Quantum-dot display substrate and method for preparing the same, and display device
AssigneeBoe Technology Group Co., Ltd.
InventorBoris Kristal
Life of this patent
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Abstract
The present disclosure provides a quantum-dot display substrate, a method for preparing the same, and a display device. The quantum dot display substrate includes a first electrode, a second electrode, and a quantum-dot-emitting layer located between the first electrode and the second electrode, and the quantum-dot-emitting layer includes: a DNA single-stranded structure of a specific pattern, with quantum dots attached to the DNA single-stranded structure.
Claims17
A quantum dot display substrate, comprising a first electrode, a second electrode, and a quantum-dot-emitting layer located between the first electrode and the second electrode, wherein the quantum-dot-emitting layer comprises:
- a DNA single-stranded structure of a specific pattern, with quantum dots attached to the DNA single-stranded structure,
- wherein the DNA single-stranded structure of the specific pattern comprises:
- long single-stranded DNA molecules having a length of greater than 30 nm and less than 1000 microns, with a plurality of quantum dots in different colors attached to different long single-stranded DNA molecules respectively;
- and
- a staple DNA molecule, through which the long single-stranded DNA molecules are folded into the specific pattern,
- wherein the DNA single-stranded structure of the specific pattern comprises a plurality of DNA tile structures, and each of the plurality of DNA tile structures comprises:
- a plurality of first long single-stranded DNA molecules for forming a pattern scaffold of the specific pattern;
- a plurality of second staple DNA molecules connected to the plurality of first long single-stranded DNA molecules, with quantum dots in a same color attached to the plurality of second staple DNA molecules;
- a third staple DNA molecule connected to adjacent first long single-stranded DNA molecules;
- and
- a fourth staple DNA molecule connected to the plurality of first long single-stranded DNA molecules and located at an edge of the plurality of DNA tile structures,
- wherein each of the plurality of DNA tile structures is attached with quantum dots in a same color as one quantum dot unit,
- each of the plurality of second staple DNA molecules is a short single-stranded DNA molecule having a length of 18 to 22 bases, which is an internal staple connected to a quantum dot;
- the third staple DNA molecule is a short single-stranded DNA molecule having a length of 18 to 22 bases, which is a bridge staple for assembling the plurality of first long single-stranded DNA molecules together;
- the fourth staple DNA molecule is an edge staple modified with nucleotide extension and truncation to form donor and acceptor DNA molecules.
A method for preparing a quantum-dot display substrate, comprising forming a first electrode, a second electrode, and a quantum-dot-emitting layer located between the first electrode and the second electrode on a thin-film transistor array substrate, wherein the forming the quantum-dot-emitting layer comprises:
- forming a DNA single-stranded structure of a specific pattern, with quantum dots attached to the DNA single-stranded structure,
- wherein the DNA single-stranded structure of the specific pattern comprises:
- long single-stranded DNA molecules having a length of greater than 30 nm and less than 1000 microns, with a plurality of quantum dots in different colors attached to different long single-stranded DNA molecules respectively;
- and
- a staple DNA molecule, through which the long single-stranded DNA molecules are folded into the specific pattern,
- wherein the DNA single-stranded structure of the specific pattern comprises a plurality of DNA tile structures, and each of the plurality of DNA tile structures comprises:
- a plurality of first long single-stranded DNA molecules for forming a pattern scaffold of the specific pattern;
- a plurality of second staple DNA molecules connected to the plurality of first long single-stranded DNA molecules, with quantum dots in a same color attached to the plurality of second staple DNA molecules;
- a third staple DNA molecule connected to adjacent first long single-stranded DNA molecules;
- and
- a fourth staple DNA molecule connected to the plurality of first long single-stranded DNA molecules and located at an edge of the plurality of DNA tile structures,
- wherein each of the plurality of DNA tile structures is attached with quantum dots in a same color as one quantum dot unit,
- each of the plurality of second staple DNA molecules is a short single-stranded DNA molecule having a length of 18 to 22 bases, which is an internal staple connected to a quantum dot;
- the third staple DNA molecule is a short single-stranded DNA molecule having a length of 18 to 22 bases, which is a bridge staple for assembling the plurality of first long single-stranded DNA molecules together;
- the fourth staple DNA molecule is an edge staple modified with nucleotide extension and truncation to form donor and acceptor DNA molecules.
Dependencies are inferred from the claim text.