TW201631322A - A probe pin and assembly for fixing the probe pin - Google Patents

Abstract

Introduced are a fixable probe pin and an assembly for fixing a probe pin. The assembly for fixing a probe pin of the present invention comprises: a probe block on which an insertion protruding part is formed where probe pins are to be placed; and a fixing unit having first and second fixing units. The first fixing unit prevents the probe pins from horizontally moving from the probe block. The second fixing unit prevents the probe pins from vertically moving from the probe block. The first fixing unit comprises a film with an insertion hole into which the insertion protrusion is inserted.

Description

Fixable probe and probe fixing assembly

The present invention relates to a probe fixing assembly for fixing a probe when inspecting a display device and a probe conforming to the probe fixing assembly.

In general, the detecting device includes a plurality of probes that contact the contact pads formed on the display device. Recently, due to the interval between the contact pads of the display device, that is, the pitch is formed to be very narrow, it is The probe is accurately located on the contact pad for a variety of research and development.

If a plurality of probes are densely spaced from each other and cannot be held in a fixed position, they are slightly moved or tilted, and the probes adjacent to each other may be short-circuited with each other or may be out of contact with the display device, and there is a problem that the inspection cannot be accurately performed.

Therefore, when the display device is inspected, it is very important to accurately inspect the display device by fixing the probe so that the probe does not move in the up-down direction and the left-right direction, and the position can be maintained.

[Prior Art Literature]

[Patent Literature]

(Patent Document 1) Korean Patent Publication No. 10-2012-0040484 (2012.04.27)

An object of the present invention is to provide a probe fixing assembly and a fixable probe that prevent the probe from moving in the up-down direction and the left-right direction when inspecting the display device.

A probe fixing assembly of the present invention for achieving the object includes: a probe holder that is placed on one side with a probe that is formed with an insertion protrusion; and a floating prevention portion that includes preventing the probe from being probed from the above a first floating preventing portion in which the needle holder floats in the left-right direction, a second floating preventing portion that prevents the probe from floating upward and downward from the probe holder, and the first floating preventing portion includes an insertion for inserting the insertion projection The film of the hole.

A probe fixing assembly of the present invention for achieving the object includes: a probe holder that is placed on one side to protrude a probe formed with an insertion protrusion; and a floating prevention portion that includes preventing the probe from being probed from the above The first floating preventing portion in which the needle holder floats in the right and left direction, and the first floating preventing portion includes a film on which the insertion hole into which the insertion projection is inserted is formed.

A probe fixing assembly of the present invention for achieving the object includes: a probe including a first horizontal portion formed long in a horizontal direction such that one end can contact a circuit pattern of a display device, and at the first horizontal portion a second horizontal portion formed by extending the other end in the vertical direction, and a second horizontal portion extending at an opposite end of the vertical portion from the first horizontal portion, and a first insertion protrusion formed by the vertical portion An insertion protrusion of the second insertion protrusion formed at the second horizontal portion; a probe holder for placing the probe; and a floating prevention portion including a second element for preventing the probe from floating upward and downward Floating prevention unit.

The present invention is characterized in that a plurality of the probes are provided at predetermined intervals, and a plurality of insertion holes are formed in the film at predetermined intervals.

The probe includes a first horizontal portion that is formed long in the horizontal direction such that one end can contact the circuit pattern of the display device, and a vertical direction at the other end of the first horizontal portion Extending the formed vertical portion, and forming a second horizontal portion extending in a direction opposite to the first horizontal portion at the other end of the vertical portion, the insertion protrusion including a first insertion protrusion formed to protrude in the vertical portion, The second horizontal portion protrudes to form a second insertion protrusion.

The present invention is characterized in that the first insertion projection is formed long in the vertical direction, the second insertion projection is formed long in the horizontal direction, and the insertion hole has a rectangular shape.

The film includes a first film corresponding to the vertical portion and a second film corresponding to the second horizontal portion.

The upper insertion end of the first insertion protrusion is formed with a locking protrusion that can prevent the first film from being separated from the first insertion protrusion.

The present invention is characterized in that the first horizontal portion and the second horizontal portion are elastically deformable.

The present invention is characterized in that an open-loop shape hole for elastically deforming the second horizontal portion is formed in the second horizontal portion.

The present invention is characterized in that the probe includes a first horizontal portion that is formed long in the horizontal direction so that one end can contact the circuit pattern of the display device, and a vertical portion that is extended in the vertical direction at the other end of the first horizontal portion, a second horizontal portion formed to extend in a direction opposite to the first horizontal portion at the other end of the vertical portion, and a first insertion protrusion and a second insertion protrusion are respectively formed on the vertical portion and the second horizontal portion The second floating prevention portion simultaneously contacts the end faces of the first insertion protrusion and the second insertion protrusion to fix the probe.

The probe fixing assembly of the present invention is characterized in further comprising a probe main body, and the second floating preventing portion is fixedly coupled to the probe main body.

The invention is characterized in that the upper ends of the first insertion protrusion and the second insertion protrusion are It is formed flat so that the above-described second floating prevention portion can be in surface contact.

According to still another aspect of the invention, an elastic portion is formed in a portion of the second insertion protrusion that is in surface contact with the second floating prevention portion.

The fixable probe of the present invention which is intended to achieve such a purpose is characterized in that it comprises a first horizontal portion which is formed long in the horizontal direction so that one end can contact the circuit pattern of the display device, and another one of the first horizontal portions a vertical portion formed at one end extending in the vertical direction, and a second horizontal portion extending at a direction opposite to the first horizontal portion at the other end of the vertical portion, and a first portion is formed in the vertical portion and the second horizontal portion The protrusion and the second insertion protrusion are inserted.

The present invention is characterized in that the first insertion projection is formed to be long in the vertical direction, the second insertion projection is formed to be long in the horizontal direction, and a locking projection is formed at an upper end of the first insertion projection.

The present invention is characterized in that an elastic portion is formed in the second insertion protrusion.

The present invention is characterized in that an open-loop shape hole for elastically deforming the second horizontal portion is formed in the second horizontal portion.

The features and advantages of the present invention will become more apparent from the detailed description of the appended claims.

Prior to this, the terms or words used in this specification and the scope of the patent application shall not be interpreted in the usual, dictionary sense, and shall be based on the principle that the inventor may appropriately define the concept of the term in order to best describe his or her own invention. It is interpreted as conforming to the meaning and concept of the technical idea of the present invention.

[Effects of the Invention]

According to the present invention, the following various effects can be achieved.

First, it has the advantage of being able to prevent the probe from floating in the up and down direction and floating in the left and right direction.

Second, the probes are prevented from coming into contact with each other to prevent short circuits, thereby having the advantage of being able to be accurately inspected.

Third, there is an advantage that the deformation of the probe can be prevented.

100‧‧‧ probe

110‧‧‧First level

120‧‧‧Vertical

130‧‧‧Second level

132‧‧‧ hole

140‧‧‧Insert bulge

142‧‧‧First insertion bulge

142a‧‧‧Kingding protrusion

144‧‧‧Second insertion bulge

144a‧‧‧Flexible Department

200‧‧‧ probe holder

210‧‧‧Boss

300‧‧‧Floating Prevention Department

310‧‧‧First Floating Prevention Department

320‧‧‧Second floating prevention department

330‧‧‧film

330a‧‧‧ insertion hole

332‧‧‧First film

334‧‧‧Second film

400‧‧‧ probe body

1 is a view showing a probe fixing assembly of the present invention, FIG. 2 is an enlarged view of a main portion of the present invention, FIG. 3 is a view schematically showing a bonding relationship of the probe fixing assembly of the present invention, and FIG. 4 is a view of the present invention. Fig. 5 is a view showing a state in which a film and a probe are an important part of the probe fixing assembly of the present invention, and Fig. 6 is a view showing a first floating preventing portion which is an important part of the present invention. A diagram of an embodiment.

The objects, specific advantages and novel features of the invention will become more apparent from In the present specification, the reference numerals are given to the constituent elements of the respective drawings, and are limited to the same constituent elements, and even if they are displayed on different drawings, they have the same symbols as much as possible. Further, the terms "first" and "second" may be used to describe various constituent elements, but the above constituent elements are not limited by the above terms. The above terms are only used to distinguish one component from another. In addition, the detailed description of the present invention is omitted when it is judged that the detailed description of the related art may unnecessarily obscure the gist of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIGS. 1 to 3, the probe fixing assembly of the present invention includes a probe holder 200 and a floating preventing portion 300.

The probe 100 is placed on the probe holder 200. The probe holder 200 is formed such that the probe 100 is easily placed and fixed. As an example, a boss 210 may be formed on one side thereof so that the probe 100 can be inserted. The shape of the probe holder 200 can be variously changed as long as the probe 100 can be placed and fixed.

The floating prevention unit 300 functions to prevent the probe 100 from floating in the vertical direction and the horizontal direction from the probe holder 200. Therefore, even when the probe 100 is applied with a force when inspecting the display device, it can be accurately inspected by being fixed at its position.

The floating prevention portion 300 includes a first floating prevention portion 310 and a second floating prevention portion 320.

The first floating prevention portion 310 functions to prevent the probe 100 from floating in the left-right direction. That is, it is possible to prevent the probes 100 adjacent to each other from floating in the left-right direction, thereby preventing short-circuiting between the probes when inspecting the display device, and enabling accurate inspection.

The second floating prevention unit 320 functions to prevent the probe 100 from floating in the up and down direction. That is, if one end of the probe 100 contacts the display device circuit pattern, a force is applied to the probe 100 to float in the up-down direction. If this process is repeated, the probe 100 will be deformed, so the second floating prevention portion 320 makes The probe 100 is fixed in the vertical and horizontal directions to prevent the probe 100 from floating upward and downward, and further, the probe 100 is prevented from being deformed.

The probe fixing assembly of the present invention further includes a probe body 400 to which the second floating preventing portion 320 is fixedly coupled. Second floating prevention placed on the probe body 400 The portion 320 can be fixedly coupled by various fastening means such as screws and bolts.

On the other hand, as shown in FIGS. 3, 5, and 6, an insertion protrusion 140 is formed on one side of the probe 100, and the first floating prevention portion 310 includes a film 330 formed with an insertion hole 330a for inserting a projection. 140 can be inserted.

If the probe 100 is formed with a plurality of spaced apart intervals, the insertion hole 330a formed in the film 330 is also formed in a number corresponding to the probe 100, and the insertion hole 330a preferably has a shape corresponding to the shape of the insertion protrusion 140. The shape is formed.

As shown in FIGS. 3 and 4 , the probe 100 may include a first horizontal portion 110 , a vertical portion 120 , and a second horizontal portion 130 .

The first horizontal portion 110 is formed long in the horizontal direction such that one end thereof can contact the display device circuit pattern, the vertical portion 120 is formed to extend in the vertical direction at the other end of the first horizontal portion 110, and the second horizontal portion 130 is at the vertical portion 120. The other end is formed to extend in the opposite direction to the first horizontal portion 110.

The bottom surface of the first horizontal portion 110 is placed on the probe base 200. One surface of the vertical portion 120 is placed on one side of the probe base 200, and the bottom surface of the second horizontal portion 130 is placed on the bottom surface of the probe base 200. Roughly, the probe holder 200 has an "L"-shaped cross section, and the probe 100 is formed in a structure that can be placed in accordance with the shape of the probe holder 200.

At this time, a slit may be formed in the probe holder 200, and when the slit is formed, the first horizontal portion 110 and the second horizontal portion 130 are inserted into the slit.

The insertion protrusion 140 includes a first insertion protrusion 142 that is convexly formed at the vertical portion 120, and a second insertion protrusion 144 that is formed at the second horizontal portion 130. The film 330 includes an insertion hole 330a formed so that the first insertion protrusion is formed. 142 can be inserted into the first film 332, formed with an insertion The hole 330a is such that the second insertion protrusion 144 can be inserted into the second film 334.

In order to prevent the first film 332 from being separated from the first insertion protrusion 142, it is preferable that a locking protrusion 142a is formed at an upper end of the first insertion protrusion 142. In addition, it is preferable to form the both ends of the first insertion protrusion 142 and the second insertion protrusion 144 obliquely, thereby facilitating the first film 332 and the first insertion protrusion 142, and the second film 334 and the second insertion protrusion. 144 combinations.

In addition, the first insertion protrusion 142 and the second insertion protrusion 144 are preferably formed such that the upper end thereof is flat, so that the second floating prevention portion 320 can be in surface contact, preferably by maximally ensuring a wide contact area. The two floating preventing portions 320 prevent the probe 100 from floating up and down. More preferably, the elastic portion 144a is formed at the second insertion protrusion 144 so that the second insertion protrusion 144 can be prevented from being excessively pressurized by the second floating prevention portion 320 to be damaged.

The second floating prevention portion 320 is fixedly coupled to the probe main body 400 in the vertical and horizontal directions, so that the first insertion protrusion 142 and the second insertion protrusion 144 can firmly contact the second floating prevention portion 320.

When the display device is inspected by the probe 100, one end of the probe 100 contacts the circuit pattern of the display device, and the other end thereof contacts the circuit pattern connected to the inspection control device. The plurality of probes 100 should be in contact with the circuit pattern without fail. In order to abut the contact terminals of the probe 100, it is preferable that the first horizontal portion 110 and the second horizontal portion 130 of the probe 100 are formed to be elastically deformable. In particular, it is preferable to form the open-loop-shaped hole 132 in the second horizontal portion 130 to maximize the elastic force.

In order to compare the effects of the present invention, the inventors measured the contact position error between the prior art and the present invention in which the floating prevention portion 300 was not applied. The contact positions of the probes No. 1 to No. 100 were measured, and the error values were arranged in Table 1 below.

[Table 1]

As shown in Table 1, as a result of the test, when the floating prevention portion 300 was not applied, the average error value was 9.46 μm, and the average error value of the present invention was 4.87 μm. That is, according to the present invention, it is understood that the average error value is reduced to about 1/2 as compared with the prior art.

The present invention has been described in detail by way of specific embodiments. It is to be understood that the present invention is not limited to the fixed probe and probe fixing assembly of the present invention, but may be made by the technical field of the present invention. The technician performs deformation and improvement.

The invention is to be construed as being limited by the scope of the appended claims.

110‧‧‧First level

120‧‧‧Vertical

130‧‧‧Second level

132‧‧‧ hole

142‧‧‧First insertion bulge

142a‧‧‧Kingding protrusion

144‧‧‧Second insertion bulge

144a‧‧‧Flexible Department

200‧‧‧ probe holder

210‧‧‧Boss

300‧‧‧Floating Prevention Department

310‧‧‧First Floating Prevention Department

320‧‧‧Second floating prevention department

330‧‧‧film

332‧‧‧First film

334‧‧‧Second film

Claims (18)

A probe fixing assembly comprising: a probe holder, wherein a probe protrudingly formed with an insertion protrusion is disposed on a side surface; and a floating preventing portion comprising: preventing the probe from floating from the probe holder in a left-right direction a first floating preventing portion that prevents the probe from floating upward and downward from the probe holder, and the first floating preventing portion includes a film on which an insertion hole into which the insertion projection is inserted is formed. A probe fixing assembly comprising: a probe holder, wherein a probe protrudingly formed with an insertion protrusion is disposed on a side surface; and a floating preventing portion comprising: preventing the probe from floating from the probe holder in a left-right direction The first floating prevention portion includes a film formed with an insertion hole into which the insertion protrusion is inserted. The probe fixing unit according to claim 1 or 2, wherein the plurality of the probes are provided at a predetermined interval, and the plurality of insertion holes are formed in the film at a predetermined interval. The probe fixing assembly of claim 3, wherein the probe comprises a first horizontal portion formed in a horizontal direction so that one end can contact the circuit pattern of the display device, and the other end of the first horizontal portion a vertical portion formed to extend in a vertical direction, and a second horizontal portion formed at a distal end of the vertical portion in a direction opposite to the first horizontal portion, The insertion protrusion includes a first insertion protrusion formed to protrude from the vertical portion and a second insertion protrusion formed to protrude at the second horizontal portion. The probe fixing assembly of claim 4, wherein the first insertion projection is formed to be long in the vertical direction, the second insertion projection is formed to be long in the horizontal direction, and the insertion hole has a rectangular shape. The probe fixing assembly of claim 4, wherein the film comprises a first film corresponding to the vertical portion and a second film corresponding to the second horizontal portion. The probe fixing assembly of claim 6, wherein a locking projection capable of preventing separation of the first film from the first insertion projection is formed at an upper end of the first insertion projection. The probe fixing assembly of claim 4, wherein the first horizontal portion and the second horizontal portion are elastically deformable. The probe fixing assembly of claim 8, wherein the second horizontal portion is formed with an open-loop shaped hole that elastically deforms the second horizontal portion. The probe fixing assembly of claim 1 or 2, wherein the probe comprises a first horizontal portion formed in a horizontal direction so that one end can contact a circuit pattern of the display device, and the first horizontal portion is a second horizontal portion formed by extending the other end in the vertical direction and extending at a direction opposite to the first horizontal portion at the other end of the vertical portion, respectively protruding in the vertical portion and the second horizontal portion Have the first insertion bulge and the first The second insertion preventing portion simultaneously contacts the end faces of the first insertion protrusion and the second insertion protrusion to fix the probe. The probe fixing assembly of claim 10, further comprising a probe body, wherein the second floating preventing portion is fixedly coupled to the probe body. The probe fixing assembly of claim 10, wherein the upper ends of the first insertion protrusion and the second insertion protrusion are formed flat so that the second floating prevention portion can be in surface contact. The probe fixing assembly according to claim 12, wherein the second insertion protrusion has an elastic portion formed at a portion in surface contact with the second floating prevention portion. A probe fixing assembly comprising: a probe comprising a first horizontal portion formed in a horizontal direction so that one end can contact a circuit pattern of a display device, and a vertical extension at a other end of the first horizontal portion a vertical portion, a second horizontal portion formed to extend in a direction opposite to the first horizontal portion at the other end of the vertical portion, a first insertion protrusion formed to protrude from the vertical portion, and a convex portion at the second horizontal portion An insertion protrusion of the second insertion protrusion formed; a probe holder for placing the probe; and a floating prevention portion including a second floating prevention portion for preventing the probe from floating upward and downward. A fixable probe comprising a first horizontal portion formed long in a horizontal direction such that one end can contact a circuit pattern of a display device, and hangs at the other end of the first horizontal portion a vertical portion formed in a straight direction, a second horizontal portion formed to extend in a direction opposite to the first horizontal portion at the other end of the vertical portion, and a first insertion convex portion respectively formed in the vertical portion and the second horizontal portion And the second insertion protrusion. The fixable probe according to claim 15, wherein the first insertion protrusion is formed long in a vertical direction, and the second insertion protrusion is formed long in a horizontal direction, in the first insertion protrusion The upper end is convexly formed with a locking protrusion. The fixable probe of claim 16, wherein the second insertion protrusion is formed with an elastic portion. A probe that can be fixed according to the seventeenth aspect of the invention, wherein the second horizontal portion is formed with an open-loop shaped hole that elastically deforms the second horizontal portion.