Patents Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
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Patent number: 11978395Abstract: A display panel and a display device are disclosed. The display panel includes a display substrate, a plurality rows of first pixel driving circuits, a plurality rows of second pixel driving circuits, and a plurality of first reset signal lines; the plurality of reset signal lines comprises a plurality of first reset signal lines and a plurality of second reset signal lines, each of the first reset signal lines is only electrically connected to one row of the first pixel driving circuits; each of the second reset signal lines is electrically connected to one row of the first pixel driving circuits and at least one row of the second pixel driving circuits.Type: GrantFiled: August 3, 2021Date of Patent: May 7, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Jun Zhang, Tao Chen
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Patent number: 11980061Abstract: An organic light-emitting diode (OLED) display panel and a manufacturing method thereof are provided. The OLED display panel includes a folding region and a non-folding region. The folding region includes a first flexible layer, an inorganic layer, a second flexible layer, a buffer layer, a metal wiring layer, a planarization layer, and a pixel defining layer, which are sequentially stacked. A side of the buffer layer opposite to the second flexible layer is provided with holes, and each of the holes is deposited with a first organic filling layer. The metal wiring layer covers a side of the buffer layer and the first organic filling layer, and a cross section of the first organic filling layer of the folding region is formed with a zigzag shape.Type: GrantFiled: June 30, 2020Date of Patent: May 7, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Qi Ouyang, Yang Zhou, Mugyeom Kim
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Patent number: 11979998Abstract: A display device is provided, which has a display panel, a support portion, and a telescopic portion. The display panel has a bending portion for bending so as to fold the display panel inwardly or outwardly. The support portion supports and is connected to the display panel. The telescopic portion is at least disposed opposite to the bending portion, and at least one end of the telescopic portion extends to be movably connected with the support portion, such that a length of a part of the telescopic portion corresponding to the bending portion changes following a bending state of the bending portion.Type: GrantFiled: July 13, 2021Date of Patent: May 7, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Huanhuan Chang
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Patent number: 11979995Abstract: The present disclosure provides a foldable display device, which includes a front frame, a bottom frame assembly, a display panel and a support plate. The support plate includes a bending area and non-bending areas, a plurality of holes arranged in an array are provided in the bending area, the hole incudes two curved side walls arranged oppositely, and the side wall includes at least one curved portion, so as to improve the extension performance and the ability to restore deformation of the bending area of the support plate, and reduce the risk of separation of the inner film layer of the foldable display device.Type: GrantFiled: June 28, 2020Date of Patent: May 7, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Guobao Jiang
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Patent number: 11980080Abstract: A display terminal and a display panel applied in the display terminal are disclosed in the present application. Widths of the non-display areas of the display panel are elongated to fix the non-display areas to a non-display surface of the display terminal, to achieve a bezel-free display effect on two sides of the display terminal in an unfolded state, and a seamless surround display effect and a bezel-free display effect on the two sides of the display terminal in a folded state.Type: GrantFiled: December 3, 2020Date of Patent: May 7, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Qian Jiang
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Publication number: 20240143032Abstract: The present application provides a support member and a foldable display device. The support member includes a first foldable area. When the support member is in a flat unfolded state, the support member includes first grooves in the first foldable area. Two opposite ends of the first groove are indented inwardly in a first direction. The first direction intersects a length direction of the support member.Type: ApplicationFiled: April 18, 2022Publication date: May 2, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wenqiang WANG
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Patent number: 11974471Abstract: The present disclosure provides a display panel and a display device. The display panel includes a first substrate, a first driving circuit layer located on the first substrate, a second substrate located on the first driving circuit layer, and a second driving circuit layer located on the second substrate, and a pixel electrode layer located on the second driving circuit layer.Type: GrantFiled: July 20, 2020Date of Patent: April 30, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Huihui Zhao, Wenxu Xianyu
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Patent number: 11974407Abstract: A foldable display device is provided. A first support is connected to a first rotating member, and a second support is connected to a second rotating member. The first rotating member is rotatably connected to a fixing assembly and connected to a first abutting member. A second rotating member is rotatably connected to the fixing assembly and connected to a second abutting member. When the foldable display device is in a preset state, the first abutting member and a first elastic assembly abut against each other, and a second abutting member and a second elastic assembly abut against each other.Type: GrantFiled: December 22, 2021Date of Patent: April 30, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Huan Cao
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Patent number: 11970645Abstract: An anisotropic conductive adhesive, a display panel and a display device are provided. The anisotropic conductive adhesive includes an adhesive and a plurality of metal balls disposed in the adhesive. At least two annular grooves are defined by a surface of each of the metal balls.Type: GrantFiled: June 19, 2020Date of Patent: April 30, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yicheng Chen, Chi Hu
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Patent number: 11974032Abstract: A display screen and a display device are disclosed. The display screen includes: a first camera area including a first pixel unit and a first light-transmitting area; a second camera area including a second pixel unit and a second light-transmitting area; and a display area surrounding the first camera area and the second camera area, wherein a position of the first pixel unit in the first camera area corresponds to a position of the second light-transmitting area in the second camera area, and a position of the second pixel unit in the second camera area corresponds to a position of the first light-transmitting area in the first camera area.Type: GrantFiled: September 11, 2020Date of Patent: April 30, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Weixin Ma
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Patent number: 11968878Abstract: A display panel is provided in the present disclosure. The display panel has an additional function area, and the display panel includes a substrate, an array layer and a light-emitting device layer disposed in sequence on the substrate, an encapsulation layer covering the light-emitting device layer, and a touch layer disposed on the encapsulation layer. An opening area surrounded by the additional function area is disposed at an edge position of the additional function area. An opening penetrating the array layer and extending to a surface of the substrate is defined by the opening area, and the opening is filled with a light-blocking layer.Type: GrantFiled: June 15, 2020Date of Patent: April 23, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Sihang Bai
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Patent number: 11968791Abstract: A sliding display device includes a housing assembly and a flexible display screen. The housing assembly includes a bottom case, a first support body, a second support body, and a linkage mechanism. The linkage mechanism is configured to drive the second support body to slide out of the bottom case into an expanded state or slide into the bottom case into an unexpanded state. Part of the flexible display screen is hidden between the bottom case and the first supporting body in the unexpanded state. The flexible display screen includes a flexible display panel, a backplate, an adhesive layer, and at least a third support body. The third support body and the second support body collectively form a network structure.Type: GrantFiled: December 21, 2021Date of Patent: April 23, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhuo Zhang, Wen Han
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Patent number: 11968875Abstract: The present application provides a display panel and a display device. The display panel includes an array substrate, a pixel definition layer, an organic light-emitting layer, a cathode layer, an encapsulation layer, and an absorption layer. The absorption layer is arranged on one side of the pixel definition layer away from the array substrate. The absorption layer is arranged corresponding to at least a portion of the pixel definition layer in a curved display region for selectively absorbing at least one color light, so as to reduce a risk of color shift in a white screen at large viewing angles without causing color shift of images at a vertical viewing angle.Type: GrantFiled: September 7, 2020Date of Patent: April 23, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Kan Wang
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Patent number: 11966257Abstract: In a flexible display panel and a flexible display device provided by the present application, a bending end of a support layer is configured inwardly to be shorter than a flexible display module to reduce a bending angle of the support layer. In this way, bending stress on the support layer can be reduced, thereby increasing attachment quality of the support layer and improving attachment reliability.Type: GrantFiled: October 21, 2020Date of Patent: April 23, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Cuilin Zhu
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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: 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: 20240130156Abstract: A light-emitting element includes a pair of electrodes, a first light-emitting unit, a second light-emitting unit, and a charge generation layer. The first light-emitting unit, between the pair of electrodes, and the first light-emitting unit, includes a first light-emitting layer. The second light-emitting unit, between the pair of electrodes, includes a second light-emitting layer. A first luminescent layer includes a first main body material, a second main body material, a first guest material, and a first auxiliary material, and the first main body material forms a first excimer complex with the second main body material. A first excited triplet state energy level of the first auxiliary material is lower than a first excited triplet state energy level of the first excimer complex, and the first excited triplet state energy level of the first auxiliary material is higher than that of the first guest material.Type: ApplicationFiled: September 26, 2023Publication date: April 18, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yu ZHANG, Li YUAN, Munjae LEE, Wenxu XIANYU, Jie YANG, Huizhen PIAO, Mugyeom KIM, Xianjie LI, Jing HUANG, Fang WANG, Kailong WU, Lin YANG, Yu GU, Mingzhou WU, Jingyao SONG, Danhua SHEN, Guo CHENG
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Publication number: 20240130214Abstract: A display module and a display device are provided. The display module includes a fixed function portion and a sliding display portion disposed oppositely. The fixed function portion includes a glass cover plate and a function layer disposed between the glass cover plate and the sliding display portion. The sliding display portion includes a first sub-part close to a side of the fixed function portion and a second sub-part bent and extended from the first sub-part and away from the side of the fixed function portion. The sliding display portion may slide relative to the fixed function portion.Type: ApplicationFiled: September 6, 2021Publication date: April 18, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Wen Han
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Publication number: 20240126387Abstract: The present application provides a display panel and the electronic device. The display panel includes: a substrate; a display layer including light-emitting units; and a touch layer including a first insulating layer, a touch electrode layer, and a second insulating layer. The touch electrode layer includes touch electrodes. Each of the touch electrodes is provided with a first opening corresponding to one of the light-emitting units. Second openings are defined in the first insulating layer and located corresponding to the first openings. The second insulating layer fills the first openings and the second openings, and an included angle between a sidewall of each of the second openings and a side of the first insulating layer close to the display layer is an acute angle.Type: ApplicationFiled: May 31, 2021Publication date: April 18, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Haoran WANG, Jing HUANG
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Publication number: 20240129611Abstract: The present disclosure provides a display device, including a display panel and a camera, the camera is attached to a side of the display panel by an optical glue, wherein the camera includes a housing, a lens, and a spacer. The spacer is fixed on a side of the housing facing the display panel and completely covers a light incident surface of the lens, wherein a first surface of the spacer is attached to the side of the display panel by the optical glue, and the first surface of the spacer is a flat surface, which prevents a problem of reduced optical effect of the camera.Type: ApplicationFiled: February 25, 2021Publication date: April 18, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Junpu Tang