18151954. ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME simplified abstract (Samsung Display Co., Ltd.)
Contents
ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
Organization Name
Inventor(s)
Changmin Lee of Yongin-si (KR)
ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 18151954 titled 'ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
Simplified Explanation
An organic light-emitting device (OLED) is described in this patent application. The device consists of multiple pixel electrodes and a counter electrode. An interlayer is placed between the pixel electrodes and the counter electrode, which includes an emission layer and a hole transport region. The hole transport region contains a planarization layer made of an amine-based compound that has specific crystallization properties.
- The OLED has multiple pixel electrodes and a counter electrode.
- An interlayer is placed between the pixel electrodes and the counter electrode.
- The interlayer includes an emission layer and a hole transport region.
- The hole transport region contains a planarization layer made of an amine-based compound.
- The amine-based compound has a specific crystallization peak in an X-ray diffraction spectrum.
Potential applications of this technology:
- Display devices: The OLED technology can be used in the manufacturing of high-quality display screens for televisions, smartphones, and other electronic devices.
- Lighting: OLEDs can be used to create energy-efficient and flexible lighting solutions for various applications, including architectural lighting and automotive lighting.
- Wearable devices: The thin and flexible nature of OLEDs makes them suitable for integration into wearable devices such as smartwatches and fitness trackers.
Problems solved by this technology:
- Improved OLED performance: The specific amine-based compound used in the hole transport region helps enhance the performance and efficiency of the OLED device.
- Crystallization control: The crystallization peak of the amine-based compound allows for better control and stability of the OLED structure, leading to improved device performance and longevity.
Benefits of this technology:
- Enhanced device performance: The use of the specific amine-based compound in the OLED structure improves its overall performance, including brightness, color accuracy, and energy efficiency.
- Longer lifespan: The controlled crystallization provided by the amine-based compound helps increase the longevity of the OLED device, ensuring it can be used for an extended period without significant degradation.
- Versatile applications: The OLED technology can be applied to various devices and industries, providing flexibility and adaptability for different needs and requirements.
Original Abstract Submitted
An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.
