CN111006759A - Tool for rapidly testing brightness uniformity - Google Patents
Tool for rapidly testing brightness uniformity Download PDFInfo
- Publication number
- CN111006759A CN111006759A CN201911353924.9A CN201911353924A CN111006759A CN 111006759 A CN111006759 A CN 111006759A CN 201911353924 A CN201911353924 A CN 201911353924A CN 111006759 A CN111006759 A CN 111006759A
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- CN
- China
- Prior art keywords
- guide rail
- self
- walking
- sliding block
- axis guide
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- 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.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 17
- 230000003287 optical effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
- G01M11/0214—Details of devices holding the object to be tested
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Liquid Crystal (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention discloses a tool for rapidly testing brightness uniformity, which comprises: the X-axis guide rail and the Y-axis guide rail are perpendicular to each other and horizontally arranged, a first self-walking sliding block is arranged on the X-axis guide rail, and a brightness meter is mounted on the first self-walking sliding block; and a second self-walking sliding block is arranged on the Y-axis guide rail, a lifting platform which vertically stretches along the Z-axis direction is arranged on the second self-walking sliding block, and a quick clamping mechanism for clamping the liquid crystal display module is arranged on the lifting platform. This test luminance homogeneity frock fast simple structure, it is with low costs, easy operation, need round trip movement luminance meter when having avoided the test difference.
Description
Technical Field
The invention relates to a brightness detection tool, in particular to a tool for rapidly testing brightness uniformity.
Background
At present, the equipment for detecting the brightness uniformity of optical indexes of products is mainly an SS420 optical test system, and the SS420 optical test system can test optical parameters such as a field angle, brightness, strong light contrast and the like in the whole machine acceptance test of a liquid crystal display module and a display. With the increasing demand of orders, the SS420 optical test system is already in overload operation, cannot meet the delivery detection of products, and detection conflicts of different optical parameters frequently occur, and the SS420 optical test system with uniformity of brightness has too low test speed and low test efficiency, and cannot meet the detection demand of products.
Disclosure of Invention
The invention aims to provide a tool for quickly testing brightness uniformity, which has the advantages of simple structure, low cost and simplicity in operation, and avoids the need of moving a brightness meter back and forth when different points are tested.
In order to achieve the above object, the present invention provides a tool for rapidly testing luminance uniformity, comprising: the automatic-walking device comprises an X-axis guide rail and a Y-axis guide rail which are vertical to each other and are horizontally arranged, wherein a first self-walking sliding block is arranged on the X-axis guide rail, and a brightness meter is arranged on the first self-walking sliding block; the Y-axis guide rail is provided with a second self-walking sliding block, the second self-walking sliding block is provided with a lifting platform which vertically stretches along the Z-axis direction, and the lifting platform is provided with a quick clamping mechanism for clamping the liquid crystal display module.
Preferably, the X-axis guide rail includes: the bottom of the first self-walking sliding block is sleeved on the first guide rail strip and can be positioned on the first guide rail strip to walk in a sliding mode.
Preferably, the Y-axis guide rail includes: the bottom of the second self-walking sliding block is sleeved on the second guide rail bar and can be positioned on the second guide rail bar to walk in a sliding mode.
Preferably, the elevating platform comprises: the electric telescopic frame is installed between the second self-walking sliding block and the table board, and the quick clamping mechanism is installed on the table board.
Preferably, the quick clamping mechanism comprises: the luminance meter comprises a bottom plate and a vertical plate vertically arranged on the bottom plate, wherein a pressure claw is hinged to one side, facing the luminance meter, of the vertical plate through a torsion spring.
Preferably, stoppers are mounted on the bottom plate at two sides of the liquid crystal display module through screws.
Preferably, a rubber layer is disposed on a side of the stopper facing the liquid crystal display module.
According to the technical scheme, the X-axis guide rail is provided with a first self-walking sliding block, and a brightness meter is mounted on the first self-walking sliding block; the Y-axis guide rail is provided with a second self-walking sliding block, the second self-walking sliding block is provided with a lifting platform which vertically stretches along the Z-axis direction, and the lifting platform is provided with a quick clamping mechanism for clamping the liquid crystal display module. During detection, the type of the used brightness meter is CS2000, the brightness meter of the type can simultaneously detect the brightness conditions of multiple points, the position of the liquid crystal display module relative to the brightness meter is adjusted through the X, Y, Z direction, and the positioned liquid crystal display module can quickly detect the brightness conditions of the multiple points on the liquid crystal display module through the brightness meter.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of a preferred embodiment of a fixture for rapid test of luminance uniformity;
FIG. 2 is a schematic diagram of a first distribution of a plurality of test points in a luminance meter;
FIG. 3 is a schematic diagram of a second distribution of a plurality of test points in a luminance meter;
FIG. 4 is a diagram showing a third distribution of a plurality of test points in a luminance meter;
FIG. 5 is a diagram showing a fourth distribution of a plurality of test points in a luminance meter.
Description of the reference numerals
1 first substrate 2 second substrate
3 second guide rail bar 4 first guide rail bar
5 first self-walking slide 6 second self-walking slide
7 bottom plate 8 vertical plate
Luminance meter with 9-finger grip and 10-finger grip
11 liquid crystal display module 12 block
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, directional words included in terms such as "upper, lower, left, right, front, rear, inner, and outer" and the like merely represent the directions of the terms in a normal use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Referring to the fixture for rapidly testing brightness uniformity shown in fig. 1, the fixture for rapidly testing brightness uniformity comprises: the automatic walking device comprises an X-axis guide rail and a Y-axis guide rail which are vertical to each other and are arranged horizontally, wherein a first self-walking sliding block 5 is arranged on the X-axis guide rail, and a brightness meter 10 is arranged on the first self-walking sliding block 5; the Y-axis guide rail is provided with a second self-walking slider 6, the second self-walking slider 6 is provided with a lifting platform which vertically stretches along the Z-axis direction, and the lifting platform is provided with a quick clamping mechanism for clamping the liquid crystal display module 11.
Through the implementation of the technical scheme, during detection, the model of the used luminance meter 10 is CS2000, the luminance meter 10 of the model can simultaneously detect the luminance conditions of multiple points, the position of the liquid crystal display module 11 relative to the luminance meter 10 is adjusted through the X, Y, Z direction, and the adjusted and positioned liquid crystal display module 11 can quickly detect the luminance conditions of the multiple points on the liquid crystal display module 11 through the luminance meter 10. The invention has simple structure, low cost and simple operation, and avoids the need of moving the brightness meter 10 back and forth when testing different points; the application range is wide: the test system is suitable for testing the brightness uniformity of all modules, and can test the brightness and the contrast of the liquid crystal display module 11; the device functions as follows: the dependence on an SS420 optical test system of large-scale detection equipment is reduced, and the function of the CS2000 luminance meter 10 is fully exerted; the test efficiency is improved: the clamping is quick, the operation is simple and convenient, and the detection efficiency of a single product is improved by 70%; optimizing the test function: and the difference indexes of different products can be detected by positioning at any position.
The specific detection steps are as follows:
1. fixing the liquid crystal display module 11 to be tested at the quick clamping mechanism;
2. observing the position of a product through test software in the luminance meter 10, and enabling the liquid crystal display module 11 to be located at the center position of a lens of the luminance meter 10 by adjusting X, Y, Z the axial position, wherein the X, Y, Z axial position is adjusted through the first self-walking slider 5, the second self-walking slider 6 and the lifting platform;
3. loading a brightness uniformity test picture according to the liquid crystal display modules 11 of different models, as shown in fig. 2-5;
4. selecting 9 test points in the luminance meter 10 as an example, and for the rectangular liquid crystal display module to be tested 11, performing test point layout by adopting three modes as shown in fig. 2-4; wherein the content of the first and second substances,
in fig. 2, four corner positions of the liquid crystal display module 11 to be tested are respectively provided with a detection point, the center is provided with a detection point, and the front, back, left and right positions around the center detection point are respectively provided with a detection point;
in fig. 3, four corner positions of the liquid crystal display module 11 to be tested are respectively provided with a detection point, and the center is provided with a detection point;
in fig. 4, the liquid crystal display module 11 to be tested is equally divided into nine small rectangular areas, and a detection point is arranged at the center of each small rectangular area;
for the special-shaped liquid crystal display module 11 to be tested, referring to fig. 5, a detection point is disposed at the center of the liquid crystal display module 11 to be tested, and a plurality of detection points are disposed around the edge of the liquid crystal display module in the circumferential direction.
5. Reading the brightness value of 1-9 points in the brightness meter 10;
6. and calculating the brightness uniformity of the tested product according to the military standard requirement.
In this embodiment, to further provide an X-axis guide rail, preferably, the X-axis guide rail includes: the first base plate 1 with install in first guide rail strip 4 on the first base plate 1, the bottom cover of first self-walking slider 5 is located on the first guide rail strip 4 and can be located sliding travel on the first guide rail strip 4. A first electric guide wheel is arranged in the first self-walking slider 5 and is positioned on the side surface or the top surface of the first guide rail bar 4 for walking.
In this embodiment, to further provide a Y-axis guide, preferably, the Y-axis guide includes: the second base plate 2 with install in second guide rail strip 3 on the second base plate 2, the second is located from the bottom cover of walking slider 6 on the second guide rail strip 3 and can be located sliding travel on the second guide rail strip 3. A second self-walking sliding block 6 is internally provided with a second electric guide wheel which is positioned on the side surface or the top surface of the second guide rail strip 3 for walking.
In this embodiment, to further provide a lifting platform, preferably, the lifting platform comprises: the electric telescopic frame is installed between the second self-walking sliding block 6 and the table board, and the quick clamping mechanism is installed on the table board.
In this embodiment, to further provide a quick clamping mechanism, preferably, the quick clamping mechanism includes: the luminance meter comprises a bottom plate 7 and a vertical plate 8 vertically arranged on the bottom plate 7, wherein a pressure claw 9 is hinged to one side, facing the luminance meter 10, of the vertical plate 8 through a torsion spring. The press claw 9 has a downward elastic restoring force by pressing the liquid crystal display module 11 downward.
In this embodiment, in order to further improve the limit action on the liquid crystal display module 11, it is preferable that stoppers 12 are attached to the bottom plate 7 on both sides of the liquid crystal display module 11 by screws. The bottom plate 7 is provided with a plurality of threaded holes, so that the assembly at different positions can be carried out according to different positions of the stop block 12.
In this embodiment, in order to avoid the stopper 12 from pressing and damaging the liquid crystal display module 11, it is preferable that a rubber layer is provided on a side of the stopper 12 facing the liquid crystal display module 11.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. The utility model provides a test luminance homogeneity frock fast, its characterized in that, test luminance homogeneity frock fast includes: the automatic-walking device comprises an X-axis guide rail and a Y-axis guide rail which are vertical to each other and are arranged horizontally, wherein a first self-walking sliding block (5) is arranged on the X-axis guide rail, and a brightness meter (10) is arranged on the first self-walking sliding block (5);
the Y-axis guide rail is provided with a second self-walking sliding block (6), the second self-walking sliding block (6) is provided with a lifting platform which vertically stretches along the Z-axis direction, and the lifting platform is provided with a quick clamping mechanism for clamping the liquid crystal display module (11).
2. The tool for rapidly testing the brightness uniformity according to claim 1, wherein the X-axis guide rail comprises: first base plate (1) with install in first guide rail strip (4) on first base plate (1), the bottom cover of first self-walking slider (5) is located on first guide rail strip (4) and can be located sliding motion on first guide rail strip (4).
3. The tool for rapidly testing the brightness uniformity according to claim 1 or 2, wherein the Y-axis guide rail comprises: the second base plate (2) with install in second guide rail strip (3) on second base plate (2), the second is located from the bottom cover of walking slider (6) on second guide rail strip (3) and can be located sliding motion on second guide rail strip (3).
4. The tool for rapidly testing the brightness uniformity according to claim 1, wherein the lifting table comprises: the electric telescopic frame is installed between the second self-walking sliding block (6) and the table board, and the quick clamping mechanism is installed on the table board.
5. The tool for rapidly testing the brightness uniformity according to claim 1, wherein the rapid clamping mechanism comprises: the luminance meter comprises a bottom plate (7) and a vertical plate (8) vertically arranged on the bottom plate (7), wherein a pressure claw (9) is hinged to one side, facing the luminance meter (10), of the vertical plate (8) through a torsion spring.
6. The tool for rapidly testing the brightness uniformity according to claim 5, wherein stop blocks (12) are mounted on the bottom plate (7) at two sides of the liquid crystal display module (11) through screws.
7. The fixture for rapidly testing the brightness uniformity according to claim 6, wherein a rubber layer is arranged on one side of the stop block (12) facing the liquid crystal display module (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353924.9A CN111006759A (en) | 2019-12-25 | 2019-12-25 | Tool for rapidly testing brightness uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353924.9A CN111006759A (en) | 2019-12-25 | 2019-12-25 | Tool for rapidly testing brightness uniformity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111006759A true CN111006759A (en) | 2020-04-14 |
Family
ID=70117902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911353924.9A Pending CN111006759A (en) | 2019-12-25 | 2019-12-25 | Tool for rapidly testing brightness uniformity |
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| Country | Link |
|---|---|
| CN (1) | CN111006759A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754078Y (en) * | 2004-11-16 | 2006-01-25 | 上海晨兴电子科技有限公司 | Operating table for chrominance, brightness, colour temperature and contrast ratio measurement |
| CN201955063U (en) * | 2010-12-28 | 2011-08-31 | 苏州弗士达科学仪器有限公司 | Automatic optical measurement instrument for liquid crystal display |
| CN202503612U (en) * | 2011-12-01 | 2012-10-24 | 北京牡丹视源电子有限责任公司 | Brightness detection apparatus of flat television |
| CN204168438U (en) * | 2014-10-23 | 2015-02-18 | 广州市光机电技术研究院 | A kind of high-definition camera composite characteristic checkout gear |
| CN108871785A (en) * | 2018-04-12 | 2018-11-23 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automobile instrument test bracket |
-
2019
- 2019-12-25 CN CN201911353924.9A patent/CN111006759A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754078Y (en) * | 2004-11-16 | 2006-01-25 | 上海晨兴电子科技有限公司 | Operating table for chrominance, brightness, colour temperature and contrast ratio measurement |
| CN201955063U (en) * | 2010-12-28 | 2011-08-31 | 苏州弗士达科学仪器有限公司 | Automatic optical measurement instrument for liquid crystal display |
| CN202503612U (en) * | 2011-12-01 | 2012-10-24 | 北京牡丹视源电子有限责任公司 | Brightness detection apparatus of flat television |
| CN204168438U (en) * | 2014-10-23 | 2015-02-18 | 广州市光机电技术研究院 | A kind of high-definition camera composite characteristic checkout gear |
| CN108871785A (en) * | 2018-04-12 | 2018-11-23 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automobile instrument test bracket |
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