CN115793299A - Device and method for detecting brightness uniformity of touch TFT display screen - Google Patents
Device and method for detecting brightness uniformity of touch TFT display screen Download PDFInfo
- Publication number
- CN115793299A CN115793299A CN202310063723.5A CN202310063723A CN115793299A CN 115793299 A CN115793299 A CN 115793299A CN 202310063723 A CN202310063723 A CN 202310063723A CN 115793299 A CN115793299 A CN 115793299A
- Authority
- CN
- China
- Prior art keywords
- display screen
- frame
- cylinder
- tft display
- touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to the technical field of TFT (thin film transistor) display screens, in particular to a device and a method for detecting the brightness uniformity of a touch TFT display screen. The invention provides a device for detecting the brightness uniformity of a touch TFT display screen, which comprises a conveyor, a control panel, a detection host, a photoelectric sensor, a detection mechanism and the like, wherein the control panel is installed on the conveyor, the detection host for detecting the brightness uniformity of the touch TFT display screen is installed on the conveyor, the photoelectric sensor is installed on the conveyor, and the detection mechanism is used for detecting the brightness uniformity of the touch TFT display screen. According to the invention, the light shield and the butt plate are driven to move downwards by the electric push rod, so that the display screen flat cable is contacted with the butt plate, the touch TFT display screen is lightened, the display screen flat cable does not need to be connected manually, the working efficiency is improved, then the brightness uniformity of the touch TFT display screen can be detected by the photosensitive sensor, meanwhile, the light shield can block external light, and the accuracy of a detection result is improved.
Description
Technical Field
The invention relates to the technical field of TFT (thin film transistor) display screens, in particular to a device and a method for detecting the brightness uniformity of a touch TFT display screen.
Background
The TFT display screen is a thin film transistor type liquid crystal display screen, screen information can be displayed at high speed, high brightness and high contrast, the brightness uniformity of the TFT display screen is an important index for judging the quality of the TFT display screen, if the brightness of the TFT display screen is not uniform, the TFT display screen has large light and shade difference, and people can feel eyestrain, so that the brightness uniformity of the TFT display screen is generally required to be detected in the production test process of the brightness of the display screen.
At present, when the luminance degree of consistency to the TFT display screen detects, generally need the winding displacement of manual connection TFT display screen earlier, make the TFT display screen light, the process of connecting the winding displacement is comparatively troublesome, then still need manual detection device that uses to detect the luminance at each position of TFT display screen in proper order, lead to needing to carry out luminance detection work many times, influence work efficiency, secondly, the detection site receives the influence of exogenous light easily, lead to appearing the error, influence the accuracy of testing result.
Disclosure of Invention
The invention aims to overcome the defects that when the brightness uniformity of a TFT (thin film transistor) display screen is detected, the flat cable of the TFT display screen needs to be manually connected and the brightness detection work needs to be carried out for multiple times, so that the working efficiency is influenced, the detection part is easily influenced by external light, and the accuracy of the detection result is influenced.
The technical scheme of the invention is as follows:
the utility model provides a touch-control TFT display screen luminance degree of consistency detection device, which comprises a conveyor, a control panel, detect the host computer, photoelectric sensor, elevating system, detection mechanism and docking mechanism, install control panel on the conveyer, the conveyer passes through electric connection with control panel, install the detection host computer on the conveyer, it passes through electric connection with control panel to detect the host computer, install photoelectric sensor on the conveyer, photoelectric sensor passes through electric connection with control panel, photoelectric sensor comprises sender and receiver, sender and receiver front and back symmetry are installed on the conveyer, be equipped with elevating system on the conveyer, detection mechanism is used for detecting the luminance degree of consistency of touch-control TFT display screen, the last docking mechanism that is equipped with of elevating system.
Preferably, the lifting mechanism comprises a support frame, an electric push rod and a lifting frame, the support frame is connected to the conveyor, the electric push rod is connected to the support frame, the lifting frame is connected to the support frame in a sliding mode, and a telescopic rod of the electric push rod is connected with the lifting frame.
As preferred, detection mechanism is including first connecting plate, the connecting rod, the lens hood, first spring and photosensitive sensor, be connected with first connecting plate on the crane, array arrangement is connected with a plurality of connecting rod on the first connecting plate, all install the photosensitive sensor who is used for detecting touch-control TFT display screen luminance on the connecting rod, photosensitive sensor all passes through electric connection with the detection host computer, all slidingtype connection has the lens hood that is used for sheltering from external source light on the connecting rod, the lens hood all can contact with touch-control TFT display screen down the motion, all be connected with first spring between lens hood and the first connecting plate.
Preferably, the docking mechanism comprises a connecting frame, a connecting cylinder, a sliding rod, a second spring and a docking plate, the connecting frame is connected to the lifting frame, the connecting cylinder is connected to the connecting frame, the sliding rod is connected to the connecting cylinder in a sliding mode, the second spring is connected between the sliding rod and the connecting cylinder, the docking plate used for docking the display screen flat cable is connected to the sliding rod, and the docking plate moves downwards and can contact with the display screen flat cable.
Preferably, the touch control TFT display screen further comprises a limiting mechanism, the limiting mechanism comprises a positioning frame and third springs, the lifting frame is connected with the positioning frame used for positioning the touch control TFT display screen in a sliding mode, and four third springs are connected between the positioning frame and the lifting frame at intervals.
Preferably, the display screen flat cable pressing device further comprises a pressing mechanism, the pressing mechanism comprises a fixing rod and a first elastic piece, the fixing rod is connected to the butt joint plate, the fixing rod is connected with the first elastic piece used for pressing the display screen flat cable, and the first elastic piece moves downwards and can be in contact with the display screen flat cable.
Preferably, the display screen flattening mechanism further comprises a flattening mechanism, the flattening mechanism comprises a second connecting plate, a rotating plate, a second elastic piece and a roller, the rear side of the bottom of the connecting frame is connected with the second connecting plate, the lower end of the second connecting plate is rotatably connected with the rotating plate, the second elastic piece is connected between the rotating plate and the second connecting plate, the lower portion of the rotating plate is rotatably connected with the roller, and the roller moves downwards to be in contact with a display screen flat cable.
Preferably, the hydraulic control system further comprises an adjusting mechanism, the adjusting mechanism comprises a first piston rod, a first oil cylinder, a connecting pipe, a sliding frame, a fourth spring, a second oil cylinder, a limiting frame, a pressure relief cylinder, a second piston rod and a fifth spring, the first piston rod is connected to the lower portion of the front side of the connecting cylinder, the first oil cylinder is connected to the middle of the sliding rod, the first piston rod is connected with the first oil cylinder in a sliding mode, the bottom end of the first piston rod is in sealing contact with the first oil cylinder, the connecting pipe is communicated with the lower portion of the first oil cylinder in a bilateral symmetry mode, the sliding rod is connected with the sliding frame in a sliding mode, the fourth spring is connected between the sliding frame and the butt plate and wound on the outer side of the sliding rod, the second oil cylinder is connected to the sliding frame in a bilateral symmetry mode, one end, far away from the first oil cylinder, of the connecting pipe is communicated with the top of the adjacent second oil cylinder, the limiting frame is connected with the limiting frame in a sliding mode on one side, the limiting frame moves downwards to be in contact with the conveyor, the limiting frame is in a sliding mode, the piston rod is in contact with the butt plate, the piston rod and the piston rod, the piston rod are connected with the second oil cylinder in a sealing contact with the fifth spring.
The invention also provides a method for detecting the brightness uniformity of the touch TFT display screen, which comprises the following steps: carry the touch-control TFT display screen to turn right through control panel control conveyer, rethread photoelectric sensor can make the touch-control TFT display screen move to the first connecting plate under, then through control panel control electric putter drive photosensitive sensor, lens hood and butt joint board move down, make butt joint board and display screen winding displacement contact, thereby make the circular telegram of touch-control TFT display screen light, the lens hood can contact with the touch-control TFT display screen, rethread photosensitive sensor can detect the degree of brightness uniformity of touch-control TFT display screen with the cooperation that detects the host computer, it can show the operation result through control panel to detect the host computer.
The invention has the beneficial effects that:
1. according to the invention, the light shield and the butt plate are driven to move downwards by the electric push rod, so that the display screen flat cable is contacted with the butt plate, the touch TFT display screen is lightened, the display screen flat cable does not need to be connected manually, the working efficiency is improved, then the brightness uniformity of the touch TFT display screen can be detected by the photosensitive sensor, meanwhile, the light shield can block external light, and the accuracy of a detection result is improved.
2. The positioning frame can position the touch TFT display screen, prevents the position of the touch TFT display screen from deviating, can further block external light, and improves the accuracy of a detection result.
3. According to the invention, the first piston rod can extrude hydraulic oil in the first oil cylinder, so that the hydraulic oil extrudes the limiting frame to move towards one side close to each other, the limiting frame can push the display screen flat cable to move to a position right below the butt joint plate, and the display screen flat cable is accurately aligned with the butt joint plate, so that the position of the display screen flat cable can be finely adjusted, and the deviation of the position of the display screen flat cable is prevented.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the conveyor, the control panel, the detection host and the photoelectric sensor according to the present invention.
Fig. 3 is a schematic perspective view of the lifting mechanism and the detecting mechanism of the present invention.
Fig. 4 is a schematic perspective view of the detecting mechanism of the present invention.
Fig. 5 is a partial sectional structural schematic diagram of the detection mechanism of the present invention.
Fig. 6 is a schematic perspective view of the connecting rod, the light shield, the first spring and the photosensitive sensor according to the present invention.
Fig. 7 is a schematic perspective view of the docking mechanism, the limiting mechanism and the pressing mechanism of the present invention.
Fig. 8 is a schematic perspective view of the spacing mechanism of the present invention.
Fig. 9 is a schematic perspective view of the connecting cylinder, the sliding rod, the second spring, the butt plate and the pressing mechanism according to the present invention.
Fig. 10 is a schematic perspective view of the flattening mechanism and the adjusting mechanism according to the present invention.
Fig. 11 is a schematic perspective view of an adjusting mechanism according to the present invention.
Fig. 12 is a schematic perspective view of the first cylinder, the pressure relief cylinder, the second piston rod and the fifth spring according to the present invention.
In the above drawings: 1: conveyor, 2: control panel, 3: detection host, 4: photosensor, 5: touch TFT display screen, 6: display screen bus bar, 7: elevating mechanism, 71: support frame, 72: electric push rod, 73: crane, 8: detection mechanism, 81: first connecting plate, 82: connecting rod, 83: light shield, 84: first spring, 85: photosensitive sensor, 9: docking mechanism, 91: link, 92: connecting cylinder, 93: slide bar, 94: second spring, 95: butt plate, 10: stop gear, 101: positioning frame, 102: third spring, 11: pressing mechanism, 111: fixing rod, 112: first elastic member, 12: flattening mechanism, 121: second connecting plate, 122: rotating plate, 123: second elastic member, 124: drum, 13: adjustment mechanism, 131: first piston rod, 132: first cylinder, 133: connecting pipe, 134: carriage, 135: fourth spring, 136: second cylinder, 137: spacing, 138: pressure relief cylinder, 139: second piston rod, 140: and a fifth spring.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
A device for detecting brightness uniformity of a touch TFT display screen, as shown in FIG. 1, FIG. 2, FIG. 3, FIG. 4, FIG. 5, FIG. 6, FIG. 7 and FIG. 9, comprises a conveyor 1, a control panel 2, a detection host 3, a photoelectric sensor 4, an elevating mechanism 7, a detection mechanism 8 and a docking mechanism 9, wherein the control panel 2 is installed on the front side of the conveyor 1, the conveyor 1 is electrically connected with the control panel 2, the detection host 3 is installed on the left side of the bottom in the conveyor 1, the detection host 3 can process and operate the detection result, so as to detect the brightness uniformity of the touch TFT display screen 5, the detection host 3 is electrically connected with the control panel 2, the photoelectric sensor 4 is installed on the top of the conveyor 1, when the touch TFT display screen 5 moves to a position between a transmitter and a receiver of the photoelectric sensor 4, the photoelectric sensor 4 sends a signal, the control panel 2 controls the conveyor 1 to stop working after receiving the signal, so that the touch TFT display screen 5 is located under a first connection plate 81, the photoelectric sensor 4 is electrically connected with the control panel 2, the photoelectric sensor 4 is composed of a transmitter and a receiver, the elevator mechanism 7 is installed on the front side of the conveyor 1, and the elevator mechanism 7 is connected with the TFT display mechanism for detecting the left display screen display mechanism 7.
As shown in fig. 1 and 3, the lifting mechanism 7 includes a supporting frame 71, an electric push rod 72 and a lifting frame 73, the supporting frame 71 is welded at the right part of the conveyor 1, the electric push rod 72 is bolted at the top of the supporting frame 71, the lifting frame 73 is connected on the supporting frame 71 in a sliding manner, and an expansion rod of the electric push rod 72 is connected with the lifting frame 73.
As shown in fig. 1, fig. 3, fig. 4, fig. 5 and fig. 6, the detection mechanism 8 includes a first connection plate 81, a connection rod 82, a light shield 83, a first spring 84 and a photosensitive sensor 85, the first connection plate 81 is welded at the bottom of the lifting frame 73, a plurality of connection rods 82 are welded on the first connection plate 81 in an array arrangement manner, photosensitive sensors 85 are all installed at the bottom of the connection rod 82, each photosensitive sensor 85 can detect the brightness of different positions of the touch TFT display screen 5, the photosensitive sensors 85 all pass through electric connection with the detection host computer 3, the lower part of the connection rod 82 is all slidably connected with the light shield 83, the light shield 83 moves downwards and all contacts with the touch TFT display screen 5, thereby external light can be blocked, and the first spring 84 is connected between the light shield 83 and the first connection plate 81.
As shown in fig. 1, 7 and 9, the docking mechanism 9 includes a connection frame 91, a connection cylinder 92, a sliding rod 93, a second spring 94 and a docking plate 95, the connection frame 91 is welded to the front side of the lifting frame 73, the connection cylinder 92 is welded to the left portion of the front side of the connection frame 91, the sliding rod 93 is slidably connected inside the connection cylinder 92, the second spring 94 is connected between the sliding rod 93 and the connection cylinder 92, the docking plate 95 is connected to the bottom of the sliding rod 93, the docking plate 95 moves downward and can contact with the display screen flat cable 6, and therefore the touch TFT display screen 5 can be turned on and turned off.
When the brightness uniformity of the touch TFT display screen 5 needs to be detected, the touch TFT display screen 5 is firstly placed on the left side of the top of the conveyor 1, the conveyor 1 is controlled by the control panel 2 to convey the touch TFT display screen 5, the touch TFT display screen 5 is driven to move rightwards, when the touch TFT display screen 5 moves to a position between a transmitter and a receiver of the photoelectric sensor 4, the touch TFT display screen 5 blocks light emitted by the transmitter, the receiver of the photoelectric sensor 4 does not receive the light emitted by the transmitter any more, the photoelectric sensor 4 sends a signal, the control panel 2 controls the conveyor 1 to stop working after receiving the signal, at the moment, the touch TFT display screen 5 is positioned under the first connecting plate 81, the display screen flat cable 6 is positioned under the butt-joint plate 95, and then the control panel 2 controls the electric push rod 72 to drive the lifting frame 73 to move downwards, the first connecting plate 81, the connecting rod 82, the photosensitive sensor 85, the light shield 83, the connecting frame 91, the connecting cylinder 92, the sliding rod 93 and the butt plate 95 are driven to move downwards, when the butt plate 95 is in contact with the display screen flat cable 6, the touch TFT display screen 5 can be electrified and lightened, the butt plate 95 and the sliding rod 93 stop moving downwards, the connecting cylinder 92 continues moving downwards, the second spring 94 is compressed, the butt plate 95 can tightly press the display screen flat cable 6 through the action of the second spring 94, therefore, the display screen flat cable 6 does not need to be connected manually, the working efficiency is improved, when the light shield 83 is in contact with the TFT display screen 5, the light shield 83 stops moving, the connecting rod 82 continues moving downwards, the first spring 84 is compressed, the light shield 83 can be tightly attached to the touch TFT display screen 5 through the action of the first spring 84, at the moment, the light shield 83 can block external light, each photosensitive sensor 85 can detect the brightness of different positions of the touch TFT display screen 5, and transmit the detection result to the detection host 3 for processing and operation, the detection host 3 can display the operation result through the control panel 2, people can see the operation result to know whether the brightness uniformity of the touch TFT display screen 5 is qualified, the error of the brightness detection result of different positions is within the allowable range, that is, the brightness uniformity of the touch TFT display screen 5 is qualified, after the detection is completed, the electric push rod 72 is controlled by the control panel 2 to drive the lifting frame 73 to move upwards, the first connecting plate 81 is driven, the connecting rod 82, the photosensitive sensor 85, the connecting frame 91 and the connecting cylinder 92 move upwards for resetting, the first spring 84 and the second spring 94 restore to the original state, then the connecting rod 82 and the connecting cylinder 92 can drive the light shield 83, the sliding rod 93 and the butt plate 95 move upwards for resetting, the light shield 83 is separated from the touch TFT display screen 5, the butt plate 95 is separated from the display screen bus 6, the detected touch TFT display screen 5 can be taken away manually, and other TFTs can be detected again by repeating the above operation.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 7, and 8, the touch TFT display apparatus further includes a limiting mechanism 10, the limiting mechanism 10 includes a positioning frame 101 and a third spring 102, the lower portion of the lifting frame 73 is slidably connected with the positioning frame 101, when the positioning frame 101 covers the outer side of the touch TFT display screen 5, the touch TFT display screen 5 can be positioned, and can further block the external light, four third springs 102 are connected between the positioning frame 101 and the lifting frame 73 at intervals, when the lifting frame 73 moves downward, the positioning frame 101 is driven to move downward, when the positioning frame 101 contacts the conveyor 1, the positioning frame 101 stops moving, and the lifting frame 73 continues to move downward, the third spring 102 is compressed, the positioning frame 101 can be attached to the conveyor 1 by the action of the third spring 102, at this time, the positioning frame 101 covers the outer side of the touch TFT display screen 5, the touch TFT display screen 5 can be positioned, the position of the touch TFT display screen 5 is prevented from deviating, when the uniformity of the brightness of the touch TFT display screen 5 is detected, the positioning frame 101 can further improve the accuracy of the detection result of the external light.
As shown in fig. 1, 7 and 9, the display device further includes a pressing mechanism 11, the pressing mechanism 11 includes a fixing rod 111 and a first elastic member 112, the fixing rod 111 is welded to the rear side of the top of the docking plate 95, the first elastic member 112 is connected to the rear side of the fixing rod 111, the first elastic member 112 moves downward and contacts with the display screen cable 6, when the docking plate 95 moves upward, the first elastic member 112 can press the display screen cable 6 to prevent the display screen cable 6 from moving upward, when the docking plate 95 moves downward, the fixing rod 111 and the first elastic member 112 are driven to move downward, when the first elastic member 112 contacts with the display screen cable 6, the fixing rod 111 continues to move downward, the display screen cable 6 can press the first elastic member 112, the first elastic member 112 deforms, when the docking plate 95 moves upward, the fixing rod 111 is driven to move upward, the first elastic member 112 slowly returns to its original shape, at this time, the first elastic member 112 can press the display screen cable 6 to prevent the display screen cable 6 from moving upward, thereby preventing the display screen cable 6 from deforming and damaging.
As shown in fig. 1 and 10, the flat cable connector further includes a flat cable pressing mechanism 12, the flat cable pressing mechanism 12 includes a second connecting plate 121, a rotating plate 122, a second elastic member 123 and a roller 124, the second connecting plate 121 is connected to the rear side of the bottom of the connecting frame 91, the rotating plate 122 is rotatably connected to the lower end of the second connecting plate 121, the second elastic member 123 is connected between the rotating plate 122 and the second connecting plate 121, the roller 124 is rotatably connected to the lower portion of the rotating plate 122, the roller 124 moves downward to contact with the flat cable 6 on the display screen, when the connecting frame 91 moves downward, the second connecting plate 121, the rotating plate 122 and the roller 124 are driven to move downward, when the roller 124 contacts with the flat cable 6 on the display screen, the roller 124 stops moving downward, at this time, the connecting frame 91 and the second connecting plate 121 continue to move downward, the rotating plate 122 is pressed to rotate forward, the second elastic member 123 deforms, the rotating plate 122 drives the roller 124 to roll forward on the flat cable 6 on the display screen, the roller 124 can press the flat cable 6 to press the flat cable 6, so as to make the flat cable 6 surface of the flat cable 6 flat cable and the flat cable 95 conveniently.
As shown in fig. 1, 10, 11 and 12, the conveyor further includes an adjusting mechanism 13, the adjusting mechanism 13 includes a first piston rod 131, a first cylinder 132, a connecting pipe 133, a sliding frame 134, a fourth spring 135, a second cylinder 136, a limiting frame 137, a pressure relief cylinder 138, a second piston rod 139 and a fifth spring 140, the lower portion of the front side of the connecting cylinder 92 is connected with the first piston rod 131, the middle portion of the sliding rod 93 is connected with the first cylinder 132, the first piston rod 131 is slidably connected with the first cylinder 132, the bottom end of the first piston rod 131 is in sealing contact with the first cylinder 132, the lower portion of the first cylinder 132 is symmetrically communicated with the connecting pipe 133, the lower portion of the sliding rod 93 is slidably connected with the sliding frame 134, the fourth spring 135 is connected between the sliding frame 134 and the abutment plate 95, the fourth spring 135 is wound around the outer side of the sliding rod 93, the second cylinder 136 is symmetrically connected on the sliding frame 134, one end of the connecting pipe 133 away from the first cylinder 132 is communicated with the top portion of the adjacent second cylinder 136, one side of the second cylinder 136 is connected with the limiting frame 137, one side close to the other side of the second cylinder 137 is connected with the limiting frame 137, the pressure relief cylinder 137, the side close to the pressure relief cylinder 139 is in contact with the side of the second cylinder 139, the pressure relief cylinder 139, the second cylinder 139, the side of the second cylinder 139, the pressure relief cylinder 138 is connected with the front side of the second cylinder 139.
Initially, the first oil cylinder 132 is filled with hydraulic oil, when the connecting cylinder 92 moves downwards, the sliding rod 93, the butt joint plate 95, the first piston rod 131, the first oil cylinder 132, the sliding frame 134, the second oil cylinder 136 and the limiting frame 137 are driven to move downwards, when the limiting frame 137 is in contact with the conveyor 1, the limiting frame 137, the second oil cylinder 136 and the sliding frame 134 stop moving, the connecting cylinder 92, the sliding rod 93, the butt joint plate 95, the first piston rod 131 and the first oil cylinder 132 continue to move downwards, the fourth spring 135 is stretched, the bottom of the limiting frame 137 can be tightly attached to the conveyor 1 under the action of the fourth spring 135, when the butt joint plate 95 is in contact with the display screen flat cable 6, the butt joint plate 95, the sliding rod 93 and the first oil cylinder 132 stop moving, and the connecting cylinder 92 continues to move downwards, the first piston rod 131 is driven to continue to move downwards, the second spring 94 compresses, the first piston rod 131 can extrude the hydraulic oil in the first oil cylinder 132, so that the hydraulic oil enters the second oil cylinder 136 through the connecting pipe 133, thereby being capable of driving the limiting frame 137 to move towards one side close to each other, when the limiting frame 137 contacts with the display screen flat cable 6, the display screen flat cable 6 can be pushed to be centered, thereby finely adjusting the position of the display screen flat cable 6, ensuring the correct butt joint of the display screen flat cable 6 and the butt joint plate 95, at the moment, the limiting frame 137 stops moving, the connecting cylinder 92 and the first piston rod 131 continue to move downwards, the first piston rod 131 can extrude the hydraulic oil in the first oil cylinder 132 into the pressure relief cylinder 138, the hydraulic oil can extrude the second piston rod 139 to move upwards, the fifth spring 140 is stretched to play a buffering role, and the limiting frame 137 is prevented from crushing the display screen flat cable 6.
A method for detecting brightness uniformity of a touch TFT display screen comprises the following steps: carry touch-control TFT display screen 5 to the right through control panel 2 control conveyer 1, rethread photoelectric sensor 4 can make touch-control TFT display screen 5 move to under first connecting plate 81, then control electric putter 72 through control panel 2 drives photosensitive sensor 85, lens hood 83 and dock plate 95 move down, make dock plate 95 and display screen winding displacement 6 contact, thereby make touch-control TFT display screen 5 circular telegram light, lens hood 83 can contact with touch-control TFT display screen 5, rethread photosensitive sensor 85 and detection host computer 3's cooperation can detect the luminance degree of consistency of touch-control TFT display screen 5, detection host computer 3 can show the operation result through control panel 2.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. The utility model provides a touch TFT display screen luminance degree of consistency detection device, which is characterized by, including the conveyer, a control panel, detect the host computer, photoelectric sensor, elevating system, detection mechanism and docking mechanism, install control panel on the conveyer, the conveyer passes through electric connection with control panel, install the detection host computer on the conveyer, it passes through electric connection with control panel to detect the host computer, install photoelectric sensor on the conveyer, photoelectric sensor passes through electric connection with control panel, photoelectric sensor comprises sender and receiver, sender and receiver front and back symmetry are installed on the conveyer, be equipped with elevating system on the conveyer, detection mechanism is used for detecting the luminance degree of consistency of touch TFT display screen, the last docking mechanism that is equipped with of elevating system.
2. The device for detecting the brightness uniformity of the touch TFT display screen as claimed in claim 1, wherein the lifting mechanism comprises a support frame, an electric push rod and a lifting frame, the support frame is connected to the conveyor, the electric push rod is connected to the support frame, the lifting frame is connected to the support frame in a sliding manner, and a telescopic rod of the electric push rod is connected to the lifting frame.
3. The device as claimed in claim 2, wherein the detecting mechanism comprises a first connecting plate, a connecting rod, a light shield, a first spring and a photosensitive sensor, the first connecting plate is connected to the lifting frame, the connecting rods are connected to the first connecting plate in an array arrangement manner, the photosensitive sensor for detecting the brightness of the touch TFT display screen is mounted on each connecting rod, the photosensitive sensor is electrically connected to the detecting host, the light shield for shielding the external light is connected to each connecting rod in a sliding manner, the light shield contacts the touch TFT display screen when moving downwards, and the first spring is connected between the light shield and the first connecting plate.
4. The device as claimed in claim 2, wherein the docking mechanism comprises a connection frame, a connection cylinder, a sliding rod, a second spring and a docking plate, the connection frame is connected to the lifting frame, the connection cylinder is connected to the connection frame, the sliding rod is slidably connected to the connection cylinder, the second spring is connected between the sliding rod and the connection cylinder, the docking plate is connected to the sliding rod for docking the flat cable of the display screen, and the docking plate contacts the flat cable of the display screen when moving downward.
5. The device for detecting the brightness uniformity of the touch TFT display screen as claimed in claim 2, further comprising a limiting mechanism, wherein the limiting mechanism comprises a positioning frame and third springs, the lifting frame is slidably connected with the positioning frame for positioning the touch TFT display screen, and four third springs are connected between the positioning frame and the lifting frame at intervals.
6. The apparatus according to claim 4, further comprising a pressing mechanism, wherein the pressing mechanism comprises a fixing rod and a first elastic member, the fixing rod is connected to the butt-joint plate, the fixing rod is connected to the first elastic member for pressing the flat cable of the display screen, and the first elastic member contacts the flat cable of the display screen when moving downward.
7. The device for detecting the luminance uniformity of a touch TFT display screen as claimed in claim 4, further comprising a pressing mechanism, wherein the pressing mechanism comprises a second connecting plate, a rotating plate, a second elastic member and a roller, the second connecting plate is connected to the rear side of the bottom of the connecting frame, the rotating plate is rotatably connected to the lower end of the second connecting plate, the second elastic member is connected between the rotating plate and the second connecting plate, the roller is rotatably connected to the lower portion of the rotating plate, and the roller moves downward and contacts with the flat cable of the display screen.
8. The device as claimed in claim 4, further comprising an adjusting mechanism, wherein the adjusting mechanism comprises a first piston rod, a first cylinder, a connecting pipe, a sliding frame, a fourth spring, a second cylinder, a limiting frame, a pressure relief cylinder, a second piston rod and a fifth spring, the first piston rod is connected to the lower portion of the front side of the connecting cylinder, the first cylinder is connected to the middle of the sliding rod, the first piston rod is slidably connected to the first cylinder, the bottom end of the first piston rod is in sealing contact with the first cylinder, the lower portion of the first cylinder is in bilateral symmetry communicated with the connecting pipe, the sliding frame is slidably connected to the lower portion of the sliding rod, the fourth spring is connected between the sliding frame and the butt plate, the fourth spring is wound outside the sliding rod, the second cylinder is symmetrically connected to the sliding frame, one end of the connecting pipe far away from the first cylinder is communicated with the top of the adjacent second cylinder, the limiting frame is slidably connected to one side of the second cylinder close to each other, the limiting frame is in downward movement and is contacted with the butt plate, the limiting frame is in contact with the piston rod, the front side of the second cylinder is in sealing contact with the pressure relief cylinder, the piston rod and the piston rod is communicated with the pressure relief cylinder.
9. A method for detecting brightness uniformity of a touch TFT display screen is characterized by comprising the following steps: carry the touch-control TFT display screen to turn right through control panel control conveyer, rethread photoelectric sensor can make the touch-control TFT display screen move to the first connecting plate under, then through control panel control electric putter drive photosensitive sensor, lens hood and butt joint board move down, make butt joint board and display screen winding displacement contact, thereby make the circular telegram of touch-control TFT display screen light, the lens hood can contact with the touch-control TFT display screen, rethread photosensitive sensor can detect the degree of brightness uniformity of touch-control TFT display screen with the cooperation that detects the host computer, it can show the operation result through control panel to detect the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310063723.5A CN115793299B (en) | 2023-02-06 | 2023-02-06 | Device and method for detecting brightness uniformity of touch TFT display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310063723.5A CN115793299B (en) | 2023-02-06 | 2023-02-06 | Device and method for detecting brightness uniformity of touch TFT display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115793299A true CN115793299A (en) | 2023-03-14 |
| CN115793299B CN115793299B (en) | 2023-06-13 |
Family
ID=85429861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310063723.5A Active CN115793299B (en) | 2023-02-06 | 2023-02-06 | Device and method for detecting brightness uniformity of touch TFT display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115793299B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004279239A (en) * | 2003-03-17 | 2004-10-07 | Japan Science & Technology Agency | Method of detecting display defect in liquid crystal panel, and inspection device for display defect therein |
| JP2006308556A (en) * | 2005-03-31 | 2006-11-09 | Dainippon Screen Mfg Co Ltd | Unevenness inspection device and unevenness inspection method |
| CN203930257U (en) * | 2014-05-03 | 2014-11-05 | 井冈山市海巢光电科技有限公司 | A kind of Novel backlight is lighted tool |
| CN104160439A (en) * | 2012-03-01 | 2014-11-19 | 日本麦可罗尼克斯股份有限公司 | Display unevenness detection method and device for display device |
| CN209765200U (en) * | 2019-03-29 | 2019-12-10 | 伟时电子股份有限公司 | Backlight source lighting fixture |
| CN112285962A (en) * | 2020-11-26 | 2021-01-29 | 温州硕出电子科技有限公司 | Display screen brightness inspection equipment |
| CN214098014U (en) * | 2020-12-22 | 2021-08-31 | 深圳德祥光电有限公司 | Display screen brightness rapid detection device |
-
2023
- 2023-02-06 CN CN202310063723.5A patent/CN115793299B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004279239A (en) * | 2003-03-17 | 2004-10-07 | Japan Science & Technology Agency | Method of detecting display defect in liquid crystal panel, and inspection device for display defect therein |
| JP2006308556A (en) * | 2005-03-31 | 2006-11-09 | Dainippon Screen Mfg Co Ltd | Unevenness inspection device and unevenness inspection method |
| CN104160439A (en) * | 2012-03-01 | 2014-11-19 | 日本麦可罗尼克斯股份有限公司 | Display unevenness detection method and device for display device |
| CN203930257U (en) * | 2014-05-03 | 2014-11-05 | 井冈山市海巢光电科技有限公司 | A kind of Novel backlight is lighted tool |
| CN209765200U (en) * | 2019-03-29 | 2019-12-10 | 伟时电子股份有限公司 | Backlight source lighting fixture |
| CN112285962A (en) * | 2020-11-26 | 2021-01-29 | 温州硕出电子科技有限公司 | Display screen brightness inspection equipment |
| CN214098014U (en) * | 2020-12-22 | 2021-08-31 | 深圳德祥光电有限公司 | Display screen brightness rapid detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115793299B (en) | 2023-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104950492A (en) | Automatic LCD screen defect detection system | |
| CN104267034B (en) | A kind of backlight screen visual detection equipment | |
| JP2019535999A (en) | Method and apparatus for measuring flatness of flexible solar cell module | |
| CN204789391U (en) | Liquid crystal display defect is camera subassembly that moves for automatic check out system | |
| CN111674838B (en) | Automatic straightening device and method for scraper conveyor body based on spatial position information capture | |
| CN104076217A (en) | Automatic pressure connecting testing device for liquid crystal display panels | |
| CN112556608A (en) | Display screen polaroid roughness check out test set | |
| CN109014850B (en) | Battery rolling device | |
| CN204790233U (en) | Liquid crystal display defect automatic check out system | |
| CN115793299A (en) | Device and method for detecting brightness uniformity of touch TFT display screen | |
| CN204731344U (en) | LCDs defect automatic checkout system display screen moving parts | |
| CN220153515U (en) | Full intelligent plate size measuring machine | |
| CN205941397U (en) | TFT LCD module outward appearance detecting system | |
| CN111638153A (en) | Sampling inspection device suitable for energy-saving production line of display screen | |
| CN205539385U (en) | Ship type switch number of times detection device that opens and shuts | |
| CN109976003B (en) | Miniaturized cell-phone screen IC hot press unit | |
| CN109375396A (en) | A kind of liquid crystal display panel conducting luminescence detection apparatus | |
| CN110007492B (en) | From radiating duplex position cell-phone screen IC hot press unit in area | |
| KR101011485B1 (en) | Light guide plate align apparatus and light guide plate align method and manufactured by using light guide plate pattern method | |
| CN103698630B (en) | A kind of electrical array detection equipment | |
| KR101269487B1 (en) | Gap control apparatus of floating sensor unit, and control method for the same | |
| CN213021451U (en) | Pressing mechanism of edge distance detection machine | |
| CN219935253U (en) | Sheet product detection device | |
| CN209690090U (en) | A kind of CB clutch flex crack life test rack | |
| CN201644512U (en) | Detecting device for detecting needle holes at edge part of thin-belt material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |