CN217317713U - Backlight source adsorption light-emitting jig - Google Patents

Abstract

The utility model provides a backlight adsorbs luminous tool, which comprises a base, set up the assembly groove that is used for the holding backlight product that awaits measuring on the base, laid on the inner wall of assembly groove with the air discharge duct that the assembly groove communicates mutually, seted up in the base with the exhaust hole that the air discharge duct is linked together, base one side be equipped with the interface of bleeding that the exhaust hole is linked together. The utility model discloses an air adsorption mode makes each layer membrane material of backlight can compact together to more can directly perceivedly obviously see out that the recessive outward appearance such as foreign matter, bright spot, the local deformation of product that exist of backlight itself is bad when detecting, finally detect the appearance quality assurance of management and control backlight itself from the source.

Description

Backlight source adsorption light-emitting jig

Technical Field

The utility model relates to a LED backlight technical field particularly, relates to backlight adsorbs luminous tool.

Background

The liquid crystal display device includes a liquid crystal display panel and a backlight disposed on the rear surface of the liquid crystal display panel. The backlight source has the characteristics of high brightness, long service life, uniform light emission and the like, and is widely applied at present, so the quality requirements of various manufacturers on the backlight source are gradually improved. The quality of the appearance of the backlight source determines the quality of the product and the process yield to a certain extent, and controlling and detecting the quality of the appearance of the backlight source is an important quality monitoring means in the backlight industry. Generally, in the traditional appearance detection, a backlight source is lightened, and whether the appearance of a product is bad is judged by human eyes directly, so that the problems of some inherent tiny foreign matter sources of the product, such as chips, dust, film material peaks, slight local deformation of the product and the like are generally difficult to detect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-emitting tool is adsorbed to backlight adopts the air adsorption mode, makes each layer membrane material of backlight can compact together to more can directly perceivedly obviously see that the hidden outward appearance such as foreign matter, bright spot, the local deformation of product that exist of backlight itself is bad when examining, finally detect the appearance quality assurance of management and control backlight itself from the source.

The utility model provides a backlight adsorbs luminous tool, which comprises a base, set up the assembly groove that is used for the holding backlight product that awaits measuring on the base, laid on the inner wall of assembly groove with the air discharge duct that the assembly groove communicates mutually, seted up in the base with the exhaust hole that the air discharge duct is linked together, base one side be equipped with the interface of bleeding that the exhaust hole is linked together.

Compared with the prior art, the utility model discloses a mode of establishing the air discharge duct at the backlight assembled slot, adopt the air adsorption mode to make each layer membrane material of backlight can compact together to more can directly perceivedly obviously see that the stealthy outward appearance such as foreign matter, bright spot, the local deformation of product that exists of backlight itself is bad when detecting, improve the backlight defective rate and examine out, promote the whole yield output of module back end, finally follow the apparent quality assurance that detects management and control backlight itself in the source.

Furthermore, the exhaust groove comprises a rectangular groove and a strip-shaped groove which are communicated with each other, the long edge of the groove bottom of the rectangular groove is arranged along the long edge direction of the groove bottom of the assembly groove, the short edge of the groove bottom of the rectangular groove is arranged along the short edge direction of the groove bottom of the assembly groove, and the area formed by the enclosed combination of the long edge of the groove bottom and the short edge of the groove bottom of the rectangular groove is smaller than the bottom area of the assembly groove; the bar groove is laid the periphery of rectangular channel, just the tank bottom length direction perpendicular to of bar groove the long limit of tank bottom or tank bottom minor face of rectangular channel. The notch pipeline through to the air discharge duct is laid and is designed for the air discharge duct equipartition is below the assembly groove, thereby after starting to bleed, the adsorption capacity can the homogeneous action at the backlight back, finally makes each layer membrane material of backlight can be compact together uniformly, so that more directly perceivedly find out the bad problem of outward appearance when detecting, improves the defective rate of backlight and detects.

Furthermore, the number of the strip-shaped grooves distributed along the long edge direction of the groove bottom of the rectangular groove is 8, and the 8 strip-shaped grooves are uniformly distributed on two sides of the rectangular groove. The strip-shaped grooves are arranged at the periphery of the long edge of the bottom of the rectangular groove and between the assembly grooves, so that air suction adsorption force can better and more uniformly act on the back of the backlight source, finally, each layer of film material of the backlight source can be uniformly compact together, the poor appearance problem can be more visually seen during detection, and the reject ratio of the backlight source is improved.

Furthermore, the number of the strip-shaped grooves is 4 along the direction of the short side of the groove bottom of the rectangular groove, and 2 strip-shaped grooves are arranged at the short side of each groove bottom of the rectangular groove. Lay the bar groove through the position between rectangular channel tank bottom minor face periphery and assembly groove for the adsorption affinity of bleeding acts on the backlight back better more evenly, finally makes each membrane material of backlight compact together uniformly, so that more directly perceivedly find out the bad problem of outward appearance during the detection, the defective rate that improves the backlight detects.

Furthermore, one end of the strip-shaped groove extends to the side wall of the assembling groove. Thus, the exhaust groove can firmly surround the assembly groove, the suction force of the exhaust air can firmly act on the backlight source, and then the backlight source is sucked, and the backlight source is prevented from shifting.

Drawings

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

fig. 2 is a side view of the overall structure of the present invention.

Description of reference numerals:

1. a base; 2. assembling the groove; 3. an exhaust groove; 3.1, a rectangular groove; 3.2, a strip-shaped groove; 4. an exhaust hole; 5. an air exhaust interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model discloses a backlight adsorbs luminous tool, including base 1, offer the assembly groove 2 that is used for the holding backlight product that awaits measuring on the base 1, laid the air discharge duct 3 that is linked together with assembly groove 2 on the inner wall of assembly groove 2, seted up the exhaust hole 4 that is linked together with air discharge duct 3 in the base 1, base 1 one side is equipped with the interface 5 of bleeding that is linked together with exhaust hole 4.

The utility model discloses a lay the mode of air discharge duct 3 in backlight assembled slot 2, adopt the air adsorption mode to make each layer membrane material of backlight can compact together to more can directly perceivedly obviously see out that the hidden outward appearance such as foreign matter, bright spot, the local deformation of product that exists of backlight itself is bad when detecting, improve the backlight defective rate and examine out, promote the whole yield output of module back end, finally detect the outward appearance quality assurance of management and control backlight itself from the source.

The specific structure is as follows: the exhaust groove 3 comprises a rectangular groove 3.1 and a strip-shaped groove 3.2 which are communicated with each other, the long edge of the groove bottom of the rectangular groove 3.1 is arranged along the long edge direction of the groove bottom of the assembly groove 2, the short edge of the groove bottom of the rectangular groove 3.1 is arranged along the short edge direction of the groove bottom of the assembly groove 2, and the area formed by the enclosed long edge of the groove bottom of the rectangular groove 3.1 and the short edge of the groove bottom is smaller than the bottom area of the assembly groove 2; the strip-shaped groove 3.2 is arranged at the periphery of the rectangular groove 3.1, and the length direction of the groove bottom of the strip-shaped groove 3.2 is vertical to the long edge or the short edge of the groove bottom of the rectangular groove 3.1. The design is carried out through the notch pipeline to exhaust duct 3 to the below of exhaust duct 3 equipartition in assembly groove 2, thereby after starting to bleed, the adsorption efficiency can the homogeneous action at the backlight back, finally makes each layer membrane material of backlight can compact together uniformly, so that more directly perceivedly find out the bad problem of outward appearance when detecting, improves the defective rate of backlight and detects.

The quantity of the strip-shaped grooves 3.2 arranged along the long side direction of the groove bottom of the rectangular groove 3.1 is 8, and the 8 strip-shaped grooves 3.2 are uniformly distributed on two sides of the rectangular groove 3.1. That is to say, the outside on two long limits of rectangular channel 3.1 all is provided with 4 bar grooves 3.2, and parallel arrangement between 4 bar grooves 3.2, and the long limit of the tank bottom of bar groove 3.2 perpendicular to rectangular channel 3.1's the long limit of tank bottom, lay bar groove 3.2 through the position between rectangular channel 3.1 long limit periphery and assembly tray 2, make the adsorption affinity of bleeding act on the backlight back better more evenly, finally make each layer membrane material of backlight compact together uniformly, so that more directly perceived when detecting sees the bad problem of outward appearance, the defective rate that improves the backlight detects.

The quantity of the strip-shaped grooves 3.2 arranged along the short side direction of the groove bottom of the rectangular groove 3.1 is 4, and each short side position of the groove bottom of the rectangular groove 3.1 is provided with 2 strip-shaped grooves 3.2. Because one of the groove bottom short sides of the assembling groove 2 is provided with the FPC dodging groove, the arrangement of the two strip-shaped grooves 3.2 at the position is asymmetrical to the arrangement of the two strip-shaped grooves 3.2 at the opposite sides of the groove bottom short sides of the rectangular grooves 3.1. The strip-shaped grooves 3.2 are arranged at the periphery of the short edges of the bottom of the rectangular groove 3.1 and between the assembling grooves 2, so that the air suction adsorption force can better and more uniformly act on the back of the backlight source, finally, each layer of film material of the backlight source can be uniformly compact together, the poor appearance problem can be more visually seen during detection, and the poor quality rate of the backlight source is improved.

Also, one end of the strip groove 3.2 extends to the side wall of the fitting groove 2. Thus, the exhaust groove 3 can firmly surround the mounting groove 2, and the suction force of the exhaust air can firmly act on the backlight to suck the backlight, thereby preventing the backlight from shifting.

In this embodiment, the air extracting interface 5 is externally connected with an air extracting pump. The air pumping is realized through the air pump, and the device is simple and convenient.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear, inner and outer … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (5)

1. The utility model provides a backlight adsorbs luminous tool, includes base (1), its characterized in that: the backlight source device is characterized in that an assembly groove (2) used for containing a backlight source product to be tested is formed in the base (1), an exhaust groove (3) communicated with the assembly groove (2) is arranged on the inner wall of the assembly groove (2), an exhaust hole (4) communicated with the exhaust groove (3) is formed in the base (1), and an air exhaust interface (5) communicated with the exhaust hole (4) is formed in one side of the base (1).

2. The backlight source adsorption lighting fixture of claim 1, wherein: the exhaust groove (3) comprises a rectangular groove (3.1) and a strip-shaped groove (3.2) which are communicated with each other, the long edge of the groove bottom of the rectangular groove (3.1) is arranged along the long edge direction of the groove bottom of the assembly groove (2), the short edge of the groove bottom of the rectangular groove (3.1) is arranged along the short edge direction of the groove bottom of the assembly groove (2), and the area formed by the enclosed long edge of the groove bottom and the short edge of the groove bottom of the rectangular groove (3.1) is smaller than the bottom area of the assembly groove (2); the bar groove (3.2) is arranged at the periphery of the rectangular groove (3.1), and the groove bottom length direction of the bar groove (3.2) is perpendicular to the long edges or the short edges of the groove bottom of the rectangular groove (3.1).

3. The backlight source adsorption light-emitting jig according to claim 2, characterized in that: the number of the strip-shaped grooves (3.2) arranged along the long side direction of the groove bottom of the rectangular groove (3.1) is 8, and the strip-shaped grooves (3.2) are uniformly distributed on two sides of the rectangular groove (3.1).

4. The backlight source absorption lighting fixture according to claim 3, wherein: the edge the tank bottom minor face direction of rectangular channel (3.1) is laid the quantity of bar groove (3.2) is 4, just each tank bottom minor face department of rectangular channel (3.1) lays 2 bar grooves (3.2).

5. The backlight source absorption lighting fixture according to claim 4, wherein: one end of the strip-shaped groove (3.2) extends to the side wall of the assembling groove (2).

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