CN219590631U - Jig for checking TLCM light leakage - Google Patents

Abstract

The utility model provides a jig for checking TLCM light leakage, which comprises a jig body, wherein the jig body comprises a bearing plate, a product placement position and a detection mechanism, the product placement position and the detection mechanism are both arranged on the upper surface of the bearing plate, the product placement position is used for placing TLCM products, the detection mechanism comprises a telescopic component, a rotating component and a reflecting convex lens, the telescopic component comprises a supporting part and a telescopic part, the supporting part is fixedly connected with the bearing plate, the telescopic part is connected with the supporting part, the telescopic part moves in the axial direction of the supporting part in a telescopic way, the rotating component comprises a spherical part and an elastic part, the spherical part is fixedly connected with the top end of the telescopic part, the elastic part is rotationally connected with the spherical part, the elastic part is fixedly connected with the reflecting convex lens, and the convex surface of the reflecting convex lens faces the product placement position.

Description

Jig for checking TLCM light leakage

Technical Field

The utility model relates to the technical field of liquid crystal display, in particular to a jig for checking TLCM light leakage.

Background

With the development of the age, display screens are used in digital watches and in one type of display for many portable computers, LCD displays use two sheets of polarized material between which is a liquid crystal solution through which current passes to rearrange the crystals so that light cannot pass through them, so that each crystal looks like a shutter, allowing light to pass through but blocking light, LCD displays are currently being developed towards light, thin, short, small targets, display products with a long history in the periphery of the computer, of course.

The display screen needs to be subjected to light leakage test before being used, the existing TLCM product cannot be visually inspected after light leakage is put into the jig, and a commonly adopted inspection method is that personnel need to manually take the product to inspect the hidden danger of light leakage at multiple visual angles, so that the operation efficiency is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a jig for checking TLCM light leakage, which solves the technical problems that in the prior art, TLCM product light leakage cannot be visually checked after being put into the jig, and a commonly adopted checking method is that personnel need to manually take the product to check the hidden trouble of light leakage in multiple visual angles, so that the operation efficiency is affected.

In order to achieve the above object, the present utility model is achieved by the following technical scheme:

the utility model provides a tool of inspection TLCM light leak, includes the tool body, the tool body includes loading board, product place position and detection mechanism, product place position with detection mechanism all locates the upper surface of loading board, the product place position is used for placing the TLCM product, detection mechanism includes telescopic assembly, rotating assembly and reflection of light convex lens, telescopic assembly includes supporting part and telescopic part, supporting part with loading board fixed connection, telescopic part slidingly set up in on the supporting part, so that telescopic part is followed the axis direction concertina movement of supporting part, rotating assembly includes spherical portion and elasticity portion, spherical portion fixed connection in the free end of telescopic part, elasticity portion movably set up in on the spherical portion, so that elasticity portion is followed the surface rotation of spherical portion, reflection of light convex lens set up in elasticity portion is kept away from the one end of spherical portion, reflection of light convex lens's boss face towards the product place position.

Compared with the prior art, the utility model has the beneficial effects that:

the device comprises a carrier plate, a detection mechanism, a TLCM product, a telescopic component, a rotating component, a light reflecting convex lens, a light spot, a light source, a light shielding glue and a light shielding glue, wherein the product placement position and the detection mechanism are arranged on the carrier plate, the TLCM product is placed on the product placement position, the light reflecting convex lens is arranged on the light reflecting convex lens through the light reflecting convex lens on the detection mechanism, a defective pixel is exposed on the light reflecting convex lens, whether light leakage of the TLCM product is caused or not can be checked, meanwhile, the light shielding glue on the side surface of the TLCM product is checked under the condition of not moving the light reflecting convex lens, the contact condition of the light shielding glue and CG on the side surface of the TLCM product is checked, and the position of the light reflecting convex lens is adjusted through the telescopic component and the rotating component.

Further, the inside cavity of telescopic part, telescopic subassembly still includes clamping part, clamping part includes adjust knob, screw rod and supports the casting die, the screw rod runs through the telescopic part, the screw rod be located the one end outside the telescopic part with adjust knob fixed connection, be located the one end in the telescopic part pass through the bearing with support the casting die and be connected, the flexible of screw rod, so that support the casting die with the surface of supporting part closely laminates.

Further, one surface of the pressing piece, which is close to the supporting portion, is recessed inwards to form a containing groove, and the containing groove is used for clamping the supporting portion.

Further, the outer surface of the supporting part is provided with scale marks.

Further, the elastic part comprises a surrounding part and an adjusting nut, the adjusting nut is connected with the surrounding part through threads, and one end, away from the spherical part, of the surrounding part is fixedly connected with the reflecting convex lens.

Further, the enclosing member is hollow, and the diameter of the inner surface is larger than the diameter of the spherical part, so that the spherical part rotates in the enclosing member, the enclosing member is made of elastic materials, and the adjusting nut is fixed with the enclosing member, so that the enclosing member clamps the spherical part.

Further, the elastic part further comprises a clamping piece, the clamping piece is arranged at one end, close to the spherical part, of the enclosing piece, the clamping piece is arranged in a ring shape around the enclosing piece and is bent towards the center to form a bending part, and the diameter of a space formed by enclosing the bending part is smaller than that of the spherical part so as to clamp the spherical part.

Further, the jig body further comprises a plurality of limiting devices, each limiting device comprises a positioning column and a rotating piece, each positioning column is close to the corresponding product placement position, the non-axial center of each rotating piece is connected with each positioning column, and each rotating piece rotates by taking the corresponding positioning column as an axis, so that the corresponding rotating piece rotates to the position above the corresponding product placement position to clamp the TLCM product.

Further, the jig for checking TLCM light leakage further comprises a carrier, the carrier is arranged below the carrier plate and used for carrying the carrier plate, two opposite fixing devices are arranged on two sides of the carrier, the fixing devices are used for clamping the carrier plate, and the two fixing devices slide on the carrier to adjust the relative distance between the two fixing devices.

Further, the jig body further comprises a switching device, and the switching device is connected with an electrifying port in the product placement position.

Drawings

FIG. 1 is a perspective view of a fixture for inspecting TLCM light leakage at a first viewing angle in an embodiment of the present utility model;

FIG. 2 is a perspective view of a fixture for inspecting TLCM light leakage at a second viewing angle in an embodiment of the utility model;

FIG. 3 is an enlarged view of the detection mechanism of FIG. 2;

FIG. 4 is a detail view of the rotating assembly of FIG. 3;

FIG. 5 is a detail view of the telescoping assembly of FIG. 3;

description of main reference numerals:

the utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a jig for inspecting TLCM light leakage in an embodiment of the present utility model is shown, including a jig body 10, the jig body 10 includes a carrier plate 15, a product placement position 11 and a detection mechanism 12, the product placement position 11 and the detection mechanism 12 are both disposed on an upper surface of the carrier plate 15, the product placement position 11 is used for placing TLCM products, the detection mechanism 12 includes a telescopic component 123, a rotating component 122 and a reflective convex lens 121, the telescopic component 123 includes a supporting portion 1236, a telescopic portion 1235 and a clamping portion, the supporting portion 1236 is fixedly connected with the carrier plate 15, the telescopic portion 1235 is connected with the supporting portion 1236, and the telescopic portion 1235 can move telescopically along an axial direction of the supporting portion 1236.

In this embodiment, the telescopic part 1235 is hollow, and the supporting part 1236 is located in the telescopic part 1235.

Further, the clamping portion includes an adjusting knob 1231, a screw rod 1232 and a pressing member 1234, the screw rod 1232 penetrates through the telescopic portion 1235, one end of the screw rod 1232 located outside the telescopic portion 1235 is fixedly connected with the adjusting knob 1231, one end located inside the telescopic portion 1235 is connected with the pressing member 1234 through a bearing 1233, and the screw rod 1232 stretches and contracts to enable the pressing member 1234 to be tightly attached to the outer surface of the supporting portion 1236.

Preferably, a surface of the pressing member 1234 adjacent to the supporting portion 1236 is recessed to form a receiving groove for clamping the supporting portion 1236.

In this embodiment, the radian of the accommodating groove is consistent with the radian of the outer surface of the supporting part 1236, so that the accommodating groove and the supporting part are perfectly attached to each other, and the clamping force is improved.

Preferably, the outer surface of the supporting part 1236 is provided with scale marks 1237.

It can be appreciated that the scale marks 1237 are printed on the supporting portion 1236, the telescopic portion 1235 is sleeved outside the supporting portion 1236 and moves along the outer surface of the supporting portion 1236, and when the preset position is reached, the adjusting knob 1231 is rotated, so that the screw rod 1232 drives the pressing member 1234 to move inwards until the inner surface of the accommodating groove abuts against the outer surface of the supporting portion 1236, so that the telescopic portion 1235 is fixed.

The screw 1232 is connected to the pressing member 1234 through the bearing 1233, so that the rotation of the screw 1232 does not cause the pressing member 1234 to rotate.

Further, the rotating assembly 122 includes a spherical portion 1223 and a tightening portion, the spherical portion 1223 is fixedly connected with the top end of the telescopic portion 1235, the tightening portion is rotatably connected with the spherical portion 1223, the tightening portion is fixedly connected with the reflective convex lens 121, the convex surface of the reflective convex lens 121 faces the product placement position 11, the tightening portion includes a enclosing member 1222 and an adjusting nut 1221, the adjusting nut 1221 is in threaded connection with the enclosing member 1222, one end of the enclosing member 1222 away from the spherical portion 1223 is fixedly connected with the reflective convex lens 121, the enclosing member 1222 is hollow, the diameter of the inner surface is larger than the diameter of the spherical portion 1223, so that the spherical portion 1223 rotates inside the enclosing member 1222, the enclosing member 1222 is made of an elastic material, and the adjusting nut 1221 is fixed with the enclosing member 1222, so that the enclosing member 1222 clamps the spherical portion 1223.

Further, the elastic portion further includes a clamping member 1224, the clamping member 1224 is disposed at an end of the enclosing member 1222 near the spherical portion 1223, the clamping member 1224 is disposed annularly around the enclosing member 1222 and is bent towards the center to form a bending portion, and a diameter of a space enclosed by the bending portion is smaller than a diameter of the spherical portion 1223 so as to clamp the spherical portion 1223.

It will be appreciated that, during installation, the spherical portion 1223 fixed on the telescopic portion 1235 is first inserted into the elastic portion, wherein, since the elastic portion is made of elastic material, and in this embodiment, the diameter of the spherical portion 1223 is only slightly larger than the diameter enclosed by the bending portion, when the spherical portion 1223 enters the enclosing member 1222, the edge of the bending portion will firstly push open, and then the edge of the bending portion will enclose the spherical portion 1223 by elastic resilience, so that the elastic portion will not fall off from the spherical portion 1223;

in this embodiment, the enclosing element 1222 and the clamping element 1224 are formed by a plurality of segments of enclosing sheets, and a gap is left between the enclosing sheets adjacent to the enclosing sheets, so that the rigidity of the elastic portion is reduced by the design structure, and the deformation capability is improved;

the outer surface of the enclosing member 1222 is provided with a thread matching with the inner surface of the adjusting nut 1221, the adjusting nut 1221 is sleeved on the outer surface of the enclosing member 1222, the adjusting nut 1221 is rotated to squeeze the elastic part to deform, and finally the elastic part squeezes the spherical part 1223 to fix the elastic part and the spherical part 1223, so that the reflective convex lens 121 is fixed, and when the direction of the reflective convex lens 121 needs to be adjusted, the adjusting nut 1221 is rotated in the opposite direction to loosen the elastic part, and the elastic part can rotate in multiple angles with the spherical part 1223 as an axis.

Further, the jig body 10 further includes a plurality of limiting devices 13, the limiting devices 13 include positioning columns and rotating pieces, the positioning columns are close to the product placement positions 11, non-axial positions of the rotating pieces are connected with the positioning columns, and the rotating pieces rotate by taking the positioning columns as shafts, so that the rotating pieces rotate to above the product placement positions 11 to clamp TLCM products.

It will be appreciated that after the TLCM product has been placed, the TLCM product is clamped by rotating the rotary blade so that the rotary blade is positioned above the product placement site 11.

Preferably, one TLCM product may be placed beside each of the limiting devices 13 on the product placement position 11, so as to implement simultaneous detection of a plurality of TLCM products.

Further, the jig for inspecting TLCM light leakage further includes a carrier 20, where the carrier 20 is disposed below the carrier 15 and is used for carrying the carrier 15, two fixing devices 30 disposed opposite to each other are disposed on two sides of the carrier 20, the fixing devices 30 are used for clamping the carrier 15, and the two fixing devices 30 slide on the carrier 20 to adjust the relative distance between the two fixing devices 30.

It can be appreciated that the fixing device 30 clamps the carrying plate 15 so that the carrying plate does not shake, and simultaneously slides on the carrying table 20 through the two fixing devices 30 to adapt to jigs with different sizes, thereby improving the utilization rate of products.

Further, the jig body 10 further includes a switch device 14, and the switch device 14 is connected to the power-on port in the product placement position 11.

It will be appreciated that when detecting light leakage of the TLCM product, the TLCM product needs to be energized to emit light, and the reflective convex lens 121 captures a dead spot, so that when the TLCM product is placed in the product placement position 11, the switching circuit of the energizing port needs to be controlled by the switching device 14.

When the TLCM product is used, a plurality of TLCM products are placed at the product placement position 11, the TLCM products are fixed through the limiting device 13, the TLCM products are electrified through the switching device 14 to emit light, then the convex surface of the reflecting convex lens 121 faces the product placement position 11 through the detection mechanism 12, the bad points of the TLCM product backlight are captured to detect whether light leakage exists in the backlight, at the moment, the local diffusivity amplification is realized under the condition that the reflecting convex lens 121 is not moved due to the characteristic of the reflecting convex lens 121, the contact condition of shading glue and CG on the side surface of the TLCM products is detected, if the light leakage phenomenon occurs due to the fact that the shading glue and CG are not firmly attached, the shading glue is exposed on the reflecting convex lens 121, then the reflecting convex lens 121 is rotated through the telescopic component 123 and the rotating component 122, the edges are lifted, so that the bad points of the TLCM product are irradiated, and the full-direction detection of the TLCM product is realized under the condition that the TLCM product is not moved.

In summary, in the jig for inspecting TLCM light leakage in the foregoing embodiment of the present utility model, the product placement position and the detecting mechanism are disposed on the carrier plate, the TLCM product is placed on the product placement position, the light spot appears on the light-reflecting convex lens through the light-reflecting convex lens on the detecting mechanism, the backlight of the TLCM product can be inspected, meanwhile, the advantage of the light-reflecting convex lens is utilized, under the condition that the light-reflecting convex lens is not moved, the local diffusivity amplification is realized, the contact condition of the light-shielding glue on the side surface of the TLCM product and the CG is inspected, and under the condition that the TLCM product is not moved, the position of the light-reflecting convex lens is adjusted through the telescopic component and the rotating component, so that the omnibearing detection of TLCM products is realized, and the requirements of different types of TLCM products can be satisfied.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a tool of inspection TLCM light leak, its characterized in that, includes the tool body, the tool body includes loading board, product place position and detection mechanism, product place position with detection mechanism all locates the upper surface of loading board, product place position is used for placing the TLCM product, detection mechanism includes telescopic subassembly, rotating assembly and reflection of light convex lens, telescopic subassembly includes supporting part and telescopic part, supporting part with loading board fixed connection, telescopic part slidingly set up in on the supporting part, so that telescopic part is followed the axis direction concertina movement of supporting part, rotating assembly includes spherical portion and elasticity portion, spherical portion fixed connection in the free end of telescopic part, elasticity portion movably set up in on the spherical portion, so that elasticity portion is followed the surface rotation of spherical portion, reflection of light convex lens set up in the one end of spherical portion is kept away from to reflection of light convex lens, the protruding face of reflection of light convex lens is towards product place position.

2. The fixture for inspecting TLCM for light leakage according to claim 1, wherein the interior of the telescopic portion is hollow, the telescopic assembly further comprises a clamping portion, the clamping portion comprises an adjusting knob, a screw rod and a pressing member, the screw rod penetrates through the telescopic portion, one end of the screw rod located outside the telescopic portion is fixedly connected with the adjusting knob, one end of the screw rod located inside the telescopic portion is connected with the pressing member through a bearing, and the screw rod stretches and contracts to enable the pressing member to be tightly attached to the outer surface of the supporting portion.

3. The jig for checking TLCM for light leakage according to claim 2, wherein a face of said pressing member adjacent to said supporting portion is recessed inward to form a receiving groove for holding said supporting portion.

4. The fixture for inspecting TLCM for light leakage of claim 1, wherein the outer surface of said support portion is provided with graduation marks.

5. The fixture for inspecting TLCM for light leakage of claim 1, wherein said tightening portion comprises a closing member and an adjusting nut, said adjusting nut is screwed to said closing member, and an end of said closing member remote from said spherical portion is fixedly connected to said reflective convex lens.

6. The fixture for inspecting TLCM for light leakage of claim 5, wherein said enclosure is hollow inside and has an inner surface having a diameter larger than that of said spherical portion so that said spherical portion rotates inside said enclosure, said enclosure is made of an elastic material, said adjusting nut is fixed to said enclosure so that said enclosure clamps said spherical portion.

7. The fixture for inspecting TLCM for light leakage of claim 6, wherein said elastic portion further comprises a clamping member, said clamping member is disposed at an end of said enclosing member adjacent to said spherical portion, said clamping member is disposed annularly around said enclosing member and is bent toward the center to form a bent portion, and a diameter of a space enclosed by said bent portion is smaller than a diameter of said spherical portion to clamp said spherical portion.

8. The fixture for inspecting TLCM for light leakage of claim 1, wherein said fixture body further comprises a plurality of limiting means, said limiting means comprising a positioning post and a rotating plate, said positioning post being disposed adjacent to said product placement location, said rotating plate being connected to said positioning post at a non-axial location thereof, said rotating plate being rotated about said positioning post to rotate said rotating plate above said product placement location to clamp said TLCM product.

9. The jig for inspecting TLCM for light leakage according to claim 1, further comprising a carrier, wherein the carrier is disposed below the carrier and is used for carrying the carrier, two fixing devices disposed opposite to each other are disposed on two sides of the carrier, the fixing devices are used for clamping the carrier, and the two fixing devices slide on the carrier to adjust the relative distance between the two fixing devices.

10. The fixture for inspecting TLCM for light leakage of claim 1, wherein said fixture body further comprises a switch device connected to an energized port in said product placement site.