CN100543528C

CN100543528C - Lcd

Info

Publication number: CN100543528C
Application number: CNB2006100635842A
Authority: CN
Inventors: 景小红
Original assignee: Innolux Shenzhen Co Ltd; Innolux Display Corp
Current assignee: Innolux Shenzhen Co Ltd; Innolux Corp
Priority date: 2006-11-10
Filing date: 2006-11-10
Publication date: 2009-09-23
Anticipated expiration: 2026-11-10
Also published as: CN101178493A

Abstract

The invention provides a kind of LCD, it comprises a display panels, a backboard, a panel printed circuit board (PCB) that is electrically connected with this display panels and a connecting line that is provided with in regular turn.This panel printed circuit board (PCB) end is provided with the connection female of a tool groove, this connecting line comprises a connection male corresponding with this connection female, the surface that this backboard is adjacent with this panel printed circuit board (PCB) is provided with and is connected the relative guide frame of female with this, this guide frame comprises that a male plummer and two is arranged on the spacer of these male plummer two sides, this male plummer combines with this spacer, and the accurate contraposition of this connection male is inserted in the groove of this connection female.This LCD assembling is simple and the signal transmission is preferable.

Description

LCD

Technical field

The invention relates to a kind of LCD, be arranged on LCD on the backboard especially in regard to a kind of printed circuit board (PCB).

Background technology

LCD have low-voltage, little power consumption, the capacity of display big, be easy to colorize and advantage that can be portable, being expected to replaced C RT becomes the display device of following main flow, it is mainly used in information industry, the device of using as portable information terminal, household electrical appliance, audio-visual device and vehicle/traffic.LCD is a kind of with display panels, module backlight (Backlight Moudule), integrated circuit (Integrated Circuit, IC), printed circuit board (PCB) (Printed Circuit Board, PCB), Connection Element and other element be assemblied in the display device of one.

After the liquid crystal panel manufacturing is finished, need to connect external circuits, for it provides power supply and signal.Generally liquid crystal panel needs external IC and PCB, and this IC and PCB then generally need electrically connect by a flexible circuit board, by metal framework itself and module backlight is installed together formation one demonstration module then.

Seeing also Fig. 1 is a kind of decomposing schematic representation of prior art LCD.This LCD 1 comprises that a fore shell 11, shows module 12, a circuit module 13, a radome 14, a connecting line 15 and a back cover 16.This fore shell 11 combines with back cover 16 accommodates this demonstration module 12, circuit module 13, radome 14 and this connecting line 15.This radome 14 combines with this demonstration module 12, this circuit module 13 is arranged on this demonstration module 12, and should shows that module 12 was electrically connected by this connecting line 15 with this circuit module 13.

This demonstration module 12 comprises a metal backing 120 and is stacked and placed on a panel printed circuit board (PCB) 121 on this metal backing 120.This panel printed circuit board (PCB) 121 is provided with one and connects female 123.

Seeing also Fig. 2, is the partial schematic diagram of another angle of LCD shown in Figure 1.This connects female 123 is cell body, and it comprises the groove 125 with certain-length and degree of depth, and these groove 125 wall portions are provided with a plurality of pins 127.

This connecting line 15 comprises a branch of lead 151 and is connected a connection male 153 of these lead 151 1 ends.This connects male 153 is cuboid, and its surface has a plurality of lead-in wires 154.

See also Fig. 3, be LCD shown in Figure 2 connection male 153 be connected female 123 and peg graft and be arranged on synoptic diagram on the metal backing 120.This female 123 that is connected that connects male 153 and this demonstrations module 12 is pegged graft and is electrically connected, and is about to this and connects male 153 and insert in groove 125 of this connection female 123, and a plurality of pins 127 that make a plurality of lead-in wires 154 of this connection male 153 be connected female 123 with this contact.

But, in assembling process, when this is connected groove 125 of this connection female 123 of male 153 insertions, be connected female 123 volumes with this and approach or less reason owing to the interference of peripheral element and this connect male 153, the two is difficult to accurate contraposition, causes during insertion or to not first-class phenomenon, thereby causes the assembling difficulty, infringement lead-in wire 154 or pin 127 when serious, and then influence transmits the signal that this shows module 12.

Summary of the invention

Assemble the big and relatively poor problem of signal transmission of difficulty for solving above-mentioned LCD, be necessary to provide a kind of LCD simple and that the signal transmission is preferable of assembling.

A kind of LCD, it comprises a display panels, a backboard, a panel printed circuit board (PCB) that is electrically connected with this display panels and a connecting line that is provided with in regular turn; This panel printed circuit board (PCB) end is provided with the connection female of a tool groove; This connecting line comprises a connection male corresponding with this connection female; The surface that this backboard is adjacent with this panel printed circuit board (PCB) is provided with and is connected the relative guide frame of female with this, this guide frame comprises that a male plummer and two is arranged on the spacer of these male plummer two sides, this male plummer combines with this spacer, and the accurate contraposition of this connection male is inserted in the groove of this connection female.

Compared with prior art, because the connection male that is connected the female grafting with this is guided and located to LCD of the present invention by male plummer and keeper, make its relevant position corresponding to this connection female, thereby reaching the connection male inserts in the connection female groove accurately, assembling is simple and avoid damaging because of assembling elements such as lead-in wire or pin, and then the signal that reaches this display panels transmits preferable.

Description of drawings

Fig. 1 is a kind of decomposing schematic representation of LCD of prior art.

Fig. 2 is the partial schematic diagram of another angle of LCD shown in Figure 1.

Fig. 3 be LCD shown in Figure 2 the connection male be connected female and peg graft and to be arranged on synoptic diagram on the metal backing.

Fig. 4 is the decomposing schematic representation of LCD first embodiment of the present invention.

Fig. 5 is another angle decomposing schematic representation of LCD shown in Figure 4 part.

Fig. 6 is a VI part enlarged diagram shown in Figure 5.

Fig. 7 is the assembling synoptic diagram of LCD shown in Figure 5.

Embodiment

Seeing also Fig. 4, is the decomposing schematic representation of LCD first embodiment of the present invention.This LCD 2 comprises that a fore shell 21, shows module 22, a circuit module 23, a radome 24, a connecting line 25 and a back cover 26.This fore shell 21 combines with back cover 26 accommodates this demonstration module 22, circuit module 23, radome 24 and this connecting line 25.This radome 24 combines with this demonstration module 22, this circuit module 23 is placed on this demonstration module 22, and should show that module 22 was electrically connected by this connecting line 25 with this circuit module 23.

This demonstration module 22 comprises a metal backing 220, a display panels (figure does not show) and a panel printed circuit board (PCB) 221.This metal backing 220 is accommodated this display panels and is shown other element of module 22.This panel printed circuit board (PCB) 221 is arranged on this metal backing 220, and it links to each other with this display panels.

Seeing also Fig. 5, is the partial exploded view of another angle of LCD shown in Figure 4.This panel printed circuit board (PCB) 221 is provided with one and connects female 223.This connection female 223 is a cell body, and it comprises the groove 222 with certain width and degree of depth, and wherein a cell wall 225 is adjacent to this backboard, and this cell wall 225 has certain thickness d1, and these groove 222 internal faces are provided with a plurality of pins 224.

This connecting line 25 comprises that a branch of lead 251 and connects male 253.This connection male 253 is connected this lead 251 1 ends, the connection female 223 of its this panel printed circuit board (PCB) 221 that is used to peg graft.This connects male 253 is and the corresponding cuboid of this connection female 223 grooves 222 that its surface has a plurality of lead-in wires 254.

This metal backing 220 comprises that a base plate 210 reaches by these base plate 210 edges to the extended a plurality of sidewalls 214 of same direction, this base plate 210 forms a receiving space (figure does not show), other element that this receiving space is used to accommodate this display panels and shows module 22 in the lump with these several sidewalls 214.

Seeing also Fig. 6, is VI part enlarged diagram shown in Figure 5.This base plate 210 comprise one with this receiving space opposed outer surface 211.The punching press on this outside surface 211 of this base plate 210 is formed with guide frame 212, is that the insertion that connects male 253 safety and precises that is used to lead connects in the groove 222 of female 223.This guide frame 212 comprises a female plummer 213 that projection forms, a male plummer 215 adjacent with female plummer 213 and and two keepers 217 of the sheet gone out of the relative both sides of this male plummer 215.

This female plummer 213 comprises the rectangle loading end 2130 of an and tool certain altitude (d2) parallel with the outside surface 211 of base plate 210, and it is used to carry the connection female 223 of this printed circuit board (PCB) 22.

This male plummer 215 also comprises the rectangle loading end 2150 of an and tool certain altitude (d3) parallel with the outside surface 211 of base plate 210, and it is used to carry the connection male 253 of this connecting line 25.This loading end 2150 comprise a long limit 2160 adjacent with this female plummer 213 and with these length limit 2160 crossing and two relative minor faces 2161.The height (d2) that the height (d3) of the loading end 2150 of this male plummer 215 equals the loading end 2130 of above-mentioned female plummer 213 is connected cell wall 222 thickness (d1) sum of female 223 with this.

This two keeper 217 lays respectively at two minor faces, 2161 both sides of this male plummer 215, and this keeper 217 comprises an end that intersects with this base plate 210 and a free end that extends away from the direction of this base plate 210.This keeper 217 is parallel with the minor face 2161 of this loading end 2150 with the intersecting lens of base plate 210.Each keeper 217 free end is to 215 bendings of male plummer, thereby forms surface levels 219 that smoothly link to each other with this vertical plane 218 with these base plate 210 vertical vertical planes that link to each other 218 and.These surface level 219 ends are the plane and interlace mode is parallel with the loading end 2150 of this male plummer 215, this end has from this loading end 2150 and is connected the height that male 253 thickness equate with this, so that accurately locate the height upper limits of the groove 222 of this connections male 253 corresponding connection females 223.When the terminal width of this surface level 219 was slightly less than the minor face 2161 of this loading end 2150 on the direction away from this female plummer 213, its guiding effect was better.The spacing of this two vertical plane 218 equates or is slightly larger than the width of this connection male 253, on two side directions, aim at the groove 222 that connects female 223 so that guide this connection male 253, when wherein this spacing is slightly larger than these connection male 253 width, a certain position of joint face between this vertical plane 218 and the surface level 219 can equate with the male width and on the side direction accurately guiding this be connected male 253.

Seeing also Fig. 7, is the assembling synoptic diagram of LCD shown in Figure 5.When assembling, should connect female 223 is placed on this female plummer 213, correspondence position welding with this panel printed circuit board (PCB) 221, then this male plummer 215 is accurately inserted in the groove 222 of this connection female 223 along the slide rail that the male plummer 215 of this guide frame 212 and two keepers 217 form, a plurality of lead-in wires 254 that make this connection female 223 electrically contact with a plurality of pins 224 of this connection female 223 are corresponding one by one.

Compared with prior art, because the present invention guides with this keeper 217 and locatees this by this male plummer 215 and is connected male 253 and the correspondence position that is connected female 223 grooves 222, connect in female 223 grooves 222 and reach these connection male 253 accurate and safe insertions, assembling simply and fully avoids damaging because of assembling the maybe danger of the elements such as pin 224 of this connection female 223 of lead-in wire 254 of this connection male 253.

But it is described that LCD of the present invention is not limited to first embodiment, is only to be made up of male plummer and keeper as guide frame.

Claims

1. a LCD (2), it comprises a display panels (figure does not show) that is provided with in regular turn, one backboard (220), an one panel printed circuit board (PCB) (221) that is electrically connected with this display panels and a connecting line (25), this panel printed circuit board (PCB) (221) end is provided with the connection female (223) of a tool groove (222), this connecting line (25) comprises a connection male (253) corresponding with this connection female (223), it is characterized in that: the surface that this backboard (220) is adjacent with this panel printed circuit board (PCB) (221) is provided with and is connected the relative guide frame (212) of female (223) with this, this guide frame (212) comprises that a male plummer (215) and two is arranged on the spacer (217) of these male plummer (215) two sides, this male plummer (215) combines with this spacer (217), and the accurate contraposition of this connection male (253) is inserted in the groove (222) of this connection female (223).

2. LCD as claimed in claim 1 (2), it is characterized in that: this backboard (220) comprises a base plate (210), this base plate (210) has an outside surface (211) adjacent with this panel printed circuit board (PCB) (221), and this guide frame (212) is arranged on this outside surface (211).

3. LCD as claimed in claim 2 (2) is characterized in that: this connection female (223) comprises a cell wall (225) that is adjacent to this backboard (220), and this cell wall (225) has certain thickness.

4. LCD as claimed in claim 3 (2), it is characterized in that: this male plummer (215) is the outside surface (211) that projection is arranged on this base plate (210), it comprises a loading end (2150) parallel with outside surface (211), and this loading end (2150) has certain altitude with this outside surface (211).

5. LCD as claimed in claim 4 (2) is characterized in that: this connection female (223) cell wall (225) thickness highly equates with the loading end (2150) of this male plummer (215).

6. LCD as claimed in claim 4 (2), it is characterized in that: this base plate (210) is gone up further projection and is provided with a female plummer (213) that is used to carry this connection female (223), it comprises a loading end (2130) parallel with outside surface (211), and this loading end (2130) has certain altitude with this outside surface (211).

7. LCD as claimed in claim 6 (2) is characterized in that: loading end (2130) height of the loading end height of this male plummer (215) and this female plummer (213) and to be connected female (223) cell wall (225) thickness sum equal.

8. LCD as claimed in claim 2 (2), it is characterized in that: this two spacer (217) comprises respectively and the vertical vertical plane (218) that links to each other of this base plate (210) that the spacing of this two vertical plane (218) equates or be slightly larger than the width of this connection male (253).

9. LCD as claimed in claim 8 (2), it is characterized in that: this spacer (217) further comprises the surface level (219) that smoothly links to each other with this vertical plane (218), and this surface level (219) has from this male plummer (215) and is connected the height that male (253) thickness equates with this.