Making Emissive Array Patents (Class 438/34)
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Patent number: 11744136Abstract: Provided is a mask assembly including a mask frame including an opening; and a mask arranged on the mask frame and including a deposition region and a non-opening region arranged around the deposition region, the deposition region facing the opening to transmit a deposition material. A width of the non-opening region in a lengthwise direction of the mask is about 200 ?m to about 500 ?m.Type: GrantFiled: November 19, 2020Date of Patent: August 29, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sanghoon Kim, Jongsung Park, Wonyoung Jang
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Patent number: 11733810Abstract: A touch display device, in which a plurality of touch electrodes are arranged in a display panel, includes: the plurality of touch electrodes installed inside the display panel; a first coil installed inside the display panel and making a current flow for a mutual induction with the plurality of touch electrodes; and a second coil installed inside the display panel and on which a current flows by a mutual induction with the plurality of touch electrodes, wherein the touch display device conducts a touch detection by the current flowing the second coil.Type: GrantFiled: October 6, 2021Date of Patent: August 22, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Takayuki Suzuki, Tomonori Miyokawa, Tsutomu Ichikawa, Jae-Hun Ye, Shinji Takasugi
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Patent number: 11729922Abstract: A display device includes: a display panel including first and second areas, and a bending portion between the first and second areas; and a cover window on the display panel. The first area is between the cover window and the second area when the display panel is in a bent state, the first bending portion is between the cover window and the third bending portion when the display panel is in the bent state, and the bending portion includes a first bending portion extending from the first area, a second bending portion extending from the first bending portion, and a third bending portion between the second bending portion and the second area. A radius of curvature of the second bending portion is less than that of the first bending portion, and the radius of curvature of the second bending portion is less than that of the third bending portion.Type: GrantFiled: June 3, 2022Date of Patent: August 15, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Nyeng Kang, Min Soo Kim, Jong Hyun Choi
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Patent number: 11730028Abstract: A display apparatus including a substrate having a display area and a peripheral area outside the display area, a first pad disposed on a first layer in the peripheral area, a second pad disposed adjacently to the first pad in a first direction in the peripheral area, the second pad being disposed on a second layer different from the first layer, a third pad disposed adjacently to the first pad in a second direction in the peripheral area, the third pad being disposed on the second layer, a first connection line disposed on the first layer and connected to the first pad, a second connection line disposed on the second layer and connected to the second pad, and a third connection line disposed on the second layer, connected to the third pad, and disposed between the first connection line and the second connection line.Type: GrantFiled: February 3, 2021Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Youngmin Cho, Hongam Kim
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Patent number: 11723238Abstract: A display device may include a substrate including a first area and a second area surrounding the first area, and pixel circuits disposed on the substrate. The pixel circuits may include a first pixel circuit disposed in the first area and a second pixel circuit disposed in the first area. The display device may include display elements disposed on the substrate. The display elements may include a first display element that may be disposed in the first area and electrically connected to the first pixel circuit and a second display element that may be disposed in the second area and electrically connected to the second pixel circuit. Various embodiments are disclosed.Type: GrantFiled: May 5, 2020Date of Patent: August 8, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gunshik Kim, Jonghyun Choi, Sanghoon Lee
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Patent number: 11723242Abstract: A display apparatus includes a first display area including a plurality of pixel areas, and a second display area including a plurality of pixel areas and a plurality of transmission areas and arranged adjacent to the first display area. The plurality of pixel areas each includes sub-pixels each including a pixel circuit and an organic light-emitting device electrically connected to the pixel circuit. The pixel circuit includes a thin-film transistor and an inorganic insulating layer on the thin-film transistor, and the thin-film transistor includes a semiconductor layer and a gate electrode. The organic insulated layer extends in the transmission areas. The second display area defines a dummy contact hole which passes through the inorganic insulating layer in at least one of the pixel areas and the transmission areas.Type: GrantFiled: September 16, 2020Date of Patent: August 8, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Junhyun Park, Hyeongseok Kim, Youngwan Seo, Yujin Lee, Cheolgon Lee
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Patent number: 11723261Abstract: A method for manufacturing a light-emitting component, including forming an auxiliary electrode and a first electrode arranged at an interval on a base substrate; depositing, by means of a mask with a hollow area, a light-emitting layer on the base substrate on which the auxiliary electrode and the first electrode are formed; and forming a second electrode on the base substrate on which the light-emitting layer is formed. The light-emitting layer covers at least part of the first electrode, and at least a partial area of the auxiliary electrode is exposed outside the light-emitting layer. The second electrode covers at least part of the light-emitting layer and the at least partial area of the auxiliary electrode, and the second electrode is connected to the at least partial area of the auxiliary electrode.Type: GrantFiled: May 14, 2020Date of Patent: August 8, 2023Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tongshang Su, Dongfang Wang, Jun Liu, Yingbin Hu, Qinghe Wang, Shengping Du, Liangchen Yan
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Patent number: 11706947Abstract: A light-emitting unit (140) is formed on a substrate (100), and includes a light-transmitting first electrode (110), a light-reflective second electrode (130), and an organic layer (120) located between the first electrode (110) and the second electrode (130). A light-transmitting region is located between a plurality of light-emitting units (140). An insulating film (150) defines an end (142) of the light-emitting unit (140). A sealing member (200) is fixed to the light-emitting unit (140) directly or through an adhesive layer (210). In addition, a thickness of the substrate (100) is d, and a width of a portion of the second electrode (130) that is further on the outer side of the light-emitting unit (140) than the end (142) is W, d/2 W is established.Type: GrantFiled: March 24, 2021Date of Patent: July 18, 2023Assignee: PIONEER CORPORATIONInventor: Takeru Okada
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Patent number: 11705065Abstract: In a display device and display panel, a display panel includes: a plurality of pixels arranged in a matrix, each including two white subpixels and a plurality of colored subpixels, and a data pad connecting two adjacent colored subpixels, among the plurality of colored subpixels, corresponding to a same color, in a first direction, wherein luminance data is applied to the white subpixel, wherein each of the plurality of colored subpixels includes a dual subpixel having a size of the two white subpixels arranged in a second direction, the dual subpixel including a plurality of transistors, wherein a first transistor in the dual subpixel is connected to a first signal line extending through a first of the two white subpixels, and wherein a second transistor in the dual subpixel, is connected to a second signal line extending through a second of the two white subpixels.Type: GrantFiled: December 9, 2021Date of Patent: July 18, 2023Assignee: LG Display Co., Ltd.Inventor: HyunHaeng Lee
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Patent number: 11700750Abstract: Provided are a display device and a method of manufacturing the same. The display device includes a substrate; a pixel electrode on the substrate; a pixel-defining layer having a first opening exposing a central portion of the pixel electrode and a barrier portion defining the first opening; an auxiliary electrode on the barrier portion; an intermediate layer on the pixel electrode; and an opposite electrode on the intermediate layer and in electrical contact with the auxiliary electrode.Type: GrantFiled: November 25, 2020Date of Patent: July 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Junhwan Moon, Younggil Kwon, Seul Lee, Jihee Son
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Patent number: 11700761Abstract: A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.Type: GrantFiled: December 21, 2020Date of Patent: July 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Mijung Han, Heena Kim, Sangjin Park
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Patent number: 11696494Abstract: A display device having an improved display characteristics and reduced manufacturing cost is provided. The display device includes a plurality of pixels arranged on a surface of a substrate. The plurality of pixels each include: a light-emitting element; a driving transistor; a selecting transistor; and a retention capacitor. The driving transistor has a bottom-gate structure. The driving transistor has a semiconductor layer containing a first semiconductor. The retention capacitor has a first electrode and a second electrode. The first electrode doubles as a gate of the driving transistor. The second electrode is disposed at a lower layer than the first electrode and contains a second semiconductor.Type: GrantFiled: October 15, 2020Date of Patent: July 4, 2023Assignee: Japan Display Inc.Inventor: Satoshi Maruyama
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Patent number: 11696487Abstract: According to one or more embodiments, a mask assembly includes a mask frame including an opening and a portion surrounding the opening, and a mask arranged on the mask frame and including a first region and a second region, and a deposition material is passable through the first region corresponding to the opening, and the second region is around the first region, and the first region includes deposition openings, and the second region includes dummy openings, at least some of the dummy openings including centers arranged to deviate from a straight line connecting centers of the deposition openings, and a width of each of the deposition openings is the same as a width of each of the dummy openings.Type: GrantFiled: July 23, 2020Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jeunghoon Kim, Seungmin Jin
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Patent number: 11693178Abstract: A photonic integrated circuit (PIC) includes a semiconductor substrate, one or more passive components, and one or more active components. The one or more passive components are fabricated on the semiconductor substrate, wherein the passive components are fabricated in a III-V type semiconductor layer. The one or more active components are fabricated on top of the one or more passive components, wherein optical signals are communicated between the one or more active components via the one or more passive components.Type: GrantFiled: August 8, 2022Date of Patent: July 4, 2023Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: John E. Bowers, Arthur Gossard, Daehwan Jung, Justin Norman, Chen Shang, Yating Wan
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Patent number: 11690267Abstract: The present disclosure provides a defining solution for preparing a pixel defining layer configured to define individual pixels on a substrate, comprising: a lyophilic material, a lyophobic material and an initiator, wherein the lyophobic material comprises: a first lyophobic material and a second lyophobic material, and wherein a mass average molecular weight of the first lyophobic material is greater than a mass average molecular weight of the second lyophobic material, and a mass average molecular weight of the lyophilic material is greater than the mass average molecular weight of the first lyophobic material. The present disclosure further provides a display panel, a display apparatus and a method of preparing a pixel defining layer.Type: GrantFiled: May 13, 2020Date of Patent: June 27, 2023Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Wenbin Jia
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Patent number: 11690241Abstract: An embodiment of the present invention provides a display panel. The display panel includes a driving circuit layer, a first electrode layer, an auxiliary electrode layer, a pixel definition layer, and an electron transport layer disposed in a stack. The electron transport layer is connected to the auxiliary electrode layer through a first via hole defined on the pixel definition layer. By setting an energy level difference between a lowest unoccupied molecular orbital of the electron transport layer and a work function of the auxiliary electrode layer to 2.0 eV or less, it reduces an injection barrier between the auxiliary electrode layer and the electron transport layer, and relieves unevenness of luminescence of the display panel.Type: GrantFiled: May 21, 2020Date of Patent: June 27, 2023Inventors: Shipan Wang, Ting Shi, Weiran Cao
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Patent number: 11682746Abstract: There are provided methods of growing arrays of light emitters on substrates. An example method includes adjusting a growth parameter of a given light emitter of an array of light emitters on a substrate to obtain an adjusted growth parameter. The adjusting may be based on a location of the given light emitter on the substrate. The adjusting may be to compensate for nonuniformity in a growth profile of the light emitters across the substrate. The nonuniformity may be associated with a corresponding nonuniformity among wavelengths of light generated by the light emitters. Adjusting the growth parameter may be to adjust the corresponding nonuniformity. The method may also include growing the given light emitter on the substrate based on the adjusted growth parameter. Arrays of corresponding light emitters are also described.Type: GrantFiled: September 29, 2020Date of Patent: June 20, 2023Assignee: DIFTEK LASERS, INC.Inventor: Douglas R. Dykaar
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Patent number: 11681405Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.Type: GrantFiled: October 11, 2022Date of Patent: June 20, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jang Hui Kim, Ga Young Kim, A Ra Jo
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Patent number: 11672147Abstract: The present application discloses a display substrate. The display substrate may include a base substrate; a plurality of first electrodes arranged in an array on the base substrate; and a pixel defining layer defining a plurality of openings on the base substrate. The plurality of openings may overlap the plurality of first electrodes respectively. The pixel defining layer may include a plurality of first pixel defining units and a plurality of second pixel defining units; and the plurality of first pixel defining units may be separated from one another.Type: GrantFiled: May 16, 2019Date of Patent: June 6, 2023Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei Li, Bin Zhou, Jun Liu, Ning Liu, Wei Song, Xuehai Gui, Xiaodong Zhang, Rong Liu
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Patent number: 11664311Abstract: A semiconductor device includes a dielectric layer having a first surface and a second surface opposite to the first surface; an active region on the first surface of the dielectric layer; a power rail under the second surface of the dielectric layer, wherein the dielectric layer is between the active region and the power rail; a spacer physically dividing the active region into a first part and a second part, the first part and the second part being conductively isolated from each other by the spacer; an intermediate layer comprising: first and second conductive segments; and wherein the spacer joins the first conductive segment and the second conductive segment, and electrically isolates the first conductive segment from the second conductive segment, wherein a join length between the first conductive segment and the spacer is equal to a join length between the second conductive segment and the spacer.Type: GrantFiled: January 17, 2020Date of Patent: May 30, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Shih-Wei Peng, Jiann-Tyng Tzeng
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Patent number: 11665920Abstract: A transparent display panel has an auxiliary electrode region including a partition wall whose a width of a top face is larger than that of a bottom face thereof. The auxiliary electrode region is disposed on a line region within a display region. A second electrode of an organic light-emitting element and a VSS voltage connection line is electrically connected to each other via an auxiliary electrode, such that electrical resistance of the second electrode as a transparent electrode is reduced. Further, the auxiliary electrode region is formed on each of a plurality of line regions respectively including VSS voltage connection lines extending across the display region. Thus, a current is fed to each pixel in the display region in a smooth manner, such that luminance distribution across the panel is uniform.Type: GrantFiled: November 10, 2020Date of Patent: May 30, 2023Assignee: LG Display Co., Ltd.Inventors: Soyi Lee, Changsoo Kim, Euitae Kim, Kiseob Shin
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Patent number: 11641766Abstract: A light-emitting display device includes an organic layer formed to be divided between adjacent subpixels through a change in structure of a bank without the provision of an additional construction, whereby it is possible to prevent lateral leakage of current.Type: GrantFiled: December 11, 2020Date of Patent: May 2, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Seok-Woo Son, Jung-Sun Baek, Jo-Yeon Kim
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Liquid crystal display device, method for driving the same, and electronic device including the same
Patent number: 11636825Abstract: The liquid crystal display device includes a pixel portion including a plurality of pixels to which image signals are supplied; a driver circuit including a signal line driver circuit which selectively controls a signal line and a gate line driver circuit which selectively controls a gate line; a memory circuit which stores the image signals; a comparison circuit which compares the image signals stored in the memory circuit in the pixels and detects a difference; and a display control circuit which controls the driver circuit and reads the image signal in accordance with the difference. The display control circuit supplies the image signal only to the pixel where the difference is detected. The pixel includes a thin film transistor including a semiconductor layer including an oxide semiconductor.Type: GrantFiled: March 14, 2022Date of Patent: April 25, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Jun Koyama, Shunpei Yamazaki -
Patent number: 11637160Abstract: A display apparatus includes: a substrate including a first area, a second area, and a third area that is between the first area and the second area; a plurality of first to third display elements respectively arranged in the first to third areas, each of the plurality of first to third display elements including a pixel electrode; and an insulating layer including a plurality of first to third openings that respectively expose at least portions of the pixel electrodes of the plurality of first to third display elements. A number of the plurality of first openings is greater than a number of the plurality of second openings per unit area. In a plan view, an area of the plurality of first openings is greater than an area of the plurality of third openings.Type: GrantFiled: July 21, 2021Date of Patent: April 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jaehun Lee, Jungi Kim, Junho Sim, Yangho Jung
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Patent number: 11637269Abstract: An organic EL display device includes an organic EL element disposed on a flattening film, and a sealing film disposed over the organic EL element, a display region, and a frame region disposed around the display region. The frame region includes a plurality of mask spacers. The flattening film has a recess disposed between the display region and the mask spacers adjacent to the display region. The recess is filled with an organic film.Type: GrantFiled: May 23, 2018Date of Patent: April 25, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Tohru Senoo, Takeshi Hirase, Hisao Ochi, Takashi Ochi, Tohru Sonoda, Akihiro Matsui, Yoshinobu Miyamoto, Jumpei Takahashi
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Patent number: 11637243Abstract: Self-organizing patterns with micrometer-scale feature sizes are promising for the large area fabrication of photonic devices and scattering layers in optoelectronics. Pattern formation would ideally occur in the active semiconductor to avoid the need for further processing steps. The present disclosure includes approaches to form period patterns in single layers of organic semiconductors by an annealing process. When heated, a crystallization front propagates across the film, producing a sinusoidal surface structure with wavelengths comparable to that of near-infrared light. These surface features form initially in the amorphous region within a micron of the crystal growth front, likely due to competition between crystal growth and surface mass transport. The pattern wavelength can be tuned by varying film thickness and annealing temperature, millimeter scale domain sizes are obtained. Aspects of the disclosure can be exploited for self-assembly of microstructured organic optoelectronic devices, for example.Type: GrantFiled: May 22, 2020Date of Patent: April 25, 2023Assignee: Regents of the University of MinnesotaInventors: Russell J. Holmes, John David Myers-Bangsund, Thomas Robert Fielitz
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Patent number: 11631830Abstract: A display apparatus including a display panel having a folding portion about which the display panel is configured to fold, a first lower film and a second lower film on one surface of the display panel, the first lower film and the second lower film being spaced apart from each other, at least one bump on the first lower film or the second lower film, and a first sub-layer on the first lower film, in which, when the display panel is folded, the folding portion is configured to fold so that a surface of the display panel located further from the first sub-layer is exposed and the first sub-layer faces another surface of the display panel located closer to the first sub-layer, and a height of the at least one bump is approximately less than or equal to a thickness of the first sub-layer.Type: GrantFiled: February 3, 2021Date of Patent: April 18, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ohjune Kwon, Seungwook Kwon, Minsang Kim, Seungyong Song
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Patent number: 11626577Abstract: An organic light-emitting diode (OLED) device includes a substrate, a well structure on the substrate with the well structure having a recess with side walls and a floor, a lower metal layer covering the floor and side-walls of the well, an upper conductive layer on the lower metal layer covering the floor of the well and contacting the lower metal layer, the upper conductive layer having outer edges at about an intersection of the side walls and the floor, a dielectric layer formed of an oxide of the lower metal layer covering the side walls of the well without covering the upper conductive layer, a stack of OLED layers covering at least the floor of the well, the upper conductive layer providing an electrode for the stack of OLED layers, and a light extraction layer (LEL) in the well over the stack of OLED layers and the dielectric layer.Type: GrantFiled: January 19, 2021Date of Patent: April 11, 2023Assignee: Applied Materials, Inc.Inventors: Gang Yu, Chung-Chia Chen, Wan-Yu Lin, Hyunsung Bang, Lisong Xu, Byung Sung Kwak, Robert Jan Visser
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Patent number: 11626066Abstract: A pixel arrangement structure of an organic light emitting diode (OLED) display is provided. The pixel arrangement structure includes: a first pixel having a center coinciding with a center of a virtual square; a second pixel separated from the first pixel and having a center at a first vertex of the virtual square; and a third pixel separated from the first pixel and the second pixel, and having a center at a second vertex neighboring the first vertex of the virtual square. The first pixel, the second pixel, and the third pixel have polygonal shapes.Type: GrantFiled: June 24, 2022Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventor: Sang-Shin Lee
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Patent number: 11626067Abstract: A pixel arrangement structure of an organic light emitting diode (OLED) display is provided. The pixel arrangement structure includes: a first pixel having a center coinciding with a center of a virtual square; a second pixel separated from the first pixel and having a center at a first vertex of the virtual square; and a third pixel separated from the first pixel and the second pixel, and having a center at a second vertex neighboring the first vertex of the virtual square. The first pixel, the second pixel, and the third pixel have polygonal shapes.Type: GrantFiled: June 24, 2022Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventor: Sang-Shin Lee
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Patent number: 11626449Abstract: In a display device, an inorganic insulating layer, a metal layer, a flattering film, a first electrode, an edge cover, a function layer, and a second electrode are formed, in that order, on a base substrate. The edge cover covers an edge of the first electrode and includes a first opening exposing the first electrode. The function layer is formed covering the first opening and an edge of the edge cover. The flattening film includes a first planar portion and a second planar portion having a film thickness smaller than that of the first planar portion, is configured to electrically connect the first electrode and the metal layer via a contact hole formed in the first planar portion, and overlaps the first opening of the edge cover at at least a portion of the second planar portion.Type: GrantFiled: March 22, 2018Date of Patent: April 11, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Tohru Okabe, Ryosuke Gunji, Shinsuke Saida, Shinji Ichikawa, Kohji Ariga, Hiroki Taniyama, Yoshihiro Nakada, Koji Tanimura, Yoshihiro Kohara, Hiroharu Jinmura, Akira Inoue
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Patent number: 11621251Abstract: A device for collecting and transferring light emitting elements of microscale size includes a non-magnetic plate, a plurality of magnetic probes, and a magnetic plate. The non-magnetic plate defines through holes. Each of the probes is fixed in one through holes. The magnetic plate is on a surface of the non-magnetic plate and closes one opening of each of the through holes. The magnetic plate generates a magnetic field, so that each of the probes magnetically attracts one light emitting element. A method for making the transfer device and a method for transferring light emitting elements using the transfer device are also disclosed.Type: GrantFiled: June 6, 2022Date of Patent: April 4, 2023Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Po-Liang Chen, Yung-Fu Lin, Jung-Hua Lee, Huihsien Tien
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Patent number: 11614667Abstract: The present disclosure provides an array substrate and a display panel. The array substrate includes a base substrate and at least one signal line unit in a fan-out region of the base substrate. Each of the at least one signal line unit includes two first signal lines and one second signal line, and the two first signal lines and the one second signal line are respectively in different layers and extend in a same direction. A center line of an orthographic projection of the one second signal line on the base substrate overlaps with a center line of an orthographic projection of an interval region between the two first signal lines.Type: GrantFiled: September 24, 2021Date of Patent: March 28, 2023Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhenhong Xiao, Peng Liu, Chao Liang, Aiyu Ding, Yongqiang Zhang, Jingyi Xu, Hui Yuan, Jiantao Liu
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Patent number: 11611025Abstract: The present application provides a display panel, a manufacturing method thereof, and a display device. The present application adopts a molybdenum/copper stackup to form a solder pad for bonding, which can effectively solve a problem of a poor bonding force between MTD and a soldering material in the prior art. Meanwhile, a bonding lead is made of titanium-molybdenum-nickel alloy/copper/titanium-molybdenum-nickel alloy stackup, which can reduce manufacturing processes of the display panel and reduce manufacturing costs.Type: GrantFiled: August 4, 2020Date of Patent: March 21, 2023Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xueru Mei, Macai Lu
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Patent number: 11610960Abstract: An organic light emitting diode display device includes a substrate, a pixel structure, a first circuit transistor, a first lower electrode, a first upper electrode, and a planarization layer. The substrate has a display area and a peripheral area including a first circuit area, a second circuit area, and a blocking area positioned between the first and second circuit areas. The pixel structure is in the display area on the substrate. The first circuit transistor is in the first circuit area on the substrate. The first lower electrode is in the blocking area on the substrate. The first upper electrode is on the first lower electrode, and the first upper electrode and the first lower electrode constitute a first capacitor. The planarization layer is on the substrate, and has a first opening that overlaps the first capacitor in the blocking area.Type: GrantFiled: July 29, 2020Date of Patent: March 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jun Won Choi, Dong Eup Lee
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Patent number: 11605681Abstract: An electroluminescent display device includes a substrate on which a display area displaying an image and a non-display area surrounding the display area are defined; a plurality of sub-pixels disposed in the display area on the substrate and arranged along a first direction and a second direction; a plurality of dummy sub-pixels disposed in the non-display area on the substrate; and a bank disposed in the display area and the non-display area on the substrate, wherein the bank includes a first portion corresponding to the plurality of sub-pixels and a second portion corresponding to the plurality of dummy sub-pixels, and wherein a side surface of the first portion has a reverse slope and at least a part of a side surface of the second portion has a normal slope.Type: GrantFiled: November 24, 2020Date of Patent: March 14, 2023Assignee: LG Display Co., Ltd.Inventors: Sang-Bin Lee, In-Sun Yoo
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Patent number: 11605315Abstract: A display device, an apparatus for manufacturing a display device and a method of manufacturing a display device are provided. A display device includes a flexible substrate including a main region, a bending region, which extends from an end of the main region, and a sub-region, which extends from an end of the bending region, the sub-region being reversed from the bending region to be attached on a rear surface of the main region, and an active element layer disposed in the main region of the flexible substrate, wherein a thickness of the flexible substrate is greater in the bending region than in the main region and the sub-region.Type: GrantFiled: February 4, 2021Date of Patent: March 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Myung Gil Choi, Jung Min Lee, Dong Woo Kim, Sang Moo Lee
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Patent number: 11600797Abstract: An organic light-emitting display apparatus including a substrate having a display area and a peripheral area; a TFT in the display area; an organic insulating layer on the TFT; an OLED that includes a pixel electrode electrically connected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing the pixel electrode with the emission layer therebetween; a pixel-defining layer on the organic insulating layer and having an opening overlying the pixel electrode; a first dam in the peripheral area; a second dam in the peripheral area to surround an outer periphery of the first dam; a metal-containing layer covering the first dam and including a same material as the pixel electrode; and a thin-film encapsulator on the substrate to cover the OLED and including a first and second inorganic films, and an organic film between the first and second inorganic films.Type: GrantFiled: February 8, 2021Date of Patent: March 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Kwangchul Jung
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Patent number: 11594171Abstract: A method for manufacturing a display device including a substrate including a display area and a non-display area located outside the display area, the display area including pixel areas, is provided. First switching elements are formed in the pixel areas, respectively, and a circuit element layer that includes reference voltage wire in the non-display area and electrically connected to the first switching elements is formed. Pixel electrodes that include first pixel electrodes in the pixel areas on the circuit element layer, respectively, and electrically connected through the first switching elements to the reference voltage wire, and second pixel electrodes facing the first pixel electrodes, are formed. A plurality of light emitting elements are arranged between the first pixel electrodes and the second pixel electrodes. A first source voltage is applied to the reference voltage wire and a second source voltage is applied to the second pixel electrodes.Type: GrantFiled: July 8, 2019Date of Patent: February 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sin Chul Kang, Won Sik Oh, Yo Han Lee, Hee Keun Lee, Hyun Min Cho
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Patent number: 11573606Abstract: In a flexible display device including a non-bending area and a bending area, the flexible display device may include a circuit structure, a display structure on the circuit structure, and an organic layer under or over the circuit structure, the organic layer including a groove corresponding to the bending area.Type: GrantFiled: February 11, 2021Date of Patent: February 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyun Kim, Minsoo Kim
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Patent number: 11569299Abstract: A display device includes a display panel having first and second regions with the second region having a higher resolution than the first region and an electronic module under the first region. The display panel includes first and second emission layers in a first sub-region of the first region with the second emission layer being spaced apart from the first emission layer. The first emission layer has a first light-emitting portion and a second light-emitting portion adjacent to the first light-emitting portion in a first direction, and the second emission layer has a third light-emitting portion and a fourth light-emitting portion adjacent to the third light-emitting portion in the first direction. The first light-emitting portion is inclined from the second light-emitting portion toward a lower surface of the display panel, and the fourth light-emitting portion is inclined from the third light-emitting portion toward an upper surface of the display panel.Type: GrantFiled: November 19, 2020Date of Patent: January 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Min Hong, Wonju Kwon, Heeseong Jeong
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Patent number: 11563034Abstract: A display apparatus includes a substrate partitioned into a central area and a peripheral area disposed adjacent to the central area. The central area includes a display area; a first insulating layer corresponding to the peripheral area of the substrate; at least one slit corresponding to a region of the first insulating layer; and a cladding layer, which covers the at least one slit, on the first insulating layer.Type: GrantFiled: November 23, 2020Date of Patent: January 24, 2023Assignee: Samsung Display Co., Ltd.Inventors: Wonkyu Kwak, Jaeyong Lee
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Patent number: 11557231Abstract: A display device includes a rollable display panel having two surfaces opposed to each other, and a heat dissipation sheet disposed on one of the two surfaces of the display panel and rollable together with the rollable display panel. The heat dissipation sheet has a thermal conductivity greater than 200 W/mK.Type: GrantFiled: July 8, 2021Date of Patent: January 17, 2023Assignee: InnoLux CorporationInventors: Yuan-Lin Wu, Kuan-Feng Lee
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Patent number: 11552269Abstract: The present disclosure relates to a display substrate, a method for preparing the same, and a display device. The display substrate of the present disclosure includes a base substrate, a pixel definition layer located on the base substrate, and a first pixel and a second pixel that are adjacent to each other and defined by the pixel definition layer, in which a spacer function layer for blocking hole transport between adjacent pixels is arranged at at least a part of a contact interface between the second hole transport layer in the second pixel and the light function layer in the first pixel. By providing the spacer function layer, the present disclosure effectively prevents the migration of holes between the hole transport layers of adjacent pixels or between the hole transport layer and the light emitting layer, thereby avoiding accompanying light emission between adjacent pixels.Type: GrantFiled: October 23, 2020Date of Patent: January 10, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenqiang Zhang, Jiangrong Xie, Tianqi Lai, Leilei Wang, Kening Zheng, Yingchang Gao
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Patent number: 11552125Abstract: A method of manufacturing an optoelectronic device, including the steps of: a) providing an active diode stack comprising a first doped semiconductor layer of a first conductivity type and a second doped semiconductor layer of the first conductivity type, coating the upper surface of the first layer; b) arranging a third semiconductor layer on the upper surface of the active stack; c) after step b), forming at least one MOS transistor inside and on top of the third semiconductor layer; and d) after step b), before or after step c), forming trenches vertically extending from the upper surface of the third layer and emerging into or onto the upper surface of the first layer and delimiting a plurality of pixels, each including a diode and an elementary diode control cell.Type: GrantFiled: December 18, 2019Date of Patent: January 10, 2023Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Perrine Batude, Hubert Bono
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Patent number: 11552157Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.Type: GrantFiled: February 17, 2021Date of Patent: January 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hyun Son, Sung Hoon Moon, Sung Jun Kim, Kohei Ebisuno, Deok Hoi Kim, Sanghoon Oh
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Patent number: 11552161Abstract: The present disclosure provides display panels and methods for manufacturing the same. The display panel includes a pixel definition layer, a cathode, and a compensation electrode. The pixel definition layer defines a plurality of pixel definition openings and a spacing region located between two adjacent pixel definition openings of the plurality of pixel definition openings. The cathode covers the pixel definition layer. The compensation electrode is located in the spacing region. The pixel definition layer covers the compensation electrode and defines a contact hole, the cathode and the compensation electrode are connected via the contact hole.Type: GrantFiled: January 20, 2020Date of Patent: January 10, 2023Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Xinnan Wang, Rusheng Liu
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Patent number: 11545645Abstract: Provided is a method for preparing an organic electronic device, comprising steps of: applying an ink composition on a substrate, on which an organic electronic element is formed; applying heat thereto before curing the applied ink composition; and curing the applied ink composition by irradiating with light having a wavelength in a range of 300 nm to 450 nm. Also provided is an organic electronic device, comprising a substrate, an organic electronic element formed on the substrate, and an organic layer sealing the entire surface of the organic electronic element, wherein after the organic layer is maintained at 110° C. for 30 minutes, the out-gas amount measured using Purge & Trap-gas chromatography/mass spectrometry is less than 150 ppm.Type: GrantFiled: August 31, 2018Date of Patent: January 3, 2023Assignee: LG Chem, Ltd.Inventors: Yu Jin Woo, Joon Hyung Kim, Kook Hyun Choi, Mi Lim Yu
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Patent number: 11545079Abstract: A display device including a base substrate including a first base film, a second base film disposed on the first base film, and a connection wire, wherein at least a portion of the connection wire is disposed between the first base film and the second base film, a pixel circuit disposed on the base substrate, a light emitting element disposed on the pixel circuit and electrically connected to the pixel circuit, and a driving part disposed under the base substrate. The first base film has a first penetration part and a first protrusion part protruding toward the second base film, and the second base film has a second penetration part overlapping the first protrusion part and a second protrusion part protruding toward the first base film and overlapping the first penetration part. The connection wire extends to an upper surface of the base substrate along the first protrusion part.Type: GrantFiled: January 24, 2022Date of Patent: January 3, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jinyool Kim, Kwangyoung Choi, Sae-Hee Ryu, Seungmin Song, Seungmin Lee
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Patent number: 11538835Abstract: The disclosure discloses an array substrate, a method for manufacturing the same, a display panel and a display device. The array substrate includes a base substrate; a plurality of data lines and a plurality of dummy leads, wherein the plurality of data lines and the plurality of dummy leads are in the same layer on the base substrate, and the plurality of data lines and the plurality of dummy leads extend along the first direction; and at least one dummy lead includes a plurality of wires which extend in the first direction and are disconnected with one another.Type: GrantFiled: January 2, 2019Date of Patent: December 27, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Dawei Zhang, Jianxing Shang, Shuai Yan, Song Ruan, Sen Li