Patents by Inventor Liang Sun
Liang Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11968868Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of pixel island regions spaced apart from each other. A plurality of connection bridge regions connecting adjacent ones of the pixel island regions to each other. At least one of the connection bridge regions includes a first metal layer, a second metal layer, and a third metal layer disposed in a stacked arrangement, and each of the first metal layer, the second metal layer, and the third metal layer is patterned into at least one metal trace.Type: GrantFiled: December 31, 2020Date of Patent: April 23, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Likun Cheng, Liang Sun, Shijuan Yi
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Publication number: 20240127738Abstract: The present application discloses a pixel circuit and a display panel. The pixel circuit includes a writing module, a transfer module, a first time-division transmission module, a drive module, a second time-division transmission module and a storing module. The storing module and the transfer module can be simultaneously charged with electricity through a data signal, and the storing module can be recharged by the transfer module in a light-emitting phase through the first time-division transmission module, the drive module and the second time-division transmission module.Type: ApplicationFiled: June 7, 2021Publication date: April 18, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Liang SUN, Mian ZENG
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Publication number: 20240127737Abstract: A pixel circuit, a display panel and a control method are disclosed. The pixel circuit includes a light-emitting device, a driving module, and a light-emitting control module. By inserting the corresponding number of black frame insertion pulses into the light-emitting control signal during the early light-emitting stage and the late light-emitting stage of one frame, the difference between the sum of the light-emitting currents in the early light-emitting stage of said frame and the sum of the light-emitting currents in the late light-emitting stage of said frame can be reduced, and the perceived brightness difference in one frame can be effectively reduced, so as to improve the screen flickers.Type: ApplicationFiled: May 10, 2021Publication date: April 18, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Liang SUN, Mian ZENG
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Publication number: 20240118757Abstract: A micro light emitting diode touch display panel is provided with a pixel driving circuit, a power supply voltage signal line electrically connecting the pixel driving circuit, a first contact electrode electrically connecting the power supply voltage signal line, and a micro light emitting unit bonded to connect the first contact electrode. In a touch driving phase, the first contact electrode is re-used as a touch electrode, and the power supply voltage signal line is re-used as a touch signal line, thereby reducing the production costs, and promoting the production capacity as well as ensuring the touch control and display effects.Type: ApplicationFiled: December 22, 2021Publication date: April 11, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Shijuan YI, Liang SUN
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Patent number: 11942033Abstract: A driving circuit and a display panel are provided. The driving circuit includes a driving module and an additional module. The driving module includes a first transistor electrically connected to a first signal line and a connection transistor connected to a gate of the first transistor. The connection transistor has a connection node. The additional module includes a second transistor having the same threshold voltage as the first transistor, and the second transistor is connected between the connection node and the first signal line.Type: GrantFiled: June 29, 2021Date of Patent: March 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Mian Zeng, Liang Sun
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Patent number: 11915649Abstract: Embodiments of the present disclosure are directed to a pixel circuit and a display panel. The pixel circuit includes a light-emitting device, a driving transistor, a data signal writing module, a threshold voltage compensation module, a first initialization module, a light-emitting control module, and a coupling capacitor. By adding a coupling capacitor in the pixel circuit, the gate potential of the driving transistor is maintained at the initial value under a long period of display.Type: GrantFiled: June 30, 2022Date of Patent: February 27, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Dachao Liu, Mian Zeng, Liang Sun
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Publication number: 20240057758Abstract: A folding table includes: a table top, a plurality of table legs hinged to the table top, a plurality of folding stools detachably fixed to the bottom of the table top, and folding support bars disposed between the table top and the table legs. The folding support bars include first support bars pivotally connected to the table legs and second support bars pivotally connected to the table top; the first support bars are hinged to the second support bars; a clamping part is disposed between each first support bar and each second support bar to position the first support bar and the second support bar when the folding table is in an unfolding state.Type: ApplicationFiled: August 16, 2023Publication date: February 22, 2024Inventor: Liang SUN
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Publication number: 20240057776Abstract: A telescopic stool, including: a first connection ring, a second connection ring, a plurality of clamping seats, a plurality of anti-deformation members, and a plurality of tightening members. The second connection ring is disposed on an upper part of an inner side of the first connection ring; the plurality of clamping seats are equidistantly disposed on a lower part of an inner side of the second connection ring; the plurality of anti-deformation members are clamped on the plurality of clamping seats, respectively; the plurality of tightening members are disposed on the plurality of clamping seats, respectively; each of the plurality of anti-deformation members comprises an active connection seat, a fixed block, a first active clamping block, an active connection rod, a second active clamping block, a support block, an elastic spring, and a fixed support rod; the active connection seat is clamped on the plurality of clamping seats.Type: ApplicationFiled: October 31, 2023Publication date: February 22, 2024Inventor: Liang SUN
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Publication number: 20240047477Abstract: A curved display module is provided, which includes a stretchable display panel and a first support layer. The stretchable display panel includes a plurality of pixel islands and a connection bridge configured for connecting adjacent two of the pixel islands. A stretching degree of the connection bridge in the first stretching area is less than a stretching degree of the connection bridge in the second stretching area. A four-sided curved 3D stereo display panel is realized by the present disclosure, and the risk of distortion and deformation of the display panel during stretching is reduced as well.Type: ApplicationFiled: September 2, 2021Publication date: February 8, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTDInventors: Li Hu, Bingkun Yin, Liang Sun
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Publication number: 20240049519Abstract: The present application provides a flexible display panel, a manufacturing method of the flexible display panel, and an electronic device. The flexible display panel includes an elastic substrate, main pixel islands, and auxiliary pixel islands. When the elastic substrate is in a natural state, the main pixel islands enclose a light emitting side of the auxiliary pixel islands to receive the auxiliary pixel islands. When the elastic substrate is in a stretched state, the main pixel islands are away from the auxiliary pixel islands to expose the auxiliary pixel islands, and the auxiliary pixel islands cooperate with the main pixel islands for displaying images. Accordingly, the present application increases a pixel density of a stretched portion of the flexible display panel.Type: ApplicationFiled: July 19, 2021Publication date: February 8, 2024Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Bingkun YIN, Li HU, Liang SUN
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Publication number: 20240043309Abstract: A forming apparatus of a curved display panel and a forming method of same, and a curved display panel are provided. The forming apparatus includes a mapping structure with a plurality of pins and a copying jig. One end of the plurality of pins is configured to attach to a display panel. The copying jig includes a copying surface disposed under the mapping structure. The copying jig can be driven to make the copying surface attach to the other end of the plurality of pins. In this fashion, the forming apparatus can make the overall stretching process of the display panel controllable, and can also achieve a better forming effect.Type: ApplicationFiled: September 24, 2021Publication date: February 8, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Ping He, Liang Sun
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Publication number: 20240046864Abstract: Disclosed are a pixel circuit and a display panel. The pixel circuit includes a Light emitting device, a Data signal write-in module, a Driving transistor, a Compensation module, a First initialization module, and a Light emitting control module. The first initialization module is electrically connected to the compensation module and electrically connected to the gate of the driving transistor through the compensation module. When the voltage level of the gate of the driving transistor, the number of the transistors connected to the driving transistor could be reduced.Type: ApplicationFiled: December 17, 2021Publication date: February 8, 2024Inventors: Mian Zeng, Liang Sun
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Publication number: 20240048855Abstract: The present disclosure relates to systems and methods for video surveillance. The systems may obtain an initial time period corresponding to at least part of a time period during which at least one target image frame is captured by the monitoring equipment based on at least one parameter of a monitoring equipment. The systems may obtain a warning scheme associated with the initial time period. The warning scheme may include controlling an operation of a light associated with the monitoring equipment within at least one candidate time period in the initial time period and processing the at least one target image frame.Type: ApplicationFiled: October 17, 2023Publication date: February 8, 2024Applicant: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.Inventors: Jianmiao WANG, Feiyue ZHU, Liang SUN, Jintao CHEN, Yuan CHEN, Wentao WANG
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Publication number: 20240040690Abstract: The present application discloses a display panel and a display device, including a plurality of pixel islands, a plurality of connection bridges connecting the plurality of pixel islands, and first power lines and second power line arranged on the plurality of connection bridges and conducting the plurality of pixel islands, wherein the plurality of connection bridges include first connection bridges arranged along a first direction, and only the first power line or the second power line is provided on each of the first connection bridges.Type: ApplicationFiled: December 30, 2020Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shijuan Yi, Liang Sun, Likun Cheng
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Publication number: 20240036670Abstract: A display panel and a mobile terminal are provided. The display panel includes a driving circuit layer, a fingerprint recognition sensor, and a light emitting device layer. The fingerprint recognition sensor is disposed on a side of the driving circuit layer, and the fingerprint recognition sensor is an ultrasonic sensor. The light emitting device layer is arranged on a side of the fingerprint recognition sensor away from the driving circuit layer.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shijuan Yi, Liang Sun, Mian Zeng, Pengfei Jiang, Likun Cheng
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Publication number: 20240038141Abstract: The present application provides a pixel circuit and a display device; the pixel circuit includes a driving unit, a light emitting control unit electrically connected to the driving unit, and a first reset unit electrically connected to the driving unit, and a first end of the first reset unit is electrically connected to the driving unit, a second end of the first reset unit is electrically connected to the first constant voltage signal input end, and a control end of the first reset unit is electrically connected to the first reset signal input end.Type: ApplicationFiled: December 22, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Mian ZENG, Liang SUN
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Publication number: 20240038161Abstract: A pixel circuit, a display device, and a method of driving the same are provided. The pixel circuit includes a light emitting element, a first transistor, and a second transistor. In response to a time voltage signal provided by a time voltage line RST, the second transistor T2 is turned off during a display scan period of one frame period and is turned on during a self scan period of one frame period to reset the first transistor Ti during the self scan period of one frame period.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Mian Zeng, Liang Sun
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Publication number: 20240040884Abstract: A display panel, a method for manufacturing the same, and a display terminal are provided. The display panel includes an array substrate, a light-emitting device layer, and a color resist layer. The light-emitting device layer is disposed on the array substrate and includes a red light-emitting device, a first blue light-emitting device, and a second blue light-emitting device. The color resist layer is disposed on the light-emitting device layer and includes a red color resist, a blue color resist, and a green color conversion unit. The red color resist is disposed corresponding to the red light-emitting device. The blue color resist is disposed corresponding to the first blue light-emitting device. The green color conversion unit is disposed corresponding to the second blue light-emitting device and is configured to convert a light emitted by the second blue light-emitting device into a green light.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Liang Sun, Chaoqun Yang
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Publication number: 20240038160Abstract: Disclosed is a pixel circuit and a display device. The pixel circuit includes a driving unit, a light-emitting control unit, and a compensation unit. The driving unit and light-emitting control unit are electrically connected between a first power input terminal and a light-emitting unit. The compensation unit is electrically connected between the driving unit and the light-emitting control unit. A first capacitor is electrically connected between the compensation unit and the control signal input terminal.Type: ApplicationFiled: December 9, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Mian Zeng, Liang Sun
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Publication number: 20240040912Abstract: A display panel and a display device are disclosed. The display panel includes a substrate, a light emitting layer, a protective layer and a light adjusting layer. The protective layer is located on the side of the light emitting layer far away from the substrate, the protective layer includes a plurality of stop blocks disposed corresponding to gaps between light emitting pixels, and the light adjusting layer is located between adjacent two stop blocks and covers the stop blocks. A refractive index of the protective layer is less than a refractive index of the light adjusting layer, and the light is totally reflected at a junction between the light adjusting layer and the stop block, which improves the forward light efficiency and light output efficiency.Type: ApplicationFiled: December 20, 2021Publication date: February 1, 2024Inventors: He JIANG, Liang SUN