-
公开(公告)号：US20220037429A1
公开(公告)日：2022-02-03
申请号：US17278720
申请日：2020-05-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Likai DENG , Ping ZHANG , Xiaoliang DING , Pengpeng WANG
Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a substrate, a pixel unit and a measurement unit on the substrate, and a compensation element. The measurement unit includes: a photosensitive device configured to detect a luminous intensity of the pixel unit; a thermosensitive device configured to measure an operating temperature of the photosensitive device; and a light source device configured to provide light to the thermosensitive device. An orthographic projection of the light source device on the substrate is within an orthographic projection of the thermosensitive device on the substrate. The compensation element is configured to compensate the luminous intensity of the pixel unit according to the luminous intensity of the pixel unit detected by the photosensitive device and the operating temperature of the photosensitive device measured by the thermosensitive device.
-
2.发明申请公开(公告)号：US20210385360A1
公开(公告)日：2021-12-09
申请号：US17280366
申请日：2020-07-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Haisheng WANG , Xiaoliang DING , Yangbing LI , Xueyou CAO , Ping ZHANG , Likai DENG , Yubo WANG
Abstract: A display panel includes a display layer, a photosensitive layer and an infrared mask. The display layer is configured to display an image, the display layer has light-transmitting portions, and the light-transmitting portions are configured to transmit infrared light. The photosensitive layer is disposed on a side of the display layer. The infrared mask is disposed on a side of the photosensitive layer proximate to the display layer, the infrared mask has hollowed-out regions, the hollowed-out regions are configured to make the infrared mask have a preset pattern, and a region in the infrared mask except the hollowed-out regions is configured to prevent transmission of the infrared light. The photosensitive layer is configured to receive infrared light passing though the hollowed-out regions and the light-transmitting portions, and convert the infrared light into an image signal.
-
公开(公告)号：US20210339254A1
公开(公告)日：2021-11-04
申请号：US16475093
申请日：2018-12-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Haisheng WANG , Xiaoliang DING , Yanling HAN , Ping ZHANG , Xueyou CAO , Chihjen CHENG , Jiabin WANG , Yangbing LI
Abstract: A microfluidic circuit includes a detection capacitor, having a first terminal and a second terminal that are spaced apart from one another to thereby form a space therebetween. The circuit is configured to detect a droplet present in the space by detecting a change of a capacitance value of the detection capacitor caused by a change of a dielectric constant between the first terminal and the second terminal, and to drive a formation of an electrical field formed using at least one of the first terminal and the second terminal of the detection capacitor to thereby drive the droplet to move in the electrical field.
-
公开(公告)号：US20210303814A1
公开(公告)日：2021-09-30
申请号：US17264328
申请日：2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming LIU , Haisheng WANG , Xiaoliang DING , Lei WANG , Pengpeng WANG , Changfeng LI
IPC: G06K9/00
Abstract: A fingerprint identification device, a driving method thereof, and a display device are disclosed. The fingerprint identification device includes: a receiving electrode layer, a piezoelectric material layer, and a drive electrode layer. The piezoelectric material layer is between the receiving electrode layer and the drive electrode layer, the piezoelectric material layer is configured to emit ultrasonic waves under an excitation of at least a drive voltage, and is further configured to convert ultrasonic waves, which are emitted by the piezoelectric material layer and reflected by a fingerprint to be detected, into electrical signals; the drive electrode layer is configured to receive the drive voltage and a first fixed voltage simultaneously, and the receiving electrode layer is configured to output the electrical signals while receiving a second fixed voltage; the electrical signals are used for obtaining a fingerprint image.
-
公开(公告)号：US20210124441A1
公开(公告)日：2021-04-29
申请号：US16976255
申请日：2019-10-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang DING , Haisheng WANG , Yingming LIU , Pengpeng WANG , Likai DENG , Yangbing LI , Xueyou CAO , Ping ZHANG
Abstract: Disclosed are a display substrate, a display device and a detection method by using a display device. The display substrate includes at least one sub-pixel. the at least one sub-pixel includes a first region and a second region, and the at least one sub-pixel includes a light emitting element which is arranged in the first region, and a pixel circuit structure and a photosensitive stucture which are arranged in the second region, the pixel circuit structure and the photosensitive structure are stacked, and the photosensitive structure is closer to a light exiting side of the display substrate than the pixel circuit structure.
-
Patent Agency Ranking
公开(公告)号：US20210117640A1
公开(公告)日：2021-04-22
申请号：US16975638
申请日：2019-10-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xueyou CAO , Xiaoliang DING , Haisheng WANG , Wenjuan WANG , Pengpeng WANG , Yapeng LI , Ping ZHANG , Likai DENG
IPC: G06K9/00
Abstract: A fingerprint identification and detection circuit, a fingerprint identification and detection method and a display device are provided. The fingerprint identification and detection circuit includes a storage capacitor, a capacitor control circuit and a photoelectric conversion element; the photoelectric conversion element is configured to, when in a photoelectric conversion state, convert a received optical signal into a corresponding electrical signal; the capacitor control circuit is provided between the storage capacitor and the photoelectric conversion element, and is configured to perform control to store at least part of the electrical signal to the storage capacitor under control of a capacitor control signal.
-
公开(公告)号：US20210056905A1
公开(公告)日：2021-02-25
申请号：US16996248
申请日：2020-08-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yingming LIU , Haisheng WANG , Xiaoliang DING , Lei WANG , Pengpeng WANG , Changfeng LI
IPC: G09G3/3258 , H01L27/32 , H01L51/52
Abstract: The present disclosure discloses a pixel driving circuit, a driving method for the pixel driving circuit, a display panel and a display apparatus. The pixel driving circuit for driving a light emitting device includes: a threshold compensation subcircuit, a driving subcircuit and an optical signal detection subcircuit; the threshold compensation subcircuit is coupled to a control electrode of a driving transistor, and a first electrode of the driving transistor is coupled to the light emitting device; the optical signal detection subcircuit is coupled to the threshold compensation subcircuit; and the optical signal detection subcircuit is configured to detect an optical signal which is incident on a region where the optical signal detection subcircuit is located.
-
公开(公告)号：US20210026178A1
公开(公告)日：2021-01-28
申请号：US16069764
申请日：2017-12-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pengpeng WANG , Xue DONG , Haisheng WANG , Chunwei WU , Xiaoliang DING , Chihjen CHENG , Wei LIU , Yanling HAN , Xueyou CAO , Ping ZHANG , Changfeng LI , Yanan JIA , Yuzhen GUO
IPC: G02F1/1333 , G06F3/01 , G02F1/1368 , H01Q1/24 , H01Q1/52
Abstract: The present disclosure provides an array substrate, comprising a substrate and a display element arranged above the substrate. The array substrate further comprises an antenna structure for transmitting and receiving electromagnetic waves. The antenna structure comprises a signal shielding layer and an antenna patch layer arranged on the substrate. The antenna patch layer and the signal shielding layer are spaced apart through a dielectric layer. The antenna patch layer is beneath the signal shielding layer such that the antenna structure transmits electromagnetic waves towards the bottom of the substrate and receives the electromagnetic waves from the bottom of the substrate. The present disclosure further provides a display panel and a man-machine interactive terminal.
-
公开(公告)号：US20200266242A1
公开(公告)日：2020-08-20
申请号：US16639282
申请日：2019-07-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiaoliang DING , Xue DONG , Haisheng WANG , Yingming LIU , Pengpeng WANG , Yangbing LI , Jiabin WANG , Ping ZHANG , Likai DENG
Abstract: Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure to emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.
-
公开(公告)号：US20190294850A1
公开(公告)日：2019-09-26
申请号：US16316457
申请日：2018-03-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xueyou CAO , Xue DONG , Jing LV , Haisheng WANG , Xiaoliang DING , Yingming LIU , Yanling HAN , Wei LIU , Chunwei WU , Pengpeng WANG , Ping ZHANG
IPC: G06K9/00
Abstract: The present disclosure discloses a fingerprint recognition device, a display substrate and a display apparatus. The fingerprint recognition device includes: at least one fingerprint detection component; at least one fingerprint recognition signal line, the fingerprint detection component outputs a detection current to the fingerprint recognition signal line; at least one noise reduction circuit serially coupled in the fingerprint recognition signal line, the noise reduction circuit being a resistive component; and a fingerprint determination circuit coupled to the fingerprint recognition signal line, configured to determine a morphology of a fingerprint according to a current signal, subjected to a noise reduction by the noise reduction circuit and transmitted by the fingerprint recognition signal line. The fingerprint recognition device can filter out the current generated by coupling the fingerprint recognition signal line with other data lines, the interference with the detection current is reduced, the accuracy of the fingerprint recognition is improved.
-
-
-
-
-
-
-
-
-
Search Results
144
records
(took 0.01 seconds)
