公开(公告)号：US10560647B2

公开(公告)日：2020-02-11

申请号：US15780747

申请日：2017-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Lei Wang ,  Dongni Liu ,  Pengcheng Lu ,  Jie Fu ,  Li Xiao ,  Han Yue

IPC: H04N5/357 ,  H01L27/146 ,  H04N5/3745 ,  H01L27/02 ,  H04N5/374

Abstract: A driving circuit and a driving method, an active pixel sensor, an image sensor, and an electronic device. The driving circuit includes: a reset circuit, a photoelectric sensing circuit, a signal forming circuit, a signal conversion circuit, and a signal output circuit. The reset circuit resets the photoelectric sensing circuit and the signal forming circuit; the photoelectric sensing circuit performs photoelectric conversion on incident light irradiation to form a photoelectric voltage signal; the signal forming circuit transmits the photoelectric voltage signal to the signal conversion circuit, and transmits a compensated photoelectric voltage signal to the signal conversion circuit; the signal output circuit transmits a second voltage to the signal conversion circuit and the signal forming circuit and outputs a photoelectric current signal; the signal conversion circuit forms the compensated photoelectric voltage signal and outputs the photoelectric current signal to signal output circuit.

公开(公告)号：US20180114481A1

公开(公告)日：2018-04-26

申请号：US15793152

申请日：2017-10-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jie Fu ,  Xiaochuan Chen ,  Shengji Yang ,  Dongni Liu ,  Lei Wang ,  Han Yue ,  Pengcheng Lu ,  Li Xiao

IPC: G09G3/3216 ,  H01L51/52 ,  H01L27/32

CPC classification number: G09G3/3216 ,  G09G3/3426 ,  G09G2320/0626 ,  H01L27/3246 ,  H01L27/3283 ,  H01L27/3288 ,  H01L51/5215 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5284

Abstract: The present disclosure relates to a backlight source, a display device, and a driving method thereof, in the field of field of displays. The backlight source includes a Passive Matrix Organic Light Emitting Diode (PMOLED) display device, wherein the PMOLED display device includes a transparent substrate. A transparent wiring layer, an anode layer, a light emitting layer, a transparent cathode layer, and a transparent pixel definition layer are arranged on the transparent substrate subsequently. The light emitting layer includes a plurality of light emitting units for emitting white light, and the plurality of light emitting units are arranged in an array. The anode layer includes a plurality of anodes, the plurality of anodes are arranged below the corresponding plurality of light emitting units respectively, and can reflect light emitted from the corresponding light emitting units. The backlight source in the present application is implemented with PMOLED display device. The substrate, wiring layer, cathode layer and pixel definition layer of the PMOLED display device can use transparent materials, resulting in high transmittance of the backlight sources in the areas excluding the anodes, such that the transparent display device can have high transmittance.

公开(公告)号：US12039913B2

公开(公告)日：2024-07-16

申请号：US16475086

申请日：2019-01-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han Yue ,  Xiaochuan Chen ,  Minghua Xuan ,  Can Wang ,  Can Zhang ,  Ning Cong ,  Ming Yang

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/32 ,  G09G3/2018 ,  G09G3/2081 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0267 ,  G09G2310/061 ,  G09G2320/0242

Abstract: A pixel circuit includes a current control circuit, a time control circuit, and a light-emitting component, which are electrically coupled to one another in series along a common passage path of a driving current. The current control circuit is configured to control an intensity of the driving current according to a display data signal received thereby. The time control circuit is configured to control a passage time of the driving current according to a time data signal and a switch control signal received thereby. The light-emitting component is configured to emit a light according to the intensity and the passage time of the driving current.

公开(公告)号：US11804169B2

公开(公告)日：2023-10-31

申请号：US17426594

申请日：2020-12-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua Xuan ,  Dongni Liu ,  Qi Qi ,  Jing Liu ,  Han Yue

IPC: G09G3/32 ,  G09G3/3233 ,  G11C19/28 ,  G09G3/3266 ,  G09G3/3208

CPC classification number: G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/021 ,  G11C19/28

Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.

公开(公告)号：US20230133470A1

公开(公告)日：2023-05-04

申请号：US18089154

申请日：2022-12-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can Zhang ,  Xiaochuan Chen Residence ,  Can Wang ,  Han Yue ,  Ning Cong ,  Ming Yang ,  Minghua Xuan

IPC: H10K50/818 ,  H10K59/30 ,  H10K50/816 ,  H10K71/00 ,  H10K50/852 ,  H10K50/856

Abstract: An electrode, a method of manufacturing the same, a light-emitting device, and a display device are provided, the electrode includes: a reflective layer; and two double-layer adjusting units stacked on the reflective layer, each including an insulating layer and a conductive layer sequentially arranged and directly contacted in a direction away from the reflective layer. For at least one unit, a via hole is provided in the insulating layer, an electrode lead formed integrally with the conductive layer is provided in the via hole, and electrically connected to the reflective layer through the electrode lead. In each unit, a difference between a thickness of the conductive layer and a thickness of the insulating layer does not exceed a set threshold configured to control the thickness of the insulating layer. The conductive layer farthest from the reflective layer locates on different levels in light-emitting regions of different types of light-emitting devices.

公开(公告)号：US11532803B2

公开(公告)日：2022-12-20

申请号：US16640486

申请日：2019-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Kuanta Huang ,  Minghua Xuan ,  Lei Wang ,  Yanming Wang ,  Dongni Liu ,  Han Yue ,  Weihai Wang

IPC: H01L51/56 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

Abstract: A method of manufacturing a display panel includes providing a base substrate and forming a plurality of anodes above the base substrate; forming a photoresist layer above a side of the base substrate above which the plurality of anodes are formed, the photoresist layer including a plurality of openings and each opening corresponding to at least one anode; and forming a plurality of light emitting layers and a cathode layer sequentially above a side of the base substrate above which the plurality of anodes and the photoresist layer are formed, the cathode layer including a plurality of cathode films and each cathode film corresponding to a single opening.

公开(公告)号：US11501713B2

公开(公告)日：2022-11-15

申请号：US16858170

申请日：2020-04-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Han Yue ,  Can Zhang ,  Can Wang ,  Minghua Xuan

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3216 ,  G09G3/325 ,  G09G3/3233 ,  G09G3/3225

Abstract: The disclosure provides a pixel circuit and a driving method thereof, a display device. The pixel circuit includes: a storage capacitor having a first terminal coupled to a first node and a second terminal coupled to a second node; a light emitting diode having a first electrode coupled to a third node and a second electrode coupled to a second power supply terminal; a data writing circuit configured to write a data voltage into the second node; a compensation circuit configured to write a voltage of the third node, as a compensation voltage, into the first node; a driving transistor having a control terminal coupled to the first node, a first electrode coupled to a first power supply terminal and a second electrode coupled to the light emitting control circuit; a light emitting control circuit configured to control the light emitting diode to emit light.

公开(公告)号：US11386846B2

公开(公告)日：2022-07-12

申请号：US17294231

申请日：2020-09-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Xiaochuan Chen ,  Xue Dong ,  Haoliang Zheng ,  Han Yue ,  Ning Cong

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel driving circuit includes a data writing sub-circuit, a driving sub-circuit, and a control sub-circuit. The data writing sub-circuit is configured to: in response to a first scanning signal and a third scanning signal, write a first data signal into the driving sub-circuit; and in response to a second scanning signal and the third scanning signal, write a second data signal into the driving sub-circuit. The control sub-circuit is configured to, in response to an enable signal, connect a driving transistor to a first power supply voltage signal terminal and an element to be driven. The driving sub-circuit is configured to: according to the first data signal and a first power supply voltage signal, output a driving signal; and according to the second data signal and the first power supply voltage signal, control an operating state of the element to be driven.

公开(公告)号：US11347360B2

公开(公告)日：2022-05-31

申请号：US16606385

申请日：2019-03-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao Zhao ,  Ming Yang ,  Han Yue ,  Dongni Liu ,  Li Xiao ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/3241

Abstract: A touch display substrate, including touch electrodes, touch lines and sub-pixels, each sub-pixel includes a storage capacitor, a driving transistor, a switching element and a light emitting element, a first electrode and a second electrode of the storage capacitor are coupled to a gate electrode and a first electrode of the driving transistor, respectively, and a second electrode of the driving transistor, the switching element and the light emitting element are sequentially coupled in series, each touch electrode is coupled to one corresponding touch line through a via hole in an insulating layer between said each touch electrode and the corresponding touch line, and each touch electrode is formed by the second electrode of the storage capacitor in at least one sub-pixel, during a touch stage, the switching element decouples electrical coupling between the second electrode of the driving transistor and the light emitting element.

公开(公告)号：US11341919B2

公开(公告)日：2022-05-24

申请号：US17287536

申请日：2020-08-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Han Yue ,  Qi Qi ,  Jing Liu

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3233

Abstract: Disclosed are a drive circuit, a driving method therefor, and a display device. The drive circuit is configured to drive a device to be driven to work; the drive circuit and said device are connected in series between a first working voltage end (VL1) and a second working voltage end (VL2); the drive circuit is configured to control formation of a current path between the first working voltage end (VL1) and the second working voltage end (VL2); the drive circuit comprises a drive sub-circuit, a writing sub-circuit, a compensation sub-circuit, and a gray-scale control sub-circuit, wherein the compensation sub-circuit is separately connected to the first working voltage end (VL1), a first scan signal end (G_A), a first node (N1), and a third node (N3) and is configured to compensate for the first node (N1) under control of the first scan signal end (G_A) and the first working voltage end (VL1).