OLED Donor Substrate Double-Layer Light Absorption Structure

The patent employs a composite light absorption layer structure consisting of multiple layers with different materials and properties. Specifically, it uses a combination of a first light absorption layer (molybdenum or chromium), a buffer layer (transparent oxide film), and a second light absorption layer (molybdenum or chromium). This composite structure achieves high light absorptance by combining materials with complementary optical properties, where the buffer layer prevents reflection between the metal layers while the metal layers provide strong absorption.

The patent implements a nested multi-layer structure where the buffer layer is positioned between the first and second light absorption layers. This nested arrangement allows the light to interact with multiple absorption interfaces, with each layer contributing to the overall absorption. The buffer layer嵌套 (nested) within the light absorption structure serves to trap and redirect light, increasing the path length and absorption efficiency without significantly increasing the overall device complexity.

The composite light absorption layer structure with the buffer layer intermediate structure enables efficient thermal transfer to the organic material. The multiple layers work synergistically to convert light energy to heat more effectively, which then transfers to the organic material at a higher rate, improving productivity without complicating the manufacturing process beyond a reasonable extent.

The buffer layer acts as an intermediary between the light absorption layers and the organic material. It facilitates the transfer of thermal energy from the metal absorption layers to the organic material while maintaining structural integrity. This intermediary layer ensures efficient energy transfer, thereby improving the transfer rate of organic material during the manufacturing process.

The nested multi-layer structure with the buffer layer positioned between the absorption layers creates a more precise thermal transfer interface. This nested arrangement allows for better control of the thermal energy distribution, which directly impacts the resolution of the transferred organic material pattern. The additional interface provided by the buffer layer enables finer control over the transfer process, improving manufacturing precision.

The composite structure with different material properties (metal absorption layers and transparent oxide buffer layer) enables precise control over light absorption and heat distribution. This material composition allows the system to achieve high resolution by controlling the spatial distribution of thermal energy, ensuring that organic material is transferred only in the desired pattern areas with sharp boundaries.