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公开(公告)号：US20180088438A1
公开(公告)日：2018-03-29
申请号：US15521935
申请日：2016-06-03
Inventor： Qian Wang , Xiaochuan Chen , Wenqing Zhao , Rui Xu , Lei Wang , Ming Yang , Pengcheng Lu , Jian Gao , Xiaochen Niu
IPC: G02F1/29
CPC classification number: G02F1/292 , G02F1/1323 , G02F1/13471
Abstract: A display device, including a backlight module and a display module which is located at a light exiting side of the backlight module, the display device further includes a grating selector which is located between the backlight module and the display module and an optical modulation unit which is located at the light exiting side of the display module. The display module includes: a pixel array including a plurality of pixels, each pixel has a plurality of blocks; and a grating microstructure configured to control each block of the pixel to exit light in different directions. The grating selector is configured to control light emitted from the backlight module to illuminate on a corresponding block of the pixel, so that the light can exiting from the pixel in a particular direction. The optical modulation unit is configured to modulate the light exiting from the pixel in the particular direction.
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122.发明申请公开(公告)号：US20180088344A1
公开(公告)日：2018-03-29
申请号：US15539715
申请日：2016-10-24
Inventor： Ming Yang , Qian Wang , Xiaochuan Chen , Wenqing Zhao , Pengcheng Lu , Rui Xu , Lei Wang , Xiaochen Niu , Jian Gao , Haisheng Wang
IPC: G02B27/22 , G02F1/1335 , G02B27/26 , G02F1/1343
Abstract: A display device, a glasses-free three-dimensional display system and virtual reality (VR) glasses are disclosed. The display device includes a backlight; a polarizer disposed on a light-emitting side of the backlight and a plurality of liquid crystal displays (LCDs) stacked on a light-emitting side of the polarizer. Each LCD includes a plurality of light adjusting units; the light adjusting units of the plurality of LCDs are staggered from each other; and the light adjusting unit is configured to allow light emitted by the backlight to be refracted and emitted to a target position or be totally reflected.
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公开(公告)号：US09874763B2
公开(公告)日：2018-01-23
申请号：US15106191
申请日：2015-09-10
Inventor： Pengcheng Lu , Xue Dong , Xiaochuan Chen , Ming Yang , Qian Wang
IPC: G02B27/22 , G02F1/1335 , G09G3/34 , G09G3/36 , H01L27/32
CPC classification number: G02B27/2214 , G02B27/22 , G02F1/133514 , G02F1/133526 , G02F1/133528 , G02F1/133603 , G02F2001/133622 , G02F2001/133626 , G02F2201/44 , G02F2201/52 , G02F2202/28 , G02F2203/62 , G09G3/003 , G09G3/3413 , G09G3/3426 , G09G3/3607 , G09G2300/023 , G09G2310/0235 , H01L27/3232 , H04N13/31 , H04N13/359
Abstract: The embodiment of the present application discloses a 2D/3D switchable display panel, and a display method and a display device thereof, so as to solve the problem of poor display effect in 2D display mode of existing 2D/3D display panel. The 2D/3D switchable display panel includes a self-luminescent OLED display panel and a LCD panel provided with no color resistance layer, which LCD display panel is disposed on the display side of the OLED display panel. The OLED display panel is used for display images when the 2D/3D switchable display panel operates in 3D display mode while functions as a backlight source module when the 2D/3D switchable display panel operates in 2D display mode; whereas the LCD display panel functions as a grating when the 2D/3D switchable display panel operates in 3D display mode while displays images when the 2D/3D switchable display panel operates in 2D display mode.
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公开(公告)号：US09824636B2
公开(公告)日：2017-11-21
申请号：US14743490
申请日：2015-06-18
Inventor： Pengcheng Lu , Zhongjun Chen , Xue Dong , Renwei Guo , Peng Liu , Mubing Li , Jinghua Miao
IPC: G09G3/34
CPC classification number: G09G3/3406 , G09G2320/0242 , G09G2320/0626 , G09G2330/021 , G09G2340/06 , G09G2360/16
Abstract: A display device and a method of adjusting backlight brightness of the display device are provided. The method includes converting original RGB signals of each pixel to corresponding RGBW signals; determining the color and original brightness value of each pixel based on the gray value ratio of the original RGB signals of each pixel; determining the backlight brightness value of each pixel based on the color of each pixel after the original RGB signals being converted; and performing weighted average calculation on the backlight brightness values of each pixel after the signals being converted, so as to obtain a whole backlight brightness adjustment value of all pixels.
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公开(公告)号：US20170262686A1
公开(公告)日：2017-09-14
申请号：US15116172
申请日：2016-01-21
Inventor： Jian Gao , Yingming Liu , Xiaochen Niu , Xiaochuan Chen , Haisheng Wang , Qian Wang , Ming Yang , Pengcheng Lu
IPC: G06K9/00
CPC classification number: G06K9/0004 , G06K9/00046 , G06K9/00053
Abstract: A fingerprint identifying device and a fingerprint identifying system are provided. The fingerprint identifying device including: a substrate; a transparent cover plate, located right above the substrate; a detection light source, located on a first side of the transparent cover plate; and a photoelectric sensor, located on a side of a lower surface of the transparent cover plate, wherein, a refractive index of the transparent cover plate is less than a refractive index of a skin of a human fingerprint part, the transparent cover plate has a side surface on the first side, and an angle between the side surface and an upper surface of the transparent cover plate is an acute angle, the detection light source is configured to provide a light beam towards the side surface of the transparent cover plate, so that the light beam is incident to the upper surface of the transparent cover plate through the side surface of the transparent cover plate, and the light beam is totally reflected on the upper surface of the transparent cover plate in a case that the upper surface of the transparent cover plate is in contact with air, the photoelectric sensor is configured to receive a light beam reflected from the upper surface of the transparent cover plate. The fingerprint identifying device is capable of improving the identifying accuracy thereof.
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Patent Agency Ranking
公开(公告)号：US12266317B2
公开(公告)日：2025-04-01
申请号：US18028026
申请日：2022-06-24
Inventor： Longfei Fan , Xiaochuan Chen , Pengcheng Lu
IPC: G09G3/3233 , G09G3/3291
Abstract: A pixel circuit, a driving method, and a display device. The pixel circuit includes a light-emitting element, a data writing circuit, a first control circuit, a driving circuit, a first power storage circuit, and a second power storage circuit. The first control circuit is configured to write a first initial voltage provided by a first initial voltage terminal into a first electrode of the light-emitting element under control of a first control signal provided by a first control terminal in a non-light-emitting phase. The driving circuit drives the light-emitting element to emit light under the control of a potential of a control terminal of the driving circuit. The present disclosure enhances the contrast in the non-light-emitting phase.
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公开(公告)号：US12217705B2
公开(公告)日：2025-02-04
申请号：US18025521
申请日：2022-06-24
Inventor： Yaoxi Ma , Longfei Fan , Shanghong Jiang , Pengcheng Lu , Shengji Yang , Xiaochuan Chen , Dachao Li
IPC: G09G3/3291
Abstract: A driving circuit, a driving method, a display device, and a display control method are provided. The driving circuit includes multi-stage driving units and an on/off control circuit. Each of the driving units includes an input end and a driving signal output end, and each of the driving units is configured for outputting a corresponding driving signal via the driving signal output end according to an input signal provided by the input end. The input end of a first-stage driving unit is electrically connected to a start signal end. The on/off control circuit is electrically connected to an on/off control end and input ends of the multi-stage driving units, and configured for controlling the electric connection or electric disconnection of the input ends of the multi-stage driving units under the control of an on/off control signal provided by the on/off control end.
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公开(公告)号：US20250031536A1
公开(公告)日：2025-01-23
申请号：US18548341
申请日：2022-11-15
Inventor： Chao Pu , Shengji Yang , Junyan Yang , Xiaochuan Chen , Kuanta Huang , Pengcheng Lu , Bin Wu , Shengdi Zhu , Yanqiang Ding , Zhicheng Guo , Yun Zhu
IPC: H10K59/131 , H10K59/122 , H10K59/80
Abstract: A display panel and a driving baseplate, relate to the technical field of displaying. The display panel includes an active area and a peripheral area located on at least one side of the active area, and the display panel includes: a driving baseplate, including a substrate and a conducting ring embedded on a surface of one side of the substrate, wherein the conducting ring is located in the peripheral area; a light emitting device, located in the active area and disposed on a side of the driving baseplate close to the conducting ring; an isolation dam, located in the peripheral area and disposed on a side of the conducting ring away from the substrate, wherein the isolation dam overlaps with the conducting ring; and an encapsulation layer, disposed on sides of the light emitting device and the isolation dam away from the substrate.
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公开(公告)号：US12185565B2
公开(公告)日：2024-12-31
申请号：US17258614
申请日：2020-03-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Kui Zhang , Li Liu , Pengcheng Lu , Yunlong Li , Dacheng Zhang
IPC: H10K50/844 , H10K59/38 , H10K71/00
Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes: a display substrate, including a base substrate, a driving transistor embedded on the base substrate, and a first electrode layer located on the base substrate; an encapsulation protection structure located on the display substrate and surrounding a display area of the display substrate; a light emitting layer located on a surface of the first electrode layer away from the base substrate; a second electrode layer located on a surface of the light emitting layer away from the base substrate; and a first encapsulation layer located on a surface of the second electrode layer away from the base substrate.
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公开(公告)号：US20240397805A1
公开(公告)日：2024-11-28
申请号：US18271538
申请日：2022-07-27
Inventor： Chao Pu , Shengji Yang , Xiaochuan Chen , Kuanta Huang , Pengcheng Lu , Junyan Yang , Dachao Li , Rongrong Shi , Junbo Wei , Xiao Bai , Bo Yang , Bin Wu , Shengdi Zhu , Yanqiang Ding , Zhicheng Guo , Yun Zhu
IPC: H10K59/88 , G02B27/01 , G09G3/00 , H10K59/126 , H10K59/131
Abstract: A display panel, a displaying device and a wearable device. The display panel includes a displaying region and a peripheral region surrounding the displaying region, a region of the peripheral region other than the bonding sub-region includes a first testing-unit group and a second testing-unit group, and each of the first testing-unit group and the second testing-unit group includes one or more circuit testing units; the displaying region includes a first lateral side and a second lateral side that extend in a first direction and face each other, the first direction refers to a direction from the bonding sub-region pointing to the displaying region; and a maximum distance from the first testing-unit group to the first lateral side in a direction perpendicular to the first direction is equal to a maximum distance from the second testing-unit group to the second lateral side in the direction perpendicular to the first direction.
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