CN203310876U - Signal loading unit and probe detecting device used for display device - Google Patents

Signal loading unit and probe detecting device used for display device Download PDF

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Publication number
CN203310876U
CN203310876U CN201320386965XU CN201320386965U CN203310876U CN 203310876 U CN203310876 U CN 203310876U CN 201320386965X U CN201320386965X U CN 201320386965XU CN 201320386965 U CN201320386965 U CN 201320386965U CN 203310876 U CN203310876 U CN 203310876U
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China
Prior art keywords
probe
unit
signal
contact
probe combinations
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CN201320386965XU
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Chinese (zh)
Inventor
王念念
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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Priority to CN201320386965XU priority Critical patent/CN203310876U/en
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Abstract

The utility model discloses a signal loading unit and a probe detecting device used for a display device. The signal loading unit includes at least one probe assembly and a probe assembly movable support provided with a plurality of probe bus signal wires. The probe assembly includes a body and a plurality of conducting contacts disposed on a face of the body. The conducting contacts are provided with contact grooves provided with opening departing from the body. The signal loading unit also includes contact blocks limited in the contact grooves and conducting elastic resetting pieces installed between the contact blocks and the conducting contacts. The contact blocks can retract into the contact grooves and can protrude outside the contact grooves partly under elastic forces of the conducting elastic resetting pieces. After the probe assembly is installed on the probe assembly movable support, the face of the body provided with the conducting contacts is opposite to the probe bus signal wires and the contact blocks abut against the signal wires under the elastic forces of the conducting elastic resetting pieces. The signal loading unit is in stable in structure and the contact blocks are not easy to fall off.

Description

The probe detection device of signal loading unit and display device
Technical field
The utility model relates to electrical test technical field, the particularly probe detection device of a kind of signal loading unit and display device.
Background technology
In the testing process of display device, liquid crystal indicator particularly, liquid crystal indicator comprises liquid crystal panel, is the product yield that guarantees liquid crystal indicator, need to electrically test the thin film transistor (TFT) tft array in liquid crystal panel, to detect in tft array whether have electrical defect.
Signal loading unit in the probe detection device adopted at present comprises the probe combinations movable supporting frame, is installed on the probe combinations on the probe combinations movable supporting frame, a plurality of folding copper sheet.Wherein, the one side of probe combinations movable supporting frame has many group probe bus signal lines; Probe combinations has body and be installed on a plurality of hard contacts on body, and a plurality of folding copper sheets are corresponding one by one with a plurality of hard contacts, and each folding copper sheet is installed on corresponding hard contact, and is electrically connected with hard contact.When probe combinations was arranged on the probe combinations movable supporting frame, the hard contact that probe combinations has was relative with the probe bus signal line of probe combinations movable supporting frame, and was electrically connected with corresponding probe bus signal line by folding copper sheet.
In order to improve the stability be electrically connected between hard contact and probe bus signal line, folding copper sheet is folded into diamond structure, and in relative two seamed edges of folding copper sheet, a seamed edge is fixed on the body of probe combinations, the probe bus signal line that another seamed edge is corresponding with this hard contact offsets, so that folding copper sheet has certain elasticity on the direction of the body sensing probe bus signal line of probe combinations.
But due in specific operation process, the specification difference of the probe combinations that the liquid crystal panel of different size is used, often need to use mechanical arm according to the demand of liquid crystal panel, the probe combinations be arranged on the probe combinations movable supporting frame to be dismantled and loaded.In the process that mechanical arm is dismantled or loaded probe combinations, folding copper sheet on probe combinations can and the probe combinations movable supporting frame on the surface of contact of probe bus signal line between produce hard friction, because folding copper sheet only has a seamed edge to be connected with the hard contact of probe combinations, folding copper sheet very easily causes folding copper sheet to come off on the hard contact of probe combinations when the surface of contact with the probe bus signal line rubs, and then cause opening circuit or short circuit of interior circuit, affect the accuracy of testing result.
The utility model content
The utility model provides the probe detection device of a kind of signal loading unit and display device, the Stability Analysis of Structures of this signal loading unit, and the probe detector of display device use this signal loading unit after the testing result accuracy high.
For achieving the above object, the utility model provides following technical scheme:
A kind of signal loading unit of display device probe detection device, comprise at least one probe combinations and the probe combinations movable supporting frame with many probe bus signal lines, but each described probe combinations comprises body and is positioned at a plurality of conductive contacts on described body one side, but each described conductive contact has the contact groove that opening deviates from described body; Described signal loading unit also comprises:
But but be limited in the contact block in described contact groove and be installed on described contact block with described conductive contact between the electrically conductive elastic return unit, but described contact block can be set back in described contact groove and under the elastic force of described electrically conductive elastic return unit, partly lean out described contact groove; When described probe combinations is installed on described probe combinations movable supporting frame, but it is relative with the probe bus signal line on described probe combinations movable supporting frame that described body has the one side of described conductive contact, but and described contact block under the elastic force of described electrically conductive elastic return unit, offset with described probe bus signal line.
Preferably, but described electrically conductive elastic return unit is to be in the metal spring that holds the power state, and an end of described metal spring offsets with the described bottom land that contacts groove, and the other end is connected with described contact block.
Preferably, the one side that described contact block and described probe bus signal line offset is arc convex, and described probe bus signal line is the arc-shaped concave mated with described arc convex towards the one side of described contact block.
Preferably, described contact block is columniform metal column.
Preferably, the width of the opening of described contact groove is less than the diameter of described metal column, and described metal column is limited in described contact groove.
Preferably, described contact block comprises the ball of a plurality of parallel arranged, and opening and described probe bus signal line that each described ball stretches out described contact groove offset, and described metal spring is a plurality of, corresponding one by one with described ball.
Preferably, the face that contacts with each described ball of described probe bus signal line is recessed hemisphere face to deviating from described metal spring one side.
Preferably, the width of the opening of described contact groove is less than the diameter of described ball, and described ball is limited in described contact groove.
Preferably, but each described conductive contact comprises: be fixed in the sheet metal on described body, be positioned at described sheet metal and deviate from the folded metal sheet that described body one side, inside have described contact groove; Described probe combinations also comprises:
Be fixed in one side that described body has sheet metal, have and the described sheet metal fixed head of jack one to one, described pleated sheet is fixed in described jack and offsets with described sheet metal.
Preferably, described contact block is the contact block of tungsten-copper alloy material.
Preferably, also comprise:
Gather the signal gathering unit of described probe combinations and described probe combinations movable supporting frame relative position relation;
When the positional information gathered when described signal gathering unit and precalculated position information are inconsistent, judge that contraposition between this probe combinations and described probe combinations movable supporting frame forbidden and produce the signal processing unit of conditioning signal, be connected with described signal gathering unit signal;
According to described conditioning signal, regulate the performance element of the installation site of probe combinations on the probe combinations movable supporting frame, be connected with the signal processing unit signal.
Preferably, described signal gathering unit is two range sensors that are installed on the body of described probe combinations.
Preferably, described performance element is mechanical arm.
The utility model also provides a kind of probe detection device of display device, and any signal loading unit provided in technique scheme is provided this display device probe detection device.
The signal loading unit of the display device probe detection device that the utility model provides, comprise at least one probe combinations and the probe combinations movable supporting frame with many probe bus signal lines, but each described probe combinations comprises body and is positioned at a plurality of conductive contacts on described body one side, but each described conductive contact has the contact groove that opening deviates from described body; Described signal loading unit also comprises: but but be limited in the contact block in described contact groove and be installed on described contact block with described conductive contact between the electrically conductive elastic return unit, but described contact block can be set back in described contact groove and under the elastic force of described electrically conductive elastic return unit, partly lean out described contact groove; When described probe combinations is installed on described probe combinations movable supporting frame, but it is relative with the probe bus signal line on described probe combinations movable supporting frame that described body has the one side of described conductive contact, but and described contact block under the elastic force of described electrically conductive elastic return unit, offset with described probe bus signal line.
In above-mentioned signal loading unit, but each conductive contact in probe combinations has the contact groove that opening deviates from the probe combinations body, and contact block is limited in the contact groove, and part leans out the contact groove under the elastic force of metal elastic part; When probe combinations is arranged on the probe combinations movable supporting frame, but but can be electrically connected by the electrically conductive elastic return unit between contact block and conductive contact, but and under the elastic force effect of electrically conductive elastic return unit, between contact block and probe bus signal line, offset, realize the electric connection between contact block and probe bus signal line, but finally realize the conductive contact of probe combinations and the electric connection between the probe bus signal line.
Because contact block is limited in the contact groove, but contact block part under the elastic force effect of electrically conductive elastic return unit leans out the contact groove, and contact block can be set back in the contact groove, in disassembly process between probe combinations and probe combinations movable supporting frame, friction between probe bus signal line and contact block is not hard friction, but contact block can bounce back adaptively and lean out under the acting force of the acting force of probe bus signal line and electrically conductive elastic return unit, so that the dismounting of probe combinations, and contact block is limited in the contact groove, therefore, contact block is difficult for coming off from contacting in groove in the disassembly process between probe combinations and probe combinations movable supporting frame.
So, the Stability Analysis of Structures of the signal loading unit that the utility model provides, contact block difficult drop-off.
The utility model provides a kind of display device probe detection device with above-mentioned signal loading unit in addition, and after this display device probe detection device was used this signal loading unit, the testing result accuracy was high.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is signal loading of the prior art unit middle probe combines while being assemblied in the probe combinations movable supporting frame structural representation when but conductive contact is connected with the probe bus signal line;
The structural representation when when the signal loading unit middle probe combination that Fig. 2 provides for the utility model was assembled with the probe combinations movable supporting frame, but conductive contact was connected with the probe bus signal line;
Fig. 3 is the vertical view of structure shown in Figure 2;
Theory structure schematic diagram when the signal loading unit middle probe combination that Fig. 4 provides for the utility model is provided with range sensor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model patent protection.
Please refer to Fig. 2, the signal loading unit of the display device probe detection device that the utility model provides, comprise at least one probe combinations 1 and the probe combinations movable supporting frame 2 with many probe bus signal lines 21, but each probe combinations 1 comprises body 11 and is positioned at a plurality of conductive contacts 12 on body 11 one sides, but each conductive contact 12 has the contact groove 13 that opening deviates from body 11; Also comprise: but but be limited in the contact block 14 in contact groove 13 and be installed on contact block 14 with conductive contact 12 between electrically conductive elastic return unit 15, but contact block 14 can be set back in contact groove 14 and under the elastic force of electrically conductive elastic return unit 15 part lean out and contact groove 13; When probe combinations 1 is installed on probe combinations movable supporting frame 2, but that body 1 has the one side of conductive contact 12 is relative with probe bus signal line 21, but and contact block 14 under the elastic force of electrically conductive elastic return unit 15, offset with probe bus signal line 21.
In above-mentioned signal loading unit, but each conductive contact 12 in probe combinations 1 has the contact groove 13 that opening deviates from the probe combinations body, and contact block 14 is limited in contact groove 13, and part leans out contact groove 13 under the elastic force of metal elastic part 15; When probe combinations 1 is arranged on probe combinations movable supporting frame 2, but but can be electrically connected by electrically conductive elastic return unit 15 between contact block 14 and conductive contact 12, but and under the elastic force effect of electrically conductive elastic return unit 15, between contact block 14 and probe bus signal line 21, offset, realize the electric connection between contact block 14 and probe bus signal line 21, but finally realize the conductive contact 12 of probe combinations 1 and the electric connection between probe bus signal line 21.
Because contact block 14 is limited in contact groove 12, but contact block 14 part under the elastic force effect of electrically conductive elastic return unit 15 leans out contact groove 13, and contact block 14 can be set back in contact groove 12, in disassembly process between probe combinations 1 and probe combinations movable supporting frame 2, friction between probe bus signal line 21 and contact block 14 is not hard friction, but contact block 14 can bounce back adaptively and lean out under the acting force of the acting force of probe bus signal line 21 and electrically conductive elastic return unit 15, so that the dismounting of probe combinations 1, and contact block 14 is limited in contact groove 13, therefore, contact block 14 is difficult for coming off from contacting in groove 13 in the disassembly process between probe combinations 1 and probe combinations movable supporting frame 2.
So, the Stability Analysis of Structures of the signal loading unit that the utility model provides.
In a kind of preferred implementation, but above-mentioned electrically conductive elastic return unit 15 for to be in the metal spring that holds the power state, an end of metal spring offsets with the bottom land that contacts groove 13, the other end is connected with contact block 14.
Please continue to refer to Fig. 1, stability while being electrically connected for improving between contact block 14 and probe bus signal line 21, contact block 14 is arc convex with the one side that probe bus signal line 21 offsets, and probe bus signal line 21 is the arc-shaped concave mated with arc convex towards the one side of contact block 14.
Contact block 14 offsets with probe bus signal line 21 under the elastic force of metal spring, and for face, contact between contact block 14 and probe bus signal line 21, contact stabilization between contact block 14 and probe bus signal line 21 is higher, and then has improved between contact block 14 and probe bus signal line 21 stability while being electrically connected.And, because metal spring has certain deformability, while between contact block 14 and probe bus signal line 21, having the deviation in certain limit during contraposition, the arc convex of contact block 14 can slip into the center of arc-shaped concave along the arc-shaped concave of probe bus signal line 21 under the acting force of metal spring, thereby avoid because contact block 14 is connected unsettled phenomenon with the position deviation between probe bus signal line 21, further improve between contact block 14 and probe bus signal line 21 stability while being electrically connected.
Please refer to Fig. 2 and Fig. 3, Fig. 3 is the vertical view of structure shown in Figure 2.In a kind of preferred implementation, above-mentioned contact block 14 can be columniform metal column.Columniform metal column can realize that it is arc convex towards the face of probe bus signal line 21 that contact block 14 leans out contact groove 13 parts.
When contact block 14 was columniform metal column, in a kind of embodiment, the width of the opening of contact groove 13 was less than the diameter of metal column, and metal column is limited in contact groove 13.
Particularly, the length direction of contact groove 13 openings is parallel with the bearing of trend of the central axis of metal column, Width and the metal spring of the opening of contact groove 13 to release force direction vertical, metal column stretches out the part of contact groove 13 while with above-mentioned probe bus signal line 21, not offseting, and metal spring is against the upper of contact groove 13 by metal column; Said structure can be spacing in contact groove 13 by the contact block 14 with cylindrical metal rod structure.
In another kind of preferred implementation, above-mentioned contact block 14 can comprise the ball of a plurality of parallel arranged, and opening and probe bus signal line 21 that each ball stretches out contact groove 13 offset, and metal spring is a plurality of, corresponding one by one with ball.
Concrete, the face that probe bus signal line 21 contacts with each ball is recessed hemisphere face to deviating from metal spring one side.It is the face contact that said structure can make contacting between each ball and probe bus signal line 21, improves the stability of electric connection between contact block 14 and probe bus signal line 21.
More specifically, the width of the opening of contact groove 13 is less than the diameter of ball, and ball is limited in contact groove 13.Said structure can be realized each ball is limited in contact groove 13.
Please continue to refer to Fig. 2, in a kind of optional embodiment, but each conductive contact 12 comprises: be fixed in the sheet metal 121 on body, be positioned at sheet metal 212 and deviate from the folded metal sheet 122 that body 11 1 sides, inside have contact groove 13; Probe combinations 1 also comprises:
Be fixed in one side that body 1 has sheet metal 121, have and sheet metal 121 fixed head 16 of jack one to one, pleated sheet 122 is fixed in jack and offsets with sheet metal 121.
But the said structure of conductive contact 12 is convenient to contact block 14 is carried out to repair and replacement.
On the basis of above-mentioned each preferred implementation and each embodiment, contact block 14 is the contact block of tungsten-copper alloy material.It is strong that tungsten-copper alloy has advantages of that it has high strength, high conductivity rate, stable performance, friction resistant performance.
In a kind of preferred implementation, while for reducing probe combinations 1, coordinating with probe combinations movable supporting frame 2, cause short circuit or the short circuit phenomenon between probe bus signal line 21 because of the position deviation between contact block 14 and probe bus signal line 21, reduce the probability gone wrong when probe combinations 1 is installed on probe combinations movable supporting frame 2, above-mentioned signal loading unit also comprises:
The signal gathering unit of acquisition probe combination 1 and probe combinations movable supporting frame 2 relative position relations;
When the positional information gathered when signal gathering unit and precalculated position information are inconsistent, judge that contraposition between this probe combinations 1 and probe combinations movable supporting frame 2 forbidden and produce the signal processing unit of conditioning signal, be connected with the signal gathering unit signal;
According to conditioning signal, regulate the performance element of the installation site of probe combinations 1 on probe combinations movable supporting frame 2, be connected with the signal processing unit signal.
Particularly, above-mentioned signal processing unit can be the probe workstation of signal loading unit, and the conditioning signal of generation can comprise distance adjustment signal and direction conditioning signal, the probe workstation receives the positional information of the collection of signal gathering unit and with precalculated position information, compares afterwards, and generate conditioning signal according to positional information and the difference between the information of precalculated position that signal gathering unit gathers, but then by performance element, probe combinations 1 is taken off from probe combinations movable supporting frame 2, then according to the conditioning signal traveling probe, combine the position of removable frame 2, after the position adjustments of probe combinations movable supporting frame 2 is complete, performance element is loaded into probe combinations 1 on probe combinations movable supporting frame 2 again, and by signal gathering unit, signal processing unit judges again between probe combinations 1 and probe combinations movable supporting frame 2, whether contraposition is accurate, repeat unloading and the loading of probe combinations unit, until conditioning signal meets the demands.
More specifically, above-mentioned signal gathering unit is two range sensors that are installed on the body 11 of probe combinations 1.
Specifically please refer to Fig. 4, probe combinations a, probe combinations b and probe combinations c all are installed on probe combinations movable supporting frame 2, probe combinations a is provided with range sensor a1 and range sensor a2, range sensor a1 is for the edge towards range sensor a1 of inducing probes combination movable supporting frame 2 and the distance between range sensor a1, between this edge of judging probe combinations movable supporting frame 2 and range sensor a1, whether to have gap; Range sensor a2 is for the edge towards range sensor a2 of inducing probes combination movable supporting frame 2 and the distance between range sensor a2, between this edge of judging probe combinations movable supporting frame 2 and range sensor a2, whether to have gap.In like manner, probe combinations b is provided with range sensor b1 and range sensor b2; Probe combinations c is provided with range sensor c1 and range sensor c2.
As shown in Figure 4, when between probe combinations a, probe combinations b and probe combinations c and probe combinations movable supporting frame 2, being in shown position, probe combinations a is the normal mounting state, the state that probe combinations b and probe combinations c are and 2 contrapositions of probe combinations movable supporting frame are inaccurate, in range sensor b2 on probe combinations b and probe combinations movable supporting frame 2, there is gap between corresponding edge, between corresponding edge, have gap in the range sensor c1 on probe combinations c and probe combinations movable supporting frame 2; Signal wire 211 is connected with the first passage of probe combinations a, and signal wire 211 is while being connected with probe combinations c, the passage that probe combinations c is connected with signal wire 211 is not the first passage of probe combinations c, be likely second channel or third channel, during 211 pairs of probe combinations c load signal of signal wire, produce the signal confusion phenomena.In like manner, owing between edge corresponding in the range sensor b2 on probe combinations b and probe combinations movable supporting frame 2, having gap, during 211 pairs of probe combinations b load signal of signal wire, also can produce the good confusion phenomena of the heart.Therefore, when between edge corresponding in the probe combinations movable supporting frame 2 of the range sensor on probe combinations 1 induction and its, having gap, signal is transferred to signal processing unit, signal processing unit generates control signal according to this range information apart from sensing units sense, performance element is adjusted according to the control signal probe combinations 1 that contraposition is inaccurate, makes between this probe combinations 1 and probe combinations movable supporting frame 2 contraposition accurate.
More preferably, above-mentioned performance element is mechanical arm.
The utility model also provides a kind of display device probe detection device, and this display device probe detection device comprises any signal loading unit that above-mentioned each embodiment and each preferred implementation provide.After this display device probe detection device was used this signal loading unit, the testing result accuracy was high.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.

Claims (14)

1. the signal loading unit of a display device probe detection device, comprise at least one probe combinations and the probe combinations movable supporting frame with many probe bus signal lines, but each described probe combinations comprises body and is positioned at a plurality of conductive contacts on described body one side, it is characterized in that, but each described conductive contact has the contact groove that opening deviates from described body; Described signal loading unit also comprises:
But but be limited in the contact block in described contact groove and be installed on described contact block with described conductive contact between the electrically conductive elastic return unit, but described contact block can be set back in described contact groove and under the elastic force of described electrically conductive elastic return unit, partly lean out described contact groove; When described probe combinations is installed on described probe combinations movable supporting frame, but it is relative with the probe bus signal line on described probe combinations movable supporting frame that described body has the one side of described conductive contact, but and described contact block under the elastic force of described electrically conductive elastic return unit, offset with described probe bus signal line.
2. signal loading according to claim 1 unit, is characterized in that, but described electrically conductive elastic return unit is to be in the metal spring that holds the power state, and an end of described metal spring offsets with the described bottom land that contacts groove, and the other end is connected with described contact block.
3. signal loading according to claim 2 unit, it is characterized in that, the one side that described contact block and described probe bus signal line offset is arc convex, and described probe bus signal line is the arc-shaped concave mated with described arc convex towards the one side of described contact block.
4. signal loading according to claim 3 unit, is characterized in that, described contact block is columniform metal column.
5. signal loading according to claim 4 unit, is characterized in that, the width of the opening of described contact groove is less than the diameter of described metal column, and described metal column is limited in described contact groove.
6. signal loading according to claim 2 unit, it is characterized in that, described contact block comprises the ball of a plurality of parallel arranged, and opening and described probe bus signal line that each described ball stretches out described contact groove offset, and described metal spring is a plurality of, corresponding one by one with described ball.
7. signal loading according to claim 6 unit, is characterized in that, the face that described probe bus signal line contacts with each described ball is recessed hemisphere face to deviating from described metal spring one side.
8. signal loading according to claim 6 unit, is characterized in that, the width of the opening of described contact groove is less than the diameter of described ball, and described ball is limited in described contact groove.
9. signal loading according to claim 1 unit, it is characterized in that, but each described conductive contact comprises: be fixed in the sheet metal on described body, be positioned at described sheet metal and deviate from the folded metal sheet that described body one side, inside have described contact groove; Described probe combinations also comprises:
Be fixed in one side that described body has sheet metal, have and the described sheet metal fixed head of jack one to one, described pleated sheet is fixed in described jack and offsets with described sheet metal.
10. according to the described signal loading of claim 1~9 any one unit, it is characterized in that, described contact block is the contact block of tungsten-copper alloy material.
11. signal loading according to claim 10 unit, is characterized in that, also comprises:
Gather the signal gathering unit of described probe combinations and described probe combinations movable supporting frame relative position relation;
When the positional information gathered when described signal gathering unit and precalculated position information are inconsistent, judge that contraposition between this probe combinations and described probe combinations movable supporting frame forbidden and produce the signal processing unit of conditioning signal, be connected with described signal gathering unit signal;
According to described conditioning signal, regulate the performance element of the installation site of probe combinations on the probe combinations movable supporting frame, be connected with the signal processing unit signal.
12. signal loading according to claim 11 unit, is characterized in that, described signal gathering unit is two range sensors that are installed on the body of described probe combinations.
13. signal loading according to claim 11 unit, is characterized in that, described performance element is mechanical arm.
14. the probe detection device of a display device, is characterized in that, comprises signal loading as described as claim 1~13 any one unit.
CN201320386965XU 2013-07-01 2013-07-01 Signal loading unit and probe detecting device used for display device Expired - Lifetime CN203310876U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108538208A (en) * 2018-05-31 2018-09-14 京东方科技集团股份有限公司 A kind of Folding display mechanism and Folding display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108538208A (en) * 2018-05-31 2018-09-14 京东方科技集团股份有限公司 A kind of Folding display mechanism and Folding display device

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