CN108898984B - Floating tool for gamma detection of display panel and contact type detection device - Google Patents
Floating tool for gamma detection of display panel and contact type detection device Download PDFInfo
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- CN108898984B CN108898984B CN201810875803.XA CN201810875803A CN108898984B CN 108898984 B CN108898984 B CN 108898984B CN 201810875803 A CN201810875803 A CN 201810875803A CN 108898984 B CN108898984 B CN 108898984B
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a floating tool for gamma detection of a display panel and a contact type detection device, which comprise a connecting seat, wherein a limiting plate and a guide plate which are arranged in parallel are fixedly connected on the connecting seat, a mounting hole is formed in the guide plate, the central axis of the mounting hole is perpendicular to the limiting plate, a radial limiting and axially movable guide rod is mounted on the mounting hole in a matched mode, a pressure sensor is fixedly connected to one end of the guide rod, a gamma detector is fixedly connected to the other end of the guide rod, the guide plate is positioned between the pressure sensor and the gamma detector, the pressure sensor is positioned between the limiting plate and the guide plate, a spring is sleeved on the guide rod, and the spring is compressed when the gamma detector moves relative to the guide plate. The invention has simple structure and convenient use, can ensure that the gamma detector can not crush the screen when contacting the display panel, and can meet the gamma detection of liquid crystal panels with various sizes.
Description
Technical Field
The invention relates to a display panel gamma detection tool and a display panel detection device, belongs to the technical field of non-standard display panel testing to be detected such as electronic screens, and particularly relates to a floating tool and a contact type detection device for display panel gamma detection.
Background
With the continuous improvement of living standard of people and the rapid development of flat panel displays, novel display panels such as liquid crystal panels and OLED panels are widely adopted in industry as a common display panel to be tested, and the high-quality display panel has the characteristics of full solid state, active light emission, high brightness, high contrast, ultra-thin ultralight, low power consumption, no viewing angle limitation, wide working temperature range and the like, and maintains high level on parameters such as flicker value, brightness, color coordinates and the like, so that the display panel needs to carry out accurate detection and adjustment of related parameters before delivery so as to meet the requirement of high quality. The existing performance test of the display panel comprises an electric lamp test, a brightness test, a color coordinate test, a gamma test and the like, wherein the gamma test is one of important contents of the brightness of the display panel, and has wide application significance. When gamma detection is carried out on the current domestic display panel, the detector is generally required to be aligned with the center point of the liquid crystal screen, the center brightness of the liquid crystal screen can be detected by approaching the screen, and the actual detection brightness value is compared with the theoretical value, so that the optical performance of the liquid crystal screen is detected. The invention discloses a testing system and a testing method of an OLED panel, as disclosed in the specification of Chinese patent No. 108036932A, wherein the testing system comprises a camera for acquiring optical performance data of the OLED panel, and a camera alignment structure for adjusting the position of the camera, the camera alignment structure comprises a base, a left and right adjusting unit connected with the base, a front and rear adjusting unit connected with the left and right adjusting unit, an upper and lower adjusting unit connected with the front and rear adjusting unit, and an angle adjusting platform connected with the upper and lower adjusting unit, a fixed plate for fixing the camera is arranged on the angle adjusting platform, a first cam follower is arranged between the fixed plate and the angle adjusting platform, a second cam follower is arranged between the angle adjusting platform and the upper and lower adjusting unit, the left and right adjusting unit comprises a first guide rail seat and a first sliding seat, the front and rear adjusting unit comprises a second guide rail seat and a second sliding seat, and the upper and lower adjusting unit comprises a third guide rail seat and a third sliding seat. The device can be used for gamma performance detection of the display panel only on the premise that the gamma detector is not contacted with the display panel, and because the adjusting module of the device for controlling the gamma detector is a set of rigid structure, the contact degree of the gamma detector and the display panel screen cannot be effectively ensured, and therefore, the display panel screen can be possibly crushed when the gamma detector is moved and positioned.
At present, a gamma detection device for requiring a detection instrument to be in contact with a display panel is not available at home temporarily, and the existing gamma detection device has no automatic adjusting function, so that the contact degree between the gamma detection instrument and the display panel can not be controlled when a screen of the display panel is detected, and the detection safety of the display panel can not be ensured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a floating tool for gamma detection of a display panel and a display panel contact gamma detection device, which not only meet the requirements of contact detection of a liquid crystal panel and a gamma detector, but also can not cause pressure damage to the surface of a screen.
In order to solve the technical problems, the floating tool for gamma detection of the display panel comprises a connecting seat, wherein a limiting plate and a guide plate which are arranged in parallel are fixedly connected to the connecting seat, a mounting hole is formed in the guide plate, the central axis of the mounting hole is perpendicular to the limiting plate, a guide rod which is radially limited and axially movable is mounted on the mounting hole in a matched mode, a pressure sensor is fixedly connected to one end of the guide rod, a gamma detector is fixedly connected to the other end of the guide rod, the guide plate is positioned between the pressure sensor and the gamma detector, the pressure sensor is positioned between the limiting plate and the guide plate, a spring is sleeved on the guide rod, and the spring is compressed when the gamma detector moves relative to the guide plate.
In a preferred embodiment of the present invention, a linear bearing is mounted on the mounting hole, and the guide rod is engaged with the linear bearing.
In a preferred embodiment of the invention, one end of the guide rod is connected with a first connecting plate, the other end of the guide rod is connected with a second connecting plate, the guide plate is positioned between the first connecting plate and the second connecting plate, the first connecting plate is positioned between the limiting plate and the guide plate, a pressure sensor is fixedly connected to the end face of the first connecting plate, facing to one side of the limiting plate, and a gamma detector is fixedly connected to the second connecting plate; the spring is located between the second connecting plate and the guide plate.
In a preferred embodiment of the invention, 4 linear bearings are fixedly connected to the guide plate.
In a preferred embodiment of the invention, the 4 linear bearings are arranged rotationally symmetrically with respect to the central axis of the guide plate.
The invention also discloses a display panel contact gamma detection device, which comprises a display panel detection positioning tool, wherein the movable end of the display panel detection positioning tool can freely move in space, and the movable end of the display panel detection positioning tool is connected with a floating tool for detecting gamma of the display panel.
In a preferred embodiment of the invention, the display panel detection positioning tool comprises two first guide rails arranged in parallel and a cross beam connected with the first guide rails in a sliding fit manner, the cross beam is driven by a power system to move along the first guide rails, a second guide rail is fixedly connected to the middle of the cross beam, the second guide rail is perpendicular to the first guide rail and the cross beam, the floating tool is connected to the second guide rail in a sliding fit manner, and the floating tool is driven by a power source to move along the second guide rail.
In a preferred embodiment of the present invention, the central axis of the linear bearing of the floating tool is parallel to the second guide rail.
In a preferred embodiment of the present invention, the first guide rail is a linear sliding table module, and the linear sliding table module is driven to work by the power system.
In a preferred embodiment of the invention, the power system comprises a driving motor and a transmission shaft, the transmission shaft is arranged in parallel with the cross beam, the output end of the driving motor is connected with the linear sliding table module, and the two linear sliding table modules are connected through the transmission shaft.
In a preferred embodiment of the invention, the power source is a cylinder, the cylinder body of the cylinder is fixedly connected with the cross beam, and the piston rod of the cylinder is connected with the connecting seat of the floating tool.
In a preferred embodiment of the invention, the cross beam is fixedly connected with a pressure display.
The beneficial effects of the invention are as follows: the invention has simple structure and convenient use, can ensure that the gamma detector can not crush the screen when contacting the display panel, and can meet the gamma detection of liquid crystal panels with various sizes. The invention discloses a floating tool for gamma detection of a display panel, which changes the rigid contact of an original gamma detector and the display panel into flexible contact by arranging a linear bearing, a guide rod and a sliding structure of a spring on a connecting seat and matching the spring, so that the rigid impact of the gamma detector when the gamma detector contacts the display panel is avoided, and further, the pressure sensor is arranged on the floating tool, so that the pressure loss of the display panel caused by overload of the gamma detector is prevented; according to the invention, through the arrangement of the linear bearings, the perpendicularity between the gamma detector and the display panel in the testing process is ensured, and the testing precision is improved; furthermore, the invention also discloses a display panel contact gamma detection device, which enables gamma detection to have an XZ direction adjusting function through the design of a display panel detection positioning tool, so that the detection of display panels with various sizes can be satisfied.
Drawings
FIG. 1 is an isometric view of a display panel color coordinate detection apparatus according to an embodiment of the present invention;
FIG. 2 is an isometric view of a display panel color coordinate detection apparatus according to an embodiment of the present invention;
FIG. 3 is an isometric view of a floating tool for display panel gamma detection according to an embodiment of the present invention;
FIG. 4 is a front view of a floating tool for gamma detection of a display panel according to an embodiment of the present invention;
in the figure: 1-a first guide rail; 2-a cross beam; 3-power system; 4-a second guide rail; 5-connecting seats; 6-a power source; 7-gamma detector; 9-a pressure display; 3.1-driving a motor; 3.2-a transmission shaft; 8.1-limiting plates; 8.2-guide plates; 8.3-linear bearings; 8.4-guide rod; 8.5-a first connection plate; 8.6-a second connection plate; 8.7-a pressure sensor; 8.8-spring (compression spring).
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The floating tool for gamma detection of the display panel comprises a connecting seat 5, wherein the connecting seat 5 is L-shaped, a limiting plate 8.1 and a guide plate 8.2 are vertically fixedly connected to the connecting seat 5, a plurality of linear bearings 8.3 are fixedly connected to the guide plate 8.2, the central axis of each linear bearing 8.3 is vertical to the guide plate 8.2, a guide rod 8.4 is connected to each linear bearing 8.3 in a sliding fit manner, one end of each guide rod 8.4 is connected with a first connecting plate 8.5, the other end of each guide rod is connected with a second connecting plate 8.6, the guide plate 8.2 is located between the first connecting plate 8.5 and the second connecting plate 8.6, the first connecting plate 8.5 is located between the limiting plate 8.1 and the guide plate 8.2, a pressure sensor 8.7 is fixedly connected to the end face of one side of the first connecting plate 8.5, a gamma detector 7 is fixedly connected to the second connecting plate 8.6, a spring 8.8 is sleeved on each guide rod 8.4, and the spring 8.8 is located between the second connecting plate 8.6 and the guide plate 8.2. 4 linear bearings 8.3 are fixedly connected to the guide plate 8.2. The 4 linear bearings 8.3 are arranged rotationally symmetrically with respect to the central axis of the guide plate 8.2. By using the above floating tool, when the gamma detector 7 contacts the display panel, the original rigid contact becomes a flexible foundation, because the floating frame formed by the first connecting plate 8.5, the second connecting plate 8.6 and the guide rod 8.4 is in a movable state, and meanwhile, when the connecting seat 5 pushes the floating frame formed by the first connecting plate 8.5, the second connecting plate 8.6 and the guide rod 8.4 to move integrally, the position of the floating frame formed by the first connecting plate 8.5, the second connecting plate 8.6 and the guide rod 8.4 relative to the display panel is fixed, at this time, the gamma detector 7 is not loaded on the display panel, then the connecting seat 5 continues to move, and when the spring 8.8 starts to compress, the gamma detector 7 starts to load on the display panel, and the limiting plate 8.1 contacts the pressure sensor 8.7, thereby controlling the force loaded on the display panel, and ensuring that the screen will not be damaged. The arrangement of the springs 8.8 allows the gamma detector 7 to reduce the impact of the force applied to the display panel, and the arrangement of the pressure sensors 8.7 ensures that the force applied to the display panel is not overloaded.
The invention also discloses a display panel contact gamma detection device, which comprises a display panel detection positioning tool, wherein the movable end of the display panel detection positioning tool can freely move in space, and the movable end of the display panel detection positioning tool is connected with the floating tool for detecting the gamma of the display panel. The display panel detects location frock includes two parallel arrangement's first guide rail 1 and the crossbeam 2 that is connected with first guide rail 1 sliding fit, and crossbeam 2 removes along first guide rail 1 under driving of driving system 3, and the middle part rigid coupling of crossbeam 2 has second guide rail 4, and second guide rail 4 perpendicular to first guide rail 1 and crossbeam 2, sliding fit is connected with the frock that floats on the second guide rail 4, and the frock that floats removes along second guide rail 4 under driving of power supply 6. The central axis of the linear bearing 8.3 of the floating tool is parallel to the second guide rail 4. The first guide rail 1 is a linear sliding table module, and the linear sliding table module is driven to work by the power system 3. The power system 3 comprises a driving motor 3.1 and a transmission shaft 3.2, the transmission shaft 3.2 is arranged in parallel with the cross beam 2, the output end of the driving motor 3.1 is connected with the linear sliding table modules, and the two linear sliding table modules are connected through the transmission shaft 3.2. The power source 6 is an air cylinder, the cylinder body of the air cylinder is fixedly connected with the cross beam 2, and the piston rod of the air cylinder is connected with the connecting seat 5 of the floating tool. The cross beam 2 is fixedly connected with a pressure display 9. It is noted that the floating tool of the present invention is movable in the X, Z axis direction, and the position of the floating tool in the Y axis direction is secured by being detachably connected to the middle of the cross member 2. The floating tool is not limited to the display panel detection positioning tool structure shown in the attached drawings, and the display panel detection positioning tool capable of moving in the space of the floating tool belongs to the protection scope of the invention.
It should be understood that the foregoing is only illustrative of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A frock floats for display panel gamma detects, includes connecting seat (5), its characterized in that: limiting plates (8.1) and guide plates (8.2) which are arranged in parallel are fixedly connected to the connecting seat (5), a mounting hole is formed in the guide plates (8.2), the central axis of each mounting hole is perpendicular to the corresponding limiting plate (8.1), a guide rod (8.4) which is radially limited and axially movable is mounted on each mounting hole in a matched mode, a pressure sensor (8.7) is fixedly connected to one end of each guide rod (8.4), a gamma detector (7) is fixedly connected to the other end of each guide rod, the guide plates (8.2) are located between the pressure sensor (8.7) and the gamma detector (7), the pressure sensor (8.7) is located between the corresponding limiting plates (8.1) and the corresponding guide plates (8.2), and springs (8.8) are sleeved on the guide rods (8.4) and are compressed when the gamma detector (7) moves relative to the guide plates (8.2).
2. The floating fixture for gamma detection of a display panel according to claim 1, wherein: and the linear bearing (8.3) is arranged on the mounting hole, and the guide rod (8.4) is matched with the linear bearing (8.3).
3. The floating fixture for gamma detection of a display panel according to claim 1, wherein: one end of the guide rod (8.4) is connected with a first connecting plate (8.5), the other end of the guide rod is connected with a second connecting plate (8.6), the guide plate (8.2) is positioned between the first connecting plate (8.5) and the second connecting plate (8.6), the first connecting plate (8.5) is positioned between the limiting plate (8.1) and the guide plate (8.2), a pressure sensor (8.7) is fixedly connected on the end face, facing one side of the limiting plate (8.1), of the first connecting plate (8.5), and a gamma detector (7) is fixedly connected on the second connecting plate (8.6); the spring (8.8) is located between the second connecting plate (8.6) and the guide plate (8.2).
4. The utility model provides a display panel contact gamma detection device, includes display panel detects location frock, display panel detects the expansion end of location frock and can freely remove in the space, its characterized in that: the movable end of the display panel detection positioning tool is connected with the floating tool for display panel gamma detection according to any one of claims 1-3.
5. The touch gamma detection device of claim 4, wherein: the display panel detects location frock includes two parallel arrangement's first guide rail (1) and with crossbeam (2) that first guide rail (1) sliding fit is connected, crossbeam (2) are driven down by driving system (3) along first guide rail (1) removes, the middle part rigid coupling of crossbeam (2) has second guide rail (4), second guide rail (4) perpendicular to first guide rail (1) with crossbeam (2), sliding fit is connected with on second guide rail (4) float frock, float frock is driven down by power supply (6) along second guide rail (4) removes.
6. The touch gamma detection device of claim 5, wherein: the central axis of the linear bearing (8.3) of the floating tool is parallel to the second guide rail (4).
7. The touch gamma detection device of claim 5, wherein: the first guide rail (1) is a linear sliding table module, and the linear sliding table module is driven to work by the power system (3).
8. The display panel touch gamma detection apparatus according to claim 7, wherein: the power system (3) comprises a driving motor (3.1) and a transmission shaft (3.2), the transmission shaft (3.2) is arranged in parallel with the cross beam (2), the output end of the driving motor (3.1) is connected with the linear sliding table modules, and the two linear sliding table modules are connected through the transmission shaft (3.2).
9. The touch gamma detection device of claim 5, wherein: the power source (6) is an air cylinder, the cylinder body of the air cylinder is fixedly connected with the cross beam (2), and the piston rod of the air cylinder is connected with the connecting seat (5) of the floating tool.
10. The touch gamma detection device of claim 5, wherein: the cross beam (2) is fixedly connected with a pressure display (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810875803.XA CN108898984B (en) | 2018-08-03 | 2018-08-03 | Floating tool for gamma detection of display panel and contact type detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810875803.XA CN108898984B (en) | 2018-08-03 | 2018-08-03 | Floating tool for gamma detection of display panel and contact type detection device |
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| CN108898984A CN108898984A (en) | 2018-11-27 |
| CN108898984B true CN108898984B (en) | 2023-10-24 |
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