公开(公告)号：US20150339973A1

公开(公告)日：2015-11-26

申请号：US14426803

申请日：2014-04-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan WU ,  Baojiang ZHANG ,  Liye DUAN

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G3/3233 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2320/043 ,  G09G2320/045

Abstract: Provided are a pixel circuit and driving method thereof and a display apparatus. The pixel circuit comprises a first transistor (T1), a second transistor (T2), a third transistor (T3), a storage capacitor (C1), a parasitic capacitor (C2) and a light emitting device (L). A first electrode of the first transistor (T1) is connected to a first power source signal terminal, and its second electrode is connected to a first electrode of the third transistor (T3); the gate of the second transistor (T2) is connected to a first control signal terminal (S1), its first electrode is connected to a data signal terminal (DATA), and its second electrode is connected to the gate of the first transistor (T1); the gate of the third transistor (T3) is connected to a second control signal terminal (S2), and its second electrode is connected to one terminal of the light emitting device (L); one terminal of the storage capacitor (C1) is connected to the gate of the first transistor (T1), and the other terminal of the storage capacitor is connected to one terminal of the light emitting device (L); one terminal of the parasitic capacitor (C2) is connected to one terminal of the light emitting device (L), and the other terminal of the parasitic capacitor (C2) is connected to the other terminal of the light emitting device (L); and the other terminal of the light emitting device (L) is also connected to a second power source signal terminal (ELVSS). The pixel circuit can effectively compensate for the threshold voltage shift of the TFTs and improve the display effect.

Abstract translation: 提供了像素电路及其驱动方法和显示装置。 像素电路包括第一晶体管（T1），第二晶体管（T2），第三晶体管（T3），存储电容器（C1），寄生电容器（C2）和发光器件（L）。 第一晶体管（T1）的第一电极连接到第一电源信号端子，并且其第二电极连接到第三晶体管（T3）的第一电极; 第二晶体管（T2）的栅极连接到第一控制信号端子（S1），其第一电极连接到数据信号端子（DATA），其第二电极连接到第一晶体管（T1）的栅极 ）; 第三晶体管（T3）的栅极连接到第二控制信号端子（S2），并且其第二电极连接到发光器件（L）的一个端子; 存储电容器（C1）的一个端子连接到第一晶体管（T1）的栅极，并且存储电容器的另一个端子连接到发光器件（L）的一个端子; 寄生电容器（C2）的一个端子连接到发光器件（L）的一个端子，而寄生电容器（C2）的另一个端子连接到发光器件（L）的另一个端子; 并且发光装置（L）的另一个端子也连接到第二电源信号端子（ELVSS）。 像素电路可以有效地补偿TFT的阈值电压偏移并提高显示效果。

公开(公告)号：US20240168325A1

公开(公告)日：2024-05-23

申请号：US17778864

申请日：2021-06-15

Applicant: Beijing BOE Technology Development Co., Ltd ,  BOE Technology Group Co., Ltd.

Inventor： Long WANG ,  Yidan PENG ,  Tuo SUN ,  Kui LIANG ,  Liye DUAN ,  Guangkui QIN

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/137 ,  H01L27/12

CPC classification number: G02F1/133512 ,  G02F1/134345 ,  G02F1/1368 ,  G02F1/13775 ,  H01L27/124 ,  G02F2203/01

Abstract: A display panel and a preparation method therefor, and a display device are provided. The display panel includes first and second substrates oppositely provided, and a polymer-stabilized liquid crystal layer; multiple sub-pixels include at least one first sub-pixel emitting light from a side of the second substrate away from the first substrate and at least one second sub-pixel emitting light from a side of the first substrate away from the second substrate; the first substrate in a first sub-pixel has a first shielding pattern, and an orthographic projection of the pixel electrode therein on a display panel plane is within that of the first shielding pattern on the first substrate; the second substrate in a second sub-pixel has a second shielding pattern, and an orthographic projection of the pixel electrode therein on the display panel plane is within that of the second shielding pattern on the second substrate.

公开(公告)号：US20230168396A1

公开(公告)日：2023-06-01

申请号：US17921589

申请日：2021-05-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangbo CHEN ,  Fanli MENG ,  Tuo SUN ,  Zeyuan LI ,  Liye DUAN

IPC: G01T1/24 ,  H01L27/146

CPC classification number: G01T1/246 ,  G01T1/247 ,  H01L27/14659

Abstract: A photoelectric detection circuit and a driving method therefor, and a detection substrate and a ray detector. The photoelectric detection circuit includes a storage circuit (101), an amplification circuit (102), a first reading circuit (103) and a second reading circuit (104), where the storage circuit (101), the amplification circuit (102) and the first reading circuit (103) cooperate with one another to realize a photoelectric detection function in an active mode; and the storage circuit (101) and the second reading circuit (104) cooperate with each other to realize a photoelectric detection function in a passive mode.

公开(公告)号：US20220165764A1

公开(公告)日：2022-05-26

申请号：US17516206

申请日：2021-11-01

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangbo CHEN ,  Yao LU ,  Liye DUAN ,  Tuo SUN

IPC: H01L27/146 ,  H01L27/28 ,  G01T1/20

Abstract: An X-ray flat panel detector, a method for manufacturing the X-ray flat panel detector, a detection device and an imaging system are provided. The X-ray flat panel detector includes: a substrate; a back plate layer arranged on the substrate and including a plurality of thin film transistors, each thin film transistor including a source/drain electrode layer; a wiring layer arranged at a side of the back plate layer distal to the substrate and including a plurality of connection lines; and a photosensitive element layer arranged at a side of the wiring layer distal to the substrate and including first electrodes. Each first electrode is electrically connected to the source/drain electrode layer of a corresponding thin film transistor through a corresponding connection line, and an orthogonal projection of the first electrode onto the substrate does not overlap an orthogonal projection of the corresponding thin film transistor onto the substrate.

公开(公告)号：US20210295797A1

公开(公告)日：2021-09-23

申请号：US17264325

申请日：2020-05-28

Applicant: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye DUAN ,  Zongmin LIU ,  Long WANG ,  Mengjun HOU ,  Yao LU

IPC: G09G3/36 ,  G09G3/3275 ,  G09G3/3266

Abstract: A display panel and a driving method thereof, and a display device are provided. The display panel includes a first display region, a second display region, and a control device. The first display region is on a side of the second display region, and the second display region includes N display sub-regions; and the control device is connected to the first display region and the second display region, respectively, and configured to control display of the first display region and display of the second display region in i time intervals within one frame period, and sequentially control the display of the first display region and display of an i-th display sub-region in the second display region in an i-th time interval, wherein 1≤i≤N, and N is a positive integer greater than or equal to 3.

公开(公告)号：US20210166644A1

公开(公告)日：2021-06-03

申请号：US16826254

申请日：2020-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mengjun HOU ,  Yidan PENG ,  Jijing HUANG ,  Zongmin LIU ,  Liye DUAN

IPC: G09G3/36 ,  G02F1/13357 ,  G02F1/1362

Abstract: The present disclosure provides a display device and a driving method. The display device includes a display panel and a backlight module, where the display panel includes a plurality of display regions, the backlight module includes x light sources, each of the plurality of display regions corresponds to one of the light sources, each of the light sources includes a plurality of light emitting units which emit light of different colors, and x is a positive integer not smaller than 2. The driving method includes, after loading data signals to subpixels in one of the display regions, turning on a light emitting unit corresponding to the one of the display regions and at the same time, loading datap signals to subpixels in a next one of the display regions which is adjacent to the one of the display regions.

公开(公告)号：US20210065605A1

公开(公告)日：2021-03-04

申请号：US16829445

申请日：2020-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zongmin LIU ,  Liye DUAN ,  Mengjun HOU

IPC: G09G3/20

Abstract: A display panel includes: a first display area, including a plurality of first pixel units, wherein each of the first pixel units is provided with a first pixel driving circuit; a second display area, comprising a plurality of second pixel units, wherein the second pixel unit comprises a plurality of second sub-pixel units, and each of the second sub-pixel units is provided with a second sub-pixel driving circuit; and a plurality of switching units located within the second sub-pixels, wherein the switching units are connected between the second sub-pixel driving circuit and the corresponding source driving signal output terminal, and are configured to transmit, under control of a control signal, a data signal of the source driving signal output terminal to the second sub-pixel driving circuit.

公开(公告)号：US20200260040A9

公开(公告)日：2020-08-13

申请号：US16176011

申请日：2018-10-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye DUAN ,  Yongming SHI ,  Chunqian ZHANG ,  Kui LIANG ,  Xiaohui LIU

IPC: H04N5/3745 ,  H04N5/32

Abstract: Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, and a detector including the pixel circuit. The pixel circuit includes a photoelectric conversion circuit, a reset circuit, an amplifying circuit, a first control circuit, a second control circuit, a storage circuit, and an output circuit. The photoelectric conversion circuit is configured to convert an optical signal into an electric signal. The reset circuit is configured to reset a voltage of the first node. The amplifying circuit is configured to amplify the voltage of the first node. The first control circuit is configured to control a voltage of the second node. The second control circuit is configured to control a voltage of the third node. The storage circuit is configured to store an electric charge corresponding to the voltage outputted from the amplifying circuit. The output circuit is configured to output the stored electric charge.

公开(公告)号：US20200221048A1

公开(公告)日：2020-07-09

申请号：US16679834

申请日：2019-11-11

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liye DUAN

IPC: H04N5/3745 ,  H01L27/146

Abstract: The present disclosure provides a circuit for detecting light including a photoelectric conversion circuit, a reset circuit, a voltage amplifying circuit, and a current amplifying circuit, where the reset circuit writes a reset voltage provided by the reset power end to the first node in response to a reset control signal provided by the reset control signal line; the photoelectric conversion circuit collects incident light and generates a corresponding electrical signal according to the collected incident light; the voltage amplifying circuit performs voltage amplification processing on an electrical signal at the first node and writes the electrical signal after the voltage amplification processing to the second node, in response to an turn-on control signal provided by the turn-on control signal line; and the current amplifying circuit performs current amplification processing on the electrical signal at the second node and writes it to a signal reading line.

公开(公告)号：US20200020736A1

公开(公告)日：2020-01-16

申请号：US16388568

申请日：2019-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kui LIANG ,  Chiachiang LIN ,  Xiaohui LIU ,  Liye DUAN ,  Chunqian ZHANG ,  Mengjun HOU

IPC: H01L27/146 ,  H01L31/08

Abstract: A detection panel and a detection device are provided. The detection panel includes: a base substrate, a photoelectric conversion layer and a first insulating layer which are sequentially stacked on the base substrate; wherein the detection panel further comprises a plurality of interdigital electrodes located on a surface of a side of the first insulating layer away from the base substrate.