US 2022/0019008 A1Published application

Color filter substrate, method of manufacturing the same, and display panel

AssigneesHefei Xinsheng Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.

InventorsChengpeng YAO, Lei GUO, Zhendong LI, Wei ZHANG, Xia SHI, Jiaqing LIU

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Abstract

A color filter (CF) substrate includes a CF structure disposed on a base, and multiple pixel regions each including multiple sub-pixel regions. The CF structure includes a nanostructure layer including multiple nanostructures and a light guide structure layer including multiple light guide structures, sequentially provided on the base. Each light guide structure is in a corresponding pixel region, and includes multiple light guide sub-portions. Each light guide sub-portion is in a corresponding sub-pixel region. Each sub-pixel region corresponds to a nanostructure, and each nanostructure is in a corresponding sub-pixel region. Each of the light guide sub-portions in one pixel region is configured such that light incident on the light guide sub-portions exits at different angles and enters into the nanostructure in the sub-pixel region corresponding thereto. Each nanostructure is configured such that light exiting from the sub-pixel region corresponding thereto has a predetermined color.

Claims20

Dependent claims

A color filter substrate, comprising:

a base;
and
a color filter structure on a side of the base,
wherein the color filter substrate comprises a plurality of pixel regions, and each of the plurality of pixel regions comprises a plurality of sub-pixel regions;
the color filter structure comprises a nanostructure layer and a light guide structure layer, the light guide structure layer is on a side of the nanostructure layer distal to the base, the light guide structure layer comprises a plurality of light guide structures, each of the plurality of light guide structures is in a corresponding one of the plurality of pixel regions, each of the plurality of light guide structures comprises a plurality of light guide sub-portions, each of the plurality of light guide sub-portions is in a corresponding one of the plurality of sub-pixel regions of the pixel region in which the light guide sub-portion is located, the nanostructure layer comprises a plurality of non-periodic nanostructures, each of the plurality of sub-pixel regions corresponds to at least one of the non-periodic nanostructures, and each of the plurality of non-periodic nanostructures is in a corresponding one of the plurality of sub-pixel regions;
and
each of the plurality of light guide sub-portions in a same pixel region is configured such that light incident respectively on the plurality of light guide sub-portions in the same pixel region exits at different angles and enters into the at least one non-periodic nanostructure in the sub-pixel region in which the light guide sub-portion is located, and each non-periodic nanostructure is configured to enable coupling and interference of light incident thereon such that light exiting from the sub-pixel region in which the non-periodic nanostructure is located has a predetermined color.

4 more elements

A method of manufacturing a color filter substrate, comprising:

forming a nanostructure layer and a light guide structure layer on a base, the light guide structure layer being on a side of the nanostructure layer distal to the base,
wherein the color filter substrate comprises a plurality of pixel regions, and each pixel region comprises a plurality of sub-pixel regions;
the light guide structure layer comprises a plurality of light guide structures, each of the plurality of light guide structures is in a corresponding one of the plurality of pixel regions, each of the plurality of light guide structures comprises a plurality of light guide sub-portions, each of the plurality of light guide sub-portions is in a corresponding one of the plurality of sub-pixel regions of the pixel region in which the light guide sub-portion is located, the nanostructure layer comprises a plurality of non-periodic nanostructures, each of the plurality of sub-pixel regions corresponds to at least one of the non-periodic nanostructure, and each of the plurality of non-periodic nanostructures is in a corresponding one of the plurality of sub-pixel regions;
and
each of the plurality of light guide sub-portions in a same pixel region is configured such that light incident respectively on the plurality of light guide sub-portions in the same pixel region exits at different angles and enters into the at least one non-periodic nanostructure in the sub-pixel region in which the light guide sub-portion is located, and each non-periodic nanostructure is configured to enable coupling and interference of light incident thereon such that light exiting from the sub-pixel region in which the non-periodic nanostructure is located has a predetermined color.

2 more elements

Dependencies are inferred from the claim text.