CN215642131U - Color cast detector for liquid crystal display screen - Google Patents
Color cast detector for liquid crystal display screen Download PDFInfo
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- CN215642131U CN215642131U CN202120953932.3U CN202120953932U CN215642131U CN 215642131 U CN215642131 U CN 215642131U CN 202120953932 U CN202120953932 U CN 202120953932U CN 215642131 U CN215642131 U CN 215642131U
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Abstract
The utility model provides a color cast detector of a liquid crystal display screen, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with two supporting frames, a fixing plate is fixedly connected between the tops of the two supporting frames, the top of the fixing plate is provided with a limiting assembly, the limiting assembly comprises a limiting frame, and the bottom of the limiting frame is slidably connected with the top of the fixing plate. According to the liquid crystal display screen color cast detector provided by the utility model, the liquid crystal display screen needing to detect color cast is convenient to limit through the arrangement of the limiting component, the detection effect is prevented from being reduced due to the fact that the display screen moves forwards and backwards and leftwards and rightwards in the detection process, the quantity of the through holes, the limiting rods, the base plates and the extrusion springs is set to be multiple, the liquid crystal display screen color cast detector is arranged in an array mode, the bottom shapes of the display screens can be matched through the arrangement of the limiting rods, the front and back and left and right movement of the display screens are limited, and the stability of the liquid crystal display screen color cast detector is ensured.
Description
Technical Field
The utility model relates to the field of display screens, in particular to a color cast detector for a liquid crystal display screen.
Background
Liquid crystal displays, which are flat, ultra-thin display devices, consist of a certain number of color or black and white pixels placed in front of a light source or a reflective surface. Liquid crystal displays are very low power consuming and are therefore favored by engineers for use in battery-operated electronic devices. The main principle is that the current stimulates the liquid crystal molecules to generate points, lines and surfaces which are matched with the back lamp tube to form a picture.
Among the correlation technique, liquid crystal display is in the production back, in order to keep the quality of product, need carry out the colour cast to the display screen after the production and detect, when carrying out the colour cast to the display screen and detecting, need fix the display screen to guarantee the stability of detecting time measuring, avoid the phenomenon of error, the fixed mode of current display screen nevertheless adopts the fixed of bolt or connecting rod usually, so that when the display screen takes, too inconvenient, reduced work efficiency.
Therefore, it is necessary to provide a color shift detector for a liquid crystal display panel to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a color cast detector for a liquid crystal display screen, which solves the problem that the display screen is too inconvenient to take due to the fact that a bolt or a connecting rod is adopted for fixing.
In order to solve the above technical problem, the color shift detector of the liquid crystal display provided by the utility model comprises a bottom plate, the top of the bottom plate is fixedly connected with two supporting frames, a fixing plate is fixedly connected between the tops of the two supporting frames, the top of the fixed plate is provided with a limiting assembly, the limiting assembly comprises a limiting frame, the bottom of the limiting frame is connected with the top of the fixed plate in a sliding manner, the top of the limiting frame is provided with a through hole, the inside of the through hole is connected with a limiting rod in a sliding way, the top end of the limiting rod penetrates through the limiting frame and extends to the top of the limiting frame, wherein the bottom end of the limiting rod penetrates through the limiting frame and extends to the inside of the limiting frame, one end of the limiting rod extending into the limiting frame is fixedly connected with a backing plate, and an extrusion spring is arranged between the bottom of the backing plate and the bottom of the inner wall of the limiting frame;
through the setting of spacing subassembly, be convenient for carry on spacingly to the liquid crystal display that needs detect the colour cast, avoid in testing process, control the removal around the display screen, cause the detection effect to descend, and the quantity through-hole, gag lever post, backing plate and extrusion spring all sets up to a plurality ofly, and present the array mode and set up, through the setting of a plurality of gag lever posts, can coincide the bottom shape of display screen, and then carry on spacingly to the all around left and right movements of display screen, guarantee its stability.
Preferably, the top of bottom plate is provided with drive assembly, drive assembly includes U type groove, U type groove is fixed in the top of bottom plate, the bottom sliding connection of the inner wall in U type groove has the drive block, the drive block runs through the fixed plate and extends to the top of fixed plate, the drive block extends to the one end at the top of fixed plate is fixed in the bottom of spacing frame.
Preferably, the driving block is fixedly connected with an operating rod, one end of the operating rod penetrates through the U-shaped groove and extends to the outside of the U-shaped groove, and the operating rod extends to one end of the outside of the U-shaped groove and is fixedly connected with a pull ring.
Preferably, the outer surface of the operating rod is connected with a sleeve in a sliding mode, an elastic extrusion sleeve is arranged on the inner surface of the sleeve, and the sleeve is fixed on the inner wall of the U-shaped groove.
Preferably, a U-shaped frame is fixedly connected between two sides of the top of the bottom plate, a lifting plate is slidably connected between two sides of the inner wall of the U-shaped frame, and an electric telescopic rod is fixedly connected between the top of the lifting plate and the top of the inner wall of the U-shaped frame.
Preferably, the bottom fixedly connected with protection casing of lifter plate, the front of protection casing is provided with the observation glasses.
Preferably, a control panel is arranged at the top of one side of the U-shaped frame.
Compared with the related art, the color cast detector for the liquid crystal display screen provided by the utility model has the following beneficial effects:
the utility model provides a liquid crystal display screen color cast detector, which is convenient for limiting a liquid crystal display screen needing to detect color cast through the arrangement of a limiting component, avoids the reduction of the detection effect caused by the fact that the display screen moves forwards and backwards and leftwards and rightwards in the detection process, is provided with a plurality of through holes, limiting rods, backing plates and extrusion springs in an array mode, can be matched with the bottom shape of the display screen through the arrangement of the limiting rods, further limits the front, back, left and right movement of the display screen, and ensures the stability of the display screen.
Drawings
FIG. 1 is a schematic structural diagram of a color shift detector of an LCD panel according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a perspective view of the structure of the stop frame shown in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
fig. 5 is a schematic structural diagram of the driving assembly shown in fig. 1.
Reference numbers in the figures: 1. a base plate; 2. a support frame; 3. a fixing plate; 4. a limiting component; 41. a limiting frame; 42. a through hole; 43. a limiting rod; 44. a base plate; 45. a compression spring; 5. a drive assembly; 51. a U-shaped groove; 52. a drive block; 53. an operating lever; 54. a pull ring; 55. a sleeve; 6. a U-shaped frame; 7. a lifting plate; 8. an electric telescopic rod; 9. a protective cover; 10. observation glasses; 11. a control panel.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a color shift detector of a liquid crystal display panel according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; FIG. 3 is a perspective view of the structure of the stop frame shown in FIG. 1; FIG. 4 is an enlarged view of a portion of FIG. 1 at B; fig. 5 is a schematic structural diagram of the driving assembly shown in fig. 1. The color cast detector of the liquid crystal display screen comprises a bottom plate 1, two supporting frames 2 are fixedly connected with the top of the bottom plate 1, a fixing plate 3 is fixedly connected between the tops of the two supporting frames 2, the top of the fixed plate 3 is provided with a limiting component 4, the limiting component 4 comprises a limiting frame 41, the bottom of the limiting frame 41 is connected with the top of the fixing plate 3 in a sliding manner, the top of the limiting frame 41 is provided with a through hole 42, a limiting rod 43 is connected inside the through hole 42 in a sliding manner, the top end of the limiting rod 43 penetrates through the limiting frame 41 and extends to the top of the limiting frame 41, wherein the bottom end of the limiting rod 43 penetrates through the limiting frame 41 and extends to the inside of the limiting frame 41, a backing plate 44 is fixedly connected to one end of the limiting rod 43 extending to the inside of the limiting frame 41, an extrusion spring 45 is arranged between the bottom of the backing plate 44 and the bottom of the inner wall of the limiting frame 41;
through the setting of spacing subassembly 4, be convenient for carry on spacingly to the liquid crystal display that needs detect the colour cast, avoid in testing process, remove about the display screen, cause the testing effect to descend, and through-hole 42, gag lever post 43, the quantity of backing plate 44 and extrusion spring 45 all sets up to a plurality ofly, and present the array mode and set up, setting through a plurality of gag lever posts, can coincide the bottom shape of display screen, and then carry on spacingly to the all around left and right movements of display screen, guarantee its stability.
A driving assembly 5 is arranged at the top of the bottom plate 1, the driving assembly 5 comprises a U-shaped groove 51, the U-shaped groove 51 is fixed at the top of the bottom plate 1, a driving block 52 is slidably connected to the bottom of the inner wall of the U-shaped groove 51, the driving block 52 penetrates through the fixing plate 3 and extends to the top of the fixing plate 3, and one end of the driving block 52 extending to the top of the fixing plate 3 is fixed at the bottom of the limiting frame 41;
through the setting of drive assembly 5, the staff of being convenient for drives spacing subassembly 4 seesaw, through the motion around spacing subassembly 4, makes things convenient for the staff to the depositing and taking of display screen, avoids the setting of protection casing 9, influences placing and taking of staff to the display screen.
An operating rod 53 is fixedly connected to the driving block 52, one end of the operating rod 53 penetrates through the U-shaped groove 51 and extends to the outside of the U-shaped groove 51, and a pull ring 54 is fixedly connected to one end of the operating rod 53 extending to the outside of the U-shaped groove 51;
through the pulling around the action bars 53, can drive the fore-and-aft movement of drive block 52, and the motion around the drive block 52 can drive spacing frame 41 fore-and-aft movement, shifts out spacing frame 41 through following the protection casing 9 under, the better placing and taking to the display screen of the staff of being convenient for, through the setting of pull ring 54, the staff of being convenient for is to the control of action bars 53 motion moreover.
The outer surface of the operating rod 53 is connected with a sleeve 55 in a sliding manner, the inner surface of the sleeve 55 is provided with an elastic extrusion sleeve, and the sleeve 55 is fixed on the inner wall of the U-shaped groove 51;
the operating rod 53 is extruded by the elastic extrusion sleeve in the sleeve 55, so that the operating rod is resistant when being pulled, and the stability after being pulled is improved.
A U-shaped frame 6 is fixedly connected between two sides of the top of the bottom plate 1, a lifting plate 7 is slidably connected between two sides of the inner wall of the U-shaped frame 6, and an electric telescopic rod 8 is fixedly connected between the top of the lifting plate 7 and the top of the inner wall of the U-shaped frame 6;
two electric telescopic handle 8 all adopt prior art's electric cylinder, are connected with external power and control switch for drive lifter plate 7 up-and-down motion, and the motion about the lifter plate just can drive 9 up-and-down motion of protection casing, covers the display screen, improves the effect that detects, when out of work moreover, can protect spacing subassembly 4.
The bottom of the lifting plate 7 is fixedly connected with a protective cover 9, and the front of the protective cover 9 is provided with observation glasses 10;
through the setting of protection casing 9, can cover the display surface of display screen for when examining, the staff of being convenient for sees the colour difference condition better through observing glasses 10.
A control panel 11 is arranged at the top of one side of the U-shaped frame 6;
the control panel 11 is arranged for controlling the detector: the opening and closing of the liquid crystal display screen are controlled by pressing the liquid crystal display screen control switch, and a control signal of the control switch is sent to the real-time photosensitive module to control the closing of the real-time photosensitive module; the real-time photosensitive module is used for detecting the contrast brightness of the liquid crystal display screen and the environment in time and sending the contrast brightness to the control module; the control module calculates the contrast brightness to obtain a contrast brightness value, and compares the contrast brightness value with a brightness value preset by the control module; if the contrast brightness value is larger than the brightness value, sending the contrast brightness value to a color mixing module through a color mixing signal, and carrying out brightness reduction processing on the liquid crystal display screen through the color mixing module; if the contrast brightness value is smaller than the brightness value, the color matching signal is sent to the color matching module, and the liquid crystal display screen is brightened through the color matching module.
The working principle of the color cast detector of the liquid crystal display screen provided by the utility model is as follows:
the pull ring 54 is pulled manually, the operation rod 53 can be matched to pull the driving block 52 by pulling the pull ring 54, the driving block 52 can drive the limiting frame 41 to move backwards, the limiting assembly 4 can be moved out of the position under the protective cover 9, and at the moment, a worker can place a display screen to be detected on the limiting assembly 4 and connect the display screen with an external power supply and test end through a lead;
the display screen is placed on the limiting component 4, the display screen is positioned above the limiting component, the limiting rod 43 is extruded through the gravity of the display screen, the limiting rod 43 which is extruded moves downwards, the limiting rod 43 which is not extruded keeps unchanged, the movement of the limiting rod 43 depends on the shape of the bottom of the display screen, and a groove which simulates the shape of the bottom of the display screen can be formed through the composition of a plurality of limiting rods 43, so that the front, back, left and right limiting is formed;
then, the pull ring 54 is manually pushed, and the driving block 52 can be driven to move forward by matching with the operating rod 53, so that the limiting assembly 4 can be driven to move forward, and the limiting assembly 4 drives the display screen to move towards the right lower part of the protective cover 9;
through the start-up of two electric telescopic handle 8, can drive lifter plate 7 up-and-down motion, and the up-and-down motion of lifter plate just can drive 9 up-and-down motion of protection casing, covers the display screen, improves the effect that detects, and when detecting, the staff is through observing the colour difference condition that watches that glasses 10 is better.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A color shift detector for a liquid crystal display panel, comprising a base plate (1), characterized in that: the top of the bottom plate (1) is fixedly connected with two support frames (2), a fixed plate (3) is fixedly connected between the tops of the two support frames (2), a limiting component (4) is arranged at the top of the fixed plate (3), the limiting component (4) comprises a limiting frame (41), the bottom of the limiting frame (41) is connected to the top of the fixed plate (3) in a sliding manner, a through hole (42) is formed in the top of the limiting frame (41), a limiting rod (43) is connected to the inside of the through hole (42) in a sliding manner, the top end of the limiting rod (43) penetrates through the limiting frame (41) and extends to the top of the limiting frame (41), the bottom end of the limiting rod (43) penetrates through the limiting frame (41) and extends to the inside of the limiting frame (41), and the limiting rod (43) extends to one end of the inside of the limiting frame (41) and is fixedly connected with a backing plate (44), and an extrusion spring (45) is arranged between the bottom of the backing plate (44) and the bottom of the inner wall of the limiting frame (41).
2. The color shift detector of claim 1, wherein a driving assembly (5) is disposed on the top of the bottom plate (1), the driving assembly (5) comprises a U-shaped groove (51), the U-shaped groove (51) is fixed on the top of the bottom plate (1), a driving block (52) is slidably connected to the bottom of the inner wall of the U-shaped groove (51), the driving block (52) penetrates through the fixing plate (3) and extends to the top of the fixing plate (3), and one end of the driving block (52) extending to the top of the fixing plate (3) is fixed on the bottom of the limiting frame (41).
3. The color shift detector of claim 2, wherein the driving block (52) is fixedly connected with an operating rod (53), one end of the operating rod (53) penetrates through the U-shaped groove (51) and extends to the outside of the U-shaped groove (51), and one end of the operating rod (53) extending to the outside of the U-shaped groove (51) is fixedly connected with a pull ring (54).
4. A color shift detector for a liquid crystal display according to claim 3, characterized in that a sleeve (55) is slidably connected to an outer surface of the operating rod (53), an elastic pressing sleeve is arranged on an inner surface of the sleeve (55), and the sleeve (55) is fixed to an inner wall of the U-shaped groove (51).
5. The color cast detector of the liquid crystal display screen according to claim 1, characterized in that a U-shaped frame (6) is fixedly connected between two sides of the top of the bottom plate (1), a lifting plate (7) is slidably connected between two sides of the inner wall of the U-shaped frame (6), and an electric telescopic rod (8) is fixedly connected between the top of the lifting plate (7) and the top of the inner wall of the U-shaped frame (6).
6. The color shift detector of claim 5, wherein a protective cover (9) is fixedly connected to the bottom of the lifting plate (7), and viewing glasses (10) are arranged on the front surface of the protective cover (9).
7. A color shift detector for LCD displays according to claim 5, characterized in that the top of one side of the U-shaped frame (6) is provided with a control panel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120953932.3U CN215642131U (en) | 2021-05-07 | 2021-05-07 | Color cast detector for liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120953932.3U CN215642131U (en) | 2021-05-07 | 2021-05-07 | Color cast detector for liquid crystal display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215642131U true CN215642131U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120953932.3U Active CN215642131U (en) | 2021-05-07 | 2021-05-07 | Color cast detector for liquid crystal display screen |
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| Country | Link |
|---|---|
| CN (1) | CN215642131U (en) |
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2021
- 2021-05-07 CN CN202120953932.3U patent/CN215642131U/en active Active
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