CN103091877A - Antistatic liquid crystal display (LCD) graphic design technology - Google Patents

Abstract

The invention relates to a technology which resists the outside electrostatic interference by means of liquid crystal display (LCD) graphics transformation and an equipotential structure design. The technology is characterized by comprising the following steps: for an area which can form isoelectric level through a conductive gold ball in a frame, copying an electrode leading wire which is the same in electrode layer as a back piece glass substrate on a front piece glass substrate electrode layer, and forming isoelectric level through the conductive gold ball in the frame; meanwhile, further copying an electrode leading wire which is the same in electrode layer as a front glass substrate on a front piece glass substrate electrode layer on the back piece glass substrate electrode layer, and forming isoelectric level through the conductive gold ball in the frame; for the area which cannot form isoelectric level through the conductive gold ball in the frame, arranging the electrode leading wire in the area at the corresponding position of front piece glass substrate electrode layer, and connecting with an external electrode. According to the antistatic LCD graphic design technology, antistatic effect is good, and therefore the phenomenon that displaying is random or random displaying does not disappear for a long time is avoided.

Description

Antistatic LCD graphic designs technology

Technical field

The figure conversion and the equipotential structural design that the present invention relates to a kind of LCD of utilization are resisted the technology that extraneous static disturbs.

Background technology

Liquid crystal indicator (Liquid Crystal Display, be called for short LCD) because it has slim body, little power consumption, the advantage such as radiationless, is widely used in TV, notebook computer, mobile phone, vehicle-carrying display screen.Electrostatic problem is a wide gap that is difficult to go beyond of LCD quality and the process of manufacturing always, the static that production run produces can puncture the ITO cabling, cause scrapping of product function, the static in use procedure can cause the unnecessary demonstration of LCD, and does not disappear for a long time.We often can find in winter; touched the LCD surface with hand; disorderly aobvious a slice on whole LCD screen; crossed and to have recovered for a long time normal; this is all that static affects LCD, although present IC, the driving circuits such as pcb board have all taken into full account the antistatic effect of product; but for the higher product of the quality requirements such as vehicle-mounted LCD, need a kind of technology that extraneous static disturbs of resisting of simple reliable technology.

Summary of the invention

The purpose of this invention is to provide a kind of antistatic LCD graphic designs technology, this technology is resisted extraneous static by frame transfer, equipotential and figure conversion and is disturbed, technology is reliable, and antistatic effect is good, has avoided the random aobvious or random aobvious rear phenomenon that does not disappear for a long time.

For achieving the above object, the present invention is achieved through the following technical solutions:

Antistatic LCD graphic designs technology, the LCD liquid crystal cell comprises anter glass substrate, anter glass substrate electrode layer, liquid crystal, tergite glass substrate electrode layer, tergite glass substrate, frame, anter SEG electrode is positioned on anter glass substrate electrode layer, and anter SEG electrode connects outer electrode; Tergite COM electrode is positioned on tergite glass substrate electrode layer, is provided with the gold goal that can make the conducting of upper/lower electrode layer in frame; Anter glass substrate electrode layer is connected with driving circuit or power supply by wire, and the contact conductor of tergite glass substrate electrode layer is transformed on anter glass substrate electrode layer by the conductive gold spacer in frame and silver point and is connected with external power source, it is characterized in that,

For forming by the conductive gold spacer in frame equipotential zone, copy the contact conductor identical with tergite glass substrate electrode layer on anter glass substrate electrode layer, and make the contact conductor and the original contact conductor conducting of tergite glass substrate electrode layer that copy at the front glass substrate electrode layer form equipotential by the conductive gold spacer in frame; Simultaneously, also copy the lead-in wire identical with anter glass substrate electrode layer on tergite glass substrate electrode layer, and make by the conductive gold spacer in frame that original lead-in wire conducting forms equipotential on lead-in wire that tergite glass substrate electrode layer copies and anter glass substrate electrode layer;

For forming equipotential zone by conductive gold spacer, the contact conductor that this is regional is arranged on anter glass substrate electrode layer correspondence position and connects outer electrode.

Compared with prior art, the invention has the beneficial effects as follows:

This technology is resisted extraneous static by frame transfer, equipotential and figure conversion and is disturbed, and technology is reliable, and antistatic effect is good, has avoided the random aobvious or random aobvious rear phenomenon that does not disappear for a long time.

Description of drawings

Fig. 1 is the structural representation of LCD liquid crystal cell.

Fig. 2 is that extraneous static acts on liquid crystal cell different parts schematic diagram.

Fig. 3 is LCD anter SEG electrode, tergite COM electrode, the frame before the electrode conversion, the conductive gold spacer structural representation.

Fig. 4 can directly carry out the equipotential zone and can not carry out the regional schematic diagram of equipotential.

Fig. 5-1st, after equipotential, the electrode structure schematic diagram of step direction (the step direction refers to the outer electrode direction).

Fig. 5-2nd, after equipotential, the electrode structure schematic diagram of non-step direction.

Fig. 6 is anter SEG electrode, the tergite COM electrode schematic diagram after the electrode conversion.

Embodiment

Be described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.

See Fig. 1, the LCD liquid crystal cell comprises anter glass substrate 1, anter glass substrate electrode layer, liquid crystal 3, tergite glass substrate electrode layer, tergite glass substrate 5, frame 7, anter SEG electrode 2 is positioned on anter glass substrate electrode layer, and anter SEG electrode 2 connects outer electrode 6; Tergite COM electrode 4 is positioned on tergite glass substrate electrode layer, is provided with the gold goal 8 that can make the conducting of upper/lower electrode layer in frame 7.

Extraneous static disturbs from essence, to have applied the high pressure of certain energy on the LCD surface that contacts with the external world, caused and formed very high electric potential difference on the LCD liquid crystal cell between bottom crown, and the threshold voltage that overturns higher than liquid crystal molecule far away, thereby cause unnecessary demonstration, to a certain extent the time, destroyed the original arrangement mode of liquid crystal molecule when the voltage height, made LCD be in show state for a long time and do not disappear.

Want to realize not produce unnecessary demonstration when extraneous static disturbs, mainly contain the way of two aspects: 1, making between up and down, the zone two-plate that should not show electric potential difference by certain mode is zero or less than threshold voltage.2, will conduct fast by conductor with the static that the static surface of contact produces.

Electrode layer for anter glass substrate, tergite glass substrate, can copy contact conductor at two electrode layers and form equipotential zone (this zone is generally non-graphics display area), namely copy contact conductor at up and down two electrode layers, and form the next anlistatig generation of equipotential mode by the conductive gold spacer in frame and firing point.For not forming equipotential filling electrode, be displaced to other a slice electrode layer by graphic conversion technology, and should fill electrode and become outer electrode.

The antistatic LCD graphic designs of the present invention technology is resisted extraneous static by frame transfer, equipotential and figure conversion and is disturbed.Described frame shifts and refers to utilize the method for mixing conductive gold spacer in frame adhesive, makes the liquid crystal cell frame have the function that realizes the fluctuating plate electrode conduction.Described equipotential refers to by the conductive gold spacer in frame and firing point conducting, reach equipotential with after mutually copying contact conductor in the inherent anter glass substrate of liquid crystal cell electrode layer, tergite glass substrate electrode layer.The conversion of described figure refers to can not equipotential contact conductor flexible conversion between anter glass substrate electrode layer, tergite glass substrate electrode layer with the figure region, finally make can not equipotential the electrode in zone be arranged in the electrode layer that connects outer electrode 6.

Be described in detail specific embodiments of the invention below in conjunction with accompanying drawing.

1, frame shifts: participate in conductive gold spacer by proportioning in frame adhesive, the mass ratio of frame adhesive and conductive gold spacer designs for 250:4, and explained hereafter processing gets final product routinely.

2, COM electrode equipotential design: as Fig. 1, Fig. 2, shown in Figure 3, tergite COM electrode 4 is arranged on tergite glass substrate electrode layer, and anter SEG electrode 2 is arranged on anter glass substrate electrode layer, connects outer electrode 6.

Before not adopting the technology of the present invention, for the COM contact conductor, due to it on the tergite glass substrate 5 of LCD liquid crystal cell, it is liquid crystal 3 on it, it is anter glass substrate 1 above liquid crystal 3, when plus high-pressure produces, isolated upper surface electrode electrification in high voltage and in time conducting are gone out, and then form very large electric potential difference (several kilovolts) with lower surface COM electrode, high pressure directly is applied on liquid crystal molecule, liquid crystal molecule is distorted owing to being applied in high voltage, can not return to normal for a long time.

for this reason for the COM electrode, Adopts measure of the present invention is: the design filling electrode onesize with the same shape of tergite COM electrode 4 that is positioned at tergite glass substrate electrode layer on the electrode layer of anter glass substrate 1, and this end of filling electrode is guided in frame 7, make this two contact conductor conductings by the conductive gold spacer 8 in frame, like this when static touches COM in LCD upper surface anter glass substrate 1 electrode layer and copies contact conductor, because this contact conductor also is connected with the COM contact conductor of tergite glass substrate 5 electrode layers simultaneously, current potential equates, electromotive force is zero, therefore we apply the liquid crystal molecule torsion that great voltage can not make this reform the sanction, just can not cause unnecessary demonstration yet.

2, SEG electrode equipotential design: see Fig. 1, Fig. 2, Fig. 3, anter SEG electrode 2 contact conductors are positioned on the electrode layer of LCD box anter glass substrate 1 lower surface, the SEG contact conductor is connected with the PCB circuit board, the friendship frequency signal direct effect that the PCB circuit board produces is to anter SEG electrode 2, when extraneous instantaneous high pressure touches the LCD surface, the friendship frequency signal that anter SEG electrode 2 is own, with electrostatic high-pressure neutralization or directly derivation, therefore extraneous high pressure can not be applied on liquid crystal molecule, the liquid crystal distortion that can not be distorted.Therefore the SEG electrode is not done equipotential design, can not cause the distortion of liquid crystal yet.But consider that not adding the filling contact conductor can produce remaining shadow, in order to keep the consistance of integral product appearance color, the present invention also adds same filling contact conductor at the electrode layer of the corresponding tergite glass substrate 5 of the SEG of anter glass substrate 1 contact conductor, and during the SEG that will copy lead-in wire one end guides to frame 7, form equipotential with the SEG contact conductor of anter glass substrate 1 in tergite electrode of substrate layer 5.

3, SEG-COM figure conversion: in Fig. 4, equipotential can be realized in the B zone, but wherein the a-quadrant can't be guided to and carry out equipotential in frame, and this place's cabling is all the COM contact conductor, be in the lower surface of liquid crystal layer, directly contact liquid crystal during the static contact and how aobviously cause, the present invention is directed to the a-quadrant for this reason and pass through the SEG-COM contact conductor at the anter glass substrate, the mode that the electrode layer of tergite glass substrate is exchanged is mutually adjusted to the COM electrode electrode layer of anter glass substrate 1, in Fig. 4, the contact conductor of a-quadrant is arranged in anter glass substrate electrode layer like this, directly connect driving circuit, to Formation of liquid crystals protection, thereby fundamentally solved the unnecessary demonstration that electrostatic interference is brought, as Fig. 3, shown in Figure 6.

Claims (1)

1. antistatic LCD graphic designs technology, the LCD liquid crystal cell comprises anter glass substrate, anter glass substrate electrode layer, liquid crystal, tergite glass substrate electrode layer, tergite glass substrate, frame, anter SEG electrode is positioned on anter glass substrate electrode layer, and anter SEG electrode connects outer electrode; Tergite COM electrode is positioned on tergite glass substrate electrode layer, is provided with the gold goal that can make the conducting of upper/lower electrode layer in frame; Anter glass substrate electrode layer is connected with driving circuit or power supply by wire, and the contact conductor of tergite glass substrate electrode layer is transformed on anter glass substrate electrode layer by the conductive gold spacer in frame and silver point and is connected with external power source, it is characterized in that,

For forming by the conductive gold spacer in frame equipotential zone, copy the contact conductor identical with tergite glass substrate electrode layer on anter glass substrate electrode layer, and make the contact conductor and the original contact conductor conducting of tergite glass substrate electrode layer that copy at the front glass substrate electrode layer form equipotential by the conductive gold spacer in frame; Simultaneously, also copy the lead-in wire identical with anter glass substrate electrode layer on tergite glass substrate electrode layer, and make by the conductive gold spacer in frame that original lead-in wire conducting forms equipotential on lead-in wire that tergite glass substrate electrode layer copies and anter glass substrate electrode layer;

For forming equipotential zone by conductive gold spacer, the contact conductor that this is regional is arranged on anter glass substrate electrode layer correspondence position and connects outer electrode.

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