CN-122028260-A - Detection system

CN122028260ACN 122028260 ACN122028260 ACN 122028260ACN-122028260-A

Abstract

The invention provides a detection system which comprises a detector, a control device and a control device, wherein the detector is positioned on a carrying platform of a test cavity, the test cavity is used for accommodating a tested light source, the carrying platform is perpendicular to the light propagation direction of the tested light source, the control device is respectively and electrically connected with the tested light source, the detector and the carrying platform, the detector is configured to obtain brightness information of the tested light source, and the control device is configured to switch the tested light source from current brightness to target brightness based on the brightness information.

Inventors

XUE JING
LI XIN
WANG SHIXIN
YANG XI
LUO CHAOYUE
SUN QI
YIN YANYAN
ZHANG JINGSHU
FAN LUYAO
WANG ZHIYONG

Assignees

京东方科技集团股份有限公司
北京京东方光电科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260213

Claims (10)

1. A detection system, comprising: The detector is positioned on a carrying platform of the test cavity, the test cavity is used for accommodating the tested light source, and the carrying platform is perpendicular to the light propagation direction of the tested light source; the control equipment is electrically connected with the tested light source, the detector and the carrier respectively; the control device is configured to switch the detected light source from the current brightness to the target brightness based on the brightness information.
2. The detection system of claim 1, wherein the control device is configured to: determining the current brightness of the tested light source based on the brightness information, switching the tested light source from the current brightness to the target brightness, and/or, The method comprises the steps of determining the current brightness of a detected light source based on brightness information, determining the difference value that the current brightness is lower than target brightness, controlling the carrying platform and/or the detected light source to move according to the difference value, reducing the distance between the detector and the detected light source, and switching the detected light source from the current brightness to the target brightness.
3. The detection system according to claim 1 or 2, wherein the detector comprises a detection plate, and a substrate, an antireflection film, and a privacy film on the light entrance side of the detection plate.
4. The detection system of claim 3, wherein the detector further comprises a protective film, wherein the substrate, the anti-reflection film, the anti-peeping film, and the protective film are disposed sequentially away from the light entrance side of the detection plate, or wherein the substrate, the anti-peeping film, the anti-reflection film, and the protective film are disposed sequentially away from the light entrance side of the detection plate.
5. The detecting system according to claim 3, wherein the detecting panel includes a plurality of pixels arranged in an array, a light sensing section provided corresponding to each pixel, an amplifier electrically connected to each light sensing section, and an analog-to-digital converter electrically connected to the amplifier, the light sensing section being configured to convert an optical signal of visible light from the light source under test at the corresponding pixel into an electrical signal, the amplifier being configured to amplify the electrical signal to obtain an amplified electrical signal, the analog-to-digital converter being configured to convert the amplified electrical signal into a digital signal.
6. The detection system of claim 5, wherein the detection plate comprises a substrate base plate and a thin film transistor positioned between the substrate base plate and the base, wherein the photosensitive portion is positioned on a side of the thin film transistor away from the substrate base plate and comprises a bottom electrode, a PIN layer and a top electrode which are sequentially positioned away from the substrate base plate, wherein the bottom electrode is electrically connected with a first pole of the thin film transistor, and wherein the detection plate further comprises a bias electrode positioned on a side of the top electrode away from the substrate base plate and a read signal line electrically connected with a second pole of the thin film transistor.
7. The probing system of claim 6, wherein the read signal line is located on a side of the bias electrode remote from the substrate, and an insulating layer is disposed between the read signal line and the bias electrode, the read signal line being electrically connected to the second electrode through a via penetrating the insulating layer.
8. The detection system of claim 6, wherein the read signal line is disposed in the same layer as the bias electrode.
9. The detection system according to any one of claims 4-8, wherein the detection panel has an area of greater than 50mm in a direction perpendicular to the light propagation direction of the visible light 50Mm, and less than 60mm 60mm。
10. The detection system according to any one of claims 1, 2, 4-8, wherein the control device is further configured to display the brightness information.

Description

Detection system Technical Field The invention relates to the technical field of optical testing, in particular to a detection system. Background Product performance evaluation typically requires the addition of a quantitative intensity of light to a chamber provided with a light source for relevant testing. However, the light source brightness may decay naturally over time, resulting in inaccurate correlation performance test results. Particularly, the influence on the photosensitive project is obvious, the development schedule of the product is delayed, and the experience of the customer is reduced due to the fact that the performance and the expectation are not consistent after the product is put into the market. How to effectively monitor the brightness of the light source and automatically adjust the brightness of the light source to the required brightness becomes a technical problem to be solved urgently. Disclosure of Invention The invention provides a detection system which is used for effectively monitoring the brightness of a light source and automatically adjusting the brightness of the light source to the required brightness. In a first aspect, an embodiment of the present invention provides a detection system, including: The detector is positioned on a carrying platform of the test cavity, the test cavity is used for accommodating the tested light source, and the carrying platform is perpendicular to the light propagation direction of the tested light source; the control equipment is electrically connected with the tested light source, the detector and the carrier respectively; the control device is configured to switch the detected light source from the current brightness to the target brightness based on the brightness information. In one possible implementation, the control device is configured to: determining the current brightness of the tested light source based on the brightness information, switching the tested light source from the current brightness to the target brightness, and/or, The method comprises the steps of determining the current brightness of a detected light source based on brightness information, determining the difference value that the current brightness is lower than target brightness, controlling the carrying platform and/or the detected light source to move according to the difference value, reducing the distance between the detector and the detected light source, and switching the detected light source from the current brightness to the target brightness. In one possible implementation, the detector includes a detection plate, and a substrate, an anti-reflection film, and a privacy film on the light entrance side of the detection plate. In one possible implementation manner, the detector further comprises a protective film, wherein the substrate, the anti-reflection film, the anti-peeping film and the protective film are sequentially arranged far away from the light incident side of the detection flat plate, or the substrate, the anti-peeping film, the anti-reflection film and the protective film are sequentially arranged far away from the light incident side of the detection flat plate. In one possible implementation manner, the detection panel comprises a plurality of pixels arranged in an array, a photosensitive part arranged corresponding to each pixel, an amplifier electrically connected with each photosensitive part, and an analog-to-digital converter electrically connected with the amplifier, wherein the photosensitive part is configured to convert an optical signal of visible light from the tested light source at the corresponding pixel into an electric signal, the amplifier is configured to amplify the electric signal to obtain an amplified electric signal, and the analog-to-digital converter is configured to convert the amplified electric signal into a digital signal. In one possible implementation manner, the detection flat plate comprises a substrate base plate and a thin film transistor positioned between the substrate base plate and the base, the photosensitive part is positioned on one side of the thin film transistor away from the substrate base plate and comprises a bottom electrode, a PIN layer and a top electrode which are sequentially positioned away from the substrate base plate, the bottom electrode is electrically connected with a first electrode of the thin film transistor, the detection flat plate further comprises a bias electrode positioned on one side of the top electrode away from the substrate base plate, and a reading signal line electrically connected with a second electrode of the thin film transistor. In one possible implementation, the read signal line is located on a side of the bias electrode away from the substrate, and an insulating layer is disposed between the read signal line and the bias electrode, and the read signal line is electrically connected to the second electrode through a via penetrating through the insulating la