Patents Assigned to Display Technologies
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Patent number: 12198649Abstract: This application discloses a display panel and a mobile terminal. The display panel includes a pixel array and data lines. The pixel array includes sub-pixels. A data line is connected to sub-pixels with same polarity in a column of sub-pixels, and the data line and sub-pixels connected to the data line are spaced by at least one sub-pixel, to form a column-spaced connection manner between the data line and the sub-pixels. Thereby, the display panel can reduce crosstalk and improve the charging uniformity.Type: GrantFiled: August 27, 2021Date of Patent: January 14, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Chunxiao Hu, Yoonsung Um, Juncheng Xiao, Ji Li, Yun Yu, Xiaojin He, Jinming Liu
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Patent number: 12198620Abstract: In an OLED display panel provided by the present application, a capacitance value of a first capacitor corresponding to a sub-pixel circuit of at least one color is different from a capacitance value of the first capacitor corresponding to a sub-pixel circuit of another one color in red sub-pixel circuits, green sub-pixel circuits, and blue sub-pixel circuits, so that a capacitance value of the first capacitor corresponding to the green sub-pixel circuits is greatest; in the red sub-pixel circuits, the green sub-pixel circuits, and the blue sub-pixel circuits, a capacitance value of the first capacitor corresponding to the blue sub-pixel circuit is least.Type: GrantFiled: May 13, 2022Date of Patent: January 14, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Wei Wang, Qing Huang
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Patent number: 12195433Abstract: Embodiments of the present invention disclose an organic compound, a preparation method thereof, and a display panel. The organic compound is represented by the following general formula: wherein Ar comprises any one or a combination of hydrogen, an isotope of hydrogen, an aromatic group, an arylamine group, a heteroarylamine group, and a fused ring group; and R1 and R2 are each independently any one or a combination of alkyl, alkoxy, heteroalkyl, and an aromatic group. In the embodiments of the present invention, by adding other electron-donating groups on the basis of a phenazine-fused fluorene structure, organic compounds with high mobility are obtained.Type: GrantFiled: May 24, 2021Date of Patent: January 14, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Keyan Bai
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Patent number: 12198601Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate and a driving circuit arranged on the base substrate. The driving circuit includes multiple denoising transistors and multiple transistors for driving, and the denoising transistors are electrically connected to a pull-up node. A length of a channel of each of at least a part of the denoising transistors is a first length L1, a length of a channel of each of at least a part of the multiple transistors for driving is a second length L2, and the first length L1 is not equal to the second length L2.Type: GrantFiled: March 21, 2022Date of Patent: January 14, 2025Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qi Liu, Chunxu Zhang, Jiantao Liu, Lei Guo, Maoxiu Zhou, Min Cheng, Xiaoting Jiang
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Patent number: 12197673Abstract: An organic light emitting diode (OLED) display device, comprising: an OLED display panel, comprising a substrate, a driving circuit layer and a touch layer; wherein the OLED display panel further comprises a touch bonding terminal area and a display bonding terminal area, and the touch bonding terminal area is provided with a touch bonding terminal and the display bonding terminal area is provided with a display bonding terminal; a touch driving chip, comprising a touch connection terminal and a display connection terminal; and a flexible circuit board; wherein the flexible circuit board comprises a converting terminal and a converting line, and the touch bonding terminal is bonded to the converting terminal, and one end of the converting line is connected to the converting terminal and an other end of the converting line is connected to the touch connection terminal.Type: GrantFiled: September 13, 2021Date of Patent: January 14, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Jian Ye, Pengfei Liang
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Patent number: 12199228Abstract: A display panel, a manufacturing method thereof, and a bonding structure are provided. The display panel includes a first body electrode and a second body electrode disposed on a same layer on a substrate and disposed oppositely. A first conductive electrode is disposed on the first body electrode. A light-emitting device includes a first lead and a second lead disposed opposite to each other. The first lead is disposed to contact the first body electrode and the first conductive electrode. The second lead contacts the second body electrode.Type: GrantFiled: September 18, 2021Date of Patent: January 14, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jinyang Zhao, Dongze Li
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Publication number: 20250017087Abstract: A display panel, a display module and a display device. The display panel comprises a substrate, a light emitting device layer disposed on one side of the substrate, a light extraction layer assembly disposed on the side of the light emitting device layer facing away from the substrate and an encapsulation structure wherein the light extraction layer assembly comprises at least two light extraction layers arranged in a stacked configuration, and the at least two light extraction layers comprise a primary extraction layer and at least one secondary extraction layer disposed on one side or two opposite sides of the primary extraction layer, and a refractive index n5 of the primary extraction layer is greater than a refractive index of the secondary extraction layer.Type: ApplicationFiled: September 18, 2024Publication date: January 9, 2025Applicant: KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD.Inventors: Tiantian LI, Won Jun SONG, Mihwa HA, Yu GAO, Chufang MA
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Publication number: 20250017078Abstract: A backboard structure includes an array substrate, a passivation layer, a planarization layer, a padding portion, a pixel definition layer, and a cathode layer. The passivation layer is formed on the array substrate and covering an auxiliary electrode layer on the array substrate. A hole is formed through the passivation layer at a position corresponding to the auxiliary electrode layer. The supporting electrode layer is formed on an inner wall of the hole and covering a portion of the supporting electrode layer. The pixel definition layer formed on the planarization layer includes an extension section covering the inner wall of the hole. The extension section surrounds to form an overlapping hole, and extends towards a raised part to form a drilled structure. A continuous overlap section is overlapped with the auxiliary electrode layer through an overlap hole and a drilling structure.Type: ApplicationFiled: December 29, 2023Publication date: January 9, 2025Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Fanjing WU, Jingyuan HU
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Publication number: 20250013264Abstract: A flexible display module and a mobile terminal are disclosed. The flexible display module includes a first bending region, a second bending region and at least one bidirectional bending region located at an overlap position between the first bending region and the second bending region, wherein the flexible display module includes a support layer, and the support layer includes a cut-out structure at least disposed in the bidirectional bending region. The cut-out structure includes multiple cut-out holes. The cut-out hole includes a long axis and a short axis arranged in a cross manner.Type: ApplicationFiled: September 18, 2024Publication date: January 9, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Wenqiang WANG
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Publication number: 20250014514Abstract: A pixel driving circuit includes a driving sub-circuit and a control sub-circuit. The driving sub-circuit is coupled to a data signal terminal, a scan signal terminal, a first power supply voltage terminal, an enable signal control terminal and an element to be driven, and the driving sub-circuit is configured to, in response to an enable signal, transmit a generated driving signal to the element to be driven, and control a current path transmitting the driving signal to be turned on and off. The control sub-circuit is coupled to the enable signal control terminal, and the control sub-circuit is configured to, in response to a signal received at the control signal terminal, transmit a signal 10 received at a first enable signal terminal or a signal received at a second enable signal terminal to the enable signal control terminal.Type: ApplicationFiled: July 21, 2022Publication date: January 9, 2025Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ning CONG, Li XIAO, Haoliang ZHENG, Can ZHANG, Minghua XUAN, Xiaochuan CHEN, Can WANG, Jinfei NIU, Jingjing ZHANG
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Patent number: 12193326Abstract: An electron transport material and a fabricating method thereof according to embodiments of the present application are described, which relate to displays. The electron transport material has high electron mobility, which can improve a luminous efficiency of an OLED device. The fabricating method is simple to operate, and a performance of the organic light-emitting diode fabricating by using the electron transport material is also good.Type: GrantFiled: June 3, 2021Date of Patent: January 7, 2025Assignees: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Kui Wang
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Patent number: 12193289Abstract: A display panel is provided. The display panel includes a display area and a non-display area adjacent to the display area. The display panel includes a substrate and a driving circuit layer disposed on the substrate. The driving circuit layer includes a plurality of data lines located in the display area and extending along a first direction, and a plurality of first traces located at least partially in the display area and electrically connected to the data lines and a driving chip. A connecting hole(s) of the first traces and the data lines is located in the display area.Type: GrantFiled: December 17, 2021Date of Patent: January 7, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yanyang Li, Shaojing Wu, Xiaoguang Zhu
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Patent number: 12191260Abstract: The present application discloses a display panel and a display apparatus. The display panel includes a substrate, a first shielding layer and a driving circuit layer. The first shielding layer is located on a side of the substrate, and the first shielding layer includes a plurality of first shielding units located in a first display region and a plurality of second shielding units located in a second display region. At least a portion of adjacent first shielding units are connected through first connecting parts, and a portion of adjacent second shielding units are connected through second connecting parts. The driving circuit layer is located on a side of the first shielding layer away from the substrate, the driving circuit layer includes a plurality of driving circuits, and each driving circuit includes a driving transistor.Type: GrantFiled: April 19, 2022Date of Patent: January 7, 2025Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.Inventors: Yihua Zhu, Qingjun Lai, Jinjin Yang, Jiaxian Liu
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Patent number: 12190806Abstract: A display panel including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a data writing transistor, a threshold compensation transistor, a first reset transistor, a bias transistor, and a light-emitting control module, the data writing transistor being electrically connected to a first terminal of the driving transistor, the threshold compensation transistor being connected in series between a gate of the driving transistor and a second terminal of the driving transistor, and configured to detect and self-compensate a threshold voltage deviation of the driving transistor, the first reset transistor and the bias transistor being electrically connected to the second terminal of the driving transistor, the light-emitting control module being connected in series with the driving transistor and the light-emitting element to control whether a driving current flows through the light-emitting element, the data writing transistor and the first reset transistor having thType: GrantFiled: December 16, 2022Date of Patent: January 7, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventors: Shui He, Shanshan Zheng, Jinjin Yang, Jiansheng Zhong, Qiaoling Zhong
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Patent number: 12188879Abstract: The present application provides a detection method of a wrinkle degree of a screen and a visual detection device, the detection method includes: providing detection rays and irradiating the detection rays vertically onto a surface to be measured of a folding screen by an optical element; acquiring detection rays vertically reflected by the surface to be measured of the folding screen to obtain a corresponding light source reflection image; analyzing the light source reflection image to obtain an evaluation index of a wrinkle degree of the folding screen; and evaluating the wrinkle degree of the folding screen.Type: GrantFiled: November 25, 2021Date of Patent: January 7, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yali Liu, Yongzhen Jia
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Patent number: 12189428Abstract: The present disclosure provides a foldable display device and an electronic apparatus, wherein a protection layer as an outermost layer of a flexible display screen is connected to an ornamental member, and an activity space is reserved between the ornamental member and inner side surfaces of a frame. As such, when the flexible display screen is folded, side edges of the protection layer may be shifted forward with respect to a display module, and then the ornamental member may approach the frame in a direction in which the protection layer is shifted, so that the ornamental member may conceal the dislocation occurring when the flexible display screen is folded, along with the protection layer, so as to improve the user's look-and-feel.Type: GrantFiled: May 31, 2022Date of Patent: January 7, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Yu Fan
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Patent number: 12190782Abstract: The present disclosure provides a shift register, a gate driving circuit and a display panel. The shift register includes a transistor, which includes a gate electrode, a gate insulating layer, an active layer, a first electrode and a second electrode; the first and second electrode are of comb-shaped structures; the first electrode includes first and second comb tooth portions arranged at intervals, and a first comb handle portion connecting the first and second comb tooth portions; and comb tooth electrodes of the first comb tooth portions have a different length from those of the second comb tooth portions; the second electrode includes third and fourth comb tooth portions arranged at intervals, and a second comb handle portion connecting the third and fourth comb tooth portions; the first and third comb tooth portions form an inter-digital structure, the second and fourth comb tooth portions form an inter-digital structure.Type: GrantFiled: October 29, 2023Date of Patent: January 7, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tingting Wang, Qi Wang, Yan Yan
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Patent number: 12189230Abstract: A display panel and a display device. The display panel includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a driving circuit layer. The driving circuit layer includes a light-shielding portion and a plurality of light-transmitting portions. The second substrate includes a light-shielding layer. The light-shielding layer includes a body portion and a plurality of hollow portions. The body portion is disposed corresponding to the light-shielding portion. The hollow portions are disposed corresponding to the light-transmitting portions. The first substrate further includes a refractive layer disposed on a side of the light-shielding portion away from the liquid crystal layer, or the second substrate further includes a refractive layer disposed on a side of the body portion away from the liquid crystal layer.Type: GrantFiled: November 15, 2023Date of Patent: January 7, 2025Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.Inventor: Yunpeng Lin
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Patent number: 12189897Abstract: The present invention relates to a touch display device, a drive control circuit for the touch display device, and a method for operating the touch display device. The touch display device includes a drive control circuit, the drive control circuit is configured to: in a display phase, provide a common voltage signal to a common electrode in a pixel circuit of the touch display device; in a touch phase, provide a touch drive signal to the common electrode, wherein a ratio of an average value of a high level and a low level of the touch drive signal to a value of the common voltage signal ranges from 0.8 to 1.2.Type: GrantFiled: June 25, 2021Date of Patent: January 7, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yinlong Zhang, Zhihua Sun, Pengfei Hu, Senwang Li, Yanping Liao, Xibin Shao, Xiaofeng Yin, Jiantao Liu, Kaiming Shi, Jinling Zhang
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Patent number: 12193309Abstract: An OLED display panel and an electronic device are disclosed. The OLED display panel comprises a main display part and a first organic packaging layer, and the main display part has a display area and a non-display area disposed around the display area; and the first organic packaging layer is disposed on the main display part, wherein the first organic packaging layer comprises a first organic packaging section, the first organic packaging section is located in the non-display area, and the first organic packaging section comprises water absorbent.Type: GrantFiled: December 21, 2021Date of Patent: January 7, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Weiran Cao, Jinchuan Li, Ying Liu, Wendong Lian