公开(公告)号：US11408777B2

公开(公告)日：2022-08-09

申请号：US16330312

申请日：2018-06-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lijun Zhao ,  Yingming Liu ,  Haisheng Wang ,  ChihJen Cheng ,  Pengpeng Wang ,  Chunwei Wu

IPC: H01L27/12 ,  G01K7/01 ,  H01L23/34 ,  H01L29/786 ,  G09F9/00

Abstract: The present disclosure discloses a temperature sensor, a display panel, and a display apparatus, in the field of sensors. The temperature sensor includes a ring oscillator consisting of n levels of phase inverters, where n is an odd number greater than or equal to 1. Each level of phase inverter includes a first thin film transistor (TFT) and a second TFT that are connected in series. An on/off state of the second TFT is configured to be in a normally-on state, an on/off state of the first TFT is configured to be determined by a signal input to the phase inverter, and mobility of an active layer material of the first TFT is greater than mobility of an active layer material of the second TFT.

公开(公告)号：US10809834B2

公开(公告)日：2020-10-20

申请号：US16326263

申请日：2018-03-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Wei Liu ,  Pengpeng Wang ,  Yanling Han ,  Xueyou Cao

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1343 ,  G06F3/01 ,  G02F1/1333

Abstract: Embodiments of the present disclosure provide a touch display panel, a method of driving the touch display panel, and a display apparatus with the touch display panel. The touch display panel includes: a common electrode layer disposed in an array substrate or a color filter substrate, configured for displaying an image, and including: a plurality of first strip-shaped electrodes each serving as a first touch feedback electrode and one of a touch drive electrode and a touch sense electrode; and a plurality of second strip-shaped electrodes crossing the first strip-shaped electrodes, and each serving as a second touch feedback electrode; and a plurality of third strip-shaped electrodes disposed in the color filter substrate and each serving as the other of the touch drive electrode and the touch sense electrode. a An extending direction of the third strip-shaped electrodes crosses an extending direction of the first strip-shaped electrodes.

公开(公告)号：US20200256741A1

公开(公告)日：2020-08-13

申请号：US15772877

申请日：2017-09-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haisheng Wang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Chunwei Wu ,  Yingming Liu ,  Xiaoliang Ding

IPC: G01K7/01 ,  G09G3/00

Abstract: According to the embodiments of the present disclosure, there is provided a sensor for detecting a temperature. The sensor comprises a switch circuit; a charge/discharge circuit connected to the switch circuit, and configured to be charged and discharged under control of the switch circuit; a sensing circuit connected to the charge/discharge circuit, and configured to cause a charge/discharge period of the charge/discharge circuit to change with a temperature of the sensing circuit; and an oscillation circuit connected to the switch circuit and the charge/discharge circuit, and configured to generate, under action of the charge/discharge circuit, an oscillation signal for controlling the switch circuit, wherein an oscillation frequency of the oscillation signal is dependent on the charge/discharge period and thus indicates the temperature of the sensing circuit. In addition, the embodiments of the present disclosure further provide an array substrate and display comprising the sensor, and a corresponding voltage adjustment method.

公开(公告)号：US10691911B2

公开(公告)日：2020-06-23

申请号：US15770644

申请日：2017-10-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling Han ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Xiaoliang Ding ,  Yingming Liu ,  Yuzhen Guo ,  Chihjen Cheng ,  Changfeng Li

IPC: G06K9/00 ,  G06F3/041 ,  H01L27/12 ,  G06F3/043 ,  H01L41/047 ,  H01L41/113

Abstract: The present application provides in some embodiments an array substrate, a display panel, a display device and a method for manufacturing the array substrate. The present application provides in some embodiments an array substrate, the array substrate comprising: an ultrasonic emission sensor, a substrate over the ultrasonic emission sensor, a pixel circuit layer over the glass substrate, and an ultrasonic reception sensor over the TFT pixel circuit layer, the ultrasonic reception sensor being electrically connected to the pixel circuit layer, wherein projections of the ultrasonic emission sensor and the ultrasonic reception sensor in a direction perpendicular to the substrate do not overlap with each other.

公开(公告)号：US10679559B2

公开(公告)日：2020-06-09

申请号：US15827551

申请日：2017-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Wei Liu ,  Pengpeng Wang ,  Yanling Han ,  Xueyou Cao ,  Ping Zhang

IPC: G09G3/3258 ,  H01L27/32 ,  G06K9/00 ,  G09G3/3266 ,  G09G3/3233

Abstract: A display driving unit circuit, a driving method, a display driving circuit and a display device are provided. The display driving unit circuit includes a pixel driving circuit and a light-emission control signal generation circuit. The light-emission control signal generation circuit is coupled to the pixel driving circuit. The pixel driving circuit is to drive a pixel to emit light. The light-emission control signal generation circuit is to supply a display light-emission control signal to the pixel driving circuit at a display stage to enable the pixel in a displaying mode and supply a fingerprint detection light-emission control signal to the pixel driving circuit at a fingerprint detection stage to enable the pixel in a fingerprint detection light-emission mode at the fingerprint detection stage. The display stage and the fingerprint detection stage are different time periods.

公开(公告)号：US10678377B2

公开(公告)日：2020-06-09

申请号：US15752073

申请日：2017-07-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunwei Wu ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Yingming Liu ,  Pengpeng Wang ,  Yanling Han ,  Wei Liu ,  Rui Xu ,  Lijun Zhao ,  Yuzhen Guo ,  Changfeng Li ,  Yanan Jia ,  Jing Lv

IPC: G06F3/042 ,  G06F3/041 ,  G06F3/047

Abstract: The present application provides a sensor comprising a grating and a sensor array sequentially disposed in a thickness direction of the sensor, wherein the sensor array comprises a plurality of photosensitive sensor units, and light passing through a light transmission gap of the grating reaches the plurality of photosensitive sensor units. The present application further provides a display device comprising the sensor. The sensor may detect three-dimensional coordinates of an object so that the display device can realize three-dimensional touch control.

公开(公告)号：US10607524B2

公开(公告)日：2020-03-31

申请号：US15544782

申请日：2017-01-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanan Jia ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Chunwei Wu ,  Xiaoliang Ding ,  Pengpeng Wang ,  Yuzhen Guo ,  Wei Liu ,  Rui Xu ,  Lijun Zhao ,  Yanling Han ,  Changfeng Li ,  Yingming Liu

IPC: G09G3/20 ,  G06F3/01 ,  G09G3/3225 ,  H01L27/32 ,  G09G3/3208

Abstract: A display panel has a light exit side and includes an infrared light emitting unit for emitting infrared light towards the light exit side of the display panel; and at least three infrared light sensing units provided at different positions for detecting intensity of the infrared light emitted from the light exit side of the display panel and reflected by a human eye.

公开(公告)号：US10573228B2

公开(公告)日：2020-02-25

申请号：US16089857

申请日：2017-10-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling Han ,  Haisheng Wang ,  Xiaoliang Ding ,  Changfeng Li ,  Xue Dong ,  Jing Lv ,  Chunwei Wu ,  Pengpeng Wang ,  Xueyou Cao ,  Ping Zhang ,  Chihjen Cheng ,  Wei Liu ,  Yanan Jia ,  Lijun Zhao

IPC: G09G3/32 ,  H01L27/15 ,  H01L33/56 ,  G06F3/041 ,  H01L33/38 ,  G09G3/3233 ,  G06F3/0488

Abstract: Provided is a display panel comprising including: a base substrate; a plurality of pixel units, each of which is provided with a light emitting structure, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate; a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light; a deforming layer disposed above the second electrodes of the light emitting structures; and one or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit, the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that the hardness of the deforming layer above the second electrode changes.

公开(公告)号：US10340145B2

公开(公告)日：2019-07-02

申请号：US15662896

申请日：2017-07-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuzhen Guo ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Xiaoliang Ding ,  Rui Xu ,  Changfeng Li ,  Lijun Zhao ,  Yanling Han ,  Pengpeng Wang ,  Xueyou Cao ,  Ping Zhang ,  Wei Liu ,  Yanan Jia

IPC: H05K1/11 ,  H01L23/00 ,  H01L21/28 ,  G01R1/04 ,  H01L21/31 ,  H01L23/32 ,  H05K1/14 ,  G02F1/1345

Abstract: An integrated circuit element and a fabrication method thereof, a circuit board, a display panel and a display device are provided, to reduce space occupied by the integrated circuit element and facilitate achieving intelligent transparent display by arranging the integrated circuit element in a display. The integrated circuit element includes a base plate, and a bare integrated circuit chip and multiple connection parts arranged on the base plate. The bare integrated circuit chip includes multiple connection points that are respectively electrically connected to the multiple connection parts.

公开(公告)号：US10318787B2

公开(公告)日：2019-06-11

申请号：US15768218

申请日：2017-09-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Wei Liu ,  Pengpeng Wang ,  Yanling Han ,  Xueyou Cao

IPC: G06K9/00 ,  H01L27/00 ,  H01L27/12 ,  H01L27/146 ,  H01L29/786

Abstract: The present disclosure provides a fingerprint photocurrent detection unit, a fingerprint identifier, a driving method and a display device. The fingerprint photocurrent detection unit includes: a conversion circuit coupled to a fingerprint photocurrent reading line and configured to convert a fingerprint photocurrent acquired by the fingerprint photocurrent reading line into a square wave signal; and a detection circuit coupled to the conversion circuit and configured to detect the square wave signal and acquire information about a fingerprint photocurrent in accordance with a frequency of the square wave signal.