Display panel and display apparatus

Patent metadata

Field	Value
Publication number	US-12538675-B2
Application number	US-202218268598-A
Country	US
Kind code	B2
Filing date	Jul 19, 2022
Priority date	Jul 19, 2022
Publication date	Jan 27, 2026
Grant date	Jan 27, 2026

Abstract

Provided are a display panel and a display apparatus. The display panel includes a substrate, a circuit structure layer, a light emitting structure layer and multiple transparent conductive layers. The transparent conductive layer is located between the circuit structure layer and the light emitting structure layer, and includes multiple first type conductive lines and multiple second type conductive lines. The portion of the first type conductive line extending along a first direction overlaps with an orthographic projection of the shield electrode on the substrate, and the portion of the second type conductive line extending along the first direction does not overlap with an orthographic projection of the shield electrode on the substrate.

First claim

The invention claimed is:

1 . A display panel comprising: a substrate, a circuit structure layer and a light emitting structure layer stacked on the substrate, and a plurality of conductive layers disposed between the circuit structure layer and the light emitting structure layer; wherein
the substrate comprises a first display region and a second display region, wherein the second display region is located on at least one side of the first display region, and the light transmittance rate of the first display region is greater than the light transmittance rate of the second display region; the circuit structure layer comprises: a first gate signal line located in the second display region, a constant voltage line, a plurality of shield electrodes and a plurality of pixel circuits, wherein the pixel circuit comprises a drive transistor, the drive transistor comprises a gate, and the plurality of pixel circuits comprise a plurality of first pixel drive circuits; the first gate signal line is connected to the gate of the drive transistor; the constant voltage line is configured to provide a first constant voltage to the plurality of pixel circuits; the shield electrode is connected to the constant voltage line, and an orthographic projection of the first gate signal line on the substrate falls into an orthographic projection of the shield electrode on the substrate; the plurality of conductive layers comprise: a plurality of conductive lines, the plurality of conductive lines comprise a plurality of first type conductive lines and a plurality of second type conductive lines, an orthographic projection of a portion of the first type conductive line extending along a first direction on the substrate overlaps with an orthographic projection of at least one of the plurality of shield electrodes on the substrate, and an orthographic projection of a portion of the second type conductive line extending along the first direction on the substrate does not overlap with an orthographic projection of the plurality of shield electrodes on the substrate; and the light emitting structure layer comprises a plurality of first light emitting devices located in the first display region, the plurality of first light emitting devices comprise a plurality of first type first light emitting devices and a plurality of second type first light emitting devices, at least one of the plurality of first type first light emitting devices is connected to at least one of the plurality of first pixel drive circuits through at least one of the plurality of first type conductive lines, at least one of the plurality of second type first light emitting devices is connected to at least one of the plurality of first pixel drive circuits through at least one of the plurality of second type conductive lines, the first pixel drive circuit is configured to drive the first light emitting device to emit light, the first type first light emitting device is configured to emit light of a first color, the second type light emitting device is configured to emit light of a second color, and the light of the second color is different from the light of the first color.

2 . The display panel according to claim 1 , wherein
the plurality of first light emitting devices of the first display region comprise a plurality of groups of first light emitting devices, the first light emitting devices in each of the plurality of groups of first light emitting devices are arranged along the first direction, the plurality of groups of first light emitting devices are arranged along a second direction, and the second direction intersects with the first direction; and in at least one group of first light emitting devices, a plurality of first pixel drive circuits electrically connected to the plurality of first type first light emitting devices are closer to the first display region than each of a plurality of first pixel drive circuits electrically connected to the plurality of second type first light emitting devices.

3 . The display panel according to claim 2 , wherein
the plurality of conductive layers comprise a first transparent conductive layer, a second transparent conductive layer, and a third transparent conductive layer arranged in sequence along a side away from the substrate; and the first transparent conductive layer comprises a plurality of first transparent conductive lines, the second transparent conductive layer comprises a plurality of second transparent conductive lines, and the third transparent conductive layer comprises a plurality of third transparent conductive lines.

4 . The display panel according to claim 3 , wherein
in at least one group of first light emitting devices in the first display region, a plurality of first type first light emitting devices close to the center of the first display region are electrically connected to a plurality of first pixel drive circuits through the first transparent conductive line, and a plurality of first type first light emitting devices close to the edge of the first display region are electrically connected to a plurality of first pixel drive circuits through the third transparent conductive line.

5 . The display panel according to claim 3 , wherein
in at least one group of first light emitting devices in the first display region, a plurality of first type first light emitting devices close to the center of the first display region are electrically connected to a plurality of first pixel drive circuits through the first transparent conductive line, and a plurality of first type first light emitting devices close to an edge of the first display region are electrically connected to a plurality of first pixel drive circuits through the second transparent conductive line.

6 . The display panel according to claim 3 , wherein
in at least one group of first light emitting devices in the first display region, a plurality of first type first light emitting devices close to the center of the first display region are electrically connected to a plurality of first pixel drive circuits through the second transparent conductive line, and a plurality of first type first light emitting devices close to the edge of the first display region are electrically connected to a plurality of first pixel drive circuits in the second display region through the first transparent conductive line.

7 . The display panel according to claim 3 , wherein
in at least one group of first light emitting devices in the first display region, a plurality of first type first light emitting devices close to the center of the first display region are electrically connected to a plurality of first pixel drive circuits through the third transparent conductive line, and a plurality of first type first light emitting devices close to the edge of the first display region are electrically connected to a plurality of first pixel drive circuits in the second display region through the first transparent conductive line.

8 . The display panel according to claim 4 , wherein
in at least one group of first light emitting devices in the first display region, a plurality of second type first light emitting devices close to the center of the first display region are electrically connected to a plurality of first pixel drive circuits through the first transparent conductive line, and a plurality of second type first light emitting devices close to the edge of the first display region are electrically connected to a plurality of first pixel drive circuits through the third transparent conductive line.

9 . The display panel according to claim 4 , wherein
in the at least one group of first light emitting devices of the first display region, the transparent conductive line electrically con

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• Lu Yanwei
• Wang Binyan
• Li Shiqi
• Cai Jianchang
• Huang Yao

Classifications

• H10K59/1213 Primary

  the pixel elements being TFTs · CPC title

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title

• H10K59/126

  Shielding, e.g. light-blocking means over the TFTs · CPC title

• G09G3/3225

  using an active matrix · CPC title

• H10K50/10 Primary

  OLEDs or polymer light-emitting diodes [PLED] · CPC title