Patents Assigned to Display Technologies
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Publication number: 20240168282Abstract: An optical system includes, in order from a pupil surface side to a display surface side, a first reflective polarizing plate, a first lens having a positive refractive power, a half mirror, a second lens having a positive refractive power, and a second reflective polarizing plate. The optical system further includes a first quarter wave plate arranged between a pupil surface and the half mirror, and a second quarter wave plate arranged between the half mirror and a display surface. The second lens has a paraxially convex surface on the pupil surface side. Further, in the case where a paraxial curvature radius of a surface of the first lens on the pupil surface side is r1 and a paraxial curvature radius of a surface of the first lens on the display surface side is r2, the optical system satisfies a conditional expression below: (1) ?3.2<r1/r2<?0.9.Type: ApplicationFiled: October 31, 2023Publication date: May 23, 2024Applicants: Kantatsu Co., Ltd, Sharp Display Technology CorporationInventors: Ryo Maruyama, Naru Usukura
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Publication number: 20240172534Abstract: A display panel and a mobile terminal are disclosed. The display panel comprises a substrate, a display function layer disposed on the substrate, a first blocking structure surrounding the display function layer, the first blocking structure comprising a transition area, a first inorganic layer at least covering the first blocking structure and the display function layer, an organic layer at least covering the display function layer and the first blocking structure, and a second inorganic layer covering the organic layer; wherein a tightening structure is disposed between the organic layer and the second inorganic layer in the transition area.Type: ApplicationFiled: May 19, 2022Publication date: May 23, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yang Zhang
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Publication number: 20240172478Abstract: A display device is provided, wherein a metal reflective pattern formed at intervals between a plurality of pixel driving circuits is equivalent to or is similar to a first predetermined metal pattern in an area corresponding to the plurality of pixel driving circuits, thereby making reflectance of a transitional display area uniform, and thereby solving a technical problem of uneven brightness in a display device under dark conditions.Type: ApplicationFiled: December 30, 2023Publication date: May 23, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Xue LI
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Publication number: 20240172544Abstract: A manufacturing method of an organic display panel and the organic display panel are provided by the present application and relate to a field of display technology. The present application mainly focuses on an evaporation process of an organic material on an array substrate to form an organic layer. An anode layer of the array substrate and the organic material after vaporization from an evaporation source are applied with different electric charges, so that the anode layer and the organic material after vaporization can attract each other under an action of an electric field during the evaporation process, thereby achieving a fixed-point deposition of the organic material on the anode layer, and preventing or hindering the organic material from depositing on the array substrate, such as the auxiliary electrode and other areas.Type: ApplicationFiled: April 20, 2022Publication date: May 23, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jiexin ZHENG, Wei LU
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Publication number: 20240170493Abstract: The present application relates to a display panel and a method of fabricating a display panel. The display panel includes a plurality of pixel units arranged in an array, at least one of the pixel units is provided with a first transistor and a second transistor. The first transistor includes a first gate electrode, a first source electrode and a first drain electrode, and the second transistor includes a second gate electrode, a second source electrode and a second drain electrode. The first source electrode, the first drain electrode and the second gate are in the same layer.Type: ApplicationFiled: May 31, 2022Publication date: May 23, 2024Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yanhong Meng
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Publication number: 20240172527Abstract: A display panel and a method of manufacturing a display device are disclosed. The display panel includes an array substrate layer, a display functional layer, a first inorganic encapsulation layer, and a composite barrier layer. The composite barrier layer includes a base, a viscosity-reducing adhesive layer disposed between the base and the first inorganic encapsulation layer, a second inorganic encapsulation layer disposed between the viscosity-reducing adhesive layer and the first inorganic encapsulation layer, and an organic adhesive layer disposed between the second inorganic encapsulation layer and the first inorganic encapsulation layer.Type: ApplicationFiled: April 20, 2022Publication date: May 23, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Zongpeng Yang
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Publication number: 20240170492Abstract: The present application provides an array substrate, a manufacturing method thereof, and a display panel thereof. A first ink is coated on an active region of an underlay substrate to form an active layer pattern, a second ink is coated on a channel region on the underlay substrate to form a protective layer pattern. Then the active layer pattern and the protective layer pattern is cured to form films, and to simultaneously form an active layer and a protective layer. The protective layer can protect the channel region of the active layer to mitigate an issue of the conventional corroded and contaminated metal oxide.Type: ApplicationFiled: April 15, 2022Publication date: May 23, 2024Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Leilei Feng, Shan Li
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Publication number: 20240172529Abstract: A display panel and a display device are provided. The display device includes a photosensitive device and the display panel. The display panel includes a base substrate, a driver circuit layer, a column spacer, a light-emitting layer, and a first inorganic encapsulation layer forming a protruding structure corresponding to the column spacer to increase thickness of the first inorganic encapsulation layer, so that an encapsulation effect of the first inorganic encapsulation layer is improved and a risk of moisture intrusion into a display area which renders a light-emitting material failed can be reduced.Type: ApplicationFiled: April 20, 2022Publication date: May 23, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Chen CHEN
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Publication number: 20240172524Abstract: The present disclosure relates to a display panel and a method for preparing a display panel, wherein in a cathode lapping region, the display panel comprises an array substrate, an auxiliary electrode, a light-emitting material layer, and a cathode. An undercut groove is disposed between the auxiliary electrode and the array substrate. The light-emitting material layer is filled in the undercut groove. By filling the light-emitting material layer in the undercut groove, an exposed portion of the auxiliary electrode is in contact with the cathode, thus increasing a contact area between the cathode and the auxiliary electrode.Type: ApplicationFiled: May 18, 2022Publication date: May 23, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Qianyi ZHANG
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Publication number: 20240169922Abstract: A pixel circuit including a drive transistor connected between a first power supply line and a second power supply line; a first compensation transistor having a first electrode electrically connected to a gate of the drive transistor, and a gate electrically connected to a scan line; a second compensation transistor having a first electrode electrically connected to a second electrode of the first compensation transistor, a second electrode electrically connected to a first electrode or a second electrode of the drive transistor, and a gate electrically connected to a first control line, and a third compensation transistor having a first electrode electrically connected to the second electrode of the first compensation transistor and the first electrode of the second compensation transistor, a gate electrically connected to a second control line, and a second electrode electrically connected to a first potential line.Type: ApplicationFiled: November 29, 2023Publication date: May 23, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Tao CHEN
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Publication number: 20240172380Abstract: The present invention provides a display panel and a mobile terminal, including a panel layer including, but not limited to, a first portion, a second portion, and a curved third portion connected therebetween; a protective layer on the third portion; a first support layer on a side of the panel layer away from the protective layer and disposed opposite to the first portion; and a cover layer on the first portion and including an edge as an ink layer; the protective layer has a minimum thickness on a side close to the first portion and between a boundary of the first portion and an inner boundary of the ink layer.Type: ApplicationFiled: March 14, 2022Publication date: May 23, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Feiming Lin, Chen Zhao, Kuihua You, Xiaowen Huang
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Publication number: 20240172539Abstract: A display panel includes a substrate, a thin-film transistor layer disposed on the substrate, an auxiliary layer disposed between the substrate and the thin-film transistor layer and including a first auxiliary layer and at least a second auxiliary layer disposed on a side of the first auxiliary layer close to the substrate. A dielectric constant of a constituent material of the first auxiliary layer is less than a dielectric constant of a constituent material of the substrate and is greater than a dielectric constant of a constituent material of the second auxiliary layer. The second auxiliary layer includes a plurality of auxiliary portions arranged at intervals.Type: ApplicationFiled: April 22, 2022Publication date: May 23, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Xiangxiang ZHANG
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Patent number: 11988930Abstract: A strip-shaped display structure, a display panel and a display apparatus are provided. The strip-shaped main body part includes a strip-shaped display part, extending along a first direction and including a plurality of pixels arranged in an array and a driver circuit; the strip-shaped display part is at a first end part of the strip-shaped main body part; the extension part is connected to a second end part opposite to the first end part of the strip-shaped main body part, and is configured to be bendable from the second end part of the strip-shaped main body part along a bend axis parallel to the first direction to be away from a light exit side of the light emitting device of the pixels; the extension part includes a connection signal line; the connection signal line is connected to the driver circuit to provide a display signal to the driver circuit.Type: GrantFiled: March 27, 2020Date of Patent: May 21, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Enliang Zhang, Jiakun Qi, Hanzhang Niu, Haijun Shi
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Patent number: 11988910Abstract: A viewing angle-controlling liquid crystal panel sequentially includes a first polarizing plate; a first liquid crystal panel; a second polarizing plate; a second liquid crystal panel; and a third polarizing plate, wherein an azimuthal angle ?P1 of the absorption axis of the first polarizing plate, an azimuthal angle ?1 of a director of liquid crystal molecules near the first substrate and an azimuthal angle ?2 of a director of liquid crystal molecules near the second substrate in the first liquid crystal panel, an azimuthal angle ?P2 of the absorption axis of the second polarizing plate, an azimuthal angle ?3 of a director of liquid crystal molecules near the third substrate and an azimuthal angle ?4 of a director of liquid crystal molecules near the fourth substrate in the second liquid crystal panel, and an azimuthal angle ?P3 of the absorption axis of the third polarizing plate satisfy specific formulas.Type: GrantFiled: October 12, 2023Date of Patent: May 21, 2024Assignee: Sharp Display Technology CorporationInventors: Koji Murata, Junichi Masuda, Shugo Yagi, Akira Hirai, Hiroshi Tsuchiya, Takashi Satoh, Akira Sakai, Kiyoshi Minoura
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Patent number: 11991915Abstract: The present application provides a display panel and a display device, the display panel includes a light-emitting layer and a light-concentrating layer positioned on the light-emitting layer, the light-emitting layer includes a plurality of light-emitting units, the light-concentrating layer includes a first member and a second member for converging light, wherein the first member includes a plurality of openings, an edge of the openings includes a first inclined surface for reflecting light and a second inclined surface positioned on the first inclined surface, and the first inclined surface and the second inclined surface are connected by a first connecting portion.Type: GrantFiled: March 31, 2021Date of Patent: May 21, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Haoran Wang, Kan Wang
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Patent number: 11990074Abstract: A display driving method and a display device. The display driving method includes: scanning a plurality of subpixels arranged in an N×M array one row by one row or multiple rows by multiple rows to turn on each row of scanned subpixels, so that two adjacent rows of sub-pixels are simultaneously in an on-state for a duration greater than or equal to twice a unit scanning time, the unit scanning time is a time required to scan one row of sub-pixels, wherein N and M are both integers greater than 1; applying data signals to at least two rows of sub-pixels that are simultaneously in the on-state, such that at least a portion of rows of sub-pixels are applied with data signals for a duration greater than the unit scanning time.Type: GrantFiled: September 14, 2021Date of Patent: May 21, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yinlong Zhang, Zhihua Sun, Yanping Liao, Jiantao Liu, Jianbo Xian, Yue Yang, Xibin Shao
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Patent number: 11990483Abstract: An embodiment of the present application discloses an array substrate and a manufacturing method thereof. The array substrate includes an underlay, an active layer, a gate electrode insulation layer, and a metal layer. A first through hole, second through holes, third through holes, and a fourth through hole are defined in the gate electrode insulation layer. The second through holes and third through holes are arranged at intervals such that partial regions of the active layer are shielded by the gate electrode insulation layer to prevent them from corrosion of an etching solution to guarantee a normal electrical connection of the active layer and a source electrode and a drain electrode and improve a yield rate of the array substrate.Type: GrantFiled: August 6, 2021Date of Patent: May 21, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Ziran Li
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Patent number: 11990379Abstract: An array substrate, a manufacturing method thereof, and a short circuit repair method are provided. The array substrate includes at least one switch unit, wherein each of the switch unit includes a first thin film transistor (TFT) set and a second TFT set, a hollow area is disposed on a first metal layer, a semiconductor layer includes a first area corresponding to the first TFT set and a second area corresponding to the second TFT set, and a vertical projection of an area between the first area and the second area on a substrate completely covers a vertical projection of the hollow area on the substrate.Type: GrantFiled: May 24, 2021Date of Patent: May 21, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Peijian Yan
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Patent number: 11989368Abstract: The present application provides a display panel and a display device. The display panel include a display region and a non-display region arranged adjacently. The display panel including: a substrate; a touch layer located in the display region and arranged on a side of the substrate, wherein the touch layer includes one or more first touch electrodes extending along a first direction and arranged along a second direction and one or more second touch electrodes extending along the second direction and arranged along the first direction; a touch signal line including a first touch trace and a second touch trace, wherein the first touch trace is electrically connected to the first touch electrodes, and the second touch trace is electrically connected to the second touch electrodes; wherein at least one of the first touch trace and the second touch trace is located in the display region.Type: GrantFiled: September 27, 2022Date of Patent: May 21, 2024Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.Inventor: Jiaxin Li
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Patent number: 11991844Abstract: A shaft and a display device are disclosed. The display device includes the shaft including a plurality of planar sections and arc sections. Each of the arc sections is disposed between adjacent ones of the planar sections. A flexible display screen includes a first side, a third side, and a second side sequentially arranged, and the third side is fixed on the shaft. When the flexible display screen is rolled on the shaft, each chip-on-film is placed on a corresponding one of the planar sections, so that a problem that the chip-on-films arranged on the flexible display screen are prone to peel is solved.Type: GrantFiled: May 10, 2021Date of Patent: May 21, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Dengqian Li, Rong Xia