CN205483494U - Luminance detecting system of OLED device - Google Patents
Luminance detecting system of OLED device Download PDFInfo
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- CN205483494U CN205483494U CN201620002061.6U CN201620002061U CN205483494U CN 205483494 U CN205483494 U CN 205483494U CN 201620002061 U CN201620002061 U CN 201620002061U CN 205483494 U CN205483494 U CN 205483494U
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Abstract
The utility model discloses a luminance detecting system of OLED device, including a plurality of photoelectric sensor, OLED detection device, data collection card and microcontroller (MCU), it arranges in to be surveyed the OLED device OLED detection device is last, a plurality of photoelectric sensor are located the top of OLED device, photoelectric sensor with data collection card links to each other, data collection card links to each other with MCU. The utility model discloses a luminance value through being surveyed the OLED device converts the magnitude of voltage to, reaches MCU on a plurality of voltage signal that the rethread capture card will obtain, generates the brightness decay curve by this MCU after being averaged according to the data of gathering, can show from this brightness decay curve that this detecting system can effectively reduce the luminance measuring error of OLED device.
Description
Technical field
This utility model relates to Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) detection technique, particularly relates to the brightness detection system of a kind of OLED.
Background technology
OLED is a kind of active illuminating display device, utilizes this display device can make ultralight, ultra-thin, low-power consumption, high brightness, high-contrast and the high-resolution display with outstanding display performance.
As a kind of display device, it is required for the brightness of product is detected in reality research and development and production process.Existing OLED brightness measurement is measured generally by human at periodic intervals, but this metering system is owing to being affected by factors such as environment, screen body self-radiatings, causes measurement result to be forbidden, and error is bigger.
Utility model content
In view of this, main purpose of the present utility model is to provide the brightness detection system of a kind of OLED, use the brightness of multiple photoelectric sensor detection OLED (such as screen body etc.), by the brightness value of screen body is converted into magnitude of voltage, by capture card, the multiple voltage signals obtained are uploaded to microcontroller (MCU) again, brightness decay curve is generated by this MCU after being averaged according to the data gathered, can show from this brightness decay curve, this detecting system can effectively reduce the brightness measurement error of OLED.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
The brightness detection system of a kind of OLED, including multiple photoelectric sensors, OLED detection device, data collecting card and microcontroller (MCU)；Tested OLED is placed on described OLED detection device, and the plurality of photoelectric sensor is positioned at the top of described OLED, and described photoelectric sensor is connected with described data collecting card, and described data collecting card is connected with MCU.
Described photoelectric sensor is 0cm～50cm with the distance of OLED.Described photoelectric sensor is preferably 20cm～40cm with the distance of OLED.
The distribution density of described photoelectric sensor is the most every 9 square centimeters and arranges 1.The quantity of described photoelectric sensor is more than 2.
Wherein, described OLED detection device comprises heat sink.
Tested OLED is placed on described heat sink by fixture.
Described OLED is specially OLED screen body.
Described MCU, according to arranging termination test data, makes photoelectric sensor be automatically stopped work.
The brightness detection system of OLED provided by the utility model, has the advantage that
Its OLED detection device utilizes intelligent test to obtain OLED brightness decay curve, it is possible to reduces measurement error by many-valued test, thus realizes the Intelligent Measurement fast and accurately of OLED brightness.
Accompanying drawing explanation
Fig. 1 is the block diagram of the brightness detection system of the OLED of this utility model embodiment；
Fig. 2 is to utilize the brightness detection system of OLED shown in Fig. 1 to carry out OLED brightness decay curve's schematic diagram that intelligent test obtains.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment of the present utility model to OLED of the present utility model detection device be described in further detail.
Fig. 1 is the block diagram of the brightness detection system of the OLED of this utility model embodiment.
As it is shown in figure 1, the brightness detection system of this OLED, mainly include multiple photoelectric sensor, OLED detection device, data collecting card and microcontroller (MCU).Wherein:
Described OLED detection device (comprising heat sink), tested OLED (such as screen body etc.) is placed on heat sink by fixture, it is possible to prevent the brightness irregularities that heat radiation inequality causes.Multiple photoelectric conversion sensor is installed above this OLED.Described photoelectric conversion sensor is connected with capture card, and capture card is connected with MCU, and described MCU can be according to arranging termination test data, and described photoelectric sensor can be automatically stopped work.
Described photoelectric sensor is generally 0cm～50cm with the distance of OLED, preferably 20cm～40cm.The distribution density of described photoelectric sensor is the most every 9 square centimeters and arranges 1, and in this utility model embodiment, the quantity of photoelectric sensor at least needs more than 2.
Fig. 2 is to utilize the brightness detection system of OLED shown in Fig. 1 to carry out OLED brightness decay curve's schematic diagram that intelligent test obtains.
Utilize photoelectric conversion sensor that the brightness value of tested OLED is converted into magnitude of voltage, by capture card, the multiple voltage signals obtained are uploaded to MCU again, brightness decay curve is generated by this MCU after being averaged according to the data gathered, as shown in Figure 2, it is not difficult to find out from this brightness decay curve, the brightness detection system of OLED of the present utility model, can effectively reduce measurement error by the way of many-valued test.
The above, preferred embodiment the most of the present utility model, it is not intended to limit protection domain of the present utility model.
Claims (9)
1. the brightness detection system of an OLED, it is characterised in that include multiple photoelectric sensor, OLED detection device, data collecting card and microcontroller；Tested OLED is placed on described OLED detection device, and the plurality of photoelectric sensor is positioned at the top of described OLED, and described photoelectric sensor is connected with described data collecting card, and described data collecting card is connected with MCU.
The brightness detection system of OLED the most according to claim 1, it is characterised in that described photoelectric sensor is 0cm～50cm with the distance of OLED.
The brightness detection system of OLED the most according to claim 1, it is characterised in that described photoelectric sensor is 20cm～40cm with the distance of OLED.
The brightness detection system of OLED the most according to claim 1, it is characterised in that the distribution density of described photoelectric sensor is the most every 9 square centimeters and arranges 1.
5. according to the brightness detection system of the OLED described in claim 1 or 4, it is characterised in that the quantity of described photoelectric sensor is more than 2.
The brightness detection system of OLED the most according to claim 1, it is characterised in that described OLED detection device comprises heat sink.
The brightness detection system of OLED the most according to claim 6, it is characterised in that tested OLED is placed on described heat sink by fixture.
8. according to the brightness detection system of the arbitrary described OLED of claims 1 to 3, it is characterised in that described OLED is specially OLED screen body.
The brightness detection system of OLED the most according to claim 1, it is characterised in that described MCU, according to arranging termination test data, makes photoelectric sensor be automatically stopped work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002061.6U CN205483494U (en) | 2016-01-04 | 2016-01-04 | Luminance detecting system of OLED device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002061.6U CN205483494U (en) | 2016-01-04 | 2016-01-04 | Luminance detecting system of OLED device |
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|---|---|
| CN205483494U true CN205483494U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620002061.6U Active CN205483494U (en) | 2016-01-04 | 2016-01-04 | Luminance detecting system of OLED device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450005A (en) * | 2017-08-11 | 2017-12-08 | 安徽新瑞重工股份有限公司 | A kind of detection means on production line |
| CN107942554A (en) * | 2018-01-12 | 2018-04-20 | 京东方科技集团股份有限公司 | A kind of display screen detection device and preparation method thereof |
| CN111076812A (en) * | 2019-12-26 | 2020-04-28 | 惠州市华星光电技术有限公司 | Optical brightness measuring system and optical brightness measuring method |
| CN117289156A (en) * | 2023-11-23 | 2023-12-26 | 珠海格力电器股份有限公司 | Battery electric quantity prompting method and device of remote controller, controller and remote controller |
-
2016
- 2016-01-04 CN CN201620002061.6U patent/CN205483494U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450005A (en) * | 2017-08-11 | 2017-12-08 | 安徽新瑞重工股份有限公司 | A kind of detection means on production line |
| CN107942554A (en) * | 2018-01-12 | 2018-04-20 | 京东方科技集团股份有限公司 | A kind of display screen detection device and preparation method thereof |
| CN107942554B (en) * | 2018-01-12 | 2020-07-14 | 京东方科技集团股份有限公司 | Display screen detection device |
| CN111076812A (en) * | 2019-12-26 | 2020-04-28 | 惠州市华星光电技术有限公司 | Optical brightness measuring system and optical brightness measuring method |
| CN117289156A (en) * | 2023-11-23 | 2023-12-26 | 珠海格力电器股份有限公司 | Battery electric quantity prompting method and device of remote controller, controller and remote controller |
| CN117289156B (en) * | 2023-11-23 | 2024-04-26 | 珠海格力电器股份有限公司 | Battery electric quantity prompting method and device of remote controller, controller and remote controller |
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