OLED Display Transmissive Regions for Functional Module Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing organic light emitting diode (OLED) display devices face challenges in integrating functional modules without compromising display functionality, as forming openings for these modules can damage the device and obstruct image display.
Innovation Solution
The OLED display device incorporates a design with a lower substrate featuring sub-pixel regions and transmissive regions, allowing for the inclusion of functional modules without openings, where the light emitting layer and upper electrode are omitted from transmissive regions, enabling external light propagation and module operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If openings are formed in the OLED display device to integrate functional modules, then functional modules can be included, but the display device may be damaged and image display is obstructed
Solution Approach 1:
The OLED display device is divided into a display region and a first module region. The first module region includes sub-pixel regions with light emitting structures and transmissive regions without light emitting structures, allowing functional modules to be integrated in the transmissive regions without forming openings that would damage the display device
Solution Approach 2:
Different regions of the OLED display device have different properties: the display region has light emitting structures for image display, while the transmissive regions have no light emitting structures to allow light transmission to functional modules. This local differentiation enables both display functionality and functional module integration without damage
2Adaptability or versatility
If openings are formed in the OLED display device to integrate functional modules, then functional modules can be included, but image display is obstructed at the opening location
Solution Approach 1:
The device is segmented into display region and first module region with transmissive regions. Functional modules are integrated in the transmissive regions which do not participate in image display, thereby preserving the full display area while enabling functional module integration
Solution Approach 2:
The functional modules are integrated in a different spatial dimension (the first module region with transmissive regions) rather than creating openings in the display region, allowing both functions to coexist without compromising display area
3Illumination intensity
If the light emitting layer and upper electrode are omitted from transmissive regions, then external light can propagate to functional modules, but the structure becomes more complex
Solution Approach 1:
The light emitting layer and upper electrode are selectively omitted only in the transmissive regions while being present in the display region. This local differentiation allows external light to propagate to functional modules in transmissive regions while maintaining normal light emission in the display region, achieving the desired function without excessive structural complexity
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 design enables the integration of functional modules like camera and sensor modules without damaging the OLED display, allowing for image display in other regions and efficient light propagation to functional modules, enhancing the device's functionality and reliability.
Implementation Method 1
a light emitting layer, and an upper electrode... The light emitting layer is disposed on the lower electrodes
Data Source
AI summary
An organic light emitting diode display device includes a lower substrate, a plurality of lower electrodes, a light emitting layer, an upper electrode, and a first functional module. The lower substrate includes a first module region that includes sub-pixel regions and transmissive regions, and a display region that surrounds the first module region and includes the sub-pixel regions. The lower electrodes are respectively disposed on the lower substrate in the sub-pixel regions in the first module region. The light emitting layer is disposed on the lower electrodes, and includes a first opening between two adjacent lower electrodes. The upper electrode is disposed on the light emitting layer, and includes a second opening that overlaps the first opening. The first functional module is disposed on a bottom surface of the lower substrate in the first module region.