OLED Light Source Integrated Photosensor
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Solution Overview
Problem
Current OLED light sources require external photosensitive sensors for remote sensing control, leading to increased complexity, cost, and poor control accuracy due to separate components and potential signal transmission issues.
Innovation Solution
Integration of a photosensitive sensor unit within the OLED light source, utilizing metal wires as sense electrodes and a drive electrode, allowing for internal light sensing without occupying additional space and maintaining compatibility with existing OLED structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If external photosensitive sensors are used for remote sensing control, then light sensing function is achieved, but device complexity increases
Solution Approach 1:
The patent combines the photosensitive sensor with the OLED light source by using the metal wires of the OLED structure as the sense electrode of the sensor. This integration eliminates the need for separate external photosensitive sensors while maintaining the remote sensing control function, thereby reducing device complexity.
2Adaptability or versatility
If external photosensitive sensors are used for remote sensing control, then light sensing function is achieved, but cost increases
Solution Approach 1:
The patent merges the photosensitive sensor with the OLED light source structure, utilizing existing metal wires as sense electrodes. This approach eliminates the need for additional external sensors and reduces manufacturing costs by leveraging the existing OLED structure.
Solution Approach 2:
The metal wires in the OLED structure serve dual functions: as electrical conductors for the OLED and as sense electrodes for the photosensitive sensor. This multi-functionality reduces the need for additional components and lowers manufacturing costs.
3Adaptability or versatility
If external photosensitive sensors are used for remote sensing control, then light sensing function is achieved, but control accuracy deteriorates
Solution Approach 1:
The patent integrates the photosensitive sensor with the OLED light source, allowing the sensor to be positioned closer to the light emission area. This integration improves control accuracy by enabling more precise detection of light signals and reducing the distance between the light source and sensor.
4Measurement precision
If photosensitive sensor is integrated within OLED light source, then control accuracy is improved, but manufacturing complexity increases
Solution Approach 1:
The patent combines the photosensitive sensor with the OLED light source structure, using the same metal wires for both OLED electrical connections and sensor sense electrodes. This integration actually simplifies manufacturing by reducing the number of separate components and assembly steps, despite improving control accuracy.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances remote sensing control accuracy and reduces costs by leveraging existing manufacturing processes, ensuring minimal impact on light emission and improving control effectiveness through integrated photosensitive sensors.
Implementation Method 1
the photosensitive sensor is configured to receive an external light signal through the opening
Data Source
AI summary
The present disclosure provides an OLED light source, a display device and a method for fabricating the same. The OLED light source includes: light emitting units including anodes arranged in an array; metal wires for connecting the anodes, which are disposed between the light emitting units; an photosensitive sensor disposed on the metal wires, the metal wires being as a sense electrode of the photosensitive sensor; a drive electrode provided on the photosensitive sensor; and an opening disposed at a position where the metal wires correspond to the drive electrode, wherein the photosensitive sensor receives an external light signal through the opening.