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公开(公告)号：US09902079B2
公开(公告)日：2018-02-27
申请号：US14907638
申请日：2015-06-18
Inventor： Haiyan Wang , Chunlei Cao , Yuqi Mei , Ying Zang , Jiawei Zhu
CPC classification number: B26D1/105 , B26D1/10 , B26D5/005 , B26D5/34 , B65H5/062 , B65H35/006 , B65H35/008 , B65H35/10
Abstract: A cutting apparatus for a tape, on a tape conveying path, sequentially including: a feeding assembly, configured to release the tape at an upstream of the tape conveying path; an roller assembly, including a first roller and a second roller opposite to each other and configured to clamp at least part of the tape therebetween and drive the tape to move on the tape conveying path by rotation of at least one of the first roller and the second roller; and a cutter assembly, configured to cut the tape at a downstream of the tape conveying path, wherein, the cutting apparatus further includes a control assembly, configured to control the cutter assembly to cut the tape according to rotation of at least one of the first roller and the second roller. The cutting apparatus can improve cutting efficiency and accuracy of the tape.
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公开(公告)号：US09664971B2
公开(公告)日：2017-05-30
申请号：US14646645
申请日：2014-07-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hui Li , Hyun Sic Choi , Zheng Fang , Haiyan Wang , Yunyun Tian
IPC: H01L23/58 , G02F1/1362 , H01L21/77 , H01L27/12 , G02F1/1333 , G02F1/1343 , G02F1/1368 , G02F1/1337
CPC classification number: G02F1/136286 , G02F1/133345 , G02F1/1337 , G02F1/134309 , G02F1/134363 , G02F1/1368 , G02F2001/134318 , G02F2001/134345 , G02F2001/134372 , H01L21/77 , H01L27/12 , H01L27/124 , H01L27/1259
Abstract: The present disclosure provides an array substrate and a method for producing the same and a liquid crystal display apparatus. The array substrate provided by an embodiment of the present invention comprises: a base substrate; a plurality of sub-pixel regions which are delimited by gate lines and data lines respectively and which are located on the base substrate, each of which is provided with a thin film transistor TFT and a common electrode above the thin film transistor; and an alignment film located above the common electrode, wherein the alignment film has an alignment direction at a predetermined angle to the direction in which the gate lines extend, and a void region is arranged at a location of the common electrode corresponding to the thin film transistor, the direction in which the void region extends being identical to the alignment direction of the alignment film.
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公开(公告)号：US11531238B2
公开(公告)日：2022-12-20
申请号：US17218305
申请日：2021-03-31
Inventor： Wenqing Zhao , Qian Wang , Haiyan Wang , Weili Zhao
IPC: G02F1/1343 , G02F1/133 , G02F1/1333 , G02F1/1337
Abstract: A liquid crystal lens includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base substrate, a plurality of first electrodes, and a first alignment layer, wherein two adjacent first electrodes of the plurality of first electrodes are insulated from each other, an orthographic projection of each of the plurality of first electrodes on a first surface is an axisymmetric pattern and a centrosymmetric pattern, and center points of the orthographic projections of the plurality of first electrodes on the first surface are in coincidence with each other. The second substrate includes a second base substrate, a plurality of second electrodes, and a second alignment layer, wherein an orientation of the first alignment layer and an orientation of the second alignment layer are perpendicular to each other.
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公开(公告)号：US11262612B2
公开(公告)日：2022-03-01
申请号：US16757659
申请日：2019-05-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jifeng Tan , Haiyan Wang , Xiaochuan Chen
IPC: G02F1/1335 , G02F1/1343 , G02F1/137
Abstract: A transparent display panel and a transparent display device are disclosed. The transparent display panel comprises a color filter substrate, an electrode layer, a blue phase liquid crystal layer configured to modulate an incident collimated natural light, and a light guide plate. The color filter substrate comprises a black matrix and pixel regions which are surrounded by the black matrix and arranged in a matrix, and each of the pixel regions on the color filter substrate is provided with a light shielding part at a central position, and an opening region surrounded by the light shielding part and the black matrix. The light guide plate is provided with a light exit region on a side close to the blue phase liquid crystal layer, the light exit region is arranged to correspond to the light shielding part in position, and in case the electrode layer does not apply a driving voltage to the blue phase liquid crystal layer, the collimated natural light which passes through the light exit region is incident on the light shielding part and is blocked by the light shielding part. The electrode layer is configured to apply the driving voltage to the blue phase liquid crystal layer to form a liquid crystal grating, and the blue phase liquid crystal receives different driving voltages at different positions in one of grating periods of the liquid crystal grating, so that the collimated natural light is diffracted by the liquid crystal grating and exits through the opening region.
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公开(公告)号：US20210349359A1
公开(公告)日：2021-11-11
申请号：US17218305
申请日：2021-03-31
Inventor： Wenqing Zhao , Qian Wang , Haiyan Wang , Weili Zhao
IPC: G02F1/1343 , G02F1/1337 , G02F1/1333 , G02F1/133
Abstract: A liquid crystal lens includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base substrate, a plurality of first electrodes, and a first alignment layer, wherein two adjacent first electrodes of the plurality of first electrodes are insulated from each other, an orthographic projection of each of the plurality of first electrodes on a first surface is an axisymmetric pattern and a centrosymmetric pattern, and center points of the orthographic projections of the plurality of first electrodes on the first surface are in coincidence with each other. The second substrate includes a second base substrate, a plurality of second electrodes, and a second alignment layer, wherein an orientation of the first alignment layer and an orientation of the second alignment layer are perpendicular to each other.
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Patent Agency Ranking
公开(公告)号：US10824030B2
公开(公告)日：2020-11-03
申请号：US16118323
申请日：2018-08-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haiyan Wang , Wenqing Zhao , Weili Zhao
IPC: G02F1/1343 , G02F1/133 , G02F1/1335 , G02F1/13357 , G02F1/29
Abstract: The present disclosure relates to a grayscale control structure, including a first substrate, a light extraction layer, an electrode layer, a liquid crystal layer, a filter layer and a second substrate which are sequentially stacked. The electrode layer is provided with a plurality of strip-shaped electrodes arranged in parallel to form lens units in the liquid crystal layer. The filter layer includes light exit strips and a black matrix arranged in parallel, and the light exit strips are disposed opposite to the lens units. Light extraction gratings are disposed in the light extraction layer, the light extraction gratings are disposed opposite to the light exit strips, and a projection of individual one of the light exit strips on the light extraction layer covers a corresponding one of the light extraction gratings.
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公开(公告)号：US20200285109A1
公开(公告)日：2020-09-10
申请号：US16882932
申请日：2020-05-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhongxiao Li , Xue Dong , Xiaochuan Chen , Wenqing Zhao , Haiyan Wang
IPC: G02F1/1335 , G02F1/13357 , G02F1/1343 , G02F1/29
Abstract: A display device and a display method using the same are disclosed. The display device includes: a display panel including a first substrate, a second substrate and a liquid crystal prism arranged between the first substrate and the second substrate; and a backlight source configured to emit a light which is incident onto the second substrate at an oblique angle; wherein the liquid crystal prism is configured to adjust a deflection angle of the light emitted from the backlight source traveling between the first substrate and the second substrate such that the light emitted from the backlight source is totally-reflected at a light exit face of the display device or exits from the light exit face of the display device.
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公开(公告)号：US10684529B2
公开(公告)日：2020-06-16
申请号：US16119675
申请日：2018-08-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haiyan Wang
IPC: G02F1/29 , G02F1/1335
Abstract: A display panel, a method for adjusting a grayscale of the display panel, and a display device are disclosed. The display panel includes: a first substrate and a second substrate opposite thereto, and a liquid crystal layer therebetween. At least a first electrode assembly is provided on a surface of the first substrate facing towards the liquid crystal layer, and is configured to drive liquid crystal molecules in a first region of the liquid crystal layer abutting against the first electrode assembly to deflect to form a first lens having a first refractive-index distribution, and at least a second electrode assembly is provided on a surface of the second substrate facing towards the liquid crystal layer, and configured to drive liquid crystal molecules in a second region of the liquid crystal layer abutting against the second electrode assembly to deflect to form a second lens having a second refractive-index distribution.
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公开(公告)号：US20200183179A1
公开(公告)日：2020-06-11
申请号：US16737533
申请日：2020-01-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Haiyan Wang , Hui Li , Yunyun Tian , Zheng Fang , Hyun-Sic Choi
IPC: G02B30/27 , G02F1/137 , G02F1/1343 , G02F1/1333
Abstract: The present disclosure provides a liquid crystal lens and a display apparatus. The liquid crystal lens includes a first substrate and a second substrate arranged to be opposite to each other, a common electrode being provided on the second substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; liquid crystal lens units, each of which includes a first group of strip-shaped electrodes and a second group of strip-shaped electrodes parallel to each other and spaced apart thereon, upon applying a voltage among the first and second groups, and the common electrode, a planoconvex lens is formed within the liquid crystal molecules between them, wherein each of the first and second groups includes layers of sub-electrodes insulated from each other, the sub-electrodes of the first and second groups are applied with a voltage, so as to adjust symmetry of the planoconvex lens.
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公开(公告)号：US10598987B2
公开(公告)日：2020-03-24
申请号：US16022931
申请日：2018-06-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Haiyan Wang
IPC: G02F1/1335 , G02F1/1343 , G02F1/1337 , F21V8/00 , G02F1/13357 , G02F1/1362
Abstract: A liquid crystal grating includes a liquid crystal layer arranged between a first substrate and a second substrate; a quantum dot layer including a plurality of sub-pixels distributed in an array, each of the sub-pixels includes a light-shielding region located at a central portion of the sub-pixel and a quantum dot region that is separate from the light-shielding region; an electrode structure distributed across the plurality of sub-pixels; and a light input layer defining a plurality of light input ports each arranged opposite to the light-shielding region of a respective one of the sub-pixels. The electrode structure is configured to change light transmission of the liquid crystal layer depending on control voltages applied to the electrode structure.
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