CN213240724U - Poor tool of detecting of being shaded - Google Patents

Abstract

The utility model discloses a bad tool of detecting is shaded, which comprises a substrate, substrate surface be provided with the mounting groove that is used for holding FPC board in a poor light, the mounting groove in seted up the gas pocket and be connected with the getter device, the base plate still be provided with electrically conductive interface and can be the FPC board power supply in a poor light in the mounting groove, substrate surface can cover the film and by attached in FPC board surface in a poor light behind the getter device effect. And (3) carrying out vacuum state actuation treatment on the backlight FPC board, lighting the contact point of the backlight FPC board and the copper sheet, and displaying the poor effects of backlight foreign matters, bright points and the like under actuation force to realize detection.

Description

Poor tool of detecting of being shaded

Technical Field

The utility model belongs to the technical field of the liquid crystal display technique and specifically relates to a bad tool of detecting is shaded.

Background

The liquid crystal display device generally uses a backlight source, such as a computer, a mobile phone and the like, the liquid crystal display is not luminous, the backlight source behind the assembled display generates uniform plane light, the quality relation of the backlight source displays the effect, and at present, the production cost needs to detect whether the performance of a product is qualified or not and to observe whether the luminescence of the product has defects or not.

At present, in the field of liquid crystal display screen manufacturing, poor backlight cannot be detected in normal operation, and an assembled finished product can be displayed after being pressed. If poor backlight exists, the product needs to be disassembled, and materials and working hours are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a tool is detected to bad being shaded is provided, is vacuum state actuation to the FPC board in a poor light and handles, and FPC and copper sheet contact point are lighted in a poor light, and bad such as foreign matter, bright spot appear under the actuation, realize detecting.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: poor tool of detecting in a poor light, including the base plate, the substrate surface be provided with the mounting groove that is used for holding FPC board in a poor light, the mounting groove in seted up the gas pocket and be connected with the getter device, the base plate still be provided with electrically conductive interface and can supply power for the FPC board in a poor light in the mounting groove, the substrate surface can cover the film and attached in FPC board surface in a poor light after being acted on by the getter device.

The utility model discloses further preferred scheme: the side wall of the mounting groove extends outwards to form a space for accommodating the conductive interface, and the backlight FPC board is arranged in the mounting groove and can be connected with the conductive structure.

The utility model discloses further preferred scheme: the conductive interface is connected with an external power supply through a lead, and a backlight FPC board of the liquid crystal display screen is in contact with the conductive interface to be lightened.

The utility model discloses further preferred scheme: the bottom surface of the mounting groove is regularly provided with a plurality of air holes which are arranged into a plurality of rows and are fully distributed on the bottom surface of the mounting groove.

The utility model discloses further preferred scheme: the air holes are communicated with each other and are connected with the air suction device through the air pipe connector.

The utility model discloses further preferred scheme: a row of gas channels are correspondingly arranged below the row of gas holes, and the plurality of gas channels are communicated with the gas pipe joint.

The utility model discloses further preferred scheme: one side of the substrate is conducted inwards to form an air channel, and the side of the substrate is provided with a plug to seal and isolate the air channel from the outer side of the substrate.

The utility model discloses further preferred scheme: the base plate is made of black bakelite with the thickness of 10 mm.

The utility model discloses further preferred scheme: the mounting groove is a groove with the depth of 3 mm.

Compared with the prior art, the utility model has the advantages of, settle the FPC board in a poor light at the mounting groove, FPC board in a poor light and electrically conductive interface connection realize that the FPC board power supply in a poor light is luminous. And then, the mounting groove is internally provided with an air hole connected with the air suction device, and the surface of the substrate can be covered with a film and attached to the surface of the backlight FPC board after the action of the air suction device. After the air suction device works, the film and the backlight FPC board are in vacuum attraction, and the defects of backlight foreign matters, bright spots and the like are displayed under the attraction force. The utility model provides a bad can't detect in normal operation in a poor light, need assemble the finished product and press the problem that the back could show out, avoided the waste of material, reduced the man-hour of loss.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view of section AA in FIG. 2;

fig. 4 is a schematic view of the internal structure of the present invention.

Wherein the reference numerals are specified as follows: 1. a substrate; 2. mounting grooves; 3. air holes; 4. a conductive interface; 5. a gas pipe joint; 6. an air channel; 7. and (7) a plug.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 4: poor tool of detecting in a poor light, including base plate 1, base plate 1 surface is provided with the mounting groove 2 that is used for holding FPC board in a poor light, has seted up gas pocket 3 in the mounting groove 2 and has connected with the getter device (not specifically drawn in the description attached drawing, this structure adopts the getter device on the market all can), and base plate 1 still is provided with electrically conductive interface 4 and can supplies power for the FPC board in a poor light in mounting groove 2, and base plate 1 surface can cover the film and attached in FPC board surface in a poor light after the getter device effect. The utility model relates to a film can regard as the accessory, is taken by the workman and covers. The film can also be used as a fixing piece, namely, one end part of the film is directly fixed on the substrate 1, and when the film needs to be detected, a worker can directly cover the surface of the mounting groove 2 by pinching the film. Although not specifically shown in the drawings, those skilled in the art can do the present invention according to the text

The side wall of the mounting groove 2 extends outwards to form a space for accommodating the conductive interface 4, and the backlight FPC board is arranged in the mounting groove 2 and can be connected with the conductive structure. Through the space that the 2 lateral walls of mounting groove outwards extend the constitution, place electrically conductive interface 4 to make electrically conductive interface 4 can be smoothly with the FPC board contact connection that is shaded, electrically conductive interface 4 is stuck in base plate 1 in addition, when the cover film detected, electrically conductive interface 4 can not influence the processing of evacuation.

The conductive interface 4 is connected with an external power supply through a lead, and a backlight FPC board of the liquid crystal display screen is in contact with the conductive interface 4 to be lightened. A problem of a defect such as a bright spot can be displayed.

As shown in fig. 2 and 3, a plurality of air holes 3 are regularly arranged on the bottom surface of the mounting groove 2, the utility model discloses further set up the structure of air hole 3, a plurality of air holes 3 are arranged into a plurality of rows and are covered with the bottom surface of the mounting groove 2. The gas pocket 3 of arranging regularly, the production and processing of being convenient for the utility model discloses for switch on each other between a plurality of gas pockets 3, just so can be connected with the getter device through single air pipe connector 5. That is, the operation of the air suction device can drive all the air holes 3 to suck air, and the overall vacuum-pumping treatment of the backlight FPC board is realized.

The utility model discloses further how to machine shaping base plate 1 structure, the utility model discloses set up the correspondence of 3 below in a line gas pocket and be provided with an air channel 6, a plurality of air channel 6 are connected through the air channel 6 that a vertical setting, and the air channel 6 and the 5 intercommunications of air pipe joint of a vertical setting.

As shown in fig. 3, one side of the substrate 1 is conducted inward to form the gas channel 6, so that the gas channel 6 can be successfully processed, and then in order to ensure the air tightness of the gas channel 6 with the outside, the side of the substrate 1 is provided with a plug 7 to hermetically isolate the gas channel 6 from the outside of the substrate 1.

The utility model discloses a preferred structure of base plate 1, base plate 1 adopts 10 mm's black bakelite to make.

The utility model discloses a preferred structure of mounting groove 2, mounting groove 2 is the dark recess of 3 mm.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. Poor tool of detecting is shaded, including base plate (1), its characterized in that base plate (1) surface be provided with mounting groove (2) that are used for holding FPC board is shaded, mounting groove (2) in seted up gas pocket (3) and be connected with the getter device, base plate (1) still be provided with electrically conductive interface (4) and can supply power for the FPC board that is shaded in mounting groove (2), base plate (1) surface can cover the film and attached in FPC board surface is shaded after the getter device effect.

2. The backlight failure detection jig according to claim 1, wherein the side wall of the mounting groove (2) extends outward to form a space for accommodating the conductive interface (4), and the backlight FPC board is mounted in the mounting groove (2) and can be connected to the conductive structure.

3. The backlight failure detection jig according to claim 1, wherein the conductive interface (4) is connected to an external power source through a wire, and a backlight FPC board of the liquid crystal display is in contact with the conductive interface (4) to be lighted.

4. The backlight failure detection jig according to claim 1, wherein the bottom surface of the mounting groove (2) is regularly provided with a plurality of air holes (3), and the plurality of air holes (3) are arranged in a plurality of rows and fully distributed on the bottom surface of the mounting groove (2).

5. The backlight failure detection jig according to claim 4, wherein the plurality of air holes (3) are communicated with each other and connected to the suction device through the air pipe connector (5).

6. The backlight failure detection jig according to claim 5, wherein a row of air passages (6) is correspondingly arranged below the row of air holes (3), and the plurality of air passages (6) are all communicated with the air pipe connector (5).

7. The backlight defect detecting device according to claim 6, wherein a side of the substrate (1) is inwardly connected to form the air channel (6), and a plug (7) is disposed on the side of the substrate (1) to seal and isolate the air channel (6) from the outside of the substrate (1).

8. The backlight defect detecting jig according to claim 1, characterized in that the substrate (1) is made of 10mm black bakelite.

9. The backlight failure detection jig according to claim 1, wherein the mounting groove (2) is a groove with a depth of 3 mm.

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