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公开(公告)号：US20220123091A1
公开(公告)日：2022-04-21
申请号：US17353927
申请日：2021-06-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jianchao ZHU
Abstract: A display panel, a display device, and a method of manufacturing the display panel is disclosed. The display panel includes a plurality of sub-pixel units, each sub-pixel unit includes a first metal layer, a first planarization layer, a first electrode layer, a pixel definition layer, a light-emitting layer, and a second electrode layer that are sequentially stacked in this order, wherein the first metal layer comprises at least one longitudinal wire, the first metal layer, the pixel definition layer, the first electrode layer, and the second electrode layer employ an axial symmetry structure respectively; when the number of the longitudinal wires is odd, a longitudinal wire at center is taken as a symmetry axis of the axial symmetry structure; and when the number of the longitudinal wires is even, a center line between two longitudinal wires at outermost edges is taken as the symmetry axis of the axial symmetry structure.
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22.发明申请公开(公告)号：US20210406501A1
公开(公告)日：2021-12-30
申请号：US16472438
申请日：2018-12-06
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jianchao ZHU , Libin LIU
Abstract: A fingerprint identification device, a display panel, a fabrication method thereof, and a display device are disclosed. The fingerprint identification device includes a fingerprint sensor, an aperture diaphragm, and a first shielding structure. The fingerprint sensor includes a plurality of sensing units; the aperture diaphragm is on a light incident side of the fingerprint sensor and includes an aperture through which light is allowed to be incident on at least one sensing unit of the fingerprint sensor; and the first shielding structure is on a side of the aperture diaphragm facing away from the fingerprint sensor, and surrounds at least a portion of the aperture.
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23.发明申请公开(公告)号：US20210090486A1
公开(公告)日：2021-03-25
申请号：US16083315
申请日：2018-01-05
Inventor： Hao ZHANG , Jianchao ZHU
IPC: G09G3/32
Abstract: Embodiments of the present disclosure relate to a method for compensating for luminance of a display panel, a display panel, and a display device. The display panel includes a display region and a non-display region, the display region and the non-display region having a boundary therebetween, the boundary passing through a pixel region and a non-pixel region of the display panel, a portion of the non-pixel region located within the display region forming a dark region within the display region, the method includes determining the luminance of the neighboring pixel adjacent to the dark region among the display pixels of the pixel region based on an area of the dark region, so as to compensate for the luminance of the dark regions with the luminance of the neighboring pixel.
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公开(公告)号：US20190266946A1
公开(公告)日：2019-08-29
申请号：US16309203
申请日：2018-03-20
Inventor： Jianchao ZHU , Lujiang HUANGFU , Yunfei LI , Can ZHENG , Libin LIU , Yipeng CHEN
IPC: G09G3/3233
Abstract: A pixel driving circuit and a driving method, and a display device are provided. The driving circuit includes: a first switching element, a second switching element, a third switching element, a fourth switching element, a fifth switching element, a driving transistor, a sixth switching element, a first storage capacitor and a second storage capacitor.
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25.发明申请公开(公告)号：US20190171047A1
公开(公告)日：2019-06-06
申请号：US15995999
申请日：2018-06-01
Inventor： Jianchao ZHU
IPC: G02F1/13 , G09G3/34 , G09G3/3208
CPC classification number: G02F1/1323 , G02B26/004 , G09G3/3208 , G09G3/34 , G09G2320/068
Abstract: The present disclosure provides a viewing angle switching structure, a display device and a viewing angle switching method. The viewing angle switching structure includes a plurality of viewing angle switching units corresponding to pixels on a display panel. Each viewing angle switching unit includes: an accommodation cavity; a first solution layer and a second solution layer in the accommodation cavity, a liquid interface being formed between the first and the second solution layers; and an electric field driving unit configured to generate a driving electric field to be applied to the accommodation cavity. The first solution layer has a refractive index different from the second solution layer. The first solution layer includes a transparent conductive solution and the second solution layer includes a transparent non-conductive solution. A shape of the liquid interface between the first and the second solution layers is changeable under the effect of the driving electric field.
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Patent Agency Ranking
公开(公告)号：US20170263180A1
公开(公告)日：2017-09-14
申请号：US15309475
申请日：2016-02-01
Inventor： Jianchao ZHU
IPC: G09G3/3233 , G09G3/3291 , G09G3/3266
CPC classification number: G09G3/3233 , G09G3/3266 , G09G3/3291 , G09G2300/043 , G09G2300/0842 , G09G2300/0861 , G09G2310/0202 , G09G2310/0262 , G09G2310/08 , G09G2320/0233
Abstract: The present disclosure provides a display panel, a method for driving the same and a display device. A pixel circuit of the display panel includes a storage capacitor, a driving transistor, an initialization module configured to apply an initial voltage to a first end of the storage capacitor via a current-level gate scanning line within an initialization time period, a compensation module, a data writing module, a resetting module configured to enable the current-level gate scanning line to be electrically connected to a second end of the storage capacitor within a light-emitting time period, and a light-emitting control module. The driving transistor is in an on state within the light-emitting time period, so as to drive a light-emitting element to emit light.
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公开(公告)号：US20250087150A1
公开(公告)日：2025-03-13
申请号：US18557841
申请日：2023-02-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lujiang HUANGFU , Tuo SUN , Jianchao ZHU , Li WANG , Yu FENG
IPC: G09G3/3233
Abstract: A pixel circuit, a pixel driving method, and a display device. The pixel circuit includes a light-emitting element, a driving circuit, a compensation control circuit, a light-emitting control circuit and a discharging circuit; the compensation control circuit controls connection or disconnection between the first node and the driving node under the control of the compensation control signal; the light-emitting control circuit controls connection or disconnection between the driving node and the first electrode of the light-emitting element under control of the light-emitting control signal; the discharging circuit is used for generating a discharging current; in a compensation phase, the discharging current terminal is connected to the driving node, and in a light-emitting phase, the discharging current terminal is connected to the driving node and the first electrode of the light-emitting element, and the discharging current terminal is not directly electrically connected to the first electrode of the light-emitting element.
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公开(公告)号：US20240381710A1
公开(公告)日：2024-11-14
申请号：US18033339
申请日：2022-05-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jianchao ZHU , Guangliang SHANG , Libin LIU , Shiming SHI , Yuxin ZHANG
IPC: H10K59/131 , H10K59/122 , H10K59/80
Abstract: A display substrate includes: a first display region (A1). The first display region (A1) includes multiple display island regions (A11) spaced apart from each other, a light-transmissive region (A12) between adjacent display island regions, and a connection region (A13) connecting adjacent display island regions (A11). A display island region (A11) includes a first pixel unit (P1). The first pixel unit (P1) includes: a first region pixel circuit (13) and a first region light emitting element (11). The display island region (A11) has an arc edge.
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公开(公告)号：US20240370126A1
公开(公告)日：2024-11-07
申请号：US18031282
申请日：2022-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hao LIU , Jianchao ZHU , Mengyang WEN , Zibo NI , Guangliang SHANG , Libin LIU
Abstract: The present disclosure provides a touch display panel. The touch display panel includes a display substrate and a touch layer, wherein the touch layer includes a plurality of touch units and a plurality of touch lines which are disposed on the display substrate; wherein the touch lines are connected to at least one touch unit and are configured to electrically connect the touch unit connected thereto to a touch integrated circuit; the plurality of touch lines at least include a first trace and a second trace which are disposed in a non-display region, a length of the first trace being greater than a length of the second trace, and a cross-sectional area of the first trace being larger than a cross-sectional area of the second trace.
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公开(公告)号：US20240290233A1
公开(公告)日：2024-08-29
申请号：US18573754
申请日：2021-06-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinshe YIN , Hualing YANG , Xinbin HAN , Guangliang SHANG , Jianchao ZHU
IPC: G09G3/00 , G01R19/25 , G09G3/3233
CPC classification number: G09G3/006 , G01R19/2509 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2320/0233
Abstract: A control method and a control device for a current detection apparatus are provided, which are used to improve the accuracy of current detected by the current detection apparatus. A sensing control switch is controlled to be in an on state at a first time point before an integration operation is performed on the detection line; a current detection circuit is controlled to start the integration operation on a current of a detection line at the integration start time point to obtain an integrated voltage signal corresponding to the detection line; multiple samplings are performed on the integrated voltage signal, and an output voltage difference between different sampling points is determined; and the current of the detection line is determined based on the output voltage difference.
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