18128470. QUANTUM DOT ELECTROLUMINESCENCE DEVICE simplified abstract (Samsung Electronics Co., Ltd.)

QUANTUM DOT ELECTROLUMINESCENCE DEVICE

Organization Name

Samsung Electronics Co., Ltd.

Inventor(s)

Yusaku Konishi of Yokohama (JP)

Takahiro Fujiyama of Yokohama (JP)

Fumiaki Kato of Yokohama (JP)

Keigo Furuta of Yokohama (JP)

Kiyohiko Tsutsumi of Suwon-si, Gyeonggi-do (KR)

Masashi Tsuji of Hwaseong-si, Gyeonggi-do (KR)

Takao Motoyama of Hwaseong-si, Gyeonggi-do (KR)

QUANTUM DOT ELECTROLUMINESCENCE DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18128470 titled 'QUANTUM DOT ELECTROLUMINESCENCE DEVICE

Simplified Explanation

The patent application describes a quantum dot electroluminescence device with design film thicknesses to improve the uniformity of the light emitting surface, resulting in enhanced luminous efficiency and light emitting lifespan.

• The device includes a hole transport layer, an electron transport layer, and a light emitting layer with a quantum dot having a core-shell structure.
• The hole transport layer consists of a polymer material and a low molecular material, with a residual film ratio of at least 95%.
• The design film thicknesses help suppress non-uniformity of the light emitting surface, leading to improved luminous efficiency and light emitting lifespan.

Potential Applications

This technology can be applied in:

• Display panels
• Lighting applications
• Optoelectronic devices

Problems Solved

This technology addresses:

• Non-uniformity of light emitting surfaces
• Low luminous efficiency in quantum dot electroluminescence devices

Benefits

The benefits of this technology include:

• Improved luminous efficiency
• Extended light emitting lifespan
• Enhanced uniformity of light emitting surfaces

Potential Commercial Applications

This technology has potential in:

• Consumer electronics
• Automotive lighting
• Medical devices

Possible Prior Art

One possible prior art could be the use of quantum dots in electroluminescence devices, but the specific design film thicknesses to improve uniformity and efficiency may be a novel aspect of this patent application.

Unanswered Questions

How does this technology compare to existing quantum dot electroluminescence devices in terms of efficiency and lifespan?

This article does not provide a direct comparison with existing technologies to assess the improvements offered by this innovation.

Are there any limitations or challenges in implementing this technology on a large scale for commercial production?

The article does not address any potential challenges or limitations that may arise when scaling up the production of these quantum dot electroluminescence devices for commercial applications.

Original Abstract Submitted

A device having design film thicknesses, to suppress non-uniformity of a light emitting surface, to provide a quantum dot electroluminescence device with good luminous efficiency and light emitting life-span, and to provide an excellent quantum dot electroluminescence device with luminous efficiency and light emitting life-span. A quantum dot electroluminescence device including a hole transport layer, an electron transport layer, and a light emitting layer disposed between the hole transport layer and the electron transport layer, wherein the hole transport layer includes a polymer material and a low molecular material, the light emitting layer includes a quantum dot having a core-shell structure, and a residual film ratio of the hole transport layer is greater than or equal to about 95%.