Samsung display co., ltd. (20240341162). PHOTOELECTRIC CONVERSION DEVICE AND DISPLAY DEVICE COMPRISING THE SAME simplified abstract

PHOTOELECTRIC CONVERSION DEVICE AND DISPLAY DEVICE COMPRISING THE SAME

Organization Name

samsung display co., ltd.

Inventor(s)

JUN YONG Shin of Yongin-si (KR)

SOUNG WOOK Kim of Yongin-si (KR)

HWA SOOK Ryu of Yongin-si (KR)

DONG KYU Seo of Yongin-si (KR)

SEOK GYU Yoon of Yongin-si (KR)

DAE HO Lee of Yongin-si (KR)

HYE JIN Jung of Yongin-si (KR)

YOUNG EUN Choi of Yongin-si (KR)

PHOTOELECTRIC CONVERSION DEVICE AND DISPLAY DEVICE COMPRISING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240341162 titled 'PHOTOELECTRIC CONVERSION DEVICE AND DISPLAY DEVICE COMPRISING THE SAME

The abstract describes a display device with light emitting portions and a sensing portion with a photoelectric conversion device.

• The photoelectric conversion device includes a first electrode, common electrode, hole injection layer, hole transport layer, resonance layer, and an active layer.
• The light emitting elements include a pixel electrode, common electrode, hole injection layer, hole transport layer, resonance layer, and a light emitting layer.
• The thickness of the resonance layers in the light emitting elements varies, with one element having the same thickness as the resonance layer.

• • Key Features and Innovation:**

• Incorporation of a sensing portion with a photoelectric conversion device in a display device.
• Stacking of different layers including hole injection, transport, resonance, and active layers in the photoelectric conversion device and light emitting elements.
• Variation in the thickness of resonance layers in the light emitting elements for improved performance.

• • Potential Applications:**

• Display devices with enhanced sensing capabilities.
• Advanced lighting systems with efficient light emitting elements.

• • Problems Solved:**

• Improved functionality and performance of display devices.
• Enhanced sensitivity and response in sensing portions.

• • Benefits:**

• Higher quality display output.
• Increased efficiency in light emission.
• Enhanced sensing capabilities.

• • Commercial Applications:**

Potential commercial applications include:

• Smartphones and tablets for improved display quality.
• Lighting systems for energy-efficient and high-performance lighting solutions.

• • Questions about the Technology:**

1. How does the variation in thickness of the resonance layers impact the performance of the display device? 2. What are the specific advantages of incorporating a sensing portion with a photoelectric conversion device in a display device?

Original Abstract Submitted

embodiments of a display device include a plurality of light emitting portions including a plurality of light emitting elements; and a sensing portion including a photoelectric conversion device, wherein the photoelectric conversion device includes a first electrode, common electrode facing the first electrode, and a hole injection layer, hole transport layer, resonance layer, and an active layer stacked between the first electrode and the common electrode, and wherein the light emitting elements include, a pixel electrode, the common electrode facing the pixel electrode, and the hole injection layer, hole transport layer, resonance layer, and a light emitting layer stacked between the pixel electrode and the common electrode, wherein a thickness of each of the resonance layers of light emitting elements are different from each other, and a thickness of the resonance layer of a light emitting element is the same as a thickness of the resonance layer.