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公开(公告)号：US11335113B2
公开(公告)日：2022-05-17
申请号：US16767867
申请日：2019-06-14
发明人： Jiabin Wang , Xiaoliang Ding , Xueyou Cao , Wenjuan Wang , Jing Liu , Yichi Zhang , Haisheng Wang , Lei Wang , Yingming Liu , Yingzi Wang
摘要： A texture image acquisition circuit, a display panel and a texture image acquisition method. The texture image acquisition circuit includes a charge neutralization circuit and a first acquisition circuit, the charge neutralization circuit is electrically connected to the first acquisition circuit, the charge neutralization circuit receives a first control signal to cause a current flowing through the first acquisition circuit to be a first current, and the charge neutralization circuit is configured to receive a second control signal to cause a current flowing through the first acquisition circuit to be a second current, a direction of the second current and a direction of the first current are opposite to each other; the first acquisition circuit is configured to receive light from a texture and accumulate a first signal amount that is acquired after the light from the texture is converted, so as to acquire a first acquisition value.
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公开(公告)号：US11314961B2
公开(公告)日：2022-04-26
申请号：US16767932
申请日：2019-06-12
发明人： Jiabin Wang , Xiaoliang Ding , Xueyou Cao , Wenjuan Wang , Jing Liu , Yichi Zhang , Haisheng Wang , Lei Wang , Yingming Liu , Yingzi Wang
摘要： A texture image acquisition method, a texture image acquisition circuit and a display panel are provided. The texture image acquisition circuit includes a photosensitive circuit, the texture image acquisition method includes: allowing the photosensitive circuit to receive light from a texture, and obtaining a first curve based on a signal amount accumulated by the photosensitive circuit within a first integral time period, the first curve being a time-varying curve of a residual signal amount which is a signal amount remaining after a signal amount, left over by the photosensitive circuit before the first integral time period, is released over time; obtaining a first acquisition value based on a signal amount accumulated by the photosensitive circuit within a second integral time period which is after the first integral time period; obtaining a first photosensitive signal of an image of the texture; based on the first curve and the first acquisition value.
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公开(公告)号：US11895893B2
公开(公告)日：2024-02-06
申请号：US17354142
申请日：2021-06-22
发明人： Qian Sun , Wei Huang , Qian Jin , Yichi Zhang
IPC分类号： H10K59/38 , H10K50/858 , H10K71/00 , H10K59/12
CPC分类号： H10K59/38 , H10K50/858 , H10K71/00 , H10K59/12
摘要： The present disclosure provides a display panel including: a first substrate, a light-emitting element array and a color-conversion layer array, the light-emitting element array includes a plurality of light-emitting elements, the color-conversion layer array includes a plurality of color-conversion layers, the light-emitting elements are used for generating and emitting first color light, the color-conversion layers are used for generating other color light under excitation of the first color light, and the display panel further includes a first band-pass filtering layer between the light-emitting element array and the color-conversion layer array and/or a second band-pass filtering layer positioned on one side, away from the light-emitting element array, of the color-conversion layer array.
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公开(公告)号：US11533558B2
公开(公告)日：2022-12-20
申请号：US17259245
申请日：2020-03-30
发明人： Yongchun Tao , Yichi Zhang , Jingwen Guo
摘要： An embodiment of the present disclosure provides a method for driving an acoustic transducer, including: obtaining a reference electrical signal according to a first electrical signal output by a first acoustic transducer element in a case where sound waves are not received by the first acoustic transducer element; obtaining an actual detected electrical signal according to a second electrical signal output by a second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element; and performing a noise reduction process on the actual detected electrical signal according to the reference electrical signal to obtain a noise-reduced signal as a final output electrical signal of the second acoustic transducer element in a case where sound waves are received by the second acoustic transducer element. An embodiment of the present disclosure further provides an acoustic transducer.
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公开(公告)号：US20220399465A1
公开(公告)日：2022-12-15
申请号：US17599688
申请日：2020-12-21
发明人： Feng Guan , Yichi Zhang , Yang Lv
IPC分类号： H01L29/786 , H01L29/66 , H01L29/45
摘要： A thin film transistor is provided. The thin film transistor includes abase substrate; a gate electrode on the base substrate; an active layer on the base substrate, the active layer including a polycrystalline silicon part including a polycrystalline silicon material and an amorphous silicon part including an amorphous silicon material; a gate insulating layer insulating the gate electrode from the active layer; a source electrode and a drain electrode on the base substrate; and an etch stop layer on a side of the polycrystalline silicon part away from the base substrate. An orthographic projection of the etch stop layer on the base substrate covers an orthographic projection of the polycrystalline silicon part on the base substrate, and an orthographic projection of at least a portion of the amorphous silicon part on the base substrate.
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公开(公告)号：US12031071B2
公开(公告)日：2024-07-09
申请号：US17246833
申请日：2021-05-03
发明人： Wenhai Mei , Yichi Zhang
IPC分类号： C09K11/56 , G02B1/04 , G02B5/20 , B82Y20/00 , B82Y30/00 , B82Y40/00 , G03F7/039 , H10K50/115 , H10K50/15 , H10K50/16
CPC分类号： C09K11/565 , G02B1/04 , G02B5/20 , B82Y20/00 , B82Y30/00 , B82Y40/00 , G03F7/0392 , H10K50/115 , H10K50/15 , H10K50/16
摘要： The present disclosure provides a quantum dot film, a quantum dot device, and a display panel. The provided quantum dot film comprises a plurality of quantum dots and a plurality of polymer molecular chains. The polymer molecule chain comprises at least one first segment and at least one second segment, wherein the first segment has a tensile modulus greater than that of the second segment, and the second segment has a flexural modulus less than that of the first segment.
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公开(公告)号：US11981845B2
公开(公告)日：2024-05-14
申请号：US17421223
申请日：2020-10-30
发明人： Dong Li , Yichi Zhang
IPC分类号： C09K11/02 , B82Y20/00 , B82Y40/00 , H10K50/115
CPC分类号： C09K11/025 , H10K50/115 , B82Y20/00 , B82Y40/00
摘要： Embodiments of the present disclosure disclose a quantum dot material and related applications. The quantum dot material includes: quantum dots, and ligands connected with the quantum dots, and further includes isolation units, wherein the isolation units are cyclic molecules, and the ligands are configured to bond with the cyclic molecules through electrostatic force, so that the quantum dots and the ligands are wrapped with the multiple isolation units; and the isolation units are configured to isolate the quantum dots.
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公开(公告)号：US20230037592A1
公开(公告)日：2023-02-09
申请号：US17790333
申请日：2021-09-01
发明人： Wei Huang , Shi Shu , Wei Li , Zhongyuan Sun , Qian Jin , Guangcai Yuan , Lu Wang , Yichi Zhang
摘要： A display panel having a base substrate, a light emitting layer on a side of the base substrate, and a wavelength converting layer on a side of light emitting layer away from the base substrate is provided.The light emitting layer includes light emitting units and a first pixel defining layer defining the plurality of light emitting units, the wavelength converting layer includes wavelength converting units and a second pixel defining layer defining the wavelength converting units, each of the of wavelength converting units converts a wavelength of a light emitted by at least one of the light emitting units, wherein in a direction perpendicular to the base substrate, the second pixel defining layer has a thickness twice or more that of the first pixel defining layer. A method for manufacturing the display panel and a display device are also provided.
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公开(公告)号：US11974448B2
公开(公告)日：2024-04-30
申请号：US17458782
申请日：2021-08-27
发明人： Jingwen Feng , Yichi Zhang
IPC分类号： H10K50/16 , H10K50/115 , H10K71/00 , H10K102/00
CPC分类号： H10K50/166 , H10K50/115 , H10K71/00 , H10K2102/00 , H10K2102/351
摘要： The present disclosure provides a quantum dot light emitting diode, including: a first electrode, a second electrode, a quantum dot light emitting layer between the first electrode and the second electrode, at least one electron transport layer between the quantum dot light emitting layer and the first electrode, and an electron contribution layer between the electron transport layer of the at least one electron transport layer closest to the first electrode and the quantum dot light emitting layer; a material of the electron contribution layer includes a metal material. The embodiment of the present disclosure also provides a method for manufacturing the quantum dot light emitting diode and a display panel.
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公开(公告)号：US11968852B2
公开(公告)日：2024-04-23
申请号：US17427582
申请日：2020-09-21
发明人： Wenhai Mei , Yichi Zhang
IPC分类号： H10K50/16 , H10K50/11 , H10K50/165 , H10K59/35 , H10K71/00 , H10K50/115 , H10K59/12 , H10K101/00 , H10K101/30 , H10K101/40 , H10K102/00
CPC分类号： H10K50/165 , H10K50/11 , H10K59/35 , H10K71/00 , H10K50/115 , H10K59/1201 , H10K2101/30 , H10K2101/40 , H10K2101/80 , H10K2102/00 , H10K2102/331
摘要： A light-emitting device includes: a first electrode and a second electrode that are superposed; an emitting layer (EML) located between the first electrode and the second electrode; and an electron transport layer (ETL) located between the first electrode and the EML. The ETL includes a first surface proximate to the EML and a second surface proximate to the first electrode, oxygen vacancies is formed in the ETL, and a concentration of oxygen vacancies in the ETL gradually increases from the second surface to the first surface.
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