In Array Having Structure For Use As Imager Or Display, Or With Transparent Electrode Patents (Class 257/59)
  • Patent number: 10734526
    Abstract: A display device includes: a flexible substrate; a semiconductor layer on the flexible substrate; a passivation layer on the semiconductor layer; an alignment member layer on the passivation, the alignment member layer including a first alignment member and a second alignment member in a same layer; a first insulation layer on the alignment member layer and the passivation layer; a gate electrode on the first insulation layer; a second insulation layer on the first insulation layer and the gate electrode; and a source electrode and a drain electrode on the second insulation layer and spaced apart from each other, wherein the first alignment member and the second alignment member are spaced apart from each other with the gate electrode therebetween.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Chan Lee, Kyoung Won Lee, Woong Hee Jeong, Yong Su Lee
  • Patent number: 10734601
    Abstract: One or more exemplary embodiments provide a display apparatus including a substrate; an encapsulation substrate facing the substrate; a display portion disposed between the substrate and the encapsulation substrate and including a display region; a metal layer disposed on the substrate and surrounding the display region; and a sealing portion formed to overlap the metal layer and coupling the substrate to the encapsulation substrate, wherein the metal layer includes a first region disposed outside of the display region at one side of the display region and a second region disposed outside of the display region at another side, which is opposite to the one side, of the display region, and the metal layer has a different light reflectivity in the first region and the second region.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jungho Choi
  • Patent number: 10732474
    Abstract: A display apparatus includes a pixel connected to a data line. The pixel includes a first pixel electrode and a second pixel electrode spaced apart from the first pixel electrode in an extension direction of the data line. The second pixel electrode includes first to fourth stem portions. The third and fourth stem portions are further from the first pixel electrode than the first and second stem portions in the extension direction. The first and second stem portions are connected to one another to form a “V”-shaped structure. The third and fourth stem portions are connected to one another to form an inverted “V”-shaped structure.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sehyun Lee, Haksun Chang, Byoungsun Na, Seungmin Lee, Jaeho Choi
  • Patent number: 10734416
    Abstract: A display substrate includes a base substrate with a display area and a light-blocking area around the display area, a switching element disposed on the base substrate that includes a gate electrode electrically connected to a gate line extending in a first direction, a source electrode electrically connected to a data line extending in a second direction crossing the first direction, and a drain electrode spaced apart from the source electrode, a color filter layer disposed on the switching element, a first electrode disposed on the color filter layer, an insulation layer disposed on the first electrode, a second electrode disposed on the insulation layer that includes a slit, a dummy pattern disposed on substantially the same layer as the second electrode that overlaps the data line, and a data light-blocking pattern directly disposed on the dummy pattern that has substantially the same width as the data line.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyangyul Kim, Dong-Ju Yang
  • Patent number: 10727254
    Abstract: A semiconductor device includes a oxide semiconductor layer, a gate electrode arranged above the oxide semiconductor layer, a gate insulation layer between the oxide semiconductor layer and the gate electrode, a first insulation layer arranged above the oxide semiconductor layer and arranged with a first aperture part, wiring including an aluminum layer arranged above the first insulation layer, the wiring being electrically connected to the oxide semiconductor layer via the first aperture part, a barrier layer including aluminum oxide above the first insulation layer, above the wiring and covering a side surface of the wiring, and an organic insulation layer arranged above the barrier layer.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: July 28, 2020
    Assignee: Japan Display Inc.
    Inventors: Toshinari Sasaki, Hajime Watakabe, Akihiro Hanada, Marina Shiokawa
  • Patent number: 10727210
    Abstract: This application describes a light emitting device, an assembly of light emitting devices, a display comprising assemblies of light emitting devices, and methods of fabricating same. The light emitting device comprises a transistor, an LED that at least partially overlies the transistor, a reflector layer disposed between the LED and transistor, and conductive wires that connect electrically the transistor to the LED. The assembly comprises a plurality of light emitting devices, and the display comprises a plurality of assemblies.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: July 28, 2020
    Assignee: Black Peak, LLC
    Inventor: Scott Brad Herner
  • Patent number: 10727445
    Abstract: An organic light emitting display panel and a display device are disclosed, which alleviate or eliminate the phenomena of colored edges and stripes, and reduce the effect of an over fuzzy pattern edge. The organic light emitting display panel includes a substrate, and pixels, which are formed on the substrate by an evaporation mask plate, and each of which is provided with an organic light emitting diode. The organic light emitting display panel further includes a TFE layer on the organic light emitting diode, a flexible blocking layer above the TFE layer, and at least a light diffuse layer between the flexible blocking layer and the organic light emitting diode.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: July 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chiehhsing Chung
  • Patent number: 10727280
    Abstract: A substrate, a display device including the substrate and a method of manufacturing the substrate are disclosed. The substrate includes: a base substrate; an overcoat layer on the base substrate; and a spacer on a surface of the overcoat layer facing away from the base substrate. The spacer is in direct contact with the surface of the overcoat layer facing away from the base substrate.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: July 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoying Wang, Zhen Song
  • Patent number: 10719157
    Abstract: A display panel and a display module are provided. The display panel includes a display area, a driving chip on a side of the display area, and a fan-out wiring area connecting the display area and the driving chip. The driving chip includes a first side and two second sides respectively connected perpendicularly to both ends of the first side. The fan-out wiring area includes a plurality of first fan-out traces connected to the first side and a plurality of second fan-out traces respectively connected to the two second sides. A part of signals in the driving chip can be transmitted from the second sides of the driving chip to the display area through the second fan-out traces. This increases a total width of the fan-out wiring area and a trace width in the fan-out wiring area, avoids a risk of wire breakage, and reduces an impedance of the traces.
    Type: Grant
    Filed: December 15, 2018
    Date of Patent: July 21, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yantao Lu
  • Patent number: 10714513
    Abstract: An array substrate and a manufacturing method thereof are disclosed. The manufacturing method includes forming, on a substrate, a first metal pattern layer, a first insulating layer, a second metal pattern layer, and a second insulating layer, successively; coating a photoresist on the second insulating layer; forming a photoresist pattern and an etching protection layer, in a first region of the array substrate, the photoresist pattern exposing a part of the top surface of the second insulating layer, and being coupled to the second insulating layer through the etching protection layer; and performing etching in the first region by using the photoresist pattern as a mask to remove the etching protection layer and at least part of the second insulating layer, without etching the first insulating layer, so as to expose a part of the second metal pattern layer and form a liquid crystal diversion groove.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: July 14, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Maomao Fang, Youngjin Song, Ziheng Yang, Shifei Shen, Dengtao Li, Shengrong Li, Yishen Wang
  • Patent number: 10712625
    Abstract: A method of manufacturing, with high mass productivity, liquid crystal display devices having highly reliable thin film transistors with excellent electric characteristics is provided. In a liquid crystal display device having an inverted staggered thin film transistor, the inverted staggered thin film transistor is formed as follows: a gate insulating film is formed over a gate electrode; a microcrystalline semiconductor film which functions as a channel formation region is formed over the gate insulating film; a buffer layer is formed over the microcrystalline semiconductor film; a pair of source and drain regions are formed over the buffer layer; and a pair of source and drain electrodes are formed in contact with the source and drain regions so as to expose a part of the source and drain regions.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: July 14, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yukie Suzuki, Hideaki Kuwabara, Hajime Kimura
  • Patent number: 10715716
    Abstract: An electronic device is provided. The electronic device includes at least one processor configured to obtain a plurality of first images for one or more objects as per a first frame rate using the camera based on a signal related to image recording and control the camera to perform focusing of a lens included in the camera on at least one of the one or more objects while obtaining the plurality of first images, provide a first portion of the plurality of first images as a preview through the display, control the camera to lock the focusing to prevent a change of the focusing on the at least one object, and identify a designated event related to obtaining the plurality of first images.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: July 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wooyong Lee, Kyungyul Seo, Jonghun Won, Changhoon Kang, Donghyun Kim, Sungeun Kim, Daehyun Sung
  • Patent number: 10714400
    Abstract: A method of forming a semiconductor structure comprises forming an array of vertical thin film transistors. Forming the array of vertical thin film transistors comprises forming a source region, forming a channel material comprising an oxide semiconductor material over the source region, exposing the channel material to a dry etchant comprising hydrogen bromide to pattern the channel material into channel regions of adjacent vertical thin film transistor structures, forming a gate dielectric material on sidewalls of the channel regions, forming a gate electrode material adjacent to the gate dielectric material, and forming a drain region over the channel regions. Related methods of forming semiconductor structures and an array of memory cells are also disclosed.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: July 14, 2020
    Assignee: Micron Technology, Inc.
    Inventor: Kevin J. Torek
  • Patent number: 10714622
    Abstract: A liquid crystal display device is provided in which the aperture ratio can be increased in a pixel including a thin film transistor in which an oxide semiconductor is used. In the liquid crystal display device, the thin film transistor including a gate electrode, a gate insulating layer and an oxide semiconductor layer which are provided so as to overlap with the gate electrode, and a source electrode and a drain electrode which overlap part of the oxide semiconductor layer is provided between a signal line and a pixel electrode which are provided in a pixel portion. The off-current of the thin film transistor is 1×10?13 A or less. A potential can be held only by a liquid crystal capacitor, without a capacitor which is parallel to a liquid crystal element, and a capacitor connected to the pixel electrode is not formed in the pixel portion.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: July 14, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryo Arasawa, Hideaki Shishido, Shunpei Yamazaki
  • Patent number: 10705229
    Abstract: An array substrate for a digital X-ray detector, a digital X-ray detector including the same, and a method for manufacturing the same are disclosed. The array substrate reduces a step difference of a PIN diode, removes a bent part from a lower part to reduce characteristic deterioration of the PIN diode, and increases the size of a formation region of the PIN diode to increase a fill factor. To this end, the array substrate allows a source region of an active layer included in a thin film transistor to be in surface contact with a lower electrode of the PIN diode, and disposes the lower electrode over a planarized source region or a base substrate, such that a step difference of the PIN diode is reduced and fill factor is improved.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: July 7, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Hyungil Na, Jungjune Kim, Hanseok Lee
  • Patent number: 10700104
    Abstract: A thin film transistor array substrate includes: a first conductive layer including first lines for transmitting data signals to the thin film transistors; a second conductive layer disposed on the first conductive layer and including second lines for supplying a driving voltage to the thin film transistors; a first insulating layer disposed between a semiconductor layer and the first conductive layer and including a first material layer; a second insulating layer disposed between the first conductive layer and the second conductive layer and including a second material layer having a dielectric constant greater than that of the first material layer; and a contact plug penetrating the second insulating layer and the first insulating layer, and connecting the second conductive layer to the semiconductor layer. A taper angle of the contact plug in the second material layer is greater than that of the contact plug in the first material layer.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jinwoo Lee, Waljun Kim, Kiwan Ahn, Yongjae Jang, Jaehyuk Jang, Yugwang Jeong
  • Patent number: 10700100
    Abstract: A display panel, an array substrate and a method of forming the same are disclosed. The array substrate includes a plurality of pixel regions, each of the pixel regions includes a pixel electrode and at least one oxide film transistor. An input terminal of the pixel electrode is connected with an output terminal of the oxide film transistor, a control terminal of the oxide film transistor is connected with a scan line, an end of the scan line is connected with a drive circuit, and the oxide film transistor further includes a gate insulation layer disposed on a gate thereof. A thickness of the gate insulation layer is inversely proportional to a length of the scan line, which is connected with the corresponding gate, from a connection point with the drive circuit to a connection point with the gate.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: June 30, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chen Chen
  • Patent number: 10700297
    Abstract: An organic thin film transistor includes a drain electrode, a semiconductor layer, a source electrode, a gate insulator, and a gate electrode. A horizontal portion and a vertical portion of the semiconductor layer are respectively located on a top surface and an end surface of the drain electrode, and the drain electrode protrudes from the horizontal portion in a first direction. The source electrode is disposed along a surface of the semiconductor layer. The source electrode has an extending portion that extends in a second direction opposite to the first direction. The gate insulator is disposed along a top surface and two side surfaces of a stacked structure defined by the drain electrode, the semiconductor layer, and the source electrode. The gate electrode is located on the gate insulator, and a portion of the gate insulator is between the stacked structure and the gate electrode.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: June 30, 2020
    Assignee: E Ink Holdings Inc.
    Inventors: Po-Wei Chen, Wen-Chung Tang, Yu-Lin Hsu
  • Patent number: 10690975
    Abstract: Provided are an active-matrix substrate, a method for manufacturing the same, and a display device, which render it possible to inhibit electrostatic discharge from occurring during the process of manufacturing a display panel and suppress manufacturing cost. An IGZO film, which is positioned between a silicon oxide film included in a gate insulating film and an etch-stop layer, is annealed at 200 to 350° C. after a passivation film for protecting a TFT is formed. As a result, the passivation film is annealed, and the IGZO film is changed from a conductor to a semiconductor. Consequently, it is not only possible to suppress the occurrence of ESD, but also possible to eliminate the need to sever an electrostatic discharge prevention circuit from a display panel, resulting in a reduced cost of manufacturing a display device.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: June 23, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Hirohiko Nishiki, Shinji Nakajima, Izumi Ishida, Shogo Murashige
  • Patent number: 10692948
    Abstract: An array substrate is provided, including a substrate, a driver thin film transistor and a switch thin film transistor disposed on the substrate, the driver thin film transistor and the switch thin film transistor both include a gate, a gate insulating layer, an active layer, a source, and a drain. A barrier layer is disposed between the gate and the gate insulating layer of the driver thin film transistor. A manufacturing method thereof includes forming a barrier layer on the gate of the driver thin film transistor. Compared with existing arts, forming a barrier layer between the gate and the gate insulating layer of the driver thin film transistor to prevent its active layer from water and active oxygen ions affections can improve the electrical property and reliability of the thin film transistor, and ensure the normal operation for driving the driver thin film transistor of organic light emitting diode.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: June 23, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Songshan Li
  • Patent number: 10692900
    Abstract: A method of manufacturing array substrate and a display panel, wherein, the method of manufacturing array substrate includes: depositing a gate electrode, a gate insulation layer, a semiconductor layer, a metal layer and a photoresist; forming an non-exposure area, a partial exposure area and a full exposure area through exposure and developing; then, performing a first ashing treatment and a wet etching to form a metal layer recess, and performing a second ashing treatment to etch off residual photoresist which remains in the metal layer recess after the first ashing treatment; and finally performing a dry etching to form a pattern of a channel region.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: June 23, 2020
    Assignee: HKC CORPORATION LIMITED
    Inventors: Tingting Fu, Bangtong Ge
  • Patent number: 10693014
    Abstract: A change in electrical characteristics is inhibited and reliability is improved in a semiconductor device using a transistor including an oxide semiconductor. One embodiment of a semiconductor device including a transistor includes a gate electrode, first and second insulating films over the gate electrode, an oxide semiconductor film over the second insulating film, and source and drain electrodes electrically connected to the oxide semiconductor film. A third insulating film is provided over the transistor and a fourth insulating film is provided over the third insulating film. The third insulating film includes oxygen. The fourth insulating film includes nitrogen. The amount of oxygen released from the third insulating film is 1×1019/cm3 or more by thermal desorption spectroscopy, which is estimated as oxygen molecules. The amount of oxygen molecules released from the fourth insulating film is less than 1×1019/cm3.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: June 23, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Junichi Koezuka, Masami Jintyou, Daisuke Kurosaki
  • Patent number: 10692895
    Abstract: The present disclosure discloses an array substrate, a display panel, and a display apparatus. The array substrate includes a first signal line and a second signal line as well as a first TFT and a second TFT electrically connected to the first signal line and the second signal line. The first TFT has a gate located on its first conductive layer, a source located on its second conductive layer which is connected to the first conductive layer through a first via hole, and a drain located on a fourth conductive layer of the second TFT. The second TFT has a gate located on its third conductive layer, a drain located on the second conductive layer of the first TFT, and a source located on its fourth conductive layer which is connected to the third conductive layer through a second via hole.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: June 23, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pan Li, Hongfei Cheng, Jianbo Xian, Yong Qiao
  • Patent number: 10686025
    Abstract: An organic light emitting display device that includes a substrate that may be flexible, and an insulation layer arranged on the substrate. The insulation layer is perforated by openings to facilitate bending of the display device. A plurality of the connection lines extend from the image producing display area to a peripheral area of the display device to allow for connection to an external device. Each of the openings includes one of the connection lines to prevent shorting together of the connection hues during the patterning step used to pattern the connection lines. In one embodiment, the each of the connection lines extends through the openings and across the sidewalls of the openings. In another embodiment, the connection lines are interposed between two adjacent openings.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: June 16, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Hun Oh
  • Patent number: 10686029
    Abstract: A method for repairing a disconnecting signal line of a thin film transistor (TFT) array substrate including: providing a TFT array substrate with a disconnecting signal line; defining a through hole at an edge of an overlapping area of the repairing line and the disconnecting signal line; printing ink in the through hole, the ink completely covers the through hole, the ink contains a plurality of metal nanoparticles; and curing the ink to make the repairing line and the disconnecting signal line to be connected.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: June 16, 2020
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zhaosong Liu
  • Patent number: 10684713
    Abstract: A display device includes: a substrate; a touch electrode disposed on the substrate; a routing wiring disposed on the touch electrode; a light blocking layer disposed on the touch electrode; a semiconductor layer disposed on the light blocking layer; a source electrode and a drain electrode spaced apart from each other and disposed on the semiconductor layer; and a gate electrode disposed on the source electrode and the drain electrode.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: June 16, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeyoung Ryu, Yujin Kim, Soyeon Park, Yousik Shin
  • Patent number: 10677935
    Abstract: An x-ray detector, system and related method are described wherein a light redirection layer is provided and used to redirect light, converted from x-rays by a scintillator, to at least one pixel. The light redirection layer comprises at least one light redirecting cell comprising a channel and a light reflecting region, wherein the channel is arranged relative to the at least one pixel to direct the incoming light away from a non-light sensitive part of the at least one pixel and toward the light sensitive part of the at least one pixel.
    Type: Grant
    Filed: December 31, 2016
    Date of Patent: June 9, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Nicholas Ryan Konkle, Marc Schaepkens, German Guillermo Vera, Biju Jacob
  • Patent number: 10678107
    Abstract: A method of manufacturing, with high mass productivity, liquid crystal display devices having highly reliable thin film transistors with excellent electric characteristics is provided. In a liquid crystal display device having an inverted staggered thin film transistor, the inverted staggered thin film transistor is formed as follows: a gate insulating film is formed over a gate electrode; a microcrystalline semiconductor film which functions as a channel formation region is formed over the gate insulating film; a buffer layer is formed over the microcrystalline semiconductor film; a pair of source and drain regions are formed over the buffer layer; and a pair of source and drain electrodes are formed in contact with the source and drain regions so as to expose a part of the source and drain regions.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: June 9, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yukie Suzuki, Hideaki Kuwabara, Hajime Kimura
  • Patent number: 10672339
    Abstract: Disclosed is an organic light-emitting display device capable of realizing a high resolution. The organic light-emitting display device includes a storage capacitor disposed on a substrate, which overlaps at least one transistor, with at least one buffer layer interposed therebetween, the at least one buffer layer disposed on the storage capacitor, and which includes a lower storage electrode and an upper storage electrode overlapping the lower storage electrode, with a storage buffer layer interposed therebetween, and a light-emitting diode connected to the transistor. One of the lower storage electrode and the upper storage electrode is formed to have the same line width and the same shape as the storage buffer layer, thereby ensuring a sufficient process margin and consequently realizing a high resolution and improving production yield.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: June 2, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Sun Beak, Jeong-Oh Kim, Jong-Won Lee, Dong-Kyu Lee
  • Patent number: 10671830
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a substrate; a plurality of light-emitting units, which are in the display area of the substrate and include emission colors: a first color, a second color and a third color, where a light transmittance of the first color and a light transmittance of the second color are both greater than a light transmittance of the third color; and a plurality of first fingerprint recognition units and a plurality of second fingerprint recognition units, which are in the display area of the substrate. Each light-emitting unit serves as a light source of each fingerprint recognition unit, and each first fingerprint recognition unit and each second fingerprint recognition unit have different configuration parameters so as to detect a same electric signal value with respect to a reflector.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: June 2, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Qing Zhang, Lihua Wang, Liang Xie, Lingxiao Du, Hong Ding, Huiping Chai, Kang Yang, Qijun Yao
  • Patent number: 10672802
    Abstract: A display device includes a substrate including a first area, a second area, and a bent area therebetween, an inner wiring disposed in the first area, an outer wiring disposed in the second area, an inter-insulating layer which covers the inner wiring and the outer wiring and in which an opening corresponding to the bent area is defined, a first organic insulating layer, where a portion thereof is located in the opening, a connection wiring disposed on the first organic insulating layer and connecting the inner wiring to the outer wiring, a conductive layer disposed between the inter-insulating layer and the first organic insulating layer and electrically connected to one of the inner wiring and the outer wiring, and an inorganic protective layer which covers the conductive layer and in which an opening corresponding to the bent area is defined.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongho Lee, Yanghee Kim, Wonho Kim, Soyeon Park, Keunsoo Lee, Hyungchul Lim
  • Patent number: 10672324
    Abstract: An electroluminescent display device includes sub-pixels connected to gate lines, and a gate driver configured to supply a scan signal to at least one of the gate lines, and including stages. One of the stages includes a QB-node regulation unit configured to charge a QB-node and a QP-node to turn-on voltage by using a first gate clock signal and a second gate clock signal, and a pull-down unit configured to output a turn-off voltage in response to a voltage of the QP-node. The QB-node regulation unit includes a QP-node control part configured to invert a phase of a voltage of a Q1-node and apply the voltage of the inverted phase to the QP-node, and a QB-node control part configured to bootstrap the QP-node. Accordingly, by employing the gate driver including the QB-node regulation unit that provides a stable voltage to the QB-node and the QP-node, the reliability of the gate driver can be improved, and the bezel of the electroluminescence display device can be reduced.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: June 2, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: ChungSik Kong, MiHee Shin, GyuTae Kang
  • Patent number: 10672805
    Abstract: A method for making a micro LED display panel includes: providing a transferring plate and a growth substrate with at least one micro LED; transferring the micro LED from the growth substrate to the transfer plate; providing a TFT substrate including a driving circuit including TFTs; the TFT substrate provided with a conductive connecting element, an insulating layer covering the conductive connecting element, and a contact electrode on a side of the insulating layer; and powering the driving circuit to apply a reference voltage to the contact electrode, and a voltage different from the reference voltage is applied to the conductive connecting element, and making the contact electrode on the TFT substrate contact with the first electrode of the micro LED; the micro LED is detached from the transferring plate onto the TFT substrate; and bonding the conductive connecting element to the micro LED. The making method is simple.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: June 2, 2020
    Assignee: Century Micro Display Technology (Shenzhen) Co., Ltd.
    Inventor: Kuo-Sheng Lee
  • Patent number: 10672798
    Abstract: A method of manufacturing an active array substrate, comprising: providing a substrate; forming gate electrodes on the substrate; forming a gate insulating layer, a semiconductor layer and an Ohmic contact layer on the transparent substrate and the gate electrodes in order; forming source electrodes and drain electrodes on the Ohmic contact layer; forming a protection layer on the source electrodes and the drain electrodes; and forming a pixel electrode layer on the protection layer, wherein the pixel electrode layer is electrically connected to the drain electrode. The gate insulating layer comprises nanometer porous silicon and nanometer particles, and a dielectric constant of the nanometer particle is greater than a dielectric constant of the nanometer porous silicon.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: June 2, 2020
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: En-Tsung Cho
  • Patent number: 10665651
    Abstract: An organic light emitting diode display includes a plurality of first signal lines, a first insulating layer covering the first signal lines, a plurality of second signal lines on the first insulating layer and crossing the first signal lines, and a plurality of pixels connected to the first signal lines and the second signal lines. A groove in the first insulating layer is between adjacent ones of the pixels and a filling material in the groove.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: May 26, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Sung Kim, Thanh Tien Nguyen, Ki Ju Im
  • Patent number: 10664094
    Abstract: According to one embodiment, a display device includes a display unit including electrodes, a touch sensor configured to supply drive signals to the electrodes and receive signals from the electrodes, and a switch circuit group including transistors connected between the touch sensor and the electrodes. The transistors include a first transistor connected to a first electrode via a line of a first length and a second transistor connected to a second electrode via a line of a second length longer than the first length. The channel width of the first transistor is smaller than a channel width of the second transistor.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: May 26, 2020
    Assignee: Japan Display Inc.
    Inventor: Gen Koide
  • Patent number: 10665764
    Abstract: A micro lighting device includes a substrate, an isolation layer formed on the substrate, a side-emission micro device, and a switching device. The side-emission micro device includes a first electrode, a second electrode and an emission surface. The side-emission micro device is disposed in a way so that the emission surface is perpendicular or parallel to the surface of the substrate. The switching device includes a first end, a second end coupled to the first electrode, and a control end.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: May 26, 2020
    Assignee: ACER INCORPORATED
    Inventors: Jui-Chieh Hsiang, Chih-Chiang Chen
  • Patent number: 10665822
    Abstract: A display screen, a manufacturing method thereof, and a display device are disclosed. The display screen includes a base substrate, a thin film transistor located on the base substrate, the thin film transistor including a metal layer, at least one of a light-absorbing material layer or a scattering structure disposed between the base substrate and the metal layer in a direction perpendicular to the base substrate.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: May 26, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guanghui Liu, Dongfang Wang
  • Patent number: 10653372
    Abstract: A radiation imaging system includes pixel array, scanning circuit to scan rows of the pixel array, and readout circuit to read signals from the pixel array. Each pixel includes converter to generate electric signal corresponding to radiation and transistor connected to the converter. The readout circuit reads signal from the converter via the transistor. The system performs image capturing modes and conditioning mode of conditioning a threshold voltage of the transistor. In the conditioning mode, the scanning circuit supplies, to a gate of the transistor, an OFF voltage different from OFF voltages in the image capturing modes. The scanning circuit scans the rows in units of at least one row in the image capturing modes, and scans the rows in units of at least two rows in the conditioning mode.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: May 19, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Wayama, Minoru Watanabe, Keigo Yokoyama, Satoru Sawada, Kazuya Furumoto
  • Patent number: 10658394
    Abstract: An array substrate and a manufacturing method thereof, a display panel and a display device are provided. The array substrate includes: a base substrate; a first electrode layer including a plurality of pixel electrode pairs arranged in an array, each of the plurality of pixel electrode pairs (1110; 2100) including a first pixel electrode and a second pixel electrode adjacent to the first pixel electrode in a row direction; and a first common portion, an orthographic projection of the first common portion on the base substrate being at least partially overlapped with an orthographic projection of at least one of adjacent first pixel electrode or second pixel electrode of two adjacent pixel electrode pairs in the row direction on the base substrate.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 19, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pengcheng Zang, Yuanjie Xu
  • Patent number: 10655217
    Abstract: A method of forming a passivation layer on a substrate includes providing a substrate in a processing chamber. The substrate includes a metallic surface which is a copper, tin or silver surface, or an alloyed surface of one or more of copper, tin or silver. The method further includes depositing at least one organic layer onto the metallic surface by vapour deposition, the organic layer formed from an organic precursor. The organic precursor includes a first functional group including at least one of oxygen, nitrogen, phosphorus, sulphur, selenium, tellurium, or silicon, and a second functional group selected from hydroxyl (—OH) or carboxyl (—COOH). The first functional group is adsorbed onto the metallic surface. The method further includes depositing at least one inorganic layer onto the organic layer by vapour deposition, wherein the second functional group acts as an attachment site for the inorganic layer.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: May 19, 2020
    Assignee: SPTS Technologies Limited
    Inventors: Michael Grimes, Yuyuan Lin
  • Patent number: 10658449
    Abstract: A package substrate includes a base substrate having a light-transmitting region and a non-light-transmitting region, wherein metal electrodes and a spacer located on at least a part of a surface of the metal electrodes away from the base substrate are provided on the base substrate, an orthogonal projection of the spacer on the base substrate is within an orthogonal projection of the metal electrodes on the base substrate, and an orthogonal projection of the metal electrode on the base substrate is within the non-light-transmitting region of the base substrate, and an interval exists between the spacer and the metal electrodes. A method of manufacturing the package substrate is used for manufacturing the above package substrate. The package substrate provided by the present disclosure is used in a display device.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: May 19, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoying Wang, Zhen Song
  • Patent number: 10658439
    Abstract: Disclosed is a display device possessing: a substrate having a display region and a peripheral region surrounding the display region; a pixel over the display region; a passivation film over the pixel; a resin layer over the passivation film; a first dam over the peripheral region and surrounding the display region; and a second dam surrounding the first dam. The passivation film includes; a first layer containing an inorganic compound; a second layer over the first layer, the second layer containing an organic compound; and a third layer over the second layer, the third layer containing an inorganic compound. The second layer is selectively arranged in a region surrounded by the first dam. The resin layer is selectively arranged in a region surrounded by the second dam.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: May 19, 2020
    Assignee: Japan Display Inc.
    Inventor: Jun Hanari
  • Patent number: 10658399
    Abstract: A transistor includes a semiconductor layer comprising a channel portion, a first contact portion and a second contact portion, a gate electrode facing the floating gate, and a floating gate disposed between the semiconductor layer and the gate electrode, the floating gate being insulated from the semiconductor layer and the gate electrode. The floating gate comprises an oxide semiconductor.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: May 19, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jihun Lim, Jaybum Kim, Joonseok Park, Kyoungseok Son, Junhyung Lim
  • Patent number: 10649145
    Abstract: Light detection devices and corresponding methods are provided. The devices include a reaction structure to contain a reaction solution and at least one reaction site that generates light emissions in response to incident excitation light after treatment with the reaction solution. The devices also include a plurality of light sensors and device circuitry. The devices further include a plurality of light guides extending toward at least one corresponding light sensor from input regions that receive the excitation light and the light emissions from at least one corresponding reaction recess. The light guides comprise a first filter region that filters the excitation light and permits the light emissions of a first wavelength to pass to the at least one corresponding light sensor, and a second filter region that filters the excitation light and the permits light emissions of a second wavelength to pass to the at least one corresponding light sensor.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: May 12, 2020
    Assignee: ILLUMINA, INC.
    Inventor: Xiuyu Cai
  • Patent number: 10649292
    Abstract: Provided is a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes a substrate and a thin film transistor formed on the substrate, wherein a source and a drain of the thin film transistor have complementary V-shaped structures, so as to form a V-shaped space region between the source and the drain, such that when the thin film transistor is in operation, a V-shaped conductive channel is formed in a semiconductor layer of the thin film transistor. An activation current of the thin film transistor can be increased.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: May 12, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yue Wu
  • Patent number: 10642107
    Abstract: A display substrate, a method of manufacturing a display substrate and a display device are provided. The display substrate includes a display area and a non-display area. The display substrate includes a base substrate, and a spacer wall on the base substrate and in the non-display area. The spacer wall includes a plurality of first spacers. The spacer wall extends in a first direction, each of the plurality of first spacers extends in a second direction, and the first direction intersects the second direction.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: May 5, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tingwei Chen, Weihong Jiao, Qian Zhang, Yangqing Wang, Duo Zhang
  • Patent number: 10644120
    Abstract: A thin film transistor is disclosed, comprising a first, second and third electrode. The first and second electrodes are arranged in a same layer and insulated from each other. The third electrode is arranged below and insulated from the first and second electrodes. The first electrode comprises at least one first conducting part. The second electrode comprises second conducting parts, each of which is arranged adjacent with each first conducting part. The third electrode is provided with an opening part at least partially overlapping with the first or second conducting part. If the first or second conducting part is subject to a channel defect due to short circuit, the first or second conducting part is cut off at an overlapping position with the opening part, to repair the channel defect without affecting the third electrode. A GOA circuit, a display substrate and a display device are further disclosed.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: May 5, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei He, Xinjie Zhang, Wenlong Xiao, Siquan Wu
  • Patent number: 10644035
    Abstract: An array substrate includes a pixel circuit and a light-emitting diode. The pixel circuit includes a driving transistor including a first active medium made of polysilicon, and a switching transistor including a second active medium made of polysilicon. The first active medium has a first grain size. The second active medium has a second grain size larger than the first grain size. The light-emitting diode is coupled to the pixel circuit.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: May 5, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Beijing BOE Display Technology Co., Ltd.
    Inventors: Wenqing Xu, Mingxuan Liu, Jing Wang, Xiaoxiang Zhang, Huibin Guo
  • Patent number: 10642106
    Abstract: A column for defining the interval between a TFT substrate and an opposed substrate is formed at a crossing point between a drain line and a scanning line. At the crossing point where the column is formed, the drain line is formed to have a wider width to prevent light leakage. Further, at the crossing point where the column is formed, the scanning line is formed to have a narrower width to prevent increase of capacitance between the drain line and the scanning line. The column is formed at a crossing point corresponding to a specific color, e.g., a blue pixel B, so that a difference in transmittance and in characteristic of thin film transistors due to formation of the column is initially compensated.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: May 5, 2020
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takahiro Ochiai, Tohru Sasaki, Tetsuya Nagata