CN203231885U - Area light source detection device - Google Patents
Area light source detection device Download PDFInfo
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- CN203231885U CN203231885U CN 201320265070 CN201320265070U CN203231885U CN 203231885 U CN203231885 U CN 203231885U CN 201320265070 CN201320265070 CN 201320265070 CN 201320265070 U CN201320265070 U CN 201320265070U CN 203231885 U CN203231885 U CN 203231885U
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Abstract
The utility model relates to a display technology and discloses an area light source detection device. The detection device comprises a power module, an information display module, a signal processing model and a light source acquisition plate, wherein a plurality of light acquisition units are arranged on the light source acquisition plate; the light acquisition units are connected with the signal processing module; the signal processing module is connected with the information display module; the power module is used for supplying power; and furthermore, the plurality of light acquisition units are in matrix distribution on the light source acquisition plate. With the provided detection device, the brightness of multi-points of an area light source may be acquired, at the same time a difference value calculation is automatically performed, a difference value is compared to a predetermined value, and a uniformity indicator is automatically accessed. Therefore, the detection device has the advantages of simplicity and practicality, low cost, high efficiency and high measurement precision.
Description
Technical field
The utility model relates to display technique, particularly relates to a kind of area source pick-up unit for display device.
Background technology
TFT-LCD shows in the product manufacturing, often needs the test backlight or be the display effect of LCD module, and testing show uniformity is an important quality requirements.Conventional test mode is to use a plurality of points of testing apparatus test surfaces light source, and according to the difference between the numerical evaluation each point of test, when difference can think that then this light source homogeneity is qualified during less than standard value.
Conventional method of testing needs the value of a plurality of points of test surfaces light source separately, and it is qualified to judge whether after comparing one by one afterwards by the artificial difference of calculating between each value, and with setting value.This method complicated operation, manual intervention is more, and measuring accuracy is lower, and work efficiency is low.
The utility model content
(1) technical matters that will solve
The purpose of this utility model provides a kind of area source pick-up unit, to improve measuring accuracy and work efficiency.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of area source pick-up unit, described pick-up unit comprises power module, information display module, signal processing module and light source collection plate, described light source collection plate is provided with a plurality of light collection unit, described light collection unit is connected with signal processing module, described signal processing module is connected with information display module, and described power module is used for power supply.
Further, a plurality of described light collection unit is matrix distribution on described light source collection plate.
Further, described light collection unit is optical sensor.
Further, described signal processing module comprises processor and signal conversion unit, the analog signal conversion that described signal conversion unit is used for described light collection unit is collected is digital signal, simultaneously digital signal is sent to described processor and carries out difference calculating and numeral comparison.
Further, described signal processing module also comprises signal amplification unit, and described signal amplification unit is used for the simulating signal amplification that described light collection unit is collected and sends to described signal conversion unit.
Further, described pick-up unit also comprises at least one button, and described button is connected with described signal processing module, controls the unlatching of described light collection unit or closes according to the area of measured light.
Further, described power module is accumulator or lithium battery or external power interface.
Further, described light source collection plate is black.
Further, the surface that contacts with measured light of described light source collection plate is soft material.
(3) beneficial effect
A kind of area source pick-up unit that technique scheme provides, the multiple spot brightness of gathering area source in can be at one time, and automatically in addition difference calculate and difference and preset value compared, assess out uniformity index automatically.This device is simple and practical, and cost is low, efficient is high, measuring accuracy is high.
Description of drawings
Fig. 1 is the fundamental diagram of the utility model preferred embodiment;
Fig. 2 is the structural representation of light source collection plate in the utility model;
Fig. 3 is synoptic diagram under a kind of duty of light source collection plate in the utility model;
Fig. 4 is that the utility model area source detects schematic diagram.
Wherein, 1, backlight; 2, measured light; 3, display panel; 4, power module; 5, information display module; 6, signal processing module; 61, processor; 62, signal conversion unit; 63, signal amplification unit; 7, light source collection plate; 71, light collection unit.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, a kind of area source pick-up unit of the present utility model, this pick-up unit comprises power module 4, information display module 5, signal processing module 6 and light source collection plate 7, power module 4 is used for power supply, light source collection plate 7 is provided with a plurality of light collection unit 71, light collection unit 71 is connected with signal processing module 6, and signal processing module 6 is connected with information display module 5.
In conjunction with shown in Figure 4, it is area source that measured light 2(are gathered in light collection unit 71) light signal of multiple spot passes to signal processing module 6, signal processing module 6 the multiple spot light signal is handled and automatically calculated difference and setting value compare, the result of comparison shows by information display module 5.Preferably, light collection unit 71 is optical sensor, can test luminance brightness in a big way, and the simulating signal of generation and light intensity have certain curved line relation, the value that can utilize this curved line relation to calculate light intensity or have the certain proportion relation with light intensity.Wherein, power module 4 can be accumulator or lithium battery or external power interface.Information display module 5 is preferably display panels, also can be other display panels such as Electronic Paper display panel.
Signal processing module 6 is as the core mainboard of whole device, it comprises processor 61 and signal conversion unit 62, the analog signal conversion that signal conversion unit 62 is used for light collection unit 71 is collected is the digital signal for processor 61 uses, simultaneously digital signal is sent to processor 61 and carries out difference calculating and difference and preset value are carried out the numeral comparison.Signal conversion unit 62 should use high-resolution modular converter, to improve the measuring accuracy of whole device.
In addition, signal processing module 6 also comprises signal amplification unit 63, and this signal amplification unit 63 is used for the simulating signal amplification that light collection unit 71 is collected and sends to signal conversion unit 62.Carried out generating available simulating signal after the special calculation process through signal amplification unit 63 by the simulating signal that optical sensor produces.
For the size according to the measured light 2 of backlight 1 outgoing realizes the adjustable number that the light collection unit is opened, pick-up unit of the present utility model also comprises at least one button 8, button 8 is connected with signal processing module 6, according to the unlatching of the area of measured light 2 control light collection unit 71 or close.As shown in Figure 3, the area of supposing measured light is the number of locations of the light collection unit 3 * 3 to the light source collection plate 7 only, regulates the area that the quantity of opening light collection unit 71 just in time covers whole measured lights by button; So, remaining light collection unit 71 is in closed condition and does not carry out light collection, makes signal processing module 6 only handle the light signal of gathering with the interior light collection unit 71 of area source areal extent.In like manner, can also select other as the sizes of putting to the proof to adapt to light source such as 2 * 3 or 3 * 4 or 4 * 4.
Light source collection plate 7 is black, because the material of black has more excellent absorption effects, can avoid the material color influence test effect of light source collection plate 7.The surface that light source collection plate 7 contacts with measured light 2 is soft material, scratches the display panel 3 of measured light to avoid light source collection plate 7.
In addition, pick-up unit of the present utility model can be integrated into portable, to be convenient for carrying and to detect.
A kind of area source pick-up unit that technique scheme provides, can test surfaces light-source brightness homogeneity, the detection backlight and the LCD that are mainly used in the LCD industry show in the detection, interior multiple spot brightness of gathering area source at one time, and automatically in addition difference calculate and difference and preset value compared, assess out uniformity index automatically.This device is simple and practical, and cost is low, efficient is high, measuring accuracy is high, is a hand-held device efficiently.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (10)
1. area source pick-up unit, it is characterized in that, described pick-up unit comprises power module, information display module, signal processing module and light source collection plate, described light source collection plate is provided with a plurality of light collection unit, described light collection unit is connected with signal processing module, described signal processing module is connected with information display module, and described power module is used for power supply.
2. area source pick-up unit as claimed in claim 1 is characterized in that, a plurality of described light collection unit is matrix distribution on described light source collection plate.
3. area source pick-up unit as claimed in claim 1 is characterized in that, described light collection unit is optical sensor.
4. as each described area source pick-up unit of claim 1-3, it is characterized in that, described signal processing module comprises processor and signal conversion unit, the analog signal conversion that described signal conversion unit is used for described light collection unit is collected is digital signal, simultaneously digital signal is sent to described processor and carries out difference calculating and numeral comparison.
5. area source pick-up unit as claimed in claim 4, it is characterized in that, described signal processing module also comprises signal amplification unit, and described signal amplification unit is used for the simulating signal amplification that described light collection unit is collected and sends to described signal conversion unit.
6. as each described area source pick-up unit of claim 1-3, it is characterized in that, described pick-up unit also comprises at least one button, and described button is connected with described signal processing module, controls the unlatching of described light collection unit or closes according to the area of measured light.
7. want 4 described area source pick-up units as right, it is characterized in that described pick-up unit also comprises at least one button, described button is connected with described signal processing module, controls the unlatching of described light collection unit or closes according to the area of measured light.
8. as each described area source pick-up unit of claim 1-3, it is characterized in that described power module is accumulator or lithium battery or external power interface.
9. as each described area source pick-up unit of claim 1-3, it is characterized in that described light source collection plate is black.
10. as each described area source pick-up unit of claim 1-3, it is characterized in that the surface that described light source collection plate contacts with measured light is soft material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265070 CN203231885U (en) | 2013-05-15 | 2013-05-15 | Area light source detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265070 CN203231885U (en) | 2013-05-15 | 2013-05-15 | Area light source detection device |
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| CN203231885U true CN203231885U (en) | 2013-10-09 |
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| CN 201320265070 Expired - Lifetime CN203231885U (en) | 2013-05-15 | 2013-05-15 | Area light source detection device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983429A (en) * | 2014-04-22 | 2014-08-13 | 常州市武进区半导体照明应用技术研究院 | Luminous surface brightness uniformity analyzing method |
| CN104581135A (en) * | 2013-10-28 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Light source brightness detection method and system |
| CN105222997A (en) * | 2015-09-29 | 2016-01-06 | 合肥京东方显示光源有限公司 | A kind of light source simulating device, test of light source system and method for testing |
| CN108489711A (en) * | 2018-03-27 | 2018-09-04 | 京东方科技集团股份有限公司 | display panel brightness homogeneity test device and method |
| CN109238459A (en) * | 2018-11-13 | 2019-01-18 | 惠州西电仲恺人工智能联合创新实验室有限公司 | The online vision detection system of LED luminance |
| CN112881897A (en) * | 2021-02-23 | 2021-06-01 | 深圳酷赛通信科技有限公司 | Backlight testing method and system of electronic equipment |
| CN113432841A (en) * | 2021-06-22 | 2021-09-24 | 广州市稀码通电子有限公司 | External collector for mobile phone camera contrast light source |
| CN117387755A (en) * | 2023-10-16 | 2024-01-12 | 深圳市永成光电子股份有限公司 | Blue light irradiation meter |
-
2013
- 2013-05-15 CN CN 201320265070 patent/CN203231885U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581135A (en) * | 2013-10-28 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Light source brightness detection method and system |
| CN103983429A (en) * | 2014-04-22 | 2014-08-13 | 常州市武进区半导体照明应用技术研究院 | Luminous surface brightness uniformity analyzing method |
| CN105222997A (en) * | 2015-09-29 | 2016-01-06 | 合肥京东方显示光源有限公司 | A kind of light source simulating device, test of light source system and method for testing |
| CN108489711A (en) * | 2018-03-27 | 2018-09-04 | 京东方科技集团股份有限公司 | display panel brightness homogeneity test device and method |
| CN109238459A (en) * | 2018-11-13 | 2019-01-18 | 惠州西电仲恺人工智能联合创新实验室有限公司 | The online vision detection system of LED luminance |
| CN112881897A (en) * | 2021-02-23 | 2021-06-01 | 深圳酷赛通信科技有限公司 | Backlight testing method and system of electronic equipment |
| CN113432841A (en) * | 2021-06-22 | 2021-09-24 | 广州市稀码通电子有限公司 | External collector for mobile phone camera contrast light source |
| CN117387755A (en) * | 2023-10-16 | 2024-01-12 | 深圳市永成光电子股份有限公司 | Blue light irradiation meter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |