Patents Examined by Nathanael R Briggs
  • Patent number: 10796647
    Abstract: An object is to provide a display device with low power consumption and good display quality. A first substrate is provided with a terminal portion, a pixel electrode, a switching transistor including an oxide semiconductor, a first optical sensor having high optical sensitivity to visible light, and a second optical sensor having optical sensitivity to infrared light and having lower optical sensitivity to visible light than the first optical sensor. The illuminance or color temperature around a display device is detected using the first and second optical sensors, and the luminance or color tone of a display image is adjusted. A second substrate is provided so as to face the first substrate, and is provided with a counter electrode. In a period for displaying a still image, the switching transistor is turned off so that the counter electrode is brought into a floating state.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: October 6, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Shunpei Yamazaki
  • Patent number: 10795209
    Abstract: A liquid crystal phase shifter, a method for producing the same and a method for shifting phase of electromagnetic wave are provided. The liquid crystal phase shifter includes: a first base substrate and a second base substrate opposed to each other; a first liquid crystal modulation portion and a second liquid crystal modulation portion between the first base substrate and the second base substrate; a first electromagnetic wave transport layer between the first base substrate and the first liquid crystal modulation portion; and a second electromagnetic wave transport layer between the first base substrate and the second liquid crystal modulation portion. The first liquid crystal modulation portion is configured to modulate a phase of electromagnetic waves in a first frequency range and the second liquid crystal modulation portion is configured to modulate a phase of electromagnetic waves in a second frequency range different from the first frequency range.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: October 6, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE SPECIAL DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jingming Wang
  • Patent number: 10795413
    Abstract: An assembly for an electronic display includes a digital side assembly and an access panel mounted to a frame. The digital side assembly includes a housing, a display layer located behind a cover panel, a front channel between the display layer and the cover panel, and a side assembly open loop channel behind the display layer. A cooling channel is located between the frame and the rear surfaces of the access panel and the digital side assembly. An open loop pathway for ambient air includes the side assembly open loop channel and an access panel open loop channel. A closed loop pathway for circulating gas includes the cooling channel and the front channel.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: October 6, 2020
    Assignee: Manufacturing Resources International, Inc.
    Inventor: William Dunn
  • Patent number: 10795198
    Abstract: The present disclosure provides a feedback circuit for monitoring a heating loop, comprising a sample input module, a voltage conversion module and a main control chip. The sample input module has an input terminal coupled to the heating loop and configured to collect a voltage signal from the heating loop, and an output terminal electrically coupled to an input terminal of the voltage conversion module. The voltage conversion module has an output terminal coupled to an input terminal of the main control chip, and is configured to convert the voltage signal received from the sample input module into a voltage signal that the main control chip can withstand. The main control chip is configured to send a sample control signal to the heating loop, and calculate and output magnitude of the voltage signal inputted to the sample input module according to the voltage signal outputted by the voltage conversion module.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: October 6, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianfu Liu, Qingyong Li, Junbo Hu
  • Patent number: 10788720
    Abstract: According to one embodiment, a display device includes a display panel including a reflective layer, a liquid crystal element opposing the display panel and a controller that controls the liquid crystal element. The liquid crystal element includes a first substrate, a second substrate, a liquid crystal layer, a first control electrode, a second control electrode, a third control electrode, and a fourth control electrode. The controller applies a first voltage for forming a first lens of a first shape, to the first control electrode and the second control electrode, and a second voltage for forming a second lens of a second shape, to the third control electrode and the fourth control electrode. The first shape is different from the second shape.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: September 29, 2020
    Assignee: Japan Display Inc.
    Inventors: Tatsuya Yata, Takayuki Nakanishi, Takeo Koito
  • Patent number: 10782558
    Abstract: A display device according to one aspect of the present invention includes a first substrate including at least a pixel electrode and a pixel switching circuit portion, a second substrate arranged to face the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, and configured to modulate light, the light being propagated while reflected between the first substrate and the second substrate, and a reflecting layer arranged over a liquid crystal layer side of the pixel switching circuit portion, partially superimposed with the pixel switching circuit portion, and electrically coupled with the pixel electrode, the reflecting layer having higher reflectance of the light than any members included in the pixel switching circuit portion.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: September 22, 2020
    Assignee: Japan Display Inc.
    Inventors: Manabu Mizuno, Kentaro Okuyama, Hiroshi Inamura, Hideki Kaneko, Hiroki Sugiyama
  • Patent number: 10782550
    Abstract: In a liquid crystal display device, a display panel includes a display region in which an image is to foe displayed, and a non-display region formed into a frame shape surrounding the display region. The non-display region includes a first region in which the gate driver is arranged, and a second region in which the source driver is arranged. The non-display region has a non-light transmitting layer formed therein, which is configured to restrict transmission of light. The non-light transmitting layer has a first slit formed therein, which extends through the first region and the second region and passes through the non-light transmitting layer.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: September 22, 2020
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Hiroshi Ibaraki, Tomohiro Murakoso
  • Patent number: 10782573
    Abstract: A display device includes a substrate, conductive pads arranged on the substrate over a plurality of rows, and a drive circuit chip including bumps arranged over a plurality of rows to be electrically connected with the conductive pads, and the conductive pads arranged in a same row are arranged in parallel, and the bumps arranged in a same row are arranged in a zigzag form so as to be partially shifted.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: September 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Han Ho Park, Dae Geun Lee, Su Jeong Kim, Sang Won Yeo, Kyung Mok Lee, Wu Hyen Jung
  • Patent number: 10768476
    Abstract: A display device is provided. The display device includes a display panel including a light-exiting side, and a birefringent structure disposed at the light-exiting side of the display panel. A plane of the birefringent structure is parallel to a plane of the display panel. When the display device is in a display stage, the birefringent structure and the display panel are configured with a relative rotation at a plane parallel to the plane of the birefringent structure.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 8, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yingteng Zhai, Jialing Li
  • Patent number: 10768457
    Abstract: A method for manufacturing a display screen, including: preparing a first substrate and reserving at least one first hole region on the first substrate; preparing a second substrate and reserving at least one second hole region on the second substrate; adding liquid crystals onto the first substrate or the second substrate and aligning the first substrate with the second substrate such that the first hole region is aligned with the second hole region; and forming a hole penetrating the first substrate and the second substrate through the first hole region and the second hole region. The liquid crystals do not occupy the first hole region and the second hole region.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: September 8, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xiang Feng, Zhaokun Yang, Qiang Zhang, Sha Liu, Xiao Sun, Yanqing Chen, Yun Qiu, Ruizhi Yang, Tao Wang
  • Patent number: 10761245
    Abstract: A liquid crystal element (100) refracts and outputs light. The liquid crystal element (100) includes a first electrode (1), a second electrode (2), an insulating layer (21) that is an electric insulator, a resistance layer (22), a liquid crystal layer (23) including liquid crystal, and a third electrode (3). The insulating layer (21) is disposed between each location of the first and second electrodes (1) and (2) and the resistance layer (22) to insulate the first and second electrodes (1) and (2) from the resistance layer (22). The resistance layer (22) has an electrical resistivity higher than that of the first electrode (1) and lower than that of the insulating layer (21). The resistance layer (22) and the liquid crystal layer (23) are disposed between the insulating layer (21) and the third electrode (3). The resistance layer (22) is disposed between the insulating layer (21) and the liquid crystal layer (23).
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: September 1, 2020
    Assignee: OSAKA UNIVERSITY
    Inventors: Giichi Shibuya, Hiroyuki Yoshida, Masanori Ozaki
  • Patent number: 10761382
    Abstract: A pixel structure including a substrate, a signal line, a plurality of pixel units and a light blocking pattern layer is provided. The signal line is disposed on the substrate and has opposing first and second sides. Two adjacent pixel units are disposed respectively on the first side and the second side of the signal line. Each pixel units includes an active device, a common electrode, an insulating layer, and a pixel electrode. The insulating layer is located on the common electrode. The pixel electrode is located on the insulating layer and is electrically connected to the active device. The pixel electrode includes an edge strip electrode and a plurality of extension electrodes. The extension electrodes respectively extend from the edge strip electrode toward the signal line. The light blocking pattern layer is located between two adjacent pixel units, and the light blocking pattern layer and the signal line overlap with each other.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 1, 2020
    Assignee: Au Optronics Corporation
    Inventors: Chan-Yuen Chang, Chun-Ru Huang, Chao-Wei Yeh
  • Patent number: 10761391
    Abstract: A device includes a number of grating stages having a liquid crystal layer disposed between at least two substrates, where at least one is coated with a photo-alignment layer and transparent electrodes. Each grating stage may be switchably responsive to a voltage, with grating periods of each grating stage selected such that, when the voltage is applied to a grating stage and a laser beam is passed therethrough, optical energy from the laser beam in plus and minus first orders is deflected toward sides of the grating stage and optical energy from a zero order of the laser beam is allowed to pass through the grating stage. A polarization state of the laser beam may be maintained from an input through an output. Each grating stage may include a thickness selected to achromatize the laser beam through the grating stages.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: September 1, 2020
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Joshua Lentz
  • Patent number: 10761380
    Abstract: A reliability of seal portion of a liquid crystal display device can be improved by the following structure. A liquid crystal display device includes: a TFT substrate which includes a display region and a terminal part, and has an inorganic insulating film formed on an organic passivation film and an alignment film formed over the inorganic insulating film; a counter substrate, the TFT substrate and the counter substrate bonded together by a sealing material formed at a seal part surrounding the display region; and a liquid crystal sealed inside. At the seal part, a transparent conductive oxide film is formed between the inorganic insulating film and the alignment film. The transparent conductive oxide film exists inside an edge of the TFT substrate and hence, the edge of the TFT substrate is free of the transparent conductive oxide film.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: September 1, 2020
    Assignee: Japan Display Inc.
    Inventors: Takenori Hirota, Yasuhiro Kanaya, Hidehiro Sonoda, Toshiki Kaneko
  • Patent number: 10761392
    Abstract: We describe a multimode reconfigurable optical spatial mode multiplexing system having first and second first and second input beams and a beam combiner to combine these into an optical output. At least one of the paths comprises a polarisation-independent reconfigurable phase modulator to impose a controllable phase profile on an input beam in an input beam phase modulating optical path, to controllably convert a spatial mode order of the input beam from a lower to a higher order spatial mode. The system also has a control input to control the phase modulator to configure the phase profile for the mode conversion. The input beams are combined into a multiple spatial mode combined beam output independent of a polarisation of the input beams. The number of spatial modes of the combined beam can be more than a number of spatial modes in either of the first and second input beams separately.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: September 1, 2020
    Assignee: Cambridge Enterprise Limited
    Inventors: Daping Chu, Haining Yang
  • Patent number: 10747071
    Abstract: The present invention realizes a bright image display by enhancing a numerical aperture of pixels. At least a portion of a pixel electrode is overlapped to a thin film transistor by way of a first insulation film, the pixel electrode is connected to an output electrode of the thin film transistor via a contact hole which is formed in the first insulation film, the counter electrode is arranged above the pixel electrode by way of a second insulation film in a state that the counter electrode is overlapped to the pixel electrode, the counter electrode is formed at a position avoiding the contact hole formed in the first insulation film as viewed in a plan view, and at least a portion of the counter electrode is overlapped to the thin film transistor.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: August 18, 2020
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takahiro Ochiai, Tohru Sasaki, Hirotaka Imayama, Masateru Morimoto
  • Patent number: 10747059
    Abstract: A display apparatus including a first substrate, a second substrate and a display medium is provided. The display medium is disposed between the first substrate and the second substrate. The first substrate includes a first data line, a second data line and a pixel. The first data line and the second data line respectively disposed over a first base plate. The pixel includes a pixel electrode layer and a common electrode layer. The pixel electrode layer is electrically connected to one of the first data line and the second data line. The common electrode layer is formed over the pixel electrode layer and includes a first slit nearest to the first data line. The first slit has a first end and a second end. The first slit is bent at the first end of the first slit but is not bent at the second end of the first slit.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: August 18, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Shun-Chen Yang, Yu-Lun Hsu, Ying-Tong Lin
  • Patent number: 10747083
    Abstract: A liquid crystal lens, a lens assembly, an optical apparatus, and a display device are provided. The liquid crystal lens includes a first transparent substrate; a second transparent substrate, provided opposite to the first transparent substrate; a liquid crystal layer, provided between the first and second transparent substrates; and at least one first electrode and at least one second electrode, both of which being provided at a side of one of the first and second transparent substrates proximal to the liquid crystal layer. The at least one first electrode and the at least one second electrode are alternately arranged to be insulated from each other and have an interval therebetween.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: August 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochen Niu, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Dacheng Zhang
  • Patent number: 10747064
    Abstract: A liquid crystal display (LCD) device is disclosed, which comprises a first substrate and a second substrate; a pixel electrode provided in each of the plurality of pixels on the first substrate; a common electrode provided on the first substrate; an auxiliary line connected to the common electrode; a column spacer provided between the first substrate and the second substrate; and moving stopper walls provided on the first substrate to restrict a moving range of the column spacer and spaced apart from the auxiliary line. As a moving range of the column spacer may be restricted by the moving stopper walls, an alignment direction of a liquid crystal layer is not changed by movement of the column spacer, whereby a spot defect of the LCD device may be avoided.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: August 18, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: HyunGoog Cho, KyungTae Park, Donghoon Ha
  • Patent number: 10732447
    Abstract: The purpose of the present invention is to achieve further miniaturization and performance improvement in a pressure detection-type touch panel. The touch panel (1) includes a TP upper side electrode layer (19) located above a CF substrate (18); and a TP lower side electrode layer (16) located below the CF substrate (18) and above a liquid crystal layer (14); an ITO layer (13) located above the TFT substrate (11) and below the liquid crystal layer (14); and a piezoelectric element layer (15) located between the TP lower side electrode layer (16) and the ITO layer (13).
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: August 4, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takenori Maruyama, Jean Mugiraneza, Yasuhiro Sugita, Hidetsugu Kawamori