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公开(公告)号：EP4131453A1
公开(公告)日：2023-02-08
申请号：EP21758299.8
申请日：2021-03-15
发明人： LU, Jiangnan , LIU, Libin , ZHANG, Jie , LI, Mei , QIAN, Yuhan , SHI, Shiming
摘要： The present disclosure provides a display panel, a method of manufacturing the same and a display device. The display substrate includes: a substrate, an auxiliary cathode layer, a first insulating layer, an anode layer, a second insulating layer, and a cathode layer that are sequentially stacked on the substrate in a direction away from the substrate; the anode layer includes a plurality of anode patterns spaced apart from each other, and an anode spacing area is formed between adjacent anode patterns; an orthographic projection of the auxiliary cathode layer on the substrate and an orthographic projection of the cathode layer on the substrate have an auxiliary overlapping area, and the auxiliary cathode layer is electrically connected to the cathode layer through a connection via hole in the auxiliary overlapping area; an orthographic projection of the connection via hole on the substrate is located inside the orthographic projection of the anode spacing area on the substrate.
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公开(公告)号：EP4207166A1
公开(公告)日：2023-07-05
申请号：EP21947438.4
申请日：2021-06-29
发明人： LIU, Libin , LU, Jiangnan , SHI, Shiming , WANG, Li
IPC分类号： G09G3/3233 , H10K59/00
摘要： An array substrate and a display apparatus. The array substrate comprises a plurality of pixel driving circuits; each pixel driving circuit comprises a drive transistor, a first light emission control transistor, a compensation transistor, a first initialization transistor and a second initialization transistor; a first electrode of the first initialization transistor and a first electrode of the first light emission control transistor are connected to a first node; the first initialization transistor is configured to supply a first initialization signal to an anode of a light-emitting element by means of the first node; a first electrode of the second initialization transistor and a first electrode of the compensation transistor are connected to a second node; a second electrode of the first initialization transistor is configured to receive the first initialization signal; a cathode of the light-emitting element is configured to receive a first driving signal; and a difference between the potential of the first initialization signal and the potential of the first driving signal is less than 1.5 V. Thus, the array substrate may improve the problems of strobing and uneven brightness under low gray scales, and may improve the contrast ratio.
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3.发明公开
公开(公告)号：EP4141855A1
公开(公告)日：2023-03-01
申请号：EP20900758.2
申请日：2020-04-24
发明人： SHANG, Guangliang , LU, Jiangnan , ZHANG, Jie , FENG, Yu , LIU, Libin
IPC分类号： G09G3/20
摘要： A shift register unit and a method for driving the same, a gate driving circuit, and a display device. The shift register unit includes: a control circuit (10) coupled to an input signal terminal (IN), a clock signal terminal (CLK), and an output control terminal (GP), and configured to provide an output control signal to the output control terminal (GP) based on a signal from the input signal terminal (IN) and a signal from the clock signal terminal (CLK); and an output circuit (20) coupled to the output control terminal (GP), an output signal terminal (GO), and a threshold voltage control terminal (DG), and configured to provide an output signal to the output signal terminal (GP) under control of a potential at the output control terminal (GP), and adjust a threshold voltage of at least one of a plurality of transistors in the output circuit (20) under control of a signal from the threshold voltage control terminal.
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4.发明公开
公开(公告)号：EP4068263A1
公开(公告)日：2022-10-05
申请号：EP21796531.8
申请日：2021-04-22
发明人： SHANG, Guangliang , LU, Jiangnan , ZHANG, Jie , LIU, Libin , SHI, Shiming , WANG, Dawei
IPC分类号： G09G3/3266 , G11C19/28
摘要： Disclosed is a shift register circuit (RS), comprising a denoising control sub-circuit (20) and a denoising sub-circuit (30), wherein the denoising control sub-circuit (20) is configured to generate an alternating voltage signal according to the voltage of a first voltage end (VSS) and a signal from a second clock signal end (CB1) in response to a signal from a first clock signal end (CK1), and rectify the alternating voltage signal and then output same to a first denoising control node (PD-ox), so that the voltage of the first denoising control node (PD-ox) is maintained to be a voltage that enables the denoising sub-circuit (30) to be started; and the denoising sub-circuit (30) is configured to continuously be started under the control of the voltage of the first denoising control node (PD-ox), so as to denoise a scanning signal output end (Oput).
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公开(公告)号：EP4036900A1
公开(公告)日：2022-08-03
申请号：EP19947073.3
申请日：2019-09-25
发明人： SHANG, Guangliang , ZHENG, Can , LU, Jiangnan , DONG, Tian , LIU, Libin , HAN, Long , SHI, Shiming , WANG, Dawei
IPC分类号： G09G3/32
摘要： A shift register unit, a driving method, a gate driving circuit and a display device are provided. The shift register unit includes a first gate driving output circuit and a second gate driving output circuit. The first gate driving output circuit is used to output a first gate driving signal through the first gate driving signal output terminal; the second gate driving output circuit is used to generate a second gate driving signal outputted simultaneously with the first gate driving signal based on the first gate driving signal, a first clock signal and a second clock signal. In the present disclosure, the second gate driving output circuit is added, the first gate driving signal, the first clock signal, and the second clock signal are used to generate an inverted second gate driving signal, so that positive and negative switching control signals are generated by one stage of shift register unit.
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公开(公告)号：EP4131411A1
公开(公告)日：2023-02-08
申请号：EP21929594.6
申请日：2021-03-11
发明人： LIU, Libin , LU, Jiangnan
IPC分类号： H01L27/32
摘要： An array substrate and a display panel thereof, and a display device. The array substrate comprises a substrate (300) and multiple sub-pixels formed on the substrate (300), wherein the sub-pixels comprise pixel circuits, the pixel circuits comprise multiple transistors, and the multiple transistors comprise at least one oxide transistor. The array substrate further comprises an oxide semiconductor layer (340) which is formed on the substrate (300), wherein the oxide semiconductor layer (340) comprises a channel region of the oxide transistor; a first planarization layer (108) which is formed on the substrate (300) and covers at least a part of the oxide semiconductor layer (340), wherein the first planarization layer (108) has a recessed region (108a), at least a part of the orthographic projection of the recessed region (108a) on the substrate (300) is provided with an annular pattern at the outer side of the orthographic projection of the channel region of the oxide transistor on the substrate, the annular pattern is an annular through hole or an annular groove, and the orthographic projection of the annular pattern on the substrate surrounds the orthographic projection of the channel region of the oxide transistor on the substrate; and a blocking portion (3710) which is formed on a side of the first planarization layer (108) away from the substrate (300), wherein at least a part of the orthographic projection of the blocking portion (3710) on the substrate (300) is overlapped with the orthographic projection of the channel region covering the oxide transistor on the substrate, the orthographic projection of the blocking portion (3710) on the substrate is overlapped with at least a part of the orthographic projection of the recessed region on the substrate, and a recessed region of the annular pattern is filled with a part of the blocking portion (3710). The solution can improve the stability of a product.
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7.发明公开
公开(公告)号：EP4131243A1
公开(公告)日：2023-02-08
申请号：EP21930873.1
申请日：2021-03-19
发明人： SHANG, Guangliang , ZHENG, Can , LU, Jiangnan , QIAN, Yuhan , WANG, Li , LIU, Libin , SHI, Shiming , WANG, Dawei
IPC分类号： G09G3/3266 , G09G3/36 , G09G3/20 , G11C19/28
摘要： A shift register unit and a driving method, and a gate driving circuit and a display apparatus. The shift register unit comprises a second de-noising control circuit configured to adjust the level of a first de-noising control node so as to turn on a de-noising circuit. The second de-noising control circuit comprises: a first control circuit configured to transmit a first voltage to a second de-noising control node under the control of a first clock signal; a first coupling circuit configured to store the level of the second de-noising control node, and adjust the level of the second de-noising control node under the control of a second clock signal; a second coupling circuit configured to reduce an adjustment amount by which the first coupling circuit adjusts the level of the second de-noising control node; a transmission circuit configured to connect a first de-noising control node and the second de-noising control node so as to balance the level of the first de-noising control node and the level of the second de-noising control node; and a storage circuit configured to store the level of the first de-noising control node.
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公开(公告)号：EP4207326A1
公开(公告)日：2023-07-05
申请号：EP21938478.1
申请日：2021-04-30
发明人： LIU, Libin , SHI, Shiming , LU, Jiangnan , ZHU, Jianchao
摘要： A display substrate and a display device are provided, the display substrate includes: a substrate, and a power source layer, a conductive layer, and a cathode layer sequentially stacked on the substrate in a direction away from the substrate; the conductive layer includes first conductive patterns and second conductive patterns insulated from each other, the first conductive patterns are coupled to the power source layer, and the second conductive patterns are coupled to the cathode layer.
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公开(公告)号：EP4123634A1
公开(公告)日：2023-01-25
申请号：EP21932130.4
申请日：2021-03-24
发明人： LU, Jiangnan , SHANG, Guangliang , LIU, Libin , HAN, Long , FENG, Yu
IPC分类号： G09G3/3266 , H01L27/02
摘要： Provided are a display substrate and a display device. The display substrate comprises: a shift register unit, a first clock signal line, and a first power line. The shift register unit comprises a charge pump circuit; the charge pump circuit comprises a first capacitor, a first transistor, and a second capacitor; the charge pump circuit is electrically connected to a first input node and a first node, respectively; a first electrode plate of the first capacitor is connected to a first clock signal line, and a second electrode plate of the first capacitor is connected to the first input node; a first electrode plate of the second capacitor is connected to the first power line, and a second electrode plate of the second capacitor is connected to the first node; a gate of the first transistor is connected to a first electrode or a second electrode of the first transistor; an orthographic projection of the first capacitor on a base substrate is adjacent to an orthographic projection of the first transistor on the base substrate, and an orthographic projection of the second capacitor on the base substrate is adjacent to an orthographic projection of the first transistor on the base substrate.
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公开(公告)号：EP4006981A1
公开(公告)日：2022-06-01
申请号：EP19932235.5
申请日：2019-07-31
发明人： SUN, Kaipeng , QIU, Yuanyou , HUANG, Weiyun , LONG, Yue , ZENG, Chao , LU, Jiangnan , LIU, Libin , WANG, Hongli
IPC分类号： H01L27/32
摘要： The present disclosure discloses an electroluminescent display panel and a display device. The electroluminescent display panel includes a plurality of repeating units, each of which includes a first conductive layer, a first insulating layer including a first via hole, and an anode including a main body and an auxiliary portion electrically connected to each other. The first via hole exposes a portion of the first conductive layer, and the auxiliary portion is electrically connected to the first conductive layer through the first via hole; at least one of the plurality of repeating units includes a first-color sub-pixel, a second-color sub-pixel, and a third-color sub-pixel; the area of the main body of the third-color sub-pixel is larger than the area of the main body of the second-color sub-pixel and the area of the main body of the first-color sub-pixel; and an overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than an overlapping area between the main body of the second-color sub-pixel and the first conductive layer, and the overlapping area between the main body of the third-color sub-pixel and the first conductive layer is larger than an overlapping area between the main body of the first-color sub-pixel and the first conductive layer.
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