显示基板及其显示装置

Abstract

本公开的实施例提供了一种显示基板及其显示装置，涉及显示技术领域，用于改善残像表现，提升显示效果。该显示基板包括衬底、金属遮光层和半导体层。金属遮光层设置于衬底的一侧。金属遮光层包括遮光图案。半导体层设置于金属遮光层远离衬底的一侧。半导体层包括半导体图案，半导体图案包括沟道部和连接部。连接部与至少一个沟道部直接连接。其中，至少一个沟道部和直接连接的连接部在衬底上的正投影，位于遮光图案在衬底上的正投影的范围内。上述显示基板用于显示图像。

Claims

1. A display substrate, characterized by, include: Substrate; A metal light-shielding layer is disposed on one side of the substrate; the metal light-shielding layer includes a light-shielding pattern; A semiconductor layer is disposed on the side of the metal light-shielding layer away from the substrate; the semiconductor layer includes a semiconductor pattern, the semiconductor pattern including a channel portion and a connection portion, the connection portion being directly connected to at least one of the channel portions; wherein, the orthographic projection of at least one of the channel portions and the directly connected connection portion on the substrate is located within the range of the orthographic projection of the light-shielding pattern on the substrate.

2. The display substrate of claim 1, wherein, It also includes pixel circuitry, the pixel circuitry comprising: A driving sub-circuit is coupled to a first node, a second node, and a third node; the second node is coupled to a first power signal terminal, and the third node is coupled to a light-emitting device; the driving sub-circuit is configured to output a driving current signal to the third node according to the voltage of the first node during the light-emitting phase. A data writing sub-circuit is coupled to the second node, a data signal terminal, and a scan signal terminal; the data writing sub-circuit is configured to, during the data writing phase, write the data signal from the data signal terminal to the second node under the control of the scan signal from the scan signal terminal; A compensation sub-circuit is coupled to the first node, the third node, and the scan signal terminal; the compensation sub-circuit is configured to, during the data writing phase, transmit the data signal of the third node to the first node under the control of the scan signal from the scan signal terminal; wherein, the driving sub-circuit includes a transistor, the channel portion of the transistor of the driving sub-circuit, and the orthographic projection of the connection portion directly connected to the channel portion of the transistor of the driving sub-circuit on the substrate are located within the range of the orthographic projection of the light-shielding pattern on the substrate; and or, the compensation sub-circuit includes a transistor, the channel portion of the transistor of the compensation sub-circuit, and the orthographic projection of the connection portion directly connected to the channel portion of the transistor of the compensation sub-circuit on the substrate are located within the range of the orthographic projection of the light-shielding pattern on the substrate. 3.The display substrate of claim 2, wherein, The pixel circuit also includes: A first reset sub-circuit is coupled to the first node, a first reset signal terminal, and a first initialization signal terminal; the first reset sub-circuit is configured to, during the reset phase, transmit a first initialization signal from the first initialization signal terminal to the first node under the control of a first reset signal from the first reset signal terminal. The first reset circuit includes a transistor, a channel portion of the transistor in the first reset circuit, and a connection portion directly connected to the channel portion of the transistor in the first reset circuit. The orthogonal projection of the connection portion on the substrate is located within the range of the orthogonal projection of the light-shielding pattern on the substrate.

4. The display substrate of claim 1, wherein, The semiconductor pattern further includes an overlap portion, which is connected to the channel portion through the connecting portion; the orthographic projection of the semiconductor pattern on the substrate is located within the range of the orthographic projection of the light-shielding pattern on the substrate. 5.The display substrate of claim 1, wherein, The semiconductor layer further includes a first signal line, which is directly connected to the connection portion of the semiconductor pattern; the orthographic projection of the first signal line on the substrate is within the range of the orthographic projection of the light-shielding pattern on the substrate. 6.The display substrate according to any one of claims 1-5, characterized in that, Also includes: Multiple light-emitting devices are disposed on the side of the semiconductor layer away from the substrate; each light-emitting device includes a first electrode, the first electrode including an integrally disposed main body and a connecting part, and at least one orthogonal projection of the main body of the first electrode on the substrate is located within the range of the orthogonal projection of the light-shielding pattern on the substrate. 7.The display substrate of claim 6, wherein, The plurality of light-emitting devices include a variety of light-emitting devices with different light-emitting colors, and the orthographic projection of the main body of the first electrode of at least one of the light-emitting devices on the substrate is located within the range of the orthographic projection of the light-shielding pattern on the substrate. 8.The display substrate of claim 7, wherein, The plurality of light-emitting devices include a red light-emitting device, a blue light-emitting device, and a green light-emitting device; the orthographic projection of the main body of the first electrode of the green light-emitting device onto the substrate is located within the range of the orthographic projection of the light-shielding pattern onto the substrate. 9.The display substrate of claim 8, wherein, The light-blocking pattern includes: The first light-shielding part, the orthographic projection of the main body of the first electrode of the green light-emitting device on the substrate, is located within the range of the orthographic projection of the first light-shielding part on the substrate; The second light-shielding part, wherein the orthographic projection of the main body of the first electrode of the red light-emitting device on the substrate at least partially overlaps with the orthographic projection of the second light-shielding part on the substrate; The third light-shielding part, wherein the orthographic projection of the main body of the first electrode of the blue light-emitting device on the substrate at least partially overlaps with the orthographic projection of the third light-shielding part on the substrate.

10. The display substrate according to claim 9, characterized in that, The first light-shielding part has the same shape as the main body of the first electrode of the green light-emitting device; And / or, the orthographic projection of the main body of the first electrode of the red light-emitting device onto the substrate is located within the range of the orthographic projection of the second light-shielding part onto the substrate, and the second light-shielding part has the same shape as the main body of the first electrode of the red light-emitting device; And / or, the orthographic projection of the main body of the first electrode of the blue light-emitting device onto the substrate is located within the range of the orthographic projection of the third light-shielding part onto the substrate, and the third light-shielding part has the same shape as the main body of the first electrode of the blue light-emitting device. 11.The display substrate of claim 9, wherein, The orthographic projection of the main body of the first electrode of the green light-emitting device onto the substrate is a first rectangle, and the orthographic projection of the first light-shielding part onto the substrate is a second rectangle; the diagonal of the second rectangle is parallel to the long side of the first rectangle. 12.The display substrate of claim 11, wherein, The second light-shielding portion includes an integrally formed first sub-part and a second sub-part, wherein the orthographic projection of the first sub-part on the substrate is located within the range of the orthographic projection of the main body of the first electrode of the red light-emitting device on the substrate; The second sub-part is located outside the range of the orthographic projection of the main body of the first electrode of the red light-emitting device onto the substrate; And / or, the orthogonal projection of the third light-shielding portion onto the substrate is located within the range of the orthogonal projection of the main body portion of the first electrode of the blue light-emitting device onto the substrate. 13.The display substrate of claim 12, wherein, Includes a display area and a binding area, wherein, along the second direction, the binding area is located on one side of the display area; The main body of the first electrode of the red light-emitting device is projected onto the substrate in the form of a first rhombus, and the first diagonal of the first rhombus is perpendicular to the second direction. The first sub-region is the portion of the first rhombus projected onto the substrate that is away from the bonding area along the first diagonal. The first sub-region is the first sub-region in which the orthographic projection of the first sub-part is located. The second sub-region is the first sub-region in which the orthographic projection of the second sub-part is located on the side of the first sub-region away from the bonding area. And / or, The orthographic projection of the main body of the first electrode of the blue light-emitting device onto the substrate is a second rhombus, and the second diagonal of the second rhombus is perpendicular to the second direction; the portion of the orthographic projection of the second rhombus onto the substrate that is away from the bonding area on the second diagonal is a second sub-region, and the orthographic projection of the third light-shielding part onto the substrate is located in the second sub-region. 14.The display substrate of claim 11, wherein, The shape of the second light-shielding part is the same as that of the third light-shielding part, and the area of ​​the second light-shielding part is equal to that of the third light-shielding part. 15.The display substrate according to any one of claims 1-5, characterized in that, Also includes: A plurality of light-emitting devices are disposed on the side of the semiconductor layer away from the substrate; each light-emitting device includes a first electrode, the first electrode including a main body portion and a widened portion integrally disposed thereon, the widened portion surrounding at least a portion of the boundary of the main body portion.

16. A display substrate, comprising: include: Substrate; A metal light-shielding layer is disposed on one side of the substrate; the metal light-shielding layer includes a light-shielding pattern; Multiple light-emitting devices are disposed on the side of the light-shielding pattern away from the substrate; each light-emitting device includes a first electrode, the first electrode including a main body and a connecting part, and at least one of the main body of the first electrode is projected onto the substrate within the range of the projected light-shielding pattern onto the substrate. 17.The display substrate of claim 16, wherein, The plurality of light-emitting devices include a variety of light-emitting devices with different light-emitting colors, and the orthographic projection of the main body of the first electrode of at least one of the light-emitting devices on the substrate is located within the range of the orthographic projection of the light-shielding pattern on the substrate. 18.The display substrate of claim 16, wherein, The plurality of light-emitting devices include red light-emitting devices, blue light-emitting devices, and green light-emitting devices; The orthographic projection of the main body of the first electrode of the green light-emitting device onto the substrate is located within the range of the orthographic projection of the light-shielding pattern onto the substrate; The orthographic projection of the main body of the first electrode of the red light-emitting device and / or the blue light-emitting device onto the substrate at least partially overlaps with the orthographic projection of the light-shielding pattern onto the substrate. 19.The display substrate according to any one of claims 16-18, wherein, Also includes: A semiconductor layer is disposed between the metal light-shielding layer and the light-emitting device; the semiconductor layer includes a semiconductor pattern, the semiconductor pattern including a channel portion and a connection portion; the connection portion is directly connected to at least one of the channel portions; wherein, the orthographic projection of at least one of the channel portions and the directly connected connection portion on the substrate is located within the range of the orthographic projection of the light-shielding pattern on the substrate.

20. A display device comprising: include: The display substrate as described in any one of claims 1 to 19.

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