CN108132551B - Lighting jig - Google Patents

Abstract

The invention discloses a lighting fixture, which comprises a fixture bottom plate, a fixed plate and a fixture press head, wherein the fixed plate is fixed on the fixture bottom plate; the lighting fixture disclosed by the invention has the lighting and aging test functions and has the advantages of high efficiency and accuracy.

Description

Lighting jig

Technical Field

The invention relates to the technical field of liquid crystal products, in particular to a liquid crystal panel positioning structure of a lighting fixture and the lighting fixture.

Background

In the liquid crystal display industry, after the manufacture of a liquid crystal panel is completed, a lighting test is required. The liquid crystal panel is provided with a flexible circuit board (English: flexible Printed Circuit; abbreviated as FPC) which is electrically connected with the backlight source, and contacts are arranged on the FPC, so that a lighting jig can be used for applying electric signals to the backlight source through the contacts of the FPC so as to light the backlight source.

When the liquid crystal panel is inspected, the liquid crystal panel needs to be fixed on the lighting jig so as to ensure the stability of the lighting process of the liquid crystal panel and prevent the liquid crystal panel from shifting in the process, so that the display of the picture of the liquid crystal panel is abnormal. Thereby affecting the correctness of the detection of the junction.

The existing lighting fixture is inaccurate in placement position of the liquid crystal panels, and is low in efficiency due to the fact that the number of the liquid crystal panels tested each time is small; in addition, the existing lighting fixture cannot provide a heating aging test at the time of lighting test.

Disclosure of Invention

The invention provides a lighting fixture which has the advantages of accurate positioning and high efficiency and also has a heating aging test function.

In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the utility model provides a tool of lighting a lamp, includes the tool bottom plate, fixes fixed plate and the tool pressure head on the tool bottom plate the tool pressure head both ends are provided with rotatory plunger, its characterized in that respectively: the fixing plate is provided with a plurality of liquid crystal panel fixing points, the jig pressing head is provided with a T-shaped pressing head corresponding to the liquid crystal panel fixing points, the lower part of the T-shaped pressing head is provided with an FPC, and the lower part of the FPC is provided with a PCB; the T-shaped pressing head is characterized in that a spring is arranged on the upper portion of the T-shaped pressing head, a spring pressing rod is arranged on the upper portion of the spring, and one end of the spring pressing rod is fixed on the T-shaped pressing head through a bearing.

In the lighting fixture disclosed by the invention, the fixture bottom plate is provided with the transparent quartz plate, and the transparent quartz plate is positioned right below the T-shaped pressure head.

In the lighting fixture disclosed by the invention, a heating blanket is arranged between the fixture bottom plate and the fixing plate.

In the lighting fixture disclosed by the invention, the heat insulation cotton and the heat insulation board are sequentially arranged at the lower part of the heating blanket.

In the lighting fixture disclosed by the invention, five fixing points of the liquid crystal panel are arranged on the fixing plate.

In the lighting fixture disclosed by the invention, a metal handle is arranged between the fixture bottom plate and the fixing plate.

In the lighting fixture disclosed by the invention, a clamping piece is arranged between the fixture pressure head and the T-shaped pressure head.

In the lighting fixture disclosed by the invention, an antistatic adhesive tape is arranged on the lower surface of the T-shaped pressure head.

Compared with the prior art, the invention has the following beneficial effects: 1. the jig pressure head carries out liquid crystal panel lighting test through automatic downward pressure control of equipment, and the tool of lighting a lamp takes the heating function simultaneously, also can carry out heating ageing test when lighting the test, has lighting and ageing test function concurrently.

2. The lighting fixture can test 5 liquid crystal panels at one time, and efficiency is improved.

3. The jig pressure head internally provided with the spring and the spring pressure can be adjusted, the jig pressure head is simple and convenient to disassemble, and enough pressure between the FPC and the product can be realized to finish lap joint, so that the lighting test function is realized.

Drawings

Fig. 1 and 2 are schematic diagrams of the lighting fixture.

Fig. 3 is a front view of the lighting fixture.

Fig. 4 is a plan view of the lighting fixture.

Fig. 5 is a cross-sectional view at A-A.

Fig. 6 is a partial enlarged view of fig. 5.

Fig. 7 and 8 are schematic structural diagrams of the jig indenter.

Fig. 9 is a partial enlarged view of fig. 8.

Fig. 10 is a front view of a jig ram.

Fig. 11 is a bottom view of the jig ram.

Fig. 12 is a cross-sectional view at B-B.

Fig. 13 is a partial enlarged view of fig. 12.

Wherein: 1. a jig bottom plate; 2. a fixing plate; 3. a jig pressure head; 4. a handle; 5. a liquid crystal panel; 6. a PCB; 7. an FPC; 8. rotating the plunger; 9. a spring; 10. a spring compression bar; 21. heating the blanket; 22. thermal insulation cotton; 23. a heat insulating plate; 24. a transparent quartz plate; 25. a T-shaped pressure head; 26. a clamping piece; 27. antistatic adhesive tape; 28. and (3) a bearing.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, 2, 3 and 4, the present invention discloses a lighting fixture, which comprises: the jig comprises a jig bottom plate 1, a fixing plate 2 and a jig pressing head 3, wherein the fixing plate 2 and the jig pressing head 3 are fixed on the jig bottom plate 1, and the jig pressing head 3 is located above the fixing plate 2.

A metal handle 4 is fixed between the fixture base plate 1 and the fixing plate 2, and the lighting fixture can be quickly taken out through the handle 4.

Five fixing points of the liquid crystal panels are arranged on the fixing plate 2, and the lighting fixture can test five liquid crystal panels 5 at one time.

The two ends of the jig pressure head 3 are respectively provided with a rotary plunger 8, and the rotary plungers 8 of the jig pressure head 2 are positioned on the jig bottom plate 1 to realize the functions of quick positioning and quick dismounting.

Referring to fig. 7 and 8, five T-shaped pressing heads 25 corresponding to the fixing points of the five liquid crystal panels on the fixing plate 2 are mounted on the jig pressing head 3, five FPCs 7 are mounted under the T-shaped pressing heads 25, a PCB6 is fixed under the FPCs 7, and the FPCs 7 and the PCBs 6 are lighted by PG through the T-shaped pressing heads 25.

And a clamping piece 26 is arranged between the jig pressure head 3 and the T-shaped pressure head 25, and the clamping piece 26 can limit the position of the T-shaped pressure head 25, so that the jig pressure head 3 and the jig bottom plate 1 can be conveniently and rapidly detached.

Referring to fig. 10, 11, 12 and 13, a spring 9 is mounted on the upper portion of the T-shaped ram 25, a spring pressing rod 10 is mounted on the upper portion of the spring 9, and one end of the spring pressing rod 10 is fixed to the T-shaped ram 25 through a bearing 28. The spring pressing bar 10 is operated manually or by equipment to enable the T-shaped pressing head 25 to move up and down, and meanwhile, the spring 9 can provide proper pressure to enable the T-shaped pressing head 25 to press down with enough pressure to light the liquid crystal panel 5.

Referring to fig. 9, an antistatic adhesive tape 27 is provided on the lower surface of the T-shaped pressing head 25.

Referring to fig. 5 and 6, a transparent quartz plate 24 is disposed on the fixture bottom plate 1, the transparent quartz plate 24 is located under the T-shaped pressing head 25, and a photographing positioning CCD is mounted under the transparent quartz plate 24, so that the liquid crystal panel 5 is photographed and positioned by the transparent quartz plate 24, and the liquid crystal panel 5 can be accurately placed on the fixing plate 2.

A heating blanket 21 is installed between the fixture bottom plate 1 and the fixing plate 2, the heating blanket 21 can perform a heating aging test on the liquid crystal panel 5 during a lighting test, the service life of the liquid crystal panel 5 at a high temperature is detected by heating the fixing plate, and the test temperature is 80-100 degrees.

In order to prevent heat from being diffused to other areas, a heat insulating cotton 22 and a heat insulating board 23 are sequentially provided at the lower portion of the heating blanket 21.

The operation steps of the lighting fixture disclosed by the invention are as follows: the T-shaped pressure head 25 can move upwards by manually or by operating the spring pressure lever 10 through equipment; under CCD positioning, five liquid crystal panels 5 are precisely placed on a fixed plate 2 through other devices; then the spring pressing rod 10 is released, so that the T-shaped pressing head 25 can move downwards, and under the action of the spring 9, the T-shaped pressing head 25 has proper pressure to lighten the liquid crystal panel 5, and the lightening test is carried out; meanwhile, the heating blanket 21 heats and performs an aging test on the liquid crystal panel 5; finally, the spring pressing bar 10 is operated manually or by equipment, so that the T-shaped pressing head 25 can move upwards to take away the liquid crystal panel 5. And the panel lighting and ageing tests can be efficiently and accurately carried out by the cyclic operation.

The invention has the advantages that: 1. the jig pressure head carries out liquid crystal panel lighting test through automatic downward pressure control of equipment, and the jig of lighting simultaneously takes the heating function, also can carry out heating ageing test when lighting test.

2. The lighting fixture can test 5 liquid crystal panels at one time.

3. The jig pressure head internally provided with the spring and the spring pressure can be adjusted, the jig pressure head is simple and convenient to disassemble, and enough pressure between the FPC and the product can be realized to finish lap joint, so that the lighting test function is realized.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

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 invention. 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 is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a tool of lighting a lamp, includes tool bottom plate (1), fixes fixed plate (2) and tool pressure head (3) on tool bottom plate (1) tool pressure head (3) both ends are provided with rotatory plunger (8) respectively, its characterized in that: the fixing plate (2) is provided with a plurality of liquid crystal panel fixing points, the jig pressing head (3) is provided with a T-shaped pressing head (25) corresponding to the liquid crystal panel fixing points, the lower part of the T-shaped pressing head (25) is provided with an FPC (7), and the lower part of the FPC (7) is provided with a PCB (6); the upper part of the T-shaped pressing head (25) is provided with a spring (9), the upper part of the spring (9) is provided with a spring pressing rod (10), one end of the spring pressing rod (10) is fixed on the T-shaped pressing head (25) through a bearing (28), the jig base plate (1) is provided with a transparent quartz plate (24), and the transparent quartz plate (24) is positioned under the T-shaped pressing head (25);

five fixing points of the liquid crystal panel are arranged on the fixing plate (2).

2. Lighting fixture according to claim 1, characterized in that a heating blanket (21) is arranged between the fixture base plate (1) and the fixing plate (2).

3. Lighting fixture according to claim 2, characterized in that a heat insulating cotton (22) and a heat insulating board (23) are arranged in sequence in the lower part of the heating blanket (21).

4. Lighting fixture according to claim 1, characterized in that a metal handle (4) is arranged between the fixture base plate (1) and the fixing plate (2).

5. Lighting fixture according to claim 4, characterized in that a clamping piece (26) is arranged between the fixture ram (3) and the T-ram (25).

6. Lighting fixture according to claim 5, characterized in that an antistatic tape (27) is provided on the lower surface of the T-shaped press head (25).