Having Diverse Electrical Device Patents (Class 438/23)
  • Patent number: 12213374
    Abstract: A display device includes a substrate that includes a bending area, a display active layer disposed on the substrate and that displays an image, a polarization layer disposed on the display active layer, a protective layer that contacts an end of the polarization layer and covers the bending area of the substrate; and an adhesive layer disposed on a boundary between the polarization layer and the protective layer, the adhesive layer extends from the end of the polarization layer toward the bending area by an extension area to overlap a portion of the protective layer.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myoung-Ha Jeon, Ki Chang Lee
  • Patent number: 12207501
    Abstract: A transparent display panel includes a substrate where main light-emitting areas, auxiliary light-emitting areas, and transmissive areas are defined, a driving transistor disposed on the substrate, anode electrodes disposed on the main light-emitting areas, auxiliary anode electrodes disposed on the auxiliary light-emitting areas, auxiliary electrodes disposed on the transmissive areas and connected to a low-potential driving power source, and a bank disposed to expose a center portion of the anode electrodes, the auxiliary anode electrodes, and the auxiliary electrodes, and disposed to cover an edge area of the anode electrodes, the auxiliary anode electrodes, and the auxiliary electrodes, thereby defining the main light-emitting areas, the auxiliary light-emitting areas, and the transmissive areas.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: January 21, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Hojin Ryu
  • Patent number: 12207518
    Abstract: The display substrate includes: a base substrate; a pixel defining layer on the base substrate, and an organic light-emitting functional layer. The pixel defining layer includes: openings in sub-pixels respectively and communication slots. The organic light-emitting functional layer corresponding to the sub-pixels is provided in the openings. In at least one row of pixels, openings of sub-pixels of the same color communicate with one another through corresponding communication slots. At least of a portion of the communication slots are located in gaps between adjacent rows of pixels.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: January 21, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Yue Zhang
  • Patent number: 12193280
    Abstract: Embodiments described herein generally relate to a display. In one or more embodiments, a sub-pixel circuit includes at least two anodes disposed over a substrate. Adjacent anodes define a well. Adjacent overhang structures are disposed in the well. The overhang structures have an overhang thickness from the substrate to an upper surface of the overhang structures. The overhang thickness and the anode thickness are substantially equivalent. The overhang structures include overhang extensions extending past lower sidewalls. The well has a trench area defined by the lower sidewalls and a bottom surface of the overhang extensions, with a gap between the overhang extensions of the adjacent overhang structures. An organic light emitting diode (OLED) material is disposed over the anode, the upper surface of the overhang structures, under the overhang structures, and within the trench area. A cathode is disposed over the OLED material.
    Type: Grant
    Filed: June 18, 2024
    Date of Patent: January 7, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Jungmin Lee, Dieter Haas
  • Patent number: 12171119
    Abstract: The light emitting display apparatus may include a pixel area disposed at a substrate and configured to have an emission area and a non-emission area, a planarization layer disposed at the substrate, and a light emitting device layer disposed at the emission area and the non-emission area above the planarization layer. The light emitting device layer may include a barrier layer disposed at the boundary area between the emission area and the non-emission area. The light emitting display apparatus may be capable of preventing a leakage current between adjacent pixels.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: December 17, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Mingeun Choi, Sookang Kim
  • Patent number: 12156427
    Abstract: A display device may improve an aperture ratio. The display device comprises a substrate provided with transmissive areas and a plurality of subpixels disposed between the transmissive areas, a driving transistor provided in each of the plurality of subpixels, an anode electrode provided in each of the plurality of subpixels and coupled with the driving transistor through an anode contact hole, a bank overlapped with at least a portion of the anode contact hole over the anode electrode, a light emitting layer provided over the anode electrode and the bank, and a cathode electrode provided over the light emitting layer. An end of at least one side of the anode electrode is exposed without being covered by the bank.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: November 26, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: MoonSoo Kim, DoYoung Kum
  • Patent number: 12150334
    Abstract: A thin film transistor is disposed on a substrate. A via insulating layer having a via hole covers the thin film transistor. A pixel electrode is disposed on the via insulating layer and electrically connected to the thin film transistor through the via hole. A first protection layer surrounds the pixel electrode. A pixel-defining layer covers an edge region of the pixel electrode and at least a portion of the first protection layer. The pixel-defining layer includes an opening through which an upper surface of the pixel electrode is exposed. An opposite electrode faces the pixel electrode. An intermediate layer is disposed between the pixel electrode and the opposite electrode.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taehyun Kim, Seunghwan Cho, Sangho Park, Seungmin Lee, Jungkyu Lee, Joosun Yoon, Jangdoo Lee
  • Patent number: 12144214
    Abstract: A light emitting display panel and a light emitting display apparatus including the same, in which a cathode is connected to an auxiliary cathode electrode through an undercut region provided under a planarization layer, are provided. The light emitting display panel includes a substrate, an auxiliary cathode electrode provided in the substrate, a passivation layer covering the auxiliary cathode electrode, an anode provided on the passivation layer, a bank surrounding an outer portion of the anode, a light emitting layer provided on the anode, and a cathode provided on the light emitting layer, the cathode is connected to the auxiliary cathode electrode through a connection electrode exposed at an undercut region passing through the bank and the passivation layer.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: November 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YoungIn Jang, Ji-Heun Lee, EunJi Park
  • Patent number: 12144218
    Abstract: Provided is a display substrate. In the display substrate, a base substrate includes a display region, a bending region and a pad region. A length of the display region in a first direction is greater than a length of the display region in a second direction. Since the pad region, the bending region and the display region are arranged along the second direction, the pad region is arranged on a side where a long boundary line of the display region is located, such that each signal line led into the display region from the pad region has a relatively short length in the display region.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: November 12, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Linhong Han, Shikai Qin, Yi Zhang, Yang Zhou, Meng Zhang
  • Patent number: 12137589
    Abstract: A display device may include a substrate including a display area and a non-display area surrounding at least a portion of the display area, a first organic insulating layer disposed on the substrate in the non-display area, a first conductive layer disposed on the first organic insulating layer and including first discharge holes, a second organic insulating layer disposed on the first conductive layer, and a transparent conductive layer disposed on the second organic insulating layer and including second discharge holes that respectively overlap the first discharge holes.
    Type: Grant
    Filed: October 10, 2023
    Date of Patent: November 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsik Shin, Tae Wook Kim, Joohong Seo
  • Patent number: 12133424
    Abstract: A display device includes a substrate including a front member, first and second side members extended from the front member, and a first corner disposed between the first and second side members, the first side member being bent along a first bending line in a first direction, the second side member being bent along a second bending line in a second direction crossing the first direction, and an alignment mark disposed at the first corner of the substrate.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: October 29, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu Ho Jung, Suk Won Jung
  • Patent number: 12127438
    Abstract: An electroluminescent display device includes a substrate, a first electrode on the substrate, a connection pattern on the substrate and formed of a same material as the first electrode, a bank covering edges of the first electrode and the connection pattern, a light-emitting layer on the first electrode, a second electrode on the light-emitting layer, the bank, and the connection pattern, and an auxiliary pattern between the second electrode and the connection pattern, wherein a side surface of the auxiliary pattern has a greater inclination angle than a side surface of the bank.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: October 22, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hak-Min Lee, Hee-Jin Kim
  • Patent number: 12108639
    Abstract: A light emitting display apparatus includes a substrate configured to include a display area with a plurality of pixel areas, and a non-display area surrounding the display area, and a planarization layer disposed at the display area and partially at the non-display area. The planarization layer is configured to include an uneven pattern portion disposed at the non-display area, and the uneven pattern portion is configured to include a plurality of concave portions.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: October 1, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yonghoon Choi, KeumKyu Min, Mingeun Choi
  • Patent number: 12082450
    Abstract: A display apparatus includes a plurality of pixels. Each pixel of the pixels includes a thin film transistor, a first insulating pattern positioned on the thin film transistor, a pixel electrode positioned on the first insulating pattern, and a second insulating pattern covering an edge of the pixel electrode and contacting an edge of the first insulating pattern.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: September 3, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yonghoon Yang, Minsuk Ko, Sikwang Kim, Taegyun Kim
  • Patent number: 12082446
    Abstract: A display apparatus having improved reliability and preventing or reducing damage to an organic light-emitting diode (OLED), and a method of manufacturing the display apparatus by arranging a protective layer on an opposite electrode during a photo-patterning process, are provided. The display apparatus includes: a substrate; a pixel electrode on the substrate; a pixel defining layer on the pixel electrode, the pixel defining layer having a first opening that exposes a center of the pixel electrode; an auxiliary electrode on the pixel defining layer; an intermediate layer on the pixel electrode; an opposite electrode facing the pixel electrode with the intermediate layer therebetween; a first protective layer on the opposite electrode; and a contact electrode on the first protective layer, the contact electrode electrically contacting the auxiliary electrode and the opposite electrode.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: September 3, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeik Kim, Jaesik Kim, Yeonhwa Lee, Joongu Lee
  • Patent number: 12063817
    Abstract: A display apparatus includes a substrate including a display area and a peripheral area; a thin-film transistor disposed on the substrate and including a semiconductor layer; a conductive layer disposed between the substrate and the semiconductor layer and including a pad electrode disposed in the peripheral area; a first insulating layer disposed between the conductive layer and the semiconductor layer and including a first opening exposing at least a part of an upper surface of the pad electrode; and a second insulating layer disposed on the thin-film transistor and including a second opening coinciding with the first opening, wherein an opening area of the second opening of the second insulating layer is greater than an opening area of the first opening of the first insulating layer.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: August 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungrae Kim, Hyun Kim, Shoyeon Kim, Seulki Kim, Youngrok Kim, Kwangsoo Lee, Jaehyun Lee, Hyunsoo Lee, Kisu Jin
  • Patent number: 12063846
    Abstract: The present disclosure relates to an organic light emitting display device and a method for manufacturing the same. In the organic light emitting display device according to the present disclosure, a bank which exposes an auxiliary electrode connected to a cathode electrode of an organic light emitting device is composed of multiple layers, and particularly, since the lowest layer of the bank, which is adjacent to the auxiliary electrode, includes an undercut, the cathode electrode and the auxiliary electrode are directly connected so that it is possible to prevent burnt due to a short-circuit between the cathode electrode and Ag included in the auxiliary electrode.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: August 13, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hoonsok Son, Dojoong Kim
  • Patent number: 12062339
    Abstract: In a display device, each of pixels includes a light emitting element and a pixel circuit which is connected to the light emitting element at a first node and drives the light emitting element in response to a corresponding driving scan signal among driving scan signals during a display period. The pixel circuit is connected to a corresponding readout line among readout lines at a second node. The sensing circuit senses a potential of the first node through the corresponding readout line during a blank period, and each of frames includes the display period and the blank period. At least two driving scan signals among the driving scan signals respectively include a plurality of rewriting periods, each of which is activated during the blank period corresponding thereto, and the rewriting periods of the driving scan signals have different durations from each other.
    Type: Grant
    Filed: September 18, 2023
    Date of Patent: August 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-Taek Kim, Byeong-Doo Kang, Jae Woo Ryu, Joonsuk Baik, Sekeun Lee
  • Patent number: 12062336
    Abstract: An organic light emitting diode display includes a first transistor disposed on a substrate and including a gate electrode, an input electrode, and an output electrode, a second transistor electrically connected to a scan line, a data line, and the input electrode of the first transistor, a third transistor including a gate electrode, a first electrode electrically connected to the output electrode of the first transistor, and a second electrode electrically connected to the gate electrode of the first transistor, and an overlapping layer that overlaps the gate electrode of the third transistor in a plan view. The overlapping layer is disposed between the substrate and a semiconductor layer of the third transistor.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: August 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seong Min Wang, Yong Ho Yang, Sung Ho Kim, Young-In Hwang
  • Patent number: 12048207
    Abstract: A first organic resin layer is formed over a first substrate; a first insulating film is formed over the first organic resin layer; a first element layer is formed over the first insulating film; a second organic resin layer is formed over a second substrate; a second insulating film is formed over the second organic resin layer; a second element layer is formed over the second insulating film; the first substrate and the second substrate are bonded; a first separation step in which adhesion between the first organic resin layer and the first substrate is reduced; the first organic resin layer and a first flexible substrate are bonded with a first bonding layer; a second separation step in which adhesion between the second organic resin layer and the second substrate is reduced; and the second organic resin layer and a second flexible substrate are bonded with a second bonding layer.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: July 23, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakatsu Ohno, Hiroki Adachi, Satoru Idojiri, Koichi Takeshima
  • Patent number: 12022690
    Abstract: A method may be used for manufacturing a semiconductor element. The method may include the following steps: preparing a substrate; forming a semiconductor layer on the substrate, wherein the semiconductor layer includes crystallized two-dimensional layers; forming a source electrode and a drain electrode on the semiconductor layer; forming an semiconductor member by wet etching the semiconductor layer using sodium hypochlorite as an etchant, wherein the wet etching results in a residue; and removing the residue using purified water and an inert gas.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: June 25, 2024
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Jun Hyung Lim, Hyungjun Kim, Hyungjun Kim, Young Jun Kim, Ju Sang Park, Whang Je Woo
  • Patent number: 12016205
    Abstract: The application provides a manufacturing method for a display panel, a display panel, and a display device.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: June 18, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Cheng Han, Xin Li, Xing Fan, Songquan Wu, Meng Sun, Erli Li
  • Patent number: 11991902
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung Hwan Kim, Suk Hoon Kang, Min Jae Kim, Hee Ra Kim, Beom Soo Shin, Hong Yeon Lee, Baek Kyun Jeon
  • Patent number: 11985866
    Abstract: A semiconductor apparatus includes an element substrate including an effective pixel region having a plurality of effective pixels on one principal surface side of a first substrate, and a peripheral region positioned around the effective pixel region, a second substrate, and a first and a second bonding member configured to bond the both substrates. The second bonding member includes a material different from that of the first bonding member. In a planar view with respect to the one principal surface, the second substrate is disposed within the element substrate. The first bonding member is provided between the peripheral region and the second substrate. The second bonding member is provided between the effective pixel region and the second substrate. In a planar view with respect to the one principal surface, at least a part of an end portion of the second substrate is positioned on the first bonding member.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: May 14, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hidemasa Oshige
  • Patent number: 11980048
    Abstract: According to one embodiment, a display device comprises a first area including a pixel and a second area different from the first area, wherein the pixel comprises a pixel electrode, an organic material layer including a light-emitting layer, a common electrode, a first insulating layer, a second insulating layer having a refractive index lower than that of the first insulating layer, and a third insulating layer, the second area is an area not overlapping the light-emitting layer in plan view, the second area is a transparent area, and the second area comprises the first insulating layer provided therein, the second area does not comprise the second insulating layer.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: May 7, 2024
    Assignee: Japan Display Inc.
    Inventors: Hayata Aoki, Masashi Tsubuku, Toshinari Sasaki
  • Patent number: 11957040
    Abstract: The present disclosure relates to a display panel and a curved display device. The display panel includes a flexible substrate (100), including a first region (BB) and a second region (AA). The first region (BB) includes: a plurality of light emitting structures (110) with a first opening gap (200) formed between two adjacent light omitting structures (110); and a plurality of flexible bridging parts (120), with at least one flexible bridging part (120) connecting two adjacent light emitting structures (110).
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: April 9, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Long Han
  • Patent number: 11950460
    Abstract: A display device includes a pixel circuit disposed on a substrate, and a display element on the pixel circuit. The pixel circuit includes a first thin-film transistor comprising a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer, a second thin-film transistor comprising a second semiconductor layer and a second gate electrode insulated from the second semiconductor layer, the second semiconductor layer being connected to the first semiconductor layer and the first gate electrode, a first shielding layer overlapping the second semiconductor layer, and a second shielding layer overlapping the second semiconductor layer and stacked on the first shielding layer.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nayun Kwak, Chulkyu Kang, Daesuk Kim, Ilgoo Youn, Dongsun Lee, Soyoung Lee, Jieun Lee, Junyoung Jo, Minhee Choi
  • Patent number: 11947395
    Abstract: A foldable display device is provided by the present disclosure. The foldable display device includes a foldable display panel and a foldable cover. The foldable cover is adhered to the foldable display panel. The foldable cover includes an inner substrate, an outer substrate and a first adhesive. The first adhesive is disposed between the inner substrate and the outer substrate. A thickness of the first adhesive is ranged from 1 micrometer to 40 micrometers, and a ratio of the sum of the thickness of the first adhesive and a thickness of the inner substrate to a thickness of the foldable cover is greater than or equal to 0.5 and less than 1. In addition, the foldable display device further includes a second adhesive disposed between the foldable display panel and the foldable cover.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: April 2, 2024
    Assignee: InnoLux Corporation
    Inventors: Yuan-Lin Wu, Yu-Chia Huang, Kuan-Feng Lee
  • Patent number: 11950472
    Abstract: A flexible display apparatus includes a flexible substrate having an active area and an inactive area, the inactive area including a first area adjacent to the active area, a second area in which a pad is disposed, and a bending area disposed between the first area and the second area, wherein a plurality of wirings extending from the second area to the first area are disposed in the bending area, and at least one dummy pattern is in between the plurality of wirings.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: April 2, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SeokYoung Lee, JuWon Sun, JeongHwan Park
  • Patent number: 11927995
    Abstract: A display device includes a base substrate including a display area and a non-display area at a periphery of the display area; a first signal wiring on the non-display area of the base substrate and including a first wiring part and a second wiring part connected to the first wiring part; and a printed circuit board including a lead wiring on the first signal wiring. The second wiring part includes an open part passing through a surface of the second wiring part in a thickness direction, the second wiring part includes a long side extending along a first direction and a short side extending along a second direction intersecting the first direction, and a separation distance between the open part and an end of the short side of the second wiring part in the first direction is within about 0.4 times the long side of the second wiring part.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myong Soo Oh, Seung Ho Choi, Ji Hoon Hwang
  • Patent number: 11927784
    Abstract: Provided is an anti-dazzling device, including a first electrode, a second electrode and a dimming structure, wherein the first electrode and the second electrode are disposed opposite to each other, and the dimming structure is disposed between the first electrode and the second electrode and is configured to change a light transmittance of the anti-dazzling device under action of voltage. An OLED display device and a method for manufacturing an anti-dazzling device are also provided.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: March 12, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Caiyu Qu, Yanjun Hao, Huijuan Zhang, Xueyan Tian, Zheng Liu
  • Patent number: 11925084
    Abstract: A display panel can include a substrate, a light-emitting element including an emission region on the substrate, a reference voltage line adjacent to the light-emitting element, and a branch line connected to the reference voltage line to apply a reference voltage to light-emitting element. The light-emitting element can emit light on the emission region in a direction of the substrate. Further, the branch line can include a semiconductor layer, and the semiconductor layer of the branch line can overlap the emission region.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: March 5, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
  • Patent number: 11925095
    Abstract: The present application discloses a display panel and a display device. The display panel includes pixel areas and transmitting areas in a first display area. The display panel further includes a light-emitting unit layer including light-emitting units, an auxiliary layer, a first electrode layer covering the light-emitting unit layer and at least part of the auxiliary layer, and a transparent auxiliary electrode layer at least covering part of the auxiliary layer and electrically connected to the first electrode layer. A thickness of the first electrode layer on the auxiliary layer is less than a thickness of the first electrode layer on the light-emitting unit layer.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: March 5, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Meng Jin, Lei Lv, Tao Yuan, Jinchang Huang
  • Patent number: 11917878
    Abstract: A display device includes: a first active pattern on a light blocking pattern; a second active pattern at a same layer as that of the first active pattern; a first insulating pattern on the first active pattern; a second insulating pattern on the first active pattern, the second insulating pattern being spaced from the first insulating pattern, and having a first contact hole exposing the first active pattern; a first gate electrode on the first insulating pattern; a second gate electrode at a same layer as that of the first gate electrode, and overlapping with the second active pattern; a first etch stopper on the second insulating pattern, and having a second contact hole connected to the first contact hole; and a first electrode on the first etch stopper, the first electrode contacting the light blocking pattern and the first active pattern through the first and second contact holes.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: February 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngseok Baek, Sangjin Park, Chongsup Chang, Eui Kang Heo
  • Patent number: 11917860
    Abstract: A method of manufacturing a display panel includes fabricating a display portion on a glass substrate; forming a barrier layer on the glass substrate outside the display portion; forming an encapsulation film on the barrier layer and the display portion; and obtaining a panel area by removing the barrier layer and the encapsulation film outside a predetermined limited area on the glass substrate. The predetermined limited area corresponds to the display portion.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: February 27, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Lei Zhao, Gaozhen Wang
  • Patent number: 11908951
    Abstract: A thin film transistor (TFT) substrate comprises a TFT located on a substrate and including a gate electrode, a first semiconductor layer and a second semiconductor layer, wherein the first semiconductor layer, the gate electrode and the second semiconductor layer vertically stacked, and the first and second semiconductor layers are made of polycrystalline silicon, and wherein the first and second semiconductor layers are electrically connected to each other in series and respectively include first and second channel portions, and at least one of the first and second channel portions has a bent structure in a plan view.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: February 20, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Kum-Mi Oh
  • Patent number: 11899323
    Abstract: Embodiments of this application disclose a display panel. A primary pixel electrode is disposed inside a primary pixel region, and a sub-pixel electrode is disposed inside a sub-pixel region. First shading strips and second shading strips are intersected to form a plurality of primary frame bodies. One primary frame body correspondingly encloses a circumferential side of one pixel region. A third shading strip is disposed inside the primary frame body and correspondingly disposed between the primary pixel region and the sub-pixel region. The third shading strip and the primary frame body define two sub-frame bodies, and a channel for making the two sub-frame bodies communicate is disposed on the third shading strip.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: February 13, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chengcai Dong, Ding Li, Yi Liu
  • Patent number: 11893300
    Abstract: A tiled electronic device includes a plurality of display panels, and at least one of the display panels includes a flexible substrate, a pixel, and two signal wires. The flexible substrate has a display portion and a bent portion connected to the display portion. The pixel is disposed on the display portion. The signal wires are disposed on the flexible substrate, and electrically connected to the pixel. Each of the signal wires has a first segment disposed on the display portion, and a second segment disposed on the bent portion. The two first sections have a first pitch, and the two second sections have a second pitch. The first pitch is different than the second pitch.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: February 6, 2024
    Assignee: INNOLUX CORPORATION
    Inventors: Yi-Hua Hsu, Ker-Yih Kao
  • Patent number: 11889730
    Abstract: An organic light emitting diode display including: a substrate; a TFT on the substrate; a planarization layer on the TFT; a pixel electrode on the planarization layer, wherein the pixel electrode includes upper and lower layers including a transparent conductive oxide and an intermediate layer including silver; an etch stop layer on the pixel electrode, wherein an upper surface of the pixel electrode is exposed by the etch stop layer; a partition on the etch stop layer, wherein the upper surface of the pixel electrode is exposed by the partition; an organic emission layer on the upper surface of the pixel electrode where the upper surface of the pixel electrode is exposed by the etch stop layer and the partition; and a common electrode on the organic emission layer and the partition, wherein the etch stop layer covers an edge and a side surface of the pixel electrode.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyeong Su Ko, Joon Yong Park, Gyung Min Baek, Hyun Min Cho, Dae Won Choi
  • Patent number: 11871628
    Abstract: A conductive line for a display device may include a first layer including aluminum (Al) or an aluminum alloy, a second layer disposed on the first layer, the second layer including titanium nitride (TiNx), and a third layer disposed on the second layer, the third layer including titanium (Ti) and having a multilayer structure including a plurality of stacked sub-layers.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sukyoung Yang, Sangwoo Sohn, Dokeun Song, Dongmin Lee, Sangwon Shin, Hyuneok Shin, Kyeong Su Ko, Sang Gab Kim, Joongeol Lee
  • Patent number: 11871620
    Abstract: An OLED panel includes a plurality of light-emitting elements, that each light-emitting element includes a fence structure on a substrate and in an opening of a pixel definition layer. A trench is formed between the fence structure and the pixel definition layer. Charge transport layer is disconnected at the trench by a shadowing effect of the fence structure during thermal evaporation of the charge transport layer. Therefore, lateral current leakage between two adjacent light-emitting elements is minimized.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: January 9, 2024
    Assignee: SeeYa Optronics, Ltd.
    Inventor: Zhongshou Huang
  • Patent number: 11862102
    Abstract: In a display device, each of pixels includes a light emitting element and a pixel circuit which is connected to the light emitting element at a first node and drives the light emitting element in response to a corresponding driving scan signal among driving scan signals during a display period. The pixel circuit is connected to a corresponding readout line among readout lines at a second node. The sensing circuit senses a potential of the first node through the corresponding readout line during a blank period, and each of frames includes the display period and the blank period. At least two driving scan signals among the driving scan signals respectively include a plurality of rewriting periods, each of which is activated during the blank period corresponding thereto, and the rewriting periods of the driving scan signals have different durations from each other.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung-Taek Kim, Byeong-Doo Kang, Jae Woo Ryu, Joonsuk Baik, Sekeun Lee
  • Patent number: 11843005
    Abstract: A half via hole structure, a method for manufacturing the same, an array substrate, and a display panel are provided. The half via hole structure includes: a spacer layer arranged on an underlaying substrate; a passivation layer arranged on the spacer layer and provided with a first via hole, an orthographic projection of the first via hole on the underlaying substrate being within that of the spacer layer on the underlaying substrate; a first conductive layer arranged on the spacer layer and having a width smaller than a diameter of the first via hole; an insulating layer arranged between the spacer layer and the passivation layer and provided with a second via hole; and a second conductive layer arranged on the passivation layer and overlapped with the first conductive layer through the first via hole.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: December 12, 2023
    Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhiyong Ning, Zhonghao Huang, Chao Zhang, Zhaojun Wang, Hongru Zhou, Yutong Yang, Rui Wang, Xu Wu, Kunkun Gao
  • Patent number: 11844255
    Abstract: A display panel includes a substrate, a pad, an auxiliary electrode layer, a data line layer, a first electrode layer, a light emitting layer, and a second electrode layer. The substrate has a display area and a peripheral area. The pad is disposed on a side of the substrate and located in the peripheral area. The auxiliary electrode layer is disposed on the same side of the substrate as the pad; the data line layer is disposed on a same layer as the auxiliary electrode layer; the first electrode layer is disposed on a side of the auxiliary electrode layer facing away from the substrate; the light emitting layer is disposed on a side of the first electrode layer facing away from the substrate; and the second electrode layer is disposed on a side of the light emitting layer facing away from the substrate and connected to the auxiliary electrode layer.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 12, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd, BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Zhongyuan Wu, Yongqian Li, Zhidong Yuan, Meng Li, Can Yuan
  • Patent number: 11842681
    Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: December 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Sung Chul Kim, Dae Hyun Kim, Hye Yong Chu, Jong Hyuk Kang, Keun Kyu Song, Joo Yeol Lee, Bek Hyun Lim, Hyun Deok Im
  • Patent number: 11818926
    Abstract: A display device may include a substrate including a display area and a non-display area surrounding at least a portion of the display area, a first organic insulating layer disposed on the substrate in the non-display area, a first conductive layer disposed on the first organic insulating layer and including first discharge holes, a second organic insulating layer disposed on the first conductive layer, and a transparent conductive layer disposed on the second organic insulating layer and including second discharge holes that respectively overlap the first discharge holes.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwangsik Shin, Tae Wook Kim, Joohong Seo
  • Patent number: 11800758
    Abstract: A display device includes a fan-out portion including a first fan-out portion including first conductive lines, and a second fan-out portion including second conductive lines. The first conductive lines are apart from each other by a first pitch in a bending area of a substrate of the display device. The second conductive lines are apart from each other by a second pitch in the bending area.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junyoung Jo, Ilgoo Youn, Jieun Lee, Minhee Choi
  • Patent number: 11800747
    Abstract: A highly reliable display device. A first flexible substrate and a second flexible substrate overlap each other with a display element positioned therebetween. Side surfaces of at least one of the first substrate and the second substrate which overlap each other are covered with a high molecular material having a light-transmitting property. The high molecular material is more flexible than the first substrate and the second substrate.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: October 24, 2023
    Inventors: Yuichi Yanagisawa, Takuya Kawata
  • Patent number: 11785791
    Abstract: Devices, structures, materials and methods for carbon enabled vertical light emitting transistors (VLETs) and light emitting displays (LEDs) are provided. In particular, architectures for vertical polymer light emitting transistors (VPLETs) for active matrix organic light emitting displays (AMOLEDs) and AMOLEDs incorporating such VPLETs are described. Carbon electrodes (such as from graphene) alone or in combination with conjugated light emitting polymers (LEPs) and dielectric materials are utilized in forming organic light emitting transistors (OLETs). Combinations of thin films of ionic gels, LEDs, carbon electrodes and relevant substrates and gates are utilized to construct LETs, including heterojunction VOLETs.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: October 10, 2023
    Assignee: Atom H2O, LLC
    Inventor: Huaping Li
  • Patent number: 11785831
    Abstract: An opto-electronic device includes: a first electrode; an organic layer disposed over the first electrode; a nucleation promoting coating disposed over the organic layer; a nucleation inhibiting coating covering a first region of the opto-electronic device; and a conductive coating covering a second region of the opto-electronic device.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: October 10, 2023
    Assignee: OTI Lumionics Inc.
    Inventors: Yi-Lu Chang, Qi Wang, Michael Helander, Jacky Qiu, Zhibin Wang, Thomas Lever