem to be solved, also not Representative has been readily known to those persons skilled in the art or has recognized before the present utility model application.

Utility model content

The purpose of this utility model is to provide a kind of backlight module, the fixation luminescence component that can consolidate.

The further object of the utility model is to provide a kind of display device have the reliability of height.

The other objects and advantages of the utility model can be obtained from the technical characteristic disclosed by the utility model into one The understanding of step.

It is up to above-mentioned one or partly or entirely purpose or other purposes, backlight module provided by the utility model Including backboard, light guide plate, luminescence component, adhesion coating and cohesive structure.Backboard has bottom wall and is connected to the side of bottom wall Lampshade portion.Lampshade portion includes the roof opposite with bottom wall and the side wall that is connected between roof and bottom wall.Light guide plate is configured at bottom Wall and have adjacent incidence surface and light-emitting surface.Incidence surface and partial light-emitting surface are located in lampshade portion.Luminescence component includes base Plate and a plurality of light-emitting elements.It the light-emitting surface of substrate covering part and extends on the outside of incidence surface.These light-emitting components are configured at base Plate is simultaneously opposite with incidence surface.Adhesion coating is adhered between the light-emitting surface of light guide plate and substrate, and be located at lampshade portion in and adjacent to Incidence surface.Cohesive structure is pasted on top surface and substrate of the roof far from the bottom wall not region Chong Die with adhesion coating.

It is up to above-mentioned one or partly or entirely purpose or other purposes, display device provided by the utility model Display panel comprising above-mentioned backlight module and opposite backlight module setting.Cohesive structure is pasted on roof far from bottom wall Between the top surface and display panel and substrate not region Chong Die with adhesion coating.

The luminescence component of the utility model is adhered to light guide plate through adhesion coating because substrate is located at the part in lampshade portion, and The part that substrate protrudes from lampshade portion is pasted on same cohesive structure with roof again, so that luminescence component can be firmly fixed to carry on the back Plate and light guide plate avoid the position of the luminescence component of known technology from being easy to generate the missing of offset because carrying or dropping.This reality It is not easy to generate the situation of offset because carrying or dropping with novel display device because of the luminescence component of backlight module, to have The reliability of height, and be not easy to influence display quality because luminescence component deviates.

For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferred reality is cited below particularly Example is applied, and cooperates attached drawing, is described in detail below.

Detailed description of the invention

Fig. 1 is the schematic diagram for showing the backlight module of an embodiment of the present invention.

Fig. 2 is the schematic diagram for showing the display device of an embodiment of the present invention.

Fig. 3 A is the schematic diagram for showing the display device of another embodiment of the utility model.

Fig. 3 B is the schematic top plan view after the contraposition of the roof with supporting pad in lampshade portion in Fig. 3 A is combined.

Fig. 3 C to Fig. 3 G be the lampshade portion of another five embodiments of the utility model roof in conjunction with the contraposition of supporting pad after Schematic top plan view.

Fig. 4 A is the schematic diagram for showing the display device of another embodiment of the utility model.

Fig. 4 B to Fig. 4 D is the local overlooking schematic diagram for showing the backboard of the utility model the other three embodiment.

Fig. 5 is the schematic diagram for showing the display device of another embodiment of the utility model.

Description of symbols

10,10a, 10b, 10c: display device

100,100a, 100b, 100c: backlight module

110,110b, 110c: backboard

111: bottom wall

112,112c: lampshade portion

113,113b, 113c, 113d: roof

114: side wall

115: top surface

116,116a, 116b: side

117, the 117a: the first position limiting structure

118,118b, 118c: limit perforation

120: light guide plate

121: incidence surface

122: light-emitting surface

123: bottom surface

130: luminescence component

131: substrate

132: light-emitting component

140: adhesion coating

150,150a, 150b, 150c: cohesive structure

151: elastic glue-line

152,152c: gluing piece

153,153a, 153b, 153c: supporting pad

154: protruding portion

155,156: glue-line

157, the 157a: the second position limiting structure

158: locating part

160: optical diaphragm

170: reflector plate

200: display panel

G1: the thickness of design gaps

H: the thickness of supporting pad

T1: the thickness of adhesion coating

T2: the thickness of roof.

Specific embodiment

Aforementioned and other technology contents, feature and effect in relation to the utility model refer to the one of attached drawing in following cooperation In the detailed description of preferred embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as: upper, Under, it is left and right, front or rear etc., be only the direction with reference to attached drawing.Therefore, the direction term used is for illustrating not to be used to limit The utility model processed.

Fig. 1 is the schematic diagram for showing the backlight module of an embodiment of the present invention.Please refer to Fig. 1, the back of the present embodiment Optical module 100 includes backboard 110, light guide plate 120, luminescence component 130, adhesion coating 140 and cohesive structure 150.Backboard 110 has There is bottom wall 111 and is connected to the lampshade portion 112 of the side of bottom wall 111.Lampshade portion 112 includes the roof 113 opposite with bottom wall 111 And it is connected to the side wall 114 between roof 113 and bottom wall 111.

Light guide plate 120 is configured at bottom wall 111 and with adjacent incidence surface 121 and light-emitting surface 122.Incidence surface 121 and portion Point light-emitting surface 122 be located in lampshade portion 112, i.e., in Y-direction of a part of light guide plate 120 in Fig. 1 be located at roof 113 and Between bottom wall 111.

Luminescence component 130 includes substrate 131 and a plurality of light-emitting elements 132 (one is painted in Fig. 1 as representative).Substrate The light-emitting surface 122 of 131 covering parts and extend to the outside of incidence surface 121.These light-emitting components 132 be configured at substrate 131 and with Incidence surface 121 is opposite.Substrate 131 can be flexible circuit board (Flexible Print Circuit；FPC) or other are flexible Circuit board, but not limited to this.Light-emitting component 132 may include light emitting diode, laser diode or other solid luminescents member Part.

Adhesion coating 140 is adhered between the light-emitting surface 122 of light guide plate 120 and substrate 131, and is located in lampshade portion 112 simultaneously Adjacent to incidence surface 121.Cohesive structure 150 be pasted on top surface 115 and substrate 131 of the roof 113 far from bottom wall 111 not with it is viscous Layer 140 be overlapped region.Cohesive structure 150 can the structure that constituted for single material or the multilayer knot being made of unlike material Structure.

The backlight module 100 of the present embodiment can further include that (Fig. 1 is with a piece of optical diaphragm 160 at least a piece of optical diaphragm 160 For), it is set to the region that light-emitting surface 122 is not covered by substrate 131, cohesive structure 150 is for example also pasted on optical diaphragm 160, so that optical diaphragm 160 can also be fixed.Cohesive structure 150 covers the part that optical diaphragm 160 is closer to substrate 131.Light Learn diaphragm 160 can for diffusion sheet, prismatic lens etc., it is not limited to this.

The backlight module 100 of the present embodiment can further include the reflector plate 170 being configured between bottom wall 111 and light guide plate 120, To reflect the light leaked out from the bottom surface of light guide plate 120 123, light utilization ratio is promoted.

The luminescence component 130 of the present embodiment is adhered to because substrate 131 is located at the part in lampshade 112 through adhesion coating 140 Light guide plate 120, and substrate 131 protrudes from the part in lampshade portion 112 and roof 113 is pasted on same cohesive structure 150, so that Luminescence component 130 can be firmly fixed to backboard 110 and light guide plate 120, and the position of luminescence component 130 is not easy because carrying or dropping And offset is generated, therefore the backlight module 100 of the present embodiment has preferable reliability.

Fig. 2 is the schematic diagram of the display device of an embodiment of the present invention.Referring to figure 2., the display dress of the present embodiment Set the display panel 200 that 10 backlight modules 100 including Fig. 1 and opposite backlight module 100 are arranged.Cohesive structure 150 is pasted Between top surface 115 and display panel 200.

The display device 10 of the present embodiment is not easy to generate because carrying or dropping because of the luminescence component 130 of backlight module 100 The situation of offset, thus the reliability with height, and be not easy to influence display quality because luminescence component 130 deviates.

Fig. 3 A is the schematic diagram for showing the display device of another embodiment of the utility model.A referring to figure 3., the present embodiment Display device 10a and Fig. 2 display device 10 the difference is that, the cohesive structure 150a of the backlight module 100a of the present embodiment For multilayered structure, for example including elastic glue-line 151, adhesive sheet 152 and supporting pad 153.

Elastic glue-line 151 is pasted on the top surface 115 of roof 113, and has the protruding portion 154 for protruding from roof 113 (such as void Region on the right side of line).Protruding portion 154 for example can protrude from roof 113 along the X-direction in Fig. 3 A.Elastic glue-line 151 has Compressibility, it may include foam, rubber, and sticky material is equipped on upper and lower two surface of foam, rubber.Elastic glue-line 151 Can be or other flexible glue-lines.Substrate 131 some extend to the outside of lampshade portion 112 (such as along the X in Fig. 3 A Axis direction extends to 112 outside of lampshade portion), protruding portion 154 is opposite with the part that substrate 131 is located at 112 outside of lampshade portion.Gluing Piece 152 is adhered to the part that substrate 131 is located at 112 outside of lampshade portion, and is bonded the optical diaphragm 160 of simultaneously covering part.Support Pad 153 is connected between protruding portion 154 and adhesive sheet 152.

Supporting pad 153 compares elastic glue-line 151 hardness with higher, and the weight of display panel 200 can pass through supporting pad 153 and under be pressed on the part that substrate 131 is located at the outside of lampshade portion 112, to avoid the light-emitting surface 122 of substrate 131 and light guide plate 120 Between generate gap, i.e., the part that substrate 131 is located at 112 outside of lampshade portion can fit in light-emitting surface 122 completely.In this way, can disappear Except because above-mentioned gap there are due to generate the situation of light leakage.

The thickness of supporting pad 153 can be greater than roof 113 thickness, the power of pushing is imposed on into substrate 131, however also need by Roof 113 considers together with the design spacing of substrate 131 and the thickness of adhesion coating 140.Specifically, roof 113 and substrate 131 Between design spacing be G1, supporting pad 153 with a thickness of H, adhesion coating 140 with a thickness of T1, roof 113 with a thickness of T2, The thickness of supporting pad 153 must meet H > T1+T2+G1.

The gluing piece 152 and supporting pad 153 for being connected to the lower section of supporting pad 153 can also be with for two components or adhesive sheet 152 Supporting pad 153 is integrally formed.Gluing piece 152 can have the glue-line 155 corresponding to substrate 131 and correspond to optical diaphragm 160 Glue-line 156, glue-line 155 are located away from glue-line 156, it is not limited to this.Glue-line 155 can also be integrally connected to glue-line 156.

Supporting pad 153 and the material of adhesive sheet 152 can be laminate polyester (PET), and also known as wheat draws (Mylar), but not It is only limitted to this.Supporting pad 153 and adhesive sheet 152 can also can adhere to the material of sticky material for other.

Fig. 3 B is the schematic top plan view after the contraposition of the roof with supporting pad in lampshade portion in Fig. 3 A is combined.Referring to figure 3. A with Fig. 3 B, the roof 113 in lampshade portion 112 also have the side 116 adjacent with top surface 115, and supporting pad 153 is for example designed to support It is against the side 116 of roof 113, to ensure supporting pad 153 and lampshade portion 112 in the precision of the relative position of X-direction.This Outside, also can pass through other structures design further ensures that supporting pad 153 and lampshade portion 112 in the essence of the relative position of Z-direction Accuracy.When supporting pad 153 is all positioned at roof 113 in X-direction and Z-direction, it can also jointly make cohesive structure 150a is whole to be positioned at roof 113 in X-direction and Z-direction.

Fig. 3 C to Fig. 3 G be the lampshade portion of another five embodiments of the utility model roof in conjunction with the contraposition of supporting pad after Schematic top plan view.The side 116a of C referring to figure 3., roof 113a have the first position limiting structure 117, and supporting pad 153a has The second position limiting structure 157 matched with the first position limiting structure 117, the first position limiting structure 117 are to protrude from the convex of side 116a Portion out, and the second position limiting structure 157 is then to be depressed in depression in the surface portion of the supporting pad 153a towards side 116a, through first Position limiting structure 117 is incorporated into the second position limiting structure 157, with positioning support pad 153 and lampshade portion 112 in the opposite position of Z-direction It sets.The quantity of the protrusion of first position limiting structure 117 can be one or more, and the number of the recessed portion of the second position limiting structure 157 It measures corresponding with the quantity of protrusion.In fig. 3 c, the shape that the first position limiting structure 117 and the second limiting section 157 are fitted to each other It is schematically shown as rectangle, it is not limited to this, for example, the shape that the first position limiting structure 117 and the second limiting section 157 are fitted to each other is also It can semicircular in shape or polygon.

The first position limiting structure 117a in D to Fig. 3 G referring to figure 3., Fig. 3 D to Fig. 3 G is the recess for being depressed in side 116b Portion, and the second position limiting structure 157a for being matched with the first position limiting structure 117a is to protrude from supporting pad 153b towards side 116b The protrusion on surface.The quantity of the recessed portion of first position limiting structure 117a can be one or more, and the second position limiting structure 157a Protrusion quantity it is corresponding with the quantity of recessed portion.What the first position limiting structure 117a and the second limiting section 157a was fitted to each other Shape can also be in rectangle, the triangle in Fig. 3 E, the semicircle in Fig. 3 F or the ladder in Fig. 3 G in various shape, such as Fig. 3 D Shape.

Fig. 4 A is the schematic diagram for showing the display device of another embodiment of the utility model.Please refer to Fig. 4 A.The present embodiment Display device 10b it is roughly the same with the display device 10a of Fig. 3 A, be different in: the backlight module 100b's of the present embodiment The roof 113b of backboard 110b also has limit perforation 118, and cohesive structure 150b further includes locating part 158, and locating part 158 connects It is connected to elastic glue-line 151 and is arranged in limit perforation 118, cohesive structure 150b is positioned in X-direction and Z-direction Roof 113b.Locating part 158 only needs to be connected to elastic glue-line 151 and is arranged in limit perforation 118, and can be not necessary to contact or press In substrate 131.The material of locating part 158, which can be identical to supporting pad 153 or other, can adhere to the material of sticky material.

Fig. 4 B to Fig. 4 D is the local overlooking schematic diagram for showing the backboard of the utility model the other three embodiment.Please refer to figure 4B to Fig. 4 D, limit perforation 118b may be disposed at any position of roof 113d, and in top view and can be in any shape, Such as the rectangle of Fig. 4 B, Fig. 4 C strip or Fig. 4 D it is trapezoidal.In addition, having the top of limit perforation 118b in Fig. 4 B to Fig. 4 D Wall 113d can also have the position limiting structure being fitted to each other as the roof in Fig. 3 C to Fig. 3 G between supporting pad.

Fig. 5 is the schematic diagram for showing the display device of another embodiment of the utility model.Referring to Fig. 5, the present embodiment Display device 10c is roughly the same with the display device 10b of display device 10a or Fig. 4 A of Fig. 3 A, is different in the present embodiment Backlight module 100c backboard 110c lampshade portion 112c roof 113c have limit perforation 118c, gluing piece 152c bonding In substrate 131 the not region Chong Die with adhesion coating 140 and be located in lampshade portion 112c, and substrate 131 is integrally located at lampshade portion In 112c.Supporting pad 153c is configured in limit perforation 118c, and is connected between elastic glue-line 151 and adhesive sheet 152c.Limit Position perforation 118c and Fig. 4 A limit perforation 118 be different in limit perforation 118c be set to substrate 131 not with 140 weight of adhesion coating On folded region, and in the X-axis direction compared with adhesion coating 140 closer to side 116.

Supporting pad 153c is configured in limit perforation 118c, and limit perforation 118c can provide supporting pad 153c in X-direction With the positioning in Z-direction so that supporting pad 153c can exactitude position in the not region Chong Die with adhesion coating 140 of substrate 131.This Outside, because supporting pad 153c is adhered to elastic glue-line 151 and adhesive sheet 152c, it can also jointly make cohesive structure 150c whole in Z Axis direction and X-direction are positioned at roof 113c.

The luminescence component of the utility model is adhered to light guide plate through adhesion coating because substrate is located at the part in lampshade portion, and The part that substrate protrudes from lampshade portion is pasted on same cohesive structure with roof again, so that luminescence component can be firmly fixed to carry on the back Plate and light guide plate avoid the position of the luminescence component of known technology from being easy to generate the missing of offset because carrying or dropping.This reality It is not easy to generate the situation of offset because carrying or dropping with novel display device because of the luminescence component of backlight module, to have The reliability of height, and be not easy to influence display quality because luminescence component deviates.

The above, the only preferred embodiment of the utility model are implemented when that cannot limit the utility model with this Range, i.e., it is all according to simple equivalence changes made by the utility model claims book and novel description and modification, All still belong to the utility model patent covering in the range of.In addition, any embodiment or claim of the utility model are not necessary to reach At whole purposes disclosed by the utility model or advantage or feature.In addition, abstract part and utility model title are intended merely to Auxiliary patent document retrieval is used, and not is used to limit the interest field of the utility model.In addition, this specification or claim The terms such as " first " that is referred in book, " second " only to name element (element) title or the different embodiments of difference or Range, and not it is used to the quantitative upper limit of restriction element or lower limit.

Claims (15)

1. a kind of backlight module, which is characterized in that the backlight module includes backboard, light guide plate, luminescence component, adhesion coating and glues Structure, in which:

The backboard has bottom wall and is connected to the lampshade portion of the side of the bottom wall, and the lampshade portion includes side wall and roof, The roof is opposite with the bottom wall, and the side wall is connected between the roof and the bottom wall；

The light guide plate is configured at the bottom wall, and has adjacent incidence surface and light-emitting surface, described in the incidence surface and part Light-emitting surface is located in the lampshade portion；

The luminescence component includes substrate and a plurality of light-emitting elements, light-emitting surface described in the substrate covering part and is extended to described On the outside of incidence surface, the multiple light-emitting component is configured at the substrate and opposite with the incidence surface；

The adhesion coating is adhered between the light-emitting surface of the light guide plate and the substrate, and is located in the lampshade portion simultaneously Adjacent to the incidence surface；And

The cohesive structure be pasted on top surface and the substrate of the roof far from the bottom wall not with the adhesion coating weight Folded region.

2. backlight module according to claim 1, which is characterized in that the cohesive structure includes elastic glue-line, gluing piece And supporting pad, in which:

The elasticity glue-line is pasted on the top surface of the roof, and has the protruding portion for protruding from the roof, the base Some is extended on the outside of the lampshade portion plate, and the protruding portion and the substrate are located at the portion on the outside of the lampshade portion Split-phase pair；

The gluing piece is adhered to the part that the substrate is located on the outside of the lampshade portion；And

The supporting pad is connected between the protruding portion and the adhesive sheet.

3. backlight module according to claim 2, which is characterized in that the backlight module further includes at least a piece of optical film Piece, is set to the region that the light-emitting surface is not covered by the substrate, and the adhesive sheet is also adhered at least a piece of light Learn diaphragm.

4. backlight module according to claim 3, which is characterized in that the adhesive sheet includes corresponding respectively to the substrate With at least a piece of optical diaphragm and two glue-lines that are separated from each other.

5. backlight module according to claim 2, which is characterized in that the adhesive sheet and the supporting pad are integrated into Type.

6. backlight module according to claim 2, which is characterized in that the roof also has the side adjacent with the top surface Face, the supporting pad are resisted against the side.

7. backlight module according to claim 6, which is characterized in that the side has the first position limiting structure, the branch Stake pad has the second position limiting structure matched with first position limiting structure, and first position limiting structure is incorporated into described second Position limiting structure.

8. backlight module according to claim 7, which is characterized in that first position limiting structure and second limit are tied One of structure is protrusion, and first position limiting structure and second position limiting structure are wherein another for recessed portion.

9. backlight module according to claim 6, which is characterized in that the roof also has limit perforation, and described viscous Structure further include locating part, the locating part is connected to the elastic glue-line and is arranged in the limit perforation.

10. backlight module according to claim 2, which is characterized in that have between design between the roof and the substrate Away from G1, the supporting pad with a thickness of H, the adhesion coating with a thickness of T1, the roof with a thickness of T2, and H > T1+T2+ G1。

11. backlight module according to claim 1, which is characterized in that the roof has limit perforation, the adhesion knot Structure includes elastic glue-line, adhesive sheet and supporting pad, in which:

The elasticity glue-line is pasted on the top surface of the roof；

The adhesive sheet is adhered to the substrate region not Chong Die with the adhesion coating, and is located in the lampshade portion； And

The supporting pad is configured in the limit perforation, and is connected between the elastic glue-line and the adhesive sheet.

12. backlight module according to claim 11, which is characterized in that the backlight module further includes at least a piece of optics Diaphragm, is set to the region that the light-emitting surface is not covered by the substrate, and the adhesive sheet also extends to outside the lampshade portion Side and be adhered at least a piece of optical diaphragm.

13. backlight module according to claim 12, which is characterized in that the adhesive sheet includes corresponding respectively to the base Plate and at least a piece of optical diaphragm and two glue-lines being separated from each other.

14. backlight module according to claim 12, which is characterized in that have between design between the roof and the substrate Away from G1, the supporting pad with a thickness of H, the adhesion coating with a thickness of T1, the roof with a thickness of T2, and H > T1+T2+ G1。

15. a kind of display device, which is characterized in that the display device includes display panel and backlight module, in which:

The backlight module is oppositely arranged with the display panel, the backlight module include backboard, light guide plate, luminescence component, Adhesion coating and cohesive structure, in which:

The backboard has bottom wall and is connected to the lampshade portion of the side of the bottom wall, and the lampshade portion includes side wall and roof, The roof is opposite with the bottom wall, and the side wall is connected between the roof and the bottom wall；

The light guide plate is configured on the bottom wall, and has adjacent incidence surface and light-emitting surface, the incidence surface and part institute Light-emitting surface is stated to be located in the lampshade portion；

The luminescence component includes substrate and a plurality of light-emitting elements, light-emitting surface described in the substrate covering part and is extended to described On the outside of incidence surface, the multiple light-emitting component is configured at the substrate and opposite with the incidence surface；

The adhesion coating is adhered between the light-emitting surface of the light guide plate and the substrate, and is located in the lampshade portion simultaneously Adjacent to the incidence surface；And

The cohesive structure is pasted between top surface and the display panel of the roof far from the bottom wall and the base The plate not region Chong Die with the adhesion coating.