CN101021624A - Signal line connecting device and panel display device utilizing signal line connector - Google Patents

Abstract

The invention relates to signal line connector and a flat display unit using the signal line connector, relating to a signal line connector able to prevent incorrect arrangement between on-PCB connector and signal transmitting part, and a flat display unit using it. And it comprises: an image display panel; a connector, arranged on a PCB containing drive circuit to drive the display panel and connected with the drive circuit; a signal transmitting part connected with the display panel and the connector; and a transparent cover integrated with the connector and fixing the signal transmitting part.

Description

Signal line connecting and utilize the panel display apparatus of signal line connecting

[technical field]

The invention relates to panel display apparatus, particularly about coupling arrangement that can prevent the signal wire of erroneous arrangement between connector on the printed-wiring board (PWB) and the signal transfer member and the panel display apparatus that utilizes this signal line connecting.

[background technology]

Recently, for improving the thick and heavy shortcoming of cathode ray tube (CRT), various panel display apparatus are developed successively.Panel display apparatus has liquid crystal indicator (Liquid Crystal Display:LCD), field-emission display device (Field Emission Display:FED), Plasmia indicating panel (Plasma DisplayPanel :) and electroluminescence (Electro-Luminescence:EL) display device etc. to call " PDP " in the following text.Wherein PDP is the panel display apparatus that utilizes plasma discharge display frame, and it has fast response speed and is fit to show characteristics such as large tracts of land picture, therefore be suitable for using high definition television, display and indoor and outdoor advertisement with display on.

With reference to figure 1 and Fig. 2, the printed-wiring board (PWB) (Printed Circuit Board :) that existing P DP has panel (10), be provided with in order to drive panel (10)) and the heat sink (20) that is provided with on panel (10) back side to call " PCB " in the following text, 18.

Panel (10) comprising: many scan electrodes and formation are kept the upper substrate (10a) of electrode, above-mentioned scan electrode and are kept many address electrodes that the direction of electrode crossing is provided with, and the lower basal plate (10b) that comprises the anterior luminescent coating that forms of substrate.Scan electrode, the discharge of keeping between electrode and the address electrode make fluorophor produce visible rays, show suitable picture by the transmitance of adjusting above-mentioned visible rays.

The heat of generation carried out heat release when the heat sink (20) that is provided with at panel (10) back side play a part to support in the panel (10) panel (10) driven.This heat sink (20) is in order to improve radiating effect, and by the good metallics of heat-conductive characteristic, for example aluminium metals such as (A1) constitutes, and is configured near the lower basal plate (10b) of panel (10).

Need a plurality of drive integrated circults (Driving Integrated Circuit: be connected on scan electrode and the address electrode to call " drive IC " in the following text, various data-signals and sweep signal are provided on the panel (10).

Drive IC is made of turntable driving IC (3) and data-driven IC (2), and they are arranged between PCB (18) and the panel (10) separately, responds control signal that PCB (18) provides and provides drive signal to panel (10) top electrode.

Between the digital control circuit of form with output pad that is connected electrically in PCB (18) and lower basal plate (10b) of data-driven IC (2) with thin film chip (COF) or flexible circuit board (Tape Carrier Package:TCP), input side terminal such as Fig. 2 and Fig. 3 of comprising the film line (14) of data-driven IC (2), be inserted into the connector (30) on the PCB (18), be connected with the output pad of PCB (18).Connector (30) is to constitute with non-transparent material such as plastics.

The setting of casing (22) is the impact in order to protect above-mentioned PDP to be subjected in outbound.Like this, original PDP such as Fig. 3 are represented, and an other side of film line (14) is inserted into connector (30) and goes up in the opening (34) that forms, and finish being electrically connected of film line (14) and connector (30).But among original PDP, connector (30) is opaque material, so film line (14) makes a mistake to arrange between film line (14) and the connector (30) when being inserted into opening (34) and also is difficult to confirm.

[summary of the invention]

The objective of the invention is for the connector that prevents printed-wiring board (PWB) and the erroneous arrangement between the signal transfer member, and signal line connecting is provided and utilizes the panel display apparatus of its device.

In order to reach above-mentioned purpose, midplane display device of the present invention comprises: the display panel of displayed image; A plurality of drive IC are set in the panel, are connected on the printed-wiring board (PWB), and connect scan electrode and address electrode, comprise the connector that is electrically connected with above-mentioned drive IC, the above electrode of above-mentioned display panel is connected by the signal transfer member with connector; Connector is provided with the transparent cover with the integrated and fixing above-mentioned signal transfer member of connector.

The signal transfer member is that drive IC is with thin film chip (COF) or flexible circuit board.Be electrically connected between the electrode of the output terminal of printed-wiring board (PWB) PCB (18) and lower basal plate (10b).

Above-mentioned panel display apparatus possesses at least one at the first order line of lid female connector formation and the second order line that at least one forms on transfer member.

Except above explanation, other features of the present invention are clearer and more definite by meeting in the example of explanation accompanying drawing.

[description of drawings]

Fig. 1 is the oblique view that shows original Plasmia indicating panel.

Fig. 2 is the sectional view of displayed map 1 ionic medium display panel.

Fig. 3 is the drawing of the connected mode of the connector on the PCB and film in the displayedmap 2.

Fig. 4 is the sectional view of use-case middle plateform display device of the present invention.

Fig. 5 is the drawing of connector among Fig. 4.

Fig. 6 is the drawing of the connection status of the connector on the PCB and film among Fig. 4.

Fig. 7 is the drawing of lid, film and their connection status of other use-case among Fig. 4.

Fig. 8 is the drawing of lid, film and their connection status of other use-case among Fig. 4.

The explanation of major part symbol among the＜figure 〉

2,102: data-driven IC 3: turntable driving IC

10,1 10: panel 12,112: mat

14,114: film 16,116:IC chip

18,118:PCB 20,120: heat sink

22: casing 30,130: connector

34,134: open 132: lid

[embodiment]

Below,, to Fig. 8 use embodiment of the present invention is described with reference to figure 4.

Fig. 4 is the sectional view of PDP among the use embodiment of the present invention.

With reference to figure 4, in the use-case of the present invention PDP comprise panel (110), for the printed-wiring board (PWB) (Printed Circuit Board :) that drives panel (110), connector (130), transparent cover (132), connector (130) and panel (110) on the PCB (118) with connector (130) one to call " PCB ", 118 in the following text with the heat sink (120) of the back side setting of the signal transfer member COF that is electrically connected or TCP, panel (110).

Panel (110) comprises the upper substrate (110a) that forms most scan electrodes and keep electrode, above-mentioned scan electrode, the many address electrodes that form with the direction of keeping electrode crossing and comprise the lower basal plate (110b) of the luminescent coating that substrate forms previously.Scan electrode, keep between electrode and the address electrode discharge and make fluorophor generation visible rays, show suitable picture by the transmitance of adjusting above-mentioned visible rays.

The generation heat dispelled the heat when the heat sink (120) that the back side of panel (110) is provided with drove panel (110) when supporting panel (110).This heat sink (120) is in order to improve exothermal effect, and by the good metallics of heat-conductive characteristic, for example aluminium metals such as (Al) forms.

Panel (110) needs many drive IC to be connected on scan electrode and the address electrode, and various data-signals and sweep signal are provided.Drive IC is made of turntable driving IC and data-driven IC (102), and they are arranged between PCB (118) and the panel (110) separately, and the control signal that response provides from PCB (118) provides drive signal to panel (110).

Data-driven IC (102) places film printing wiring board (to call film in the following text) with COF with the form that the IC nude film is fixed in printed-wiring board (PWB) or flexible print circuit board TCP, and film is electric to be connected between the electrode of the output pad of PCB (118) and lower basal plate (110b).Here, comprise input side terminal such as Fig. 4 and Fig. 5 of the film (114) of data-driven IC (102), be inserted into the connector (130) on the PCB (118), be connected with the output pad of PCB (118).

Connector (130) is positioned on the PCB (118), with driving loop on the PCB (118) with being electrically connected, the electric signal that drives the loop and provide is provided on the film (114) of COF.Connector (130) is transparent materials formations such as plastics.Such connector (130) possesses the opening (134) of incorporate trapezoid cross section of lid (132) and insertion film (114) as shown in Figure 5.

Lid (132) is arranged on the trapezoid cross section of connector (130) as shown in Figure 5.Such lid (132) is made by transparent material, is combined on the trapezoid cross section of connector (130).The film (114) that such lid (132) inserts in the opening (134) of fixed connector (130), the ordered state between the terminal of simultaneously all right naked eyes affirmation connectors (130) and the winding displacement of film (114).

Like this, PDP such as Fig. 6 in the use-case of the present invention, the opposite side of the film of data COF (114) are inserted into connector (130) and go up in the opening (134) that forms, and film (114) and connector (130) are electrically connected.Go up incorporate transparent cover (134) by connector (130), can confirm the state of the film (114) of insertion opening (134) by naked eyes, so can prevent the erroneous arrangement between connector (130) and the film (114).

Simultaneously, PDP is in order to prevent erroneous arrangement between connector (130) and the COF film (114) in other use-cases of the present invention, as shown in Figure 7, other is provided with a first order line (133) and two second order lines that are positioned on the film (114) that is positioned at transparent cover (132) female connector.

Therefore, when being connected between film (114) and the connector (130), confirm with the naked eye whether a first order line (133) that forms in transparent cover (134) correctly is arranged in the film (114) that the opening (134) of connector (130) inserts and goes up between 2 second order lines of formation.PDP confirms the arrangement of first and second arranging line (133,115) can prevent the erroneous arrangement between connector (130) and the film (114) by transparent cover (132) in other use-case of the present invention.

Simultaneously, PDP is in order to prevent erroneous arrangement between connector (130) and the COF film (114) in the other use-case of the present invention, as shown in Figure 8, other is provided with two first order lines (135) and a second order line (117) that is positioned on the film (114) that are positioned on transparent cover (132).

When being connected between film (114) and the connector (130), confirm that with the naked eye opening (134) film (114) whether two first order lines (135) that transparent cover (134) female connector forms correctly are arranged in connector (130) goes up between the second order line of formation.PDP confirms the arrangement of first and second arranging line (135,117) can prevent the erroneous arrangement between connector (130) and the film (114) by transparent cover (132) in the other use-case of the present invention.

The present invention tightly is not limited to above-mentioned PDP, can same structure be applicable to the panel display apparatus such as liquid crystal indicator, electroluminescence display device and field emission (Electro-Luminescence:EL) display device of PCB and interconnective signal line connecting of film or display frame.

The effect of invention: as mentioned above, signal line connecting and to utilize the panel display apparatus of this coupling arrangement will be arranged on the connector and the transparent lid of printed-wiring board (PWB) integrated among the present invention, confirm easily connector and have erroneous arrangement between the film that drives the loop, can prevent the erroneous arrangement between connector and the film.Simultaneously, the present invention with to have transparent cover of arranging line integrated and form arranging line on film, can prevent the erroneous arrangement between connector and the film at the connector that is provided with on the printed-wiring board (PWB).

By the content of above explanation, can know that in the scope that does not break away from technological thought of the present invention, various variation and correction are possible.Therefore, technical scope of the present invention is not to only limit in the instructions to describe in detail the content of record but decide by patent request scope.

Claims (9)

1, utilizes the panel display apparatus of signal line connecting, comprise the display panel of displayed image; A plurality of drive IC are set in the panel, are connected on the printed-wiring board (PWB), and connect scan electrode and address electrode, comprise the connector that is electrically connected with above-mentioned drive IC, the above electrode of above-mentioned display panel is connected by the signal transfer member with connector; It is characterized in that connector is provided with the transparent cover with the integrated and fixing above-mentioned signal transfer member of connector.

2, the panel display apparatus that utilizes signal line connecting according to claim 1 is characterized in that the signal transfer member is that drive IC is with thin film chip or flexible circuit board.

3, the panel display apparatus that utilizes signal line connecting according to claim 1 and 2 is characterized in that the signal transfer member is electrically connected between the electrode of the output terminal of printed-wiring board (PWB) (18) and lower basal plate (10b).

4, the panel display apparatus that utilizes signal line connecting according to claim 1 and 2 is characterized in that being provided with a shape first order line and second order line that at least one forms at least at the lid female connector on transfer member.

5, the panel display apparatus that utilizes signal line connecting according to claim 1 and 2, it is characterized in that data-driven IC (102) places film with thin film chip with the form that the IC nude film is fixed in printed-wiring board (PWB) or flexible print circuit board, film is electric to be connected between the electrode of the output pad of printed-wiring board (PWB) (118) and lower basal plate (110b).

6, the panel display apparatus that utilizes signal line connecting according to claim 1 and 2 is characterized in that connector has the opening (134) of incorporate trapezoid cross section of a lid (132) and insertion film (114).

7, the panel display apparatus that utilizes signal line connecting according to claim 6 is characterized in that being provided with in addition a first order line (133) and two second order lines that are positioned on the film (114) that is positioned at transparent cover (132) female connector.

8, the panel display apparatus that utilizes signal line connecting according to claim 6 is characterized in that being provided with in addition two first order lines (135) and a second order line (117) that is positioned on the film (114) that are positioned on transparent cover (132).

9, the panel display apparatus that utilizes signal line connecting according to claim 6 is characterized in that two first order lines (135) that female connector forms are arranged between the last second order line that forms of opening (134) film (114) of connector (130).

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