Display panel and display apparatus

Patent metadata

Field	Value
Publication number	US-2025237917-A1
Application number	US-202318699662-A
Country	US
Kind code	A1
Filing date	Jul 12, 2023
Priority date	Jul 12, 2023
Publication date	Jul 24, 2025
Grant date	—

Abstract

A display panel is provided. The display panel includes a plurality of subpixels, a plurality of antenna units, a color filter and a black matrix. The color filter includes a plurality of color filter blocks. An orthographic projection of a respective color filter block of the plurality of color filter blocks on a first base substrate at least partially overlaps with an orthographic projection of a third electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a fourth electrode on the first base substrate. An orthographic projection of the black matrix on the first base substrate at least partially overlaps with an orthographic projection of a first electrode on the first base substrate, and at least partially overlaps with an orthographic projection of a second electrode on the first base substrate.

First claim

1 . A display panel, comprising a plurality of subpixels and a plurality of antenna units;
wherein a respective antenna unit of the plurality of antenna units comprises a first base substrate, a first transistor on the first base substrate, a first electrode connected to the first transistor, and a second electrode; the display panel further comprises a liquid crystal layer extending through the plurality of subpixels and the plurality of antenna units; the first electrode and the second electrode are configured to apply an electric field across a portion of the liquid crystal layer; a respective subpixel of the plurality of subpixels comprises the first base substrate, a second transistor on the first base substrate, a third electrode connected to the second transistor, and a fourth electrode; the display panel further comprises a color filter and a black matrix; the color filter comprises a plurality of color filter blocks; an orthographic projection of a respective color filter block of the plurality of color filter blocks on the first base substrate at least partially overlaps with an orthographic projection of the third electrode on the first base substrate, and at least partially overlaps with an orthographic projection of the fourth electrode on the first base substrate; and an orthographic projection of the black matrix on the first base substrate at least partially overlaps with an orthographic projection of the first electrode on the first base substrate, and at least partially overlaps with an orthographic projection of the second electrode on the first base substrate.

2 . The display panel of claim 1 , wherein the orthographic projection of the black matrix on the first base substrate substantially covers the orthographic projection of the first electrode on the first base substrate, and substantially covers the orthographic projection of the second electrode on the first base substrate.

3 . The display panel of claim 1 , wherein an orthographic projection of the color filter on the first base substrate is substantially non-overlapping with the orthographic projection of the first electrode on the first base substrate, and is substantially non-overlapping with the orthographic projection of the second electrode on the first base substrate; and
the orthographic projection of the black matrix on the first base substrate is substantially non-overlapping with the orthographic projection of the third electrode on the first base substrate, and is substantially non-overlapping with the orthographic projection of the fourth electrode on the first base substrate.

4 . The display panel of claim 1 , further comprising a ground plate and a radiating plate spaced apart from each other;
wherein the orthographic projection of the black matrix on the first base substrate at least partially overlaps with an orthographic projection of the ground plate on the first base substrate.

5 . The display panel of claim 4 , wherein the orthographic projection of the black matrix on the first base substrate substantially covers the orthographic projection of the ground plate on the first base substrate.

6 . The display panel of claim 4 , wherein the orthographic projection of the ground plate on the first base substrate is substantially non-overlapping with the orthographic projection of the third electrode on the first base substrate, and is substantially non-overlapping with the orthographic projection of the fourth electrode on the first base substrate; and
the orthographic projection of the ground plate on the first base substrate at least partially overlaps with the orthographic projection of the first electrode on the first base substrate, and at least partially overlaps with the orthographic projection of the second electrode on the first base substrate.

7 . The display panel of claim 4 , wherein an orthographic projection of the color filter on the first base substrate at least partially overlaps with an orthographic projection of the radiating plate on the first base substrate.

8 . The display panel of claim 7 , wherein the orthographic projection of the radiating plate on the first base substrate partially overlaps with a portion of the black matrix in a region where the first electrode and the second electrode are absent.

9 . The display panel of claim 4 , wherein the orthographic projection of the radiating plate on the first base substrate is substantially non-overlapping with the orthographic projection of the first electrode on the first base substrate, and is substantially non-overlapping with the orthographic projection of the second electrode on the first base substrate; and
the orthographic projection of the radiating plate on the first base substrate at least partially overlaps with the orthographic projection of the third electrode on the first base substrate, and at least partially overlaps with the orthographic projection of the fourth electrode on the first base substrate.

10 . The display panel of claim 4 , wherein orthographic projection of the black matrix on the first base substrate at least partially overlaps with an orthographic projection of the radiating plate on the first base substrate.

11 . The display panel of claim 4 , wherein an orthographic projection of the radiating plate on the first base substrate is substantially non-overlapping with the orthographic projection of the first electrode on the first base substrate, and is substantially non-overlapping with the orthographic projection of the second electrode on the first base substrate; and
the orthographic projection of the radiating plate on the first base substrate is substantially non-overlapping with the orthographic projection of the third electrode on the first base substrate, and is substantially non-overlapping with the orthographic projection of the fourth electrode on the first base substrate.

12 . The display panel of claim 1 , comprising a light transmissive region, and an antenna region outside of the light transmissive region;
wherein the display panel comprises a transistor plate, a first conductive layer on the transistor plate, a first planarization layer on a side of the first conductive layer away from the transistor plate, a second conductive layer on a side of the first planarization layer away from the transistor plate, the liquid crystal layer on a side of the second conductive layer away from the transistor plate, a third conductive layer on a side of the liquid crystal layer away from the transistor plate, the color filter and the black matrix on a side of the third conductive layer away from the transistor plate, and a radiating plate and a ground plate on a side of the color filter and the black matrix away from the transistor plate; wherein the third electrode and the fourth electrode are configured to modulate a portion of the liquid crystal layer in the light transmissive region; and the first electrode and the second electrode are configured to modulate a portion of the liquid crystal layer in the antenna region.

13 . The display panel of claim 12 , wherein the first conductive layer comprises the fourth electrode in the light transmissive region and the first electrode in the antenna region.;
the fourth electrode and the first electrode are in a same layer; the second conductive layer comprises the third electrode in the light transmissive region and the second electrode in the antenna region; and the third electrode and the second electrode are in a same layer.

14 . The display panel of claim 12 , wherein the first conductive layer comprises the fourth electrode in the light transmissive region and the f

Assignees

• Boe Technology Group Co Ltd

Inventors

• Li Feifei
• Cui Zhao
• Li Zhengliang
• Hu hehe
• Zhao Kun
• Huang Jie
• Yao Nianqi
• He Jiayu
• Fu Xu
• Qu Feng

Classifications

• G02F1/134309

  characterised by their geometrical arrangement · CPC title

• G02F1/133514

  Colour filters · CPC title

• G02F1/133512

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• H01Q3/44

  varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element · CPC title

• H01Q1/243

  with built-in antennas · CPC title