CN2852181Y

CN2852181Y - Frame, backlight module assembly and LCD employing the same

Info

Publication number: CN2852181Y
Application number: CN 200520119356
Authority: CN
Inventors: 张正芳
Original assignee: Innolux Shenzhen Co Ltd; Innolux Display Corp
Current assignee: Innolux Shenzhen Co Ltd; Innolux Corp
Priority date: 2005-11-24
Filing date: 2005-11-24
Publication date: 2006-12-27
Anticipated expiration: 2015-11-24

Abstract

The utility model discloses a frame which is composed of a plurality of side walls, wherein a holding space is enclosed by the side walls orderly. One side wall is provided with a gap, the other two side walls adjacent to the gap are respectively provided with an elastic body. The utility model also provides a backlight module group and a liquid crystal display adopting the frame. The backlight module group and the liquid crystal display adopting the frame are easy to assemble so as to reduce the damage in the disassembly process.

Description

Framework, adopt the module backlight and the LCD of this framework

[technical field]

The utility model relates to a kind of framework, adopts the module backlight and the LCD of this framework.

[background technology]

LCD is a kind of non-self-emission display apparatus, it shows mainly passing through or the obstructed realization of coming by control light beam that external light source sends, therefore need external light source and corresponding guiding device usually, as module backlight, this module backlight can be with the beam direction display panel that external light source sent.

Usually, module backlight mainly comprises light source, light source cover, light guide plate, a flexible circuit board (Flexible Printed Circuit Board, FPC) and other optical element, each element of this module backlight needs a backlight module frame to be fixed when assembling.

A kind of LCD of prior art as shown in Figure 1, this LCD 1 comprises a module 10 backlight and a display panel 20, and this module 10 backlight comprises blast sheet 12 on a flexible circuit board 11, a framework 13, four light-emitting components 15, the light guide plate 17,, once blast sheet 14, a diffusion sheet 18 and a reflector plate 16.

This flexible circuit board 11 provides light-emitting component and the extraneous element that is connected, and it comprises a light source setting area 112.This light-emitting component 15 is arranged on the light source setting area 112 of this flexible circuit board 11.This framework 13 comprises a depressed part 131, and this depressed part 131 has four breach 132.

This module 10 backlight can be assembled according to following order.At first, this light guide plate 17 is arranged on this framework 13, the light source setting area 112 with this flexible circuit board 11 is arranged in this depressed part 131 again, and makes this light-emitting component 15 be positioned at this breach 132.

This framework 13 is generally the glue frame, this light-emitting component 15 be generally light emitting diode (LightEmitting Diode, LED).

But, because above-mentioned light-emitting component 15 need be welded on the light source setting area 112 of this flexible circuit board 11, extraneous power supply comes lighting elements 15 by the circuit on this flexible circuit board 11, and when LED is damaged because of improper use, the FPC replacement that whole LCD will be welded with LED again be need take apart, each optical element and display panel 20 in unloading process, may be damaged.

[utility model content]

For overcoming the defective that to damage each optical element in prior art assembling complexity and the unloading process, be necessary to provide a kind of more easily assembling, and reduce the framework of the infringement in the unloading process.

For overcoming the defective that to damage each optical element in prior art assembling complexity and the unloading process, be necessary to provide a kind of more easily assembling, and reduce the module backlight of the infringement in the unloading process.

For overcoming the defective that to damage each optical element and display panel in prior art assembling complexity and the unloading process, be necessary to provide a kind of more easily assembling, and reduce the LCD of the infringement in the unloading process.

A kind of framework, it is made of a plurality of sidewalls, and these a plurality of sidewalls surround a receiving space in regular turn, have breach on the one sidewall, and wherein, the two side in addition of adjacent this breach is respectively arranged with an elastic component.

A kind of module backlight, it comprises a framework, a light guide plate and a light source, this light guide plate is arranged in this framework, it has an incidence surface, this light source is arranged between the incidence surface of this framework and this light guide plate, and wherein, this framework is provided with the elastic component that is used for this light source of fixing.

This light source is the light emitting diode module of strip, and its two ends are provided with sheet metal.

A kind of LCD, it comprises a display panel and a module backlight, this module backlight comprises a framework, a light guide plate and a light source, this light guide plate is arranged in this framework, it has an incidence surface, and this light source is arranged between the incidence surface of this framework and this light guide plate, wherein, this module backlight further comprises the elastic component that is used for this light source of fixing, and it is oppositely arranged on this framework.

Compared with prior art, because the utility model framework, adopt the module backlight and the LCD of this framework to comprise the elastic component that is used for this light source of fixing, it is oppositely arranged on this framework, promptly this elastic component is between the incidence surface of framework and this light guide plate, be oppositely arranged on this framework, therefore this light source is directly by framework behind in assembling or unloading process, this light guide plate incidence surface of should elastic component packing into fixed get final product, this elastic component is lighted light emitting diode with extraneous the connection, promptly this light source need not to be welded on the flexible circuit board, when light source is damaged because of improper use, also need not to take apart the FPC replacement that whole group LCD will be welded with light source again, get final product and only extract this light source that is stuck between this two elastic component behind by this module backlight, therefore more easily assembling should be designed, and the infringement in the unloading process can be reduced.

[description of drawings]

Fig. 1 is a kind of LCD synoptic diagram of prior art proving installation.

Fig. 2 is the disclosed synoptic diagram of LCD one embodiment.

Fig. 3 is the partial enlarged drawing of framework III part shown in Figure 2.

Fig. 4 is the diagrammatic sketch of facing upward of Fig. 3.

Fig. 5 is the synoptic diagram of light source electrode structure shown in Figure 2.

Fig. 6 is the synoptic diagram behind the LCD assembling light source shown in Figure 2.

Fig. 7 is the local deformation synoptic diagram of LCD shown in Figure 2.

[embodiment]

Seeing also Fig. 2, is the synoptic diagram of LCD first embodiment.This LCD 2 comprises a display panel 100 and a module 200 backlight, and this module 200 backlight comprises blast sheet 240 on a framework 210, a light source 220, the light guide plate 230,, once blast sheet 250, a diffusion sheet 260, a reflector plate 270 and two light source electrode structures 280.

This light source 220 is with the LED module of three light emitting diodes (figure does not show) by the strip of material package such as transparent resin one-tenth, the LED module two ends of this strip are respectively arranged with a copper sheet 222, and these three light emitting diodes are to be linked to each other by lead (figure does not show) with this two copper sheet 222.

This framework 210 is a glue frame and an ejection formation, and it has the first side wall 211, second sidewall 212, the 3rd sidewall 213 and the 4th sidewall 214, and it surrounds a receiving space (not indicating) in regular turn.Has a breach 2110 on this first side wall 211, be used to accommodate the LED die set light source 220 of this strip, be respectively arranged with this light source electrode structure 280 on this second sidewall 212 and the 4th side ancient piece of jade, round, flat and with a hole in its centre 214, this light source electrode structure 280 is integrated on this glue frame 210 when these glue frame 210 ejection formations.

See also Fig. 3, Fig. 4 and Fig. 5, Fig. 3 is the enlarged drawing that is integrated into the light source electrode structure 280 on the 4th side ancient piece of jade, round, flat and with a hole in its centre 214, and Fig. 4 is the upward view of Fig. 3, and Fig. 5 is the synoptic diagram of this light source electrode structure 280.This two light sources electrode structure 280 provides light source 220 and the extraneous element that is electrically connected, one end 281 of this two light sources electrode structure 280 is separately positioned on second sidewall 212 and the 4th a side ancient piece of jade, round, flat and with a hole in its centre 214 of adjacent breach 2110, the other end 282 extends to the breach 2110 on the first side wall respectively, thereby the copper sheet that leads to the LED module two ends that these breach 2,110 one ends 282 contact this strip respectively of this two light sources electrode structure 280 222 is realized conducting, this light source electrode structure 280 is a flexure strip, this flexure strip provides enough elasticity to fix this light source 220, i.e. the LED module of this strip.

This LCD 2 can be assembled according to following order.At first, this light guide plate 230 is arranged in these framework 210 receiving spaces, again this diffusion sheet 260, time blast sheet 250, last blast sheet 240 and display panel 100 are arranged in light guide plate upper frame 210 receiving spaces in regular turn, after the LED die set light source 220 relative blooming pieces of strip are packed in the breach 2110 of this framework 210, make 220 pairs of the LED die set light sources of strip (as shown in Figure 6) is set light guide plate 230 incidence surfaces (figure does not show).

Compared to prior art, since the utility model LCD 2 comprise a strip LED die set light source 220 and one corresponding to this LED module and be arranged on second sidewall 212 of framework 210 and the 4th a side ancient piece of jade, round, flat and with a hole in its centre 214 on the light source electrode structure 280 that constitutes by flexure strip, in assembling process with the LED die set light source 220 of strip directly behind by framework, to getting final product in the breach 2110 of should light source electrode structure 280 packing into, this light source electrode structure 280 is lighted LED with extraneous the electric connection, promptly this led light source need not to be welded on the flexible circuit board, when LED is damaged because of improper use, also need not to take apart the FPC that will be welded with LED after the whole group LCD again replaces, get final product and only extract this light emitting diode module 220 that is stuck between this two light sources electrode structure 280 behind by this module 200 backlight, therefore more easily assembling should be designed, and the infringement in the unloading process can be reduced.

Seeing also Fig. 7, is the LCD second embodiment sectional perspective synoptic diagram.Itself and the first embodiment difference are: this is used for fixing this light source 320, and provide light source 320 only to adopt a flexure strip to realize, realize conducting with the external world thereby LED module one end of this strip contacts with this light source electrode structure 380 with the extraneous light source electrode structure 380 that is electrically connected.The LED module other end of this strip is conducted with the external world by a lead 3122, and this lead 3122 passes with extraneous from the through hole 3120 on second sidewall 312 and is electrically connected.

But it is described that this LCD is not limited to above-mentioned embodiment, and this light source also can be arranged on a plurality of light emitting diodes on one retaining element and make, and this retaining element is made of metal material or resin material, and this light source also can be a cold cathode fluorescent tube.The LED die set light source of strip can be made by four LED encapsulation, also can encapsulate two LEDs or a plurality of LEDs as required, its two ends copper sheet also can get final product for other sheet metal can conduct electricity, as alloy sheet or aluminium flake etc., this light source electrode structure also can be other flexible member, and it is by the LED module of enough this strips of elasticity fixing, and the LED module is got final product with extraneous the electrical connection, this light source electrode structure also can be inserted on this glue frame, as hot-press method by other method.

Claims

1. framework, it is made of a plurality of sidewalls, and these a plurality of sidewalls surround a receiving space in regular turn, have breach on the one sidewall, it is characterized in that: the two side in addition of adjacent this breach is respectively arranged with an elastic component.

2. framework as claimed in claim 1 is characterized in that: this elastic component comprises two ends, and the one end combines with the sidewall of adjacent this breach, and the other end extends to this breach.

3. module backlight, it comprises that a framework, has the light guide plate and a light source of an incidence surface, this light guide plate is arranged in this framework, and this light source is arranged between the incidence surface of this framework and this light guide plate, it is characterized in that: this framework is provided with the elastic component that is used for this light source of fixing.

4. module backlight as claimed in claim 3 is characterized in that: this light source is a light emitting diode module.

5. module backlight as claimed in claim 4 is characterized in that: this light emitting diode module is a plurality of LED package to be made or a plurality of light emitting diodes are arranged on the retaining element of a strip and make.

6. module backlight as claimed in claim 5 is characterized in that: these light emitting diode module two ends are respectively arranged with sheet metal, and these a plurality of light emitting diodes are electrically connected with this sheet metal.

7. module backlight as claimed in claim 3 is characterized in that: this framework is made of a plurality of sidewalls, and these a plurality of sidewalls surround a receiving space in regular turn, and this elastic component is a flexure strip, and is arranged on the sidewall in these a plurality of sidewalls.

8. module backlight as claimed in claim 7 is characterized in that: this elastic component is two flexure strips, and is separately positioned on two relative in these a plurality of sidewalls sidewalls.

9. module backlight as claimed in claim 3 is characterized in that: the part of this elastic component is positioned at this framework.

10. LCD, it comprises a module backlight and a display panel, this display panel is arranged on light outgoing one side of this module backlight, it is characterized in that: this module backlight is any described module backlight in the claim 3 to 9.